CN101693535B - System, device and method for preparing active carbon - Google Patents
System, device and method for preparing active carbon Download PDFInfo
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- CN101693535B CN101693535B CN2009101055208A CN200910105520A CN101693535B CN 101693535 B CN101693535 B CN 101693535B CN 2009101055208 A CN2009101055208 A CN 2009101055208A CN 200910105520 A CN200910105520 A CN 200910105520A CN 101693535 B CN101693535 B CN 101693535B
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Abstract
The invention relates to a system, a device and a method for preparing active carbon, which improve the recovery rate of the active carbon. The invention adopts the technical scheme that the system comprises a pyrolysis treatment subsystem for carrying out pyrolysis treatment on pretreated materials and an active carbon finishing system for further sorting and dewatering a primary active carbon product; in the system, a carbonization and activation integrated furnace of microwave heating and hermetic low-temperature pyrolysis processes is used as main equipment of the pyrolysis treatment subsystem; materials are cracked in a pyrolysis furnace chamber, and carbonized solid residues after cracking enter an activation chamber and processed into a primary active carbon product; and then the primary active carbon product is turned into an active carbon finishing subsystem, a carbonization and activation integrated furnace atmosphere guaranteeing system matched with the pyrolysis treatment subsystem and a gaseous product recycling system. The invention sufficiently utilizes products and energy in the process of production and has compact operation process and strong reliability.
Description
Technical field
The present invention relates to a kind of preparation technology of gac, particularly a kind of system, apparatus and method that prepare gac.
Background technology
Gac is that a kind of surface-area is big, the good sorbing material of high adsorption capacity, environmental protection, toxicological harmless, is widely used in fields such as purifying air, deodorizing, anticorrosion, water treatment, solution decolouring, chemical industry catalysis, chemical analysis.The appearance of gac then makes gac bring into play its absorption and filtering function on fields such as daily life, health care, industry more easily.
In the process for preparing activated carbon of the current international practice, adopt two kinds of methods of chemical activation method and physical activation method to carry out the making of gac usually.Chemical activation method will discharge a large amount of sour tail gas and acid-bearing wastewaters of containing in the process of preparation gac, to around environmental influence very big.Physical activation method is contenting carbon material charing at normal temperatures, the mixed gas of using oxidizing gas such as water vapour, carbon dioxide gas, oxygen or several oxidizing gas then as activator under 700-1000 ℃ of hot conditions with carbon generation oxidizing reaction, preparation gac.
Existing physical activation method prepares gac and has several problems, (1) energy consumption height, burning provides energy by fat coal because gac is complete in carbonization process, is subjected to the influence of factors such as incomplete combustion, deslagging exhaust, the 30-35% of external energy is used for the energy absorption of reaction process.(2) in the carbonization process because the inequality of being heated, the restriction of factors such as temperature-rise period complexity produces product liquids such as tar, wood vinegar in a large number, causes the rate of recovery of solid carbon low, general less than 60%.
In the technology of preparation gac, charing, reactivation process are all carried out in independent device, and in preparation process, gaseous product and a large amount of heat resources can not utilize fully now, and forming resource wastes greatly.
Summary of the invention
The present invention has provided a kind of system, apparatus and method that prepare gac, in the process of preparation gac, adopted microwave heated, airtight low temperature pyrogenation, charing, activation integral furnace, be that preparation process is more succinct, energy utilization is more abundant, and the rate of recovery of solid carbon is higher.
The technical solution used in the present invention is: a kind of production system for preparing gac, this system comprises: the pyrolysis processing sub-system of pretreated material being carried out pyrolysis processing, with the further sorting of elementary carbonization product, the active-carbon finely system of processing of processed, adopted microwave heating in the native system, the charing of airtight low temperature pyrogenation technology, activation integral furnace is as the main equipment of pyrolysis processing sub-system, material cracking in the pyrolysis furnace chamber, charing after the cracking is stayed thing to enter activating chamber admittedly and is processed as primary activity charcoal product, change active-carbon finely processing sub-system again over to, be the charing that comprises of the supporting setting of pyrolysis processing sub-system, the cyclic utilization system of activation integral furnace ambiance safeguards system and gaseous state resultant.
It is microwave heated that system support a kind of and the preparation gac is used, airtight low temperature pyrogenation, charing, activation integral furnace, comprise slipper seal cover plate and pyrolysis body of heater two portions of being positioned at the top in the structure, comprise the malleation that has adopted microwave heat in the pyrolysis oven body structure, nitrogen atmosphere, the pyrolysis furnace chamber of sealed structure, and pyrolysis furnace chamber below activating chamber's three parts, the reverse V-shaped groove track of inserted sealing material is set on the slipper seal cover plate at pyrolysis furnace chamber top, the supporting reverse V-shaped groove track that is provided with pyrolysis body of heater upper end forms slipper seal formula friction pair, the outlet of charing tail gas, the radioprotective chassis is separately positioned on the upper and lower side of top blind flange, comprise the case type frame in the structure, with the supporting elaxtic seal that is arranged on the housing separated by spaces in the body of heater is become the pyrolysis furnace chamber by seal diaphragm II, activating chamber.
A kind of preparation process of active carbon comprises pre-treatment, charing, activation, classification and oven dry to containing carbon feedstock in the step, the described charing of this method, reactivation process are carried out in microwave heated, airtight low temperature pyrogenation, charing, activation integral furnace.
The invention has the beneficial effects as follows: the present invention adopts microwave, airtight, nitrogen atmosphere heating down in the generative process of gac, material is heated evenly, and the thermal radiation area is big, and heat-up rate is fast.The material temperature rise period in carbonization process, material remnant moisture at first evaporates, and water vapour does not participate in carbonization process reaction, the rate of recovery height of solid carbon.It is activator that gac reactivation process adopts pyrolysis, self-produced water vapour and the carbonic acid gas of activation procedure, makes full use of the waste heat that the cooling of pyrolysis gas produced at the gac baking operation and does thermal source, realizes the material of the course of processing and the closed circulation of energy.The pyrolysis of material, charing, activation are finished in a device, make operating process more succinct, good reliability.
Description of drawings
Fig. 1 system architecture skeleton diagram of the present invention.
Fig. 2 system and device interface chart of the present invention.
Microwave heated, the airtight low temperature pyrogenation of Fig. 3, charing, activation integral furnace Facad structure synoptic diagram.
Microwave heated, the airtight low temperature pyrogenation of Fig. 4, charing, activation integral furnace side structure synoptic diagram.
Wherein, A is the pyrolysis processing sub-system, and B is the active-carbon finely system of processing, and C is a cyclic utilization system, D is a safeguards system, A1 is the pyrolysis furnace chamber, and A2 is an activating chamber, and B1 is the gac sorter, B2 is a whizzer, B3 is the gac dryer, and B4 is the gac collection device, and C1 is an air separation plant, C2 is a carbon dioxide absorption tower, C3 is the fiber filter tower, and C4 is the electrothermic type vapor superheater, and C5 is the fiber tower, C6 is an air heat exchanger, C7 is a carbon dioxide collecting device, and D1 activating chamber gas supply system, D2 are airtight nitrogen plenum system, 1 is frame, 2, the material reaction fixed bed, 3 is friction pair, 4 is the microwave radiation wall, 5 microwave wall energy control circuit interfaces, 6 is top blind flange, 7 are the outlet of charing tail gas, 8 material compressed panels, 9 is seal diaphragm I, and 10 is the nitrogen input channel, and 11 is screw pair I, 12 are material bed rotating stand, 13 is temperature sensor, and 14 is charging tray rotating drive hydraulic stem, and 15 is gas pressure sensor, 16 is solid material bed bracket dish, 17 is screw pair II, and 18 are the radioprotective chassis, and 19 is the water vapour gas feed, 20 is seal diaphragm II, 21 are the activation storehouse, and 22 is the carbon dioxide import, and 23 is the burnt surge hopper of charcoal, 24 is tubular type airlock screw transfer roller, 25 is mixed gas outlet, and 26 is the warehouse thermal insulation layer, and 27 is star feeder.
Embodiment
The present invention adopts a kind of microwave heating physical activation method to prepare gac.Referring to accompanying drawing 1, the technical solution used in the present invention is:
A kind of production system for preparing gac, this system comprises: the pyrolysis processing sub-system A that pretreated material is carried out pyrolysis processing, with the further sorting of elementary carbonization product, the active-carbon finely system of processing B of processed, adopted microwave heated in the native system, airtight low temperature pyrogenation, charing, activation integral furnace is as the main equipment of pyrolysis processing sub-system A, material cracking in pyrolysis furnace chamber A1, charing after the cracking is stayed thing to enter the A2 of activating chamber admittedly and is processed as primary activity charcoal product, change active-carbon finely processing sub-system B again over to, be the charing that comprises of the supporting setting of pyrolysis processing sub-system A, the cyclic utilization system C of activation integral furnace ambiance safeguards system D and gaseous state resultant.
In the technical scheme of the embodiment of the invention, the pyrolysis furnace chamber A1 among the pyrolysis processing sub-system A realizes the low temperature pyrogenation to material, and envrionment temperature is not for being higher than 450 ℃, nitrogen atmosphere; Among the A2 of activating chamber among the pyrolysis processing sub-system A to adopting carbonic acid gas and water vapour in the reactivation process of gac as activator.
In the technical scheme of the embodiment of the invention, water vapour, carbon dioxide, the nitrogen of discharging among the pyrolysis furnace chamber A1 among the pyrolysis processing sub-system A enter cyclic utilization system C, separate, separated nitrogen is incorporated among the airtight nitrogen plenum system D2 among charing, the activation integral furnace ambiance safeguards system D by air separation plant C1, continue to feed back to pyrolysis processing sub-system A as the cracking shielding gas; Water vapour, the carbon dioxide of discharging among the A2 of activating chamber among the pyrolysis processing sub-system A enters cyclic utilization system C, separated by carbon dioxide absorption tower C2; Isolated carbon dioxide through fiber tower C5 removal of impurities after, enter into air heat exchanger C6 and cool off, the warm air after the exchange as the oven dry of gac, be transported among the gac dryer B3 among the active-carbon finely processing treatment B of system; Isolated water vapour through fiber filter tower C3 removal of impurities after, enter into electrothermic type vapor superheater C4 and heat, water vapour after the heating and cooled carbon dioxide are introduced the gas supply system D1 of activating chamber among charing, the activation integral furnace ambiance safeguards system D, are fed back to pyrolysis processing sub-system A as activator.
In the technical scheme of the embodiment of the invention, it is primary activity charcoal product in the A2 of activating chamber activation treatment that thing is stayed in charing admittedly, introduce again the active-carbon finely system of processing B from the primary activity charcoal product that the A2 of activating chamber comes out, primary activity charcoal product is introduced gac sorter B1 fluidization flotation classification, dehydration in whizzer B2, is dried at gac dryer B3, forms gac charcoal product at last and enters gac collection device B4.
Referring to accompanying drawing, it is microwave heated that system support a kind of and the preparation gac is used, airtight low temperature pyrogenation, charing, activation integral furnace, comprise slipper seal cover plate and pyrolysis body of heater two portions of being positioned at the top in the structure, comprise the malleation that has adopted microwave heat in the pyrolysis oven body structure, nitrogen atmosphere, the pyrolysis furnace chamber A1 of sealed structure, and pyrolysis furnace chamber A1 below the A2 of activating chamber three parts, the reverse V-shaped groove track of inserted sealing material is set on the slipper seal cover plate at pyrolysis furnace chamber A1 top, the supporting reverse V-shaped groove track that is provided with pyrolysis body of heater upper end forms slipper seal formula friction pair 3, charing tail gas outlet 7, radioprotective chassis 18 is separately positioned on top blind flange 6 upper and lower sides, comprise case type frame 1 in the structure, with the supporting elaxtic seal that is arranged on the housing separated by spaces in the body of heater is become pyrolysis furnace chamber A1 by seal diaphragm II20, the A2 of activating chamber.
In the technical scheme of the embodiment of the invention, top blind flange 6 belows that are positioned at the body of heater upper end are provided with the electronic screw pair II17 that it has been moved the driving effect, charing tail gas outlet 7 is charged magnet valve control, the instruction sequencing opening and closing that above magnetic valve sends according to pilot circuit, microwave wall energy control circuit interface 5 is connected to be with main line, circuit and is flexible coupling, and microwave radiation wall 4 is filled with antiradiation material with the gap of top blind flange 6 bottoms.
In the technical scheme of the embodiment of the invention, pyrolysis furnace chamber A1 is positioned at the top of pyrolysis body of heater, comprise in the pyrolysis furnace chamber A1 structure the turnover material reaction fixed bed 2 that is positioned at the bottom and with material reaction fixed bed 2 supporting be the microwave radiation wall 4 that is hung on top blind flange 6 bottoms, comprise solid material bed bracket dish 16 in material reaction fixed bed 2 structures, be positioned at the material compressed panel 8 of the solid material bed bracket dish 16 tops band pilot hole supporting with it, the material bed rotating stand 12 and the nitrogen input channel 10 of supporting solid material bed bracket dish 16, the material compressed panel 8 of band pilot hole places above the channel-section steel of slipper seal cover plate by screw pair I 11, solid material bed bracket dish 16 is provided with the temperature sensor 13 of measuring the material reaction temperature, the sampled signal of temperature sensor 13 is connected to the corresponding input terminus of pilot circuit, and microwave wall energy control circuit interface 5 is passed by top blind flange 6.
In the technical scheme of the embodiment of the invention,: the discharge port place of material reaction fixed bed 2 upsets is provided with the burnt surge hopper 23 of charcoal, the top of the burnt surge hopper 23 of charcoal is provided with charging tray rotating drive hydraulic stem 14, the bottom of the burnt surge hopper 23 of charcoal is communicated with the star feeder 27 of the A2 of activating chamber top, charging tray rotating drive hydraulic stem 14 1 ends are hinged on the vertical seal diaphragm I9, and the other end is hinged on the below of solid material bed bracket dish 16.
In the technical scheme of the embodiment of the invention, the A2 of activating chamber is positioned at the foot of pyrolysis body of heater, comprise activation storehouse 21 in the structure, be positioned at mixed gas outlet 25 and the carbon dioxide import 22 below the side and the water vapour gas feed 19 at activation 21 tops, storehouse, the shell in activation storehouse 21 is made of hull plate, inside is provided with warehouse thermal insulation layer 26 and gas pressure sensor 15, the sampled signal of gas pressure sensor 15 is connected to the corresponding input terminus of pilot circuit, the bottom in activation storehouse 21 is provided with the outlet of the charcoal product after the primary activation, following connection tubular type airlock screw transfer roller 24.
Referring to accompanying drawing 2, a kind of preparation process of active carbon, comprise pre-treatment, charing, activation, classification and oven dry to containing carbon feedstock in the step, the described charing of this method, reactivation process are carried out in microwave heating, airtight low temperature pyrogenation, charing, activation integral furnace.
In the technical scheme of the embodiment of the invention, the process environments that the microwave heating material adopts in this method is not to be higher than 450 ℃-300 ℃ low temperature, nitrogen atmosphere, positive pressure environment.
In the technical scheme of the embodiment of the invention, the used match power that gets microwave heater of this method is 400KW-750KW.
In the technical scheme of the embodiment of the invention, adopt the activator of water vapour and carbon dioxide gas mixture conduct in the reactivation process of this method.
Referring to accompanying drawing, the material of material after pretreatment system is handled enters the pyrolysis furnace chamber A1 among the pyrolysis processing sub-system A, and wherein, the slipper seal cover plate of pyrolysis furnace chamber A1 can be realized opening entirely, makes things convenient for the turnover of material.Material enters pyrolysis furnace chamber A1 and carries out low-temperature pyrolysis, and process environments is 450 ℃ of airtight, carry out microwave radiation heating, nitrogen atmosphere.Material water vapour in the material in temperature-rise period is discharged by charing tail gas 7, and charing tail gas outlet 7 is charged magnet valve control, and magnetic valve is according to the sequential opening and closing of pilot circuit.The gaseous state resultant that material produces in cracking process does not comprise inflammable gas, non-combustible gas, carbonic acid gas, water vapour, wherein, the carbonic acid gas, the water vapour that produce enter into gaseous state thing cyclic utilization system C and collect, handle, and realize the recycle of self.After the abundant pyrolysis of material, remaining charing is stayed thing to enter the A2 of activating chamber admittedly and is activated, adopt carbonic acid gas and water vapour as activator in the reactivation process, generate carbonic acid gas and water vapour in the reactivation process simultaneously, carbonic acid gas and water vapour that the A2 of activating chamber discharges are introduced cyclic utilization system C, realize recycle.
What activated chamber A2 came out is elementary carbonization product, is introduced into gac sorter B1 fluidization flotation classification, dewaters in whizzer B2, dries at gac dryer B3, forms activated carbon product at last and enters gac collection device B4.
After water vapour, carbon dioxide, the nitrogen of discharging among the pyrolysis furnace chamber A1 in the pyrolysis processing sub-system enters cyclic utilization system C, C1 separates by air separation plant, separated nitrogen is incorporated into airtight nitrogen plenum system D2 among charing, the activation integral furnace ambiance safeguards system D, continuation feeds back to pyrolysis processing sub-system A as the cracking shielding gas, the water vapour of discharging among the A2 of activating chamber, carbon dioxide, enter cyclic utilization system C after, C2 separates by carbon dioxide absorption tower; After the isolated carbon dioxide process fiber tower C5 removal of impurities, enter into air heat exchanger C6 and cool off, the warm air after the exchange is transported among the gac dryer B3 among the active-carbon finely processing treatment B of system as the oven dry of gac; After the isolated water vapour process fiber filter tower C3 removal of impurities, entering into electrothermic type vapor superheater C4 heats, water vapour after the heating and cooled carbon dioxide are introduced the gas supply system D1 of activating chamber among charing, the activation integral furnace ambiance safeguards system D, feed back to deliver among the A2 of activating chamber.
Referring to Fig. 3, Fig. 4, the input and output material of pyrolysis furnace chamber A1 moves and the realization of rolling of the hydraulic pressure of solid material bed bracket dish 16 by the top seal cover plate.After the top seal cover plate moves, open the passage that material enters solid material bed bracket dish 16, the top slide seal cover board is 2 times of body of heater width at the sliding distance of body of heater slide rail, can realize opening entirely of furnace roof, realizes rapid loading by the direct feed of grab bucket.Because the removal of solid material bed bracket dish 16 interior materials is toppled over by the upset of himself, the standard-sized sheet Men Weiqi at body of heater top provides strong condition, can realize quickly discharging equally simultaneously.The setting of temperature sensor 13 can be controlled the indoor temperature of pyrolysis oven more accurately.
The supporting reverse V-shaped groove track that the reverse V-shaped groove track of inserted sealing material is set on the slipper seal cover plate at pyrolysis furnace chamber A1 top, is provided with pyrolysis body of heater upper end forms slipper seal formula friction pair 3, and the elaxtic seal on housing has constituted the sealed environment of pyrolysis furnace chamber A1.Material reaction fixed bed 2 rolls under the drive of charging tray rotating drive hydraulic stem 14, and the charing after cracking is finished stays thing to pour in the burnt surge hopper 23 of charcoal admittedly, enters into the A2 of activating chamber through star feeder 27 and activates.
Charing is stayed thing to enter in the interior activation storehouse of the A2 of activating chamber 21 admittedly and is participated in reactivation processs, in reactivation process, the warehouse thermal insulation layer 26 of activation 21 inside, storehouse has played the effect of insulation, carbonic acid gas and water vapour enter into activation storehouse 21 by carbon dioxide import 22 and water vapour gas feed 19 respectively, and carbonic acid gas that produces in the reactivation process and water vapour are discharged by mixed gas outlet 25 simultaneously.Produce primary activity charcoal product after activation is finished, outwards carry by the A2 of activating chamber bottom tubular type airlock screw transfer roller 24.
The present invention adopts microwave heating, and it is low to consume energy, and has realized the recycle of carbonic acid gas and water vapour and heat during the course.Liquid substance produces seldom in the process, the rate of recovery height of solid carbon.
Claims (8)
1. production system for preparing gac; this system comprises: the pyrolysis processing sub-system (A) of pretreated material being carried out pyrolysis processing; with the further sorting of elementary carbonization product; the active-carbon finely system of processing (B) of processed; it is characterized in that: adopted microwave heated in the native system; airtight low temperature pyrogenation; charing; activation integral furnace is as the main equipment of pyrolysis processing sub-system (A); material cracking in pyrolysis furnace chamber (A1); charing after the cracking is stayed thing to enter activating chamber (A2) admittedly and is processed as primary activity charcoal product; change active-carbon finely processing sub-system (B) again over to; the charing that comprises for the supporting setting of pyrolysis processing sub-system (A); the cyclic utilization system (C) of activation integral furnace ambiance safeguards system (D) and gaseous state resultant; the water vapour of discharging in the pyrolysis furnace chamber (A1) in the pyrolysis processing sub-system (A); carbon dioxide and nitrogen enter cyclic utilization system (C); (C1) separates by air separation plant; separated nitrogen is incorporated into charing; in the airtight nitrogen plenum system (D2) in the activation integral furnace ambiance safeguards system (D); continuation feeds back to pyrolysis processing sub-system (A) as the cracking shielding gas; the water vapour of discharging in the activating chamber (A2) in the pyrolysis processing sub-system (A); carbon dioxide enters cyclic utilization system (C); (C2) separates by carbon dioxide absorption tower; after the removal of impurities of isolated carbon dioxide process fiber tower (C5); entering into air heat exchanger (C6) cools off; warm air after the exchange is as the oven dry of gac; be transported in the gac dryer (B3) in the active-carbon finely processing treatment system (B); after the removal of impurities of isolated water vapour process fiber filter tower (C3); entering into electrothermic type vapor superheater (C4) heats; water vapour after the heating and cooled carbon dioxide are introduced charing; activating chamber's gas supply system (D1) in the activation integral furnace ambiance safeguards system (D) feeds back to pyrolysis processing sub-system (A) as activator.
2. a kind of production system for preparing gac according to claim 1 is characterized in that: the pyrolysis furnace chamber (A1) in the pyrolysis processing sub-system (A) is realized the low temperature pyrogenation to material, and envrionment temperature is not for being higher than 450 ℃, nitrogen atmosphere; In the activating chamber (A2) in the pyrolysis processing sub-system (A) to adopting carbonic acid gas and water vapour in the reactivation process of gac as activator.
3. a kind of production system for preparing gac according to claim 1, it is characterized in that: it is primary activity charcoal product in activating chamber (A2) activation treatment that thing is stayed in charing admittedly, introduce again the active-carbon finely system of processing (B) from the primary activity charcoal product that activating chamber (A2) comes out, primary activity charcoal product is introduced gac sorter (B1) fluidization flotation classification, dehydration in whizzer (B2), in gac dryer (B3) oven dry, form gac charcoal product at last and enter gac collection device (B4).
4. the supporting application of production system microwave heated with the preparation gac, airtight low temperature pyrogenation, charing, activation integral furnace, it is characterized in that: comprise slipper seal cover plate and pyrolysis body of heater two portions of being positioned at the top in the structure, comprise the malleation that has adopted microwave heat in the pyrolysis oven body structure, nitrogen atmosphere, the pyrolysis furnace chamber (A1) of sealed structure and pyrolysis furnace chamber (A1) below activating chamber (A2), the reverse V-shaped groove track of inserted sealing material and the supporting reverse V-shaped groove track formation slipper seal formula friction pair (3) that pyrolysis body of heater upper end is provided with are set on the slipper seal cover plate at pyrolysis furnace chamber (A1) top, charing tail gas outlet (7), radioprotective chassis (18) is separately positioned on the upper and lower side of top blind flange (6), comprise case type frame (1) in the structure, with the supporting elaxtic seal that is arranged on the housing separated by spaces in the body of heater is become pyrolysis furnace chamber (A1) by seal diaphragm II (20), activating chamber (A2).
5. microwave heated, airtight low temperature pyrogenation according to claim 4, charing, activation integral furnace, it is characterized in that: top blind flange (6) below that is positioned at the body of heater upper end is provided with the electronic screw pair II (17) that it has been moved the driving effect, charing tail gas outlet (7) is charged magnet valve control, the instruction sequencing opening and closing that above magnetic valve sends according to pilot circuit, microwave wall energy control circuit interface (5) is connected to be with main line, circuit and is flexible coupling, and microwave radiation wall (4) is filled with antiradiation material with the gap of top blind flange (6) bottom.
6. according to claim 4 microwave heated, airtight low temperature pyrogenation, charing, activation integral furnace, it is characterized in that: pyrolysis furnace chamber (A1) is positioned at the top of pyrolysis body of heater, comprise in pyrolysis furnace chamber (A1) structure: the turnover material reaction fixed bed (2) that is positioned at the bottom, with material reaction fixed bed (2) supporting be the microwave radiation wall (4) that is hung on top blind flange (6) bottom, comprise solid material bed bracket dish (16) in material reaction fixed bed (2) structure, be positioned at the material compressed panel (8) of solid material bed bracket dish (16) the top band pilot hole supporting with it, the material bed rotating stand (12) of supporting solid material bed bracket dish (16) and nitrogen input channel (10), the material compressed panel (8) of band pilot hole places above the channel-section steel of slipper seal cover plate by screw pair I (11), solid material bed bracket dish (16) is provided with the temperature sensor (13) of measuring the material reaction temperature, the sampled signal of temperature sensor (13) is connected to the corresponding input terminus of pilot circuit, and microwave wall energy control circuit interface (5) is passed by top blind flange (6).
7. microwave heated, airtight low temperature pyrogenation according to claim 4, charing, activation integral furnace, it is characterized in that: the discharge port place of material reaction fixed bed (2) upset is provided with the burnt surge hopper (23) of charcoal, the top of the burnt surge hopper of charcoal (23) is provided with charging tray rotating drive hydraulic stem (14), the bottom of the burnt surge hopper of charcoal (23) is communicated with the star feeder (27) of activating chamber (A2) top, charging tray rotating drive hydraulic stem (14) one ends are hinged on the vertical seal diaphragm I (9), and the other end is hinged on the below of solid material bed bracket dish (16).
8. according to claim 4 microwave heated, airtight low temperature pyrogenation, charing, activation integral furnace, it is characterized in that: activating chamber (A2) is positioned at the foot of pyrolysis body of heater, comprise activation storehouse (21) in the structure, be positioned at mixed gas outlet (25) and the carbon dioxide import (22) below the side and the water vapour gas feed (19) at activation top, storehouse (21), the shell in activation storehouse (21) is made of hull plate, inside is provided with warehouse thermal insulation layer (26) and gas pressure sensor (15), the sampled signal of gas pressure sensor (15) is connected to the corresponding input terminus of pilot circuit, the bottom in activation storehouse (21) is provided with the outlet of the charcoal product after the primary activation, following connection tubular type airlock screw transfer roller (24).
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101823708B (en) * | 2010-05-26 | 2012-03-21 | 侯梦斌 | Equipment and process for producing active carbon by utilizing microwave energy |
| CN103224234B (en) * | 2013-04-10 | 2014-12-10 | 太原理工大学 | Process for producing active carbon by cyclic utilization of high temperature flue gas |
| CN104140099B (en) * | 2014-08-18 | 2016-06-01 | 福建师范大学 | A kind of take alkali ionic liquid as the method that bio-based gac prepared by activator |
| CN108046256A (en) * | 2017-12-29 | 2018-05-18 | 北海星石碳材料科技有限责任公司 | The preparation method of the high super-activated carbon of cleanliness factor |
| CN111086988A (en) * | 2018-10-24 | 2020-05-01 | 中国石油化工股份有限公司 | Method for preparing activated carbon and co-producing synthesis gas from animal excrement |
| CN112174142B (en) * | 2020-10-28 | 2022-02-01 | 闽江学院 | Biomass material carbonization and activation integrated device |
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| CN1944602A (en) * | 2006-10-30 | 2007-04-11 | 四川雷鸣生物环保工程有限公司 | Method for one-step producing biomassfuel, biological haydite and active carbon using high wet mixed city garbage as raw material |
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