{"id":509,"date":"2026-07-17T05:31:27","date_gmt":"2026-07-17T05:31:27","guid":{"rendered":"https:\/\/n2-compressor.com\/?p=509"},"modified":"2026-08-13T07:23:43","modified_gmt":"2026-08-13T07:23:43","slug":"nitrogen-generator-vs-nitrogen-compressor-when-to-use-each","status":"publish","type":"post","link":"https:\/\/n2-compressor.com\/vi\/nitrogen-generator-vs-nitrogen-compressor-when-to-use-each\/","title":{"rendered":"M\u00e1y t\u1ea1o kh\u00ed nit\u01a1 so v\u1edbi m\u00e1y n\u00e9n kh\u00ed nit\u01a1: Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1eebng lo\u1ea1i?"},"content":{"rendered":"
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Hi\u1ec3u r\u00f5 vai tr\u00f2 kh\u00e1c bi\u1ec7t c\u1ee7a qu\u00e1 tr\u00ecnh t\u1ea1o ra v\u00e0 n\u00e9n nit\u01a1.<\/h2>\n

H\u1ec7 th\u1ed1ng cung c\u1ea5p nit\u01a1 c\u00f4ng nghi\u1ec7p bao g\u1ed3m hai c\u00f4ng ngh\u1ec7 ho\u00e0n to\u00e0n kh\u00e1c nhau nh\u01b0ng th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn: m\u00e1y ph\u00e1t nit\u01a1, t\u1ea1o ra nit\u01a1 t\u1eeb kh\u00f4ng kh\u00ed, v\u00e0 m\u00e1y n\u00e9n nit\u01a1, n\u00e9n nit\u01a1 hi\u1ec7n c\u00f3 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh. C\u00e1c nh\u00f3m mua s\u1eafm, k\u1ef9 s\u01b0 quy tr\u00ecnh v\u00e0 qu\u1ea3n l\u00fd b\u1ea3o tr\u00ec th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh li\u1ec7u c\u01a1 s\u1edf c\u1ee7a h\u1ecd c\u1ea7n lo\u1ea1i n\u00e0y, lo\u1ea1i kia, hay c\u1ea3 hai. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p m\u1ed9t khu\u00f4n kh\u1ed5 r\u00f5 r\u00e0ng, d\u1ef1a tr\u00ean \u1ee9ng d\u1ee5ng \u0111\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: M\u00e1y t\u1ea1o kh\u00ed nit\u01a1 so v\u1edbi m\u00e1y n\u00e9n kh\u00ed nit\u01a1 \u2014 khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1eebng lo\u1ea1i?<\/strong><\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec c\u00e1c c\u00f4ng ngh\u1ec7 n\u00e0y ph\u1ee5c v\u1ee5 c\u00e1c ch\u1ee9c n\u0103ng quy tr\u00ecnh kh\u00e1c nhau, ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00e1c ph\u1ea1m vi \u00e1p su\u1ea5t v\u00e0 \u0111\u1ed9 tinh khi\u1ebft kh\u00e1c nhau, v\u00e0 \u0111\u00f2i h\u1ecfi c\u1ea5u tr\u00fac chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 v\u1eadn h\u00e0nh kh\u00e1c nhau. Vi\u1ec7c l\u1ef1a ch\u1ecdn sai c\u00f4ng ngh\u1ec7\u2014ho\u1eb7c kh\u00f4ng nh\u1eadn ra khi n\u00e0o c\u1ea7n c\u1ea3 hai c\u00f4ng ngh\u1ec7 c\u00f9ng ho\u1ea1t \u0111\u1ed9ng n\u1ed1i ti\u1ebfp\u2014d\u1eabn \u0111\u1ebfn thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh, b\u1ea5t k\u1ec3 hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng ri\u00eang l\u1ebb c\u1ee7a n\u00f3 t\u1ed1t \u0111\u1ebfn \u0111\u00e2u.<\/p>\n

\"Industrial<\/p>\n

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M\u00e1y t\u1ea1o kh\u00ed nit\u01a1 th\u1ef1c ch\u1ea5t l\u00e0m g\u00ec?<\/h2>\n

M\u00e1y t\u1ea1o kh\u00ed nit\u01a1 l\u00e0 thi\u1ebft b\u1ecb t\u00e1ch, kh\u00f4ng ph\u1ea3i thi\u1ebft b\u1ecb n\u00e9n. Ch\u00fang chi\u1ebft xu\u1ea5t nit\u01a1 t\u1eeb kh\u00f4ng kh\u00ed (ch\u1ee9a 78% nit\u01a1, 21% oxy v\u00e0 1% kh\u00ed kh\u00e1c) v\u00e0 cung c\u1ea5p d\u00f2ng kh\u00ed gi\u00e0u nit\u01a1 \u1edf \u00e1p su\u1ea5t th\u1ea5p \u0111\u1ebfn trung b\u00ecnh. Hai c\u00f4ng ngh\u1ec7 m\u00e1y t\u1ea1o kh\u00ed nit\u01a1 ch\u1ee7 \u0111\u1ea1o l\u00e0 h\u1ea5p ph\u1ee5 dao \u0111\u1ed9ng \u00e1p su\u1ea5t (PSA) v\u00e0 t\u00e1ch m\u00e0ng.<\/p>\n

M\u00e1y ph\u00e1t h\u1ea5p ph\u1ee5 dao \u0111\u1ed9ng \u00e1p su\u1ea5t (PSA)<\/h3>\n

M\u00e1y t\u1ea1o PSA s\u1eed d\u1ee5ng c\u00e1c l\u1edbp ch\u1ea5t h\u1ea5p ph\u1ee5 s\u00e0ng ph\u00e2n t\u1eed carbon (CMS) c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 \u01b0u ti\u00ean c\u00e1c ph\u00e2n t\u1eed oxy d\u01b0\u1edbi \u00e1p su\u1ea5t cao. Qu\u00e1 tr\u00ecnh n\u00e0y ho\u1ea1t \u0111\u1ed9ng theo chu k\u1ef3 lu\u00e2n phi\u00ean: m\u1ed9t l\u1edbp h\u1ea5p ph\u1ee5 oxy trong khi nit\u01a1 \u0111i qua d\u00f2ng s\u1ea3n ph\u1ea9m; l\u1edbp c\u00f2n l\u1ea1i gi\u1ea3m \u00e1p su\u1ea5t v\u00e0 lo\u1ea1i b\u1ecf oxy \u0111\u00e3 h\u1ea5p ph\u1ee5 \u0111\u1ec3 t\u00e1i t\u1ea1o s\u00e0ng. C\u00e1c van chuy\u1ec3n m\u1ea1ch lu\u00e2n phi\u00ean c\u00e1c l\u1edbp sau m\u1ed7i 30-120 gi\u00e2y.<\/p>\n

M\u00e1y t\u1ea1o kh\u00ed PSA cung c\u1ea5p kh\u00ed nit\u01a1 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft t\u1eeb 95% \u0111\u1ebfn 99,999% (5N) t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng CMS, th\u1eddi gian chu k\u1ef3 v\u00e0 t\u1ef7 l\u1ec7 s\u1ea3n ph\u1ea9m\/nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o. \u0110\u1ed9 tinh khi\u1ebft cao h\u01a1n \u0111\u00f2i h\u1ecfi nhi\u1ec1u ch\u1ea5t h\u1ea5p ph\u1ee5 h\u01a1n, th\u1eddi gian chu k\u1ef3 d\u00e0i h\u01a1n v\u00e0 t\u1ef7 l\u1ec7 thu h\u1ed3i nit\u01a1 th\u1ea5p h\u01a1n (c\u1ea7n nhi\u1ec1u kh\u00ed n\u00e9n h\u01a1n cho m\u1ed7i \u0111\u01a1n v\u1ecb s\u1ea3n ph\u1ea9m nit\u01a1). \u00c1p su\u1ea5t s\u1ea3n ph\u1ea9m \u0111i\u1ec3n h\u00ecnh l\u00e0 4-8 bar (\u00e1p su\u1ea5t d\u01b0), b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi m\u00e1y n\u00e9n kh\u00ed cung c\u1ea5p cho h\u1ec7 th\u1ed1ng PSA.<\/p>\n

M\u00e1y n\u00e9n kh\u00ed c\u1ea5p li\u1ec7u l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a h\u1ec7 th\u1ed1ng PSA. N\u00f3 n\u00e9n kh\u00f4ng kh\u00ed \u1edf \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n l\u00ean 7-10 bar, sau \u0111\u00f3 \u0111i qua c\u00e1c b\u1ed9 l\u1ecdc s\u01a1 c\u1ea5p, m\u00e1y s\u1ea5y v\u00e0 c\u00e1c l\u1edbp PSA. M\u00e1y n\u00e9n kh\u00ed c\u1ea5p li\u1ec7u chi\u1ebfm 70-80% n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 c\u1ee7a h\u1ec7 th\u1ed1ng PSA. M\u1ed9t m\u00e1y t\u1ea1o PSA c\u00f3 c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c 1.000 Nm\u00b3\/h kh\u00ed nit\u01a1 99,9% c\u00f3 th\u1ec3 c\u1ea7n 5.000-6.000 Nm\u00b3\/h kh\u00ed n\u00e9n c\u1ea5p li\u1ec7u \u1edf \u00e1p su\u1ea5t 8 bar.<\/p>\n

M\u00e1y ph\u00e1t nit\u01a1 m\u00e0ng<\/h3>\n

M\u00e1y t\u1ea1o kh\u00ed m\u00e0ng s\u1eed d\u1ee5ng m\u00e0ng polymer s\u1ee3i r\u1ed7ng c\u00f3 kh\u1ea3 n\u0103ng cho ph\u00e9p oxy, h\u01a1i n\u01b0\u1edbc v\u00e0 carbon dioxide th\u1ea5m qua nhanh h\u01a1n so v\u1edbi nit\u01a1. Kh\u00f4ng kh\u00ed n\u00e9n \u0111\u01b0\u1ee3c d\u1eabn qua c\u00e1c s\u1ee3i m\u00e0ng; oxy th\u1ea5m qua th\u00e0nh m\u00e0ng v\u00e0 \u0111\u01b0\u1ee3c th\u1ea3i ra ngo\u00e0i, trong khi kh\u00ed gi\u00e0u nit\u01a1 tho\u00e1t ra ngo\u00e0i d\u01b0\u1edbi d\u1ea1ng d\u00f2ng s\u1ea3n ph\u1ea9m.<\/p>\n

H\u1ec7 th\u1ed1ng m\u00e0ng l\u1ecdc cung c\u1ea5p \u0111\u1ed9 tinh khi\u1ebft nit\u01a1 t\u1eeb 95% \u0111\u1ebfn 99,5%, trong \u0111\u00f3 99,9% ch\u1ec9 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u1edf t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y r\u1ea5t th\u1ea5p v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t m\u00e0ng l\u1ecdc l\u1edbn. Ch\u00fang \u0111\u01a1n gi\u1ea3n h\u01a1n h\u1ec7 th\u1ed1ng PSA (kh\u00f4ng c\u00f3 van chuy\u1ec3n m\u1ea1ch, kh\u00f4ng c\u00f3 l\u1edbp h\u1ea5p ph\u1ee5) nh\u01b0ng kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 tinh khi\u1ebft nh\u01b0 h\u1ec7 th\u1ed1ng PSA. H\u1ec7 th\u1ed1ng m\u00e0ng l\u1ecdc ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed9 tinh khi\u1ebft th\u1ea5p h\u01a1n (95-99%) v\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y v\u1eeba ph\u1ea3i.<\/p>\n

C\u1ea3 m\u00e1y t\u1ea1o kh\u00ed nit\u01a1 PSA v\u00e0 m\u00e1y t\u1ea1o kh\u00ed nit\u01a1 m\u00e0ng \u0111\u1ec1u c\u1ea7n m\u00e1y n\u00e9n kh\u00ed c\u1ea5p. B\u1ea3n th\u00e2n m\u00e1y t\u1ea1o kh\u00ed kh\u00f4ng n\u00e9n nit\u01a1 m\u00e0 t\u00e1ch nit\u01a1 ra kh\u1ecfi kh\u00ed n\u00e9n. Nit\u01a1 th\u00e0nh ph\u1ea9m tho\u00e1t ra \u1edf \u00e1p su\u1ea5t g\u1ea7n nh\u01b0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi kh\u00ed c\u1ea5p, tr\u1eeb \u0111i s\u1ef1 gi\u1ea3m \u00e1p su\u1ea5t qua h\u1ec7 th\u1ed1ng t\u00e1ch. \u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng: m\u00e1y t\u1ea1o kh\u00ed t\u1ea1o ra nit\u01a1 \u1edf \u00e1p su\u1ea5t th\u1ea5p; ch\u00fang kh\u00f4ng n\u00e9n nit\u01a1 l\u00ean \u200b\u200b\u00e1p su\u1ea5t cao ph\u1ee5c v\u1ee5 cho qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n

\"LW<\/p>\n

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M\u00e1y n\u00e9n kh\u00ed nit\u01a1 th\u1ef1c ch\u1ea5t l\u00e0m g\u00ec?<\/h2>\n

M\u00e1y n\u00e9n kh\u00ed nit\u01a1 l\u00e0 thi\u1ebft b\u1ecb t\u0103ng \u00e1p su\u1ea5t, ch\u1ee9 kh\u00f4ng ph\u1ea3i thi\u1ebft b\u1ecb t\u00e1ch kh\u00ed. Ch\u00fang l\u1ea5y kh\u00ed nit\u01a1 \u0111\u00e3 c\u00f3 s\u1eb5n\u2014cho d\u00f9 t\u1eeb m\u00e1y t\u1ea1o PSA, thi\u1ebft b\u1ecb h\u00f3a h\u01a1i nit\u01a1 l\u1ecfng, \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c b\u00ecnh ch\u1ee9a\u2014v\u00e0 t\u0103ng \u00e1p su\u1ea5t c\u1ee7a n\u00f3 l\u00ean m\u1ee9c c\u1ea7n thi\u1ebft cho quy tr\u00ecnh ti\u1ebfp theo. M\u00e1y n\u00e9n kh\u00f4ng t\u1ea1o ra nit\u01a1; ch\u00fang ch\u1ec9 t\u0103ng \u00e1p su\u1ea5t cho n\u00f3.<\/p>\n

M\u00e1y n\u00e9n ki\u1ec3u piston (ki\u1ec3u chuy\u1ec3n \u0111\u1ed9ng t\u1ecbnh ti\u1ebfn):<\/strong> C\u00e1c m\u00e1y n\u00e9n n\u00e0y h\u00fat nit\u01a1 v\u00e0o xi lanh, n\u00e9n n\u00f3 b\u1eb1ng c\u00e1ch d\u1ecbch chuy\u1ec3n p\u00edt t\u00f4ng, v\u00e0 x\u1ea3 ra \u1edf \u00e1p su\u1ea5t cao. C\u00e1c m\u00e1y m\u1ed9t c\u1ea5p \u0111\u1ea1t \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t 10-40 bar; c\u00e1c m\u00e1y nhi\u1ec1u c\u1ea5p \u0111\u1ea1t \u0111\u01b0\u1ee3c 200-300 bar. Ch\u00fang l\u00e0 nh\u1eefng thi\u1ebft b\u1ecb ch\u1ee7 l\u1ef1c trong vi\u1ec7c n\u00e9n nit\u01a1 \u00e1p su\u1ea5t cao, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 n\u1ea1p \u0111\u1ea7y xi lanh, c\u1eaft laser v\u00e0 phun \u00e1p su\u1ea5t cao trong c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 ho\u00e0n thi\u1ec7n, \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5 v\u00e0 c\u00f3 c\u1ea3 phi\u00ean b\u1ea3n b\u00f4i tr\u01a1n b\u1eb1ng d\u1ea7u v\u00e0 kh\u00f4ng d\u1ea7u.<\/p>\n

M\u00e1y n\u00e9n tr\u1ee5c v\u00edt (quay):<\/strong> C\u00e1c m\u00e1y n\u00e9n n\u00e0y s\u1eed d\u1ee5ng r\u00f4to xo\u1eafn \u1ed1c \u0103n kh\u1edbp \u0111\u1ec3 n\u00e9n nit\u01a1 li\u00ean t\u1ee5c. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 \u1edf \u00e1p su\u1ea5t trung b\u00ecnh (4-40 bar) v\u00e0 l\u01b0u l\u01b0\u1ee3ng cao (1.000-20.000+ Nm\u00b3\/h), cung c\u1ea5p kh\u00ed x\u1ea3 \u00eam \u00e1i, kh\u00f4ng xung \u0111\u1ed9ng, l\u00fd t\u01b0\u1edfng cho vi\u1ec7c t\u0103ng \u00e1p \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 cung c\u1ea5p cho c\u00e1c quy tr\u00ecnh quy m\u00f4 l\u1edbn. M\u00e1y n\u00e9n tr\u1ee5c v\u00edt c\u00f3 d\u1ea7u b\u00f4i tr\u01a1n mang l\u1ea1i hi\u1ec7u su\u1ea5t cao nh\u1ea5t trong ph\u1ea1m vi n\u00e0y; m\u00e1y n\u00e9n tr\u1ee5c v\u00edt kh\u00f4ng d\u1ea7u ph\u1ee5c v\u1ee5 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n

M\u00e1y n\u00e9n m\u00e0ng:<\/strong> C\u00e1c m\u00e1y n\u00e9n n\u00e0y s\u1eed d\u1ee5ng m\u00e0ng ch\u1eafn kim lo\u1ea1i \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ed9ng b\u1eb1ng d\u1ea7u th\u1ee7y l\u1ef1c \u0111\u1ec3 n\u00e9n kh\u00ed nit\u01a1 trong m\u1ed9t bu\u1ed3ng k\u00edn. Ch\u00fang cung c\u1ea5p kh\u1ea3 n\u0103ng n\u00e9n ho\u00e0n to\u00e0n kh\u00f4ng d\u1ea7u v\u1edbi nguy c\u01a1 \u00f4 nhi\u1ec5m b\u1eb1ng kh\u00f4ng, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh thi\u1ebft b\u1ecb b\u1eaft bu\u1ed9c cho c\u00e1c \u1ee9ng d\u1ee5ng d\u01b0\u1ee3c ph\u1ea9m, \u0111i\u1ec7n t\u1eed v\u00e0 si\u00eau tinh khi\u1ebft. Kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t \u0111\u1ea1t t\u1edbi 200 bar, nh\u01b0ng l\u01b0u l\u01b0\u1ee3ng b\u1ecb gi\u1edbi h\u1ea1n \u1edf m\u1ee9c 1.000 Nm\u00b3\/h ho\u1eb7c th\u1ea5p h\u01a1n.<\/p>\n

M\u00e1y n\u00e9n ly t\u00e2m:<\/strong> C\u00e1c m\u00e1y n\u00e9n n\u00e0y s\u1eed d\u1ee5ng c\u00e1nh qu\u1ea1t t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 t\u0103ng t\u1ed1c nit\u01a1, chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed9ng n\u0103ng th\u00e0nh \u00e1p su\u1ea5t trong b\u1ed9 khu\u1ebfch t\u00e1n. Ch\u00fang x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng l\u1edbn (5.000-100.000+ Nm\u00b3\/h) \u1edf \u00e1p su\u1ea5t v\u1eeba ph\u1ea3i (10-80 bar) v\u1edbi hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i t\u1ea1i \u0111i\u1ec3m thi\u1ebft k\u1ebf. M\u00e1y n\u00e9n ly t\u00e2m chi\u1ebfm \u01b0u th\u1ebf trong t\u1ed5ng h\u1ee3p amoniac, cung c\u1ea5p nit\u01a1 cho nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u v\u00e0 h\u1ec7 th\u1ed1ng bao ph\u1ee7 kh\u00ed nit\u01a1 cho c\u00e1c nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t l\u1edbn.<\/p>\n

Ch\u1ee9c n\u0103ng thi\u1ebft y\u1ebfu c\u1ee7a m\u1ecdi m\u00e1y n\u00e9n kh\u00ed nit\u01a1 l\u00e0 n\u00e2ng cao \u00e1p su\u1ea5t. Cho d\u00f9 ngu\u1ed3n nit\u01a1 \u0111\u1ebfn t\u1eeb m\u00e1y ph\u00e1t \u0111i\u1ec7n, thi\u1ebft b\u1ecb h\u00f3a h\u01a1i hay \u0111\u01b0\u1eddng \u1ed1ng, m\u00e1y n\u00e9n s\u1ebd n\u00e2ng cao \u00e1p su\u1ea5t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh. Kh\u00f4ng c\u00f3 m\u00e1y ph\u00e1t \u0111i\u1ec7n n\u00e0o c\u00f3 th\u1ec3 thay th\u1ebf m\u00e1y n\u00e9n khi c\u1ea7n nit\u01a1 \u00e1p su\u1ea5t cao; kh\u00f4ng c\u00f3 m\u00e1y n\u00e9n n\u00e0o c\u00f3 th\u1ec3 thay th\u1ebf m\u00e1y ph\u00e1t \u0111i\u1ec7n khi c\u1ea7n s\u1ea3n xu\u1ea5t nit\u01a1 t\u1ea1i ch\u1ed7.<\/p>\n

\"DW<\/p>\n

<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t then ch\u1ed1t: \u0110\u1ed9 tinh khi\u1ebft, \u00e1p su\u1ea5t v\u00e0 l\u01b0u l\u01b0\u1ee3ng<\/h2>\n

M\u00e1y ph\u00e1t v\u00e0 m\u00e1y n\u00e9n gi\u1ea3i quy\u1ebft c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a vi\u1ec7c cung c\u1ea5p nit\u01a1. Hi\u1ec3u r\u00f5 v\u1ecb tr\u00ed ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed7i c\u00f4ng ngh\u1ec7 tr\u00ean ph\u1ed5 \u0111\u1ed9 tinh khi\u1ebft-\u00e1p su\u1ea5t-l\u01b0u l\u01b0\u1ee3ng s\u1ebd gi\u00fap x\u00e1c \u0111\u1ecbnh khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1eebng c\u00f4ng ngh\u1ec7.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
Tham s\u1ed1<\/th>\nM\u00e1y ph\u00e1t \u0111i\u1ec7n nit\u01a1 (PSA)<\/th>\nM\u00e1y n\u00e9n kh\u00ed nit\u01a1<\/th>\n<\/tr>\n<\/thead>\n
Ch\u1ee9c n\u0103ng ch\u00ednh<\/td>\nT\u00e1ch nit\u01a1 ra kh\u1ecfi kh\u00f4ng kh\u00ed<\/td>\nN\u00e9n kh\u00ed nit\u01a1 hi\u1ec7n c\u00f3<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111\u1ed9 tinh khi\u1ebft<\/td>\n95% \u2013 99.999%<\/td>\nDuy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u01b0\u1edbc \u0111\u1ea7u v\u00e0o (kh\u00f4ng l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 tinh khi\u1ebft)<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u00e1p su\u1ea5t<\/td>\n4 \u2013 8 bar (gi\u1edbi h\u1ea1n b\u1edfi m\u00e1y n\u00e9n kh\u00ed c\u1ea5p)<\/td>\n10 \u2013 300 bar (t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7)<\/td>\n<\/tr>\n
Ph\u1ea1m vi l\u01b0u l\u01b0\u1ee3ng<\/td>\n50 \u2013 5.000 Nm\u00b3\/h (PSA)<\/td>\n10 \u2013 100.000+ Nm\u00b3\/h (t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7)<\/td>\n<\/tr>\n
Ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng<\/td>\n0,25 \u2013 0,45 kWh\/Nm\u00b3 (bao g\u1ed3m c\u1ea3 n\u00e9n kh\u00ed c\u1ea5p)<\/td>\n0,15 \u2013 0,30 kWh\/Nm\u00b3 (t\u00f9y thu\u1ed9c v\u00e0o t\u1ef7 l\u1ec7 \u00e1p su\u1ea5t)<\/td>\n<\/tr>\n
Chi ph\u00ed v\u1ed1n<\/td>\nM\u1ee9c \u0111\u1ed9 v\u1eeba ph\u1ea3i ($50,000 \u2013 $500,000 \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p)<\/td>\nGi\u00e1 th\u00e0nh c\u00f3 th\u1ec3 thay \u0111\u1ed5i ($20,000 \u2013 $2,000,000+ t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7 v\u00e0 dung l\u01b0\u1ee3ng)<\/td>\n<\/tr>\n
C\u01b0\u1eddng \u0111\u1ed9 b\u1ea3o tr\u00ec<\/td>\nM\u1ee9c \u0111\u1ed9 b\u1ea3o tr\u00ec trung b\u00ecnh (b\u1ea3o tr\u00ec van, thay th\u1ebf v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5 sau m\u1ed7i 5-10 n\u0103m)<\/td>\nCao (van, v\u00f2ng, b\u1ea1c \u0111\u1ea1n, gio\u0103ng c\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf th\u01b0\u1eddng xuy\u00ean)<\/td>\n<\/tr>\n
R\u1ee7i ro \u00f4 nhi\u1ec5m d\u1ea7u<\/td>\nTh\u1ea5p (m\u00e1y n\u00e9n kh\u00ed c\u1ea5p li\u1ec7u l\u00e0 ngu\u1ed3n d\u1ea7u duy nh\u1ea5t; c\u00f3 c\u00e1c t\u00f9y ch\u1ecdn kh\u00f4ng c\u1ea7n d\u1ea7u)<\/td>\nBi\u1ebfn \u0111\u1ed5i (c\u00f4ng ngh\u1ec7 m\u00e1y n\u00e9n c\u00f3 b\u00f4i tr\u01a1n d\u1ea7u so v\u1edbi c\u00f4ng ngh\u1ec7 m\u00e1y n\u00e9n kh\u00f4ng d\u1ea7u)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

B\u1ea3ng tr\u00ean cho th\u1ea5y s\u1ef1 b\u1ed5 sung c\u01a1 b\u1ea3n gi\u1eefa hai c\u00f4ng ngh\u1ec7: m\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1ea1o ra nit\u01a1 \u1edf \u00e1p su\u1ea5t th\u1ea5p v\u00e0 \u0111\u1ed9 tinh khi\u1ebft v\u1eeba ph\u1ea3i; m\u00e1y n\u00e9n kh\u00ed n\u00e9n nit\u01a1 l\u00ean \u200b\u200b\u00e1p su\u1ea5t cao trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft. M\u1ed9t quy tr\u00ecnh y\u00eau c\u1ea7u nit\u01a1 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft 99,91 TP3T \u1edf \u00e1p su\u1ea5t 100 bar c\u1ea7n c\u1ea3 hai c\u00f4ng ngh\u1ec7 n\u00e0y ho\u1ea1t \u0111\u1ed9ng n\u1ed1i ti\u1ebfp nhau\u2014m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u1ec3 s\u1ea3n xu\u1ea5t nit\u01a1 v\u00e0 m\u1ed9t m\u00e1y n\u00e9n kh\u00ed \u0111\u1ec3 n\u00e2ng \u00e1p su\u1ea5t l\u00ean m\u1ee9c c\u1ea7n thi\u1ebft. M\u1ed9t quy tr\u00ecnh y\u00eau c\u1ea7u nit\u01a1 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft 99,51 TP3T \u1edf \u00e1p su\u1ea5t 6 bar \u0111\u1ec3 bao ph\u1ee7 th\u00f9ng ch\u1ee9a c\u00f3 th\u1ec3 ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng m\u00e1y ph\u00e1t \u0111i\u1ec7n. M\u1ed9t quy tr\u00ecnh y\u00eau c\u1ea7u nit\u01a1 \u1edf \u00e1p su\u1ea5t 200 bar t\u1eeb ngu\u1ed3n cung c\u1ea5p \u0111\u01b0\u1eddng \u1ed1ng ch\u1ec9 c\u1ea7n m\u1ed9t m\u00e1y n\u00e9n kh\u00ed.<\/p>\n

\"ZW<\/p>\n

<\/p>\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng m\u00e1y t\u1ea1o kh\u00ed nit\u01a1 \u0111\u01a1n \u0111\u1ed9c?<\/h2>\n

M\u00e1y t\u1ea1o kh\u00ed nit\u01a1 kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng n\u00e9n ph\u00eda sau l\u00e0 ph\u00f9 h\u1ee3p khi c\u00e1c y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh n\u1eb1m trong ph\u1ea1m vi kh\u1ea3 n\u0103ng v\u1ed1n c\u00f3 c\u1ee7a m\u00e1y: \u00e1p su\u1ea5t d\u01b0\u1edbi 8 bar, \u0111\u1ed9 tinh khi\u1ebft \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p PSA ho\u1eb7c t\u00e1ch m\u00e0ng, v\u00e0 l\u01b0u l\u01b0\u1ee3ng n\u1eb1m trong c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u00e1y.<\/p>\n

Ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7 t\u1ed5ng th\u1ec3 cho t\u00e0u:<\/strong> C\u00e1c b\u1ec3 ch\u1ee9a ch\u1ea5t l\u1ecfng d\u1ec5 ch\u00e1y, h\u00f3a ch\u1ea5t nh\u1ea1y c\u1ea3m v\u00e0 v\u1eadt li\u1ec7u h\u00fat \u1ea9m c\u1ea7n \u0111\u01b0\u1ee3c bao ph\u1ee7 b\u1eb1ng kh\u00ed nit\u01a1 \u1edf \u00e1p su\u1ea5t cao h\u01a1n \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n t\u1eeb 0,1-0,5 bar \u0111\u1ec3 ng\u0103n kh\u00f4ng kh\u00ed x\u00e2m nh\u1eadp. M\u00e1y t\u1ea1o kh\u00ed PSA cung c\u1ea5p kh\u00ed nit\u01a1 99,5% \u1edf \u00e1p su\u1ea5t 6 bar t\u1ea1o ra \u00e1p su\u1ea5t \u0111\u1ee7 cho \u1ee9ng d\u1ee5ng n\u00e0y. Y\u00eau c\u1ea7u \u00e1p su\u1ea5t th\u1ea5p gi\u00fap lo\u1ea1i b\u1ecf nhu c\u1ea7u n\u00e9n kh\u00ed \u1edf ph\u00eda h\u1ea1 l\u01b0u. \u0110\u1ed9 tinh khi\u1ebft 99,5% \u0111\u1ee7 \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 nhi\u1ec5m b\u1ea9n oxy c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng ho\u1eb7c nguy c\u01a1 ch\u00e1y n\u1ed5.<\/p>\n

Ph\u00f2ng ch\u1ed1ng ch\u00e1y v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u tr\u01a1:<\/strong> C\u00e1c kh\u00f4ng gian k\u00edn, silo v\u00e0 thi\u1ebft b\u1ecb x\u1eed l\u00fd c\u1ea7n \u0111\u01b0\u1ee3c s\u1ee5c kh\u00ed nit\u01a1 \u0111\u1ec3 gi\u1ea3m n\u1ed3ng \u0111\u1ed9 oxy xu\u1ed1ng d\u01b0\u1edbi gi\u1edbi h\u1ea1n ch\u00e1y (th\u01b0\u1eddng l\u00e0 8-10% oxy). M\u00e1y t\u1ea1o kh\u00ed PSA s\u1ea3n xu\u1ea5t nit\u01a1 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft 95-98% \u1edf \u00e1p su\u1ea5t 6-8 bar l\u00e0 l\u00fd t\u01b0\u1edfng cho \u1ee9ng d\u1ee5ng n\u00e0y. \u0110\u1ed9 tinh khi\u1ebft v\u1eeba ph\u1ea3i v\u00e0 y\u00eau c\u1ea7u \u00e1p su\u1ea5t th\u1ea5p ph\u00f9 h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng c\u1ee7a m\u00e1y t\u1ea1o kh\u00ed m\u00e0 kh\u00f4ng c\u1ea7n n\u00e9n.<\/p>\n

H\u1ec7 th\u1ed1ng v\u1eadn chuy\u1ec3n kh\u00ed n\u00e9n t\u1ed5ng qu\u00e1t:<\/strong> H\u1ec7 th\u1ed1ng v\u1eadn chuy\u1ec3n b\u1ed9t v\u00e0 h\u1ea1t s\u1eed d\u1ee5ng nit\u01a1 l\u00e0m kh\u00ed mang \u1edf \u00e1p su\u1ea5t 2-6 bar. Y\u00eau c\u1ea7u \u00e1p su\u1ea5t n\u1eb1m trong kh\u1ea3 n\u0103ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n, v\u00e0 \u0111\u1ed9 tinh khi\u1ebft 99,5% ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxy h\u00f3a s\u1ea3n ph\u1ea9m ho\u1eb7c h\u1ea5p th\u1ee5 h\u01a1i \u1ea9m. Kh\u00f4ng c\u1ea7n m\u00e1y n\u00e9n n\u1ebfu h\u1ec7 th\u1ed1ng v\u1eadn chuy\u1ec3n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1eb7c t\u00ednh \u00e1p su\u1ea5t v\u00e0 l\u01b0u l\u01b0\u1ee3ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n.<\/p>\n

Bao b\u00ec th\u1ef1c ph\u1ea9m \u00e1p su\u1ea5t th\u1ea5p:<\/strong> M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng MAP s\u1eed d\u1ee5ng nit\u01a1 \u1edf \u00e1p su\u1ea5t 4-6 bar \u0111\u1ec3 s\u00fac r\u1eeda v\u00e0 tr\u1ed9n kh\u00ed. M\u00e1y t\u1ea1o PSA c\u00f3 \u0111\u1ed9 tinh khi\u1ebft 99,5-99,9% \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. Tuy nhi\u00ean, c\u00e1c d\u00e2y chuy\u1ec1n \u0111\u00f3ng g\u00f3i \u00e1p su\u1ea5t cao h\u01a1n (tr\u00ean 8 bar) ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u b\u01a1m kh\u00ed nhanh c\u00f3 th\u1ec3 c\u1ea7n n\u00e9n kh\u00ed \u1edf ph\u00eda h\u1ea1 l\u01b0u \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y \u0111\u1ee7.<\/p>\n

L\u00fd do kinh t\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng ch\u1ec9 d\u1ef1a v\u00e0o m\u00e1y ph\u00e1t \u0111i\u1ec7n l\u00e0 thuy\u1ebft ph\u1ee5c nh\u1ea5t khi:<\/p>\n