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CN106269799A - A kind of method effectively utilizing biomass - Google Patents

A kind of method effectively utilizing biomass Download PDF

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Publication number
CN106269799A
CN106269799A CN201610744762.1A CN201610744762A CN106269799A CN 106269799 A CN106269799 A CN 106269799A CN 201610744762 A CN201610744762 A CN 201610744762A CN 106269799 A CN106269799 A CN 106269799A
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China
Prior art keywords
biomass
biogas
effectively utilizing
vegetables
vegetable
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CN201610744762.1A
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Chinese (zh)
Inventor
俞建中
薛命雄
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Beihai Bada Biotechnology Co Ltd
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Beihai Bada Biotechnology Co Ltd
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Priority to CN201610744762.1A priority Critical patent/CN106269799A/en
Publication of CN106269799A publication Critical patent/CN106269799A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fertilizers (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The present invention relates to energy environment protection technical field, be specifically related to a kind of method effectively utilizing biomass;With biomass electric power plant as core system, using one or several in biogas fermentation, both culturing microalgae and planting vegetable in greenhouse as supporting aid system, obtain association system, utilize each system to produce garbage and as the raw materials for production of other system or meet the essential condition that other system runs;Form the circulating system of a waste reclaimation, the garbage that each system produces is as the raw material of other system or subsidiary conditions, eliminate or reduce the discharge of garbage to greatest extent, reach energy-conservation, reduction of discharging, potentiation, make full use of the purpose of biomass resource, improve the utilization ratio of biomass energy;Meanwhile, effectively by counter to nitrogen element and the trace element soil that refills, reduce the amount of application of chemical fertilizer and other fertilizer, reduce the cost that microalgae, vegetable and cereal crops produce.

Description

A kind of method effectively utilizing biomass
Technical field
The present invention relates to energy environment protection technical field, be specifically related to a kind of method effectively utilizing biomass.
Background technology
Biomass refer to the various organisms utilizing big gas and water, soil etc. to be produced by photosynthesis, and i.e. one cuts with life Life the organic substance that can grow be commonly referred to as biomass, including all of plant, microorganism and with plant, microorganism for food The animal of thing and the garbage of production thereof, have recyclability, low stain, the feature of widely distributed property.
In recent years, after producing substantial amounts of biomass, the most all it is dropped, causes the pollution of environment, and the wave of resource Take, so exploitation to biomass in recent years, significant to environmental conservation and waste recovery field.
Summary of the invention
The present invention solves above-mentioned technical problem, it is provided that a kind of method effectively utilizing biomass.
Realize particular by techniques below scheme:
A kind of method effectively utilizing biomass, with biomass electric power plant as core system, with biogas fermentation, both culturing microalgae and One or several in planting vegetable in greenhouse, as supporting aid system, obtains association system, wherein, utilizes each system to produce useless Gurry as other system raw materials for production or meet other system run essential condition, the output object of whole association system is Biomass electric energy, biogas, microalgae product and victual.Effectively utilize the garbage that each system produces as other system Raw material or subsidiary conditions, eliminate or reduce the discharge of garbage to greatest extent, reaches energy-conservation, reduction of discharging, potentiation, makes full use of biology The purpose of matter resource.
Further, described biomass electric power plant, its fuel be water content be the biomass of 20~40%.
Further, described marsh gas fermenting system, fingernail alkane flora utilizes biomass for the raw methanogenic system of fermenting raw materials System.
Further, described biomass electric power plant, its product is flue gas, fume afterheat and Power Plant Ash, and wherein, flue gas is through removing After dirt, cooling, can be as carbon source for both culturing microalgae, it is also possible to for planting vegetable in greenhouse;Fume afterheat, can in the winter time time pair Methane-generating pit, green house of vegetables and both culturing microalgae liquid heat so that biogas fermentation, green house of vegetables and both culturing microalgae can in the winter time Proceed;Power Plant Ash can soak and be diluted, as trace element replenisher in both culturing microalgae, it is possible to multiple as raw material production Hefei, for green house of vegetables.The flue-gas temperature of biomass electric power plant discharge is about 140 DEG C, in most cases, takes in flue gas The waste heat majority of band is not used effectively, and causes waste, and wherein temperature is required by vegetable growth, Northern Part of China temperature in winter Booth, less than 0 DEG C, is heated time in the winter time by degree with fume afterheat, controls temperature to about 20 DEG C to ensure that vegetable is just being carried out Normal production, substantially increases vegetable production cost;Power Plant Ash is mainly composed of Ca, K, Mg, Na, F, Al, P, Ti, Mn, S etc. Deng element, almost contain whole mineral elements necessary to plant growing.
Further, described biogas fermentation, its product is biogas slurry and biogas residue, wherein, can be as booth vegetables after biogas slurry dilution The insecticide of dish, after chemosterilization processes, can add both culturing microalgae system as fertilizer, can mix work with both culturing microalgae waste water For the irrigation water in green house of vegetables, foliage fertilizer;Biogas residue can be fermented in soil again as the fertilizer in green house of vegetables, Playing the effect of carbon dioxide in supplementary booth, biogas residue can utilize power-plant flue gas waste heat to be dried, then as pot simultaneously Stove fuel burns.Biogas slurry is the residual liquid after biogas fermentation, containing various bioactivators, as aminoacid, trace element, Plant growth substance, vitamin B group, some antibiotic etc., have plant and help growth, sterilization and the effect of insect pest, can For vegetable or the irrigation of cereal crops or as insecticide, it is possible to as the culture fluid of both culturing microalgae;Biogas residue is that biogas is sent out Remaining Organic substance after ferment, biogas residue contains humic acids 10~20%, organic matter 30~50%, full nitrogen 1.0~2.0%, phosphorous 0.4 ~0.6%, full potassium 0.6~1.2%, be the organic fertilizer that has both of a kind of slow, speed.
Further, described both culturing microalgae, the waste water of generation can be as fertilizer for green house of vegetables, it is also possible to note Enter marsh gas fermentation pool, as the nitrogen source of biogas fermentation bacterium.
Further, described planting vegetable in greenhouse, the garbage after vegetable is gathered can be as the raw material of biogas fermentation.
Further, described garbage, refer to vegetable gather after remaining putrid vegetable leaves putrid vegetable leaves, tendril and dish root.
Further, described both culturing microalgae system, refer to support with raceway pond, various bioreactor, foster type microalgae of holding concurrently Grow the system of the facility cultivation microalgae such as device.
Further, the biomass obtained being classified, the water content biomass less than 40% are fired for boiler of power plant The raw material burnt, and the biomass that water content is more than 40%, and the higher biomass of nitrogen content are for biogas fermentation.
Further, described microalgae, refer to the microalgae kind of growth in fresh water, low-solids water or nothing/less salt sewage, bag Include but be not limited to following classification: chlorella, scenedesmus, synnema algae, nostoc.
Further, described flue gas refers to the flue gas of biomass electric power plant burning biology discharge.
Further, described fume afterheat refers to the heat energy carried in flue gas.
Further, the biomass ash that described Power Plant Ash discharges after referring to biomass electric power plant biomass burning.
Further, the liquid component that described biogas slurry is remaining after referring to marsh gas fermenting system fermentation and biogas production.
Further, the solid constituent that described biogas residue is remaining after referring to marsh gas fermenting system fermentation and biogas production.
Further, described both culturing microalgae waste water, the waste liquid cannot being recycled after referring to microalgae recovery.
Further, described biogas refers to that biogas fermentation utilizes biomass to become for main other with methane for what raw material produced The mixed gas divided.
Further, described biomass electric energy, refer to that biomass electric power plant passes through biomass burning and produces heat energy and steam, profit The electric energy produced with steam drive steam turbine generator.
Further, described biogas, refer to utilize biomass for fermenting raw materials produce with methane for other compositions main Mixed gas.
Further, described microalgae product, refer to microalgae mud or the microalgae powder of results in both culturing microalgae system.
Further, described victual, the leaf referring to utilize vegetables greenhouse cultivation mode to produce, flower, melon, really, bean and Rhizome vegetable.
In sum, the beneficial effects of the present invention is: with biomass electric power plant as core system, with biogas fermentation, microalgae One or several in cultivation and planting vegetable in greenhouse, as supporting aid system, obtains association system, and output is biomass electricity The product such as energy, resident living biogas, microalgae powder, fertilizer, compound fertilizer, vegetable;Wherein, the cigarette that biomass electric power plant system produces Gas, fume afterheat, Power Plant Ash, marsh gas fermenting system produce biogas, biogas slurry, biogas residue, both culturing microalgae system produce waste water and The garbage that planting vegetable in greenhouse system produces, forms the circulating system of a waste reclaimation, and it is useless that each system produces Gurry, as the raw material of other system or subsidiary conditions, eliminates or reduces the discharge of garbage to greatest extent, reach energy-conservation, subtract Row, potentiation, make full use of the purpose of biomass resource, improve the utilization ratio of biomass energy;Meanwhile, effectively by nitrogen element and The anti-soil that refills of trace element, reduces the amount of application of chemical fertilizer and other fertilizer, reduces what microalgae, vegetable and cereal crops produced Cost.
Detailed description of the invention
Below the detailed description of the invention of the present invention is described in further detail, but the invention is not limited in that these are real Execute mode, any improvement on the present embodiment essence spirit or replacement, still fall within the claims in the present invention required for protection Scope,
Embodiment 1
In mid-February~mid-November, as a example by the biomass electric power plant of a 2 × 12.5MW, the flue gas discharged per hour Amount is 150000Nm3, temperature is the flue gas of 140 DEG C, 1, flue gas is passed through drying plant, and set and be passed through flue-gas temperature as 140 DEG C, Exiting flue gas is 60 DEG C, can meet biogas residue or High water cut biomass that 1000 tons of water content are 80%, is dried to water content and is 30%;2, after flue gas removing dust, cooling, can be as carbon source for both culturing microalgae, it is also possible to for planting vegetable in greenhouse 3, will go out Mouth flue gas is passed through methane-generating pit, and the fermentation temperature of regulation methane-generating pit is 25 DEG C;4, Power Plant Ash can soak and be diluted, and supports as microalgae Grow middle trace element replenisher, it is possible to as raw material production compound fertilizer, for green house of vegetables;5, the waste water of both culturing microalgae can conduct Biogas fermentation water;6, the biomass of water content > 40%, utilize the pulverizer of biomass electric power plant, are crushed to powder, add To marsh gas fermenting system, through precipitation, twice anaerobic fermentation and post processing, output biogas, biogas residue and biogas slurry.
Biogas fermentation, its product is biogas slurry and biogas residue, wherein, can be as the insecticide of booth vegetable, warp after biogas slurry dilution After chemosterilization processes, both culturing microalgae system can be added as fertilizer, can mix as in green house of vegetables with both culturing microalgae waste water Irrigation water, foliage fertilizer;Biogas residue can be fermented in soil again as the fertilizer in green house of vegetables, plays supplementary booth The effect of interior carbon dioxide, biogas residue can utilize power-plant flue gas waste heat to be dried simultaneously, then fires as boiler oil Burn.
Both culturing microalgae, the waste water of generation can be as fertilizer for green house of vegetables, it is also possible to inject marsh gas fermentation pool, Nitrogen source as biogas fermentation bacterium.
Planting vegetable in greenhouse, vegetable gather after remaining putrid vegetable leaves putrid vegetable leaves, tendril and dish root, can former as biogas fermentation Material.
Southern area of China, the annual four seasons all can carry out according to this embodiment, and this is to the north of area, only mid-February~November The middle ten days can implement according to this case.
Embodiment 2
In mid-November~mid-February, 2 × 12.5WM biomass electric power plant, per hour 140 DEG C of flue gases of discharge 150000Nm3.The present embodiment, because winter temperature is relatively low, Changes in weather is complicated, illumination is short of, and unilaterally promotes micro algae culturing liquid Temperature, it is also difficult to significantly promoting microalgae yield, the unit cost of production that microalgae produces is higher than selling cost, so abandoning micro- Algae cultivates, and biogas residue is dried work and also terminates simultaneously, and biogas residue is moist, carries out compost, organic as what the coming year, green house of vegetables produced Fertilizer, the fermentation of heat concentrated supply methane-generating pit and green house of vegetables use.
1, flue gas being passed through drying plant, set and be passed through flue-gas temperature as 140 DEG C, exiting flue gas is 60 DEG C, can meet by The biogas residue of 1000 tons of water content >=80% or High water cut biomass, be dried to water content be 30% flue gas, 2, exiting flue gas is used for Green house of vegetables heats;3, Power Plant Ash is as raw material production compound fertilizer, for green house of vegetables.

Claims (8)

1. the method effectively utilizing biomass, it is characterised in that with biomass electric power plant as core system, with biogas fermentation, One or several in both culturing microalgae and planting vegetable in greenhouse, as supporting aid system, obtains association system, wherein, utilizes each System produces garbage and as the raw materials for production of other system or meets the essential condition that other system runs, whole association system Output object be biomass electric energy, biogas, microalgae product and victual.
2. the method effectively utilizing biomass as claimed in claim 1, it is characterised in that described biomass electric power plant, its combustion Expect the biomass for water content is 20~40%.
3. the method effectively utilizing biomass as claimed in claim 1, it is characterised in that described marsh gas fermenting system, refers to Methane flora utilizes biomass for the raw methanogenic system of fermenting raw materials.
4. the method effectively utilizing biomass as claimed in claim 1, it is characterised in that described biomass electric power plant, it produces Thing is flue gas, fume afterheat and Power Plant Ash, wherein, after flue gas removing dust, cooling, can also may be used as carbon source for both culturing microalgae For planting vegetable in greenhouse;Fume afterheat, can in the winter time time methane-generating pit, green house of vegetables and both culturing microalgae liquid are heated, Biogas fermentation, green house of vegetables and both culturing microalgae in the winter time is made to can continue to carry out;Power Plant Ash can soak and be diluted, as micro- Trace element replenisher in algae cultivation, it is possible to as raw material production compound fertilizer, for green house of vegetables.
5. the method effectively utilizing biomass as claimed in claim 1, it is characterised in that described biogas fermentation, its product It is biogas slurry and biogas residue, wherein, can be as the insecticide of booth vegetable after biogas slurry dilution, after chemosterilization processes, can be as fertilizer Material adds both culturing microalgae system, can mix as the irrigation water in green house of vegetables, foliage fertilizer with both culturing microalgae waste water;Biogas residue can As the fertilizer in green house of vegetables, again ferment in soil, play the effect of carbon dioxide, biogas residue simultaneously in supplementary booth Power-plant flue gas waste heat can be utilized to be dried, then burn as boiler oil.
6. the method effectively utilizing biomass as claimed in claim 1, it is characterised in that described both culturing microalgae, generation Waste water can be as fertilizer for green house of vegetables, it is also possible to inject marsh gas fermentation pool, as the nitrogen source of biogas fermentation bacterium.
7. the method effectively utilizing biomass as claimed in claim 1, it is characterised in that described planting vegetable in greenhouse, vegetables Garbage after dish is gathered can be as the raw material of biogas fermentation.
8. the method effectively utilizing biomass as claimed in claim 7, it is characterised in that described garbage, refers to vegetable Putrid vegetable leaves putrid vegetable leaves, tendril and dish root remaining after gathering.
CN201610744762.1A 2016-08-28 2016-08-28 A kind of method effectively utilizing biomass Pending CN106269799A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106982676A (en) * 2017-03-14 2017-07-28 新奥泛能网络科技股份有限公司 A kind of energy supplying system
CN108728335A (en) * 2018-06-04 2018-11-02 杭州中纽生物科技有限公司 A kind of combine production method using biomass
CN108870802A (en) * 2018-04-28 2018-11-23 重庆大学 A kind of near-zero release distributed energy resource system and its method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1868933A (en) * 2006-06-09 2006-11-29 浙江大学 Method of biomass resources circulating utilization
WO2009086307A1 (en) * 2007-12-21 2009-07-09 Core Intellectual Properties Holdings, Llc Methods and systems for biomass recycling and energy production
KR100949314B1 (en) * 2009-08-28 2010-03-23 한밭대학교 산학협력단 Apparatus for algae production using effluents produced from anaerobic digestion of organic wastes
CN101914572A (en) * 2010-07-20 2010-12-15 中国科学院广州能源研究所 Energy utilization method of carbon dioxide zero-emission type organic waste
CN102172473A (en) * 2010-12-13 2011-09-07 李京陆 Biomass high-temperature smoke treatment method and system
CN102337302A (en) * 2011-09-26 2012-02-01 复旦大学 Method for biologically purifying marsh gas and recycling waste of marsh gas

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1868933A (en) * 2006-06-09 2006-11-29 浙江大学 Method of biomass resources circulating utilization
WO2009086307A1 (en) * 2007-12-21 2009-07-09 Core Intellectual Properties Holdings, Llc Methods and systems for biomass recycling and energy production
KR100949314B1 (en) * 2009-08-28 2010-03-23 한밭대학교 산학협력단 Apparatus for algae production using effluents produced from anaerobic digestion of organic wastes
CN101914572A (en) * 2010-07-20 2010-12-15 中国科学院广州能源研究所 Energy utilization method of carbon dioxide zero-emission type organic waste
CN102172473A (en) * 2010-12-13 2011-09-07 李京陆 Biomass high-temperature smoke treatment method and system
CN102337302A (en) * 2011-09-26 2012-02-01 复旦大学 Method for biologically purifying marsh gas and recycling waste of marsh gas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106982676A (en) * 2017-03-14 2017-07-28 新奥泛能网络科技股份有限公司 A kind of energy supplying system
CN108870802A (en) * 2018-04-28 2018-11-23 重庆大学 A kind of near-zero release distributed energy resource system and its method
CN108728335A (en) * 2018-06-04 2018-11-02 杭州中纽生物科技有限公司 A kind of combine production method using biomass

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