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Stove cover

A furnace hood and hood technology are applied in the field of furnace hoods of metallurgical furnaces, which can solve the problems of serious ash formation, reduced service life, easy aging, etc., and achieve the effects of high waste heat recovery efficiency, prolonging service life and enhancing connection strength.

Active Publication Date: 2012-05-23
CHINA ENFI ENGINEERING CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, the weight of this furnace cover is still very heavy, and because the temperature of the refractory bricks is very high, ash formation is equally serious, and ash formation is very troublesome to clean
In addition, due to the high temperature of refractory bricks, it is easy to age, which reduces the service life and needs to be replaced frequently, which increases the cost and maintenance work, reduces the efficiency, and cannot recover waste heat, wasting energy

Method used

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0023] It should be noted that, in the present invention, the term "top, bottom, side wall, front, rear" and other positional relationships are based on the positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention, and cannot be interpreted as Invention Limitations.

[0024] Such as Figure 1-4 As shown, the furnace cover according to the embodiment of the present invention is installed on the top of the furnace body F (only a part is shown in the figure), and is ...

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Abstract

A stove cover comprises a cover body and a fire-resistant material layer; the cover body comprises a film type wall and is provided with a smoke gas inlet, a smoke gas outlet and a feed port; and the fire-resistant material layer is installed on the inner wall of the cover body. According to the stove cover, the stove body is made of film type wall; thus, the stove cover is light, the stove covercan be cooled completely, the afterheat recycling rate is high, the ash accumulation on the fire-resistant material layer in the cover body is reduced, the useful time of the fire-resistant material is prolonged, and the maintenance is simple.

Description

technical field [0001] The invention relates to a furnace hood, in particular, the invention relates to a furnace hood for a metallurgical furnace. Background technique [0002] Metallurgical furnaces are commonly used metallurgical industrial equipment, such as melting furnaces, flue gas furnaces, etc. The smelting furnace is widely used in the smelting of non-ferrous metals. During the smelting process, in order to effectively recover the waste heat of the smelting furnace, a waste heat boiler is usually installed above the smelting furnace. The waste heat boiler is connected to the smelting furnace through the The smelting furnace enters the waste heat boiler, and the heat in the high-temperature flue gas is recovered through heat exchange. [0003] The hood body of the traditional metallurgical furnace is usually made of steel plates, such as welded with steel plates, with refractory materials inside, so the hood is very heavy. [0004] In addition, in order to cool th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D1/00F27D17/00
Inventor 王岗陈逢胜徐建炎
Owner CHINA ENFI ENGINEERING CORPORATION
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