CN109181729A - A kind of biomass charcoal gas cleaning co-production - Google Patents
A kind of biomass charcoal gas cleaning co-production Download PDFInfo
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- CN109181729A CN109181729A CN201811174619.9A CN201811174619A CN109181729A CN 109181729 A CN109181729 A CN 109181729A CN 201811174619 A CN201811174619 A CN 201811174619A CN 109181729 A CN109181729 A CN 109181729A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
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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
-
- 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
-
- 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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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The present invention provides a kind of biomass charcoal gas to clean co-production.Present invention optimizes conventional pyrolytic process flows, it is integrated with dedusting technology, gas mixture part burning decoking technology, gas mixture Direct-Combustion Technology, pyrolysis oil gas mixed combusting technology, energy is provided for pyrolysis charring by the energy for generating the mixed combustion of oil gas, fuel burning and clean gas burning, guarantees the smooth implementation of pyrolysis charring；Meanwhile the waste heat that Pintsch process generates is provided to required energy for dedusting, realize the efficient utilization of energy.
Description
Technical field
The present invention relates to biomass pyrolytic technical fields more particularly to a kind of charcoal gas to clean co-production.
Background technique
Charcoal is biomass organic material in anoxic or anoxybiotic environment, the solid product generated after hot cracked.Its
It is resourceful, it is widely used, it can not only be used for the high-quality energy, also can be used as reducing agent, it is slow to be alternatively arranged as soil conditioner, fertilizer
Release carrier and carbon dioxide sequestration agent.Charcoal passes through the carbon in fixed biomass, to atmosphere soil carbon cycle, land Carbon stock
Deng all having a major impact.China's energy resource structure is mainly based on coal, because environmental pollution, ecological disruption be increasingly caused by its use
Seriously, per capita energy's level of consumption and energy utilization rate are relatively low.Therefore, develop new energy industry, readjust the energy structure and
Energy utilization rate is improved to have become a top priority in China.
The by-product that pyrolytic tar generates during carbonizing as biomass pyrolytic, easily condensation at low temperature, easy and water,
The impurity such as charcoal particle, ash content are combined together, lead to problems such as block gas pipeline, stuck valve, corrosion metal and it is inconvenient
It is directly utilized.Researcher analyzes and researches to pyrolytic tar at this stage, and discovery wherein contains 100 many kinds of substance, more
It is difficult to decompose for ring shaped molecule structure.By experimental test, it is found that the calorific value of pyrolytic tar can reach 34MJ, therefore pyrolytic tar
Full combustion not only solve pollution problem, but also heat energy can be brought.
Currently, having produced some more significant achievements, but research focuses mostly on due to the attention studied biomass pyrolytic
In the research of Biomass Pyrolysis Mechanism and biomass pyrolysis device, as pyrolysis plant can be divided by production method it is intermittent and continuous
Formula, the research about biomass pyrolytic carbon process flow is seldom, so as to cause there is energy throwing always in pyrolysis charring processing
Enter, consume big, the problems such as waste heat discharge, these problems solve from mechanical equipment merely very uneconomical up.Therefore how more
By optimize pyrolysis charring processing process, reduce the energy investment with consumption be urgent need to resolve the problem of.
Summary of the invention
The purpose of the present invention is to provide a kind of biomass charcoal gas that can reduce energy investment and consumption to clean coproduction side
Method.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of biomass charcoal gas to clean co-production, comprising the following steps:
Biological material is successively carried out to pyrolysis charring and the separation of charcoal gas, obtains gas mixture crude product；
The gas mixture crude product is dusted, gas mixture is obtained；
The gas mixture is divided into three process routes to be handled as follows:
First process route: the gas mixture is subjected to Pintsch process, obtains the first combustion gas；The Pintsch process
65%~75% in gas mixture is cracked in the process, and remaining gas mixture is directly burnt, and will burning
The heat generated afterwards provides energy for the cracking；The waste heat of the Pintsch process provides after being handled by heat exchange for the dedusting
Energy；
Article 2 process route: the gas mixture is subjected to Oil-gas Separation, obtains the second combustion gas and fuel oil；It will be described
The heat that fuel oil generates after being burnt provides energy for the pyrolysis charring；
Article 3 process route: the gas mixture is subjected to the mixed combustion of oil gas, the heat that the mixed combustion of the oil gas generates is
The pyrolysis charring provides energy；
First combustion gas or second combustion gas are subjected to gas-purification, obtain clean gas；By part clean gas
The heat generated after being burnt provides energy for the pyrolysis charring, and remaining clean gas is carried out burning heating.
Preferably, the pyrolysis charring is sectional temperature-controlled formula continuous pyrolysis, and the sectional temperature-controlled formula continuous pyrolysis successively wraps
Include baking, pre- pyrolysis, pyrolysis and heat preservation charing.
Preferably, the temperature of the baking is 200~250 DEG C, and the temperature of the pre- pyrolysis is 250~400 DEG C, the heat
The temperature of solution is 400~600 DEG C, and the temperature of the heat preservation charing is 550~650 DEG C.
Preferably, the dedusting includes the dust removal by filtration successively carried out, sedimentation dedusting and cyclone dust removal.
Preferably, the temperature of the Pintsch process is 1100~1300 DEG C.
Preferably, the Oil-gas Separation successively includes that temperature control condenses and separates and electrostatic decoking.
Preferably, the temperature that the temperature control condenses and separates is 140~150 DEG C, and the voltage of the electrostatic decoking is 60KV.
Preferably, the gas-purification includes that the deep dehydration successively carried out and combustion gas are dry.
Preferably, the deep dehydration is cooled dehydrated, and the temperature of the cooled dehydrated is 40~50 DEG C.
Preferably, the partial size of the biological material is 1~4cm, moisture content≤15%.
The present invention provides a kind of biomass charcoal gas to clean co-production, comprising the following steps: successively by biological material
Pyrolysis charring and the separation of charcoal gas are carried out, gas mixture crude product is obtained；The gas mixture crude product is dusted, oil is obtained
Gas mixture；The gas mixture is divided into three process routes to be handled as follows: first process route: by the oil
Gas mixture carries out Pintsch process, obtains the first combustion gas；During the Pintsch process in gas mixture 65%~75%
It is cracked, remaining gas mixture is directly burnt, and provides the heat generated after burning to energy for the cracking；
The waste heat of the Pintsch process is by providing energy after heat exchange processing for the dedusting；Article 2 process route: by the oil gas
Mixture carries out Oil-gas Separation, obtains the second combustion gas and fuel oil；The heat generated after the fuel oil is burnt is the heat
Solution charing provides energy；Article 3 process route: the gas mixture is subjected to the mixed combustion of oil gas, the mixed combustion of the oil gas generates
Heat provides energy for the pyrolysis charring；First combustion gas or second combustion gas are subjected to gas-purification, cleaned
Combustion gas；The heat generated after part clean gas is burnt provides energy for the pyrolysis charring, by remaining clean gas
Carry out burning heating.Present invention optimizes conventional pyrolytic process flows, are integrated with dedusting technology, the burning of gas mixture part removes
Burnt technology, gas mixture Direct-Combustion Technology, pyrolysis oil gas mixed combusting technology, by by the mixed combustion of oil gas, fuel burning and
The energy that clean gas burning generates provides energy for pyrolysis charring, guarantees the smooth implementation of pyrolysis charring；Meanwhile by high anneal crack
The waste heat that solution generates provides required energy for dedusting, realizes the efficient utilization of energy.
Detailed description of the invention
Fig. 1 is that biomass charcoal gas cleans co-production flow chart, and 1 separates for pyrolysis charring and charcoal gas, and 2 be dedusting, and 3 be height
Anneal crack solution, 4 be Oil-gas Separation, and 5 be gas-purification, and 6 be cleaning burning.
Specific embodiment
The present invention provides a kind of biomass charcoal gas to clean co-production, comprising the following steps:
Biological material is successively carried out to pyrolysis charring and the separation of charcoal gas, obtains gas mixture crude product；
The gas mixture crude product is dusted, gas mixture is obtained；
The gas mixture is divided into three process routes to be handled as follows:
First process route: the gas mixture is subjected to Pintsch process, obtains the first combustion gas；The Pintsch process
65%~75% in gas mixture is cracked in the process, and remaining gas mixture is directly burnt, and will burning
The heat generated afterwards provides energy for the cracking；The waste heat of the Pintsch process provides after being handled by heat exchange for the dedusting
Energy；
Article 2 process route: the gas mixture is subjected to Oil-gas Separation, obtains the second combustion gas and fuel oil；It will be described
The heat that fuel oil generates after being burnt provides energy for the pyrolysis charring；
Article 3 process route: the gas mixture is subjected to the mixed combustion of oil gas, the heat that the mixed combustion of the oil gas generates is
The pyrolysis charring provides energy；
First combustion gas or second combustion gas are subjected to gas-purification, obtain clean gas；By part clean gas
The heat generated after being burnt provides energy for the pyrolysis charring, and remaining clean gas is carried out burning heating.
Biological material is successively carried out pyrolysis charring and the separation of charcoal gas by the present invention, obtains gas mixture crude product.At this
In invention, the biological material is preferably agriculture and forestry organic waste material；The agriculture and forestry organic waste material can specifically be preferably stalk, rice husk
Or fruit tree pruning.
Before pyrolysis charring, the present invention preferably pre-processes the biological material；The pretreatment preferably includes
It crushes and dry.The present invention crushes no any special restriction to described, crushed using well known to those skilled in the art
Journey simultaneously makes the partial size of biological material reach 1~4cm.The present invention any special restriction no to the drying uses
Drying process well known to those skilled in the art and moisture content≤15% for making biological material.
In the present invention, the pyrolysis charring is preferably sectional temperature-controlled formula continuous pyrolysis, the sectional temperature-controlled formula Continuous Heat
Solution successively includes baking, pre- pyrolysis, being pyrolyzed and keep the temperature charing.In the present invention, the temperature of the baking is preferably 200~250
DEG C, more preferably 210~240 DEG C, most preferably 220~230 DEG C；The temperature of the pre- pyrolysis is preferably 250~400 DEG C, more
Preferably 280~380 DEG C, most preferably；The temperature of the pyrolysis is preferably 400~600 DEG C, and more preferably 450~550 DEG C,
Most preferably 480~520 DEG C；The temperature of the heat preservation charing is preferably 550~650 DEG C, and more preferably 600 DEG C；In the present invention
In, the waste heat that the pyrolysis charring generates is preferably that the above-mentioned drying process to biological material provides energy.
In the present invention, the sectional temperature-controlled formula continuous pyrolysis is preferably in the patent disclosure of Publication No. CN104946279A
Pyrolysis charring equipment in carry out.
The present invention separates no any special restriction to the charcoal gas, using charcoal gas well known to those skilled in the art point
From technical solution and achieve the purpose that charcoal gas separate.The device that the present invention separates the charcoal gas is also without any special
Restriction, using charcoal air separation well known to those skilled in the art.
In the present invention, it after charcoal gas separation, while obtaining gas mixture crude product, is also obtained and oil
The charcoal of gas mixture crude product separation.In the present invention, the isolated charcoal of the charcoal gas is preferably successively by heat preservation charing, cooling
Charcoal and compound stalk forming out, obtain machine-made carbon.The present invention walks the concrete operations of the heat preservation charing, cooling charcoal and compound stalk forming out
Rapid not special restriction, using heat preservation charing well known to those skilled in the art, the technical side of cooling charcoal and compound stalk forming out
Case.
In the present invention, the machine-made carbon is preferred for central heating or individual household heating.
After obtaining gas mixture crude product, the gas mixture crude product is dusted by the present invention, obtains air-fuel mixture
Object；In the present invention, the dedusting preferably includes the dust removal by filtration successively carried out, sedimentation dedusting and cyclone dust removal.In the present invention
In, the temperature of the dust removal by filtration is preferably 300~400 DEG C, more preferably 320~380 DEG C, most preferably 340~360 DEG C；
In the present invention, the dust removal by filtration is preferably back flushing type dust removal by filtration.In the present invention, the temperature of the sedimentation dedusting is preferred
It is 300~400 DEG C, more preferably 320~380 DEG C, most preferably 340~360 DEG C.In the present invention, the dust removal by filtration and
Baffle-type sedimentation dedusting can remove partial size >=1mm macromolecular particle in gas.
In the present invention, the temperature of the cyclone dust removal is preferably 300~400 DEG C, more preferably 320~380 DEG C, optimal
It is selected as 340~360 DEG C；In the present invention, the cyclone dust removal can remove the small molecule particle of partial size >=50 μm in gas.
The present invention does not have any special restriction to the device of the dedusting, is respectively adopted well known to those skilled in the art
The purpose that device may be implemented dust removal by filtration, settle dedusting and cyclone dust removal.
After obtaining gas mixture, the gas mixture is divided into three process routes and is handled as follows by the present invention:
First process route: the gas mixture is subjected to Pintsch process, obtains the first combustion gas；The Pintsch process
65%~75% in gas mixture is cracked in the process, and remaining gas mixture is directly burnt, and will burning
The heat generated afterwards provides energy for the cracking；The waste heat of the Pintsch process provides after being handled by heat exchange for the dedusting
Energy；
Article 2 process route: the gas mixture is subjected to Oil-gas Separation, obtains the second combustion gas and fuel oil；It will be described
The heat that fuel oil generates after being burnt provides energy for the pyrolysis charring；
Article 3 process route: the gas mixture is subjected to the mixed combustion of oil gas, the heat that the mixed combustion of the oil gas generates is
The pyrolysis charring provides energy；
First combustion gas or second combustion gas are subjected to gas-purification, obtain clean gas；By part clean gas
The heat generated after being burnt provides energy for the pyrolysis charring, and remaining clean gas is carried out burning heating.
First process route: the gas mixture is carried out Pintsch process by the present invention, obtains the first combustion gas；The height
65%~75% being cracked in gas mixture in anneal crack solution preocess, remaining gas mixture is directly burnt, and
The heat generated after burning is provided to energy for the cracking；The waste heat of the Pintsch process is described remove after being handled by heat exchange
Dirt provides energy.In the present invention, energy needed for the Pintsch process is preferably described in 25%~35% as volume fraction
Gas mixture burning provides, and more preferably 28%~32%.In the present invention, the temperature of the cracking be preferably 1100~
1300 DEG C, more preferably 1150~1250 DEG C, most preferably 1180~1220 DEG C；In the present invention, the time of the cracking is excellent
It is selected as 0.08~0.2s, more preferably 0.1~0.18s, most preferably 0.12~0.16s.
In the present invention, the cracking can by the macromolecular coke tar cracking in gas mixture at small molecule combustion gas, into
And achieve the purpose that tar removing.
The present invention does not have any special restriction to the device of the Pintsch process, and use is well known to those skilled in the art
Pyrolysis device.
The present invention does not have any special restriction to the heat-treating apparatus that changes, and use is well known to those skilled in the art
Heat exchange treatment device.
Article 2 process route: the gas mixture is carried out Oil-gas Separation by the present invention, obtains the second combustion gas and fuel oil；
The heat generated after the fuel oil is burnt provides energy for the pyrolysis charring.In the present invention, the Oil-gas Separation
It is preferred that successively including that temperature control condenses and separates and electrostatic decoking.In the present invention, the temperature that the temperature control condenses and separates is preferably 140
~150 DEG C, more preferably 142~148 DEG C, most preferably 144~146 DEG C.In the present invention, the temperature control, which condenses and separates, to incite somebody to action
Tar is converted to liquid by gaseous state, realizes the separation of tar and combustion gas, achievees the purpose that tar removing.
In the present invention, the voltage of the electrostatic decoking is preferably 60KV；In the present invention, the gas is in static tar precipitating
Flow velocity in oily device is preferably 1.0~1.5m/s, more preferably 1.2~1.4m/s.In the present invention, the electrostatic decoking can incite somebody to action
Residu tar removing after temperature control condenses and separates in gained gas mixture.
The present invention condenses the temperature control and the device of electrostatic decoking does not have any special restriction, using art technology
Device known to personnel carries out.
Article 3 process route: the gas mixture is carried out the mixed combustion of oil gas by the present invention, and the mixed combustion of the oil gas generates
Heat provides energy for the pyrolysis charring.The present invention does not have any spy to burner used by the mixed combustion of the oil gas is carried out
Different restriction, using burner well known to those skilled in the art.
After obtaining the first combustion gas or the second combustion gas, the present invention is net by first combustion gas or second combustion gas progress combustion gas
Change, obtains clean gas；The heat generated after part clean gas is burnt provides energy for the pyrolysis charring, will remain
Remaining clean gas carries out burning heating.In the present invention, the gas-purification preferably includes the deep dehydration successively carried out and combustion
Gas is dry.In the present invention, the deep dehydration is preferably cooled dehydrated, and the temperature of the cooling is preferably 40~50 DEG C, more
Preferably 42~48 DEG C, most preferably 44~46 DEG C.In the present invention, it is preferably filler filtration drying, institute that the combustion gas is dry
Stating the filler in filler filtration drying is preferably calcium chloride.
The present invention does not have any special restriction to the device of the gas-purification, and use is well known to those skilled in the art
Gas cleaning device.
Biomass charcoal gas provided by the invention cleaning co-production is described in detail below with reference to embodiment, still
They cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
Stalk is ground into the little particle that partial size is 1~4cm, and drying to moisture content is 10%, obtains stalk small
Grain；
By stalk little particle pyrolysis charring, baked under conditions of 250 DEG C, 300 DEG C, 400 DEG C and 600 DEG C respectively,
Pre- pyrolysis, pyrolysis and heat preservation charing；It is described bake, pre- pyrolysis, pyrolysis and heat preservation charing time be respectively 10min, 5min,
Products therefrom is carried out the separation of charcoal gas, obtains gas mixture crude product and charcoal by 15min and 10min；The pyrolysis charring stage
Waste heat provides required energy for above-mentioned drying process；
The gas mixture crude product is successively settled by back flushing type dust removal by filtration, baffle-type under conditions of 350 DEG C
Dedusting and cyclone dust removal, the small molecule particle of 50 μm of removal or more, obtain gas mixture；
In the gas mixture 70% gas mixture is cracked, the first combustion gas is obtained, by remaining 30%
It is directly burnt, and provides the energy of generation to energy for the cracking, the temperature of cracking is 1200 DEG C, time 0.1s,
Waste heat after Pintsch process provides energy by heat exchange processing for dust removal process；
With cooling water by first combustion gas be cooled to 50 DEG C carry out deep dehydration after, be passed through filler be calcium chloride filler
It is further dehydrated in formula drying machine, obtains clean gas；
The clean gas is passed through gas storage holder, accounting for the heat generated after the clean gas burning that volume fraction is 60% is
Pyrolysis charring provides energy, and remaining clean gas carries out burning heating.
Embodiment 2
Stalk is ground into the little particle that partial size is 1~4cm, and drying to moisture content is 10%, obtains stalk small
Grain；
By stalk little particle pyrolysis charring, baked under conditions of 250 DEG C, 300 DEG C, 400 DEG C and 600 DEG C respectively,
Pre- pyrolysis, pyrolysis and heat preservation charing；It is described bake, pre- pyrolysis, pyrolysis and heat preservation charing time be respectively 10min, 5min,
Products therefrom is carried out the separation of charcoal gas, obtains gas mixture crude product and charcoal by 15min and 10min；The pyrolysis charring stage
Waste heat provides required energy for above-mentioned drying process；
The gas mixture crude product is successively settled by back flushing type dust removal by filtration, baffle-type under conditions of 350 DEG C
Dedusting and cyclone dust removal, the small molecule particle of 50 μm of removal or more, obtain gas mixture；
The gas mixture is passed through in temperature control condensing unit, after so that the temperature of gas mixture is down to 150 DEG C, is entered
The electrostatic coke removing appts that voltage is 60KV carry out electrostatic decoking, obtain the second combustion gas and fuel oil；Fuel burning mentions for pyrolysis charring
For energy；
With cooling water by second combustion gas be cooled to 50 DEG C carry out deep dehydration after, be passed through filler be calcium chloride filler
It is further dehydrated in formula drying machine, obtains clean gas；
The clean gas is passed through gas storage holder, accounting for the heat generated after the clean gas burning that volume fraction is 60% is
Pyrolysis charring provides energy, and remaining clean gas carries out burning heating.
Embodiment 3
Stalk is ground into the little particle that partial size is 1~4cm, and drying to moisture content is 10%, obtains stalk small
Grain；
By stalk little particle pyrolysis charring, baked under conditions of 250 DEG C, 300 DEG C, 400 DEG C and 600 DEG C respectively,
Pre- pyrolysis, pyrolysis and heat preservation charing；It is described bake, pre- pyrolysis, pyrolysis and heat preservation charing time be respectively 10min, 5min,
Products therefrom is carried out the separation of charcoal gas, obtains gas mixture crude product and charcoal by 15min and 10min；The pyrolysis charring stage
Waste heat provides required energy for above-mentioned drying process；
The gas mixture crude product is successively settled by back flushing type dust removal by filtration, baffle-type under conditions of 350 DEG C
Dedusting and cyclone dust removal, the small molecule particle of 50 μm of removal or more, obtain gas mixture；
The gas mixture is subjected to the mixed combustion of oil gas, the heat that the mixed combustion of the oil gas generates provides energy for pyrolysis charring
Amount.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of biomass charcoal gas cleans co-production, comprising the following steps:
Biological material is successively carried out to pyrolysis charring and the separation of charcoal gas, obtains gas mixture crude product；
The gas mixture crude product is dusted, gas mixture is obtained；
The gas mixture is divided into three process routes to be handled as follows:
First process route: the gas mixture is subjected to Pintsch process, obtains the first combustion gas；The Pintsch process process
65%~75% in middle gas mixture is cracked, and remaining gas mixture is directly burnt, and will be produced after burning
Raw heat provides energy for the cracking；The waste heat of the Pintsch process is by providing energy after heat exchange processing for the dedusting
Amount；
Article 2 process route: the gas mixture is subjected to Oil-gas Separation, obtains the second combustion gas and fuel oil；By the fuel oil
The heat generated after being burnt provides energy for the pyrolysis charring；
Article 3 process route: the gas mixture is subjected to the mixed combustion of oil gas, the heat that the mixed combustion of the oil gas generates is described
Pyrolysis charring provides energy；
First combustion gas or second combustion gas are subjected to gas-purification, obtain clean gas；Part clean gas is carried out
The heat generated after burning provides energy for the pyrolysis charring, and remaining clean gas is carried out burning heating.
2. the method as described in claim 1, which is characterized in that the pyrolysis charring is sectional temperature-controlled formula continuous pyrolysis, described
Sectional temperature-controlled formula continuous pyrolysis successively includes baking, pre- pyrolysis, being pyrolyzed and keep the temperature charing.
3. method according to claim 2, which is characterized in that the temperature of the baking is 200~250 DEG C, the pre- pyrolysis
Temperature be 250~400 DEG C, the temperature of the pyrolysis is 400~600 DEG C, and the temperature of the heat preservation charing is 550~650 DEG C.
4. the method as described in claim 1, which is characterized in that the dedusting includes the dust removal by filtration successively carried out, settles and remove
Dirt and cyclone dust removal.
5. the method as described in claim 1, which is characterized in that the temperature of the Pintsch process is 1100~1300 DEG C.
6. the method as described in claim 1, which is characterized in that the Oil-gas Separation successively includes temperature control condensation separation and electrostatic
Decoking.
7. method as claimed in claim 6, which is characterized in that the temperature that the temperature control condenses and separates is 140~150 DEG C, institute
The voltage for stating electrostatic decoking is 60KV.
8. the method as described in claim 1, which is characterized in that the gas-purification includes the deep dehydration successively carried out and combustion
Gas is dry.
9. method according to claim 8, which is characterized in that the deep dehydration is cooled dehydrated, the cooled dehydrated
Temperature is 40~50 DEG C.
10. the method as described in claim 1, which is characterized in that the partial size of the biological material is 1~4cm, moisture content
≤ 15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174619.9A CN109181729A (en) | 2018-10-09 | 2018-10-09 | A kind of biomass charcoal gas cleaning co-production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174619.9A CN109181729A (en) | 2018-10-09 | 2018-10-09 | A kind of biomass charcoal gas cleaning co-production |
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| CN110616077A (en) * | 2019-10-18 | 2019-12-27 | 南京理工大学 | Method and device for preparing high-yield coke by combined baking-carbonization |
| CN114196425A (en) * | 2021-12-17 | 2022-03-18 | 上海秦鄠工程技术有限公司 | Process method and device for preparing charcoal by biomass pyrolysis |
| CN117050764A (en) * | 2023-09-11 | 2023-11-14 | 华南理工大学 | Method for preparing high-content combustible gas by multi-step pyrolysis of antibiotic fungus residues |
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| CN110616077A (en) * | 2019-10-18 | 2019-12-27 | 南京理工大学 | Method and device for preparing high-yield coke by combined baking-carbonization |
| CN110616077B (en) * | 2019-10-18 | 2021-11-09 | 南京理工大学 | Method and device for preparing high-yield coke by combined baking-carbonization |
| CN114196425A (en) * | 2021-12-17 | 2022-03-18 | 上海秦鄠工程技术有限公司 | Process method and device for preparing charcoal by biomass pyrolysis |
| CN117050764A (en) * | 2023-09-11 | 2023-11-14 | 华南理工大学 | Method for preparing high-content combustible gas by multi-step pyrolysis of antibiotic fungus residues |
| CN117050764B (en) * | 2023-09-11 | 2024-04-05 | 华南理工大学 | Method for preparing high-content combustible gas by multi-step pyrolysis of antibiotic fungus residues |
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