Bottom ring for combined type holder submerged-arc furnace

A technology of bottom ring and holder, which is applied in the field of bottom ring of submerged arc furnace with combined holder, which can solve the problems of secondary fire protection screen, water leakage of bottom ring threaded joint, poor insulation, etc., so as to improve the starting rate and avoid Personal accidents and the effect of reducing unit consumption

Active Publication Date: 2011-04-06
江苏德诚冶金电炉设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention is just to overcome the above-mentioned deficiencies, and solves the problem of poor insulation caused by pulverization of the insulation board due to high temperature, thereby causing the problems of the bottom ring, the protective screen secondary fire, and the bottom ring threaded joint leaking, and significantly improves the operating rate of the equipment

Method used

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  • Bottom ring for combined type holder submerged-arc furnace
  • Bottom ring for combined type holder submerged-arc furnace
  • Bottom ring for combined type holder submerged-arc furnace

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Example 1, the bottom ring for the submerged arc furnace of the combined holder, including the main body 1, the water channel 2 in the main body, the bottom ring water outlet pipe 3 and the water outlet pipe 4 that are welded and connected to the water channel 2, and the outer side of the bottom ring is in the shape of "concave" , the lower part of the "concave" groove is placed with a mica insulating plate 5, and a white corundum block 6 with a boss is placed on the bottom ring surface, and the boss of the white corundum block 6 is placed in the groove on the upper part of the mica insulating plate 5. The ring water outlet pipe 3 and the outlet water pipe 4 are welded structures.

Embodiment 2

[0010] Example 2, referring to Example 1, the bottom ring water outlet pipe 3 connected to the outlet water pipe 4 is tapered, that is, the bottom ring water outlet pipe 3 and the outlet water pipe 4 are plug-in welded structures.

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Abstract

The invention relates to a bottom ring for a combined type holder submerged-arc furnace, belonging to a component of a submerged-arc furnace. The bottom ring comprises a body, a water channel in the body, a bottom ring water outlet pipe welded and communicated with the water channel and a water leading-out pipe communicated with the bottom ring water outlet pipe, wherein the outer side of the bottom ring is in the shape of a letter U. Thus, the invention basically solves the problems of protecting screen quenching and leakage as a result of poor high-temperature insulation and powder insulation, avoids personal injury, improves the operating rate and lowers the unit consumption.

Description

technical field [0001] The invention belongs to submerged arc furnace parts, in particular to a bottom ring for a submerged arc furnace with a combined gripper. Background technique [0002] At present, the contact surface between the bottom ring and the protective screen of the existing combined holder submerged arc furnace in our country adopts plane insulation, and the connection between the outlet water pipe and the bottom ring is a threaded connection. The structure refers to figure 1 : The bottom ring includes a body, the body is provided with a water channel, and the outlet pipe of the bottom ring welded and connected with the water channel is threaded to lead out the water pipe. The disadvantages are: 1) The insulating board of the bottom ring is a mica board. Under long-term high-temperature working conditions, the mica board is easy to pulverize, and the mica insulating board often burns out on the bottom ring, causing the bottom ring and the screen to be damaged a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B7/12
Inventor 王勇李化海
Owner 江苏德诚冶金电炉设备有限公司
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