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Charging cylinder for Ausmelt furnace

An Osmelt furnace and feeding tube technology, applied in furnaces, electric furnaces, rotary drum furnaces, etc., can solve the problems of easy bonding of the wall of the feeding tube, unfavorable flue gas treatment, and easy deformation of the feeding tube at high temperature, to achieve Effects of lowering temperature, preventing sticking, and reducing cleaning times

Inactive Publication Date: 2015-10-28
TONGLING NON FERROUS METAL GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the problems of easy bonding of the wall of the feeding cylinder, unfavorable side reactions of flue gas treatment and easy deformation of the feeding cylin

Method used

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  • Charging cylinder for Ausmelt furnace

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0023] Example 1: Feeding cylinder for Osmert furnace, the opening of the feeding cylinder 1 is smaller than the feeding channel of the feeding cylinder 1, and the opening of the feeding cylinder 1 and the feeding channel are transitioned through the inclined plate 5, the opening of the feeding cylinder 1 The air supply pipe 3 is provided at the place.

[0024] A baffle 6 is symmetrically fixed at the opening of the feeding barrel 1 and extends into the feeding barrel 1. The baffle 6 is composed of a partition plate 2, a vertical plate 4, and an inclined plate 5.

[0025] The opening of the feeding cylinder 1 is provided with a stainless steel partition 2 with a thickness of 3 mm, and its size is 300 mm×450 mm, and the partition 2 and the feeding cylinder 1 are welded. The air supply pipe 3 arranged on the partition plate 2 is a metal hose, and the pipe diameter is DN32. One end of the vertical plate 4 is welded to the partition plate 2, and the other end of the vertical plate 4 i...

Example Embodiment

[0028] Example 2: A feeding cylinder for the Osmelt furnace, the opening of the feeding cylinder 1 is smaller than the feeding channel of the feeding cylinder 1, and the opening of the feeding cylinder 1 and the feeding channel are transitioned through the inclined plate 5, the opening of the feeding cylinder 1 The air supply pipe 3 is provided at the place.

[0029] A baffle 6 is symmetrically fixed at the opening of the feeding barrel 1 and extends into the feeding barrel 1. The baffle 6 is composed of a partition plate 2, a vertical plate 4, and an inclined plate 5.

[0030] The opening of the feeding cylinder 1 is provided with a stainless steel partition 2 with a thickness of 3 mm, and its size is 300 mm×450 mm, and the partition 2 and the feeding cylinder 1 are welded. The air supply pipe 3 on the partition plate 2 is a metal hose, and the pipe diameter is DN25. One end of the vertical plate 4 is welded to the partition plate 2, and the other end of the vertical plate 4 is c...

Example Embodiment

[0033] Example 3: Feeding cylinder for Osmelt furnace, the opening of the feeding cylinder 1 is smaller than the feeding channel of the feeding cylinder 1, and the transition between the opening of the feeding cylinder 1 and the feeding channel is through the inclined plate 5, the opening of the feeding cylinder 1 The air supply pipe 3 is provided at the place.

[0034] A baffle 6 is symmetrically fixed at the opening of the feeding barrel 1 and extends into the feeding barrel 1. The baffle 6 is composed of a partition plate 2, a vertical plate 4, and an inclined plate 5.

[0035] The opening of the feeding cylinder 1 is provided with a stainless steel partition 2 with a thickness of 5 mm, and its size specification is 250 mm×400 mm, and the partition 2 and the feeding cylinder 1 are welded. The air supply pipe 3 arranged on the partition plate 2 is a metal hose, and the pipe diameter is DN32. One end of the vertical plate 4 is welded to the partition plate 2, and the other end of...

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Abstract

The invention relates to the technical field of pyrometallurgy, and discloses a charging cylinder for an Ausmelt furnace. According to the charging cylinder for the Ausmelt furnace, an opening of the charging cylinder is smaller than a material walking channel of the charging cylinder; a step transitional surface is used for transition between the opening of the charging cylinder and the material walking channel; and an air supply duct is arranged at the opening of the charging cylinder. By means of the charging cylinder for the Ausmelt furnace, raw materials can be effectively prevented from being bonded on the wall of the charging cylinder; the mass transfer rate of smelting is increased, the smoke rate and the temperature of the charging cylinder can be effectively lowered, and the charging cylinder can be prevented from being deformed; meanwhile, the frequency for replacing the charging cylinder is lowered, and the cleaning frequency by workers every day is lowered as well.

Description

technical field [0001] The invention relates to a charging cylinder convenient for an Osmelt furnace in the technical field of pyrometallurgy. Background technique [0002] At present, molten pool smelting is a smelting method in which the charge rapidly completes the main reaction between the gas-liquid-solid phase in the liquid molten pool (slag, matte). With the continuous strengthening of the smelting process by the advancement of modern molten pool smelting technology, the bed capacity of the molten pool melting furnace has been greatly improved. The molten pool enhanced smelting mainly achieves the purpose of smelting intensification by adding the charge into the strongly stirred molten pool, strengthening the smelting mass transfer process, and adding reactants (oxidants, reducing agents, vulcanizing agents, fuels, etc.). [0003] The usual feeding method for molten pool smelting is that the charge is fed into the molten pool through the top feeding port. Before rea...

Claims

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Application Information

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IPC IPC(8): C22B15/00
Inventor 沈煜吕高平赵荣升孙成明盛柏青丁勇
Owner TONGLING NON FERROUS METAL GROUP CORP
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