CN107262538A - A kind of derusting dephosphorization process of steel band - Google Patents
A kind of derusting dephosphorization process of steel band Download PDFInfo
- Publication number
- CN107262538A CN107262538A CN201710558792.8A CN201710558792A CN107262538A CN 107262538 A CN107262538 A CN 107262538A CN 201710558792 A CN201710558792 A CN 201710558792A CN 107262538 A CN107262538 A CN 107262538A
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- Prior art keywords
- steel band
- derusting
- washing
- wheel
- dephosphorization process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
- B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention relates to a kind of derusting dephosphorization process of steel band, it includes following the steps below successively, uncoiling, peel off, flatten, shot-peening, washing and winding；It is described to peel off including upper surface process and the lower surface process of peeling off of peeling off, described flatten uses multiple roll press, gap of the steel band by roller setting up and down, the deformation of correcting plate are used high-pressure injection nozzle by the multiple roll press during shot-peening, the angle of high-pressure injection nozzle and steel band is 35 70 degree during shot-peening, washing includes just washing and fine purifiation and washed, and nozzle during washing is fan nozzle, and present invention process water consumption is small, system operation is reliable and stable, and derusting phosphor-removing effect is good.
Description
Technical field
The present invention relates to a kind of process of surface treatment of steel band, more specifically, it relates to a kind of derusting dephosphorization of steel band
Technique.
Background technology
Hot rolled strip needs the de-scaling that derusts before cold rolling.Current several optional techniques have：Flow sand jet shot-peening, roller
There is water consumption greatly in ramming ball blast method and water under high pressure ball blast method, this several method, system operation is unstable, it is impossible to have to steel band table
Face carries out the defect of effective derusting dephosphorization, so needing to research and develop, a kind of water consumption is small, and system operation is reliable and stable, and derust dephosphorization
The good technique of effect.
The content of the invention
It is an object of the invention to provide a kind of water consumption is small, system operation is reliable and stable, the good steel band of derusting phosphor-removing effect
Derusting dephosphorization process.
To achieve the above object, the present invention include follow the steps below successively, uncoiling, peel off, flatten, shot-peening, washing and
Winding.
Further, it is described to peel off including upper surface process and the lower surface process of peeling off of peeling off.
Further, it is described to peel off using being peeled off to wheeled decorticator, it is described that bent plate wheel and institute are included to wheeled decorticator
The auxiliary wheel that bent plate wheel is oppositely arranged, the righting wheel being arranged in pairs, the bent plate wheel and motor connection are stated, the righting wheel is located at
The both sides of the bent plate wheel and auxiliary wheel；More than 1 is set to wheeled decorticator, steel band is sequentially passed through to wheeled decorticator, phase
It is adjacent to the steel plate back-flexing in wheeled decorticator.Preferably, between upper surface process of peeling off and lower surface process of peeling off or
Crowded skin process is provided with afterwards.
Further, the crowded skin step be by gap of the steel band by two crowded roller wheels setting up and down, lower section
Roller wheel and motor connection are squeezed, by 0.01 ~ 0.1mm of steel plate compression, makes rusty scale compressive deformation, completes to squeeze skin.
Further, described flatten uses multiple roll press, and steel band is passed through roller setting up and down by the multiple roll press
Gap, the deformation of correcting plate；
High-pressure injection nozzle is used during shot-peening, the angle of the high-pressure injection nozzle and steel band is 35-70 degree, injection pressure is
25.0-50.0MPa, the high-pressure injection nozzle is connected with power for 150-300kw high-pressure hydraulic pump respectively with sand ball case, described
High-pressure hydraulic pump is connected by power for 15-30kw big water pump with pond.
Further, washing includes just washing and fine purifiation is washed, and it is 10-20kw that just washing and the fine purifiation, which are washed by power,
Small water pump supply water, the power is connected for 10-20kw small water pump with pond；Nozzle during washing is fan nozzle.
Further, between washing and winding, it is additionally provided with sanding step.
Further, it is also provided with expecting side reflection unit in this technique, the device is by the reflecting plate structure that is arranged on support
Into the sand ball bounce-back for the steel plate that flown out during by shot-peening is returned, and is allowed to impact surface of steel plate border area, is effectively strengthened fringe region
Derust effect.
Further, it is also provided with automatically adjusting the automatic detection of charging rate, injection pressure and amount of sand in this technique
Device,.
Good effect of the present invention is as follows：
The present invention（1）Peeled off technique and equipment using pretreatment, improve speed of production, reduce pressure during subsequent peen.
（2）During shot-peening, high-pressure injection nozzle is fan nozzle, the mixture of sand ball and water is sprayed by high-pressure injection nozzle
Go out, sprayed in stratiform, using water wisely improves the energy use efficiency and productive labor efficiency of equipment.
（3）Improve the angle of high-pressure injection nozzle and steel band, the angle of high-pressure injection nozzle and steel band is 35-70 degree,
The effect of derusting dephosphorization is improved, treatment effect is improved.
（4）The setting of skin process is squeezed, the quality of product is further increased；The setting of technique is flattened, is further increased
The quality of product.
（5）Nozzle when just washing and fine purifiation are washed uses fan nozzle, effectively removes the remaining pill of steel strip surface, rust
Powder, and other absorption metal dust, clean surface is provided for subsequent technique.
（6）Between washing and winding, sanding step is additionally provided with, by continuous abrasive band and steel band close contact, continuously not
Disconnected ground polishes steel band, further improves derusting phosphor-removing effect, meets zinc-plated smoothness requirements.
（7）During shot-peening, it is also provided with expecting side reflection unit, the sand ball for the steel plate that flies out when can be by shot-peening rebounds back
Come, be allowed to impact steel strip surface border area, effectively strengthen the derusting effect of fringe region.
（8）Present invention process has only used three water pumps, reduces the quantity of water pump, reduces substantial amounts of pipeline and pipe
Part, so as to reduce equipment installation, operation, the workload and its expense safeguarded and changed has been said the probability of device damage, improved
System operation reliability.
Brief description of the drawings
Fig. 1 is process flow diagram of the invention；
In accompanying drawing, roller wheel, 7 high-pressure hydraulic pumps, 9 small water pumps, 10 receipts are squeezed in 1 uncoiler, 2 righting wheels, 3 bent plate wheels, 4. auxiliary wheels, 5
Volume machine, 11 sanders, 14 high-pressure injection nozzles, 15 multiple roll presses, 17 ponds, 18 plunger pumps.
Embodiment
To embodiments of the invention be made with further narration in detail below.
The present invention steel band is followed the steps below successively, uncoiling, peel off, flatten, shot-peening, washing and wind after can be effective
Derust dephosphorization.
First, pending steel band is subjected to uncoiling by uncoiler 1, is transmitted, then peeled off by feed roller.
Described to peel off including upper surface process and the lower surface process of peeling off of peeling off, described peel off is shelled using to wheeled decorticator
Shell, it is described to include bent plate wheel 3, the auxiliary wheel 4 being oppositely arranged with the bent plate wheel 3, the righting being arranged in pairs to wheeled decorticator
Wheel 2, the bent plate wheel 3 and motor connection, the righting wheel 2 are located at the both sides of the bent plate wheel 3 and auxiliary wheel 4；To wheeled stripping
Shell machine sets more than 1, and steel band is sequentially passed through to wheeled decorticator, the adjacent steel plate back-flexing in wheeled decorticator.
When steel band carries out upper surface process, steel band sequentially passes through righting wheel 2, bent plate wheel 3 and another righting wheel 2, in bent plate wheel, auxiliary
Under the collective effect of wheel and righting wheel, steel band is uniformly bent, and the rusty scale on surface is extruded stripping, so as to complete to peel off.Steel band leads to
Cross upper surface process and the rusty scale of the upper surface of steel band is extruded into stripping, after the process of upper surface, steel band carries out back-flexing, under
The rusty scale on surface is extruded stripping, so as to complete peeling off for lower surface.Multiple can be set to wheeled decorticator, carried out repeatedly many
It is secondary to peel off.
Crowded skin process, or upper surface process of peeling off can be set between upper surface process of peeling off and lower surface process of peeling off
With crowded skin process can also be provided with after lower surface process of peeling off.The crowded skin process is that steel band is passed through into setting up and down two
The gap of individual crowded roller wheel 5, the crowded roller wheel 5 and motor connection of lower section, by adjusting the gap of two crowded roller wheels 5, by steel
Plate compresses 0.01 ~ 0.1mm, makes rusty scale compressive deformation, completes to squeeze skin, carries out Compression and Expansion, go out and loosen remaining firecoat, enter
One step removes rusty scale.
Described to flatten using multiple roll press 15, the multiple roll press 15 passes through steel band between roller setting up and down
Gap, corrects the deformation of steel band, makes the straight of one side of something, beneficial to derusting process.
Steel band after pressing carries out shot-peening, high-pressure injection nozzle 14 is used during shot-peening, it is preferable that the high-pressure injection nozzle
14 section is sector, by the sand ball high-speed projectile in sand ball case 6 to steel strip surface, understands rusty scale and dirt.The high pressure spray
The angle for penetrating nozzle 14 and steel band is 35-70 degree, and injection pressure is 25.0-50.0MPa, the high-pressure injection nozzle 14 and sand ball
Case 6 is connected with high-pressure hydraulic pump 7 respectively, and the high-pressure hydraulic pump 7 is driven by power for 150-300kw motor, and passes through flood
Pump 16 is connected with pond 17.In use, the mixture of sand ball and water is sprayed by high-pressure injection nozzle 14, spray, save in stratiform
Water is about used, the energy use efficiency and productive labor efficiency of equipment is improved, the angle of high-pressure injection nozzle 14 and steel band is
35-70 degree, sprays from the upper and lower surface of steel band, changes so as to the mixture that makes sand ball and water and preferably steel strip surface is carried out
Processing, improves the effect of derusting dephosphorization, improves treatment effect.Preferably, it is also provided with the steel plate that flies out when can be by shot-peening
The material side reflection unit returned of sand ball bounce-back, the device is made up of the reflecting plate being arranged on support, and the reflecting plate is set
Around steel band to be peened, the sand ball bounce-back for the steel plate that flown out when can be by shot-peening is returned, and is allowed to impact steel strip surface edge
Region, effectively strengthens the derusting effect of fringe region.
Washed after steel band after shot-peening, remove rusty scale with cleaning steel strip surface totally after dirt, the washing bag
Include just washing and fine purifiation to wash, just washing and the fine purifiation are washed to be supplied water by power for 10-20kw small water pump 9, and the power is
10-20kw small water pump 9 and power is connected for 15-60kw big water pump 16 with pond 17, and pond 17 is that power is 15-30kw
Big water pump 16 and power supplied water for 10-20kw small water pump 9, if moisture is into main line afterwards, be respectively used to shot-peening and cleaning, institute
The power for stating small water pump 9 is 10-20kw, is done homework in driving and parking, and the power of the big water pump 16 is 15-30kw,
Operationally turn supply on working water.
The operational reliability of system can so be ensured.Nozzle uses fan nozzle when washing, improves cleaning performance.Just
Nozzle when washing and fine purifiation are washed uses fan nozzle, effectively removes the remaining pill of steel strip surface, and become rusty powder, and other absorption
Metal dust, clean surface is provided for subsequent technique.
Preferably, between washing and winding, sanding step is additionally provided with, sanding is abrasive belt process for sanding, passes through sand
Ray machine 11 is completed, and continuous abrasive band and steel band close contact continuously polish steel band, further improves derusting dephosphorization effect
Really, zinc-plated smoothness requirements are met.
Completed during winding by winder 10.
In order to improve in the detection level of whole technique, the present invention, automatic detection device is also provided with, by frequency converter certainly
It is dynamic to adjust charging rate, pass through frequency converter regulation injection pressure and regulation valve regulation amount of sand.Pass through the transmission in transmission steel band
Take, installation rate sensor, the velocity sensor is connected with PCL controllers, the PCL controllers are passed with control conveyer belt
Dynamic motor connection, charging rate is automatically adjusted it is possible thereby to realize.Pressure sensor is provided with high-pressure injection nozzle 14,
The pressure sensor is connected with PCL controllers, the frequency converter connection of the PCL controllers and motor, is achieved in injection pressure
Power is automatically adjusted.
Present invention process production line be 400mm, can between high-pressure injection nozzle 14 and high-pressure hydraulic pump 7 adapted 100-
200kw plunger pump 18, water-carrying capacity 10-20 cubic metres per hour in the range of, pressure is adjustable in the range of 30-50MPa, finally
By present invention process, the surface for the phosphorus that do not become rusty is produced, and surface roughness is not more than 8 microns, and brightness uniformity, edge is removed
Rust is good.Power consumption lowers 20-50% than original technology, and equipment investment is not higher than former technology, and the steel strip surface after processing is bright and clean
Degree be less than 5 microns, surface micro convex-concave diameter dimension is about 0.04-0.07mm, is uniformly distributed, hardness close to original hardness,
These are better than original technology.
To sum up, it is of the invention（1）Peeled off technique and equipment using pretreatment, improve speed of production, reduce subsequent peen
When pressure.
（2）During shot-peening, high-pressure injection nozzle 14 is fan nozzle, the mixture of sand ball and water is passed through high-pressure injection nozzle
14 spray, and are sprayed in stratiform, using water wisely improves the energy use efficiency and productive labor efficiency of equipment
（3）The angle of high-pressure injection nozzle 14 and steel band is improved, the angle of high-pressure injection nozzle 14 and steel band is 35-70 degree,
The effect of derusting dephosphorization is improved, treatment effect is improved.
（4）The setting of skin process is squeezed, the quality of product is further increased；The setting of technique is flattened, is further increased
The quality of product.
（5）Nozzle when just washing and fine purifiation are washed uses fan nozzle, effectively removes the remaining pill of steel strip surface, rust
Powder, and other absorption metal dust, clean surface is provided for subsequent technique.
（6）Between washing and winding, sanding step is additionally provided with, by continuous abrasive band and steel band close contact, continuously not
Disconnected ground polishes steel band, further improves derusting phosphor-removing effect, meets zinc-plated smoothness requirements.
（7）During shot-peening, it is also provided with expecting side reflection unit, the sand ball for the steel plate that flies out when can be by shot-peening rebounds back
Come, be allowed to impact steel strip surface border area, effectively strengthen the derusting effect of fringe region.
（8）Present invention process has only used three water pumps, reduces the quantity of water pump, reduces substantial amounts of pipeline and pipe
Part, so as to reduce equipment installation, operation, the workload and its expense safeguarded and changed has been said the probability of device damage, improved
System operation reliability.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from the spirit or scope of patent of the present invention.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty
Consistent most wide scope.
Claims (10)
1. a kind of derusting dephosphorization process of steel band, it is characterised in that：It includes following the steps below successively, uncoiling, peels off, presses
Flat, shot-peening, washing and winding.
2. a kind of derusting dephosphorization process of steel band according to claim 1, it is characterised in that：It is described to peel off on including peeling off
Surface process and lower surface process of peeling off.
3. a kind of derusting dephosphorization process of steel band according to claim 2, it is characterised in that：It is described to peel off using to wheeled
Decorticator is peeled off, the auxiliary wheel (4) being oppositely arranged to wheeled decorticator including bent plate wheel (3), with the bent plate wheel (3),
The righting wheel (2) being arranged in pairs, the bent plate wheel (3) and motor connection, the righting wheel (2) be located at the bent plate wheel (3) and
The both sides of auxiliary wheel (4)；More than 1 is set to wheeled decorticator, steel band is sequentially passed through to wheeled decorticator, adjacent to wheeled
Steel plate back-flexing in decorticator.
4. a kind of derusting dephosphorization process of steel band according to claim 2, it is characterised in that：Peel off upper surface process and stripping
It is provided between shell lower surface process or afterwards crowded skin process.
5. a kind of derusting dephosphorization process of steel band according to claim 4, it is characterised in that：The crowded skin process is by steel
Band passes through two crowded roller wheels setting up and down（5）Gap, the crowded roller wheel of lower section（5）With motor connection, by steel plate compression
0.01 ~ 0.1mm, makes rusty scale compressive deformation, completes to squeeze skin.
6. a kind of derusting dephosphorization process of steel band according to claim 1, it is characterised in that：Described flatten uses many roll-ins
Flat machine（15）, the multiple roll press（15）By gap of the steel band by roller setting up and down, the deformation of correcting plate；
High-pressure injection nozzle is used during shot-peening（14）, the high-pressure injection nozzle（14）Angle with steel band is 35-70 degree, injection
Pressure is 25.0-50.0MPa, the high-pressure injection nozzle（14）With sand ball case（6）Respectively with the high pressure that power is 150-300kw
Water pump（7）Connection, the high-pressure hydraulic pump（7）Pass through the big water pump that power is 15-30kw（16）With pond（17）Connection.
7. a kind of derusting dephosphorization process of steel band according to claim 1, it is characterised in that：Washing includes just washing and essence
Washing, just washing and the fine purifiation are washed by small water pump of the power for 10-20kw（9）Supply water, the power is 10-20kw's
Small water pump（9）With pond（17）Connection；Nozzle during washing is fan nozzle.
8. a kind of derusting dephosphorization process of steel band according to claim 1, it is characterised in that：Between washing and winding,
It is additionally provided with sanding step.
9. a kind of derusting dephosphorization process of steel band according to claim 1, it is characterised in that：Being also provided with this technique can
The material side reflection unit that the bounce-back of the sand ball of the steel plate that flies out is returned during shot-peening, the device is by the reflecting plate that is arranged on support
Constitute.
10. a kind of derusting dephosphorization process of steel band according to claim 1, it is characterised in that：It is also provided with this technique
Automatically adjust the automatic detection device of charging rate, injection pressure and amount of sand.
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| CN201710558792.8A CN107262538B (en) | 2017-07-11 | 2017-07-11 | A kind of derusting descaling process of steel band |
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| CN201710558792.8A CN107262538B (en) | 2017-07-11 | 2017-07-11 | A kind of derusting descaling process of steel band |
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| CN107262538B CN107262538B (en) | 2019-09-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992589A (en) * | 2019-05-27 | 2020-11-27 | 宝山钢铁股份有限公司 | BMD production line speed control method based on strip steel surface brightness detection |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126937A (en) * | 1995-01-12 | 1996-07-17 | 哈尔滨铁路局哈尔滨科学技术研究所 | Low-speed center-triggered wheel sensor |
| CN1261560A (en) * | 1999-01-21 | 2000-08-02 | 阿姆科公司 | Method for producing surface roughness improved cold rolled metal strip |
| CN101138837A (en) * | 2007-08-23 | 2008-03-12 | 宋建民 | Cold-rolled strip steel acid-free descaling process and special device thereof |
| CN101633111A (en) * | 2008-07-22 | 2010-01-27 | 王志强 | Method and device for surface processing of steel belt |
| CN201783875U (en) * | 2010-08-23 | 2011-04-06 | 天津思为机器设备有限公司 | Sandblasting derusting device for inner walls of pipes |
| CN102601742A (en) * | 2012-03-07 | 2012-07-25 | 湖州金冶电子材料股份有限公司 | Steel strip descaling method |
| CN102744277A (en) * | 2012-07-23 | 2012-10-24 | 中冶南方工程技术有限公司 | Method for producing cold-rolled stainless steel annealing and pickling brand steel |
| CN203863533U (en) * | 2013-01-25 | 2014-10-08 | 新东工业株式会社 | Shot blasting device |
-
2017
- 2017-07-11 CN CN201710558792.8A patent/CN107262538B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126937A (en) * | 1995-01-12 | 1996-07-17 | 哈尔滨铁路局哈尔滨科学技术研究所 | Low-speed center-triggered wheel sensor |
| CN1261560A (en) * | 1999-01-21 | 2000-08-02 | 阿姆科公司 | Method for producing surface roughness improved cold rolled metal strip |
| CN101138837A (en) * | 2007-08-23 | 2008-03-12 | 宋建民 | Cold-rolled strip steel acid-free descaling process and special device thereof |
| CN101633111A (en) * | 2008-07-22 | 2010-01-27 | 王志强 | Method and device for surface processing of steel belt |
| CN201783875U (en) * | 2010-08-23 | 2011-04-06 | 天津思为机器设备有限公司 | Sandblasting derusting device for inner walls of pipes |
| CN102601742A (en) * | 2012-03-07 | 2012-07-25 | 湖州金冶电子材料股份有限公司 | Steel strip descaling method |
| CN102744277A (en) * | 2012-07-23 | 2012-10-24 | 中冶南方工程技术有限公司 | Method for producing cold-rolled stainless steel annealing and pickling brand steel |
| CN203863533U (en) * | 2013-01-25 | 2014-10-08 | 新东工业株式会社 | Shot blasting device |
Non-Patent Citations (1)
| Title |
|---|
| 陈士梁: "《铸造机械化》", 30 June 1988, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992589A (en) * | 2019-05-27 | 2020-11-27 | 宝山钢铁股份有限公司 | BMD production line speed control method based on strip steel surface brightness detection |
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| CN107262538B (en) | 2019-09-10 |
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