{"id":14346372,"date":"2025-11-25T14:08:05","date_gmt":"2025-11-25T07:08:05","guid":{"rendered":"https:\/\/yp.vn\/?p=14346372"},"modified":"2025-11-25T14:08:50","modified_gmt":"2025-11-25T07:08:50","slug":"huong-dan-xu-ly-an-toan-may-nen-khi-vuot-qua-ap-khong-tu-ng","status":"publish","type":"post","link":"https:\/\/yp.com.vn\/huong-dan-xu-ly-an-toan-may-nen-khi-vuot-qua-ap-khong-tu-ng\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn X\u1eed L\u00fd An To\u00e0n Khi M\u00e1y N\u00e9n Kh\u00ed V\u01b0\u1ee3t Qu\u00e1 \u00c1p Kh\u00f4ng T\u1ef1 Ng\u1eaft"},"content":{"rendered":"<p data-path-to-node=\"3\"><a href=\"https:\/\/yp.vn\/nganh-nghe\/cong-nghiep-co-khi-cong-nghiep-102\/may-nen-khi-gas-552\/\" rel=\"nofollow noopener\" target=\"_blank\"><strong>M\u00e1y n\u00e9n kh\u00ed<\/strong><\/a> l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 x\u01b0\u1edfng s\u1ea3n xu\u1ea5t. Tuy nhi\u00ean, n\u1ebfu m\u00e1y n\u00e9n kh\u00ed g\u1eb7p s\u1ef1 c\u1ed1 <b>v\u01b0\u1ee3t qu\u00e1 \u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c<\/b> m\u00e0 <b>c\u01a1 ch\u1ebf t\u1ef1 ng\u1eaft kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/b>, \u0111\u00e2y s\u1ebd l\u00e0 m\u1ed9t t\u00ecnh hu\u1ed1ng c\u1ef1c k\u1ef3 nguy hi\u1ec3m. S\u1ef1 c\u1ed1 n\u00e0y kh\u00f4ng ch\u1ec9 \u0111e d\u1ecda \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb m\u00e0 c\u00f2n ti\u1ec1m \u1ea9n nguy c\u01a1 ch\u00e1y n\u1ed5, g\u00e2y th\u01b0\u01a1ng t\u00edch nghi\u00eam tr\u1ecdng cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00e0 thi\u1ec7t h\u1ea1i t\u00e0i s\u1ea3n.<\/p>\n<p data-path-to-node=\"4\">Vi\u1ec7c hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n v\u00e0 bi\u1ebft c\u00e1ch x\u1eed l\u00fd <b>kh\u1ea9n c\u1ea5p<\/b> l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/p>\n<h2>I. H\u00e0nh \u0110\u1ed9ng Kh\u1ea9n C\u1ea5p Ngay L\u1eadp T\u1ee9c<\/h2>\n<p data-path-to-node=\"7\">Khi ph\u00e1t hi\u1ec7n \u00e1p su\u1ea5t <a href=\"https:\/\/yp.vn\/nganh-nghe\/cong-nghiep-co-khi-cong-nghiep-102\/may-nen-khi-gas-552\/\" rel=\"nofollow noopener\" target=\"_blank\"><strong>m\u00e1y n\u00e9n kh\u00ed<\/strong><\/a> ti\u1ebfp t\u1ee5c t\u0103ng v\u01b0\u1ee3t qu\u00e1 m\u1ee9c c\u00e0i \u0111\u1eb7t m\u00e0 kh\u00f4ng t\u1ef1 ng\u1eaft, b\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau <b>ngay l\u1eadp t\u1ee9c<\/b> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n tuy\u1ec7t \u0111\u1ed1i:<\/p>\n<h3>1. <b>Ng\u1eaft Ngu\u1ed3n \u0110i\u1ec7n Ch\u00ednh (C\u1eaft c\u1ea7u dao)<\/b><\/h3>\n<p data-path-to-node=\"9\">\u0110\u00e2y l\u00e0 h\u00e0nh \u0111\u1ed9ng quan tr\u1ecdng nh\u1ea5t. Ngay l\u1eadp t\u1ee9c <b>c\u1eaft ngu\u1ed3n \u0111i\u1ec7n c\u1ea5p cho <a href=\"https:\/\/yp.vn\/nganh-nghe\/cong-nghiep-co-khi-cong-nghiep-102\/may-nen-khi-gas-552\/\" rel=\"nofollow noopener\" target=\"_blank\">m\u00e1y n\u00e9n kh\u00ed<\/a><\/b> t\u1ea1i c\u1ea7u dao t\u1ed5ng ho\u1eb7c b\u1ed9 ng\u1eaft m\u1ea1ch. \u0110i\u1ec1u n\u00e0y s\u1ebd d\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 ng\u0103n m\u00e1y ti\u1ebfp t\u1ee5c t\u1ea1o ra kh\u00ed n\u00e9n, gi\u00fap ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 t\u0103ng \u00e1p su\u1ea5t.<\/p>\n<h3>2. <b>X\u1ea3 \u00c1p Su\u1ea5t Th\u1ee7 C\u00f4ng (Van X\u1ea3)<\/b><\/h3>\n<p data-path-to-node=\"11\">Sau khi ng\u1eaft \u0111i\u1ec7n, \u00e1p su\u1ea5t v\u1eabn c\u00f3 th\u1ec3 c\u00f2n t\u1ed3n t\u1ea1i trong b\u00ecnh ch\u1ee9a. H\u00e3y <b>m\u1edf van x\u1ea3 kh\u00ed<\/b> (th\u01b0\u1eddng l\u00e0 van bi ho\u1eb7c van x\u1ea3 \u0111\u00e1y) tr\u00ean b\u00ecnh ch\u1ee9a ho\u1eb7c \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh \u0111\u1ec3 t\u1eeb t\u1eeb <b>gi\u1ea3m \u00e1p su\u1ea5t<\/b> v\u1ec1 m\u1ee9c an to\u00e0n (ho\u1eb7c b\u1eb1ng 0). Th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y m\u1ed9t c\u00e1ch ch\u1eadm r\u00e3i, c\u00f3 ki\u1ec3m so\u00e1t \u0111\u1ec3 tr\u00e1nh g\u00e2y s\u1ed1c \u00e1p su\u1ea5t.<\/p>\n<div id=\"attachment_14346373\" style=\"width: 539px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-14346373\" class=\"wp-image-14346373 size-full\" src=\"https:\/\/yp.vn\/wp-content\/uploads\/2025\/11\/1a-3.jpg\" alt=\"m\u00e1y n\u00e9n kh\u00ed 1\" width=\"529\" height=\"397\" srcset=\"https:\/\/yp.com.vn\/wp-content\/uploads\/2025\/11\/1a-3.jpg 529w, https:\/\/yp.com.vn\/wp-content\/uploads\/2025\/11\/1a-3-300x225.jpg 300w\" sizes=\"auto, (max-width: 529px) 100vw, 529px\" \/><p id=\"caption-attachment-14346373\" class=\"wp-caption-text\">C\u1ee5m role m\u00e1y n\u00e9n kh\u00ed c\u00f9ng ch\u1ed1t an to\u00e0n \u0111\u1ea3m b\u1ea3o cho ng\u01b0\u1eddi d\u00f9ng<\/p><\/div>\n<h3>3. <b>Ki\u1ec3m Tra Van An To\u00e0n (Safety Valve)<\/b><\/h3>\n<p data-path-to-node=\"13\">N\u1ebfu \u00e1p su\u1ea5t v\u1eabn t\u0103ng ho\u1eb7c duy tr\u00ec \u1edf m\u1ee9c cao sau khi ng\u1eaft \u0111i\u1ec7n, h\u00e3y ki\u1ec3m tra <b>Van An To\u00e0n<\/b> (Safety Valve)<\/p>\n<p data-path-to-node=\"15\">Van an to\u00e0n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng m\u1edf v\u00e0 x\u1ea3 \u00e1p su\u1ea5t ra m\u00f4i tr\u01b0\u1eddng khi \u00e1p su\u1ea5t v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n c\u00e0i \u0111\u1eb7t c\u1ee7a n\u00f3. N\u1ebfu van an to\u00e0n kh\u00f4ng m\u1edf, <b>tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng c\u1ed1 g\u1eafng thao t\u00e1c hay s\u1eeda ch\u1eefa van \u0111ang ch\u1ecbu \u00e1p su\u1ea5t<\/b>. B\u1ea1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u00e1p su\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1ea3 h\u1ebft qua b\u01b0\u1edbc 2 tr\u01b0\u1edbc khi ki\u1ec3m tra.<\/p>\n<p data-path-to-node=\"15\"><b>L\u01b0u \u00fd Quan Tr\u1ecdng:<\/b> Kh\u00f4ng bao gi\u1edd \u0111\u1ee9ng qu\u00e1 g\u1ea7n m\u00e1y n\u00e9n kh\u00ed ho\u1eb7c \u0111\u1eb7t c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 th\u1ec3 v\u00e0o \u0111\u01b0\u1eddng \u0111i c\u1ee7a kh\u00ed n\u00e9n khi \u0111ang x\u1ea3 \u00e1p su\u1ea5t.<\/p>\n<h2>II. Ph\u00e2n T\u00edch Nguy\u00ean Nh\u00e2n G\u00e2y S\u1ef1 C\u1ed1 c\u1ee7a M\u00e1y n\u00e9n kh\u00ed<\/h2>\n<p data-path-to-node=\"19\">Sau khi \u0111\u00e3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c t\u00ecnh h\u00ecnh m\u00e1y n\u00e9n kh\u00ed v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n khi\u1ebfn m\u00e1y kh\u00f4ng t\u1ef1 ng\u1eaft. S\u1ef1 c\u1ed1 n\u00e0y th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb hai b\u1ed9 ph\u1eadn ch\u00ednh c\u1ee7a m\u00e1y n\u00e9n kh\u00ed: <b>C\u00f4ng t\u1eafc \u00e1p su\u1ea5t (Pressure Switch)<\/b> v\u00e0 <b>Van x\u1ea3 (Unloader Valve)<\/b> (\u0111\u1ed1i v\u1edbi m\u00e1y piston) ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n (\u0111\u1ed1i v\u1edbi m\u00e1y tr\u1ee5c v\u00edt).<\/p>\n<h3>1. <b>C\u00f4ng T\u1eafc \u00c1p Su\u1ea5t (Pressure Switch) H\u1ecfng<\/b><\/h3>\n<ul data-path-to-node=\"21\">\n<li>\n<p data-path-to-node=\"21,0,0\"><b>Ch\u1ee9c n\u0103ng:<\/b> \u0110\u00e2y l\u00e0 b\u1ed9 ph\u1eadn ch\u00ednh ra l\u1ec7nh cho \u0111\u1ed9ng c\u01a1 d\u1eebng l\u1ea1i khi \u0111\u1ea1t \u0111\u1ebfn \u00e1p su\u1ea5t gi\u1edbi h\u1ea1n (c\u1eaft) v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i khi \u00e1p su\u1ea5t gi\u1ea3m \u0111\u1ebfn m\u1ee9c t\u1ed1i thi\u1ec3u (\u0111\u00f3ng).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,1,0\"><b>S\u1ef1 c\u1ed1:<\/b><\/p>\n<ul data-path-to-node=\"21,1,1\">\n<li>\n<p data-path-to-node=\"21,1,1,0,0\"><b>Ti\u1ebfp \u0111i\u1ec3m b\u1ecb k\u1eb9t:<\/b> C\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n b\u00ean trong c\u00f4ng t\u1eafc c\u00f3 th\u1ec3 b\u1ecb ch\u00e1y, d\u00ednh l\u1ea1i do h\u1ed3 quang \u0111i\u1ec7n ho\u1eb7c b\u1ee5i b\u1ea9n, khi\u1ebfn m\u1ea1ch \u0111i\u1ec7n lu\u00f4n \u0111\u00f3ng (ON) ngay c\u1ea3 khi \u00e1p su\u1ea5t \u0111\u00e3 \u0111\u1ea1t ng\u01b0\u1ee1ng c\u1eaft.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,1,1,1,0\"><b>L\u1ed7i c\u1ea3m bi\u1ebfn\/c\u01a1 c\u1ea5u:<\/b> M\u00e0ng ng\u0103n (diaphragm) ho\u1eb7c l\u00f2 xo \u0111i\u1ec1u ch\u1ec9nh b\u00ean trong b\u1ecb h\u1ecfng, khi\u1ebfn c\u00f4ng t\u1eafc kh\u00f4ng nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c m\u1ee9c \u00e1p su\u1ea5t th\u1ef1c t\u1ebf.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,1,1,2,0\"><b>D\u00e2y \u0111i\u1ec7n b\u1ecb l\u1ecfng\/\u0111\u1ee9t:<\/b> \u0110\u00f4i khi, l\u1ed7i l\u00e0 do k\u1ebft n\u1ed1i d\u00e2y \u0111i\u1ec7n t\u1eeb c\u00f4ng t\u1eafc \u0111\u1ebfn \u0111\u1ed9ng c\u01a1 b\u1ecb l\u1ecfng, g\u00e2y ra s\u1ef1 c\u1ed1 \u0111i\u1ec7n gi\u00e1n \u0111o\u1ea1n.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>2. <b>Van X\u1ea3 (Unloader Valve) ho\u1eb7c H\u1ec7 Th\u1ed1ng \u0110i\u1ec1u Khi\u1ec3n L\u1ed7i<\/b><\/h3>\n<ul data-path-to-node=\"23\">\n<li>\n<p data-path-to-node=\"23,0,0\"><b>\u0110\u1ed1i v\u1edbi <a href=\"http:\/\/maynenkhibaotin.com\" rel=\"nofollow noopener\" target=\"_blank\">m\u00e1y n\u00e9n kh\u00ed<\/a> piston:<\/b> Van x\u1ea3 c\u00f3 nhi\u1ec7m v\u1ee5 x\u1ea3 \u00e1p su\u1ea5t trong \u0111\u1ea7u n\u00e9n ra ngo\u00e0i \u0111\u1ec3 gi\u1ea3m t\u1ea3i cho \u0111\u1ed9ng c\u01a1 khi m\u00e1y d\u1eebng ho\u1ea1t \u0111\u1ed9ng, gi\u00fap m\u00e1y kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ec5 d\u00e0ng h\u01a1n. N\u1ebfu van n\u00e0y b\u1ecb k\u1eb9t \u1edf v\u1ecb tr\u00ed \u0111\u00f3ng, \u00e1p su\u1ea5t c\u00f3 th\u1ec3 t\u0103ng l\u00ean m\u1ed9t c\u00e1ch b\u1ea5t th\u01b0\u1eddng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"23,1,0\"><b>\u0110\u1ed1i v\u1edbi m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt:<\/b><\/p>\n<ul data-path-to-node=\"23,1,1\">\n<li>\n<p data-path-to-node=\"23,1,1,0,0\"><b>Van h\u00fat (Inlet Valve\/Air End Control Valve) l\u1ed7i:<\/b> Van h\u00fat ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng kh\u00ed \u0111i v\u00e0o \u0111\u1ea7u n\u00e9n. N\u1ebfu van n\u00e0y b\u1ecb k\u1eb9t ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n (solenoid, PLC) g\u1eb7p l\u1ed7i, m\u00e1y n\u00e9n c\u00f3 th\u1ec3 kh\u00f4ng chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 kh\u00f4ng t\u1ea3i (idle) v\u00e0 ti\u1ebfp t\u1ee5c n\u00e9n kh\u00ed.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"23,1,1,1,0\"><b>C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t b\u1ecb l\u1ed7i\/sai l\u1ec7ch:<\/b> C\u1ea3m bi\u1ebfn g\u1eedi t\u00edn hi\u1ec7u \u00e1p su\u1ea5t sai v\u1ec1 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PLC.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>3. <b>Van An To\u00e0n B\u1ecb L\u1ed7i (Kh\u00f4ng M\u1edf)<\/b><\/h3>\n<p data-path-to-node=\"25\">M\u1eb7c d\u00f9 van an to\u00e0n l\u00e0 c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 th\u1ee9 c\u1ea5p, nh\u01b0ng n\u1ebfu n\u00f3 kh\u00f4ng m\u1edf khi \u00e1p su\u1ea5t v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n c\u00e0i \u0111\u1eb7t c\u1ee7a ch\u00ednh n\u00f3, \u0111\u00f3 l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u c\u1ef1c k\u1ef3 nguy hi\u1ec3m. Nguy\u00ean nh\u00e2n th\u01b0\u1eddng l\u00e0 do:<\/p>\n<ul data-path-to-node=\"26\">\n<li>\n<p data-path-to-node=\"26,0,0\">Van b\u1ecb t\u1eafc ngh\u1ebdn, g\u1ec9 s\u00e9t do kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m tra ho\u1eb7c b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,1,0\">Van b\u1ecb \u0111i\u1ec1u ch\u1ec9nh sai th\u00f4ng s\u1ed1 so v\u1edbi m\u1ee9c \u00e1p su\u1ea5t thi\u1ebft k\u1ebf c\u1ee7a b\u00ecnh ch\u1ee9a.<\/p>\n<\/li>\n<\/ul>\n<h2>III. Bi\u1ec7n Ph\u00e1p Kh\u1eafc Ph\u1ee5c v\u00e0 B\u1ea3o Tr\u00ec M\u00e1y n\u00e9n kh\u00ed<\/h2>\n<p data-path-to-node=\"29\">Sau khi \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n, c\u1ea7n ti\u1ebfn h\u00e0nh s\u1eeda ch\u1eefa ho\u1eb7c thay th\u1ebf linh ki\u1ec7n b\u1ecb l\u1ed7i m\u00e1y n\u00e9n kh\u00ed<\/p>\n<h3>1. <b>Thay Th\u1ebf ho\u1eb7c S\u1eeda Ch\u1eefa C\u00f4ng T\u1eafc \u00c1p Su\u1ea5t<\/b><\/h3>\n<ul data-path-to-node=\"31\">\n<li>\n<p data-path-to-node=\"31,0,0\">N\u1ebfu c\u00f4ng t\u1eafc \u00e1p su\u1ea5t b\u1ecb h\u1ecfng, <b>thay th\u1ebf b\u1eb1ng m\u1ed9t c\u00f4ng t\u1eafc m\u1edbi<\/b> c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c ch\u00ednh x\u00e1c theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t l\u00e0 gi\u1ea3i ph\u00e1p an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady nh\u1ea5t.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"31,1,0\">N\u1ebfu l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 ti\u1ebfp \u0111i\u1ec3m b\u1ecb b\u00e1m b\u1ea9n nh\u1eb9, c\u00f3 th\u1ec3 v\u1ec7 sinh (nh\u01b0ng ch\u1ec9 n\u00ean l\u00e0m n\u1ebfu c\u00f3 ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n).<\/p>\n<\/li>\n<\/ul>\n<h3>2. <b>Ki\u1ec3m Tra Van X\u1ea3 v\u00e0 H\u1ec7 Th\u1ed1ng \u0110i\u1ec1u Khi\u1ec3n<\/b><\/h3>\n<ul data-path-to-node=\"33\">\n<li>\n<p data-path-to-node=\"33,0,0\"><b>V\u1ec7 sinh ho\u1eb7c thay th\u1ebf Van X\u1ea3\/Van H\u00fat:<\/b> Th\u00e1o r\u1eddi, v\u1ec7 sinh c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed v\u00e0 ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u00f2 xo, gio\u0103ng \u0111\u1ec7m. N\u1ebfu th\u1ea5y h\u01b0 h\u1ecfng, c\u1ea7n thay th\u1ebf van.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"33,1,0\"><b>Ki\u1ec3m tra Solenoid v\u00e0 \u0110i\u1ec7n \u0111i\u1ec1u khi\u1ec3n:<\/b> Ki\u1ec3m tra cu\u1ed9n d\u00e2y solenoid (\u0111\u1ed1i v\u1edbi m\u00e1y tr\u1ee5c v\u00edt) xem c\u00f3 b\u1ecb ch\u00e1y hay kh\u00f4ng, v\u00e0 ki\u1ec3m tra t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n t\u1eeb PLC.<\/p>\n<\/li>\n<\/ul>\n<div id=\"attachment_14346374\" style=\"width: 643px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-14346374\" class=\"wp-image-14346374 size-full\" src=\"https:\/\/yp.vn\/wp-content\/uploads\/2025\/11\/2a-3.jpg\" alt=\"m\u00e1y n\u00e9n kh\u00ed 2\" width=\"633\" height=\"341\" srcset=\"https:\/\/yp.com.vn\/wp-content\/uploads\/2025\/11\/2a-3.jpg 633w, https:\/\/yp.com.vn\/wp-content\/uploads\/2025\/11\/2a-3-300x162.jpg 300w\" sizes=\"auto, (max-width: 633px) 100vw, 633px\" \/><p id=\"caption-attachment-14346374\" class=\"wp-caption-text\">X\u1eed l\u00fd ngay t\u00ednh tr\u1ea1ng m\u00e1y n\u00e9n kh\u00ed kh\u00f4ng t\u1ef1 ng\u1eaft khi v\u01b0\u1ee3t \u00e1p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n<\/p><\/div>\n<h3>3. <b>Ki\u1ec3m Tra v\u00e0 B\u1ea3o Tr\u00ec Van An To\u00e0n \u0110\u1ecbnh K\u1ef3<\/b><\/h3>\n<ul data-path-to-node=\"35\">\n<li>\n<p data-path-to-node=\"35,0,0\"><b>Ki\u1ec3m tra c\u01a1 h\u1ecdc:<\/b> K\u00e9o v\u00f2ng nh\u1eabn (pull ring) tr\u00ean van an to\u00e0n m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng \u0111\u1ec3 ki\u1ec3m tra xem van c\u00f3 x\u1ea3 kh\u00ed v\u00e0 \u0111\u00f3ng l\u1ea1i b\u00ecnh th\u01b0\u1eddng hay kh\u00f4ng. Vi\u1ec7c n\u00e0y n\u00ean l\u00e0m \u0111\u1ecbnh k\u1ef3 (v\u00ed d\u1ee5, h\u00e0ng th\u00e1ng).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"35,1,0\"><b>Ki\u1ec3m \u0111\u1ecbnh:<\/b> Van an to\u00e0n l\u00e0 thi\u1ebft b\u1ecb c\u1ea7n \u0111\u01b0\u1ee3c <b>ki\u1ec3m \u0111\u1ecbnh \u0111\u1ecbnh k\u1ef3<\/b> theo quy \u0111\u1ecbnh v\u1ec1 An to\u00e0n Lao \u0111\u1ed9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 s\u1ebd ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c khi c\u1ea7n thi\u1ebft.<\/p>\n<\/li>\n<\/ul>\n<h3>4. <b>B\u1ea3o Tr\u00ec Ph\u00f2ng Ng\u1eeba T\u1ed5ng Th\u1ec3<\/b><\/h3>\n<ul data-path-to-node=\"37\">\n<li>\n<p data-path-to-node=\"37,0,0\"><b>Ghi ch\u00e9p th\u00f4ng s\u1ed1:<\/b> Theo d\u00f5i v\u00e0 ghi ch\u00e9p chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng, \u00e1p su\u1ea5t c\u1eaft\/\u0111\u00f3ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c d\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"37,1,0\"><b>V\u1ec7 sinh:<\/b> Gi\u1eef s\u1ea1ch s\u1ebd khu v\u1ef1c l\u1eafp \u0111\u1eb7t m\u00e1y n\u00e9n kh\u00ed, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn v\u00e0 van.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"37,2,0\"><b>Thay d\u1ea7u\/l\u1ecdc:<\/b> Th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec theo \u0111\u00fang l\u1ecbch tr\u00ecnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<\/li>\n<\/ul>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p data-path-to-node=\"39\">S\u1ef1 c\u1ed1 m\u00e1y n\u00e9n kh\u00ed v\u01b0\u1ee3t qu\u00e1 \u00e1p m\u00e0 kh\u00f4ng t\u1ef1 ng\u1eaft l\u00e0 m\u1ed9t <b>c\u1ea3nh b\u00e1o \u0111\u1ecf<\/b> v\u1ec1 an to\u00e0n. Kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c ph\u00e9p ti\u1ebfp t\u1ee5c v\u1eadn h\u00e0nh m\u00e1y khi ph\u00e1t hi\u1ec7n l\u1ed7i n\u00e0y. Vi\u1ec7c n\u1eafm v\u1eefng quy tr\u00ecnh x\u1eed l\u00fd kh\u1ea9n c\u1ea5p v\u00e0 th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ea3 <b>hi\u1ec7u su\u1ea5t<\/b> v\u00e0 <b>an to\u00e0n<\/b> cho h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n c\u1ee7a b\u1ea1n. N\u1ebfu kh\u00f4ng c\u00f3 kinh nghi\u1ec7m, h\u00e3y lu\u00f4n t\u00ecm \u0111\u1ebfn s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a <b>k\u1ef9 thu\u1eadt vi\u00ean chuy\u00ean nghi\u1ec7p<\/b> \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u1ed9t c\u00e1ch tri\u1ec7t \u0111\u1ec3 nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y n\u00e9n kh\u00ed l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 x\u01b0\u1edfng s\u1ea3n xu\u1ea5t. Tuy nhi\u00ean, n\u1ebfu m\u00e1y n\u00e9n kh\u00ed g\u1eb7p s\u1ef1 c\u1ed1 v\u01b0\u1ee3t qu\u00e1 \u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c m\u00e0 c\u01a1 ch\u1ebf t\u1ef1 ng\u1eaft kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, \u0111\u00e2y s\u1ebd l\u00e0 m\u1ed9t t\u00ecnh hu\u1ed1ng c\u1ef1c k\u1ef3 nguy hi\u1ec3m. S\u1ef1 c\u1ed1 n\u00e0y kh\u00f4ng ch\u1ec9&#8230; <a class=\"view-article\" href=\"https:\/\/yp.com.vn\/huong-dan-xu-ly-an-toan-may-nen-khi-vuot-qua-ap-khong-tu-ng\/\">Xem b\u00e0i vi\u1ebft<\/a><\/p>\n","protected":false},"author":3,"featured_media":14346375,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ep_exclude_from_search":false,"footnotes":""},"categories":[2545],"tags":[],"class_list":["post-14346372","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-may-nen-khi-gas"],"acf":[],"_links":{"self":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/14346372","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/comments?post=14346372"}],"version-history":[{"count":2,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/14346372\/revisions"}],"predecessor-version":[{"id":14346377,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/14346372\/revisions\/14346377"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media\/14346375"}],"wp:attachment":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media?parent=14346372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/categories?post=14346372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/tags?post=14346372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}