CN202316575U - Hot rolled steel plate controlled cooling device conducive for shape control - Google Patents
Hot rolled steel plate controlled cooling device conducive for shape control Download PDFInfo
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- CN202316575U CN202316575U CN201120448794XU CN201120448794U CN202316575U CN 202316575 U CN202316575 U CN 202316575U CN 201120448794X U CN201120448794X U CN 201120448794XU CN 201120448794 U CN201120448794 U CN 201120448794U CN 202316575 U CN202316575 U CN 202316575U
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- cooling device
- cooling
- laminar flow
- ultrafast
- steel plate
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Abstract
The utility model relates to a hot rolled steel plate controlled cooling device conducive for shape control, which belongs to the technical field of controlled rolling and controlled cooling, and comprises an ultra-fast cooling device and a laminar flow cooling device. Upper collecting pipes and lower collecting pipes of the ultra-fast cooling device have the same number and are distributed uniformly; an oblique nozzle with a small diameter and high density is adopted to spray high-pressure high-density water flow to the surface of a steel plate, and sub-cooling areas are formed according to spraying angles; the number of lower collecting pipes of the laminar flow cooling device is two times of the number of upper collecting pipes of the laminar flow cooling device, and a direct-spraying cooling method is adopted; and nozzles are respectively arranged on the collecting pipes. The hot rolled steel plate controlled cooling device conducive for the shape control has the advantages that: the nozzles of the controlled cooling device are utilized for removing water remained on the surface of the steel plate, so that the uniformity of the shape and the performances of the steel plate is favored to be controlled. The hot rolled steel plate controlled cooling device is specially suitable for controlled cooling of medium plates which are sensitive to the water remained on the surface in a cooling process, and have ununiformity in plate shape and performances easily.
Description
Technical field
The utility model belongs to the controlled rolling and controlled cooling technical field, particularly a kind of hot rolled steel plate control cooling device that helps the control of plate shape.Help the control of plate shape, prevented the performance inequality or the plate shape problem that cause because of residual cooling water.
Background technology
The control process for cooling is being brought into play more and more important effect in medium plate production, along with the exploitation of the high-level steel grade of low cost, require the control cooling device to have wideer intensity of cooling scope, and the water yield of using thus is also bigger.In the cooling procedure and the steel plate of cooling after finishing, eliminate the residual water on surface as far as possible, otherwise that residual water can cause local temperature is low excessively, causes plate property uneven or plate shape problem occurs.Traditional control cooling device is removed the surface of steel plate residual water through ways such as side direction water spray, compressed air purgings; But in cooling procedure than big yield; Side direction water spray and compressed air can't reach the effect of thorough removal residual water; Actual production light plate surface is being with residual water to go out the cooling zone, causes plate shape problem.
Summary of the invention
The purpose of the utility model has been to provide a kind of hot rolled steel plate control cooling device that helps the control of plate shape, has supper-fast cooling capacity, the residual water of removing surface of steel plate as early as possible simultaneously.
The utility model comprises Ultrafast cooling device and cooling facility for laminar flow.Wherein Ultrafast cooling device comprises Ultrafast cooling device upper header and Ultrafast cooling device lower collector pipe, and cooling facility for laminar flow comprises cooling facility for laminar flow upper header and cooling facility for laminar flow lower collector pipe, and nozzle all is housed on the collector.
Ultrafast cooling device is made up of the 6-12 group Ultrafast cooling device upper header Ultrafast cooling device lower collector pipe identical with quantity; Be symmetrically distributed; Adopt minor diameter high density inclined jet nozzle to surface of steel plate inject high pressure high density current, Ultrafast cooling device is divided into 2-4 the sub-cooling zone of supper-fast cooling.Each sub-cooling zone of supper-fast cooling is made up of 3-4 group Ultrafast cooling device upper header and Ultrafast cooling device lower collector pipe; Its last group Ultrafast cooling device upper header and Ultrafast cooling device lower collector pipe be against steel plate direction of travel angular injection, and all the other respectively organize Ultrafast cooling device upper header and Ultrafast cooling device lower collector pipe along steel plate direction of travel angular injection.Become 40-50 degree angle surface of steel plate to spray with vertical direction along the nozzle of steel plate direction of travel, become the injection of 40-50 degree angle surface of steel plate with vertical direction against the nozzle of steel plate direction of travel.
Cooling facility for laminar flow comprises cooling facility for laminar flow upper header and cooling facility for laminar flow lower collector pipe, adopts the straight spray type of cooling, and cooling zone length is 16-24m.Cooling facility for laminar flow upper header and cooling facility for laminar flow lower collector pipe evenly distribute, and wherein cooling facility for laminar flow upper header 10-15 organizes, and the cooling facility for laminar flow lower collector pipe is 2 times of cooling facility for laminar flow upper header quantity.Wherein the nozzle on the cooling facility for laminar flow upper header is a U type bend pipe, becomes vertical angle to install.
The diameter of nozzle is 4-6mm, and injector spacing is 30-50mm.
The advantage of the utility model is:
Utilize the nozzle of controlled cooling device self to remove the surface of steel plate residual water; When guaranteeing stronger cooling capacity; Effectively remove the residual water of surface of steel plate; Help controlling the uniformity of steel-plate shape and performance, be specially adapted to cooling procedure remained on surface water relatively responsively, the control cooling of the uneven cut deal of plate shape and performance takes place easily.
Description of drawings
Fig. 1 is the control cooling device structural representation (side view) of the utility model.Wherein. Ultrafast cooling device A. Ultrafast cooling device upper header A1, Ultrafast cooling device lower collector pipe A2. the sub-cooling zone AA of supper-fast cooling, cooling facility for laminar flow B, cooling facility for laminar flow upper header B1, cooling facility for laminar flow lower collector pipe B2, steel plate 3.
The specific embodiment
The utility model comprises Ultrafast cooling device and cooling facility for laminar flow.Wherein Ultrafast cooling device comprises Ultrafast cooling device upper header and Ultrafast cooling device lower collector pipe, and cooling facility for laminar flow comprises cooling facility for laminar flow upper header and cooling facility for laminar flow lower collector pipe, and nozzle all is housed on the collector.
Fig. 1 is the specific embodiment of the utility model.
Heavy Plate Production line with the 4300mm width is an example; Ultrafast cooling device A is made up of 10 groups of Ultrafast cooling device upper header A1 and Ultrafast cooling device lower collector pipe A2; Ultrafast cooling device upper header A1 and Ultrafast cooling device lower collector pipe A2 all adopt the inclined jet cooling; The nozzle diameter of Ultrafast cooling device upper header A1 and Ultrafast cooling device lower collector pipe A2 is 5mm, injector spacing 50mm.Collector water spray width 4.3m, maximum can be cooled off the steel plate of width 4.1m.Ultrafast cooling device A is divided into 3 sub-cooling zone AA of supper-fast cooling.The sub-cooling zone AA of preceding two supper-fast coolings forms by 3 groups of Ultrafast cooling device upper header A1 and Ultrafast cooling device lower collector pipe A2, wherein preceding 2 groups along steel plate direction of travel angular injection, the 3rd group against steel plate direction of travel angular injection; The 3rd the sub-cooling zone AA of supper-fast cooling is made up of 4 groups of Ultrafast cooling device upper header A1 and Ultrafast cooling device lower collector pipe A2, wherein preceding 3 groups along steel plate direction of travel angular injection, the 4th group is sprayed against the steel plate direction of travel.Nozzle along the steel plate direction of travel becomes miter angle to spray to surface of steel plate with vertical direction, becomes miter angle to spray to surface of steel plate against the nozzle of steel plate direction of travel with vertical direction.
Cooling facility for laminar flow B is made up of flow bigger cooling facility for laminar flow upper header B1 and cooling facility for laminar flow lower collector pipe B2, and wherein cooling facility for laminar flow upper header B1 has 12 groups, and cooling facility for laminar flow lower collector pipe B2 has 24 groups.Wherein the nozzle of cooling facility for laminar flow upper header B1 adopts U type bend pipe, and the cooling zone length of whole cooling facility for laminar flow B is 20m, and the water spray sector width is 4.3m, can cool off the steel plate of width 4.1m.
Because the water pressure demand is different, Ultrafast cooling device A is supplied water by different water systems with cooling facility for laminar flow B, and Ultrafast cooling device A provides water under high pressure by the high pressure pumping plant, and pressure is more than 5 kilograms; Cooling facility for laminar flow B utilizes high-level tank water, and pressure 1-2 kilogram adopts the cooling of pipe layer flow mode.
Claims (3)
1. a hot rolled steel plate control cooling device that helps the control of plate shape is characterized in that, comprises Ultrafast cooling device (A) and cooling facility for laminar flow (B); Ultrafast cooling device (A) comprises Ultrafast cooling device upper header (A1) and Ultrafast cooling device lower collector pipe (A2), and cooling facility for laminar flow (B) comprises cooling facility for laminar flow upper header (B1) and cooling facility for laminar flow lower collector pipe (B2);
Described Ultrafast cooling device (A) is made up of 6-12 group Ultrafast cooling device upper header (A1) the Ultrafast cooling device lower collector pipe (A2) identical with quantity; Be symmetrically distributed, on Ultrafast cooling device upper header (A1) and the Ultrafast cooling device lower collector pipe (A2) nozzle be housed all; Ultrafast cooling device (A) is divided into 2-4 the sub-cooling zone of supper-fast cooling (AA), and each sub-cooling zone of supper-fast cooling (AA) is made up of 3-4 group Ultrafast cooling device upper header (A1) and Ultrafast cooling device lower collector pipe (A2);
Cooling facility for laminar flow (B) comprises cooling facility for laminar flow upper header (B1) and cooling facility for laminar flow lower collector pipe (B2), and cooling zone length is 16-24m; Cooling facility for laminar flow upper header (B1) and cooling facility for laminar flow lower collector pipe (B2) evenly distribute, and wherein cooling facility for laminar flow upper header (B1) 10-15 organizes, and cooling facility for laminar flow lower collector pipe (B2) is 2 times of cooling facility for laminar flow upper header (B1) quantity; Wherein the nozzle on the cooling facility for laminar flow upper header (B1) is a U type bend pipe, becomes vertical angle to install.
2. device according to claim 1; It is characterized in that; The Ultrafast cooling device upper header (A1) of last group of the sub-cooling zone of described supper-fast cooling (AA) becomes 40-50 degree angle to install with Ultrafast cooling device lower collector pipe (A2) against the steel plate direction of travel with vertical direction, all the other are respectively organized Ultrafast cooling device upper header (A1) and become 40-50 degree angle to install with Ultrafast cooling device lower collector pipe (A2) with vertical direction along the steel plate direction of travel.
3. device according to claim 1 is characterized in that, the diameter of described nozzle is 4-6mm, injector spacing 30-50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120448794XU CN202316575U (en) | 2011-11-13 | 2011-11-13 | Hot rolled steel plate controlled cooling device conducive for shape control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120448794XU CN202316575U (en) | 2011-11-13 | 2011-11-13 | Hot rolled steel plate controlled cooling device conducive for shape control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202316575U true CN202316575U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120448794XU Expired - Fee Related CN202316575U (en) | 2011-11-13 | 2011-11-13 | Hot rolled steel plate controlled cooling device conducive for shape control |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480661A (en) * | 2013-10-16 | 2014-01-01 | 南京钢铁股份有限公司 | Inclined jet flow multifunctional cooling device for hot-rolled moderate-thickness plate |
| CN103567238A (en) * | 2013-11-07 | 2014-02-12 | 杨海西 | Steel plate cooling device |
| CN104492833A (en) * | 2014-12-03 | 2015-04-08 | 北京首钢股份有限公司 | Hot-rolled strip steel cooling device and method |
| CN104841703A (en) * | 2013-11-07 | 2015-08-19 | 张觉灵 | Measuring device |
| CN111229840A (en) * | 2020-01-13 | 2020-06-05 | 广东韶钢松山股份有限公司 | Ultra-fast cooling control system and method for rolled medium plate and method for adjusting water flow ratio compensation value |
-
2011
- 2011-11-13 CN CN201120448794XU patent/CN202316575U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480661A (en) * | 2013-10-16 | 2014-01-01 | 南京钢铁股份有限公司 | Inclined jet flow multifunctional cooling device for hot-rolled moderate-thickness plate |
| CN103480661B (en) * | 2013-10-16 | 2015-08-26 | 南京钢铁股份有限公司 | A kind of inclination injection stream Multifunctional cold radiator cooler of hot rolled steel plate |
| CN103567238A (en) * | 2013-11-07 | 2014-02-12 | 杨海西 | Steel plate cooling device |
| CN104841703A (en) * | 2013-11-07 | 2015-08-19 | 张觉灵 | Measuring device |
| CN103567238B (en) * | 2013-11-07 | 2015-08-26 | 杨海西 | Cooling device of steel plate |
| CN104492833A (en) * | 2014-12-03 | 2015-04-08 | 北京首钢股份有限公司 | Hot-rolled strip steel cooling device and method |
| CN111229840A (en) * | 2020-01-13 | 2020-06-05 | 广东韶钢松山股份有限公司 | Ultra-fast cooling control system and method for rolled medium plate and method for adjusting water flow ratio compensation value |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100041 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee after: Shougang Group Co. Ltd. Address before: 100041 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee before: Capital Iron & Steel General Company |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20201113 |