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Combustible gas furnace for melting of metal

A smelting furnace and gas technology, used in lighting and heating equipment, etc., can solve the problems of difficult to control the infiltration of carbon and other impurities, large power consumption, low thermal efficiency, etc., to achieve economical smelting cost, energy saving, and high thermal efficiency.

Inactive Publication Date: 2004-05-26
丁桂秋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, intermediate frequency furnaces are usually used for steelmaking, which has the disadvantage of high power consumption; cupola furnaces for cast iron smelting have the disadvantage that the infiltration of carbon and other impurities is difficult to control; Low thermal efficiency and high cost

Method used

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  • Combustible gas furnace for melting of metal
  • Combustible gas furnace for melting of metal
  • Combustible gas furnace for melting of metal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The combustible gas metal smelting furnace of the present embodiment is as figure 1 As shown, 1—blower, 2—intake pipe, 3—preheating barrel, 4—outlet pipe, 5—air chamber, 6—air chamber perforated plate, 7—mixing combustion chamber, 8—combustion furnace, 9—combustible gas pipe, 10—combustible gas chamber, 11—combustible gas perforated plate, 12—flame channel, 13—flame nozzle, 14—insulation furnace body.

[0017] It can be seen from the figure that one side of the mixing combustion chamber 7 communicates with the air chamber 5 through the air perforated plate 6 , and the other side communicates with the combustible gas chamber 10 through the combustible gas perforated plate 11 . The upper port of the heat preservation furnace body 14 is surrounded by a preheating barrel 3 , the air inlet of the preheating barrel 3 communicates with the air outlet of the blower 1 through the air inlet pipe 2 , and the air outlet communicates with the air chamber 5 through the air outlet pip...

Embodiment 2

[0021] The combustible gas metal smelting furnace of the present embodiment is as figure 2 As shown, its basic structure is the same as that of Embodiment 1. The difference is that there is no preheating bucket 3 at the upper end of the holding furnace body 14, and the air is directly blown into the air chamber 5 by the air blower 1 through the air intake pipe 2. In addition, an electric arc carbon rod 15 is installed in the middle of the flame channel 12, so that electric energy can be used to assist heating, thereby increasing the heating speed.

Embodiment 3

[0023] The combustible gas metal smelting furnace of the present embodiment is as image 3 As shown, its basic structure is also the same as that of Embodiment 1. The difference is that there is no preheating bucket 3 at the upper end of the holding furnace body 14, and the air is directly blown into the air chamber 5 by the air blower 1 through the air intake pipe 2. In addition, an arc carbon rod 15 is installed in the middle of the intake pipe 2, and an oxygen nozzle 16 is opened in the middle of the flame passage 12, so that combustion-supporting oxygen can be delivered to the burning flame to make the combustion more complete.

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PUM

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Abstract

A metal smelting furnace using combustible gas is composed of an insulating main body, a mixing combustion chamber communicated via a perforated plate to air chamber and via another perforated plate to combustible gas chamber, a flame channel and flame nozzle. Said air and combustible gas are mixed and burning in said mixing combustion chamber to generate high-temp flame, which is then sprayed in said insulating main body for smelting metal. Its advantages are high heat efficiency, and no influence of impurities to smelting quality.

Description

technical field [0001] The invention relates to metal smelting equipment, in particular to a combustible gas metal smelting furnace, which belongs to the technical field of smelting equipment. Background technique [0002] As far as the applicant knows, there are corresponding smelting equipment for each metal. For example, intermediate frequency furnaces are usually used for steelmaking, which has the disadvantage of high power consumption; cupola furnaces for cast iron smelting have the disadvantage that the infiltration of carbon and other impurities is difficult to control; Low thermal efficiency and high cost. Contents of the invention [0003] The object of the present invention is to propose a combustible gas metal smelting furnace suitable for smelting various metals, with high thermal efficiency, low cost and guaranteed smelting quality. [0004] In order to achieve the above object, the combustible gas metal smelting furnace of the present invention includes a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B3/00
Inventor 丁桂秋
Owner 丁桂秋