CN101850967B - An integrated device and method for producing activated carbon from organic waste - Google Patents
An integrated device and method for producing activated carbon from organic waste Download PDFInfo
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- CN101850967B CN101850967B CN2009103101732A CN200910310173A CN101850967B CN 101850967 B CN101850967 B CN 101850967B CN 2009103101732 A CN2009103101732 A CN 2009103101732A CN 200910310173 A CN200910310173 A CN 200910310173A CN 101850967 B CN101850967 B CN 101850967B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
本发明涉及一种有机废物制取活性炭一体化装置及方法，其特征是有机废物制取活性炭一体化装置分为热解床反应器和活化床反应器两个部分。该装置外部安装有螺旋形烟道，高温烟气从螺旋形烟道一侧进入烟道内。在热解床反应器内部安装有螺旋进料装置。该反应器由电机、螺杆、螺旋形叶片和搅拌杆组成。搅拌杆等距离、等角度安装在螺旋叶片之间，搅拌杆的数量为若干个。物料经过热解反应器后进入活化床反应器。活化床反应器的结构和热解床反应器相类似。高温过热水蒸汽从活化床的进口处一端进入活化床，与从热解床进入活化床的物料反应，置于活化床内部的螺旋形进料器推动物料向出口处推进。通过增加多个相同的活化床以增加活化时间。
The invention relates to an integrated device and method for producing activated carbon from organic waste, which is characterized in that the integrated device for producing activated carbon from organic waste is divided into two parts: a pyrolysis bed reactor and an activation bed reactor. The device is equipped with a spiral flue outside, and the high-temperature flue gas enters the flue from one side of the spiral flue. A screw feeding device is installed inside the pyrolysis bed reactor. The reactor consists of a motor, a screw, a helical blade and a stirring rod. Stirring rods are installed between the helical blades at equal distances and at equal angles, and the number of stirring rods is several. The material enters the activated bed reactor after passing through the pyrolysis reactor. The structure of the activated bed reactor is similar to that of the pyrolysis bed reactor. High-temperature superheated steam enters the activated bed from the inlet of the activated bed, and reacts with the material entering the activated bed from the pyrolysis bed. The spiral feeder placed inside the activated bed pushes the material to the outlet. Increase activation time by adding multiple identical activation beds.
Description
Technical field
The invention belongs to organic solid castoff utilizes method for pyrolysis to produce the activated carbon technology field; Relate to a kind of preparing activated carbon by using organic wastes integrated apparatus, specially refer to and utilize the organic solid thing to comprise that solid organic matters such as industrial organic waste, biomass, coal, oil field oil-containing mud, municipal sludge, common waste, plastic waste, waste rubber, garbage derivatived fuel produce the integrated apparatus and the method for gac.
Background technology
Organic solid castoff is of a great variety, and output is huge, and reserves are abundant, and it is significant that it is carried out energy recovery.Gac is that a kind of minute aperture is flourishing, specific surface area is huge, the charcoal of high adsorption capacity, has been widely applied to all respects.Through the pyrolysis to organic solid castoff, and then to produce the higher gac of economic worth be one of important directions of utilizing of solid waste resource recovery.
The type of furnace that present solid waste is produced gac mainly contains types such as fixed bed, fluidized-bed, bubbling bed, and the preparation of gac is main with batch quantity production mainly.Successional production technique is actually rare.There are a lot of problems in the Activated Carbon Production of these type of furnaces and technology; It mainly shows as: though fixed bed has characteristics such as simple to operate; But the heat and mass transfer characteristic of material in pyrolytic process is relatively poor, and pyrolytic reaction efficient is lower, and pyrolysis inflammable gas output is little, calorific value is low; Tar output is big, and coke output is little etc.; Fluidized-bed and bubbling bed accessory have material and bed sand full contact; Characteristics such as good heat-transfer; But blow bed material formation fluidized because it need be medium with the rare gas element in operational process, expensive in the pyrolytic process of solid waste is difficult in the industry realize; Produce with batch production technique that there is inefficiency in a gac, problem such as yield poorly.
Summary of the invention
The present invention provides a kind of preparing activated carbon by using organic wastes integrated apparatus and method; This installation method is through carrying out pyrolysis to organic solid castoff; Produce pyrolysis coke, and then pyrolysis coke is carried out high-temperature activation, reach the purpose of integrated continuous production gac.
Technical scheme of the present invention is following:
Preparing activated carbon by using organic wastes integrated apparatus of the present invention is made up of pyrolysis bed bioreactor and activating bed reactor drum.Wherein the pyrolysis bed bioreactor comprises thermal insulation layer, buncher, screw rod, agitator arm, spiral vane, thermopair, volution flue and gas-holder; Wherein activating bed reactor drum is made up of buncher, agitator arm, thermopair, spiral vane, screw rod and thermal insulation layer.
Pyrolysis bed bioreactor outside is equipped with the volution flue, and the volution flue is around pyrolysis bed bioreactor pipe furnace outside wall surface, and this volution flue outside wall surface is surrounded by thermal insulation layer.High-temperature flue gas gets in the flue from volution flue one side, and for the pyrolytic reaction body of heater provides heat, tail gas becomes cold flue gas through after the heat exchange, discharges from the other side of volution flue.In pyrolysis bed bioreactor inside screw feeding device is installed, the effect of this device is so long as push reaction mass and push ahead.In the pyrolysis bed bioreactor, stainless screw rod is built in the central position, and screw rod one end is connected with buncher, and motor speed is adjustable, drives the rotation of inside reactor blade through the running of motor, thereby plays the agitaion to reaction mass.Agitator arm is equidistant, equal angles is installed between the screw-blade, and the quantity of agitator arm is several.It is to promote material plays stirring to material in the process that Way out promotes effect at spiral vane that the effect of agitator arm increases.On the screw rod in the pyrolysis bed bioreactor spiral vane is installed; In the outside of pyrolysis reactor the volution flue is installed; Hot flue gas gets into from the hot gas approach of volution flue, for the pyrolysis bed bioreactor provides heat, discharges from the air outlet through cold flue gas after the heat exchange.Twine with insulating cotton at volution flue skin, form thermal insulation layer.Seal between screw rod and the pyrolysis bed bioreactor.
Material is through getting into activating bed reactor drum behind the pyrolysis reactor.The structure of activating bed reactor drum and pyrolysis bed bioreactor are similar, and difference is that activating bed reactor drum does not have the spiral flue device.Get into activating bed greater than 1000 ℃ hyperthermia and superheating water vapors from activating bed ingress one end; With get into activating bed material reaction from the pyrolysis bed; Place the volution feeder promotion material of activating bed inside to advance to the exit; Agitator arm stirs the material intensified response in the process that promotes, and the gas that reaction produces is discharged from activating bed venting port.According to practical situation, can increase a plurality of identical activated to increase soak time.
After through the heating of volution flue wall, organic solid castoff gets into through opening for feed, under the agitaion of blade, and organic solid castoff generation pyrolytic reaction, the generation composition is H
2, CO, CO
2, CH
4, C
2-C
3, many carbon macromole gaseous substance and coke, gaseous substance is discharged reactor drum through venting hole, through condensation, separate the back and form tar and inflammable gas.The coke class material that pyrolytic reaction forms under the stirring action of blade, the removal system from the exit gradually.Under the effect of hyperthermia and superheating water vapor, priming reaction takes place and generates gac in coke in activating bed, and the gas that reaction produces is discharged system through venting hole.According to practical situation, can increase a plurality of identical activated to increase soak time.
Effect of the present invention and benefit are: pyrolysis bed bioreactor and activating bed reactor assembly have simple in structure, compact in design, simple to operate, safe and efficient, and mixing of materials is even, but advantages such as reaction efficiency height and continuous production.Through the stirring to material of spiral vane and agitator arm, reach and solved the problem of pyrolysis activation integral continuous production gac.
Description of drawings
Accompanying drawing is an external-heat thermal analysis device for thermosetting carrier of turnover bed synoptic diagram.
Among the figure: 1 buncher; 2 air outlets pipe; 3 agitator arms; 4 thermopairs; 5 screw-blades; 6 discharge ports; 7 high-temperature steam inlet mouths; 8 screw rods; 9 activating bed reactor drums; 10 thermal insulation layers; 11 thermal insulation layers; 12 bunchers; 13 screw rods; 14 pyrolysis bed bioreactors; 15 tail gas air outlets; 16 opening for feeds; 17 agitator arms; 18 screw-blades; 19 thermopairs; 20 volution flues; 21 hot gas approachs; The outlet of 22 pyrolysis aerogenesis; 23 gas-holder.
Embodiment
Specify embodiments of the invention below in conjunction with technical scheme and accompanying drawing.
Case study on implementation
Preparing activated carbon by using organic wastes integrated apparatus of the present invention is made up of pyrolysis bed bioreactor 14 and activating bed reactor drum 9.Wherein pyrolysis bed bioreactor 14 is made up of thermal insulation layer 11, buncher 12, screw rod 13, agitator arm 17, spiral vane 18, thermopair 19, volution flue 20 and gas-holder 23; Activating bed reactor drum 9 is made up of buncher 1, agitator arm 3, thermopair 4, spiral vane 5, screw rod 8, thermal insulation layer 10.
In pyrolysis bed bioreactor 14; Stainless screw rod 13 is built in the central position, and screw rod 13 1 ends are connected with buncher 12, on the screw rod 13 in the pyrolysis bed bioreactor 14 spiral vane 18 is installed; In the outside of pyrolysis reactor volution flue 20 is installed; Hot flue gas gets into from the hot gas approach 21 of volution flue 20, for pyrolysis bed bioreactor 14 provides heat, through 15 discharges from the air outlet of cold flue gas after the heat exchange.Twine with insulating cotton at volution flue 20 skins, form thermal insulation layer 11.Sealing between screw rod 13 and the pyrolysis bed bioreactor 14.Material gets into from opening for feed 16 and begins reaction in the reactor drums 14, under the pushing effect of spiral vane 18, discharges gradually and gets into activating bed reactor drum, and the pyrolysis gas that produce in the pyrolysis bed bioreactor 14 22 escape and enter gas-holder 23 from the air outlet.Materials such as coke that reaction generates and residue are discharged pyrolysis bed bioreactor 14 under the promotion of spiral vane, get into activating bed reactor drum 9.Under the effect of buncher 1, coke is pushed to activating bed reactor outlet 6 by spiral vane 5.In this process, the hyperthermia and superheating water vapor gets into activating bed reactor drum 9 from inlet mouth 7, and high-temperature water vapor and coke generation priming reaction generate gac, and the gas that reaction produces is 2 discharges from the air outlet.
According to the temperature of reaction that thermopair detects, regulate inlet amount and motor speed, keep the temperature of temperature and activating bed reactor drum 9 in the pyrolysis bed bioreactor 14 to be stabilized in a certain temperature between 600-800 ℃ and the 700-1000 ℃ of scope respectively.Reaktionsofen inner screw and spiral vane adopt the high temperature resistant stainless steel material.The entire reaction stove should have good heat-insulating property, prevents that calorific loss from causing temperature of reaction to descend.
Claims (2)
1. preparing activated carbon by using organic wastes integrated apparatus is characterized in that:
Integrated apparatus is made up of pyrolysis bed bioreactor (14) and activating bed reactor drum (9); Wherein pyrolysis bed bioreactor (14) is made up of thermal insulation layer (11), buncher (12), screw rod (13), agitator arm (17), spiral vane (18), thermopair (19), volution flue (20) and gas-holder (23); Activating bed reactor drum (9) is made up of buncher (1), agitator arm (3), thermopair (4), spiral vane (5), screw rod (8), thermal insulation layer (10);
In pyrolysis bed bioreactor (14); Screw rod (13) is built in the central position, and screw rod (13) one ends are connected with buncher (12), on the screw rod (13) in the pyrolysis bed bioreactor (14) spiral vane (18) is installed; Volution flue (20) is installed in the outside of pyrolysis reactor; Hot flue gas gets into from the hot gas approach (21) of volution flue (20), for pyrolysis bed bioreactor (14) provides heat, through (15) discharge from the air outlet of cold flue gas after the heat exchange; Outer at volution flue (20) with the insulating cotton winding, form thermal insulation layer (11); Sealing between screw rod (13) and the pyrolysis bed bioreactor (14); Material gets into from opening for feed (16) and begins reaction in the reactor drum (14); Under the pushing effect of spiral vane (18), discharge gradually and get into activating bed reactor drum, (22) escape and enter gas-holder (23) to the pyrolysis gas that produces in the pyrolysis bed bioreactor (14) from the air outlet; Materials such as coke that reaction generates and residue are discharged pyrolysis bed bioreactor (14) under the promotion of spiral vane, get into activating bed reactor drum (9); Under the effect of buncher (1), coke is pushed to activating bed reactor outlet (6) by spiral vane (5); In this process, the hyperthermia and superheating water vapor gets into activating bed reactor drum (9) from inlet mouth (7), and high-temperature water vapor and coke generation priming reaction generate gac, and the gas that reaction produces is (2) discharge from the air outlet.
2. utilize the method for the said device of claim 1, it is characterized in that:
Organic solid castoff gets into the pyrolysis bed bioreactor from the opening for feed of pyrolysis bed bioreactor; High-temperature flue gas gets in the flue from volution flue one side, and for the pyrolytic reaction body of heater provides heat, tail gas becomes cold flue gas through after the heat exchange, discharges from the other side of volution flue; Material is through getting into activating bed reactor drum behind the pyrolysis reactor; Get into activating bed greater than 1000 ℃ hyperthermia and superheating water vapors from activating bed ingress one end; With get into activating bed material reaction from the pyrolysis bed; Place the volution feeder promotion material of activating bed inside to advance to the exit; Agitator arm stirs the material intensified response in the process that promotes, and the gas that reaction produces is discharged from activating bed venting port; Increase a plurality of identical activated and increase soak time;
After through the heating of volution flue wall, organic solid castoff gets into through opening for feed, under the agitaion of blade, and organic solid castoff generation pyrolytic reaction, the generation composition is H
2, CO, CO
2, CH
4, C
2-C
3, many carbon macromole gaseous substance and coke, gaseous substance is discharged reactor drum through venting hole, through condensation, separate the back and form tar and inflammable gas; The coke class material that pyrolytic reaction forms under the stirring action of blade, the removal system from the exit gradually; Under the effect of hyperthermia and superheating water vapor, priming reaction takes place and generates gac in coke in activating bed, and the gas that reaction produces is discharged system through venting hole; Increase a plurality of identical activated and increase soak time.
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| CN2009103101732A CN101850967B (en) | 2009-11-21 | 2009-11-21 | An integrated device and method for producing activated carbon from organic waste |
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| CN2009103101732A CN101850967B (en) | 2009-11-21 | 2009-11-21 | An integrated device and method for producing activated carbon from organic waste |
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| CN101850967B true CN101850967B (en) | 2012-02-29 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102765973B (en) * | 2011-05-03 | 2014-09-24 | 密西西比国际水务有限公司 | Organic waste pyrolysis, carbonization and activation method and device thereof |
| CN102786967A (en) * | 2011-05-19 | 2012-11-21 | 中国科学院城市环境研究所 | Method for preparing biochar from using sludge |
| CN103420368B (en) * | 2013-07-20 | 2015-04-29 | 大连理工大学 | Integrated device and method for continuous preparation of activated carbon |
| CN105838400A (en) * | 2016-05-26 | 2016-08-10 | 北京神雾环境能源科技集团股份有限公司 | System and method for preparing activated carbon from biomass |
| CN108929013B (en) * | 2018-09-29 | 2021-04-13 | 南京华昭环保设备有限公司 | Device for pyrolysis treatment of sludge |
| CN111253962A (en) * | 2020-03-11 | 2020-06-09 | 黑龙江九地生金科技有限公司 | Pyrolysis device for environment-friendly disposal of industrial hazardous waste tar residues |
| CN112694088B (en) * | 2021-01-21 | 2023-08-04 | 东南大学 | Device and method for preparing hydrogen storage carbon material by adopting biomass pyrolysis gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201172626Y (en) * | 2008-01-15 | 2008-12-31 | 章水根 | Two-stage continuous activated carbon production device with internal and external heat combination |
| CN101519202A (en) * | 2009-04-16 | 2009-09-02 | 王立新 | Carbonization-activation integral furnace for producing active carbon |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201172626Y (en) * | 2008-01-15 | 2008-12-31 | 章水根 | Two-stage continuous activated carbon production device with internal and external heat combination |
| CN101519202A (en) * | 2009-04-16 | 2009-09-02 | 王立新 | Carbonization-activation integral furnace for producing active carbon |
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