CN106675655A - Device and method for biomass chemical chain gasification hydrogen production based on calcium-based carbon supporting body - Google Patents
Device and method for biomass chemical chain gasification hydrogen production based on calcium-based carbon supporting body Download PDFInfo
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- CN106675655A CN106675655A CN201611111821.8A CN201611111821A CN106675655A CN 106675655 A CN106675655 A CN 106675655A CN 201611111821 A CN201611111821 A CN 201611111821A CN 106675655 A CN106675655 A CN 106675655A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
- C10J3/30—Fuel charging devices
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/723—Controlling or regulating the gasification process
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/86—Other features combined with waste-heat boilers
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
- C10J2300/1823—Recycle loops, e.g. gas, solids, heating medium, water for synthesis gas
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
Abstract
The invention relates to a device and a method for biomass chemical chain gasification hydrogen production based on a calcium-based carbon supporting body. The device comprises a biomass gasification furnace, a calcium-based carbon supporting body calcining furnace, a cyclone separator, an upper return valve and a lower return valve; during use, when the operating temperature reaches the preset operating temperature, and after the working pressure of each of two furnace bodies is micro-positive pressure, the calcium-based carbon supporting body is added from a calcium-based carbon supporting body spiral feed port of the calcium-based carbon supporting body calcining furnace, and then biomass particles are added into a biomass spiral feed port; the water vapor and biomass ratio and the solid fluidization rate are adjusted according to the site needs; after the solid fluidization rate is kept stable, a water circulation valve of a waste heat recovery chamber is opened; along with the increase of the number of cycles of the calcium-based carbon supporting body, the carbon supporting capacity of the calcium-based carbon supporting body is reduced, and at the moment, the feeding rate of the fresh calcium-based carbon supporting body in the calcining furnace is adjusted through a flue gas outlet of the cyclone separator as well as the concentration value of CO2 measured at a flue gas outlet of the gasification furnace; meanwhile, a large particle passage of the calcining furnace is opened to discharge sintered and agglomerated large particles into a slag opening of a wind chamber in the lower part for discharge.
Description
Technical field：
The present invention relates to a kind of biomass chemical chain gasification device for producing hydrogen and method, more particularly to it is a kind of based on calcio load carbon
The biomass chemical chain gasification device for producing hydrogen of body and method.
Background technology：
The 5th assessment report that IPCC in 2014 is issued point out, CO2Remain topmost greenhouse gases.With 2010
The CO of economical activities of mankind discharge2From the point of view of, wherein electric power and heating accounts for 25%, and agricultural and Land_use change account for 24%, and industry is accounted for
21%, traffic accounts for 14%, and building trade accounts for 6.4%, and other account for 9.6%.According to most of Scenario Predictions, ensuing decades
In the supply of the disposable energy will be based on Fossil fuel, and the CO of discharge produced by combustion of fossil fuel2The proportion for accounting for compared with
Greatly, and be also the most controllable.Carbon capture is referred to CO with memory technology (CCS)2Capture and separate from related burning and exhausting source
Out, the places such as oil gas field, ocean are transported to carry out (thousand of years) for a long time and seal up for safekeeping, so as to prevent or substantially reduce greenhouse gases
Discharge, to mitigate impact to terrestrial climate, it is considered to be maximally effective measure at present.And the cost of wherein carbon trapping accounts for whole
The 2/3 of individual system, thus the research and development of carbon trapping technique seems most important for greatly developing CCS technologies.
Biomass energy is listed in the fourth-largest energy, potential big, renewable, oligosaprobic feature.Chinese theory biomass
Energy resource is about 5,000,000,000 tons/year.The resource for being available for exploitation at this stage is mainly agro-ecology resource, forestry biomass resource,
Feces of livestock and poultry, sanitary sewage and industrial organic waste water, solid waste and energy crop etc..These physical resources are converted into standard
Coal is：3,800,000,000 tons/year of agro-ecology resource, 1,000,000,000 tons/year of feces of livestock and poultry, 900,000,000 tons/year of forestry biomass resource, solid waste 8
Hundred million tons/year.In recent years, China biogas utilization, biomass direct-fired, biomass molding fuel, biomass cracking, alcohol fuel,
The aspects such as biodiesel develop biomass utilization new technique and the achievement in research of application is notable.List is raw from the point of view of environmental
Material belongs to the clean type energy, as fuel have it is low ash, low-sulfur the features such as and burning in realize zero-emission mechanism, after burning
Carbon dioxide take part in Carbon cycle, not form new pollution.The exploitation of biomass energy utilization technologies is most important, in recent years opposite
The research and application of material energy more and more cause the concern of people.
In first position in the periodic table of elements, the symbol that it is represented is H to protium.Hydrogen is that weight is most light, and is had
There are thermal conductive resin and combustible cleaning substance.In general the energy is divided into two big class by us：The first kind is once can
Source, this kind of energy is primarily referred to as the energy existed with natural form, for example, coal, oil, natural gas and wind energy, nuclear energy etc.；
The Equations of The Second Kind energy is secondary energy sources, and this kind of energy is primarily referred to as by the energy resulting after primary energy processing, for example, electricity
Energy, product oil, Hydrogen Energy etc..Secondary energy sources can also be further separated into two categories below：The first kind is, the Process Character energy；The
Two classes are the sources of the physical ability containing energy.Process Character energy source use it is most be exactly electric energy, and it is current we used most widely containing energy
Physical ability source is product oil.And hydrogen is that at present we can be in the content highest of nature acquisition and with very efficiently containing energy
Physical ability source, used as a kind of clean type energy, hydrogen energy source has huge potentiality to be exploited.
It is a kind of brand-new low-carbon technology that biomass combine carbon capture with memory technology, and it is while negative carbon emission is produced
The energy is produced in the form of electric energy, heat energy, gaseous state and liquid fuel.At present, biomass joint carbon capture is directed to both at home and abroad and is deposited
The research of storage technology is in the starting stage.It is biomass joint based on the biomass chemical chain gasification hydrogen producing technology of calcio carbon carrier
Carbon capture and the perfect annotation of memory technology, not only combine all advantages of carbon capture and memory technology with biomass, while
Also have concurrently and produce the efficient source of the physical ability containing energy -- the function of Hydrogen Energy, provide one for the cleaning of future source of energy, efficient utilization development
The important technical scheme of bar.But, at present with regard to the research of the biomass chemical chain gasification hydrogen producing technology based on calcio carbon carrier
In the starting stage, there is provided a kind of device and method of the biomass chemical chain gasification hydrogen manufacturing of practicable, for following China
The development of energy strategy is extremely important.
The content of the invention：
Present invention aim at a kind of biomass chemical chain gasification device for producing hydrogen and method based on calcio carbon carrier is provided,
Achievable biomass steam gasification hydrogen-producing, while reducing CO in synthesis gas2Concentration, there is provided hydrogen-rich synthetic gas, reduces carbon trapping
Cost and cost of material.To improve the load carbon capacity of carbon carbon carrier and recycling number of times in gasification furnace, the present invention is carried to calcio
Carbon body calcining furnace is transformed, and can effectively reduce the calcining heat of calcio carbon carrier, while improve the absorption of calcio carbon carrier holding
Amount and recycling number of times.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that to realize：
A kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier, including biomass gasifying furnace, calcio load
Carbon body calcining furnace, cyclone separator, top material returning valve and bottom material returning valve；Wherein,
Biomass gasifying furnace is divided into from top to bottom dilute-phase zone, emulsion zone and the first air compartment, and the middle part outside of emulsion zone sets
It is equipped with biomass screw feed arrangement and the biomass screw charging aperture being arranged in emulsion zone；Emulsion zone and the first air compartment
Between be provided with the first micropore ceramics disk, biomass gasifying furnace air compartment is provided with the first air compartment, the biomass gasifying furnace wind
The first wind cap is provided with the top of room, the bottom of the first air compartment is provided with the outlet of the first lime-ash；
Calcio carbon carrier calcining furnace is divided into from top to bottom waste heat recovery room, calcining compartment, preheating chamber and the second air compartment, its
In, the middle part outside of calcining compartment is provided with calcio carbon carrier screw feeding device and is arranged on the indoor calcio carbon carrier of calcining
Screw feed en-trance, preheating chamber is connected with the second air compartment by throat region, and the throat region has calcining furnace bulky grain thing to lead to
Road and the second micropore ceramics disk, are provided with air plenum in the second air compartment, vapor air compartment is provided with air plenum, and empty
The second wind cap is provided with the top of gas air compartment and vapor air compartment, the bottom of the second air compartment is provided with air compartment bottom and goes out
Cinder notch entrance；
The waste heat recovery room of calcio carbon carrier calcining furnace is connected with the top of cyclone separator, the top of cyclone separator
Cyclone separator exhanst gas outlet is additionally provided with, bottom is connected by top material returning valve with the dilute-phase zone of biomass gasifying furnace, it is raw
The dilute-phase zone of gasification substance stove is additionally provided with gasification furnace exhanst gas outlet, the emulsion zone of biomass gasifying furnace by bottom material returning valve with
The preheating chamber of calcio carbon carrier calcining furnace is connected.
The present invention is further improved by, and cyclone separator smoke outlet is provided with a CO2Concentration probe, gasification
Kiln gas exit is provided with the 2nd CO2Concentration probe, by a CO2Concentration probe and the 2nd CO2Concentration probe is monitored jointly
And in control system calcio carbon carrier load carbon ability.
The present invention is further improved by, also including water vapor generation device, the vapor outlet port of water vapor generation device
It is respectively connecting to biomass gasifying furnace air compartment and vapor air compartment.
The present invention is further improved by, and the 3rd micropore ceramics disk is provided with the material returning valve of top, sets in the material returning valve of bottom
There is the 4th micropore ceramics disk.
The present invention is further improved by, and is provided with coil pipe in the waste heat recovery room of calcio carbon carrier calcining furnace, the disk
Gutron is crossed waste heat recovery steam pipe and is communicated in vapor air compartment.
The present invention is further improved by, and biomass hopper, calcio are provided with the top of biomass screw feed arrangement
Calcio carbon carrier hopper is provided with the top of carbon carrier screw feeding device.
The present invention is further improved by, and the first lime-ash exit of the first air compartment bottom is provided with the first lime-ash spiral shell
Rotation drawing mechanism and the first lime-ash storage room；First air compartment and the second air compartment bottom are respectively arranged with the second lime-ash spiral and go out
Material device and the second lime-ash storage room, and the bottom of the bottom of the first lime-ash storage room and the second lime-ash storage room shares same
Lime-ash conveyer belt.
The present invention is further improved by, the bottom of top material returning valve be provided with a 3rd micropore ceramics disk and on
Material returning valve gas inlet valves, the bottom of bottom material returning valve is provided with a 4th micropore ceramics disk and lower material returning valve gas enters
Mouth valve, wherein, upper material returning valve gas access and lower material returning valve gas access are used to be passed through fluidizing gas.
The present invention is further improved by, and first air compartment's periphery is provided with the first firing equipment, second air compartment's periphery
The second firing equipment is provided with, preheating chamber periphery is provided with the 3rd firing equipment, waste heat recovery room periphery and is provided with the 4th firing equipment, forges
Burn room periphery and be provided with that the 5th firing equipment, air plenum periphery are provided with the 6th firing equipment and vapor air compartment periphery is provided with the 7th
Firing equipment.
A kind of using method of above-mentioned biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier, including following step
Suddenly：
First, preheat, make biomass gasifying furnace and the ambient temperature of calcio carbon carrier calcining furnace reach default operating temperature；
When running temperature reaches default operating temperature, it is ensured that biomass gasifying furnace, calcio carbon carrier calcining furnace operating pressure for it is micro- just
After pressure, the first air compartment, the second air compartment and top material returning valve gas access, bottom material returning valve gas inlet valves are opened, together
When close calcio carbon carrier calcining furnace calcining furnace bulky grain thing passage and waste heat recovery room water circulation valve, treat biomass gasifying furnace
After the completion of the air displacement in calcio carbon carrier calcining furnace, by the calcio carbon carrier screw feed en-trance of calcio carbon carrier calcining furnace
Calcio carbon carrier is added, then biological particles are added toward biomass screw charging aperture, vapor is adjusted with biology according to field demand
Matter ratio, solids fluidized speed, after solids fluidized speed remains stable, open waste heat recovery room water circulation valve；With calcium
Base load carbon body circulation number of times increases, and it carries carbon ability and declines, and is now gone out by cyclone separator exhanst gas outlet and gasification kiln gas
The CO that mouth place is surveyed2Concentration value, adjusts the charging rate of fresh calcio carbon carrier in calcining furnace, while opening calcining furnace bulky grain
Thing passage, enters the large particulate matter after agglomeration lower section air compartment cinder notch and discharges.
Compared with prior art, the present invention has advantages below：
The present invention is with biomass as raw material, calcio carbon carrier is as CO2Carbon carrier and vapor are gasifying agent, and raw material sources are wide
It is general, plant running cost can be effectively reduced, improve system economy.
Biomass material of the present invention enters gasification furnace by emulsion zone middle part, beneficial to bed in stove and biomass fluidization altogether；
Wind cap is equipped with air compartment, beneficial to gasifying agent even distributing wind；Gap between air compartment bottom and gasification furnace body is to slag tap
Mouthful, mode of slagging tap is spiral discharging, beneficial to maintenance system seal；Vapor is passed through in biomass gasifying furnace air compartment, is capable of achieving
Biomass steam gasification hydrogen-producing；Bed adopts calcio carbon carrier, CO in absorption synthesis gas2Component, improves hydrogen in synthesis gas
Content, reduces tar yield.
Calcio carbon carrier calcining furnace of the present invention, including：Preheating chamber, calcining compartment, waste heat recovery room and air compartment.In air compartment
The multi-wind-chamber air-distribution device of wind cap is equipped with, multi-wind-chamber cloth wind is capable of achieving in air compartment, the first air compartment is vapor air compartment, water
The pre- recuperation of heat steam of vapor portion pre- heat recovery chamber above calcining furnace, another part is filled by external source steam
Supply is put, operating cost is advantageously reduced, and air, vapor binary gas are passed through in calcio carbon carrier calcining furnace, had
Beneficial to raising CaCO3Decomposition rate, reduces CaCO3Decomposition temperature.
Throat of air compartment is embedded in the micropore ceramics disk with gradient, finely ground particle substance in calcio carbon carrier calcining furnace of the present invention
And air compartment mixing binary wind can be by micropore, for the large particulate matter after agglomeration can cannot be gone out by micropore by side
Mouth falls into air compartment's bottom slag notch, is conducive to removing the calcio carbon carrier that absorbability is remarkably decreased, and improves gasification furnace and contains
Trapping ability of the carbon body to carbon.
The fresh calcio carbon carrier of the present invention enters calcining furnace by lower section in calcining compartment, is urged into gasification furnace Jing after calcining
Metaplasia material produces hydrogen-rich synthetic gas；Calcining pretreatment is carried out to fresh calcio carbon carrier, is conducive to improving the suction of calcio carbon carrier
Attached ability and service life cycle.
Waste heat recovery room of the present invention is located at the calcining compartment top of calcio carbon carrier calcining furnace, flue gas and fluidisation state solid particle
Thing Jing waste heat recovery reach in gasification furnace it is temperature required after, gasification furnace is come back to by cyclone separator, can effectively lower system
Internal thermal equilibrium.
Warm-up phase is set in calcio carbon carrier calcining furnace of the present invention, by reducing CaCO3Heating rate during calcining, can
Effectively reduce CaCO3Decomposition temperature, while improving calcio carbon carrier absorbability and service life cycle.
The waste heat recovery stage is set in calcio carbon carrier calcining furnace of the present invention, and positioned at calcination stage top, is steamed by water
Gas waste heat recovery, the temperature that both can be lowered in biomass gasifying furnace also can be supplementary part water in the air compartment of calcining furnace first
Steam, can effective reducing apparatus operating cost.
The present invention can be by monitoring cyclone separator exhanst gas outlet and gasification furnace smoke outlet CO2Concentration, can effectively sentence
The absorption situation of calcio carbon carrier in disconnected stove；If gasification furnace smoke outlet CO2Concentration is raised, and cyclone separator exhanst gas outlet
Place CO2Concentration is reduced, then the fresh calcio carbon carrier of supplement toward in calcining furnace, while emptying the lime-ash in calcining furnace, maintains gasification
The low CO in kiln gas exit2CONCENTRATION STATE.
Lime-ash in slag from gasifying furnace storage room and calcining boiler ash sediment locker room can together be fallen into lower bed and send band by the present invention
On send, it is convenient and simple for operation.
Description of the drawings：
Fig. 1 is the structural representation of apparatus of the present invention；
Fig. 2 is the structural representation of calcining furnace micropore ceramics disk；
Fig. 3 is air compartment's structural representation in calcining furnace.
In figure：1- dilute-phase zones, 2- biomass gasifying furnaces, 3- emulsion zones, 4- biomass hoppers, 5- biomass screws charging dress
Put, 6- biomass screw charging apertures, 7- the first micropore ceramics disks, the air compartment of 8- first, the wind caps of 9- first, 10- first adds
Hot equipment, 11- biomass gasifying furnace air compartments, 12- the first lime-ash spiral discharge devices, 13- the first lime-ash storage rooms, 14- lime-ash
Conveyer belt, 15- fluidizing agent entrances, 16- the second lime-ash storage rooms, 17- the second lime-ash spiral discharge devices, 18- air plenums,
19- vapor air compartments, the firing equipments of 20- second, the wind caps of 21- second, the air compartment of 22- second, the micropore ceramics of 23- second
Disk, the firing equipments of 24- the 3rd, 25- preheating chambers, 26- calcio carbon carrier screw feeding devices, 27- calcio carbon carrier hoppers, 28-
Calcining compartment, 29- waste heat recovery steam pipes, 30- waste heat recoveries room, the CO of 31- the2Concentration probe, 32- cyclone separator flue gases go out
Mouthful, 33- cyclone separator, 34- tops material returning valve, the CO of 35- the 2nd2Concentration probe, 36- gasification furnace exhanst gas outlets, 37- the 4th adds
Hot equipment, the firing equipments of 38- the 5th, the micropore ceramics disks of 39- the 3rd, 40- calcio carbon carrier screw feed en-trances, 41- bottoms feed back
Valve, the micropore ceramics disks of 42- the 4th, 43- water vapor generation devices, 44- calcining furnace bulky grain thing passages, the second air compartment of 45- bottom
Portion's slag notch entrance, the firing equipments of 46- the 6th, 47- vapor air compartment entrances, the firing equipments of 48- the 7th, 49- calcio carbon carriers
Calcining furnace, the upper material returning valve gas inlet valves of 50-, material returning valve gas inlet valves under 51-, 52- coil pipes.
Specific embodiment：
The present invention is made further instructions below in conjunction with the accompanying drawings.
Refer to shown in Fig. 1 to 3, the present invention is a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier
And method, a kind of described biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier, including biomass gasifying furnace 2,
Calcio carbon carrier calcining furnace 49, cyclone separator 33, top material returning valve 34 and bottom material returning valve 41, top material returning valve 34 outlet with
Biomass gasifying furnace 2 connects；A CO is equipped with cyclone separator exhanst gas outlet 32 and gasification furnace exhanst gas outlet 362It is dense
Degree the 31, the 2nd CO of probe2Concentration probe 35, the real-time absorption situation of common monitoring calcio carbon carrier.
Biomass gasifying furnace 2 includes：Dilute-phase zone 1, the air compartment 8 of emulsion zone 3 and first, biomass material is by emulsion zone 3
Portion enters gasification furnace 2；The first wind cap 9 is equipped with first air compartment 8, the first wind cap 9 arranges mutually angled
Aperture；Gap between the bottom of the first air compartment 8 and the body of biomass gasifying furnace 2 be slag notch, mode of slagging tap be spiral discharging, spiral shell
Rotation discharge outlet arranges the first lime-ash storage room 13, finally lime-ash is discharged on the lime-ash conveyer belt 14 of lower section and is sent；It is biological
Vapor is passed through in first air compartment 11 of matter gasification furnace 2, bed adopts calcio carbon carrier, CO in adsorbable synthesis gas2Component, carries
Hydrogen content in high synthesis gas, reduces tar yield, and gasification furnace exhanst gas outlet 36 arranges the 2nd CO2Concentration probe 35；Bottom is returned
Material valve 41 entrance is located at the top of emulsion zone 3, and the outlet of top material returning valve 34 is located at the top of dilute-phase zone 1 middle part.
Calcio carbon carrier calcining furnace 49 includes：Preheating chamber 25, calcining compartment 28, the air compartment 22 of waste heat recovery room 30 and second；
Preheating chamber 25 is located at the lower section of calcining compartment 28, and the outlet of bottom material returning valve 41 is connected with the bottom of preheating chamber 25, exists with the second air compartment 22
Top connection；The multi-wind-chamber air-distribution device of the second wind cap 21 is equipped with second air compartment 22, can be real in the second air compartment 22
Existing multi-wind-chamber cloth wind：Air plenum 18, vapor air compartment 19；It is second micro- that top throat of second air compartment 22 is embedded in gradient
Hole ceramic disk 23, the upper surface of the second micropore ceramics disk 23 for inner concave and with certain slope, return by inner concave entrance connection bottom
Material valve 41 is exported, inner concave outlet connection bulky grain thing feeder connection, and finely ground particle substance and air compartment mixing binary wind can pass through micro-
Hole, for the large particulate matter after agglomeration by micropore, but can cannot be fallen by the calcining furnace bulky grain thing passage 44 of side
Enter the second air compartment bottom slag notch entrance 45, the second lime-ash storage room 16 is set at spiral discharging mouth, finally discharge lime-ash
Send on lower section lime-ash conveyer belt 14；Under fresh calcio carbon carrier screw feeding device 26 is located in calcining furnace calcining compartment 28
Portion；Waste heat recovery room 30 is located at the top of calcining compartment 28, and the wall of waste heat recovery room 30 is embedded in waste heat recovery steam pipe 29, and steam pipe goes out
Mouth is connected with vapor air compartment entrance 47；Preheating chamber 25 is set in calcio carbon carrier calcining furnace, it is possible to decrease calcining furnace heating rate.
Air, vapor binary gas are passed through in calcio carbon carrier calcining furnace 49, CaCO is improved3Decomposition rate, reduces CaCO3Decompose
Temperature；Warm-up phase is set in calcio carbon carrier calcining furnace 49, by reducing CaCO3Heating rate during calcining, improves CaCO3
Decomposition rate, reduces CaCO3Decomposition temperature；The waste heat recovery stage is set in calcio carbon carrier calcining furnace 49, and positioned at calcining rank
Duan Shangfang, by vapor waste heat recovery, the temperature that both can be lowered in biomass gasifying furnace, also can forge for calcio carbon carrier
Burn and supplement in the second air compartment 22 of stove 49 part vapor.
The absorption situation of calcio carbon carrier in the monitoring stove, concrete operations include：By monitoring cyclone separator 33
The smoke outlet CO of exhanst gas outlet and biomass gasifying furnace 22Concentration, judges the absorption situation of calcio carbon carrier in stove；If raw
The smoke outlet CO of gasification substance stove 22Concentration is raised, and the smoke outlet CO of cyclone separator 332Concentration is reduced, then past
The fresh calcio carbon carrier of supplement in calcio carbon carrier calcining furnace 49, while emptying big of inactivation in calcio carbon carrier calcining furnace 49
Grain lime-ash, maintains the low CO of the smoke outlet of biomass gasifying furnace 22Concentration.
First micropore at biomass gasifying furnace 2, calcio carbon carrier calcining furnace 49, top material returning valve 34 and bottom material returning valve 41
Ceramic disk 7, the second micropore ceramics disk 23, the 3rd micropore ceramics disk 39, the pore-size distribution such as institute of table 1 of the 4th micropore ceramics disk 42
Show.
During work, the first firing equipment 10, the second firing equipment 20, the 3rd firing equipment 24, the 4th firing equipment are opened
37th, the 5th firing equipment 38, the 6th firing equipment 46 and the 7th firing equipment 48, make each several part ambient temperature reach default work
Temperature, specific works temperature is as shown in table 2.When running temperature reaches default operating temperature, it is ensured that biomass gasifying furnace 2, calcium
The operating pressure of base carbon carrier calcining furnace 49 is after pressure-fired, to open the first air compartment 8, the second air compartment 22 and upper material returning valve gas
Inlet valve 50, lower material returning valve gas inlet valves 51, simultaneously close off the calcining furnace bulky grain thing of calcio carbon carrier calcining furnace 49
Passage 44 and the water circulation valve of waste heat recovery room 30, replace biomass gasifying furnace 2 and the air in calcio carbon carrier calcining furnace 49,
Calcio carbon carrier, calcio carbon carrier diameter is added to be about by the calcio carbon carrier screw feed en-trance 40 of calcio carbon carrier calcining furnace 49
0.25-0.3mm, addition is 1.5-2kg, and toward biomass screw charging aperture 6 biological particles are added, and biological particles are a diameter of
0.425-0.5mm, biomass charging rate is 1.5kg/h, and vapor is 3.42 with biomass ratio (S/B), adjusts biomass
Chemical chain gasification produces hydrogen-rich synthetic gas device internal solids fluidizing velocity, maintains solids fluidized speed to be 1.04kg/m2.s, by
Step is reached after steady running condition, opens the water circulation valve of waste heat recovery room 30, each several part velocity flow profile situation under working condition
As shown in table 3.Meanwhile, each several part average void fraction distribution such as table 4 is distributed.Increase with calcio carbon carrier cycle-index is set, its suction
Attached ability declines, now can be by CO at cyclone separator exhanst gas outlet 32 and gasification furnace exhanst gas outlet 362Concentration probe shows
The concentration value for showing, adjusts the charging rate of fresh calcio carbon carrier in calcining furnace, while calcining furnace bulky grain thing passage 44 is opened,
Large particulate matter after agglomeration is entered into lower section air compartment cinder notch, by the second lime-ash spiral discharge device 17 second is discharged to
Lime-ash storage room 16, finally falls on lime-ash conveyer belt 14 and sends.Finally hydrogen content is up to 80- in achievable synthesis gas
90%, tar content is less than 2.48g/m3, while improving carbon carrier cycle life 5-10%.
The pore-size distribution of each several part micropore ceramics disk of table 1
Each several part profiling temperatures under the working condition of table 2
Each several part velocity flow profile situation under the working condition of table 3
Each several part average void fraction distribution situation under the working condition of table 4
| Title | Gasification furnace | Lower material returning valve | Calcining furnace | Upper material returning valve |
| Voidage | 0.82 | 0.85 | 0.61 | 0.80 |
Claims (10)
1. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier, it is characterised in that including gasification of biomass
Stove (2), calcio carbon carrier calcining furnace (49), cyclone separator (33), top material returning valve (34) and bottom material returning valve (41)；Its
In,
Biomass gasifying furnace (2) is divided into from top to bottom dilute-phase zone (1), emulsion zone (3) and the first air compartment (8), emulsion zone (3)
The biomass screw charging aperture that middle part outside is provided with biomass screw feed arrangement (5) and is arranged in emulsion zone (3)
(6)；It is provided between emulsion zone (3) and the first air compartment (8) in the first micropore ceramics disk (7), the first air compartment (8) and is provided with
Biomass gasifying furnace air compartment (11), at the top of the biomass gasifying furnace air compartment (11) the first wind cap (9), the first cloth are provided with
The bottom of air compartment (8) is provided with the outlet of the first lime-ash；
Calcio carbon carrier calcining furnace (49) is divided into from top to bottom waste heat recovery room (30), calcining compartment (28), preheating chamber (25) and
Two air compartment (22), wherein, the middle part outside of calcining compartment (28) is provided with calcio carbon carrier screw feeding device (26) and sets
The calcio carbon carrier screw feed en-trance in calcining compartment (28) is put, preheating chamber (25) is with the second air compartment (22) by throat region
It is connected, the throat region has calcining furnace bulky grain thing passage (44) and the second micropore ceramics disk (23), the second air compartment (22)
Inside it is provided with air plenum (18), air plenum (18) and is provided with vapor air compartment (19), and air plenum (18) and water steam
The second wind cap (21) is provided with the top of gas air compartment (19), the bottom of the second air compartment (22) is provided with air compartment bottom and goes out
Cinder notch entrance (45)；
The waste heat recovery room (30) of calcio carbon carrier calcining furnace (49) is connected with the top of cyclone separator (33), cyclonic separation
Cyclone separator exhanst gas outlet (32) is additionally provided with the top of device (33), bottom is by top material returning valve (34) and gasification of biomass
The dilute-phase zone (1) of stove (2) is connected, and the dilute-phase zone (1) of biomass gasifying furnace (2) is additionally provided with gasification furnace exhanst gas outlet (36),
The emulsion zone (3) of biomass gasifying furnace (2) is by bottom material returning valve (41) and the preheating chamber of calcio carbon carrier calcining furnace (49)
(25) it is connected.
2. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier according to claim 1, its feature
It is that cyclone separator exhanst gas outlet (32) place is provided with a CO2Concentration probe (31), gasification furnace exhanst gas outlet (36) place sets
It is equipped with the 2nd CO2Concentration probe (35), by a CO2Concentration probe (31) and the 2nd CO2Concentration probe (35) jointly monitoring and
The load carbon ability of calcio carbon carrier in control system.
3. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier according to claim 1, its feature
It is that, also including water vapor generation device (43), the vapor outlet port of water vapor generation device (43) is respectively connecting to biogas
Change stove air compartment (11) and vapor air compartment (19).
4. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier according to claim 1, its feature
It is to be provided with top material returning valve (34) in the 3rd micropore ceramics disk (39), bottom material returning valve (41) and be provided with the 4th micropore ceramics
Disk (42).
5. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier according to claim 1, its feature
It is to be provided with coil pipe (52) in the waste heat recovery room (30) of calcio carbon carrier calcining furnace (49), the coil pipe (52) is by waste heat
Reclaim steam pipe (29) to be communicated in vapor air compartment (19).
6. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier according to claim 1, its feature
It is that biomass hopper (4), calcio carbon carrier screw feeding device are provided with the top of biomass screw feed arrangement (5)
(26) calcio carbon carrier hopper (27) is provided with the top of.
7. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier according to claim 1, its feature
It is that the first lime-ash exit of the first air compartment (8) bottom is provided with the first lime-ash spiral discharge device (12) and first grey
Slag storage room (13)；First air compartment (8) and the second air compartment (22) bottom are respectively arranged with the second lime-ash spiral discharge device
And the second lime-ash storage room (16), and the bottom of the bottom of the first lime-ash storage room (13) and the second lime-ash storage room (16) (17)
Shared same lime-ash conveyer belt (14).
8. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier according to claim 1, its feature
It is that the bottom of top material returning valve (34) is provided with a 3rd micropore ceramics disk (39) and upper material returning valve gas inlet valves
(51), the bottom of bottom material returning valve (41) is provided with a 4th micropore ceramics disk (42) and lower material returning valve gas inlet valves
(51), wherein, upper material returning valve gas access (50) and lower material returning valve gas access (51) are used to be passed through fluidizing gas (15).
9. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier according to claim 1, its feature
It is that the first air compartment (8) periphery is provided with the first firing equipment (10), the second air compartment (22) periphery is provided with the second firing equipment
(20), preheating chamber (25) periphery is provided with the 3rd firing equipment (24), waste heat recovery room (30) periphery and is provided with the 4th firing equipment
(37), calcining compartment (28) periphery is provided with the 5th firing equipment (38), air plenum (18) periphery and is provided with the 6th firing equipment (46)
And vapor air compartment (19) periphery is provided with the 7th firing equipment (48).
10. a kind of biomass chemical chain gasification device for producing hydrogen based on calcio carbon carrier any one of claim 1 to 9
Using method, it is characterised in that comprise the following steps：
First, preheat, the ambient temperature for making biomass gasifying furnace (2) and calcio carbon carrier calcining furnace (49) reaches default work temperature
Degree；When running temperature reaches default operating temperature, it is ensured that biomass gasifying furnace (2), calcio carbon carrier calcining furnace (49) work
Pressure is after pressure-fired, to open the first air compartment (8), the second air compartment (22) and top material returning valve gas (50) entrance, bottom
Material returning valve gas (51) inlet valve, simultaneously closes off calcio carbon carrier calcining furnace (49) calcining furnace bulky grain thing passage (44) and remaining
Heat recovery chamber (30) water circulation valve, treats that the air in biomass gasifying furnace (2) and calcio carbon carrier calcining furnace (59) is replaced
Cheng Hou, by calcio carbon carrier screw feed en-trance (40) of calcio carbon carrier calcining furnace (49) calcio carbon carrier is added, then toward biology
Matter screw feed en-trance (6) adds biological particles, and according to field demand vapor and biomass ratio, solids fluidized speed are adjusted,
After solids fluidized speed remains stable, waste heat recovery room (30) water circulation valve is opened；With calcio carbon carrier cycle-index
Increase, it carries carbon ability and declines, now surveyed by cyclone separator exhanst gas outlet (32) and gasification furnace exhanst gas outlet (36) place
CO2Concentration value, adjusts the charging rate of fresh calcio carbon carrier in calcining furnace, while opening calcining furnace bulky grain thing passage
(44), the large particulate matter after agglomeration is entered into lower section air compartment cinder notch to discharge.
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