Automatic pressure relief system for furnace cover of submerged arc furnace

A submerged arc furnace and furnace cover technology, which is applied in the field of submerged arc furnaces, can solve the problems of poor protection effect and single function, and achieve the effects of good protection effect, safety guarantee and work efficiency improvement

Active Publication Date: 2019-07-09
JIANGSU DELONG NICKEL IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention proposes an automatic pressure relief system for the furnace cover of the submerged arc furnace, which solves the problem that the existing furnace cover pressure relief device has single function and poor protection effect

Method used

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  • Automatic pressure relief system for furnace cover of submerged arc furnace
  • Automatic pressure relief system for furnace cover of submerged arc furnace
  • Automatic pressure relief system for furnace cover of submerged arc furnace

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0025] refer to Figure 1-4 , an automatic pressure relief system for a furnace cover of a submerged arc furnace, comprising a furnace cover body 1, a sealing plate 2 fixedly connected to the upper surface of the furnace cover body 1, a protective cover 3 arranged on the upper surface of the sealing plate 2, and an inner surface of the sealing plate 2 A pressure relief cover 5 is movably connected through a hinge 4, and a weight box 6 is fixedly connected to the upper surface of the pressure relief cover 5. A pressure relief chamber 7 is provided inside the furnace cover body 1, and a pressure relief chamber 7 is provided at the end of the pressure relief cover 5 away...

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Abstract

The invention belongs to the technical field of submerged arc furnaces, and particularly relates to an automatic pressure relief system for a furnace cover of a submerged arc furnace. The automatic pressure relief system for the furnace cover of the submerged arc furnace aims at the problems that the function of an existing furnace cover pressure relief device is single and the protection effect is poor, the following scheme is provided at present. The automatic pressure relief system comprises a furnace cover body, wherein a sealing plate is fixedly connected to the upper surface of the furnace cover body, the upper surface of the sealing plate is provided with a protective cover, the inner surface of the sealing plate is movably connected to a pressure relief cover through a hinge, the upper surface of the pressure release cover is fixedly connected to a weight gain box, a pressure release cavity is formed inside the furnace cover body, and a locking plate is arranged at one end, away from the hinge, of the pressure release cover. The pressure relief system has the functions of automatic pressure relief and the automatic reset of the pressure relief cover, the trouble of manual shutdown operation is avoided, the working efficiency is improved, a multi-point temperature monitoring structure is added, so that people can know the temperature condition of furnace steam in the furnace cover in real time, meanwhile, the protective effect is good, and the safety of people can be guaranteed to the largest extent when needed.

Description

technical field [0001] The invention relates to the technical field of submerged arc furnaces, in particular to an automatic pressure relief system for a submerged arc furnace cover. Background technique [0002] Submerged arc furnace is also called arc electric furnace or electric resistance electric furnace. It is mainly used for reducing smelting ores, carbonaceous reducing agents and solvents and other raw materials. It mainly produces ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicon-manganese alloy and other ferroalloys, which are important industrial raw materials in the metallurgical industry and chemical raw materials such as calcium carbide. [0003] At present, the domestic submerged arc furnace cover pressure relief device is installed directly above the pressure relief hole of the furnace cover. When the gas pressure in the furnace is large and exceeds a certain critical value, the pressure relief cover will be opened. The staff must manually...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27D1/18F27D21/00F27D21/04
CPCF27D1/1808F27D21/00F27D21/0014F27D21/04F27D2001/1825F27D2021/0007F27D2021/0071
Inventor 周国忠石斌龙顾志玉
Owner JIANGSU DELONG NICKEL IND CO LTD
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