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Oxygen lance modified from accident cutting handle

A technology for oxygen-burning lances and accidents, which is applied to blast furnace parts, gas flame welding equipment, blast furnaces, etc. It can solve the problems of oxygen-burning lances that are prone to backfire and hurt people, so as to facilitate accident handling, avoid backfire accidents, cost-saving effect

Inactive Publication Date: 2012-02-08
HEILONGJIANG JIANLONG IRON & STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing continuous casting oxygen gun used for burnt eyes is prone to backfire, resulting in injury

Method used

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  • Oxygen lance modified from accident cutting handle
  • Oxygen lance modified from accident cutting handle

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specific Embodiment approach 1

[0009] Specific embodiment one: below in conjunction with Fig. 1, present embodiment is described, and embodiment accident cutting handle changes burning oxygen gun, and it comprises burning oxygen pipe 1, seamless pipe 2, switch button 3, cutting handle 4, the rear end of cutting handle 4 It has a gas interface 4-1 and a sealed high-pressure oxygen interface 4-2, and the front end has a mixed gas interface 4-3;

[0010] The cutting handle 4 is arranged in parallel with the seamless pipe 2, and the inner wire is opened on the rear cylindrical wall of the seamless pipe 2, and is connected with the mixed gas interface 4-3 of the cutting handle 4;

[0011] The rear end of the seamless pipe 2 is provided with a switch button 3, and the front end of the seamless pipe 2 is connected with the oxygen burning pipe 1.

[0012] The oxygen burning tube 1 is made of copper.

[0013] The quarter seamless pipe of the seamless pipe 2, the length of the seamless pipe 2 is 15cm.

[0014] Duri...

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Abstract

The invention discloses an oxygen lance modified from an accident cutting handle, belonging to the field of machinery, and aiming at solving the problem that conventional oxygen lances used for punching holes in continuous casting are easy to have the accident of tempering which causes injuries to operators,. The oxygen lance comprises an oxygen burning pipe, a seamless pipe, a switch button and a cutting handle. A fuel gas port and a sealed high-pressure oxygen port are arranged on the rear end of the cutting handle and a mixed gas port is arranged on the front end of the cutting handle. The cutting handle is paralleled to the seamless pipe, and female threads connected with the mixed gas port of the cutting handle are arranged on the wall of a cylinder at the rear part of the seamless pipe. The switch button is arranged on the rear end of the seamless pipe and the front end of the seamless pipe is connected with the oxygen burning pipe. The invention modifies the waste accident cutting handle to be an oxygen lance used for punching holes in continuous casting and the oxygen lance effectively avoids the accident of tempering. The oxygen lance is convenient to be used for handling accidents, ensures the safety of the operators and is convenient to use. The invention makes use of waste equipment to make new devices and makes reuse of the residual value of wastes, thus saving costs for enterprises.

Description

technical field [0001] The invention relates to an accidental cutting handle to burn an oxygen lance, and belongs to the field of machinery. Background technique [0002] Oxygen lances are often used in the continuous casting or production process. The existing continuous casting oxygen lances for eye burning use a rubber tube connected to a thin oxygen tube. In the event of a flow accident, the oxygen burner is prone to backfire, resulting in injury. Contents of the invention [0003] The purpose of the present invention is to solve the problem that the existing oxygen burner used for continuous casting is prone to backfire, resulting in injury. Provided is an accident cutting handle to burn an oxygen gun. [0004] The accidental cutting handle of the present invention is changed into an oxygen gun, which includes an oxygen burning tube, a seamless pipe, a switch button, and a cutting handle. The rear end of the cutting handle has a gas interface and a sealed high-press...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K7/00C21B7/12
Inventor 王志国
Owner HEILONGJIANG JIANLONG IRON & STEEL
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