WO2024259811A1 - Four de carbonisation de charbon actif - Google Patents

Four de carbonisation de charbon actif Download PDF

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Publication number
WO2024259811A1
WO2024259811A1 PCT/CN2023/118702 CN2023118702W WO2024259811A1 WO 2024259811 A1 WO2024259811 A1 WO 2024259811A1 CN 2023118702 W CN2023118702 W CN 2023118702W WO 2024259811 A1 WO2024259811 A1 WO 2024259811A1
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Prior art keywords
carbonization furnace
stirring
furnace body
activation cylinder
separation
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Ceased
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PCT/CN2023/118702
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English (en)
Chinese (zh)
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卜春苗
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Individual
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/39—Apparatus for the preparation thereof

Definitions

  • the invention relates to an activated carbon preparation device, in particular to an activated carbon carbonization furnace.
  • Activated carbon is a specially treated carbon.
  • Organic raw materials fruit shells, coal, wood, etc.
  • carbonization this process is called carbonization
  • the surface is eroded, and a microporous structure is produced (this process is called activation).
  • the activation process is a microscopic process, that is, the surface erosion of a large number of molecular carbides is point erosion, so the surface of activated carbon has countless tiny pores.
  • the diameter of the micropores on the surface of activated carbon is mostly between 2 and 50nm. Even a small amount of activated carbon has a huge surface area.
  • the surface area of each gram of activated carbon is 500-1500m2 . Almost all applications of activated carbon are based on this feature of activated carbon.
  • the structure of the existing carbonization furnace easily leads to agglomeration of compounds, and also affects the subsequent activation quality.
  • the existing carbonization furnace is inconvenient to discharge materials, and the carbonized materials cannot be set at a designated location for output.
  • the present invention designs an activated carbon carbonization furnace, which solves the technical problem that the structure of the existing carbonization furnace easily leads to compound agglomeration and also affects the subsequent activation quality, and the existing carbonization furnace is inconvenient to discharge materials and cannot set the carbonized materials at a designated location for output.
  • the present invention adopts the following solutions:
  • An activated carbon carbonization furnace comprises a horizontally placed carbonization furnace body (1) and a horizontally placed stirring and separating activation cylinder (2); the two ends of the stirring and separating activation cylinder (2) are respectively open and sealed; the two ends of the carbonization furnace body (1) are also respectively open and sealed; the carbonization furnace body (1) is also provided with a material filling port; the open end (13) of the carbonization furnace body (1) can enter the stirring and separating activation cylinder (2) and move along the axial direction of the stirring and separating activation cylinder (2); when the open end (13) of the carbonization furnace body (1) is in contact with the stirring and separating activation cylinder (2), the stirring and separating activation cylinder (2) is moved along the axial direction of the stirring and separating activation cylinder (2); After the sealing plate (22) of the stirring and separation activation cylinder (2) is in sealing contact, a vacuum is drawn, and the thermal resistance wire in the carbonization furnace body (1) starts to work to carbonize the material; when the opening end (13) of the carbonization furnace body (1) is separated from the sealing
  • a first gear ring (23) is provided on the outer wall of the sealed end of the stirring and separation activation cylinder (2), the meshing teeth are located on the outer ring of the first gear ring (23), the rotating shaft of the driving motor (25) is connected to the driving gear (24), and the driving gear (24) is meshed with the first gear ring (23) so that the stirring and separation activation cylinder (2) can rotate in the outer support ring (29).
  • it also includes a second gear ring (31), the meshing teeth are located on the inner ring of the second gear ring (31), the second gear ring (31) is located inside the first gear ring (23) and is fixed on the mounting platform and cannot rotate, the passive gear (32) is meshed with the second gear ring (31) so that the passive gear (32) can also rotate when the stirring and separation activation cylinder (2) rotates; one end of the stirring shaft (33) is connected to the passive gear (32) and passes through the sealed end of the stirring and separation activation cylinder (2) and can extend into the carbonization furnace body (1), and the stirring blade (34) on the stirring shaft (33) can evenly stir the material in the carbonization furnace body (1).
  • the sealing plate (22) is provided with an annular sealing groove (221), the size of the sealing groove (221) being compatible with the opening end (13) of the carbonization furnace body (1) so that the opening end (13) of the carbonization furnace body (1) can enter the sealing groove (221), and a high-temperature resistant metal sealing ring is provided in the sealing groove (221).
  • an air passage (11) is provided on the carbonization furnace body (1), and the air passage (11) can be connected to a booster pump or a vacuum pump via a three-way structure.
  • the carbonization furnace body (1) is further provided with a screen (12), one side of the screen (12) being the air passage (11) and the other side being the material.
  • it further comprises an oil cylinder (27), which is connected to a connecting shaft (26) at the closed end of the carbonization furnace body (1) so that the carbonization furnace body (1) can move axially along the stirring, separating and activating cylinder (2).
  • an inner support ring (21) is arranged between the carbonization furnace body (1) and the stirring, separation and activation cylinder (2), and a ball bearing is arranged on the inner wall of the inner support ring (21) to facilitate the axial movement of the carbonization furnace body (1), and a space between the outer wall of the carbonization furnace body (1) and the inner wall of the stirring, separation and activation cylinder (2) is provided for the spiral conveying piece (20) to be arranged.
  • a control method for an activated carbon carbonization furnace comprises the following steps:
  • Step 1 After the material is loaded through the material filling port of the carbonization furnace body (1), the oil cylinder (27) enables the carbonization furnace body (1) to move axially along the stirring and separation activation cylinder (2) and enter the stirring and separation activation cylinder (2);
  • Step 2 After the open end (13) of the carbonization furnace body (1) is in sealing contact with the sealing plate (22) of the stirring and separation activation cylinder (2), vacuum is drawn through a vacuum pump and an air passage (11) to reduce the oxygen content in the carbonization furnace body (1);
  • Step 3 the heat resistance wire in the carbonization furnace body (1) starts to work to carbonize the material
  • Step 4 after carbonization is completed, the open end (13) of the carbonization furnace body (1) is separated from the sealing plate (22) of the stirring and separating activation cylinder (2);
  • Step 5 The carbonized material enters the stirring, separation and activation cylinder (2) from the carbonization furnace body (1) in coordination with the booster pump and the air channel (11);
  • Step 6 start the driving motor (25), and the rotating stirring and separating activation cylinder (2) conveys the carbonized material to the discharge port (28) through the spiral conveying piece (20) on its inner wall.
  • the spiral conveying piece (20) can break up the agglomerated material and activate it using the heat emitted by the carbonization furnace body (1).
  • step 3 the drive motor (25) is started, and the drive motor (25) causes the stirring and separation activation cylinder (2) to rotate, and the passive gear (32) is meshed with the second gear ring (31) so that the passive gear (32) and the stirring blade (34) can also rotate when the stirring and separation activation cylinder (2) rotates, thereby uniformly stirring the material in the carbonization furnace body and improving the carbonization quality.
  • the activated carbonization furnace of the present invention improves the coordination with the stirring and separation activation cylinder, and can realize multiple functions of stirring, output and activation, which greatly improves the quality of carbonization and activation and saves energy.
  • the rotation of the stirring and separating activation cylinder of the present invention can not only stir the materials in the carbonization furnace body, but also crush and output the materials, so that one object can be used for multiple purposes, saving the setting of components and cost expenditure.
  • the air duct of the present invention can generate positive pressure or negative pressure airflow, which can not only draw a vacuum, but also help blow the carbonized material out into the stirring, separation and activation cylinder.
  • FIG1 is a schematic diagram of a first working state of the activated carbon carbonization furnace of the present invention.
  • FIG2 is a schematic diagram of a second working state of the activated carbon carbonization furnace of the present invention.
  • FIG. 3 Schematic diagram of a spiral conveyor provided in the stirring and separation activation cylinder of the present invention
  • FIG. 4 Schematic diagram of the sealing plate structure of the present invention.
  • Figure 5 A schematic diagram of the position of the second gear ring in the present invention.
  • FIG. 6 Schematic diagram of the structure of the stirring mechanism in the present invention.
  • an activated carbon carbonization furnace includes a horizontally placed carbonization furnace body 1 and a horizontally placed stirring and separation activation cylinder 2, the two ends of the stirring and separation activation cylinder 2 are open and closed respectively, the two ends of the carbonization furnace body 1 are also open and closed respectively, and the carbonization furnace body 1 is also provided with a material filling port; the open end 13 of the carbonization furnace body 1 can enter the stirring and separation activation cylinder 2 and move axially along the stirring and separation activation cylinder 2, when the open end 13 of the carbonization furnace body 1 is in sealing contact with the sealing plate 22 of the stirring and separation activation cylinder 2 and vacuum is drawn, the thermal resistance wire in the carbonization furnace body 1 starts to work to carbonize the material.
  • the carbonization furnace body 1 is provided with an air passage 11, which can be connected to a booster pump or a vacuum pump through a three-way structure.
  • the carbonization furnace body 1 is also provided with a screen 12, one side of the screen 12 is the air passage 11, and the other side is the material.
  • It also includes an oil cylinder 27, which is connected to the connecting shaft 26 at the closed end of the carbonization furnace body 1 so that the carbonization furnace body 1 can move axially along the stirring and separation activation cylinder 2.
  • An inner support ring 21 is arranged between the carbonization furnace body 1 and the stirring and separation activation cylinder 2, and a ball is arranged on the inner wall of the inner support ring 21 to facilitate the axial movement of the carbonization furnace body 1.
  • a first gear ring 23 is provided on the outer wall of the closed end of the stirring and separation activation cylinder 2, and the meshing teeth are located on the outer ring of the first gear ring 23.
  • the rotating shaft of the driving motor 25 is connected to the driving gear 24, and the driving gear 24 is meshed with the first gear ring 23 so that the stirring and separation activation cylinder 2 can rotate in the outer support ring 29.
  • the space between the outer wall of the carbonization furnace body 1 and the inner wall of the stirring and separating activation cylinder 2 is provided for the spiral conveying piece 20.
  • the rotating stirring and separating activation cylinder 2 conveys the carbonized material to the discharge port 28 through the spiral conveying piece 20 on its inner wall.
  • the sealing plate 22 is provided with an annular sealing groove 221 , the size of which is compatible with the opening end 13 of the carbonizing furnace body 1 so that the opening end 13 of the carbonizing furnace body 1 can enter the sealing groove 221 , and a high temperature resistant metal sealing ring is provided in the sealing groove 221 .
  • it also includes a second gear ring 31, the meshing teeth are located on the inner ring of the second gear ring 31, the second gear ring 31 is located inside the first gear ring 23 and is fixed on the mounting platform and cannot rotate, the passive gear 32 is meshed with the second gear ring 31 so that the passive gear 32 can also rotate when the stirring and separation activation cylinder 2 rotates; one end of the stirring shaft 33 is connected to the passive gear 32 and passes through the closed end of the stirring and separation activation cylinder 2 and can extend into the carbonization furnace body 1, and the stirring blade 34 on the stirring shaft 33 can evenly stir the material in the carbonization furnace body 1.
  • the control method of the activated carbon carbonization furnace of the present invention comprises the following steps:
  • Step 1 After the material is loaded through the material filling port of the carbonization furnace body 1, the oil cylinder 27 enables the carbonization furnace body 1 to move axially along the stirring and separation activation cylinder 2 and enter the stirring and separation activation cylinder 2;
  • Step 2 after the open end 13 of the carbonization furnace body 1 is in sealing contact with the sealing plate 22 of the stirring separation activation cylinder 2, vacuum is drawn through the vacuum pump and the air passage 11 to reduce the oxygen content in the carbonization furnace body 1;
  • Step 3 the thermal resistance wire in the carbonization furnace body 1 starts to work to carbonize the material
  • Step 4 after carbonization is completed, the open end 13 of the carbonization furnace body 1 is separated from the sealing plate 22 of the stirring and separation activation cylinder 2;
  • Step 5 The carbonized material enters the stirring, separation and activation cylinder 2 from the carbonization furnace body 1 under the cooperation of the booster pump and the air channel 11;
  • Step 6 start the driving motor 25, and the rotating stirring and separating activation cylinder 2 conveys the carbonized material to the discharge port 28 through the spiral conveying piece 20 on its inner wall.
  • the spiral conveying piece 20 can break up the agglomerated material and activate it using the heat emitted by the carbonization furnace body 1.
  • step 3 the drive motor 25 is started, and the drive motor 25 causes the stirring and separation activation cylinder 2 to rotate, and the passive gear 32 is meshed with the second gear ring 31 so that the passive gear 32 and the stirring blade 34 can also rotate when the stirring and separation activation cylinder 2 rotates, thereby evenly stirring the material in the carbonization furnace body and improving the carbonization quality.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

La présente invention concerne un four de carbonisation de charbon actif, comprenant un corps de four de carbonisation placé horizontalement (1) et un cylindre d'activation d'agitation et de séparation placé horizontalement (2), une extrémité ouverte (13) du corps de four de carbonisation (1) pouvant entrer dans le cylindre d'activation d'agitation et de séparation (2) et se déplacer le long de la direction axiale du cylindre d'activation d'agitation et de séparation (2). Une fois l'extrémité ouverte (13) du corps de four de carbonisation (1) en contact étanche avec une plaque d'étanchéité (22) du cylindre d'activation d'agitation et de séparation (2), la mise sous vide est effectuée et les fils de résistance dans le corps de four de carbonisation (1) commencent à travailler pour carboniser un matériau ; lorsque l'extrémité ouverte (13) du corps de four de carbonisation (1) est séparée de la plaque d'étanchéité (22) du cylindre d'activation d'agitation et de séparation (2), le matériau carbonisé entre dans le cylindre d'activation d'agitation et de séparation (2) à partir du corps de four de carbonisation (1) et est transporté vers une sortie de matériau (28) au moyen d'une pièce de transport en spirale (20) sur la paroi interne du cylindre d'activation d'agitation et de séparation rotatif (2).
PCT/CN2023/118702 2023-06-20 2023-09-14 Four de carbonisation de charbon actif Ceased WO2024259811A1 (fr)

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CN202310735246.2A CN116730340B (zh) 2023-06-20 2023-06-20 一种活性炭炭化炉
CN202310735246.2 2023-06-20

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Publication number Priority date Publication date Assignee Title
CN116730340B (zh) * 2023-06-20 2024-02-02 北方民族大学 一种活性炭炭化炉

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CN116730340A (zh) * 2023-06-20 2023-09-12 卜春苗 一种活性炭炭化炉

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Publication number Priority date Publication date Assignee Title
JPH0711255A (ja) * 1993-06-25 1995-01-13 Toshio Maezato 炭化炉
CN112299414A (zh) * 2019-08-02 2021-02-02 中冶长天国际工程有限责任公司 一种活性炭生产装置及其炭化活化一体炉
CN110655078A (zh) * 2019-11-14 2020-01-07 合肥工业大学 一种干法连续制备活性炭的一体炉
CN215102010U (zh) * 2021-03-23 2021-12-10 宁夏天福盛源碳业有限公司 活性炭生产系统
CN216639383U (zh) * 2022-02-14 2022-05-31 南通普洛代尔智能装备有限公司 一种秸秆炭化炉
CN217127335U (zh) * 2022-03-01 2022-08-05 青岛科信新能源技术有限公司 一种带自动推料的炭化炉
CN116730340A (zh) * 2023-06-20 2023-09-12 卜春苗 一种活性炭炭化炉

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