{"id":6247301,"date":"2022-01-14T01:49:39","date_gmt":"2022-01-14T01:49:39","guid":{"rendered":"https:\/\/yp.vn\/?p=6247301"},"modified":"2022-01-14T10:18:02","modified_gmt":"2022-01-14T03:18:02","slug":"nguyen-ly-lam-viec-may-nen-khi-truc-vit-va-cac-dong-thiet-bi-nen-khi-truc-vit-pho-bien-chat-luong","status":"publish","type":"post","link":"https:\/\/yp.vn\/nguyen-ly-lam-viec-may-nen-khi-truc-vit-va-cac-dong-thiet-bi-nen-khi-truc-vit-pho-bien-chat-luong\/","title":{"rendered":"Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt v\u00e0 C\u00e1c d\u00f2ng thi\u1ebft b\u1ecb n\u00e9n kh\u00ed tr\u1ee5c v\u00edt ph\u1ed5 bi\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng"},"content":{"rendered":"

A. Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c m\u00e1y n\u00e9n kh\u00ed<\/a> tr\u1ee5c v\u00edt<\/h2>\n

Nh\u01b0 \u0111\u1ecbnh ngh\u0129a, nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt l\u00e0 n\u00e9n th\u1ec3 t\u00edch v\u1edbi hai tr\u1ee5c v\u00edt h\u00ecnh xo\u1eafn \u1ed1c \u0111\u01b0\u1ee3c \u0111\u1eb7t trong 1 khoang ch\u1ee9a g\u1ecdi l\u00e0 \u0111\u1ea7u n\u00e9n: \u0111\u1ef1c v\u00e0 c\u00e1i. Khi 2 tr\u1ee5c v\u00edt n\u00e0y quay ng\u01b0\u1ee3c chi\u1ec1u s\u1ebd t\u1ea1o ra kho\u1ea3ng ch\u00e2n kh\u00f4ng h\u00fat kh\u00f4ng kh\u00ed t\u1eeb b\u00ean ngo\u00e0i v\u00e0o \u0111\u1ea7u n\u00e9n. \u0110\u1ed3ng th\u1eddi kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c n\u00e9n l\u00ean \u00e1p su\u1ea5t khi tho\u00e1t kh\u1ecfi \u0111\u1ea7u n\u00e9n (8 bar \u2013 16 bar t\u00f9y lo\u1ea1i).<\/p>\n

<\/span>1. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed<\/a> tr\u1ee5c v\u00edt c\u00f3 d\u1ea7u<\/h3>\n

M\u00e1y n\u00e9n kh\u00ed c\u00f3 d\u1ea7u tr\u1ee5c v\u00edt \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 sau:<\/p>\n

\u0110\u1ed9ng c\u01a1 ch\u00ednh quay => 2 \u0111\u1ea7u tr\u1ee5c v\u00edt quay ng\u01b0\u1ee3c chi\u1ec1u => kh\u00f4ng kh\u00ed \u0111i v\u00e0o \u0111\u1ea7u n\u00e9n qua l\u1ecdc kh\u00ed v\u00e0 tr\u1ed9n c\u00f9ng d\u1ea7u l\u00e0m m\u00e1t => l\u00e0m m\u00e1t v\u00e0 l\u00e0m k\u00edn khe h\u1edf c\u1ee7a tr\u1ee5c v\u00edt.<\/p>\n

H\u1ed7n h\u1ee3p d\u1ea7u v\u00e0 kh\u00ed \u0111i qua c\u1eeda x\u1ea3 \u0111\u1ea7u n\u00e9n khi \u0111\u01b0\u1ee3c t\u0103ng \u00e1p su\u1ea5t l\u00ean => v\u00e0o b\u00ecnh ch\u1ee9a d\u1ea7u.<\/p>\n

D\u1ea7u \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i b\u00ecnh nh\u1edd l\u1ecdc t\u00e1ch => \u0111\u1ea9y ng\u01b0\u1ee3c d\u1ea7u qua gi\u00e0n l\u00e0m m\u00e1t d\u1ea7u nh\u1edd \u00e1p l\u1ef1c trong b\u00ecnh => qua l\u1ecdc d\u1ea7u r\u1ed3i v\u1ec1 \u0111\u1ea7u n\u00e9n kh\u00ed => kh\u00f4ng kh\u00ed \u0111\u1ea7u v\u00e0o \u0111\u01b0\u1ee3c h\u00f2a tr\u1ed9n v\u1edbi d\u1ea7u v\u00e0 th\u1ef1c hi\u1ec7n chu tr\u00ecnh ti\u1ebfp theo.<\/p>\n

Kh\u00ed n\u00e9n t\u1eeb b\u00ecnh ch\u1ee9a h\u1ed7n h\u1ee3p d\u1ea7u v\u00e0 kh\u00ed \u0111i qua l\u1ecdc t\u00e1ch d\u1ea7u => \u0111\u1ebfn van \u00e1p su\u1ea5t t\u1ed1i thi\u1ec3u => \u0111\u1ebfn gi\u00e0n l\u00e0m m\u00e1t kh\u00ed => \u0111i \u0111\u1ebfn h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng b\u00ean ngo\u00e0i.<\/p>\n

\"Nguy\u00ean<\/p>\n

2. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed<\/a> tr\u1ee5c v\u00edt kh\u00f4ng d\u1ea7u<\/h3>\n

M\u00e1y n\u00e9n kh\u00ed kh\u00f4ng d\u1ea7u tr\u1ee5c v\u00edt \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng v\u1edbi \u0111\u01b0\u1eddng kh\u00f4ng kh\u00ed v\u00e0 \u0111\u01b0\u1eddng d\u1ea7u ri\u00eang bi\u1ec7t do ch\u00fang kh\u00f4ng h\u00f2a tr\u1ed9n v\u00e0o nhau.<\/p>\n

Chu tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng trong \u0111\u01b0\u1eddng kh\u00ed: Kh\u00f4ng kh\u00ed => van c\u1eeda n\u1ea1p => \u0111\u1ea7u n\u00e9n c\u1ea5p 1 => n\u00e9n l\u00ean \u00e1p su\u1ea5t 2 \u2013 2.5 bar => gi\u00e0n t\u1ea3n nhi\u1ec7t trung gian => \u0111\u1ea7u n\u00e9n c\u1ea5p 2 n\u00e9n l\u00ean \u00e1p su\u1ea5t 8 \u2013 9 bar => gi\u00e0n t\u1ea3n nhi\u1ec7t kh\u00ed => h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng b\u00ean ngo\u00e0i.<\/p>\n

Chu tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng trong \u0111\u01b0\u1eddng d\u1ea7u: D\u1ea7u \u0111\u01b0\u1ee3c b\u01a1m \u0111\u1ea9y trong b\u1ec3 ch\u1ee9a d\u1ea7u \u0111\u1ebfn gi\u00e0n l\u00e0m m\u00e1t d\u1ea7u => l\u1ecdc d\u1ea7u => truy\u1ec1n \u0111\u1ebfn c\u00e1c \u1ed5 bi c\u1ee7a \u0111\u1ea7u n\u00e9n v\u00e0 b\u00e1nh r\u0103ng truy\u1ec1n \u0111\u1ed9ng \u0111\u1ec3 b\u00f4i tr\u01a1n => tr\u1edf l\u1ea1i b\u1ec3 ch\u1ee9a d\u1ea7u => chu tr\u00ecnh kh\u00e9p k\u00edn ti\u1ebfp theo.<\/p>\n

\n
\"Nguy\u00ean<\/figure>\n

B. C\u00e1c d\u00f2ng thi\u1ebft b\u1ecb n\u00e9n kh\u00ed tr\u1ee5c v\u00edt ph\u1ed5 bi\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n

Hi\u1ec7n nay tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u d\u00f2ng thi\u1ebft b\u1ecb n\u00e9n kh\u00ed tr\u1ee5c v\u00edt \u0111a d\u1ea1ng t\u1eeb th\u01b0\u01a1ng hi\u1ec7u \u0111\u1ebfn c\u00f4ng su\u1ea5t. Trong \u0111\u00f3 c\u00e1c th\u01b0\u01a1ng hi\u1ec7u \u0111ang \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng l\u00e0: Hitachi \u2013 Nh\u1eadt B\u1ea3n, Compkorea \u2013 H\u00e0n Qu\u1ed1c, Puma \u2013 \u0110\u00e0i Loan, TMPM10A Pegasus \u2013 Vi\u1ec7t Nam, Kaishan \u2013 Trung Qu\u1ed1c, Kobelco, Compkorea model CKDX 660\u2026<\/p>\n

C\u00e1c th\u01b0\u01a1ng hi\u1ec7u \u0111\u1ec1u ch\u00fa tr\u1ecdng v\u00e0o nh\u1eefng d\u00f2ng m\u00e1y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ho\u00e0n c\u1ea3nh bao g\u1ed3m: m\u00e1y n\u00e9n 10Hp, 30Hp, 50Hp.<\/p>\n

<\/span>1. M\u00e1y n\u00e9n kh\u00ed<\/a> 10Hp<\/h3>\n

V\u1edbi c\u00f4ng su\u1ea5t 7.5Kw, m\u00e1y n\u00e9n kh\u00ed 10Hp \u0111\u01b0\u1ee3c coi l\u00e0 thi\u1ebft b\u1ecb n\u00e9n kh\u00ed ho\u00e0n h\u1ea3o thay th\u1ebf cho Piston tr\u01b0\u1edbc \u0111\u00e2y. \u0110\u1eb7c bi\u1ec7t, d\u00f2ng m\u00e1y n\u00e0y th\u00edch h\u1ee3p cho nhu c\u1ea7u c\u00f4ng vi\u1ec7c c\u1ea7n s\u1eed d\u1ee5ng kh\u00ed n\u00e9n th\u1ea5p nh\u01b0ng y\u00eau c\u1ea7u t\u1ea7n su\u1ea5t li\u00ean t\u1ee5c.<\/p>\n

Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chung c\u1ee7a m\u00e1y n\u00e9n kh\u00ed 10Hp:<\/p>\n