CN203292200U - Cooling system for 1780-mm production line laminar flow cooling region - Google Patents
Cooling system for 1780-mm production line laminar flow cooling region Download PDFInfo
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- CN203292200U CN203292200U CN2013203716014U CN201320371601U CN203292200U CN 203292200 U CN203292200 U CN 203292200U CN 2013203716014 U CN2013203716014 U CN 2013203716014U CN 201320371601 U CN201320371601 U CN 201320371601U CN 203292200 U CN203292200 U CN 203292200U
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- cooling
- adjustment section
- fast cold
- shower nozzle
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- 238000001816 cooling Methods 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 238000010926 purge Methods 0.000 claims description 3
- 230000035807 sensation Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003723 Smelting Methods 0.000 abstract 1
- 238000011217 control strategy Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- 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
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- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
本实用新型公开了一种1780mm生产线层流冷却区域冷却系统，该层流冷却区域从精轧机组到卷取机依次设为快冷Ⅰ段、粗调段、空冷段、快冷Ⅱ段和精调段；快冷Ⅰ段包括三个冷却区，粗调段包括十二个冷却区，快冷Ⅱ段包括二个冷却区，精调段包括三个冷却区；快冷Ⅰ段内每个冷却区上方均布安装有八根集管Ⅰ，快冷Ⅰ段内每个冷却区下方均布安装有十六根集管Ⅱ；粗调段、快冷Ⅱ段和精调段内每个冷却区上方均布安装有四根集管Ⅲ，下方均布安装有十二根集管Ⅳ。带钢在层流冷却区域上输送时，通过上下方和侧面设置的喷头对其进行冷却，冷却性好，控制效果更佳，保证钢卷产品性能合格，钢卷综合质量稳定提高，大大降低了钢卷产品的炼、轧生产成本。
The utility model discloses a cooling system for a laminar flow cooling area of a 1780mm production line. The laminar flow cooling area is sequentially set up as a fast cooling section I, a rough adjustment section, an air cooling section, a fast cooling section II and a finishing section from a finishing rolling unit to a coiler. Adjustment section; the fast cooling section includes three cooling zones, the rough adjustment section includes twelve cooling zones, the fast cooling section II includes two cooling zones, and the fine adjustment section includes three cooling zones; each cooling zone in the fast cooling section Eight header pipes Ⅰ are evenly distributed above the zone, and sixteen header pipes Ⅱ are evenly distributed below each cooling zone in the fast cooling section Ⅰ; Four headers III are evenly distributed above, and twelve headers IV are evenly distributed below. When the steel strip is conveyed in the laminar flow cooling area, it is cooled by the nozzles arranged on the upper, lower and side sides, which has good cooling performance and better control effect, ensuring that the performance of the steel coil product is qualified, and the overall quality of the steel coil is steadily improved, greatly reducing the Production cost of smelting and rolling of steel coil products.
Description
Technical field
The utility model relates to a kind of cooling system, relates in particular to a kind of 1780mm production line laminar flow cooled region cooling system.
Background technology
After hot continuous rolling production line band steel shuts out from mm finishing mill unit, must enter coiling machine under the coiling temperature of regulation batches, thereby guarantee structure property and mechanical property that it is good, different steel grades adopts different refrigerating mode and coiling temperature according to the needs of its structure property.Strip Steel Coiling Temperature is controlled at by in the determined scope of the inside metallographic of steel, is crucial control measure of strip quality.The purpose that coiling temperature is controlled, it is exactly the dynamic adjustments by the laminar cooling water segment length, with different situations (temperature, thickness, speed) be cooled to rapidly desired coiling temperature with steel from higher finishing temperature, make with steel and obtain good structure property and mechanical property.
Coiling temperature with steel is one of important technical parameter that affects the end properties index, the strip finishing temperature of different steel grades is generally in the scope of 800～980 ℃, obtain good structure property and mechanical performance in order to make with steel, coiling temperature must be controlled at 500～750 ℃, this shows from finish rolling to the temperature drop that batches and be about 300～450 ℃.
Qualified in order to guarantee the coil of strip product performance index, stablize and improve the coil of strip comprehensive quality, must carry out the Optimized Matching of laminar flow cooling control strategy.The conventional cooling cooling and cooling dual mode of back segment of leading portion that only adopts.Leading portion is cooling is cooling from top, cooling zone with steel, and along rolling direction plus-minus collector; Back segment is cooling is from the end of cooling zone, contrary band steel direct of travel plus-minus collector.Such control strategy is either-or, and due to not further segmentation, so specific aim is not strong, cooling is poor, and the cycle that needs is long especially, controls effect often undesirable, and the initial test properties percent of pass is 85.80% left and right.
The utility model content
For above shortcomings in prior art, the utility model provides a kind of cooling good, controls the better 1780mm production line laminar flow cooled region cooling system of effect.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
1780mm production line laminar flow cooled region cooling system, this laminar flow cooled region are made as fast cold I section, coarse adjustment section, air cooling section, fast cold II section and accurate adjustment section successively from the mm finishing mill unit to the coiling machine; Described fast cold I section comprises three cooling zones, and the coarse adjustment section comprises 12 cooling zones, and fast cold II section comprises two cooling zones, and the accurate adjustment section comprises three cooling zones.
As a kind of preferred version of the present utility model, each top, cooling zone is uniform in described fast cold I section is equipped with eight collector I, is equipped with two on every collector I and arranges in a row pipe shower nozzle I, often arranges in a row on pipe shower nozzle I 32 shower nozzles that spacing is 48mm are installed; Each uniform ten six roots of sensation collector II that are equipped with in below, cooling zone in described fast cold I section, be equipped with one and arrange in a row pipe shower nozzle II on every collector II, often arrange in a row on pipe shower nozzle II 32 shower nozzles that spacing is 48mm are installed; Each top, cooling zone is uniform in described coarse adjustment section, fast cold II section and accurate adjustment section is equipped with four collector III, is equipped with two on every collector III and arranges in a row pipe shower nozzle III, often arranges in a row on pipe shower nozzle III 32 shower nozzles that spacing is 48mm are installed; Each below, cooling zone is uniform in described coarse adjustment section, fast cold II section and accurate adjustment section is equipped with 12 collector IV, is equipped with one on every collector IV and arranges in a row pipe shower nozzle IV, often arranges in a row on pipe shower nozzle IV 32 shower nozzles that spacing is 48mm are installed.
As another kind of preferred version of the present utility model, the both sides of described fast cold I section, coarse adjustment section, fast cold II section and accurate adjustment section are respectively equipped with shower nozzle, are provided with between fast cold I section, coarse adjustment section, air cooling section, fast cold II section and accurate adjustment section adjacent segment for the air nozzle that purges belt steel surface ponding.
The beneficial effects of the utility model are: when the band steel is carried on the laminar flow cooled region, the shower nozzle, the shower nozzle of below setting and the shower nozzle that side arranges that arrange by top in this 1780mm production line laminar flow cooled region cooling system carry out cooling to it, cooling is good, control effect better, guarantee that the coil of strip properties of product are qualified, the coil of strip comprehensive quality is stable to be improved, greatly reduce the coil of strip product refining, roll production cost.
Description of drawings
Fig. 1 is the structural representation of 1780mm production line laminar flow cooled region cooling system.
In accompanying drawing: 1-fast cold I section; 2-coarse adjustment section; 3-air cooling section; 4-fast cold II section; 5-accurate adjustment section.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1,1780mm production line laminar flow cooled region cooling system, this laminar flow cooled region are made as fast cold I section 1, coarse adjustment section 2, air cooling section 3, fast cold II section 4 and accurate adjustment section 5 successively from the mm finishing mill unit to the coiling machine.Fast cold I section 1 comprises three cooling zones, and coarse adjustment section 2 comprises 12 cooling zones, and fast cold II section 4 comprises two cooling zones, and accurate adjustment section 5 comprises three cooling zones.
In fast cold I section 1, each top, cooling zone is uniform is equipped with eight collector I, be equipped with two on every collector I and arrange in a row pipe shower nozzle I, often arrange in a row on pipe shower nozzle I 32 shower nozzles that spacing is 48mm (being that often arranging in a row on pipe shower nozzle I on every collector I is equipped with 32 shower nozzles) are installed.Each uniform ten six roots of sensation collector II that are equipped with in below, cooling zone in fast cold I section 1, be equipped with one on every collector II and arrange in a row pipe shower nozzle II, often arrange in a row on pipe shower nozzle II 32 shower nozzles that spacing is 48mm (being that often arranging in a row on pipe shower nozzle II on every collector II is equipped with 32 shower nozzles) are installed.
In coarse adjustment section 2, fast cold II section 4 and accurate adjustment section 5, each top, cooling zone is uniform is equipped with four collector III, be equipped with two on every collector III and arrange in a row pipe shower nozzle III, often arrange in a row on pipe shower nozzle III 32 shower nozzles that spacing is 48mm (being that often arranging in a row on pipe shower nozzle III on every collector III is equipped with 32 shower nozzles) are installed.In coarse adjustment section 2, fast cold II section 4 and accurate adjustment section 5, each below, cooling zone is uniform is equipped with 12 collector IV, be equipped with one on every collector IV and arrange in a row pipe shower nozzle IV, often arrange in a row on pipe shower nozzle IV 32 shower nozzles that spacing is 48mm (being that often arranging in a row on pipe shower nozzle IV on every collector IV is equipped with 32 shower nozzles) are installed.
The both sides of fast cold I section 1, coarse adjustment section 2, fast cold II section 4 and accurate adjustment section 5 are respectively equipped with shower nozzle, are provided with between fast cold I section 1, coarse adjustment section 2, air cooling section 3, fast cold II section 4 and accurate adjustment section 5 adjacent segment for the air nozzle that purges belt steel surface ponding.
Because the length of laminar flow cooled region is 96m, therefore according to the difference of belt steel thickness and steel grade, time with the process of any point on steel water-cooled zone is about 5-20s, the strip finishing temperature of different steel grades (800～980 ℃) is effectively reduced coiling temperature (500～750 ℃), make with steel and obtain good structure property and mechanical performance.
Explanation is finally, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (3)
1. 1780mm production line laminar flow cooled region cooling system, it is characterized in that: this laminar flow cooled region is made as fast cold I section (1), coarse adjustment section (2), air cooling section (3), fast cold II section (4) and accurate adjustment section (5) successively from the mm finishing mill unit to the coiling machine; Described fast cold I section (1) comprises three cooling zones, and coarse adjustment section (2) comprises 12 cooling zones, and fast cold II section (4) comprises two cooling zones, and accurate adjustment section (5) comprises three cooling zones.
2. 1780mm production line laminar flow cooled region cooling system according to claim 1, it is characterized in that: each top, cooling zone is uniform in described fast cold I section (1) is equipped with eight collector I, be equipped with two on every collector I and arrange in a row pipe shower nozzle I, often arrange in a row on pipe shower nozzle I 32 shower nozzles that spacing is 48mm are installed; Each uniform ten six roots of sensation collector II that are equipped with in below, cooling zone in described fast cold I section (1), be equipped with one and arrange in a row pipe shower nozzle II on every collector II, often arrange in a row on pipe shower nozzle II 32 shower nozzles that spacing is 48mm are installed; Each top, cooling zone is uniform in described coarse adjustment section (2), fast cold II section (4) and accurate adjustment section (5) is equipped with four collector III, is equipped with two on every collector III and arranges in a row pipe shower nozzle III, often arranges in a row on pipe shower nozzle III 32 shower nozzles that spacing is 48mm are installed; Each below, cooling zone is uniform in described coarse adjustment section (2), fast cold II section (4) and accurate adjustment section (5) is equipped with 12 collector IV, is equipped with one on every collector IV and arranges in a row pipe shower nozzle IV, often arranges in a row on pipe shower nozzle IV 32 shower nozzles that spacing is 48mm are installed.
3. 1780mm production line laminar flow cooled region cooling system according to claim 2, it is characterized in that: the both sides of described fast cold I section (1), coarse adjustment section (2), fast cold II section (4) and accurate adjustment section (5) are respectively equipped with shower nozzle, are provided with between fast cold I section (1), coarse adjustment section (2), air cooling section (3), fast cold II section (4) and accurate adjustment section (5) adjacent segment for the air nozzle that purges belt steel surface ponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203716014U CN203292200U (en) | 2013-06-26 | 2013-06-26 | Cooling system for 1780-mm production line laminar flow cooling region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203716014U CN203292200U (en) | 2013-06-26 | 2013-06-26 | Cooling system for 1780-mm production line laminar flow cooling region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203292200U true CN203292200U (en) | 2013-11-20 |
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ID=49568240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203716014U Expired - Fee Related CN203292200U (en) | 2013-06-26 | 2013-06-26 | Cooling system for 1780-mm production line laminar flow cooling region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203292200U (en) |
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2013
- 2013-06-26 CN CN2013203716014U patent/CN203292200U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20131120 Termination date: 20180626 |