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Multiply secured coupling device for oxygen lance

An oxygen burner, multiple technologies, applied in the direction of sealing surface connection, manufacturing converters, passing components, etc., can solve problems such as danger

Active Publication Date: 2013-12-04
BEDA OXYGENTECHNIK ARMATUREN GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned dangers still exist when not paying attention

Method used

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  • Multiply secured coupling device for oxygen lance
  • Multiply secured coupling device for oxygen lance
  • Multiply secured coupling device for oxygen lance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] figure 1 Only the visible partial area of ​​the actual oxygen torch 1 is shown in the figure. The oxygen torch 1 or a corresponding tube is inserted into the torch holder 2 and effectively fixed there. On the opposite side of the burner support 2, a safety tube 3 is connected to the connecting portion 18 of the burner support 2. This takes place via the coupling device 4 , which is formed by the plug part 8 of the safety tube 3 and the union nut 9 . The lock nut 9 is screwed onto the connection part 18 of the burner holder 2 . On the opposite side of the safety tube 3 is provided the same coupling device 5 with which the safety tube 3 is connected to the burner hose 6 .

[0027] Both the plug part 8 of the coupling device 4 , as well as the connection part 18 and finally the union nut 9 have additional safety elements 10 , 11 , so that overall a lengthened safety lever 40 is realized. The safety bar 40 has an annular surface 39 which actually forms a first sealing z...

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PUM

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Abstract

A multiple secured coupling device for oxygen lances 1 is achieved in that both the male connector 8 of the safety pipe 3, the connection part 18 of the lance holder 2 and also the cap nut 9 have an extending safety piece 10, 11. In this way, the male connector 8 can be inserted very far into the female part 19 or the connection part 18 and then located in position using the cap nut 9. A total of five sealing zones are created that in particular effectively prevent the escape of highly flammable gases, in particular oxygen.

Description

technical field [0001] The invention relates to a multi-safety coupling for oxygen lances and other tubes which conduct easily ignitable gases, by means of which the medium is sprayed, for example, into molten steel, wherein the oxygen lance or the tube passes through a valve in particular It is in the form of a burner bracket and is connected to the burner hose leading to the supplier through a safety tube and a coupling device connected in the middle, or it can also be directly connected to the burner hose. Background technique [0002] A burner tube support or an oxygen burner with a burner support is known, for example, from EP 0 372 099 B1. However, there is only one thread at the oxygen inlet of the burner holder, onto which thread a safety tube, not shown here, is screwed. Such safety tubes or safety sections, mostly made of stainless steel, facilitate the manual handling of the burner holder and are mainly used to increase work safety, since they enable a smooth con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C5/46
CPCC21C5/462F16L19/02F16L19/025C21C5/46
Inventor R.拜耶
Owner BEDA OXYGENTECHNIK ARMATUREN GMBH