CN110172357A - A kind of two-part series connection biomass continuous pyrolysis carbonizing apparatus - Google Patents
A kind of two-part series connection biomass continuous pyrolysis carbonizing apparatus Download PDFInfo
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- CN110172357A CN110172357A CN201910473613.XA CN201910473613A CN110172357A CN 110172357 A CN110172357 A CN 110172357A CN 201910473613 A CN201910473613 A CN 201910473613A CN 110172357 A CN110172357 A CN 110172357A
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- pyrolysis
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- carbonizing apparatus
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 80
- 239000002028 Biomass Substances 0.000 title claims abstract description 44
- 238000010000 carbonizing Methods 0.000 title claims abstract description 14
- 239000002296 pyrolytic carbon Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000012159 carrier gas Substances 0.000 claims abstract description 20
- 238000001754 furnace pyrolysis Methods 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000005587 bubbling Effects 0.000 claims description 7
- 230000036760 body temperature Effects 0.000 claims description 5
- 239000003610 charcoal Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000005243 fluidization Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 210000000952 spleen Anatomy 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 230000000704 physical effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000005899 aromatization reaction Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000000126 substance Substances 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
-
- 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
A kind of two-part series connection biomass continuous pyrolysis carbonizing apparatus, is a kind of two-stage series connection pyrolysis installation for having coupled fluid bed fast pyrolysis and rotary furnace slow pyrolysis process, biomass pyrolysis process classification is handled；Biomass material warehouse is specifically included, feed system, fluidized bed pyrolysis system, rotary furnace pyrolysis system, pyrolytic carbon product collection system and pyrolysis carrier gas distribute control system；The fluidized bed pyrolysis system is connected by cyclone separator with rotary furnace pyrolysis system feed inlet.The beneficial effects of the present invention are: series coupled fluid bed fast pyrolysis process and rotary furnace slow pyrolysis process, classification pyrolytic process regulation can be carried out to biomass material, operating parameter control flexibly, device stable and reliable operation；The flexibility of present apparatus versatility is high, can realize that the orientation of pyrolytic carbon product structure performance regulates and controls according to raw material physical property, production process is continuous, and product surface characteristic and pore structure are controllable, and material is heated evenly, and quality is high, quality stable homogeneous.
Description
Technical field
The invention belongs to biomass utilization technologies fields, and in particular to a kind of two-part series connection biomass continuous pyrolysis charing
Device.
Background technique
The energy and resource utilization of biomass castoff are for improving energy resource structure, ensureing that energy security, propulsion are given birth to
State civilization construction is of great significance, and thermochemical study method is to realize the important channel of biomass resource effective use, wherein heat
Solution technology can convert biomass resource under anaerobic or Hypoxic habitats depot in the form of combustion gas, fuel oil and pyrolytic carbon
The energy.The biomass carbon product especially generated after pyrolysis charring is the carbon containing solid matter of a kind of height aromatization, function
Group is abundant, and pore structure is flourishing, can be used as high-quality solid fuel, moreover it is possible in the side such as soil remediation improvement and functional material
Face plays a significant role, and the field that can be developed and used is very extensive.And pyrolysis reactor is the key that realize thermochemical study, mesh
Preceding common biomass pyrolytic carbon makeup, which is set mainly, the multiple types such as fixed bed, fluidized bed and spiral pyrolysis reactor.
The structure type and technological parameter of pyrolysis installation have the qualities such as the physicochemical structure of pyrolytic carbon product and fuel characteristic
Great influence.For example, fixed bed device structure is simple, but heat transfer efficiency is lower, and material uneven heating is even in carbonization process causes
Pyrolytic carbon product quality homogeneity is poor, and belongs to intermittent production.Spiral pyrolytic reaction device is able to achieve continuous production, but spiral shell
The breathing of spin axis at high temperature easily causes device sealing characteristics to decline, and the spiral pyrolysis reactor having is when guaranteeing that pyrolysis stops
Between, pyrolytic carbon product quality homogeneity is improved, is caused using screw shaft is lengthened to can easily cause screw rod shaft distortion under high temperature
Material can not be conveyed normally by card.In addition, the condensable pyrolysis gas during biomass pyrolytic charing is easily inhaled by charcoal
It is attached, limit pyrolytic carbon specific area use, such as it is impossible to meet charcoal hot type cigarette to the need of charcoal heating source material
It asks.
In conclusion in order to continuously and stably obtain quality stable uniform, degree of purity height, Gao Pin of the surface without tar adsorption
Matter pyrolytic carbon product needs to develop a kind of high-quality for running continuous-stable, controllable biomass pyrolytic carbon surface texture featur
Pyrolytic carbon process units.
Summary of the invention
The purpose of the present invention is aiming at the problems existing in the prior art, provide a kind of two-part series connection biomass Continuous Heat
Solution device, specifically a kind of two-stage series connection pyrolysis installation for having coupled fluid bed fast pyrolysis and rotary furnace slow pyrolysis process,
Biomass pyrolysis process classification can be handled, pyrolytic process operating parameters at different levels are controllable, it can be achieved that pyrolysis gas, oil, charcoal
Orientation production, especially the pore structure of pyrolytic carbon product, surface characteristic are easy to regulate and control, and pyrolytic carbon product quality is high, and continuous
Property and stability are good.
The purpose of the present invention is achieved through the following technical solutions: a kind of two-part series connection biomass continuous pyrolysis dress
It sets, is a kind of two-stage series connection pyrolysis installation for having coupled fluid bed fast pyrolysis and rotary furnace slow pyrolysis process, by biomass
Pyrolytic process classification processing；Specifically include biomass material warehouse, feed system, fluidized bed pyrolysis system, rotary furnace pyrolysis system
System, pyrolytic carbon product collection system and pyrolysis carrier gas distribute control system；The fluidized bed pyrolysis system passes through cyclone separator
It is connected with rotary furnace pyrolysis system feed inlet.
The fluidized bed pyrolysis system includes variable diameter burner hearth main body and the air distribution plate that burner hearth bottom is arranged in；The variable diameter furnace
Thorax main body is divided into preheating section, four part of bubbling segment, changeover portion and raising section, carries wherein having in preheating section lower disposed for inputting
The fluidized wind surge tank of gas, is provided with the feed inlet being connected to feed system in bubbling segment, burner hearth main body cloth from the inside to the outside
It is equipped with high temperature resistance heating element, silicon carbide flame retardant coating, insulating layer and metal furnace wall, hearth outer wall is filled equipped with thermocouple temperature measurement
It sets.Temperature of each section in the fluid bed heat system can be lower than 1100oIt is adjusted within the scope of C.
The rotary furnace pyrolysis system is constituted by being set on the rack revolution furnace body and temperature control equipment, the furnace body
Tilt angle and revolving speed are adjustable, can control residence time of the pyrolytic carbon sample in furnace body, are equipped in furnace body feed inlet front end
It is pyrolyzed carrier gas inlet, adjusting can be separately provided by being pyrolyzed type carrier gases and flow, and furnace body temperature control method is electrical heating type, heating speed
Rate, final temperature are adjustable.Revolution furnace body inclination angle in the rotary furnace pyrolysis system can be in 0-60o(discharging is adjusted in range
End is lower than or maintains an equal level in feed end), furnace body revolving speed can be adjusted between 0-60r/min, control pyrolytic carbon in rotary furnace with this
Residence time, the revolution furnace body temperature control range can be room temperature to 900oC.(temperature being arranged here is lower than fluidisation bed temperature
Degree, is to be determined by the performance of actual equipment material therefor, according to the needs of product specific occasion, the temperature of rotary furnace is also
Fluidized bed can be higher than)
The cyclone separator is two stage cyclone separator, and periphery is equipped with electric heater unit, the electric heater unit heating
Rate, final temperature, heating power can be arranged by multistage Intelligent programmable sequence instrument.
On the base, the biomass material warehouse is equipped with for the biomass material warehouse and the setting of auger feed system
Vibrator and feed bin pressurising wind entrance, the vibrator works frequency can be adjusted according to Flow of Goods and Materials characteristic, efficiently solve life
Blanking problem of non-uniform caused by raw material of substance encircles because of knot of building bridge, ensure that the stability of product quality from source.
The auger feed system is driven by variable-frequency motor, and revolving speed is adjustable, and auger feed system external jacket is equipped with circulation
Cooling water.
The pyrolytic carbon product collection system is steel infundibulate splice jug, is connect with rotary furnace discharge port, on splice jug
Portion is equipped with pyrolysis gas outlet, and two-stage rotary furnace pyrolysis gas can vent one's spleen with the level-one fluid bed heat after cyclone separator and mix, through cold
Condenser collects tar, and can not coagulate pyrolysis gas can be used as gas heating, and splice jug lower part is equipped with pyrolytic carbon discharge valve.
The pyrolysis carrier gas distribution set-up of control system two-way or multipath gas channel, each gas piping setting valve and stream
Meter, flow is controllable, can be realized the mixing of different pyrolysis carrier gas, and the pyrolysis carrier gas can input pressurising on the feed bin respectively
Wind entrance, the fluidized wind surge tank of the fluidized bed pyrolysis system and rotary furnace feed inlet front end carrier gas inlet.
The beneficial effects of the present invention are: 1) of the present invention series coupled fluid bed fast pyrolysis process and rotary furnace at a slow speed
Pyrolytic process can carry out classification pyrolytic process regulation to biomass material, and flexibly, device is stable can for operating parameter control
It leans on；2) versatility flexibility of the present invention is high, can realize that the orientation of pyrolytic carbon product structure performance regulates and controls according to raw material physical property, production
Process is continuous, and material is heated evenly, quality stable homogeneous；3) surface characteristic of pyrolytic carbon product and pore structure are convenient in second level
Regulate and control in pyrolytic process, adsorption impurity is few, and degree of purity and quality are high.
Detailed description of the invention
Fig. 1 is two-part of the present invention series connection biomass continuous pyrolysis carbonizing apparatus schematic diagram,
In figure: 1, biomass material warehouse；1-1, pressurising wind entrance；1-2, biomass feed inlet；1-3, frequency conversion vibrator；2, it twists
Imperial feed system；2-1, variable-frequency motor；3, fluidized bed pyrolysis system, 3-1, thermocouple temperature measuring apparatus；4, rotary furnace pyrolysis system；
5, pyrolytic carbon product collection system；6, it is pyrolyzed carrier gas system；6-1, carrier gas surge tank；7, cyclone separator；8, condenser.
Fig. 2 is fluidized bed pyrolysis body sections schematic diagram,
In figure: 3-2: preheating section；3-3: bubbling segment；3-4: changeover portion；3-5: raising section；3-6: high temperature resistance heating element；3-
7: silicon carbide flame retardant coating；3-8: insulating layer；3-9: furnace wall；3-10: air distribution plate.
Specific embodiment
Embodiments of the present invention is further illustrated with reference to the accompanying drawing.
As shown in Figure 1, 2, a kind of two-part series connection biomass continuous pyrolysis carbonizing apparatus mainly includes that biomass material stores up
Storehouse 1, auger feed system 2, fluidized bed pyrolysis system 3, rotary furnace pyrolysis system 4, pyrolytic carbon product collection system 5 and pyrolysis carry
Gas distributes control system 6.The fluidized bed pyrolysis system 3 passes through the charging of two stage cyclone separator 7 and rotary furnace pyrolysis system 4
Mouth is connected.
1 top seal of biomass material warehouse, and it is provided with raw material pressurising wind entrance 1-1 and frequency conversion vibrator 1-3, according to
Biomass material flow behavior adjusts vibration frequency and pressurising wind flow, can effectively solve the problem that raw material is put up a bridge and ties arch problem, guarantees
The uniform blanking of raw material.The revolving speed of auger feed system 2 is driven by variable-frequency motor 2-1, has recirculated cooling water in auger external jacket,
Delivery rate is continuously adjustable, biomass material steadily can be delivered to fluidized bed pyrolysis reactor.
Fluidized bed pyrolysis reaction system 3 includes the air distribution plate 3-10 for being located at variable diameter burner hearth bottom, the variable diameter burner hearth main body
It is divided into preheating section 3-2, tetra- part bubbling segment 3-3, changeover portion 3-4 and raising section 3-5, wherein being used in preheating section lower disposed
The fluidized wind surge tank 6-1 for inputting carrier gas, the biomass feed inlet being connected to feed system 2, the furnace are provided in bubbling segment
Thorax main body is disposed with high temperature resistance heating element 3-6, silicon carbide flame retardant coating 3-7, insulating layer 3-8 and metal furnace wall 3- from the inside to the outside
9, hearth outer wall is equipped with thermocouple temperature measuring apparatus 3-1；Tetrameric temperature can be controlled respectively by multistage Intelligent programmable sequence instrument.
Burner hearth main body upper end is connected to two stage cyclone separator, and separator periphery is equipped with electric heater unit, and two stage cyclone separator 7 is by one
Secondary pyrolytic carbon separates and passes through Pipeline transport to rotary furnace pyrolysis system.
Rotary furnace pyrolysis system 4 is made of furnace body, rack and temperature control equipment, under furnace body feed inlet and cyclone separator
Portion's pyrolytic carbon discharging piping connection, feed inlet front end are equipped with second level and are pyrolyzed carrier gas inlet, and second level pyrolysis gas can be with fluidized bed pyrolysis
Gas piping is connected, and can also change pyrolysis atmosphere and flow according to target requirement；Tilting furnace angle can be in 0-60oIt is adjusted in range
Section, revolving speed can be adjusted between 0-60r/min, can control residence time of the pyrolytic carbon sample in furnace body, furnace body temperature control method
For electrical heating type, heating rate, final temperature (are lower than 900oC it) is adjusted.
Pyrolytic carbon product collection system 5 is steel infundibulate splice jug, is connect, is connect with revolution outlet of still by sealing bearing
Batch can top is equipped with pyrolysis gas outlet, and two-stage rotary furnace pyrolysis gas can vent one's spleen mixed with the level-one fluid bed heat after cyclone separator
It closes, collects tar through condenser 8, can not coagulate pyrolysis gas can be used as gas heating, and splice jug lower part is equipped with pyrolytic carbon discharge valve.
Claims (10)
- The biomass continuous pyrolysis carbonizing apparatus 1. a kind of two-part is connected, it is characterised in that: be that a kind of to have coupled fluidized bed quick The two-stage series connection pyrolysis installation of pyrolysis and rotary furnace slow pyrolysis process, biomass pyrolysis process classification is handled；It specifically includes Biomass material warehouse, feed system, fluidized bed pyrolysis system, rotary furnace pyrolysis system, pyrolytic carbon product collection system and heat It solves carrier gas and distributes control system；The fluidized bed pyrolysis system is connected by cyclone separator with rotary furnace pyrolysis system feed inlet It connects.
- The biomass continuous pyrolysis carbonizing apparatus 2. two-part according to claim 1 is connected, it is characterised in that: the fluidisation Bed pyrolysis system includes variable diameter burner hearth main body and the air distribution plate that burner hearth bottom is arranged in；The variable diameter burner hearth main body is divided into preheating Section, four part of bubbling segment, changeover portion and raising section, wherein having the buffering of the fluidized wind for inputting carrier gas in preheating section lower disposed Tank, the feed inlet being connected to feed system is provided in bubbling segment, and the burner hearth main body is disposed with high temperature resistance from the inside to the outside and adds Thermal element, silicon carbide flame retardant coating, insulating layer and metal furnace wall, hearth outer wall are equipped with thermocouple temperature measuring apparatus.
- The biomass continuous pyrolysis carbonizing apparatus 3. two-part according to claim 1 is connected, it is characterised in that: the revolution Furnace pyrolysis system is constituted by being set on the rack revolution furnace body and temperature control equipment, and the tilting furnace angle and revolving speed can It adjusts, residence time of the pyrolytic carbon sample in furnace body can be controlled, be equipped with pyrolysis carrier gas inlet, pyrolysis in furnace body feed inlet front end Adjusting can be separately provided in type carrier gases and flow, and furnace body temperature control method is electrical heating type, and heating rate, final temperature are adjustable.
- The biomass continuous pyrolysis carbonizing apparatus 4. two-part according to claim 1 is connected, it is characterised in that: the whirlwind Separator is two stage cyclone separator, and periphery is equipped with electric heater unit, and the electric heater unit heating rate terminates temperature Degree, heating power can be arranged by multistage Intelligent programmable sequence instrument.
- The biomass continuous pyrolysis carbonizing apparatus 5. two-part according to claim 1 is connected, it is characterised in that: the biology Matter raw material warehouse is equipped with vibrator and feed bin pressurising wind entrance, and the vibrator works frequency can be according to Flow of Goods and Materials characteristic tune Section.
- The continuous biomass pyrolysis device 6. two-part according to claim 1 is connected, it is characterised in that: the auger charging System is driven by variable-frequency motor, and revolving speed is adjustable, and auger feed system external jacket is equipped with recirculated cooling water.
- The biomass continuous pyrolysis carbonizing apparatus 7. two-part according to claim 1 is connected, it is characterised in that: the pyrolysis Charcoal product collection system is steel infundibulate splice jug, is connect with rotary furnace discharge port,Splice jug top is equipped with pyrolysis gas outlet, Two-stage rotary furnace pyrolysis gas can vent one's spleen with the level-one fluid bed heat after cyclone separator and mix, and collect tar through condenser, can not Solidifying pyrolysis gas can be used as gas heating, and splice jug lower part is equipped with pyrolytic carbon discharge valve.
- The biomass continuous pyrolysis carbonizing apparatus 8. two-part according to claim 1 is connected, it is characterised in that: the pyrolysis Carrier gas distributes set-up of control system two-way or multipath gas channel, each gas piping setting valve and flowmeter, and flow is controllable, energy Enough realize that the mixing of different pyrolysis carrier gas, the pyrolysis carrier gas can input pressurising wind entrance, the fluidisation on the feed bin 1 respectively The fluidized wind surge tank and rotary furnace feed inlet front end carrier gas inlet of bed pyrolysis system.
- The biomass continuous pyrolysis carbonizing apparatus 9. two-part according to claim 1 or 2 is connected, it is characterised in that: described Temperature of each section in fluid bed heat system can be lower than 1100oIt is adjusted within the scope of C.
- The biomass continuous pyrolysis carbonizing apparatus 10. two-part according to claim 1 or 3 is connected, it is characterised in that: described Revolution furnace body inclination angle in rotary furnace pyrolysis system can be in 0-60oIt is adjusted in range, furnace body revolving speed can be adjusted between 0-60r/min Section controls residence time of the pyrolytic carbon in rotary furnace with this, and the revolution furnace body temperature control range is room temperature to 900oC。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111440629A (en) * | 2020-04-09 | 2020-07-24 | 华中农业大学 | Gas-solid staged pyrolysis differential staged continuous biomass carbonization device and method |
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