CN106398768A - Device and method of preparing synthesis gas through chemical looping combustion - Google Patents

Device and method of preparing synthesis gas through chemical looping combustion Download PDF

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Publication number
CN106398768A
CN106398768A CN201610960209.1A CN201610960209A CN106398768A CN 106398768 A CN106398768 A CN 106398768A CN 201610960209 A CN201610960209 A CN 201610960209A CN 106398768 A CN106398768 A CN 106398768A
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carrier
oxygen
biomass
chemistry chains
burning chemistry
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CN106398768B (en
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胡建军
李冲
李盾
郭前辉
贺超
赵淑蘅
应纪来
杨云龙
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Henan Agricultural University
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Henan Agricultural University
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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
    • 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
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • 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
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/50—Fuel charging devices
    • 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
    • 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
    • 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
    • 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
    • C10J2300/0983—Additives
    • 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
    • C10J2300/12—Heating the gasifier
    • C10J2300/1223—Heating the gasifier by burners
    • 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
    • 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
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The invention discloses a device and a method of preparing synthesis gas through chemical looping combustion. The device comprises a chemical looping combustion chamber, a biomass pyrolysis chamber and an oxygen carrier regeneration device, a biomass oxygen carrier mixed material inlet is arranged in the top of the chemical looping combustion, a screen net which is placed obliquely is arranged on the lower portion in the chemical looping combustion and divides the same into an ash collection area and an oxygen carrier storage area, the ash collection area is provided with a first ash outlet, and the oxygen carrier storage area is connected with an oxygen carrier first backflow pipe; the upper portion of the biomass pyrolysis chamber is provided with a biomass inlet while the lower portion of the same is provided with a second gas outlet and a second ash outlet, and the oxygen carrier regeneration device comprises a cyclone separation and an oxygen carrier regeneration device coated with a heating device outside. By the device, extra processes for preparing CO2 and water vapor are omitted, and the characteristic that biomass chemical looping combustion generates a gas product and generates a lot of heat is utilized to realize full utilization of energy resources in the whole reaction.

Description

A kind of burning chemistry chains prepare the apparatus and method of synthesis gas
Technical field
The invention belongs to synthesis gas preparing technical field and in particular to a kind of burning chemistry chains prepare synthesis gas device and Method.
Background technology
Biomass energy, as the clean and reproducible energy of one kind, is that only alternative fossil energy changes into gas State, liquid and solid fuel and the carbon resource of other industrial chemicals or product.Biomass are H2O and CO2Make in solar energy With under product, it has cleaning, reproducible advantage, and CO in whole cyclic process2It is zero-emission.The whole nation About 700,000,000 tons of agricultural crop straw annual production, in addition to part is as paper making raw material and livestock feed, about 300,000,000 tons can use as fuel, Equivalent about 1.5 hundred million tons of standard coals.About 1.3 hundred million tons of other agricultural wastes.Prepare synthesis gas using biomass by certain means There is feasibility in theory.
Synthesis gas is to substitute the important source material that conventional petroleum synthesizes chemical products, has highly important in chemical industry Status.Increasingly depleted with fossil energy and the environmental problem being on the rise, using the preparation of biomass thermal chemical conversion technology Synthesis gas has important practical significance.Synthesis gas is with H2With CO for key component for chemosynthesis a kind of unstripped gas, It is to substitute the important source material that conventional petroleum synthesizes chemical products, it produces and applies has very importantly in chemical industry Position, can be used for petroleum chemical industry as intermediate or prepare various high-quality liquid fuels and chemicals, such as synthesis diformazan Ether, mixed alcohol, ammonia, degradable polymer etc., wherein preparing dimethyl ether by F- T synthesis is one of important approach.
Compare traditional gasification of biomass mode, CO2Gasifying medium research as gasification of biomass is less, at present mainly CO around coal2Gasification research.But this gasification mode has the not replaceable advantage of other modes, on the one hand this process is by CO2 Reacted with the C in biomass, the CO obtaining can be used as also base stock of Primordial Qi, energy gas and liquefaction process etc..Separately On the one hand, CO2It is the main impact gas of greenhouse effect, if this technology can be effectively utilized, can be by environment CO2It is used, thus reducing the CO in environment2Content.The CO of therefore biomass2Gasification technology has researching value.
Content of the invention
Present invention aim to overcome that prior art defect, provide the device that a kind of burning chemistry chains prepare synthesis gas and side Method, that eliminates extra CO2And the preparation process of vapor, using biomass burning chemistry chains produce gaseous product simultaneously Produce the feature of big calorimetric it is achieved that the energy of whole reaction makes full use of.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of burning chemistry chains prepare the device of synthesis gas, and it includes burning chemistry chains room, located at burning chemistry chains are outdoor and position Biomass pyrolytic room and carrier of oxygen regenerating unit in burning chemistry chains room top；Wherein, the top of described burning chemistry chains room Portion is provided with biomass carrier of oxygen compound import, and the indoor bottom of burning chemistry chains is provided with tilted-putted screen cloth, and screen cloth will be changed The bottom learning chain combustor is divided into collection gray area and carrier of oxygen storage area two parts, and collection gray area offers the first ash hole, and oxygen carries Body storage area is connected with the carrier of oxygen first return duct；The top of described biomass pyrolytic room offers biomass feed inlet, biological The bottom of matter pyrolysis chamber is provided with second gas outlet and the second ash hole；Described carrier of oxygen regenerating unit include cyclone separator and Outside is coated with the carrier of oxygen regenerating tube of heater, and Cyclone outlet is passed through the carrier of oxygen second return duct and fired with chemical chain Burn room top be connected, one end of carrier of oxygen regenerating tube is connected with cyclone inlet, carrier of oxygen regenerating tube another End is connected with the carrier of oxygen first return duct, and carrier of oxygen regenerating tube offers air intlet away from the end of cyclone separator； The top of described burning chemistry chains room is provided with first gas and exports and be connected with the top of biomass pyrolytic room by pipeline, position Outer wall in the indoor burning chemistry chains room part of biomass pyrolytic is provided with heater.
Specifically, some downward-sloping deflection plates, baffling are arranged uniformly at intervals at the top of described burning chemistry chains chamber interior walls Plate arranges multilamellar, and the end of upper strata deflection plate is located at the top in the middle part of lower floor's deflection plate.The effect of deflection plate is to slow down spontaneous The falling speed of the raw material that material carrier of oxygen compound import enters, extends raw material（Biomass and the carrier of oxygen）In burning chemistry chains The indoor response time, so as to fully react, is simultaneously also beneficial to the transmission of heat.
Further, the described carrier of oxygen first return duct and the junction of carrier of oxygen storage area are provided with to control both to connect Plate that is logical or closing.
Carry out the method that burning chemistry chains prepare synthesis gas using said apparatus, it comprises the steps：
1）The indoor temperature of burning chemistry chains is controlled at 800-900 DEG C by heater；Biomass starting material and the carrier of oxygen are mixed After conjunction, the compound import of the authigenic material carrier of oxygen enters burning chemistry chains interior, occurs burning chemistry chains anti-in dropping process Should, the little particle product after combustion reaction passes through screen cloth and falls in collection gray area, and the bulky grain product after combustion reaction is from screen cloth Landing enters in carrier of oxygen storage area；Meanwhile, the CO that combustion reaction produces2Gas is discharged and is led to from first gas outlet with vapor Cross pipeline and enter the biomass fermentation life pyrolytic reaction that biomass pyrolytic is indoor, enters with authigenic material charging aperture, pyrolytic reaction is produced Raw synthesis gas exports from second gas and discharges；
2）Temperature in carrier of oxygen regenerating tube is controlled at 850-950 DEG C by heater；Bulky grain in carrier of oxygen storage area Product escapes and enter in carrier of oxygen regenerating tube from the carrier of oxygen first return duct, one after mixing with the air entering from air intlet Rise and be delivered in cyclone separator, bulky grain product and air occur exothermic reaction during being delivered in cyclone separator Realize the regeneration of the carrier of oxygen；
3）The carrier of oxygen of regeneration passes through cyclone separator and the carrier of oxygen second return duct enters burning chemistry chains interior participation again Combustion reaction, realizes recycling.
Specifically, described biomass are agricultural crop straw（As wheat stalk, corn straw etc.）, the described carrier of oxygen is three oxygen Change two iron particles.
Two courses of reaction are mainly included in apparatus of the present invention：
1st, the burning chemistry chains process of biomass.Burning chemistry chains are a kind of new combustion systems, have efficient, interior separation CO2, low NOxThe features such as.Burning chemistry chains system includes burning chemistry chains room and the carrier of oxygen regenerating unit of two connections, solid Carrier of oxygen granule circulates between burning chemistry chains room and carrier of oxygen regenerating unit.Fuel is carried by oxygen after entering burning chemistry chains room The lattice oxygen oxidation of body granule, mainly generates CO after complete oxidation2With a small amount of vapor.Due to there is no the dilution of air, produce Thing purity is very high, will can get the higher CO of purity after water vapor condensation2, and extra energy need not be consumed and carry out separating, The CO of gained2Can be used for other purposes.Its reaction equation is：
The regenerative response formula of the carrier of oxygen is：
2nd, biomass and burning chemistry chains product CO2And H2O（Gas）Pyrolytic reaction process.Biomass are in burning chemistry chains Through burning chemistry chains in room, product gas（Mainly CO2With H2O）, the biomass pyrolytic outside combustion reactor can be passed directly to Room.When the carrier of oxygen regenerates in the carrier of oxygen regenerating unit liberated heat can for outside biomass pyrolytic indoor biological with CO2With H2The redox reaction that O occurs provides partial heat.Unnecessary CO2Can be used for directly sealing up for safekeeping of later stage.The master occurring Chemical reaction is wanted to have：
.
The innovative point of the present invention essentially consists in：1）The predominant gas product of biomass burning chemistry chains（CO2+H2O）Directly lead to The biomass pyrolytic entering outside is indoor, and the gas raw material as biomass pyrolytic is used for the gasification of biomass；2）Using biomass During burning chemistry chains, during carrier of oxygen regeneration, liberated heat is brought into burning chemistry chains interior by the carrier of oxygen, for outside biomass The indoor biomass gasification reaction of pyrolysis has filled into partial heat, and the carrier of oxygen simultaneously works as the effect of heat carrier it is achieved that chemistry The cascade utilization of energy, enables the system to source utilization rate and is improved significantly；3）Realize the regeneration of the carrier of oxygen and recycle, save Raw material；4）The design of burning chemistry chains interior deflection plate extend raw material in the burning chemistry chains indoor response time so as to Fully react, be simultaneously also beneficial to the transmission of heat.5）The design of screen cloth can be realized large and small after burning chemistry chains react The separation of granular product, consequently facilitating the regeneration of the oarse-grained carrier of oxygen and recycling.
Apparatus of the present invention structure is simple and convenient to operate it is achieved that the repetitive cycling of the raw material carrier of oxygen utilizes, and chemical chain The gaseous product that burning produces is used directly as the gas raw material of biomass pyrolytic, and preparation has synthesized synthesis gas.The present invention saves Remove extra CO2With H2O preparation process, the gaseous product being produced using biomass burning chemistry chains simultaneously produces the spy of big calorimetric Point is it is achieved that the energy of whole reaction makes full use of.
Brief description
Fig. 1 is the structural representation of the device that burning chemistry chains of the present invention prepare synthesis gas.
Specific embodiment
With reference to embodiments technical scheme is further discussed in detail, but protection scope of the present invention It is not limited thereto.
Embodiment 1
As shown in figure 1, a kind of burning chemistry chains prepare the device of synthesis gas, it includes burning chemistry chains room 7, located at chemical chain combustion Burn outside room 7 and be located at biomass pyrolytic room 8 and the carrier of oxygen regenerating unit on burning chemistry chains room 7 top；Wherein, describedization The top learning chain combustor 7 is provided with biomass carrier of oxygen compound import 15, and the bottom in burning chemistry chains room 7 is provided with inclination and puts The screen cloth 3 put, the side wall of burning chemistry chains room 7 is fixed in the upper end of screen cloth 3, and burning chemistry chains room 7 is fixed in the lower end of screen cloth 3 Bottom surface, the bottom of burning chemistry chains room 7 is divided into collection gray area 5 and carrier of oxygen storage area 2 two parts by screen cloth 3, and collection gray area 5 is opened It is provided with the first ash hole 4, carrier of oxygen storage area 2 is connected with the carrier of oxygen the first return duct 21；The top of described biomass pyrolytic room 8 Offer two biomass feed inlet（I.e. the first biomass feed inlet 9 and the second biomass feed inlet 16）, biomass pyrolytic room 8 Bottom be provided with second gas outlet 6 and second ash hole 22；Described carrier of oxygen regenerating unit includes cyclone separator 12 with outward Portion is coated with the carrier of oxygen regenerating tube 17 of first heater 14, and the carrier of oxygen the second return duct 10 is passed through in cyclone separator 12 outlet It is connected with the top of burning chemistry chains room 7, one end of carrier of oxygen regenerating tube 17 is connected with cyclone separator 12 import, oxygen carries The other end of body regenerating tube 17 is connected with the carrier of oxygen the first return duct 21, and carrier of oxygen regenerating tube 17 is away from cyclone separator 12 End offer air intlet 20；The top of described burning chemistry chains room 7 is provided with first gas and exports and pass through pipeline and life The top of material pyrolysis room 8 is connected（As, it is divided into three branch roads with the first gas pipeline that is directly connected to of outlet, therein two Individual branch road 11 is in parallel and is all connected with the top of biomass pyrolytic room 8, and that branch road 13 remaining is provided with valve and is used for receiving Collect unnecessary CO2Gas and vapor）, the outer wall of burning chemistry chains room 7 part in biomass pyrolytic room 8 is provided with Two heaters 19.Some downward-sloping deflection plates 18, baffling are arranged uniformly at intervals at the top of described burning chemistry chains room 7 inwall Plate 18 arranges 4 layers, and the end of upper strata deflection plate is located at the top in the middle part of lower floor's deflection plate.The described carrier of oxygen the first return duct 21 with The junction of carrier of oxygen storage area 2 is provided with to control the plate 1 of both connections or closure.
First heater 14, secondary heating mechanism 19 can be conventional electric heater unit, such as electric heating tube, electric furnace heating wire Deng as long as enabling the heating of 800-950 DEG C of scope, this knows general knowledge altogether for this area, so repeating no more.
Carry out the method that burning chemistry chains prepare synthesis gas using said apparatus, it comprises the steps：
1）Temperature in burning chemistry chains room 7 is controlled at 850 DEG C about by secondary heating mechanism 19；By biomass starting material（As Wheat stalk, corn straw etc., need to pulverize that to be beneficial to reactive combustion complete in advance）And the carrier of oxygen（Ferric oxide particle, granule Granularity is more than biological particles granularity）After mixing, authigenic material carrier of oxygen compound import 15 enters in burning chemistry chains room 7, There is burning chemistry chains reaction in dropping process.After biomass and carrier of oxygen combustion reaction are complete, remaining biomass ash with The carrier of oxygen continues to fall, when contacting with screen cloth 3, because the carrier of oxygen is different from the granularity of biomass ash, short grained biology Matter ash by screen cloth 3 and falls into 5 in collection gray area（Can be discharged by the first ash hole 4）, the larger carrier of oxygen of granularity is from screen cloth 3 Landing enters in carrier of oxygen storage area 2；
Meanwhile, the product CO that combustion reaction produces2Gas is discharged and is passed through two branch roads 11 from first gas outlet with vapor Enter and in biomass pyrolytic room 8, be used as gasifying agent（Unnecessary CO2Gas and vapor are collected through branch road 13, vapor After condensation separation, remaining CO2Compression is sealed up for safekeeping）, and enter from the first biomass feed inlet 9 and the second biomass feed inlet 16 Biomass fermentation gives birth to pyrolytic reaction, and the synthesis gas that pyrolytic reaction produces is from second gas outlet 6 discharge（Produce in biomass pyrolytic room 8 Raw solid sundries periodically can be discharged by the second ash hole 22）；
2）Temperature in carrier of oxygen regenerating tube 17 is controlled at 900 DEG C about by first heater 14；In carrier of oxygen storage area 2 The carrier of oxygen granule collected escapes and enter in carrier of oxygen regenerating tube 17 from the carrier of oxygen the first return duct 21, and from air intlet 20 It is delivered to together in cyclone separator 12, in the mistake being delivered in cyclone separator 12 after high temperature air mixing after the preheating entering In journey there is exothermic oxidation reaction in carrier of oxygen granule and air, and the Lattice Oxygen of the carrier of oxygen is supplemented, and realizes the regeneration of the carrier of oxygen, And by cyclone separator 12 realize air with regeneration the carrier of oxygen separate；
3）The carrier of oxygen of regeneration passes through cyclone separator 12 and the carrier of oxygen the second return duct 10 reenters in burning chemistry chains room 7 Participate in combustion reaction again, so realize recycling of the carrier of oxygen.Meanwhile, the carrier of oxygen and air occur exothermic oxidation reaction to put The heat going out is brought directly in burning chemistry chains room 7 by the carrier of oxygen, is that the gasification of biomass in outer layer biomass pyrolytic room 8 supplements Heat, the carrier of oxygen simultaneously works as the effect of heat carrier it is achieved that the cascade utilization of chemical energy, enables the system to source utilization rate and obtain To significantly improving.

Claims (5)

1. a kind of burning chemistry chains prepare the device of synthesis gas it is characterised in that including burning chemistry chains room, located at chemical chain combustion Burn biomass pyrolytic room that is outdoor and being located at burning chemistry chains room top and carrier of oxygen regenerating unit；Wherein, described chemical chain The top of combustor is provided with biomass carrier of oxygen compound import, and the indoor bottom of burning chemistry chains is provided with tilted-putted sieve Net, the bottom of burning chemistry chains room is divided into collection gray area and carrier of oxygen storage area two parts by screen cloth, and collection gray area offers first Ash hole, carrier of oxygen storage area is connected with the carrier of oxygen first return duct；The top of described biomass pyrolytic room offers biomass Charging aperture, the bottom of biomass pyrolytic room is provided with second gas outlet and the second ash hole；Described carrier of oxygen regenerating unit includes Cyclone separator and the outside carrier of oxygen regenerating tube being coated with heater, Cyclone outlet is flowed back by the carrier of oxygen second Pipe is connected with the top of burning chemistry chains room, and one end of carrier of oxygen regenerating tube is connected with cyclone inlet, the carrier of oxygen The other end of regenerating tube is connected with the carrier of oxygen first return duct, and carrier of oxygen regenerating tube opens up away from the end of cyclone separator There is air intlet；The top of described burning chemistry chains room is provided with the top that first gas export and pass through pipeline and biomass pyrolytic room Portion is connected, and the outer wall positioned at the indoor burning chemistry chains room part of biomass pyrolytic is provided with heater.
2. burning chemistry chains as claimed in claim 1 prepare the device of synthesis gas it is characterised in that described burning chemistry chains room Some downward-sloping deflection plates are arranged uniformly at intervals at the top of inwall, and deflection plate arranges multilamellar, and the end of upper strata deflection plate is located at Top in the middle part of lower floor's deflection plate.
3. burning chemistry chains as claimed in claim 1 prepare the device of synthesis gas it is characterised in that the described carrier of oxygen first time Flow tube and the junction of carrier of oxygen storage area are provided with the plate controlling both to connect or closing.
4. usage right require 1 to 3 arbitrary described device carry out burning chemistry chains prepare synthesis gas method it is characterised in that Comprise the steps：
1）The indoor temperature of burning chemistry chains is controlled at 800-900 DEG C by heater；Biomass starting material and the carrier of oxygen are mixed After conjunction, the compound import of the authigenic material carrier of oxygen enters burning chemistry chains interior, occurs burning chemistry chains anti-in dropping process Should, the little particle product after combustion reaction passes through screen cloth and falls in collection gray area, and the bulky grain product after combustion reaction is from screen cloth Landing enters in carrier of oxygen storage area；Meanwhile, the CO that combustion reaction produces2Gas is discharged and is led to from first gas outlet with vapor Cross pipeline and enter the biomass fermentation life pyrolytic reaction that biomass pyrolytic is indoor, enters with authigenic material charging aperture, pyrolytic reaction is produced Raw synthesis gas exports from second gas and discharges；
2）Temperature in carrier of oxygen regenerating tube is controlled at 850-950 DEG C by heater；Bulky grain in carrier of oxygen storage area Product escapes and enter in carrier of oxygen regenerating tube from the carrier of oxygen first return duct, one after mixing with the air entering from air intlet Rise and be delivered in cyclone separator, bulky grain product and air occur exothermic reaction during being delivered in cyclone separator Realize the regeneration of the carrier of oxygen；
3）The carrier of oxygen of regeneration passes through cyclone separator and the carrier of oxygen second return duct enters burning chemistry chains interior participation again Combustion reaction, realizes recycling.
5. carry out burning chemistry chains as claimed in claim 4 and prepare the method for synthesis gas it is characterised in that described biomass are agriculture Crop material, the described carrier of oxygen is ferric oxide particle.
CN201610960209.1A 2016-11-04 2016-11-04 Device and method for preparing synthesis gas by chemical looping combustion Active CN106398768B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108753365A (en) * 2018-05-28 2018-11-06 河南农业大学 A kind of reverse-flow type catalytic reforming prepares synthesis device of air and technique
CN109181779A (en) * 2018-09-14 2019-01-11 东南大学 A kind of chemical chain oil gas coproduction collaboration carbon dioxide reduction method
CN110643382A (en) * 2019-10-28 2020-01-03 华南理工大学 Biomass oil-gas co-production device and method based on chemical chain

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