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A method for protecting the steel water jacket at the anode furnace mouth and the flue mouth, and the steel water jacket

A technology of molten steel jacket and flue mouth, applied in furnace, furnace cooling, furnace components, etc., can solve the problems of influence, easy deformation of heat-resistant alloys, and expensive production of heat-resistant alloy plates.

Active Publication Date: 2017-06-30
YUNNAN TIN
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Problems solved by technology

However, the production of heat-resistant alloy plates is very expensive, and in the absence of circulating cooling water, the heat-resistant alloy is prone to deformation after long-term use, including the direct cancellation of the steel water jacket, which will lead to anode furnace mouth and flue mouth Thermal deformation, deformation of the anode furnace mouth and flue mouth steel shell will affect the quality of the brick masonry when the furnace brick is replaced and overhauled, and in severe cases may lead to an equipment accident that the furnace brick collapses

Method used

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  • A method for protecting the steel water jacket at the anode furnace mouth and the flue mouth, and the steel water jacket

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Embodiment Construction

[0020] Such as figure 1 shown, follow the steps below,

[0021] A. Replacement and installation: Replace the corroded old steel water jacket at the anode furnace mouth and flue mouth, and install a new steel water jacket;

[0022] B. Mold making: After the molten steel jacket at the anode furnace mouth and the flue mouth is installed normally, the surface of the exposed molten steel jacket is flat and staggered to weld the catch 2, and the iron mold 1 with the same length and size as the molten steel jacket is welded on the edge of the molten steel jacket;

[0023] C. Casting: Cast the configured aluminum-carbon casting material in the welded iron mold, and at the same time, vibrate and fill the aluminum-carbon casting material firmly;

[0024] D. Ignition and heating: After the aluminum-carbon refractory is cast, the anode furnace can be ignited and heated up normally after 8 hours of maintenance.

[0025] Such as figure 1 As shown, a molten steel jacket includes a molten ...

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Abstract

A method for protecting a steel water jacket at an anode furnace mouth and a flue mouth includes changing and installing, making a mould, casting, and igniting and heating up. A new type of steel water jacket, comprising a steel water jacket body and a steel water jacket inlet and outlet water pipe mouth, and a steel water jacket also includes an iron mold and a welding catch. The molten steel jacket at the anode furnace mouth is protected by refractory materials, which isolates the copper water or slag, and prevents the accident of the molten steel jacket being washed and leaked; to anti-corrosion effect.

Description

technical field [0001] The invention belongs to the technical field of nonferrous metallurgical equipment, and in particular relates to a method for protecting a molten steel jacket at an anode furnace mouth and a flue outlet and the molten steel jacket. Background technique [0002] Some molten steel jackets are often used in pyro-smelting equipment in the copper smelting industry, such as the mouth of the anode furnace and the mouth of the flue. However, the furnace mouth of the anode furnace is often required to remove slag. The slag contains copper water with a certain degree of oxidation. After the oxidized copper water contacts the molten steel jacket of the furnace mouth, the Fe on the molten steel jacket is easily reduced to the copper oxide in the copper water. reaction, after reducing the copper oxide in the copper water for many times, the surface of the molten steel jacket is gradually washed and corroded. Anode furnaces in copper smelting enterprises will be fo...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D9/00C22B15/00
Inventor 顾鹤林唐都作袁海滨宋兴诚田澍刘国辉张崇云熊尉明
Owner YUNNAN TIN
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