CN106862270A - A kind of production technology of think gauge hot rolling acid-cleaning plate - Google Patents
A kind of production technology of think gauge hot rolling acid-cleaning plate Download PDFInfo
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- CN106862270A CN106862270A CN201710288934.3A CN201710288934A CN106862270A CN 106862270 A CN106862270 A CN 106862270A CN 201710288934 A CN201710288934 A CN 201710288934A CN 106862270 A CN106862270 A CN 106862270A
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- Prior art keywords
- strip
- cut
- hot rolling
- volume
- coil
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/225—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by hot-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/06—Thermomechanical rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/04—Flatness
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention belongs to lattice hot rolling acid-cleaning plate technical field, and in particular to a kind of production technology of think gauge hot rolling acid-cleaning plate.The production technology of the think gauge hot rolling acid-cleaning plate, comprises the following steps：Coil of strip preraratory station is arranged behind feeding device, coil of strip feeding and the band volume early-stage preparations part of push pull pickling line is constituted；Feeding device is mainly responsible for the feeding work of hot rolling raw band volume, mainly include that raw band volume handling is placed into feeding device by workshop overhead traveling crane, beam is transported by stepping roll up raw band and be transported to after weighing device weighs, tie position will be transported to open with volume by band volume shuttle car and open tie；Coil of strip preraratory station major function is raw band volume to be taken the lead by aligning, is cut off to take the lead not conforming to and is partly prepared to uncoiler uncoiling.Beneficial effect is：Expand the kind and specification production range of product；Improve the plate shape and surface smoothness of hot rolling acid-cleaning strip；The product variety specification scope of production is wide, good product quality.
Description
Technical field
The invention belongs to lattice hot rolling acid-cleaning plate technical field, and in particular to a kind of production work of think gauge hot rolling acid-cleaning plate
Skill.
Background technology
The fertile principal item rule of push pull pickling line that hot rolling acid-cleaning plate main manufacturer in the country's is used at present
Lattice are only limitted to below thickness 6mm, tensile strength in below 500Mpa, and because be not equipped with skin pass mill group, it is impossible to improve heat
Roll the flatness defect of raw material.More than thickness 6mm, tensile strength more than 500Mpa hot rolling acid-cleaning plate based on import.
The content of the invention
Defect in order to make up prior art of the invention, there is provided the intensity and Motor Capability of a kind of increase equipment, to heat
Roll and be subject to after acid-cleaning plate pickling smooth, to improve the production work of belt plate shape and the think gauge hot rolling acid-cleaning plate of surface smoothness
Skill.
The present invention is achieved through the following technical solutions：
A kind of production technology of think gauge hot rolling acid-cleaning plate, including step once：
1）Coil of strip preraratory station is arranged behind feeding device, coil of strip feeding and the band volume early-stage preparations of push pull pickling line are constituted
Part；Feeding device is mainly responsible for the feeding work of hot rolling raw band volume, mainly includes that workshop overhead traveling crane puts raw band volume handling
Feeding device is put, beam is transported by stepping is rolled up raw band and be transported to after weighing device weighs, will transported with volume by band volume shuttle car
Tie is opened to tie position is opened；Coil of strip preraratory station major function is raw band volume to be taken the lead by aligning, is cut off and is taken the lead not conforming to portion
Uncoiler uncoiling is given to prepare；
2）Feeding device is arranged vertically with unit centre line with coil of strip preraratory station center line in 90 degree, and coil of strip preraratory station rear portion is to open
Volume machine, is mainly responsible for the uncoiling with volume and provides power, sets up uncoiling with nine roller straighteners below in process of production
Power；Uncoiler outlet nine roller straighteners of arrangement, nine roller straighteners are responsible for whole aligning strip, improve the plate shape of incoming hot rolled slab, lead to
The back bending song that comes over and sets up uncoiling tension at strip with uncoiler, the purpose of aligning is not only reached, while also functioning to the work of scale breading
With, it is that the iron scale on strip pickling removal surface creates conditions, shorten pickling time, improve production efficiency；
3）Arrange that crop is cut after nine roller straighteners to be cut with corner cut, crop is cut will take the lead not conforming to Partial Resection, to facilitate follow-up
Threading, at the same can also as strip, the accident treatment of piling of steel is cut in descaling bath, corner cut is cut and is responsible for removal strip crop shearing
The vertical component on both sides after head, is beneficial to threading and protection squeeze roll；
4）After crop corner cut is cut and handles well and take the lead, behind arrange five sections of descaling baths；Descaling bath carries acid circulation system, heating system
System etc., the main belt steel surface iron scale for being responsible for passing through is cleaned with hydrochloric acid；
5）In descaling bath outlet arrangement potcher, main responsible desalted water cleans up the strip steel surface residual acid after pickling,
Prevent it is secondary get rusty, potcher outlet arrangement hot-air drying device be used for dry up cleaning after belt steel surface moisture film；
6）In rinsing section outlet arrangement looper, to balance during accident velocity balance before and after unit, kink outlet arrangement disk
End trimming shears and scrap cutter, are responsible for for the steel edge portion after hot rolling acid-cleaning not conforming to Partial Resection；
7）In end trimming shears outlet arrangement four-roller planisher, the Main Function of planisher is exactly material, specification according to incoming band steel,
According to the smooth strip of elongation percentage or drafts for setting, improve the plate shape of incoming band steel, improving the surface smoothness of strip；
There are three roller tensioners before planisher, rolling forward pull is set up with planisher；Set out after planisher mouth cut with facilitate by client will
Seek bundling；Outlet cut below set electrostatic oiler, to meet belt steel surface oiling the need for, prevent strip from getting rusty；
8）Coiling machine is set after electrostatic oiler, and the hot-strip that coiling machine is mainly responsible for by pickling after smooth is batched in rolls；
9）Baler and rear portion collection device are set after coiling machine；Unit be completely configured with mechanical centering device and CPC,
EPC centerings and the auxiliary equipment such as deviation correcting device, pinch roll and squeeze roll that threading and offer power are provided.
The beneficial effects of the invention are as follows：A kind of production technology of think gauge hot rolling acid-cleaning plate of the present invention is by increasing equipment
The ability of intensity and load motor, expands the kind and specification production range of product；By increasing online four-roller planisher
To supplied materials hot-strip dry flat, the plate shape and surface smoothness of hot rolling acid-cleaning strip are improved；The product variety specification of production
Scope is wide, good product quality, can substitute the import hot rolling acid-cleaning Automobile Plate of corresponding class, improves value-added content of product.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is the equipment schematic diagram of production technology of the present invention.
In figure, 1 uncoiler, 2 pinch roll sets, 3 nine roller straighteners, 4 descaling baths, 5 potchers, 6 hot-air drying devices, 7 cut
While cutting, 8 three roller tensioners, 9 planishers, 10 cuttings are cut, 11 electrostatic oilers, 12 coiling machines, 13 scrap cutters.
Specific embodiment
Accompanying drawing 1 is a kind of specific embodiment of the invention.A kind of production technology of think gauge hot rolling acid-cleaning plate of the invention, bag
Include step：
1）Coil of strip preraratory station is arranged behind feeding device, coil of strip feeding and the band volume early-stage preparations of push pull pickling line are constituted
Part；Feeding device is mainly responsible for the feeding work of hot rolling raw band volume, mainly includes that workshop overhead traveling crane puts raw band volume handling
Feeding device is put, beam is transported by stepping is rolled up raw band and be transported to after weighing device weighs, will transported with volume by band volume shuttle car
Tie is opened to tie position is opened；Coil of strip preraratory station major function is raw band volume to be taken the lead by aligning, is cut off and is taken the lead not conforming to portion
The uncoiling of uncoiler 1 is given to prepare；
2）Feeding device is arranged vertically with unit centre line with coil of strip preraratory station center line in 90 degree, and coil of strip preraratory station rear portion is to open
Volume machine 1, is mainly responsible for the uncoiling with volume and provides power, sets up uncoiling with nine roller straighteners 3 below in process of production
Tension force；Outlet nine roller straighteners 3 of arrangement of uncoiler 1, nine roller straighteners 3 are responsible for whole aligning strip, improve the plate of incoming hot rolled slab
Shape, by bending strip back and forth and setting up uncoiling tension with uncoiler 1, not only reaches the purpose of aligning, while also functioning to brokenly
The effect of squama, is that the iron scale on strip pickling removal surface creates conditions, and shortens pickling time, improve production efficiency；
3）Arrange that crop is cut after nine roller straighteners 3 to be cut with corner cut, crop is cut will take the lead not conforming to Partial Resection, to facilitate follow-up
Threading, at the same can also as strip, the accident treatment of piling of steel is cut in descaling bath 4, corner cut is cut and is responsible for removal strip crop shearing
The vertical component on both sides after head, is beneficial to threading and protection squeeze roll；
4）After crop corner cut is cut and handles well and take the lead, behind arrange five sections of descaling baths 4；Descaling bath 4 carries acid circulation system, heating
System etc., the main belt steel surface iron scale for being responsible for passing through is cleaned with hydrochloric acid；
5）In the outlet arrangement potcher 5 of descaling bath 4, main responsible desalted water is dry by the strip steel surface residual acid cleaning after pickling
Only, prevent it is secondary get rusty, potcher 5 outlet arrangement hot-air drying device 6 be used for dry up cleaning after belt steel surface moisture film；
6）In rinsing section outlet arrangement looper, to balance during accident velocity balance before and after unit, kink outlet arrangement disk
End trimming shears 7 and scrap cutter 13, are responsible for for the steel edge portion after hot rolling acid-cleaning not conforming to Partial Resection；
7）In the outlet arrangement four-roller of end trimming shears 7 planisher 9, the Main Function of planisher 9 is exactly material, rule according to incoming band steel
Lattice, according to the smooth strip of elongation percentage or drafts for setting, improve the plate shape of incoming band steel, improving any surface finish of strip
Degree；There are three roller tensioners 8 before planisher 9, rolling forward pull is set up with planisher 9；Set out after planisher 9 mouth cut with facilitate by
Customer requirement bundling；Outlet cut below set electrostatic oiler 11, to meet belt steel surface oiling the need for, prevent strip from giving birth to
Rust；
8）Coiling machine 12 is set after electrostatic oiler 11, and the hot-strip that coiling machine 12 is mainly responsible for by pickling after smooth is batched into
Volume；
9）Baler and rear portion collection device are set after coiling machine 12；Unit be completely configured with mechanical centering device and CPC,
EPC centerings and the auxiliary equipment such as deviation correcting device, pinch roll 2 and squeeze roll that threading and offer power are provided.
The present invention is not limited to the above-described embodiments, anyone should learn made under enlightenment of the invention with the present invention
With same or like technical scheme, each fall within protection scope of the present invention.
The technology not described in detail of the invention, shape, construction part are known technology.
Claims (1)
1. a kind of production technology of think gauge hot rolling acid-cleaning plate, it is characterised in that including step once：
1）Coil of strip preraratory station is arranged behind feeding device, coil of strip feeding and the band volume early-stage preparations of push pull pickling line are constituted
Part；Feeding device is mainly responsible for the feeding work of hot rolling raw band volume, mainly includes that workshop overhead traveling crane puts raw band volume handling
Feeding device is put, beam is transported by stepping is rolled up raw band and be transported to after weighing device weighs, will transported with volume by band volume shuttle car
Tie is opened to tie position is opened；Coil of strip preraratory station major function is raw band volume to be taken the lead by aligning, is cut off and is taken the lead not conforming to portion
Uncoiler uncoiling is given to prepare；
2）Feeding device is arranged vertically with unit centre line with coil of strip preraratory station center line in 90 degree, and coil of strip preraratory station rear portion is to open
Volume machine, is mainly responsible for the uncoiling with volume and provides power, sets up uncoiling with nine roller straighteners below in process of production
Power；Uncoiler outlet nine roller straighteners of arrangement, nine roller straighteners are responsible for whole aligning strip, improve the plate shape of incoming hot rolled slab, lead to
The back bending song that comes over and sets up uncoiling tension at strip with uncoiler, the purpose of aligning is not only reached, while also functioning to the work of scale breading
With, it is that the iron scale on strip pickling removal surface creates conditions, shorten pickling time, improve production efficiency；
3）Arrange that crop is cut after nine roller straighteners to be cut with corner cut, crop is cut will take the lead not conforming to Partial Resection, to facilitate follow-up
Threading, at the same can also as strip, the accident treatment of piling of steel is cut in descaling bath, corner cut is cut and is responsible for removal strip crop shearing
The vertical component on both sides after head, is beneficial to threading and protection squeeze roll；
4）After crop corner cut is cut and handles well and take the lead, behind arrange five sections of descaling baths；Descaling bath carries acid circulation system, heating system
System etc., the main belt steel surface iron scale for being responsible for passing through is cleaned with hydrochloric acid；
5）In descaling bath outlet arrangement potcher, main responsible desalted water cleans up the strip steel surface residual acid after pickling,
Prevent it is secondary get rusty, potcher outlet arrangement hot-air drying device be used for dry up cleaning after belt steel surface moisture film；
6）In rinsing section outlet arrangement looper, to balance during accident velocity balance before and after unit, kink outlet arrangement disk
End trimming shears and scrap cutter, are responsible for for the steel edge portion after hot rolling acid-cleaning not conforming to Partial Resection；
7）In end trimming shears outlet arrangement four-roller planisher, the Main Function of planisher is exactly material, specification according to incoming band steel,
According to the smooth strip of elongation percentage or drafts for setting, improve the plate shape of incoming band steel, improving the surface smoothness of strip；
There are three roller tensioners before planisher, rolling forward pull is set up with planisher；Set out after planisher mouth cut with facilitate by client will
Seek bundling；Outlet cut below set electrostatic oiler, to meet belt steel surface oiling the need for, prevent strip from getting rusty；
8）Coiling machine is set after electrostatic oiler, and the hot-strip that coiling machine is mainly responsible for by pickling after smooth is batched in rolls；
9）Baler and rear portion collection device are set after coiling machine；Unit be completely configured with mechanical centering device and CPC,
EPC centerings and the auxiliary equipment such as deviation correcting device, pinch roll and squeeze roll that threading and offer power are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710288934.3A CN106862270A (en) | 2017-04-27 | 2017-04-27 | A kind of production technology of think gauge hot rolling acid-cleaning plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710288934.3A CN106862270A (en) | 2017-04-27 | 2017-04-27 | A kind of production technology of think gauge hot rolling acid-cleaning plate |
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| CN106862270A true CN106862270A (en) | 2017-06-20 |
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| CN201710288934.3A Pending CN106862270A (en) | 2017-04-27 | 2017-04-27 | A kind of production technology of think gauge hot rolling acid-cleaning plate |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917074A (en) * | 2017-03-28 | 2017-07-04 | 华中科技大学 | One kind circulation takeup type atomic layer deposition apparatus |
| CN108941211A (en) * | 2018-08-21 | 2018-12-07 | 首钢京唐钢铁联合有限责任公司 | Hot rolling leveling unit and method for processing strip steel |
| CN109332387A (en) * | 2018-09-30 | 2019-02-15 | 日照钢铁控股集团有限公司 | It is a kind of to prevent the planisher of shape wave and production system and production method among thin gauge hot rolling acid-cleaning formation plate |
| CN109425319A (en) * | 2017-08-25 | 2019-03-05 | 宝山钢铁股份有限公司 | A method of detection acid cleaning process is to lateral section influence degree |
| CN110293137A (en) * | 2019-04-04 | 2019-10-01 | 飞马智科信息技术股份有限公司 | A kind of self-threading tape control method of hot-rolled leveling bundling unit |
| CN112337973A (en) * | 2020-10-22 | 2021-02-09 | 宝钢湛江钢铁有限公司 | Finishing system with level side cut function |
| CN112893477A (en) * | 2019-11-19 | 2021-06-04 | 上海梅山钢铁股份有限公司 | Hot-rolled pickled plate reduction trimming amount control method |
| CN114054498A (en) * | 2020-08-03 | 2022-02-18 | 河北鑫达钢铁集团有限公司 | H-shaped steel production process |
| CN114622216A (en) * | 2022-03-30 | 2022-06-14 | 新余钢铁股份有限公司 | Method for preventing pickling line from generating pickling stop spots on surface of strip steel |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917074A (en) * | 2017-03-28 | 2017-07-04 | 华中科技大学 | One kind circulation takeup type atomic layer deposition apparatus |
| CN106917074B (en) * | 2017-03-28 | 2019-02-19 | 华中科技大学 | A kind of circulation takeup type atomic layer deposition apparatus |
| CN109425319A (en) * | 2017-08-25 | 2019-03-05 | 宝山钢铁股份有限公司 | A method of detection acid cleaning process is to lateral section influence degree |
| CN108941211A (en) * | 2018-08-21 | 2018-12-07 | 首钢京唐钢铁联合有限责任公司 | Hot rolling leveling unit and method for processing strip steel |
| CN109332387A (en) * | 2018-09-30 | 2019-02-15 | 日照钢铁控股集团有限公司 | It is a kind of to prevent the planisher of shape wave and production system and production method among thin gauge hot rolling acid-cleaning formation plate |
| CN109332387B (en) * | 2018-09-30 | 2021-09-07 | 日照钢铁控股集团有限公司 | Temper mill for preventing middle wave shape, production system and production method |
| CN110293137A (en) * | 2019-04-04 | 2019-10-01 | 飞马智科信息技术股份有限公司 | A kind of self-threading tape control method of hot-rolled leveling bundling unit |
| CN112893477B (en) * | 2019-11-19 | 2022-05-10 | 上海梅山钢铁股份有限公司 | Hot-rolled pickled plate reduction trimming amount control method |
| CN112893477A (en) * | 2019-11-19 | 2021-06-04 | 上海梅山钢铁股份有限公司 | Hot-rolled pickled plate reduction trimming amount control method |
| CN114054498A (en) * | 2020-08-03 | 2022-02-18 | 河北鑫达钢铁集团有限公司 | H-shaped steel production process |
| CN114054498B (en) * | 2020-08-03 | 2023-05-12 | 河北鑫达钢铁集团有限公司 | H-shaped steel production process |
| CN112337973A (en) * | 2020-10-22 | 2021-02-09 | 宝钢湛江钢铁有限公司 | Finishing system with level side cut function |
| CN114622216A (en) * | 2022-03-30 | 2022-06-14 | 新余钢铁股份有限公司 | Method for preventing pickling line from generating pickling stop spots on surface of strip steel |
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Address after: 276800 Shandong Province, Rizhao City Arashiyama District Shugang Avenue Applicant after: SHANDONG IRON AND STEEL GROUP RIZHAO CO., LTD. Address before: 276800 Ji'nan Road, Donggang District, Shandong, No. 396, No. Applicant before: SHANDONG IRON AND STEEL GROUP RIZHAO CO., LTD. |
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