Dry backflash arrestor

A dry tempering and preventer technology, which is applied in the direction of burners, gas fuel burners, combustion methods, etc., can solve the problems of short service life, easy tempering, poor stability, etc., and achieve beautiful appearance and firm structure Reasonable, safe and reliable effect

Inactive Publication Date: 2013-04-17
YANGZHOU HONGCHENG METALLURGICAL EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the operation of similar processes such as welding and cutting, the problem of flashback is prone to occur in the process of gas welding and gas cutting. The flashback preventer mainly prevents the flame from entering the gas cylinder or pipeline, causing explosion, and plays a role of safety protection. However, the existing Most of the flashback preventers have the problems of complex structure, poor stability and short service life.

Method used

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  • Dry backflash arrestor

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Embodiment Construction

[0011] A dry flashback preventer, the device includes a front cover 1, a front gland 3, a rubber seal assembly, a rear gland assembly, a rear end cover 14 and a copper pipe 7, and the front end cover 1 and the rear end cover 14 are connected to The two ends of the copper pipe 7, the rear part of the rear end cover 14 is fixedly connected to a threaded connection pipe 15 with a nut 16, the copper pipe 7 is provided with a front gland 3, a rubber seal assembly and a rear gland assembly, The rubber seal assembly is arranged in the rear end hole of the front gland 3, the rear gland assembly is arranged at the front of the rear end cover 14, and one end of the spring 11 on the rear gland assembly is sleeved on the rubber seal assembly On the joint cap 10, a powder metallurgy porcelain sleeve 12 is provided between the rear gland assembly and the front gland 3, and the rear gland assembly includes a rear gland 13, a gasket one 17, an adjustment pad one 18 and The spring 11, the wash...

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Abstract

The invention relates to a dry backflash arrestor which comprises a front end cover, a front gland, a rubber seal component, a rear gland component, a rear end cover and a copper pipe. The front end cover and the rear end cover are connected at two ends of the copper pipe. A thread connecting pipe with a nut is fixedly connected to the rear portion of the rear end cover. The front gland, the rubber seal component and the rear gland component are disposed in the copper pipe. The rubber seal component is disposed in a rear end hole of the front gland. The rear gland component is disposed on the front portion of the rear end cover. One end of a spring on the rear gland component is sleeved on a nut on the rubber seal component. A powder metallurgy porcelain bushing is disposed between the rear gland component and the front gland. The dry backflash arrestor is firm and reasonable in structure, safe and reliable in operation, lightweight, attractive in appearance and the like.

Description

technical field [0001] The invention relates to a welding and cutting backfire preventer, in particular to a dry backfire preventer. Background technique [0002] At present, in the operation of similar processes such as welding and cutting, the problem of flashback is prone to occur in the process of gas welding and gas cutting. The flashback preventer mainly prevents the flame from entering the gas cylinder or pipeline, causing explosion, and plays a role of safety protection. However, the existing Most of the current flashback preventers have the problems of complex structure, poor stability and short service life. Contents of the invention [0003] In order to solve the above problems, the present invention provides a dry flashback preventer with simple structure, safe use, good heat dissipation effect and fast flame extinguishment. [0004] The technical scheme of the present invention is: the device includes a front cover, a front gland, a rubber seal assembly, a re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/82
Inventor 王军周红梅蒋丽萍
Owner YANGZHOU HONGCHENG METALLURGICAL EQUIP
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