CN110079345A - A kind of biomass fast pyrolysis production technology - Google Patents
A kind of biomass fast pyrolysis production technology Download PDFInfo
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- CN110079345A CN110079345A CN201910458752.5A CN201910458752A CN110079345A CN 110079345 A CN110079345 A CN 110079345A CN 201910458752 A CN201910458752 A CN 201910458752A CN 110079345 A CN110079345 A CN 110079345A
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- 239000002028 Biomass Substances 0.000 title claims abstract description 41
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000005516 engineering process Methods 0.000 title claims description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 21
- 239000012075 bio-oil Substances 0.000 claims abstract description 19
- 239000011229 interlayer Substances 0.000 claims abstract description 15
- 239000003610 charcoal Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 65
- 239000002245 particle Substances 0.000 claims description 33
- 238000005336 cracking Methods 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 239000000047 product Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 14
- 239000000567 combustion gas Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000002912 waste gas Substances 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 7
- 238000004227 thermal cracking Methods 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
- 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
- 238000003860 storage Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000010902 straw Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000010924 continuous production Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 239000002803 fossil fuel Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 5
- 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
- 239000004744 fabric Substances 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 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
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000008187 granular material 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
- 238000002156 mixing Methods 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
- 230000002269 spontaneous effect Effects 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
Abstract
The present invention relates to a kind of using self-heating vacuum moving-burden bed reactor as the biomass through pyrolysis production line of core, feeding device, pyrolysis reactor, cyclone separator including passing sequentially through pipeline connection, pyrolysis reactor uses self-heating vacuum 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 biomass fast pyrolysis 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 a kind of biology
Matter fast pyrolysis production technology.
A kind of biomass fast pyrolysis production technology, feeding device, Pyrolysis including passing sequentially through pipeline connection
Device, cyclone separator are answered, pyrolysis reactor uses self-heating vacuum moving-burden bed reactor, and cyclone separator passes through pipeline respectively
Charcoal collection device, bio oil collection device are connected, the gas that cyclone separator is isolated is sent via pipeline to anti-by air-introduced machine
Answer device interlayer.Self-heating vacuum moving-burden bed reactor is jacket type structure, from top to bottom includes preheating section, changeover portion and reaction
Section, material inlet setting are being reacted in reactor bottom, combustion gas with air intake setting in reactor head, product exit setting
Device interlayer bottom, waste gas outlet are arranged at the top of reactor interlayer, and heat-insulated and gas barrier layer is arranged in reactor interlayer outer wall.Preheating section
For cylindrical structure, changeover portion is truncated cone-shaped structure, and conversion zone is cylindrical structure, and preheating section and conversion zone diameter Relationship meet
5:3 condition, preheating section and conversion zone length relation meet 5:7 condition.Compared with traditional fluidized-bed reactor, have following excellent
Point: 1) fluid and particle flow downward in the same direction along gravitational field in reactor, and granule density and velocity radial distribution are more uniform,
The axial backmixing of grain greatly reduces, and flow development segment length is short, is more suitable for the ultrashort reaction of gas-solid contact time；2) changeover portion becomes
Narrow so that apparent crossover phenomenon occurs later for particle warp, motion profile is in " it " font, is transmitted conducive to the heat between particle,
Gas significantly improves speed after changeover portion simultaneously, can reduce residence time of the cracking gas in reactor, reduces by two secondary fissures
The generation for solving reaction, effectively improves the yield of bio oil；3) fixed gas generated using biomass through pyrolysis is as heat source to anti-
It answers the biological particles in device to be heated, takes full advantage of the calorific value of flammable fixed gas, belong to spontaneous-heating type, can save into
This；4) by control gas quantity and into the air capacity proportion adjustment burner hearth bulk temperature of burner hearth, to adjust point of pyrolysis product
The yield of cloth and purpose product.
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 self-heating vacuum moving bed under the action of screw feeder (3)
Reactor (6), in whole set process process, under the action of air-introduced machine (22), cracking gas is from self-heating vacuum moving bed reaction
Device (6), which is drawn, enters cyclone separator (12), and the solid particle and gas after gas solid separation respectively enter carbon collector (14)
With heat exchanger (16), gas is condensed into bio oil and fixed gas by the cooling of heat exchanger (16), and bio oil enters bio oil receipts
Storage (18), fixed gas enter return self-heating vacuum moving-burden bed reactor (6) after gas mixer (20) mixes with air and are
Biomass through pyrolysis reaction provides heat.
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 self-heating vacuum moving-burden bed reactor, effectively enhances the heat between biological particles
Transmitting, while the cracking gas generated removes reactor in time, reduces the generation of second pyrolysis, improves the yield of bio oil；2) should
Process flow is not by needing any fossil fuel, belonging to spontaneous heating using the fixed gas generated in process as heat source
Formula can save production cost；3) it can be reacted by adjusting fixed gas with the control of the air-fuel mixture amount of air in the process flow
Device temperature can effectively adjust the distribution of biomass through pyrolysis product and purpose product yield；4) have continuous production ability,
Any pollutant, environmental protection and economy are not discharged in 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- self-heating vacuum moving bed
Reactor, 7- combustion gas and air intake, 8- pipeline, 9- pipeline, 10- air-introduced machine, 11- pipeline, 12- cyclone separator, 13- pipe
Road, 14- carbon collector, 15- pipeline, 16- heat exchanger, 17- pipeline, 18- biology oil interceptor, 19- pipeline, 20- gas mixer,
21- pipeline, 22- air-introduced machine, 23- pipeline, 24- air-introduced machine, 25- pipeline.
Fig. 2 is self-heating vacuum moving-burden bed reactor structural schematic diagram；
Fig. 3 is A-A cross-sectional view in Fig. 1；
Fig. 4 is B-B cross-sectional view in Fig. 1.
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- self-heating vacuum moving-burden bed reactor；10- air-introduced machine；12- cyclonic separation
Device；14- carbon collector；16- heat exchanger；18- biology oil interceptor；20- gas mixer；22- air-introduced machine；24- air-introduced machine.Self-heating
Formula vacuum moving-burden bed reactor (6) is connect with screw feeder (3) by pipeline (4)；Self-heating vacuum moving-burden bed reactor (6)
It is connect with cyclone separator (12) by pipeline (8)；Self-heating vacuum moving-burden bed reactor (6) and air-introduced machine (10) pass through pipeline
(9) it connects；Cyclone separator (12) is connect with carbon collector (14) by pipeline (13)；Cyclone separator (12) and heat exchanger (16)
It is connected by pipeline (11)；Heat exchanger (16) is connect with biological oil interceptor (18) by pipeline (17)；Heat exchanger (16) with draw
Blower (22) is connected by pipeline (19)；Air-introduced machine (22) is connect with gas mixer (20) by pipeline (21)；Gas mixing
Device (20) is connect with air-introduced machine (24) by pipeline (23)；Gas mixer (20) and air-introduced machine (10) are connected by pipeline (15)
It connects.
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 self-heating vacuum moving-burden bed reactor (6) by pipeline (4), biomass thermal occurs
(biological particles continuously enter reactor by material inlet (601) to cracking reaction, first in reactor preheating section (602)
It is heated to cracking required temperature, when by reactor changeover portion (603), since diameter narrows suddenly, so that particle enters instead
Apparent crossover phenomenon occurs for motion profile when answering device conversion zone (604), enhances the heat transmitting between particle, and particle is split
The gaseous product and remaining solid residue generated after solution reaction leaves reactor by product exit (606), produces in cracking process
Raw fixed gas enters reactor interlayer by combustion gas and air intake (607) in subsequent mix with air after collecting, and mixes
Conjunction gas burns in interlayer provides heat for the cracking process in reactor, and exhaust gas is discharged into atmosphere by waste gas outlet (605)).?
Under air-introduced machine (22) drives, thermal cracking products cracking gas is removed from the bottom of self-heating vacuum moving-burden bed reactor (6), and leads to
Piping (8) enters cyclone separator (12) and carries out gas solid separation, and the carbon residue solid particle isolated enters through piping (13)
Carbon collector (14), and the gas isolated enters heat exchanger (16) through piping (11) and carries out cooling condensation, the life of cooling condensation
Object oil enters biological oil interceptor (18) through piping (17), and the fixed gas isolated passes through air-introduced machine through piping (19)
(22) enter gas mixer (20) through pipeline (21), air, which is introduced through piping (25) by air-introduced machine (24), passes through pipeline (23)
Into gas mixer (20), the gaseous mixture of fixed gas and air is drawn by air-introduced machine (10) by pipeline (9) through piping (15)
The combustion gas and air intake (7) that enter self-heating vacuum moving-burden bed reactor (6) enter the heating zone of reactor, the gas after burning
Exhaust gas is removed by waste gas outlet (5).
Embodiment:
Serialization fast pyrogenation is carried out to stalk particle using self-heating vacuum moving-burden bed reactor.Stalk particle is by cloth
Device sends constantly into self-heating vacuum moving-burden bed reactor, is rapidly heated to cracking required temperature in reactor preheating section.Pass through
After variable diameter changeover portion, obvious crossover phenomenon occurs for stalk particle, and the heat transmitting between particle and particle is strengthened, and is being reacted
Cracking reaction occurs rapidly for section.Cracking process generate cracking gas and remaining solid residue by product exit draw reactor into
Enter subsequent gas solid separation system and condenser system.The fixed gas generated using stalk particle cracking is as heat source in reactor
Stalk particle heated, belong to spontaneous-heating type, production cost can be saved.By controlling gas quantity and entering the sky of burner hearth
Tolerance proportion adjustment burner hearth bulk temperature can be widely applied to straw to adjust the distribution of pyrolysis product and the yield of purpose product
In the continuous production of stalk fast pyrogenation preparing bio-oil.
Use using self-heating vacuum moving-burden bed reactor as the biomass through pyrolysis production technology of core to stalk particle into
Row industrialized production.By generating heat source of the fixed gas as heating response device in the process flow, belong to self-heating type, effectively
Prevent because cost is excessively high caused by using electric heating.Mixed proportion by adjusting fixed gas and air controls temperature of reactor,
To adjust thermal cracking products distribution and purpose product yield.Rate of heat transfer is fast, meets stalk particle and heat scission reaction institute occurs
The heating rate requirement needed.Heat transmitting in reactor between stalk particle is strengthened, and reaction generates while particle cracks
Cracking gas remove reactor in time, effectively avoid secondary thermal cracking, improve the yield of bio oil, it is fast to can be widely applied to stalk
In the industrialized production of speed heat solution preparing bio-oil.
Claims (9)
1. a kind of biomass fast pyrolysis production technology, it is characterised in that: including pass sequentially through pipeline connection feeding device,
Pyrolysis reactor, cyclone separator, pyrolysis reactor use self-heating vacuum moving-burden bed reactor, cyclone separator difference
Charcoal collection device, bio oil collection device are connected by pipeline, the gas that cyclone separator is isolated is by air-introduced machine via pipe
It send to reactor interlayer in road；Self-heating vacuum moving-burden bed reactor is jacket type structure, from top to bottom includes preheating section, changeover portion
And conversion zone, material inlet setting are arranged in reactor head, product exit setting in reactor bottom, combustion gas and air intake
In reactor interlayer bottom, waste gas outlet is arranged at the top of reactor interlayer, and heat-insulated and gas barrier layer is arranged in reactor interlayer outer wall；
Preheating section is cylindrical structure, and changeover portion is truncated cone-shaped structure, and conversion zone is cylindrical structure；Preheating section and conversion zone diameter close
System meets 5:3 condition, and preheating section and conversion zone length relation meet 5:7 condition.
2. a kind of biomass fast pyrolysis production technology as described in claim 1, it is characterised in that: feeding device includes electricity
Machine, hopper and feeding screw, motor setting are arranged in feeding screw side, hopper in feeding screw feeding end, spiral
Feed appliance discharge end is connected to reactor head by pipeline.
3. a kind of biomass fast pyrolysis production technology as described in claim 1, it is characterised in that: fixed gas is sent to reactor
First pass through gas mixer via pipeline before interlayer.
4. a kind of biomass fast pyrolysis production technology as described in claim 1, it is characterised in that: cyclone separator is level-one
Or two-stage tandem cyclone separator.
5. a kind of biomass fast pyrolysis production technology as described in claim 1, it is characterised in that: cyclone separator bottom is logical
Piping connects charcoal collection device.
6. a kind of biomass fast pyrolysis production technology as described in claim 1, it is characterised in that: connect at the top of cyclone separator
Heat exchanger is connect, heat exchanger connects bio oil collection device and gas transmission pipeline via pipeline respectively.
7. a kind of biomass fast pyrolysis production technology as described in claim 1, it is characterised in that: heat exchanger is level-one or two
Grade heat exchangers in series.
8. a kind of biomass fast pyrolysis production technology as described in claim 1-7 is any, it is characterised in that: pipeline is equipped with valve
Door.
9. using the method for carrying out straw thermal cracking such as claim technique, it is characterised in that: stalk particle is continuous by distributing device
It is sent into self-heating vacuum moving-burden bed reactor, is rapidly heated to cracking required temperature in reactor preheating section；Pass through variable diameter mistake
After crossing section, obvious crossover phenomenon occurs for stalk particle, and the heat transmitting between particle and particle is strengthened, and rapid in conversion zone
Cracking reaction occurs；The cracking gas and remaining solid residue that cracking process generates are entered subsequent by product exit extraction reactor
Gas solid separation system and condenser system；The fixed gas generated using stalk particle cracking is as heat source to the stalk in reactor
Particle is heated；By controlling gas quantity and entering the air capacity proportion adjustment burner hearth bulk temperature of burner hearth；Preferably, raw
Biomass storage is in the hopper (2) in the pyrolytic cracking technological process of production, screw feeder (3) under the drive of motor (1),
Biomass is sent at the top of self-heating vacuum moving-burden bed reactor (6) by pipeline (4), it is (raw that biomass through pyrolysis reaction occurs
Material grains continuously enter reactor by material inlet (601), are heated to cracking in reactor preheating section (602) first
Required temperature, when by reactor changeover portion (603), since diameter narrows suddenly, so that particle enters reactor reaction section
(604) apparent crossover phenomenon occurs for motion profile when, enhances the heat transmitting between particle, and life after cracking reaction occurs for particle
At gaseous product and remaining solid residue reactor, the fixed gas generated in cracking process left by product exit (606)
Reactor interlayer is entered by combustion gas and air intake (607) in subsequent mix with air after collecting, gaseous mixture is in interlayer
Middle burning provides heat for the cracking process in reactor, and exhaust gas is discharged into atmosphere by waste gas outlet (605)).In air-introduced machine (22)
Under drive, thermal cracking products cracking gas is removed from the bottom of self-heating vacuum moving-burden bed reactor (6), and pass through pipeline (8)
Gas solid separation is carried out into cyclone separator (12), 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 self-heating by pipeline (9) by air-introduced machine (10) through piping (15)
The combustion gas of vacuum moving-burden bed reactor (6) and air intake (7) enter the heating zone of reactor, and the gases after burning pass through
Waste gas outlet (5) removes.
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