CN107880945A - A kind of biomass pyrolytic synthesis gas gas-liquid separating method - Google Patents
A kind of biomass pyrolytic synthesis gas gas-liquid separating method Download PDFInfo
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- CN107880945A CN107880945A CN201711130121.8A CN201711130121A CN107880945A CN 107880945 A CN107880945 A CN 107880945A CN 201711130121 A CN201711130121 A CN 201711130121A CN 107880945 A CN107880945 A CN 107880945A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/026—Dust removal by centrifugal forces
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
- C10K1/046—Reducing the tar content
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Abstract
The invention discloses a kind of biomass pyrolytic synthesis gas gas-liquid separating method, be included in expansion chamber further crack, in deduster dedusting, high temperature pyrolysis gas are carried out with preliminary cooling and further dedusting, condensation and biomass collection oil and the further step such as tar removing；Methods described equipment therefor includes：Expansion chamber, dirt pocket, cooler, tar separator, circulating water tower, tar remover.The present invention uses microwave radiation technology pyrolysis oven crack biomass cracking gas, remove part tar, then by obtained biomass cracking gases pass through cyclone dust collectors in dedusting, in tar separator gas-liquid separation, further adsorb and filter gas in tar remover, reach the purpose for efficiently separating and removing tar in gas, the pyrolysis gas dust and tar content solved in the prior art from pyrolysis oven out is more, cause pyrolysis gas of biomass quality not high, the problem of workload of follow-up dedusting tar removing is larger, larger to equipment corrosion injury.
Description
Technical field
The present invention relates to biomass pyrolytic synthesis gas technical field, especially a kind of biomass pyrolytic synthesis gas gas-liquid separation
Method.
Background technology
Biomass pyrolytic technology refers to that biomass carries out fast pyrogenation under conditions of not having oxygen or anoxic completely, finally
Generate the process of biomass carbon, condensable gases and non-condensable gas.Biomass carbon can be produced by certain means
Activated carbon, it can also burn, form biomass pyrolysis provides origin of heat, and bio-oil is just obtained after condensable gases are condensed,
Further optimization processing just can obtain the high-quality bio oil that can substitute fossil fuel to a certain extent later.Due to biology
Organic matter in solid waste can be converted into the depot energy based on fuel gas, fuel oil and carbon black by matter pyrolysis,
Capacity is few in decomposable process, is advantageous to mitigate secondary pollution to atmospheric environment, the harmful components such as sulphur, heavy metal in waste
Major part be fixed in carbon black, compared to routine fossil fuel, bio oil because of harmful components such as the sulphur contained by it, nitrogen extremely
It is small, it can be considered the green fuel of 21 century.
Biomass material is during Pintsch process except generating CO, CH4、H2Outside Deng fuel gas, other productions can be also produced
Thing, such as tar and ash content (dust, carbon granules, alkali metal).If it is too late that these mix dust in fuel gas, tar etc.
When thoroughly remove the quality that can not only reduce biological fuel gas, can also have a strong impact on the normal operation of equipment, reduce biomass
The efficiency of cracking.Because in high temperature, tar gas mixes with cracking gas, it is not easy to separated, it is therefore desirable to biology
Matter gas is cooled, separating tar and combustion gas.The device of existing separating tar gas has gas circulating cooling, for example, Application No.
201220322667.X Chinese utility model patent " cooling tower for being used for biomass gas purifier " discloses a kind of use
The device of natural gas cooling pyrolysis gas of biomass, but the pyrolysis gas from pyrolysis oven out is generally high-temperature gas, air
Cooling effect it is poor, the cooling of tar is not in place, and oil gas separation is bad.Further, since the temperature change of pyrolysis gas, makes
The pyrolysis gas and coke for obtaining fraction condensation adhere to, and form oily mater, being adhered on wall to remove.
Existing pyrolysis gas of biomass is also immature for the treatment technology of tar liquid in preparation process, by biomass
In cracking gas tar removing it is less efficient, because the presence of tar not only influences the quality of fuel gas, also cause in life
The machinery equipment used during production is by heavy corrosion.Therefore, the gas-liquid separation of pyrolysis gas is purified to whole pyrolysis system
Have very important significance, explore with research and development by the method and apparatus of objectionable impurities isolation of purified in biomass combustible gas into
Need the direction of effort badly now for us.
The content of the invention
In order to overcome pyrolysis gas dust and tar content in the prior art from pyrolysis oven out more, biomass is caused
The defects of the problems such as pyrolysis gas quality is not high, and the workload of follow-up dedusting tar removing is larger, the present invention use microwave radiation technology first
Pyrolysis oven crack biomass, install microwave generator additional in expansion chamber, further the pyrolysis gas from pyrolysis oven out is carried out
Cracking, cracking section tar；Then by obtained imflammable gas by cyclone dust collectors and filter by dust from air-flow
Separate, ash content and impurity in biomass cracking gases are removed, so as to complete the initial gross separation to oil gas；Finally will be treated
Imflammable gas by the further cooling of condenser, make high temperature tar gas-liquid chemical conversion liquid and reclaim the tar after cooling into
Point, efficient removal combustible gas tar in gas.
The technical solution adopted for the present invention to solve the technical problems is：A kind of biomass pyrolytic synthesis gas gas-liquid separation side
Method, it is included in the step of expansion chamber further cracks, is tentatively cooled in deduster the step of dedusting, to high temperature pyrolysis gas
And the step of step and tar removing of the step of further dedusting, condensation and biomass collection oil；The biomass pyrolytic synthesis
Gas gas-liquid separating method equipment therefor includes：Expansion chamber, dirt pocket, cooler, tar separator, circulating water tower, tar remover；
The expansion chamber is connected with dore furnace and dirt pocket by high-temperature resistant pipeline, and the dirt pocket passes through high-temperature resistant pipeline and cooler
It is connected, the cooler is connected by pipeline with tar separator, and the tar separator is connected by water pipe with circulating water tower,
Tar separator is connected with tar remover by pipeline.
A kind of above-mentioned biomass pyrolytic synthesis gas gas-liquid separating method, further cracking is auxiliary using microwave in expansion chamber
Help cracking, including anti-microwave leakage housing, high temperature resistance protective layer, gas flow sensor and microwave generator；The high temperature resistant
Protective layer using aluminum oxide or silicon nitride can electromagnetic wave transparent material, bear high temperature pyrolysis gas out in pyrolysis oven；The anti-microwave is let out
Leakage housing uses metal material.
A kind of above-mentioned biomass pyrolytic synthesis gas gas-liquid separating method, it is the step of expansion chamber further cracks：It is raw
Material pyrolysis gas enters expansion chamber from pyrolysis oven, and gas flow sensor senses that signal is passed to microwave by high temperature hot gas stream
Generator, microwave generator start and to indoor transmitting microwave, pyrolysis oil gas and uncracked solid dirt particle now
In the condition of high temperature, cracking can be further heated up under microwave action, and deduster is discharged into from gas outlet.
A kind of above-mentioned biomass pyrolytic synthesis gas gas-liquid separating method, the device of deduster dedusting include cyclone dust collectors
And Dust Storage Room；The cyclone dust collectors are provided with 3-6 platforms, and the Dust Storage Room is provided with double valves, anti-locking system leakage pressure, and Dust Storage Room is set
Position sensor, after the ash content in Dust Storage Room reaches the position of setting, position sensor is by controlling stirring for spiral soot blower
Mix ash exhauster and ash content is delivered into ash storage.
A kind of above-mentioned biomass pyrolytic synthesis gas gas-liquid separating method, the cooler carry out preliminary to high temperature pyrolysis gas
Cool and further dedusting, the cooler include atomizing humidifier and bottom filter layers, atomizing humidifier is to high temperature hot combustion gas
Tentatively cooled, bottom filter layers are to the further dedusting of gas.
A kind of above-mentioned biomass pyrolytic synthesis gas gas-liquid separating method, the bottom filter layers have 3-6 layers, are divided into drying
Part and filtration fraction, wherein, the superiors and orlop are drying nest, and centre is filtration fraction.
A kind of above-mentioned biomass pyrolytic synthesis gas gas-liquid separating method, the drying nest material therefor be montmorillonite or
Molecular sieve；Filtration fraction material therefor is aluminium oxide ceramic ball or sintered metal mesh.
A kind of above-mentioned biomass pyrolytic synthesis gas gas-liquid separating method, is condensed and biomass collection oil is in tar separator
Middle completion, tar separator include U-shaped circulating water pipe, circulating water tower and tar collecting chamber；The condensation and biomass collection oil
The step of be：Pyrolysis gas of biomass after preliminary cooling enters tar separator, circulating water tower pair from cooler by pipeline
Tar separator carries out water circulation cooling, then the tar liquefaction in tar gas enters tar collecting chamber under gravity, separates
Cooling gas afterwards enters in tar remover from the outlet conduit of tar separator.
A kind of above-mentioned biomass pyrolytic synthesis gas gas-liquid separating method, go a small amount of tar of tar removing final residual except
Completed in tar device, the tar remover is provided with filter layer, the tar for filtering and adsorbing remnants further to gas, the filtering
Layer has 2-6 layers, and material therefor is activated adoption carbon and montmorillonite drier.
A kind of above-mentioned biomass pyrolytic synthesis gas gas-liquid separating method, the expansion chamber, deduster, cooler, tar
Separator, pressure gauge is provided with tar remover device, adjusts internal pressure size；The expansion chamber, deduster, cooler,
Tar separator, the drive device of tar remover device is provided with frequency converter, energy-saving.
The invention has the advantages that the present invention provides a kind of biomass pyrolytic synthesis gas gas-liquid separating method, use is micro-
Ripple aids in pyrolysis oven crack biomass, installs microwave generator additional in expansion chamber, launches microwave to expansion chamber, further to from heat
Pyrolysis gas in solution stove out is cracked, so that biomass through pyrolysis is more thorough, is removed part tar, then will be obtained
Biomass cracking gases by cyclone dust collectors centrifuge, dust is separated from air-flow, remove biomass cracking gases in
Ash content and the larger particle of quality, enter in filter after processing still with the gas of fine particle ash content and impurity, pass through
Except deashing, decontamination of biological matter cracking gas also can effectively prevent gasification furnace gas outlet to be blocked for adsorption filtration layer by layer, finally except
Cooled down in tar device using water circulation, the further cooling by treated imflammable gas by condenser, after recovery cooling
Tar ingredients, reach the purpose of efficient removal combustible gas tar in gas, and the cooling water circulated can be used to cogeneration
Deng energy-conserving and environment-protective.The pyrolysis gas dust and tar content solved in the prior art from pyrolysis oven out is more, causes biology
The problem of matter pyrolysis gas quality is not high, and the workload of follow-up dedusting tar removing is larger, larger to equipment corrosion injury.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is present device schematic diagram；
Fig. 2 is schematic flow sheet of the present invention.
1. pyrolysis oven in figure, 2. expansion chambers, 3. dirt pockets, 4. coolers, 5. tar separators, 6. circulating water towers, 7. remove
Tar device.
Embodiment
Present invention is illustrated with reference to figure, but following examples are merely to illustrate the present invention, are not used to
Limit the scope of the present invention.
【Embodiment 1】
A kind of biomass pyrolytic synthesis gas gas-liquid separating method, including the step of the step of microwave cracking, dedusting, to high temperature
Pyrolysis gas carries out the step of tentatively cooling and further dedusting, the step of condensation and biomass collection oil and further tar removing
Step；Characterized in that, the biomass pyrolytic synthesis gas gas-liquid separating method equipment therefor includes：Expansion chamber 2, dirt pocket 3,
Cooler 4, tar separator 5, circulating water tower 6, tar remover 7；The expansion chamber 2 passes through resistance to height with dore furnace and dirt pocket 3
Warm pipeline connection, the dirt pocket 3 are connected by high-temperature resistant pipeline with cooler, and the cooler 4 passes through pipeline and tar point
Connected from device 5, the tar separator 5 is connected by water pipe with circulating water tower 6, and tar separator 5 passes through pipe with tar remover 7
Road is connected.
Further cracking is cracked using microwave radiation technology in expansion chamber 2, and expansion chamber 2 includes anti-microwave leakage housing, resistance to height
Warm protective layer, gas flow sensor and microwave generator.
The high temperature resistance protective layer using aluminum oxide can electromagnetic wave transparent material, bear in pyrolysis oven high temperature pyrolysis gas out；Institute
State anti-microwave leakage housing and use metal material.
It is the step of expansion chamber further cracks：Pyrolysis gas of biomass enters expansion chamber 2, gas stream from pyrolysis oven 1
Quantity sensor senses that signal is passed to microwave generator by high temperature hot gas stream, and microwave generator startup is simultaneously micro- to indoor transmitting
Ripple, pyrolysis oil gas and uncracked solid dirt particle now are in the condition of high temperature, can further risen under microwave action
Anneal crack solution, and it is discharged into deduster 3 from gas outlet.
The device of dedusting includes cyclone dust collectors and Dust Storage Room in deduster 3.
The cyclone dust collectors are provided with 3, and the Dust Storage Room is provided with double valves, and Dust Storage Room is provided with position sensor, storage
After ash content in grey room reaches the position of setting, position sensor is by controlling the stirring ash exhauster of spiral soot blower by ash content
Deliver to ash storage.
Tentatively cooling and further dedusting are carried out to high temperature pyrolysis gas using cooler 4, the cooler 4 includes atomization and added
Wet device and bottom filter layers, atomizing humidifier are tentatively cooled to high temperature hot combustion gas, and bottom filter layers are further removed to gas
Dirt.
The bottom filter layers have 4 layers, are divided into drying nest and filtration fraction, wherein, the superiors and orlop are drying
Part, centre is filtration fraction.
The drying nest material therefor is montmorillonite；Filtration fraction material therefor is aluminium oxide ceramic ball.
It is described condensation and biomass collection oil completed in tar separator 5, tar separator 5 include U-shaped circulating water pipe,
Circulating water tower and tar collecting chamber.
Simultaneously the oily step of biomass collection is for the condensation：Pyrolysis gas of biomass after preliminary cooling leads to from cooler 4
Piping enters tar separator 5, and circulating water tower carries out water circulation cooling to tar separator, then the tar liquefaction in tar gas
Enter tar collecting chamber under gravity, the cooling gas after separation enters tar remover from the outlet conduit of tar separator
In 7.
A small amount of tar of tar removing final residual is gone to be completed in tar remover 7, the tar remover 7 is provided with filter layer,
The tar for filtering and adsorbing remnants further to gas, the filter layer have three layers, and first layer and second layer material therefor are activity
Carbon is adsorbed, third layer material therefor is montmorillonite drier.
Match somebody with somebody in the expansion chamber 2, dirt pocket 3, cooler 4, tar separator 5, circulating water tower 6, the device of tar remover 7
There is pressure gauge, adjust internal pressure size.
The driving of the expansion chamber 2, dirt pocket 3, cooler 4, tar separator 5, circulating water tower 6, the device of tar remover 7
Device is provided with frequency converter, energy-saving.
【Embodiment 2】
A kind of biomass pyrolytic synthesis gas gas-liquid separating method, including the step of the step of microwave cracking, dedusting, to high temperature
Pyrolysis gas carries out the step of tentatively cooling and further dedusting, the step of condensation and biomass collection oil and further tar removing
Step；Characterized in that, the biomass pyrolytic synthesis gas gas-liquid separating method equipment therefor includes：Expansion chamber 2, dirt pocket 3,
Cooler 4, tar separator 5, circulating water tower 6, tar remover 7；The expansion chamber 2 passes through resistance to height with dore furnace and dirt pocket 3
Warm pipeline connection, the dirt pocket 3 are connected by high-temperature resistant pipeline with cooler 4, and the cooler 4 passes through pipeline and tar point
Connected from device 5, the tar separator 5 is connected by water pipe with circulating water tower 6, and tar separator 5 passes through pipe with tar remover 7
Road is connected.
Further cracking is cracked using microwave radiation technology in expansion chamber 2, and expansion chamber 2 includes anti-microwave leakage housing, resistance to height
Warm protective layer, gas flow sensor and microwave generator.
The high temperature resistance protective layer using silicon nitride can electromagnetic wave transparent material, bear in pyrolysis oven high temperature pyrolysis gas out；Institute
State anti-microwave leakage housing and use metal material.
It is the step of expansion chamber further cracks：Pyrolysis gas of biomass enters expansion chamber 2, gas stream from pyrolysis oven 1
Quantity sensor senses that signal is passed to microwave generator by high temperature hot gas stream, and microwave generator startup is simultaneously micro- to indoor transmitting
Ripple, pyrolysis oil gas and uncracked solid dirt particle now are in the condition of high temperature, can further risen under microwave action
Anneal crack solution, and it is discharged into deduster 3 from gas outlet.
The device of dedusting includes cyclone dust collectors and Dust Storage Room in deduster 3.
The cyclone dust collectors are provided with 6, and the Dust Storage Room is provided with double valves, and Dust Storage Room is provided with position sensor, storage
After ash content in grey room reaches the position of setting, position sensor is by controlling the stirring ash exhauster of spiral soot blower by ash content
Deliver to ash storage.
Tentatively cooling and further dedusting are carried out to high temperature pyrolysis gas using cooler 4, the cooler 4 includes atomization and added
Wet device and bottom filter layers, atomizing humidifier are tentatively cooled to high temperature hot combustion gas, and bottom filter layers are further removed to gas
Dirt.
The bottom filter layers have three layers, and are divided into drying nest and filtration fraction, wherein, the superiors and orlop are drying
Part, centre is filtration fraction.
The drying nest material therefor is molecular sieve；Filtration fraction material therefor is sintered metal mesh.
Simultaneously biomass collection oil is completed in tar separator 5 for the condensation, and tar separator 5 includes U-shaped recirculated water
Pipe, circulating water tower and tar collecting chamber.
Simultaneously the oily step of biomass collection is for the condensation：Pyrolysis gas of biomass after preliminary cooling leads to from cooler 4
Piping enters tar separator 5, and circulating water tower carries out water circulation cooling to tar separator, then the tar liquefaction in tar gas
Enter tar collecting chamber under gravity, the cooling gas after separation enters tar remover from the outlet conduit of tar separator
In 7.
A small amount of tar of tar removing final residual is gone to be completed in tar remover 7, the tar remover 7 is provided with filter layer,
The tar for filtering and adsorbing remnants further to gas, the filter layer have 4 layers, and first layer and second layer material therefor are activity
Carbon is adsorbed, third layer and the 4th layer of material therefor are montmorillonite drier.
Match somebody with somebody in the expansion chamber 2, dirt pocket 3, cooler 4, tar separator 5, circulating water tower 6, the device of tar remover 7
There is pressure gauge, adjust internal pressure size.
The driving of the expansion chamber 2, dirt pocket 3, cooler 4, tar separator 5, circulating water tower 6, the device of tar remover 7
Device is provided with frequency converter, energy-saving.
Above example is only the exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively in the essence and protection domain of the present invention to the present invention
Kind modification or equivalent substitution, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of biomass pyrolytic synthesis gas gas-liquid separating method, including the step of the step of microwave cracking, dedusting, height is warmed
Vent one's spleen carry out tentatively cooling and the step of further dedusting, condensation and the step of biomass collection oil and the step of further tar removing
Suddenly；Characterized in that, the biomass pyrolytic synthesis gas gas-liquid separating method equipment therefor includes：Expansion chamber (2), dirt pocket
(3), cooler (4), tar separator (5), circulating water tower (6), tar remover (7)；The expansion chamber (2) and dore furnace and remove
Dirt room (3) is connected by high-temperature resistant pipeline, and the dirt pocket (3) is connected by high-temperature resistant pipeline with cooler, the cooler
(4) it is connected by pipeline with tar separator (5), the tar separator (5) is connected by water pipe with circulating water tower (6), burnt
Oil eliminator (5) is connected with tar remover (7) by pipeline.
2. a kind of biomass pyrolytic synthesis gas gas-liquid separating method according to claim 1, it is characterised in that in expansion chamber
(2) further cracking is cracked using microwave radiation technology in, and expansion chamber (2) includes anti-microwave leakage housing, high temperature resistance protective layer, gas
Flow sensor and microwave generator；The high temperature resistance protective layer using aluminum oxide or silicon nitride can electromagnetic wave transparent material, bear to be pyrolyzed
High temperature pyrolysis gas in stove out；The anti-microwave leakage housing uses metal material.
3. a kind of biomass pyrolytic synthesis gas gas-liquid separating method according to claim 1 or 2, it is characterised in that heavy
Dropping the step of room (2) further crack is：Pyrolysis gas of biomass enters expansion chamber (2), gas flow sensing from pyrolysis oven (1)
Device senses that signal is passed to microwave generator by high temperature hot gas stream, and microwave generator starts and to indoor transmitting microwave, now
Pyrolysis oil gas and uncracked solid dirt particle be in the condition of high temperature, cracking can be further heated up under microwave action,
And it is discharged into deduster (3) from gas outlet.
A kind of 4. biomass pyrolytic synthesis gas gas-liquid separating method according to claim 1, it is characterised in that deduster
(3) device of dedusting includes cyclone dust collectors and Dust Storage Room；The cyclone dust collectors are provided with 3-6 platforms, and the Dust Storage Room is provided with double
Weight valve, Dust Storage Room are provided with position sensor, and after the ash content in Dust Storage Room reaches the position of setting, position sensor passes through control
Ash content is delivered to ash storage by the stirring ash exhauster of spiral soot blower.
A kind of 5. biomass pyrolytic synthesis gas gas-liquid separating method according to claim 1, it is characterised in that the cooling
High temperature pyrolysis gas are carried out with tentatively cooling for device (4) and further dedusting, the cooler (4) include atomizing humidifier and bottom mistake
Filtering layer, atomizing humidifier are tentatively cooled to high temperature hot combustion gas, and bottom filter layers are to the further dedusting of gas.
6. a kind of biomass pyrolytic synthesis gas gas-liquid separating method according to claim 1 or 5, it is characterised in that described
Bottom filter layers have 3-6 layers, are divided into drying nest and filtration fraction, wherein, the superiors and orlop are drying nest, and centre is
Filtration fraction.
A kind of 7. biomass pyrolytic synthesis gas gas-liquid separating method according to claim 6, it is characterised in that the drying
Part material therefor is montmorillonite or molecular sieve；Filtration fraction material therefor is aluminium oxide ceramic ball or sintered metal mesh.
8. a kind of biomass pyrolytic synthesis gas gas-liquid separating method according to claim 1, it is characterised in that condense and receive
Collect bio-oil to complete in tar separator (5), tar separator (5) includes U-shaped circulating water pipe, circulating water tower and tar and received
Collect room；Simultaneously the oily step of biomass collection is for the condensation：Pyrolysis gas of biomass after preliminary cooling passes through from cooler (4)
Pipeline enters tar separator (5), and circulating water tower carries out water circulation cooling to tar separator, then the tar liquefaction in tar gas
Enter tar collecting chamber under gravity, the cooling gas after separation enters tar remover from the outlet conduit of tar separator
In (7).
9. a kind of biomass pyrolytic synthesis gas gas-liquid separating method according to claim 1, it is characterised in that remove tar removing
A small amount of tar of final residual is completed in tar remover (7), and the tar remover (7) is provided with filter layer, further to gas
Filter and adsorb remnants tar, the filter layer there are 2-6 layers, and material therefor is activated adoption carbon and montmorillonite drier.
10. a kind of biomass pyrolytic synthesis gas gas-liquid separating method according to claim 1, it is characterised in that described heavy
It is provided with drop room (2), dirt pocket (3), cooler (4), tar separator (5), circulating water tower (6), tar remover (7) device
Pressure gauge, adjust internal pressure size；The expansion chamber (2), dirt pocket (3), cooler (4), tar separator (5), circulation
Water tower (6), the drive device of tar remover (7) device are provided with frequency converter.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387265A (en) * | 2019-07-22 | 2019-10-29 | 苏钰山 | A kind of biological mass combustable gas extracting method and extract equipment |
| CN110699122A (en) * | 2019-10-09 | 2020-01-17 | 安徽桐煜能源科技有限公司 | Dust-removing and coke-removing device of biomass gasification furnace |
| CN110743336A (en) * | 2019-09-19 | 2020-02-04 | 中国人民解放军火箭军研究院核技术研究所 | Flue gas purification system |
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| CN110699122B (en) * | 2019-10-09 | 2020-11-24 | 安徽桐煜能源科技有限公司 | Dust-removing and coke-removing device of biomass gasification furnace |
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