CN110229028A - A kind of useless dish leaf processing method - Google Patents
A kind of useless dish leaf processing method Download PDFInfo
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- CN110229028A CN110229028A CN201910642887.7A CN201910642887A CN110229028A CN 110229028 A CN110229028 A CN 110229028A CN 201910642887 A CN201910642887 A CN 201910642887A CN 110229028 A CN110229028 A CN 110229028A
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- drainage
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- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of useless dish leaf processing method, processing unit includes: discharge bin, drainage spiral, belt feeder, slag remover, feed auger, pulverizer, dewaterer, water tank, water pump, sedimentation-type centrifuge, sewage treatment line, fermenting case, Organic fertilizer production line, quantitative packaging system；Processing method is handled as follows: discharging-conveying and drainage-sorting-slagging-off-crushing-dehydration-sewage treatment；Fermentation-organic fertilizer production-packaging.Compared with prior art, the beneficial effects of the present invention are: improving the processing speed of discarded fruit, the yield of organic fertilizer is improved.
Description
Technical field
The invention belongs to technical field of waste treatment, and in particular to a kind of useless dish leaf processing method.
Background technique
Useless dish leaf belongs to organic solid waste, give up dish leaf have complicated component, it is perishable decompose it is smelly, generate pathogen,
It pollutes air and water source etc. to seriously endanger, therefore science, safe and effective processing must be carried out for discarded dish leaf, and locate
New pollution is not generated after reason, moreover it is possible to which value is generated by another way.
The processing prospect of the application with higher and commercial value of useless dish leaf, and current processing method all can not be preferable
Processing is badly in need of wanting one kind that can eliminate pollution and generating the processing method of positive use value in this area.
Summary of the invention
In order to solve the problems in the existing technology, the present invention provides a kind of useless dish leaf processing methods, it is intended in order to
The taste of waste water in useless dish leaf can be eliminated, while reaching and useless dish leaf is made full use of, apparatus and method of the present invention will not
Generate secondary pollution.
The specific technical solution of the present invention is as follows: a kind of useless dish leaf processing method, processing unit include: discharge bin, drainage
Spiral, belt feeder, slag remover, feed auger, pulverizer, dewaterer, water tank, water pump, sedimentation-type centrifuge, sewage treatment
Line, fermenting case, Organic fertilizer production line, quantitative packaging system；
The processing method is handled as follows:
Step 1, discharging, discharge bin 1 receive waste vegetable leaves；
Step 2, conveying and drainage carry out drainage and conveying using drainage spiral and belt feeder；
Step 3, it sorts, sorts out the metal object in useless dish leaf；
Step 4, it removes the gred, polybag, packing box, packaging bag, branch in removing waste dish leaf；
Step 5, it crushes, useless dish leaf is ground into slurry；
Step 6, it is dehydrated, separating dry space from moist space is carried out to slurry, filters out wet feed and siccative；
Step 7, sewage treatment；Fermentation；
Step 8, organic fertilizer production；
Step 9, it packs.
Further, the useless dish leaf includes discarded plateau summer vegetable.
Further, the edge of discharge bin is provided with proximity sensor, the proximity sensor is for detecting transport vehicle
Location information, haulage vehicle reversing to setting close to apart from it is interior when, the warning light band that discharge bin periphery is arranged in is bright
Lamp prompts driver vehicle to move backward to the suitable position of discharging.
Further, the bottom of discharge bin is arranged in the drainage spiral, and the discharge port of drainage spiral is connect with belt pulley,
The moisture of drainage spiral filtration enters in water tank.
Further, in the step 3, setting armature above belt feeder is used to sort out the metal object in useless dish leaf.
Further, in the step 4, the discharge end of belt feeder and the feed end of slag remover are connected.
Further, in the step 5, the useless dish leaf after slagging-off is ground into the slurry of 1cm diameter by pulverizer.
Further, in the step 6, siccative enters fermenting case, and wet feed enters water tank, and simultaneously will be in water tank
Material is separated water, slag by sedimentation-type centrifuge, is respectively delivered to sewage treatment line and fermenting case.
Further, in the step 7, sewage treatment, by sewage routeway ozone reactor-pass through mellow soil and stalk
Filtering-addition microbial bacterial agent-biological aerated filter biochemical treatment, reaching can discharge standard；Fermentation, utilizes high-temperature sterilization skill
Art by the material in fermenting case bacterium and harmful substance eliminate.
It further, include: that material mix-turns over throwing, the decomposed-powder of the secondary ageing of aerobic fermentation-in the step 8
Broken-the first screening-batching-granulation-throwing circle-drying-cooling-sizing screening.
Compared with prior art, it the beneficial effects of the present invention are: drainage spiral is arranged in the front end of device in the present invention, realizes
Level-one drainage prepares for subsequent sorting, slagging-off and crushing, can be improved the efficiency of sorting and slagging-off, carries out level-one drainage
Useless dish leaf can be effectively crushed later, it is ensured that can be crushed to the slurry of 1cm diameter；Setting sorting and deslagging device can mention
The efficiency that height crushes, while protecting pulverizer；Useless dish leaf can adequately be filtered out by carrying out second level drainage again after useless dish leaf is crushed
In water, can be improved the quality of organic fertilizer when organic fertilizer is made in siccative, reduce the moisture in organic fertilizer, it is manufactured organic
Fertile odorless, without stale flavor；The time dried in organic fertilizer production can be reduced by designing multistage drainage, improve the place of useless dish leaf
Speed is managed, the yield of organic fertilizer is improved.
Detailed description of the invention
Fig. 1 pretreatment stage apparatus structure schematic diagram of the present invention；
Fig. 2 organic fertilizer production stage apparatus structural schematic diagram of the present invention；
Discharge bin 1, the first stainless steel filter screen 1.1, the second stainless steel filter screen 1.2, drainage spiral or drainage stir in figure
Hold together 2, belt feeder 3, armature 3.1, slag remover 4, feed auger 5, pulverizer 6, dewaterer 7, return pipe 7.1, water tank 8, water pump
9, sedimentation-type centrifuge 10, sewage treatment line 11, fermenting case 12, Organic fertilizer production line 13, quantitative packaging system 14.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
The instruction such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " circumferential direction "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection ",
Terms such as " fixations " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connect
It connects；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Person implicitly includes one or more of the features.
The invention discloses a kind of useless dish leaf processing method, processing unit includes: discharge bin 1, drainage spiral 2, belt feeder
3, slag remover 4, feed auger 5, pulverizer 6, dewaterer 7, water tank 8, water pump 9, sedimentation-type centrifuge 10, sewage treatment line
11, fermenting case 12, Organic fertilizer production line 13, quantitative packaging system 14.
As shown in Figure 1, disclosing the device of pretreatment stage of the present invention in Fig. 1, including discharge bin 1, the first stainless steel mistake
Strainer 1.1, the second stainless steel filter screen 1.2, drainage spiral (or drainage stirs) 2, belt feeder 3, armature 3.1, slag remover 4, into
Expect spiral 5, pulverizer 6, dewaterer 7, return pipe 7.1, water tank 8；Useless dish leaf is divided into water, slag in pretreatment stage and is done
Material, slag and siccative are used for subsequent production organic fertilizer.
Processing method of the invention is handled as follows: the processing method is handled as follows: step 1, discharging, discharging
Storehouse 1 receives waste vegetable leaves；Step 2, conveying and drainage carry out drainage and conveying using drainage spiral (2) and belt feeder (3)；Step
Rapid 3, sorting sorts out the metal object in useless dish leaf；Step 4, it removes the gred, polybag, packing box, packaging in removing waste dish leaf
Bag, branch；Step 5, it crushes, useless dish leaf is ground into slurry；Step 6, it is dehydrated, separating dry space from moist space is carried out to slurry, filters out wet feed
And siccative；Step 7, sewage treatment；Fermentation；Step 8, organic fertilizer production；Step 9, it packs.
Plateau summer vegetable also known as cools vegetables, refers to the vegetables that summer grows in Climate Dryness cryogenic region.These vegetables are to growth
Environmental requirement is high, other than weather is dry and cold, it is also necessary to which day and night temperature is big, and illumination is sufficient, the geographical conditions such as with fresh air.The present invention
In the useless dish leaf include discarded plateau summer vegetable.
The edge of discharge bin 1 is provided with proximity sensor, the proximity sensor is used to detect the position of haulage vehicle
Information, haulage vehicle reversing to setting close to apart from it is interior when, the warning light band bright light on discharge bin 1 periphery is set, is prompted
Driver vehicle has moved backward to the suitable position of discharging.
The bottom of discharge bin 1 is arranged in the drainage spiral 2, and the discharge port of drainage spiral 2 is connect with belt pulley 3, drainage
The moisture that spiral 2 filters enters in water tank 8.
In the step 3, it is used to sort out the metal object in useless dish leaf to armature 3.1 is arranged above belt feeder 3.
In the step 4, the discharge end of belt feeder 3 is connect with the feed end of slag remover 4.
In the step 5, the useless dish leaf after slagging-off is ground into the slurry of 1cm diameter by pulverizer 6.
In the step 6, siccative enters fermenting case 12, and wet feed enters water tank 8, and simultaneously by the material in water tank 8
Water, slag are separated by sedimentation-type centrifuge 10, are respectively delivered to sewage treatment line 11 and fermenting case 12.
In the step 7, sewage treatment, by sewage routeway ozone reactor-pass through mellow soil and straw filtering-addition
Microbial bacterial agent-biological aerated filter biochemical treatment, reaching can discharge standard；Fermentation, using high-temperature sterilization technology by fermenting case
Bacterium in material and harmful substance in 12 are eliminated.
Include: in the step 8 material mix-turn over the secondary ageing of throwing, aerobic fermentation-it is decomposed-crush the-the first sieve
Divide-batching-granulation-throwing circle-drying-cooling-sizing screening.
As shown in Figure 1, discharge bin 1 is for receiving the useless dish leaf that haulage vehicle unloads, the left and right sides of discharge bin is pacified respectively
Equipped with the first stainless steel filtering net 1.1 and the second stainless steel filtering net 1.2, the bottom of discharge bin 1 is provided with drainage spiral or drainage
Stir 2, drainage spiral or drainage stir 2 for the moisture in dish leaf of giving up, and can quantitatively be transported to filtered useless dish leaf
On belt feeder 3, drainage spiral or drainage stir 2 and can filter in useless dish leaf 60% moisture, due to being filtered in this stage
Water installations, so preferable sorting effect can be reached when carrying out sorting metal using armature 3.1, if adulterating gold in useless dish leaf
Belonging to (analogs such as cutter) will cause the damage of mucking machine, crusher, and will cause the reduction of organic fertilizer quality.Belt feeder 3
The useless dish leaf for removing metallics is transported on slag remover 4, slag remover 4 is by the polybag in useless dish leaf, packing box, packaging bag
It is rejected etc. common packing device and common tableware (tableware accidentally thrown into) and mixed some other sundries picks
It removes.The feed inlet of feed auger 5 connect with 4 discharge port of slag remover and useless dish leaf is transported in pulverizer 6, and pulverizer 6 is by useless dish
Leaf is ground into the slurry of 1cm diameter or so, if being not provided with drainage spiral or drainage stirs 2 would become hard to guarantee to starch after crushing
The size of material.Smashed slurry is transported in dewaterer 7, the charging of the discharge port and dewaterer 7 of pulverizer 6 as shown in Figure 1
Smashed slurry is carried out separating dry space from moist space, can slough in slurry 60% moisture, be filtered out by sieve by mouth connection, dewaterer 7
(siccative is for wet feed, and those skilled in the art can tell siccative for grain slag mixture (wet feed) and discharge siccative
The meaning for needing to express), grain slag mixture passes through return pipe 7.1 again and is flowed into water tank 8, waits subsequent processing, siccative
Enter fermenting case 13.
As shown in Fig. 2, being the device attachment structure schematic diagram of subsequent processing stage of the invention, it is divided into two main ways
Diameter, first, the siccative of pretreatment stage enters in fermenting case 12, and fermenting case 12 is arranged two, switches when filling for one another
One, two are used alternatingly, fermenting case (10m3) utilize high temperature (120 degree of infrared rays sterilize) sterilization technology (sterilizing duration
1hour) harmful substances such as bacterium in useless dish leaf are eliminated；Second, the grain slag mixture in water tank 8 is taken out using water pump 9
It is transported to sedimentation-type centrifuge 10, water, slag in grain slag mixture are separated, and are respectively delivered to sewage treatment by sedimentation-type centrifuge 10
Line 11 and fermenting case 12, the progress sewage treatment of sewage treatment line 11 reaches can discharge standard；Fermenting case 12 utilizes as hereinbefore
High-temperature sterilization technology by the slag after separation bacterium and harmful substance eliminate.Material is organic by entering after fermenting case 12
Fertile production line 13 makes organic fertilizer, Organic fertilizer production line 13 include: material mixing device, fermentation tank, aging device, pulverizer,
First screening machine, batching system, pelletizer, shaping polishing machine, dryer, cooler, the second screening machine；The material is mixed
It attaches together and sets for (auxiliary material to be primarily used to adjust material moisture, C/ with auxiliary material by major ingredient (primary raw material for referring to organic fertilizer production)
N, pH value, permeability some raw materials, be made of one or more of raw materials, common auxiliary material have straw powder, powdered rice hulls, rice chaff,
Wheat bran, grouts, mushroom residue, flyash, quick lime, calcium superphosphate, ground phosphate rock etc.) carry out full and uniform mixing；The fermentation tank
It is connected with slot type turner, decomposed fermentation is realized by slot type turner material organism-absorbing microbial inoculum；The aging device is realized
The ageing of material is decomposed；The pulverizer crushes the bulk of material；First screening machine is by the foreign material sieve in material
It removes；The metering Weighting system, for adding biological inoculum and NPK nutrient into material；The pelletizer realize material at
Grain, nodularization and densification process；The shaping polishing machine makes particle rolling glomeration；The dryer, when dry, hot-air or
Heat is transmitted to material by hot fume, evaporates moisture, while by the effect of ventilation equipment, making material in dryer constantly more
Newly, to exclude steam；The cooler accelerates the flowing of rotating cylinder inner air under the suction of air-introduced machine, passes through revolution
The lifting blade installed on wall constantly digs material, to achieve the purpose that cooling；Second screening machine sieves material step by step
Choosing.Organic fertilizer is packaged into solid organic fertilizer finished product finally by quantitative packaging system 14.
Compared with prior art, it the beneficial effects of the present invention are: drainage spiral is arranged in the front end of device in the present invention, realizes
Level-one drainage prepares for subsequent sorting, slagging-off and crushing, can be improved the efficiency of sorting and slagging-off, carries out level-one drainage
Useless dish leaf can be effectively crushed later, it is ensured that can be crushed to the slurry of 1cm diameter；Setting sorting and deslagging device can mention
The efficiency that height crushes, while protecting pulverizer；Useless dish leaf can adequately be filtered out by carrying out second level drainage again after useless dish leaf is crushed
In water, can be improved the quality of organic fertilizer when organic fertilizer is made in siccative, reduce the moisture in organic fertilizer, it is manufactured organic
Fertile odorless, without stale flavor；The time dried in organic fertilizer production can be reduced by designing multistage drainage, improve the place of useless dish leaf
Speed is managed, the yield of organic fertilizer is improved.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of useless dish leaf processing method, it is characterised in that: processing unit includes: discharge bin (1), drainage spiral (2), belt feeder
(3), slag remover (4), feed auger (5), pulverizer (6), dewaterer (7), water tank (8), water pump (9), sedimentation-type centrifuge
(10), sewage treatment line (11), fermenting case (12), Organic fertilizer production line (13), quantitative packaging system (14)；
The processing method is handled as follows:
Step 1, discharging, discharge bin 1 receive waste vegetable leaves；
Step 2, conveying and drainage carry out drainage and conveying using drainage spiral (2) and belt feeder (3)；
Step 3, it sorts, sorts out the metal object in useless dish leaf；
Step 4, it removes the gred, polybag, packing box, packaging bag, branch in removing waste dish leaf；
Step 5, it crushes, useless dish leaf is ground into slurry；
Step 6, it is dehydrated, separating dry space from moist space is carried out to slurry, filters out wet feed and siccative；
Step 7, sewage treatment；Fermentation；
Step 8, organic fertilizer production；
Step 9, it packs.
2. a kind of useless dish leaf processing method as claimed in claim 2, it is characterised in that: the useless dish leaf includes discarded plateau
Discarded plateau summer vegetable is unloaded in discharge bin (1) by summer vegetable, haulage vehicle.
3. a kind of useless dish leaf processing method as claimed in claim 3, it is characterised in that: be provided at the edge of discharge bin (1)
Proximity sensor, the proximity sensor are used to detect the location information of haulage vehicle, in haulage vehicle reversing connecing to setting
When in short distance, the warning light band bright light on discharge bin (1) periphery is set, driver vehicle is prompted to move backward to the suitable of discharging
Position.
4. a kind of useless dish leaf processing method as described in claim 1, it is characterised in that: drainage spiral (2) setting is being unloaded
The discharge port of the bottom of feed bin (1), drainage spiral (2) is connect with belt pulley (3), and the moisture of drainage spiral (2) filtering enters
In water tank (8).
5. a kind of useless dish leaf processing method as described in claim 1, it is characterised in that: in the step 3, to belt feeder (3)
Top setting armature (3.1) is used to sort out the metal object in useless dish leaf.
6. a kind of useless dish leaf processing method as described in claim 1, it is characterised in that: in the step 4, belt feeder (3)
Discharge end is connect with the feed end of slag remover (4).
7. a kind of useless dish leaf processing method as described in claim 1, it is characterised in that: the useless dish in the step 5, after slagging-off
Leaf is ground into the slurry of 1cm diameter by pulverizer (6).
8. a kind of useless dish leaf processing method as described in claim 1, it is characterised in that: in the step 6, siccative enters fermentation
Case (12), wet feed enter water tank (8), and the material in water tank (8) is passed through sedimentation-type centrifuge (10) for water, slag simultaneously
It is separated, is respectively delivered to sewage treatment line (11) and fermenting case (12).
9. a kind of useless dish leaf processing method as described in claim 1, it is characterised in that: in the step 7, sewage treatment will
In sewage routeway ozone reactor-pass through at mellow soil and straw filtering-addition microbial bacterial agent-biological aerated filter biochemistry
Reason, reaching can discharge standard；Fermentation, using high-temperature sterilization technology by the material in fermenting case (12) bacterium and harmful substance
It eliminates.
10. a kind of useless dish leaf processing method as described in claim 1, it is characterised in that: include: that material is mixed in the step 8
Close-turn over the secondary ageing of throwing, aerobic fermentation-it is decomposed-crush-granulation-throwing circle-drying-of the-the first screening-batching
Cooling-sizing screening.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759761A (en) * | 2019-11-07 | 2020-02-07 | 云南嘉谷环保有限公司 | Biological treatment method for waste vegetable leaves |
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| CN103121859A (en) * | 2013-03-21 | 2013-05-29 | 北京世纪阿姆斯生物技术股份有限公司 | Kitchen waste on-site treatment method |
| CN109503231A (en) * | 2018-09-26 | 2019-03-22 | 上海市政工程设计研究总院（集团）有限公司 | A kind of organic waste anaerobic fermentation biogas residue fertilizer producing system |
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Application publication date: 20190913 |