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Heat-preservation durable gas pipeline and preparation technology thereof

A kind of gas pipeline, durable technology, applied in the direction of protection of pipeline through thermal insulation, thermal insulation, pipeline protection, etc., can solve the problems of poor thermal insulation effect, short service life, etc., to improve transportation efficiency, prolong service life, superior antibacterial and antibacterial sexual effect

Pending Publication Date: 2018-11-06
新兴中燃城市燃气发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above existing problems, the present invention provides a heat-insulating and durable gas pipeline and its preparation process, which are used to solve the technical problem of the existing gas pipeline in the background technology that has a short service life and poor heat-insulating effect

Method used

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  • Heat-preservation durable gas pipeline and preparation technology thereof
  • Heat-preservation durable gas pipeline and preparation technology thereof
  • Heat-preservation durable gas pipeline and preparation technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as Figure 1-2 As shown, a heat-insulating and durable gas pipeline includes a gas pipeline body 1, an outer sleeve 5 and an annular connecting piece 6; the gas pipeline body 1 sequentially includes an inner tube blank 2 and an insulation interlayer 3 And the outer tube blank 4; wherein, the outer wall of the outer tube blank 4 is sprayed with an anti-corrosion coating, the inner wall of the inner tube blank 2 is sprayed with a waterproof coating, and the inner tube blank 2 and the outer layer A thermal insulation interlayer 3 is embedded between the tube blanks 4, and the inner tube blank 2 and the outer tube blank 4 are connected by annular connecting pieces 6 welded at the left and right ends of the two; the outer sleeve 5 It is sleeved and fixed on the outer tube blank 4 .

[0031] Specifically, the anticorrosion coating used in the anticorrosion coating consists of the following components in terms of weight ratio: 45 parts of chlorosulfonated polyethylene em...

Embodiment 2

[0042] Preferably, the anticorrosion coating used in the anticorrosion coating consists of the following components in terms of weight ratio: 40 parts of chlorosulfonated polyethylene emulsion, 3.5 parts of tributyl phosphate, 4.8 parts of nano barium sulfate, 5.6 parts of titanium dioxide, 12 parts of epoxy resin, 10 parts of xylene, 2.3 parts of cetearyl glucoside, 2.5 parts of zinc naphthenate, 3.2 parts of methyl methacrylate, and 1.5 parts of curing agent; the preparation method of the anticorrosive coating is: Add the above-mentioned raw materials into the reaction kettle, and mix them by ultrasonic stirring for 40 minutes to obtain the finished anti-corrosion coating.

[0043] Preferably, the thermal insulation interlayer 3 is composed of the following components in terms of weight ratio: the annular insulation board used in the thermal insulation interlayer 3 is composed of the following components in terms of weight ratio: 35 parts of Portland cement, vinyl acetate-eth...

Embodiment 3

[0047] Preferably, the anticorrosion coating used in the anticorrosion coating consists of the following components in terms of weight ratio: 50 parts of chlorosulfonated polyethylene emulsion, 3.9 parts of tributyl phosphate, 5.6 parts of nano barium sulfate, 6.5 parts of titanium dioxide, 16 parts of epoxy resin, 13 parts of xylene, 3.8 parts of cetearyl glucoside, 2.7 parts of zinc naphthenate, 5.3 parts of methyl methacrylate, and 1.8 parts of curing agent; the preparation method of the anticorrosive coating is: Add the above-mentioned raw materials into the reaction kettle, and mix them by ultrasonic stirring for 45 minutes to obtain the finished anti-corrosion coating.

[0048] Preferably, the thermal insulation interlayer 3 is composed of the following components in terms of weight ratio: the annular insulation board used in the thermal insulation interlayer 3 is composed of the following components in terms of weight ratio: 38 parts of Portland cement, vinyl acetate-eth...

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Abstract

The invention relates to the technical field of pipeline production, in particular to a heat-preservation durable gas pipeline and a preparation technology thereof. The heat-preservation durable gas pipeline comprises a gas pipeline body, an outer layer sleeve and annular connecting pieces. The gas pipeline body sequentially comprises an inner layer pipe blank, a heat-preservation interlayer and an outer layer pipe blank from inside to outside. An anti-corrosion coating is sprayed on the outer wall of the outer layer pipe blank. A water-proof coating is sprayed on the inner wall of the inner layer pipe blank. The heat-preservation interlayer is embedded between the inner layer pipe blank and the outer layer pipe blank. The inner layer pipe blank and the outer layer pipe blank are connectedthrough the annular connecting pieces welded to the left ends and the right ends of the inner layer pipe blank and the outer layer pipe blank. The outer layer sleeve is fixed to the outer layer pipeblank in a sleeving mode. According to the heat-preservation durable gas pipeline and the preparation technology thereof, the heat-preservation property of the gas delivery pipeline can be improved significantly through the heat-preservation interlayer, and the gas delivery efficiency is improved; and the prepared pipeline has the high acidic medium etching resisting capability by using quartz powder and nano-zinc oxide in the outer layer sleeve, and accordingly the service life of the gas pipeline is prolonged.

Description

technical field [0001] The invention relates to the technical field of pipeline production, in particular to a heat-insulating and durable gas pipeline and a preparation process thereof. Background technique [0002] Industry has always been known as the leading industry of the national economy. China's industry is mainly based on basic industrial sectors. Including energy industry, iron and steel industry, machinery industry, etc. It mainly includes three sectors: coal, oil and gas, and electric power. Since the development and production conditions, production process and transportation conditions of the three are different, the production layout has its own characteristics. The quantity, quality, variety, development conditions and distribution of coal resources determine its development scale and growth benefits, and restrict the possibility of coal industry development and its regional and national status. Whether a coal field can be developed or prioritized, in add...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/14F16L58/10F16L59/02C09D4/02C09D4/06C09D5/08C09D7/61C09D7/63C09D133/04C09D7/65C08L27/06C08L69/00C08L55/02C08K13/02C08K3/36C08K3/26C08K3/22
CPCF16L9/14F16L58/1027F16L58/1072F16L58/1081F16L59/028C09D7/63C09D7/65C09D133/04C08L27/06C09D4/06C09D5/08C09D7/61C08K2003/265C08K2003/2296C08K2003/2241C08K2201/011C08L2205/035C08L2205/025C08L2203/18C08L29/04C08K13/02C08K3/26C08K3/34C08K5/053C08L69/00C08L55/02C08K3/36C08K3/22
Inventor 黎自宁王立华
Owner 新兴中燃城市燃气发展有限公司
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