CN108176702A - A kind of kitchen garbage treatment process of sewage zero waste gas emission - Google Patents
A kind of kitchen garbage treatment process of sewage zero waste gas emission Download PDFInfo
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- CN108176702A CN108176702A CN201810085749.9A CN201810085749A CN108176702A CN 108176702 A CN108176702 A CN 108176702A CN 201810085749 A CN201810085749 A CN 201810085749A CN 108176702 A CN108176702 A CN 108176702A
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- kitchen garbage
- sewage
- treatment process
- waste gas
- gas emission
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 87
- 239000010865 sewage Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000002912 waste gas Substances 0.000 title claims abstract description 19
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 241000186660 Lactobacillus Species 0.000 claims abstract description 30
- 229940039696 lactobacillus Drugs 0.000 claims abstract description 30
- 239000000725 suspension Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 27
- 241000894006 Bacteria Species 0.000 claims abstract description 19
- 235000014655 lactic acid Nutrition 0.000 claims abstract description 19
- 239000004310 lactic acid Substances 0.000 claims abstract description 19
- 241000238631 Hexapoda Species 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000000855 fermentation Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000003895 organic fertilizer Substances 0.000 claims abstract description 9
- 238000004064 recycling Methods 0.000 claims abstract description 9
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 7
- 238000011534 incubation Methods 0.000 claims abstract description 7
- 239000005416 organic matter Substances 0.000 claims abstract description 7
- 235000009566 rice Nutrition 0.000 claims abstract description 7
- 235000015099 wheat brans Nutrition 0.000 claims abstract description 7
- 239000010779 crude oil Substances 0.000 claims abstract description 6
- 235000013305 food Nutrition 0.000 claims abstract description 6
- 240000007594 Oryza sativa Species 0.000 claims abstract 2
- 239000012535 impurity Substances 0.000 claims description 24
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 230000004151 fermentation Effects 0.000 claims description 5
- 241000588724 Escherichia coli Species 0.000 claims description 4
- 240000005979 Hordeum vulgare Species 0.000 claims description 4
- 235000007340 Hordeum vulgare Nutrition 0.000 claims description 4
- 238000004332 deodorization Methods 0.000 claims description 4
- 241001674044 Blattodea Species 0.000 claims description 3
- 241001481656 Stratiomyidae Species 0.000 claims description 3
- 238000011081 inoculation Methods 0.000 claims description 2
- 238000007781 pre-processing Methods 0.000 claims description 2
- 239000003337 fertilizer Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 17
- 239000002994 raw material Substances 0.000 abstract description 7
- 239000002351 wastewater Substances 0.000 abstract description 2
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 15
- 239000002184 metal Substances 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 241000209094 Oryza Species 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000037358 bacterial metabolism Effects 0.000 description 3
- 239000003225 biodiesel Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 239000010806 kitchen waste Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002341 toxic gas Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 241000254173 Coleoptera Species 0.000 description 1
- 108010060231 Insect Proteins Proteins 0.000 description 1
- 241000231739 Rutilus rutilus Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 210000002429 large intestine Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 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
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/90—Feeding-stuffs specially adapted for particular animals for insects, e.g. bees or silkworms
-
- 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
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/02—Apparatus for the manufacture
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Physiology (AREA)
- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Botany (AREA)
- Mycology (AREA)
- Animal Behavior & Ethology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Thermal Sciences (AREA)
- Insects & Arthropods (AREA)
- Birds (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of kitchen garbage treatment process of sewage zero waste gas emission, include the following steps：Kitchen garbage is pre-processed, while the sewage in kitchen garbage is leached into progress water-oil separating and obtains sewage and crude oil fat；Thin material is obtained by the kitchen garbage grinding after bleeding sewage and after squeezing；Culture lactic acid bacteria is used to prepare lactobacillus suspension using sewage as organic matter in lactic acid bacteria incubation, the lactobacillus-fermented that lactobacillus suspension carries out 46 days is added in after thin material is mixed with sewage；The kitchen garbage completed of fermenting adds in dry material and carries out batch mixing, its moisture content is made to raise recycling insect after being reduced to 70% 75%；The excrement of recycling insect is processed as organic fertilizer, recycling insect is processed as dry worm.Technique of the present invention is generated without any waste water, exhaust gas, and sewage is not required to anaerobic fermentation and sewage disposal discharge, directly as raw material and wheat bran, rice chaff or food processing leftover bits and pieces mixed breed recycling insect.
Description
Technical field
The invention belongs to kitchen garbage treatment process field, more particularly, to a kind of kitchen garbage treatment process.
Background technology
Existing kitchen garbage handles main technique：Pretreatment+anaerobic fermentation+marsh gas purifying+sewage disposal.Kitchen garbage
Receipts, which are transported to dispose in factory, first passes through pretreatment, and it is inorganic miscellaneous will to receive the metal carried in the kitchen garbage transported back and, plastics, wooden chopsticks etc.
Matter is separated, while the sewage in kitchen garbage is leached, and is leached the sewage come and is entered follow-up anaerobic system after oil removing.
Kitchen garbage after removal of impurities enters follow-up anaerobic system together with the sewage after oil removing, and the biogas residue after anaerobic fermentation can be processed into
Machine is fertile, and the sewage after anaerobic fermentation enters sewage disposal system, and the biogas that anaerobic fermentation generates supplies biogas after carrying out marsh gas purifying
Boiler uses.The maladorous gas generated in production process is discharged into air after the process such as biofiltration.
Above-mentioned kitchen garbage complex treatment process, investment is big, and the sewage after anaerobic fermentation needs to enter sewage disposal device
Processing is carried out to reach discharge standard and could discharge.Although sewage and exhaust gas all through processing it is up to standard after discharge, but still have sewage and
Exhaust gas discharges, and is unable to reach the technique effect of sewage and zero waste gas emission, as processing equipment failure also has discharge beyond standards
It is dangerous.
Invention content
In view of this, the present invention is directed to propose a kind of kitchen garbage treatment process of sewage zero waste gas emission, existing to solve
Some kitchen garbage complex treatment process invest the technical issues of big and sewage effluent exhaust gas.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of kitchen garbage treatment process of sewage zero waste gas emission, includes the following steps：
S1, kitchen garbage is carried out to inorganic impurity in pretreatment removal kitchen garbage, while by the dirt in kitchen garbage
Water leaches progress water-oil separating and obtains sewage and crude oil fat；
S2, will leach the kitchen garbage after sewage be successively put into broken pulper and extruder be ground and squeeze after must
To thin material；
S3, lactobacillus inoculation carried out to culture prepare lactobacillus suspension, and using water-oil separating obtains in step S1 sewage as
One of organic matter use in lactic acid bacteria incubation；
S4, lactobacillus suspension is added in after the thin material that step S2 is obtained is mixed with the sewage that water-oil separating obtains in step S1
The lactobacillus-fermented of 4-6 days is carried out, fermentation temperature remains 20-35 DEG C；
S5, the kitchen garbage for completion of fermenting is added in dry material progress batch mixing, after its moisture content is made to be reduced to less than 70%
Raise resource insect；
S6, the excrement of recycling insect is processed as to organic fertilizer, recycling insect is processed as dry worm.
Further, lactobacillus suspension made from step S4 is sprayed in the preprocessing process of the step S1 and carries out deodorization.
Further, the effective content of lactobacillus suspension made from the step S3 is 1 × 109-3×109Cfu/ml, large intestine
The content of bacillus is 1-3mpn/100ml, total plate count 2000-4000cfu/ml.
Further, the additive amount of lactobacillus suspension adds in 0.5-0.8kg for kitchen garbage per ton in the step S4.
Further, the dry material is wheat bran, rice chaff and food processing leftover bits and pieces.
Further, the recycling insect is black soldier flies, cockroach, barley worm or fly maggot.
Further, kitchen garbage and the moisture control after dry material batch mixing are about 70-75% in the step S5.
Further, the step S6 for the step S5 insects raised are put into frass seperator respectively obtain frass and
Fresh worm ferments frass to obtain organic fertilizer, and fresh worm progress microwave drying is obtained dry worm.
Above entire technique is generated without any waste water, exhaust gas, and sewage is not required to anaerobic fermentation and sewage disposal discharge, directly makees
Culture resources insect is mixed for raw material and wheat bran, rice chaff, food leftover bits and pieces etc., maladorous gas is prevented using lactobacillus-fermented
Body generates.
Relative to the prior art, the kitchen garbage treatment process of sewage zero waste gas emission of the present invention is with following excellent
Gesture：
(1) treatment process of the present invention is discharged without any kitchen waste sewage, kitchen waste sewage as raw material with
Culture resources insect is gone in the mixing such as wheat bran, rice chaff, food leftover bits and pieces, without water treatment facilities, without sewage discharge.
(2) the ordorless property gas discharge for the treatment of process of the present invention, using lactobacillus-fermented, contains on source
The generation of foul smell is generated without maladorous gas, without processing gas.This lactic acid bacteria adds in kitchen garbage drip in incubation
Water is cultivated as organic matter, and nutriment is not only contained in kitchen garbage draining, while also increases the lactic acid after cultivating
Bacterium is to the adaptation containing putrefactivebacteria in kitchen garbage and digestion power.
Description of the drawings
Fig. 1 is the process flow chart of the kitchen garbage treatment process of sewage zero waste gas emission of the present invention.
Specific embodiment
In addition to being defined, technical term used in following embodiment has universal with those skilled in the art of the invention
The identical meanings of understanding.Test reagent used in following embodiment is conventional biochemical reagent unless otherwise specified；It is described
Experimental method is conventional method unless otherwise specified.
With reference to embodiment and attached drawing, the present invention will be described in detail.
Embodiment 1
A kind of kitchen garbage treatment process of sewage zero waste gas emission, includes the following steps：
S1, kitchen garbage is carried out to inorganic impurity in pretreatment removal kitchen garbage, while by the dirt in kitchen garbage
Water leaches progress water-oil separating and obtains sewage and crude oil fat；
This step separates the inorganic impurities such as the metal carried in kitchen garbage, plastics, wooden chopsticks, and isolated is thick
It is sold outside grease and does biodiesel.
S2, will leach the kitchen garbage after sewage be successively put into broken pulper and extruder be ground and squeeze after must
To thin material；
Specifically, the concrete operations of step S1 and step S2 are as follows：The kitchen that will be delivered in receiving hopper by material grasping bucket
Rubbish is delivered to broken pulper, and broken pulper is not afraid of the influence of the impurity such as metal and plastics, has nearly 2 in broken pulper
The abrasion-proof steel ball of ton, kitchen garbage is broken into slurry form by these steel balls crushed in pulper, by metal, plastics, chopsticks etc.
Impurity pounds into the bulk of very little, the broken pulper of inorganic impurity discharge of subsequent kitchen garbage slurry and fritter.From broken slurrying
The kitchen garbage slurry and the inorganic impurity of fritter that machine comes out are admitted in extruder, and filter screen is equipped in extruder barrel body, are squeezed
Inorganic impurity is pressed into cylinder bottom by press by hydraulic device, and kitchen garbage slurry is extruded filter screen and enters slurry storage
Layer forms thin material, and the thin material of storage layer is pumped into subsequent processing units by screw pump.
S3, culture will be carried out in lactic acid bacteria prepare lactobacillus suspension, and using water-oil separating obtains in step S1 sewage as
One of organic matter use in lactic acid bacteria incubation；To prepare the equal bucket prior art of raw material and technique identical for other of lactobacillus suspension.
Specifically, the design parameter that lactobacillus suspension obtained measures is：Effective content is 1 × 109Cfu/ml, the content of Escherichia coli are
3mpn/100ml, total plate count 2000cfu/ml.
S4, lactobacillus suspension is added in after the thin material that step S2 is obtained is mixed with the sewage that water-oil separating obtains in step S1
The lactobacillus-fermented of 5 days is carried out, the additive amount of lactobacillus suspension adds in 0.5kg for kitchen garbage per ton, and fermentation temperature remains 30
℃；
Lactic acid bacteria can absorb the toxic gases such as hydrogen sulfide, the ammonia in its living environment as self energy, bacterial metabolism
The high concentration lactic acid (below zymotic fluid PH3.8) of generation can kill most of saprophytic bacteria for generating foul gas.
S5, by ferment complete kitchen garbage add in wheat bran carry out batch mixing, make its moisture content be reduced to 70% after feeding black
Stratiomyiid；
S6, it the step S5 black soldier flies raised is put into frass seperator respectively obtains frass and fresh worm, frass is fermented
Organic fertilizer is obtained, can be sold, fresh worm progress microwave drying is obtained into dry worm, can be sold.
Embodiment 2
A kind of kitchen garbage treatment process of sewage zero waste gas emission, includes the following steps：
S1, kitchen garbage is carried out to inorganic impurity in pretreatment removal kitchen garbage, while by the dirt in kitchen garbage
Water leaches progress water-oil separating and obtains sewage and crude oil fat；
This step separates the inorganic impurities such as the metal carried in kitchen garbage, plastics, wooden chopsticks, and isolated is thick
It is sold outside grease and does biodiesel.
S2, will leach the kitchen garbage after sewage be successively put into broken pulper and extruder be ground and squeeze after must
To thin material；
The concrete operations of step S1 and step S2 are as follows：The kitchen garbage being delivered in receiving hopper is conveyed by material grasping bucket
To broken pulper, broken pulper is not afraid of the influence of the impurity such as metal and plastics, there is nearly 2 tons wear-resisting in broken pulper
Kitchen garbage is broken into slurry form, the impurity such as metal, plastics, chopsticks is pounded by steel ball, these steel balls crushed in pulper
The broken pulper of inorganic impurity discharge of the bulk of very little, subsequent kitchen garbage slurry and fritter.It is come out from broken pulper
The inorganic impurity of kitchen garbage slurry and fritter is admitted in extruder, and filter screen is equipped in extruder barrel body, and extruder passes through
By inorganic impurity press-in cylinder bottom, kitchen garbage slurry is extruded filter screen and enters slurry storage layer to be formed carefully hydraulic device
The thin material of storage layer is pumped into subsequent processing units by material by screw pump.
S3, culture will be carried out in lactic acid bacteria prepare lactobacillus suspension, and using water-oil separating obtains in step S1 sewage as
One of organic matter use in lactic acid bacteria incubation；To prepare the equal bucket prior art of raw material and technique identical for other of lactobacillus suspension.
Specifically, the design parameter that lactobacillus suspension obtained measures is：Effective content is 2.6 × 109Cfu/ml, the content of Escherichia coli
For 1mpn/100ml, total plate count 3500cfu/ml.
S4, lactobacillus suspension is added in after the thin material that step S2 is obtained is mixed with the sewage that water-oil separating obtains in step S1
The lactobacillus-fermented of 5 days is carried out, the additive amount of lactobacillus suspension adds in 0.7kg for kitchen garbage per ton, and fermentation temperature remains 30
℃；
Lactic acid bacteria can absorb the toxic gases such as hydrogen sulfide, the ammonia in its living environment as self energy, bacterial metabolism
The high concentration lactic acid (below zymotic fluid PH3.8) of generation can kill most of saprophytic bacteria for generating foul gas.
In addition, the exhaust gas and foul smell in order to be further reduced in kitchen garbage processing procedure generate, in step S1 and step
The lactobacillus suspension of step S4 preparations is sprayed in the processing procedure of S2 in right amount.
S5, the kitchen garbage for completion of fermenting is added in rice chaff progress batch mixing, its moisture content is made to raise roach after being reduced to 70%
Dung beetle；
S6, it the step S5 cockroaches raised is put into frass seperator respectively obtains frass and fresh worm, frass is fermented
It to organic fertilizer, can sell, fresh worm progress microwave drying is obtained into dry worm, can be sold.
Embodiment 3
A kind of kitchen garbage treatment process of sewage zero waste gas emission, includes the following steps：
S1, kitchen garbage is carried out to inorganic impurity in pretreatment removal kitchen garbage, while by the dirt in kitchen garbage
Water leaches progress water-oil separating and obtains sewage and crude oil fat；
This step separates the inorganic impurities such as the metal carried in kitchen garbage, plastics, wooden chopsticks, and isolated is thick
It is sold outside grease and does biodiesel.
S2, will leach the kitchen garbage after sewage be successively put into broken pulper and extruder be ground and squeeze after must
To thin material；
The concrete operations of step S1 and step S2 are as follows：The kitchen garbage being delivered in receiving hopper is conveyed by material grasping bucket
To broken pulper, broken pulper is not afraid of the influence of the impurity such as metal and plastics, there is nearly 2 tons wear-resisting in broken pulper
Kitchen garbage is broken into slurry form, the impurity such as metal, plastics, chopsticks is pounded by steel ball, these steel balls crushed in pulper
The broken pulper of inorganic impurity discharge of the bulk of very little, subsequent kitchen garbage slurry and fritter.It is come out from broken pulper
The inorganic impurity of kitchen garbage slurry and fritter is admitted in extruder, and filter screen is equipped in extruder barrel body, and extruder passes through
By inorganic impurity press-in cylinder bottom, kitchen garbage slurry is extruded filter screen and enters slurry storage layer to be formed carefully hydraulic device
The thin material of storage layer is pumped into subsequent processing units by material by screw pump.
S3, culture will be carried out in lactic acid bacteria prepare lactobacillus suspension, and using water-oil separating obtains in step S1 sewage as
One of organic matter use in lactic acid bacteria incubation；To prepare the equal bucket prior art of raw material and technique identical for other of lactobacillus suspension.
Specifically, the design parameter that lactic acid bacteria obtained measures is：Effective content is 3 × 109Cfu/ml, the content of Escherichia coli are
2mpn/100ml, total plate count 4000cfu/ml.
S4, lactobacillus suspension is added in after the thin material that step S2 is obtained is mixed with the sewage that water-oil separating obtains in step S1
The lactobacillus-fermented of 5 days is carried out, the additive amount of lactobacillus suspension adds in 0.8kg for kitchen garbage per ton, and fermentation temperature remains 25
℃；
Lactic acid bacteria can absorb the toxic gases such as hydrogen sulfide, the ammonia in its living environment as self energy, bacterial metabolism
The high concentration lactic acid (below zymotic fluid PH3.8) of generation can kill most of saprophytic bacteria for generating foul gas.
In addition, the exhaust gas and foul smell in order to be further reduced in kitchen garbage processing procedure generate, in step S1 and step
The lactobacillus suspension of step S4 preparations is sprayed in the processing procedure of S2 in right amount.
S5, the kitchen garbage for completion of fermenting is added in corn stalk powder progress batch mixing, after its moisture content is made to be reduced to 55%
Raise barley worm；
S6, it the barley worm that step S5 is raised is put into frass seperator respectively obtains frass and fresh worm, frass is fermented
Organic fertilizer is obtained, can be sold, fresh worm progress microwave drying is obtained into dry worm, can be sold.
Above-mentioned treatment process has the following advantages that：
(1) it invests small.Without equipment such as anaerobic fermentation, sewage disposal, deodorizations, entire technology investment substantially reduces
(2) without any sewage discharge, kitchen waste sewage is mixed as food processings leftover bits and pieces such as raw material and wheat bran, rice chaff etc.
Culture resources insect is gone in conjunction, without carrying out the sewage disposal in later stage.
(3) ordorless property gas discharge, using lactobacillus-fermented, ordorless property gas generates, without using the side such as biology
Method carries out deodorization.
(4) byproduct of entire technique is only organic fertilizer and dry worm, and no any secondary pollution substance discharges.
(5) product income is big, and the by-product of resource insect processing kitchen garbage is secondary for organic fertilizer and insect protein (dry worm)
Product selling price is high, and product income is big.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of kitchen garbage treatment process of sewage zero waste gas emission, it is characterised in that：Include the following steps：
S1, kitchen garbage is carried out to pre-process the inorganic impurity in removal kitchen garbage, while the sewage in kitchen garbage is dripped
Go out to carry out water-oil separating to obtain sewage and crude oil fat；
S2, will leach the kitchen garbage after sewage be successively put into broken pulper and extruder be ground and squeeze after obtain carefully
Material；
S3, it lactobacillus inoculation is carried out to culture prepares lactobacillus suspension, and using the sewage that water-oil separating obtains in step S1 as lactic acid
One of organic matter use in bacterium incubation；
S4, lactobacillus suspension progress is added in after the thin material that step S2 is obtained is mixed with the sewage that water-oil separating obtains in step S1
The lactobacillus-fermented of 4-6 days, fermentation temperature remain 20-35 DEG C；
S5, the kitchen garbage for completion of fermenting is added in dry material progress batch mixing, its moisture content is made to be raised after being reduced to 70%-75%
Resource insect；
S6, the excrement of recycling insect is processed as to organic fertilizer, recycling insect is processed as dry worm.
2. the kitchen garbage treatment process of sewage zero waste gas emission according to claim 1, it is characterised in that：The step
Lactobacillus suspension made from step S4 is sprayed in the preprocessing process of S1 and carries out deodorization.
3. the kitchen garbage treatment process of sewage zero waste gas emission according to claim 1, it is characterised in that：The step
The effective content of lactobacillus suspension made from S3 is 1 × 109-3×109Cfu/ml, the content of Escherichia coli is 1-3mpn/100ml,
Total plate count is 2000-4000cfu/ml.
4. the kitchen garbage treatment process of sewage zero waste gas emission according to claim 3, it is characterised in that：The step
The additive amount of lactobacillus suspension adds in 0.5-0.8kg for kitchen garbage per ton in S4.
5. the kitchen garbage treatment process of sewage zero waste gas emission according to claim 1, it is characterised in that：The dry
Expect for wheat bran, rice chaff and food processing leftover bits and pieces.
6. the kitchen garbage treatment process of sewage zero waste gas emission according to claim 1, it is characterised in that：The resource
Change insect is black soldier flies, cockroach, barley worm or fly maggot.
7. the kitchen garbage treatment process of sewage zero waste gas emission according to claim 1, it is characterised in that：The step
Kitchen garbage and the moisture control after dry material batch mixing are about 70-75% in S5.
8. the kitchen garbage treatment process of any sewage zero waste gas emission in claim 1-7, it is characterised in that：It is described
Step S6 respectively obtains frass and fresh worm for the step S5 insects raised are put into frass seperator, and frass, which is fermented, to be had
Fresh worm progress microwave drying is obtained dry worm by machine fertilizer.
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| CN108889767A (en) * | 2018-07-06 | 2018-11-27 | 浙江百思达科技有限公司 | Novel kitchen refuse disposal system and utilize method |
| CN109047298A (en) * | 2018-09-30 | 2018-12-21 | 广东惜福环保科技有限公司 | Centralized kitchen garbage is classified digestion process |
| CN109907187A (en) * | 2019-01-14 | 2019-06-21 | 齐鲁工业大学 | A method of feed is produced using blattaria consumption kitchen garbage biogas project biogas residue |
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| CN112725181A (en) * | 2021-02-02 | 2021-04-30 | 南京大学（溧水）生态环境研究院 | Process method for separating and purifying lactic acid bacteria from intestinal tracts of hermetia illucens larvae and preparing microbial inoculum |
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