CN108148605A - A kind of composition heating type biomass continuous step pyrolytic carbon gas coproduction system - Google Patents
A kind of composition heating type biomass continuous step pyrolytic carbon gas coproduction system Download PDFInfo
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- CN108148605A CN108148605A CN201611096025.1A CN201611096025A CN108148605A CN 108148605 A CN108148605 A CN 108148605A CN 201611096025 A CN201611096025 A CN 201611096025A CN 108148605 A CN108148605 A CN 108148605A
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- 239000002028 Biomass Substances 0.000 title claims abstract description 66
- 238000010438 heat treatment Methods 0.000 title claims abstract description 54
- 239000000203 mixture Substances 0.000 title claims abstract description 54
- 239000002296 pyrolytic carbon Substances 0.000 title claims abstract description 19
- 238000000197 pyrolysis Methods 0.000 claims abstract description 90
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 29
- 238000009833 condensation Methods 0.000 claims abstract description 23
- 230000005494 condensation Effects 0.000 claims abstract description 23
- 239000003610 charcoal Substances 0.000 claims abstract description 19
- 238000003860 storage Methods 0.000 claims abstract description 15
- 238000005235 decoking Methods 0.000 claims abstract description 11
- 238000000605 extraction Methods 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 15
- 239000000779 smoke Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000010000 carbonizing Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 206010020843 Hyperthermia Diseases 0.000 claims description 3
- 238000002679 ablation Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000036031 hyperthermia Effects 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 210000000952 spleen Anatomy 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 46
- 239000003921 oil Substances 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000003763 carbonization Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000012075 bio-oil Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood 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
-
- 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
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/28—Other processes
- C10B47/32—Other processes in ovens with mechanical conveying means
- C10B47/44—Other processes in ovens with mechanical conveying means with conveyor-screws
-
- 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
-
- 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
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1011—Biomass
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Coke Industry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation systems, the system by feeding device, composition heating type biomass continuous step pyrolysis installation, pyrolysis gas B-grade condensation separator, high-pressure electrostatic decoking dust-extraction unit, pyrolysis gas oil-washing apparatus, caisson, oil storage tank, cool down out charcoal device etc. and form, the front end of composition heating type biomass continuous step pyrolysis installation is feeding device, and rear end is sequentially connected in series by pyrolysis gas B-grade condensation separator, high-pressure electrostatic decoking dust-extraction unit, pyrolysis gas oil-washing apparatus and caisson.Composition heating type biomass continuous step pyrolysis installation is using the opposite revolving drum conveying material of the inside and outside two insert portion hand of spiral, interior revolving drum is internally provided with shovelling plate, outer revolving drum is internally provided with spiral, the efficient drying and fast pyrogenation to material are respectively used to, realizes the efficient utilization of biomass pyrolytic step continuous production and energy.
Description
Technical field
The invention belongs to field of renewable energy technology, and in particular to a kind of composition heating type biomass continuous step pyrolysis
Charcoal gas co-generation system can especially realize the pyrolysis of material step and orderly conveying during biomass continuous carbonization, be suitable for
Technique for biomass pyrolysis carbon gas oil coproduction production system is developed.
Background technology
China has abundant agriculture and forestry organic waste material resource, according to statistics 900,000,000 tons or so of crops annual output, and about equivalent 4.5 hundred million
Ton standard coal, the stalk largely discarded are burned in field, not only waste a large amount of biomass energy, but also environment is caused
Serious pollution.Biomass thermal chemical conversion technology refers to is converted into high-quality using chemical means by biomass in a heated condition
The technology of fuel.Biomass carbonization carbon gas and oil co-production technology refers to biomass material heat temperature raising in anoxybiotic or low-oxygen environment and draws
The process that intramolecule is decomposed to form charcoal, bio oil and biological fuel gas is played, it is a kind of to belong to biomass thermal chemical conversion technology.
According to the continuity of production process, China mainly develops fixed bed biomass charring process and biomass moving bed charing at present
Technology.Biomass moving bed carbonization device becomes raw with the advantages that its continuous production is good, productivity is high and product quality is stablized
The emphasis of substance charring process equipment.There are still bottlenecks, such as object in terms of biomass continuous carbonization Poly-generation technology equipment
Expect that smooth sequential conveying, refractory seals and transmission, safe early warning and explosion-proof and combined type tar remove etc., break through above crucial
Technology can be pyrolyzed Poly-generation equipment for continuous biomass and provide important technical support.
It can be divided into the biomass moving bed charring process of crossing current and the perpendicular biomass moving bed charring process of stream according to flow direction of material,
Wherein, crossing current moving bed charring process material is mobile using material pushing mechanisms such as spiral or rotating cylinders, erects stream moving bed charing
The movement of technology material relies primarily on its dead weight.102816581 A of patent CN disclose a kind of perpendicular stream mobile biomass pyrolysis
Device uses using the hot-blast stove that fuel wood is fuel as heat source, biomass carbonization carbon gas and oil connection is realized by external heating mode
Production；102936507 A of patent CN disclose a kind of crawler type pyrolysis reactor, and the appropriateness of material is squeezed by crawler belt, is strengthened
Heat transfer in retort process；104910937 A of CN convey material using multiple coil, realize material continuously carbonizing；CN
102032553 A disclose a kind of revolution retort, convey material using rotating cylinder and are pyrolyzed using external heat.
The continuous conveying of material is realized using forms such as spiral, rotating cylinder, crawler belt or dead weights, it is continuous to meet biomass
The basic demand of destructive distillation, but the zoom comparison of helical feed mode system is difficult, using the dead weight easy frame material of discharged way, it is difficult to have
Sequence conveys material, makes material excessively loose in general rotating cylinder transmission process, is unfavorable for conducting heat, and crawler-tread system heat exchange efficiency
Height, but realize that system sealing difficulty is big.
Invention content
In order to overcome the orderly difficulty of transportation of existing biomass carbonization system material, the problems such as system heat transfer efficiency is relatively low, this
A kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system of disclosure of the invention, merges the excellent of different mode of movement
Point, is pyrolyzed by continuous step, has been reached material high-efficiency heat exchange, segmentation pyrolysis and has orderly been conveyed purpose.
The system schema taken to reach this purpose of the present invention is：A kind of composition heating type biomass continuous step heat
Charcoal gas co-generation system is solved to be detached by feeding device, composition heating type biomass continuous step pyrolysis installation, pyrolysis gas B-grade condensation
Device, pyrolysis gas oil-washing apparatus, caisson, oil storage tank, cools down out charcoal device composition at high-pressure electrostatic decoking dust-extraction unit.Its
The front end for being characterized in that composition heating type biomass continuous step pyrolysis installation is feeding device, and rear end is by pyrolysis gas B-grade condensation
Separator, high-pressure electrostatic decoking dust-extraction unit, pyrolysis gas oil-washing apparatus and caisson are sequentially connected in series, for the net of pyrolysis gas
Change separation and storage, pyrolysis gas oil-washing apparatus uses fountain oil wash mode, and refrigerant generally uses kerosene.Cool down out charcoal device peace
Mounted in composition heating type biomass continuous step pyrolysis installation side-lower, biology is generally cooled down using dividing wall type recirculated water cooling mode
Charcoal.
A kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system, composition heating type life therein
Substance continuous step pyrolysis installation is by sealed feeder unit, pyrolysis gas outlet, explosion-protection equipment, exhanst gas outlet, insulating layer, hot cigarette
Chamber, outer revolving drum, interior revolving drum, radiation deflector, stent, burner, heat preservation carbonizing apparatus and transmission device composition, seal into
Expect that device is mounted on the front end of equipment, connect with interior revolving drum, feeding is generally combined with lock wind mechanism using helical feed, it is close
The feed screw structure rotating speed for sealing feed arrangement is adjustable.
A kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system, composition heating type life therein
Insulating layer, hot smoke chamber, outer revolving drum and the interior revolving drum of substance continuous step pyrolysis installation are co-axially mounted, and insulating layer is mounted on heat
The outside of smoke chamber generally using the high-temperature-resistant thermal-insulations material such as rock wool, hard polyurethane board, is kept the temperature, outer revolution for pyrolysis system
Cylinder is fixedly connected with interior revolving drum, and steering is identical, and outer revolving drum theory material conveying capacity is generally the 1.1 ~ 1.3 of interior revolving drum
Times, for preventing the feed blocking in the course of work.
A kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system, composition heating type life therein
The interior revolving drum of substance continuous step pyrolysis installation generally can be used two-wire or multi-thread disjunction spiral stock guide or with angle raise
Flitch is copied and is dried for turning over for material, and continuous helical material guide mechanism generally can be used in outer revolving drum, realizes high efficient heat exchanging and heat
The material guide mechanism of solution, outer revolving drum and interior revolving drum is oppositely oriented, it can be achieved that reversely being conveyed to material baffling.Interior revolving drum is main
For the drying of material, outer revolving drum is mainly used for the pyrolysis of material, improves adaptability of the equipment to material water ratio.
A kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system, composition heating type life therein
The pyrolysis gas outlet of substance continuous step pyrolysis installation is generally along the circumferential direction opened 3 ~ 5 mouths, is passed through from interior revolving drum front opening
Outer revolving drum fixes support end export, and explosion-protection equipment is U-shaped water seal mechanism, support connection is fixed with outer revolving drum, for system
Emergency decompression.When chamber pressure rises sharply, the exhaust of U-shaped water seal mechanism water column pressure is overcome, it can be achieved that emergency relief.
A kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system, composition heating type life therein
The burner of substance continuous step pyrolysis installation is connect with hot smoke chamber, and radiation deflector is set in junction, prevents heat smoke
The outer revolving drum of localized hyperthermia's ablation, radiation deflector is generally using carbofrax material, heat preservation carbonizing apparatus and outer revolving drum end
Connection, for the further curing of charcoal, heat preservation carbonizing apparatus is generally using vertically-mounted mode, to reduce the knot of charcoal
Arch material risk, material are keeping the temperature the residence time general control of char zone in more than 30min.
A kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system, pyrolysis gas two level therein are cold
Solidifying separator is connected with pyrolysis gas outlet, and generally using dividing wall type water cooling and air-cooled technology, condensation temperature is adjustable, and the first order is cold
Solidifying temperature is generally 110 ~ 150 DEG C, and second level condensation temperature is generally 80 ~ 90 DEG C, pyrolysis gas B-grade condensation separator just under
Side's connection oil storage tank, oil storage tank are connect by utilidor with burner, are heated by the external revolving drum of pyrolysis oil reflowed combustion.
When cannot meet system pyrolysis needs such as pyrolysis oil, it can also be supplemented with the combustion gas in caisson.
The present invention has the following advantages or good effect.
（1）Composition heating type biomass continuous step pyrolysis installation is using the inside and outside two insert portion hand of spiral opposite
Revolving drum conveys material, and interior revolving drum is internally provided with shovelling plate, and outer revolving drum is internally provided with spiral, is respectively used to the effective of material
Dry and fast pyrogenation is, it can be achieved that biomass pyrolytic step continuous production.
（2）Pyrolysis oil is directly strile-backd heating, is effectively reduced in production process to the dependence of other energy, is formd biology
" minimum " production system of matter pyrolysis, improves technological applicability, while it is insufficient to solve current pyrolysis oil backend application market
The problem of, tar is avoided to cause secondary pollution to environment.
（4）Explosion-protection equipment uses U-shaped water seal mechanism, can effectively avoid chamber pressure and rises sharply the gas explosion risk brought, tool
There is the advantages of safe ready, economical and practical.
Description of the drawings.
Fig. 1 is a kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system schematic diagram.
Fig. 2 is composition heating type biomass continuous step pyrolysis installation agent structure schematic diagram.
In Fig. 1：1 it is feeding device, 2 be composition heating type biomass continuous step pyrolysis installation, 3 is that pyrolysis gas two level is cold
Solidifying separator, 4 be high-pressure electrostatic decoking dust-extraction unit, 5 be pyrolysis gas oil-washing apparatus, 6 be caisson, 7 be oil storage tank, 8
To cool down out charcoal device.
In Fig. 2：201 be sealed feeder unit, 202 be pyrolysis gas outlet, 203 be explosion-protection equipment, 204 be exhanst gas outlet,
205 it is insulating layer, 206 be hot smoke chamber, 207 be outer revolving drum, 208 be interior revolving drum, 209 be radiation deflector, 210 is branch
Frame, 211 be burner, 212 be heat preservation carbonizing apparatus, 213 be transmission device.
Specific embodiment.
The present embodiment is composition heating type biomass continuous step pyrolytic carbon gas coproduction pilot test system, right below in conjunction with the accompanying drawings
The embodiment of the present invention is described：The production system is by feeding device（1）, composition heating type biomass continuous step pyrolysis dress
It puts（2）, pyrolysis gas B-grade condensation separator（3）, high-pressure electrostatic decoking dust-extraction unit（4）, pyrolysis gas oil-washing apparatus（5）, storage
Device of air（6）, oil storage tank（7）, cool down out charcoal device（8）Deng composition, composition heating type biomass continuous step pyrolysis installation（2）
Front end be feeding device（1）, rear end is by pyrolysis gas B-grade condensation separator（3）, high-pressure electrostatic decoking dust-extraction unit（4）、
Pyrolysis gas oil-washing apparatus（5）And caisson（6）It is sequentially connected in series, purification separation and storage for pyrolysis gas, pyrolysis gas oil wash
Device（5）Using fountain oil wash mode, refrigerant uses kerosene, cools down out charcoal device（8）Mounted on composition heating type biomass
Continuous step pyrolysis installation（2）Side-lower cools down out charcoal device（8）Employ dividing wall type circulating water cooling system.Composition heating type
Biomass continuous step pyrolysis installation（2）By sealed feeder unit（201）, pyrolysis gas outlet（202）, explosion-protection equipment（203）, cigarette
Gas exports（204）, insulating layer（205）, hot smoke chamber（206）, outer revolving drum（207）, interior revolving drum（208）, radiation deflector
（209）, stent（210）, burner（211）, heat preservation carbonizing apparatus（212）And transmission device（213）Composition, sealed feeder unit
（201）Mounted on the front end of equipment, with interior revolving drum（208）Connect, feeding is combined with lock wind mechanism using helical feed.Group
Close heating type biomass continuous step pyrolysis installation（2）Insulating layer（205）, hot smoke chamber（206）, outer revolving drum（207）With it is interior
Revolving drum（208）It is co-axially mounted, insulating layer（205）Mounted on hot smoke chamber（206）Outside, using hard polyurethane board as protect
Adiabator, outer revolving drum（207）With interior revolving drum（208）It is fixedly connected, turns to identical, outer revolving drum（208）Theoretical material is defeated
It is interior revolving drum to send ability（207）1.2 times.Composition heating type biomass continuous step pyrolysis installation（2）Interior revolving drum
（208）Using two-wire disjunction spiral stock guide, copy and dry for turning over for material, outer revolving drum（207）It is led using continuous helical
Expect mechanism, realize high efficient heat exchanging and pyrolysis, outer revolving drum（207）With interior revolving drum（208）Material guide mechanism it is oppositely oriented, realize
Material baffling is reversely conveyed.Composition heating type biomass continuous step pyrolysis installation（2）Pyrolysis gas outlet（202）From interior time
Rotating cylinder（208）Front opening, along interior revolving drum（208）Circumferencial direction opens 3 mouths, through outer revolving drum（207）Fixed support end is led
Go out, explosion-protection equipment（203）For U-shaped water seal mechanism, with outer revolving drum（207）Fixed support connection, for system emergency pressure release.Group
Close heating type biomass continuous step pyrolysis installation（2）Burner（211）With hot smoke chamber（206）Connection, and set in junction
Put radiation deflector（209）, prevent the outer revolving drum of heat smoke localized hyperthermia ablation（207）, keep the temperature carbonizing apparatus（212）It is returned with outer
Rotating cylinder（207）End connects, and material is in heat preservation carbonizing apparatus（212）In the design residence time for 30 ~ 60min, for biology
The further curing of charcoal.
Pyrolysis gas B-grade condensation separator（3）With pyrolysis gas outlet（202）It is connected, using dividing wall type water cooling and air-cooled group
Condensation technology is closed, condensation temperature is adjustable, and first order design condensation temperature is 150 DEG C, and second level design condensation temperature is 90 DEG C, heat
It vents one's spleen B-grade condensation separator（3）Underface connects oil storage tank（7）, oil storage tank（7）Pass through utilidor and burner（211）
Connection, passes through the external revolving drum of pyrolysis oil reflowed combustion（207）Heating.High-pressure electrostatic decoking dust-extraction unit（4）Mounted on pyrolysis
Gas B-grade condensation separator（3）Rear side, operating voltage 55kV, for the further decoking dedusting of pyrolysis gas.
Pilot test system performance test results show：The production system realizes the step pyrolysis and orderly conveying of material, can
For being pyrolyzed the raw material that moisture content is no more than 20%, pyrolysis oil and partial thermal decomposition gas reuse burning disclosure satisfy that system heats needs,
Purified pyrolysis gas calorific value can reach 12MJ/Nm3More than, charcoal yield reaches more than 25%, and the fixed carbon of charcoal contains
The indexs such as amount, calorific value have reached target.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although reference
The present invention is described in detail in preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to the present invention's
Technical solution is modified or replaced equivalently, and without departing from the spirit and scope of technical solution of the present invention, should all be covered
In scope of the presently claimed invention.
Claims (7)
1. a kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system, by feeding device（1）, composition heating type life
Substance continuous step pyrolysis installation（2）, pyrolysis gas B-grade condensation separator（3）, high-pressure electrostatic decoking dust-extraction unit（4）, heat
It vents one's spleen oil-washing apparatus（5）, caisson（6）, oil storage tank（7）With cool down out charcoal device（8）Composition, it is characterised in that combined heated
Formula biomass continuous step pyrolysis installation（2）Front end be feeding device（1）, rear end is by pyrolysis gas B-grade condensation separator
（3）, high-pressure electrostatic decoking dust-extraction unit（4）, pyrolysis gas oil-washing apparatus（5）And caisson（6）It is sequentially connected in series, for pyrolysis gas
Purification separation and storage, cool down out charcoal device（8）Mounted on composition heating type biomass continuous step pyrolysis installation（2）Under side
Side.
2. a kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system, feature exist according to claim 1
In composition heating type biomass continuous step pyrolysis installation（2）By sealed feeder unit（201）, pyrolysis gas outlet（202）, it is explosion-proof
Device（203）, exhanst gas outlet（204）, insulating layer（205）, hot smoke chamber（206）, outer revolving drum（207）, interior revolving drum（208）、
Radiate deflector（209）, stent（210）, burner（211）, heat preservation carbonizing apparatus（212）And transmission device（213）Composition, it is close
Seal feed arrangement（201）Mounted on the front end of equipment, with interior revolving drum（208）Connect, generally using helical feed and lock wind
Mechanism Combination feeding.
3. a kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system according to claim 1 or claim 2, feature
It is composition heating type biomass continuous step pyrolysis installation（2）Insulating layer（205）, hot smoke chamber（206）, outer revolving drum
（207）With interior revolving drum（208）It is co-axially mounted, insulating layer（205）Mounted on hot smoke chamber（206）Outside, generally using rock wool,
The high-temperature-resistant thermal-insulations material such as hard polyurethane board, outer revolving drum（207）With interior revolving drum（208）It is fixedly connected, steering is identical, outside
Revolving drum（208）The generally interior revolving drum of theoretical material conveying capacity（207）1.1 ~ 1.3 times.
4. a kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system according to claim 1 or claim 2, feature
It is composition heating type biomass continuous step pyrolysis installation（2）Interior revolving drum（208）Two-wire or multi-thread point generally can be used
Disconnected spiral stock guide or lifting blade with angle, copy and dry for turning over for material, outer revolving drum（207）It is general to can be used continuously
Spiral material guide mechanism realizes high efficient heat exchanging and pyrolysis, outer revolving drum（207）With interior revolving drum（208）Material guide mechanism rotation direction phase
Instead, it can be achieved that reversely being conveyed to material baffling.
5. a kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system according to claim 1 or claim 2, feature
It is composition heating type biomass continuous step pyrolysis installation（2）Pyrolysis gas outlet（202）From interior revolving drum（208）It opens front end
Mouthful, 3 ~ 5 mouths are generally along the circumferential direction opened, through outer revolving drum（207）Fixed support end export, explosion-protection equipment（203）For U-shaped water
Sealing mechanism, with outer revolving drum（207）Fixed support end connection, for system emergency pressure release.
6. a kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system according to claim 1 or claim 2, feature
It is composition heating type biomass continuous step pyrolysis installation（2）Burner（211）With hot smoke chamber（206）Connection, and even
Connect place's setting radiation deflector（209）, prevent the outer revolving drum of heat smoke localized hyperthermia ablation（207）, keep the temperature carbonizing apparatus（212）
With outer revolving drum（207）End connects, for the further curing of charcoal.
7. a kind of composition heating type biomass continuous step pyrolytic carbon gas co-generation system according to claim 1 or claim 2, feature
It is pyrolysis gas B-grade condensation separator（3）With pyrolysis gas outlet（202）It is connected, generally uses dividing wall type water cooling and air-cooled skill
Art, condensation temperature is adjustable, and first order condensation temperature is generally 110 ~ 150 DEG C, and second level condensation temperature is generally 80 ~ 90 DEG C, heat
It vents one's spleen B-grade condensation separator（3）Underface connects oil storage tank（7）, oil storage tank（7）Pass through utilidor and burner（211）
Connection, passes through the external revolving drum of pyrolysis oil reflowed combustion（207）Heating.
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