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Pipeline and producing process thereof

A manufacturing process and pipeline technology, applied in the field of underground pipelines and its manufacturing, can solve the problems of heavy weight, high price, metal shavings polluting oil, etc., and achieve the effect of good flexibility and low permeability

Active Publication Date: 2014-07-09
上海日高科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is: the transportation and delivery pipelines of gasoline and diesel oil and the underground pipelines of gas stations have always been mainly made of metal, which is heavy and expensive, and metal shavings will pollute the oil from time to time.

Method used

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  • Pipeline and producing process thereof
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Embodiment Construction

[0020] The invention is applied in the underground pipeline of the gas station, and is an improvement on the basis of actual application of the existing underground pipeline of the gas station and its manufacturing method, and has very important practical significance.

[0021] Most gas stations in western countries use glass fiber reinforced composite or multilayer plastic pipes. Metal pipes have been basically replaced, and underground pipes have been regulated by some standards in Europe and America, such as L971 certified by Underwriters Lab (Northbrook, 1L) in the United States, and EN14125 or KIWA in Europe. These standards both increase the safety of pipeline operations and encourage the use of more environmentally friendly technologies. Today, the market for biodiesel and ethanol gasoline is expanding rapidly in the United States. Therefore, the new standard seeks to ensure, to the greatest extent possible, that future pipeline designs are compatible with new oil prod...

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Abstract

The invention relates to a pipeline. The pipeline comprises an inner layer, middle layer gum and an outer layer, wherein the inner layer is mainly made of polyvinylidene chloride and has a high-barrier performance, the middle layer gum is used for connecting the inner layer and the outer layer and is mainly made of anhydride grafted polyethylene and the outer layer is mainly made of modified polyethylene and is anti-aging, antistatic, high in pressure consistence and crack resistant. Compared with the prior art, the pipeline has the advantages that the petroleum product is low in permeability, the structure is controllable, the leakage can be detected conveniently, and the stability of dimensions is high. The pipeline has service life of more than 30 years and has good flexibility.

Description

technical field [0001] The invention relates to a pipeline and a manufacturing process thereof, in particular to an underground pipeline applied to a gas station and a manufacturing method thereof. Background technique [0002] Since the transportation and delivery pipelines of gasoline and diesel oil have always been mainly made of metal, the main reason is to consider its metal strength and penetration ability. Of course, there are still a small number of plastic pipes and metal composite pipes abroad. However, due to the price of metal pipes Expensive, heavy, and inconvenient laying and transportation, and even metal shavings entering the oil and causing oil pollution; and a small number of plastic pipes and metal composite pipes are often unable to meet the strength and connectability Therefore, the industry is actively seeking a more suitable substitute. [0003] Due to the characteristics of gasoline and diesel oil, namely: volatile, flammable, explosive, strong penet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L9/12C08L27/08C08L27/16C08K5/17C08K5/24C09J151/06C08L23/06C08K3/04B29C47/06B29L23/00
Inventor 叶丰慧叶进平
Owner 上海日高科技集团有限公司