Combined unit for producing zinc-magnesium alloy coated steel plate and color-coated plate and production method thereof
A technology of alloy coating and combined unit, applied in metal material coating process, device for coating liquid on the surface, coating, etc., can solve problems such as unsatisfactory, short service life, poor corrosion resistance of galvanized steel strip, etc. Achieve the effect of saving initial equipment investment, improving rapid response capability and production efficiency
Active Publication Date: 2017-09-29
CHINA IRON & STEEL RES INST GRP +1
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Problems solved by technology
[0003] At present, a single color coating unit can only produce color coated boards
Galvanized steel strips are mostly used for color-coated board substrates, and the corrosion resistance of galvanized steel strips is relatively poor, and the service life is short
Color coating units based on galvanized steel strips are increasingly unable to meet the market's demand for higher corrosion resistance coated strips and diversified coated strip products
Method used
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[0022] The principle of the present invention will be further described in detail below in conjunction with the accompanying drawings and exemplary embodiments, so as to make the technical solution of the present invention clearer. Existing color coating units can only produce color-coated panels with a single galvanized sheet substrate, but the present invention can produce zinc-magnesium alloy coated panels and their color-coated panels with better corrosion resistance and longer service life, and can be used on the same unit The following three types of coated steel strip products are produced: zinc-magnesium alloy coated steel sheet, color-coated sheet of galvanized sheet substrate and color-coated sheet of zinc-magnesium alloy coated steel sheet substrate. The production of zinc-magnesium alloy coated steel plate is to adopt continuous PVD (Physical Vapor Deposition, abbreviated as PVD, that is, physical vapor deposition) technology to vacuum magnesium on the galvanized la...
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Abstract
The invention provides a combination unit for producing zinc-magnesium alloy coated steel plates and color-coated plates and a production method thereof. The combined unit is mainly composed of an inlet section, a degreasing section, a continuous PVD vacuum coating section, a chemical roller coating section, an initial coating section, a finishing coating section, a coating section and an outlet section. The combination unit of the present invention can maximize the use of the inlet section and the outlet section of the color coating unit. While saving the initial investment in unit equipment, the same unit can produce color-coated plates for galvanized substrates, zinc-magnesium alloy coated steel plates, and zinc-magnesium alloy coated steel plates. There are three types of color-coated plates for magnesium alloy coated steel substrates, and one unit for three purposes, which can improve the flexibility of production, the rapid response of the market and the production efficiency.
Description
technical field [0001] The invention belongs to the technical field of deep processing of steel strip surface coating, and provides a combined unit and production method for producing zinc-magnesium alloy coated steel plates and color-coated plates. Background technique [0002] In recent years, with the rapid development of the economy, my country has built a large number of color coating units. In the face of fierce market competition, how to flexibly adjust the product structure, quickly respond to market demand, and reduce production costs is the key to the survival and development of enterprises. . [0003] At present, a single color coating unit can only produce color coated plates. Most of the color-coated board substrates use galvanized steel strips, and the corrosion resistance of galvanized steel strips is relatively poor, and the service life is short. Color coating units based on galvanized steel strips are increasingly unable to meet the market's demand for hig...
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IPC IPC(8): C23C14/56B05C1/08
Inventor 俞钢强张启富刘灿楼仲海峰江社明习中革陈斌锴王珊魏文龙
Owner CHINA IRON & STEEL RES INST GRP