CN110420967A - A kind of feces of livestock and poultry disposal system and method for taking into account energy and Fertilizer Transformed - Google Patents
A kind of feces of livestock and poultry disposal system and method for taking into account energy and Fertilizer Transformed Download PDFInfo
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- CN110420967A CN110420967A CN201910651856.8A CN201910651856A CN110420967A CN 110420967 A CN110420967 A CN 110420967A CN 201910651856 A CN201910651856 A CN 201910651856A CN 110420967 A CN110420967 A CN 110420967A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000003337 fertilizer Substances 0.000 title claims abstract description 30
- 210000003608 fece Anatomy 0.000 title claims abstract description 25
- 244000144977 poultry Species 0.000 title claims abstract description 23
- 244000144972 livestock Species 0.000 title claims abstract description 22
- 239000002002 slurry Substances 0.000 claims abstract description 52
- 238000000855 fermentation Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 230000018044 dehydration Effects 0.000 claims abstract description 14
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000004151 fermentation Effects 0.000 claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 8
- 241000894006 Bacteria Species 0.000 claims abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 24
- 239000002028 Biomass Substances 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 12
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- 239000003895 organic fertilizer Substances 0.000 claims description 6
- 239000012466 permeate Substances 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 239000011591 potassium Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 4
- 230000029087 digestion Effects 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000002918 waste heat Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 2
- 230000008720 membrane thickening Effects 0.000 claims description 2
- 239000010908 plant waste Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 230000008719 thickening Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 1
- 206010015866 Extravasation Diseases 0.000 description 1
- 206010059410 Faecaluria Diseases 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000001723 extracellular space Anatomy 0.000 description 1
- 230000036251 extravasation Effects 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of feces of livestock and poultry methods of disposal for taking into account energy and Fertilizer Transformed, comprising the following steps: the configuration of excrement pulp liquid: excrement is mixed in proportion with water, and the excrement pulp liquid that input concentration is 10% is made；The fermentation pretreatment of excrement pulp liquid: carrying out critical oxidation reaction for excrement pulp liquid, kills bacterium and breaks space between cells, is ready for deep dehydration, the slurries after reaction cool down；Anaerobic fermentation: the slurries of cooling carry out intermediate temperature anaerobic fermentation reaction, generate biogas；Dehydration and drying: fermentation completes slurries and carries out dehydration and drying, realizes the separation of biogas residue and biogas slurry.
Description
Technical field
The present invention relates to a kind of methods for combining disposition production organic fertilizer of biomass electric power plant lime-ash and feces of livestock and poultry, especially
It is related to a kind of dry by critical oxidation excrement and takes into account energy, the excrement and urine treating system of Fertilizer Transformed and method.
Background technique
With the fast development of economic society, the development of livestock and poultry breeding industry significantly improves resident living, but also band simultaneously
Serious pollution problem is carried out.Be mainly manifested in three aspects: (1) water pollution, the nutrients such as a large amount of nitrogen, phosphorus are discharged into water
After body, serious water eutrophication problem will cause；(2) atmosphere pollution, fowl and animal excrement, which not only contains NH3, H2S, amine etc., to be had
Evil gas, moreover it is possible to the foul smellings such as methyl mercaptan, methyl sulfide, dimethylamine and a variety of lower fatty acids are generated in subsequent reaction
Gas influences living environment, the health of unfavorable resident.Moreover, excrement heap, which is released, can discharge a large amount of greenhouse gases CH4.
(3) land pollution, the liquid dung extravasation in heap middenstead can directly corrode farmland, and a large amount of nitrogen, phosphorus permeate the ground in fecaluria, can also make underground
Nitrate nitrogen, hardness and total number of bacteria are exceeded in water.
Cut-off 2014, Chinese pig, ox and the poultry amount of delivering for sale respectively reach 7.15 hundred million, 0.48 hundred million and 119.04 hundred million
Only, annual feces of livestock and poultry quantum of output is more than 3,800,000,000 tons, ranking the first in the world.A mainly pollution of the feces of livestock and poultry as environment
Source, but the quantity handled at present is also very limited, and only 20% fecal sewage carries out different degrees of processing, wherein using biogas
Engineering is only 10%, mostly vaccary and pig farm, and 80% or so farm then directly liquid dung is discharged over-the-counter.Therefore, urgently
The excrement disposing technique of a kind of scale, recycling need to be constructed.
The processing technique of fowl and animal excrement mainly has two major classes type: (1) energy technology, disposes skill comprising common heat chemistry
Art such as burning, pyrolysis, gasification and liquefaction technology, also comprising converting first for the organic matter in excrement by anaerobic fermentation process
The biogas production technology of alkane and carbon dioxide.(2) Fertilizer Transformed technology passes through aerobic fermentation, Natural compost or drying process etc.
Mode kills harmful bacteria, realizes that the Fertilizer Transformed to organic matter and the nutrients such as nitrogen, phosphorus, potassium in feces of livestock and poultry utilizes.
Analyzed according to the characteristics of prior art, simple Fertilizer Transformed treatment and use need place it is larger, disposition
Period is longer, therefore cannot handle a large amount of feces of livestock and poultry in time, and irritation gas can not be fully controlled in production process
Taste discharge, can not directly meet current environment demand.And the direct heat chemistry disposal technology of animal dung is limited to its high-moisture
With the self properties such as high ash content, thermal treatment inefficiency, industrial O&M cost is high.
Summary of the invention
For deficiency of the above-mentioned two classes technology in actually disposition link, a kind of place that critical oxidation excrement is dry is proposed
Reason system and technique, and cooperative disposal, the excrement of Joint Production organic fertilizer, foliar fertilizer and biogas are carried out with biomass electric power plant lime-ash
Just application technology as the second resource.
To achieve the above object, the invention provides the following technical scheme: a kind of animal dung for taking into account energy and Fertilizer Transformed
Just disposal system, including preparing tank, Pintsch process reactor tank, cooling tank, anaerobic fermentation reactor tank are sequentially connected by delivery pump；
Pintsch process reactor tank connects oxygen intake pipe；Anaerobic fermentation reactor tank is equipped with methane outlet and biogas slurry exports, natural pond
Liquid outlet accesses equipment for separating liquid from solid import by delivery pump, and equipment for separating liquid from solid is equipped with biogas residue outlet and exports with biogas slurry.
It further include preheating can to realize Utilizing Energy Sources in Reason, the preheating can, Pintsch process reactor tank, in cooling tank
Heat exchange pipeline is installed, the heat exchange pipeline in the heat exchange pipeline and cooling tank of preheating can forms closed loop by delivery pump；High anneal crack
Solve the heat exchange pipeline external world steaming plant of reactor tank.
Further to carry out product disposition, the biogas slurry outlet of the equipment for separating liquid from solid accesses biogas slurry tank by delivery pump；
Biogas residue outlet lower section is equipped with hopper；The methane outlet of anaerobic fermentation reactor tank introduces biomass burner hearth by blower.
It further include water collect tank to realize Utilizing Energy Sources in Reason, the biogas slurry tank junctional membrane thickening apparatus, film thickening apparatus
Equipped with concentrate mouth and permeate mouth, permeate mouth accesses header tank by delivery pump.
Preferably, the equipment for separating liquid from solid is filter press.
Further, the biogas slurry outlet of the equipment for separating liquid from solid accesses biogas slurry tank by delivery pump；Biogas residue outlet lower section
Equipped with hopper；The methane outlet of anaerobic fermentation reactor tank introduces biomass burner hearth by blower.
It further, further include being installed on the intracorporal agitating device of each tank.
A kind of feces of livestock and poultry method of disposal for taking into account energy and Fertilizer Transformed, comprising the following steps:
The configuration of excrement pulp liquid: excrement is mixed in proportion with water, and the excrement pulp liquid that input concentration is 10% is made；
The fermentation pretreatment of excrement pulp liquid: carrying out critical oxidation reaction for excrement pulp liquid, kills bacterium and breaks cell
Gap is ready for deep dehydration, and the slurries after reaction cool down；
Anaerobic fermentation: the slurries of cooling carry out intermediate temperature anaerobic fermentation reaction, generate biogas；
Dehydration and drying: fermentation completes slurries and carries out dehydration and drying, realizes the separation of biogas residue and biogas slurry.
Further, further comprising the steps of:
Biogas treatment: the biomass burner hearth that the biogas of generation is sent into steam supply burns；
Biogas slurry treatment: concentration is carried out to the biogas slurry after separation, the concentrate of acquisition is for producing foliar fertilizer；The excrement
Permeate when being just biogas slurry treatment with water when the configuration of pulp liquid after concentration and separation；
Biogas residue processing: biogas residue carry out mechanical compression dehydration after with biomass hearth combustion deslagging (plant ash rich in potassium) into
Row mixing, which is mixed, is made organic fertilizer.
Preferably, the usual pressure increase of critical oxidation reaction is heated to 140~160 to 0.5MPa, medium temperature
℃。
Further, in order to realize Utilizing Energy Sources in Reason, it is real that waste heat recycling is carried out to the slurries after critical oxidation reaction
Existing slurries cooling is carried out lockup temperature before excrement pulp liquid carries out critical oxidation reaction using recovery waste heat, is steamed using power station
Vapour is heated as heat source；Temperature needed for intermediate temperature anaerobic fermentation comes from biomass electric power plant waste heat.
Preferably, the intermediate temperature anaerobic fermentation technique is fermented using the full-mixing type anaerobic digestion process of mesophilic digestion,
The anaerobic fermentation design residence time is 10 days, and anaerobic fermentation Chi10Tai is arranged, and every volume is 360m3, sets blender inside to mention
High mass transfer efficiency and abolish dross.
Beneficial effects of the present invention: being constructed by system, and Pintsch process reactor tank is introduced into before anaerobic fermentation and is faced
Boundary's hydration processes can promote the separation of lignin and fiber in plant tissue, after can substantially reducing fermentation after everfermentation
COD concentration in biogas slurry, the processing for subsequent biogas slurry provide convenience；Meanwhile killing bacterium, breaking space between cells, it is de- for depth
Water is ready, and Fertilizer Transformed Deal with Time is reduced；Due to the preamble disinfection system having had, biogas slurry or its is dense after fermentation separation
Contracting liquid can be directly as foliar fertilizer, and biogas residue then can height lime-ash containing potassium in open space after natural desiccation with biomass electric power plant
It is mixed, is configured to rich in nitrogen, phosphorus, potassium solid organic fertilizer；Realize energy and Fertilizer Transformed.
Detailed description of the invention
Fig. 1 is process principle figure of the invention.
Fig. 2 is system block diagram of the invention.
Specific embodiment
As shown in Figure 1, 2, a kind of feces of livestock and poultry disposal system for taking into account energy and Fertilizer Transformed, including by delivery pump according to
Secondary connection preparing tank 1, Pintsch process reactor tank 3, cooling tank 4, anaerobic fermentation reactor tank 5；Pintsch process reactor tank 3 connects oxygen
Air inlet pipe；Anaerobic fermentation reactor tank 5 is equipped with methane outlet and biogas slurry exports, and biogas slurry outlet is accessed by delivery pump is separated by solid-liquid separation dress
6 imports are set, the equipment for separating liquid from solid 6 is filter press, and filter press is equipped with biogas residue outlet and exports with biogas slurry, and the biogas slurry of filter press goes out
Mouth accesses biogas slurry tank 7 by delivery pump, and biogas residue outlet lower section is equipped with hopper；The methane outlet of anaerobic fermentation reactor tank 5 passes through wind
Power traction enters biomass burner hearth；
It further include preheating can 2, the preheating can 2, Pintsch process reactor tank 3 are equipped with heat exchange pipeline in cooling tank 4, in advance
The heat exchange pipeline and the heat exchange pipeline in cooling tank 4 of hot tank 2 form closed loop by delivery pump；The heat exchange of Pintsch process reactor tank 3
Pipeline external world steaming plant.
Its disposing technique method the following steps are included:
Excrement is mixed in proportion with water in preparing tank 1, and the excrement pulp liquid that input concentration is 10% is made；
Excrement pulp liquid pump is entered into Pintsch process reactor tank 3 and carries out critical oxidation reaction, is maintained through steam heat-exchanging pipeline
High temperature, and it is passed through oxygen, usual pressure increase to 0.5MPa, medium temperature is heated to 140~160 DEG C, kills bacterium and breaks carefully
Intercellular space is ready for deep dehydration, and the slurries after reaction cool down；
The slurries of cooling are pumped into anaerobic fermentation reactor tank 5 and carry out intermediate temperature anaerobic fermentation reaction, and anaerobic fermentation reactor tank 5 blends
Anaerobic fermentation bacterial generates biogas；It can similarly arrange that heat exchange pipeline maintains medium temperature in anaerobic fermentation reactor tank 5；
Fermentation completes slurries and is pumped into filter press progress dehydration and drying, realizes the separation of biogas residue and biogas slurry；
Biogas treatment: the biomass burner hearth that the biogas of generation is sent into steam supply burns, and can promote hearth combustion efficiency；
Biogas slurry treatment: the biogas slurry after separation can be used for producing foliar fertilizer due to having sterilized, can also concentrated place again
Reason is for producing foliar fertilizer, clear water reuse；
Biogas residue processing: biogas residue carries out mechanical compression dehydration or dries (low compared to existing way moisture content) and biomass stove
Thorax burning deslagging (plant ash rich in potassium) carries out mixing to mix that organic fertilizer is made；Biogas residue and inorganic fertilizer, plant ash respectively enter tune
Fast weighing belt carries out ingredient in proportion, and the material prepared, which is sent by conveying equipment to blender, to be stirred.Material is aqueous after mixing
Rate≤33%, naturally dry to moisture content≤30%.Then it is packaged pack sale.
The biogas of rigid output is the mixed gas containing saturated steam, removes and contains gaseous fuel CH4 and inert gas CO2
Outside, also containing gases such as H2S.H2S is not only toxic, but also has very strong corrosivity.Each intermediate temperature anaerobic fermentation pond is average daily
About 900m3 biogas is generated, the raw biogas 9000m3 of the daily common property of ten fermentation vats is transported to biology through biogas explosion proof and corrosion protection air-introduced machine
Matter power plant carries out combustion power generation.It is a kind of manifestation mode that biomass energy is converted to more high-grade energy that biogas, which is used to generate electricity,
Fund return rate is higher, belongs to the national project actively advocated and helped.The main component of biogas is methane and carbon dioxide,
Middle methane content is generally 50%~65%, and carbon dioxide content is generally 45%~30%.In addition, there are also a small amount of nitrogen,
Other gases such as hydrogen sulfide, carbon monoxide, biogas are feasible as fuel used to generate electricity.In addition this system does not build marsh gas power generation system
System, biogas utilization rely on biomass electric power plant to carry out, and produce biogas 9000m3,1m3 marsh gas power generation 1.7kWh (biogas heat according to daily
Value >=21.0MJ/Nm3), it is contemplated that daily generated energy 16200kWh.
To sum up, the feces of livestock and poultry for realizing energy and Fertilizer Transformed is disposed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of feces of livestock and poultry disposal system for taking into account energy and Fertilizer Transformed, which is characterized in that including passing through delivery pump successively
Connect preparing tank (1), Pintsch process reactor tank (3), cooling tank (4), anaerobic fermentation reactor tank (5)；
Pintsch process reactor tank (3) connects oxygen intake pipe；Anaerobic fermentation reactor tank (5) is equipped with methane outlet and biogas slurry exports,
Biogas slurry outlet accesses equipment for separating liquid from solid (6) import by delivery pump, and equipment for separating liquid from solid (6) is equipped with biogas residue outlet and goes out with biogas slurry
Mouthful；The biogas slurry outlet of equipment for separating liquid from solid (6) accesses biogas slurry tank (7) by delivery pump.
2. a kind of feces of livestock and poultry disposal system for taking into account energy and Fertilizer Transformed according to claim 1, which is characterized in that also
Including preheating can (2), the preheating can (2), Pintsch process reactor tank (3) are equipped with heat exchange pipeline in cooling tank (4), preheat
The heat exchange pipeline and the heat exchange pipeline in cooling tank (4) of tank (2) form closed loop by delivery pump；Pintsch process reactor tank (3)
Heat exchange pipeline external world steaming plant.
3. a kind of feces of livestock and poultry disposal system for taking into account energy and Fertilizer Transformed according to claim 1, which is characterized in that institute
The biogas slurry outlet for stating equipment for separating liquid from solid (6) accesses biogas slurry tank (7) by delivery pump；Biogas residue outlet lower section is equipped with hopper；Anaerobism
The methane outlet of fermentation reaction tank (5) introduces biomass burner hearth by blower.
4. a kind of feces of livestock and poultry disposal system for taking into account energy and Fertilizer Transformed according to claim 3, which is characterized in that also
Including water collect tank, biogas slurry tank (7) the junctional membrane thickening apparatus, film thickening apparatus is equipped with concentrate mouth and permeate mouth, penetrates
Liquid mouth accesses header tank by delivery pump.
5. a kind of feces of livestock and poultry disposal system for taking into account energy and Fertilizer Transformed according to claim 1, which is characterized in that institute
Stating equipment for separating liquid from solid (6) is filter press.
6. a kind of feces of livestock and poultry method of disposal for taking into account energy and Fertilizer Transformed, which comprises the following steps:
The configuration of excrement pulp liquid: excrement is mixed in proportion with water, and the excrement pulp liquid that input concentration is 10% is made；
The fermentation pretreatment of excrement pulp liquid: carrying out critical oxidation reaction for excrement pulp liquid, kills bacterium and breaks space between cells,
It is ready for deep dehydration, the slurries after reaction cool down；
Anaerobic fermentation: the slurries of cooling carry out intermediate temperature anaerobic fermentation reaction, generate biogas；
Dehydration and drying: fermentation completes slurries and carries out dehydration and drying, realizes the separation of biogas residue and biogas slurry.
7. a kind of feces of livestock and poultry method of disposal for taking into account energy and Fertilizer Transformed according to claim 6, which is characterized in that also
The following steps are included:
Biogas treatment: the biomass burner hearth that the biogas of generation is sent into steam supply burns；
Biogas slurry treatment: concentration is carried out to the biogas slurry after separation, the concentrate of acquisition is for producing foliar fertilizer；The excrement slurry
Permeate when with water being biogas slurry treatment when changing liquid configuration after concentration and separation；
Biogas residue processing: biogas residue is mixed after carrying out mechanical compression dehydration with biomass hearth combustion deslagging (plant ash rich in potassium)
Conjunction, which is mixed, is made organic fertilizer.
8. a kind of feces of livestock and poultry method of disposal for taking into account energy and Fertilizer Transformed according to claim 6, which is characterized in that institute
The usual pressure increase of critical oxidation reaction is stated to 0.5MPa, medium temperature is heated to 140~160 DEG C.
9. a kind of feces of livestock and poultry method of disposal for taking into account energy and Fertilizer Transformed according to claim 6, which is characterized in that right
Slurries after critical oxidation reaction carry out waste heat recycling and realize slurries cooling, are faced using recovery waste heat in excrement pulp liquid
Lockup temperature is carried out before boundary's water oxidation reaction, is heated using power station steam as heat source；Temperature needed for intermediate temperature anaerobic fermentation
From biomass electric power plant waste heat.
10. a kind of feces of livestock and poultry method of disposal for taking into account energy and Fertilizer Transformed according to claim 6, which is characterized in that
The intermediate temperature anaerobic fermentation technique is fermented using the full-mixing type anaerobic digestion process of mesophilic digestion, and anaerobic fermentation design stops
Time is 10 days, and anaerobic fermentation Chi10Tai is arranged, and every volume is 360m3, sets blender inside to improve mass-transfer efficiency and abolish
Dross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651856.8A CN110420967A (en) | 2019-07-18 | 2019-07-18 | A kind of feces of livestock and poultry disposal system and method for taking into account energy and Fertilizer Transformed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112958010A (en) * | 2021-03-14 | 2021-06-15 | 北京四维天拓技术有限公司 | Semi-continuous type hydrothermal cracking system fertilizer system |
| CN114763310A (en) * | 2021-01-15 | 2022-07-19 | 天津大学 | Livestock and poultry manure treatment equipment suitable for small and medium-sized farms and treatment method thereof |
| CN114906805A (en) * | 2022-07-15 | 2022-08-16 | 河北富瑞慈空气净化科技有限公司 | Device and method for preparing hydrogen by cracking waste plastics and purifying biogas |
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2019
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114763310A (en) * | 2021-01-15 | 2022-07-19 | 天津大学 | Livestock and poultry manure treatment equipment suitable for small and medium-sized farms and treatment method thereof |
| CN112958010A (en) * | 2021-03-14 | 2021-06-15 | 北京四维天拓技术有限公司 | Semi-continuous type hydrothermal cracking system fertilizer system |
| CN114906805A (en) * | 2022-07-15 | 2022-08-16 | 河北富瑞慈空气净化科技有限公司 | Device and method for preparing hydrogen by cracking waste plastics and purifying biogas |
| CN114906805B (en) * | 2022-07-15 | 2022-11-04 | 河北富瑞慈空气净化科技有限公司 | Device and method for preparing hydrogen by cracking waste plastics and purifying biogas |
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