CN201394585Y - Cooling equipment for hot-rolled strip steel production line - Google Patents
Cooling equipment for hot-rolled strip steel production line Download PDFInfo
- Publication number
- CN201394585Y CN201394585Y CN2009200959982U CN200920095998U CN201394585Y CN 201394585 Y CN201394585 Y CN 201394585Y CN 2009200959982 U CN2009200959982 U CN 2009200959982U CN 200920095998 U CN200920095998 U CN 200920095998U CN 201394585 Y CN201394585 Y CN 201394585Y
- Authority
- CN
- China
- Prior art keywords
- cooling
- collector pipe
- hot
- cold water
- ultrafast
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The utility model discloses a piece of cooling equipment for a hot-rolled strip steel production line, wherein, the hot-rolled strip steel production line comprises roller tables on which a hot-rolledstrip steel plate to be cooled is placed. The cooling equipment comprises an ultra-fast cooling device and a laminar cooling device, wherein the ultra-fast cooling device comprises a plurality of ultra-fast cooling water spray upper water collecting pipes and a plurality of ultra-fast cooling water spray lower water collecting pipes; the ultra-fast cooling water spray upper water collecting pipesare arranged in sequence and perpendicularly to the hot-rolled strip steel production line; the ultra-fast cooling water spray lower water collecting pipes are arranged in the gaps between the rollertables; the laminar cooling device comprises a high level water tank, a shunt water collecting pipe, laminar cooling upper water collecting pipes and laminar cooling lower water collecting pipes; thehigh level water tank and the shunt water collecting pipe are distributed vertically; and the high level water tank, the shunt water collecting pipe, the laminar cooling upper water collecting pipesand the laminar cooling lower water collecting pipes are connected via water distribution pipelines. The cooling equipment provided by the utility model can cool the hot-rolled strip steel plate fastand uniformly, thereby satisfying the production of special types of steel, facilitating the formation of industrial scale, and having significance concerning production and practice.
Description
Technical field
The hot-rolled strip production line that the utility model relates in the metalworking technology field rolls the back cooling technology, particularly relates to a kind of cooling device that is used for hot-rolled strip production line.
Background technology
At present, for the production line of hot-strip, roll the back hot strip steel and need adopt different cooldown rates to obtain desired tissue and performance usually.For the production technology of a class hot-strip new steel grade, need be with hot strip steel from rolling 800～1000 ℃ of temperature ranges that are quickly cooled to 600～700 ℃ earlier in back, subsequently again by adopting suitable cooldown rate to be cooled to the temperature range of strip coiling.And present old process and short-flow production line roll the back cooling facility for laminar flow is generally adopted in the cooling of hot strip steel, but the cooling capacity of cooling facility for laminar flow is lower, can not satisfy the hot-strip of this special cooling requirement and produce needs.
Be used for hot-rolled strip production line and roll existing introduction of back quickly cooling device cooling, that have bigger cooling capacity, introduced a kind of cooling device as " iron and steel " magazine 2004.No.8 P71-P74, the cooling water flow that has certain pressure passes through intensive nozzle vertical impact to surface of steel plate, thereby realizes cooling.The subject matter that this quickly cooling device exists is: the cooling water short time that vertically impacts surface of steel plate is interior mobile poor at surface of steel plate, be trapped in surface of steel plate easily, and the cooling water that is trapped in surface of steel plate forms steam film at surface of steel plate easily, produce the transition boiling heat exchange of water, cause inhomogeneous cooling, thereby make the last Hot Strip that forms be easy to generate bigger distortion, badly influence the quality of production of hot-strip.
The utility model content
In view of this; the purpose of this utility model provides a kind of cooling device that is used for hot-rolled strip production line; the cooling water that this equipment impacts the Hot Strip surface can not form delay; can be fast, cooling hot-rolled band steel plate equably; satisfy the production of special steel grade; help forming the scale of industry, be of great practical significance.
For this reason, the utility model provides a kind of cooling device that is used for hot-rolled strip production line, this hot-rolled strip production line includes roller-way 7, be placed with Hot Strip to be cooled on this roller-way 7, this cooling device comprises ultrafast device for cooling and cooling facility for laminar flow two parts, described ultrafast device for cooling comprises on many ultrafast cold water sprays collector pipe 2 under collector pipe 1 and many ultrafast cold water sprays, collector pipe 1 is arranged in order and is provided with and perpendicular to hot-rolled strip production line on this ultrafast cold water spray, collector pipe 2 is arranged in the gap of roller-way 7 under this ultrafast cold water spray, described cooling facility for laminar flow includes elevated tank 10, shunting collector pipe 8, collector pipe 3 is gone up in the laminar flow cooling, the laminar flow cooling is collector pipe 4 down, described elevated tank 10, the setting that distributes up and down of shunting collector pipe 8, described elevated tank 10, shunting collector pipe 8, collector pipe 3 is gone up in the laminar flow cooling, the laminar flow cooling is connected by water distribution pipeline between the collector pipe 4 down, and the direction of travel of formed current of collector pipe 1 lower openings and steel plate acutangulates on the described ultrafast cold water spray.
Preferably, on the described ultrafast cold water spray under collector pipe 1 and the ultrafast cold water spray collector pipe 2 be the narrow slit type nozzle structure.
Preferably, before described on 5 compressed-air actuated air blowing directions of air-blowing device and the ultrafast cold water spray under the nozzle of collector pipe 1, the ultrafast cold water spray water spraying direction of the nozzle of collector pipe 2 identical, I is acute angle with the steel plate moving direction, on 9 compressed-air actuated air blowing directions of described back blowning installation and the ultrafast cold water spray under the nozzle of collector pipe 1, the ultrafast cold water spray water spraying direction of the nozzle of collector pipe 2 opposite, with steel plate moving direction I in obtuse angle.
Preferably, 7 liang of upper lateral parts of described roller-way are provided with water injector 6 alternately.
Preferably, the nozzle direction of described water injector 6 is acute angle towards vertical centre position of Hot Strip to be cooled and with belt steel surface.
Preferably, the entrance side of described ultrafast device for cooling is provided with preceding air-blowing device 5, and the outlet side of described cooling facility for laminar flow is provided with back blowning installation 9.
Preferably, the cooling of described laminar flow go up collector pipe 3 and laminar flow cooling down collector pipe 4 be pipe laminar flow structure.
The technical scheme that provides by above the utility model as seen, compared with prior art, a kind of cooling device that is used for hot-rolled strip production line that the utility model provides has following beneficial effect:
1, cooling device of the present utility model is according to heat transfer principle, in the hot strip steel cooling procedure, high temperature strip material after rolling is earlier through ultrafast device for cooling zone, ultrafast device for cooling adopts the cooling water of the pressure of 0.2MPa～0.8MPa, can realize the cooling velocity in 5～400 ℃/s scope, help realizing high strength cooling the strip material.Cooling facility for laminar flow adopts water at atmospheric pressure, and the water at atmospheric pressure of jet expansion vertically drops on the surface of steel plate, mainly adopts the cooling of boiling heat transfer mechanism, thereby realizes the high and low intensity of cooling collocation of cooling device.By adjusting the discharge of ultrafast device for cooling, ultrafast device for cooling also can be realized the intensity of cooling identical with cooling facility for laminar flow.The ultrafast device for cooling of this cooling device can satisfy the production of special steel grade, has solved the problem of the cooling capacity deficiency of existing conventional hot-rolled strip production line cooling device existence.
2, the ultrafast device for cooling of cooling device of the present utility model adopts the inclination injection water, and promptly the jet expansion water jet that has a certain pressure has a certain degree with the sheet material that is cooled, and realizes that according to the jet impulse heat transfer mechanism high strength of strip material is evenly cooled off.
3, in the engineering use, there are certain altitude difference H1 in the last collector pipe of ultrafast device for cooling and cooling facility for laminar flow and the distance of surface of steel plate.
4, the upper and lower collector of cooling device of the present utility model along steel plate wide to even cooling, the discharge of each collector jet expansion can realize regulating separately by the control valve group, guaranteeing to go up in the hot-strip cooling procedure the accurate control of lower collector pipe water yield ratio, thereby guarantee along its length straight of cooled band steel.
5, ultrafast device for cooling can be realized wider cooling capacity adjustment by flow-control.Cooling facility for laminar flow can realize further that the ultrafast further cooling after cold of sheet material handles.
6, the course of work of cooling device of the present utility model, by preceding air-blowing device, side water-spraying device, back air-blowing device, can be along the wide residual water of steel plate to the delay of clearing away surface of steel plate, thereby improve the surface of steel plate cooling effectiveness, reduce because of the inhomogeneous cooling of occluded water in the boiling process generation of surface of steel plate.Preceding air-blowing device, side water-spraying device, the residual water of back air-blowing device cleaning surface of steel plate also help the parameter measurement that cooling device is forward and backward or the interior instrumentation of installing of cooling device carries out surface of steel plate.
Description of drawings
A kind of side view that is used for the cooling device of hot-rolled strip production line that Fig. 1 provides for the utility model.
The specific embodiment
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with drawings and embodiments.
A kind of side view that is used for the cooling device of hot-rolled strip production line that Fig. 1 provides for the utility model.
Referring to Fig. 1, the utility model provides a kind of cooling device that is used for hot-rolled strip production line, this hot-rolled strip production line includes roller-way 7, be placed with Hot Strip to be cooled on this roller-way 7, cooling device of the present utility model comprises ultrafast device for cooling and cooling facility for laminar flow two parts, wherein, described ultrafast device for cooling comprises on many ultrafast cold water sprays collector pipe 2 under collector pipe 1 and many ultrafast cold water sprays, and collector pipe 1 is arranged in order and is provided with and perpendicular to hot-rolled strip production line on this ultrafast cold water spray.
In the utility model, the spacing on many ultrafast cold water sprays between the collector pipe 1 equates, is the length of diagram L1, and for equidistantly being arranged in order setting, collector pipe 1 is apart from surface of steel plate height distance H2≤600mm to be cooled on the ultrafast cold water spray.。Collector pipe 1 is the grooved container on the described ultrafast cold water spray, its upper opening connects the feed pipe 11 that is positioned at its top, its underpart opening part is slit or pipe laminar flow structure, when steel plate moved for as shown in Figure 1 I direction, the direction that the formed current of collector pipe 1 lower openings and steel plate are walked on the ultrafast cold water spray was acute angle.
Need to prove, feed pipe 11 is connected with the pressurized pump station of routine, the water supply of ultrafast device for cooling directly supplies in the other feed pipe 11 of cooling device by the pressurized pump station of routine, cooling water pressure is 0.2MPa～0.8MPa, and supply channel stores and distribute to the ultrafast cold collector pipe 2 under collector pipe 1 and the ultrafast cold water spray of going up.
In the utility model, on the ultrafast cold water spray under collector pipe 1 and the ultrafast cold water spray collector pipe 2 be tilting narrow slit type nozzle structure.
Cooling facility for laminar flow of the present utility model includes elevated tank 10, cooling device as claimed in claim 1, it is characterized in that, before described air-blowing device (5) the nozzle of collector pipe 1 on compressed-air actuated air blowing direction and the ultrafast cold water spray, the water spraying direction of the nozzle of collector pipe (2) is identical under the ultrafast cold water spray, (I) is acute angle with the steel plate moving direction, described back blowning installation (9) the nozzle of collector pipe (1) on compressed-air actuated air blowing direction and the ultrafast cold water spray, the water spraying direction of the nozzle of collector pipe (2) is opposite under the ultrafast cold water spray, with steel plate moving direction (I) in obtuse angle.
Laminar flow cooling is collector pipe 4 down, and settings that distribute up and down of described elevated tank 10, shunting collector pipe 8, described elevated tank 10, shunting collector pipe 8, laminar flow cooling are gone up collector pipe 3, laminar flow and be connected by water distribution pipeline between the collector pipe 4 under cooling off.
In the utility model, as shown in the figure, the height distance H3≤2000mm of the nozzle of collector pipe 3 apart from surface of steel plate to be cooled gone up in the laminar flow cooling, and the position of the shunting collector pipe 8 of cooling facility for laminar flow is higher than described ultrafast device for cooling, and difference in height is H3-H2=H1.。Elevated tank 10 is supplied with the cooling water of shunting more than the collector pipe 8 normal pressure 0.2MPa by water distribution pipeline, goes up collector pipe 4 under collector pipe 3 and the laminar flow cooling by the laminar flow cooling of corresponding water distribution pipeline supplying layer flow cooling device again.
Need to prove that last collector pipe 3 of laminar flow cooling and laminar flow cooling collector pipe 4 down take to manage the laminar flow structure, their formed current are perpendicular to surface of steel plate.The spacing that adjacent two laminar flows cooling is gone up between the collector pipe 3 equates, promptly illustrated distance L 2, and many laminar flow coolings are gone up collector pipe 3 and equidistantly are arranged in order and are provided with and perpendicular to hot-rolled strip production line.
In the utility model, the angle that the nozzle of collector pipe 2 tops and surface of steel plate intersect under the nozzle of collector pipe 1 below and the ultrafast cold water spray on the described ultrafast cold water spray is different.
The flow of the collector of respectively spraying water of ultrafast device for cooling, cooling facility for laminar flow can be controlled respectively, for example, on strong, cooling facility for laminar flow feed pipe, water tank and the water distribution pipeline control valve group being installed all, having that each collector pipe key links to each other respectively on circuit configuration and the operating desk, implement the independent of collector pipe 1-4 flow controlled.By flow-control, ultrafast device for cooling can be realized wider cooling capacity adjustment, and cooling facility for laminar flow can realize further that the ultrafast further cooling after cold of sheet material handles.
In addition, the utility model is air-blowing device 5 before the entrance side of ultrafast device for cooling is provided with, should before on 5 compressed-air actuated air blowing directions of air-blowing device and the ultrafast cold water spray under the nozzle, ultrafast cold water spray of collector pipe 1 water spraying direction of the narrow slit type nozzles such as nozzle of collector pipe 2 identical, promptly be acute angle with steel plate moving direction I.At cooling device as claimed in claim 1, it is characterized in that, before described air-blowing device (5) on compressed-air actuated air blowing direction and the ultrafast cold water spray under the nozzle, ultrafast cold water spray of collector pipe 1 water spraying direction of the nozzle of collector pipe (2) identical, (I) is acute angle with the steel plate moving direction, described back blowning installation (9) on compressed-air actuated air blowing direction and the ultrafast cold water spray under the nozzle, ultrafast cold water spray of collector pipe (1) water spraying direction of the nozzle of collector pipe (2) opposite, with steel plate moving direction (I) in obtuse angle.
The cooling facility for laminar flow outlet side is provided with back blowning installation 9,9 compressed-air actuated air blowing directions of described back blowning installation and preceding air-blowing device 5 to blow afloat direction opposite, with steel plate moving direction I in obtuse angle.
In the utility model, preceding air-blowing device 5 is connected the compressed air line that air pressure is 0.4～0.6MPa with back blowning installation 9, and their blowing gas stream width is identical with the cooling device width.
The effect of air-blowing device 5 is to make the refluence water of surface of steel plate terminate in certain position before described, to avoid influencing the instrumentation before the cooling device.The effect of back air-blowing device 9 is occluded waters of cleaning surface of steel plate.
In addition, the utility model is provided with water injector 6 alternately at 7 liang of upper lateral parts of roller-way, and the nozzle direction of this water injector 6 is acute angle towards vertical (being width) centre position of steel plate and with belt steel surface.This to the inside the current of water injector 6 make the occluded water of surface of steel plate wander along the width of steel plate, the final function that realizes the cleaning occluded water.
In sum, a kind of cooling device that is used for hot-rolled strip production line that the utility model provides has following beneficial effect:
1, cooling device of the present utility model is according to heat transfer principle, in the hot strip steel cooling procedure, high temperature strip material after rolling is earlier through ultrafast device for cooling zone, ultrafast device for cooling adopts the cooling water of the pressure of 0.2MPa～0.8MPa, can realize the cooling velocity in 5～400 ℃/s scope, help realizing high strength cooling the strip material.Cooling facility for laminar flow adopts water at atmospheric pressure, and the water at atmospheric pressure of jet expansion vertically drops on the surface of steel plate, mainly adopts the cooling of boiling heat transfer mechanism, thereby realizes the high and low intensity of cooling collocation of cooling device.By adjusting the discharge of ultrafast device for cooling, ultrafast device for cooling also can be realized the intensity of cooling identical with cooling facility for laminar flow.The ultrafast device for cooling of this cooling device can satisfy the production of special steel grade, has solved the problem of the cooling capacity deficiency of existing conventional hot-rolled strip production line cooling device existence.
2, the ultrafast device for cooling of cooling device of the present utility model adopts the inclination injection water, and promptly the jet expansion water jet that has a certain pressure has a certain degree with the sheet material that is cooled, and realizes that according to the jet impulse heat transfer mechanism high strength of strip material is evenly cooled off.
3, in the engineering use, there are certain altitude difference H1 in the upper header of ultrafast device for cooling and cooling facility for laminar flow and the distance of surface of steel plate.
4, the upper and lower collector of cooling device of the present utility model along steel plate wide to even cooling, the discharge of each collector jet expansion can realize regulating separately by the control valve group, guaranteeing to go up in the hot-strip cooling procedure the accurate control of lower collector pipe water yield ratio, thereby guarantee along its length straight of cooled band steel.
5, ultrafast device for cooling can be realized wider cooling capacity adjustment by flow-control.Cooling facility for laminar flow can realize further that the ultrafast further cooling after cold of sheet material handles.
6, the course of work of cooling device of the present utility model, by preceding air-blowing device, side water-spraying device, back air-blowing device, can be along the wide residual water of steel plate to the delay of clearing away surface of steel plate, thereby improve the surface of steel plate cooling effectiveness, reduce because of the inhomogeneous cooling of occluded water in the boiling process generation of surface of steel plate.Preceding air-blowing device, side water-spraying device, the residual water of back air-blowing device cleaning surface of steel plate also help the parameter measurement that cooling device is forward and backward or the interior instrumentation of installing of cooling device carries out surface of steel plate.
A kind of cooling device that is used for hot-rolled strip production line that the utility model provides can satisfy the 4mm hot strip steel from rolling 800～1000 ℃ of requirements that are quickly cooled to 600～700 ℃ temperature range in back, the Quenching Treatment that can be used for the hot rolled plate band also can be used for the control cooling.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1, a kind of cooling device that is used for hot-rolled strip production line, it is characterized in that, this hot-rolled strip production line includes roller-way (7), this roller-way is placed with Hot Strip to be cooled on (7), this cooling device comprises ultrafast device for cooling and cooling facility for laminar flow two parts, described ultrafast device for cooling comprises on many ultrafast cold water sprays collector pipe (2) under collector pipe (1) and many ultrafast cold water sprays, collector pipe (1) is arranged in order and is provided with and perpendicular to hot-rolled strip production line on this ultrafast cold water spray, collector pipe (2) is arranged in the gap of roller-way (7) under this ultrafast cold water spray, described cooling facility for laminar flow includes elevated tank (10), shunting collector pipe (8), collector pipe (3) is gone up in the laminar flow cooling, the laminar flow cooling is collector pipe (4) down, described elevated tank (10), shunting collector pipe (8) setting that distributes up and down, described elevated tank (10), shunting collector pipe (8), collector pipe (3) is gone up in the laminar flow cooling, the laminar flow cooling is connected by water distribution pipeline between the collector pipe (4) down, and the direction of travel of formed current of collector pipe (1) lower openings and steel plate acutangulates on the described ultrafast cold water spray.
2, cooling device as claimed in claim 1 is characterized in that, on the described ultrafast cold water spray under collector pipe (1) and the ultrafast cold water spray collector pipe (2) be the narrow slit type nozzle structure.
3, cooling device as claimed in claim 1, it is characterized in that, before described air-blowing device (5) on compressed-air actuated air blowing direction and the ultrafast cold water spray under the nozzle, ultrafast cold water spray of collector pipe (1) water spraying direction of the nozzle of collector pipe (2) identical, (I) is acute angle with the steel plate moving direction, described back blowning installation (9) on compressed-air actuated air blowing direction and the ultrafast cold water spray under the nozzle, ultrafast cold water spray of collector pipe (1) water spraying direction of the nozzle of collector pipe (2) opposite, with steel plate moving direction (I) in obtuse angle.
4, cooling device as claimed in claim 1 or 2 is characterized in that, described roller-way (7) two upper lateral parts are provided with water injector (6) alternately.
5, cooling device as claimed in claim 4 is characterized in that, the nozzle direction of described water injector (6) is acute angle towards vertical centre position of Hot Strip to be cooled and with belt steel surface.
6, cooling device as claimed in claim 1 is characterized in that, the entrance side of described ultrafast device for cooling is provided with preceding air-blowing device (5), and the outlet side of described cooling facility for laminar flow is provided with back blowning installation (9).
7, cooling device as claimed in claim 1 is characterized in that, the cooling of described laminar flow go up collector pipe (3) and laminar flow cooling down collector pipe (4) for managing the laminar flow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200959982U CN201394585Y (en) | 2009-03-23 | 2009-03-23 | Cooling equipment for hot-rolled strip steel production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200959982U CN201394585Y (en) | 2009-03-23 | 2009-03-23 | Cooling equipment for hot-rolled strip steel production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201394585Y true CN201394585Y (en) | 2010-02-03 |
Family
ID=41617076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200959982U Expired - Fee Related CN201394585Y (en) | 2009-03-23 | 2009-03-23 | Cooling equipment for hot-rolled strip steel production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201394585Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890437A (en) * | 2010-07-09 | 2010-11-24 | 东北大学 | Cooling system after rolling for hot-rolled strip steel production line |
| CN102189127A (en) * | 2010-03-19 | 2011-09-21 | 宝山钢铁股份有限公司 | Upper spraying cooling device arranged between frames of finishing mill |
| CN103033430A (en) * | 2012-10-23 | 2013-04-10 | 鞍钢股份有限公司 | Test device and test method for simulating ultra-fast cooling |
| CN106574741A (en) * | 2015-05-29 | 2017-04-19 | 光洋热系统股份有限公司 | Tank cooling device |
| CN111589884A (en) * | 2020-04-29 | 2020-08-28 | 东北大学 | Inner wall cooling system and cooling method for hot-rolled seamless steel tube online cooling process |
-
2009
- 2009-03-23 CN CN2009200959982U patent/CN201394585Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189127A (en) * | 2010-03-19 | 2011-09-21 | 宝山钢铁股份有限公司 | Upper spraying cooling device arranged between frames of finishing mill |
| CN102189127B (en) * | 2010-03-19 | 2013-04-03 | 宝山钢铁股份有限公司 | Upper spraying cooling device arranged between frames of finishing mill |
| CN101890437A (en) * | 2010-07-09 | 2010-11-24 | 东北大学 | Cooling system after rolling for hot-rolled strip steel production line |
| CN103033430A (en) * | 2012-10-23 | 2013-04-10 | 鞍钢股份有限公司 | Test device and test method for simulating ultra-fast cooling |
| CN103033430B (en) * | 2012-10-23 | 2015-10-07 | 鞍钢股份有限公司 | Test device and test method for simulating ultra-fast cooling |
| CN106574741A (en) * | 2015-05-29 | 2017-04-19 | 光洋热系统股份有限公司 | Tank cooling device |
| US10611115B2 (en) | 2015-05-29 | 2020-04-07 | Koyo Thermo Systems Co., Ltd. | Tank cooling device |
| CN106574741B (en) * | 2015-05-29 | 2020-07-07 | 光洋热系统股份有限公司 | Tank cooling device |
| CN111589884A (en) * | 2020-04-29 | 2020-08-28 | 东北大学 | Inner wall cooling system and cooling method for hot-rolled seamless steel tube online cooling process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101890437B (en) | Cooling system after rolling for hot-rolled strip steel production line | |
| CN101518788A (en) | Cooling device used for hot-rolled strip production line | |
| CN102371283B (en) | Method for improving ultra-fast cooling uniformity of medium and heavy plate after rolling | |
| CN201394585Y (en) | Cooling equipment for hot-rolled strip steel production line | |
| KR101026972B1 (en) | Method of cooling hot-rolled steel strip | |
| US9255304B2 (en) | Cooling system and cooling method of rolling steel | |
| CN102553950B (en) | Cooling system for rolled stripe continuously-casting production line and control method thereof | |
| CN202185466U (en) | Ultra-fast cooling device after rolling based on ultra-fast cooling technology | |
| CN103894427A (en) | Medium and heavy plate online multifunctional cooling device | |
| CN110087802B (en) | Thin strip continuous casting strip steel cooling mechanism and cooling method thereof | |
| CN108070699B (en) | A kind of steel plate rolled quenching machine high pressure cooling device and cooling means | |
| US8689727B2 (en) | Anti-oxidation spray methods and spray equipment for steel billets | |
| CN102421544B (en) | Cooling method and cooling device for hot-rolled steel sheets | |
| CN202643778U (en) | Large-scale aluminum alloy on-line quenching device | |
| CN100430163C (en) | Laminated flowing cooling water side-jetting sweeping system after high-strength low-alloy steel being rolled | |
| CN108405818B (en) | Device and process for improving corner structure plasticity of microalloyed steel sheet billet | |
| CN101253011A (en) | Hot rolling facility of steel plate and hot rolling method | |
| CN103480661A (en) | Inclined jet flow multifunctional cooling device for hot-rolled moderate-thickness plate | |
| TW201432056A (en) | Cooling method and cooling device for hot-rolled steel strip | |
| JP6569843B1 (en) | Thick steel plate cooling device and cooling method, and thick steel plate manufacturing equipment and manufacturing method | |
| CN102228910A (en) | Ultrafast cooling system after rolling for hot rolled strip steel production line | |
| CN104017975A (en) | Spray cooling device for long steel rail online quenching unit | |
| CN201744506U (en) | Controllable hot-rolled strip steel laminar cooling device shaped like cooling panel | |
| CN102811824A (en) | Thick steel plate manufacturing device | |
| CN102274864A (en) | Ultrafast cooling technology-based cooling-after-rolling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20110323 |