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Composite pressure container

A composite material and pressure vessel technology, which is applied in the field of pressure vessels, can solve the problems of no prestressed winding, etc., and achieve the effects of small welding deformation, weight reduction, and stress concentration reduction

Inactive Publication Date: 2004-08-25
ZHEJIANG UNIV
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Problems solved by technology

[0002] Composite material pressure vessels mainly have the following patents in China: 00137586.5 "Fiber Wound Composite Rubber Lined Annular Pressure Vessel" invented by Jiang Guangxiang and Fei Chundong of the Harbin FRP Research Institute of the National Building Materials Industry Bureau; 01807147.3 "Fiber Reinforced Pressure Vessel and Its Manufacturing Method" applied by Andy De Becker; Qu Yongqiang, Zhang Kangzhu, Jiang Qinrong, etc. applied for "Using Compression Natural gas all-composite material gas cylinder and its manufacturing method", these invention patents all propose to use composite materials and inner denier winding to manufacture pressure vessels, but there is no prestressed winding, safety monitoring, and the characteristics of "only leaking but not exploding"

Method used

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Embodiment Construction

[0013] As shown in the accompanying drawings, the left half of the figure is cut on the composite material layer 2, and the lower left part shows a schematic diagram of the composite material layer 2 being formed by the oblique composite material winding tape 6; the right half is a cross-sectional view. In the present invention, it is an inner container 1 made of a high-strength aluminum alloy thin-wall inner lining or a plastic thin-wall inner lining, and a prestressed inclination angle is used to wind a high-strength fiber-impregnated epoxy resin-based composite material winding tape 6 outside the inner container 1. The outer surface of the material layer 2 and the composite material layer 2 is provided with a vertically and horizontally connected small groove 4, which is covered with an airtight outer protective layer 5, and the leak-picking holes on the airtight outer protective layer 5 are connected vertically and horizontally with the small grooves on the outer surface of ...

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Abstract

The present invention discloses a composite material pressure container for holding liquefied gas, natural gas, liquid hydrogen and liquid oxygen etc. Said container includes internal container made up by high-strength alluminium alloy thin-wall inner liner or plastic thin-wall inner liner, its exterior is covered with a layer of composite material winding band layer which is made up by impregnating prestressed incidence-winded high-strength fibre with epoxy resin base composite material, and on the outer surface of the above-mentioned composite material layer several criss-cross communicated small grooves are cut, and its exterior is covered with closed external protecting layer with leakage-detecting holes which are communicated with above-mentioned small grooves and equipped with sensors mounted on these leakage-detecting holes.

Description

Technical field [0001] The invention relates to a pressure vessel, in particular to a composite material pressure vessel. Background technique [0002] Composite material pressure vessels mainly have the following patents in China: 00137586.5 "Fiber Wound Composite Rubber Lined Annular Pressure Vessel" invented by Jiang Guangxiang and Fei Chundong of the Harbin FRP Research Institute of the National Building Materials Industry Bureau; 01807147.3 "Fiber Reinforced Pressure Vessel and Its Manufacturing Method" applied by Andy De Becker; Qu Yongqiang, Zhang Kangzhu, Jiang Qinrong, etc. applied for "Using Compression Natural gas all-composite material cylinder and its manufacturing method", these invention patents all propose to use composite materials and inner denier winding to manufacture pressure vessels, but they do not have the characteristics of prestressed winding, safety monitoring and "only leaking but not exploding". Contents of the invention [0003] The purpose o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C1/06
CPCY02E60/321Y02E60/32
Inventor 郑传祥曹堃刘洁
Owner ZHEJIANG UNIV
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