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Flue gas collecting device for copper smelting of converter process

A flue gas collection and converter technology, which is applied in the field of flue gas collection devices, can solve the problems of difficult configuration and installation, short smoke hood, damage to the converter, etc., and achieve the effects of convenience for operators, improvement of equipment life, and protection of the atmospheric environment

Inactive Publication Date: 2016-03-16
TONGLING NONFERROUS DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In some smelters in my country, there is insufficient smoke and dust collection in the airtight fume hood of the existing rising flue gas of the converter; the inner wall of the fume hood is prone to slagging and hanging on the wall, and when the slagging reaches a certain level and falls on the converter, it will cause certain damage to the converter; The fume hood has a large amount of circulating water; the fume hood has a small heat transfer area; the fume hood is short, so that the equipment connected to it must enter the sub-span of the smelting plant, making configuration and installation difficult and other unfavorable factors

Method used

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  • Flue gas collecting device for copper smelting of converter process
  • Flue gas collecting device for copper smelting of converter process
  • Flue gas collecting device for copper smelting of converter process

Examples

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Effect test

Embodiment 1

[0018] The flue gas collection device for copper smelting in the converter process in this embodiment includes a converter, a movable furnace door 1 and a settling chamber, and the settling chamber is connected with a waste heat absorption boiler. Wherein, the movable furnace door 1 is connected with the settling chamber through a herringbone water-cooled hood 3, and the herringbone water-cooled hood 3 includes an ascending flue 9 and a descending flue 10, and the included angle between the ascending flue 9 and the descending flue 10 is is 62°, and the herringbone water-cooled fume hood 3 is a jacket type; the bottom of the water distribution tower 4 is connected with an anti-water cut-off device 5, and the tower wall of the water distribution tower 4 is evenly distributed externally with several water pipes 6, and each of the water pipes The other end of 6 is connected to the outer wall of the herringbone water-cooled hood 3; two main exhaust pipes 2 are fixedly connected to t...

Embodiment 2

[0020] The flue gas collection device for copper smelting in the converter process in this embodiment includes a converter, a movable furnace door 1 and a settling chamber, and the settling chamber is connected with a waste heat absorption boiler. Wherein, the movable furnace door 1 is connected with the settling chamber through a herringbone water-cooled hood 3, and the herringbone water-cooled hood 3 includes an ascending flue 9 and a descending flue 10, and the included angle between the ascending flue 9 and the descending flue 10 is 65°, and the herringbone water-cooled fume hood 3 is a jacket type; the bottom of the water distribution tower 4 is connected with a water cut-off device 5, and the tower wall of the water distribution tower 4 is evenly distributed externally with several water pipes 6, and each of the water pipes The other end of 6 is connected to the outer wall of the herringbone water-cooled hood 3; two main exhaust pipes 2 are fixedly connected to the outsid...

Embodiment 3

[0022] The flue gas collection device for copper smelting in the converter process in this embodiment includes a converter, a movable furnace door 1 and a settling chamber, and the settling chamber is connected with a waste heat absorption boiler. Wherein, the movable furnace door 1 is connected with the settling chamber through a herringbone water-cooled hood 3, and the herringbone water-cooled hood 3 includes an ascending flue 9 and a descending flue 10, and the included angle between the ascending flue 9 and the descending flue 10 is 68°, and the herringbone water-cooled smoke hood 3 is a jacket type; the bottom of the water distribution tower 4 is connected with a water cut-off device 5, and the tower wall of the water distribution tower 4 is evenly distributed externally with several water pipes 6, and each of the water pipes The other end of 6 is connected to the outer wall of the herringbone water-cooled hood 3; two main exhaust pipes 2 are fixedly connected to the outsi...

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Abstract

The invention discloses a flue gas collecting device for copper smelting of the converter process. The flue gas collecting device is simple in structure, convenient to operate, safe and reliable in operation, environmentally friendly and capable of saving energy. The flue gas collecting device for copper smelting of the converter process comprises a converter (7), movable converter doors (1) and a settling chamber (8). The movable converter doors (1) of the converter (7) are connected with the settling chamber (8) through a herringbone water-cooling gas hood (3). The herringbone water-cooling gas hood (3) is in a jacketed type. The tower walls of water distributing towers (4) are externally connected with a plurality of water pipes (6) which are evenly distributed on the tower walls. The other end of each water pipe (6) is connected with the outer wall of the herringbone water-cooling gas hood (3). Two main steam discharging pipes 2 are fixedly connected to the outer side of the herringbone water-cooling gas hood (3) in the axial direction of the herringbone water-cooling gas hood (3).

Description

technical field [0001] The invention designs a flue gas collection device, in particular to a flue gas collection device for copper smelting in a converter process. Background technique [0002] Copper smelting is to put the matte copper smelted from the copper concentrate into the converter, and blow it with oxygen to produce blister copper, and the blister copper will release high-temperature flue gas (1150-1280 °C), the flue gas contains a certain concentration of SO 2 and soot. These fumes are not only large in volume, but also contain some harmful and valuable substances, as well as a large amount of high heat. If it is discharged at will, it will cause a waste of resources and energy, and it will also cause serious environmental pollution. Generally, copper smelters collect the process flue gas discharged from the converter through the collection device, so as to recover the waste heat and SO in the flue gas. 2 and soot. The soot contains rare metals, and removing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B15/06
Inventor 阮红生阮胜寿方志甫陈新平江银松
Owner TONGLING NONFERROUS DESIGN & RES INST