{"id":1462,"date":"2025-11-25T10:47:00","date_gmt":"2025-11-25T10:47:00","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=1462"},"modified":"2025-11-25T06:05:37","modified_gmt":"2025-11-25T06:05:37","slug":"tai-sao-moi-nguoi-lai-chon-nap-ho-ga-gang-deo-d400","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/tai-sao-moi-nguoi-lai-chon-nap-ho-ga-gang-deo-d400\/","title":{"rendered":"T\u1ea1i sao m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u ch\u1ecdn n\u1eafp h\u1ed1 ga b\u1eb1ng gang d\u1ebbo D400"},"content":{"rendered":"

L\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb, n\u1eafp h\u1ed1 ga gang d\u1ebbo D400 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ecb tr\u01b0\u1eddng c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i nh\u1edd hi\u1ec7u su\u1ea5t ch\u1ecbu t\u1ea3i v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i. X\u1ebfp h\u1ea1ng D400 bi\u1ec3u th\u1ecb kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i 400 kN, cho ph\u00e9p \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t c\u1ee7a c\u00e1c khu v\u1ef1c ch\u1ecbu t\u1ea3i n\u1eb7ng nh\u01b0 \u0111\u01b0\u1eddng ch\u00ednh \u0111\u00f4 th\u1ecb, \u0111\u01b0\u1eddng cao t\u1ed1c, c\u1ea3ng v\u00e0 nh\u00e0 ga. Lo\u1ea1i n\u1eafp n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u gang d\u1ebbo c\u1ea5p QT500-7 ho\u1eb7c cao h\u01a1n. Th\u00f4ng qua quy tr\u00ecnh x\u1eed l\u00fd c\u1ea7u h\u00f3a khoa h\u1ecdc, v\u1eadt li\u1ec7u v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u00fac tuy\u1ec7t v\u1eddi c\u1ee7a gang trong khi \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc g\u1ea7n v\u1edbi th\u00e9p. \u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u1ea1t tr\u00ean 500 MPa, v\u1edbi gi\u1edbi h\u1ea1n ch\u1ea3y kh\u00f4ng d\u01b0\u1edbi 320 MPa, ho\u00e0n to\u00e0n tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n qu\u1ed1c gia GB\/T 23858. Trong b\u1ed1i c\u1ea3nh \u0111\u00f4 th\u1ecb h\u00f3a hi\u1ec7n \u0111\u1ea1i \u0111ang di\u1ec5n ra nhanh ch\u00f3ng, n\u1eafp h\u1ed1 ga gang d\u1ebbo D400 \u0111\u00e3 tr\u1edf th\u00e0nh c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n \u0111\u01b0\u1eddng b\u1ed9 v\u00e0 duy tr\u00ec \u0111\u01b0\u1eddng \u1ed1ng ng\u1ea7m th\u00f4ng su\u1ed1t.<\/p>\n\n\n

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Trong s\u1ed1 nhi\u1ec1u nh\u00e0 cung c\u1ea5p n\u1eafp h\u1ed1 ga gang d\u1ebbo D400, Luzhongbao n\u1ed5i b\u1eadt nh\u1edd nh\u1eefng \u01b0u \u0111i\u1ec3m k\u1ef9 thu\u1eadt \u0111\u1ed9c \u0111\u00e1o v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u01b0\u1ee3t tr\u1ed9i. So v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c, Luzhongbao \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng \u0111\u1ed9t ph\u00e1 to\u00e0n di\u1ec7n v\u1ec1 c\u00f4ng th\u1ee9c v\u1eadt li\u1ec7u, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c t\u00e1c nh\u00e2n c\u1ea7u h\u00f3a h\u1ee3p kim magie \u0111\u1ea5t hi\u1ebfm \u0111\u1eb7c bi\u1ec7t v\u00e0 quy tr\u00ecnh x\u1eed l\u00fd c\u1ea7u h\u00f3a ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 c\u1ea7u h\u00f3a graphite \u1ed5n \u0111\u1ecbnh tr\u00ean 90%, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u. \u0110\u1ed3ng th\u1eddi, th\u00f4ng qua quy tr\u00ecnh \u0111\u00fac ti\u00ean ti\u1ebfn v\u00e0 h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t, m\u1ecdi s\u1ea3n ph\u1ea9m \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o c\u00f3 hi\u1ec7u su\u1ea5t ch\u1ecbu t\u1ea3i \u1ed5n \u0111\u1ecbnh v\u00e0 tu\u1ed5i th\u1ecd v\u01b0\u1ee3t tr\u1ed9i. Nh\u1eefng \u01b0u \u0111i\u1ec3m c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i n\u00e0y cho ph\u00e9p n\u1eafp h\u1ed1 ga gang d\u1ebbo D400 c\u1ee7a Luzhongbao duy tr\u00ec v\u1ecb th\u1ebf d\u1eabn \u0111\u1ea7u tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u1ea1nh tranh cao.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a n\u1eafp h\u1ed1 ga gang d\u1ebbo Luzhongbao D400<\/h2>\n\n\n\n

Khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t tuy\u1ec7t v\u1eddi<\/h3>\n\n\n\n

N\u1eafp h\u1ed1 ga gang d\u1ebbo Luzhongbao D400 s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c v\u1eadt li\u1ec7u \u0111\u1ed9c \u0111\u00e1o. D\u1ef1a tr\u00ean gang d\u1ebbo truy\u1ec1n th\u1ed1ng, nhi\u1ec1u nguy\u00ean t\u1ed1 h\u1ee3p kim kh\u00e1c nhau \u0111\u01b0\u1ee3c b\u1ed5 sung, v\u00e0 th\u00f4ng qua quy tr\u00ecnh h\u00ecnh c\u1ea7u h\u00f3a v\u00e0 ti\u00eam ch\u1ee7ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c, c\u1ea5u tr\u00fac kim lo\u1ea1i c\u1ee7a v\u1eadt li\u1ec7u tr\u1edf n\u00ean \u0111\u1eb7c h\u01a1n v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n. C\u00f4ng th\u1ee9c v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn n\u00e0y cho ph\u00e9p s\u1ea3n ph\u1ea9m \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o v\u01b0\u1ee3t qu\u00e1 550 MPa, v\u01b0\u1ee3t xa y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n qu\u1ed1c gia l\u00e0 500 MPa, \u0111\u1ed3ng th\u1eddi duy tr\u00ec \u0111\u1ed9 gi\u00e3n d\u00e0i tr\u00ean 10%, k\u1ebft h\u1ee3p \u0111\u1ed9 b\u1ec1n cao v\u1edbi \u0111\u1ed9 d\u1ebbo dai cao. V\u1ec1 c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t, c\u00f4ng ngh\u1ec7 \u0111\u00fac b\u1ecdt ti\u00ean ti\u1ebfn v\u00e0 h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 th\u00f4ng minh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m \u0111\u00fac kh\u00f4ng c\u00f3 khuy\u1ebft t\u1eadt b\u00ean trong nh\u01b0 l\u1ed7 r\u1ed7ng co ng\u00f3t v\u00e0 r\u1ed7 kh\u00ed, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u1ed1n c\u00f3 c\u1ee7a s\u1ea3n ph\u1ea9m ngay t\u1eeb \u0111\u1ea7u.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u s\u00e1ng t\u1ea1o v\u00e0 hi\u1ec7u su\u1ea5t ch\u1ecbu t\u1ea3i<\/h3>\n\n\n\n

N\u1eafp h\u1ed1 ga Luzhongbao s\u1eed d\u1ee5ng thi\u1ebft k\u1ebf m\u1ea1ng l\u01b0\u1edbi g\u00e2n gia c\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a th\u00f4ng qua ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n. D\u1ef1a tr\u00ean c\u00e1c t\u00ednh to\u00e1n ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t khoa h\u1ecdc, c\u00e1c thi\u1ebft k\u1ebf gia c\u01b0\u1eddng k\u1ebft c\u1ea5u \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c b\u1ed5 sung t\u1ea1i c\u00e1c \u0111i\u1ec3m ch\u1ecbu l\u1ef1c ch\u00ednh. C\u1ea5u tr\u00fac ti\u00ean ti\u1ebfn n\u00e0y cho ph\u00e9p n\u1eafp ph\u00e2n b\u1ed5 \u0111\u1ec1u \u1ee9ng su\u1ea5t khi ch\u1ecbu t\u1ea3i, tr\u00e1nh h\u01b0 h\u1ecfng s\u1edbm do t\u1eadp trung \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9. C\u00e1c ph\u00e9p \u0111o th\u1ef1c t\u1ebf cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i \u0111o \u0111\u01b0\u1ee3c c\u1ee7a n\u1eafp h\u1ed1 ga Luzhongbao D400 v\u01b0\u1ee3t qu\u00e1 450 kN, v\u01b0\u1ee3t y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n 12,5%. H\u01a1n n\u1eefa, hi\u1ec7u su\u1ea5t k\u1ebft c\u1ea5u c\u1ee7a n\u1eafp h\u1ed1 ga v\u1eabn \u0111\u01b0\u1ee3c duy tr\u00ec nguy\u00ean v\u1eb9n sau h\u00e0ng tri\u1ec7u chu k\u1ef3 th\u1eed nghi\u1ec7m m\u1ecfi, m\u1ed9t k\u1ebft qu\u1ea3 v\u01b0\u1ee3t xa c\u00e1c s\u1ea3n ph\u1ea9m c\u1ea1nh tranh.<\/p>\n\n\n

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Ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i<\/h3>\n\n\n\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c v\u1ec1 \u0103n m\u00f2n m\u00e0 n\u1eafp h\u1ed1 ga ph\u1ea3i \u0111\u1ed1i m\u1eb7t trong m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh, Luzhongbao \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 composite nhi\u1ec1u l\u1edbp. \u0110\u1ea7u ti\u00ean, v\u1eadt li\u1ec7u n\u1ec1n \u0111\u01b0\u1ee3c x\u1eed l\u00fd s\u01a1 b\u1ed9 nghi\u00eam ng\u1eb7t. Sau \u0111\u00f3, m\u1ed9t l\u1edbp m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng v\u1edbi \u0111\u1ed9 d\u00e0y kh\u00f4ng d\u01b0\u1edbi 80\u03bcm \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng l\u00e0m l\u1edbp b\u1ea3o v\u1ec7 ch\u00ednh, ti\u1ebfp theo l\u00e0 l\u1edbp ph\u1ee7 epoxy asphalt l\u00e0m l\u1edbp b\u1ea3o v\u1ec7 tr\u00ean c\u00f9ng. H\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 k\u00e9p n\u00e0y cho ph\u00e9p s\u1ea3n ph\u1ea9m v\u01b0\u1ee3t qua 3000 gi\u1edd th\u1eed nghi\u1ec7m phun mu\u1ed1i trung t\u00ednh th\u00e0nh c\u00f4ng, \u0111\u1ea1t m\u1ee9c hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n C5-M. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd h\u01a1n 30 n\u0103m ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 \u0111\u1ed9 \u1ea9m v\u00e0 phun mu\u1ed1i, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n\n\n\n

Hi\u1ec7u su\u1ea5t an to\u00e0n v\u00e0 thi\u1ebft k\u1ebf ch\u1ed1ng l\u00fan<\/h3>\n\n\n\n

N\u1eafp c\u1ed1ng Luzhongbao D400 \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng kh\u00f3a ch\u1ed1ng tr\u1ed9m \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf, s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac b\u1ea3n l\u1ec1 \u1ea9n ba \u0111i\u1ec3m, c\u1ea7n d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng \u0111\u1ec3 m\u1edf, ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 t\u00ecnh tr\u1ea1ng tr\u1ed9m c\u1eafp. \u0110\u1ed3ng th\u1eddi, b\u1ec1 m\u1eb7t n\u1eafp \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf hoa v\u0103n ch\u1ed1ng tr\u01b0\u1ee3t s\u00e2u, \u0111\u1ea1t h\u1ec7 s\u1ed1 ma s\u00e1t kh\u00f4 t\u1eeb 0,65 tr\u1edf l\u00ean, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t \u0111\u00e1ng tin c\u1eady ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n m\u01b0a ho\u1eb7c tuy\u1ebft. V\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00fan, thi\u1ebft k\u1ebf khung h\u1ed1 ga c\u1ea3i ti\u1ebfn m\u1edf r\u1ed9ng di\u1ec7n t\u00edch ch\u1ecbu l\u1ef1c \u0111\u00e1y, truy\u1ec1n t\u1ea3i t\u1ea3i tr\u1ecdng xu\u1ed1ng n\u1ec1n \u0111\u01b0\u1eddng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 v\u1ea5n \u0111\u1ec1 l\u00fan m\u1eb7t \u0111\u01b0\u1eddng th\u01b0\u1eddng g\u1eb7p xung quanh h\u1ed1 ga.<\/p>\n\n\n\n

Ch\u1ee9c n\u0103ng th\u00f4ng minh v\u00e0 gi\u00e1 tr\u1ecb v\u00f2ng \u0111\u1eddi tr\u1ecdn v\u1eb9n<\/h3>\n\n\n\n

D\u1ef1a tr\u00ean c\u00e1c lo\u1ea1i n\u1eafp \u0111\u1eady truy\u1ec1n th\u1ed1ng, Luzhongbao t\u00edch h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng gi\u00e1m s\u00e1t th\u00f4ng minh m\u1ed9t c\u00e1ch s\u00e1ng t\u1ea1o. C\u00e1c c\u1ea3m bi\u1ebfn nh\u00fang t\u00f9y ch\u1ecdn c\u00f3 th\u1ec3 theo d\u00f5i tr\u1ea1ng th\u00e1i n\u1eafp \u0111\u1eady theo th\u1eddi gian th\u1ef1c, bao g\u1ed3m c\u00e1c t\u00ednh n\u0103ng nh\u01b0 b\u00e1o \u0111\u1ed9ng m\u1edf v\u00e0 gi\u00e1m s\u00e1t d\u1ecbch chuy\u1ec3n. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m th\u00f4ng minh n\u00e0y cho ph\u00e9p gi\u00e1m s\u00e1t t\u1eeb xa th\u00f4ng qua n\u1ec1n t\u1ea3ng IoT, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 qu\u1ea3n l\u00fd. X\u00e9t v\u1ec1 chi ph\u00ed v\u00f2ng \u0111\u1eddi, m\u1eb7c d\u00f9 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u cho c\u00e1c s\u1ea3n ph\u1ea9m Luzhongbao cao h\u01a1n 15-20% so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m th\u00f4ng th\u01b0\u1eddng, nh\u01b0ng tu\u1ed5i th\u1ecd c\u1ef1c k\u1ef3 d\u00e0i v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec c\u1ef1c k\u1ef3 th\u1ea5p gi\u00fap gi\u1ea3m t\u1ed5ng chi ph\u00ed s\u1eed d\u1ee5ng h\u01a1n 40%, th\u1ec3 hi\u1ec7n t\u00ednh kinh t\u1ebf v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

Qua ph\u00e2n t\u00edch tr\u00ean, c\u00f3 th\u1ec3 th\u1ea5y n\u1eafp h\u1ed1 ga gang d\u1ebbo Luzhongbao D400, v\u1edbi hi\u1ec7u su\u1ea5t k\u1ef9 thu\u1eadt v\u01b0\u1ee3t tr\u1ed9i v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o \u0111\u00e1ng tin c\u1eady, \u0111\u00e3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng cho vi\u1ec7c l\u1ef1a ch\u1ecdn n\u1eafp h\u1ed1 ga t\u1ea1i c\u00e1c khu v\u1ef1c ch\u1ecbu t\u1ea3i tr\u1ecdng n\u1eb7ng. Thi\u1ebft k\u1ebf s\u00e1ng t\u1ea1o v\u00e0 ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t kh\u00f4ng ch\u1ec9 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u x\u00e2y d\u1ef1ng \u0111\u00f4 th\u1ecb hi\u1ec7n t\u1ea1i m\u00e0 c\u00f2n \u0111\u1eb7t n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c th\u00e0nh ph\u1ed1 th\u00f4ng minh trong t\u01b0\u01a1ng lai. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fd do c\u1ed1t l\u00f5i khi\u1ebfn ng\u00e0y c\u00e0ng nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng chuy\u00ean nghi\u1ec7p l\u1ef1a ch\u1ecdn Luzhongbao.<\/p>","protected":false},"excerpt":{"rendered":"

L\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb, n\u1eafp c\u1ed1ng gang d\u1ebbo D400 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ecb tr\u01b0\u1eddng c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i nh\u1edd kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i. Ch\u1ec9 s\u1ed1 D400 th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i 400 kN, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u kh\u1eaft khe c\u1ee7a c\u00e1c khu v\u1ef1c ch\u1ecbu t\u1ea3i n\u1eb7ng nh\u01b0 \u0111\u01b0\u1eddng ch\u00ednh \u0111\u00f4 th\u1ecb, \u0111\u01b0\u1eddng cao t\u1ed1c, c\u1ea3ng v\u00e0 b\u1ebfn t\u00e0u. [\u2026]<\/p>","protected":false},"author":2,"featured_media":927,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[126,114,63],"class_list":["post-1462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ductile-cast-iron","tag-luzhongbao","tag-manhole-cover"],"yoast_head":"\nWhy Everyone Chooses D400 Ductile Iron Manhole Covers News - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"Building upon traditional covers, Luzhongbao innovatively integrates smart monitoring functions. Optional embedded sensors can monitor the cover status in real time, including features like opening alarms and displacement monitoring. These intelligent characteristics enable remote monitoring through IoT platforms, significantly improving management efficiency. 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Optional embedded sensors can monitor the cover status in real time, including features like opening alarms and displacement monitoring. These intelligent characteristics enable remote monitoring through IoT platforms, significantly improving management efficiency. 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