{"id":9547,"date":"2026-01-14T17:33:09","date_gmt":"2026-01-14T10:33:09","guid":{"rendered":"https:\/\/biogroupvietnam.com\/dich-vu\/\/"},"modified":"2026-01-14T17:38:52","modified_gmt":"2026-01-14T10:38:52","slug":"quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc","status":"publish","type":"service","link":"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn quy tr\u00ecnh n\u1ea1p nit\u01a1 l\u1ecfng t\u1eeb b\u00ecnh ch\u1ee9a LN\u2082 sang b\u00ecnh l\u01b0u tr\u1eef m\u1eabu sinh h\u1ecdc"},"content":{"rendered":"\n<p>Quy tr\u00ecnh n\u1ea1p nit\u01a1 l\u1ecfng (LN\u2082) t\u1eeb b\u00ecnh ch\u1ee9a \u00e1p su\u1ea5t sang b\u00ecnh l\u01b0u tr\u1eef m\u1eabu sinh h\u1ecdc l\u00e0 c\u00e1c thao t\u00e1c k\u1ef9 thu\u1eadt quan tr\u1ecdng, th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong c\u00e1c trung t\u00e2m IVF, ph\u00f2ng th\u00ed nghi\u1ec7m sinh h\u1ecdc v\u00e0 biobank. Do \u0111\u1eb7c t\u00ednh nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng h\u00f3a h\u01a1i nhanh c\u1ee7a LN\u2082, qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi quy tr\u00ecnh thao t\u00e1c chu\u1ea9n h\u00f3a, ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t, l\u01b0u l\u01b0\u1ee3ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n an to\u00e0n nh\u1eb1m \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef m\u1eabu.<\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p h\u01b0\u1edbng d\u1eabn chi ti\u1ebft quy tr\u00ecnh n\u1ea1p nit\u01a1 l\u1ecfng tr\u1ef1c ti\u1ebfp t\u1eeb b\u00ecnh ch\u1ee9a LN\u2082 \u00e1p su\u1ea5t (v\u00ed d\u1ee5: <a href=\"https:\/\/biogroupvietnam.com\/vi\/san-pham\/binh-dura-cyl\/\">Dura-Cyl 180LP<\/a>, <a href=\"https:\/\/biogroupvietnam.com\/vi\/san-pham\/biinh-cap-nito-long-cryocenter\/\">CryoCenter 200<\/a>) sang b\u00ecnh l\u01b0u tr\u1eef m\u1eabu sinh h\u1ecdc kh\u00f4ng \u00e1p su\u1ea5t (nh\u01b0 <a href=\"https:\/\/biogroupvietnam.com\/vi\/san-pham\/mve-xc-series\/\">MVE XC 47<\/a> ho\u1eb7c <a href=\"https:\/\/biogroupvietnam.com\/vi\/san-pham\/mve-cryosystem-750\/\">MVE CryoSystem 750<\/a>).<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Tieu_chuan_va_an_toan_sinh_hoc_lien_quan\" >Ti\u00eau chu\u1ea9n v\u00e0 an to\u00e0n sinh h\u1ecdc li\u00ean quan<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Thiet_bi_vat_tu_va_dung_cu_can_thiet_trong_quy_trinh_nap_nito_long\" >Thi\u1ebft b\u1ecb, v\u1eadt t\u01b0 v\u00e0 d\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft trong quy tr\u00ecnh n\u1ea1p nit\u01a1 l\u1ecfng&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Yeu_cau_an_toan_va_chuan_bi_khu_vuc_lam_viec\" >Y\u00eau c\u1ea7u an to\u00e0n v\u00e0 chu\u1ea9n b\u1ecb khu v\u1ef1c l\u00e0m vi\u1ec7c&nbsp;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Moi_truong_lam_viec\" >M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Kiem_tra_thiet_bi_truoc_khi_nap\" >Ki\u1ec3m tra thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi n\u1ea1p<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Binh_LN%E2%82%82_ap_suat\" >B\u00ecnh LN\u2082 \u00e1p su\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Binh_luu_tru_MVE_XC_47CryoSystem_750\" >B\u00ecnh l\u01b0u tr\u1eef (MVE XC 47\/CryoSystem 750)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Nhan_su_va_PPE\" >Nh\u00e2n s\u1ef1 v\u00e0 PPE<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Quy_trinh_tien_hanh_nap_nito_long\" >Quy tr\u00ecnh ti\u1ebfn h\u00e0nh n\u1ea1p nit\u01a1 l\u1ecfng&nbsp;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Chuan_bi_ket_noi_thiet_bi\" >Chu\u1ea9n b\u1ecb k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Thao_tac_nap_LN%E2%82%82_tu_binh_ap_suat_sang_binh_luu_tru\" >Thao t\u00e1c n\u1ea1p LN\u2082 t\u1eeb b\u00ecnh \u00e1p su\u1ea5t sang b\u00ecnh l\u01b0u tr\u1eef&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Ket_thuc_qua_trinh_va_thao_do_thiet_bi\" >K\u1ebft th\u00fac qu\u00e1 tr\u00ecnh v\u00e0 th\u00e1o d\u1ee1 thi\u1ebft b\u1ecb&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Kiem_tra_sau_khi_nap_va_ghi_nhat_ky\" >Ki\u1ec3m tra sau khi n\u1ea1p v\u00e0 ghi nh\u1eadt k\u00fd&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Canh_bao_an_toan_va_luu_y_dac_biet\" >C\u1ea3nh b\u00e1o an to\u00e0n v\u00e0 l\u01b0u \u00fd \u0111\u1eb7c bi\u1ec7t&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/quy-trinh-nap-nito-long-tu-binh-chua-ln%e2%82%82-sang-binh-luu-tru-mau-sinh-hoc\/#Ket_luan\" >K\u1ebft lu\u1eadn&nbsp;<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tieu_chuan_va_an_toan_sinh_hoc_lien_quan\"><\/span>Ti\u00eau chu\u1ea9n v\u00e0 an to\u00e0n sinh h\u1ecdc li\u00ean quan<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Quy tr\u00ecnh n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng trong l\u01b0u tr\u1eef m\u1eabu sinh h\u1ecdc l\u1ea1nh s\u00e2u:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ISO 20387:2018 y\u00eau c\u1ea7u thi\u1ebft l\u1eadp SOP cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ea3o qu\u1ea3n m\u1eabu sinh h\u1ecdc, \u0111\u00e0o t\u1ea1o nh\u00e2n vi\u00ean v\u00e0 ki\u1ec3m so\u00e1t r\u1ee7i ro trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nit\u01a1 l\u1ecfng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ef1 nh\u1ea5t qu\u00e1n v\u00e0 an to\u00e0n trong v\u1eadn h\u00e0nh biobanking.\u00a0<\/li>\n\n\n\n<li>Khuy\u1ebfn ngh\u1ecb c\u1ee7a HFEA nh\u1ea5n m\u1ea1nh vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t trong b\u1ea3o qu\u1ea3n ph\u00f4i, giao t\u1eed\u2026 \u1edf nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh s\u00e2u, bao g\u1ed3m qu\u1ea3n l\u00fd r\u1ee7i ro nhi\u1ec5m ch\u00e9o v\u00e0 an to\u00e0n cho nh\u00e2n vi\u00ean. Nh\u00e2n vi\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o v\u1ec1 x\u1eed l\u00fd kh\u00ed n\u00e9n v\u00e0 nit\u01a1 l\u1ecfng an to\u00e0n, \u0111\u1ea3m b\u1ea3o m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c kh\u00f4ng g\u00e2y nguy h\u1ea1i cho con ng\u01b0\u1eddi hay \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu sinh h\u1ecdc.\u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>L\u01b0u \u00fd:<\/strong> T\u1ea5t c\u1ea3 c\u00e1c thao t\u00e1c ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi nh\u00e2n vi\u00ean \u0111\u00e3 qua \u0111\u00e0o t\u1ea1o v\u1ec1 an to\u00e0n h\u00f3a ch\u1ea5t v\u00e0 cryogenic. Lu\u00f4n tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 s\u1ee9c kh\u1ecfe, an to\u00e0n v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd li\u00ean quan.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thiet_bi_vat_tu_va_dung_cu_can_thiet_trong_quy_trinh_nap_nito_long\"><\/span>Thi\u1ebft b\u1ecb, v\u1eadt t\u01b0 v\u00e0 d\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft trong quy tr\u00ecnh n\u1ea1p nit\u01a1 l\u1ecfng&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u00ecnh ch\u1ee9a nit\u01a1 l\u1ecfng \u00e1p su\u1ea5t (b\u00ecnh c\u1ea5p ph\u00e1t LN\u2082):<\/strong> B\u00ecnh Dura-Cyl 180LP, CryoCenter 200 ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, c\u00f3 \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c th\u1ea5p (LP) kho\u1ea3ng 22 psi (~1,5 bar). B\u00ecnh ph\u1ea3i c\u00f2n \u0111\u1ee7 l\u01b0\u1ee3ng LN\u2082 \u0111\u1ec3 n\u1ea1p v\u00e0 \u1edf tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng t\u1ed1t (c\u00e1c van v\u1eadn h\u00e0nh tr\u01a1n tru, \u00e1p k\u1ebf ho\u1ea1t \u0111\u1ed9ng, ki\u1ec3m \u0111\u1ecbnh \u00e1p su\u1ea5t c\u00f2n hi\u1ec7u l\u1ef1c).\u00a0<\/li>\n\n\n\n<li><strong>B\u00ecnh l\u01b0u tr\u1eef m\u1eabu sinh h\u1ecdc kh\u00f4ng \u00e1p su\u1ea5t: <\/strong>V\u00ed d\u1ee5 b\u00ecnh MVE XC 47 (dung t\u00edch ~47 l\u00edt LN\u2082) ho\u1eb7c MVE CryoSystem 750 (dung t\u00edch ~45\u201347 l\u00edt). \u0110\u00e2y l\u00e0 c\u00e1c b\u00ecnh Dewar c\u00e1ch nhi\u1ec7t ch\u00e2n kh\u00f4ng, mi\u1ec7ng r\u1ed9ng, c\u00f3 n\u1eafp \u0111\u1eady d\u1ea1ng c\u1ed5 (cork) kh\u00f4ng kh\u00f3a k\u00edn \u0111\u1ec3 duy tr\u00ec \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n b\u00ean trong.\u00a0<\/li>\n\n\n\n<li><strong>D\u00e2y d\u1eabn chuy\u1ec3n nit\u01a1 l\u1ecfng (transfer hose):<\/strong> D\u00e2y m\u1ec1m chuy\u00ean d\u1ee5ng cho LN\u2082, ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 -196\u00b0C, m\u1ed9t \u0111\u1ea7u c\u00f3 \u0111\u1ea7u n\u1ed1i ph\u00f9 h\u1ee3p (v\u00ed d\u1ee5: CGA-295) g\u1eafn v\u00e0o van l\u1ecfng c\u1ee7a b\u00ecnh \u00e1p su\u1ea5t, \u0111\u1ea7u kia g\u1eafn ph\u1ee5 ki\u1ec7n b\u1ed9 t\u00e1ch pha (phase separator). Chi\u1ec1u d\u00e0i d\u00e2y \u0111\u1ee7 \u0111\u1ec3 k\u1ebft n\u1ed1i t\u1eeb b\u00ecnh c\u1ea5p ph\u00e1t t\u1edbi b\u00ecnh l\u01b0u tr\u1eef m\u1ed9t c\u00e1ch thu\u1eadn ti\u1ec7n, tr\u00e1nh c\u0103ng k\u00e9o.\u00a0<\/li>\n\n\n\n<li><strong>B\u1ed9 t\u00e1ch pha (phase separator):<\/strong> Ph\u1ee5 ki\u1ec7n g\u1eafn \u1edf \u0111\u1ea7u ra c\u1ee7a d\u00e2y d\u1eabn, c\u00f3 nhi\u1ec7m v\u1ee5 gi\u1ea3m t\u1ed1c \u0111\u1ed9 d\u00f2ng v\u00e0 t\u00e1ch kh\u00ed gas kh\u1ecfi d\u00f2ng l\u1ecfng, gi\u00fap nit\u01a1 l\u1ecfng ch\u1ea3y \u00eam h\u01a1n v\u00e0 h\u1ea1n ch\u1ebf v\u0103ng b\u1eafn, h\u1ea1n ch\u1ebf hi\u1ec7n t\u01b0\u1ee3ng \u201c\u0111\u00e1 \u1ed1ng\u201d (hose whip) do d\u00f2ng LN\u2082 nhanh.\u00a0<\/li>\n\n\n\n<li><strong>Van ng\u1eaft an to\u00e0n:<\/strong> C\u00f3 th\u1ec3 l\u00e0 van t\u00edch h\u1ee3p tr\u00ean d\u00e2y d\u1eabn ho\u1eb7c van tay t\u1ea1i \u0111\u1ea7u ra b\u00ecnh LN\u2082. \u0110\u1ea3m b\u1ea3o c\u00f3 van kh\u00f3a \u0111\u1ec3 ng\u1eebng d\u00f2ng ch\u1ea3y ngay l\u1eadp t\u1ee9c khi c\u1ea7n. N\u1ebfu d\u00e2y d\u1eabn kh\u00f4ng c\u00f3 van ri\u00eang, s\u1eed d\u1ee5ng lu\u00f4n van l\u1ecfng tr\u00ean b\u00ecnh \u00e1p su\u1ea5t nh\u01b0 van ng\u1eaft ch\u00ednh.\u00a0<\/li>\n\n\n\n<li><strong>\u0110\u1ea7u n\u1ed1i chuy\u1ec3n \u0111\u1ed5i (adapter): <\/strong>N\u1ebfu c\u1ea7n, s\u1eed d\u1ee5ng adapter ph\u00f9 h\u1ee3p \u0111\u1ec3 k\u1ebft n\u1ed1i d\u00e2y d\u1eabn v\u1edbi van c\u1ee7a b\u00ecnh LN\u2082 (v\u00ed d\u1ee5 adapter t\u1eeb chu\u1ea9n CGA c\u1ee7a b\u00ecnh sang ren c\u1ee7a d\u00e2y). \u0110\u1ea3m b\u1ea3o c\u00e1c m\u1ed1i n\u1ed1i k\u00edn kh\u00edt, kh\u00f4ng r\u00f2 kh\u00ed.\u00a0<\/li>\n\n\n\n<li><strong>Thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 c\u00e1 nh\u00e2n (PPE): <\/strong>G\u1ed3m c\u00f3 k\u00ednh b\u1ea3o h\u1ed9 che m\u1eb7t ho\u1eb7c m\u1eb7t n\u1ea1 ch\u1ed1ng gi\u1ecdt b\u1eafn, g\u0103ng tay c\u00e1ch nhi\u1ec7t chuy\u00ean d\u1ee5ng cho nit\u01a1 l\u1ecfng, t\u1ea1p d\u1ec1 ho\u1eb7c \u00e1o cho\u00e0ng c\u00e1ch nhi\u1ec7t ch\u1ed1ng th\u1ea5m, gi\u00e0y b\u1ea3o h\u1ed9 m\u0169i k\u00edn, qu\u1ea7n \u00e1o d\u00e0i tay. Kh\u00f4ng \u0111\u1ec3 h\u1edf da khi thao t\u00e1c v\u1edbi LN\u2082.<\/li>\n\n\n\n<li><strong>Thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 kh\u00e1c: <\/strong>B\u00ecnh ch\u1ee9a ph\u1ee5 (n\u1ebfu c\u1ea7n l\u1ea5y m\u1eabu LN\u2082 nh\u1ecf), ph\u1ec5u (n\u1ebfu \u0111\u1ed5 th\u1ee7 c\u00f4ng), gi\u00e1 \u0111\u1ee1 c\u1ed1 \u0111\u1ecbnh d\u00e2y (n\u1ebfu c\u00f3), thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t oxy trong ph\u00f2ng (khuy\u1ebfn c\u00e1o l\u1eafp \u0111\u1eb7t \u0111\u1ec3 c\u1ea3nh b\u00e1o thi\u1ebfu oxy), nhi\u1ec7t k\u1ebf m\u00f4i tr\u01b0\u1eddng, v\u00e0 s\u1ed5 nh\u1eadt k\u00fd \u0111\u1ec3 ghi ch\u00e9p qu\u00e1 tr\u00ecnh n\u1ea1p.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Yeu_cau_an_toan_va_chuan_bi_khu_vuc_lam_viec\"><\/span>Y\u00eau c\u1ea7u an to\u00e0n v\u00e0 chu\u1ea9n b\u1ecb khu v\u1ef1c l\u00e0m vi\u1ec7c&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Moi_truong_lam_viec\"><\/span>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Thao t\u00e1c n\u1ea1p LN\u2082 ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i khu v\u1ef1c th\u00f4ng tho\u00e1ng, c\u00f3 th\u00f4ng kh\u00ed t\u1ed1t ho\u1eb7c c\u00f3 h\u1ec7 th\u1ed1ng h\u00fat kh\u00ed t\u1ea1i ch\u1ed7. Kh\u00ed nit\u01a1 h\u00f3a h\u01a1i c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 oxy trong kh\u00f4ng kh\u00ed, g\u00e2y nguy c\u01a1 ng\u1ea1t n\u1ebfu t\u00edch t\u1ee5 trong kh\u00f4ng gian k\u00edn. Do \u0111\u00f3, kh\u00f4ng th\u1ef1c hi\u1ec7n trong ph\u00f2ng k\u00edn kh\u00f4ng c\u00f3 th\u00f4ng gi\u00f3. S\u1eed d\u1ee5ng m\u00e1y \u0111o n\u1ed3ng \u0111\u1ed9 O\u2082 \u0111\u1ec3 gi\u00e1m s\u00e1t n\u1ebfu c\u00f3. \u0110\u1eb7t bi\u1ec3n c\u1ea3nh b\u00e1o \u201c\u0110ang thao t\u00e1c nit\u01a1 l\u1ecfng \u2013 Nguy c\u01a1 thi\u1ebfu oxy\/ b\u1ecfng l\u1ea1nh\u201d \u1edf l\u1ed1i v\u00e0o khu v\u1ef1c.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_thiet_bi_truoc_khi_nap\"><\/span><strong>Ki\u1ec3m tra thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi n\u1ea1p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Binh_LN%E2%82%82_ap_suat\"><\/span>B\u00ecnh LN\u2082 \u00e1p su\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Ki\u1ec3m tra \u00e1p su\u1ea5t hi\u1ec7n t\u1ea1i tr\u00ean \u00e1p k\u1ebf c\u1ee7a b\u00ecnh. N\u1ebfu \u00e1p su\u1ea5t > 1,5 bar, ti\u1ebfn h\u00e0nh x\u1ea3 b\u1edbt \u00e1p (m\u1edf van x\u1ea3 kh\u00ed vent tr\u00ean b\u00ecnh c\u1ea5p ph\u00e1t m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb cho \u0111\u1ebfn khi \u00e1p su\u1ea5t gi\u1ea3m v\u1ec1 ~1,3\u20131,5 bar r\u1ed3i \u0111\u00f3ng l\u1ea1i). \u00c1p su\u1ea5t l\u00e0m vi\u1ec7c khuy\u1ebfn ngh\u1ecb kho\u1ea3ng 22 psi (1,5 bar) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u00f2ng LN\u2082 \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng qu\u00e1 m\u1ea1nh. Kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 \u00e1p su\u1ea5t cho ph\u00e9p c\u1ee7a b\u00ecnh (th\u01b0\u1eddng 22 psi \u0111\u1ed1i v\u1edbi b\u00ecnh LP) \u0111\u1ec3 tr\u00e1nh nguy c\u01a1 x\u1ea3 an to\u00e0n \u0111\u1ed9t ng\u1ed9t v\u00e0 gi\u1ea3m v\u0103ng b\u1eafn LN\u2082 khi n\u1ea1p.<\/p>\n\n\n\n<p>N\u1ebfu \u00e1p su\u1ea5t qu\u00e1 th\u1ea5p (&lt; ~0,5 bar) v\u00e0 d\u00f2ng ch\u1ea3y c\u00f3 th\u1ec3 y\u1ebfu, c\u00f3 th\u1ec3 m\u1edf van t\u0103ng \u00e1p (Pressure Building) c\u1ee7a b\u00ecnh \u0111\u1ec3 t\u0103ng \u00e1p su\u1ea5t n\u1ed9i b\u1ed9 t\u1edbi m\u1ee9c c\u1ea7n thi\u1ebft, sau \u0111\u00f3 \u0111\u00f3ng l\u1ea1i tr\u01b0\u1edbc khi n\u1ea1p (tr\u00e1nh \u0111\u1ec3 van PB m\u1edf su\u1ed1t qu\u00e1 tr\u00ecnh n\u1ea1p nh\u1eb1m h\u1ea1n ch\u1ebf \u00e1p su\u1ea5t t\u0103ng qu\u00e1 m\u1ee9c).\u00a0<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Binh_luu_tru_MVE_XC_47CryoSystem_750\"><\/span>B\u00ecnh l\u01b0u tr\u1eef (MVE XC 47\/CryoSystem 750)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u0110\u1ea3m b\u1ea3o b\u00ecnh \u1edf tr\u1ea1ng th\u00e1i \u0111\u1ee9ng th\u1eb3ng, c\u1ed1 \u0111\u1ecbnh tr\u00ean s\u00e0n ph\u1eb3ng. Ki\u1ec3m tra b\u00ean ngo\u00e0i: n\u1ebfu th\u1ea5y c\u00f3 v\u1ebft n\u1ee9t, m\u00f3p m\u00e9o ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ecdng s\u01b0\u01a1ng nhi\u1ec1u b\u1ea5t th\u01b0\u1eddng tr\u00ean v\u1ecf b\u00ecnh \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, c\u00f3 th\u1ec3 b\u00ecnh b\u1ecb m\u1ea5t ch\u00e2n kh\u00f4ng c\u00e1ch nhi\u1ec7t \u2013 kh\u00f4ng s\u1eed d\u1ee5ng b\u00ecnh trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y. Th\u00e1o b\u1ecf n\u1eafp \u0111\u1eady\/cork v\u00e0 m\u1ecdi ph\u1ee5 ki\u1ec7n tr\u00ean mi\u1ec7ng b\u00ecnh. Kh\u00f4ng c\u00f3 v\u1eadt c\u1ea3n b\u00ean trong b\u00ecnh. X\u00e1c \u0111\u1ecbnh m\u1ee9c LN\u2082 hi\u1ec7n t\u1ea1i trong b\u00ecnh (d\u00f9ng th\u01b0\u1edbc \u0111o m\u1ee9c chuy\u00ean d\u1ee5ng ho\u1eb7c que g\u1ed7\/nh\u1ef1a; kh\u00f4ng d\u00f9ng \u1ed1ng r\u1ed7ng\/h\u1ed1c \u0111\u1ec3 \u0111o m\u1ee9c v\u00ec c\u00f3 th\u1ec3 g\u00e2y phun LN\u2082 nguy hi\u1ec3m).<\/p>\n\n\n\n<p>N\u1ebfu b\u00ecnh \u0111ang \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng (l\u1ea7n \u0111\u1ea7u s\u1eed d\u1ee5ng ho\u1eb7c tr\u1ed1ng r\u1ed7ng l\u00e2u ng\u00e0y), l\u01b0u \u00fd s\u1ebd c\u1ea7n ti\u1ec1n l\u00e0m l\u1ea1nh (pre-cool) tr\u01b0\u1edbc khi n\u1ea1p \u0111\u1ea7y: LN\u2082 ban \u0111\u1ea7u cho v\u00e0o s\u1ebd s\u00f4i m\u1ea1nh do ch\u00eanh l\u1ec7ch nhi\u1ec7t, c\u1ea7n th\u00eam th\u1eddi gian \u0111\u1ec3 b\u00ecnh \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhan_su_va_PPE\"><\/span><strong>Nh\u00e2n s\u1ef1 v\u00e0 PPE<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u1ea3m b\u1ea3o ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n v\u00e0 h\u1ed7 tr\u1ee3 \u0111\u00e3 m\u1eb7c \u0111\u1ea7y \u0111\u1ee7 PPE theo quy \u0111\u1ecbnh (che k\u00edn to\u00e0n b\u1ed9 da, \u0111eo g\u0103ng v\u00e0 m\u1eb7t n\u1ea1 ch\u1ed1ng h\u00f3a ch\u1ea5t l\u1ea1nh). Lo\u1ea1i b\u1ecf c\u00e1c v\u1eadt d\u1ee5ng kim lo\u1ea1i \u0111eo tr\u00ean ng\u01b0\u1eddi (nh\u1eabn, \u0111\u1ed3ng h\u1ed3&#8230;) c\u00f3 th\u1ec3 g\u00e2y ch\u1ea5n th\u01b0\u01a1ng l\u1ea1nh n\u1ebfu ti\u1ebfp x\u00fac LN\u2082. Ch\u1ec9 ng\u01b0\u1eddi c\u00f3 nhi\u1ec7m v\u1ee5 m\u1edbi hi\u1ec7n di\u1ec7n trong khu v\u1ef1c; nh\u1eafc nh\u1edf m\u1ecdi ng\u01b0\u1eddi xung quanh gi\u1eef kho\u1ea3ng c\u00e1ch an to\u00e0n t\u1ed1i thi\u1ec3u 3\u20135 m\u00e9t. Chu\u1ea9n b\u1ecb s\u1eb5n d\u1ee5ng c\u1ee5 s\u01a1 c\u1ee9u (n\u01b0\u1edbc \u1ea5m, kh\u0103n s\u1ea1ch) \u0111\u1ec3 x\u1eed l\u00fd nhanh n\u1ebfu c\u00f3 b\u1ecfng l\u1ea1nh, v\u00e0 \u0111\u1ea3m b\u1ea3o l\u1ed1i tho\u00e1t hi\u1ec3m kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quy_trinh_tien_hanh_nap_nito_long\"><\/span>Quy tr\u00ecnh ti\u1ebfn h\u00e0nh n\u1ea1p nit\u01a1 l\u1ecfng&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chuan_bi_ket_noi_thiet_bi\"><\/span>Chu\u1ea9n b\u1ecb k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0110\u1ecbnh v\u1ecb c\u00e1c b\u00ecnh:<\/strong> \u0110\u1eb7t b\u00ecnh LN\u2082 \u00e1p su\u1ea5t v\u00e0 b\u00ecnh l\u01b0u tr\u1eef g\u1ea7n nhau tr\u00ean m\u1eb7t s\u00e0n ch\u1eafc ch\u1eafn, th\u1eb3ng \u0111\u1ee9ng. Kho\u1ea3ng c\u00e1ch hai b\u00ecnh \u0111\u1ee7 g\u1ea7n \u0111\u1ec3 d\u00e2y d\u1eabn t\u1edbi m\u00e0 kh\u00f4ng ph\u1ea3i k\u00e9o c\u0103ng. Ch\u00e8n ch\u1eb7n b\u00e1nh xe (n\u1ebfu b\u00ecnh \u00e1p su\u1ea5t c\u00f3 b\u00e1nh xe) \u0111\u1ec3 tr\u00e1nh di chuy\u1ec3n trong qu\u00e1 tr\u00ecnh n\u1ea1p.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra d\u00e2y d\u1eabn: <\/strong>\u0110\u1ea3m b\u1ea3o d\u00e2y d\u1eabn LN\u2082 m\u1ec1m d\u1ebbo kh\u00f4ng b\u1ecb xo\u1eafn g\u1eadp, kh\u00f4ng c\u00f3 v\u1ebft n\u1ee9t hay r\u00f2 r\u1ec9 tr\u00ean b\u1ec1 m\u1eb7t. Ki\u1ec3m tra c\u00e1c \u0111\u1ea7u n\u1ed1i: ren n\u1ed1i, gio\u0103ng cao su (O-ring) c\u00f2n nguy\u00ean v\u1eb9n, s\u1ea1ch s\u1ebd. N\u1ebfu d\u00e2y d\u1eabn c\u00f3 van ng\u1eaft, th\u1eed \u0111\u00f3ng\/m\u1edf nh\u1eb9 \u0111\u1ec3 ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng.\u00a0<\/li>\n\n\n\n<li><strong>K\u1ebft n\u1ed1i d\u00e2y d\u1eabn v\u1edbi b\u00ecnh c\u1ea5p ph\u00e1t:<\/strong> G\u1eafn m\u1ed9t \u0111\u1ea7u d\u00e2y d\u1eabn v\u00e0o van xu\u1ea5t l\u1ecfng (liquid) c\u1ee7a b\u00ecnh \u00e1p su\u1ea5t. Th\u01b0\u1eddng c\u00e1c b\u00ecnh Dura-Cyl\/CryoCenter c\u00f3 van ri\u00eang cho nit\u01a1 l\u1ecfng (k\u00fd hi\u1ec7u Liquid ho\u1eb7c van m\u00e0u xanh da tr\u1eddi). D\u00f9ng c\u1edd l\u00ea ph\u00f9 h\u1ee3p xi\u1ebft ch\u1eb7t m\u1ed1i n\u1ed1i (theo chu\u1ea9n CGA) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u00edn.<\/li>\n<\/ol>\n\n\n\n<p><em>L\u01b0u \u00fd: <\/em>Thao t\u00e1c n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi van l\u1ecfng \u0111ang \u0111\u00f3ng ho\u00e0n to\u00e0n.\u00a0<\/p>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>G\u1eafn b\u1ed9 t\u00e1ch pha:<\/strong> \u1ede \u0111\u1ea7u t\u1ef1 do c\u1ee7a d\u00e2y d\u1eabn, g\u1eafn phase separator (th\u01b0\u1eddng l\u00e0 \u0111\u1ea7u phun b\u1eb1ng nh\u1ef1a ho\u1eb7c kim lo\u1ea1i c\u00f3 nhi\u1ec1u l\u1ed7 nh\u1ecf). \u0110\u1ea3m b\u1ea3o b\u1ed9 t\u00e1ch pha \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn, kh\u00f4ng l\u1ecfng l\u1ebbo, \u0111\u1ec3 khi d\u00f2ng LN\u2082 ch\u1ea3y s\u1ebd kh\u00f4ng b\u1ecb v\u0103ng ra. B\u1ed9 t\u00e1ch pha gi\u00fap gi\u1ea3m t\u1ed1c \u0111\u1ed9 d\u00f2ng v\u00e0 h\u00f3a h\u01a1i m\u1ed9t ph\u1ea7n LN\u2082, ng\u0103n ch\u1ea5t l\u1ecfng b\u1eafn tung kh\u1ecfi \u0111\u1ea7u \u1ed1ng, r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 an to\u00e0n khi \u0111\u1ed5 v\u00e0o b\u00ecnh h\u1edf.\u00a0<\/li>\n\n\n\n<li><strong>\u0110\u1ecbnh v\u1ecb \u0111\u1ea7u ra v\u00e0o b\u00ecnh l\u01b0u tr\u1eef:<\/strong> \u0110\u01b0a \u0111\u1ea7u d\u00e2y d\u1eabn c\u00f3 g\u1eafn t\u00e1ch pha v\u00e0o mi\u1ec7ng b\u00ecnh l\u01b0u tr\u1eef. Gi\u1eef sao cho \u0111\u1ea7u t\u00e1ch pha h\u01b0\u1edbng xu\u1ed1ng d\u01b0\u1edbi v\u00e0o b\u00ean trong b\u00ecnh, mi\u1ec7ng \u0111\u1ea7u ra c\u00e1ch \u0111\u00e1y b\u00ecnh m\u1ed9t kho\u1ea3ng (v\u00e0i cm) \u0111\u1ec3 nit\u01a1 l\u1ecfng v\u00e0o th\u1eb3ng b\u00ean trong, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a vi\u1ec7c ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed b\u00ean ngo\u00e0i. Kh\u00f4ng c\u1ea7m tr\u1ef1c ti\u1ebfp v\u00e0o \u0111o\u1ea1n \u1ed1ng kim lo\u1ea1i tr\u1ea7n \u2013 d\u00f9ng tay c\u1ea7m c\u00e1ch nhi\u1ec7t ho\u1eb7c c\u1ea7m v\u00e0o l\u1edbp b\u1ecdc b\u00ean ngo\u00e0i c\u1ee7a phase separator n\u1ebfu \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u1ea7m. N\u1ebfu c\u1ea7n, d\u00f9ng gi\u00e1 \u0111\u1ee1 ho\u1eb7c k\u1eb9p \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh t\u1ea1m th\u1eddi \u0111\u1ea7u \u1ed1ng trong b\u00ecnh l\u01b0u tr\u1eef, tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p \u1ed1ng b\u1eadt ra do ph\u1ea3n l\u1ef1c.\u00a0<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thao_tac_nap_LN%E2%82%82_tu_binh_ap_suat_sang_binh_luu_tru\"><\/span>Thao t\u00e1c n\u1ea1p LN\u2082 t\u1eeb b\u00ecnh \u00e1p su\u1ea5t sang b\u00ecnh l\u01b0u tr\u1eef&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>M\u1edf th\u00f4ng kh\u00ed (n\u1ebfu c\u1ea7n):<\/strong> \u0110\u1ed1i v\u1edbi b\u00ecnh l\u01b0u tr\u1eef, mi\u1ec7ng b\u00ecnh \u0111\u00e3 m\u1edf n\u00ean \u00e1p su\u1ea5t b\u00ean trong b\u1eb1ng \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n. Kh\u00f4ng c\u1ea7n th\u00f4ng kh\u00ed th\u00eam. Tuy nhi\u00ean, \u0111\u1ea3m b\u1ea3o n\u1eafp b\u00ecnh l\u01b0u tr\u1eef \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00e1o v\u00e0 kh\u00f4ng b\u1ecb \u0111\u1eady k\u00edn trong su\u1ed1t qu\u00e1 tr\u00ecnh n\u1ea1p, \u0111\u1ec3 kh\u00ed nit\u01a1 b\u1ed1c h\u01a1i tho\u00e1t ra d\u1ec5 d\u00e0ng, tr\u00e1nh \u00e1p su\u1ea5t d\u01b0\u01a1ng trong b\u00ecnh.\u00a0<\/li>\n\n\n\n<li><strong>T\u0103ng \u00e1p nh\u1eb9 b\u00ecnh c\u1ea5p (n\u1ebfu c\u1ea7n):<\/strong> Ki\u1ec3m tra l\u1ea1i \u00e1p su\u1ea5t b\u00ecnh c\u1ea5p ph\u00e1t. N\u1ebfu \u00e1p su\u1ea5t &lt; 1 bar v\u00e0 d\u00f2ng ch\u1ea3y d\u1ef1 ki\u1ebfn y\u1ebfu, c\u00f3 th\u1ec3 m\u1edf van t\u0103ng \u00e1p (PB) trong th\u1eddi gian ng\u1eafn \u0111\u1ec3 \u00e1p su\u1ea5t t\u0103ng l\u00ean m\u1ee9c ~1,3\u20131,5 bar. Khi \u0111\u1ea1t m\u1ee9c n\u00e0y, \u0111\u00f3ng van PB tr\u01b0\u1edbc khi m\u1edf van x\u1ea3 l\u1ecfng. Tr\u00e1nh v\u1eeba t\u0103ng \u00e1p v\u1eeba x\u1ea3 l\u1ecfng \u0111\u1ed3ng th\u1eddi, v\u00ec s\u1ebd l\u00e0m d\u00f2ng ra qu\u00e1 m\u1ea1nh.\u00a0<\/li>\n\n\n\n<li><strong>M\u1edf van l\u1ecfng t\u1eeb t\u1eeb: <\/strong>\u0110\u1ee9ng v\u1ec1 m\u1ed9t b\u00ean c\u1ee7a van (tr\u00e1nh \u0111\u1ee9ng ph\u00eda tr\u00ean \u0111\u1ea7u d\u00e2y d\u1eabn), t\u1eeb t\u1eeb m\u1edf van l\u1ecfng tr\u00ean b\u00ecnh \u00e1p su\u1ea5t (xoay ch\u1eadm kho\u1ea3ng 1\/4 v\u00f2ng \u0111\u1ea7u ti\u00ean). L\u00fac n\u00e0y nit\u01a1 l\u1ecfng b\u1eaft \u0111\u1ea7u ch\u1ea3y qua d\u00e2y d\u1eabn sang b\u00ecnh l\u01b0u tr\u1eef. M\u1edf van th\u00eam t\u1eeb t\u1eeb cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u01b0\u1ee3c d\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh mong mu\u1ed1n. Kh\u00f4ng m\u1edf ho\u00e0n to\u00e0n \u0111\u1ed9t ng\u1ed9t \u2013 d\u00f2ng LN\u2082 qu\u00e1 m\u1ea1nh c\u00f3 th\u1ec3 g\u00e2y \u201c\u0111\u00e1 \u1ed1ng\u201d v\u00e0 b\u1eafn LN\u2082 nguy hi\u1ec3m.\u00a0<\/li>\n\n\n\n<li><strong>Quan s\u00e1t qu\u00e1 tr\u00ecnh n\u1ea1p:<\/strong> Khi LN\u2082 ch\u1ea3y v\u00e0o b\u00ecnh l\u01b0u tr\u1eef, ban \u0111\u1ea7u s\u1ebd c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng s\u00f4i m\u1ea1nh do ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9, h\u01a1i nit\u01a1 b\u1ed1c l\u00ean nhi\u1ec1u. Gi\u1eef kho\u1ea3ng c\u00e1ch m\u1eb7t an to\u00e0n, s\u1eed d\u1ee5ng k\u00ednh che m\u1eb7t \u0111\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi h\u01a1i l\u1ea1nh. N\u1ebfu b\u00ecnh l\u01b0u tr\u1eef \u0111ang \u1ea5m (nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng), n\u00ean n\u1ea1p m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ban \u0111\u1ea7u (v\u00e0i l\u00edt) r\u1ed3i t\u1ea1m ng\u1eebng b\u1eb1ng c\u00e1ch \u0111\u00f3ng van l\u1ecfng l\u1ea1i. Ch\u1edd kho\u1ea3ng 1-2 ph\u00fat cho LN\u2082 trong b\u00ecnh s\u00f4i c\u1ea1n d\u1ea7n v\u00e0 l\u00e0m l\u1ea1nh b\u00ecnh (hi\u1ec7n t\u01b0\u1ee3ng s\u00f4i d\u1eef d\u1ed9i gi\u1ea3m xu\u1ed1ng). Sau \u0111\u00f3 ti\u1ebfp t\u1ee5c m\u1edf van l\u1ecfng cho LN\u2082 ch\u1ea3y v\u00e0o b\u00ecnh l\u1ea7n hai. C\u00e1ch n\u1ea1p ph\u00e2n \u0111o\u1ea1n n\u00e0y gi\u00fap h\u1ea1n ch\u1ebf s\u1ed1c nhi\u1ec7t v\u00e0 gi\u1ea3m s\u00f4i tr\u00e0o.\u00a0<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng: <\/strong>Trong su\u1ed1t qu\u00e1 tr\u00ecnh, ng\u01b0\u1eddi thao t\u00e1c c\u1ea7n ki\u1ec3m so\u00e1t van l\u1ecfng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng ph\u00f9 h\u1ee3p. N\u1ebfu th\u1ea5y \u1ed1ng d\u1eabn rung m\u1ea1nh ho\u1eb7c LN\u2082 b\u1eafn tia qua mi\u1ec7ng b\u00ecnh l\u01b0u tr\u1eef, gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng (\u0111\u00f3ng b\u1edbt van) ngay l\u1eadp t\u1ee9c \u0111\u1ec3 tr\u00e1nh nguy hi\u1ec3m. \u1ede \u00e1p su\u1ea5t ~1,5 bar, t\u1ed1c \u0111\u1ed9 d\u00f2ng th\u00edch h\u1ee3p th\u01b0\u1eddng kho\u1ea3ng 6\u20138 l\u00edt\/ph\u00fat. T\u1ed1c \u0111\u1ed9 n\u00e0y gi\u00fap n\u1ea1p ~47 l\u00edt LN\u2082 trong kho\u1ea3ng 6\u20138 ph\u00fat. Tuy nhi\u00ean n\u00ean c\u00e2n \u0111\u1ed1i th\u1eddi gian n\u1ea1p d\u00e0i h\u01a1n (c\u00f3 th\u1ec3 10\u201315 ph\u00fat) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 tr\u00e1nh tr\u00e0n.\u00a0<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra m\u1ee9c \u0111\u1ea7y:<\/strong> Khi b\u00ecnh l\u01b0u tr\u1eef g\u1ea7n \u0111\u1ea1t m\u1ee9c LN\u2082 y\u00eau c\u1ea7u, l\u01b0u l\u01b0\u1ee3ng nit\u01a1 l\u1ecfng s\u1ebd gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng s\u00f4i \u0111\u00e1ng k\u1ec3. C\u00f3 th\u1ec3 quan s\u00e1t m\u1ee9c LN\u2082 b\u1eb1ng c\u00e1ch d\u00f9ng th\u01b0\u1edbc \u0111o ho\u1eb7c nh\u00ecn v\u00e0o b\u00ean trong (n\u1ebfu \u0111i\u1ec1u ki\u1ec7n cho ph\u00e9p, nhanh ch\u00f3ng v\u00e0 an to\u00e0n). Kh\u00f4ng \u0111\u1ec3 m\u1ee9c nit\u01a1 l\u1ecfng v\u01b0\u1ee3t qu\u00e1 \u0111\u00e1y c\u1ed5 b\u00ecnh. Th\u00f4ng th\u01b0\u1eddng, n\u00ean d\u1eebng n\u1ea1p khi m\u1ef1c LN\u2082 c\u00e1ch mi\u1ec7ng c\u1ed5 b\u00ecnh kho\u1ea3ng 5cm ho\u1eb7c theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t b\u00ecnh l\u01b0u tr\u1eef, \u0111\u1ec3 ch\u1eeba kho\u1ea3ng kh\u00f4ng cho gi\u00e3n n\u1edf v\u00e0 tr\u00e1nh tr\u00e0n khi c\u00f3 m\u1eabu cho v\u00e0o.\u00a0<\/li>\n\n\n\n<li><strong>Ng\u1eebng d\u00f2ng ch\u1ea3y: <\/strong>\u0110\u00f3ng van l\u1ecfng tr\u00ean b\u00ecnh \u00e1p su\u1ea5t m\u1ed9t c\u00e1ch d\u1ee9t kho\u00e1t nh\u01b0ng nh\u1eb9 nh\u00e0ng (tr\u00e1nh xoay qu\u00e1 nhanh g\u00e2y s\u1ed1c). Sau khi van \u0111\u00e3 kh\u00f3a, v\u1eabn gi\u1eef d\u00e2y d\u1eabn trong b\u00ecnh l\u01b0u tr\u1eef th\u00eam m\u1ed9t l\u00fac. LN\u2082 s\u1ebd c\u00f2n ch\u1ea3y ra m\u1ed9t \u00edt do \u00e1p l\u1ef1c d\u01b0 trong \u1ed1ng. Ch\u1edd cho d\u00f2ng ch\u1ea3y ng\u1eebng h\u1eb3n (kh\u00f4ng c\u00f2n tia nit\u01a1 l\u1ecfng ra v\u00e0 ch\u1ec9 c\u00f2n kh\u00ed bay h\u01a1i) r\u1ed3i m\u1edbi ti\u1ebfn h\u00e0nh b\u01b0\u1edbc ti\u1ebfp theo.\u00a0<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ket_thuc_qua_trinh_va_thao_do_thiet_bi\"><\/span>K\u1ebft th\u00fac qu\u00e1 tr\u00ecnh v\u00e0 th\u00e1o d\u1ee1 thi\u1ebft b\u1ecb&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>X\u1ea3 \u00e1p v\u00e0 th\u00e1o d\u00e2y d\u1eabn:<\/strong> Tr\u01b0\u1edbc khi th\u00e1o d\u00e2y, \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f2n nit\u01a1 l\u1ecfng \u0111ang ch\u1ea3y. N\u1ebfu d\u00e2y d\u1eabn c\u00f3 van ng\u1eaft\/van x\u1ea3 ph\u1ee5, m\u1edf van x\u1ea3 ph\u1ee5 \u0111\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00ed \u00e1p c\u00f2n l\u1ea1i trong \u1ed1ng cho t\u1edbi khi \u00e1p su\u1ea5t b\u1eb1ng 0. N\u1ebfu kh\u00f4ng c\u00f3 van x\u1ea3 ph\u1ee5, n\u1edbi l\u1ecfng ch\u1eadm \u0111\u1ea7u n\u1ed1i d\u00e2y kh\u1ecfi van b\u00ecnh \u00e1p su\u1ea5t \u0111\u1ec3 kh\u00ed tho\u00e1t ra (thao t\u00e1c n\u00e0y ph\u1ea3i \u0111eo m\u1eb7t n\u1ea1 v\u00e0 quay m\u1eb7t sang b\u00ean \u0111\u1ec3 tr\u00e1nh h\u01a1i gas x\u1ea3). Khi \u0111\u00e3 h\u1ebft \u00e1p, th\u00e1o h\u1eb3n \u0111\u1ea7u d\u00e2y ra kh\u1ecfi b\u00ecnh. L\u01b0u \u00fd \u0111\u1ea7u n\u1ed1i kim lo\u1ea1i c\u00f3 th\u1ec3 r\u1ea5t l\u1ea1nh \u2013 ti\u1ebfp t\u1ee5c \u0111eo g\u0103ng c\u00e1ch nhi\u1ec7t khi thao t\u00e1c.\u00a0<\/li>\n\n\n\n<li><strong>X\u1eed l\u00fd d\u00e2y d\u1eabn sau n\u1ea1p: <\/strong>Nh\u1ea5c \u0111\u1ea7u d\u00e2y d\u1eabn (c\u00f3 phase separator) ra kh\u1ecfi b\u00ecnh l\u01b0u tr\u1eef, h\u01b0\u1edbng xu\u1ed1ng s\u00e0n cho m\u1ecdi gi\u1ecdt LN\u2082 c\u00f2n s\u00f3t tho\u00e1t h\u1ebft ra ngo\u00e0i. \u0110\u1eb7t d\u00e2y d\u1eabn v\u00e0o gi\u00e1 ho\u1eb7c v\u1ecb tr\u00ed an to\u00e0n, \u0111\u1ec3 t\u1ef1 l\u00e0m \u1ea5m v\u1ec1 nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng (tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp da tay v\u1edbi ph\u1ea7n \u1ed1ng kim lo\u1ea1i l\u1ea1nh cho \u0111\u1ebfn khi h\u1ebft l\u1ea1nh). Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng nh\u00fang d\u00e2y v\u00e0o n\u01b0\u1edbc \u1ea5m \u0111\u1ec3 r\u00e3 \u0111\u00f4ng v\u00ec ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng d\u00e2y; c\u1ee9 \u0111\u1ec3 d\u00e2y kh\u00f4 r\u00e1o t\u1ef1 nhi\u00ean.\u00a0<\/li>\n\n\n\n<li><strong>\u0110\u1eady b\u00ecnh l\u01b0u tr\u1eef: <\/strong>Ki\u1ec3m tra nhanh m\u1ee9c LN\u2082 l\u1ea7n cu\u1ed1i trong b\u00ecnh l\u01b0u tr\u1eef. Sau \u0111\u00f3, \u0111\u1eb7t n\u1eafp\/cork v\u00e0o mi\u1ec7ng b\u00ecnh. Kh\u00f4ng \u0111\u00f3ng k\u00edn ho\u00e0n to\u00e0n (n\u1ebfu n\u1eafp c\u00f3 kh\u00f3a hay ch\u1ed1t, ch\u1ec9 \u0111\u1eb7t h\u1edd \u0111\u1ec3 v\u1eabn cho ph\u00e9p tho\u00e1t \u00e1p su\u1ea5t). B\u00ecnh l\u01b0u tr\u1eef lu\u00f4n ph\u1ea3i \u0111\u01b0\u1ee3c th\u00f4ng kh\u00ed t\u1ef1 nhi\u00ean \u0111\u1ec3 tr\u00e1nh \u00e1p su\u1ea5t t\u0103ng b\u00ean trong do bay h\u01a1i LN\u2082.\u00a0<\/li>\n\n\n\n<li><strong>\u0110\u00f3ng c\u00e1c van b\u00ecnh \u00e1p su\u1ea5t: <\/strong>\u0110\u1ea3m b\u1ea3o van l\u1ecfng \u0111\u00e3 \u0111\u00f3ng ch\u1eb7t. C\u0169ng \u0111\u00f3ng l\u1ea1i van x\u1ea3 kh\u00ed (vent) n\u1ebfu \u0111\u00e3 m\u1edf l\u00fac tr\u01b0\u1edbc. Ki\u1ec3m tra \u00e1p k\u1ebf \u2013 \u00e1p su\u1ea5t c\u00f3 th\u1ec3 t\u0103ng nh\u1eb9 t\u1ef1 nhi\u00ean sau n\u1ea1p (do b\u00ecnh v\u1eabn c\u00f2n nit\u01a1 l\u1ecfng h\u1ea5p th\u1ee5 nhi\u1ec7t m\u00f4i tr\u01b0\u1eddng), nh\u01b0ng ph\u1ea3i d\u01b0\u1edbi m\u1ee9c x\u1ea3 an to\u00e0n (n\u1ebfu \u00e1p v\u01b0\u1ee3t 22 psi, van an to\u00e0n s\u1ebd x\u1ea3 t\u1ef1 \u0111\u1ed9ng m\u1ed9t ch\u00fat kh\u00ed \u2013 \u0111\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng \u0111\u1ed1i v\u1edbi b\u00ecnh Dura-Cyl LP).\u00a0<\/li>\n\n\n\n<li><strong>Ho\u00e0n thi\u1ec7n khu v\u1ef1c:<\/strong> Thu d\u1ecdn khu v\u1ef1c n\u1ea1p: n\u1ebfu c\u00f3 b\u0103ng tuy\u1ebft \u0111\u1ecdng ho\u1eb7c v\u0169ng n\u01b0\u1edbc h\u00ecnh th\u00e0nh tr\u00ean s\u00e0n (do LN\u2082 tr\u00e0n ho\u1eb7c h\u01a1i n\u01b0\u1edbc ng\u01b0ng t\u1ee5 \u0111\u00f3ng b\u0103ng r\u1ed3i tan), ti\u1ebfn h\u00e0nh x\u1eed l\u00fd (r\u1eafc mu\u1ed1i ch\u1ed1ng tr\u01a1n ho\u1eb7c lau kh\u00f4 khi \u0111\u00e3 tan) \u0111\u1ec3 tr\u00e1nh nguy c\u01a1 tr\u01a1n tr\u01b0\u1ee3t. Th\u00f4ng gi\u00f3 ph\u00f2ng th\u00eam v\u00e0i ph\u00fat \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o oxy trong ph\u00f2ng tr\u1edf v\u1ec1 m\u1ee9c b\u00ecnh th\u01b0\u1eddng. Th\u00e1o b\u1ecf bi\u1ec3n c\u1ea3nh b\u00e1o khi k\u1ebft th\u00fac.\u00a0<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_sau_khi_nap_va_ghi_nhat_ky\"><\/span>Ki\u1ec3m tra sau khi n\u1ea1p v\u00e0 ghi nh\u1eadt k\u00fd&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Ki\u1ec3m tra b\u00ecnh l\u01b0u tr\u1eef: <\/strong>Quan s\u00e1t m\u1eb7t ngo\u00e0i b\u00ecnh MVE XC 47\/CryoSystem 750 sau khi n\u1ea1p \u0111\u1ea7y. M\u1ed9t \u00edt s\u01b0\u01a1ng ho\u1eb7c b\u0103ng m\u1ecfng g\u1ea7n mi\u1ec7ng b\u00ecnh ngay sau khi n\u1ea1p l\u00e0 b\u00ecnh th\u01b0\u1eddng (do h\u01a1i \u1ea9m kh\u00f4ng kh\u00ed ng\u01b0ng t\u1ee5). Tuy nhi\u00ean, n\u1ebfu sau v\u00e0i gi\u1edd m\u00e0 v\u1eabn th\u1ea5y \u0111\u1ecdng s\u01b0\u01a1ng nhi\u1ec1u ho\u1eb7c b\u0103ng ph\u1ee7 \u1edf th\u00e2n b\u00ecnh, \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u00eda g\u1ea7n c\u1ed5 b\u00ecnh, c\u00f3 th\u1ec3 d\u1ea5u hi\u1ec7u m\u1ea5t ch\u00e2n kh\u00f4ng c\u00e1ch nhi\u1ec7t. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u1ea7n di chuy\u1ec3n m\u1eabu sang b\u00ecnh kh\u00e1c v\u00e0 g\u1eedi b\u00ecnh \u0111\u1ec3 ki\u1ec3m tra b\u1ea3o d\u01b0\u1ee1ng.\u00a0<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra r\u00f2 r\u1ec9 thi\u1ebft b\u1ecb: <\/strong>Ki\u1ec3m tra c\u00e1c van tr\u00ean b\u00ecnh \u00e1p su\u1ea5t sau n\u1ea1p: kh\u00f4ng c\u00f3 h\u01a1i l\u1ea1nh r\u00f2 r\u1ec9, kh\u00f4ng c\u00f3 ti\u1ebfng x\u00ec kh\u00ed. N\u1ebfu ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 (v\u00ed d\u1ee5 van l\u1ecfng b\u1ecb \u0111\u00f3ng kh\u00f4ng k\u00edn, c\u00f2n r\u00f2 kh\u00ed), si\u1ebft ch\u1eb7t l\u1ea1i ho\u1eb7c \u0111\u01b0a b\u00ecnh ra khu v\u1ef1c tho\u00e1ng v\u00e0 b\u00e1o b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt x\u1eed l\u00fd. Ki\u1ec3m tra d\u00e2y d\u1eabn d\u1ecdc theo chi\u1ec1u d\u00e0i xem c\u00f3 v\u1ebft n\u1ee9t hay b\u00e1m tuy\u1ebft (d\u1ea5u hi\u1ec7u r\u00f2 r\u1ec9 trong c\u1ea5u tr\u00fac d\u00e2y) \u2013 n\u1ebfu c\u00f3, ng\u01b0ng s\u1eed d\u1ee5ng d\u00e2y cho l\u1ea7n sau v\u00e0 l\u00ean k\u1ebf ho\u1ea1ch thay th\u1ebf.\u00a0<\/li>\n\n\n\n<li><strong>Th\u00e1o b\u1ecf PPE: <\/strong>R\u1eddi khu v\u1ef1c n\u1ea1p tr\u01b0\u1edbc khi th\u00e1o ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o h\u1ed9. Th\u00e1o m\u1eb7t n\u1ea1\/k\u00ednh, g\u0103ng, t\u1ea1p d\u1ec1\u2026 Sau \u0111\u00f3 c\u1ea5t v\u00e0o n\u01a1i quy \u0111\u1ecbnh. L\u01b0u \u00fd: N\u1ebfu qu\u1ea7n \u00e1o b\u1ecb d\u00ednh LN\u2082, ph\u1ea3i c\u1edfi b\u1ecf ngay l\u1eadp t\u1ee9c n\u1ebfu ch\u01b0a l\u00e0m khi \u0111ang thao t\u00e1c, do LN\u2082 c\u00f3 th\u1ec3 g\u00e2y t\u00ea c\u00f3ng n\u1eb7ng. \u0110\u1ec3 \u0111\u1ed3 b\u1ea3o h\u1ed9 kh\u00f4 r\u00e1o tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng l\u1ea1i.\u00a0<\/li>\n\n\n\n<li><strong>Ghi nh\u1eadt k\u00fd v\u1eadn h\u00e0nh:<\/strong> Ghi ch\u00e9p \u0111\u1ea7y \u0111\u1ee7 v\u00e0o s\u1ed5 nh\u1eadt k\u00fd ho\u1eb7c bi\u1ec3u m\u1eabu SOP c\u00e1c th\u00f4ng tin:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ng\u00e0y gi\u1edd th\u1ef1c hi\u1ec7n<\/li>\n\n\n\n<li>Ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n<\/li>\n\n\n\n<li>ID b\u00ecnh c\u1ea5p ph\u00e1t LN\u2082 (v\u00ed d\u1ee5 s\u1ed1 serial Dura-Cyl)<\/li>\n\n\n\n<li>ID b\u00ecnh l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c n\u1ea1p; L\u01b0\u1ee3ng nit\u01a1 l\u1ecfng n\u1ea1p (\u01b0\u1edbc t\u00ednh b\u1eb1ng l\u00edt ho\u1eb7c % dung t\u00edch b\u00ecnh)<\/li>\n\n\n\n<li>\u00a0\u00c1p su\u1ea5t b\u00ecnh c\u1ea5p tr\u01b0\u1edbc v\u00e0 sau khi n\u1ea1p<\/li>\n\n\n\n<li>C\u00e1c ki\u1ec3m tra an to\u00e0n (PPE, O\u2082 ph\u00f2ng\u2026)<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3 ki\u1ec3m tra sau n\u1ea1p (m\u1ee9c LN\u2082 \u0111\u1ea1t, kh\u00f4ng r\u00f2 r\u1ec9\u2026)<\/li>\n\n\n\n<li>Ch\u1eef k\u00fd x\u00e1c nh\u1eadn c\u1ee7a ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n v\u00e0 ng\u01b0\u1eddi gi\u00e1m s\u00e1t (n\u1ebfu y\u00eau c\u1ea7u)<\/li>\n<\/ul>\n\n\n\n<p>Vi\u1ec7c l\u01b0u gi\u1eef h\u1ed3 s\u01a1 n\u00e0y l\u00e0 b\u1eaft bu\u1ed9c theo ti\u00eau chu\u1ea9n ISO 20387 nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Canh_bao_an_toan_va_luu_y_dac_biet\"><\/span>C\u1ea3nh b\u00e1o an to\u00e0n v\u00e0 l\u01b0u \u00fd \u0111\u1eb7c bi\u1ec7t&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nguy c\u01a1 b\u1ecfng l\u1ea1nh:<\/strong> Nit\u01a1 l\u1ecfng c\u00f3 nhi\u1ec7t \u0111\u1ed9 -196\u00b0C, ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi da ho\u1eb7c m\u1eaft c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng l\u1ea1nh t\u1ee9c th\u00ec. Lu\u00f4n mang PPE v\u00e0 kh\u00f4ng ch\u1ea1m tay tr\u1ea7n v\u00e0o b\u1ec1 m\u1eb7t kim lo\u1ea1i ho\u1eb7c thi\u1ebft b\u1ecb v\u1eeba ti\u1ebfp x\u00fac LN\u2082. N\u1ebfu b\u1ecb d\u00ednh LN\u2082 tr\u00ean da, kh\u00f4ng ch\u00e0 x\u00e1t, x\u1ea3 n\u01b0\u1edbc \u1ea5m (kh\u00f4ng n\u00f3ng) v\u00e0 t\u00ecm tr\u1ee3 gi\u00fap y t\u1ebf.\u00a0<\/li>\n\n\n\n<li><strong>Nguy c\u01a1 ng\u1ea1t th\u1edf:<\/strong> LN\u2082 h\u00f3a h\u01a1i t\u1ea1o kh\u00ed N\u2082 kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, c\u00f3 th\u1ec3 thay th\u1ebf oxy trong kh\u00f4ng kh\u00ed. Tri\u1ec7u ch\u1ee9ng thi\u1ebfu oxy g\u1ed3m ch\u00f3ng m\u1eb7t, m\u1ec7t, bu\u1ed3n ng\u1ee7. N\u1ebfu th\u1ea5y b\u00e1o \u0111\u1ed9ng oxy th\u1ea5p ho\u1eb7c c\u00f3 d\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng, ng\u1eebng thao t\u00e1c, di chuy\u1ec3n ra khu v\u1ef1c tho\u00e1ng v\u00e0 h\u00edt th\u1edf kh\u00f4ng kh\u00ed b\u00ecnh th\u01b0\u1eddng ngay.\u00a0<\/li>\n\n\n\n<li><strong>Ki\u1ec3m so\u00e1t ng\u01b0ng t\u1ee5 &amp; oxy l\u1ecfng: <\/strong>H\u01a1i \u1ea9m kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 ng\u01b0ng t\u1ee5 th\u00e0nh n\u01b0\u1edbc ho\u1eb7c \u0111\u00f3ng b\u0103ng tr\u00ean b\u1ec1 m\u1eb7t l\u1ea1nh. S\u00e0n nh\u00e0, tay n\u1eafm, d\u1ee5ng c\u1ee5 c\u00f3 th\u1ec3 tr\u01a1n tr\u01b0\u1ee3t \u2013 lu\u00f4n b\u01b0\u1edbc \u0111i c\u1ea9n th\u1eadn, s\u1eed d\u1ee5ng gi\u00e0y ch\u1ed1ng tr\u01b0\u1ee3t. \u0110\u1eb7c bi\u1ec7t, oxy l\u1ecfng c\u00f3 th\u1ec3 ng\u01b0ng t\u1ee5 t\u1eeb kh\u00f4ng kh\u00ed gi\u00e0u oxy l\u00ean b\u1ec1 m\u1eb7t c\u1ef1c l\u1ea1nh; tr\u00e1nh \u0111\u1ec3 v\u1eadt li\u1ec7u d\u1ec5 ch\u00e1y g\u1ea7n khu v\u1ef1c n\u1ea1p LN\u2082. Sau khi n\u1ea1p, n\u00ean \u0111\u1ec3 b\u00ecnh l\u01b0u tr\u1eef h\u1edf n\u1eafp m\u1ed9t l\u00fac \u1edf n\u01a1i tho\u00e1ng tr\u01b0\u1edbc khi \u0111\u00f3ng l\u1ea1i, gi\u00fap oxy l\u1ecfng (n\u1ebfu c\u00f3) bay h\u01a1i h\u1ebft.\u00a0<\/li>\n\n\n\n<li><strong>Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng k\u00edn h\u00f3a h\u1ec7 th\u1ed1ng: <\/strong>C\u1ea3 b\u00ecnh c\u1ea5p l\u1eabn b\u00ecnh l\u01b0u tr\u1eef \u0111\u1ec1u ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3 kh\u00ed. Kh\u00f4ng c\u1ed1 \u0111\u1ecbnh ch\u1eb7t b\u1ea5t k\u1ef3 n\u1eafp \u0111\u1eady ho\u1eb7c van n\u00e0o ng\u0103n c\u1ea3n s\u1ef1 tho\u00e1t kh\u00ed c\u1ee7a nit\u01a1 h\u00f3a h\u01a1i. Vi ph\u1ea1m nguy\u00ean t\u1eafc n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u0103ng \u00e1p n\u1ed5 b\u00ecnh.\u00a0<\/li>\n\n\n\n<li><strong>S\u1ef1 c\u1ed1 thi\u1ebft b\u1ecb: <\/strong>N\u1ebfu ph\u00e1t sinh b\u1ea5t th\u01b0\u1eddng (v\u00ed d\u1ee5: van k\u1eb9t kh\u00f4ng \u0111\u00f3ng \u0111\u01b0\u1ee3c, d\u00e2y d\u1eabn r\u00f2 m\u1ea1nh, LN\u2082 tr\u00e0o qu\u00e1 nhanh kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c), ng\u1eebng ngay thao t\u00e1c, r\u1eddi kh\u1ecfi khu v\u1ef1c v\u00e0 th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng \u00e1n kh\u1ea9n c\u1ea5p: c\u1eaft ngu\u1ed3n nit\u01a1 (\u0111\u00f3ng van b\u00ecnh ch\u00ednh n\u1ebfu c\u00f3 th\u1ec3 an to\u00e0n), t\u0103ng th\u00f4ng gi\u00f3 t\u1ed1i \u0111a, s\u01a1 t\u00e1n khu v\u1ef1c n\u1ebfu c\u1ea7n. B\u00e1o cho qu\u1ea3n l\u00fd an to\u00e0n ph\u00f2ng lab \u0111\u1ec3 h\u1ed7 tr\u1ee3 x\u1eed l\u00fd. Lu\u00f4n c\u00f3 s\u1eb5n b\u00ecnh ch\u1eefa ch\u00e1y CO\u2082 ho\u1eb7c b\u1ed9t g\u1ea7n khu v\u1ef1c (d\u00f9ng trong t\u00ecnh hu\u1ed1ng ch\u00e1y gi\u00e1n ti\u1ebfp, d\u00f9 nit\u01a1 l\u1ecfng kh\u00f4ng ch\u00e1y nh\u01b0ng oxy l\u1ecfng c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y m\u1ea1nh).\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Quy tr\u00ecnh tr\u00ean \u0111\u00e2y nh\u1eb1m \u0111\u1ea3m b\u1ea3o vi\u1ec7c n\u1ea1p nit\u01a1 l\u1ecfng di\u1ec5n ra an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u00e0 nh\u1ea5t qu\u00e1n, b\u1ea3o v\u1ec7 c\u1ea3 nh\u00e2n vi\u00ean thao t\u00e1c l\u1eabn m\u1eabu sinh h\u1ecdc l\u01b0u tr\u1eef. Vi\u1ec7c tu\u00e2n th\u1ee7 ch\u1eb7t ch\u1ebd c\u00e1c b\u01b0\u1edbc chu\u1ea9n b\u1ecb, th\u1ef1c hi\u1ec7n v\u00e0 ki\u1ec3m tra h\u1eadu k\u1ef3 s\u1ebd gi\u1ea3m thi\u1ec3u r\u1ee7i ro tai n\u1ea1n (b\u1ecfng l\u1ea1nh, ng\u1ea1t kh\u00ed) c\u0169ng nh\u01b0 r\u1ee7i ro h\u1ecfng h\u00f3c thi\u1ebft b\u1ecb v\u00e0 m\u1eabu v\u1eadt qu\u00fd. H\u01b0\u1edbng d\u1eabn n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t v\u00e0 c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3 (theo c\u1ea3i ti\u1ebfn k\u1ef9 thu\u1eadt ho\u1eb7c thay \u0111\u1ed5i ti\u00eau chu\u1ea9n ISO\/HFEA) v\u00e0 t\u1ea5t c\u1ea3 nh\u00e2n vi\u00ean li\u00ean quan ph\u1ea3i \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n<p>\ud83d\udc49 T\u00ecm hi\u1ec3u <a href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/goi-dich-vu-bao-tri-binh-nito-long-ivf\/\">G\u00f3i d\u1ecbch v\u1ee5 b\u1ea3o tr\u00ec b\u00ecnh nit\u01a1 l\u1ecfng chuy\u00ean bi\u1ec7t cho trung t\u00e2m IVF<\/a> t\u1eeb Biogroup Vietnam<\/p>\n\n\n\n<p><strong>NGU\u1ed2N THAM KH\u1ea2O<\/strong><\/p>\n\n\n\n<p>Quy tr\u00ecnh \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t (Chart\/MVE) \u0111\u1ed1i v\u1edbi b\u00ecnh nit\u01a1 l\u1ecfng, c\u00e1c quy ph\u1ea1m an to\u00e0n cryogenic v\u00e0 khuy\u1ebfn c\u00e1o v\u1ec1 an to\u00e0n LN\u2082 trong ph\u00f2ng th\u00ed nghi\u1ec7m, k\u1ebft h\u1ee3p c\u00f9ng kinh nghi\u1ec7m v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf t\u1ea1i Biogroup Vietnam. C\u00e1c ti\u00eau chu\u1ea9n v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nh\u01b0 \u00e1p su\u1ea5t 22 psi, t\u1ed1c \u0111\u1ed9 d\u00f2ng 6\u20138 L\/ph\u00fat, y\u00eau c\u1ea7u trang b\u1ecb PPE b\u1eaft bu\u1ed9c v\u00e0 c\u00e1c n\u1ed9i dung li\u00ean quan kh\u00e1c \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng theo khuy\u1ebfn ngh\u1ecb chung nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng b\u1ed9 v\u00e0 m\u1ee9c \u0111\u1ed9 an to\u00e0n t\u1ed1i \u0111a cho quy tr\u00ecnh n\u1ea1p nit\u01a1 l\u1ecfng.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Chart Industries. (2019). <em>Liquid Cylinder Product Manual<\/em> (Part No. 10642912 Rev. P). Chart Industries, Inc. <a href=\"https:\/\/files.chartindustries.com\/10642912_Liquid_Cylinder_Product_Manual_ws.pdf\"><em>https:\/\/files.chartindustries.com\/10642912_Liquid_Cylinder_Product_Manual_ws.pdf<\/em><\/a><em>\u00a0<\/em><\/li>\n\n\n\n<li>Walker, J. V., Premannandan, H., Barrie, A., Kirkman-Brown, J. C., &amp; Newby, H. (2024). Good practice in clinical embryology laboratories: Association of Reproductive and Clinical Scientists Guidelines 2024. Reproductive BioMedicine Online, 49(6), 104102. <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1472648324002918\">https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1472648324002918<\/a>\u00a0<\/li>\n<\/ol>\n","protected":false},"featured_media":9548,"parent":0,"template":"","meta":{"_acf_changed":false},"class_list":["post-9547","service","type-service","status-publish","has-post-thumbnail","hentry","service-category-quy-trinh-huong-dan-su-dung"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quy tr\u00ecnh n\u1ea1p nit\u01a1 l\u1ecfng t\u1eeb b\u00ecnh ch\u1ee9a LN\u2082 sang b\u00ecnh l\u01b0u tr\u1eef m\u1eabu<\/title>\n<meta name=\"description\" content=\"H\u01b0\u1edbng d\u1eabn quy tr\u00ecnh n\u1ea1p nit\u01a1 l\u1ecfng (LN\u2082) t\u1eeb b\u00ecnh \u00e1p su\u1ea5t sang b\u00ecnh l\u01b0u tr\u1eef m\u1eabu sinh h\u1ecdc, tu\u00e2n th\u1ee7 ISO 20387, 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