Thick section steel structure fireproof coating and construction technology thereof

A technology of fireproof coating and construction technology, which is applied in the direction of fireproof coating, fire prevention, coating, etc. It can solve the problems of poor adhesion between steel structure and surface coating, short service life, etc., and achieve light specific gravity, excellent water resistance, The effect of long fire resistance

Inactive Publication Date: 2014-11-12
HENAN OASIS TECH GRP
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AI Technical Summary

Problems solved by technology

[0004] Most of the existing steel surface materials are simply brushed or sprayed, which can only play a role in wind erosion resistance,

Method used

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Embodiment Construction

[0031] Below in conjunction with specific embodiment, the present invention is described further:

[0032] A thick steel structure fireproof coating is characterized in that it is composed of the following raw materials according to the weight ratio: fireproof coating: binder: water = 1:0.08:1.2;

[0033] Described fireproof paint is: NH—AWS indoor thick steel structure fireproof paint;

[0034] Described binder is VAE vinyl acetate-ethylene copolymer emulsion;

[0035] A thick steel structure fireproof coating, the construction process steps are as follows:

[0036] a. Preparations before construction of fire retardant coating:

[0037] 1) The surface of the steel structure needs anti-corrosion treatment and the anti-rust paint has been solidified;

[0038] 2) Dust, impurities and oil stains on the surface of steel components should be thoroughly removed, and the surface of steel components is required to be clean and free of oil and dust;

[0039] b. Primer construction:...

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Abstract

A thick section steel structure fireproof coating is characterized in that the thick section steel structure fireproof coating is composed of a fireproof coating, a binder and water according to a weight ratio of 1:0.08:1.2. The NH-AWS indoor thick section steel structure fireproof coating is a water-soluble coating, is prepared by compounding the inorganic binder with many flame-retardant heat insulation coatings, and a coat formed by the thick section steel structure fireproof coating can form a heat insulation layer after meeting fire, so a steel member is insulated and protected from heat in a fire hazard, and does not generate any harmful gases at a high temperature, and the strength of the steel member does not acutely decrease under the action of the high temperature of the fire hazard, thereby the collapse of buildings is avoided; and the NH-AWS indoor thick section steel structure fireproof coating has the advantages of high binding strength, excellent water resistance, good weather ability, light specific gravity, long fireproof time, and suitableness for the fireproof protection of the naked parts of steel structure buildings with high fireproof limit.

Description

[0001] Technical field The present invention relates to a steel structure fireproof coating, specifically a thick steel structure fireproof coating and its construction process. Background technique [0002] With the development of society and the continuous improvement of people's living standards, especially the rapid development of industrial economy, people's material life and economic life have been greatly improved. [0003] With the development of industrialization, especially in the construction of large and medium-sized cities, steel structures have become a very important construction application material due to their fast and convenient construction advantages. As metal steel structures, they are mostly used in standard In factory buildings, large stadiums, airports, bridges, three-dimensional garages and other places, in order to ensure their long-term exposure to the sun, wind and rain, and fire resistance, anti-corrosion and fire-resistant coatings are usually pai...

Claims

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Application Information

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IPC IPC(8): C09D5/18C09D1/00C09D7/12E04B1/94B05D7/14B05D5/00
Inventor 刘清龚陶向利李顺平郭晓红郭小艳轩鹤
Owner HENAN OASIS TECH GRP
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