CN218108870U - Online internal and external water spray cooling device for hot-rolled broadband austenitic stainless steel coil - Google Patents

Online internal and external water spray cooling device for hot-rolled broadband austenitic stainless steel coil Download PDF

Info

Publication number
CN218108870U
CN218108870U CN202222509131.5U CN202222509131U CN218108870U CN 218108870 U CN218108870 U CN 218108870U CN 202222509131 U CN202222509131 U CN 202222509131U CN 218108870 U CN218108870 U CN 218108870U
Authority
CN
China
Prior art keywords
stainless steel
pipe
water
steel coil
water tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222509131.5U
Other languages
Chinese (zh)
Inventor
肖亮明
李元才
刘龙祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Shengyang Metal Technology Co Ltd
Original Assignee
Shandong Shengyang Metal Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Shengyang Metal Technology Co Ltd filed Critical Shandong Shengyang Metal Technology Co Ltd
Priority to CN202222509131.5U priority Critical patent/CN218108870U/en
Application granted granted Critical
Publication of CN218108870U publication Critical patent/CN218108870U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

The utility model discloses an online internal and external water spray cooling device for a hot-rolled broadband austenitic stainless steel coil, which comprises a support frame, a guide mechanism, a power mechanism, an inner wall cooling mechanism, a water tank I, a water tank II, a conveying roller and an outer wall cooling mechanism; the supporting frames are provided with a pair; two ends of the conveying roller are respectively connected to the supporting frame through bearings; the guide mechanism is positioned on the conveying roller, and the power mechanism is positioned on one side of the support frame; the inner wall cooling mechanism is connected to the power mechanism; the outer wall cooling mechanism is provided with a plurality of groups which are uniformly arranged on the supporting frame; the water tank I is positioned in the middle of the support frame and below the conveying roller and the guide mechanism; the water tank II is positioned below the power mechanism on one side of the support frame, and one end of the inner wall cooling mechanism is positioned inside the water tank II; basin I and basin II are connected. The utility model discloses can prevent the stainless steel coil of strip off tracking, can cool off the outer wall and the inner wall of stainless steel coil of strip simultaneously, make the better cooling of stainless steel coil of strip.

Description

Online internal and external water spray cooling device for hot-rolled broadband austenitic stainless steel coil
Technical Field
The utility model belongs to the technical field of the cooling of stainless steel coil of strip, in particular to online inside and outside water spray cooling device of hot rolling broadband austenite stainless steel coil of strip.
Background
The austenitic stainless steel coil is subjected to solution pickling treatment and then is handed to users for use, the austenitic stainless steel is subjected to solution pickling treatment after hot rolling, the finish rolling temperature of the hot-rolled austenitic stainless steel is controlled to be high, the coiled austenitic stainless steel is subjected to stacking air cooling, the hot-rolled steel coil is cooled to be less than 160 ℃ before annealing pickling, and therefore the hot rolling of the steel strip is generally carried out for more than 30-40 hours from the lower line to the upper line of the annealing pickling; because the structure of the austenitic stainless steel is not transformed in the hot rolling process and is always an austenitic structure, the cooling speed and the cooling mode during the period from the hot rolling to the annealing pickling line do not influence the structure state, and the heap cooling mode is adopted to restrict the production sequence transformation time of the austenitic stainless steel. In order to realize the rapid cooling of the hot rolled steel coil after the coil is off-line, two processes of direct water tank cooling and on-line cooling are mainly adopted at present;
the existing online cooling device for the hot-rolled broadband austenitic stainless steel coil has the following defects: 1) In the process of transporting the austenitic stainless steel coil on line through the conveying roller, the stainless steel coil is easy to deviate from the central position, so that the stainless steel coil cannot be well cooled by water spraying; 2) The outer surface of the stainless steel coil is directly cooled by water spraying, so that the cooling inside and outside the coil is uneven.
Disclosure of Invention
The utility model aims at overcoming not enough among the prior art, providing an online inside and outside water spray cooling device of hot rolling broadband austenite stainless steel coil of strip, can prevent the stainless steel coil of strip off tracking, can cool off the outer wall and the inner wall of stainless steel coil of strip simultaneously, make the cooling that stainless steel coil of strip can be better.
In order to realize the purpose, the utility model discloses a technical scheme be:
an online internal and external water spray cooling device for a hot-rolled wide-band austenitic stainless steel coil comprises a support frame, a guide mechanism, a power mechanism, an inner wall cooling mechanism, a water tank I, a water tank II, a conveying roller and an outer wall cooling mechanism; the supporting frames are provided with a pair; the conveying rollers are provided with a plurality of conveying rollers, two ends of each conveying roller are connected to the supporting frame through bearings respectively, and one end of each conveying roller is provided with a motor III; the guide mechanism is positioned on the conveying roller, and the power mechanism is positioned on one side of the support frame; the inner wall cooling mechanism is provided with a plurality of groups and is connected to the power mechanism, and one end of the inner wall cooling mechanism is positioned above the conveying roller; the outer wall cooling mechanism is provided with a plurality of groups which are uniformly arranged on the supporting frame; the water tank I is positioned in the middle of the support frame and below the conveying roller and the guide mechanism, and a water drainage pipe is arranged on the water tank I; the water tank II is positioned below the power mechanism on one side of the support frame, and one end of the inner wall cooling mechanism is positioned in the water tank II; the water tank I is connected with the water tank II through a water drainage pipe.
The inner wall cooling mechanism comprises a water pump, a water inlet pipe, a guide pipe, an annular water pipe and a sleeve; the water pump is arranged on the power mechanism, and one end of the water inlet pipe is connected to the water pump; an inclined plate is arranged on the water tank II, one end of the sleeve is connected to the other end of the water inlet pipe through a spring, and the other end of the sleeve is introduced into the water tank II; pipe one end is connected on the water pump, and the other end is located the transfer roller top and stretches into inside the stainless steel coil of strip, and annular water pipe passes through the connecting pipe to be connected on the pipe, is equipped with the shower nozzle on the annular water pipe.
The power mechanism comprises a supporting platform, an annular guide rail, a sliding block, a chain wheel I, a chain wheel II, a chain and a motor II; the supporting platform is positioned on one side of the supporting frame, the annular guide rail is arranged at the top end of the supporting platform, a plurality of sliding blocks are arranged and are all arranged on the annular guide rail, and a fixed block is arranged at one end of each sliding block, which is positioned on the inner side of the annular guide rail; the chain wheel I and the chain wheel II are respectively connected to two ends of a supporting platform on the inner side of the annular guide rail through rotating shafts, the motor II is fixed at the bottom end of the supporting platform, and the output end of the motor II is connected with the rotating shafts on the chain wheel II; the chain is meshed with the chain wheel I and the chain wheel II and is provided with a plurality of connecting blocks; a fixed block at one end of the sliding block is connected with a connecting block on the chain through a bolt; the inner wall cooling mechanism is arranged on the sliding block.
The guide mechanism comprises a bidirectional threaded rod, a guide block, a connecting plate and a motor I; the guide block is provided with a plurality of guide blocks which are symmetrically arranged on the conveying roller and are conical; the connecting plates are connected to one end of the plane of the guide block; the bidirectional threaded rod is connected to the support frame through a bearing and is connected with the connecting plate through threads; motor I fixes on the support frame outer wall, and the output shaft of motor I is connected with the one end of two-way threaded rod.
The outer wall cooling mechanism comprises a spray pipe, a support plate and a water inlet; the supporting plate is provided with a pair of symmetrical supporting plates fixed on the supporting frame; the spray pipe is square and is positioned around the stainless steel coil, and one end of the spray pipe positioned on the inner wall cooling mechanism is provided with a disconnected channel; the spray tube is installed in the backup pad, and the water inlet is located spray tube one end, is equipped with a plurality of atomizer on the spray tube inside wall.
Compared with the prior art, the utility model beneficial effect shows:
1) The motor I provides power to drive the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the connecting plate to move through threads, the connecting plate drives the guide blocks to move, and the distance of the guide blocks is adjusted, so that the guide blocks guide stainless steel coils with different sizes, and the stainless steel coils are prevented from deviating;
2) The spray pipes around the stainless steel coil uniformly cool the outer wall of the stainless steel coil; the motor II provides power to drive the chain to rotate through the chain wheel I and the chain wheel II, and the chain drives the sliding block to move along the annular track through the connecting block and the fixing block so as to drive the inner wall cooling mechanism to move; and meanwhile, the water pump provides power, so that water in the water tank II is sprayed out through the water inlet pipe, the guide pipe annular water pipe and the spray head to cool the inner wall and the end part of the stainless steel coil.
Drawings
FIG. 1 is a schematic structural view of an on-line internal and external water spray cooling device for a hot-rolled wide band austenitic stainless steel coil of the present invention;
FIG. 2 is a schematic structural view of an inner wall cooling mechanism in the on-line internal and external water spray cooling device for a hot-rolled broadband austenitic stainless steel coil of strip of the present invention;
FIG. 3 is a schematic structural view of a guide mechanism in the on-line internal and external water spray cooling device for a hot-rolled broadband austenitic stainless steel coil of strip of the present invention;
FIG. 4 is a schematic structural diagram I of a power mechanism in the online internal and external water spray cooling device for the hot-rolled wide band austenitic stainless steel coil of strip of the present invention;
FIG. 5 is an enlarged schematic view of the portion A of FIG. 4;
FIG. 6 is a schematic structural view of a cooling mechanism of the middle and outer walls of an online internal and external water spray cooling device for a hot-rolled wide band austenitic stainless steel coil of the present invention;
FIG. 7 is a schematic structural diagram II of a power mechanism in the on-line internal and external water spray cooling device for a hot-rolled wide band austenitic stainless steel coil of the utility model;
in the figure: 1. a support frame; 2. a stainless steel coil; 3. a guide mechanism; 301. a bidirectional threaded rod; 302. a guide block; 303. a connecting plate; 304. a motor I; 4. a power mechanism; 401. a support platform; 402. an annular guide rail; 403. a slider; 4031. a fixed block; 404. a chain wheel I; 405. a chain wheel II; 406. a chain; 4061. connecting blocks; 407. a motor II; 5. an inner wall cooling mechanism; 501. a water pump; 502. a water inlet pipe; 503. a conduit; 504. an annular water pipe; 5041. a spray head; 505. a sleeve; 6. a water tank I; 601. a drain pipe; 7. a water tank II; 701. a sloping plate; 8. a conveying roller; 801. a motor III; 9. an outer wall cooling mechanism; 901. a nozzle; 9011. a channel; 902. a support plate; 903. a water inlet.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further specifically described with reference to fig. 1 to 7.
An online internal and external water spray cooling device for a hot-rolled broadband austenitic stainless steel coil comprises a support frame 1, a guide mechanism 3, a power mechanism 4, an inner wall cooling mechanism 5, a water tank I6, a water tank II 7, a conveying roller 8 and an outer wall cooling mechanism 9; the support frame 1 is provided with a pair of support frames; a plurality of conveying rollers 8 are arranged, two ends of each conveying roller 8 are connected to the support frame 1 through bearings respectively, and one end of each conveying roller 8 is provided with a motor III 801; the guide mechanism 3 is positioned on the conveying roller 8, and the power mechanism 4 is positioned on one side of the support frame 1; the inner wall cooling mechanism 5 is provided with a plurality of groups and is connected to the power mechanism 4, and one end of the inner wall cooling mechanism is positioned above the conveying roller 8; the outer wall cooling mechanism 9 is provided with a plurality of groups which are uniformly arranged on the support frame 1; the water tank I6 is positioned in the middle of the support frame 1 and below the conveying roller 8 and the guide mechanism 3, and a water drainage pipe 601 is arranged on the water tank I6; the water tank II 7 is positioned below the power mechanism 4 on one side of the support frame 1, and one end of the inner wall cooling mechanism 5 is positioned inside the water tank II 7; the water tank I6 is connected with the water tank II 7 through a water drainage pipe 601; firstly, adjusting the distance of the guide mechanism 3 according to the size of the stainless steel coil 2, so that the stainless steel coil 2 is kept in the middle of the conveying roller 8 in the conveying process; the outer wall cooling mechanism 9 sprays water to the stainless steel coil 2 in the transportation process, so that the outer wall of the stainless steel coil 2 is cooled; when stainless steel coil of strip 2 conveys with inner wall cooling body 5 front faces, inner wall cooling body 5 sprays water to 2 inner walls of stainless steel coil of strip, makes the cooling of 2 inner walls of stainless steel coil of strip, and power unit 4 provides power simultaneously, drives inner wall cooling body 5 and removes along with stainless steel coil of strip 2, and stainless steel coil of strip 2 is kept away from along power unit 4 to inner wall cooling body 5 after stainless steel coil of strip 2 cools off, then transports stainless steel coil of strip 2 after will cooling.
The inner wall cooling mechanism 5 comprises a water pump 501, a water inlet pipe 502, a guide pipe 503, an annular water pipe 504 and a sleeve 505; the water pump 501 is arranged on the power mechanism 4, and one end of the water inlet pipe 502 is connected to the water pump 501; an inclined plate 701 is arranged on the water tank II 7, one end of the sleeve 505 is connected to the other end of the water inlet pipe 502 through a spring, the other end of the sleeve 505 is led into the water tank II 7, when the inner wall cooling mechanism 5 moves along the power mechanism 4, the sleeve 505 moves along the inclined plate 701, the spring is stretched, and the sleeve 505 can conveniently move out of the water tank II 7; one end of the guide pipe 503 is connected to the water pump 501, the other end of the guide pipe 503 is positioned above the conveying roller 8 and extends into the stainless steel coil 2, the annular water pipe 504 is connected to the guide pipe 503 through a connecting pipe, and the annular water pipe 504 is provided with a spray head 5041; the water pump 501 provides power to spray water in the water tank II 7 through the water inlet pipe 502, the guide pipe 503, the annular water pipe 504 and the spray head 5041 to cool the inner wall and the end part of the stainless steel coil 2.
The power mechanism 4 comprises a supporting platform 401, an annular guide rail 402, a sliding block 403, a chain wheel I404, a chain wheel II 405, a chain 406 and a motor II 407; the supporting platform 401 is positioned at one side of the supporting frame 1, the annular guide rail 402 is arranged at the top end of the supporting platform 401, a plurality of sliding blocks 403 are arranged on the annular guide rail 402, and a fixed block 4031 is arranged at one end of each sliding block 403 positioned at the inner side of the annular guide rail 402; the chain wheel I404 and the chain wheel II 405 are respectively connected to two ends of a supporting platform 401 on the inner side of the annular guide rail 402 through rotating shafts, a motor II 407 is fixed at the bottom end of the supporting platform 401, and the output end of the motor II 407 is connected with the rotating shaft on the chain wheel II 405; the chain 406 is meshed with the chain wheel I404 and the chain wheel II 405, and a plurality of connecting blocks 4061 are arranged on the chain 406; a fixed block 4031 at one end of the sliding block 403 is connected with a connecting block 4061 on the chain 406 through a bolt; the inner wall cooling mechanism 5 is arranged on the sliding block 403; the motor II 407 provides power to drive the chain 406 to rotate through the chain wheel I404 and the chain wheel II 405, and the chain 406 drives the sliding block 403 to move along the annular guide rail 402 through the connecting block 4061 and the fixed block 4031, so as to drive the inner wall cooling mechanism 5 to move.
The guide mechanism 3 comprises a bidirectional threaded rod 301, a guide block 302, a connecting plate 303 and a motor I304; the guide block 302 is provided with a plurality of guide blocks which are symmetrically arranged on the conveying roller 8, and the guide blocks 302 are conical and can prevent the stainless steel coil 2 from deviating; a pair of connecting plates 303 is provided, and the connecting plates 303 are connected to one end of the plane of the guide block 302; the bidirectional threaded rod 301 is connected to the support frame 1 through a bearing and is connected with the connecting plate 303 through threads; the motor I304 is fixed on the outer wall of the support frame 1, and an output shaft of the motor I304 is connected with one end of the bidirectional threaded rod 301; the motor I304 provides power to drive the bidirectional threaded rod 301 to rotate, the bidirectional threaded rod 301 drives the connecting plate 303 to move through threads, the connecting plate 303 drives the guide block 302 to move, and the distance of the guide block 302 is adjusted, so that the guide block 302 guides the stainless steel coils 2 with different sizes.
The outer wall cooling mechanism 9 comprises a spray pipe 901, a support plate 902 and a water inlet 903; the supporting plate 902 is provided with a pair of symmetrical supporting plates fixed on the supporting frame 1; the spray pipe 901 is square and is positioned around the stainless steel coil 2, and one end of the spray pipe 901, which is positioned at the inner wall cooling mechanism 5, is provided with a disconnected channel 9011, so that the inner wall cooling mechanism 5 can conveniently move through; the spray pipe is arranged on the support plate, the water inlet is positioned at one end of the spray pipe, and a plurality of atomizing spray heads are arranged on the inner side wall of the spray pipe; the spray pipes 901 around the stainless steel coil 2 uniformly cool the outer wall of the stainless steel coil 2.
An online internal and external water spray cooling device for a hot-rolled broadband austenitic stainless steel coil comprises the following working processes: firstly, the distance of the guide mechanism 3 is adjusted according to the size of the stainless steel coil 2, so that the stainless steel coil 2 is kept at the middle position of the conveying roller 8 in the conveying process; meanwhile, according to the transportation distance of the stainless steel coil 2, a plurality of sliding blocks 403 and inner wall cooling mechanisms 5 are arranged on connecting blocks 4061 of the chains 406 at corresponding distances; the outer wall cooling mechanism 9 sprays water to the stainless steel coil 2 in the transportation process, so that the outer wall of the stainless steel coil 2 is cooled; when stainless steel coil of strip 2 conveys and inner wall cooling body 5 front side, inner wall cooling body 5 sprays water to stainless steel coil of strip 2, makes stainless steel coil of strip 2 cool off, and power unit 4 provides power simultaneously, drives inner wall cooling body 5 and removes along with stainless steel coil of strip 2, and inner wall cooling body 5 keeps away from stainless steel coil of strip 2 along power unit 4 after stainless steel coil of strip 2 cools off, then transports stainless steel coil of strip 2 after will cooling.
The foregoing is illustrative and explanatory only of the structure of the present invention, and it is intended that those skilled in the art who have the structure described herein be able to make various modifications, additions or substitutions in the same manner as the above-described embodiments without departing from the structure of the present invention or exceeding the scope defined by the claims.

Claims (3)

1. An online internal and external water spray cooling device for a hot-rolled broadband austenitic stainless steel coil comprises a support frame, a guide mechanism, a power mechanism, an inner wall cooling mechanism, a water tank I, a water tank II, a conveying roller and an outer wall cooling mechanism; it is characterized in that the supporting frames are provided with a pair; the conveying rollers are provided with a plurality of conveying rollers, two ends of each conveying roller are connected to the supporting frame through bearings respectively, and one end of each conveying roller is provided with a motor III; the guide mechanism is positioned on the conveying roller, and the power mechanism is positioned on one side of the support frame; the inner wall cooling mechanism is provided with a plurality of groups and is connected to the power mechanism, and one end of the inner wall cooling mechanism is positioned above the conveying roller; the outer wall cooling mechanism is provided with a plurality of groups which are uniformly arranged on the supporting frame; the water tank I is positioned in the middle of the support frame and below the conveying roller and the guide mechanism, and a water drainage pipe is arranged on the water tank I; the water tank II is positioned below the power mechanism on one side of the support frame, and one end of the inner wall cooling mechanism is positioned inside the water tank II; the water tank I is connected with the water tank II through a water drainage pipe;
the inner wall cooling mechanism comprises a water pump, a water inlet pipe, a guide pipe, an annular water pipe and a sleeve; the water pump is arranged on the power mechanism, and one end of the water inlet pipe is connected to the water pump; an inclined plate is arranged on the water tank II, one end of the sleeve is connected to the other end of the water inlet pipe through a spring, and the other end of the sleeve is introduced into the water tank II; one end of the guide pipe is connected to the water pump, the other end of the guide pipe is positioned above the conveying roller and extends into the stainless steel coil, the annular water pipe is connected to the guide pipe through a connecting pipe, and a spray head is arranged on the annular water pipe;
the outer wall cooling mechanism comprises a spray pipe, a support plate and a water inlet; the supporting plate is provided with a pair of symmetrical supporting plates fixed on the supporting frame; the spray pipe is square and is positioned around the stainless steel coil, and one end of the spray pipe, which is positioned on the inner wall cooling mechanism, is provided with a disconnected channel; the spray tube is installed in the backup pad, and the water inlet is located spray tube one end, is equipped with a plurality of atomizer on the spray tube inside wall.
2. The on-line internal and external water spray cooling device for the hot-rolled broadband austenitic stainless steel coil of strip as claimed in claim 1, wherein the power mechanism comprises a support platform, an annular guide rail, a slide block, a chain wheel I, a chain wheel II, a chain and a motor II; the supporting platform is positioned on one side of the supporting frame, the annular guide rail is arranged at the top end of the supporting platform, the plurality of sliding blocks are arranged on the annular guide rail, and the fixing block is arranged at one end, positioned on the inner side of the annular guide rail, of each sliding block; the chain wheel I and the chain wheel II are respectively connected to two ends of a supporting platform on the inner side of the annular guide rail through rotating shafts, the motor II is fixed at the bottom end of the supporting platform, and the output end of the motor II is connected with the rotating shafts on the chain wheel II; the chain is meshed with the chain wheel I and the chain wheel II and is provided with a plurality of connecting blocks; a fixed block at one end of the sliding block is connected with a connecting block on the chain through a bolt; the inner wall cooling mechanism is installed on the sliding block.
3. The on-line internal and external water spray cooling device for the hot-rolled broadband austenitic stainless steel coil is characterized in that the guide mechanism comprises a bidirectional threaded rod, a guide block, a connecting plate and a motor I; the guide block is provided with a plurality of guide rollers which are symmetrically arranged on the conveying roller and are conical; the connecting plates are connected to one end of the plane of the guide block; the bidirectional threaded rod is connected to the support frame through a bearing and is connected with the connecting plate through threads; motor I fixes on the support frame outer wall, and the output shaft of motor I is connected with the one end of two-way threaded rod.
CN202222509131.5U 2022-09-21 2022-09-21 Online internal and external water spray cooling device for hot-rolled broadband austenitic stainless steel coil Active CN218108870U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222509131.5U CN218108870U (en) 2022-09-21 2022-09-21 Online internal and external water spray cooling device for hot-rolled broadband austenitic stainless steel coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222509131.5U CN218108870U (en) 2022-09-21 2022-09-21 Online internal and external water spray cooling device for hot-rolled broadband austenitic stainless steel coil

Publications (1)

Publication Number Publication Date
CN218108870U true CN218108870U (en) 2022-12-23

Family

ID=84530290

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222509131.5U Active CN218108870U (en) 2022-09-21 2022-09-21 Online internal and external water spray cooling device for hot-rolled broadband austenitic stainless steel coil

Country Status (1)

Country Link
CN (1) CN218108870U (en)

Similar Documents

Publication Publication Date Title
CN100376336C (en) Ultrafast cooling device for wire and rod hot rolling production line
CN101353717A (en) Process for producing high strength hardened and tempered steel by steekle mill on-line quenching
CN113293268B (en) Use method of cylindrical shell section heat treatment device
CN210420031U (en) Bright continuous annealing production line for pipe fittings
WO2023035368A1 (en) Horizontal bright annealing apparatus for stainless steel
CN104148408A (en) Multifunctional bar graded temperature control rolling and controlled cooling equipment
CN218108870U (en) Online internal and external water spray cooling device for hot-rolled broadband austenitic stainless steel coil
CN203700172U (en) Quenching device for glass tempering production line
CN109868352B (en) Steel pipe water-cooling self-tempering process and device
CN103406372B (en) A kind of high-speed rod wind mist Hybrid mode cooling means and device
BRPI0819730B1 (en) rail heat treatment process and device for the same
CN102002573B (en) Production line for carrying out quenching and tempering heat treatment on steel rail off-line or on-line railhead tread
CN101700532B (en) Method and device for removing inner surface oxidized iron sheet of steel pipe on line
US6240763B1 (en) Automated rolling mill administration system
CN112375877B (en) Hundred-meter steel rail circulating continuous integral air-jet quenching experimental device
CN102586565A (en) Rapid cooling method and device after medium and thick plate heat treatment furnace
CN203923298U (en) A kind of injection cooling apparatus of long chi rail press quenching unit
CN209759527U (en) steel pipe water-cooling self-tempering device
CN113042539B (en) Cooling method for fine control of microstructure of hot-rolled strip steel
GB2062692A (en) Multi-purpose apparatus for treating hot rolled steel wire rod
CN203470495U (en) Large-scale bar cooling equipment
CN203330149U (en) Steel belt surface water moving device
CN219401700U (en) Corrosion-resistant stainless steel carbon steel composite board hot continuous rolling device
CN220461739U (en) Eccentric roller conveyor and complete equipment for eliminating internal stress of hot rolled H-shaped steel
CN203936137U (en) The online inside and outside water spray quickly cooling device of hot rolling wide cut austenitic stainless steel coil of strip

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant