CN109622339A - A method of carrying out the resistance and fingerprint resistance processing of galvanized sheet on color-coating line - Google Patents
A method of carrying out the resistance and fingerprint resistance processing of galvanized sheet on color-coating line Download PDFInfo
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- CN109622339A CN109622339A CN201811511681.2A CN201811511681A CN109622339A CN 109622339 A CN109622339 A CN 109622339A CN 201811511681 A CN201811511681 A CN 201811511681A CN 109622339 A CN109622339 A CN 109622339A
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- resistance
- galvanized sheet
- color
- coating
- fingerprint
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
Abstract
The present invention provides a kind of to carry out the method that the resistance and fingerprint resistance of galvanized sheet is handled on color-coating line, by carrying out resistance and fingerprint resistance processing to not post-treated galvanized steel in color coating line, the production method coated by means of color-coating line roller coating, coat resistance and fingerprint resistance coating more uniform, also allow the different films of resistance and fingerprint resistance coating are heavy to measure more effectively control, both the zinc-plated resistance and fingerprint resistance product for meeting market demands had been produced, color coating line new function has been developed, good economic benefit can also be obtained.Compared with prior art, the present invention has filled up the technological gap for carrying out resistance and fingerprint resistance processing to galvanized sheet on color coating line, develops the new function of color-coating line.In addition, comprehensive drop per ton is originally up to 200 yuan or more this technique improves the encashment ratio of order.
Description
Technical field
The invention belongs to the production fields of flat cold-rolled sheet, are related to a kind of resistance and fingerprint resistance processing that galvanized sheet is carried out on color-coating line
Method.
Background technique
In the production of galvanized wire, not post-treated galvanizing production can be generated because of a variety of causes, the part is unplanned
Product needs mark-down sale, is also easy to produce white rust in storage, transport, use process, leads to quality objection loss occur, to enterprise
Benefit and prestige bring adverse effect.
The galvanization roll not post-treated to such, other than carrying out oiling on galvanization production line, in other producing lines to it
Implement post-processing and one is remedied.Chinese Patent Application No. CN201110090442.6 discloses a kind of galvanized sheet chromium-free deactivation
Processing method, this method are to carry out chromium-free deactivation processing to GI or GA galvanizing production on color-coating line.
The technology for the resistance and fingerprint resistance processing that galvanized sheet is carried out on color-coating line is not found at present.
Summary of the invention
The purpose of the present invention is to provide a kind of to carry out the method that the resistance and fingerprint resistance of galvanized sheet is handled, the present invention on color-coating line
By the way that in color coating line, galvanization roll not post-treated for some reason is carried out resistance and fingerprint resistance processing, with save attribute be not inconsistent it is zinc-plated
Product is met customer need, and lost on sale and quality objection are avoided.By in color coating line to not post-treated zinc-plated band
Steel carries out resistance and fingerprint resistance processing, by means of the production method that color-coating line roller coating coats, coats resistance and fingerprint resistance coating more uniform,
It allows the different films of resistance and fingerprint resistance coating are heavy to measure more effectively control, had both produced the zinc-plated resistance and fingerprint resistance production for meeting market demands
Product develop color coating line new function, can also obtain good economic benefit.
Specific technical solution of the present invention is as follows:
A kind of method of resistance and fingerprint resistance processing carrying out galvanized sheet on color-coating line provided by the invention, comprising the following steps:
1) uncoiling is carried out to galvanized sheet；
2) straightening；
3) degreasing agent cleaning and rinsing are carried out to galvanized sheet；
4) it is dried up after cleaning；
5) resistance and fingerprint resistance coating processing is carried out to galvanized sheet；
6) baking-curing is carried out；
7) water quenching cooling is carried out；
8) the resistance and fingerprint resistance galvanized sheet being prepared batched, packed.
Further, step 1) the galvanized sheet substrate thickness 0.3mm~3.0mm, production line is according to different-thickness specification
Reduction of speed production, and adjust roller coating parameter.
Further, straightening described in step 2), straightening elongation percentage range 0.0%~2.0%.
Further, degreasing agent described in step 3) cleans, and degreasing agent concentration is controlled 0.1%~3.0%.
Further, resistance and fingerprint resistance medicament is squeezed into color-coating line using applicator roll, batea using roll coater in step 5)
Rendering roll coater or essence apply in the batea of roll coater, thus carrying out resistance and fingerprint resistance coating processing to galvanized sheet.Resistance and fingerprint resistance medicament is
It is commercially available.
Further, baking-curing is carried out using prime oven or finish oven in step 6).
Further, when step 5) is coated using rendering roll coater, corresponding step 6) is toasted using prime oven
Solidification；Or, corresponding step 6) carries out baking-curing using finish oven when step 5) applies roll coater coating using essence.
Further, when step 6) carries out curing oven baking-curing, prime oven and finish oven export PMT mesh
Mark control is 30 DEG C~140 DEG C.
The water quenching process of color-coating line is set according to process requirement.
Further, each parameter not limited in above-mentioned processing method is set according to common Coil Coating Products.
Further, the resistance and fingerprint resistance film thickness monitoring of galvanized sheet is in 0.3~1.4g/m of single side after the present invention is handled2.It is then two-sided
Control is in 0.6~2.8g/m2。
Compared with prior art, the present invention has filled up the technology for carrying out resistance and fingerprint resistance processing to galvanized sheet on color coating line
Blank develops the new function of color-coating line.In addition, this technique improves the encashment ratio of order, comprehensive drop per ton this up to 200 yuan with
On.
Specific embodiment
The present invention will be described in detail below, is one of numerous embodiments of the present invention preferred embodiment.
Embodiment 1
A method of carrying out the resistance and fingerprint resistance processing of galvanized sheet on color-coating line, the Bus in Color Coat Production Line at least contains
Withdrawal straightening machine, cleaning section, prime oven, roll coater, rendering water quenching, batea, finish oven, essence apply water quenching, coiling machine etc. and set
Apply, processing method the following steps are included:
1) uncoiling is carried out to galvanized sheet；
2) straightening, straightening elongation control is 0.5%；
3) degreasing agent cleaning and rinsing are carried out to galvanized sheet；When degreasing agent cleans, degreasing agent concentration is controlled 2.5%；
4) it is dried up after cleaning；
5) resistance and fingerprint resistance coating processing is carried out to galvanized sheet；(resistance and fingerprint resistance medicament)
6) baking-curing is carried out；(rendering roll coater)
7) water quenching cooling is carried out；(rendering water quenching section)
8) the resistance and fingerprint resistance galvanized sheet being prepared batched, packed.
The technological parameter for the treatment of process is set according to common Coil Coating Products, and when substrate thickness 0.5mm, wire velocity control exists
120m/min.When processing, resistance and fingerprint resistance medicament is squeezed into the front batea and back side batea of rendering roll coater, through rendering after coating
Curing oven baking, it is 80 DEG C that prime oven, which exports the PMT target control of METAL HEATING PROCESS peak value,.It is dried up after rendering section water quenching cooling
It completes, wherein rendering water quenching cooling spray, spraying section control are opened according to the mild plate shape situation of practical band steel plate.Control galvanized sheet
The resistance and fingerprint resistance film thickness of front and back is in single side 0.6g/m2(then two-sided control is in 1.2g/m2), or required according to customer order
Control.
In treatment process, when substrate thickness 0.3mm~3.0mm, line speed is carried out according to substrate thickness, width specifications
Adjustment, while roller coating parameter correspondence is made adjustment.At 30 DEG C~140 DEG C, heat exchanger valve is open PMT temperature objectives control range
It is adjusted according to actual temperature situation.Rendering water quenching and essence apply the opening degree of water quenching section, according to band practical in production process
The mild plate shape situation of steel plate adjusts at any time.
Embodiment 2
A method of carrying out the resistance and fingerprint resistance processing of galvanized sheet on color-coating line, the Bus in Color Coat Production Line at least contains
Withdrawal straightening machine, cleaning section, prime oven, roll coater, rendering water quenching, batea, finish oven, essence apply water quenching, coiling machine etc. and set
Apply, processing method the following steps are included:
1) uncoiling is carried out to galvanized sheet；
2) straightening, straightening elongation control is 1.5%；
3) degreasing agent cleaning and rinsing are carried out to galvanized sheet；When degreasing agent cleans, degreasing agent concentration is controlled 0.8%；
4) it is dried up after cleaning；
5) resistance and fingerprint resistance coating processing is carried out to galvanized sheet；(resistance and fingerprint resistance medicament)
6) baking-curing is carried out；(essence applies roll coater)
7) water quenching cooling is carried out；(essence applies water quenching section)
8) the resistance and fingerprint resistance galvanized sheet being prepared batched, packed.
The technological parameter for the treatment of process is set according to common Coil Coating Products, and when substrate thickness 1.0mm, wire velocity control is in 60m/
min.When processing, resistance and fingerprint resistance medicament is squeezed into essence and is applied in the front batea and back side batea of roll coater, applies solidification through essence after coating
Baking oven is roasting, and it is 100 DEG C that finish oven, which exports the PMT target control of METAL HEATING PROCESS peak value,.Section water quenching cooling after-blow is applied through essence to finish
At wherein essence applies water quenching cooling spray, spraying section control is opened according to the mild plate shape situation of practical band steel plate.Control galvanized sheet just
The resistance and fingerprint resistance film thickness at face and the back side is in single side 1.2g/m2(then two-sided control is in 2.4g/m2), or require to control according to customer order
System.
In treatment process, when substrate thickness 0.3mm~3.0mm, line speed is carried out according to substrate thickness, width specifications
Adjustment, while roller coating parameter correspondence is made adjustment.At 30 DEG C~140 DEG C, heat exchanger valve is open PMT temperature objectives control range
It is adjusted according to actual temperature situation.Rendering water quenching and essence apply the opening degree of water quenching section, according to band practical in production process
The mild plate shape situation of steel plate adjusts at any time.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved directly apply to other fields
It closes, it is within the scope of the present invention.
Claims (8)
1. a kind of method for the resistance and fingerprint resistance processing for carrying out galvanized sheet on color-coating line, which is characterized in that the method includes following
Step:
1) uncoiling is carried out to galvanized sheet；
2) straightening；
3) degreasing agent cleaning and rinsing are carried out to galvanized sheet；
4) it is dried up after cleaning；
5) resistance and fingerprint resistance coating processing is carried out to galvanized sheet；
6) baking-curing is carried out；
7) water quenching cooling is carried out；
8) the resistance and fingerprint resistance galvanized sheet being prepared batched, packed.
2. the method according to claim 1, wherein step 1) the galvanized sheet substrate thickness 0.3mm~
3.0mm。
3. the method according to claim 1, wherein straightening described in step 2), straightening elongation percentage range 0.0%
~2.0%.
4. the method according to claim 1, wherein the cleaning of degreasing agent described in step 3), degreasing agent concentration control
System is 0.1%~3.0%.
5. the method according to claim 1, wherein utilize roll coater in step 5), using applicator roll, batea,
Resistance and fingerprint resistance medicament is squeezed into the rendering roll coater of color-coating line or essence applies in the batea of roll coater, thus carrying out resistance to finger to galvanized sheet
Line coating processing.
6. the method according to claim 1, wherein corresponding to step when step 5) is coated using rendering roll coater
6) baking-curing is carried out using prime oven；Or, corresponding step 6) is applied using essence when step 5) applies roll coater coating using essence
Curing oven carries out baking-curing.
7. the method according to claim 1, wherein rendering is solid when step 6) carries out curing oven baking-curing
Changing furnace and finish oven outlet PMT target control is 30 DEG C~140 DEG C.
8. the method according to claim 1, wherein the resistance and fingerprint resistance film thickness monitoring of heat zinc coating plate is in single side after processing
0.3~1.4g/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511681.2A CN109622339A (en) | 2018-12-11 | 2018-12-11 | A method of carrying out the resistance and fingerprint resistance processing of galvanized sheet on color-coating line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511681.2A CN109622339A (en) | 2018-12-11 | 2018-12-11 | A method of carrying out the resistance and fingerprint resistance processing of galvanized sheet on color-coating line |
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| Publication Number | Publication Date |
|---|---|
| CN109622339A true CN109622339A (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811511681.2A Pending CN109622339A (en) | 2018-12-11 | 2018-12-11 | A method of carrying out the resistance and fingerprint resistance processing of galvanized sheet on color-coating line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020444A (en) * | 2019-11-29 | 2020-04-17 | 张家港扬子江冷轧板有限公司 | Process method for uniformly plating zinc and chromium-free fingerprint-resistant passivation film thickness |
| CN111097853A (en) * | 2019-12-16 | 2020-05-05 | 首钢集团有限公司 | Method and device for improving quality of oil film on surface of strip steel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310968A (en) * | 2008-04-08 | 2008-11-26 | 江苏江南冷轧薄板有限公司 | Color fingerprint resistant sheet and process method thereof |
| CN101545108A (en) * | 2008-03-24 | 2009-09-30 | 长江润发集团有限公司 | Process for manufacturing colorized fingerprint-resistant rolling plate |
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2018
- 2018-12-11 CN CN201811511681.2A patent/CN109622339A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545108A (en) * | 2008-03-24 | 2009-09-30 | 长江润发集团有限公司 | Process for manufacturing colorized fingerprint-resistant rolling plate |
| CN101310968A (en) * | 2008-04-08 | 2008-11-26 | 江苏江南冷轧薄板有限公司 | Color fingerprint resistant sheet and process method thereof |
Non-Patent Citations (2)
| Title |
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| 何汝迎等: "<不锈钢冷轧生产技术及产品应用>", 31 August 2014, 冶金工业出版社 * |
| 李林: "无铬耐指纹镀锌板的开发", 《2006年全国冷轧板生产技术交流会论文集》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020444A (en) * | 2019-11-29 | 2020-04-17 | 张家港扬子江冷轧板有限公司 | Process method for uniformly plating zinc and chromium-free fingerprint-resistant passivation film thickness |
| CN111097853A (en) * | 2019-12-16 | 2020-05-05 | 首钢集团有限公司 | Method and device for improving quality of oil film on surface of strip steel |
| CN111097853B (en) * | 2019-12-16 | 2021-09-21 | 首钢集团有限公司 | Method and device for improving quality of oil film on surface of strip steel |
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Application publication date: 20190416 |