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A kind of anticorrosion technology of anticorrosion tank

A technology of technology and branch, which is applied in the anticorrosion process field of anticorrosion tanks, can solve the problems of large investment in anticorrosion, large floor space, and increased cost, and achieve the effect of improving quality, small floor space, and increasing stability

Active Publication Date: 2019-10-29
徐州势甲信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To solve the corrosion problem of storage tanks, there are only two traditional methods. One is to make stainless steel, but its disadvantage is high cost; The investment is large, the floor area is large, and it is easy to fall off. It needs to be replaced after three years, which increases the cost

Method used

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  • A kind of anticorrosion technology of anticorrosion tank
  • A kind of anticorrosion technology of anticorrosion tank
  • A kind of anticorrosion technology of anticorrosion tank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The anticorrosion process of a kind of anticorrosion tank described in this embodiment comprises the following steps:

[0033] (1) Derust and sandblast the inside of the anticorrosion tank 1, each branch 2, and the surface of the flange 3. After sandblasting, the surface cleanliness reaches Sa3 level and the roughness is 75 μm. The flange 3 is a plate-type flat-welded flange. The surface of the flange 3 is provided with a protruding surface 13, and a circular groove 14 is provided on the protruding surface;

[0034] (2) The corners of each branch of the anti-corrosion tank 1 are polished into an arc 6, and there are two sets of cross-shaped grooves 4 inside the tank body, and the grooves 4 are semicircular grooves;

[0035] (3) Prepare anti-corrosion raw materials, the anti-corrosion raw materials are mixed with ultra-fine FEP powder and talc powder, wherein the mass ratio of FEP is 82%, and the ultra-fine FEP powder is a powder with a particle size of 8 μm;

[0036] (...

Embodiment 2

[0044] The anticorrosion process of a kind of anticorrosion tank described in this embodiment comprises the following steps:

[0045] (1) Derust and sandblast the inside of the anticorrosion tank 1, each branch 2, and the surface of the flange 3. After sandblasting, the surface cleanliness reaches Sa3 level, and the roughness is 80 μm. The flange 3 is a plate type flat welding flange. The flange surface is provided with a protruding surface 13, and a circular groove 14 is provided on the protruding surface;

[0046] (2) The corners of each branch of the anticorrosion tank 1 are polished into an arc 6, and a set of cross-shaped grooves 4 are arranged inside the tank body, and the grooves 4 are semicircular grooves;

[0047] (3) Prepare anti-corrosion raw materials, the anti-corrosion raw materials are mixed with ultrafine FEP powder and talc powder, wherein the mass ratio of FEP is 86%, and the ultrafine FEP powder is a powder with a particle size of 5 μm;

[0048] (4) One branc...

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Abstract

The invention discloses a corrosion resistance process for an anti-corrosion tank. Superfine FEP powder with excellent anti-corrosion performance is selected as a raw material, and FEP is formed by copolymerizing tetrafluoroethylene and hexafluoropropylene and is resistant to inflaming and fire, resistant to chemicals and corrosion, high in electricity, excellent in liquidity, low in friction and excellent in heat resistance, cold resistance and weather resistance; a small amount of talcum powder is added, through high-temperature baking, the stability, tension strength, shear strength and bending strength of an anti-corrosion layer are enhanced, deformation is lowered, grains are uniform and high in dispersity, and the anti-corrosion effect is good; before machining, the inner wall of the anti-corrosion tank is subjected to abrasive blasting, the molten anti-corrosion layer and the inner wall of the anti-corrosion tank will be attached tightly, a tank body is internally provided with at least one set of cross-shaped grooves, the anti-corrosion layer is embedded into the grooves, the anti-corrosion layer and the inner wall of the anti-corrosion tank are attached more tightly and will not disengage or separate within 5 years, and the quality of the anti-corrosion tank is improved. According to the corrosion resistance process, the preparation method is scientific and practical, the cost is low, the floor space is small, and the anti-corrosion layer is high in adhesive force, long in service life and worthy of popularization.

Description

technical field [0001] The invention belongs to the field of petroleum processing equipment, and in particular relates to an anticorrosion process for an anticorrosion tank. Background technique [0002] Anti-corrosion storage tanks are essential and important basic equipment for industries such as petroleum, chemical industry, grain and oil, food, fire protection, transportation, metallurgy, and national defense. They are used to store refined chemicals such as acids, alcohols, and gases, and are used to store liquid or The steel airtight container of the gas is the steel storage tank, and the steel storage tank is a special equipment for storing various liquid (or gas) raw materials and finished products. To solve the corrosion problem of storage tanks, there are only two traditional methods. One is to make stainless steel, but its disadvantage is high cost; The investment is large, the floor area is large, and it is easy to fall off. It needs to be replaced after three y...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D90/02C09D127/20C09D5/18C09D5/08C09D7/61
CPCB65D90/02C08K3/34C09D5/08C09D5/18C09D7/61C09D127/20
Inventor 夏慧
Owner 徐州势甲信息科技有限公司
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