CN1594655A - Method for continuous production of hot galvanizing color-painted steel strip - Google Patents
Method for continuous production of hot galvanizing color-painted steel strip Download PDFInfo
- Publication number
- CN1594655A CN1594655A CN 03146908 CN03146908A CN1594655A CN 1594655 A CN1594655 A CN 1594655A CN 03146908 CN03146908 CN 03146908 CN 03146908 A CN03146908 A CN 03146908A CN 1594655 A CN1594655 A CN 1594655A
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- Prior art keywords
- steel band
- steel
- stage
- enters
- band
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 148
- 239000010959 steel Substances 0.000 title claims abstract description 148
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010924 continuous production Methods 0.000 title claims description 16
- 238000005246 galvanizing Methods 0.000 title abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims description 16
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 12
- 229910052725 zinc Inorganic materials 0.000 claims description 12
- 239000011701 zinc Substances 0.000 claims description 12
- 238000007747 plating Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000009877 rendering Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000002203 pretreatment Methods 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 3
- 238000002161 passivation Methods 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000009500 colour coating Methods 0.000 abstract description 12
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 230000004308 accommodation Effects 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a continuous hot galvanizing colorful coating steel plate production method, which combines the hot galvanizing and color coating into one assembly line. The inventive continuous hot galvanizing colorful coating steel plate production method can cut down auxiliary apparatus, reduce the assembly line investment cost by 30-40%, reduce the accommodation area by 50-60%. The inventive method has no need for oiling after hot galvanizing, also has no need for treatment before color coating, so diminish the damage to steel plate shape. The inventive method has no need for the unstable operation of galvanizing plate welding, can effectively save the steel strip.
Description
[technical field]
The present invention relates to a kind of manufacture method of steel plate, relate in particular to a kind of method of continuous production pot galvanize color-painted steel strip.
[background technology]
Pot galvanize is current most widely used metal rust preventing method, and along with the develop rapidly of cold-rolled steel strip, the steel band continuous hot galvanizing has obtained large-scale development.Along with the development of society, there have the steel plate of outward appearance effect not only to require to be anticorrosion, and require attractive in appearancely, and therefore color bag coated steel sheet just arises at the historic moment, and obtains develop rapidly.But pot galvanize at present and coloured coating are production lines independently separately, and never the people want these two production lines are merged, and production line has following shortcoming but adopt independently:
A. need more utility appliance (for example Abrollhaspel, winder, kink, shears, welding machine etc.), so production line cost of investment height, and floor space is also big;
B. owing to be not direct color coating after the pot galvanize, so need oiling after the pot galvanize, and also need before the color coating to handle again;
C. owing to need batch between pot galvanize and the color coating and the uncoiling operation, therefore bigger to the infringement of steel plate alteration of form, strip shape quality is poor;
D. owing to be not direct color coating after the pot galvanize, therefore need carry out galvanized sheet and weld this unstable operation;
E. because steel band after the pot galvanize and the steel band before the color coating need to shear, therefore cause the waste of steel band;
F. total production run expense height.
[summary of the invention]
In order to address the above problem, the invention provides a kind of method of continuous production pot galvanize color-painted steel strip, it is incorporated into a production line with pot galvanize and coloured coating.
For realizing purpose of the present invention, the technical solution adopted in the present invention is: a kind of method of continuous production pot galvanize color-painted steel strip is provided, and it may further comprise the steps at least:
A. steel band enters the plating pretreatment stage, adopts acid wash to remove the ferric oxide of steel strip surface;
B. the steel band after the plating pre-treatment enters the solvent treatment stage, and this steel band enters solvent trough, coats solvent in steel strip surface, and is no longer oxidized to guarantee steel strip surface;
C. the steel band after solvent treatment enters the solvent baking stage, sends this steel band to stoving oven, the remaining moisture content oven dry of steel strip surface;
D. the steel band after the drying enters the pot galvanize stage, sends this steel band to the zinc pot, and the reaction of steel band and zinc liquid plates layer of even zinc liquid in steel strip surface in zinc liquid;
E. the steel band after zinc-plated enters the plating postcooling stage, sends this steel band to refrigerating unit it is cooled off;
F. enter chemical treatment stage through cooled steel band, this steel band is carried out chemical treatment;
G. the steel band after chemical treatment enters baking stage, with this steel band oven dry;
H. the steel band after the drying enters the rendering stage, sends this steel band to the rendering machine and primes;
I. the steel band behind rendering enters the baking stage, sends this steel band to roaster and toasts;
J. the steel band after baking enters essence and is coated with the stage, sends this steel band to essence and is coated with the machine overpainting;
K. the steel band after essence is coated with enters the baking stage, sends this steel band to roaster and toasts.
Further comprising the steps of before the step a:
A1. coil of strip is contained on the Abrollhaspel, makes coil of strip expand into steel band;
A2. if a last coil band launches then to enter step a3 fully, if after treating that a coil band launches fully, the portion end to end that two coils are rolled up pinches the welding machine welding respectively, thereby front and back two coils volume is welded together, realizes continuous production;
A3. steel band enters the kink bin stock stage, and steel band is fed into entry loop.
Further comprising the steps of after the step k:
K1. the steel band after baking enters the kink bin stock stage, sends this steel band to the outlet kink;
K2. the steel band after steel band comes out from the outlet kink enters shear stage, will deliver to shears from the steel band that the outlet kink comes out and shear;
K3. the steel band after shearing enters the rolling stage, and the steel band that has been coated with color layer is delivered to winder, is rolled into the finished product volume on request.
Is that independently production line is compared with traditional pot galvanize with coloured coating, and therefore the present invention can realize following advantage because pot galvanize and coloured coating are incorporated into a production line:
A. owing to reduced each utility appliance (for example Abrollhaspel, winder, kink, shears, welding machine etc.), so the whole production line cost of investment reduces approximately 30～40%, and floor space reduces 50～60%;
B. because directly instant color coating after the pot galvanize, so do not need oiling after the pot galvanize, do not need before the color coating to handle again yet;
C. since between pot galvanize and the color coating without batching and the uncoiling operation, therefore infringement reduces to the steel plate alteration of form, strip shape quality improves;
D. because directly color coating after the pot galvanize moves continuously, therefore need not carry out galvanized sheet and weld this unstable operation;
E. because steel band after the pot galvanize and the steel band before the color coating need not sheared, therefore can not cause the waste of steel band;
F. the production run expense reduces by 30～40%.
[description of drawings]
Fig. 1 is a pot galvanize color-painted steel strip production line schema of the present invention.
[embodiment]
See also Fig. 1, the method for continuous production pot galvanize color-painted steel strip of the present invention may further comprise the steps:
A. coil of strip is contained on the Abrollhaspel, makes coil of strip expand into steel band;
B. if a last coil band launches then to enter step c fully, if after treating that a coil band launches fully, the portion end to end that two coils are rolled up pinches the welding machine welding respectively, thereby front and back two coils volume is welded together, realizes continuous production;
C. steel band enters the kink bin stock stage, and steel band is fed into entry loop;
D. steel band enters the plating pretreatment stage after entry loop comes out, and adopts hydrochloric acid spray pickling technology to remove the ferric oxide of steel strip surface, is the secondary washing after the pickling, rinses out the residual acid solution of steel strip surface, in order to avoid solvent slop;
E. the steel band after the plating pre-treatment enters the solvent treatment stage, and it enters solvent trough with clean activatory surface, is coated with the last layer solvent in steel strip surface, and is no longer oxidized to guarantee steel strip surface;
F. the steel band after solvent treatment enters the solvent baking stage, sends this steel band to stoving oven, the remaining moisture content oven dry of steel strip surface;
G. the steel band after the drying enters the pot galvanize stage, sends this steel band to the zinc pot, and the reaction of steel band and zinc liquid plates layer of even zinc liquid in steel strip surface in zinc liquid;
H. the steel band after zinc-plated enters the plating postcooling stage, sends this steel band to refrigerating unit it is cooled off;
I. enter the polishing aligning stage through cooled steel band, the steel strip surface to this after zinc-plated is carried out the polishing aligning;
J. the steel band behind the polishing aligning enters chemical treatment stage, and this steel band is carried out passivation;
K. the steel band after passivation enters baking stage, with this steel band oven dry;
L. the steel band after the drying enters the rendering stage, sends this steel band to the rendering machine and primes;
M. the steel band behind rendering enters the baking stage, sends this steel band to roaster and toasts;
N. the steel band after baking enters essence and is coated with the stage, sends this steel band to essence and is coated with the machine overpainting;
O. the steel band after essence is coated with enters the baking stage, sends this steel band to roaster and toasts;
P. the steel band after baking enters the kink bin stock stage, sends this steel band to the outlet kink;
Q. the steel band after steel band comes out from the outlet kink enters shear stage, will deliver to shears from the steel band that the outlet kink comes out and shear;
R. the steel band after shearing enters the rolling stage, and the steel band that has been coated with color layer is delivered to winder, is rolled into the finished product volume on request.
Claims (7)
1. the method for a continuous production pot galvanize color-painted steel strip is characterized in that may further comprise the steps at least:
A. steel band enters the plating pretreatment stage, adopts acid wash to remove the ferric oxide of steel strip surface;
B. the steel band after the plating pre-treatment enters the solvent treatment stage, and this steel band enters solvent trough, coats solvent in steel strip surface, and is no longer oxidized to guarantee steel strip surface;
C. the steel band after solvent treatment enters the solvent baking stage, sends this steel band to stoving oven, the remaining moisture content oven dry of steel strip surface;
D. the steel band after the drying enters the pot galvanize stage, sends this steel band to the zinc pot, and the reaction of steel band and zinc liquid plates layer of even zinc liquid in steel strip surface in zinc liquid;
E. the steel band after zinc-plated enters the plating postcooling stage, sends this steel band to refrigerating unit it is cooled off;
F. enter chemical treatment stage through cooled steel band, this steel band is carried out chemical treatment;
G. the steel band after chemical treatment enters baking stage, with this steel band oven dry;
H. the steel band after the drying enters the rendering stage, sends this steel band to the rendering machine and primes;
I. the steel band behind rendering enters the baking stage, sends this steel band to roaster and toasts;
J. the steel band after baking enters essence and is coated with the stage, sends this steel band to essence and is coated with the machine overpainting;
K. the steel band after essence is coated with enters the baking stage, sends this steel band to roaster and toasts.
2. the method for continuous production pot galvanize color-painted steel strip as claimed in claim 1, the plating pre-treatment that it is characterized in that step a also comprise the secondary washing after the pickling, rinse out the residual acid solution of steel strip surface.
3. the method for continuous production pot galvanize color-painted steel strip as claimed in claim 1 is characterized in that also comprising the aligning stage between step e and the step f, to aligning through cooled steel strip surface.
4. the method for continuous production pot galvanize color-painted steel strip as claimed in claim 3 is characterized in that this aligning to steel strip surface is to adopt the polishing method for aligning.
5. the method for continuous production pot galvanize color-painted steel strip as claimed in claim 1, it is characterized in that step f is described carries out chemical treatment with this steel band and is meant this steel band is carried out passivation.
6. the method for continuous production pot galvanize color-painted steel strip as claimed in claim 1 is characterized in that step a is before further comprising the steps of:
A1. coil of strip is contained on the Abrollhaspel, makes coil of strip expand into steel band;
A2. if a last coil band launches then to enter step a3 fully, if after treating that a coil band launches fully, the portion end to end that two coils are rolled up pinches the welding machine welding respectively, thereby front and back two coils volume is welded together, realizes continuous production;
A3. steel band enters the kink bin stock stage, and steel band is fed into entry loop.
7. the method for continuous production pot galvanize color-painted steel strip as claimed in claim 1 is characterized in that step k is afterwards further comprising the steps of:
K1. the steel band after baking enters the kink bin stock stage, sends this steel band to the outlet kink;
K2. the steel band after steel band comes out from the outlet kink enters shear stage, will deliver to shears from the steel band that the outlet kink comes out and shear;
K3. the steel band after shearing enters the rolling stage, and the steel band that has been coated with color layer is delivered to winder, is rolled into the finished product volume on request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031469086A CN100497737C (en) | 2003-09-17 | 2003-09-17 | Method for continuous production of hot galvanizing color-painted steel strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031469086A CN100497737C (en) | 2003-09-17 | 2003-09-17 | Method for continuous production of hot galvanizing color-painted steel strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1594655A true CN1594655A (en) | 2005-03-16 |
| CN100497737C CN100497737C (en) | 2009-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031469086A Expired - Fee Related CN100497737C (en) | 2003-09-17 | 2003-09-17 | Method for continuous production of hot galvanizing color-painted steel strip |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007090326A1 (en) * | 2006-02-11 | 2007-08-16 | Anshan Falan Steel Strip Co., Ltd. | Automatic production line for producing high-strength color coated packing steel strip by utilizing non-quenching process |
| CN101249605B (en) * | 2008-04-11 | 2010-04-14 | 北京星和众工设备技术股份有限公司 | Method for continuous producing rust-inhibiting primer coating steel plate |
| CN101285525B (en) * | 2008-05-09 | 2010-06-02 | 北京星和众工设备技术股份有限公司 | Technological process for continuous production of sealing cushion raw material plate |
| CN101406874B (en) * | 2008-11-13 | 2011-02-02 | 常熟华冶薄板有限公司 | Method for processing steel plate with colorful coating layer and transfer device used by the method |
| CN101281395B (en) * | 2008-05-09 | 2011-07-06 | 东北大学 | Steel enterprise color coating machine unit production operation system optimization technological process |
| CN101693236B (en) * | 2009-08-25 | 2011-08-31 | 浙江华东轻钢建材有限公司 | Method for color-coating and manufacturing color steel plates |
| CN102168262A (en) * | 2011-04-12 | 2011-08-31 | 马鞍山钢铁股份有限公司 | Chromium-free passivation method of galvanized sheets |
| CN102220588A (en) * | 2011-06-10 | 2011-10-19 | 中山市创志建材科技有限公司 | Method for producing hot-galvanized color coated steel sheet by continuous annealing |
| CN101664734B (en) * | 2009-09-02 | 2011-11-30 | 苏州扬子江新型材料股份有限公司 | Preparation method of scratch-resistant and wear-resistant color coat steel plate |
| CN102671846A (en) * | 2012-05-10 | 2012-09-19 | 佛山津西金兰冷轧板有限公司 | Color-painting production process of pad rolls |
| CN102676969A (en) * | 2012-05-10 | 2012-09-19 | 佛山津西金兰冷轧板有限公司 | Manufacturing method for hot-dip galvanized steel sheet |
| CN102776460A (en) * | 2012-03-19 | 2012-11-14 | 江苏大力神科技股份有限公司 | Production method of thin steel strip hot galvanizing |
| CN103359513A (en) * | 2013-08-02 | 2013-10-23 | 武汉钢铁(集团)公司 | Method for continuously pasting films on production line of color coating unit and color coating unit |
| CN103817044A (en) * | 2014-02-20 | 2014-05-28 | 浙江达峰汽车技术有限公司 | Coating apparatus for active coating on carrier in exhaust particulate trap |
| CN106811711A (en) * | 2017-01-18 | 2017-06-09 | 北京钢研新冶工程设计有限公司 | A kind of continuous hot-dipping galvanizing and dual-purpose production unit and the production technology of UV color coatings |
| CN107058931A (en) * | 2016-08-30 | 2017-08-18 | 重庆万达薄板有限公司 | A kind of production method of color painted steel strip or steel band |
| CN108246813A (en) * | 2018-04-23 | 2018-07-06 | 黄石山力科技股份有限公司 | Tension control method, tenslator and slab Continuous Hot Dip Galvanizing Line |
| CN110331357A (en) * | 2019-08-16 | 2019-10-15 | 东北大学 | The method that a kind of pair of hollow type steel carry out Coloring hot-dip galvanization |
| CN111961998A (en) * | 2020-08-26 | 2020-11-20 | 重庆赛迪热工环保工程技术有限公司 | Novel process and system for high-efficiency production of hot galvanizing aluminum-zinc coating and color coating |
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2003
- 2003-09-17 CN CNB031469086A patent/CN100497737C/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007090326A1 (en) * | 2006-02-11 | 2007-08-16 | Anshan Falan Steel Strip Co., Ltd. | Automatic production line for producing high-strength color coated packing steel strip by utilizing non-quenching process |
| CN100431776C (en) * | 2006-02-11 | 2008-11-12 | 鞍山市发蓝钢带有限责任公司 | Automatic production line for producing high-strength color coated package steel strip by utilizing non-tempering process |
| CN101249605B (en) * | 2008-04-11 | 2010-04-14 | 北京星和众工设备技术股份有限公司 | Method for continuous producing rust-inhibiting primer coating steel plate |
| CN101285525B (en) * | 2008-05-09 | 2010-06-02 | 北京星和众工设备技术股份有限公司 | Technological process for continuous production of sealing cushion raw material plate |
| CN101281395B (en) * | 2008-05-09 | 2011-07-06 | 东北大学 | Steel enterprise color coating machine unit production operation system optimization technological process |
| CN101406874B (en) * | 2008-11-13 | 2011-02-02 | 常熟华冶薄板有限公司 | Method for processing steel plate with colorful coating layer and transfer device used by the method |
| CN101693236B (en) * | 2009-08-25 | 2011-08-31 | 浙江华东轻钢建材有限公司 | Method for color-coating and manufacturing color steel plates |
| CN101664734B (en) * | 2009-09-02 | 2011-11-30 | 苏州扬子江新型材料股份有限公司 | Preparation method of scratch-resistant and wear-resistant color coat steel plate |
| CN102168262A (en) * | 2011-04-12 | 2011-08-31 | 马鞍山钢铁股份有限公司 | Chromium-free passivation method of galvanized sheets |
| CN102168262B (en) * | 2011-04-12 | 2013-01-30 | 马鞍山钢铁股份有限公司 | Chromium-free passivation method of galvanized sheets |
| CN102220588A (en) * | 2011-06-10 | 2011-10-19 | 中山市创志建材科技有限公司 | Method for producing hot-galvanized color coated steel sheet by continuous annealing |
| CN102776460A (en) * | 2012-03-19 | 2012-11-14 | 江苏大力神科技股份有限公司 | Production method of thin steel strip hot galvanizing |
| CN102676969A (en) * | 2012-05-10 | 2012-09-19 | 佛山津西金兰冷轧板有限公司 | Manufacturing method for hot-dip galvanized steel sheet |
| CN102671846A (en) * | 2012-05-10 | 2012-09-19 | 佛山津西金兰冷轧板有限公司 | Color-painting production process of pad rolls |
| CN103359513A (en) * | 2013-08-02 | 2013-10-23 | 武汉钢铁(集团)公司 | Method for continuously pasting films on production line of color coating unit and color coating unit |
| CN103359513B (en) * | 2013-08-02 | 2016-04-27 | 武汉钢铁(集团)公司 | Color coating unit on-line continuous method for adhering film and color coating unit |
| CN103817044A (en) * | 2014-02-20 | 2014-05-28 | 浙江达峰汽车技术有限公司 | Coating apparatus for active coating on carrier in exhaust particulate trap |
| CN107058931A (en) * | 2016-08-30 | 2017-08-18 | 重庆万达薄板有限公司 | A kind of production method of color painted steel strip or steel band |
| CN107058931B (en) * | 2016-08-30 | 2019-05-14 | 重庆万达薄板有限公司 | A kind of production method of color painted steel strip or steel band |
| CN106811711A (en) * | 2017-01-18 | 2017-06-09 | 北京钢研新冶工程设计有限公司 | A kind of continuous hot-dipping galvanizing and dual-purpose production unit and the production technology of UV color coatings |
| CN108246813A (en) * | 2018-04-23 | 2018-07-06 | 黄石山力科技股份有限公司 | Tension control method, tenslator and slab Continuous Hot Dip Galvanizing Line |
| CN108246813B (en) * | 2018-04-23 | 2019-06-25 | 黄石山力科技股份有限公司 | Tension control method, tenslator and slab Continuous Hot Dip Galvanizing Line |
| CN110331357A (en) * | 2019-08-16 | 2019-10-15 | 东北大学 | The method that a kind of pair of hollow type steel carry out Coloring hot-dip galvanization |
| CN111961998A (en) * | 2020-08-26 | 2020-11-20 | 重庆赛迪热工环保工程技术有限公司 | Novel process and system for high-efficiency production of hot galvanizing aluminum-zinc coating and color coating |
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| Publication number | Publication date |
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| CN100497737C (en) | 2009-06-10 |
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