CN110921662A - Rotary activation furnace for preparing high-activity coal-based activated carbon for desulfurization and denitrification - Google Patents

Rotary activation furnace for preparing high-activity coal-based activated carbon for desulfurization and denitrification Download PDF

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Publication number
CN110921662A
CN110921662A CN202010026021.6A CN202010026021A CN110921662A CN 110921662 A CN110921662 A CN 110921662A CN 202010026021 A CN202010026021 A CN 202010026021A CN 110921662 A CN110921662 A CN 110921662A
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section
activation
coal
activated carbon
furnace
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CN202010026021.6A
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Chinese (zh)
Inventor
刘俊
李俊华
刘晓庆
张利兵
李怀珠
张永发
王宏宇
葛士伟
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Shanxi Shunfuxiang Environmental Protection Science And Technology Co Ltd
Taiyuan University of Technology
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Shanxi Shunfuxiang Environmental Protection Science And Technology Co Ltd
Taiyuan University of Technology
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Publication of CN110921662A publication Critical patent/CN110921662A/en
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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
    • 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
    • C01B32/312—Preparation
    • C01B32/336—Preparation characterised by gaseous activating agents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/32—Arrangement of devices for charging
    • F27B7/3205—Charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/33—Arrangement of devices for discharging

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The invention belongs to the technical field of equipment for producing coal-based activated carbon activated materials, and particularly relates to a rotary activation furnace for preparing high-activity coal-based activated carbon for desulfurization and denitrification. Including the furnace body that can the rotation, the furnace body is including the guide section, the material raising preheating section, the activation section and the play material section that set gradually, and the height from the guide section to the play material section diminishes gradually in proper order, and the import department of guide section sets up screw feeder, and screw feeder connects into the hopper, and the import department lower part of guide sectionThe device is provided with a deposition chamber and is connected with a fuel gas outlet, a discharge section is connected with a combustion chamber, a discharge device is arranged at the bottom of the discharge section, and the discharge device is connected with a material guide device. The invention can effectively avoid excessive accumulation of the activation material and ensure 800-oThe C water vapor has enough reaction intensity and reaction time with the activated coal material.

Description

Rotary activation furnace for preparing high-activity coal-based activated carbon for desulfurization and denitrification
Technical Field
The invention belongs to the technical field of equipment for producing coal-based activated carbon activated materials, and particularly relates to a rotary activation furnace for preparing high-activity coal-based activated carbon for desulfurization and denitrification.
Background
The active carbon has a developed pore structure, a large specific surface area, high mechanical strength and excellent adsorption performance, and is widely applied to the fields of environmental protection, chemical industry, food industry, medical industry, mining industry, agriculture, catalysts and carriers thereof and the like.
In the preparation process of the activated carbon, carbon activation is a key process. Generally used carbon activation apparatuses are internal-heating and external-heating rotary furnaces. The external heating type rotary furnace heats materials by radiation of the furnace wall, high-temperature airflow is not directly contacted with the materials, the production of high-quality products is facilitated, and the material requirement of the rotary furnace is higher; the internal heating type rotary furnace directly heats materials by high-temperature flue gas flow, has simple operation and high yield, and is mostly used for producing the wood activated carbon. When the internal heating type rotary furnace is used for producing coal activated carbon, the defects of underdeveloped pore structure, low iodine adsorption value and the like exist in the produced product due to the fact that the temperature of reaction steam in the conventional activation furnace is not high enough and the reaction time of an activated material and the steam is short, so that the development of novel rotary activation furnace equipment with high automation degree, good product quality and high productivity is urgently needed.
Patent document with the application number of CN207435036U discloses a high-efficiency rotary steam activation furnace, wherein the inner wall of an activation furnace body is provided with a steam layer, and the inner wall of the steam layer is uniformly provided with a plurality of steam spray heads in a surrounding manner; a spiral steam pipeline is arranged in the activation furnace body and communicated with the steam layer, and a plurality of steam spray heads are uniformly arranged on the outer wall of the spiral steam pipeline in a surrounding manner; the design scheme of the invention can improve the contact area of the steam and the material, so that the steam and the material are fully contacted, and the activation effect is enhanced. However, in the patent, the abrasion of the coal material to the inner wall of the rotary furnace, the corrosion of high-temperature smoke and water vapor to the furnace body and the preheating of the water vapor are not considered comprehensively during the use of the rotary furnace.
Patent document CN109678156A discloses a rotary activation furnace for preparing high-quality coal-based activated carbon, which comprises a water vapor preheating device, an activation device, a feeding and discharging system and a main body part of the rotary activation furnace; the rotary activation furnace is characterized in that a steam preheating device is arranged in the rotary activation furnace and consists of a spiral stainless steel pipe of a furnace end, a special-shaped brick channel made of refractory castable on the inner surface of a hearth and a furnace end steam jet section made of silicon carbide in series; meanwhile, the carbonization material activation section adopts a special geometric structure consisting of a refractory castable and a silicon carbide material, so that the accumulation of coal materials can be effectively avoided, the full activation of the activation material and high-temperature steam at high temperature is ensured, and the capacity of the activated carbon is effectively increased. However, the consideration of preheating the steam in the rotary kiln is not comprehensive, and the corrosion of the steam pipeline and the spray head caused by high-temperature smoke and steam in the using process is not fully considered.
Disclosure of Invention
In order to solve the problems, the invention provides a rotary activation furnace for preparing high-activity coal-based activated carbon for desulfurization and denitrification.
The invention adopts the following technical scheme: the utility model provides a rotation activation furnace for preparing high activity SOx/NOx control is with coal base active carbon, including the furnace body that can the rotation, the furnace body is including the guide section that sets gradually, the material raising preheating section, activation section and ejection of compact section, highly degressive in proper order from the guide section to ejection of compact section, the import department of guide section sets up screw feeder, screw feeder connects into the hopper, the import department lower part of guide section sets up the deposit room, and with gas outlet connection, ejection of compact section is connected with the combustion chamber, ejection of compact section bottom sets up discharging device, discharging device connects the guide device.
Furthermore, the material guiding section is made of refractory casting materials, a trapezoid step is arranged on the inner surface of the material guiding section, the trapezoid step is in a slope shape with a face angle, refractory materials are adopted to be built in a cavity, and the face of the slope of the trapezoid step is consistent with the rotating direction of the whole structure.
Furthermore, the material raising preheating section comprises a steel pipe arranged on the outer side, refractory materials are poured in the steel pipe, stainless steel welding nails are arranged in the refractory materials, a trapezoidal step is arranged on the inner surface of the material raising carbonization section and is in a slope shape with a face angle, the refractory materials are adopted to be poured in a cavity, and the slope face of the trapezoidal step is consistent with the rotating direction of the integral structure.
Furthermore, a plurality of mullite Al are arranged in the activation section2O3-SiO2The activation trough of refractory castable sets up the stainless steel welding nail in the activation trough, and it has the vapor delivery pipeline to inlay in the activation trough, is provided with the vapor shower nozzle on the vapor delivery pipeline, and the vapor shower nozzle is inside the switch-on with the activation section, and the vapor delivery pipeline is connected with the vapor import.
Furthermore, a combustion chamber gas distributor is arranged at the outlet end of the combustion chamber, a gas burner is arranged at the inlet of the combustion chamber, a water vapor preheating pipe is arranged in the combustion chamber, one end of the water vapor preheating pipe is connected with the water vapor inlet, and the other end of the water vapor preheating pipe is connected with a water vapor conveying pipeline.
Compared with the prior art, the coal-based activated carbon product for high-activity desulfurization and denitrification with better iodine value and specific surface area can be prepared by adopting the water vapor preheating device with special structure and material and the coal material activation section in the rotary activation furnace. The main advantages are that: 1. through the steam preheating device, the furnace is mainly formed by connecting a spiral wound stainless steel pipe of a furnace end, a special-shaped brick channel on the inner surface of a hearth and a steam injection section made of silicon carbide in series, the temperature of the steam is sequentially increased in the three sections, and the final temperature is 800-900 DEG CoC, efficiently and quickly contacting and activating the water vapor and the carbonized material; 2. the carbonization material activation section adopts a special geometric structure consisting of a refractory castable and a silicon carbide material, so that the accumulation of coal materials can be effectively avoided, and the full reaction contact of water vapor and the coal materials is ensured; 3. the high-temperature resistant water vapor spray head is made of silicon carbide, the activation groove corresponding to the water vapor spray head adopts a special bowling ball structure, the excessive accumulation of the activation material can be effectively avoided, and 800-900-oThe C water vapor has enough reaction intensity and reaction time with the activated coal material.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a radial cross-sectional view of the material guiding section;
FIG. 3 is a radial section view of the material raising preheating section;
FIG. 4 is a radial cross-sectional view of the activation section;
FIG. 5 is a radial cross-sectional view of the discharge section;
1. a feed hopper; 2. a screw feeder; 3. a material guiding section; 4. a material raising preheating section; 5. a water vapor nozzle; 6. an activation section; 7. a water vapor delivery conduit; 8. a discharging section; 9. a water vapor injection port; 10. a combustor gas distributor; 11. a combustion chamber; 12. a steam preheating pipe; 13. a gas burner; 14. raw coke oven gas generated by an external coke oven gas or a carbonization chamber; 15. a water vapor inlet; 16. a base; 17. a material guiding device; 18. a discharging device; 19. a deposition chamber; 20. a gas outlet; 21. refractory castable; 22. a spiral material guide chute; 23. stainless steel welding nails; 24. and an activation tank.
Detailed Description
As shown in fig. 1, a rotary activation furnace for preparing high-activity desulfurization and denitrification coal-based activated carbon, comprises a furnace body capable of rotating, the furnace body comprises a material guide section 3, a material raising preheating section 4, an activation section 6 and a material discharging section 8 which are sequentially arranged, an inlet of the material guide section 3 is provided with a spiral feeder 2, the spiral feeder 2 is connected with a material inlet hopper 1, the lower part of the inlet of the material guide section 3 is provided with a deposition chamber 19 and is connected with a gas outlet 20, the material discharging section 8 is connected with a combustion chamber 11, the bottom of the material discharging section 8 is provided with a material discharging device 18, and the material discharging device 18 is connected with a material guiding device 17.
The material guiding section 3 is made of refractory casting materials, a trapezoid step is arranged on the inner surface of the material guiding section, the trapezoid step is in a slope shape with a face angle, refractory materials are adopted to be built in a cavity, and the slope face of the trapezoid step is consistent with the rotating direction of the whole structure.
The material raising preheating section 4 comprises a steel pipe arranged on the outer side, refractory materials are poured in the steel pipe, stainless steel welding nails 23 are arranged in the refractory materials, a trapezoidal step is arranged on the inner surface of the material raising carbonization section 4, the trapezoidal step is in a slope shape with a face angle, the refractory materials are adopted to be built in a cavity, and the slope face of the trapezoidal step is consistent with the rotation direction of the integral structure.
A plurality of mullite Al are arranged in the activation section 62O3-SiO2The activating tank 24 of the refractory castable, the stainless steel welding nails 23 are arranged in the activating tank 24, the steam conveying pipeline 7 is embedded in the activating tank 24, the steam conveying pipeline 7 is provided with a steam nozzle 5, the steam nozzle 5 is communicated with the inside of the activating section 6, and the steam conveying pipeline 7 is connected with the steam inlet 15.
The outlet end of the combustion chamber 11 is provided with a combustion chamber gas distributor 10, the inlet of the combustion chamber 11 is provided with a gas burner 13, the combustion chamber 11 is internally provided with a steam preheating pipe 12, one end of the steam preheating pipe 12 is connected with a steam inlet 15, and the other end of the steam preheating pipe 12 is connected with a steam conveying pipeline 7.
The inside of the whole rotary activation furnace consists of a material guiding section, a material raising preheating section, an activation section and a material discharging section; the water vapor preheating device and the coal activation section which are of special structures and materials are adopted, so that the temperature of the activated water vapor can reach 800-900 DEGoAnd C, the coal material and the high-temperature steam can be fully activated at high temperature, and compared with the existing rotary activation furnace, the product obtained by the activation furnace has better iodine value and specific surface area, and can be used for producing high-quality coal-based activated carbon.
The material guiding section is made of refractory casting materials, the water vapor heat exchange tube in the middle of the material guiding section is made of a stainless steel tube made of 06Cr25Ni20 (GB/T20878-2007), and heat insulation layers are arranged outside the rotary furnace.
The interior of the material raising preheating section adopts a stainless steel pipe (a stainless steel pipe of 06Cr25Ni20 (GB/T20878-2007)) and a refractory castable material (mullite Al2O3-SiO2Refractory castable), vapor leads to the activation section through the stainless steel pipe of inlaying in refractory castable, and this material raising preheating section effective length is 6~8 meters, adopts the cockscomb structure, can guarantee that activation material fully throws in inside, and hot flue gas contacts with the material adverse current, has increased the area of contact of carbomorphism raw materials with the flue gas like this, can guarantee that activation coal charge and vapor progressively preheat to 600oC。
The carbonization material activation section adopts composite material of refractory castable and silicon carbide, wherein the water vapor pipeline and the activation tank adopt mullite Al2O3-SiO2The refractory castable can ensure that the rotary furnace has better wear-resisting strength and service life; the high-temperature resistant water vapor nozzle is made of silicon carbide, so that 800-900-oC。
The length of the internal activation section of the rotary activation furnace is 8-10 m.
The activation groove corresponding to the water vapor injection head adopts a special bowling structure, can effectively avoid excessive accumulation of the activation material, and ensures 800-900-oThe C water vapor has enough reaction intensity and reaction time with the activated coal material.
The activated steam enters the rotary carbonization furnace from the furnace end and is gradually preheated to 800-oC, after the furnace end is converged with the flue gas generated by the combustion chamber, the flue gas is further contacted and reacted with the activated coal material in a counter-current manner, and finally the unreacted steam and the combustion flue gas are activated to generate CO + H2The gas is led out from the furnace tail together and enters the incinerator.
Activated coal enters the rotary activation furnace from the furnace tail through a feed hopper and a spiral feeder, then reaches the activation section after sequentially passing through a material guiding section and a material lifting preheating section, reaches the material discharging section of the furnace head after completing the activation process, and is finally conveyed to a screening and packaging working section through material discharging equipment and a material collecting and guiding device.
The discharge section is made of refractory castable with a smooth surface, and the right end of the discharge section is connected with discharge equipment.
The method comprises the steps that an activated raw material is in countercurrent contact with mixed gas of water vapor and hot flue gas in the whole rotary activation furnace system, the activated raw material obtained through a carbonization section is firstly fed into a rotary activation furnace through a feed hopper 1 and then enters the rotary activation furnace through a spiral feeder 2, then sequentially passes through a material guide section 3 (the structure of the material guide section is shown in figure 2), a material raising preheating section 4 (the structure of the material raising preheating section is shown in figure 3) and an activation section 6 (the structure of the activation section is shown in figure 4), finally reaches a material discharging section 8 (the structure of the material discharging section is shown in figure 5), the lower end of the material discharging section 8 is connected with a material discharging device 18, and then enters a product screening and packaging section through a; the furnace head part is divided into a combustion chamber 11, and in the combustion chamber, external fuel gas 14 is generally coke oven gas or raw coke oven gas generated in a carbonization section, and the temperature after combustion is about 900-1000 DEGoC, the hot flue gas firstly passes through the discharge section 8 and 800-900 sprayed by the high-temperature steam spray head 5oC, converging, then sequentially passing through an activation section 6, a material raising preheating section 4 and a material guiding section 3, and finally leading out the tail gas generated by the activation section from a tail gas outlet 20 generated by the activation section.
In specific implementation, the activated raw material prepared by the carbonization section firstly passes through the feed hopper 1, then enters the rotary activation furnace through the spiral feeder 2, and then passes through the material guide section 3 and the material raising preheating section 4 in sequence; passing through a material raising preheating section 4 for activationThe coal material is in countercurrent contact with the mixed gas flow of hot smoke and water vapor, and the activated coal material is heated and preheated to 500-600 ℃ in the sectionoC; meanwhile, the steam entering the furnace passes through the steam preheating pipe 12, the steam conveying pipe 7 in the hearth and the high-temperature-resistant steam nozzle 5, and the temperature of the steam rises to 800-900 DEGoAnd C, finally carrying out deep activation pore-forming on the preheated activation materials conveyed from the activation section 6 and the material raising preheating section 4, and conveying the finally obtained high-quality activated carbon into the discharging section 8, then passing through a discharging device 18 and a material guiding device 17, and then conveying the activated carbon to a screening and packaging working section through a material belt conveyor.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the present invention without departing from the scope of the present invention as defined in the appended claims.

Claims (5)

1. The utility model provides a rotation activation furnace for preparing high activity is coal-based activated carbon for SOx/NOx control which characterized in that: including the furnace body that can the rotation, the furnace body is including the guide section (3) that sets gradually, raise material preheating section (4), activation section (6) and ejection of compact section (8), highly degressive in proper order from guide section (3) to ejection of compact section (8), the import department of guide section (3) sets up screw feeder (2), screw feeder (2) connect into hopper (1), the import department lower part of guide section (3) sets up deposit room (19), and be connected with gas outlet (20), ejection of compact section (8) are connected with combustion chamber (11), ejection of compact section (8) bottom sets up discharging device (18), discharging device (18) connect guide device (17).
2. The rotary activation furnace for preparing the coal-based activated carbon for high-activity desulfurization and denitrification as set forth in claim 1, wherein: the material guiding section (3) is made of refractory casting materials, a trapezoid step is arranged on the inner surface of the material guiding section, the trapezoid step is in a slope shape with a face angle, refractory materials are adopted to be built in a cavity, and the face of the slope of the trapezoid step is consistent with the rotating direction of the whole structure.
3. The rotary activation furnace for preparing the coal-based activated carbon for high-activity desulfurization and denitrification as set forth in claim 1, wherein: the material raising preheating section (4) comprises a steel pipe arranged on the outer side, refractory materials are poured in the steel pipe, stainless steel welding nails (23) are arranged inside the refractory materials, a trapezoidal step is arranged on the inner surface of the material raising carbonization section (4), the trapezoidal step is in a slope shape with a face angle, the refractory materials are adopted to be built in a cavity, and the slope face of the trapezoidal step is consistent with the rotating direction of the integral structure.
4. The rotary activation furnace for preparing the coal-based activated carbon for high-activity desulfurization and denitrification as set forth in claim 1, wherein: a plurality of mullite Al are arranged in the activation section (6)2O3-SiO2The activating device comprises an activating groove (24) made of refractory castable, wherein a stainless steel welding nail (23) is arranged in the activating groove (24), a water vapor conveying pipeline (7) is embedded in the activating groove (24), a water vapor nozzle (5) is arranged on the water vapor conveying pipeline (7), the water vapor nozzle (5) is communicated with the inside of an activating section (6), and the water vapor conveying pipeline (7) is connected with a water vapor inlet (15).
5. The rotary activation furnace for preparing the coal-based activated carbon for high-activity desulfurization and denitrification as set forth in claim 4, wherein: the combustion chamber gas distributor (10) is arranged at the outlet end of the combustion chamber (11), the gas burner (13) is arranged at the inlet of the combustion chamber (11), the steam preheating pipe (12) is arranged in the combustion chamber (11), one end of the steam preheating pipe (12) is connected with the steam inlet (15), and the other end of the steam preheating pipe is connected with the steam conveying pipeline (7).
CN202010026021.6A 2019-11-15 2020-01-10 Rotary activation furnace for preparing high-activity coal-based activated carbon for desulfurization and denitrification Pending CN110921662A (en)

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CN2019111163772 2019-11-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113620292A (en) * 2021-09-09 2021-11-09 江苏恒源活性炭有限公司 Powdered activated carbon regeneration system and regeneration method

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Publication number Priority date Publication date Assignee Title
JP2000154012A (en) * 1998-11-13 2000-06-06 Keihanna Kankyo Kk Process and equipment for producing active carbon
CN106622121A (en) * 2015-11-02 2017-05-10 杭州科瑞特环境技术有限公司 Saturated activated carbon regeneration system with low energy consumption and method thereof
CN207016493U (en) * 2017-06-06 2018-02-16 杭州润洁炭素科技有限公司 A kind of low energy consumption internal heating formula rotary furnace regenerated carbon device
CN207313143U (en) * 2017-10-20 2018-05-04 黄亚祥 Steam conveying, overheat and the cloth vapour system of activated carbon external-heating revolving activation furnace
CN109678156A (en) * 2019-01-09 2019-04-26 清华大学 A kind of revolving activation furnace preparing high-quality active carbon from coal
CA3083272A1 (en) * 2017-11-30 2019-06-06 Bygen Pty Ltd Apparatus and method of producing activated carbon material
CN212101999U (en) * 2019-11-15 2020-12-08 太原理工大学 Rotary activation furnace for preparing high-activity coal-based activated carbon for desulfurization and denitrification

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000154012A (en) * 1998-11-13 2000-06-06 Keihanna Kankyo Kk Process and equipment for producing active carbon
CN106622121A (en) * 2015-11-02 2017-05-10 杭州科瑞特环境技术有限公司 Saturated activated carbon regeneration system with low energy consumption and method thereof
CN207016493U (en) * 2017-06-06 2018-02-16 杭州润洁炭素科技有限公司 A kind of low energy consumption internal heating formula rotary furnace regenerated carbon device
CN207313143U (en) * 2017-10-20 2018-05-04 黄亚祥 Steam conveying, overheat and the cloth vapour system of activated carbon external-heating revolving activation furnace
CA3083272A1 (en) * 2017-11-30 2019-06-06 Bygen Pty Ltd Apparatus and method of producing activated carbon material
CN109678156A (en) * 2019-01-09 2019-04-26 清华大学 A kind of revolving activation furnace preparing high-quality active carbon from coal
CN212101999U (en) * 2019-11-15 2020-12-08 太原理工大学 Rotary activation furnace for preparing high-activity coal-based activated carbon for desulfurization and denitrification

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113620292A (en) * 2021-09-09 2021-11-09 江苏恒源活性炭有限公司 Powdered activated carbon regeneration system and regeneration method
CN113620292B (en) * 2021-09-09 2022-04-15 江苏恒源活性炭有限公司 Powdered activated carbon regeneration system and regeneration method

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