CN115415276A - Kitchen waste elimination type treatment process - Google Patents
Kitchen waste elimination type treatment process Download PDFInfo
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- CN115415276A CN115415276A CN202211109080.5A CN202211109080A CN115415276A CN 115415276 A CN115415276 A CN 115415276A CN 202211109080 A CN202211109080 A CN 202211109080A CN 115415276 A CN115415276 A CN 115415276A
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- kitchen waste
- fermentation
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- particles
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- 239000010806 kitchen waste Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 16
- 230000008030 elimination Effects 0.000 title claims abstract description 10
- 238000000855 fermentation Methods 0.000 claims abstract description 42
- 230000004151 fermentation Effects 0.000 claims abstract description 42
- 239000002245 particle Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000010865 sewage Substances 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000005303 weighing Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 13
- 238000012216 screening Methods 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 5
- 241000186361 Actinobacteria <class> Species 0.000 claims description 3
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 3
- 241000235342 Saccharomycetes Species 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005189 flocculation Methods 0.000 claims description 3
- 230000016615 flocculation Effects 0.000 claims description 3
- 239000010805 inorganic waste Substances 0.000 claims description 3
- 238000010979 pH adjustment Methods 0.000 claims description 3
- 238000006303 photolysis reaction Methods 0.000 claims description 3
- 230000015843 photosynthesis, light reaction Effects 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 241000186660 Lactobacillus Species 0.000 claims description 2
- 229940039696 lactobacillus Drugs 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 3
- 239000003814 drug Substances 0.000 abstract description 2
- 239000011802 pulverized particle Substances 0.000 abstract description 2
- 238000010298 pulverizing process Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 239000010813 municipal solid waste Substances 0.000 description 11
- 239000013618 particulate matter Substances 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
-
- 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
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- 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
- B09B3/60—Biochemical treatment, e.g. by using enzymes
-
- 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
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
-
- 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
- B09B2101/70—Kitchen refuse; Food waste
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biochemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The kitchen waste elimination type treatment process comprises the steps of lifting kitchen waste to an elliptical folding machine through a chain plate conveying lifting machine, sorting the kitchen waste, spraying organic solids after sorting, enabling the organic solids after spraying to enter a crushing and tearing machine to be crushed to form particles, gathering sewage after spraying to enter an oil-water separation tank, carrying out oil-water separation, weighing and recycling the separated oil, throwing the crushed particles into a biological fermentation bin to carry out fermentation treatment on flora, and throwing fermentation flora in corresponding proportion according to particle size of the particles. Compared with the prior art, the kitchen waste elimination type treatment process optimizes the biological fermentation process, pulverizes organic solids, and ferments with flora after pulverizing, so that the fermentation time can be shortened, the pulverized particles are further screened, and the size-classified fermentation of the particles is carried out, so that the dosage of medicaments can be reduced, and the treatment cost is further saved.
Description
Technical Field
The invention relates to the technical field of kitchen waste treatment, in particular to a kitchen waste elimination type treatment process.
Background
Kitchen waste contains a large amount of organic solid waste, moisture, salinity and grease, and people mix kitchen waste with other rubbish in the past, then throw into the garbage bin, and the garbage truck regularly collects the rubbish in the garbage bin, and the rubbish that will collect is unified to be sent to the refuse treatment factory and is handled, however this kind of way does not practice kitchen waste's reuse, is a waste to the resource.
Along with the gradual popularization of garbage classification, provide fine help for the processing of kitchen garbage, the further processing of kitchen garbage obtains developing, has realized the recycle of kitchen garbage.
In the invention patent with the publication number of CN113245356A, named as a kitchen waste treatment process, kitchen waste is decomposed through a pretreatment system, a biological gasification treatment system, a sewage treatment system and a flue gas treatment system, wherein slag obtained in the pretreatment is mixed with ultrahigh-temperature aerobic composite microbial strains and then is fed into the biological gasification treatment system, and the slag is thoroughly decomposed into carbon dioxide and water; in the pretreatment process, the slag also contains different organic matters including fruits and vegetables, meat residues, large bones and the like, so that a large amount of flora agents are required to be added in the biological fermentation treatment process to realize decomposition.
Disclosure of Invention
The invention aims to solve the technical problem of providing a kitchen waste elimination type treatment process aiming at the defects of the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that:
a kitchen waste elimination type treatment process comprises the following steps:
s1: pretreating kitchen waste: lifting the kitchen waste to an elliptical folding machine by a chain plate conveying lifter, sorting the kitchen waste, sorting out inorganic waste, and carrying out next treatment on the rest organic solids;
s2: and (3) spraying treatment: spraying the organic solids sorted in the step S1 to remove oil and salt of the organic solids, and crushing the sprayed organic solids in a crushing and tearing machine to form particles;
s3: oil-water separation: step S2, collecting the sewage generated by spraying in the step S2, then feeding the collected sewage into an oil-water separation tank for oil-water separation, weighing and recovering the separated oil, using the oil as a biological energy source after deep processing, and treating the separated sewage to enable the sewage to reach the standard and be discharged;
s4: fermentation treatment: and (3) putting the particles subjected to the crushing treatment in the step (S2) into a biological fermentation bin and a flora for fermentation treatment, converting most of the particles for fermenting the organic solid into water and gas, and treating the water and the gas to ensure that the water and the gas reach the standard and are discharged.
Further, the sewage separated in the step S2 and the water generated in the step S4 are converged to a water collecting tank, and then subjected to degerming, PH adjustment, flocculation and residue scraping treatment in an air flotation tank, and then discharged after reaching the standard.
Further, the waste gas volatilized in the step S2 and the gas generated in the step S4 enter a micro-nano zinc spray tower for spraying, then are subjected to magnetic energy ultraviolet photolysis, and finally are discharged by an exhaust pipe after reaching the standard.
Further, the residue in the oil-water separation tank in the step S2 is periodically discharged into a biological fermentation bin for treatment.
Further, the particles after the crushing treatment in the step S2 are screened by a screen, and the screened particles are respectively put into a compartment of a biological fermentation chamber according to particle size for fermentation treatment, wherein the particle size of the particles is not more than 2mm, and the slag and flora are mixed according to the weight ratio of 50-60: 1, adding fermentation flora, wherein the particle size of the particles is more than or equal to 2mm, and the weight ratio of slag to flora is 40-50: 1, adding fermentation flora.
Further, the flora adopted in the fermentation treatment process is bacillus, actinomycetes, lactobacillus and saccharomycetes.
Further, the temperature in the fermentation treatment process in the step 4 is 60-70 ℃.
Compared with the prior art, the kitchen waste elimination type treatment process optimizes the biological fermentation process, pulverizes organic solids, and ferments with flora after pulverizing, so that the fermentation time can be shortened, the pulverized particles are further screened, and the size-classified fermentation of the particles is carried out, so that the dosage of medicaments can be reduced, and the treatment cost is further saved.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
As shown in fig. 1, the invention provides a kitchen waste elimination type treatment process, which comprises the following steps: s1, kitchen waste pretreatment: lifting the kitchen waste to an elliptical folding machine by a chain plate conveying lifter, sorting the kitchen waste, sorting out inorganic waste, and carrying out next treatment on the rest organic solids; s2, spraying treatment: spraying the organic solids sorted in the step S1 to remove oil and salt of the organic solids, crushing the sprayed organic solids in a crushing and tearing machine to form particles, and subsequently screening the formed particles; s3, oil-water separation: step S2, collecting the sewage generated by spraying in the step S2, then feeding the collected sewage into an oil-water separation tank for oil-water separation, weighing and recovering the separated oil, performing deep processing, and then using the oil as a biological energy source, such as biodiesel, and treating the separated sewage to enable the sewage to reach the standard and be discharged; s4, fermentation treatment: and (3) putting the particles subjected to the crushing treatment in the step (S2) into a biological fermentation bin and a flora for fermentation treatment, converting most of the particles for fermenting the organic solid into water and gas, and treating the water and the gas to ensure that the water and the gas reach the standard and are discharged.
Wherein, in this embodiment, be provided with two compartments on the kitchen garbage treatment facility, before the fermentation process, pass through the screen cloth with the particulate matter after the shredding and screen, the particulate matter after the screening is according to the particle size, drops into the compartment in biological fermentation storehouse respectively and carries out fermentation treatment, and the particulate matter particle size of screening is less than or equal to 2mm, and slag charge and fungus crowd are according to weight ratio 50 ~ 60:1, putting fermentation flora in a compartment, wherein the particle size of particles is 2-5 mm, and the weight ratio of slag to flora is 40-50: 1, putting fermentation flora in the compartment, and if the particle size of the particulate matter is larger than 5mm, arranging a third compartment on the kitchen waste treatment equipment for fermentation treatment of the partial slag.
Taking 100kg of slag as an example, after screening, about 92kg of particles are less than or equal to 2mm, and the rest 8kg of particles are 2-5 mm, according to the proportion of 55: 1. 45:1, adding 1.8 parts of flora according to the proportion of 1, fermenting slag materials in a non-crushing mode to obtain 45: the proportion of 1 is that the flora is put in, 2.22 parts of the flora is needed to be put in, therefore, after the classified screening, the slag charge is fermented, and the using amount of the flora can be reduced.
Wherein, the floras adopted in the fermentation treatment process are bacillus, actinomycetes, lactic acid bacteria and saccharomycetes, the fermentation temperature is controlled at 60-70 ℃, and the floras are in the optimal active state.
The sewage in the step S2 is subjected to oil-water residue three-phase separation, the separated sewage and the water generated in the step S4 are gathered to a water collection tank and then subjected to sterilization, pH adjustment, flocculation and air floatation tank residue scraping treatment, the sewage reaches the GB3838 water area first-level emission standard and is discharged, the waste gas volatilized in the step S2 and the gas generated in the step S4 enter a micro-nano zinc spray tower for spraying, then the waste gas is subjected to magnetic energy ultraviolet photolysis, the waste gas finally reaches GB13271-2014 boiler atmospheric pollutant discharge standard through an exhaust pipe and is discharged, and meanwhile, the residue precipitated in the oil-water separation tank in the step S2 is periodically discharged into a biological fermentation bin for treatment.
The present invention is not limited to the embodiments described above, and those skilled in the art may make modifications or changes within the scope of the disclosure without departing from the spirit of the present invention, so that the scope of the present invention is defined by the appended claims.
Claims (7)
1. The kitchen waste elimination type treatment process is characterized by comprising the following steps: the method comprises the following steps:
s1: pretreating kitchen waste: lifting the kitchen waste to an elliptical folding machine by a chain plate conveying lifter, sorting the kitchen waste, sorting out inorganic waste, and carrying out next treatment on the rest organic solids;
s2: and (3) spraying treatment: spraying the organic solids sorted in the step S1 to remove oil and salt of the organic solids, and crushing the sprayed organic solids in a crushing and tearing machine to form particles;
s3: oil-water separation: step S2, gathering the sewage generated by spraying, then feeding the gathered sewage into an oil-water separation tank for oil-water separation, weighing and recovering the separated oil, using the oil as a biological energy source after deep processing, and treating the separated sewage to enable the sewage to reach the standard and be discharged;
s4: fermentation treatment: and (3) putting the particles subjected to the crushing treatment in the step (S2) into a biological fermentation bin and a flora for fermentation treatment, converting most of the particles for fermenting the organic solid into water and gas, and treating the water and the gas to ensure that the water and the gas reach the standard and are discharged.
2. The kitchen waste elimination process according to claim 1, characterized in that: and (4) after the sewage separated in the step (S2) and the water generated in the step (S4) are gathered to a water collecting tank, carrying out sterilization, PH adjustment, flocculation and residue scraping treatment in an air floatation tank, and then discharging the sewage up to the standard.
3. The kitchen waste elimination process according to claim 1, characterized in that: and (5) allowing the waste gas volatilized in the step (S2) and the gas generated in the step (S4) to enter a micro-nano zinc spray tower for spraying, performing magnetic energy ultraviolet photolysis, and finally discharging the gas by an exhaust pipe after reaching the standard.
4. The kitchen waste elimination process according to claim 1, characterized in that: and S2, regularly discharging residues in the oil-water separation tank into a biological fermentation bin for treatment.
5. The kitchen waste elimination process according to claim 1, characterized in that: screening the particles after the crushing treatment in the step S2 by using a screen, respectively putting the screened particles into compartments of a biological fermentation bin according to the particle size for fermentation treatment, wherein the particle size of the particles is less than or equal to 2mm, and the weight ratio of slag to flora is 50-60: 1, adding fermentation flora, wherein the particle size of the particles is more than or equal to 2mm, and the weight ratio of slag to flora is 40-50: 1, adding fermentation flora.
6. The kitchen waste elimination process according to claim 5, characterized in that: the flora adopted in the fermentation treatment process is bacillus, actinomycetes, lactobacillus and saccharomycetes.
7. The kitchen waste elimination process according to claim 1, characterized in that: the temperature in the fermentation treatment process in the step 4 is 60-70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211109080.5A CN115415276A (en) | 2022-09-13 | 2022-09-13 | Kitchen waste elimination type treatment process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211109080.5A CN115415276A (en) | 2022-09-13 | 2022-09-13 | Kitchen waste elimination type treatment process |
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| Publication Number | Publication Date |
|---|---|
| CN115415276A true CN115415276A (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211109080.5A Pending CN115415276A (en) | 2022-09-13 | 2022-09-13 | Kitchen waste elimination type treatment process |
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| Country | Link |
|---|---|
| CN (1) | CN115415276A (en) |
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- 2022-09-13 CN CN202211109080.5A patent/CN115415276A/en active Pending
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Application publication date: 20221202 |