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Electrode support arm system

An electrode and supporting device technology, applied in the field of electric arc furnaces and boilers, can solve problems such as damage to insulating materials and arcing

Inactive Publication Date: 2013-01-09
SMS GRP GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, the surrounding insulation can be damaged by the heat, which can then lead to arcing

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0024] In the present case, three electrode supports 1 are provided, which essentially consist of welded hollow profiles.

[0025] A guide post 3 is assigned to each electrode arm, the respective electrode arm being detachably connected to its head region. An example for this connection is at image 3 , wherein, here, the separating plate 6 arranged between the guide post head and the electrode support arm is shown. The real detachable connection is produced by the screw 7 made of antimagnetic material.

[0026] exist figure 2 The front region of the electrode support arm 1 with the electrode support 2 (ie the electrode support arm head 13 ) is reproduced in detail in .

[0027] The holder 2 surrounds the electrodes (not shown here) over a large part of its circumference and presses them against the contact clips 5 .

[0028] as from figure 2 It can be seen in the cross section that the support 2 surrounding the electrode is in operative connection via the arm 11 with t...

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PUM

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Abstract

The invention relates to an electrode support arm system for metallurgical furnaces, having an electrode support arm (1) having an electrode support arm head (13) implemented as an electrode support device at the front part thereof, designed as a hollow profile having a wall formed at least partially of conductive material having high conductivity, through which a coolant can be guided. According to the invention, flow guide plates and / or displacers are disposed within the electrode support arm (1) implemented as a hollow profile and within the electrode support device implemented on the electrode support arm head (13), by which the coolant flow can be channelized and affected with respect to flow speed, such that optimal flow speeds of the coolant are present at all locations within the electrode support arm (1) and the electrode support arm head (13), wherein highly thermally loaded regions, such as the contact surfaces on the electrode support arm head (13), can be more intensively cooled than other, less intensely thermally loaded regions of the electrode support arm (1).

Description

technical field [0001] The invention relates to an electrode support arm system for mounting graphite electrodes, preferably for electric arc furnaces and boilers. Background technique [0002] The electrical energy required for the melting process is delivered via the electrode arm. Vertical movement is achieved using a hydraulic or electromechanical lifting system to which the electrode arm is fixed. The reversible clamping device makes it possible to unclamp the graphite electrode, which is thus adjusted to burnout. [0003] The known electrode supports are completely water-flowed for the dissipation of heat, the cooling potential of the cooling medium not being fully utilized here. [0004] From EP 0 594 272 an electrode carrier is known which is cooled via cooling channels which are located in a hollow profile. This system cannot be implemented in practice due to the high manufacturing costs and possibly complex repair work. [0005] Due to their relatively large de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B7/101H05B7/12
CPCH05B7/101H05B7/12H05B7/10
Inventor R.贝斯特P.施塔克A.许林
Owner SMS GRP GMBH
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