CN210340343U - Continuous production line for preparing activated carbon from microwave carbonized coal - Google Patents

Continuous production line for preparing activated carbon from microwave carbonized coal Download PDF

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Publication number
CN210340343U
CN210340343U CN201920888687.5U CN201920888687U CN210340343U CN 210340343 U CN210340343 U CN 210340343U CN 201920888687 U CN201920888687 U CN 201920888687U CN 210340343 U CN210340343 U CN 210340343U
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coal
microwave
assembly
production line
microwave heating
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刘西叶
王晓影
张良学
杜俊磊
孙贤安
王光见
管仁斌
张良玉
姜志强
刘伟
贾鲁需
刘尧
孙鑫宇
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Shandong Kelangte Microwave Equipment Co ltd
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Shandong Kelangte Microwave Equipment Co ltd
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/318Preparation characterised by the starting materials
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/04Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The utility model provides a microwave carbonization coal system active carbon serialization production line. The equipment comprises an extruded coal forming assembly, a coal conveying assembly and a coal conveying assembly, wherein the extruded coal forming assembly is used for crushing coal blocks and extruding the crushed coal blocks to form coal blocks with set shapes; the microwave heating assembly is used for heating the coal briquettes by microwaves so as to carbonize the coal briquettes; the air treatment assembly is used for harmlessly treating gas generated in the microwave heating process of the coal briquette and recovering coal tar in the gas. The processing efficiency of a continuous production line for preparing the activated carbon by using the microwave carbonized coal is improved, the pollution is reduced, and the processing purpose of environmental protection is achieved.

Description

Continuous production line for preparing activated carbon from microwave carbonized coal
Technical Field
The utility model relates to a microwave technical field especially relates to a microwave carbonization coal system active carbon serialization production line.
Background
Activated carbon is an artificial carbon material product with a highly developed pore structure and an extremely large internal surface area, and the most remarkable characteristic of the activated carbon is adsorption, and various substances can be adsorbed from a gas phase or a liquid phase. Technologies for producing activated carbon using coal as a raw material are being gradually popularized, for example: chinese patent No. 201510589610.4 discloses a briquetted activated carbon prepared by using weak caking coal as main material and blending coal, a preparation method and application thereof, and mainly discloses that caking coal is used for forming briquettes, and carbonization and activation are carried out in a high-temperature environment. However, in the actual processing process, the briquetting forming and the briquette heating for carbonization and activation need to be carried out by different equipment, and continuous processing equipment cannot be realized, so that the processing efficiency is low; meanwhile, the flue gas generated in the heating process of the pressing block causes pollution to the environment. How to design a machining efficiency height and pollute the coal system active carbon processing technology who is light in order to reach green is the utility model discloses the technical problem that will solve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a microwave carbonization coal system active carbon serialization production line realizes improving the machining efficiency of microwave carbonization coal system active carbon serialization production line to reduce pollution reaches green's processing purpose.
The utility model provides a microwave carbonization coal system active carbon serialization production line, include:
the extruded coal forming assembly is used for crushing and extruding the coal briquettes to form coal briquettes with a set shape;
the microwave heating assembly is used for heating the coal briquettes by microwaves so as to carbonize the coal briquettes;
the air treatment assembly is used for harmlessly treating gas generated in the microwave heating process of the coal briquette and recovering coal tar in the gas.
Further, the microwave heating assembly comprises a microwave heating tunnel for microwave heating, and a first microwave generator for microwave heating of the coal briquette is arranged in the microwave heating tunnel; the continuous production line for preparing the activated carbon from the microwave carbonized coal further comprises a steam generation assembly, wherein the steam generation assembly is used for heating water to generate steam and forming protective air curtains at two end parts of the microwave heating tunnel by utilizing the steam.
Furthermore, the steam generation assembly comprises a water tank, a heating module and two steam box bodies, wherein the heating module is used for heating water in the water tank to generate steam and conveying the steam into the steam box bodies, the steam box bodies are arranged at the corresponding end parts of the microwave heating tunnel, and the microwave heating assembly further comprises a conveying belt which penetrates through the microwave heating tunnel and the steam box bodies; the heating module is an electric heating pipe arranged in the water tank, or the heating module is a second microwave generator arranged outside the water tank.
Further, the air processing assembly comprises a first fan, a tar recovery module and a connecting pipeline, the tar recovery module comprises a tar recovery box, a condenser and an electric tar precipitator, the condenser comprises a shell and a plurality of condenser pipes arranged in the shell, two sealing pipe plates are arranged in the shell, a water cavity is formed in the shell between the two sealing pipe plates, an air inlet cavity is formed in the shell at one region outside the sealing pipe plates, an air outlet cavity is formed in the shell at the other region outside the sealing pipe plates, an inlet pipe and an outlet pipe communicated with the water cavity are further arranged on the shell, an air inlet pipe communicated with the air inlet cavity is further arranged on the shell, an air outlet pipe communicated with the air outlet cavity is further arranged on the shell, and the condenser pipes are sealed to penetrate through the two sealing pipe plates, the condenser pipe communicates the air inlet cavity and the air outlet cavity, an oil outlet pipe communicated with the air inlet cavity is arranged at the bottom of the shell, the air inlet pipe is connected with the first fan, the first fan is communicated with the microwave heating tunnel through the connecting pipeline, the air outlet pipe is connected with an air inlet of the electric tar precipitator, an oil outlet of the electric tar precipitator is connected with the tar recovery box, and the oil outlet pipe is connected with the tar recovery box.
Furthermore, an air outlet of the electrical tar precipitator is also connected with a waste gas incinerator.
Furthermore, the extruded coal forming assembly comprises an installation support, and a crushing mechanism and an extrusion forming mechanism which are arranged on the installation support, wherein the crushing mechanism is used for crushing and conveying coal blocks to the extrusion forming mechanism, and the extrusion forming mechanism is used for extruding the crushed coal blocks to form coal blocks; the crushing mechanism is a toothed roll crusher, the extrusion forming mechanism comprises a storage bin and two compression rollers arranged in a discharge hole at the bottom of the storage bin, the two compression rollers are arranged side by side and attached together, and a plurality of grooves are formed in the circumferential surface of each compression roller; and a conveying belt is arranged between a feed opening of the toothed roller crusher and the storage bin.
Further, the extrusion coal shaping subassembly still is provided with the dust absorption and purifies the subassembly, the dust absorption purifies the subassembly and includes dust absorption wind channel, second fan and shower, the second fan sets up in the dust absorption wind channel, the air intake in dust absorption wind channel is provided with the suction hood, the suction hood is located the top of fluted roller breaker, the air outlet in dust absorption wind channel is provided with the shower, the air outlet in dust absorption wind channel is located the top of feed bin.
Furthermore, the dust collection and purification assembly further comprises a shielding cover, the shielding cover is slidably arranged on the mounting bracket, and an air cylinder for driving the shielding cover to move between the upper part of the toothed roller crusher and the upper part of the storage bin is further arranged on the mounting bracket; the shielding cover is provided with a vent, and the vent is used for being communicated with an air outlet of the dust collection air duct.
The microwave heating tunnel is characterized by further comprising a cooling assembly, wherein the cooling assembly is positioned at a discharge port of the microwave heating tunnel and comprises an outer sleeve, an inner sleeve and an auger, the inner sleeve is arranged in the outer sleeve, the inner sleeve is arranged between the outer sleeves to form a cooling water cavity, the outer sleeve is also provided with a water inlet and a water outlet which are communicated with the cooling water cavity, and the auger is rotatably arranged in the inner sleeve; the conveying belt is also used for conveying the formed active carbon output from the microwave heating tunnel to the inner sleeve.
The utility model provides a microwave carbonization coal system active carbon serialization production line, through increasing the air treatment subassembly, the air treatment subassembly can inhale the tar flue gas that produces among the coal briquetting microwave heating process and carry out tar seizure for the flue gas that the outer row discharged to the atmosphere contains extremely low tar volume and reaches no tar content even, with the pollution of effectual reduction to the environment, reaches green's processing purpose. Meanwhile, the coal briquette is crushed and molded on line by extruding the coal molding assembly, and is preheated by being matched with the steam generation assembly for humidification, so that the carbonization and activation efficiency of the coal briquette is improved, and the processing efficiency is integrally improved.
Drawings
FIG. 1 is a schematic structural view of the continuous production line for preparing activated carbon from microwave carbonized coal of the present invention;
FIG. 2 is a schematic structural view of an extruded coal forming assembly in the continuous production line for preparing activated carbon from microwave carbonized coal according to the present invention;
FIG. 3 is a partial cross-sectional view of the steam generation assembly in the continuous production line for preparing activated carbon from microwave carbonized coal according to the present invention;
FIG. 4 is a schematic structural view of a condenser in the continuous production line for preparing activated carbon from microwave carbonized coal according to the present invention;
FIG. 5 is a sectional view of a condenser in the continuous production line for preparing activated carbon from microwave carbonized coal according to the present invention;
FIG. 6 is a schematic structural view of a compression roller in the continuous production line for preparing activated carbon from microwave carbonized coal of the present invention;
figure 7 is the utility model discloses cooling module's in the microwave carbonization coal system active carbon serialization production line structural schematic.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-7, the continuous production line for preparing activated carbon by microwave carbonization of coal in the present embodiment includes an extruded coal forming assembly 1, a microwave heating assembly 3 and an air processing assembly 4; the extruded coal forming assembly 1 is used for crushing coal blocks and extruding the crushed coal blocks to form coal briquettes with a set shape; the microwave heating assembly 3 is used for heating the coal briquettes by microwave to carbonize the coal briquettes; the air treatment component 4 is used for harmlessly treating gas generated in the microwave heating process of the coal briquettes and recovering coal tar in the gas.
Specifically, this embodiment microwave carbonization coal system active carbon serialization production line realizes smashing the coal cinder on line and extrudeing through extrusion coal shaping subassembly 1 and forms the coal briquetting, the coal briquetting enters into microwave heating subassembly 3 and utilizes the microwave to come high efficiency heating coal briquetting, so that the coal briquetting can rapid heating up the carbonization, and contain a large amount of coal tar etc. compositions in the produced gas of process through microwave heating coal briquetting, air treatment subassembly 4 can carry out recovery processing to the coal tar that contains in the gas, the purification of having realized the air is in order to reduce the pollution to the environment. Specifically, the extruded coal forming assembly 1 comprises a mounting bracket 11, and a crushing mechanism 12 and an extrusion forming mechanism 13 which are arranged on the mounting bracket 11, wherein the crushing mechanism 12 is used for crushing and conveying coal blocks to the extrusion forming mechanism 13, and the extrusion forming mechanism 13 is used for extruding the crushed coal to form coal blocks; the microwave heating assembly 3 comprises a microwave heating tunnel 31 and a conveying belt 32, wherein a first microwave generator (not shown) for microwave heating of the coal briquettes is arranged in the microwave heating tunnel 31; the air processing assembly 4 comprises a first fan (not shown), a tar recovery module 41 and a connecting pipeline 42, the tar recovery module 41 comprises a tar recovery box, a condenser 411 and an electric tar precipitator 412, the condenser 411 comprises a shell (not marked) and a plurality of condenser pipes 400 arranged in the shell, two sealing pipe plates (not marked) are arranged in the shell, a water cavity is formed in the region between the two sealing pipe plates in the shell, the shell is arranged at one of the regions outside the sealing pipe plates to form an air inlet cavity, the shell is arranged at the other region outside the sealing pipe plates to form an air outlet cavity, the shell is further provided with an inlet pipe and an outlet pipe which are communicated with the water cavity, the shell is further provided with an inlet pipe 401 communicated with the air inlet cavity, and the shell is further provided with an air outlet pipe 402 communicated with the air outlet cavity, the condenser pipe is sealed to penetrate through two sealing pipe plates, wherein a plurality of insertion holes are formed in the sealing pipe plates, the condenser pipe 400 is sealed and inserted in the corresponding insertion holes, the condenser pipe 400 is communicated with the air inlet cavity and the air outlet cavity, an oil outlet pipe 403 communicated with the air inlet cavity is arranged at the bottom of the shell, the air inlet pipe 401 is connected with the first fan, the first fan is communicated with the microwave heating tunnel 31 through the connecting pipeline 42, the air outlet pipe 402 is connected with an air inlet of the electric tar precipitator 412, an oil outlet of the electric tar precipitator 412 is connected with the tar recovery box, and the oil outlet pipe 403 is connected with the tar recovery box. The tar smoke generated by heating the coal briquette enters the air processing assembly 4, the tar smoke enters the condenser 411 under the action of the first fan, cooling water flows outside the condensation pipe 400 in the condenser 411, so that the tar smoke flowing through the condensation pipe 400 is subjected to condensation processing, the tar is condensed on the pipe wall of the condensation pipe 400 and slides to the bottom of the shell of the condenser 411 by using gravity, finally the tar flows into the tar recovery box through the oil outlet pipe 403, a small amount of tar is also contained in the gas output from the condenser 411, the tar is further removed by using the tar precipitator 412, the purification of the discharged gas is realized, the pollution to the environment is reduced, and the tar captured in the electric tar precipitator 412 is collected and flows into the tar recovery box. Preferably, the air outlet of the electrical tar precipitator 412 is further connected to a waste gas incinerator (not shown), the gas treated by the electrical tar precipitator 412 also contains combustible harmful gas such as carbon monoxide, and the gas output from the electrical tar precipitator 412 is incinerated by the waste gas incinerator to be discharged harmlessly.
Further, in order to ensure that the generated gas is not combusted due to contact with oxygen in the microwave heating process, the continuous production line for preparing activated carbon from microwave carbonized coal in the embodiment further includes a steam generating assembly 2, the steam generating assembly 2 is used for heating water to generate steam and forms protective air curtains at two end portions of the microwave heating tunnel 31 by using the steam, specifically, the steam generating assembly 2 forms the protective air curtains at two end portions of the microwave heating tunnel 31 by heating water to generate a large amount of steam, so as to prevent external air from entering the microwave heating tunnel 31, and meanwhile, the steam generated by the steam generating assembly 2 enters the microwave heating tunnel 31 to supplement the gas. Wherein the steam generating component 2 comprises a water tank 21, a heating module 22 and two steam boxes 23, the heating module 22 is used for heating water in the water tank 21 to generate steam and delivering the steam to the corresponding steam boxes 23 through corresponding pipelines; the steam box body 23 is arranged at the corresponding end part of the microwave heating tunnel 31 to form an air curtain at the port of the microwave heating tunnel 31 through the steam box body 23, the conveyor belt 32 penetrates through the microwave heating tunnel 31 and the steam box body 23, the conveyor belt 31 is used for conveying coal briquettes output by the extruded coal forming assembly 1 to pass through the steam box body 23, the microwave heating tunnel 31 and another steam box body 23 in sequence, and water in the water tank 21 in the steam generating assembly 2 is heated by the heating module 22 to form hot steam to enter the steam box body 23, wherein the heating module 22 can be an electric heating pipe arranged in the water tank 21; alternatively, the heating module is a second microwave generator disposed outside the water tank 21. Steam in the steam box body 23 at the inlet end part of the microwave heating tunnel 31 meets coal briquettes at normal temperature, the steam can preheat the coal briquettes on one hand, and the steam can humidify the coal briquettes when meeting cold on the other hand, so that moisture in the coal briquettes can further improve the heating efficiency of the coal briquettes to realize carbonization and activation of the coal briquettes when the coal briquettes enter the microwave heating tunnel 31 for microwave heating; when the coal briquettes are output from the steam box 23 at the outlet end of the microwave heating tunnel 31 after being carbonized to form activated carbon, steam is subjected to the activated carbon due to the high temperature of the activated carbon and then is evaporated in an accelerated manner.
The crushing mechanism 12 in the extruded coal forming assembly 1 can be a toothed roller crusher, coal briquettes are crushed into coal dust by the toothed roller crusher, the extrusion forming mechanism 13 comprises a storage bin (not marked) and two compression rollers 131 arranged in a discharge hole at the bottom of the storage bin, the two compression rollers 131 are arranged side by side and attached together, and a plurality of grooves 132 are formed in the circumferential surface of each compression roller 131; a conveying belt (not shown) is arranged between a feed opening of the toothed roll crusher and the bin, the crushing mechanism 12 crushes the coal briquettes into coal dust, and then the coal dust is conveyed into the bin of the extrusion forming mechanism 13 through the conveying belt, and the two pressing rollers 131 are used for performing rolling treatment, so that the coal briquettes are extruded in the grooves 132 of the pressing rollers 131. Preferably, in order to reduce the pollution of coal dust to the environment during the coal briquette processing, extrusion coal forming subassembly 1 still is provided with dust absorption and purification subassembly 14, dust absorption and purification subassembly 14 includes dust absorption wind channel 141, second fan (not marked) and shower 142, the second fan sets up in the dust absorption wind channel 141, the air intake in dust absorption wind channel 141 is provided with suction hood 143, suction hood 143 is located the top of fluted roller crusher 12, the air outlet in dust absorption wind channel 141 is provided with shower 142, the air outlet in dust absorption wind channel 141 is located the top of feed bin, specifically, the dust that produces at the crushing coal briquette in-process inhales dust absorption wind channel 141 to cooperate shower 142 to spray and realize dustless operation. Preferably, the dust collection and purification assembly 14 further comprises a shielding cover 144, the shielding cover 144 is slidably disposed on the mounting bracket 11, and an air cylinder 145 for driving the shielding cover 144 to move between the upper side of the toothed roller crusher and the upper side of the storage bin is further disposed on the mounting bracket 11; the shielding cover 144 is provided with a vent for communicating with an air outlet of the dust collection air duct 141, specifically, in the process of crushing coal blocks by the toothed roller crusher, the shielding cover 144 is moved above the toothed roller crusher to shield an inlet of the roller crusher, the shielding cover 144 is used for blocking coal dust from overflowing, at the moment, the second fan is operated at a low gear to perform dust collection treatment by the dust collection air duct 141, leakage of the coal dust is further reduced, and in the actual use process, the air blowing rate of the second fan is determined on the premise of avoiding impact on the crushed coal in the storage bin; when the coal briquette needs to be supplemented, the shielding cover 144 is moved to the upper part of the storage bin, at the moment, the air outlet of the dust air duct 141 is communicated with the air vent, the second fan runs at a high level to more effectively perform dust collection treatment, and meanwhile, the spraying amount of the spraying pipe 142 is increased to effectively inhibit the storage bin from generating excessive dust due to the influence of the air flow blown out by the dust collection air duct 141.
Furthermore, in order to rapidly cool the processed and formed activated carbon output from the microwave heating tunnel 31, the continuous production line for preparing activated carbon from microwave carbonized coal of the embodiment further includes a cooling assembly 5, the cooling assembly 5 is located at the discharge port of the microwave heating tunnel 31, the cooling assembly 5 includes an outer sleeve 51, an inner sleeve 52 and an auger 53, the inner sleeve 52 is disposed in the outer sleeve 51, the inner sleeve 52 is disposed between the outer sleeve 51 to form a cooling water cavity 50, the outer sleeve 51 is further provided with a water inlet 521 and a water outlet 522 communicating with the cooling water cavity 50, and the auger 53 is rotatably disposed in the inner sleeve 52; conveyer belt 32 still is used for following the machine-shaping's of output active carbon is carried in microwave heating tunnel 31 in inner skleeve 52, it is concrete, the coal briquetting carries out the final active carbon that forms after the microwave heating in microwave heating tunnel 31, and the active carbon is followed conveyer belt 32 and is exported from microwave heating tunnel 31 after, and the temperature of active carbon is higher, and high temperature active carbon carries in inner skleeve 52 and carries through auger 53, and auger 53 is carrying the in-process of active carbon, utilizes the cold water that flows in cooling water cavity 50 to cool down.
The utility model also provides a control method of the continuous production line for preparing the activated carbon by using the microwave carbonized coal, which adopts the continuous production line for preparing the activated carbon by using the microwave carbonized coal; the specific method comprises the following steps: briquetting, humidifying and preheating, microwave heating and tar recovery;
and in the briquetting process, the coal briquettes are put into a crushing mechanism for crushing treatment, and the crushed coal is conveyed to an extrusion forming mechanism for extrusion forming to form the coal briquettes. The briquetting process specifically comprises the following steps: in the process of putting the coal blocks into a crushing mechanism for crushing, the shielding cover moves to the upper part of the toothed roller crusher for shielding, and meanwhile, the spray pipe performs spray treatment on the storage bin; at the in-process of rubbing crusher interpolation coal cinder, the top that the shutter removed the feed bin shelters from, and the vent of shutter and the air outlet intercommunication in dust absorption wind channel, second fan start carry out the dust absorption and handle, and is carried the feed bin by the coal dust who inhales in the dust absorption wind channel, and at this moment, the shower lasts to carry out spray treatment to the feed bin.
Under the microwave heating procedure, conveying the coal briquettes into a microwave heating tunnel for microwave heating, and carbonizing and activating the coal briquettes to form activated carbon;
and a tar recovery procedure, namely, feeding tar smoke generated by heating coal briquettes in a microwave heating tunnel into an air treatment component, condensing tar in the tar smoke by using a condenser, and treating the condensed smoke by using an electric tar precipitator.
Further, a humidification preheating process may be further included; and in the humidifying and preheating process, the coal briquettes are conveyed into a steam box body for humidifying treatment, and meanwhile, the hot steam preheats the coal briquettes.
The utility model provides a microwave carbonization coal system active carbon serialization production line, through increasing the air treatment subassembly, the air treatment subassembly can inhale the tar flue gas that produces among the coal briquetting microwave heating process and carry out tar condensation earlier and handle, and rethread electricity tar precipitator carries out further tar seizure to the flue gas for the flue gas of arranging in the atmosphere outward contains the tar volume and extremely low reaches no tar content even, with the pollution of effectual reduction to the environment, reaches green's processing purpose. Meanwhile, the coal briquette is crushed and molded on line by extruding the coal molding assembly, and is preheated by being matched with the steam generation assembly for humidification, so that the carbonization and activation efficiency of the coal briquette is improved, and the processing efficiency is integrally improved.

Claims (9)

1. The utility model provides a microwave carbonization coal system active carbon serialization production line which characterized in that includes:
the extruded coal forming assembly is used for crushing and extruding the coal briquettes to form coal briquettes with a set shape;
the microwave heating assembly is used for heating the coal briquettes by microwaves so as to carbonize the coal briquettes;
the air treatment assembly is used for harmlessly treating gas generated in the microwave heating process of the coal briquette and recovering coal tar in the gas.
2. A continuous production line for preparing activated carbon from microwave carbonized coal as claimed in claim 1, wherein the microwave heating assembly comprises a microwave heating tunnel for microwave heating, and a first microwave generator for microwave heating of coal briquettes is arranged in the microwave heating tunnel; the continuous production line for preparing the activated carbon from the microwave carbonized coal further comprises a steam generation assembly, wherein the steam generation assembly is used for heating water to generate steam and forming protective air curtains at two end parts of the microwave heating tunnel by utilizing the steam.
3. A continuous production line for activated carbon made from microwave carbonized coal as claimed in claim 2, wherein the steam generating assembly comprises a water tank, a heating module and two steam boxes, the heating module is used for heating water in the water tank to generate steam and conveying the steam into the steam boxes, the steam boxes are arranged at corresponding ends of the microwave heating tunnel, the microwave heating assembly further comprises a conveying belt, and the conveying belt penetrates through the microwave heating tunnel and the steam boxes; the heating module is an electric heating pipe arranged in the water tank, or the heating module is a second microwave generator arranged outside the water tank.
4. The continuous production line for manufacturing activated carbon by microwave carbonized coal as claimed in claim 1, wherein the air processing assembly comprises a first fan, a tar recovery module and a connecting pipeline, the tar recovery module comprises a tar recovery box, a condenser and an electric tar precipitator, the condenser comprises a housing and a plurality of condenser tubes arranged in the housing, two sealing tube plates are arranged in the housing, a water cavity is formed in the region between the two sealing tube plates in the housing, an air inlet cavity is formed in the region outside one of the sealing tube plates in the housing, an air outlet cavity is formed in the region outside the other sealing tube plate in the housing, an inlet tube and an outlet tube communicated with the water cavity are further arranged on the housing, an air inlet tube communicated with the air inlet cavity is further arranged on the housing, and an air outlet tube communicated with the air outlet cavity is further arranged on the housing, the condenser pipe is sealed to run through two sealed tube sheets, the condenser pipe communicates the air inlet cavity with go out the gas cavity, the bottom of shell is provided with the intercommunication the play oil pipe of air inlet cavity, the air-supply line is connected first fan, first fan passes through connecting tube with the microwave heating tunnel intercommunication, it connects to go out the tuber pipe the wind import of electrical tar precipitator, the oil outlet of electrical tar precipitator connects the tar collection box, it connects to go out the oil pipe the tar collection box.
5. A continuous production line for making activated carbon by microwave carbonized coal as claimed in claim 4, wherein the wind outlet of the electrical tar precipitator is further connected with a waste gas incinerator.
6. A continuous production line for activated carbon made from microwave carbonized coal as claimed in claim 1, wherein the extruded coal forming assembly comprises a mounting bracket, a crushing mechanism and an extrusion forming mechanism, the crushing mechanism and the extrusion forming mechanism are arranged on the mounting bracket, the crushing mechanism is used for crushing and conveying coal blocks to the extrusion forming mechanism, and the extrusion forming mechanism is used for extruding the crushed coal blocks to form coal briquettes; the crushing mechanism is a toothed roll crusher, the extrusion forming mechanism comprises a storage bin and two compression rollers arranged in a discharge hole at the bottom of the storage bin, the two compression rollers are arranged side by side and attached together, and a plurality of grooves are formed in the circumferential surface of each compression roller; and a conveying belt is arranged between a feed opening of the toothed roller crusher and the storage bin.
7. A continuous production line for making activated carbon from microwave carbonized coal as claimed in claim 6, wherein the extruded coal forming assembly is further provided with a dust collection purification assembly, the dust collection purification assembly comprises a dust collection air duct, a second fan and a spray pipe, the second fan is arranged in the dust collection air duct, an air inlet of the dust collection air duct is provided with a dust collection cover, the dust collection cover is located above the toothed roller crusher, an air outlet of the dust collection air duct is provided with the spray pipe, and an air outlet of the dust collection air duct is located above the storage bin.
8. A continuous production line for activated carbon prepared from microwave carbonized coal as claimed in claim 7, wherein the dust absorption and purification assembly further comprises a shielding cover, the shielding cover is slidably arranged on the mounting bracket, and the mounting bracket is further provided with a cylinder for driving the shielding cover to move between the upper part of the toothed roller crusher and the upper part of the storage bin; the shielding cover is provided with a vent, and the vent is used for being communicated with an air outlet of the dust collection air duct.
9. A continuous production line for preparing activated carbon from microwave carbonized coal as claimed in claim 3, further comprising a cooling assembly, wherein the cooling assembly is located at the discharge outlet of the microwave heating tunnel, the cooling assembly comprises an outer sleeve, an inner sleeve and an auger, the inner sleeve is arranged in the outer sleeve, the inner sleeve is arranged between the outer sleeve to form a cooling water cavity, the outer sleeve is further provided with a water inlet and a water outlet which are communicated with the cooling water cavity, and the auger is rotatably arranged in the inner sleeve; the conveying belt is also used for conveying the formed active carbon output from the microwave heating tunnel to the inner sleeve.
CN201920888687.5U 2018-12-13 2019-06-13 Continuous production line for preparing activated carbon from microwave carbonized coal Active CN210340343U (en)

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CN201811527085.3A CN109534338A (en) 2018-12-13 2018-12-13 Microwave carbonization coal activated carbon continuous production line and its control method
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