Metal hose for gas filling of liquefied natural gas
A technology of liquefied natural gas and metal hose is applied in the field of liquefied natural gas refueling equipment to achieve the effects of reducing use risk, low thermal conductivity, and safe refueling operation process
Inactive Publication Date: 2010-06-30
CSSC SHENGHUI EQUIP
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a metal hose for liquefied natural gas refueling that is not easy to frost on the outside and does not increase in hardness.
Method used
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[0009] The structure of the metal hose for liquefied natural gas refueling of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0010] Such as figure 1 , figure 2 As shown, the metal hose for liquefied natural gas filling includes a stainless steel bellows 1 at the center, a polyethylene insulation material 2 wrapped outside the stainless steel bellows 1, and a stainless steel mesh sleeve 3 wrapped outside the polyethylene insulation material 2.
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The invention discloses a metal hose for gas filling of liquefied natural gas, comprising a stainless steel corrugated tube positioned in the center, a polyethylene insulation material packed at the outer part of the stainless steel corrugated tube and a stainless steel mesh cover packed at the outer part of the polyethylene insulation material. The metal hose can be used for a gas filling device of liquefied natural gas.
Description
technical field [0001] The invention belongs to the field of liquefied natural gas filling equipment, in particular to a metal hose connecting a liquefied natural gas storage tank and a filling gun. Background technique [0002] As a flexible pressure-resistant pipe fitting, the metal hose has the advantages of low temperature resistance, good flexibility, light weight, and corrosion resistance. It is suitable for transportation from the gas dispenser to the gas gun in the LNG filling station system. The traditional metal hose consists of a stainless steel bellows in the center and a stainless steel net sleeve covering the outside of the stainless steel bellows. However, when transporting liquefied natural gas for a long time, due to the low temperature of the liquefied natural gas, it is easy to cause severe frosting on the metal hose, resulting in The loss of liquefied natural gas and the increase in the hardness of the liquefied natural gas filling metal hose lead to clum...
Claims
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IPC IPC(8): F16L11/115F16L59/14
Inventor 叶勇宋悦清陈昭宇张连伟
Owner CSSC SHENGHUI EQUIP
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