CN104211060B - A kind of magnetic-type circulation pyrolyzer producing activated carbon from activated sludge - Google Patents
A kind of magnetic-type circulation pyrolyzer producing activated carbon from activated sludge Download PDFInfo
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- CN104211060B CN104211060B CN201410441227.XA CN201410441227A CN104211060B CN 104211060 B CN104211060 B CN 104211060B CN 201410441227 A CN201410441227 A CN 201410441227A CN 104211060 B CN104211060 B CN 104211060B
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
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Abstract
The invention discloses a kind of magnetic-type circulation pyrolyzer producing activated carbon from activated sludge, utilize the circular pipe that a cross section is rectangle, the biomass rice husk transmitting and bring and transmit and be mixed with iron-based catalysis is laid in bottom, rice husk in transmittance process through the combustion chamber of pipeline external thus by pyrolysis, gas subsequently in pyrolysis product is taken away by off-gas pump, and through cyclonic separator, residual gas and air mixed inject combustion chamber, and in combustion chamber combustion, realize the recycle of the energy.Solid product lays the part of magnet through top, ferrum-based catalyst is reclaimed by magnet, and remaining solid is blocked through baffle plate, is blown off in the ash-pit of bottom by top fan.Structure of the present invention is simple, and easy to operate, solid circulation path improves the processing efficiency of rice husk, and gas circulation path improves the utilising efficiency of the energy, and the recovery of catalyzer greatly reduces cost.
Description
Technical field
The invention belongs to pyrolysis plant, be specifically related to a kind of magnetic-type circulation pyrolyzer producing activated carbon from activated sludge.
Background technology
Rice husk is one of important agricultural wastes, and only China just has an appointment the output of 4,000 ten thousand tons every year.As the reproducible biomass resource of one, rice husk is typically used as fuel and directly burns to provide heat, but utilizes grade relatively low.Pyrolysis is one of hot spot technology of current biomass research, by pyrolysis, rice husk can be converted into high-grade combustible gas and easily store, transport and the high gac of energy density, produce the inflammable gass such as methane simultaneously.
Gac is one of staple product of gac chemical industry, and its output accounts for the 3%-4% of shove charge coal, and its composition is very complicated, be in most cases carried out specially being separated by gac industry, purify after be used.The each cut of gac is processed further, separable go out multiple product, as product naphthalene, can be used to produce Tetra hydro Phthalic anhydride, for production resin, engineering plastics, dyestuff, paint and pharmaceutical etc.Product phenol can produce synthon, engineering plastics, agricultural chemicals, medicine, fuel intermediate, explosive etc.The application in the industry of visible gac is very extensive.
Patent 1: a kind of preparation method's (application number: CN201310408800.2, date of application: 2013-09-10) of continuous biomass gac: comprise the following steps: (1) activates: activate biomass material with phosphoric acid under ultrasonic wave added; (2) microwave heating charing: microwave power is 500-800W, and carbonization time is 3-10min, obtains gac crude product, imports moisture gas absorber by reaction gained gas simultaneously; (3) water vapor purging washing and condensation dry: adopt water vapor to carry out purging to gac and wash, after enter condensate dryer drying, obtain active carbon finished products; (4) phosphoric acid is reclaimed: collect the absorption liquid in gas absorber and the middle water vapor purging residual gas phlegma of step (3), be recovery phosphoric acid solution.This equipment energy consumption is higher, complex structure, and efficiency of energy utilization is not high.
Summary of the invention
The object of the present invention is to provide a kind of magnetic-type circulation pyrolyzer producing activated carbon from activated sludge, the processing efficiency of rice husk is improve by solid circulation path, improve the utilising efficiency of the energy by gas circulation path, and the recovery of catalyzer greatly reduces cost.
The technical solution realizing the object of the invention is: a kind of magnetic-type circulation pyrolyzer for producing activated carbon from activated sludge, comprises feeder, pyrolysis pipeline, combustion chamber, magnet, travelling belt, fan, baffle plate, ash-pit, portfire, gas circuit, off-gas pump, cyclonic separator, pneumatic pump, burner, venting port; The circulating line of pyrolysis pipeline to be cross section be rectangle, travelling belt is arranged on pyrolysis pipeline bottom surface, for transmitting rice husk, pyrolysis pipeline is provided with feeder successively, combustion chamber, gas circuit, magnet, fan, baffle plate; Combustion chamber is enclosed within pyrolysis pipeline external, and combustion chamber is provided with burner, portfire and venting port; Magnet is arranged on pyrolysis pipeline end face inwall; Fan is arranged on pyrolysis pipeline end face inwall, and near baffle plate, ash-pit is positioned at the below of pyrolysis pipeline, gas circuit is connected with off-gas pump, off-gas pump is connected with cyclonic separator again, cyclonic separator is connected with burner with pneumatic pump, and the gas transmitted by cyclonic separator gas out and pneumatic pump enters burner simultaneously, and is mixed into combustion chamber.
Above-mentioned combustion chamber is between feeder and gas circuit, and be the box body closed, be wrapped in wherein by pyrolysis pipeline, burner is arranged on the one end near feeder, and portfire is near burner, and venting port is arranged on the one end near gas circuit.
Pyrolysis pipeline below said fans has discharge gate, and ash-pit is arranged on below discharge gate, and the width of ash-pit is greater than pyrolysis duct width.
The present invention compared with prior art, its remarkable advantage: (1) the present invention proposes the recycle system of gas and solid, main containing gac, methane in the gas that rice husk thermal decomposition produces, wherein methane is inflammable gas, circulate with air mixed co-injection in combustion chamber by gas circuit, the energy of pyrolysis is provided, so greatly saves the energy required for pyrolysis; (2) rice husk adding ferrum-based catalyst enters travelling belt by feeder and is formed self-styled, solid circulation system enables equipment non-stop run, improves device processes amount, can adsorb ferrum-based catalyst simultaneously through magnet region, and regularly it is reclaimed, reduce and produce cost.
Accompanying drawing explanation
Fig. 1 is magnetic-type circulation pyrolyzer devices front view.
Fig. 2 is magnetic-type circulation pyrolyzer devices top plan view.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
A kind of magnetic-type circulation pyrolyzer producing activated carbon from activated sludge, utilize the circular pipe that a cross section is rectangle, the biomass rice husk transmitting and bring and transmit and be mixed with iron-based catalysis is laid in bottom, rice husk in transmittance process through the combustion chamber of pipeline external thus by pyrolysis, gas subsequently in pyrolysis product is taken away by off-gas pump, and through cyclonic separator, residual gas and air mixed inject combustion chamber, and in combustion chamber combustion, realize the recycle of the energy.Solid product lays the part of magnet through top, ferrum-based catalyst is reclaimed by magnet, and remaining solid is blocked through baffle plate, is blown off in the ash-pit of bottom by top fan.
With process 32.4m per hour
3gac is example:
The geometrical characteristic parameter of magnetic-type circulation pyrolyzer is: the overall long 3000mm of pyrolysis pipeline 2, wide 1500mm; The wide 300mm of pyrolysis pipeline 2, high 300mm; The long 1500mm in combustion chamber 3, wide 1500mm; The long 500mm of magnet 4, wide 300mm, high 100mm; The wide 300mm of baffle plate 7; The long 500mm of ash-pit 8, wide 200mm, high 1000mm.
The Typical Disposition of parameters of operating part is as follows:
(1) off-gas pump: centrifugal blower, flow 500m
3/ h, pressure head 350Pa, speed control by frequency variation;
(2) belt-driven motor: three-phase asynchronous motor, rotating speed 1r/min;
(3) pneumatic pump: centrifugal blower, flow 500m
3/ h, pressure head 350Pa, speed control by frequency variation;
Key operating parameters is as follows:
1kg rice husk, is about 500kJ from 25 DEG C of heats be raised to needed for 500 DEG C.
Rice husk fixed carbon content: 17%
In rice husk thermal decomposition gas, methane content is: 5%
Methane pyrolysis: 890.31kJ/mol
Rice husk tap density: 500kg/m
3
Composition graphs 1 and Fig. 2, for producing a magnetic-type circulation pyrolyzer for activated carbon from activated sludge, comprise feeder 1, pyrolysis pipeline 2, combustion chamber 3, magnet 4, travelling belt 5, fan 6, baffle plate 7, ash-pit 8, portfire 9, gas circuit 10, off-gas pump 11, cyclonic separator 12, pneumatic pump 13, burner 14, venting port 15.Pyrolysis pipeline 2 for cross section be the circulating line of rectangle, travelling belt 5 is arranged on pyrolysis pipeline 2 bottom surface, for transmitting rice husk, pyrolysis pipeline 2 is provided with feeder 1 successively, combustion chamber 3, gas circuit 10, magnet 4, fan 6, baffle plate 7, it is outside that combustion chamber 3 is enclosed within pyrolysis pipeline 2, and combustion chamber 3 is provided with burner 14, portfire 9 and venting port 15; Magnet 4 is arranged on pyrolysis pipeline 2 end face inwall; Fan 6 is arranged on pyrolysis pipeline 2 end face inwall, and near baffle plate 7, ash-pit 8 is positioned at the below of pyrolysis pipeline 2.Gas circuit 10 is connected with off-gas pump 11, off-gas pump 11 is connected with cyclonic separator 12 again, cyclonic separator 12 is connected with burner 14 with pneumatic pump 13 again, and the gas transmitted by cyclonic separator 12 gas out and pneumatic pump 13 enters burner 14 simultaneously, and is mixed into combustion chamber 3.
Combustion chamber 3 is between feeder 1 and gas circuit 10, and be the box body closed, be wrapped in wherein by pyrolysis pipeline 2, burner 14 is arranged on the one end near feeder 1, and portfire 9 is near burner 14, and venting port 15 is arranged on the one end near gas circuit 10.
Pyrolysis pipeline 2 below fan 6 has discharge gate, and ash-pit 8 is welded on discharge gate, and the width of ash-pit 8 is greater than pyrolysis pipeline 2 width.
Leave 0.5cm space between baffle plate 7 and travelling belt 5, while ensureing that travelling belt 5 transmits, prevent rice hull ash by baffle plate 7.
Working process:
Be mixed with the product after the rice husk thermal decomposition of ferrum-based catalyst and mainly comprise gac and methane, gac can be used for industrial utilization after collecting, and methane gas enters combustion chamber 3 by burner 14, as the energy source of next pyrolysis.
Travelling belt 5 rotates, and the rice husk being mixed with ferrum-based catalyst is put into feeder 1, and rotate on the travelling belt 5 that rice husk falls into pyrolysis pipeline 2 and along with travelling belt 5, system forms closed state; Rice husk is first through combustion chamber 3, the heat that in combustion chamber 3, methyl hydride combustion provides is by rice husk thermal decomposition, pyrolysis product leaves combustion chamber 3, and gaseous product is extracted out by gas circuit 10 by off-gas pump 11, and gaseous product is through cyclonic separator 12, cyclonic separator 12 by Activated carbon separation out, residual gas enters burner 14, and pneumatic pump 13 injects air simultaneously, and injects combustion chamber after premix in burner, lighted by portfire 9, the gas after burning is got rid of by 15; Pyrolysis solid product is through magnet 4, and ferrum-based catalyst reclaims by magnet 4, and remaining solid product is blocked through baffle plate 7, and top fan 6 is blown off in ash-pit 8.
Structure of the present invention is simple, and easy to operate, solid circulation path improves the processing efficiency of rice husk, and gas circulation path improves the utilising efficiency of the energy, and the recovery of catalyzer greatly reduces cost.
Claims (3)
1. for producing a magnetic-type circulation pyrolyzer for activated carbon from activated sludge, it is characterized in that: comprise feeder (1), pyrolysis pipeline (2), combustion chamber (3), magnet (4), travelling belt (5), fan (6), baffle plate (7), ash-pit (8), portfire (9), gas circuit (10), off-gas pump (11), cyclonic separator (12), pneumatic pump (13), burner (14), venting port (15); Pyrolysis pipeline (2) for cross section be the circulating line of rectangle, travelling belt (5) is arranged on pyrolysis pipeline (2) bottom surface, for transmitting the rice husk being mixed with ferrum-based catalyst, pyrolysis pipeline (2) is provided with successively feeder (1), combustion chamber (3), gas circuit (10), magnet (4), fan (6), baffle plate (7); It is outside that combustion chamber (3) is enclosed within pyrolysis pipeline (2), and combustion chamber (3) are provided with burner (14), portfire (9) and venting port (15); Magnet (4) is arranged on pyrolysis pipeline (2) end face inwall; Fan (6) is arranged on pyrolysis pipeline (2) end face inwall, and near baffle plate (7), ash-pit (8) is positioned at the below of pyrolysis pipeline (2), gas circuit (10) is connected with off-gas pump (11), off-gas pump (11) is connected with cyclonic separator (12) again, cyclonic separator (12) is connected with burner (14) with pneumatic pump (13), and the gas transmitted by cyclonic separator (12) gas out and pneumatic pump (13) enters burner (14) simultaneously, and is mixed into combustion chamber (3).
2. the magnetic-type circulation pyrolyzer for producing activated carbon from activated sludge according to claim 1, it is characterized in that: above-mentioned combustion chamber (3) are positioned between feeder (1) and gas circuit (10), for the box body closed, pyrolysis pipeline (2) is wrapped in wherein, burner (14) is arranged on the one end near feeder (1), portfire (9) is near burner (14), and venting port (15) is arranged on the one end near gas circuit (10).
3. the magnetic-type circulation pyrolyzer for producing activated carbon from activated sludge according to claim 1, it is characterized in that: the pyrolysis pipeline (2) of said fans (6) below has discharge gate, ash-pit (8) is arranged on below discharge gate, and the width of ash-pit (8) is greater than pyrolysis pipeline (2) width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441227.XA CN104211060B (en) | 2014-09-01 | 2014-09-01 | A kind of magnetic-type circulation pyrolyzer producing activated carbon from activated sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441227.XA CN104211060B (en) | 2014-09-01 | 2014-09-01 | A kind of magnetic-type circulation pyrolyzer producing activated carbon from activated sludge |
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| CN104211060A CN104211060A (en) | 2014-12-17 |
| CN104211060B true CN104211060B (en) | 2016-01-20 |
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| CN201410441227.XA Expired - Fee Related CN104211060B (en) | 2014-09-01 | 2014-09-01 | A kind of magnetic-type circulation pyrolyzer producing activated carbon from activated sludge |
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| CN116354347B (en) * | 2023-03-31 | 2023-12-29 | 石家庄市博通宇工贸有限公司 | Improved active carbon production equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0682099A1 (en) * | 1994-05-09 | 1995-11-15 | AGR Abfallentsorgungs-Gesellschaft Ruhrgebiet mit beschränkter Haftung | Process and apparatus for treating composite packaging material and/or plastic wastes and use of the solid carbonaceous pyrolysis residue |
| CN102249225A (en) * | 2011-06-13 | 2011-11-23 | 福建省龙岩龙能粉煤灰综合利用有限公司 | System using biomass for heat supply for producing activated carbon by fly ash |
| CN202153013U (en) * | 2010-12-23 | 2012-02-29 | 杭州星宇炭素科技有限公司 | Biomass high-temperature flue gas furnace for activated charcoal rotary type activation furnace |
| CN102689900A (en) * | 2012-06-27 | 2012-09-26 | 闫涛 | Novel method for utilizing rubber wood timber brushwood and slab sawdust |
-
2014
- 2014-09-01 CN CN201410441227.XA patent/CN104211060B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0682099A1 (en) * | 1994-05-09 | 1995-11-15 | AGR Abfallentsorgungs-Gesellschaft Ruhrgebiet mit beschränkter Haftung | Process and apparatus for treating composite packaging material and/or plastic wastes and use of the solid carbonaceous pyrolysis residue |
| CN202153013U (en) * | 2010-12-23 | 2012-02-29 | 杭州星宇炭素科技有限公司 | Biomass high-temperature flue gas furnace for activated charcoal rotary type activation furnace |
| CN102249225A (en) * | 2011-06-13 | 2011-11-23 | 福建省龙岩龙能粉煤灰综合利用有限公司 | System using biomass for heat supply for producing activated carbon by fly ash |
| CN102689900A (en) * | 2012-06-27 | 2012-09-26 | 闫涛 | Novel method for utilizing rubber wood timber brushwood and slab sawdust |
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Granted publication date: 20160120 Termination date: 20170901 |