Organic coated steel sheet, manufacturing method and application thereof
An organic coating, steel plate technology, applied in coatings, anti-corrosion coatings, conductive coatings, etc., can solve the problems of uneven enamel layer, enamel assembled tanks do not have anti-corrosion performance requirements, etc. strength, the effect of increasing overall mobility
Active Publication Date: 2020-01-10
BEIJING YINGHERUI ENVIRONMENTAL ENG
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Problems solved by technology
[0003] Specifically, the organic coating bolted tank is more cost-effective than the carbon steel welded tank with on-site anti-corrosion construction, and the work quality and efficiency are also greatly improved; compared with the enamel assembled tank, the enamel coating is an inert coating. It shows excellent protective effect in heavy corrosion environment, but for actual engineering operation, due to the unevenness and local defects of the enamel layer, the enamel assembled tank does not meet the anticorrosion performance requirements in some strong corrosive environments
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[0031] The technical scheme of the present invention will be explained and illustrated in detail below in conjunction with specific embodiments, so that those skilled in the art can better understand and implement the present invention.
[0032] Ordinary carbon structural steel or low-alloy structural steel is selected as the base material, and the base material is subjected to shape treatment, surface treatment, coating and curing of the organic coating in sequence to obtain an organic coated steel plate.
[0033]The choice of steel plate material includes Q235, Q275, Q345, SRT480, etc. The length of a steel plate is 2-6m, the height is 1-3m, and the thickness is 3mm-35mm.
[0034] The shape treatment includes three steps of flattening, punching, and corner cutting; the surface treatment process includes two steps of cleaning the oxide skin and dust on the metal surface and increasing the roughness of the metal surface.
[0035] For shape processing, Kaiping improves the flat...
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Abstract
The invention discloses an organic coated steel plate, a manufacturing method and application thereof. The organic coated steel plate is composed of a steel plate, primer and finish paint. The epoxy zinc-rich primer is composed of bisphenol S epoxy resin, superfine zinc powder, a mixed solvent, a curing agent and a defoaming agent. The epoxy-polyurethane composite finish paint is composed of epoxyresin, polyurethane powder, a mixed solvent, a curing agent and other components. And the epoxy resin is bisphenol S type epoxy resin, bisphenol A type epoxy resin or bisphenol AF type epoxy resin; and the other components can be one or more of titanium dioxide, talcum powder, mica iron oxide, medium chrome yellow and zinc phosphate. The preparation method of the organic coated steel plate includes: firstly carrying out surface treatment on the steel plate, then coating the steel plate with the primer, performing high-temperature curing at 100-280DEG C for 0.1-0.5h, then coating the steel plate with the finish paint, and conducting high-temperature curing. The obtained organic coated steel plate has the characteristics of good toughness, high strength, good paint film adhesiveness, friction resistance and long service life, and is particularly suitable for manufacturing bolt connection tanks.
Description
technical field [0001] The invention relates to the technical field of manufacturing bolted tank steel plate materials, in particular to an organic coated steel plate and its manufacturing method and application. Background technique [0002] Compared with other tanks, the organic-coated bolt-linked tank has achieved breakthroughs and innovations in materials, anti-corrosion technology and installation methods, and is a world-leading tank-making technology. Compared with other similar products (enamel assembled tanks, concrete tanks, welded tanks, Lipp tanks, etc.) Features such as simplicity, expandability, migration, equipment standardization, high degree of equipment, and low cost. [0003] Specifically, the organic coating bolted tank is more cost-effective than the carbon steel welded tank with on-site anti-corrosion construction, and the work quality and efficiency are also greatly improved; compared with the enamel assembled tank, the enamel coating is an inert coati...
Claims
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IPC IPC(8): C09D163/02C09D175/04C09D5/10C09D5/24C08G59/40C08G59/44B05D7/14B05D7/26B05D5/08B05D3/00B05D1/38
CPCB05D3/002B05D5/08B05D7/14B05D7/26B05D7/544B05D7/546C08G59/4042C08G59/44C08K2003/0893C08K2003/2241C09D5/106C09D5/24C09D163/00C09D175/04C08K3/08C08L63/00C08K3/34C08K3/22C08L75/04C08K3/32
Inventor 梅雪芦建平沈毅董志国
Owner BEIJING YINGHERUI ENVIRONMENTAL ENG
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