CN106583424B - A kind of domestic organic garbage recycling treatment process - Google Patents
A kind of domestic organic garbage recycling treatment process Download PDFInfo
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- CN106583424B CN106583424B CN201611246741.3A CN201611246741A CN106583424B CN 106583424 B CN106583424 B CN 106583424B CN 201611246741 A CN201611246741 A CN 201611246741A CN 106583424 B CN106583424 B CN 106583424B
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 20
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 238000000855 fermentation Methods 0.000 claims abstract description 37
- 230000004151 fermentation Effects 0.000 claims abstract description 37
- 238000010564 aerobic fermentation Methods 0.000 claims abstract description 28
- 239000010815 organic waste Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000003337 fertilizer Substances 0.000 claims abstract description 20
- 239000003895 organic fertilizer Substances 0.000 claims abstract description 16
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 15
- 239000002351 wastewater Substances 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 150000002500 ions Chemical class 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 6
- 239000004519 grease Substances 0.000 claims abstract description 5
- 150000001768 cations Chemical class 0.000 claims abstract description 4
- 239000002361 compost Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000009194 climbing Effects 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 9
- 239000002068 microbial inoculum Substances 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- 244000005700 microbiome Species 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 239000003225 biodiesel Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000000050 nutritive effect Effects 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000004332 deodorization Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 claims 1
- 238000012216 screening Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 5
- 239000005416 organic matter Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005571 horizontal transmission Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- 239000010421 standard material Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 206010033307 Overweight Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000007269 microbial metabolism Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 235000020825 overweight Nutrition 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of domestic organic garbage recycling treatment process, including (1) to be separated by solid-liquid separation；(2) non-organic object is rejected in sorting；(3) by being sprayed removal grease stain and metal cation；(4) crushing/dewatering, press dewatering；(5) high-temperature aerobic fermentation；(6) natural secondary biofermentation；(7) material screening；(8) the moisture water-oil separating of the discharge outlet discharge immediately below the liquid outlet and squeezing dewatering machine below pigeonholes；(9) heavy metal ion in organic wastewater is removed, then carries out aerobic fermentation, obtains fermentation liquid；(10) fermentation liquid high temperature is concentrated；(11) fermentation liquid after concentration is detected；(12) fermentation liquid up to standard is matched.After the present invention handles organic waste, SOLID ORGANIC fertilizer, organic liquid fertilizer and oil are obtained, and solves the problems, such as that there are exceeded heavy metals in fertilizer, are increased to 95% or more for the utilization rate of organic waste resource.
Description
Technical field
The present invention relates to kitchen garbage treatment process more particularly to a kind of domestic organic garbage recycling treatment process.
Background technique
With the continuous improvement of exhausting level, the fast development of industrial and agricultural production level, town and country organic waste is (wherein
Organic waste, agricultural stalk waste including people and cultivation fowl and animal excrement etc.) discharge amount increasingly increase.According to statistics, in
The annual municipal domestic organic refuse yield of state is more than 3.1 hundred million tons；Annual agricultural stalk yield is more than 6.5 hundred million tons, annual animal dung
Just yield is more than 2,600,000,000 tons, and China has become maximum organic waste output country in the world.Currently, domestic and international organic solid
Waste treatment mainly has 3 kinds: landfill, burning and biological treatment.Land landfill will cause polluting and high soil for soil
Ground contamination restoration harness expense, burning is not only at high cost, but also the exhaust emissions of castoff burning technique can generate dirt to environment
Dye, these processing methods cause serious environmental pollution problem while handling organic waste.Although organic waste has
The harm of pollution, but it can be used as important resource by resource utilization again simultaneously.Not only containing a large amount of in organic waste
The nutrients such as organic matter, N P and K, also measured in other containing more calcium etc. and microelement, agricultural fertilizer can be processed into,
And excrement is used as fertilizer Chinese long-standing.Organic waste is agricultural can not only to solve pollution problem, but also right after application
Soil physics, chemistry and biological character have certain improving effect.Therefore, the agricultural returning to the field of organic waste for China
It is the most feasible, the most suitable disposal method, reclaiming organic waste utilizes the development also complied under Chinese current national conditions
Trend.
Aerobic compost is to make mineralization organic matter, humification by fermentation under microbial action and innoxious become rotten
The process of ripe fertilizer can generate the available nitrogen, phosphorus, potassium compound that can be largely absorbed and used by plants, and can also synthesize
New macromolecule organic --- humus, it is the important component of organic fertilizer, and constitutes the important substance of soil fertility.
Organic waste is handled by aerobic compost and produces organic fertilizer, is organic waste harmless treatment and the weight that Fertilizer Transformed utilizes
Want approach.In addition, also occur in the market using special microbial bacterial agent come special fermentation process organic waste and produce have
Machine fertilizer, this treatment process are significantly improved in Traditional compost mode: using aerobic fermentation equipment and increasing rubbish
The quantity of beginning microorganism accelerates the fermentation of material, final output organic fertilizer.
Currently, all there is organic matter decomposition in the processing mode that either aerobic compost still uses equipment to carry out aerobic fermentation
Slowly, long processing period or fermentation period is short but material processing not exclusively, the problems such as product fertilizer efficiency is low.Meanwhile existing rubbish
Rubbish treatment process usually ignores by-product in garbage processing procedure (exhaust gas, waste water) secondary pollution problem caused by environment.
Further, since the phenomenon that there are heavy metal severe overweights in the house refuse of each department at present, and existing garbage treating process
In ignore harmfulness existing for heavy metal substantially, directly result in output material heavy metal and severely exceed, final fertilizer is again
Water and soil pollution is caused again using into soil, the transfer of heavy metal causes serious pollution to environment, more endangers our people
The health of class.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of organic waste recycling treatment process, to organic waste carry out it is solid,
Liquid separating treatment, different material distinguish recycling, improve organic waste recycling degree, during reduction treatment process
Heavy metal ion in emission and respectively elimination solid material and liquid utmostly reduces organic garbage treatment work to realize
Pollution problem of the skill to environment.
The technical solution adopted by the present invention is that:
A kind of domestic organic garbage recycling treatment process, comprising the following steps:
(1), domestic organic garbage is poured on the pigeonholes with solid-liquid separator and realizes by collection, metering weighing hypsokinesis
Preliminary to be separated by solid-liquid separation, liquid is manually rejected on pigeonholes macroscopic from the liquid outlet discharge below pigeonholes
The non-organic object that can not be handled, including porcelain, glass, metal；
(2), the domestic organic garbage after pigeonholes initial gross separation sorting enters horizontal conveying belt, domestic organic garbage
Tiling is taken in horizontal transmission to scatter, and can be sorted the non-organic object rejected and be hidden in domestic organic garbage again；
(3), domestic organic garbage is by the way that after horizontal conveying belt, into climbing conveyer belt, the top for conveyer belt of climbing is arranged
There is spray irrigation device, the grease stain on domestic organic garbage surface and the metal cation of adherency can be reduced by being sprayed,
Conveyer belt climb during being delivered up domestic organic garbage, the free water in domestic organic garbage relies on self gravity certainly
Dynamic reflux, from the liquid outlet discharge below pigeonholes；
(4), domestic organic garbage carries out crushing/dewatering by being transported in pulverizer after climbing conveyer belt, lives organic
Rubbish is directly fallen to after crushing/dewatering in the squeezing dewatering machine of lower section, by extra in squeezing removing domestic organic garbage
Moisture, and domestic organic garbage half-dried after squeezing is transported in high-temperature aerobic fermentation chamber, pulverizer and squeezing dewatering machine
The moisture of removing passes through the discharge outlet discharge immediately below squeezing dewatering machine；
(5), in high-temperature aerobic fermentation chamber, half-dried domestic organic garbage is organic under the conditions of high-temperature aerobic after squeezing
The fermentation of rubbish fermentation microbial inoculum fast decoupled；
(6), the output object by domestic organic garbage after everfermentation takes out from high-temperature aerobic fermentation chamber, is directly stacked at
Natural secondary biofermentation is carried out in compost slot；
(7), the material completed to natural secondary biofermentation sieves, and the rough material that will be unable to sieving returns to
It is fermented again in high-temperature aerobic fermentation chamber, organic fertilizer detection is carried out to the thin material after sieving, will test not up to standard
Material, which returns in compost slot, to carry out continuing natural secondary biofermentation, packs to the material for reaching organic fertilizer standard,
Obtain the SOLID ORGANIC fertilizer of finished product；
(8), the moisture of the discharge outlet discharge immediately below the liquid outlet and squeezing dewatering machine below pigeonholes is admitted to oil
Water-oil separating is carried out in water separation device, isolated oil and organic wastewater, oil can be used for manufacturing biodiesel or iundustrial oil；
(9), the isolated organic wastewater of oily-water seperating equipment is sent into sedimentation basin, and a huge sum of money is added into sedimentation basin
Belong to ion precipitation agent, is deposited to the heavy metal ion in organic wastewater in pool bottom sludge, to remove the weight in organic wastewater
Metal ion, then the supernatant in sedimentation basin is sent into aeration tank, organic waste aerobic fermentation microbial inoculum is added into aeration tank
Aerobic fermentation is carried out, fermentation liquid is obtained；
(10), fermentation liquid is sent into concentration tower and carries out high temperature concentration, killed microorganism remaining in fermentation liquid, steam simultaneously
The moisture for sending out extra is concentrated the nutriment in fermentation liquid and collects；
(11) fermentation liquid after taking concentration is detected, and fermentation liquid not up to standard is sent to and continues to send out in aeration tank
Ferment；
(12) according to the standard of organic liquid fertilizer, fermentation liquid up to standard is matched, reaching its nutritive proportion has
The standard of machine liquid fertilizer, to obtain organic liquid fertilizer.
Preferably, being provided with foul smell discharge outlet on the high-temperature aerobic fermentation chamber, foul smell is collected simultaneously by blower
It is sent into emission-control equipment, exhaust gas safety dumping after emission-control equipment deodorization purification is up to standard.
Preferably, in the step (5) organic refuse fermentation microbial inoculum to domestic organic garbage fast decoupled ferment when
Between be 24-48 hours so that the humidity of domestic organic garbage reduces to 40% or less.
Preferably, after natural secondary biofermentation, the humidity of output object is lower than output object in the step (6)
30%, material heap temperature is lower than 40 DEG C in compost slot.
Preferably, the time of organic waste aerobic fermentation microbial inoculum progress aerobic fermentation is 2-3 days in the step (9).
After the present invention handles organic waste, SOLID ORGANIC fertilizer, organic liquid fertilizer and oil are obtained, and solve
There are problems that exceeded heavy metal in fertilizer, the utilization rate of organic waste resource is increased to 95% or more, avoids organic
Water and soil pollution caused by rubbish enters in environment solves the problems, such as that organic waste is innoxious, resource utilization, while also solving
Modern garbage processing procedure material corruption is smelly, landfill leachate and a series of problems, such as Heavy-metal Polluted Environment.
Detailed description of the invention
Fig. 1 is work flow diagram of the invention.
Specific embodiment
The present invention is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment 1
A kind of domestic organic garbage recycling treatment process, comprising the following steps:
(1), domestic organic garbage is poured on the pigeonholes with solid-liquid separator and realizes by collection, metering weighing hypsokinesis
Preliminary to be separated by solid-liquid separation, liquid is manually rejected on pigeonholes macroscopic from the liquid outlet discharge below pigeonholes
The non-organic object that can not be handled, including porcelain, glass, metal；
(2), the domestic organic garbage after pigeonholes initial gross separation sorting enters horizontal conveying belt, domestic organic garbage
Tiling is taken in horizontal transmission to scatter, and can be sorted the non-organic object rejected and be hidden in domestic organic garbage again；
(3), domestic organic garbage is by the way that after horizontal conveying belt, into climbing conveyer belt, the top for conveyer belt of climbing is arranged
There is spray irrigation device, the grease stain on domestic organic garbage surface and the metal cation of adherency can be reduced by being sprayed,
Conveyer belt climb during being delivered up domestic organic garbage, the free water in domestic organic garbage relies on self gravity certainly
Dynamic reflux, from the liquid outlet discharge below pigeonholes；
(4), domestic organic garbage carries out crushing/dewatering by being transported in pulverizer after climbing conveyer belt, lives organic
Rubbish is directly fallen to after crushing/dewatering in the squeezing dewatering machine of lower section, by extra in squeezing removing domestic organic garbage
Moisture, and domestic organic garbage half-dried after squeezing is transported in high-temperature aerobic fermentation chamber, pulverizer and squeezing dewatering machine
The moisture of removing passes through the discharge outlet discharge immediately below squeezing dewatering machine；
(5), in high-temperature aerobic fermentation chamber, half-dried domestic organic garbage is added hundred under the conditions of high-temperature aerobic after squeezing
Column organic refuse fermentation I type microbial inoculum fast decoupled fermentation, by 24~48 hours high-temperature aerobic fermentations, so that organic rubbish of living
The humidity of rubbish reduces to 40% or less；
(6), the output object by domestic organic garbage after everfermentation takes out from high-temperature aerobic fermentation chamber, is directly stacked at
Natural secondary biofermentation is carried out in compost slot, so that the humidity of output object is lower than 30%, material heap temperature is lower than 40 in compost slot
DEG C, natural secondary biofermentation is evaporated by moisture extra in output object using the heat that microbial metabolism generates, simultaneously
In natural secondary biological fermentation process, microorganism makes the nutritional ingredient in output object reach equilibrium state；
(7), the material completed to natural secondary biofermentation sieves, and the rough material that will be unable to sieving returns to
It is fermented again in high-temperature aerobic fermentation chamber, organic fertilizer detection is carried out to the thin material after sieving, will test not up to standard
Material, which returns in compost slot, to carry out continuing natural secondary biofermentation, packs to the material for reaching organic fertilizer standard,
Obtain the SOLID ORGANIC fertilizer of finished product；
(8), the moisture of the discharge outlet discharge immediately below the liquid outlet and squeezing dewatering machine below pigeonholes is admitted to oil
Water-oil separating is carried out in water separation device, isolated oil and organic wastewater, oil can be used for manufacturing biodiesel or iundustrial oil；
(9), the isolated organic wastewater of oily-water seperating equipment is sent into sedimentation basin, and a huge sum of money is added into sedimentation basin
Belong to ion precipitation agent, is deposited to the heavy metal ion in organic wastewater in pool bottom sludge, to remove the weight in organic wastewater
Metal ion, then the supernatant in sedimentation basin is sent into aeration tank, the aerobic hair of Cambiel organic waste is added into aeration tank
Ferment II type microbial inoculum carries out aerobic fermentation 2-3 days, obtains fermentation liquid；
(10), fermentation liquid is sent into concentration tower and carries out high temperature concentration, killed microorganism remaining in fermentation liquid, steam simultaneously
The moisture for sending out extra is concentrated the nutriment in fermentation liquid and collects；
(11) fermentation liquid after taking concentration is detected, and fermentation liquid not up to standard is sent to and continues to send out in aeration tank
Ferment；
(12) according to the standard of organic liquid fertilizer, fermentation liquid up to standard is matched, reaching its nutritive proportion has
The standard of machine liquid fertilizer, to obtain organic liquid fertilizer.
For organic waste after process of the invention, obtained organic fertilizer technical indicator is as follows:
As can be seen from the above table, after process of the invention, obtained organic fertilizer complies fully with organic waste
Heavy metal pollution problem is not present in NY525 index.
Claims (5)
1. a kind of domestic organic garbage recycling treatment process, which comprises the following steps:
(1), domestic organic garbage passes through collection, metering weighing hypsokinesis is poured on the pigeonholes with solid-liquid separator and realizes tentatively
Be separated by solid-liquid separation, liquid from the liquid outlet discharge below pigeonholes, while manually reject on pigeonholes it is macroscopic can not
The non-organic object of processing, including porcelain, glass, metal；
(2), the domestic organic garbage after pigeonholes initial gross separation sorting enters horizontal conveying belt, and domestic organic garbage is in water
It flates pass to send and takes tiling and scatter, the non-organic object rejected and be hidden in domestic organic garbage can be sorted again；
(3), domestic organic garbage is by the way that after horizontal conveying belt, into climbing conveyer belt, the top for conveyer belt of climbing is provided with spray
Flusher is drenched, the grease stain on domestic organic garbage surface and the metal cation of adherency, climbing can be reduced by being sprayed
During being delivered up domestic organic garbage, the free water in domestic organic garbage returns conveyer belt automatically by self gravity
Stream, from the liquid outlet discharge below pigeonholes；
(4), domestic organic garbage carries out crushing/dewatering by being transported in pulverizer after climbing conveyer belt, domestic organic garbage
It is directly fallen to after crushing/dewatering in the squeezing dewatering machine of lower section, passes through water extra in squeezing removing domestic organic garbage
Point, and domestic organic garbage half-dried after squeezing is transported in high-temperature aerobic fermentation chamber, pulverizer and squeezing dewatering machine removing
Moisture pass through the discharge outlet discharge immediately below squeezing dewatering machine；
(5), in high-temperature aerobic fermentation chamber, half-dried domestic organic garbage is under the conditions of high-temperature aerobic by organic waste after squeezing
The fermentation of fermenting agent fast decoupled；
(6), the output object by domestic organic garbage after everfermentation takes out from high-temperature aerobic fermentation chamber, is directly stacked at compost
Natural secondary biofermentation is carried out in slot；
(7), the material completed to natural secondary biofermentation sieves, and the rough material that will be unable to sieving returns to high temperature
It is fermented again in aerobic fermentation chamber, organic fertilizer detection is carried out to the thin material after sieving, will test material not up to standard
Back to continuation natural secondary biofermentation is carried out in compost slot, the material for reaching organic fertilizer standard is packed, is obtained
The SOLID ORGANIC fertilizer of finished product；
(8), the moisture of the discharge outlet discharge immediately below the liquid outlet and squeezing dewatering machine below pigeonholes is admitted to grease point
From water-oil separating is carried out in device, isolated oil and organic wastewater, oil can be used for manufacturing biodiesel or iundustrial oil；
(9), the isolated organic wastewater of oily-water seperating equipment is sent into sedimentation basin, and be added into sedimentation basin heavy metal from
Sub- precipitating reagent is deposited to the heavy metal ion in organic wastewater in pool bottom sludge, to remove the heavy metal in organic wastewater
Ion, then the supernatant in sedimentation basin is sent into aeration tank, organic waste aerobic fermentation microbial inoculum is added into aeration tank and carries out
Aerobic fermentation obtains fermentation liquid；
(10), fermentation liquid is sent into concentration tower and carries out high temperature concentration, kill microorganism remaining in fermentation liquid, while evaporating more
Remaining moisture is concentrated the nutriment in fermentation liquid and collects；
(11) fermentation liquid after taking concentration is detected, and fermentation liquid not up to standard is sent to and continues to ferment in aeration tank；
(12) according to the standard of organic liquid fertilizer, fermentation liquid up to standard is matched, its nutritive proportion is made to reach organic liquor
The standard of state fertilizer, to obtain organic liquid fertilizer.
2. a kind of domestic organic garbage recycling treatment process according to claim 1, which is characterized in that the high temperature
It is provided with foul smell discharge outlet on aerobic fermentation chamber, foul smell is collected and fed into emission-control equipment by blower, exhaust gas passes through
Safety dumping after emission-control equipment deodorization purification is up to standard.
3. a kind of domestic organic garbage recycling treatment process according to claim 1 or 2, which is characterized in that the step
Suddenly organic refuse fermentation microbial inoculum is 24-48 hours to the time that domestic organic garbage fast decoupled ferments in (5), so that life has
The humidity of machine rubbish reduces to 40% or less.
4. a kind of domestic organic garbage recycling treatment process according to claim 3, which is characterized in that the step
(6) output object is after natural secondary biofermentation in, and the humidity of output object is lower than 30%, and material heap temperature is lower than 40 in compost slot
℃。
5. a kind of domestic organic garbage recycling treatment process according to claim 4, which is characterized in that the step
(9) time of organic waste aerobic fermentation microbial inoculum progress aerobic fermentation is 2-3 days in.
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