Construction method of fire-retardant coating for benzene hydrogenation engineering steel structure
A fireproof coating and construction method technology, applied in fireproof coatings, anti-corrosion coatings, coatings, etc., can solve problems such as high operating costs, complicated and unreasonable operation processes, and achieve safe and reliable coating engineering quality, simple operation, and design reasonable effect
Active Publication Date: 2015-03-04
MCC5 GROUP SHANGHAI CORPORATION LIMITED
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Problems solved by technology
At present, the construction of steel structure fireproof coatings for benzene hydrogenation projects that have been built or are under construction in China is still in an irregular stage, and there are many unscientific and unreasonable places. The operation process is complicated and the operation cost is high.
[0003] Therefore there are above-mentioned inconveniences and problems in known benzene hydrogenation engineering steel structure fireproof coating construction
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0021] The construction method of benzene hydrogenation engineering steel structure fireproof coating of the present invention is characterized in that comprising the following steps:
[0022] a. Derusting and surface treatment of steel structures. After the steel components are welded and manufactured, use an electric wire wheel grinder to clean up the loose scale, rust, dust, oil and sundries on the surface of the steel components;
[0023] b. Apply the red lead primer, apply the red lead anti-rust primer by roller coating, dry it naturally for 24 hours after painting, and test the paint film thickness with a magnetic thickness gauge, the paint film thickness is 35-45 μm In between, if the thickness is insufficient, paint again; the red lead primer for brushing is phenolic red lead antirust primer, and when the viscosity of phenolic red lead antirust primer is too high, dilute it with industrial xylene, Control within 40-50 seconds, and the amount of fire-resistant coating i...
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Abstract
The invention provides a construction method of a fire-retardant coating for a benzene hydrogenation engineering steel structure. The method is characterized by comprising the following steps of: a, performing derusting and surface treatment of a steel component, cleaning floating scale, corrosion, dust, stains and impurities on the surface of the steel component by using an electric steel wire wheel polishing machine after the steel component is soldered and manufactured; b, coating a red lead primer: painting the red lead anti-rust primer by adopting a roll coating method, naturally drying for 24 hours after the primer is coated, testing the thickness of the paint film by using a magnetic thickness tester, checking whether the thickness is between 35 and 45mu m or not, and re-coating if the thickness is not sufficient; and c, coating the fire-retardant paint: coating a miniature steel component of a roof system by using a manual coating method, and coating a steel column and steel beam large components by using a high-pressure airless spraying method. The construction method of a fire-retardant coating for the benzene hydrogenation engineering steel structure has the advantages of reasonable manufacture step design, simplicity in operation and safety and reliability in coating engineering construction.
Description
technical field [0001] The invention relates to a paint construction method, in particular to a fireproof paint construction method for benzene hydrogenation engineering steel structures. Background technique [0002] The process of benzene hydrogenation unit is quite special, its system is complicated, there are many equipments, the pressure and temperature of the system itself are high, and the pump equipment is not allowed to run idle. The benzene hydrogenation project is mainly divided into the central control room and substation, refining device, water supply and drainage project, air compressor station, storage and transportation facilities (tank farm and pump room), power supply for the whole plant and lighting for the whole plant, torches and ancillary projects Facilities, in the installation of these facilities, there are special requirements for lightning protection, fire protection, and explosion protection, among which the construction of fire-resistant coatings ...
Claims
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IPC IPC(8): B05D7/14B05D1/38B05D3/00B05D3/12C09D5/18C09D5/08
Inventor 陈小东陈和平徐桂兰冯娜
Owner MCC5 GROUP SHANGHAI CORPORATION LIMITED