CN108949203A - A kind of biomass pyrolysis system of solid thermal carriers circulation - Google Patents
A kind of biomass pyrolysis system of solid thermal carriers circulation Download PDFInfo
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- CN108949203A CN108949203A CN201810584212.7A CN201810584212A CN108949203A CN 108949203 A CN108949203 A CN 108949203A CN 201810584212 A CN201810584212 A CN 201810584212A CN 108949203 A CN108949203 A CN 108949203A
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- solid
- separator
- gas
- fluidized bed
- pyrolysis
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- 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
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/16—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form
- C10B49/20—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form in dispersed form
-
- 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
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- 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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
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- 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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/16—Features of high-temperature carbonising processes
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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
- 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 embodiment of the invention provides a kind of biomass pyrolysis systems of solid thermal carriers circulation, including raw material stoving system, circulating reaction system and spray cooling system.When the biomass pyrolysis system works, it is dried in raw material stoving system after biomass material is broken, fast pyrogenation occurs with solid thermal carriers in the downstriker pyrolysis reactor of circulating reaction system to react, generate pyrolysis gas and charcoal, wherein, the heated fluidized bed heating of solid thermal carriers, is recycled in downstriker pyrolysis reactor.The present invention is pyrolyzed biomass material using the biomass pyrolysis system of solid thermal carriers circulation, rationally heating, pyrolysis and the separating technology of setting solid thermal carriers, solves the complexity problem in solid thermal carriers cyclic process, take full advantage of the characteristic of solid thermal carriers and biomass material, being rapidly heated and being pyrolyzed for biomass is realized, the pyrolytic process is made to have the advantages that the thermal efficiency is high, biological oil yield is high, oil quality is high.
Description
Technical field
The invention belongs to biomass energy technology field, in particular to a kind of biomass pyrolytic system of solid thermal carriers circulation
System, can be used for being produced high yield liquid fuel bio oil and combustible gas, charcoal product by biomass.
Background technique
Biomass refers to the organic matter generated through sun photosynthesis, wherein it is utilizable mainly include various stalks,
The agriculture and forestry organic waste materials such as sawdust, rice husk, the whole world will generate the agriculture and forestry organic waste material of 4,000,000,000 tons of dry matters every year.With world industry
Progress, energy demand and environmental protection become the first order issue that numerous governments need to solve, and biomass energy is acknowledged as most
One of important alternative energy source realizes that the clean recovery energy of biomass efficient can provide for the harmonious development of economy and society
Sound assurance.
Current biomass pyrolysis is using biomass as the important technology of the energy.Biomass pyrolytic refers to biomass material
Heated fast in the case where complete anoxic or seldom oxygen content and generate solid product charcoal, gaseous product combustible gas and liquid
The yield of body product bio oil, bio oil and combustible gas can be greater than 70%.Bio oil is a kind of environmental clean liquid fuel, can
To replace fossil fuel such as heavy oil, diesel oil etc. in industry or the use of civil field, various chemical products can also be extracted, are one
Kind cleaning, environmental protection and reproducible bio-crude oil.Biomass pyrolytic technology can convert the biomass material of heap density very little
It is easy to transport, the bio oil of storage and focus utilization, has great advantage for the biomass resource tool of processing dispersion, therefore in state
Extensive research and industrialization promotion are had been carried out on border.
Biomass pyrolytic technique, which can be divided into, has heat carrier and without heat carrier heat-supplying mode, due to no heat carrier pyrolysis technique system
It unites low efficiency, the hot spot studied at present is mainly for there is heat carrier technique, such as fluidized bed, ablation bed, rotating cone type is anti-
Answer device.Heat carrier can be divided into two major classes: one kind is gas heat carrier, main to select pyrolysis gas product or nitrogen, in conjunction with stream
The mode for changing bed makes biological particles be mixed and be heated by gas heat carrier carrying, to realize momentum-exchange and heat
Transmitting its advantage is that moving component is few, structure is simple, reliable operation, but the disadvantage is that is not only increased and is set using gas heat carrier
The treating capacity of standby subsequent cooling, and gas heat carrier after cooling is needed to continue to heat, the thermal efficiency for causing system total is not
It is high；According to fast pyrogenation reaction condition, if providing uniform reaction temperature using gas heat carrier, every 1kg material needs heat
Vent one's spleen 10 ~ 20m3Gas heat carrier, therefore equipment volume is huge, high production cost, brings very big difficulty to equipment promotion；It is another
Class is solid thermal carriers, general to select sand or Ceramic Balls, is sufficiently mixed after solid thermal carriers are heated with biological particles, with
Realize heat transfer, since solid thermal carriers volumetric heat capacity is high, to reduce the volume of equipment, equipment is produced into
Originally it is controlled；Solid thermal carriers generally recycle, and less energy-consuming improves system thermal efficiency；In addition it does not need or seldom needs
Adscititious gases are wanted, the process energy consumption of cooling system is reduced, and avoid dilution pyrolysis non-condensable gas.Therefore, from thermal effect
In terms of rate, equipment manufacturing cost and energy consumption, solid heat carrier pyrolysis technique has very big advance, the heat studied before becoming current
Point.The mixing of solid thermal carriers and biomass material is related to using the pyrolytic process of solid thermal carriers, is evenly distributed with, reaction time
And solid carrier heating, promoted, the series of steps such as separation, and be related under hot conditions gas-solid, the separation processes such as solid solid,
Cause this kind of pyrolytic process design complicated, operation troubles rate is high, hinders the development of the technology.Therefore, developing one kind can overcome
The biomass pyrolytic technique of the solid thermal carriers circulation of drawbacks described above, becomes technical problem urgently to be resolved.
Summary of the invention
The present invention in view of the above technical problems, has developed a kind of biomass pyrolysis system of solid thermal carriers circulation, leads to
The specially designed pyrolysis system including pyrolysis reactor, solid solid separator is crossed, realizes that solid thermal carriers quickly heat and follows
Ring and separation overcome current solid heat carrier biomass pyrolytic process design complexity, the high problem of operation troubles rate, it is ensured that
The long-term operation ability of pyrolysis system.
In order to solve the above technical problems, the embodiment of the invention provides a kind of biomass pyrolytic systems of solid thermal carriers circulation
System, including raw material stoving system, circulating reaction system and spray cooling system, the raw material stoving system include drying hopper,
Dry fluidized bed and the first cyclone separator；The circulating reaction system includes pyrolysis hopper, downstriker pyrolysis reactor, top
Solid thermal carriers bucket, lower part solid thermal carriers room, solid solid separator, heated fluidized bed, primary cyclone, second level whirlwind point
From device, gas-solid separator, the second cyclone separator, cold charcoal machine and hot cigarette furnace；The spray cooling system include direct motion spray column,
Filter, purifying column, fuel cartridge and oil storage tank, in which: the drying hopper connects the drying fluidized bed, the drying fluidisation
Bed connects first cyclone separator, and first cyclone separator connects the pyrolysis hopper conveying solid substance；The pyrolysis
Hopper and the top solid thermal carriers bucket are all connected with discharging to the downstriker pyrolysis reactor, the downstriker pyrolytic reaction
Device connects the primary cyclone and pyrolyzed mixture is discharged；The primary cyclone connects the lower part solid thermal and carries
Solid is discharged in body room, connects the secondary cyclone discharge gas；The secondary cyclone connects the direct motion spray
It drenches tower and gas is discharged, connect the cold charcoal machine and charcoal is discharged；Lower part solid thermal carriers room is connected to the solid separation
Device；The solid solid separator connects the lower part discharge solid thermal carriers of the heated fluidized bed, connects second cyclonic separation
Gas is discharged in device；Gas is discharged in the second cyclone separator connection solid solid separator, and second cyclone separator connects
Connect the cold charcoal machine discharge charcoal；The top of the heated fluidized bed is connected to the gas-solid separator；The gas-solid separator
It connects the top solid thermal carriers bucket and the solid isolated is discharged, the flue gas being discharged after separation, which is sequentially connected, is passed through the second level
The additional hot jacket of cyclone separator and primary cyclone, then be passed through in the drying fluidized bed；The hot cigarette furnace connects institute
Heated fluidized bed is stated, flue gas is passed through the heated fluidized bed lower part；The direct motion spray column connects the middle part of the purifying column
Purified gas is discharged, and bio oil is passed through the filter；The filter connects the top conveying life of the direct motion spray column
Object oil connects the oil storage tank and hot cigarette fire grate goes out bio oil as spray medium；The purifying column connects the fuel cartridge
Combustion gas is discharged, the fuel cartridge connects the hot cigarette furnace delivery of fuel gas.
Preferably, the downstriker pyrolysis reactor is divided into reactor inlet section, reactor expansion segment and reactor distribution
Section；The reactor inlet section is provided with feed(raw material)inlet and the heat for being separately connected the pyrolysis hopper and top solid thermal carriers bucket
Carrier inlet, the heating medium inlet lower part are provided with striker plate；Multilayer is provided with inside the reactor expansion segment longitudinally to divide
Fabric swatch；The reactor distribution section is respectively provided with multilayer genesis analysis plate and multilayer cross direction profiles plate, and bottom is provided with connection
The pyrolyzed mixture of the primary cyclone exports.
Preferably, the solid solid separator is divided into separator distribution section, separator segregation section and separator from bottom to up and expands
Section, in which: the separator distribution section includes that heat carrier import, heat carrier be evenly distributed with mouth, separating tank, separation wind entrance, separate
Wind pilot hole and heating medium outlet；The heat carrier import is in the upper right quarter of separator distribution section, connects the lower part
Solid thermal carriers room, and it is evenly distributed with mouth provided with the heat carrier entering at separator distribution section, the heat carrier is uniformly distributed
Mouth is located at heat carrier import lower part, and is distributed at the semicircle in heat carrier import orientation；The separating tank is with housing
Mode is centered around the lower part of the solid solid separator, and the separating tank inner sleeve is provided with gas distributor, and gas distributor can be adopted
Poroid and gap-like is taken, wherein poroid separation wind can be distributed in the middle part and lower part of inner sleeve to hole；The separation wind entrance
It is set to the separating tank side, connects the gas vent of second cyclone separator；It is set to the separator distribution section
The heating medium outlet of lower part is connected to the lower part of the heated fluidized bed；The separator segregation section is located at described solid point
From the separator expansion segment in the middle part of device, above the separator segregation section being variable diameter formation；The separator expansion segment
Top is provided with the separation wind outlet for being connected to second cyclone separator.
Preferably, the heating medium outlet is connected to the lower part of the heated fluidized bed by L valve or drop pipe, will be described
Gu the solid thermal carriers isolated in solid separator input in the heated fluidized bed；Be provided on the L valve compressed air or
Nitrogen inlet.
Preferably, the heated fluidized bed includes hot fume entrance, air-distribution device, heating medium inlet and mixture outlet,
Wherein: the lower part of the heated fluidized bed is arranged in the hot fume entrance, connect with the hot cigarette furnace；The air-distribution device is set
It is placed in the position that the heated fluidized bed lower part is connect with the hot cigarette furnace；The heating medium inlet is located at the air-distribution device
Top is connect with the solid solid separator heating medium outlet；The mixture outlet is set at the top of the heated fluidized bed, with
Gas-solid separator connection above the heated fluidized bed.
Preferably, the oblique lower hopper of the heating medium inlet lower part setting thimble structure of the heated fluidized bed, to reality
Existing material dispersion is distributed into furnace.
Preferably, the drying fluidized-bed bottom be equipped with feed(raw material)inlet and hot fume entrance, the feed(raw material)inlet with it is described
Dry hopper connection, the hot fume entrance successively additional hot jacket with the primary cyclone and secondary cyclone
Connection；The outlet of the drying fluidized bed is connected to first cyclone separator.
Preferably, the cold charcoal machine takes water-cooling jacket barrel slag cooler, the secondary cyclone and the second whirlwind
The solid outlet of separator passes through charcoal powder hopper respectively and connect with the cold charcoal machine.
Preferably, the direct motion spray column includes that pyrolysis gas entrance, spray medium inlet, clean gas outlet, substitute go out
Mouthful and cooling medium outlet, in which: the pyrolysis gas entrance is arranged in the top center of the direct motion spray column, and with institute
State the gas vent connection of secondary cyclone；The spray medium inlet is uniformly distributed around the pyrolysis gas entrance, and with institute
Filter connection is stated, each spray medium inlet is mounted on spray head, and the spray head is spiral or rotary；Institute
It states direct motion spray column and is internally provided with coking inclined plate, middle part is provided with internal cyclone structure, and the gas of the internal cyclone structure is from institute
Clarifier outlet discharge is stated, the clarifier outlet is connected to the middle part of the purifying column；The substitute outlet is arranged in institute
It states by clean gas outlet, and is connect with Safety water seal；The right lower quadrant of the direct motion spray column is arranged in the cooling medium outlet,
And L-type or oblique type slag trap are provided in exit.
Preferably, the hot cigarette furnace is oil-gas two-way combustor, including oil-in, fuel gas inlet, air intake and flue gas
Outlet；The oil-in is connect with the filter；The fuel gas inlet is connected to the air accumulator；Air enters from the air
Mouth is passed through；The exhanst gas outlet is connected to the lower part of the heated fluidized bed.
Preferably, the biomass pyrolysis system further includes lower part hopper, crane and deduster, first whirlwind point
It is connect from the solid outlet of device with the lower part hopper, the discharge port of the lower part hopper is connected to described by the crane
It is pyrolyzed hopper；The gas vent of first cyclone separator is connected to deduster.
Preferably, the solid thermal carriers are the Ceramic Balls that particle size range is 1 ~ 2mm, and mass ratio is biomass material
5 ~ 20 times.
The above-mentioned technical proposal of the embodiment of the present invention, biomass material enter drying fluidized bed after crushing, and through whirlwind
It separates into pyrolysis hopper, is then conveyed into downstriker pyrolysis reactor；Gas-solid separator from heated fluidized bed top
The solid thermal carriers isolated also are conveyed into downstriker pyrolysis reactor, are sufficiently mixed generation with biomass material in the reactor
Fast pyrogenation reaction, generates pyrolysis gas and charcoal；Pyrolysis gas is sent into direct motion spray column through two stage cyclone separator, then passes through
Purifying column obtains clean combustion gas, hot cigarette furnace is sent into combustion gas, fuel cartridge storage is sent into extra combustion gas；And under the condensation of direct motion spray column
The bio oil come carries out cooling and circulated sprinkling through filter, and newly generated bio oil is sent into oil storage tank；Downstriker pyrolytic reaction
For the solid thermal carriers and part biological charcoal of device discharge through solid solid separator separation, the solid thermal carriers isolated reenter heating
Fluidized bed, and be sent into downstriker pyrolysis reactor and be recycled；The biology separated from each cyclone separation system
Powdered carbon is collected to cold charcoal machine, after cooling discharge pack.The technical solution has the beneficial effect that
Biomass material is pyrolyzed using the biomass pyrolysis system of solid thermal carriers circulation, adding for solid thermal carriers is rationally set
Heat, pyrolysis and separating technology, solve the complexity problem in solid thermal carriers cyclic process, take full advantage of solid thermal carriers
With the characteristic of biomass material, being rapidly heated and being pyrolyzed for biomass is realized, the pyrolytic process is made to have the thermal efficiency high, biological
Oil yield height, the high advantage of oil quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the biomass pyrolysis system for the solid thermal carriers circulation that one embodiment of the invention provides；
Fig. 2 is the structural schematic diagram for the pyrolysis reactor that one embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for the solid solid separator that one embodiment of the invention provides.
[ main element symbol description ]
1- dries hopper；2- dries fluidized bed；The first cyclone separator of 3a-；The second cyclone separator of 3b-；4- is pyrolyzed hopper；
5- downstriker pyrolysis reactor；5a- reactor is distributed section；5b- reactor expansion segment；5c- reactor inlet section；51- heat
Carrier inlet；The feed(raw material)inlet 52-；53- genesis analysis plate；54- cross direction profiles plate；55- striker plate；The outlet of 56- pyrolyzed mixture；
The top 6- solid thermal carriers bucket；The lower part 7- solid thermal carriers room；
8- consolidates solid separator；8a- separator is distributed section；8b- separator segregation section；8c- separator expansion segment；81- heat carrier into
Mouthful；82- heat carrier is evenly distributed with mouth；83- separates wind entrance；84- separating tank；85- separates wind to hole；86- heating medium outlet；87-
Separate wind outlet；
9- heated fluidized bed；10a- primary cyclone；10b- secondary cyclone；11- gas-solid separator；The cold charcoal of 12-
Machine；The hot cigarette furnace of 13-；14- direct motion spray column；15- filter；16- purifying column；17- fuel cartridge；18- oil storage tank；The lower part 19- material
Bucket；20- crane；21- tail gas air-introduced machine；22- screw conveyor；23- separates blower；24- charcoal powder hopper；25- combustion air fan；
26- cooler；27- oil circulating pump；28- combustion gas air-introduced machine；29- fuel circulating pump；30- Safety water seal；31- deduster.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail, and in which the same or similar labels are throughly indicated same or similar element or has phase
Same or similar functions elements.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to it is used to explain the present invention,
And it is not considered as limiting the invention.
The present invention is directed to existing problem, a kind of biomass pyrolysis system of solid thermal carriers circulation is provided, such as Fig. 1 institute
Show, including raw material stoving system, circulating reaction system and spray cooling system, raw material stoving system includes drying hopper 1, drying
Fluidized bed 2 and the first cyclone separator 3a；Circulating reaction system is solid including pyrolysis hopper 4, downstriker pyrolysis reactor 5, top
Body heat carrier bucket 6, lower part solid thermal carriers room 7, solid solid separator 8, heated fluidized bed 9, primary cyclone 10a, second level
Cyclone separator 10b, gas-solid separator 11, the second cyclone separator 3b, cold charcoal machine 12 and hot cigarette furnace 13；Spray cooling system packet
Include direct motion spray column 14, filter 15, purifying column 16, fuel cartridge 17 and oil storage tank 18.
The connection drying fluidized bed 2 of hopper 1 is dried, drying fluidized bed 2 connects the first cyclone separator 3a, the first cyclonic separation
Device 3a connection is pyrolyzed 4 conveying solid substance of hopper；
Pyrolysis hopper 4 and top solid thermal carriers bucket 6 are all connected with discharging to downstriker pyrolysis reactor 5, downstriker pyrolytic reaction
Device 5 connects primary cyclone 10a and pyrolyzed mixture is discharged；Primary cyclone 10a connection lower part solid thermal carriers room 7
Solid is discharged, gas is discharged in connection secondary cyclone 10b；Secondary cyclone 10b connection direct motion spray column 14 is discharged
Gas connects cold charcoal machine 12 and charcoal is discharged；Lower part solid thermal carriers room 7 is connected to solid solid separator 8；Gu solid separator 8 connects
The lower part discharge solid thermal carriers of heated fluidized bed 9 are connect, gas is discharged in the second cyclone separator 3b of connection；Second cyclone separator
3b connection consolidates solid separator 8 and gas is discharged, and charcoal is discharged in the cold charcoal machine 12 of the second cyclone separator 3b connection；Heated fluidized bed 9
Top be connected to gas-solid separator 11；Gas-solid separator 11 connects top solid thermal carriers bucket 6 and the solid isolated, separation is discharged
The flue gas being discharged afterwards is sequentially connected the additional hot jacket for being passed through secondary cyclone 10b and primary cyclone 10a, then is passed through
It dries in fluidized bed 2；Hot cigarette furnace 13 connects heated fluidized bed 9, and flue gas is passed through 9 lower part of heated fluidized bed；
Purified gas is discharged in the middle part that direct motion spray column 14 connects purifying column 16, and bio oil is passed through filter 15；Filter 15
The top conveying bio oil of direct motion spray column 14 is connected as spray medium, and connects oil storage tank 18 and biology is discharged in hot cigarette furnace 13
Oil；Purifying column 16 connects fuel cartridge 17 and combustion gas is discharged, and fuel cartridge 17 connects hot 13 delivery of fuel gas of cigarette furnace.
As specific embodiment, in which:
Biomass pyrolysis system further includes lower part hopper 19, crane 20 and deduster 31, the solid of the first cyclone separator 3a
Outlet is connect with lower part hopper 19, and the discharge port of lower part hopper 19 is connected to pyrolysis hopper 4 by crane 20, is pyrolyzed hopper 4
Discharge port the feed(raw material)inlet of downstriker pyrolysis reactor 5 is connected to by screw conveyor 22；First cyclone separator 3a's
Gas outlet can connect deduster entrance by tail gas air-introduced machine 21, and the flue gas isolated is discharged after dedusting reaches discharge standard.
It dries 2 bottom of fluidized bed and is equipped with hot fume entrance and feed(raw material)inlet, wherein feed(raw material)inlet is connect with drying hopper 1,
The additional hot jacket flue gas of hot fume entrance and the primary cyclone 10a and secondary cyclone 10b of pyrolytic reaction system
Outlet conduit connection；Drying fluidized bed 2 exports the entrance for being connected to the first cyclone separator 3a, the first lower part cyclone separator 3a
Solid matter outlet is connected to the feeding inlet of lower part hopper 19 by discharge valve；
As shown in Fig. 2, downstriker pyrolysis reactor 5 divides for the distribution of reactor inlet section 5c, reactor expansion segment 5b and reactor
Section 5a；Reactor inlet section 5c is provided with feed(raw material)inlet 52 and the heat for being separately connected pyrolysis hopper 4 and top solid thermal carriers bucket 6
Carrier inlet 51,51 lower part of heating medium inlet are provided with striker plate 55；Multilayer is provided with inside reactor expansion segment 5b longitudinally to divide
Fabric swatch 53；Reactor distribution section 5a is respectively provided with multilayer genesis analysis plate 53 and multilayer cross direction profiles plate 54, and bottom is provided with
Connect the pyrolyzed mixture outlet 56 of primary cyclone 10a；The feed inlet of downstriker pyrolysis reactor 5 passes through helical feed
Machine 22 is connect with the discharge port of pyrolysis hopper 4 and top solid thermal carriers bucket 6 respectively, and biomass material and solid thermal carriers are sent
Enter reactor.More preferably, heating medium inlet 51 is located at 52 100 ~ 500mm of top of feed(raw material)inlet, striker plate 55 and vertical centre
The angle of line is 30 ~ 45 degree.Settable 2 ~ 5 layers of genesis analysis plate 53 inside reactor expansion segment 5b, reactor is distributed section 5a can
Total 8 ~ 12 layers of distribution grid is set, including 4 ~ 6 layers of cross direction profiles plate 54 and 4 ~ 6 layer genesis analysis plate 53；Each distribution grid
Can be used an angle of 90 degrees steel or ceramic wafer, side length may be configured as 30 ~ 80mm, wherein vertical angle just upward, between monolayer distribution plate
Centre distance be 60 ~ 120mm, the distance of neighbouring two layers of distribution grid is 150 ~ 400mm.
Primary cyclone 10a and secondary cyclone 10b are arranged in series；The top primary cyclone 10a
Gas vent is connected to the entrance of secondary cyclone 10b, and the solid outlet of lower part is connected directly to lower part solid thermal carriers
The entrance of room 7；The gas vent on the top secondary cyclone 10b is connected to direct motion spray column 14, and the solid outlet of lower part connects
It is connected to cold charcoal machine 12；The additional hot jacket of primary cyclone 10a and secondary cyclone 10b is interconnected, additional hot jacket
Smoke inlet connection gas-solid separator 11 outlet, the exhanst gas outlet of additional hot jacket be connected to drying fluidized bed 2.
As shown in figure 3, solid solid separator 8 is divided into separator distribution section 8a, separator segregation section 8b and separation from bottom to up
Device expansion segment 8c, separator distribution section 8a include that heat carrier import 81, heat carrier be evenly distributed with mouth 82, separate wind entrance 83, separating tank
84, separation wind is to hole 85 and heating medium outlet 86；Heat carrier import 81 is in the upper right quarter of separator distribution section 8a, passes through spiral shell
The discharge port of conveyer connection lower part solid thermal carriers room 7 is revolved, and equal provided with heat carrier at separator distribution section 8a entering
Cloth mouth 82, heat carrier is evenly distributed with mouth 82 and is located at 81 lower part of heat carrier import, and is distributed at the semicircle in 81 orientation of heat carrier import, more
Good, the height that heat carrier is evenly distributed with mouth 82 is set as 50 ~ 100mm；Separating tank 84 is centered around solid solid separator 8 in a manner of housing
Lower part, in embodiment as shown in Figure 3,84 inner sleeve of separating tank is provided that poroid gas distributor, i.e., separation wind to
Hole 85；As an implementation, separation wind is located at middle part and the lower position of separating tank inner sleeve, general aperture hole to hole 85
Diameter is 5 ~ 20mm；According to the distributor of gap-like, strip seam is distributed in the semicircle position at spiral feed opening, and general seam is away from setting
For 10 ~ 100mm；Usually require that enter separating tank from poroid and gap-like outlet speed be 8 ~ 30m/s；Separation wind entrance 83 is set
It is placed in separating tank side, connects the gas vent of the second cyclone separator 3b；Separation wind entrance 83 is set to separating tank side, even
Connect the gas vent of the second cyclone separator 3b；The heating medium outlet 86 for being set to the separator distribution lower part section 8a is connected to heating
The lower part of fluidized bed 9；Separator segregation section 8b is located at solid 8 middle part of solid separator, is formed above separator segregation section 8b for variable diameter
Separator expansion segment 8c；The top of separator expansion segment 8c is provided with the separation wind outlet for being connected to the second cyclone separator 3b
87；Usually require that separator segregation section gas velocity is 5 ~ 10m/s, segregation section top becomes expansion section after passing through variable diameter, and separator expands
The gas velocity for opening section is 3 ~ 8m/s.Heating medium outlet 86 is connected to the lower part of heated fluidized bed 9 by L valve or drop pipe, will be solid
In the solid thermal carriers input heated fluidized bed 9 isolated in separator 8；Compressed air or nitrogen inlet are provided on L valve.
Heated fluidized bed 9 includes hot fume entrance, air-distribution device, heating medium inlet and mixture outlet.Hot fume entrance
The lower part of heated fluidized bed 9 is set, is connect with hot cigarette furnace 13；Air-distribution device is set to 9 lower part of heated fluidized bed and hot cigarette furnace
The position of 13 connections, heating medium inlet is located at the top of air-distribution device, connect with solid 8 heating medium outlet 86 of solid separator；When solid
When the heating medium outlet 86 of solid separator 8 is using L valve, air-distribution device uses bar shaped air distribution plate or poroid air distribution plate；When dividing admittedly
When heating medium outlet 86 from device 8 uses drop pipe, heated fluidized bed 9 can take converging diverging section to carry out cloth, i.e. heating stream
Change 9 lower part of bed first to shrink, accelerates hot fume speed, heated fluidized bed 9 after solid thermal carriers are sent by drop pipe, in high speed
Heat carrier is broken up and is evenly distributed under air-flow, and then heated fluidized bed is expanded, and gas velocity decline makes material realize normal fluidisation；For
Meet process requirement, the fluidizing velocity of heated fluidized bed setting is usually arranged as 10 ~ 20m/s, and corundum can be used in heated fluidized bed 9
Or wear-resistant castable is as liner.
Gas-solid separator 11, the setting sedimentation plate of gas-solid separator 11 are connected above heated fluidized bed 9, solid thermal carriers go out
Mouth is connected to the entrance of top solid thermal carriers bucket 6, and exhanst gas outlet is connected to the primary cyclone 10a of pyrolytic reaction system
Entrance is covered with the external heat of secondary cyclone 10b；
Cold charcoal machine 12 takes water-cooling jacket barrel slag cooler, the solid of secondary cyclone 10b and the second cyclone separator 3b
Outlet is connect by charcoal powder hopper 24 with cold charcoal machine 12 respectively, and the outlet of charcoal powder hopper 24 can be conveyed biological powdered carbon by screw conveyor
Enter cold charcoal machine 12.
Direct motion spray column 14 includes pyrolysis gas entrance, spray medium inlet, clean gas outlet, substitute outlet and cooling Jie
Matter outlet.The top center of direct motion spray column 14, and the gas with secondary cyclone 10b is arranged in pyrolysis gas entrance
Outlet connection；It is uniformly distributed around pyrolysis gas entrance to spray medium inlet, and is connect with filter 15,4 ~ 8 sprays is generally taken to be situated between
Matter entrance, and 1 ~ 4 spray head is installed in each spray medium inlet, spray head is spiral or rotary, atomizing particle size collection
In in 0.1 ~ 1mm；Direct motion spray column 14 is internally provided with coking inclined plate, preferably, coking swash plate angle is 45 ~ 70 degree, coking
The settable access hole in inclined plate bottom；Internal cyclone structure, the gas auto purification of internal cyclone structure are provided in the middle part of direct motion spray column 14
Device outlet discharge, clarifier export the middle part for being connected to purifying column 16；Substitute outlet be arranged by clean gas outlet, and with peace
Full water seal 30 connects；Cooling medium exports the right lower quadrant that direct motion spray column 14 is arranged in, and is provided with L-type or oblique type in exit
Slag trap.
As shown in Figure 1, being delivered to the middle part of purifying column 16,16 top of purifying column from the purified gas that direct motion spray column 14 comes out
2 ~ 4 layers of filler are provided with, top is equipped with gas outlet, and gas outlet can be connected by combustion gas air-introduced machine 28 and 17 entrance of fuel cartridge
It connects；The cooling medium outlet of direct motion spray column 14 is connected to filter 15, and filter 15 is connect with cooler 26, and is finally connected
To oil circulating pump 27；For oil circulating pump 27 there are three outlet, one is connected to the spray medium inlet on 14 top of direct motion spray column, will
Bio oil as spray medium is conveyed into direct motion spray column 14, and one is connected to oil storage tank 18, a company by fuel circulating pump 29
It is connected to hot cigarette furnace 13；
In embodiment as shown in Figure 1, since combustion gas and bio oil are passed through hot cigarette furnace 13 and burn, hot cigarette furnace 13 makes
With oil-gas two-way combustor, hot cigarette furnace 13 includes oil-in, fuel gas inlet, air intake and exhanst gas outlet, in which: fuel gas inlet
It is connected to fuel cartridge 17, air intake is connected to combustion air fan 25, and the lower part that exhanst gas outlet is connected to heated fluidized bed 9 enters gas
Mouthful；Take moldable or insulated pouring material as liner inside hot cigarette furnace 13.
Solid thermal carriers use inertia spheric granules, such as select material for the spherical shape of ceramics, quartz sand, dolomite
Grain.Because Ceramic Balls have many advantages, such as that high temperature resistant, wear-resistant, intensity is big, density is big, heat storage capacity is strong, therefore as preferable reality
Mode is applied, solid thermal carriers Ceramics ball, in order to easily facilitate fluidisation heating and therefrom isolate solid powdered carbon, system is preferred
Particle size range is the Ceramic Balls of 1 ~ 2mm, and it is 1 ~ 2mm that Ceramic Balls, which select particle size range, with material quality to be processed than control 5 ~
50。
By taking the biomass pyrolysis system of one of above-described embodiment solid thermal carriers circulation as an example, to biomass of the present invention
The technique of pyrolysis system is illustrated, and as a kind of specific embodiment, the step of workflow includes:
1. biomass material is 5mm hereinafter, moisture is lower than 20% through broken partial size, abiotic matter impurity is lower than 5%, into drying
Hopper 1, and enter drying fluidized bed 2 by adjusting the speed feeding device；Tail gas air-introduced machine 21 is additional from primary cyclone 10a
The hot fume that temperature in hot jacket is 200 ~ 250 °C, which is introduced through, to be come, and goods fluid and is dried by hot fume, at a temperature of hot fume
60 ~ 120 °C are down to, and by reaching emission request discharge after deduster 31；
2. being dried to biomass material of the moisture less than 8% to enter in pyrolysis hopper 4 by crane 20, and pass through helical feed
Machine 22 enters downstriker pyrolysis reactor 5；The top of downstriker pyrolysis reactor 5 is that the temperature conveyed by screw conveyor 22 is
530 ~ 850 °C of high-temp solid heat carrier；Solid thermal carriers by after the dispersion of the distributor on 5 top of downstriker pyrolysis reactor with
Biomass material comes into full contact with mixing and downlink, then by inside downstriker pyrolysis reactor 5 to break up mixing arrangement progress more
Secondary mixing is simultaneously reacted, production pyrogenic steam, combustible gas and charcoal；Biomass material stopping in the reactor with solid thermal carriers
Staying the time is 1 ~ 3 second, rises to 450 ~ 750 °C from room temperature in reactor outlet, solid thermal carriers temperature is dropped to from 530 ~ 850 °C
450~750°C；
3. the thermal decomposition product and solid thermal carriers that are discharged from downstriker pyrolysis reactor 5 enter primary cyclone together
The solid thermal carriers of solid forms and charcoal and pyrolysis mixed gas separation are isolated solid mixture matter and are sent into lower part by 10a
Solid thermal carriers room 7；The pyrolysis gaseous mixture of discharge is then sent into secondary cyclone 10b, small biology contained therein
Charcoal, which is further separated out, to be come；
4. the solid mixture of solid thermal carriers and charcoal in lower part solid thermal carriers room 7 is sent by screw conveyor
Gu solid separator 8 is sent into separation wind from separation wind entrance 83 charging of solid solid separator 8 using the separation blower 23 of interior circulation
Lower end, separation wind are evenly distributed with by distributing slot, and in solid thermal carriers dropping process that the charcoal wherein mixed is abundant
Separation；The biological powdered carbon separated is sent into the second cyclone separator 3b and continues to separate, and clean solid thermal carriers then pass through L
Valve is sent into 9 lower part of heated fluidized bed；
5. hot cigarette furnace 13 is burnt using bio oil and combustible gas, generate 600 ~ 900 °C of temperature of hot fume, it is therein can
Combustion gas is used as mainly for heat energy, and bio oil therein is as supplement temperature adjustment fuel；The hot fume of high temperature passes through cloth wind system
Even into heated fluidized bed 9, in heated fluidized bed 9, gas-solid point of the fixed heat carrier under hot fume carrying at the top of feeding
From in device 11, solid thermal carriers are heated to 530 ~ 850 °C during this, are fed again into downstriker pyrolysis reactor 5 and participate in instead
It answers；And hot fume temperature drops to 550 ~ 750 °C, is admitted to primary cyclone 10a and second level by pyrolytic reaction system
In the additional hot jacket for the two stage cyclone separation that cyclone separator 10b is composed in series, flue-gas temperature is down to 500 °C hereinafter, being drawn again
Enter to dry fluidized bed 2 to dry biomass material, the temperature of hot fume can be adjusted as needed, such as by blending partial air
Flue-gas temperature is reduced to 200 ~ 250 °C again；
6. the pyrolysis mixture temperature being discharged from secondary cyclone 10b is 400 ~ 650 °C, pyrolysis gaseous mixture is sent into
Direct motion spray column 14 can be made to be pyrolyzed mixture temperature in 1 ~ 2 second from 400 ~ 650 °C of declines by spray medium spraying cooling
To 50 °C or less；Spray medium generally selects bio oil, and temperature rises during spraying cooling is pyrolyzed gaseous mixture from 20 ~ 40 °C
It is expelled to filter 15 to 30 ~ 50 °C, then by the bio oil after spray, the small powdered carbon wherein mixed is filtered out；It crosses
Pure bio oil after filter enters cooler 26, so that its temperature is dropped to 20 ~ 40 °C, then be sent into direct motion spray by oil circulating pump 27
Leaching tower 14 is used as spray medium circulation；Newly generated bio oil is sent to oil storage tank 18 by fuel circulating pump 29 and is stored；Direct motion
The combustion gas that spray column 14 is discharged also contains part fine oil droplets, after removing oil droplet in purifying column 16, then by combustion gas air-introduced machine 28
It is sent into fuel cartridge 17, most of combustion gas in fuel cartridge 17 is delivered to hot cigarette furnace 13 again；
7. the charcoal being discharged from charcoal powder hopper 24 is sent into cold charcoal machine 12 by screw conveyor, cold charcoal machine 12 takes roller water jacket
Indirect heat exchange makes biological powdered carbon temperature be down to 50 °C from 300 ~ 500 °C hereinafter, meeting the needs of directly pack transport.
Biomass pyrolysis system and side in the above embodiment of the present invention are illustrated below by way of two of biomass pyrolytic
The specific effect of method:
1. rice husk raw material is directly crushed transport to factory, rice from rice processing factory through preliminary using rice husk as biomass material
The particle size range of shell is 0 ~ 5mm, moisture range 11.2 ~ 14.5%, volatile matter AdIt is 65%.Raw material enters drying fluidized bed, drying
The hot fume intake air temperature of fluidized bed is 240 °C, and drying air outlet temperature is 108 °C, and material temperature is 57 °C after drying, and moisture is
4.5%；Raw material enters pyrolysis reactor, solid thermal carriers Ceramics ball, and inlet temperature is 552 °C, pyrolysis reactor temperature
It is 502 °C, pressure 2.5kpa；The temperature of solid thermal carriers and solid powdered carbon is 485 °C after separation, is pyrolyzed mixture temperature
It is 473 °C；Hot cigarette furnace high-temperature region temperature is 850 °C, and flue gas exit temperature is 650 °C；
Material balance is calculated, biological oil yield is 51.8%, calorific value 16.2MJ/kg, combustible gas through counting with the dry base of rice husk
Yield is 19.9%, calorific value 17.8MJ/kg, and the yield of charcoal is 28.3%.
2. sawdust raw material is wood-working factory's leftover bits and pieces using sawdust as biomass material, moisture is 35 when being sent into factory
~ 45%, need to be dried to moisture for the first time lower than 20%；The particle size range of sawdust is 1 ~ 4.5mm, volatile matter AdIt is 87%.Raw material
Into drying fluidized bed, the hot fume intake air temperature for drying fluidized bed is 210 °C, and drying air outlet temperature is 86 °C, former after drying
Material temperature degree is 49 °C, moisture 5.3%；Raw material enters pyrolysis reactor, solid thermal carriers Ceramics ball, and inlet temperature is
780 °C, pyrolysis reactor temperature is 690 °C, pressure 2.8kpa；The temperature of solid thermal carriers and solid powdered carbon is after separation
646 °C, pyrolysis mixture temperature is 630 °C；Hot cigarette furnace high-temperature region temperature is 986 °C, and flue gas exit temperature is 724 °C；
Material balance is calculated, biological oil yield is 31.6%, calorific value 15.3MJ/kg, combustible gas through counting with the dry base of sawdust
Yield is 52.6%, calorific value 17.4MJ/kg, and the yield of charcoal is 15.8%.
For above-mentioned various embodiments of the present invention, the common sense such as well known specific structure and characteristic were not made in technical solution
More descriptions；Each embodiment is described in a progressive manner, involved technical characteristic not structure between each other in each embodiment
It can be combined with each other under the premise of at conflict, same and similar part may refer to each other between each embodiment.
In the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside", "front", "rear" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, should not be construed as limiting the invention.Unless otherwise clearly defined and limited, term
The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, being also possible to can
Dismantling connection, or it is integral；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, centre can also be passed through
Medium is indirectly connected, and can be the connection inside two elements or the interaction relationship of two elements, unless otherwise specific
It limits.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood as the case may be
Body meaning.In addition, term " first ", " second ", " level-one " and " second level " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as falling into protection scope of the present invention.
Claims (12)
1. a kind of biomass pyrolysis system of solid thermal carriers circulation, which is characterized in that including raw material stoving system, circular response
System and spray cooling system, the raw material stoving system include drying hopper, drying fluidized bed and the first cyclone separator；Institute
Stating circulating reaction system includes pyrolysis hopper, downstriker pyrolysis reactor, top solid thermal carriers bucket, lower part solid thermal carriers
Room, solid solid separator, heated fluidized bed, primary cyclone, secondary cyclone, gas-solid separator, the second whirlwind point
From device, cold charcoal machine and hot cigarette furnace；The spray cooling system includes direct motion spray column, filter, purifying column, fuel cartridge and oil storage
Tank, in which:
The drying hopper connects the drying fluidized bed, and the drying fluidized bed connects first cyclone separator, described
First cyclone separator connects the pyrolysis hopper conveying solid substance；
The pyrolysis hopper and the top solid thermal carriers bucket are all connected with discharging to the downstriker pyrolysis reactor, under described
Line pyrolysis reactor connects the primary cyclone and pyrolyzed mixture is discharged；Described in the primary cyclone connection
Solid is discharged in lower part solid thermal carriers room, connects the secondary cyclone discharge gas；The secondary cyclone connects
The direct motion spray column discharge gas is connect, the cold charcoal machine is connected and charcoal is discharged；Lower part solid thermal carriers room is connected to
The solid solid separator；The solid solid separator connects the lower part discharge solid thermal carriers of the heated fluidized bed, described in connection
Gas is discharged in second cyclone separator；The second cyclone separator connection solid solid separator discharge gas, described second
Charcoal is discharged in the cyclone separator connection cold charcoal machine；The top of the heated fluidized bed is connected to the gas-solid separator；Institute
It states gas-solid separator and connects the solid that the top solid thermal carriers bucket discharge is isolated, the flue gas being discharged after separation is sequentially connected
It is passed through the additional hot jacket of the secondary cyclone and primary cyclone, then is passed through in the drying fluidized bed；It is described
Hot cigarette furnace connects the heated fluidized bed, and flue gas is passed through the heated fluidized bed lower part；
The direct motion spray column connects the middle part discharge purified gas of the purifying column, and bio oil is passed through the filter；Institute
It states filter and connects the top conveying bio oil conduct spray medium of the direct motion spray column, and connect the oil storage tank and hot cigarette
Fire grate goes out bio oil；The purifying column connects the fuel cartridge and combustion gas, the fuel cartridge connection hot cigarette furnace conveying combustion is discharged
Gas.
2. biomass pyrolysis system according to claim 1, which is characterized in that the downstriker pyrolysis reactor is divided into instead
Answer device entrance, reactor expansion segment and reactor distribution section；The reactor inlet section is provided with and is separately connected the pyrolysis
The feed(raw material)inlet and heating medium inlet of hopper and top solid thermal carriers bucket, the heating medium inlet lower part are provided with striker plate；
Multilayer genesis analysis plate is provided with inside the reactor expansion segment；The reactor distribution section is respectively provided with multilayer and longitudinally divides
Fabric swatch and multilayer cross direction profiles plate, bottom are provided with the pyrolyzed mixture outlet for connecting the primary cyclone.
3. biomass pyrolysis system according to claim 1, which is characterized in that the solid solid separator is divided into from bottom to up
Separator is distributed section, separator segregation section and separator expansion segment, in which:
Separator distribution section includes that heat carrier import, heat carrier be evenly distributed with mouth, separating tank, separate wind entrance and heat carrier goes out
Mouthful；The heat carrier import is in the upper right quarter of separator distribution section, connects lower part solid thermal carriers room, and into
Enter and be evenly distributed with mouth provided with the heat carrier at the separator distribution section, the heat carrier is evenly distributed with mouth and is located at the heat carrier import
Lower part, and be distributed at the semicircle in heat carrier import orientation；The separating tank is centered around described solid point in a manner of housing
Lower part from device, the separating tank inner sleeve are provided with separation wind to hole；The separation wind entrance is set to the separating tank one
Side connects the gas vent of second cyclone separator；The heat carrier for being set to the separator distribution pars infrasegmentalis goes out
Mouth is connected to the lower part of the heated fluidized bed；The separator segregation section is located in the middle part of the solid solid separator, the separation
It is the separator expansion segment that variable diameter is formed above device segregation section；The top of the separator expansion segment is provided with and is connected to institute
State the separation wind outlet of the second cyclone separator.
4. biomass pyrolysis system according to claim 3, which is characterized in that the heating medium outlet by L valve or under
The lower part that pipe is connected to the heated fluidized bed is fallen, will be added described in the solid thermal carriers input isolated in the solid solid separator
In fluidized hot bed；Compressed air or nitrogen inlet are provided on the L valve.
5. biomass pyrolysis system according to claim 1, which is characterized in that the heated fluidized bed includes that hot fume enters
Mouth, air-distribution device, heating medium inlet and mixture outlet, in which:
The lower part of the heated fluidized bed is arranged in the hot fume entrance, connect with the hot cigarette furnace；The air-distribution device is set
It is placed in the position that the heated fluidized bed lower part is connect with the hot cigarette furnace；The heating medium inlet is located at the air-distribution device
Top is connect with the solid solid separator heating medium outlet；The mixture outlet is set at the top of the heated fluidized bed, with
Gas-solid separator connection above the heated fluidized bed.
6. biomass pyrolysis system according to claim 5, which is characterized in that the heating medium inlet of the heated fluidized bed
The oblique lower hopper of lower part setting thimble structure.
7. biomass pyrolysis system according to claim 1, which is characterized in that the drying fluidized-bed bottom is equipped with raw material
Entrance and hot fume entrance, the feed(raw material)inlet are connect with the drying hopper, the hot fume entrance successively with the level-one
Cyclone separator is connected with the additional hot jacket of secondary cyclone；The outlet of the drying fluidized bed is connected to first rotation
Wind separator.
8. biomass pyrolysis system according to claim 1, which is characterized in that the cold charcoal machine takes water-cooling jacket roller
The solid outlet of lag cooler or water-cooling jacket auger, the secondary cyclone and the second cyclone separator passes through powdered carbon respectively
Bucket is connect with the cold charcoal machine.
9. biomass pyrolysis system according to claim 1, which is characterized in that the direct motion spray column includes that pyrolysis gas enters
Mouth, spray medium inlet, clean gas outlet, substitute outlet and cooling medium outlet, in which: the pyrolysis gas entrance setting exists
The top center of the direct motion spray column, and connect with the gas vent of the secondary cyclone；The spray is situated between
Matter entrance is uniformly distributed around the pyrolysis gas entrance, and connect with the filter, and each spray medium inlet is mounted on
Spray head, the spray head are spiral or rotary；The direct motion spray column is internally provided with coking inclined plate, and middle part is provided with
Internal cyclone structure, the gas of the internal cyclone structure is exported from the clarifier to be discharged, and the clarifier outlet is connected to described
The middle part of purifying column；Substitute outlet setting is connect by the clean gas outlet, and with Safety water seal；Cooling Jie
Matter exports the right lower quadrant that the direct motion spray column is arranged in, and is provided with L-type or oblique type slag trap in exit.
10. biomass pyrolysis system according to claim 1, which is characterized in that the hot cigarette furnace is oil-gas two-way burning
Machine, including oil-in, fuel gas inlet, air intake and exhanst gas outlet；The oil-in is connect with the filter；The combustion gas
Entrance is connected to the air accumulator；Air is passed through from the air intake；The exhanst gas outlet is connected to the heated fluidized bed
Lower part.
11. biomass pyrolysis system according to claim 1, which is characterized in that further include lower part hopper, crane and remove
Dirt device, the solid outlet of first cyclone separator are connect with the lower part hopper, and the discharge port of the lower part hopper passes through
The crane is connected to the pyrolysis hopper；The gas vent of first cyclone separator is connected to deduster.
12. according to claim 1 to 11 described in any item biomass pyrolysis systems, which is characterized in that the solid thermal carriers
The Ceramic Balls for being 1 ~ 2mm for particle size range, mass ratio are 5 ~ 20 times of biomass material.
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Effective date of registration: 20220809 Address after: Room JZ2130, Yard 2, Junzhuang Road, Junzhuang Town, Mentougou District, Beijing 102300 (cluster registration) Patentee after: Golden Harvest Energy (Beijing) Technology Co., Ltd. Address before: Room 401-84, Building 9, Jingbin Ruicheng, Jingbin Industrial Park, Wuqing District, Tianjin, 301700 (centralized office area) Patentee before: JIAHE JUNENG (TIANJIN) TECHNOLOGY Co.,Ltd. |
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