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Lance holder with multiple tolerance chuck head

A jet tube and chuck technology, which is applied in the field of jet tube brackets, can solve problems such as industrial accidents and insufficient protection of liquid steel.

Inactive Publication Date: 2009-12-16
BEDA OXYGENTECHNIK ARMATUREN GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even if the operator is appropriately protected with overalls and safety helmets, unfortunately, this is not sufficient protection for liquid steel, so that repeated accidents at work are always possible

Method used

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  • Lance holder with multiple tolerance chuck head
  • Lance holder with multiple tolerance chuck head
  • Lance holder with multiple tolerance chuck head

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] figure 1 It is a side view of the jet pipe holder 1. The jet tube 2 is inserted into the clamping sleeve 25 from the front. The clamping sleeve 25 or the collet 3 includes a fixing part 4 and a clamping part 5 not shown here. The fixing part 4 cooperates with the clamping part 5 and the sealing sleeve 6, and they are arranged together in the chuck 3 formed as a protective housing 9. Install necessary valves in the next fuse housing 10, which will be discussed in depth later. Tighten the rotary valve 11 on the safety housing 10, and the rotary valve bears the manufacturer's information 40.

[0025] figure 1 The jet pipe holder 1 shown in figure 2 The middle is represented by the section. It can be seen here that the jet tube 2 is inserted deeply into the jet tube holder 1 through the chuck 3. The above-mentioned sealing sleeve 6 is pressed tightly on the wall 18 of the jet pipe 2 with the wedge-shaped connecting portion 22, so as to perform a complete seal. This wedge-s...

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PUM

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Abstract

A lance holder for lance tubes (2) used in the iron and steel industry with a clamping head (3), which has a fixing part (4) and a clamping part (5) and to which a sealing sleeve (6) interlocking the inserted lance tube (2) and thus sealing it is allocated, characterized in that the fixing part (4) comprising the inserted lance tube (2) is provided with a leading bevel (14), in which pressure elements (16) distributed around the circumference are guided which can be displaced at right angles to the longitudinal axis (15) of the lance tube (2) and by means of which fixing part a clamping part (5) having a pressure bevel (17) corresponding to the leading bevel (14) is arranged and formed in an influenceable manner.

Description

Technical field [0001] The invention relates to a jet pipe support for jet pipes with chucks used in the metallurgical and iron and steel industries. It has a fixing part and a clamping part, the latter is equipped with a sealing sleeve, and the sealing sleeve is supported by the fixing part. Clamp the inserted jet tube to seal it. Background technique [0002] The jet pipe holder with chuck and anti-residue backflow device (Schlackenruecklaufsicherung) or anti-backfire device is used to reliably support the jet pipe required for refining. The residue reaches the oxygen inlet. According to DE23 27 595C, a gas-permeable sintered metal sheet that prevents the backflow of residues is provided not far in front of the oxygen hose. This mechanical method of blocking the reflow of the residue is not always able to meet the requirements, especially when a large amount of oxygen must be used, because sintering the metal sheet will naturally cause difficulties. At this time, the valve devi...

Claims

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Application Information

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IPC IPC(8): C21C7/072C21C5/46F27D99/00
CPCC21C5/462
Inventor H·马曼R·拜尔
Owner BEDA OXYGENTECHNIK ARMATUREN GMBH
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