CN108620417A - A kind of processing method of changing food waste into resources - Google Patents
A kind of processing method of changing food waste into resources Download PDFInfo
- Publication number
- CN108620417A CN108620417A CN201810446401.8A CN201810446401A CN108620417A CN 108620417 A CN108620417 A CN 108620417A CN 201810446401 A CN201810446401 A CN 201810446401A CN 108620417 A CN108620417 A CN 108620417A
- Authority
- CN
- China
- Prior art keywords
- solid
- black soldier
- soldier flies
- food waste
- biogas
- 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.)
- Pending
Links
- 239000010794 food waste Substances 0.000 title claims abstract description 14
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 31
- 241001481656 Stratiomyidae Species 0.000 claims abstract description 30
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000855 fermentation Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 230000004151 fermentation Effects 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000001228 trophic Effects 0.000 claims description 8
- 239000012071 phase Substances 0.000 claims 4
- 239000004519 grease Substances 0.000 claims 1
- 239000007791 liquid phase Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 4
- 235000016709 nutrition Nutrition 0.000 abstract description 2
- 230000035764 nutrition Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 239000002361 compost Substances 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 244000052616 bacterial pathogens Species 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000036740 Metabolism Effects 0.000 description 1
- 210000004681 Ovum Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001963 growth media Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002609 media Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000035786 metabolism Effects 0.000 description 1
- 230000002906 microbiologic Effects 0.000 description 1
- 238000009629 microbiological culture Methods 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000009374 poultry farming Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Abstract
The invention discloses a kind of processing method of changing food waste into resources.Kitchen garbage is separated by solid-liquid separation and is pre-processed by large aperture slanted screen net first, solid is cultivated for black soldier flies, liquid further completes water-oil separating, water phase obtains biogas after depth anaerobic fermentation, remaining biogas slurry is added in solid for adjusting solid aqueous rate, and oil phase, which is added in solid, balances nutriment nutrition.Obtained biogas enters in gas-fired oven for drying the fresh worm of black soldier flies, it can also be used to cross the drying of wet solid.Recycling Food waste treatment method of the present invention can utilize kitchen garbage to cultivate black soldier flies, and the drying of fresh worm is completed using rubbish fermentation product, it is almost not necessarily to be additionally provided the energy in garbage processing procedure, has both advantage environmentally friendly, energy saving, that resource utilization rate is high.
Description
Technical field
The invention belongs to field of garbage disposal, and in particular to a kind of processing method of changing food waste into resources.
Background technology
Kitchen garbage processing is a big difficult point in waste treatment and disposal field.Compared to house refuse, kitchen garbage has aqueous
The features such as rate and oil content are high, and the content of organic matter is high causes kitchen garbage to be difficult with the side such as traditional landfill, burning, destructive distillation
Formula processing.It is a kind of good microbiological culture media and because kitchen garbage nutritional ingredient is higher, is easy to grow all kinds of diseases such as bacterium
Pathogenic microorganism controls the improper medium that can become various diseases propagation, increases the risk of crowd's illness.
Existing Method of Food Wastes Disposal includes mainly aerobic compost and anaerobic fermentation.Wherein, aerobic compost is mainly sharp
The decomposition that organic matter in kitchen garbage is realized with the metabolism of aerobic microbiological converts it into organic fertilizer, but because fertilizer goes out
Road problem does not obtain extensive development at home；Anaerobic fermentation refers to utilizing the physiology of anaerobe in oxygen-free environment
Effect, by the organic matter decomposition in kitchen garbage at flammable biogas, and is used to biogas.Although the obtained biogas of anaerobic fermentation
It can be used for fuel, and also killed most of pathogenic microorganism after anaerobic fermentation, but is big because still having after anaerobic fermentation
Amount biogas residue need to be further processed, and still contain high moisture content in biogas residue, and existing biogas residue landfill disposal mode is easily made
At leachate contamination, because of the high reason of its moisture content, it can not also carry out burning or destructive distillation is handled.
Contain a large amount of organic matters in kitchen garbage, can be used as the feed of black soldier flies growth.Black soldier flies larva is as a kind of high
The feed of protein can be used for the fields such as poultry farming.Kitchen garbage is handled by way of cultivating black soldier flies, is compared commonly
There is treatment effeciency height, no remaining biogas residue to generate for aerobic compost and anaerobic fermentation, and the advantages such as recycling degree height, are kitchen rubbish
A kind of new method new model in rubbish harmless treatment and recycling.
Invention content
For the application prospect of the current problems faced and new processing method of kitchen garbage process field described in background technology,
The invention discloses a kind of processing method of changing food waste into resources.Processing method of changing food waste into resources of the present invention can be complete
It is handled at the effective, harmlessization of kitchen garbage, obtains the dry worm of black soldier flies.The present invention is realized by following technological means.
A kind of processing method of changing food waste into resources is first completed the kitchen garbage of collection using large aperture inclined screen net
It is separated by solid-liquid separation, solid is spare after pretreatment, and liquid carries out water-oil separating after pretreatment, and oil phase is added in solid to carry
Fat content in high solid, water phase, which imports, carries out depth anaerobic fermentation in fermentation tank, the obtained biogas that ferments imports standby in gas holder
With fermentation remaining liq, which is added, to be properly increased the moisture in solid in solid and increase the content of Partial Elements.By with
Upper step completes the adjusting of trophic structure and moisture content in solid component.
Black soldier flies worm's ovum or larva are added in the solid after overregulating, is placed in black soldier flies optimum growh environment and completes
The culture of black soldier flies.After culture in 6-8 days, black soldier flies are screened out from solid component to obtain the fresh worm of black soldier flies.
Obtained biogas, which is introduced directly into gas furnace, to be lighted, and the heating of gas furnace is used for.The gas furnace refers to that tunnel passage type is dry
Dry gas furnace.
The fresh worm of black soldier flies is placed in gas furnace and is dried, the dry worm of black soldier flies easy to maintain is obtained.
Processing method of changing food waste into resources disclosed in this invention is kept away by being separated by solid-liquid separation with liquid depth anaerobic fermentation
The generation for having exempted from biogas residue is added adjusting trophic structure in solid by oil phase after water-oil separating and completes oil phase utilization, passes through natural pond
The processing and utilization that adjusting moisture and trophic structure in solid complete biogas slurry is added in liquid, passes through and cultivates black soldier flies efficient process
Solid component in kitchen garbage completes the drying of the fresh worm of black soldier flies by biogas utilization.The method of the invention specifically makes
With outside resources are consumed almost without palpus in the process, the advantages such as environmentally friendly, energy saving, resource utilization rate is high are had both.
Description of the drawings
Fig. 1 is the Technology Roadmap of the present invention.
Specific implementation mode
Further solution is done with regard to the technological means of processing method of changing food waste into resources of the present invention and technological process in conjunction with Fig. 1
Release explanation.It should be pointed out that the implementation case only as the explanation to technological process of the present invention, is not weighed the present invention
Any type of limitation of Composition of contents protected in sharp claim.
A kind of processing method of changing food waste into resources realizes pending kitchen garbage by large aperture inclined screen net first
It is separated by solid-liquid separation.
Large aperture inclined screen net aperture is 16-25 mesh, and inclination angle of inclined plane is 45-60 °, and design parameter is according to different batches
The speciality of kitchen garbage is adjusted into Mobile state.
The solid component that completion is separated by solid-liquid separation divides standby after the pretreatments such as manual a small amount of impurity removal and Simple pulverizing
With, liquid component by the way that the pretreatments such as a small amount of auxiliary agent are added after, complete water-oil separating using the mode of gravity oil removal.Obtained oil phase
It is added in spare solid component and stirs and evenly mixs, for increasing the fat content in solid component.
The obtained liquid component of water-oil separating, which imports, carries out depth anaerobic fermentation in fermentation tank.Spare solid is added in obtained biogas slurry
Mixing in component, for adjusting moisture content, the appropriate content for increasing inorganic salts or trace element in solid component is spare to balance
Trophic structure in solid component.
The solid component for completing moisture content and trophic structure adjusting is used for the feed that black soldier flies cultivate, and is placed in suitable black soldier flies
The cultivation that black soldier flies are carried out in the environment of growth waits for completing worm and frass by the screening of vibrating screen after the completion of black soldier flies cultivation
Separation, fresh weight are further processed into dry worm, and frass is prepared for fertilizer.
The obtained biogas of depth anaerobic fermentation, which is introduced directly into gas furnace, to be lighted, and the drying of the fresh worm of black soldier flies, the combustion are used for
Steam stove is that tunnel passage type dries gas furnace.
After biogas slurry mixing is added in spare solid component, if moisture content is excessively high, spare solid component can be divided and fired
Beside steam stove or combustion gas furnace outer wall heats, to remove extra moisture.
A kind of processing method of changing food waste into resources of the present invention can be complete by the above technological means and technological process
At the recycling treatment of kitchen garbage, solid component and liquid component have obtained abundant profit in kitchen garbage processing procedure
With without waste water generation in entire technological process, without wastewater treatment.The fresh worm of black soldier flies is dried using fermentation methane, can not disappeared
The fresh worm of black soldier flies is processed into the high protein feed that shelf-stable is easily transported in the case of the extraneous electric energy of consumption or thermal energy.
Claims (4)
1. a kind of processing method of changing food waste into resources, including large aperture inclined screen net is separated by solid-liquid separation, solid liquid phase pre-processes, grease
Separation, water phase depth anaerobic fermentation, solid aqueous rate and trophic structure adjust, black soldier flies cultivation and the fresh worm of black soldier flies from heat supply
It is dry.
2. according to claim 1, the solid aqueous rate refers to surplus using water phase depth anaerobic fermentation with trophic structure adjusting
Remaining biogas slurry adjusts solid aqueous rate, and the fat content in solid is adjusted using the obtained oil phase of water-oil separating.
3. according to claim 1, the black soldier flies cultivation refers to being consolidated using what is adjusted by pretreatment, moisture content and trophic structure
Body kitchen garbage is as black soldier flies feed.
4. according to claim 1, the fresh worm confession heated drying of black soldier flies refers to directly leading the obtained biogas of water phase depth fermentation
Enter gas-fired oven to light, the air bath indirectly heat for black soldier flies larva and drying obtain the dry worm of black soldier flies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446401.8A CN108620417A (en) | 2018-05-11 | 2018-05-11 | A kind of processing method of changing food waste into resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446401.8A CN108620417A (en) | 2018-05-11 | 2018-05-11 | A kind of processing method of changing food waste into resources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108620417A true CN108620417A (en) | 2018-10-09 |
Family
ID=63692677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810446401.8A Pending CN108620417A (en) | 2018-05-11 | 2018-05-11 | A kind of processing method of changing food waste into resources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108620417A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877141A (en) * | 2019-03-20 | 2019-06-14 | 西藏锦瑞环境科技有限责任公司 | A kind of restaurant garbage treating system |
| CN109964880A (en) * | 2019-03-25 | 2019-07-05 | 宜宾和美幸福科技有限公司 | For the kitchen feed and preparation method thereof of black soldier flies larva cultivation, black soldier flies larva cultural method |
| CN110115252A (en) * | 2019-06-27 | 2019-08-13 | 天津易世东生态科技有限公司 | A kind of method of black soldier flies biodegrade kitchen garbage |
| CN111054725A (en) * | 2019-12-03 | 2020-04-24 | 江阴华西巨能环境科技有限公司 | Intelligent constant-temperature type kitchen waste biotransformation process |
| CN111138034A (en) * | 2020-01-08 | 2020-05-12 | 南京大学（溧水）生态环境研究院 | Kitchen waste leachate treatment device and use method thereof |
| WO2020220411A1 (en) * | 2019-04-30 | 2020-11-05 | 贵州民族大学 | Integrated treatment system for rural domestic garbage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001233688A (en) * | 2000-02-22 | 2001-08-28 | Sanyo Electric Co Ltd | Device for treating garbage |
| CN104945028A (en) * | 2015-05-19 | 2015-09-30 | 刘金花 | Method for treating kitchen wastes by using hermetia illucens and organic fertilizer prepared by method |
| CN107971324A (en) * | 2017-11-24 | 2018-05-01 | 中国科学院城市环境研究所 | A kind of method and its device of anaerobic fermentation of kitchen waste biogas residue minimizing recycling |
| CN107986830A (en) * | 2017-12-18 | 2018-05-04 | 广东惜福环保科技有限公司 | The processing method of kitchen garbage and its organic fertilizer of preparation |
-
2018
- 2018-05-11 CN CN201810446401.8A patent/CN108620417A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001233688A (en) * | 2000-02-22 | 2001-08-28 | Sanyo Electric Co Ltd | Device for treating garbage |
| CN104945028A (en) * | 2015-05-19 | 2015-09-30 | 刘金花 | Method for treating kitchen wastes by using hermetia illucens and organic fertilizer prepared by method |
| CN107971324A (en) * | 2017-11-24 | 2018-05-01 | 中国科学院城市环境研究所 | A kind of method and its device of anaerobic fermentation of kitchen waste biogas residue minimizing recycling |
| CN107986830A (en) * | 2017-12-18 | 2018-05-04 | 广东惜福环保科技有限公司 | The processing method of kitchen garbage and its organic fertilizer of preparation |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877141A (en) * | 2019-03-20 | 2019-06-14 | 西藏锦瑞环境科技有限责任公司 | A kind of restaurant garbage treating system |
| CN109964880A (en) * | 2019-03-25 | 2019-07-05 | 宜宾和美幸福科技有限公司 | For the kitchen feed and preparation method thereof of black soldier flies larva cultivation, black soldier flies larva cultural method |
| CN109964880B (en) * | 2019-03-25 | 2021-10-26 | 宜宾和美幸福科技有限公司 | Kitchen feed for breeding hermetia illucens larvae, preparation method of kitchen feed and breeding method of hermetia illucens larvae |
| WO2020220411A1 (en) * | 2019-04-30 | 2020-11-05 | 贵州民族大学 | Integrated treatment system for rural domestic garbage |
| CN110115252A (en) * | 2019-06-27 | 2019-08-13 | 天津易世东生态科技有限公司 | A kind of method of black soldier flies biodegrade kitchen garbage |
| CN111054725A (en) * | 2019-12-03 | 2020-04-24 | 江阴华西巨能环境科技有限公司 | Intelligent constant-temperature type kitchen waste biotransformation process |
| CN111138034A (en) * | 2020-01-08 | 2020-05-12 | 南京大学（溧水）生态环境研究院 | Kitchen waste leachate treatment device and use method thereof |
| CN111138034B (en) * | 2020-01-08 | 2021-07-13 | 南京大学（溧水）生态环境研究院 | Kitchen waste leachate treatment device and use method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181009 |
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