![\"M\u00e1y](\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2026\/06\/May-Say-Khi-Giup-Tang-Tuoi-Tho-May-Nen-Khi-Ra-Sao.webp\")
<\/a>M\u00e1y S\u1ea5y Kh\u00ed Gi\u00fap T\u0103ng Tu\u1ed5i Th\u1ecd M\u00e1y N\u00e9n Kh\u00ed Ra Sao<\/p><\/div>\n
M\u00e1y S\u1ea5y Kh\u00ed<\/a> Gi\u00fap T\u0103ng Tu\u1ed5i Th\u1ecd Air Compressor<\/a> Ra Sao?<\/h2>\n\u0110\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u01a1 ch\u1ebf m\u00e1y s\u1ea5y kh\u00ed b\u1ea3o v\u1ec7 ng\u01b0\u1ee3c l\u1ea1i m\u00e1y n\u00e9n kh\u00ed, ch\u00fang ta c\u1ea7n nh\u00ecn nh\u1eadn h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n nh\u01b0 m\u1ed9t v\u00f2ng tu\u1ea7n ho\u00e0n \u00e1p su\u1ea5t \u0111\u00f3ng. B\u1ea5t k\u1ef3 m\u1ed9t \u0111i\u1ec3m ngh\u1ebdn hay s\u1ef1 c\u1ed1 n\u00e0o x\u1ea3y ra \u1edf ph\u00eda sau \u0111\u1ec1u t\u1ea1o ra xung l\u1ef1c ph\u1ea3n h\u1ed3i (Feedback force) t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp l\u00ean ngu\u1ed3n ph\u00e1t.<\/p>\n
S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a m\u1ed9t m\u00e1y s\u1ea5y kh\u00ed \u0111\u1ea1t chu\u1ea9n s\u1ebd gi\u00fap t\u0103ng tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y n\u00e9n kh\u00ed th\u00f4ng qua c\u00e1c c\u01a1 ch\u1ebf k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i sau:<\/p>\n
1. Gi\u1ea3m \u00c1p Su\u1ea5t L\u00e0m Vi\u1ec7c Th\u1ef1c T\u1ebf \u2013 H\u1ea1 T\u1ea3i Cho \u0110\u1ea7u N\u00e9n (Air End)<\/h2>\n
\u0110\u1ea7u n\u00e9n tr\u1ee5c v\u00edt ho\u1eb7c piston l\u00e0 b\u1ed9 ph\u1eadn \u0111\u1eaft gi\u00e1 nh\u1ea5t v\u00e0 ch\u1ecbu l\u1ef1c ma s\u00e1t l\u1edbn nh\u1ea5t c\u1ee7a m\u00e1y n\u00e9n kh\u00ed. Tu\u1ed5i th\u1ecd c\u1ee7a v\u00f2ng bi v\u00e0 c\u1eb7p tr\u1ee5c v\u00edt ph\u1ee5 thu\u1ed9c t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00e0 n\u00f3 ph\u1ea3i sinh ra.<\/p>\n
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Khi h\u1ec7 th\u1ed1ng kh\u00f4ng c\u00f3 m\u00e1y s\u1ea5y kh\u00ed:<\/b> H\u01a1i n\u01b0\u1edbc b\u00e3o h\u00f2a ng\u01b0ng t\u1ee5 th\u00e0nh c\u00e1c v\u0169ng n\u01b0\u1edbc l\u1ecfng n\u1eb1m r\u1ea3i r\u00e1c trong l\u00f2ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed c\u1ee7a nh\u00e0 x\u01b0\u1edfng. Nh\u1eefng v\u0169ng n\u01b0\u1edbc n\u00e0y l\u00e0m thu h\u1eb9p ti\u1ebft di\u1ec7n d\u00f2ng ch\u1ea3y, t\u1ea1o ra m\u1ed9t l\u1ef1c c\u1ea3n \u0111\u01b0\u1eddng truy\u1ec1n c\u1ef1c l\u1edbn (hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t \u00e1p – Pressure Drop). \u0110\u1ec3 \u00e1p su\u1ea5t \u1edf cu\u1ed1i ph\u00e2n x\u01b0\u1edfng \u0111\u1ea1t m\u1ee9c 6 bar cho m\u00e1y m\u00f3c ho\u1ea1t \u0111\u1ed9ng, k\u1ef9 thu\u1eadt vi\u00ean b\u1eaft bu\u1ed9c ph\u1ea3i c\u00e0i \u0111\u1eb7t \u00e1p su\u1ea5t \u0111\u1ea7u ra t\u1ea1i m\u00e1y n\u00e9n kh\u00ed l\u00ean cao h\u01a1n, th\u00f4ng th\u01b0\u1eddng l\u00e0 7.5 bar ho\u1eb7c 8 bar \u0111\u1ec3 b\u00f9 v\u00e0o ph\u1ea7n hao h\u1ee5t do n\u01b0\u1edbc c\u1ea3n tr\u1edf.<\/p>\n<\/li>\n- \n
T\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00e1y s\u1ea5y kh\u00ed:<\/b> B\u1eb1ng c\u00e1ch r\u00fat ki\u1ec7t h\u01a1i n\u01b0\u1edbc, m\u00e1y s\u1ea5y kh\u00ed gi\u1eef cho l\u00f2ng \u1ed1ng lu\u00f4n kh\u00f4 r\u00e1o v\u00e0 th\u00f4ng tho\u00e1ng tuy\u1ec7t \u0111\u1ed1i. Hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t \u00e1p b\u1ecb tri\u1ec7t ti\u00eau, cho ph\u00e9p m\u00e1y n\u00e9n kh\u00ed ch\u1ec9 c\u1ea7n ch\u1ea1y \u1edf m\u1ee9c \u00e1p su\u1ea5t v\u1eeba \u0111\u1ee7 (v\u00ed d\u1ee5 6.5 bar).<\/p>\n<\/li>\n<\/ul>\n\nH\u1ec7 qu\u1ea3 k\u1ef9 thu\u1eadt:<\/b> Theo t\u00ednh to\u00e1n nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc, khi \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y n\u00e9n kh\u00ed gi\u1ea3m \u0111i 1 bar, t\u1ea3i tr\u1ecdng c\u01a1 kh\u00ed t\u00e1c \u0111\u1ed9ng l\u00ean v\u00f2ng bi tr\u1ee5c v\u00edt gi\u1ea3m \u0111\u00e1ng k\u1ec3, nhi\u1ec7t \u0111\u1ed9 sinh ra t\u1ea1i \u0111\u1ea7u n\u00e9n h\u1ea1 xu\u1ed1ng t\u1eeb $3^{\\circ}C – 5^{\\circ}C$<\/span>. \u0110i\u1ec1u n\u00e0y gi\u00fap d\u1ea7u l\u00e0m m\u00e1t kh\u00f4ng b\u1ecb bi\u1ebfn t\u00ednh, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u1ee5m tr\u1ee5c v\u00edt (Air End) th\u00eam t\u1eeb 30% \u0111\u1ebfn 40% tr\u01b0\u1edbc khi c\u1ea7n \u0111\u1ea1i tu.<\/p>\n<\/blockquote>\nT\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p m\u00e1y n\u00e9n kh\u00ed v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p t\u1ea1i Phuc Hung Technology Co., Ltd.<\/a><\/span>.<\/p>\n2. Tri\u1ec7t Ti\u00eau Chu K\u1ef3 \u0110\u00f3ng\/C\u1eaft Li\u00ean T\u1ee5c \u2013 B\u1ea3o V\u1ec7 \u0110\u1ed9ng C\u01a1 V\u00e0 Van C\u1ed5 H\u00fat<\/h2>\n
M\u1ed9t trong nh\u1eefng t\u00e1c nh\u00e2n h\u00e0ng \u0111\u1ea7u ph\u00e1 h\u1ee7y h\u1ec7 th\u1ed1ng c\u01a1-\u0111i\u1ec7n c\u1ee7a m\u00e1y n\u00e9n kh\u00ed l\u00e0 t\u1ea7n su\u1ea5t \u0110\u00f3ng\/C\u1eaft (Load\/Unload ho\u1eb7c Start\/Stop) qu\u00e1 d\u00e0y \u0111\u1eb7c trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn (hi\u1ec7n t\u01b0\u1ee3ng Over-cycling).<\/p>\n
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C\u01a1 ch\u1ebf g\u00e2y h\u1ecfng h\u00f3c do n\u01b0\u1edbc:<\/b> Khi n\u01b0\u1edbc l\u1ecfng chi\u1ebfm d\u1ee5ng th\u1ec3 t\u00edch b\u00ean trong c\u00e1c b\u00ecnh t\u00edch \u00e1p v\u00e0 tr\u1ee5c \u0111\u01b0\u1eddng \u1ed1ng, kho\u1ea3ng kh\u00f4ng gian th\u1ef1c t\u1ebf d\u00e0nh cho kh\u00ed n\u00e9n b\u1ecb thu h\u1eb9p l\u1ea1i. H\u1ec7 th\u1ed1ng r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i “dung t\u00edch \u1ea3o”. Khi nh\u00e0 m\u00e1y ti\u00eau th\u1ee5 kh\u00ed, \u00e1p su\u1ea5t trong \u0111\u01b0\u1eddng \u1ed1ng t\u1ee5t r\u1ea5t nhanh do th\u1ec3 t\u00edch kh\u00ed d\u1ef1 tr\u1eef \u00edt (b\u1ecb n\u01b0\u1edbc chi\u1ebfm ch\u1ed7). M\u00e1y n\u00e9n kh\u00ed l\u1eadp t\u1ee9c ph\u1ea3i chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 T\u1ea3i (Load). Ngay sau \u0111\u00f3, khi nhu c\u1ea7u d\u1eebng l\u1ea1i, \u00e1p su\u1ea5t l\u1ea1i t\u0103ng v\u1ecdt l\u00ean m\u1ee9c ng\u1eaft, \u00e9p m\u00e1y n\u00e9n chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 Kh\u00f4ng t\u1ea3i (Unload).<\/p>\n<\/li>\n- \n
T\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00e1y s\u1ea5y kh\u00ed:<\/b> \u0110\u1ea3m b\u1ea3o to\u00e0n b\u1ed9 dung t\u00edch c\u1ee7a b\u00ecnh t\u00edch \u00e1p v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c khai th\u00e1c 100% \u0111\u1ec3 ch\u1ee9a kh\u00ed n\u00e9n kh\u00f4. H\u1ec7 th\u1ed1ng c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u00e1p su\u1ea5t cao, bi\u00ean \u0111\u1ed9 \u00e1p su\u1ea5t co gi\u00e3n nh\u1ecbp nh\u00e0ng.<\/p>\n<\/li>\n<\/ul>\n
Nh\u1edd c\u00f3 m\u00e1y s\u1ea5y kh\u00ed, m\u00e1y n\u00e9n kh\u00ed kh\u00f4ng ph\u1ea3i th\u1ef1c hi\u1ec7n chu k\u1ef3 \u0110\u00f3ng\/C\u1eaft li\u00ean t\u1ee5c. Vi\u1ec7c n\u00e0y tr\u1ef1c ti\u1ebfp b\u1ea3o v\u1ec7 hai b\u1ed9 ph\u1eadn quan tr\u1ecdng:<\/p>\n
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Van c\u1ed5 h\u00fat (Intake Valve):<\/b> B\u1ed9 ph\u1eadn n\u00e0y ph\u1ea3i \u0111\u00f3ng m\u1edf c\u01a1 h\u1ecdc li\u00ean t\u1ee5c \u0111\u1ec3 \u0111i\u1ec1u ti\u1ebft l\u01b0\u1ee3ng kh\u00ed v\u00e0o. Gi\u1ea3m chu k\u1ef3 \u0110\u00f3ng\/C\u1eaft gi\u00fap l\u00f2 xo v\u00e0 l\u00e1 van kh\u00f4ng b\u1ecb m\u1ecfi c\u01a1 l\u00fd thuy\u1ebft, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd van.<\/p>\n<\/li>\n- \n
H\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00e0 \u0110\u1ed9ng c\u01a1 ch\u00ednh:<\/b> M\u1ed7i l\u1ea7n m\u00e1y n\u00e9n chuy\u1ec3n t\u1eeb Unload sang Load, d\u00f2ng \u0111i\u1ec7n s\u1ebd t\u0103ng v\u1ecdt (d\u00f2ng kh\u1edfi \u0111\u1ed9ng). Gi\u1ea3m t\u1ea7n su\u1ea5t \u0111\u00f3ng c\u1eaft gi\u00fap kh\u1edfi \u0111\u1ed9ng t\u1eeb (Contactor) trong t\u1ee7 \u0111i\u1ec7n kh\u00f4ng b\u1ecb ch\u00e1y ti\u1ebfp \u0111i\u1ec3m v\u00e0 cu\u1ed9n d\u00e2y \u0111\u1ed9ng c\u01a1 kh\u00f4ng b\u1ecb qu\u00e1 nhi\u1ec7t, ng\u0103n ng\u1eeba nguy c\u01a1 om d\u00e2y, ch\u00e1y \u0111\u1ed9ng c\u01a1.<\/p>\n<\/li>\n<\/ul>\n3. B\u1ea3o V\u1ec7 H\u1ec7 Th\u1ed1ng Van \u0110i\u1ec1u Khi\u1ec3n Kh\u00ed M\u1ed3i (Pilot Air) C\u1ee7a Ch\u00ednh M\u00e1y N\u00e9n<\/h2>\n
Nhi\u1ec1u ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng r\u1eb1ng kh\u00ed n\u00e9n \u0111i ra kh\u1ecfi m\u00e1y n\u00e9n kh\u00ed l\u00e0 \u0111i th\u1eb3ng ra nh\u00e0 x\u01b0\u1edfng. Th\u1ef1c t\u1ebf, m\u1ed9t ph\u1ea7n kh\u00ed n\u00e9n th\u00e0nh ph\u1ea9m sau b\u00ecnh t\u00e1ch d\u1ea7u s\u1ebd \u0111\u01b0\u1ee3c tr\u00edch ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ec3 l\u00e0m “kh\u00ed m\u1ed3i” (Pilot Air) ph\u1ee5c v\u1ee5 cho h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng c\u1ee7a ch\u00ednh n\u00f3.<\/p>\n
Lu\u1ed3ng kh\u00ed m\u1ed3i n\u00e0y \u0111i\u1ec1u khi\u1ec3n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van c\u1ed5 h\u00fat, van \u00e1p su\u1ea5t t\u1ed1i thi\u1ec3u (Minimum Pressure Valve), v\u00e0 c\u00e1c c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t n\u1ed9i b\u1ed9. N\u1ebfu tr\u1ea1m ngu\u1ed3n kh\u00f4ng c\u00f3 m\u00e1y s\u1ea5y kh\u00ed ho\u1eb7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1eafp \u0111\u1eb7t sai (\u0111\u01b0a kh\u00ed \u1ea9m tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n tr\u01b0\u1edbc khi qua m\u00e1y s\u1ea5y), h\u01a1i n\u01b0\u1edbc v\u00e0 c\u1eb7n d\u1ecbch s\u1ebd l\u1ecdt v\u00e0o c\u00e1c van Solenoid nh\u1ecf b\u00ean trong m\u00e1y n\u00e9n.<\/p>\n
N\u01b0\u1edbc l\u00e0m r\u1ec9 s\u00e9t l\u00f5i p\u00edt-t\u00f4ng \u0111i\u1ec7n t\u1eeb, l\u00e0m tr\u01b0\u01a1ng n\u1edf c\u00e1c gio\u0103ng cao su vi m\u00f4. H\u1eadu qu\u1ea3 l\u00e0 m\u00e1y n\u00e9n kh\u00ed s\u1ebd g\u1eb7p c\u00e1c l\u1ed7i k\u1ef9 thu\u1eadt nh\u01b0: kh\u00f4ng l\u00ean t\u1ea3i \u0111\u01b0\u1ee3c, kh\u00f4ng x\u1ea3 \u00e1p \u0111\u01b0\u1ee3c khi d\u1eebng m\u00e1y, ho\u1eb7c c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t g\u1eedi t\u00edn hi\u1ec7u sai l\u1ec7ch v\u1ec1 bo m\u1ea1ch PLC g\u00e2y l\u1ed7i d\u1eebng m\u00e1y \u0111\u1ed9t ng\u1ed9t. M\u00e1y s\u1ea5y kh\u00ed cung c\u1ea5p ngu\u1ed3n kh\u00ed tr\u01a1 kh\u00f4 r\u00e1o, gi\u1eef cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n c\u1ee7a m\u00e1y n\u00e9n lu\u00f4n ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 b\u1ec1n b\u1ec9.<\/p>\n
4. Ng\u0103n Ch\u1eb7n Hi\u1ec7n T\u01b0\u1ee3ng N\u01b0\u1edbc Ng\u01b0ng T\u1ee5 Ch\u1ea3y Ng\u01b0\u1ee3c (Back-flow)<\/h2>\n
Trong c\u00e1c h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n c\u00f4ng nghi\u1ec7p kh\u00f4ng trang b\u1ecb Air dryer<\/a> ho\u1eb7c van m\u1ed9t chi\u1ec1u \u0111\u1ea7u ra b\u1ecb h\u1edf, khi m\u00e1y n\u00e9n kh\u00ed d\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0o cu\u1ed1i ng\u00e0y ho\u1eb7c cu\u1ed1i ca, nhi\u1ec7t \u0111\u1ed9 trong ph\u00f2ng m\u00e1y gi\u1ea3m xu\u1ed1ng. To\u00e0n b\u1ed9 l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc b\u00e3o h\u00f2a c\u00f2n t\u1ed3n \u0111\u1ecdng trong \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh s\u1ebd ng\u01b0ng t\u1ee5 th\u00e0nh n\u01b0\u1edbc l\u1ecfng.<\/p>\nDo ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t v\u00e0 cao \u0111\u1ed9 \u0111\u01b0\u1eddng \u1ed1ng, l\u01b0\u1ee3ng n\u01b0\u1edbc n\u00e0y c\u00f3 xu h\u01b0\u1edbng ch\u1ea3y ng\u01b0\u1ee3c v\u1ec1 ph\u00eda ngu\u1ed3n ph\u00e1t \u2013 ch\u00ednh l\u00e0 m\u00e1y n\u00e9n kh\u00ed. N\u01b0\u1edbc l\u1ecfng tr\u00e0n qua van \u00e1p su\u1ea5t t\u1ed1i thi\u1ec3u, l\u1ecdt v\u00e0o b\u00ecnh t\u00e1ch d\u1ea7u v\u00e0 x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng d\u1ea7u b\u00f4i tr\u01a1n.<\/p>\n
Khi m\u00e1y n\u00e9n kh\u1edfi \u0111\u1ed9ng l\u1ea1i v\u00e0o ca sau, d\u1ea7u m\u00e1y b\u1ecb l\u1eabn n\u01b0\u1edbc s\u1ebd b\u1ecb nh\u0169 h\u00f3a (m\u1ea5t ho\u00e0n to\u00e0n \u0111\u1ed9 nh\u1edbt v\u00e0 kh\u1ea3 n\u0103ng b\u00f4i tr\u01a1n). \u0110\u1ea7u n\u00e9n ch\u1ea1y trong t\u00ecnh tr\u1ea1ng d\u1ea7u ng\u1eadm n\u01b0\u1edbc s\u1ebd nhanh ch\u00f3ng b\u1ecb b\u00f3 k\u1eb9t tr\u1ee5c v\u00edt, c\u00e0o x\u01b0\u1edbc l\u00f2ng xi lanh v\u00e0 ph\u00e1 h\u1ee7y v\u00f2ng bi ch\u1ec9 sau v\u00e0i tr\u0103m gi\u1edd ch\u1ea1y m\u00e1y. M\u00e1y s\u1ea5y kh\u00ed l\u00e0 ch\u1ed1t ch\u1eb7n lo\u1ea1i b\u1ecf n\u01b0\u1edbc t\u1eeb g\u1ed1c, tri\u1ec7t ti\u00eau ho\u00e0n to\u00e0n r\u1ee7i ro ch\u1ea3y ng\u01b0\u1ee3c ph\u00e1 h\u1ee7y h\u1ec7 th\u1ed1ng b\u00f4i tr\u01a1n n\u00e0y.<\/p>\n
B\u1ea3ng T\u1ed5ng H\u1ee3p T\u00e1c \u0110\u1ed9ng C\u1ee7a M\u00e1y S\u1ea5y Kh\u00ed<\/a> L\u00ean Tu\u1ed5i Th\u1ecd C\u00e1c Chi Ti\u1ebft M\u00e1y N\u00e9n Kh\u00ed<\/h2>\n
Khi h\u1ec7 th\u1ed1ng kh\u00f4ng c\u00f3 m\u00e1y s\u1ea5y kh\u00ed:<\/b> H\u01a1i n\u01b0\u1edbc b\u00e3o h\u00f2a ng\u01b0ng t\u1ee5 th\u00e0nh c\u00e1c v\u0169ng n\u01b0\u1edbc l\u1ecfng n\u1eb1m r\u1ea3i r\u00e1c trong l\u00f2ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed c\u1ee7a nh\u00e0 x\u01b0\u1edfng. Nh\u1eefng v\u0169ng n\u01b0\u1edbc n\u00e0y l\u00e0m thu h\u1eb9p ti\u1ebft di\u1ec7n d\u00f2ng ch\u1ea3y, t\u1ea1o ra m\u1ed9t l\u1ef1c c\u1ea3n \u0111\u01b0\u1eddng truy\u1ec1n c\u1ef1c l\u1edbn (hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t \u00e1p – Pressure Drop). \u0110\u1ec3 \u00e1p su\u1ea5t \u1edf cu\u1ed1i ph\u00e2n x\u01b0\u1edfng \u0111\u1ea1t m\u1ee9c 6 bar cho m\u00e1y m\u00f3c ho\u1ea1t \u0111\u1ed9ng, k\u1ef9 thu\u1eadt vi\u00ean b\u1eaft bu\u1ed9c ph\u1ea3i c\u00e0i \u0111\u1eb7t \u00e1p su\u1ea5t \u0111\u1ea7u ra t\u1ea1i m\u00e1y n\u00e9n kh\u00ed l\u00ean cao h\u01a1n, th\u00f4ng th\u01b0\u1eddng l\u00e0 7.5 bar ho\u1eb7c 8 bar \u0111\u1ec3 b\u00f9 v\u00e0o ph\u1ea7n hao h\u1ee5t do n\u01b0\u1edbc c\u1ea3n tr\u1edf.<\/p>\n<\/li>\n T\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00e1y s\u1ea5y kh\u00ed:<\/b> B\u1eb1ng c\u00e1ch r\u00fat ki\u1ec7t h\u01a1i n\u01b0\u1edbc, m\u00e1y s\u1ea5y kh\u00ed gi\u1eef cho l\u00f2ng \u1ed1ng lu\u00f4n kh\u00f4 r\u00e1o v\u00e0 th\u00f4ng tho\u00e1ng tuy\u1ec7t \u0111\u1ed1i. Hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t \u00e1p b\u1ecb tri\u1ec7t ti\u00eau, cho ph\u00e9p m\u00e1y n\u00e9n kh\u00ed ch\u1ec9 c\u1ea7n ch\u1ea1y \u1edf m\u1ee9c \u00e1p su\u1ea5t v\u1eeba \u0111\u1ee7 (v\u00ed d\u1ee5 6.5 bar).<\/p>\n<\/li>\n<\/ul>\n H\u1ec7 qu\u1ea3 k\u1ef9 thu\u1eadt:<\/b> Theo t\u00ednh to\u00e1n nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc, khi \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y n\u00e9n kh\u00ed gi\u1ea3m \u0111i 1 bar, t\u1ea3i tr\u1ecdng c\u01a1 kh\u00ed t\u00e1c \u0111\u1ed9ng l\u00ean v\u00f2ng bi tr\u1ee5c v\u00edt gi\u1ea3m \u0111\u00e1ng k\u1ec3, nhi\u1ec7t \u0111\u1ed9 sinh ra t\u1ea1i \u0111\u1ea7u n\u00e9n h\u1ea1 xu\u1ed1ng t\u1eeb $3^{\\circ}C – 5^{\\circ}C$<\/span>. \u0110i\u1ec1u n\u00e0y gi\u00fap d\u1ea7u l\u00e0m m\u00e1t kh\u00f4ng b\u1ecb bi\u1ebfn t\u00ednh, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u1ee5m tr\u1ee5c v\u00edt (Air End) th\u00eam t\u1eeb 30% \u0111\u1ebfn 40% tr\u01b0\u1edbc khi c\u1ea7n \u0111\u1ea1i tu.<\/p>\n<\/blockquote>\n T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p m\u00e1y n\u00e9n kh\u00ed v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p t\u1ea1i Phuc Hung Technology Co., Ltd.<\/a><\/span>.<\/p>\n M\u1ed9t trong nh\u1eefng t\u00e1c nh\u00e2n h\u00e0ng \u0111\u1ea7u ph\u00e1 h\u1ee7y h\u1ec7 th\u1ed1ng c\u01a1-\u0111i\u1ec7n c\u1ee7a m\u00e1y n\u00e9n kh\u00ed l\u00e0 t\u1ea7n su\u1ea5t \u0110\u00f3ng\/C\u1eaft (Load\/Unload ho\u1eb7c Start\/Stop) qu\u00e1 d\u00e0y \u0111\u1eb7c trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn (hi\u1ec7n t\u01b0\u1ee3ng Over-cycling).<\/p>\n C\u01a1 ch\u1ebf g\u00e2y h\u1ecfng h\u00f3c do n\u01b0\u1edbc:<\/b> Khi n\u01b0\u1edbc l\u1ecfng chi\u1ebfm d\u1ee5ng th\u1ec3 t\u00edch b\u00ean trong c\u00e1c b\u00ecnh t\u00edch \u00e1p v\u00e0 tr\u1ee5c \u0111\u01b0\u1eddng \u1ed1ng, kho\u1ea3ng kh\u00f4ng gian th\u1ef1c t\u1ebf d\u00e0nh cho kh\u00ed n\u00e9n b\u1ecb thu h\u1eb9p l\u1ea1i. H\u1ec7 th\u1ed1ng r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i “dung t\u00edch \u1ea3o”. Khi nh\u00e0 m\u00e1y ti\u00eau th\u1ee5 kh\u00ed, \u00e1p su\u1ea5t trong \u0111\u01b0\u1eddng \u1ed1ng t\u1ee5t r\u1ea5t nhanh do th\u1ec3 t\u00edch kh\u00ed d\u1ef1 tr\u1eef \u00edt (b\u1ecb n\u01b0\u1edbc chi\u1ebfm ch\u1ed7). M\u00e1y n\u00e9n kh\u00ed l\u1eadp t\u1ee9c ph\u1ea3i chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 T\u1ea3i (Load). Ngay sau \u0111\u00f3, khi nhu c\u1ea7u d\u1eebng l\u1ea1i, \u00e1p su\u1ea5t l\u1ea1i t\u0103ng v\u1ecdt l\u00ean m\u1ee9c ng\u1eaft, \u00e9p m\u00e1y n\u00e9n chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 Kh\u00f4ng t\u1ea3i (Unload).<\/p>\n<\/li>\n T\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00e1y s\u1ea5y kh\u00ed:<\/b> \u0110\u1ea3m b\u1ea3o to\u00e0n b\u1ed9 dung t\u00edch c\u1ee7a b\u00ecnh t\u00edch \u00e1p v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c khai th\u00e1c 100% \u0111\u1ec3 ch\u1ee9a kh\u00ed n\u00e9n kh\u00f4. H\u1ec7 th\u1ed1ng c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u00e1p su\u1ea5t cao, bi\u00ean \u0111\u1ed9 \u00e1p su\u1ea5t co gi\u00e3n nh\u1ecbp nh\u00e0ng.<\/p>\n<\/li>\n<\/ul>\n Nh\u1edd c\u00f3 m\u00e1y s\u1ea5y kh\u00ed, m\u00e1y n\u00e9n kh\u00ed kh\u00f4ng ph\u1ea3i th\u1ef1c hi\u1ec7n chu k\u1ef3 \u0110\u00f3ng\/C\u1eaft li\u00ean t\u1ee5c. Vi\u1ec7c n\u00e0y tr\u1ef1c ti\u1ebfp b\u1ea3o v\u1ec7 hai b\u1ed9 ph\u1eadn quan tr\u1ecdng:<\/p>\n Van c\u1ed5 h\u00fat (Intake Valve):<\/b> B\u1ed9 ph\u1eadn n\u00e0y ph\u1ea3i \u0111\u00f3ng m\u1edf c\u01a1 h\u1ecdc li\u00ean t\u1ee5c \u0111\u1ec3 \u0111i\u1ec1u ti\u1ebft l\u01b0\u1ee3ng kh\u00ed v\u00e0o. Gi\u1ea3m chu k\u1ef3 \u0110\u00f3ng\/C\u1eaft gi\u00fap l\u00f2 xo v\u00e0 l\u00e1 van kh\u00f4ng b\u1ecb m\u1ecfi c\u01a1 l\u00fd thuy\u1ebft, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd van.<\/p>\n<\/li>\n H\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00e0 \u0110\u1ed9ng c\u01a1 ch\u00ednh:<\/b> M\u1ed7i l\u1ea7n m\u00e1y n\u00e9n chuy\u1ec3n t\u1eeb Unload sang Load, d\u00f2ng \u0111i\u1ec7n s\u1ebd t\u0103ng v\u1ecdt (d\u00f2ng kh\u1edfi \u0111\u1ed9ng). Gi\u1ea3m t\u1ea7n su\u1ea5t \u0111\u00f3ng c\u1eaft gi\u00fap kh\u1edfi \u0111\u1ed9ng t\u1eeb (Contactor) trong t\u1ee7 \u0111i\u1ec7n kh\u00f4ng b\u1ecb ch\u00e1y ti\u1ebfp \u0111i\u1ec3m v\u00e0 cu\u1ed9n d\u00e2y \u0111\u1ed9ng c\u01a1 kh\u00f4ng b\u1ecb qu\u00e1 nhi\u1ec7t, ng\u0103n ng\u1eeba nguy c\u01a1 om d\u00e2y, ch\u00e1y \u0111\u1ed9ng c\u01a1.<\/p>\n<\/li>\n<\/ul>\n Nhi\u1ec1u ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng r\u1eb1ng kh\u00ed n\u00e9n \u0111i ra kh\u1ecfi m\u00e1y n\u00e9n kh\u00ed l\u00e0 \u0111i th\u1eb3ng ra nh\u00e0 x\u01b0\u1edfng. Th\u1ef1c t\u1ebf, m\u1ed9t ph\u1ea7n kh\u00ed n\u00e9n th\u00e0nh ph\u1ea9m sau b\u00ecnh t\u00e1ch d\u1ea7u s\u1ebd \u0111\u01b0\u1ee3c tr\u00edch ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ec3 l\u00e0m “kh\u00ed m\u1ed3i” (Pilot Air) ph\u1ee5c v\u1ee5 cho h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng c\u1ee7a ch\u00ednh n\u00f3.<\/p>\n Lu\u1ed3ng kh\u00ed m\u1ed3i n\u00e0y \u0111i\u1ec1u khi\u1ec3n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van c\u1ed5 h\u00fat, van \u00e1p su\u1ea5t t\u1ed1i thi\u1ec3u (Minimum Pressure Valve), v\u00e0 c\u00e1c c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t n\u1ed9i b\u1ed9. N\u1ebfu tr\u1ea1m ngu\u1ed3n kh\u00f4ng c\u00f3 m\u00e1y s\u1ea5y kh\u00ed ho\u1eb7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1eafp \u0111\u1eb7t sai (\u0111\u01b0a kh\u00ed \u1ea9m tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n tr\u01b0\u1edbc khi qua m\u00e1y s\u1ea5y), h\u01a1i n\u01b0\u1edbc v\u00e0 c\u1eb7n d\u1ecbch s\u1ebd l\u1ecdt v\u00e0o c\u00e1c van Solenoid nh\u1ecf b\u00ean trong m\u00e1y n\u00e9n.<\/p>\n N\u01b0\u1edbc l\u00e0m r\u1ec9 s\u00e9t l\u00f5i p\u00edt-t\u00f4ng \u0111i\u1ec7n t\u1eeb, l\u00e0m tr\u01b0\u01a1ng n\u1edf c\u00e1c gio\u0103ng cao su vi m\u00f4. H\u1eadu qu\u1ea3 l\u00e0 m\u00e1y n\u00e9n kh\u00ed s\u1ebd g\u1eb7p c\u00e1c l\u1ed7i k\u1ef9 thu\u1eadt nh\u01b0: kh\u00f4ng l\u00ean t\u1ea3i \u0111\u01b0\u1ee3c, kh\u00f4ng x\u1ea3 \u00e1p \u0111\u01b0\u1ee3c khi d\u1eebng m\u00e1y, ho\u1eb7c c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t g\u1eedi t\u00edn hi\u1ec7u sai l\u1ec7ch v\u1ec1 bo m\u1ea1ch PLC g\u00e2y l\u1ed7i d\u1eebng m\u00e1y \u0111\u1ed9t ng\u1ed9t. M\u00e1y s\u1ea5y kh\u00ed cung c\u1ea5p ngu\u1ed3n kh\u00ed tr\u01a1 kh\u00f4 r\u00e1o, gi\u1eef cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n c\u1ee7a m\u00e1y n\u00e9n lu\u00f4n ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 b\u1ec1n b\u1ec9.<\/p>\n Trong c\u00e1c h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n c\u00f4ng nghi\u1ec7p kh\u00f4ng trang b\u1ecb Air dryer<\/a> ho\u1eb7c van m\u1ed9t chi\u1ec1u \u0111\u1ea7u ra b\u1ecb h\u1edf, khi m\u00e1y n\u00e9n kh\u00ed d\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0o cu\u1ed1i ng\u00e0y ho\u1eb7c cu\u1ed1i ca, nhi\u1ec7t \u0111\u1ed9 trong ph\u00f2ng m\u00e1y gi\u1ea3m xu\u1ed1ng. To\u00e0n b\u1ed9 l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc b\u00e3o h\u00f2a c\u00f2n t\u1ed3n \u0111\u1ecdng trong \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh s\u1ebd ng\u01b0ng t\u1ee5 th\u00e0nh n\u01b0\u1edbc l\u1ecfng.<\/p>\n Do ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t v\u00e0 cao \u0111\u1ed9 \u0111\u01b0\u1eddng \u1ed1ng, l\u01b0\u1ee3ng n\u01b0\u1edbc n\u00e0y c\u00f3 xu h\u01b0\u1edbng ch\u1ea3y ng\u01b0\u1ee3c v\u1ec1 ph\u00eda ngu\u1ed3n ph\u00e1t \u2013 ch\u00ednh l\u00e0 m\u00e1y n\u00e9n kh\u00ed. N\u01b0\u1edbc l\u1ecfng tr\u00e0n qua van \u00e1p su\u1ea5t t\u1ed1i thi\u1ec3u, l\u1ecdt v\u00e0o b\u00ecnh t\u00e1ch d\u1ea7u v\u00e0 x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng d\u1ea7u b\u00f4i tr\u01a1n.<\/p>\n Khi m\u00e1y n\u00e9n kh\u1edfi \u0111\u1ed9ng l\u1ea1i v\u00e0o ca sau, d\u1ea7u m\u00e1y b\u1ecb l\u1eabn n\u01b0\u1edbc s\u1ebd b\u1ecb nh\u0169 h\u00f3a (m\u1ea5t ho\u00e0n to\u00e0n \u0111\u1ed9 nh\u1edbt v\u00e0 kh\u1ea3 n\u0103ng b\u00f4i tr\u01a1n). \u0110\u1ea7u n\u00e9n ch\u1ea1y trong t\u00ecnh tr\u1ea1ng d\u1ea7u ng\u1eadm n\u01b0\u1edbc s\u1ebd nhanh ch\u00f3ng b\u1ecb b\u00f3 k\u1eb9t tr\u1ee5c v\u00edt, c\u00e0o x\u01b0\u1edbc l\u00f2ng xi lanh v\u00e0 ph\u00e1 h\u1ee7y v\u00f2ng bi ch\u1ec9 sau v\u00e0i tr\u0103m gi\u1edd ch\u1ea1y m\u00e1y. M\u00e1y s\u1ea5y kh\u00ed l\u00e0 ch\u1ed1t ch\u1eb7n lo\u1ea1i b\u1ecf n\u01b0\u1edbc t\u1eeb g\u1ed1c, tri\u1ec7t ti\u00eau ho\u00e0n to\u00e0n r\u1ee7i ro ch\u1ea3y ng\u01b0\u1ee3c ph\u00e1 h\u1ee7y h\u1ec7 th\u1ed1ng b\u00f4i tr\u01a1n n\u00e0y.<\/p>\n\n
2. Tri\u1ec7t Ti\u00eau Chu K\u1ef3 \u0110\u00f3ng\/C\u1eaft Li\u00ean T\u1ee5c \u2013 B\u1ea3o V\u1ec7 \u0110\u1ed9ng C\u01a1 V\u00e0 Van C\u1ed5 H\u00fat<\/h2>\n
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3. B\u1ea3o V\u1ec7 H\u1ec7 Th\u1ed1ng Van \u0110i\u1ec1u Khi\u1ec3n Kh\u00ed M\u1ed3i (Pilot Air) C\u1ee7a Ch\u00ednh M\u00e1y N\u00e9n<\/h2>\n
4. Ng\u0103n Ch\u1eb7n Hi\u1ec7n T\u01b0\u1ee3ng N\u01b0\u1edbc Ng\u01b0ng T\u1ee5 Ch\u1ea3y Ng\u01b0\u1ee3c (Back-flow)<\/h2>\n
B\u1ea3ng T\u1ed5ng H\u1ee3p T\u00e1c \u0110\u1ed9ng C\u1ee7a M\u00e1y S\u1ea5y Kh\u00ed<\/a> L\u00ean Tu\u1ed5i Th\u1ecd C\u00e1c Chi Ti\u1ebft M\u00e1y N\u00e9n Kh\u00ed<\/h2>\n