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Crude zinc smelting method and smelting furnace therefor

A smelting method and smelting furnace technology, which are applied in the field of smelting furnaces, can solve the problems of low utilization rate of heat energy, high production cost and large investment, and achieve the effects of improving utilization rate of heat energy, reducing production cost and high utilization rate of heat energy.

Inactive Publication Date: 2006-10-11
徐建成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Hydrometallurgy involves huge investment, difficult wastewater treatment, and strong selectivity to raw materials; pyrometallurgy includes vertical tank smelting, blast furnace smelting, and electric furnace smelting, all of which have disadvantages such as large investment, high production cost, and low heat utilization rate.

Method used

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  • Crude zinc smelting method and smelting furnace therefor
  • Crude zinc smelting method and smelting furnace therefor
  • Crude zinc smelting method and smelting furnace therefor

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Embodiment Construction

[0021] Embodiments of the invention. Crude zinc smelting method and its smelting furnace, first use refractory bricks to build a ring-shaped inner wall 1 and outer wall 2, the middle of the inner wall 1 and the outer wall 2 is a combustion chamber 3, and install a circle of gas and hot air nozzles on the inner wall 1 4. The gas and hot air nozzle 4 is connected to the gas generator 16. The gas generator can be installed in the middle of the inner wall 1, and a circle of smelting tanks 5 is installed in the combustion chamber 3. In order to facilitate installation, the smelting tanks 5 are one large and one small at both ends. The elliptical table shape, the small end of the radius is sealed, installed on the inner wall 1, the large end of the radius is connected to the condenser 6, and the smelting tank 5 is made of silicon carbide material, which can be recycled after damage. The smelting tank 5 is vertically distributed in three layers in the combustion chamber 3, and the co...

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Abstract

The invention discloses a method of spelter smelt and the smelting-furnace, the method adopts fire metallurgy method to smelt, the feature as follow: locating two or more than two smelting-pot in blast chamber of smelting-furnace, when one of smelting-pots act high temperature smelting, the other smelting-pots act preliminary heating or low-temperature smelting with the waste heat, after the smelting-pot come over the high temperature smelting, act the high temperature smelting for the other smelting-pot which act the low-temperature smelting, at the movement, the waste heat remain to act preliminary heating or low-temperature smelting for other smelting-pot, reduplicate the smelting process show above to act the spelter smelt continuously. The invention adopts the structure of ring smelting-furnace, form the high-temperature section, the middle-temperature section and low-temperature section in blast chamber, use the waste heat of high-temperature smelting, increase the heat availability ratio and decrease the cost of manufacture. The method suits for spelter smelt and other metal smelting methods that need high-temperature and low-temperature gradient operation.

Description

technical field [0001] The invention relates to a crude zinc smelting method and a used smelting furnace, belonging to the technical field of zinc smelting. Background technique [0002] In the prior art, metal zinc smelting methods are mainly divided into wet method and fire method. Hydrometallurgy involves huge investment, difficult wastewater treatment, and strong selectivity to raw materials; pyrometallurgy includes vertical tank smelting, blast furnace smelting, and electric furnace smelting, all of which have disadvantages such as large investment, high production cost, and low heat utilization rate. Contents of the invention [0003] The object of the present invention is to provide a low-cost and high-efficiency crude zinc smelting method and a used smelting furnace. The method can be produced continuously, has high utilization rate of heat energy and low production cost. [0004] Technical scheme of the present invention. Crude zinc smelting method, which adopt...

Claims

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Application Information

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IPC IPC(8): C22B19/04C22B19/18F27B1/04F27B1/22F27B1/24F27D3/00
Inventor 徐建成
Owner 徐建成
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