CN209243005U - A kind of biomass chemical chain gasification reforms the device of step producing synthesis gas and hydrogen-rich gas - Google Patents
A kind of biomass chemical chain gasification reforms the device of step producing synthesis gas and hydrogen-rich gas Download PDFInfo
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- CN209243005U CN209243005U CN201821824823.6U CN201821824823U CN209243005U CN 209243005 U CN209243005 U CN 209243005U CN 201821824823 U CN201821824823 U CN 201821824823U CN 209243005 U CN209243005 U CN 209243005U
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Abstract
The device of a kind of reformation of biomass chemical chain gasification step producing synthesis gas and hydrogen-rich gas is disclosed, which includes continuous chemical chain gasification system, synthesis gas cyclone separator, chemical chain steam reforming system, hydrogen rich gas cyclone separator, air reaction system and the flue gas cyclone separator for being sequentially connected and being formed circulation.Continuous chemical chain gasification system is connected with synthesis gas cyclone separator bidirectional circulating；Synthesis gas cyclone separator and the unidirectional dual link of chemical chain steam reforming system.The device price is low, practical, and used method is simple, and meets environmental requirement, can be widely used in the agriculture and forestry organic waste materials heat chemistry energy conversion technique such as biomass continuous gasification, rural area distributed energy, application prospect is wider.It can be realized the purpose of step producing synthesis gas and the dual product of hydrogen-rich gas.Belong to chemical chain gasification reforming technique field.
Description
Technical field
The utility model relates to chemical chain gasification reforming technique field, specifically a kind of biomass chemical chain gasification weight
The device of whole step producing synthesis gas and hydrogen-rich gas.
Background technique
Chemical chain gasification technology is mainly the medium for passing through the Lattice Oxygen in the carrier of oxygen and replacing traditional gasification reaction, to fuel
Oxygen element required for gasification reaction is provided, and passes through the ratio of control lattice oxygen and fuel, so that after solid fuel gasification
To with H2It is the synthesis gas of main constituents with CO.The advantages of technology essentially consists in: 1) carrier of oxygen circulation oxygen supply can save
The preparation of pure oxygen；2) preparation cost of synthesis gas is reduced；3) gasification reaction can be made to continue to carry out without external heat；4) gasification effect
Rate is high；5) domestic gas can be supplied, the ideal ratio of chemical products synthesis can also be reached by regulating and controlling operating condition.Therefore, biomass
The grade of the energy can be promoted through chemical chain gasification, application value is obvious.
It is synthesis gas that individual biomass chemical chain gasification, which reacts gaseous product obtained, need at this time to the carrier of oxygen into
Row oxidation regeneration can just continue subsequent circular response, however during the two the carrier of oxygen Lattice Oxygen and oxidation
Reducing power fails effectively to be able to cascade utilization, and then influences its utilization efficiency.Since state and society is increasingly paid attention to
Energy-saving and emission-reduction, enterprise reduce the energy consumption levels of respective technology as far as possible, can not only reduce production cost, but also can meet and ring
The policy of national energy conservation and emission reduction is answered, and the energy in chemical chain gasification technology in the oxidation-reduction process of the carrier of oxygen fails at this stage
Cascade utilization.
Utility model content
For the technical problems in the prior art, the purpose of this utility model is: providing a kind of biomass chemical chain
The device of step producing synthesis gas and hydrogen-rich gas is reformed in gasification, which can be realized step producing synthesis gas and hydrogen-rich gas
The purpose of dual product, while realizing recycling for substance.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of biomass chemical chain gasification reforms the device of step producing synthesis gas and hydrogen-rich gas, including sequentially connected
Continuous chemical chain gasification system, synthesis gas cyclone separator, chemical chain steam reforming system, hydrogen rich gas cyclone separator, air
Reaction system and flue gas cyclone separator, flue gas cyclone separator are connect with continuous chemical chain gasification system, and synthesis is produced in formation
The circulating system of gas and hydrogen-rich gas.
Preferably, continuous chemical chain gasification system is connected with synthesis gas cyclone separator bidirectional circulating；Synthesize cyclonic wind point
From device and the unidirectional dual link of chemical chain steam reforming system.
It preferably, further include drying system for dried material, flue gas cyclone separator is connect with drying system；Continuously
Chemical chain gasification system is shaftless screw reactor, including feed inlet, carrier channel, synthesis gas entrance and discharge port, dry system
System is connect with feed inlet, and flue gas cyclone separator is connect with carrier channel, the gas of synthesis gas entrance and synthesis gas cyclone separator
Body outlet connection, discharge port are connect with the feed inlet of synthesis gas cyclone separator；Chemical chain steam reforming system is that fluidized bed is anti-
Answer device.
It preferably, further include temperature sensor, synthesis gas detector, burner and burner control, temperature sensor
Divide equally with burner and be laid in continuous chemical chain gasification system and chemical chain steam reforming system, synthesis gas detector, which is set to, to be closed
At the gas outlet of cyclonic wind separator, burner control respectively with temperature sensor, synthesis gas detector and burner
Electrical connection.
Preferably, after the gas vent of synthesis gas cyclone separator be equipped with three Lu Tonglu, three road accesses respectively with synthesis gas
Air accumulator, continuous chemical chain gasification system, the connection of chemical chain steam reforming system；Synthesis gas be continuous chemical chain gasification system,
Burner in chemical chain steam reforming system provides fuel；The gas outlet of hydrogen rich gas cyclone separator and hydrogen-rich gas air accumulator
Connection.
A kind of method that biomass chemical chain gasification reforms step producing synthesis gas and hydrogen-rich gas, which comprises
By after drying system is dry biomass and already oxidised, high temperature the carrier of oxygen be respectively fed to continuous chemical chain gasification system simultaneously
It is uniformly mixed, in continuous chemical chain gasification system, the carrier of oxygen of high temperature reacts the volatilization of generation after contacting with biomass
Object and the carrier of oxygen occur secondary response and form synthesis gas；After the reaction of continuous chemical chain gasification, the carrier of oxygen being reduced and life
The residue of substance enters synthesis gas cyclone separator and carries out gas, the isolated synthesis gas of solid, and solid is discharged into chemical chain steam
Reforming system；The lower part of chemical chain steam reforming system is passed through vapor and inert gas, and inert gas makes material keep fluidisation
With the carrier of oxygen being reduced reforming reaction occurs for state, vapor；After chemical chain steam reforming reaction, the oxygen of partial oxidation
Carrier and the residue of biomass enter hydrogen rich gas cyclone separator and carry out gas, the isolated hydrogen-rich gas of solid, and solid is discharged into
Air reaction system；The lower part of air reaction system is passed through air, while the carrier of oxygen of air and partial oxidation reacts
Material is set to keep fluidized state；The carrier of oxygen and biomass residue after air reaction system complete oxidation enter flue gas whirlwind point
Gas, the isolated flue gas of solid are carried out from device, solid is sent into continuous chemical chain gasification system, completes biomass chemical chain gasification
Reform the one cycle of step producing synthesis gas and hydrogen-rich gas；The above-mentioned circulation of continuous service, with producing synthesis gas and hydrogen rich gas
Body.
Preferably, material is 15-20min in the reaction time range of continuous chemical chain gasification system.
Preferably, the synthesis gas that synthesis gas cyclone separator obtains by gas vent discharge tri- tunnel Bing Fen conveying, all the way for
Burner in continuous chemical chain gasification system provides fuel, provides combustion all the way for the burner in chemical chain steam reforming system
Material, another way enter synthesis gas air accumulator as product.
Preferably, the hydrogen-rich gas that hydrogen rich gas cyclone separator obtains send to hydrogen-rich gas air accumulator after purified and is used as
Product；The flue gas that flue gas cyclone separator obtains provides dry and heating air energy for drying system.
Preferably, it in cyclic process, if the concentration value of hydrogen reduces by 5% in hydrogen-rich gas, then needs to serialization
The fresh carrier of oxygen of feeding 10% in chain gasification system is learned, and takes out 10% from the solid after flue gas cyclone separator separation
The carrier of oxygen activate in case reusing.
Generally speaking, the utility model has the advantages that
1. by substantially effectively utilizing the Lattice Oxygen and redox ability of the carrier of oxygen in chemical chain gasification reaction, step
The heat of producing synthesis gas and the dual product of hydrogen-rich gas, system itself is supplied by the partially synthetic air lift produced certainly, partial heat
It is provided by the high temperature carrier of oxygen of carrying heat, to form autothermal operation system, is not necessarily to external heat source, it is energy saving.
2. the ratio of hydrogen and carbon monoxide can be supplied by adjusting material transmission power and the carrier of oxygen in synthesis gas
Flow controls, and has simplified the system for adjusting synthesis gas ratio；In combustion control system, by increasing by natural gas supply
Small fire Chang Minghuo ignites and guarantees that synthesizing gas flame does not go out, while making auxiliary combustion by natural gas, ensure that combustion completion；Air
The amount of heat of reaction system release provides water by hot water heat exchanger, vapor heat exchanger and air heat exchanger for system and steams
The heat of air and heat air and drier realizes the cascade utilization of the agriculture and forestry organic waste material energy；
3. present apparatus price is low, practical, used method is simple, and meets environmental requirement, can be widely
It is used in the agriculture and forestry organic waste materials heat chemistry energy conversion technique such as biomass continuous gasification, rural area distributed energy, application prospect
It is relatively wide.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device of the utility model.
Fig. 2 is the process flow chart of the method for the utility model.
Label and corresponding parts title in figure are as follows: 1 is drying system, and 2 be motor, and 3 be continuous chemical chain gasification
System, 4 be synthesis gas cyclone separator, and 5 be chemical chain steam reforming system, and 6 be hydrogen rich gas cyclone separator, and 7 is anti-for air
System is answered, 8 be flue gas cyclone separator.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in more detail, but the reality of the utility model
It is without being limited thereto to apply mode.
A kind of biomass chemical chain gasification reforms the device of step producing synthesis gas and hydrogen-rich gas, including motor and successively
Drying system, continuous chemical chain gasification system, the synthesis gas cyclone separator, chemical chain steam reforming system, hydrogen rich gas of connection
Cyclone separator, air reaction system, flue gas cyclone separator.Continuous chemical chain gasification system and synthesis gas cyclone separator are double
To being connected by circulation, synthesis gas cyclone separator and the unidirectional dual link of chemical chain steam reforming system, flue gas cyclone separator are distinguished
It connect to form circulation with continuous chemical chain gasification system and drying system.
The device further include: further include temperature sensor, synthesis gas detector, burner, burner control, temperature passes
Sensor and burner, which are divided equally, to be laid in continuous chemical chain gasification system and chemical chain steam reforming system, and synthesis gas detector is set
At the gas vent 0.5m of synthesis gas cyclone separator, burner control respectively with temperature sensor, synthesis gas detector
It is electrically connected with burner.The synthesis gas that synthesis gas cyclone separator is isolated is delivered to continuous chemical chain gasification as fuel respectively
In burner in system and chemical chain steam reforming system.Burner is ignited and is guaranteed by the small fire Chang Minghuo of natural gas supply
Flame does not go out, while making auxiliary combustion by natural gas.The fuel duty of each system by each system temperature and synthesize
The ingredient of gas determines.
The speed of motor is determined by the carrier of oxygen supply and temperature of continuous chemical chain gasification system, while needing to guarantee object
Material reaches 15-20min in the reaction time of continuous chemical chain gasification system, and heat is provided by burner combustion synthesis gas.
Continuous chemical chain gasification system is shaftless screw reactor, including connect with drying system feed inlet, for defeated
Enter the carrier channel of the carrier of oxygen and the discharge port of discharge gas, solid product, the entrance of discharge port and synthesis gas cyclone separator
Connection.The carrier of oxygen that flue gas cyclone separator is isolated is discharged into shaftless screw reactor by carrier channel.Biology after drying
Matter enters shaftless screw reactor by feed inlet, and the carrier of chemical chain gasification --- the carrier of oxygen enters reactor by carrier channel,
The power for the motor that biomass and the ratio of the carrier of oxygen are conveyed by carrier of oxygen supply and control material determines.
Chemical chain steam reforming system is fluidized-bed reactor, and the bottom of chemical chain steam reforming system is passed through N2It is steamed with water
Gas, N2It is determined with the flow of vapor by the revolving speed of carrier of oxygen supply, the concentration of hydrogen-rich gas and motor, while guaranteeing to flow
Change the fluidized state of material in bed.The main load reformed is provided by the carrier of oxygen that restored of synthesis gas cyclone separator lower part outlet
Body, vapor and N2Etc. inert gas be discharged by bottom, the flow of vapor by carrier of oxygen supply, the concentration of hydrogen-rich gas with
And the revolving speed of motor determines, the heat of the system is provided by burner combustion synthesis gas.
Synthesis gas cyclone separator top is syngas outlet, and continuous chemical chain is given on three tunnels of synthesis gas point of discharge all the way
Burner in gasification system provides fuel, provides fuel to the burner in chemical chain steam reforming system all the way, another way into
Enter synthesis gas air accumulator as product.Lower part is solid product outlet, is connected with chemical chain steam reforming system.
Hydrogen rich gas cyclone separator top is hydrogen-rich gas outlet, enters hydrogen rich gas air accumulator after hydrogen rich gas discharge is purified
Product is provided for client, lower part is solid product outlet, is connected with air reaction system.
Air reaction system is fluidized-bed reactor, provides main carry by the carrier of oxygen that hydrogen rich gas cyclone separator is discharged
Body, the bottom of air reaction system are passed through air, the flow of air by the carrier of oxygen supply and motor velocity feedback into
Row adjusts and guarantees the fluidized state of material in fluidized bed.The flow of air is true by the supply of the carrier of oxygen and the revolving speed of motor
It is fixed；The heat that the system generates is allowed to form vapor for providing the heat of water.
Flue gas cyclone separator top is exhanst gas outlet, for providing dry energy, and heating sky for drying system
Gas；Lower part is solid product outlet, is connected with continuous chemical chain gasification system.
The method of biomass chemical chain gasification reformation step producing synthesis gas and hydrogen-rich gas, comprising the following steps:
Biomass enters continuous chemical chain gasification system by feed inlet after drying system is dry.
The carrier of oxygen after already oxidised enters continuous chemical chain gasification system by carrier channel, and mixes with biomass, passes through
Regulate and control the revolving speed of motor, drives shaftless screw reactor continuously to stir, be uniformly mixed biomass with the carrier of oxygen, while high temperature
The carrier of oxygen react after being contacted with biomass generation volatile matter again with the carrier of oxygen of continuous chemical chain gasification internal system send out
Raw secondary response forms synthesis gas, and needs to guarantee that material reaches 15- in the reaction time of continuous chemical chain gasification system
20min。
After chemical chain gasification reacts, the residue of the carrier of oxygen and biomass enters synthesis gas cyclone separator, synthesis gas
It is discharged by the syngas outlet on top, by regulating and controlling the flow of synthesis gas, all the way to the burning in continuous chemical chain gasification system
Device provides fuel, provides fuel to the burner in chemical chain steam reforming system all the way, and another way enters synthesis gas air accumulator
As product.Solid product escapes and enter chemical chain steam reforming system by the solid product outlet of lower part；Continuous chemical chain
Burner fuel supply in gasification system and chemical chain steam reforming system by respective system temperature and synthesis gas
Ingredient determines.
In chemical chain steam reforming system, lower part passes through N2Guarantee fluidized bed in material fluidized state, vapor by
Lower part is passed through and occurs with the carrier of oxygen being reduced reforming reaction, the hydrogen-rich gas outlet discharge hydrogen-rich of hydrogen rich gas cyclone separator
Gas, send to hydrogen rich gas air accumulator after hydrogen-rich gas is purified and is used as product, and solid product exports row by the solid product of lower part
Out and enter air reaction system.N2Flow with vapor is by carrier of oxygen supply, the concentration of hydrogen-rich gas and motor
Revolving speed determines, while guaranteeing the fluidized state of material in fluidized bed.
In air reaction system, air is passed through by lower part and is reacted with the carrier of oxygen, and the product after reaction is discharged into flue gas
Cyclone separator.The flow of air is adjusted by the supply of the carrier of oxygen and the velocity feedback of motor and is guaranteed in fluidized bed
The fluidized state of material；The heat of air reaction system forms vapor for heating water, and is supplied to chemical chain steam reformation
System.
In flue gas cyclone separator, the already oxidised carrier of oxygen is exported by solid product and is discharged and is entered by carrier channel
Continuous chemical chain gasification system, while the carrier of oxygen of high temperature brings to continuous chemical chain gasification system heat for chemical chain gasification
Reaction；Flue gas is discharged by exhanst gas outlet, dry energy, and heating air is provided for drying system by heat exchanger, most
It is emptied after vent gas treatment afterwards.Meanwhile the supply of the carrier of oxygen is detected to feed back determining material transmission power, reach control life
The purpose of substance and carrier of oxygen mixed proportion so far completes biomass chemical chain gasification and reforms step producing synthesis gas and hydrogen rich gas
One circulation of body.
By constantly recycling, reach the target of continuous operation, while by the concentration value of hydrogen in detection hydrogen-rich gas,
If in hydrogen-rich gas hydrogen concentration value reduce by 5%, then need into continuous chemical chain gasification system be sent into 10% it is fresh
The carrier of oxygen, and the carrier of oxygen of taking-up 10% activate in case reusing from the solid after flue gas cyclone separator separation.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (5)
1. the device that a kind of biomass chemical chain gasification reforms step producing synthesis gas and hydrogen-rich gas, it is characterised in that: including
Sequentially connected continuous chemical chain gasification system, synthesis gas cyclone separator, chemical chain steam reforming system, hydrogen-rich cyclonic wind point
From device, air reaction system and flue gas cyclone separator, flue gas cyclone separator is connect with continuous chemical chain gasification system, is formed
The circulating system of producing synthesis gas and hydrogen-rich gas.
2. biomass chemical chain gasification described in accordance with the claim 1 reforms the device of step producing synthesis gas and hydrogen-rich gas,
It is characterized by: continuous chemical chain gasification system is connected with synthesis gas cyclone separator bidirectional circulating；Synthesis gas cyclone separator
With the unidirectional dual link of chemical chain steam reforming system.
3. biomass chemical chain gasification reforms the device of step producing synthesis gas and hydrogen-rich gas according to claim 2,
It is characterized by also including the drying system for dried material, flue gas cyclone separator is connect with drying system；Continuous chemical
Chain gasification system is shaftless screw reactor, including feed inlet, carrier channel, synthesis gas entrance and discharge port, drying system with
Feed inlet connection, flue gas cyclone separator are connect with carrier channel, and synthesis gas entrance and the gas of synthesis gas cyclone separator go out
Mouth connection, discharge port are connect with the feed inlet of synthesis gas cyclone separator；Chemical chain steam reforming system is fluidized-bed reactor.
4. biomass chemical chain gasification described in accordance with the claim 3 reforms the device of step producing synthesis gas and hydrogen-rich gas,
It is characterized by also including temperature sensor, synthesis gas detector, burner and burner control, temperature sensor and combustions
Burner, which is divided equally, to be laid in continuous chemical chain gasification system and chemical chain steam reforming system, and synthesis gas detector is set to synthesis gas
The gas outlet of cyclone separator, burner control are electrically connected with temperature sensor, synthesis gas detector and burner respectively
It connects.
5. biomass chemical chain gasification reforms the device of step producing synthesis gas and hydrogen-rich gas according to claim 4,
It is characterized by: after the gas vent of synthesis gas cyclone separator be equipped with three Lu Tonglu, three road accesses respectively with synthesis gas gas storage
Tank, continuous chemical chain gasification system, the connection of chemical chain steam reforming system；Synthesis gas is continuous chemical chain gasification system, chemistry
Burner in chain steam reforming system provides fuel；The gas outlet of hydrogen rich gas cyclone separator and hydrogen-rich gas air accumulator connect
It connects.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401789A (en) * | 2018-11-07 | 2019-03-01 | 华南农业大学 | A kind of biomass chemical chain gasification reforms the device and method of step producing synthesis gas and hydrogen-rich gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401789A (en) * | 2018-11-07 | 2019-03-01 | 华南农业大学 | A kind of biomass chemical chain gasification reforms the device and method of step producing synthesis gas and hydrogen-rich gas |
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