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Glass reinforced plastic device for coal chemical industry engineering and method for preparing the same

A technology for coal chemical industry and glass fiber reinforced plastic is applied in the field of production technology for preparing the above-mentioned glass fiber reinforced plastic container device, which can solve the problems of corrosion of the inner wall surface, poor mechanical strength and bending resistance of the wall and bottom of the electrolytic tank, and achieves the improvement of mechanical strength and strength. Corrosion resistance and longevity effect

Active Publication Date: 2009-03-18
JIZHOU ZHONGYI FRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the electrolytic cell of this structure solves the leakage problem caused by corrosion due to the sandwiched resin-rich non-woven felt layer, the surface layer of the cell wall and bottom of the electrolytic cell is still a glass fiber cloth layer coated with resin, Therefore, there are still corrosion problems on the inner wall surface, and the problems of poor mechanical strength and bending resistance of the formed electrolytic cell wall and bottom

Method used

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  • Glass reinforced plastic device for coal chemical industry engineering and method for preparing the same
  • Glass reinforced plastic device for coal chemical industry engineering and method for preparing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The first step: the preparation of the mold

[0037] Prepare tank (can) molds as required, and make the surface free of pits, dust, sundries and other attachments, and the surface of the mold should be smooth;

[0038] The second step: coating process

[0039] In order to facilitate demoulding and smooth the inner surface of the FRP device, first coat a layer of talcum powder or waxy release agent on the surface of the mold, and then coat a layer of polyester film on the surface of the mold, the overlapping width of the film is 1-2cm , the thickness is between 20 ~ 40um;

[0040] The third step: the spraying process of the inner anti-corrosion layer

[0041] The resin used to configure the inner anti-corrosion layer:

[0042]First get 100 parts by weight of SWANCOR901 type vinyl ester resin produced by Shangwei (Shanghai) Fine Chemical Co., Ltd., then add 1.2 parts by weight and 0.1% cobalt octanoate as catalyst;

[0043] Take 0.5 parts by weight and a concentration...

Embodiment 2

[0052] The preparation of the first step and the second step mold and the mold coating process are the same as in Example 1.

[0053] The third step: the spraying process of the inner anti-corrosion layer

[0054] The resin used to configure the inner anti-corrosion layer:

[0055] First get 100 parts by weight of SWANCOR901 type vinyl ester resin produced by Shangwei (Shanghai) Fine Chemical Co., Ltd., then add 1.5 parts by weight and 0.5% cobalt octanoate as catalyst;

[0056] Get 1.0 parts by weight, concentration of 60% methyl peroxide as curing agent and join in the above-mentioned vinyl ester resin by spray gun;

[0057] Stir the above-mentioned vinyl ester resin with catalyst and curing agent evenly, and spray it evenly on the mold coated with polyester film;

[0058] Evenly wind the glass fiber surface mat layer with a thickness of 0.1-0.5 cm on the sprayed inner anti-corrosion layer resin to form an inner surface mat layer with anti-leakage function;

[0059] The f...

Embodiment 3

[0065] The preparation of the first step and the second step mold and the mold coating process are the same as in Example 1.

[0066] The third step: the spraying process of the inner anti-corrosion layer

[0067] The resin used to configure the inner anti-corrosion layer:

[0068] First get 100 parts by weight of SWANCOR901 type vinyl ester resin produced by Shangwei (Shanghai) Fine Chemical Co., Ltd., then add 1.0 parts by weight and 0.3% cobalt octanoate as catalyst;

[0069] Get 3.0 parts by weight, concentration of 30% methyl peroxide as curing agent and join in the above-mentioned vinyl ester resin by spray gun;

[0070] Stir the above-mentioned vinyl ester resin with catalyst and curing agent evenly, and spray it evenly on the mold coated with polyester film;

[0071] Evenly wind the glass fiber surface mat layer with a thickness of 0.1-0.5 cm on the sprayed inner anti-corrosion layer resin to form an inner surface mat layer with anti-leakage function;

[0072] The f...

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Abstract

The invention belonging to the glass reinforced plastics container technical field particularly discloses a glass reinforced plastics device and the preparation method thereof. The technical proposal of the invention is that: the glass reinforced plastics device consists of an inner anticorrosive layer, an outer surface protective layer and a middle layer arranged between the anti-corrosive layer and the outer surface protective layer, wherein the inner anticorrosive layer is formed by adding curing agent into vinyl ester resin and forming a surface carper coat with ataple glass fiber; the middle layer consists of a glass fiber layer winded around the surface carper coat and soaked with resin and a disorder cut staple layer coated on the outer surface of the glass fiber layer and forming into an integrated structure with the glass fiber layer; in addition, the outer surface protective layer is a resin layer. The structure is formed through preparation of mould, mould coating process, preparation processes of the inner anticorrosive layer, the middle layer and the outer surface protective layer. The glass reinforced plastics device has the advantages of high mechanical strength, corrosion resistance and long service life, thereby possessing extensive application in ammonium sulfate and desulfurizing workshop sections in coal chemical engineering.

Description

technical field [0001] The invention belongs to the technical field of glass fiber reinforced plastic container devices used in coal chemical industry projects, and relates to a production process for preparing the aforementioned glass fiber reinforced plastic container devices. Background technique [0002] At present, in the coking industry of coal chemical engineering, the mother liquor storage tank (tank), full flow tank (tank), liquid seal tank (tank), mother liquor vent tank and other containers used in the ammonium sulfate section are all made of 316L stainless steel. And the storage tank (tank) of this stainless steel material can produce liquid leakage during use because intergranular corrosion phenomenon can occur near the weld seam; Major accident hazard. The reaction tank (tank), accident tank (tank), desulfurization liquid liquid sealing tank (tank) and desulfurization liquid underground emptying tank used in the desulfurization section adopts the structure of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D65/40B65D6/14B65D8/06B32B27/30B32B27/12B32B17/04B32B17/12B32B37/02B32B37/15B32B38/18B29D22/00B29K105/06
Inventor 丁智远常立民刘雪维兰丽琴李东勇杨久春刘永波
Owner JIZHOU ZHONGYI FRP
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