{"id":5921,"date":"2025-07-08T15:43:53","date_gmt":"2025-07-08T07:43:53","guid":{"rendered":"https:\/\/kvhipot.com\/?p=5921"},"modified":"2025-07-08T15:50:22","modified_gmt":"2025-07-08T07:50:22","slug":"cac-dau-hieu-cho-thay-dau-cach-dien-cua-may-bien-ap-can-duoc-thay-the-hoac-tai-che","status":"publish","type":"post","link":"https:\/\/kvhipot.com\/vi\/signs-your-transformer-insulating-oil-needs-replacement-or-reclamation\/","title":{"rendered":"Nh\u1eefng d\u1ea5u hi\u1ec7u n\u00e0o cho th\u1ea5y d\u1ea7u c\u00e1ch \u0111i\u1ec7n c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p c\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf ho\u1eb7c t\u00e1i ch\u1ebf?"},"content":{"rendered":"

<\/h1>

D\u1ea7u bi\u1ebfn \u00e1p b\u1ecb l\u00e3o h\u00f3a \u0111e d\u1ecda \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a thi\u1ebft b\u1ecb. M\u1ed9t s\u1ef1 c\u1ed1 \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 g\u00e2y ra thi\u1ec7t h\u1ea1i nghi\u00eam tr\u1ecdng v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1n k\u00e9m. Vi\u1ec7c nh\u1eadn bi\u1ebft c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea7n thay d\u1ea7u ho\u1eb7c t\u00e1i ch\u1ebf d\u1ea7u s\u1ebd gi\u00fap ng\u0103n ch\u1eb7n \u0111i\u1ec1u n\u00e0y. C\u00e1c d\u1ea5u hi\u1ec7u ch\u00ednh bao g\u1ed3m \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i th\u1ea5p, h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed9 \u1ea9m cao, \u0111\u1ed9 axit t\u0103ng cao, m\u00e0u s\u1eafc b\u1ea5t th\u01b0\u1eddng v\u00e0 k\u1ebft qu\u1ea3 \u0111\u00e1ng lo ng\u1ea1i t\u1eeb ph\u00e2n t\u00edch kh\u00ed h\u00f2a tan (DGA). <\/p>

C\u00e1c d\u1ea5u hi\u1ec7u n\u00e0y cho th\u1ea5y d\u1ea7u c\u00e1ch \u0111i\u1ec7n kh\u00f4ng c\u00f2n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng c\u00e1ch \u0111i\u1ec7n v\u00e0 l\u00e0m m\u00e1t m\u00e1y bi\u1ebfn \u00e1p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, b\u00e1o hi\u1ec7u c\u1ea7n ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p x\u1eed l\u00fd ngay l\u1eadp t\u1ee9c. Hi\u1ec3u r\u00f5 c\u00e1c d\u1ea5u hi\u1ec7u n\u00e0y l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn nh\u1eb1m b\u1ea3o v\u1ec7 t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n, b\u1ea1n c\u1ea7n n\u1eafm r\u00f5 \u00fd ngh\u0129a th\u1ef1c s\u1ef1 c\u1ee7a c\u00e1c d\u1ea5u hi\u1ec7u n\u00e0y. B\u1ea1n c\u0169ng c\u1ea7n bi\u1ebft m\u00ecnh c\u00f3 nh\u1eefng l\u1ef1a ch\u1ecdn n\u00e0o. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra quan tr\u1ecdng gi\u00fap l\u00e0m r\u00f5 t\u00ecnh tr\u1ea1ng th\u1ef1c s\u1ef1 c\u1ee7a d\u1ea7u c\u00e1ch \u0111i\u1ec7n v\u00e0 h\u1ed7 tr\u1ee3 b\u1ea1n l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd t\u1ed1i \u01b0u.<\/p>

C\u00e1c th\u1eed nghi\u1ec7m n\u00e0o l\u00e0 quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng d\u1ea7u m\u00e1y bi\u1ebfn \u00e1p?<\/h2>

B\u1ea1n c\u00f3 th\u1ec3 nghi ng\u1edd r\u1eb1ng d\u1ea7u bi\u1ebfn \u00e1p c\u1ee7a m\u00ecnh \u0111ang b\u1ecb h\u1ecfng, nh\u01b0ng kh\u00f4ng th\u1ec3 ch\u1eafc ch\u1eafn n\u1ebfu kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u. Vi\u1ec7c ph\u1ecfng \u0111o\u00e1n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c thay d\u1ea7u qu\u00e1 s\u1edbm ho\u1eb7c, t\u1ec7 h\u01a1n n\u1eefa, g\u00e2y ra s\u1ef1 c\u1ed1 thi\u1ebft b\u1ecb b\u1ea5t ng\u1edd v\u00e0 t\u1ed1n k\u00e9m. Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m c\u1ee5 th\u1ec3, c\u00f3 m\u1ee5c ti\u00eau s\u1ebd cung c\u1ea5p cho b\u1ea1n d\u1eef li\u1ec7u r\u00f5 r\u00e0ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh m\u1ed9t c\u00e1ch t\u1ef1 tin. <\/p>

C\u00e1c th\u1eed nghi\u1ec7m quan tr\u1ecdng nh\u1ea5t bao g\u1ed3m: \u0110i\u1ec7n \u00e1p ph\u00e1 v\u1ee1 \u0111i\u1ec7n m\u00f4i (BDV) \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u00e1ch \u0111i\u1ec7n, ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 Karl Fischer \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed9 \u1ea9m, th\u1eed nghi\u1ec7m \u0111\u1ed9 axit \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 ph\u00e2n h\u1ee7y h\u00f3a h\u1ecdc, v\u00e0 Ph\u00e2n t\u00edch kh\u00ed h\u00f2a tan (DGA) \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i b\u00ean trong. T\u1ed5ng h\u1ee3p l\u1ea1i, c\u00e1c th\u1eed nghi\u1ec7m n\u00e0y cung c\u1ea5p m\u1ed9t \u0111\u00e1nh gi\u00e1 to\u00e0n di\u1ec7n v\u1ec1 t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p c\u1ee7a qu\u00fd kh\u00e1ch. T\u1ea1i nh\u00e0 m\u00e1y c\u1ee7a ch\u00fang t\u00f4i, ch\u00fang t\u00f4i ch\u1ebf t\u1ea1o c\u00e1c c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft cho c\u00e1c \u0111\u00e1nh gi\u00e1 n\u00e0y, ch\u1eb3ng h\u1ea1n nh\u01b0\u00a0M\u00e1y ki\u1ec3m tra d\u1ea7u bi\u1ebfn \u00e1p BDV<\/a> <\/strong>\u00a0\u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c x\u00e9t nghi\u1ec7m BDV v\u00e0 c\u1ee7a ch\u00fang t\u00f4i\u00a0M\u00e1y ki\u1ec3m tra s\u1eafc k\u00fd d\u1ea7u<\/a>\u00a0<\/strong>cho DGA.<\/p>

C\u00e1c b\u00e0i ki\u1ec3m tra n\u00e0y kh\u00f4ng ch\u1ec9 nh\u1eb1m thu th\u1eadp s\u1ed1 li\u1ec7u; m\u1ee5c \u0111\u00edch c\u1ee7a ch\u00fang l\u00e0 cung c\u1ea5p th\u00f4ng tin h\u1eefu \u00edch \u0111\u1ec3 \u0111\u01b0a ra h\u00e0nh \u0111\u1ed9ng c\u1ee5 th\u1ec3. V\u00ed d\u1ee5, ch\u1ec9 s\u1ed1 BDV th\u1ea5p t\u1eeb thi\u1ebft b\u1ecb ki\u1ec3m tra c\u1ee7a ch\u00fang t\u00f4i s\u1ebd tr\u1ef1c ti\u1ebfp cho k\u1ef9 s\u01b0 bi\u1ebft r\u1eb1ng ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a d\u1ea7u \u2014 c\u00e1ch \u0111i\u1ec7n \u2014 \u0111ang b\u1ecb suy gi\u1ea3m. \u0110i\u1ec1u n\u00e0y gi\u00fap chuy\u1ec3n h\u01b0\u1edbng cu\u1ed9c th\u1ea3o lu\u1eadn t\u1eeb \u201cT\u00f4i ngh\u0129 c\u00f3 v\u1ea5n \u0111\u1ec1\u201d sang \u201cCh\u00fang ta \u0111ang \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 m\u1ea5t kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n \u1edf m\u1ee9c X kV v\u00e0 c\u1ea7n ph\u1ea3i h\u00e0nh \u0111\u1ed9ng ngay.\u201d M\u1ee9c \u0111\u1ed9 r\u00f5 r\u00e0ng n\u00e0y l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c kh\u00e1ch h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i, nh\u1eefng ng\u01b0\u1eddi \u0111ang qu\u1ea3n l\u00fd c\u00e1c t\u00e0i s\u1ea3n quan tr\u1ecdng v\u00e0 \u0111\u1eaft ti\u1ec1n. M\u1ee5c ti\u00eau l\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh b\u1ea3o tr\u00ec th\u00f4ng minh, ng\u0103n ch\u1eb7n s\u1ef1 c\u1ed1 tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y ra.<\/p>

T\u00ean b\u00e0i ki\u1ec3m tra<\/th>Ch\u1ec9 s\u1ed1 n\u00e0y \u0111o l\u01b0\u1eddng \u0111i\u1ec1u g\u00ec<\/th>Ti\u00eau chu\u1ea9n (V\u00ed d\u1ee5)<\/th>K\u1ebft qu\u1ea3 t\u1ed3i t\u1ec7 n\u00e0y c\u00f3 \u00fd ngh\u0129a g\u00ec?<\/th><\/tr><\/thead>
S\u1ef1 ph\u00e1 v\u1ee1 \u0111i\u1ec7n m\u00f4i (BDV)<\/strong><\/td>Kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t \u0111i\u1ec7n c\u1ee7a d\u1ea7u tr\u01b0\u1edbc khi b\u1ecb ph\u00e2n h\u1ee7y.<\/td>IEC 60156<\/td>D\u1ea7u kh\u00f4ng c\u00f2n c\u00f3 th\u1ec3 c\u00e1ch \u0111i\u1ec7n hi\u1ec7u qu\u1ea3 n\u1eefa, d\u1eabn \u0111\u1ebfn nguy c\u01a1 cao x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang v\u00e0 h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng.<\/td><\/tr>
H\u00e0m l\u01b0\u1ee3ng \u0111\u1ed9 \u1ea9m (ph\u01b0\u01a1ng ph\u00e1p Karl Fischer)<\/strong><\/td>L\u01b0\u1ee3ng n\u01b0\u1edbc h\u00f2a tan trong d\u1ea7u, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng ph\u1ea7n tri\u1ec7u (ppm).<\/td>IEC 60814<\/td>N\u01b0\u1edbc l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i c\u1ee7a d\u1ea7u v\u00e0 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1eb1ng gi\u1ea5y trong m\u00e1y bi\u1ebfn \u00e1p.<\/td><\/tr>
\u0110\u1ed9 axit (S\u1ed1 trung h\u00f2a)<\/strong><\/td>M\u1ee9c \u0111\u1ed9 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 c\u00f3 t\u00ednh axit h\u00ecnh th\u00e0nh do qu\u00e1 tr\u00ecnh oxy h\u00f3a d\u1ea7u theo th\u1eddi gian.<\/td>IEC 62021-1<\/td>D\u1ea7u \u0111ang b\u1ecb ph\u00e2n h\u1ee7y h\u00f3a h\u1ecdc. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh c\u1eb7n b\u00f9n, l\u00e0m c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t v\u00e0 g\u00e2y \u0103n m\u00f2n c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i b\u00ean trong.<\/td><\/tr>
Ph\u00e2n t\u00edch kh\u00ed h\u00f2a tan (DGA)<\/strong><\/td>C\u00e1c lo\u1ea1i v\u00e0 l\u01b0\u1ee3ng c\u1ee5 th\u1ec3 c\u1ee7a c\u00e1c kh\u00ed h\u00f2a tan trong d\u1ea7u.<\/td>IEC 60599<\/td>C\u00e1c lo\u1ea1i kh\u00ed kh\u00e1c nhau cho th\u1ea5y c\u00e1c s\u1ef1 c\u1ed1 b\u00ean trong c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 qu\u00e1 nhi\u1ec7t (etylen), ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 (hydro) ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng h\u1ed3 quang (acetylen).<\/td><\/tr><\/tbody><\/table><\/figure>

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vi\u1ec7c thay d\u1ea7u v\u00e0 t\u00e1i ch\u1ebf d\u1ea7u l\u00e0 g\u00ec?<\/h2>

K\u1ebft qu\u1ea3 ki\u1ec3m tra d\u1ea7u c\u1ee7a b\u1ea1n kh\u00f4ng t\u1ed1t, v\u1eady b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 g\u00ec? B\u1ea1n \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi s\u1ef1 l\u1ef1a ch\u1ecdn gi\u1eefa vi\u1ec7c chi m\u1ed9t kho\u1ea3n ti\u1ec1n l\u1edbn \u0111\u1ec3 mua d\u1ea7u m\u1edbi ho\u1eb7c c\u1ed1 g\u1eafng x\u1eed l\u00fd d\u1ea7u c\u0169. L\u1ef1a ch\u1ecdn sai l\u1ea7m c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n l\u00e3ng ph\u00ed ti\u1ec1n b\u1ea1c v\u00e0 th\u1eddi gian, ho\u1eb7c kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 c\u1ed1t l\u00f5i. Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa hai gi\u1ea3i ph\u00e1p n\u00e0y l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. <\/p>

Thay d\u1ea7u c\u00f3 ngh\u0129a l\u00e0 x\u1ea3 h\u1ebft d\u1ea7u c\u0169 \u0111\u00e3 b\u1ecb suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed5 \u0111\u1ea7y d\u1ea7u m\u1edbi, ch\u01b0a qua s\u1eed d\u1ee5ng v\u00e0o m\u00e1y bi\u1ebfn \u00e1p. T\u00e1i ch\u1ebf d\u1ea7u, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00e1i sinh, l\u00e0 qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc ti\u00ean ti\u1ebfn \u0111\u1ec3 x\u1eed l\u00fd d\u1ea7u hi\u1ec7n c\u00f3, lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t nh\u01b0 \u0111\u1ed9 \u1ea9m, axit v\u00e0 c\u1eb7n b\u00f9n nh\u1eb1m kh\u00f4i ph\u1ee5c c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a d\u1ea7u. Nhi\u1ec1u kh\u00e1ch h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng kh\u00e1ch h\u00e0ng trong c\u00e1c l\u0129nh v\u1ef1c d\u1ef1a tr\u00ean d\u1ef1 \u00e1n nh\u01b0 s\u1ea3n xu\u1ea5t v\u00e0 truy\u1ec1n t\u1ea3i \u0111i\u1ec7n, c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng c\u00e1c l\u1ef1a ch\u1ecdn n\u00e0y. Thay d\u1ea7u l\u00e0 ph\u01b0\u01a1ng \u00e1n \u0111\u01a1n gi\u1ea3n nh\u01b0ng \u0111i k\u00e8m v\u1edbi chi ph\u00ed \u0111\u00e1ng k\u1ec3 cho d\u1ea7u m\u1edbi v\u00e0 vi\u1ec7c x\u1eed l\u00fd d\u1ea7u c\u0169, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra lo ng\u1ea1i v\u1ec1 m\u00f4i tr\u01b0\u1eddng. Ng\u01b0\u1ee3c l\u1ea1i, t\u00e1i ch\u1ebf d\u1ea7u l\u00e0 l\u1ef1a ch\u1ecdn b\u1ec1n v\u1eefng h\u01a1n v\u00e0 th\u01b0\u1eddng ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n. <\/p>

\u0110\u00e2y l\u00e0 quy tr\u00ecnh trong \u0111\u00f3 d\u1ea7u \u0111\u01b0\u1ee3c tu\u1ea7n ho\u00e0n qua m\u1ed9t nh\u00e0 m\u00e1y x\u1eed l\u00fd c\u00f3 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf \u0111\u1ed9 \u1ea9m, l\u1ecdc b\u1ecf c\u00e1c h\u1ea1t r\u1eafn v\u00e0 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 \u0111\u1ea5t Fuller \u0111\u1ec3 h\u1ea5p th\u1ee5 axit c\u00f9ng c\u00e1c s\u1ea3n ph\u1ea9m ph\u00e2n h\u1ee7y kh\u00e1c. M\u1ed9t l\u1ee3i th\u1ebf l\u1edbn m\u00e0 ch\u00fang t\u00f4i th\u01b0\u1eddng th\u1ea3o lu\u1eadn v\u1edbi kh\u00e1ch h\u00e0ng l\u00e0 vi\u1ec7c t\u00e1i ch\u1ebf th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong khi m\u00e1y bi\u1ebfn \u00e1p v\u1eabn \u0111ang ho\u1ea1t \u0111\u1ed9ng, gi\u00fap lo\u1ea1i b\u1ecf nhu c\u1ea7u ph\u1ea3i ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u2013 m\u1ed9t vi\u1ec7c t\u1ed1n k\u00e9m v\u00e0 g\u00e2y gi\u00e1n \u0111o\u1ea1n.<\/p>

T\u00ednh n\u0103ng<\/th>Thay d\u1ea7u<\/th>T\u00e1i ch\u1ebf d\u1ea7u<\/th><\/tr><\/thead>
Quy tr\u00ecnh<\/strong><\/td>X\u1ea3 h\u1ebft d\u1ea7u c\u0169, r\u1eeda s\u1ea1ch m\u00e1y bi\u1ebfn \u00e1p v\u00e0 \u0111\u1ed5 \u0111\u1ea7y d\u1ea7u m\u1edbi, s\u1ea1ch v\u00e0o \u0111\u00f3.<\/td>Cho d\u1ea7u hi\u1ec7n c\u00f3 l\u01b0u th\u00f4ng qua h\u1ec7 th\u1ed1ng x\u1eed l\u00fd t\u1ea1i ch\u1ed7 ho\u1eb7c ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m.<\/td><\/tr>
Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/strong><\/td>Trong su\u1ed1t qu\u00e1 tr\u00ecnh n\u00e0y, m\u00e1y bi\u1ebfn \u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c ng\u1eaft ngu\u1ed3n v\u00e0 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/td>Th\u01b0\u1eddng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n trong khi m\u00e1y bi\u1ebfn \u00e1p v\u1eabn \u0111ang \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n v\u00e0 \u0111ang ho\u1ea1t \u0111\u1ed9ng, gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 gi\u00e1n \u0111o\u1ea1n.<\/td><\/tr>
Chi ph\u00ed<\/strong><\/td>Chi ph\u00ed ban \u0111\u1ea7u cao do gi\u00e1 d\u1ea7u m\u1edbi v\u00e0 c\u00e1c kho\u1ea3n ph\u00ed li\u00ean quan \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd ch\u1ea5t th\u1ea3i nguy h\u1ea1i.<\/td>Th\u00f4ng th\u01b0\u1eddng, chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p h\u01a1n. Ph\u01b0\u01a1ng \u00e1n n\u00e0y t\u1eadn d\u1ee5ng l\u1ea1i t\u00e0i s\u1ea3n hi\u1ec7n c\u00f3 v\u00e0 gi\u00fap tr\u00e1nh ph\u1ea3i tr\u1ea3 ph\u00ed x\u1eed l\u00fd.<\/td><\/tr>
T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng<\/strong><\/td>T\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1ea7u th\u1ea3i, \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh.<\/td>M\u1ed9t gi\u1ea3i ph\u00e1p th\u00e2n thi\u1ec7n h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng, gi\u00fap t\u00e1i ch\u1ebf v\u00e0 t\u00e1i s\u1eed d\u1ee5ng d\u1ea7u, g\u00f3p ph\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c m\u1ee5c ti\u00eau ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng.<\/td><\/tr>
Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/strong><\/td>D\u1ea7u \u0111\u00e3 b\u1ecb xu\u1ed1ng c\u1ea5p nghi\u00eam tr\u1ecdng, c\u00f3 nhi\u1ec1u c\u1eb7n b\u00f9n, ho\u1eb7c khi m\u00e1y bi\u1ebfn \u00e1p c\u1ea7n ph\u1ea3i s\u1eeda ch\u1eefa b\u00ean trong.<\/td>D\u1ea7u b\u1ecb suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng \u1edf m\u1ee9c v\u1eeba ph\u1ea3i, trong \u0111\u00f3 d\u1ea7u g\u1ed1c v\u1eabn c\u00f2n t\u1ed1t nh\u01b0ng b\u1ecb nhi\u1ec5m n\u01b0\u1edbc, c\u00e1c h\u1ea1t r\u1eafn ho\u1eb7c axit.<\/td><\/tr><\/tbody><\/table><\/figure>

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea1n l\u1ef1a ch\u1ecdn gi\u1eefa vi\u1ec7c thay m\u1edbi v\u00e0 t\u00e1i ch\u1ebf d\u1ea7u bi\u1ebfn \u00e1p?<\/h2>

B\u1ea1n \u0111\u00e3 bi\u1ebft s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vi\u1ec7c thay th\u1ebf v\u00e0 ph\u1ee5c h\u1ed3i, nh\u01b0ng ph\u01b0\u01a1ng \u00e1n n\u00e0o m\u1edbi th\u1ef1c s\u1ef1 ph\u00f9 h\u1ee3p v\u1edbi t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 v\u00e0 thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n? Vi\u1ec7c \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh kh\u00f4ng t\u1ed1i \u01b0u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i c\u1ee7a t\u00e0i s\u1ea3n ho\u1eb7c d\u1eabn \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng ng\u00e2n s\u00e1ch b\u1ea3o tr\u00ec m\u1ed9t c\u00e1ch kh\u00f4ng hi\u1ec7u qu\u1ea3. Vi\u1ec7c \u00e1p d\u1ee5ng m\u1ed9t khung quy\u1ebft \u0111\u1ecbnh \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn. L\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn ph\u1ee5 thu\u1ed9c v\u00e0o k\u1ebft qu\u1ea3 ki\u1ec3m tra, tu\u1ed5i th\u1ecd v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p, c\u0169ng nh\u01b0 ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n. <\/p>

N\u1ebfu k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch kh\u00ed DGA cho th\u1ea5y n\u1ed3ng \u0111\u1ed9 cao c\u1ee7a c\u00e1c lo\u1ea1i kh\u00ed nh\u01b0 axetylen, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y c\u00f3 s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng b\u00ean trong. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, vi\u1ec7c t\u00e1i ch\u1ebf d\u1ea7u l\u00e0 kh\u00f4ng \u0111\u1ee7; m\u00e1y bi\u1ebfn \u00e1p c\u1ea7n \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa v\u00e0 d\u1ea7u ph\u1ea3i \u0111\u01b0\u1ee3c thay m\u1edbi. \u0110\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u00f3 \u0111\u1ed9 \u1ea9m ho\u1eb7c \u0111\u1ed9 axit cao nh\u01b0ng k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch kh\u00ed DGA v\u1eabn trong gi\u1edbi h\u1ea1n an to\u00e0n, vi\u1ec7c t\u00e1i ch\u1ebf d\u1ea7u l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. Quy tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh n\u00e0y l\u00e0 ch\u1ee7 \u0111\u1ec1 th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c t\u00f4i th\u1ea3o lu\u1eadn v\u1edbi c\u00e1c qu\u1ea3n l\u00fd b\u1ea3o tr\u00ec \u0111i\u1ec7n v\u00e0 k\u1ef9 s\u01b0 nh\u00e0 m\u00e1y \u0111i\u1ec7n. H\u1ecd d\u1ef1a v\u00e0o d\u1eef li\u1ec7u t\u1eeb thi\u1ebft b\u1ecb ki\u1ec3m tra c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a m\u00ecnh. <\/p>

V\u00ed d\u1ee5, n\u1ebfu ch\u00fang ta M\u00e1y ki\u1ec3m tra kh\u00ed SF6<\/strong> ph\u00e1t hi\u1ec7n ra s\u1ef1 r\u00f2 r\u1ec9 trong m\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch, quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u01b0a ra l\u00e0 s\u1eeda ch\u1eefa n\u00f3. T\u01b0\u01a1ng t\u1ef1, n\u1ebfu ch\u00fang ta M\u00e1y ki\u1ec3m tra d\u1ea7u bi\u1ebfn \u00e1p<\/strong> N\u1ebfu k\u1ebft qu\u1ea3 cho th\u1ea5y \u0111\u1ed9 \u1ea9m cao nh\u01b0ng h\u1ed3 s\u01a1 DGA t\u1ed1t, khuy\u1ebfn ngh\u1ecb l\u00e0 r\u1ea5t r\u00f5 r\u00e0ng: t\u00e1i ch\u1ebf d\u1ea7u. M\u1ee5c ti\u00eau lu\u00f4n l\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 ti\u1ebft ki\u1ec7m. Vai tr\u00f2 c\u1ee7a ch\u00fang t\u00f4i v\u1edbi t\u01b0 c\u00e1ch l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng ch\u1ec9 l\u00e0 b\u00e1n m\u1ed9t s\u1ea3n ph\u1ea9m, m\u00e0 c\u00f2n l\u00e0 cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 gi\u00fap kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng, d\u1ef1a tr\u00ean d\u1eef li\u1ec7u cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee7a h\u1ecd.<\/p>

K\u1ecbch b\u1ea3n k\u1ebft qu\u1ea3 ki\u1ec3m th\u1eed<\/th>M\u1ed1i quan t\u00e2m h\u00e0ng \u0111\u1ea7u<\/th>H\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/th>L\u00fd do<\/th><\/tr><\/thead>
H\u00e0m l\u01b0\u1ee3ng BDV th\u1ea5p, \u0111\u1ed9 \u1ea9m cao<\/td>C\u00e1ch nhi\u1ec7t k\u00e9m, nguy c\u01a1 h\u1ecfng h\u00f3c<\/td>Ph\u1ee5c h\u1ed3i<\/strong><\/td>\u0110\u00e2y l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec3n h\u00ecnh cho th\u1ea5y hi\u1ec7u qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p t\u00e1i ch\u1ebf. Quy tr\u00ecnh n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 cao trong vi\u1ec7c lo\u1ea1i b\u1ecf n\u01b0\u1edbc v\u00e0 kh\u00f4i ph\u1ee5c \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i, mang l\u1ea1i gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c nhanh ch\u00f3ng v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/td><\/tr>
\u0110\u1ed9 axit cao, c\u00e1c d\u1ea5u hi\u1ec7u ban \u0111\u1ea7u c\u1ee7a c\u1eb7n b\u00f9n<\/td>Ph\u00e2n h\u1ee7y h\u00f3a h\u1ecdc, kh\u1ea3 n\u0103ng l\u00e0m m\u00e1t k\u00e9m<\/td>T\u00e1i s\u1eed d\u1ee5ng hay thay th\u1ebf<\/strong><\/td>Qu\u00e1 tr\u00ecnh t\u00e1i s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf axit v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ph\u00e2n h\u1ee7y h\u00f2a tan. N\u1ebfu l\u01b0\u1ee3ng b\u00f9n \u00edt, \u0111\u00e2y l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi. N\u1ebfu l\u01b0\u1ee3ng b\u00f9n nhi\u1ec1u, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i thay n\u01b0\u1edbc sau khi x\u1ea3.<\/td><\/tr>
K\u1ebft qu\u1ea3 DGA kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u (v\u00ed d\u1ee5: h\u00e0m l\u01b0\u1ee3ng axetylen cao)<\/td>S\u1ef1 c\u1ed1 n\u1ed9i b\u1ed9 nghi\u00eam tr\u1ecdng (ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang)<\/td>Ki\u1ec3m tra v\u00e0 thay th\u1ebf<\/strong><\/td>D\u1ea7u b\u1ecb h\u1ecfng ch\u1ec9 l\u00e0 m\u1ed9t tri\u1ec7u ch\u1ee9ng c\u1ee7a m\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng h\u01a1n nhi\u1ec1u. C\u1ea7n ph\u1ea3i ki\u1ec3m tra m\u00e1y bi\u1ebfn \u00e1p \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c h\u01b0 h\u1ecfng b\u00ean trong. Sau khi s\u1eeda ch\u1eefa, ph\u1ea3i thay d\u1ea7u m\u1edbi cho m\u00e1y bi\u1ebfn \u00e1p.<\/td><\/tr>
M\u00e0u t\u1ed1i, nh\u01b0ng c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c \u0111\u1ec1u \u1ed5n<\/td>Qu\u00e1 tr\u00ecnh oxy h\u00f3a giai \u0111o\u1ea1n \u0111\u1ea7u<\/td>Theo d\u00f5i v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch<\/strong><\/td>Ch\u1ec9 ri\u00eang m\u00e0u s\u1eafc th\u00f4i th\u00ec ch\u01b0a ph\u1ea3i l\u00e0 l\u00fd do \u0111\u1ec3 th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c, nh\u01b0ng \u0111\u00f3 l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o. H\u00e3y t\u0103ng t\u1ea7n su\u1ea5t ki\u1ec3m tra \u0111\u1ec3 theo d\u00f5i t\u1ed1c \u0111\u1ed9 xu\u1ed1ng c\u1ea5p v\u00e0 l\u00ean k\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec trong t\u01b0\u01a1ng lai.<\/td><\/tr><\/tbody><\/table><\/figure>

K\u1ebft lu\u1eadn<\/h3>

Vi\u1ec7c th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra d\u1ea7u m\u00e1y bi\u1ebfn \u00e1p kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kho\u1ea3n chi ph\u00ed; \u0111\u00f3 l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 quan tr\u1ecdng. D\u1eef li\u1ec7u ch\u00ednh x\u00e1c t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111\u00e1ng tin c\u1eady s\u1ebd gi\u00fap qu\u00fd v\u1ecb \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t gi\u1eefa vi\u1ec7c t\u00e1i ch\u1ebf v\u00e0 thay th\u1ebf, t\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t c\u1ee7a t\u00e0i s\u1ea3n trong d\u00e0i h\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"

D\u1ea7u bi\u1ebfn \u00e1p b\u1ecb l\u00e3o h\u00f3a \u0111e d\u1ecda \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a thi\u1ebft b\u1ecb. M\u1ed9t s\u1ef1 c\u1ed1 \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 g\u00e2y ra thi\u1ec7t h\u1ea1i nghi\u00eam tr\u1ecdng v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1n k\u00e9m. Vi\u1ec7c nh\u1eadn bi\u1ebft c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea7n thay d\u1ea7u ho\u1eb7c t\u00e1i ch\u1ebf d\u1ea7u s\u1ebd gi\u00fap ng\u0103n ch\u1eb7n \u0111i\u1ec1u n\u00e0y. C\u00e1c d\u1ea5u hi\u1ec7u ch\u00ednh bao g\u1ed3m \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i th\u1ea5p, h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed9 \u1ea9m cao, \u0111\u1ed9 axit t\u0103ng cao, m\u00e0u s\u1eafc b\u1ea5t th\u01b0\u1eddng v\u00e0 k\u1ebft qu\u1ea3 \u0111\u00e1ng lo ng\u1ea1i t\u1eeb ph\u00e2n t\u00edch kh\u00ed h\u00f2a tan (DGA). <\/p>","protected":false},"author":1,"featured_media":5666,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[35],"tags":[],"_links":{"self":[{"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/posts\/5921"}],"collection":[{"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/comments?post=5921"}],"version-history":[{"count":3,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/posts\/5921\/revisions"}],"predecessor-version":[{"id":5931,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/posts\/5921\/revisions\/5931"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/media\/5666"}],"wp:attachment":[{"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/media?parent=5921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/categories?post=5921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/tags?post=5921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}