Combined unit for producing zinc-magnesium alloy coated steel plates and color-coated sheets and production method of combined unit
An alloy coating and combined unit technology, which is applied in the metal material coating process, the device for coating liquid on the surface, the coating, etc., can solve the problems of short service life, unsatisfactory, poor corrosion resistance of galvanized steel strip, etc. Achieve the effect of improving rapid response capability and production efficiency, and saving initial equipment investment
Active Publication Date: 2016-01-06
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
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[0022] The principle of the present invention will be described in further detail below in conjunction with the accompanying drawings and exemplary embodiments, so as to make the technical solution of the present invention clearer. The existing color coating unit can only produce a single color-coated plate of a galvanized sheet substrate. The present invention can produce zinc-magnesium alloy coated plates and color-coated plates with better corrosion resistance and longer service life, which can be installed on the same unit. The following three types of coated steel strip products are produced: zinc-magnesium alloy coated steel sheet, color coated steel plate based on galvanized sheet and color coated steel sheet based on zinc-magnesium alloy coated steel sheet. The production of zinc-magnesium alloy coated steel sheet is to use continuous PVD (Physical Vapor Deposition, abbreviated as PVD, that is, physical vapor deposition) technology to vacuum magnesium on the galvanized l...
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The invention provides a combined unit for producing zinc-magnesium alloy coated steel plates and color-coated sheets and a production method of the combined unit. The combined unit is mainly composed of an inlet section, a degreasing section, a continuous plating vacuum deposition (PVD) section, a chemical roller coating section, a primary coating section, a finish coating section, a laminating section and an outlet section. According to the combined unit, the inlet section and the outlet section of the color-coated unit can be used to the maximum extent, color-coated sheets of zinc-coated base plates, the zinc-magnesium alloy coated steel plates and color-coated sheets of base plates of the zinc-magnesium alloy coated steel plates can be produced through the same unit while the initial investment of unit equipment is reduced, and three purposes are achieved through one unit; production flexibility, quick market responsibility and production efficiency can be improved.
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 economic development, my country has built a large number of color coating units. In the face of fierce market competition, how to flexibly adjust 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 galvanized steel strips have relatively poor corrosion resistance and short service life. The color coating unit with galvanized steel strip as the substrate is increasingly unable to meet the market's demand for coating strips with ...
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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