CN205687869U - A kind of preparation system of high carbonomonoxide concentration gasification gas - Google Patents
A kind of preparation system of high carbonomonoxide concentration gasification gas Download PDFInfo
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- CN205687869U CN205687869U CN201620571710.4U CN201620571710U CN205687869U CN 205687869 U CN205687869 U CN 205687869U CN 201620571710 U CN201620571710 U CN 201620571710U CN 205687869 U CN205687869 U CN 205687869U
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- gasification
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- gas
- pyrolysis
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
This utility model relates to the preparation system of a kind of high carbonomonoxide concentration gasification gas, belongs to bioenergy technical equipment field.Preparation system mainly includes that the gentle gasifying reforming furnace in combustion furnace, pyrolysis gasification furnace, combustion furnace, the gentle gasifying reforming furnace of pyrolysis gasification furnace are respectively provided with charging aperture, discharging opening and gas outlet；The gas outlet of described combustion furnace is connected with the air inlet of pyrolysis gasification furnace；The air inlet of the gas outlet gasification reformer of pyrolysis gasification furnace is connected；The discharging opening of described combustion furnace is connected with the charging aperture of pyrolysis gasification furnace；The discharging opening of pyrolysis gasification furnace is connected with the charging aperture of gasification reformer；Wherein, the flue gas after burning in combustion furnace sequentially passes through after the gentle gasifying reforming furnace of pyrolysis gasification furnace processes becomes gasification gas.Whole biomass pyrogenation gasification gas-making process is divided into biomass combustion, pyrolytic gasification and gasification reformation three phases by this utility model, is carried out continuously respectively in three relatively independent spaces, greatly improves the content of combustible gas in gasification gas.
Description
Technical field
The present invention relates to bioenergy technical equipment field, specifically, relate to a kind of high carbonomonoxide concentration
The preparation system of gasification gas.
Background technology
China's biomass resource is the abundantest, such as agricultural crop straw, forestry branch, industry medicinal residues etc., in recent years for low
The concern of the energy trans-utilization of combustion value fuel is also increasing day by day.Along with mankind's reinforcement to environmental protection consciousness, closing
While note waste utilization, energy transformation technology in hgher efficiency, pollution is less and technique are the most progressively by commercial production
Used.
Traditional biomass gasified gas preparation method is by direct for biomass material and air, steam, carbon dioxide etc.
Gasifying medium generation chemical reaction, is changed into synthesis gas by solid-state biomass raw material through a series of thermochemical study processes.Giving birth to
In the conversion process of material, owing to being that directly biomass are carried out high-temperature gasification, do not incite somebody to action burning, pyrolytic gasification and gas reformation
Separately, the gas component produced is complicated for process, and while obtaining combustible gas components so that carbon residue and tar all become
Inevitably by-product.
Wherein, the carbon that carbon residue contains high heating value does not gasify, and result in system gasification efficiency low；Containing composition ten in tar
Divide complicated aromatic compound, exist in gaseous form during high temperature, but be to exist with the liquid form of thickness when low temperature, difficult
To remove.
Even if exerting to be purged, the most a part of flow rate can run off along with the tar removed, and causes system
Energy loss, seriously constrains the energy industrial utilization of biomass resource.
Therefore, how to improve the quality of biomass gasified gas, be those skilled in the art's problems of needing solution badly.
Summary of the invention
It is an object of the invention to as overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of high carbonomonoxide concentration gasification gas
Preparation system.The present invention is connected by multiple bodies of heater, it is achieved that the segment processing to biomass material, improves gasification of biomass
The quality of gas.
In order to reach above-mentioned purpose, the present invention adopts the following technical scheme that
A kind of preparation system of high carbonomonoxide concentration gasification gas, including combustion furnace, the gentle gasifying reforming furnace of pyrolysis gasification furnace,
Combustion furnace, the gentle gasifying reforming furnace of pyrolysis gasification furnace are respectively provided with charging aperture, discharging opening and gas outlet；
The gas outlet of described combustion furnace is connected with the air inlet of pyrolysis gasification furnace；
The air inlet of the gas outlet gasification reformer of pyrolysis gasification furnace is connected；
The discharging opening of described combustion furnace is connected with the charging aperture of pyrolysis gasification furnace；
The discharging opening of pyrolysis gasification furnace is connected with the charging aperture of gasification reformer；
Wherein, the flue gas after burning in combustion furnace sequentially passes through after the gentle gasifying reforming furnace of pyrolysis gasification furnace processes becomes gasification
Gas.
Preferably, above-mentioned high-concentration carbon monoxide gasification gas preparation system also includes soot blower；
The gas outlet of gasification reformer is connected with the air inlet of soot blower；
The ash hole of soot blower is connected with the charging aperture of gasification reformer.
Preferably, the discharging opening of described combustion furnace is connected by the first conveying mechanism with the charging aperture of pyrolysis gasification furnace；
First conveying mechanism is feeder or conveyer belt.
Preferably, the discharging opening of described pyrolysis gasification furnace is connected by second conveyor structure with the charging aperture of gasification reformer
Logical；Second conveyor structure is feeder or conveyer belt.
Thering is provided while said structure scheme, present invention also offers that a kind of to utilize above-mentioned preparation system to prepare high by one
The method of carbonoxide concentration gasification gas, step is as follows:
A, biomass fuel is sent into combustion furnace, and fill combustible gas to combustion furnace and make biomass fuel combustion output high temperature cigarette
Gas；
B, the high-temperature flue gas of step A output is entered pyrolysis gasification furnace, and by the lime-ash of output in step A and biomass fuel
Material is mixed into compound, then feeds the mixture into pyrolysis gasification furnace and carry out pyrolytic gasification, output pyrolysis gas activating QI and semicoke；
C, step B gained semicoke is sent into gasification reformer, and step B gained pyrolysis gas activating QI is mixed with overheated steam
Synthesizing gaseous mixture, gaseous mixture and semicoke carry out gas reformation reaction, output high-concentration carbon monoxide gasification gas.
In above-mentioned method, it is preferred that after step C output high carbonomonoxide concentration gasification gas, high carbon monoxide is dense
Degree gasification gas the most outwardly carries after soot blower ash disposal.
In above-mentioned method, it is preferred that the fly ash carry that soot blower produces participates in combustion gas weight again to gasification reformer
Whole reaction.
In above-mentioned method, it is preferred that step A is 3:7 with the mass ratio of the biomass fuel that step B puts into.
In above-mentioned method, it is preferred that combustion furnace operating temperature is 1000～1200 DEG C, pyrolysis gasification furnace operating temperature
Being 1000 DEG C, gasification reformer operating temperature is 800～1000 DEG C.
In above-mentioned method, it is preferred that the combustible gas described in step A is oxygen or oxygen-enriched air.
The invention has the beneficial effects as follows:
(1) whole biomass pyrogenation gasification gas-making process is divided into biomass combustion, pyrolytic gasification and gasification reform three
Stage.It is carried out continuously in three relatively independent spaces respectively, phase can be controlled by the regulation of single body of heater operational factor
Closing fully carrying out of elementary reaction, system is easily controllable.
(2) carry out different reactions by three bodies of heater that are relatively independent and that be interconnected again, will combustion gas may condense
The most fully converted with the carbon residue in semicoke for the macromolecular components of tar liquid, significantly controlled semicoke carbon residue and tar etc.
The generation amount of by-product, and biomass conversion ratio and the CO levels in gasification gas can be effectively improved.
(3) the gasification gas output capacity of biomass fuel obtains and significantly improves.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Wherein, 1, biomass fuel, 2, high-temperature flue gas, 3, biomass fuel, 4, lime-ash, 5, pyrolysis gas activating QI, 6, overheated
Water vapour, 7, semicoke, 8, containing ash gasification gas, 9, flying dust, 10, cleaning gasification gas, 11, combustion furnace, 12, pyrolysis gasification furnace, 13, gas
Gasifying reforming furnace, 14, soot blower.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment 1: the preparation system of a kind of high carbonomonoxide concentration gasification gas, its structure is as it is shown in figure 1, include combustion furnace
11, pyrolysis gasification furnace 12, gasification reformer 13 and soot blower 14.
Combustion furnace 11 has charging aperture, discharging opening and gas outlet；
Pyrolysis gasification furnace 12 has charging aperture, discharging opening and gas outlet；
Gasification reformer 13 has charging aperture, discharging opening and gas outlet；
Wherein, the gas outlet of described combustion furnace 11 is connected with the air inlet of pyrolysis gasification furnace 12；Pyrolysis gasification furnace 12
The air inlet of gas outlet gasification reformer 13 is connected；The gas outlet of gasification reformer 13 is connected with the air inlet of soot blower 14
Logical；The ash hole of soot blower 14 is connected with the charging aperture of gasification reformer 13.
From the point of view of being in convenient transmission material, the discharging opening of described combustion furnace 11 and the charging aperture of pyrolysis gasification furnace 12
It is connected by the first conveying mechanism；The discharging opening of pyrolysis gasification furnace 12 carries by second with the charging aperture of gasification reformer 13
Mechanism is connected.Two conveying mechanisms all may be selected to be carrier, conveyer belt or one, and for carrier, another is conveyer belt.
Embodiment 2: the preparation system described in a kind of Application Example 1 prepares the method for high carbonomonoxide concentration gasification gas,
Key step is as follows:
A, biomass fuel 1 is sent into combustion furnace 11, and the combustible gas being filled with abundance to combustion furnace 11 makes biomass fuel 1
Fully burning, output high-temperature flue gas 2；In high-temperature flue gas 2 after burning, oxygen volume content is about 10%；
B, the high-temperature flue gas of step A output is delivered to the bottom plenum of pyrolysis gasification furnace 12；There is provided for biomass fuel 3
Hot environment needed for pyrolytic gasification reaction；The lime-ash 4 become after again biomass fuel in step A 1 being burnt and biomass fuel
Material 3 is mixed into compound, then feeds the mixture into and form certain thickness material position layer in pyrolysis gasification furnace 12, finally in pyrolysis
By pyrolytic gasification under the fluidization of high-temperature flue gas 2 in gasification furnace 12, output pyrolysis gas activating QI 5 and semicoke 7；
C, step B gained semicoke 7 is sent into gasification reformer 13, and step B gained pyrolysis gas activating QI 5 is steamed with superheated water
Gas 6 is mixed into gaseous mixture, makes gaseous mixture and semicoke 7 carry out gas reformation reaction, and output is containing ash gasification gas 8 (i.e. high concentration one
Carbonoxide gasification gas).
In above-mentioned method, after step C output is containing ash gasification gas 8 (the highest carbonomonoxide concentration gasification gas), containing ash gas
Activating QI 8 the most outwardly carries after soot blower 14 ash disposal.The flying dust 9 that soot blower 14 produces is delivered to gasification reformer 13 joins again
React with gas reformation, until semicoke 7 exhausts substantially.
After ash disposal processes, the gasification gas 8 containing ash becomes cleaning gasification gas 10, carbon monoxide volume in cleaning gasification gas 10
Content is up to 30%～60%.
If it should be noted that when moisture content is higher in biomass fuel, can suitably reduce or stop gasification and reforming
The steam supply of stove.Biomass fuel 1 and biomass fuel 3 can be chosen as identical fuel.
In above-mentioned method, it is preferred that the biomass fuel 3 that the biomass fuel 1 that step A puts into puts into step B
Mass ratio be 3:6-8；Preferably 3:7.
In above-mentioned method, being preferably chosen as, combustion furnace 11 operating temperature is 1000～1200 DEG C, pyrolysis gasification furnace 12
Operating temperature is 1000 DEG C, and gasification reformer 13 operating temperature is 800～1000 DEG C.
In step, described combustible gas may be selected to be oxygen or oxygen-enriched air.
The operation principle of the present invention is:
First occur the biomass fuel of combustion oxidation reaction individually in burning by main in traditional biomass gasification reaction
Burn in stove 11, utilize the high-temperature flue gas 2 of burning output to carry out pyrolysis for lime-ash 4 and gasification reaction provides heat, simultaneously
Containing certain oxygen to meet the oxygen consumption needed for biomass fuel air gasification in high-temperature flue gas 2, to ensure whole reaction
Journey institute calorific requirement.
Semicoke 7 solid matter such as grade produced by pyrolysis gasification furnace 12 is all sent into the top of gasification reformer 13 and keeps one
Fixed material position, when the pyrolysis gas activating QI 5 of pyrolysis gasification furnace 12 output flows through more than half focus layer, pyrolysis gas activating QI 5 and superheated steam
6, the alkali metal in semicoke 7 and lime-ash 4 jointly acts on down and carries out a series of reformation, and the high-temperature water of coke (semicoke) mainly occurs
The reaction such as steam gasification, tar (catalysis) cracking generates the micro-molecular gas such as carbon monoxide, hydrogen, methane.Initially produced by burning
Raw carbon dioxide is also reduced by carbon in the hot environment of gasification reformer 13 or generates more with hydrogen generation catalytic reaction
Carbon monoxide, and then improve the content of biomass gasified gas carbonomonoxide concentration and combustible gas components.
Based on above-mentioned structure and method, the present invention make biomass fuel pass through burning, pyrolytic gasification anti-with reformation segmentation
The reducibility gas of high carbonomonoxide concentration content should be converted into, so former as the chemical industry such as raw material of synthetic gas or metal smelt
Material, it is possible to reduce the dependence to oil coal resources, for build a resource-conserving society and friendly environment society play actively
Effect.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (4)
1. a preparation system for high carbonomonoxide concentration gasification gas, including combustion furnace, the gentle gasifying reforming furnace of pyrolysis gasification furnace, combustion
Burn stove, the gentle gasifying reforming furnace of pyrolysis gasification furnace is respectively provided with charging aperture, discharging opening and gas outlet；It is characterized in that,
The gas outlet of described combustion furnace is connected with the air inlet of pyrolysis gasification furnace；
The air inlet of the gas outlet gasification reformer of pyrolysis gasification furnace is connected；
The discharging opening of described combustion furnace is connected with the charging aperture of pyrolysis gasification furnace；
The discharging opening of pyrolysis gasification furnace is connected with the charging aperture of gasification reformer；
Wherein, the flue gas after burning in combustion furnace sequentially passes through after the gentle gasifying reforming furnace of pyrolysis gasification furnace processes and makes carbon monoxide contain
Amount raising becomes gasification gas.
Preparation system the most according to claim 1, it is characterised in that the preparation of described high carbonomonoxide concentration gasification gas
System also includes soot blower；
The gas outlet of gasification reformer is connected with the air inlet of soot blower；
The ash hole of soot blower is connected with the charging aperture of gasification reformer.
Preparation system the most according to claim 1, it is characterised in that the discharging opening of described combustion furnace and pyrolysis gasification furnace
Charging aperture is connected by the first conveying mechanism；First conveying mechanism is feeder or conveyer belt.
Preparation system the most according to claim 1, it is characterised in that the discharging opening of described pyrolysis gasification furnace is reformed with gasification
The charging aperture of stove is connected by second conveyor structure；Second conveyor structure is feeder or conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620571710.4U CN205687869U (en) | 2016-06-14 | 2016-06-14 | A kind of preparation system of high carbonomonoxide concentration gasification gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620571710.4U CN205687869U (en) | 2016-06-14 | 2016-06-14 | A kind of preparation system of high carbonomonoxide concentration gasification gas |
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| CN205687869U true CN205687869U (en) | 2016-11-16 |
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| CN201620571710.4U Expired - Fee Related CN205687869U (en) | 2016-06-14 | 2016-06-14 | A kind of preparation system of high carbonomonoxide concentration gasification gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047413A (en) * | 2016-06-14 | 2016-10-26 | 山东大学 | System and method for preparing high carbonmonoxide concentration gasified gas |
| CN110358578A (en) * | 2019-06-28 | 2019-10-22 | 华中科技大学 | A kind of fire coal coupled biological matter power generating simultaneously charcoal system |
| CN114672325A (en) * | 2022-04-13 | 2022-06-28 | 山东四化环保节能工程有限公司 | Air inlet closed circuit system of dry quenching furnace |
-
2016
- 2016-06-14 CN CN201620571710.4U patent/CN205687869U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047413A (en) * | 2016-06-14 | 2016-10-26 | 山东大学 | System and method for preparing high carbonmonoxide concentration gasified gas |
| CN110358578A (en) * | 2019-06-28 | 2019-10-22 | 华中科技大学 | A kind of fire coal coupled biological matter power generating simultaneously charcoal system |
| CN114672325A (en) * | 2022-04-13 | 2022-06-28 | 山东四化环保节能工程有限公司 | Air inlet closed circuit system of dry quenching furnace |
| CN114672325B (en) * | 2022-04-13 | 2024-01-05 | 山东四化环保节能工程有限公司 | Air inlet closed system of dry quenching furnace |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20210614 |
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