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Composite pressure vessel and application thereof in extinguisher

A technology for pressure vessels and composite materials, applied in the field of pressure vessels, can solve the problems of reduced sealing performance, cracking at the lap joint, etc., and achieve the effects of good sealing performance, durable bonding effect and better bonding effect.

Inactive Publication Date: 2011-07-20
XIAN SUNWARD AEROSPACE MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a composite material pressure vessel and a fire extinguisher using the composite material pressure vessel in view of the deficiencies in the above-mentioned prior art, which have simple structure, high strength, good sealing performance, convenient processing and production Long-term reliable operation can effectively solve the hidden problems of sealing performance degradation and lap joint cracking during use

Method used

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  • Composite pressure vessel and application thereof in extinguisher
  • Composite pressure vessel and application thereof in extinguisher
  • Composite pressure vessel and application thereof in extinguisher

Examples

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no. 1 example

[0029] Such as figure 2 As shown, the pressure vessel of the present invention includes a base 5 for fixing the bottom, an inner tank 3, an interface 1 at the neck of the top of the inner tank 3, and a glass fiber winding layer wrapped outside the inner tank 3 and protecting the inner tank 3 4. The reinforcement ring 2 set outside the interface 1, the connection method between the liner 3 and the glass fiber winding layer 4 is bonding, and the bonding material is a mixed glue composed of epoxy resin and phenolic resin, of which epoxy resin and phenolic resin The ratio of the resin is 2.5:1, the material of the liner is polyethylene, and the material of the interface is reinforced polypropylene. The liner and the interface are connected as a whole by thermal fusion. Reinforcement ring 2 is made of aluminum, and is connected with interface 1 through transition fit or interference fit and coated with epoxy resin and phenolic resin. The strength of the reinforcement ring is suff...

no. 2 example

[0031] The only difference from the first embodiment is that the material of the liner is polypropylene, the material of the interface is reinforced polyethylene, and the ratio of epoxy resin to phenolic resin is 3.5:1.

no. 3 example

[0033] The only difference from the first embodiment is that the material of the liner is ABS, the material of the interface is reinforced ABS, and the ratio of epoxy resin and phenolic resin is 3:1.

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Abstract

The invention discloses a composite pressure vessel and application thereof in an extinguisher. The composite pressure vessel comprises an inner container, a connector, a reinforcing ring and a glass fiber winding layer, wherein the connector is arranged on the top of the inner container, the reinforcing ring is arranged at the outer side of the connector, connected with the connector into a whole and plays a role in supporting the connector, the glass fiber winding layer is wrapped outside the inner container and protects the inner container, and the inner container and the glass fiber winding layer are glued by mixed glue consisting of epoxy resin and phenolic resin. As both the inner container and the connector are made of plastic materials, the stress concentration problem does not exist. In addition, the inner container and the connector are connected in a hot melting manner, so that the seal property is good; the reinforcing ring performs a reinforcing function on the connector and can ensure that the connector cannot crack under the high work pressure of the pressure vessel. The composite pressure vessel has a simple structure, is convenient for machining and manufacturing, can reliably work for a long time, can effectively solve the hidden problem caused by concentrated stress resulting from the different materials of the inner container and the connector and can effectively solve the insuperable problem of seal property deterioration resulting from the different materials. The composite pressure vessel has strong corrosion resistance, high pressure resistance and light weight and is particularly suitable for extinguishers.

Description

technical field [0001] The invention relates to a pressure vessel, in particular to a composite material pressure vessel for a fire extinguisher working under a certain pressure. Background technique [0002] There are many types of fire extinguishers. According to the power source of the fire extinguishing agent, it can be divided into: gas storage cylinder type, pressure storage type, chemical reaction type; according to the fire extinguishing agent filled, it can be divided into: dry powder, water system, gas, etc. [0003] Dry powder fire extinguishing agents mainly include sodium bicarbonate and ammonium phosphate salts, which are more harmful to the environment. Water-based fire extinguishing agents mainly include aqueous film-forming foam and solvent-resistant aqueous film-forming foam; gaseous fire extinguishing agents mainly include carbon dioxide, heptafluoropropane, trifluoromethane and inert gases. The latter two fire extinguishing agents do not contain substanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J12/00A62C35/02
CPCF17C2205/0305
Inventor 谷宏治牛国良张娴王艳玲
Owner XIAN SUNWARD AEROSPACE MATERIAL CO LTD
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