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Production method of corrosion-resistant color steel plates

A production method and technology for color steel plates, which are applied to devices for coating liquid on surfaces, pretreatment surfaces, coatings, etc., can solve problems such as poor corrosion resistance of color steel plates, achieve excellent coating effect, simple production process, and reduce Effects of the coating process

Inactive Publication Date: 2015-09-30
青岛澳丽森建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problem of poor corrosion resistance of the color steel plate produced by the prior art, the present invention proposes a production method of the corrosion-resistant color steel plate. The produced color steel plate is better than the existing Technology improved several times

Method used

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Experimental program
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Effect test

Embodiment 1

[0028] The production raw material that the present invention adopts is the galvanized steel coil, and goes through following production line: the front end of the whole steel plate operation process is the uncoiler, and the rear end is the coiler, and there are four sets of tension machines in the middle to control the running speed and tension of the whole production line steel plate. Tightness. First, the galvanized steel coil is sent to the uncoiler by the feeding trolley, and the coiled galvanized steel coil is unrolled by the uncoiler. The machine trims and flattens the burrs at the suture interface. After the steel plate enters the looper through the tension machine, it enters the napping machine through the second tension machine. Adjust the tightness of the upper and lower rollers of the napping machine and the speed of the variable speed motor to meet the napping requirements. The napping machine uses two steel rollers, one for the upper and one for the bottom. There...

Embodiment 2

[0030]The production raw material adopted in the present invention is cold plate or galvanized steel coil, and goes through the following production lines: the front end of the whole steel plate operation process is an uncoiler, the rear end is a coiler, and there are four sets of tension machines in the middle to control the operation of the entire production line steel plate speed, tension. First, the galvanized steel coil is sent to the uncoiler by the feeding trolley, and the coiled galvanized steel coil is unrolled by the uncoiler. The machine trims and flattens the burrs at the suture interface. After the steel plate enters the looper through the tension machine, it enters the napping machine through the second tension machine. Adjust the tightness of the upper and lower rollers of the napping machine and the speed of the variable speed motor to meet the napping requirements. The napping machine uses two steel rollers on the upper and lower sides, and the stainless steel...

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Abstract

The invention relates to a production method of corrosion-resistant color steel plates. The production method comprises the following steps: (1) steel plate surface treatment: napping the surface of a steel plate with a napping machine, preheating the treated steel plate to 100 to 200 DEG C, and removing stress of the heated steel plate; (2) powder coating spraying: sending the steel plate obtained in the step (1) into powder spraying equipment, spraying powder coating on the surface of the steel plate uniformly with a powder spraying gun; (3) curing: sending the steel plate obtained in the step (2) into a curing oven till the coating is cured completely, wherein the curing temperature is 200 to 240 DEG C, and the curing time is 8 to 15 min. The preparation method has the advantages that the thickness of the coating can reach 70 to 120 microns; the density of the molecular structure of the coating is enhanced; the performance indexes of the steel plate are 5 to 6 times of those of a common color pre-coated steel plate in the aspects of thickness, hardness, corrosion resistance and scratching resistance. The steel plate finished product is wide in application range, can be widely used in corrosion-resistant buildings, wall bodies, tiles on a roof to prolong the service lives of the buildings, and has the advantages that the use cost of a user is reduced; the steel resource is saved; the natural environment is protected.

Description

technical field [0001] The invention belongs to the technical field of building materials, in particular to a production method of corrosion-resistant color steel plates. Background technique [0002] Color steel plate is a commonly used building material in modern buildings, especially factories and workshops. It has the advantages of light weight and easy installation. For some factories in corrosive industries such as chemical industry and smelting, which are highly corrosive, the corrosion resistance of color steel plates is required. Higher. The existing color steel plate is mainly achieved by painting the paint coating on the surface of the galvanized steel plate to achieve the corrosion resistance effect. Coating and drying furnace for continuous baking, winding and packaging. The defects of this production process are: (1) The paint coating is thin, generally two coatings and two dryings, the coating thickness is only 20-30 microns, and the coating is thin and not c...

Claims

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Application Information

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IPC IPC(8): B05D5/00B05D3/00B05D3/02
Inventor 任国胜
Owner 青岛澳丽森建材有限公司
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