Pouring method for stove inner lining of aluminum solution holding stove

A technology for maintaining furnace and furnace lining, applied in the direction of lining repair, etc., can solve the problems of poor thermal insulation effect, difficult construction, long construction period, etc., and achieve the effect of good overall structure, simplified furnace construction process, and extended overhaul period

Inactive Publication Date: 2008-12-10
GUIZHOU BRANCH CHINA ALUMINUM IND
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  • Application Information

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Problems solved by technology

[0008] In order to overcome the shortcomings of the brick furnace lining structure such as short life, difficult construction, long construction period and poor heat preservation effect, the present invention adopts the integral pouring method of amorphous refractory materials to pour aluminum liquid to keep the furnace lining, so as to solve the problem of brick furnace lining. Purpose of Lining Defects

Method used

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  • Pouring method for stove inner lining of aluminum solution holding stove
  • Pouring method for stove inner lining of aluminum solution holding stove
  • Pouring method for stove inner lining of aluminum solution holding stove

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Embodiment Construction

[0035] Describe in detail below in conjunction with embodiment.

[0036] (1) Determination of the construction plan for maintaining the lining of the furnace

[0037] In order to maintain the capacity of the furnace, the total thickness of the furnace bottom lining is kept consistent with that before the transformation. The total thickness is 563mm, and the furnace bottom lining is constructed in 4 layers according to the material. The bottom layer is 120mm thick red brick. In order to more effectively insulate heat and prevent the infiltration of molten aluminum, a layer of BFS-II dry anti-seepage material with a thickness of 113mm is hammered on the second layer, that is, the upper part of the red brick, and the third layer is LBQ-0.8 light heat insulation Casting material, its thickness is 100mm. The uppermost layer, the fourth layer, is LBG-70 low-cement high-strength castable with a thickness of 230mm.

[0038] The lining of the maintenance furnace (containment pool) i...

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Abstract

The invention discloses a furnace internal lining placing method of an aluminum liquid holding furnace. The invention selects different functional materials according to the different functions of the parts of the holding furnace. The internal lining which is placed at the bottom of the furnace is demarcated into four layers by the characters of material. The bottom layer is red bricks. The second layer which is on the red bricks is a layer of dry type anti-seepage material. The third layer is light-weight heat insulation placing material. And the top layer which is the fourth layer is low cement high strength placing material. The furnace internal lining placing method not only can prolong the service of the holding furnace more than one time, but also shortens the construction period of the furnace from 60 days to 35 days, and directly saves the furnace construction capital 43 thousand Yuan.

Description

technical field [0001] The invention relates to a lining pouring method for primary aluminum smelting and heat preservation equipment in an aluminum electrolysis enterprise, in particular to a lining pouring method for an aluminum liquid holding furnace. Background technique [0002] The main function of the molten aluminum holding furnace is to receive electrolytic primary aluminum, melt the cold material, adjust the composition of the molten aluminum and maintain the temperature of the molten aluminum, so as to provide qualified quality molten aluminum for the casting production equipment. Most of the holding furnaces of domestic aluminum factories retain the furnace lining structure that combines clay refractory bricks, high-alumina refractory bricks and silicon bath soil introduced from Japan in the 1960s. This kind of brick furnace lining structure has disadvantages such as short service life, difficult construction, long construction period and poor thermal insulation ...

Claims

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Application Information

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IPC IPC(8): F27D1/16
Inventor 赵昌坡黄祖云陈德广
Owner GUIZHOU BRANCH CHINA ALUMINUM IND
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