CN110079351A - It is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core - Google Patents
It is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core Download PDFInfo
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- CN110079351A CN110079351A CN201910465221.9A CN201910465221A CN110079351A CN 110079351 A CN110079351 A CN 110079351A CN 201910465221 A CN201910465221 A CN 201910465221A CN 110079351 A CN110079351 A CN 110079351A
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- 239000002028 Biomass Substances 0.000 title claims abstract description 44
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000005516 engineering process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims abstract description 23
- 239000012075 bio-oil Substances 0.000 claims abstract description 19
- 239000011229 interlayer Substances 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000003610 charcoal Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 62
- 239000002245 particle Substances 0.000 claims description 30
- 238000005336 cracking Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 239000000047 product Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 239000000567 combustion gas Substances 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000004227 thermal cracking Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000006227 byproduct Substances 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000008246 gaseous mixture Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 5
- 238000010924 continuous production Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000002803 fossil fuel Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core, feeding device, pyrolysis reactor, cyclone separator including passing sequentially through pipeline connection, pyrolysis reactor uses helix tube moving-burden bed reactor, cyclone separator connects charcoal collection device, bio oil collection device by pipeline respectively, and the gas that cyclone separator is isolated is sent via pipeline to reactor interlayer by air-introduced machine.The present invention does not need any fossil fuel, belongs to spontaneous-heating type using the fixed gas generated in process as heat source, can save production cost；Temperature of reactor can be controlled by adjusting the air-fuel mixture amount of fixed gas and air, effectively adjust the distribution of biomass through pyrolysis product and purpose product yield；Have continuous production ability, stable equipment operation, any pollutant, environmental protection and economy are not discharged in entire process flow.
Description
Technical field
The invention belongs to field of energy and chemical technologys, are related to a kind of using helix tube moving-burden bed reactor as the biomass of core
Thermal cracking production technology.
Background technique
In face of energy crisis, biomass, which is used as, can uniquely be converted to alternative conventional liquid petroleum fuel and other chemicals
Renewable resource, development and utilization are the key subjects of current extensive concern both at home and abroad.At present to biomass trans-utilization side
In terms of the research of formula is concentrated mainly on thermochemical study, wherein biomass pyrolysis liquefaction technology be its important way for utilizing it
One, which can largely alleviate the energy crisis and environmental pollution of today's society, be human development renewable resource
Effective way.
Biomass through pyrolysis refers to that biomass is pyrolyzed under conditions of complete anoxic or limited oxygen supply, ultimately generates
The process of three liquid bio-oil, fuel gas and solid biomass charcoal component parts.Biomass fast pyrogenation is development and utilization
The effective way of biomass energy, medium temperature (about 500 DEG C), Gao Jiare rate of heat transfer and extremely short gas residence time (usually less than
Under conditions of 2s), biomass, which is directly heated, makes its cracking, is rapidly cooled before the volatile matter second pyrolysis of generation, from
And obtain high yield liquid biological oil.
Although the research of biomass fast pyrolysis starts from the 1970s, domestic related research and development institution is in wooden fibre
It is achieved on the methods of the hydrolysis of dimension element, fermentable sugars biological utilisation and metabolite isolation and purification and key technology great prominent
It is broken, but in fast pyrolysis technology exploitation, not yet break through the difficulty of large-scale production and complete set of equipments, rest on mostly pilot scale and
Development phase before pilot scale.Because the thermal cracking process of use is different, biomass material is different, and there is no best thermal crackings
Technique.Main problem existing for technique is that treating capacity is low at present, and production capacity is small, and the condition of rapid cleavage is not easy to control, thermal energy
Utilization rate is not high, larger to yield impact.Therefore the practical utilization technology of biomass energy that further develop high-efficiency cleaning, makes to give birth to
The fairly large industrialized production of material pyrolysis bio oil technological direction, it is necessary to research and develop a set of new process.
Summary of the invention
The shortcomings that in order to overcome prior art and deficiency, realize serialization preparing bio-oil, and the present invention provides one kind with spiral shell
Coil moving-burden bed reactor is the biomass through pyrolysis production technology of core.
It is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core, including pass sequentially through pipeline
Feeding device, pyrolysis reactor, the cyclone separator of connection, pyrolysis reactor use helix tube moving-burden bed reactor, rotation
Wind separator connects charcoal collection device, bio oil collection device by pipeline respectively, and the gas that cyclone separator is isolated passes through
Air-introduced machine is sent via pipeline to reactor interlayer.Helix tube moving-burden bed reactor is jacket type structure, from top to bottom includes preheating
Section, changeover portion and conversion zone, material inlet setting is in reactor head, and product exit setting is in reactor bottom, combustion gas and sky
In reactor interlayer bottom, waste gas outlet is arranged at the top of reactor interlayer the setting of gas entrance, the setting of reactor interlayer outer wall every
Heat and gas barrier layer.Helix tube is isodiametric cylindrical structure, and screw diameter range is 600~1000mm, and screw pitch range is
1500~2500mm, preheating section and conversion zone length relation meet 1:1 condition.Compared with present reactor, have the advantage that
1) biological particles in reactor are heated as heat source using the fixed gas that biomass through pyrolysis generates, is made full use of
The calorific value of flammable fixed gas, belongs to spontaneous-heating type, being capable of save the cost；2) by controlling gas quantity and entering the air of burner hearth
Proportion adjustment burner hearth bulk temperature is measured, to adjust the distribution of pyrolysis product and the yield of purpose product；3) design one of helix tube
Aspect can extend residence time of the biological particles in reactor, on the other hand can increase particle and reactor wall surface it
Between friction, strengthening heat transfer so that particle cracking it is more abundant, effectively improve the yield of bio oil.
Preferably: feeding device includes motor, hopper and feeding screw, and motor is arranged in feeding screw side,
Hopper is arranged in feeding screw feeding end, and feeding screw discharge end is connected to reactor head by pipeline.
Preferably: fixed gas first passes through gas mixer via pipeline before sending to reactor interlayer.
Preferably: cyclone separator is level-one or two-stage tandem cyclone separator.
Preferably: cyclone separator bottom connects charcoal collection device by pipeline.
Preferably: heat exchanger is connected at the top of cyclone separator, heat exchanger collects dress via pipeline connection bio oil respectively
It sets and gas transmission pipeline.
Preferably: heat exchanger is level-one or two-stage tandem heat exchanger.
Preferably: pipeline is equipped with valve.
Equipment operating procedure are as follows: biological particles enter helix tube moving bed reaction under the action of screw feeder (3)
Device (6), in whole set process process, under the action of air-introduced machine (22), cracking gas is drawn from helix tube moving-burden bed reactor (6)
Into cyclone separator (12), solid particle and gas after gas solid separation respectively enter carbon collector (14) and heat exchanger
(16), gas is condensed into bio oil and fixed gas by the cooling of heat exchanger (16), and bio oil enters biological oil interceptor (18),
It is that biomass through pyrolysis is anti-that fixed gas, which enters return helix tube moving-burden bed reactor (6) after gas mixer (20) mixes with air,
Heat should be provided.
The present invention has the advantage that core in the 1) process flow compared with existing biomass through pyrolysis production technology
Device biomass through pyrolysis reactor uses helix tube moving-burden bed reactor, and helical design can extend the stop of biological particles
Time, and increase the friction between particle and reactor wall surface, strengthening heat transfer guarantees that particle sufficiently cracks, improves biology
The yield of oil；2) process flow is not by needing any fossil combustion using the fixed gas generated in process as heat source
Material, belongs to spontaneous-heating type, can save production cost；3) mixing of adjusting fixed gas and air can be passed through in the process flow
Tolerance controls temperature of reactor, can effectively adjust the distribution of biomass through pyrolysis product and purpose product yield；4) has company
Any pollutant, environmental protection and economy are not discharged in continuousization production capacity, stable equipment operation, entire process flow.
Detailed description of the invention
Fig. 1 is the continuous production technology schematic diagram of preparing bio-oil from biomass through pyrolysis.
In figure: 1- motor, 2- hopper, 3- screw feeder, 4- pipeline, 5- waste gas outlet, 6- helix tube moving bed reaction
Device, 7- combustion gas and air intake, 8- pipeline, 9- pipeline, 10- air-introduced machine, 11- pipeline, 12- cyclone separator, 13- pipeline, 14-
Carbon collector, 15- pipeline, 16- heat exchanger, 17- pipeline, 18- biology oil interceptor, 19- pipeline, 20- gas mixer, 21- pipe
Road, 22- air-introduced machine, 23- pipeline, 24- air-introduced machine, 25- pipeline.
Fig. 2 is helix tube moving-burden bed reactor structural schematic diagram；
Fig. 3 is reactor inlet top view in Fig. 2；
Fig. 4 is reactor outlet bottom view in Fig. 2.
In figure: 601- material inlet, 602- reactor preheating section, 603- reactor changeover portion, 604- reactor reaction section,
605- waste gas outlet, 606- product exit, 607- combustion gas and air intake, 608- thermal insulation layer and gas barrier layer.
Specific embodiment
Explanation that technical scheme of the present invention will be further described With reference to embodiment:
Fig. 1 is the continuous production technology schematic diagram of preparing bio-oil from biomass through pyrolysis provided by the invention, main to wrap
It includes: 1- motor；2- hopper；3- screw feeder；6- helix tube moving-burden bed reactor；10- air-introduced machine；12- cyclone separator；
14- carbon collector；16- heat exchanger；18- biology oil interceptor；20- gas mixer；22- air-introduced machine；24- air-introduced machine.Helix tube
Moving-burden bed reactor (6) is connect with screw feeder (3) by pipeline (4)；Helix tube moving-burden bed reactor (6) and cyclonic separation
Device (12) is connected by pipeline (8)；Helix tube moving-burden bed reactor (6) is connect with air-introduced machine (10) by pipeline (9)；Whirlwind point
It is connect with carbon collector (14) by pipeline (13) from device (12)；Cyclone separator (12) and heat exchanger (16) are connected by pipeline (11)
It connects；Heat exchanger (16) is connect with biological oil interceptor (18) by pipeline (17)；Heat exchanger (16) and air-introduced machine (22) pass through pipe
Road (19) connection；Air-introduced machine (22) is connect with gas mixer (20) by pipeline (21)；Gas mixer (20) and air-introduced machine
(24) it is connected by pipeline (23)；Gas mixer (20) is connect with air-introduced machine (10) by pipeline (15).
Biomass storage is in hopper (2) in the biomass through pyrolysis technological process of production, and screw feeder (3) is in motor
(1) under drive, biomass is sent at the top of helix tube moving-burden bed reactor (6) by pipeline (4), biomass through pyrolysis occurs
(biological particles continuously enter reactor by material inlet (601), are added in reactor preheating section (602) first for reaction
Heat is to cracking required temperature, and after reactor changeover portion (603), particle enters reactor reaction section (604) and splits rapidly
Solution reaction, the gaseous product of generation and remaining solid residue leave reactor by product exit (606), generate in cracking process
Fixed gas enter reactor interlayer, mixing by combustion gas and air intake (607) in subsequent mix with air after collecting
Gas burns in interlayer provides heat for the cracking process in reactor, and exhaust gas is discharged into atmosphere by waste gas outlet (605)).Drawing
Under blower (22) drives, thermal cracking products cracking gas is removed from the bottom of helix tube moving-burden bed reactor (6), and pass through pipeline
(8) enter cyclone separator (12) and carry out gas solid separation, the carbon residue solid particle isolated enters carbon collector through piping (13)
(14), the gas isolated enters heat exchanger (16) through piping (11) and carries out cooling condensation, the bio oil warp of cooling condensation
Piping (17) enters biological oil interceptor (18), and the fixed gas isolated passes through air-introduced machine (22) through pipe through piping (19)
Road (21) enters gas mixer (20), and air, which is introduced through piping (25) by air-introduced machine (24), enters gas by pipeline (23)
The gaseous mixture of mixer (20), fixed gas and air introduces helix tube by pipeline (9) by air-introduced machine (10) through piping (15)
The combustion gas of moving-burden bed reactor (6) and air intake (7) enter the heating zone of reactor, and the gases after burning pass through exhaust gas
(5) are exported to remove.
Embodiment:
Serialization fast pyrogenation is carried out to stalk particle using helix tube moving-burden bed reactor.Stalk particle by distributing device not
It forfeits into helix tube moving-burden bed reactor, cracking required temperature is rapidly heated in reactor preheating section, then in conversion zone
Cracking reaction occurs rapidly.The design of helix tube extends the residence time of stalk particle, increases between particle and wall surface
Friction, diabatic process are strengthened, so that particle cracking is more abundant, improve biological oil yield.The cracking that cracking process generates
Gas and remaining solid residue draw reactor by product exit and enter subsequent gas solid separation system and condenser system.Utilize straw
The fixed gas that the cracking of stalk particle generates heats the stalk particle in reactor as heat source, belongs to spontaneous-heating type, can
Save production cost.By control gas quantity and into the air capacity proportion adjustment burner hearth bulk temperature of burner hearth, to adjust cracking
The distribution of product and the yield of purpose product, can be widely applied in the continuous production of stalk fast pyrogenation preparing bio-oil.
It uses using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core and work is carried out to stalk particle
Industry metaplasia produces.By generating heat source of the fixed gas as heating response device in the process flow, belongs to self-heating type, effectively prevent
Only because caused by using electric heating cost it is excessively high.Mixed proportion by adjusting fixed gas and air controls temperature of reactor, thus
Adjust thermal cracking products distribution and purpose product yield.Rate of heat transfer is fast, meets stalk particle and occurs needed for heat scission reaction
Heating rate requirement.The cracking gas that reaction generates while stalk particle cracks removes reactor in time, effectively avoids second heat
Cracking.The design of helix tube extends the residence time of stalk particle, increases the friction between particle and wall surface, diabatic process
It is strengthened, so that particle cracking is more abundant, effectively improves the yield of bio oil, can be widely applied to stalk fast pyrogenation system
It takes in the industrialized production of bio oil.
Claims (10)
1. a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core, it is characterised in that: including according to
The secondary feeding device connected by pipeline, pyrolysis reactor, cyclone separator, pyrolysis reactor use helix tube moving bed
Reactor, cyclone separator connect charcoal collection device, bio oil collection device by pipeline respectively, what cyclone separator was isolated
Gas is sent via pipeline to reactor interlayer by air-introduced machine；Helix tube moving-burden bed reactor is jacket type structure, from top to bottom
Including preheating section, changeover portion and conversion zone, in reactor head, product exit is arranged in reactor bottom for material inlet setting,
Combustion gas and air intake are arranged in reactor interlayer bottom, and waste gas outlet is arranged at the top of reactor interlayer, outside reactor interlayer
Heat-insulated and gas barrier layer is arranged in wall；Helix tube is isodiametric cylindrical structure, and preheating section and conversion zone length relation meet 1:1 item
Part.
2. it is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core as described in claim 1,
Be characterized in that: feeding device includes motor, hopper and feeding screw, and motor setting is in feeding screw side, hopper setting
In feeding screw feeding end, feeding screw discharge end is connected to reactor head by pipeline.
3. it is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core as described in claim 1,
Be characterized in that: fixed gas first passes through gas mixer via pipeline before sending to reactor interlayer.
4. it is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core as described in claim 1,
Be characterized in that: cyclone separator is level-one or two-stage tandem cyclone separator.
5. it is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core as described in claim 1,
Be characterized in that: cyclone separator bottom connects charcoal collection device by pipeline.
6. it is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core as described in claim 1,
It is characterized in that: connecting heat exchanger at the top of cyclone separator, heat exchanger connects bio oil collection device and gas via pipeline respectively
Conveyance conduit.
7. it is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core as described in claim 1,
Be characterized in that: heat exchanger is level-one or two-stage tandem heat exchanger.
8. a kind of as described in claim 1-7 is any produce work by the biomass through pyrolysis of core of helix tube moving-burden bed reactor
Skill, it is characterised in that: pipeline is equipped with valve.
9. a kind of as described in claim 1-7 is any produce work by the biomass through pyrolysis of core of helix tube moving-burden bed reactor
Skill, it is characterised in that: the screw diameter range of helix tube is 600~1000mm, and screw pitch range is 1500~2500mm.
10. the method for carrying out serialization fast pyrogenation to stalk particle using the technique as described in claim 1-9 is any, feature
Be: stalk particle sends constantly into helix tube moving-burden bed reactor by distributing device, is rapidly heated to and splits in reactor preheating section
Required temperature is solved, cracking reaction then occurs rapidly in conversion zone；The cracking gas and remaining solid residue that cracking process generates
Reactor is drawn by product exit and enters subsequent gas solid separation system and condenser system；Preferably, biomass through pyrolysis is raw
In hopper (2), screw feeder (3) passes through biomass under the drive of motor (1) biomass storage in production. art process
Pipeline (4) is sent at the top of helix tube moving-burden bed reactor (6), and biomass through pyrolysis reaction occurs, and (biological particles pass through material
Entrance (601) continuously enters reactor, cracking required temperature is heated in reactor preheating section (602) first, by anti-
After answering device changeover portion (603), particle enters reactor reaction section (604) and occurs cracking reaction rapidly, the gaseous product of generation and
Remaining solid residue leaves reactor by product exit (606), and the fixed gas generated in cracking process is subsequent by collecting
It mixes with air later and enters reactor interlayer by combustion gas and air intake (607), gaseous mixture is burnt in interlayer for reactor
Interior cracking process provides heat, and exhaust gas is discharged into atmosphere by waste gas outlet (605)).In the case where air-introduced machine (22) drive, by thermal cracking
Product cracking gas from the bottom of helix tube moving-burden bed reactor (6) remove, and by pipeline (8) enter cyclone separator (12) into
Row gas solid separation, the gas that the carbon residue solid particle isolated enters carbon collector (14) through piping (13), and isolates pass through
Pipeline (11) enters heat exchanger (16) and carries out cooling condensation, and the bio oil of cooling condensation is collected through piping (17) into bio oil
Device (18), and the fixed gas isolated enters gas mixer through pipeline (21) by air-introduced machine (22) through piping (19)
(20), air through piping (25) by air-introduced machine (24) introduce by pipeline (23) enter gas mixer (20), fixed gas and
The gaseous mixture of air is introduced the combustion of helix tube moving-burden bed reactor (6) through piping (15) by air-introduced machine (10) by pipeline (9)
Gas and air intake (7) enter the heating zone of reactor, and the gases after burning are removed by waste gas outlet (5).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646592A (en) * | 2020-10-09 | 2021-04-13 | 江苏金陵环保科技有限公司 | Low-energy-consumption pyrolysis and thermal desorption process and equipment |
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2019
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| JPH11278822A (en) * | 1998-03-31 | 1999-10-12 | Nagasaki Kogyosho:Kk | Simplified continuous activated carbon producing device |
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