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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 PDF

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Publication number
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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CN
China
Prior art keywords
coating
resistance
galvanized sheet
fingerprint
color
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.)
Pending
Application number
CN201811511681.2A
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Chinese (zh)
Inventor
李虹云
张四方
陈德春
胡超
刘明康
王茹玉
李山桐
马新荣
汤晓东
蔡明�
钱鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maanshan Iron and Steel Co Ltd
Original Assignee
Maanshan Iron and Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maanshan Iron and Steel Co Ltd filed Critical Maanshan Iron and Steel Co Ltd
Priority to CN201811511681.2A priority Critical patent/CN109622339A/en
Publication of CN109622339A publication Critical patent/CN109622339A/en
Pending legal-status Critical Current

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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

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Coating With Molten Metal (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

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

A method of carrying out the resistance and fingerprint resistance processing of galvanized sheet on color-coating line
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)

1.一种在彩涂线上进行镀锌板的耐指纹处理的方法，其特征在于，所述方法包括以下步骤：1. a kind of method that carries out the anti-fingerprint treatment of galvanized sheet on color coating line, it is characterised in that the method comprises the following steps: 1)对镀锌板进行开卷；1) Uncoiling the galvanized sheet; 2)拉矫；2) Pull straightening; 3)对镀锌板进行脱脂剂清洗和漂洗；3) Degreasing and rinsing the galvanized sheet; 4)在清洗结束后进行吹干；4) dry after cleaning; 5)对镀锌板进行耐指纹涂覆处理；5) The galvanized sheet is treated with anti-fingerprint coating; 6)进行烘烤固化；6) Baking and curing; 7)进行水淬冷却；7) Water quenching and cooling; 8)对制备得到的耐指纹镀锌板进行卷取、包装。8) Coiling and packaging the prepared fingerprint-resistant galvanized sheet. 2.根据权利要求1所述的方法，其特征在于，步骤1)所述镀锌板基板厚度0.3mm～3.0mm。2 . The method according to claim 1 , wherein the thickness of the galvanized sheet substrate in step 1) is 0.3 mm to 3.0 mm. 3 . 3.根据权利要求1所述的方法，其特征在于，步骤2)中所述拉矫，拉矫延伸率范围0.0％～2.0％。3. The method according to claim 1, characterized in that, in step 2), in the stretch-correction, the stretch-correction elongation ranges from 0.0% to 2.0%. 4.根据权利要求1所述的方法，其特征在于，步骤3)中所述脱脂剂清洗，脱脂剂浓度控制在0.1％～3.0％。4 . The method according to claim 1 , wherein the degreaser is cleaned in step 3), and the degreaser concentration is controlled at 0.1% to 3.0%. 5 . 5.根据权利要求1所述的方法，其特征在于，步骤5)中利用辊涂机，使用涂覆辊、漆盘，将耐指纹药剂打入彩涂线的初涂辊涂机或精涂辊涂机的漆盘中，从而在对镀锌板进行耐指纹涂覆处理。5. method according to claim 1, is characterized in that, utilizes roller coater in step 5), uses coating roller, lacquer plate, the anti-fingerprint medicament is driven into the initial coating roller coater of color coating line or fine coating In the paint pan of the roller coater, the galvanized sheet is subjected to fingerprint-resistant coating treatment. 6.根据权利要求1所述的方法，其特征在于，步骤5)采用初涂辊涂机涂覆时，对应步骤6)采用初涂固化炉进行烘烤固化；或，步骤5)采用精涂辊涂机涂覆时，对应步骤6)采用精涂固化炉进行烘烤固化。6. method according to claim 1, is characterized in that, when step 5) adopts initial coating roller coater to coat, corresponding step 6) adopts initial coating curing oven to carry out baking and curing; Or, step 5) adopts fine coating When the roller coater is used for coating, corresponding to step 6), a fine coating curing oven is used for baking and curing. 7.根据权利要求1所述的方法，其特征在于，当步骤6)进行固化炉烘烤固化时，初涂固化炉和精涂固化炉出口PMT目标控制均为30℃～140℃。7 . The method according to claim 1 , wherein, when step 6) is performed in curing oven baking and curing, the PMT target control at the outlet of the initial coating curing oven and the finishing coating curing oven is both 30° C. to 140° C. 8 . 8.根据权利要求1所述的方法，其特征在于，处理后热镀锌板的耐指纹膜厚控制在单面0.3～1.4g/m2。8 . The method according to claim 1 , wherein the anti-fingerprint film thickness of the hot-dip galvanized sheet after treatment is controlled to be 0.3-1.4 g/m 2 on one side. 9 .
CN201811511681.2A 2018-12-11 2018-12-11 A method of carrying out the resistance and fingerprint resistance processing of galvanized sheet on color-coating line Pending CN109622339A (en)

Priority Applications (1)

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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

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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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Cited By (3)

* Cited by examiner, † Cited by third party
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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