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Redox gun and redox furnace with redox gun

A reduction furnace and oxygen pipeline technology, which is applied in the fields of redox furnace and redox gun, can solve problems such as redox gun blockage, achieve the effects of improving utilization rate, preventing nodules, and reducing mechanical damage

Pending Publication Date: 2019-12-13
CHINA ENFI ENGINEERING CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this form, due to the cracking reaction of natural gas after entering the high-temperature melt, a large amount of heat is absorbed, which causes the melt in the head area of ​​the redox gun to condense due to the temperature drop, and forms nodules at the gun head, thereby causing the redox gun to be blocked. Frequent cleaning and replacement

Method used

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  • Redox gun and redox furnace with redox gun
  • Redox gun and redox furnace with redox gun
  • Redox gun and redox furnace with redox gun

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Embodiment Construction

[0034] 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 and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the ...

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Abstract

The invention discloses a redox gun and a redox furnace with the redox gun. The redox gun comprises an inner tube and an outer tube, wherein the inner tube comprises a plug, a first connector and a first gas outlet; the plug is arranged at one end of the inner tube; the first connector is arranged on the inner tube; and the first gas outlet is arranged at the other end of the inner tube. The outertube is arranged at the periphery of the inner tube, and a gas channel is formed between the outer tube and the outer wall of the inner tube; the outer tube comprises a second connector and a secondgas outlet, wherein the second connector is arranged on the gas channel; and the second gas outlet is arranged at one end, close to the first gas outlet, of the outer tube. The redox gun adopts a double-channel structure comprising the inner tube and the outer tube, so that the phenomenon that a head of the redox gun is nodulated is reduced, the service life of the redox gun and refractory bricksat the peripheral of the redox gun are prolonged, and the utilization rate of combustible gas in a reduction period is advantageously improved.

Description

technical field [0001] The invention belongs to the technical field of copper smelting, in particular, the invention relates to an oxidation-reduction gun and an oxidation-reduction furnace with the same. Background technique [0002] In the copper smelting process, the further refining of blister copper into anode copper is generally completed in the anode furnace, and the cycle operation is divided into feeding and heat preservation (including pre-oxidation) period, oxidation period, reduction period and casting period. In the oxidation stage, compressed air is blown into the copper liquid through a redox gun to oxidize the sulfur in the blister copper into the flue gas, and simultaneously oxidize the iron, arsenic, antimony, bismuth and other impurities in the copper liquid into the refining slag to be removed. During the oxidation process, since there are fewer impurities in the copper liquid, in order to remove the impurities in the copper liquid more thoroughly, it is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27D7/02F23D14/22C22B15/14
CPCF27D7/02F23D14/22C22B15/006F27M2001/015F27M2003/13
Inventor 李晓霞李海春吴玲刘恺陆金忠
Owner CHINA ENFI ENGINEERING CORPORATION
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