CN107760583A - A kind of waste residue of potato process deeply industry, the utilization system of waste water - Google Patents
A kind of waste residue of potato process deeply industry, the utilization system of waste water Download PDFInfo
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- CN107760583A CN107760583A CN201711259091.0A CN201711259091A CN107760583A CN 107760583 A CN107760583 A CN 107760583A CN 201711259091 A CN201711259091 A CN 201711259091A CN 107760583 A CN107760583 A CN 107760583A
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- 239000002699 waste material Substances 0.000 title claims abstract description 22
- 244000061456 Solanum tuberosum Species 0.000 title claims abstract description 19
- 235000002595 Solanum tuberosum Nutrition 0.000 title claims abstract description 19
- 239000002351 wastewater Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000000855 fermentation Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000004151 fermentation Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 8
- 239000003337 fertilizer Substances 0.000 claims abstract description 6
- 210000003608 fece Anatomy 0.000 claims abstract description 4
- 239000010871 livestock manure Substances 0.000 claims abstract description 4
- 239000010802 sludge Substances 0.000 claims abstract description 4
- 230000018044 dehydration Effects 0.000 claims abstract description 3
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims 1
- 230000023556 desulfurization Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003895 organic fertilizer Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 20
- 238000009413 insulation Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 102000009091 Amyloidogenic Proteins Human genes 0.000 description 1
- 108010048112 Amyloidogenic Proteins Proteins 0.000 description 1
- 241000256113 Culicidae Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 235000013575 mashed potatoes Nutrition 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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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
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
- C02F3/28—Anaerobic digestion processes
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- 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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
- C05F5/002—Solid waste from mechanical processing of material, e.g. seed coats, olive pits, almond shells, fruit residue, rice hulls
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M43/00—Combinations of bioreactors or fermenters with other apparatus
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
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- 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
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- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
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- 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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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
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- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
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- General Health & Medical Sciences (AREA)
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- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Molecular Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Botany (AREA)
- Clinical Laboratory Science (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention proposes that a kind of waste residue of potato process deeply industry, the utilization system of waste water, including pretreatment unit, fermentation unit, gas disposal unit, gas include homogenate pond, grid pond, feed tank using unit, the fertile unit of system, the pretreatment unit；The fermentation unit main body is anaerobic fermentation tank；The gas disposal unit includes dehydration device, desulfurizer, meter, gas tank successively；Liquid in anaerobic fermentation tank enters discharge pond, and biogas slurry, sludge enter equipment for separating liquid from solid, and the liquid isolated is used for Liquid Fertilizer processed, the biogas residue isolated, dried, and crushes, packs and be used as base manure.Beneficial effect：Changing rejected material to useful resource is realized, after biogas engineering is handled, there can be preferable economic value with the output renewable sources of energy (biogas electric energy), organic fertilizer (solid-liquid).It is ecological friendly, realize the benign cycle of the ecosystem.Pollution administration and development of resources are combined.
Description
Technical field
The invention belongs to solid-liquid waste process field, it is related to waste residue, the processing unit of waste water of potato process deeply industry.
Background technology
60,000 tons of potato can be handled 1 year, produce the potato processing enterprise of potato flakes, 8000 tons of starch
Industry.Peeling, section, cleaning, drum-type drying can all produce some byproducts and waste material in process, wherein peeling link is produced
Raw waste material slag crust calculates (i.e. 60000 tons × 15%=9000 ton) by the 15% of raw material；It is to calculate for 8 months by a production cycle, the moon
Produce 1125 tons of slag crust amount；Monthly by calculating 26 produces days, 4 cleaning days, daily output slag crust amount is 43 tons.Other waste residues also wrap
Include：In the rotten potato that production period is picked out；Leftover pieces in slicing processes；The amyloid proteins that slicing processes middle reaches separate out；Clearly
Wash caused potato peel and hack beans in process；Caused useless mashed potatoes etc., can produce waste residue amount daily altogether in drying course
For 10 tons or so.It is average daily to produce waste water 260-400 tons.It can be seen that the yield of waste material, waste water is bigger.Usual waste water can convey
Handled to sewage treatment plant, and waste residue is dumped rubbish field, but contain large amount of organic in waste residue, by dividing naturally if heap is high-volume big
Solution can not be completed in time, produce waste gas, foul smell, polluted underground water, especially arid area ecology fragility be oozed under soiling solution, disorderly row is random
Be rivals in a contest environment influence it is bigger.
The content of the invention
The present invention seeks to a kind of waste residue of potato process deeply industry, the utilization system of waste water.
The technical scheme is that：A kind of waste residue of potato process deeply industry, the utilization system of waste water, including
Pretreatment unit, fermentation unit, gas disposal unit, gas using unit, the fertile unit of system, the pretreatment unit include homogenate pond,
Grid pond, feed tank, the waste residue of fermentation is treated in pond, waste water is stirred uniformly for homogenate, and the material after homogeneous in grid pond by setting
Heating tube preheats to material inside the grid put, and the material of preheating is by entering fermentation unit after feed tank；The fermentation unit
Main body is anaerobic fermentation tank, and the biogas of anaerobic fermentation tank output enters gas disposal unit, and the gas disposal unit includes de- successively
Water installations, desulfurizer, meter, gas tank, the biogas in gas tank are input to gas and use unit；The gas uses unit bag
Include factory building gas boiler and living area gas transmission pipeline net work；Liquid in anaerobic fermentation tank enters discharge pond, liquid in discharge pond and
Bottom sludge in anaerobic fermentation tank enters equipment for separating liquid from solid, and the liquid isolated flows to biogas slurry storage pond, biogas slurry storage pond
In biogas slurry transfer be transported to liquid fertilizer workshop, the biogas residue isolated in addition, dried, crush, pack and be used as base manure.
The anaerobic fermentation tank is intermediate temperature anaerobic fermentation tank, 33~35 DEG C of temperature.
A part of liquid that the equipment for separating liquid from solid is isolated is back to pretreatment unit by pipeline.
Further to be additionally provided with solar thermal collection system, heating tube is hydro-thermal mode inside grid, solar thermal collection system
Heated for pretreatment unit, be fermentation unit insulation.
The beneficial effects of the invention are as follows：Changing rejected material to useful resource is realized, can be with output Regenerated energy after biogas engineering is handled
Source (biogas electric energy), organic fertilizer (solid-liquid), there is preferable economic value.It is ecological friendly, it then follows recycling economy instructs
Thought, according to material circulation, the ecological general principle of energy flow, strengthen breeding balance, promote planting industry to have with processing industry
Machine combines, and realizes the benign cycle of the ecosystem.
Environmental benefit, social benefit, economic benefit are taken into account, pollution administration and development of resources are combined, is used
Sophisticated equipment integrates, reliable in quality, the horizontal industry-leading of energy-saving and emission-reduction.
Brief description of the drawings
Fig. 1 is the process chart of the present invention.
Embodiment
A kind of waste residue of potato process deeply industry, the utilization system of waste water, it is characterized in that：It is single including pretreatment
Using unit, the fertile unit of system, the pretreatment unit includes homogenate pond, grid pond, entered for member, fermentation unit, gas disposal unit, gas
Material pond, the waste residue of fermentation is treated in pond, waste water is stirred uniformly for homogenate, and the material after homogeneous further removes bulk by grid pond
Non-fermented thing, while heating tube preheats to material inside grid, the material of preheating by entering fermentation unit after feed tank, or
Person preheats in feed tank to material；The fermentation unit main body is anaerobic fermentation tank, and the biogas of anaerobic fermentation tank output enters gas
Processing unit, the gas disposal unit include dehydration device, desulfurizer, meter, gas tank successively, the biogas in gas tank
It is input to gas and uses unit；The gas includes factory building gas boiler and living area gas transmission pipeline net work using unit；In anaerobic fermentation tank
Liquid enter discharge pond, the bottom sludge in liquid and anaerobic fermentation tank in discharge pond enters equipment for separating liquid from solid, separates
The liquid gone out flows to biogas slurry storage pond, and the biogas slurry transfer that biogas slurry is deposited in pond is transported to liquid fertilizer workshop, and production liquid has
Machine fertilizer, being filled to after Plastic Drum can be for sale, the biogas residue isolated in addition, is dried, and crushes, packs and be used as base manure,
The farmland near plant area can be applied to by fertilizer applicator, realize industry and the combination of agricultural with Bulk Transport.
The anaerobic fermentation tank is intermediate temperature anaerobic fermentation tank, 33~35 DEG C of temperature.Nonpoisonous and tasteless operation, through after a while
Anaerobic fermentation, can remove the COD about 85% or so in sewage, viral bacterium killing rate more than 96%, eliminate and mosquitos and flies breeding place and post
The parasitic body of infested growth.
A part of liquid that equipment for separating liquid from solid is isolated is back to pretreatment unit by pipeline, makes water circulation, simultaneously
Reduce the injected volume of fermented bacterium.
In order to meet the energy requirement of winter operation, solar thermal collection system is additionally provided with, heating tube is hydro-thermal inside grid
Mode, solar thermal collection system are pretreatment unit heating, are fermentation unit insulation.To ensure winter anaeroic digestor constant
Normal operation under medium temperature condition, integral heat insulation measure must be implemented to system, system integral heat insulation includes pipeline, valve heat insulation,
The insulation of anaerobic fermentation tank.The materials such as rock wool, polyurethane can be used to carry out reinforcing insulation anaerobic digestor.
Can handle 60,000 tons of potato the year described in background technology, waste residue amount is 53 ton per days or so, produces waste water 260-
Exemplified by 400 ton per days.Anaerobic fermentation tank：Daily inlet amount is：200t, anaerobic digestion hydraulic retention times 20d, then reactor have
Effect volume is 4000m3, then intended diameter 12.0m × high 9.0m, volume 1000m is selected3Anaerobic fermentation tank 4.
Biogas output：Biogas 4248m can be produced daily3, collect storage 1500m3
Including：(1) 0.35m can be produced by often removing 1kgCOD3Methane, COD clearances are 85%, potato full-powder processing COD of sewage
(measured value) value 15000mg/L, it is 60% to produce fire damp content, then can produce biogas about 967m daily3；
(2) often degraded 1kg dry matter contents can produce biogas about 0.35m3, dry matter content degradation rate is 75%, then can produce daily
Biogas about 3281m3。
Biogas residue, biogas slurry yield:
Biogas residue amount：Potato slag preprocessed stage and anaerobic stages, dry are degraded 75%, while natural pond is produced after separation of solid and liquid
In liquid containing dry 5%, the water content of biogas residue is 60%；
Biogas residue has a daily output of：12.5t/d×(1-75%)×(1-5%)÷(1-60%)=7.0t/d；
The annual production of biogas residue is：7.0×365=2600t/a；
Produce biogas and biogas can take away partial moisture while moisture, the dry density of biogas is about 1.19Kg/m3, methane station day
Produce biogas 4248m3, water content at 37 DEG C in biogas is 0.15Kg water/kg biogas, therefore the water content that daily biogas is taken away is about
For 0.8t.
Biogas slurry has a daily output of：12.5 /6.25%-7.0 -5.1 -0.8 =187t/d；
Biogas slurry understands flow：20t/d,
The annual production of biogas slurry is：The t of 167t/d × 365=6.1 ten thousand.
Although system early investment is higher, operation can think that enterprise brings benefit, and not produce economic effect still
Benefit, also ecological benefits.
Claims (4)
1. a kind of waste residue of potato process deeply industry, the utilization system of waste water, it is characterized in that：Including pretreatment unit,
Fermentation unit, gas disposal unit, gas include homogenate pond, grid pond, charging using unit, the fertile unit of system, the pretreatment unit
Pond, the waste residue of fermentation is treated in pond, waste water is stirred uniformly for homogenate, and the material after homogeneous is by inside the grid that is set in grid pond
Heating tube preheats to material, and the material of preheating is by entering fermentation unit after feed tank；The fermentation unit main body is anaerobism hair
Fermentation tank, the biogas of anaerobic fermentation tank output enter gas disposal unit, and the gas disposal unit includes dehydration device successively, desulfurization fills
Put, meter, gas tank, the biogas in gas tank is input to gas and uses unit；The gas includes factory building steam pot using unit
Stove and living area gas transmission pipeline net work；Liquid in anaerobic fermentation tank enters discharge pond, in the liquid and anaerobic fermentation tank in discharge pond
Bottom sludge enter equipment for separating liquid from solid, the liquid isolated flows to biogas slurry storage pond, the biogas slurry transfer in biogas slurry storage pond
Liquid fertilizer workshop is transported to, the biogas residue isolated in addition, is dried, crushed, packed and be used as base manure.
2. waste residue, the utilization system of waste water of a kind of potato process deeply industry according to claim 1, its feature
It is：The anaerobic fermentation tank is intermediate temperature anaerobic fermentation tank, 33~35 DEG C of temperature.
3. waste residue, the utilization system of waste water of a kind of potato process deeply industry according to claim 1, its feature
It is：A part of liquid that equipment for separating liquid from solid is isolated is back to pretreatment unit by pipeline.
4. waste residue, the utilization system of waste water of a kind of potato process deeply industry according to claim 1, its feature
It is：Solar thermal collection system is additionally provided with, heating tube is hydro-thermal mode inside grid, and solar thermal collection system adds for pretreatment unit
Heat, it is that fermentation unit is incubated.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862410A (en) * | 2018-06-26 | 2018-11-23 | 江西正合环保工程有限公司 | A kind of preposition pretreatment unit in homogenate pond and technique |
| CN112568325A (en) * | 2020-11-05 | 2021-03-30 | 甘肃正阳现代农业服务有限公司 | Potato waste treatment process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201386093Y (en) * | 2009-05-06 | 2010-01-20 | 东北农业大学 | Pollutant zero emission biogas anaerobic fermentation system |
| CN102079663A (en) * | 2010-09-29 | 2011-06-01 | 田守仁 | Ecologized medium-temperature high-efficiency compound fertilizer production system |
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| CN112568325A (en) * | 2020-11-05 | 2021-03-30 | 甘肃正阳现代农业服务有限公司 | Potato waste treatment process |
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