CN105400824A - Anaerobic digestion method for kitchen waste - Google Patents
Anaerobic digestion method for kitchen waste Download PDFInfo
- Publication number
- CN105400824A CN105400824A CN201510926698.4A CN201510926698A CN105400824A CN 105400824 A CN105400824 A CN 105400824A CN 201510926698 A CN201510926698 A CN 201510926698A CN 105400824 A CN105400824 A CN 105400824A
- Authority
- CN
- China
- Prior art keywords
- solid
- reactor body
- waste
- anaerobic
- digestion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000029087 digestion Effects 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 63
- 239000010806 kitchen waste Substances 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 238000006243 chemical reaction Methods 0.000 claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000007791 liquid phase Substances 0.000 claims abstract description 36
- 238000003746 solid phase reaction Methods 0.000 claims abstract description 35
- 239000002699 waste material Substances 0.000 claims abstract description 25
- 238000002386 leaching Methods 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 14
- 239000010794 food waste Substances 0.000 claims description 49
- 238000010671 solid-state reaction Methods 0.000 claims description 34
- 238000007654 immersion Methods 0.000 claims description 31
- 239000007787 solid Substances 0.000 claims description 31
- 239000004744 fabric Substances 0.000 claims description 26
- 239000000945 filler Substances 0.000 claims description 25
- 230000001079 digestive effect Effects 0.000 claims description 22
- 239000002910 solid waste Substances 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 239000010813 municipal solid waste Substances 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 5
- 230000000050 nutritive effect Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 230000001580 bacterial effect Effects 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 239000007790 solid phase Substances 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 5
- 241000894007 species Species 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 235000013305 food Nutrition 0.000 description 3
- 238000007037 hydroformylation reaction Methods 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000019476 oil-water mixture Nutrition 0.000 description 2
- 235000019198 oils Nutrition 0.000 description 2
- 239000010773 plant oil Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000010909 process residue Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- CVLRKUDJHRPYIE-UHFFFAOYSA-M [O-]C(O)=O.OC(O)=O.OC(O)=O.OC(O)=O.N.[Na+] Chemical compound [O-]C(O)=O.OC(O)=O.OC(O)=O.OC(O)=O.N.[Na+] CVLRKUDJHRPYIE-UHFFFAOYSA-M 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007483 microbial process Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 229940038773 trisodium citrate Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/34—Internal compartments or partitions
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/18—External loop; Means for reintroduction of fermented biomass or liquid percolate
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/26—Conditioning fluids entering or exiting the reaction vessel
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
Abstract
The invention discloses an anaerobic digestion method for kitchen waste. A solid phase reaction region and a liquid phase reaction region are arranged in a reactor main body of an anaerobic digestion device. An air outlet, a backflow water inlet and a temperature measuring opening are arranged in the top of the reactor. A spray head is arranged under the backflow water inlet. A water outlet is arranged under the liquid phase reaction region. A water inlet and a mude discharge pipe are arranged at the bottom of the reactor. Solid-phase residues and liquid-phase waste liquid in kitchen waste can be subjected to an anaerobic digestion fully through modes of alternative operation of immersed anaerobic digestion and a leaching reaction during anaerobic digestion of kitchen waste, kitchen waste is processed at the greatest extent, and maximum resource processing is achieved.
Description
The application is application number is 201410178288.1, and the applying date is on April 29th, 2014, and invention and created name is the divisional application of the application for a patent for invention of " anaerobic digestion device of changing food waste and digestion method ".
Technical field
The present invention relates to a kind of anaerobic digester system, be specifically related to a kind of anaerobic digestion process of changing food waste.
Background technology
Changing food waste refers to family, school, office, the food waste of canteen and catering industry, food and drink residuum, food-processing waste material and the animal-plant oil that can not eat again and all kinds of oil-water mixture, is a part for domestic waste.Current domestic rubbish from cooking processing mode is mainly based on landfill together with domestic refuse, burning disposal, landfill disposal mode can reduce the working life of landfill yard, and for burning disposal mode, China only has the flourishing city of the minorities such as Shenzhen to have employed garbage incineration technology, and also fails effectively to control to burning the obnoxious flavour such as Dioxins, oxynitride, sulfurous gas, dust, waste water etc. that produce.In order to realize the Sustainable development of resource, more effective processing mode must be found, realizing the efficient resource of rubbish from cooking, great meaning is produced to the ecnomics and enviroment development of China.
Anaerobic digestion is a series of processes of microorganism decomposing organism degradation material when there is not oxygen.Biodegradable material comprises waste paper, changing food waste, high concentrated organic wastewater, animal excrements and Liquid wastes etc.Anaerobic digestion is suitable for processing moistening organic materials, is widely used in the process of organic waste.
Such as Chinese patent literature CN102939369A(application number 201080063847.4) disclose a kind of anaerobic reactor, reactor is the form of tank, is separated into the room of separation by solid parts.Each room comprises feed distribution system, packed bed and the device for biogas and liquid discharge.During use, charging is dispensing by the base portion of each room by feed distribution system substantially equably.Each stacking reaction chamber preferably comprises mixing space, and it contains or be suitable for containing feeding line or feed distribution system.Feed distribution system is exercisable charging to be sent and be dispensed to the base portion of room and it mixed with anaerobic bacterium.Above mixing space, the packed bed with upper filling grid and lower filling grid is set usually.Packed bed comprises filled media and anaerobic bacterium.By the anaerobic bacterium included by indoor, the charging in mixing space is mainly converted to voltaile fatty acid, hydrogen and carbonic acid gas.Any applicable filled media all can use in packed bed.In order to provide applicable environment for methane-producing bacteria, filled media has high surface area volume ratio.But this anaerobic reactor structure is more complicated, during operation, the outflow that flows to of material controls loaded down with trivial details.
Summary of the invention
Technical problem to be solved by this invention is to provide the anaerobic digestion process of the changing food waste that a kind of structure is simple, digestible degree is high.
The technical scheme realizing the object of the invention is a kind of anaerobic digestion device of changing food waste, comprises reactor body, upper cover, recycle pump, hydraulic pipe-line, water return pipeline, control valve and former pond; Recycle pump is bidirectional circulating pump; Upper cover is arranged on the top of reactor body, the cavity of sealed reactor body interior; Waste liquid in former pond to be delivered to the water-in bottom reactor body by hydraulic pipe-line by recycle pump, and the reaction solution of reactor body inside is sent into inside reactor from top backflow by water return pipeline by recycle pump.
The inside of reactor body is provided with solid state reaction district and liquid phase reaction district, and the bottom of reactor body is provided with bottom mud discharging mouth; Liquid phase reaction district comprises the filler between upper and lower screen cloth and two screen clothes; The top of the upper screen cloth that solid state reaction district is positioned at, the bottom in solid state reaction district is provided with mud discharging mouth.
Cover on above-mentioned and be provided with air outlet, backflow water-in and temperature-measuring port; Air outlet is connected with escape pipe, and escape pipe is connected with gas reservoir; Backflow water-in is connected with the water outlet of water return pipeline; The temperature probe of the temperature being used for detection reaction device body interior is set in temperature-measuring port.
Described hydraulic pipe-line comprises the first pipeline, second pipe, the 3rd pipeline, the 4th pipeline and water inlet pipe successively according to the flow direction of liquid, the water-in of the first pipeline is positioned at below the liquid level in former pond, the water outlet of the first pipeline is connected with the right interface of the first threeway, the left interface of the first threeway is connected with the feed-water end of second pipe, the water side of second pipe is connected with the right side port of recycle pump, the left side port of recycle pump is connected with the feed-water end of the 3rd pipeline, the water side of the 3rd pipeline is connected with the right interface of the second threeway, the upper interface of the second threeway is connected with the feed-water end of the 4th pipeline, the water side of the 4th pipeline is connected with the feed-water end of water inlet pipe, the water side of water inlet pipe is stretched in reactor body from the bottom of reactor body, the water side of water inlet pipe connects water distributor.
Described water return pipeline comprises rising pipe, the 5th pipeline, the 6th pipeline, the 7th pipeline and the 8th pipeline successively according to the flow direction of liquid; The water inlet port of rising pipe is positioned at the lower end in liquid phase reaction district, the water outlet of rising pipe is connected with the water-in of the 5th pipeline, the water outlet of the 5th pipeline is connected with the left interface of the 3rd threeway, and the right interface of the 3rd threeway is connected with the 6th pipeline, and the water outlet of the 6th pipeline connects container for storing liquid; The lower interface of the 3rd threeway is connected with the water-in of the 7th pipeline, the water outlet of the 7th pipeline is connected with the left interface of the second threeway, 7th pipeline is connected with the left side port of recycle pump by the 3rd pipeline of the second threeway, hydraulic pipe-line, the right side port of recycle pump is connected with the water-in of the first threeway with the 8th pipeline by the second pipe of hydraulic pipe-line, the water outlet of the 8th pipeline is connected with the feed-water end of backflow water inlet pipe, and the water side of backflow water inlet pipe is stretched in reactor body from upper cover.
The anaerobic digestion device of changing food waste as above carries out an anaerobic digestion process to changing food waste, comprises the following steps:
1. tamed strain, the bacterial classification after domestication is attached on filler.
2. the solid-liquid separation of changing food waste, carries out solid-liquid separation by changing food waste, and the solid content being separated the Solid Waste obtained is 70% ~ 80%, stores at former mud sump; Liquid phase rubbish and waste liquid store in former pond pending.
3. the filling of material, opens the upper cover at reactor body top, and will fill full step filler 1. between the upper and lower screen cloth in liquid phase reaction district, anaerobic species is attached to filler inside; Then be transferred to above upper screen cloth by the Solid Waste in former mud sump, the placing height of Solid Waste is 1/5 ~ 2/5 of reactor body height, covers upper cover after Solid Waste filling.
4. the anaerobic digestion of changing food waste, the anaerobic digestion process of kitchen rubbish is always consuming time is 24 ~ 42 days, and be made up of 3 ~ 5 digestion periods, each digestion period comprises immersion type anaerobic digestive process and leaching reaction process successively; Waste liquid submergence Solid Waste in immersion type anaerobic digestive process; Reaction solution in leaching reaction process in liquid phase reaction district is delivered to the top of reactor body by water return pipeline, and reaction solution spray is above the solid refuse in solid state reaction district; The anaerobic digestion process of changing food waste is completed after 3 ~ 5 digestion periods terminate.
Above-mentioned steps 1. domesticated strain time, getting solid content is in the former mud loading cultivation pool in the anaerobic pond of the municipal sewage plant of 5% ~ 7%, filler is put in cultivation pool, former mud submerged carriers in cultivation pool, during domesticated strain, nutritive medium is added, strain domestication 10 ~ 15d at 33 DEG C ~ 37 DEG C in cultivation pool.
Above-mentioned steps 4. anaerobic digestion of kitchen wastes time, when carrying out the immersion type anaerobic digestive process of first digestion period, open the control valve on hydraulic pipe-line, close the control valve on water return pipeline; Open recycle pump, waste liquid in former pond is sent in reactor body from the water inlet pipe bottom reactor body by recycle pump, treats the top of the solid refuse in liquid level submergence solid state reaction district, closes recycle pump, start immersion type anaerobic process, immersion type anaerobic process continues 4 ~ 7 days;
After immersion type anaerobic digestive process terminates, close the control valve on hydraulic pipe-line, open the control valve on water return pipeline; Open recycle pump, reaction solution in liquid phase reaction district is delivered to the top of reactor body by recycle pump by water return pipeline, reaction solution spray is above the solid refuse in solid state reaction district, and the solid refuse in solid state reaction district carries out leaching reaction 4 ~ 7 days, completes the one-period of anaerobic digestion;
When carrying out the immersion type anaerobic digestive process of second digestion period, close the 3rd control valve on recycle pump and water return pipeline and the 5th control valve; Mud in reactor body carries out immersion type anaerobic process, continues 4 ~ 7 days;
After the immersion type anaerobic digestive process of second digestion period terminates, open the 3rd control valve on water return pipeline and the 5th control valve; Open recycle pump, reaction solution in liquid phase reaction district is delivered to the top of reactor body by recycle pump by water return pipeline, reaction solution spray is above the solid refuse in solid state reaction district, the solid refuse in solid state reaction district carries out leaching reaction 4 ~ 7 days, thus completes the anaerobic digestion process of the second period of changing food waste;
3rd digestion period is identical with second digestion period to the step of the 5th digestion period.
The present invention has positive effect: (1) slaking apparatus of the present invention is by arranging bidirectional circulating pump, in the starting stage of anaerobic digestion, the liquid in pending changing food waste is sent into reactor body from the bottom water-in of reactor body inner, after anaerobic digestion for some time, the rising pipe of the liquid of reactor body inside from reactor body bottom is extracted out, then be delivered to the top of reactor, the solid state reaction district from the top of reactor to reactor body inside sprays.A bidirectional circulating pump completes the Liquid transfer of reaction system, and whole reaction unit structure is simple, easy construction and easy to operate.
(2) anaerobic digestion process of changing food waste of the present invention is when carrying out anaerobic digestion to changing food waste, first changing food waste is carried out Solid-Liquid Separation, is stored by Solid Waste at former mud sump, and liquid phase rubbish and waste liquid store in former pond, pending Solid Waste is transferred to the solid reaction district of the reactor body of slaking apparatus in advance, waste liquid in former pond is delivered to the Solid Waste of the inner immersion solid reaction zone of reactor body by recycle pump, after anaerobic digestion for some time, again the reaction solution in reactor body is extracted out from reactor body bottom from top spray in solid state reaction district, the mode of alternate run is reacted by immersion type anaerobic digestion and leaching, the solid phase residue of changing food waste and liquid phase waste liquid can be made all to be able to abundant anaerobic digestion reaction, processed at utmost to make changing food waste, realize maximum recycling treatment.These apparatus and method are except process changing food waste simultaneously, also can process the organic solid castoff such as chicken manure, municipal sludge.
Accompanying drawing explanation
Fig. 1 is the structural representation of anaerobic digestion device of the present invention;
Mark in above-mentioned accompanying drawing is as follows: reactor body 1, solid state reaction district 11, mud discharging mouth 11-1, liquid phase reaction district 12, screen cloth 12-1, filler 12-2, bottom mud discharging mouth 13;
Upper cover 2, escape pipe 21, backflow water inlet pipe 22, spray header 23, temperature probe 24;
Recycle pump 3;
Hydraulic pipe-line 4, the first pipeline 41, second pipe 42, the 3rd pipeline the 43, four pipeline 44; Water inlet pipe 45, water distributor 45-1,
Water return pipeline 5, rising pipe 51, the 5th pipeline the 52, six pipeline the 53, seven pipeline the 54, eight pipeline 55;
First control valve 61, second control valve the 62, three control valve the 63, four control valve the 64, five control valve 65;
Former pond 7.
Embodiment
(anaerobic digestion device of embodiment 1, changing food waste)
See Fig. 1, the anaerobic digestion device of the changing food waste of the present embodiment comprises reactor body 1, upper cover 2, recycle pump 3, hydraulic pipe-line 4, water return pipeline 5, control valve and former pond 7.Upper cover 2 is arranged on the top of reactor body 1, the cavity of sealed reactor main body 1 inside.Waste liquid in former pond 7 is delivered to the water-in of reactor body 1 by recycle pump 3 by hydraulic pipe-line 4, the reaction solution of reactor body 1 inside is refluxed by water return pipeline 5 and sends into reactor 1 inside by recycle pump 3 above reactor.
The inside of reactor body 1 is provided with solid state reaction district 11 and liquid phase reaction district 12, and the bottom of reactor body 1 is provided with bottom mud discharging mouth 13.Described liquid phase reaction district 12 is arranged on the bottom of the internal cavities of reactor body 1, and solid state reaction district 11 is positioned at the top in liquid phase reaction district 12.
Liquid phase reaction district 12 comprises the filler 12-2 between upper and lower screen cloth 12-1 and two screen cloth.Distance bottom lower screen cloth 12-1 distance reactor body 1 is 1/10 ~ 1/5 of reactor body 1 height.Distance between upper screen cloth and lower screen cloth is 2/5 ~ 3/5 of reactor body 1 height.Upper screen cloth and lower screen cloth all adopt 304 stainless materials to make, and the order number of upper screen cloth and lower screen cloth is 500 orders.
Filler 12-2 fills the space between full upper and lower screen cloth 12-1.Attached biological film on filler 12-2, comprises anaerobic species in filler, and in order to provide applicable growing environment to anaerobic species, the material selected by filler 12-2 has high surface area/volume ratio.Filler 12-2 selected by the present embodiment protects the bio-film colonization combined stuffing of instrument factory purchased from the permanent ring of light of the Yixing City height path between fields, filler is made up of half soft high molecular polymer and soft hydroformylation polyvinyl silk, and soft hydroformylation polyvinyl silk is compressed on half soft high molecular polymer inner ring.After described microbial film is through and cultivates domestication, be attached to the microbial film on filler, when filler starting biofilm from the soft-filler hydroformylation polyvinyl at edge biofilm, after one week, microbial film will extend on inner ring semi soft packing, make soft and half softly all to tell on, finally reaching good treatment effect.
Upper screen cloth 12-1 is fixed on the inside of reactor body 1 by the hook of more than 4 or 4 of spaced set on the inwall of reactor body 1, and the fixed form of lower screen cloth 12-1 is identical with upper screen cloth 12-1.
Solid state reaction district 11 is positioned at the top of upper screen cloth 12-1.The height in solid state reaction district 11 is 1/5 ~ 2/5 of reactor body 1 height.The bottom in solid state reaction district 11 is provided with mud discharging mouth 11-1, and mud discharging mouth 11-1 is positioned at the top of upper screen cloth 12-1.
Upper cover 2 is provided with air outlet, backflow water-in and temperature-measuring port.Air outlet is connected with escape pipe 21, and escape pipe 21 is connected with gas reservoir.Backflow water-in is connected with backflow water inlet pipe 22, and the water outlet of backflow water inlet pipe 22 arranges spray header 23.Temperature probe 24 is set in temperature-measuring port, for the temperature of detection reaction device main body 1 inside.
Recycle pump 3 is bidirectional circulating pump, and bidirectional circulating pump used in the present embodiment is the bidirectional circulating pump of the JL350-2J model of Baoding LanGe constant flow pump Co., Ltd.
Described hydraulic pipe-line 4 comprises the first pipeline 41, second pipe 42, the 3rd pipeline 43, the 4th pipeline 44 and water inlet pipe 45 successively according to the flow direction of liquid.The water-in of the first pipeline 41 is positioned at below the liquid level in former pond 7, the water outlet of the first pipeline 41 is connected with the right interface of the first threeway, the left interface of the first threeway is connected with the feed-water end of second pipe 42, the water side of second pipe 42 is connected with the right side port of recycle pump 3, the left side port of recycle pump 3 is connected with the feed-water end of the 3rd pipeline 43, the water side of the 3rd pipeline 43 is connected with the right interface of the second threeway, the upper interface of the second threeway is connected with the feed-water end of the 4th pipeline 44, the water side of the 4th pipeline 44 is connected with the feed-water end of water inlet pipe 45, the water side of water inlet pipe 45 is stretched in reactor body 1 from the bottom of reactor body 1, the water side of water inlet pipe 45 connects water distributor 45-1.
Described water return pipeline 5 comprises rising pipe 51, the 5th pipeline 52, the 6th pipeline 53, the 7th pipeline 54 and the 8th pipeline 55 successively according to the flow direction of liquid.The water inlet port of rising pipe 51 is positioned at the lower end in liquid phase reaction district 12, the water outlet of rising pipe 51 is connected with the water-in of the 5th pipeline 52, the water outlet of the 5th pipeline 52 is connected with the left interface of the 3rd threeway, the right interface of the 3rd threeway is connected with the 6th pipeline 53, and the water outlet of the 6th pipeline 53 connects container for storing liquid; The lower interface of the 3rd threeway is connected with the water-in of the 7th pipeline 54, the water outlet of the 7th pipeline 54 is connected with the left interface of the second threeway, 7th pipeline 54 is connected with the left side port of recycle pump 3 by the 3rd pipeline 43 of the second threeway, hydraulic pipe-line 4, the right side port of recycle pump 3 is connected with the water-in of the first threeway with the 8th pipeline 55 by the second pipe 42 of hydraulic pipe-line 4, the water outlet of the 8th pipeline 55 is connected with the feed-water end of backflow water inlet pipe 22, and the water side of backflow water inlet pipe 22 is stretched in reactor body 1 from upper cover 2.
Water return pipeline 5 shares one section of pipeline with hydraulic pipe-line 4, can simplify piping design, saves initial cost.
Control valve comprises the first control valve 61, second control valve 62, the 3rd control valve 63, the 4th control valve 64 and the 5th control valve 65, is separately positioned on corresponding pipeline.Wherein the first control valve 61 is arranged on the first pipeline 41 of hydraulic pipe-line 4, second control valve 62 is arranged on the water inlet pipe 45 of hydraulic pipe-line 4,3rd control valve 63 is arranged on the rising pipe 51 of water return pipeline 5,4th control valve 64 is arranged on the 6th pipeline 53 of water return pipeline 5, and the 5th control valve 65 is arranged on the 8th pipeline 55 of water return pipeline 5.
Slaking apparatus of the present invention is by arranging bidirectional circulating pump, liquid in pending changing food waste can be sent into reactor body from the bottom water-in of reactor body in the starting stage of anaerobic digestion inner, after anaerobic digestion for some time, again the rising pipe of the liquid of reactor body inside from reactor body bottom is extracted out, then be delivered to the top of reactor, the solid state reaction district from the top of reactor to reactor body inside sprays.A bidirectional circulating pump completes the Liquid transfer of reaction system, and whole reaction unit piping design is succinct, and structure is simple, easy construction and easy to operate.
Slaking apparatus of the present invention arranges solid state reaction district 11 and liquid phase reaction district 12 at the interior separation of reactor body 1, instead of it is direct in the inner anaerobic digestion of reactor body 1 after changing food waste is mixed with bacterial classification, liquid phase waste is made to have higher digestive efficiency, solid phase waste also can fully be digested simultaneously, to improve waste entirety digestion factor of created gase, there is solid phase liquid phase easily separated simultaneously, react advantage thoroughly.
(anaerobic digestion process of embodiment 2, changing food waste)
The device that the anaerobic digestion process of the changing food waste of the present embodiment is used is the anaerobic digestion device described in embodiment 1.
The anaerobic digestion process of the changing food waste of the present embodiment comprises the following steps:
1. tamed strain.Getting solid content is in the former mud loading cultivation pool in the anaerobic pond of the municipal sewage plant of 5% ~ 7%, filler 12-2 is put in cultivation pool, former mud submerged carriers 12-2 in cultivation pool, during domesticated strain, for meeting the demand of microorganism growth in cultivation pool, in cultivation pool, add the nutritive medium that nutritive element glucose, N, P and micro-Fe, Co, Ni are mixed with, in the former mud of every 1kg, add the nutrient solution of 10L; Strain domestication 10 ~ 15d under middle temperature (35 ± 2 DEG C) condition.Domestication terminates the anaerobic species that rear filler 12-2 obtains after attachment domestication.
In described nutrient solution, every 1L nutrient solution contains 1.03g glucose, 1g sodium bicarbonate nitrogen, 0.26g ammonium chloride, 45mg magnesium sulfate, 30mg dipotassium hydrogen phosphate, 25mg Trisodium Citrate, 15mg calcium chloride, 1mg single nickel salt, 4mg iron trichloride etc.
2. the solid-liquid separation of changing food waste.The food waste of family, school, office, canteen and catering industry, food and drink residuum, food-processing waste material and the animal-plant oil that can not eat again and all kinds of oil-water mixture are sent in three-phase screw extrusion water extracter and carries out solid-liquid separation, the solid content being separated the Solid Waste obtained is 70% ~ 80%, stores at former mud sump; Liquid phase rubbish and waste liquid store in former pond 7 pending.
1. 2. the time goes up dividing without priority to step with step.
3. the filling of material.Open the upper cover 2 at reactor body 1 top, will fill the full filler 12-2 taken out from step cultivation pool 1. between the upper and lower screen cloth in liquid phase reaction district 12, it is inner that anaerobic species is attached to filler 12-2; Then be transferred to above upper screen cloth by the Solid Waste in former mud sump, the placing height of Solid Waste is 1/5 ~ 2/5 of reactor body 1 height.Upper cover 2 is covered after Solid Waste filling.
4. the anaerobic digestion of changing food waste.The anaerobic digestion process of changing food waste is always consuming time is 24 ~ 42 days, and be made up of 3 ~ 5 digestion periods, each cycle comprises immersion type anaerobic digestive process and leaching reaction process successively.Also be that in anaerobic digestion process, immersion type anaerobic digestive process and leaching reaction process hocket.
When carrying out the immersion type anaerobic digestive process of first digestion period, open the first control valve 61 and the second control valve 62 on hydraulic pipe-line 4, close the 3rd control valve 63, the 4th control valve 64 and the 5th control valve 65 on water return pipeline 5; Open recycle pump 3, waste liquid in former pond 7 is sent in reactor body 1 from the water inlet pipe 45 bottom reactor body 1 by recycle pump 3, treat the top of the solid refuse in liquid level submergence solid state reaction district 11, start the immersion type anaerobic digestive process of changing food waste, immersion type anaerobic process continues 4 ~ 7 days (being 5 days in the present embodiment).In immersion type anaerobic digestive process, redox potential ORP is-200 ~-350mv, and anaerobic digestion temperature is 35 ~ 40 DEG C.After immersion type anaerobic digestive process terminates, close the first control valve 61 and the second control valve 62 on hydraulic pipe-line 4, open the 3rd control valve 63 on water return pipeline 5 and the 5th control valve 65; Open recycle pump 3, reaction solution in liquid phase reaction district 12 is delivered to the top of reactor body 1 by recycle pump 3 by water return pipeline 5, reaction solution spray is above the solid refuse in solid state reaction district 11, the solid refuse in solid state reaction district 11 carries out leaching reaction 4 ~ 7 days (being 5 days in the present embodiment), thus completes the anaerobic digestion process of the one-period of changing food waste.In leaching process, redox potential ORP is-200 ~-350mv, and the temperature of solid refuse is 35 ~ 40 DEG C.
When carrying out the immersion type anaerobic digestive process of second digestion period, close the 3rd control valve 63 on recycle pump 3 and water return pipeline 5 and the 5th control valve 65; Mud in reactor body 1 carries out immersion type anaerobic process and continues 4 ~ 7 days (being 5 days in the present embodiment).
After the immersion type anaerobic digestive process of second digestion period terminates, open the 3rd control valve 63 on water return pipeline 5 and the 5th control valve 65; Open recycle pump 3, reaction solution in liquid phase reaction district 12 is delivered to the top of reactor body 1 by recycle pump 3 by water return pipeline 5, reaction solution spray is above the solid refuse in solid state reaction district 11, the solid refuse in solid state reaction district 11 carries out leaching reaction 4 ~ 7 days (being 5 days in the present embodiment), thus completes the anaerobic digestion process of the second period of changing food waste.
3rd digestion period is identical with second digestion period to the step of the 5th digestion period.The present embodiment comprises three digestion periods.
After the anaerobic digestion of changing food waste terminates, close recycle pump 3, postdigestive solid refuse is discharged by the mud discharging mouth 11-1 opened below solid state reaction district 11, and postdigestive solid refuse can be used for view, forest land and agricultural fertilizer after killing pathogenic bacteria.Open the 3rd control valve 63 on water return pipeline 5 and the 4th control valve 64, reaction solution is discharged reactor body, and postdigestive reaction solution organic concentration reduces greatly, enters after plant area's sewage treatment facility processes further, can sewer line be entered, enter the unified process of sewage work.
The methane produced in anaerobic digestion process is collected in gas reservoir after discharging from escape pipe 21.
The mode that the present embodiment is reacted by immersion type anaerobic digestion and leaching, changing food waste mud is transferred to clean energy by anaerobically fermenting by microbial process under making the anaerobic condition of changing food waste---methane, not only can solve the handling problems of changing food waste, also can reduce the dependence to fossil oil to a certain extent, and then reduce the problem of environmental pollution owing to using fossil oil to cause.Significant economy and environment ecological benefits can be brought for society, advocating Green Chemistry, clean the 21 century of chemical industry there is extremely tempting application prospect.
(application examples 1)
Get the changing food waste of school lunch service, before not carrying out Anaerobic Digestion, detecting liquid phase waste liquid COD value is 120000mg/L; After carrying out Anaerobic Digestion according to the method for embodiment 2, the COD value of waste liquid drops to 6000 ~ 8000mg/L, postdigestive solid refuse loss of weight more than 88%.Collection obtains methane 562.21L.
As a comparison, get the changing food waste 1kg of school lunch service equally, before not carrying out Anaerobic Digestion, liquid phase waste liquid COD value is 120000mg/L.When carrying out anaerobic digestion, directly directly mixed with the mud 0.3kg after domestication by changing food waste, the acclimation method of mud is 1. identical with the step of embodiment 2.Anaerobic digestion is after 30 days, and the COD value of waste liquid drops to 10000 ~ 13000mg/L.Collection obtains methane 489.12L.
Therefore the liquid phase waste that slaking apparatus of the present invention and method make changing food waste solid-liquid separation obtain has higher digestive efficiency, and solid phase waste also can fully be digested simultaneously, and waste entirety digestion gas production rate improves.
Claims (1)
1. an anaerobic digestion process for changing food waste, is characterized in that: anaerobic digestion device used comprises reactor body (1), upper cover (2), recycle pump (3), hydraulic pipe-line (4), water return pipeline (5), control valve and former pond (7); Upper cover (2) is provided with air outlet, backflow water-in and temperature-measuring port; Air outlet is connected with escape pipe (21), and escape pipe (21) is connected with gas reservoir; Backflow water-in is connected with the water outlet of water return pipeline (5); The temperature probe (24) being used for the inner temperature of detection reaction device main body (1) is set in temperature-measuring port; Recycle pump (3) is bidirectional circulating pump; Upper cover (2) is arranged on the top of reactor body (1), the cavity that sealed reactor main body (1) is inner; Waste liquid in former pond (7) is delivered to the water-in of reactor body (1) bottom by recycle pump (3) by hydraulic pipe-line (4), it is inner that reaction solution inner for reactor body (1) is sent into reactor (1) from top backflow by water return pipeline (5) by recycle pump (3);
The inside of reactor body (1) is provided with solid state reaction district (11) and liquid phase reaction district (12), and the bottom of reactor body (1) is provided with bottom mud discharging mouth (13); Liquid phase reaction district (12) comprises the filler (12-2) between upper and lower screen cloth (12-1) and two screen clothes; The top of the upper screen cloth that solid state reaction district (11) is positioned at, the bottom of solid state reaction district (11) is provided with mud discharging mouth (11-1);
Anaerobic digestion process comprises the following steps:
1. tamed strain, the bacterial classification after domestication is attached on filler (12-2); During domesticated strain, getting solid content is in the former mud loading cultivation pool in the anaerobic pond of the municipal sewage plant of 5% ~ 7%, filler (12-2) is put in cultivation pool, former mud submerged carriers (12-2) in cultivation pool, during domesticated strain, nutritive medium is added, strain domestication 10 ~ 15d at 33 DEG C ~ 37 DEG C in cultivation pool;
2. the solid-liquid separation of changing food waste, carries out solid-liquid separation by changing food waste, and the solid content being separated the Solid Waste obtained is 70% ~ 80%, stores at former mud sump; Liquid phase rubbish and waste liquid store in former pond (7) pending;
3. the filling of material, opens the upper cover (2) at reactor body (1) top, and will fill full step filler 1. (12-2) between the upper and lower screen cloth of liquid phase reaction district (12), it is inner that anaerobic species is attached to filler (12-2); Then be transferred to above upper screen cloth by the Solid Waste in former mud sump, the placing height of Solid Waste is 1/5 ~ 2/5 of reactor body 1 height, covers upper cover (2) after Solid Waste filling;
4. the anaerobic digestion of changing food waste, the anaerobic digestion process of kitchen rubbish is always consuming time is 24 ~ 42 days, and be made up of 3 ~ 5 digestion periods, each digestion period comprises immersion type anaerobic digestive process and leaching reaction process successively; Waste liquid submergence Solid Waste in immersion type anaerobic digestive process; Reaction solution in leaching reaction process in liquid phase reaction district (12) is delivered to the top of reactor body (1) by water return pipeline (5), and reaction solution spray is above the solid refuse of solid state reaction district (11); The anaerobic digestion process of changing food waste is completed after 3 ~ 5 digestion periods terminate;
When carrying out the immersion type anaerobic digestive process of first digestion period, open the control valve on hydraulic pipe-line (4), close the control valve on water return pipeline (5); Open recycle pump (3), waste liquid in former pond (7) is sent in reactor body (1) from the water inlet pipe (45) of reactor body (1) bottom by recycle pump (3), treat the top of the solid refuse in liquid level submergence solid state reaction district (11), close recycle pump (3), start immersion type anaerobic process, immersion type anaerobic process continues 4 ~ 7 days;
After immersion type anaerobic digestive process terminates, close the control valve on hydraulic pipe-line (4), open the control valve on water return pipeline (5); Open recycle pump (3), reaction solution in liquid phase reaction district (12) is delivered to the top of reactor body (1) by recycle pump (3) by water return pipeline (5), reaction solution spray is above the solid refuse of solid state reaction district (11), the solid refuse in solid state reaction district (11) carries out leaching reaction 4 ~ 7 days, completes the one-period of anaerobic digestion;
When carrying out the immersion type anaerobic digestive process of second digestion period, close the 3rd control valve (63) on recycle pump (3) and water return pipeline (5) and the 5th control valve (65); Mud in reactor body (1) carries out immersion type anaerobic process, continues 4 ~ 7 days;
After the immersion type anaerobic digestive process of second digestion period terminates, open the 3rd control valve (63) on water return pipeline (5) and the 5th control valve (65); Open recycle pump (3), reaction solution in liquid phase reaction district (12) is delivered to the top of reactor body (1) by recycle pump (3) by water return pipeline (5), reaction solution spray is above the solid refuse of solid state reaction district (11), the solid refuse in solid state reaction district (11) carries out leaching reaction 4 ~ 7 days, thus completes the anaerobic digestion process of the second period of changing food waste;
3rd digestion period is identical with second digestion period to the step of the 5th digestion period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926698.4A CN105400824B (en) | 2014-04-29 | 2014-04-29 | The anaerobic digestion process of kitchen garbage |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926698.4A CN105400824B (en) | 2014-04-29 | 2014-04-29 | The anaerobic digestion process of kitchen garbage |
| CN201410178288.1A CN103923821B (en) | 2014-04-29 | 2014-04-29 | The anaerobic digestion device of changing food waste and digestion method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410178288.1A Division CN103923821B (en) | 2014-04-29 | 2014-04-29 | The anaerobic digestion device of changing food waste and digestion method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105400824A true CN105400824A (en) | 2016-03-16 |
| CN105400824B CN105400824B (en) | 2018-10-09 |
Family
ID=51142220
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510926698.4A Active CN105400824B (en) | 2014-04-29 | 2014-04-29 | The anaerobic digestion process of kitchen garbage |
| CN201510926206.1A Active CN105368710B (en) | 2014-04-29 | 2014-04-29 | The anaerobic digestion device of kitchen garbage |
| CN201410178288.1A Active CN103923821B (en) | 2014-04-29 | 2014-04-29 | The anaerobic digestion device of changing food waste and digestion method |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510926206.1A Active CN105368710B (en) | 2014-04-29 | 2014-04-29 | The anaerobic digestion device of kitchen garbage |
| CN201410178288.1A Active CN103923821B (en) | 2014-04-29 | 2014-04-29 | The anaerobic digestion device of changing food waste and digestion method |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105400824B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488140A (en) * | 2022-09-09 | 2022-12-20 | 中节能(肥西)环保能源有限公司 | System and method for treating kitchen garbage by coupling tidal fermentation percolation bed and efficient anaerobic reactor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886393A (en) * | 2014-09-09 | 2016-08-24 | 北京建筑大学 | Sequencing batch type dry anaerobic digestion device of kitchen wastes |
| DE102017131089B4 (en) | 2017-12-22 | 2022-06-30 | Jassen - Kunststoffzentrum Gmbh - Apparatebau, Zuschnitte Und Formung | Bioreactor and its use, method for producing an organic nutrient solution and organic nutrient solution |
| CN115159788B (en) | 2022-07-28 | 2023-10-27 | 常州大学 | Kitchen waste digestion device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057152A2 (en) * | 1981-01-28 | 1982-08-04 | SOCIETE GENERALE POUR LES TECHNIQUES NOUVELLES S.G.N. Société anonyme dite: | Anaerobic fermentation reactor with packing material |
| CN1296925A (en) * | 1999-11-18 | 2001-05-30 | 同济大学 | Process for treating percolate from garbage filling field |
| CN102492728A (en) * | 2011-12-02 | 2012-06-13 | 同济大学 | Rancidity-prone waste biogas utilization method based on in-subarea inoculation and quick start |
| CN102676373A (en) * | 2011-03-10 | 2012-09-19 | 苏州波塞顿节能环保工程有限公司 | Methane generator for cattle farms |
| CN103482819A (en) * | 2013-09-11 | 2014-01-01 | 北京工业大学 | Device and method for processing domestic wastewater by means of A2O and submerged biological filter |
| CN103555770A (en) * | 2013-11-06 | 2014-02-05 | 株洲市沙坡里农土产品深加工有限公司 | Method and device for processing agricultural byproducts and treating domestic wastes |
| CN103641268A (en) * | 2013-05-29 | 2014-03-19 | 中钢集团武汉安全环保研究院有限公司 | Two-stage bioreactor device and technology for treating garbage leachate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757890B (en) * | 2012-07-10 | 2015-04-22 | 北京大学深圳研究生院 | Anaerobic digestion treatment method and system of kitchen waste |
| CN203878143U (en) * | 2014-04-29 | 2014-10-15 | 江苏理工学院 | Anaerobic digestion device of kitchen wastes |
-
2014
- 2014-04-29 CN CN201510926698.4A patent/CN105400824B/en active Active
- 2014-04-29 CN CN201510926206.1A patent/CN105368710B/en active Active
- 2014-04-29 CN CN201410178288.1A patent/CN103923821B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057152A2 (en) * | 1981-01-28 | 1982-08-04 | SOCIETE GENERALE POUR LES TECHNIQUES NOUVELLES S.G.N. Société anonyme dite: | Anaerobic fermentation reactor with packing material |
| CN1296925A (en) * | 1999-11-18 | 2001-05-30 | 同济大学 | Process for treating percolate from garbage filling field |
| CN102676373A (en) * | 2011-03-10 | 2012-09-19 | 苏州波塞顿节能环保工程有限公司 | Methane generator for cattle farms |
| CN102492728A (en) * | 2011-12-02 | 2012-06-13 | 同济大学 | Rancidity-prone waste biogas utilization method based on in-subarea inoculation and quick start |
| CN103641268A (en) * | 2013-05-29 | 2014-03-19 | 中钢集团武汉安全环保研究院有限公司 | Two-stage bioreactor device and technology for treating garbage leachate |
| CN103482819A (en) * | 2013-09-11 | 2014-01-01 | 北京工业大学 | Device and method for processing domestic wastewater by means of A2O and submerged biological filter |
| CN103555770A (en) * | 2013-11-06 | 2014-02-05 | 株洲市沙坡里农土产品深加工有限公司 | Method and device for processing agricultural byproducts and treating domestic wastes |
Non-Patent Citations (1)
| Title |
|---|
| 张庆芳等: ""有机固体废弃物渗滤床高温干式厌氧发酵的中试研究"", 《中国沼气》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488140A (en) * | 2022-09-09 | 2022-12-20 | 中节能(肥西)环保能源有限公司 | System and method for treating kitchen garbage by coupling tidal fermentation percolation bed and efficient anaerobic reactor |
| CN115488140B (en) * | 2022-09-09 | 2024-02-20 | 中节能(肥西)环保能源有限公司 | System and method for treating kitchen waste by coupling tidal type fermentation percolating bed and efficient anaerobic reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105368710A (en) | 2016-03-02 |
| CN103923821B (en) | 2016-01-06 |
| CN105400824B (en) | 2018-10-09 |
| CN105368710B (en) | 2018-04-13 |
| CN103923821A (en) | 2014-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2784198C (en) | Anaerobic treatment system and device | |
| CN102864073B (en) | Device for dry and wet co-production of hydrogen and methane by using kitchen garbage and using method thereof | |
| CN103923821B (en) | The anaerobic digestion device of changing food waste and digestion method | |
| CN103408190B (en) | Sewage disposal system | |
| CN205222804U (en) | Kitchen garbage domestic sewage decomposes zero entirely and pollutes biochemical treatment equipment | |
| KR20130113561A (en) | Waste for energy production system | |
| CN102935442B (en) | Organic solid waste fermentation system | |
| CN102628016A (en) | Totally enclosed water-gas linkage intermittent internal rotation anaerobic digestion device with constant temperature for house refuse | |
| CN101629139B (en) | Large-scale solar energy medium-temperature solid-liquid anaerobic fermentation and gas storage device | |
| CN105647786A (en) | Kitchen waste anaerobic-high temperature microaerobic digestion device and method | |
| CN203878143U (en) | Anaerobic digestion device of kitchen wastes | |
| CN209652190U (en) | The fermentation of stalk waste takes thermal | |
| CN201006862Y (en) | Device for preparing ecological fertilizer using animals faeces | |
| CN102935443B (en) | Honeycomb-type organic solid waste fermentation system | |
| CN103497013B (en) | Fermentation treatment apparatus for waste in controlled airtight cabin | |
| CN103272823A (en) | Air cushion organic solid refuse bag body fermentation system | |
| CN202527457U (en) | Domestic garbage totally-enclosed water-gas linked intermittent internal rotation constant-temperature anaerobic digestion device | |
| CN112553053A (en) | Device and method for co-producing gas fertilizer in integrated methane tank | |
| CN206256064U (en) | A kind of domestic garbage treating system | |
| CN203265236U (en) | Air cushion type organic solid waste bag body fermentation system | |
| RU2646873C1 (en) | Method for obtaining biogas and fertilizers from pig waste dropping with a vertical cylindrical tank | |
| CN206654781U (en) | Batch-type microorganism hatching system | |
| CN214244406U (en) | Integrated gas fertilizer co-production device for methane tank | |
| CN203842914U (en) | Organic solid waste fermentation equipment | |
| CN203018434U (en) | Cellular organic solid waste fermenting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 1801 Zhong Wu Avenue, Changzhou, Jiangsu Province, Jiangsu Patentee after: Jiangsu University of Technology Address before: 213001 1801 Zhong Wu Avenue, Zhong Lou District, Changzhou, Jiangsu Patentee before: Jiangsu University of Technology |
|
| CP02 | Change in the address of a patent holder |