CN105368496A - Process method for cogenerating electricity, charcoal, heat and fertilizer through gasified gas supply of biomass - Google Patents
Process method for cogenerating electricity, charcoal, heat and fertilizer through gasified gas supply of biomass Download PDFInfo
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- CN105368496A CN105368496A CN201510851255.3A CN201510851255A CN105368496A CN 105368496 A CN105368496 A CN 105368496A CN 201510851255 A CN201510851255 A CN 201510851255A CN 105368496 A CN105368496 A CN 105368496A
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- heat
- boiler
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- 239000002028 Biomass Substances 0.000 title claims abstract description 41
- 239000003610 charcoal Substances 0.000 title claims abstract description 34
- 230000005611 electricity Effects 0.000 title claims abstract description 27
- 239000003337 fertilizer Substances 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title abstract description 25
- 230000008569 process Effects 0.000 title abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims abstract description 3
- 238000002309 gasification Methods 0.000 claims description 49
- 239000007789 gas Substances 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 33
- 239000000567 combustion gas Substances 0.000 claims description 14
- 238000003672 processing method Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000002737 fuel gas Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 7
- 241000521257 Hydrops Species 0.000 claims description 6
- 206010030113 Oedema Diseases 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000005338 heat storage Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 230000008016 vaporization Effects 0.000 claims description 2
- 235000021419 vinegar Nutrition 0.000 claims description 2
- 239000000052 vinegar Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 231100000820 toxicity test Toxicity 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007541 cellular toxicity Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000007674 genetic toxicity Effects 0.000 description 1
- 231100000025 genetic toxicology Toxicity 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/007—Screw type gasifiers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0909—Drying
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1625—Integration of gasification processes with another plant or parts within the plant with solids treatment
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1671—Integration of gasification processes with another plant or parts within the plant with the production of electricity
- C10J2300/1675—Integration of gasification processes with another plant or parts within the plant with the production of electricity making use of a steam turbine
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1687—Integration of gasification processes with another plant or parts within the plant with steam generation
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
-
- 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
-
- 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
Abstract
The invention relates to a process method for cogenerating electricity, charcoal, heat and a fertilizer through gasified gas supply of biomass. The process method is characterized by carrying out gasifying by a self-drying and spouting multi-cogeneration gasifier so as to prepare hot combustible gas as fuel of a boiler, and enabling steam generated by the boiler to propel a steam turbine to generate electricity, thereby obtaining four products, i.e., electricity, charcoal, heat and a crude fertilizer simultaneously. The process method comprises the process steps: carrying out biomass pretreatment (collecting and chipping); gasifying the biomass in the multi-cogeneration gasifier; collecting the crude fertilizer; supplying the hot combustible gas, obtained after gasifying, to a gas-fired boiler through a combustor; cooling and collecting biomass charcoal; and enabling the steam generated by the boiler to propel the steam turbine for electricity generation and heat supplying. The process method has the advantages that three kinds of residues of agriculture and forestry are adopted as a raw material, so that environmental protection and the resource-converting utilization of the three kinds of residues of agriculture and forestry are facilitated; and the process is stable in operation, high in hot-combustible-gas combustion heat efficiency, diverse in product and good in economic benefit and is applicable to large-scale application.
Description
Technical field
What the present invention relates to is a kind of biomass gasification and gas-supply coproduction electricity, charcoal, heat, fertile processing method, belongs to biomass energy source domain.
Background technology
Under the dual-pressure of the energy and environment, the renewable energy source that Devoting Major Efforts To Developing cleans has become the very urgent world subject of in face of national governments of the world one of pendulum.Biomass energy is compared with other new forms of energy, have renewable, pollute less, can transport and store, with the feature such as present energy industry most consistency, thus receive publicity especially.China is a large agricultural country, agricultural-forestry biomass aboundresources, enormous amount, variety diversity.Under the Policy Background of advantage, biomass recycling use obtains significant progress in China, but also produces a lot of problems on technique, equipment simultaneously.
Biogas is turned to the method for a kind of thermochemical study in biomass recycling use, and Duo Suo colleges and universities conduct in-depth research at home.People are continuous mutually develops a lot of gasifying electricity generation technique and equipment.Make a general survey of current biomass recycling gasifying electricity generation technique and equipment: product is single, and economic benefit is low; Adopt system for wet purification, produce water pollutions; Because purification does not thoroughly adopt oil engine and gas turbine generating system poor stability.Patent " a kind of biomass energy circulation electrification technique as well as and power generation system ", Kunming electricity Yan New Energy Technology Co., Ltd. " biomass energy resource gasification generating set " as the people such as patent " scale fixed bed biomass gasification power generation technique and suite of equipment ", the Taiwan Huang Jia sheng, a reed pipe wind instrument exploitation of the people such as the Han Wenke exploitation of Lin Yuan Science and Technology Development Co., Ltd.: product is single; adopt wet purification thermosteresis many increases simultaneously depth-averaged model technique; employing oil engine generates electricity, poor stability.
Current Domestic go up gasifying stalk power generation project, use following technique: biomass material pre-treatment (chip, be dried to water ratio less than 20%)+fixed bed or fluidized-bed+gas-cleaning installation+oil engine generating (internal combustion turbine).These gasifying electricity generation techniques only have generating not have charcoal product; In these operational processs vapourizing furnace output combustible gas in containing dust and tar, deep purifying must be carried out to combustible gas for oil engine generating, combustible gas purifying mode is that washing adds electric tar preferably at present, electric tar has requirement to oxygen level in combustion gas, security incident may occur as exceeded standard, this causes electric tar method to promote the use of.Combustible gas is through water washing cleaning, really most dust and combustible gas is eliminated, but also leave a small amount of tar, this part a small amount of tar has had a strong impact on the operation of internal combustion engine generator, internal combustion engine generator stability, decrease in efficiency and maintenance cost are improved, and special mass-producing online generating cannot steady running be difficult to apply; This handicraft product is single, deficiency in economic performance.
Summary of the invention
What the present invention proposed is a kind of biomass gasification and gas-supply coproduction electricity, charcoal, heat, fertile processing method; its object is intended to the above-mentioned defect solving prior art existence; without the need to outer dry to biomass stove; Diversified Products can be produced; increase economic efficiency; system stability, environmental protection, meet the requirement adapting to large-scale promotion and use.
The technology of the present invention solution: a kind of biomass gasification and gas-supply coproduction electricity, charcoal, heat, fertile processing method, utilize self-desiccation, spray-moving type Poly-generation gasification installation, the hot combustion gas that vaporizing system obtains is as the fuel of boiler, the Steam Actuation steam turbine power generation that boiler produces, obtain electricity, charcoal, heat, thick fertile four products, concrete technology step comprises as follows simultaneously:
1) biomass material collection, chip to about 5cm;
2) biomass material is under Belt Conveying, lift effect, is admitted to self-desiccation, spray-moving type is many
In coproduction gasification installation, biomass material produces combustible gas 600-800 DEG C of condition gasification, and combustible gas calorific value is 1100-1300Kcal, temperature about 300 DEG C;
3) the hot combustion gas of temperature about 300 DEG C is by thick fertile collector, and fertilizer vinegar liquid is trapped within thick fertile collector; Described thick fertile collector is a kind of labyrinth settling vessel;
4) hot combustion gas is quickly through after thick fertile collector; direct feeding burner is for gas fired-boiler, and combustion gas produces medium temperature and medium pressure steam in boiler combustion, medium temperature and medium pressure steam (435 DEG C, 3.43Mpa); promotion steam turbine generates electricity, and steam turbine exhaust vapour waste heat is used for heating;
5), after charcoal cooling is collected, Belt Conveying, to forming machine, is machined to charcoal for roasting, industrial charcoal etc. by forming machine;
6) boiler afterheat is by air preheater to air heating, and warm air sends into vapourizing furnace by gas blower.
Advantage of the present invention:
1) this explained hereafter electricity, charcoal, heat, fertile four products, diversity product, improves economic benefit.
2) adopt gasification installation to be provided with raw material self-desiccation system, for the raw material of water ratio about 50%, do not need raw material drying, gasification installation reaction chamber heat can be utilized to carry out self-desiccation, and adaptability to raw material is wider.
3) spray-moving type gasification system, makes combustible gas pipeline Blower-free, vapourizing furnace security raising, maintenance rate reduce, simple to operate.
4) adopt hot combustion gas burning boiler, thermo-efficiency improves greatly.
5) power generation system provides Steam Actuation steam turbine power generation by gas fired-boiler, and equipment is stable to be improved greatly, is beneficial to large-scale production.
Accompanying drawing explanation
Accompanying drawing 1 is biomass gasification and gas-supply coproduction electricity, charcoal, heat, fertile process flow sheet
Accompanying drawing 2 is structural representations of self-desiccation, spray-moving type Poly-generation gasification installation.
Accompanying drawing 3 is thick fertile collector structure schematic diagram.
Contrast accompanying drawing 1
Biomass gasification and gas-supply coproduction electricity, charcoal, heat, in fertile process flow sheet, 1 is pre-treatment (section, lift), 2 is self-desiccations, spray-moving type Poly-generation gasification installation, 3 is charcoal cooling gathering systems, 4 is the thick fertile collector of dry type (being also a kind of gravitational settlers), 5 is gas blowers, 6 is hot gas burners, 7 is that burner is for air blower, 8 is gas fired-boilers, 9 is economizers, 10 is air preheaters, 11 is flue gas vacuum fans, 12 is aiutages, 13 is steam turbines, 14 is generators, 15 is hoppers, pneumavalve on 16, 17 is transition barrel (band level gages), 18 is lower pneumavalves, 19 is feed bins before spiral, 20 is one-level feed auger, 21 is the inner feed auger of the vertical insertion apparatus of secondary, 22 is heat storage (potteries etc.), 23 is upper inspection manholes, 24 is reaction chambers, 25 is gas outlets, 26 is pressure units, 27 is level gages, 28 is thermopair (arranging relative populations as required), 29 is lower inspection manholes, 30 is lighting-up tuyeres, 31 is dry steam relief outlets, 32 is gas blowers, 33 is fire grates, 34 is fire grate supporting rotary structures, 35 is fire grate rotary power units, 36 is carbon outleting port (are provided with out charcoal cooling spiral and Blowing stopper, ensure out carbon-type seal), 37 is fuel gas inlet, 38 is gas outlets, 39 is intermediate isolating plates, 40 is maze boards of the pitch of holes 30mm making diameter 20mm, 41 is hydrops grooves.
Embodiment
Contrast accompanying drawing 1, for wood raw material: the raw material through section is cut into slices to about 6CM through pre-treatment 1(drum slicer), lift enters in gasification installation 2, at 600-800 DEG C, oxidation-reduction reaction occurs, gas blower 5 from gasification installation 2 blast from air preheater 10 warm air and come from the steam of stove inner drying, (hot gas temperature 200-300 DEG C containing extracting solution to produce hot combustion gas after gasification, tar, dust), realize the preliminary filtration of dust in gas through raw material layer at the direct draught of gas blower 5, then at thick fertile collector 4 through preliminary gravity settling, heavy tar and extracting solution are trapped in thick fertile collector, the biomass charcoal that gasification installation 2 bottom produces is packaging and warehousing after the spiral cooling of axle in conventional equipment and shell water flowing is collected, final hot combustion gas is sent in gas fired-boiler 8 by hot gas burner 6 and is burnt, boiler 8 produces medium temperature and medium pressure Steam Actuation steam turbine 13, and then drive electrical generators 14 generates electricity, steam uses through the heat supply of steam turbine some vapor, water at low temperature enters steam trap and returns economizer 9 for boiler replenishing water.After fuel gas buring, boiler 8 tail gas is through first through economizer 9, then carries out preheating through air preheater 10 pairs of vaporized chemicals, discharges eventually through aiutage 12.
Contrast accompanying drawing 2
Self-desiccation, spray-moving type Poly-generation gasification installation, its structure is provided with feed system in gasification installation middle and lower part, feed system is provided with hopper, upper pneumavalve, transition feed bin, lower pneumavalve, one-level feed auger, is provided with the outer vertical secondary feed auger being laid with heat storage utilizing heated drying in device; Gasification installation upper shell is provided with access opening, combustible gas outlet and thermopair, level gage; Be provided with the fire grate of spinning disk structure with holes in the middle part of gasification installation, fire grate supports and fire grate rotation system; Gasification installation bottom be provided with spray into vaporized chemical air-blowing entrance, blower fan, the dry steam outlet port of dry spiral, and fans entrance; Gasification installation lower curtate is provided with biomass charcoal outlet and charcoal cooling.
The advantage of self-desiccation, spray-moving type Poly-generation gasification installation:
1) this gasification installation is provided with raw material self-desiccation system, for the raw material of water ratio about 50%, does not need to increase dehumidification system to raw material drying, gasification installation reaction chamber heat can be utilized to carry out self-desiccation.
2) feed system that gasification installation is provided with adopts enclosed construction charging, ensures the realization of spray-moving type gasification installation, does not need the oxygen level of combustible gas outlet peripheral hardware induced draft fan while very low.
3) gasification installation is provided with the fire grate of unique spinning disk structure with holes, and ensure that out that charcoal is even, air-blowing is even.
4) gasification installation finally can obtain combustible gas, biomass charcoal product.
Contrast accompanying drawing 3, thick fertile collector, its structure comprises fuel gas inlet 37, gas outlet 38, intermediate isolating plate 39, the maze board 40 making the pitch of holes 30mm of diameter 20mm, hydrops groove 41; Wherein intermediate isolating plate 39 inserts hydrops groove 41, intermediate isolating plate 39 is maze boards 40, and intermediate isolating plate 39 both sides are fuel gas inlet 37, gas outlet 38.
When thick fertile collector is implemented,
Combustion gas enters the thick fertile collector of dry type through fuel gas inlet 37, first passes through N road, left side maze board 40, then passes through N road, right side maze board 40, and final combustion gas is flowed out from gas outlet 38, and retain in thick fat guy hydrops groove 41, liquid obtains extracting solution through rectifying.
Described extracting solution through chemical analysis be a kind of organic compound containing the number of chemical composition such as acids, alcohols, ester class, aldehydes, ketone, phenols, itself all has multiple biological activity, promote plant growth and antibacterial, bactericidal property, mutually act synergistically between each material, make biomass active extracting solution action effect better, can be used for the sterilization of cattle breeding, disinfecting liquid, reodorant or the foliage fertilizer for agricultural chemicals, auxiliary agent, promotion plant growth, successful in organic crops.The country such as Japan, Korea S is comparatively deep to the research of extracting solution, has been widely used in the fields such as life, agricultural and environment.Through the cell toxicity test of Center for Disease Control of Jiangsu Province, genetic toxicity test and the anxious slow toxicity test of per os confirm acitve organic matter use safety in agriculture production.The applicant in Jiangsu, Shandong, Ningxia, Jiangxi, the provinces and cities such as Hebei promotion and application, biomass active Liquid Fertilizer can be widely used in the farm-forestry crops such as various lands for growing field crops crop, cash crop, veterinary antibiotics.Biomass extract is a kind of complicated component and acts on special natural organic matter product, should with the idea of the traditional Chinese medical science go understand, investigation and application it.
Claims (5)
1. a biomass gasification and gas-supply coproduction electricity, charcoal, heat, fertile processing method, it is characterized in that utilizing self-desiccation, spray-moving type Poly-generation gasification installation, the hot combustion gas that vaporizing system obtains is as the fuel of boiler, the Steam Actuation steam turbine power generation that boiler produces, obtain electricity, charcoal, heat, thick fertile four products, concrete technology step comprises as follows simultaneously:
1) biomass material collection, chip to 5cm;
2) biomass material is under Belt Conveying, lift effect, is admitted to self-desiccation, spray-moving type is many
In coproduction gasification installation, biomass material produces combustible gas 600-800 DEG C of condition gasification, and combustible gas calorific value is 1100-1300Kcal, temperature 300 DEG C;
3) the hot combustion gas of temperature 300 DEG C is by thick fertile collector, and fertilizer vinegar liquid is trapped within thick fertile collector; Described thick fertile collector is a kind of labyrinth settling vessel;
4) hot combustion gas is quickly through after thick fertile collector, direct feeding burner is for gas fired-boiler, and combustion gas produces medium temperature and medium pressure steam in boiler combustion, medium temperature and medium pressure steam 435 DEG C, 3.43Mpa, promotion steam turbine generates electricity, and steam turbine exhaust vapour waste heat is used for heating;
5), after charcoal cooling is collected, Belt Conveying, to forming machine, is machined to charcoal for roasting, industrial charcoal by forming machine, its calorific value > 6500kcal/kg;
6) boiler afterheat is by air preheater to air heating, and warm air sends into gasification installation by gas blower.
2. a kind of biomass gasification and gas-supply coproduction electricity, charcoal, heat, fertile processing method according to right 1, it is characterized in that: described self-desiccation, spray-moving type Poly-generation gasification installation, its structure gasification installation middle and lower part is provided with feed system, feed system is provided with hopper, upper pneumavalve, transition feed bin, lower pneumavalve, one-level feed auger, is provided with the outer vertical secondary feed auger being laid with heat storage utilizing heated drying in device; Gasification installation upper shell is provided with access opening, combustible gas outlet and thermopair, level gage; Be provided with the fire grate of spinning disk structure with holes in the middle part of gasification installation, fire grate supports and fire grate rotation system; Gasification installation bottom be provided with spray into vaporized chemical air-blowing entrance, blower fan, the dry steam outlet port of dry spiral and fans entrance; Gasification installation lower curtate is provided with biomass charcoal outlet and charcoal cooling.
3. a kind of biomass gasification and gas-supply coproduction electricity, charcoal, heat, fertile processing method according to right 1, it is characterized in that: described self-desiccation, spray-moving type Poly-generation gasification installation, totally-enclosed charging, heat in reaction is utilized to carry out drying to raw material, by the heated warm air of waste heat of boiler tail gas as vaporized chemical.
4. a kind of biomass gasification and gas-supply coproduction electricity, charcoal, heat, fertile processing method according to right 1, is characterized in that: described thick fertilizer is collected the liquid adopting the thick fertile collector of dry type to collect and obtained biomass extract through rectifying, can be used as Liquid Fertilizer after processing.
5. a kind of biomass gasification and gas-supply coproduction electricity, charcoal, heat, fertile processing method according to right 1, it is characterized in that described thick fertile collector, its structure comprises fuel gas inlet, gas outlet, intermediate isolating plate, the maze board making the pitch of holes 30mm of diameter 20mm, hydrops groove; Wherein intermediate isolating plate inserts hydrops groove, and intermediate isolating plate is maze board, and intermediate isolating plate both sides are fuel gas inlet, gas outlet.
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