{"id":552,"date":"2025-05-24T01:24:38","date_gmt":"2025-05-24T01:24:38","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=552"},"modified":"2025-06-23T01:21:17","modified_gmt":"2025-06-23T01:21:17","slug":"nap-ho-ga-tran-bang-gang-deo","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/nap-ho-ga-tran-bang-gang-deo\/","title":{"rendered":"N\u1eafp h\u1ed1 ga tr\u00e0n b\u1eb1ng gang d\u1ebbo"},"content":{"rendered":"<h3 class=\"wp-block-heading\">T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt \u00a0<\/h3>\n\n\n\n<p><strong>1. V\u1eadt li\u1ec7u &amp; Quy tr\u00ecnh \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ea5t n\u1ec1n gang d\u1ebbo: Ph\u00e2n b\u1ed1 graphite h\u00ecnh c\u1ea7u th\u00f4ng qua x\u1eed l\u00fd magi\u00ea\/\u0111\u1ea5t hi\u1ebfm, c\u01b0\u1eddng \u0111\u1ed9 k\u00e9o \u2265420 MPa, \u0111\u1ed9 gi\u00e3n d\u00e0i \u226510%, mang l\u1ea1i \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i \u0111\u1ed9ng v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi gang x\u00e1m. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>Thi\u1ebft k\u1ebf l\u1ed7 tr\u00e0n: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c l\u1ed7 \u0111\u1ecbnh h\u01b0\u1edbng (h\u00ecnh ch\u1eef nh\u1eadt\/h\u00ecnh t\u1ed5 ong) c\u00f3 kh\u1ea3 n\u0103ng tho\u00e1t n\u01b0\u1edbc \u226550 L\/s\u00b7m\u00b2, \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 l\u01b0\u1ee3ng m\u01b0a c\u1ef1c l\u1edbn (v\u00ed d\u1ee5: s\u1ef1 ki\u1ec7n b\u00e3o 100 n\u0103m m\u1ed9t l\u1ea7n). \u00a0<\/li>\n\n\n\n<li>C\u00e1c c\u1ea1nh l\u1ed7 \u0111\u01b0\u1ee3c gia c\u1ed1 gi\u00fap ng\u0103n ch\u1eb7n m\u1ea3nh v\u1ee5n l\u00e0m t\u1eafc ngh\u1ebdn, gi\u1ea3m t\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec. \u00a0<\/li>\n\n\n\n<li>Quy tr\u00ecnh ch\u1ed1ng \u0103n m\u00f2n: Phun k\u1ebdm (\u226580 \u03bcm) + l\u1edbp ph\u1ee7 nh\u1ef1a than epoxy, kh\u1ea3 n\u0103ng ch\u1ed1ng phun mu\u1ed1i \u22651.000 gi\u1edd (ASTM B117), kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch pH 4\u201311, tu\u1ed5i th\u1ecd \u226530 n\u0103m. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ec1 m\u1eb7t ch\u1ed1ng tr\u01b0\u1ee3t: H\u00ecnh thoi ho\u1eb7c h\u00ecnh s\u00f3ng (h\u1ec7 s\u1ed1 ma s\u00e1t \u22650,65), \u0111\u1ea3m b\u1ea3o ch\u1ed1ng tr\u01b0\u1ee3t khi tr\u1eddi m\u01b0a\/tuy\u1ebft. \u00a0<\/li>\n\n\n\n<li>Kh\u00f3a ch\u1ed1ng tr\u1ed9m: Kh\u00f3a l\u00f2 xo ba \u0111i\u1ec3m ho\u1eb7c ch\u1ed1t b\u1ea3n l\u1ec1 y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng (v\u00ed d\u1ee5: c\u1edd l\u00ea ch\u1eef T), ng\u0103n ch\u1eb7n tr\u1ed9m c\u1eafp (th\u1eddi gian th\u00e1o d\u1ee1 \u226520 ph\u00fat, gi\u1ea3m tr\u1ed9m c\u1eafp 90%). \u00a0<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a tr\u00e0n: \u0110\u1ed9 d\u1ed1c chuy\u1ec3n h\u01b0\u1edbng \u0111\u00e1y (\u0111\u1ed9 d\u1ed1c 0,5%\u20131%) gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 d\u00f2ng n\u01b0\u1edbc m\u01b0a ch\u1ea3y v\u00e0o \u0111\u01b0\u1eddng \u1ed1ng, gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng \u1ee9 \u0111\u1ecdng tr\u00ean b\u1ec1 m\u1eb7t. \u00a0<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i \u00a0<\/h3>\n\n\n\n<p><strong>1. Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tho\u00e1t n\u01b0\u1edbc c\u00f4ng su\u1ea5t cao: C\u00e1c l\u1ed7 tr\u00e0n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 l\u00ean 40% so v\u1edbi c\u00e1c n\u1eafp \u0111\u1eady ti\u00eau chu\u1ea9n, gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng ng\u1eadp l\u1ee5t \u0111\u00f4 th\u1ecb (v\u00ed d\u1ee5: n\u00e2ng c\u1ea5p sau c\u01a1n b\u00e3o th\u00e1ng 7 n\u0103m 2021 \u1edf Tr\u1ecbnh Ch\u00e2u). \u00a0<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp: C\u01b0\u1eddng \u0111\u1ed9 n\u00e9n 400\u2013600 MPa, ch\u1ecbu \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u0169 l\u1ee5t v\u00e0 thi\u1ebft b\u1ecb n\u1eb7ng (c\u1ea5p D400: t\u1ea3i tr\u1ecdng 40 t\u1ea5n). \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>2. \u0110\u1ed9 b\u1ec1n v\u00e0 an to\u00e0n cao \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi: Ch\u1ecbu \u0111\u01b0\u1ee3c 2 tri\u1ec7u chu k\u1ef3 t\u1ea3i tr\u1ecdng \u0111\u1ed9ng m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng, l\u00fd t\u01b0\u1edfng cho vi\u1ec7c b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean. \u00a0<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf ch\u1ed1ng r\u01a1i (kho\u1ea3ng c\u00e1ch \u226415 mm) ng\u0103n ng\u1eeba r\u01a1i v\u00f4 t\u00ecnh, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n an to\u00e0n EN124. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>3. Hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u00e0 t\u00ednh b\u1ec1n v\u1eefng \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chi ph\u00ed v\u00f2ng \u0111\u1eddi th\u1ea5p: Kh\u00f4ng c\u1ea7n thay th\u1ebf th\u01b0\u1eddng xuy\u00ean (tu\u1ed5i th\u1ecd g\u1ea5p 3 l\u1ea7n so v\u1edbi v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p), 60% c\u00f3 chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n. <\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u t\u00e1i ch\u1ebf 100% v\u1edbi l\u01b0\u1ee3ng kh\u00ed th\u1ea3i carbon th\u1ea5p h\u01a1n 50% so v\u1edbi th\u00e9p \u0111\u00fac, ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee9ng nh\u1eadn LEED. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>4. Ti\u1ec1m n\u0103ng t\u00edch h\u1ee3p th\u00f4ng minh \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c m\u00f4 h\u00ecnh h\u1ed7 tr\u1ee3 IoT theo d\u00f5i m\u1ef1c n\u01b0\u1edbc, l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y v\u00e0 t\u00ecnh tr\u1ea1ng \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ec3 qu\u1ea3n l\u00fd tho\u00e1t n\u01b0\u1edbc th\u00f4ng minh theo th\u1eddi gian th\u1ef1c (v\u00ed d\u1ee5: d\u1ef1 \u00e1n th\u00ed \u0111i\u1ec3m n\u01b0\u1edbc th\u00f4ng minh c\u1ee7a Th\u00e2m Quy\u1ebfn). \u00a0<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng \u00a0<\/h3>\n\n\n\n<p><strong>1. Khu v\u1ef1c \u0111\u00f4 th\u1ecb d\u1ec5 b\u1ecb ng\u1eadp l\u1ee5t \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1eddng th\u1ea5p, l\u1ed1i v\u00e0o \u0111\u01b0\u1eddng h\u1ea7m (v\u00ed d\u1ee5, d\u1ef1 \u00e1n c\u1ea3i t\u1ea1o Nam H\u1ed3 \u1edf V\u0169 H\u00e1n), x\u1ea3 n\u01b0\u1edbc nhanh. \u00a0<\/li>\n\n\n\n<li>C\u00e1c c\u1eeda x\u1ea3 tr\u00e0n b\u1edd s\u00f4ng, b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng \u1ed1ng kh\u1ecfi l\u0169 l\u1ee5t. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Trung t\u00e2m c\u00f4ng nghi\u1ec7p v\u00e0 giao th\u00f4ng \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecf b\u1ecdc ch\u1ed1ng axit cho nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t (n\u00e2ng c\u1ea5p l\u1edbp ph\u1ee7 polyurethane, t\u01b0\u01a1ng th\u00edch v\u1edbi pH 3\u201312). \u00a0<\/li>\n\n\n\n<li>S\u00e2n bay\/nh\u00e0 ga xe l\u1eeda \u0111\u1ea3m b\u1ea3o l\u01b0u th\u00f4ng trong th\u1eddi gian m\u01b0a l\u1edbn. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>3. Khu v\u1ef1c nh\u1ea1y c\u1ea3m v\u1ec1 sinh th\u00e1i \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00f4ng vi\u00ean \u0111\u1ea5t ng\u1eadp n\u01b0\u1edbc, khu v\u1ef1c th\u00e0nh ph\u1ed1 b\u1ecdt bi\u1ec3n: L\u1ed7 tr\u00e0n + b\u1ed9 l\u1ecdc sinh th\u00e1i \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ea3nh v\u1ee5n v\u00e0 l\u1ecdc n\u01b0\u1edbc m\u01b0a. \u00a0<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng c\u1eeda ch\u1eafn th\u1ee7y tri\u1ec1u ven bi\u1ec3n (v\u00ed d\u1ee5, d\u1ef1 \u00e1n Hengqin c\u1ee7a Chu H\u1ea3i), ch\u1ed1ng \u0103n m\u00f2n clorua. \u00a0<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n &amp; H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn \u00a0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Qu\u1ed1c t\u1ebf: EN124 (t\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c), ISO1083 (gang d\u1ebbo). \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>Trung Qu\u1ed1c: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GB\/T23858-2009 (n\u1eafp h\u1ed1 ga). \u00a0<\/li>\n\n\n\n<li>CJ\/T511-2017 (n\u1eafp gang d\u1ebbo). \u00a0<\/li>\n\n\n\n<li>GB50014-2021 (quy \u0111\u1ecbnh thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc ngo\u00e0i tr\u1eddi). \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kh\u1ea3 n\u0103ng tho\u00e1t n\u01b0\u1edbc: Ph\u00f9 h\u1ee3p k\u00edch th\u01b0\u1edbc\/m\u1eadt \u0111\u1ed9 l\u1ed7 v\u1edbi c\u00f4ng th\u1ee9c c\u01b0\u1eddng \u0111\u1ed9 m\u01b0a t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng. \u00a0<\/li>\n\n\n\n<li>T\u1ea3i tr\u1ecdng: D400 (40 t\u1ea5n) cho \u0111\u01b0\u1eddng b\u1ed9; C250 (25 t\u1ea5n) cho v\u00e0nh \u0111ai xanh. \u00a0<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n c\u1ee7a nh\u00e0 cung c\u1ea5p: \u01afu ti\u00ean c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 ch\u1ee9ng nh\u1eadn ISO9001 (v\u00ed d\u1ee5: \u1ed0ng gang d\u1ebbo Xinxing, Saint-Gobain PAM). \u00a0<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea3n t\u00f3m t\u1eaft \u00a0<\/h3>\n\n\n\n<p>N\u1eafp h\u1ed1 ga tr\u00e0n b\u1eb1ng gang d\u1ebbo \u0111\u1ecbnh ngh\u0129a l\u1ea1i c\u00e1ch qu\u1ea3n l\u00fd n\u01b0\u1edbc m\u01b0a \u0111\u00f4 th\u1ecb th\u00f4ng qua quy \u0111\u1ecbnh th\u00f4ng minh, kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i m\u00f4i tr\u01b0\u1eddng c\u1ef1c cao v\u00e0 thi\u1ebft k\u1ebf th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. \u0110i\u1ec3m m\u1ea1nh ch\u00ednh: &nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1. Ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng ch\u00ednh x\u00e1c: \u0110i\u1ec1u ch\u1ec9nh tr\u00e0n \u0111\u1ed9ng c\u00e2n b\u1eb1ng gi\u1eefa an to\u00e0n tho\u00e1t n\u01b0\u1edbc v\u00e0 b\u1ea3o v\u1ec7 sinh th\u00e1i. &nbsp;<\/li>\n\n\n\n<li>2. Ti\u1ebft ki\u1ec7m to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi: Ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec trong 30 n\u0103m, chi ph\u00ed v\u00f2ng \u0111\u1eddi th\u1ea5p h\u01a1n 40% so v\u1edbi k\u1ebft c\u1ea5u b\u00ea t\u00f4ng. &nbsp;<\/li>\n\n\n\n<li>3. Trao quy\u1ec1n th\u00f4ng minh: Vi\u1ec7c ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u gi\u00fap \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh s\u1ed1 h\u00f3a h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc. &nbsp;<\/li>\n\n\n\n<li>S\u1ea3n ph\u1ea9m n\u00e0y l\u00e0 gi\u1ea3i ph\u00e1p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng chi\u1ebfn l\u01b0\u1ee3c cho t\u00ecnh tr\u1ea1ng m\u01b0a l\u1edbn do bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c khu v\u1ef1c \u0111\u00f4 th\u1ecb m\u1eadt \u0111\u1ed9 cao, v\u00f9ng nh\u1ea1y c\u1ea3m v\u1ec1 sinh th\u00e1i v\u00e0 h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p. &nbsp;<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03c6700, 450\u00d7750 &nbsp;<\/li>\n\n\n\n<li>C250\u2014E600<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt 1. Thi\u1ebft k\u1ebf l\u1ed7 tr\u00e0n v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh: 2. \u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i v\u1ec1 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u 1. Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t 2. \u0110\u1ed9 b\u1ec1n v\u00e0 an to\u00e0n cao 3. Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 t\u00ednh b\u1ec1n v\u1eefng 4. T\u00edch h\u1ee3p th\u00f4ng minh \u1ee8ng d\u1ee5ng ti\u1ec1m n\u0103ng 1. Khu v\u1ef1c \u0111\u00f4 th\u1ecb d\u1ec5 b\u1ecb ng\u1eadp l\u1ee5t 2. Trung t\u00e2m c\u00f4ng nghi\u1ec7p v\u00e0 giao th\u00f4ng 3. Nh\u1ea1y c\u1ea3m v\u1edbi h\u1ec7 sinh th\u00e1i [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,45,2],"tags":[75,63,77],"class_list":["post-552","post","type-post","status-publish","format-standard","hentry","category-ductile-cast-iron-products","category-grate","category-products","tag-ductile-iron","tag-manhole-cover","tag-overflow-manhole-cover"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ductile Cast Iron Overflow Manhole Cover Grate - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The ductile iron overflow manhole cover is a specialized cover designed for urban drainage systems, crafted from QT500-7 ductile iron. 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