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CN-115900362-B - Device and method for reducing mineral aggregate by gas

CN115900362BCN 115900362 BCN115900362 BCN 115900362BCN-115900362-B

Abstract

The invention provides a device and a method for reducing mineral aggregate by gas, which belong to the technical fields of chemical industry and metallurgy and comprise a furnace main body, a waste heat recovery assembly, a mineral aggregate storage assembly and a dust treatment assembly, wherein a discharge structure is arranged in the furnace main body, the waste heat recovery assembly comprises a first pipeline, a settling chamber and a heat exchange structure, one end of the first pipeline is communicated with the interior of the furnace main body, the settling chamber is communicated with one end of the first pipeline, which is far away from the furnace main body, the heat exchange structure is respectively used for generating heat transfer with the first pipeline and the settling chamber, the mineral aggregate storage assembly is communicated with the furnace main body and is used for automatically feeding the mineral aggregate into the furnace main body, the mineral aggregate storage assembly is connected with the heat exchange structure and is used for preheating the mineral aggregate, and the dust treatment assembly comprises a material containing part connected with the settling chamber, a mixed shaping part arranged in the settling chamber and a conveying part used for conveying dust finished products. According to the device and the method for reducing the mineral aggregate by the gas, provided by the invention, the waste heat generated by the reaction of the furnace main body is utilized to preheat the mineral aggregate and the gas, so that the reaction efficiency is improved.

Inventors

  • TANG TA
  • ZHANG SHOUZHI

Assignees

  • 北京泓龙科技有限公司

Dates

Publication Date
20260512
Application Date
20220926

Claims (6)

  1. 1. An apparatus for gas reduction of mineral material, comprising: A furnace main body (1) provided with a discharge structure (2) therein; The waste heat recovery assembly (3) comprises a first pipeline (31) with one end communicated with the interior of the furnace main body (1), a sedimentation chamber (32) communicated with one end of the first pipeline (31) away from the furnace main body (1), and a heat exchange structure (33) respectively used for generating heat transfer with the first pipeline (31) and the sedimentation chamber (32); the mineral aggregate storage component (4) is communicated with the interior of the furnace main body (1) and is used for automatically feeding materials into the furnace main body (1), and the mineral aggregate storage component (4) is connected with the heat exchange structure (33) and is used for preheating mineral aggregate; the dust treatment assembly (5) comprises a material containing part (51) connected with the settling chamber (32), a mixing shaping part (52) arranged in the settling chamber (32) and a conveying part (53) for conveying dust finished products; The heat exchange structure (33) comprises: a case (331) containing an evaporation medium therein; One end of the second pipeline (332) is communicated with the box body (331) through a one-way communication structure (334), part of the structure of the second pipeline (332) is positioned in the first pipeline (31), and part of the structure of the second pipeline (332) is positioned in the sedimentation chamber (32); -a heat conductor (333) in communication with the second conduit (332), the heat conductor (333) being in communication with the tank (331), the heat conductor (333) being connected with the mineral aggregate storage assembly (4); The settling chamber (32) comprises: The sedimentation chamber main body (321) is connected with the material containing piece (51), and the mixing shaping piece (52) and the conveying piece (53) are arranged in the sedimentation chamber main body (321); The magnetic separation assembly (322) is arranged in the sedimentation chamber main body (321) and is used for screening magnetic substances; The cooling component (323) is connected with the sedimentation chamber main body (321), is communicated with the second pipeline (332), and has a first use state and a second use state, the cooling component (323) cools dust entering the sedimentation chamber main body (321) in the first use state, and the cooling component (323) washes the magnetic separation component (322) and/or the interior of the sedimentation chamber main body (321) in the second use state; the mixing and shaping piece (52) comprises: The movable plate (521) is movably connected with the sedimentation chamber main body (321) and has a first use state and a second use state, the movable plate (521) is in contact with the inner wall of the sedimentation chamber main body (321) in the first use state, and the movable plate (521) is paved in the sedimentation chamber main body (321) and divides the interior of the sedimentation chamber main body (321) into two independent spaces in the second use state; a stirring structure (522) rotatably connected to the sedimentation chamber body (321); And the driving assembly (523) is connected with the movable plate (521) and is used for being in transmission connection with the stirring structure (522) when the movable plate (521) is in the second use state.
  2. 2. An apparatus for gas reduction of mineral material according to claim 1, characterized in that the magnetic separation assembly (322) comprises: the electromagnets are arranged and connected with the inner wall of the sedimentation chamber main body (321); the power supply structure is electrically connected with a plurality of electromagnets; and the protective layer is connected with the inner wall of the sedimentation chamber body (321) and is used for covering the electromagnet.
  3. 3. An apparatus for gas reduction of mineral aggregate according to claim 2, wherein the mineral aggregate storage assembly (4) comprises a body (41), the body (41) being connected to the heat conductor (333) by a heat conducting structure.
  4. 4. A device for gas reduction of mineral aggregates according to claim 3, further comprising a gas supply assembly (6) in communication with the furnace body (1), the gas supply assembly (6) being connected to the waste heat recovery assembly (3).
  5. 5. An apparatus for gas reduction of mineral aggregate according to claim 4, wherein the charge body (41) is arranged adjacent to part of the structure of the gas supply assembly (6), the lower end of the charge body (41) being connected to the heat conductor (333).
  6. 6. An apparatus for gas reduction of mineral aggregate according to claim 5, wherein the cooling module (323) is provided with a spray head.

Description

Device and method for reducing mineral aggregate by gas Technical Field The invention belongs to the technical fields of chemical industry and metallurgy, and particularly relates to a device and a method for reducing mineral aggregate by gas. Background At present, most of domestic electric furnace high-temperature flue gas waste heat is not recycled, and part of enterprises recycle the electric furnace flue gas waste heat, but the recycling effect is not ideal. Disclosure of Invention The invention aims to provide a device and a method for reducing mineral aggregate by gas, and aims to solve the technical problem of poor effect on flue gas waste heat recovery in the prior art. In order to achieve the aim, the technical scheme adopted by the invention is that the device for reducing mineral aggregate by gas comprises: a furnace main body provided with a discharge structure therein; The waste heat recovery assembly comprises a first pipeline, a settling chamber and a heat exchange structure, wherein one end of the first pipeline is communicated with the interior of the furnace main body, the settling chamber is communicated with one end of the first pipeline, which is away from the furnace main body, and the heat exchange structure is respectively used for generating heat transfer with the first pipeline and the settling chamber; the mineral aggregate storage component is communicated with the furnace main body and is used for automatically feeding materials into the furnace main body; The dust treatment assembly comprises a material containing part connected with the settling chamber, a mixing shaping part arranged in the settling chamber (32) and a conveying part for conveying dust finished products. Preferably, the heat exchange structure comprises: the box body is internally provided with an evaporation medium; one end of the second pipeline is communicated with the box body through a one-way communication structure, a part of the second pipeline is positioned in the first pipeline, and a part of the second pipeline is positioned in the sedimentation chamber; and the heat conductor is communicated with the second pipeline, is communicated with the box body and is connected with the mineral aggregate storage component. Preferably, the settling chamber comprises: the sedimentation chamber main body is connected with the material containing piece, and the mixing shaping piece and the conveying piece are arranged in the sedimentation chamber main body; The magnetic separation assembly is arranged in the sedimentation chamber main body and is used for screening magnetic substances; The cooling component is connected with the sedimentation chamber main body, is communicated with the second pipeline, has a first use state and a second use state, the cooling component cools dust entering the sedimentation chamber main body in the first use state, and the cooling component washes the magnetic separation component and/or the sedimentation chamber main body in the second use state. Preferably, the mixing shaping piece comprises: the movable plate is movably connected with the sedimentation chamber main body and has a first use state and a second use state, the movable plate is in contact with the inner wall of the sedimentation chamber main body in the first use state, and the movable plate is paved in the sedimentation chamber main body in the second use state and divides the interior of the sedimentation chamber main body into two independent spaces; the stirring structure is rotationally connected with the sedimentation chamber main body; The driving assembly is connected with the movable plate and is used for being in transmission connection with the stirring structure when the movable plate is in a second use state. Preferably, the magnetic separation assembly comprises: The electromagnets are arranged in a plurality and are connected with the inner wall of the sedimentation chamber main body; the power supply structure is electrically connected with a plurality of electromagnets; and the protective layer is connected with the inner wall of the sedimentation chamber main body and is used for covering the electromagnet. Preferably, the mineral aggregate storage assembly comprises a material containing body, and the material containing body is connected with the heat conducting body through a heat conducting structure. Preferably, the waste heat recovery device further comprises a gas supply assembly communicated with the furnace main body, and the gas supply assembly is connected with the waste heat recovery assembly. Preferably, the material containing body is arranged adjacent to a part of the structure of the gas supply assembly, and the lower end of the material containing body is connected with the heat conductor. Preferably, the cooling component is provided with a spray head. The invention also provides a method for gas reduction of mineral aggregates comprising the steps of: Compared with the prior art