CN105272393A - Pig dung comprehensive utilization system and method thereof - Google Patents
Pig dung comprehensive utilization system and method thereof Download PDFInfo
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- CN105272393A CN105272393A CN201510635475.2A CN201510635475A CN105272393A CN 105272393 A CN105272393 A CN 105272393A CN 201510635475 A CN201510635475 A CN 201510635475A CN 105272393 A CN105272393 A CN 105272393A
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- pig manure
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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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Abstract
The invention discloses a pig dung comprehensive utilization system. The pig dung comprehensive utilization system comprises a solid-liquid separation system, a methane tank, a primary aerobic tank, a secondary aerobic tank, a primary ecologic tank and a secondary ecologic tank, and the solid-liquid separation system, the methane tank, the primary aerobic tank, the secondary aerobic tank, the primary ecologic tank and the secondary ecologic tank are sequentially connected. The invention also discloses a pig dung comprehensive utilization method. The method uses the pig dung comprehensive utilization system, and comprises the steps of solid-liquid separation, biogas fermentation, aerobic treatment, ecologic purification, waste liquid treatment and organic fertilizer treatment. The pig dung is reasonably separated and utilized, and a large amount of nitrogen and phosphorus elements contained in the pig dung are recovered and processed to prepare fertilizers. The system and the method have the advantages of simple and easy process and steps, short production period, high comprehensive utilization rate of the pig dung, ecological property, environmental protection, great improvement of the working environment and the surrounding environment of pig farms, organic combination of the biogas, organic fertilizers and various cultures, and good social and economic benefits.
Description
Technical field
The present invention relates to plant's excrement and urine treatment technology, be specifically related to a kind of pig manure utilization system and method.
Background technology
Pig manure contains a large amount of nitrogen, phosphorus, potassium element and the organism such as protein, fat, is a kind of excellent fertilizer.Along with a large amount of implementations of intensive pig production, a large amount of pig manures is concentrated and is produced in pig farm, due to the moisture height of pig manure, not easily stores, stink is large, traditional processing mode pig manure is transported to farmland to carry out also field process, and need a large amount of human and material resources, shipment distance is large, cost is high, a large amount of pig manures cannot be processed in time, cause environmental pollution, affect people, animal healthy.Pig manure is directly carried out fermentative processing by somebody, and this mode can produce a lot of bacterium, weak effect.
General large-scale pig farm all can produce the pig manure of about 10 tons every day at present; adopt nature to bank up pattern on the pig farm of most of China; muck directly and after the dry-matter such as stalk, sawdust mix and blend is carried out long-time compost, and the composting time often needs 6 months, or the longer time just can complete.In prior art, the following document that mainly contains for pig manure is recorded:
1, the Chinese invention being ZL200610070510.1 as the patent No. applies for a patent document " method with preparing highly efficient organic fertilizer from dungs and droppings " (notification number is CN1962559A); Comprise the following steps: mix and blend: by abundant to feces of livestock and poultry, stopping composition and microbial starter culture mixing and stirring; Pack, code heap, fermentation dried: first regular stacking, then pile through code heap-turning-code, obtain work in-process; Granulation; Pack, code heap, fermentation dried; Pack; Wherein feces of livestock and poultry is pig manure, cow dung, chicken manure, duck excrement, and stopping composition is offal and rice bran, and microbial starter culture is EM biological bacteria preparation.The method that the document provides, just feces of livestock and poultry is carried out simple process, although shorten the Production Time of fertilizer in time, lower to the comprehensive utilization ratio of feces of livestock and poultry, electricity used etc. all need outside to provide, and overall produced energy consumption is higher.
2, the Chinese invention being ZL200810045547.8 as the patent No. applies for a patent document " process of pig manure and Application way " (notification number is CN101429057A); Comprise: 1. regulate moisture: fresh pig dung and dry pig manure are through stirring, mixing, and water ratio drops to 55 ~ 60%.2. breeding earthworm: pig manure is deposited on earthworm bed, drops into earthworm kind breeding earthworm.3. feed: dry earthworm, join in feed base-material and fit in high protein feed.4. ferment: in fermentation booth, pig manure carries out continuous aerobic fermentation process, 5 ~ 7 days cycles, and within every 2 hours, turn over throwing once, inject fresh air, water ratio drops to 40 ~ 45% simultaneously.5. dry: pig manure carries out drying treatment in pneumatic drier, and water ratio drops to less than 14%.6. deodorizing process: tail gas carries out deodorizing process by wet dust collector.7. edible mushrooms base-material: pig manure is added in the fillers such as straw joint, wheat straw joint, make the base-material of culturing edible fungus.The method introduces the way of breeding earthworm, but whole making place is comparatively large, and human cost increases; And needing by a large amount of external electric energy in drying process, whole work efficiency is lower.
3, the Chinese invention being ZL200810149876.7 as the patent No. applies for a patent document " a kind of method of producing bioorganic fertilizer from pig manure " (notification number is CN101565331A); The fresh pig dung of moisture about 65% and suitable proportion are sawed unmixed, make its carbon: nitrogen is than between 16-25, then stir with geotrichum sp or bacstearothermophilus fermenting agent and carry out compost fermentation, regular turning, be down to until temperature of charge and carry out after envrionment temperature drying or air-dry, pulverize, be refined biometric fertilizer.Its nutrient content reaches 7%, and organic content reaches more than 50%.The process employs the method mixed by dry-matter low to pig manure and water ratio and produce fertilizer, and fail a large amount of nitrogen contained in pig manure, phosphoric are carried out to extraction and reclaim; And composting Period Process is long, whole efficiency is lower.
4, the Chinese invention being ZL200910043126.6 as the patent No. applies for a patent document " a kind for the treatment of process of zero pollution of waste of pig farm " (notification number is CN101531441A); The processing such as by fermentation, stable, pulverizing, screening, output is conveniently used, have the refined organic fertilizer of the market competitiveness, it comprises domestic animal pig urcine to collect and imports methane-generating pit, anaerobically fermenting, inflow fermentation vat, carries out stirring, nurses one's health, adjusts with the pig manure that straw powder is adsorbed, proceed to acidification pool acidifying and pig manure collecting tank, one time fermentation, Secondary Fermentation, stablize, pulverize, sieve, and fines is processed into refined organic fertilizer; Coarse fodder returns to mix with straw powder to fermentation vat and is adsorbed by natural pond liquid, reprocessing fines, output refined organic fertilizer; The placenta of the sow cub in field, domestic animal pig corpse dead were without reason put into the burning of biogas incinerator the same day, and flue gas enters the bottom ventilation storehouse of stabilizing bin, discharges after fertilizer filters, and residue is sent in fermentation tower, becomes refined organic fertilizer through processing output.The method that have employed dry-matter low for the water ratio such as pig manure and stalk mixes produces fertilizer, and fails a large amount of nitrogen contained in pig manure, phosphoric are carried out to extraction and reclaim, and composting
Process steps is loaded down with trivial details, and the production cycle is long, lower to the comprehensive utilization ratio of swine excrement.
Summary of the invention
The object of the present invention is to provide a kind of process steps is simple, with short production cycle, utilization ratio is higher pig manure utilization system and method, pig manure is reasonably separated and utilizes, recovery composting is carried out to a large amount of nitrogen contained in pig manure, phosphoric, biogas, fertilizer and various kind of cultivation are organically combined.
For achieving the above object, technical scheme of the present invention is as follows:
Pig manure utilization system of the present invention, comprise equipment for separating liquid from solid, methane-generating pit, one-level Aerobic Pond, secondary Aerobic Pond, one-level ecological pool and secondary ecological pool, described equipment for separating liquid from solid, methane-generating pit, one-level Aerobic Pond, secondary Aerobic Pond, one-level ecological pool are communicated with successively with secondary ecological pool.
In described one-level ecological pool, liquid level is planted without native vegetables.
Described secondary ecological pool comprises liquid bath and herbage gravel groove, communicates bottom the two.
Thick gravel, pebbles filler is filled with, planting forage grass on filler in described herbage gravel groove.
The number of described secondary ecological pool is more than one.
The present invention also provides a kind of pig manure method of comprehensive utilization, applies described pig manure utilization system, comprises the following steps:
Swine excrement and urine mixture are carried out solid-liquid separation, and solid dispatches from the factory as fertilizer, and urine enters methane-generating pit and ferments; Urine after fermentation sends into one-level Aerobic Pond, and remove part nitrogen phosphorus rear portion and dispatch from the factory as liquid fertilizer, another part sends into secondary Aerobic Pond, thoroughly removes nitrogen phosphorus refuse; Then send into one-level ecological pool, after one-level ecological purification, send into secondary ecological pool, after secondary eco-filtration, send into fishpond.
In described one-level ecological pool, liquid level is planted without native vegetables.
Described secondary ecological pool comprises liquid bath and herbage gravel groove, communicates bottom the two.
Thick gravel, pebbles filler is filled with, planting forage grass on filler in described herbage gravel groove.
The number of described secondary ecological pool is more than one.
The present invention realizes swine manure treatment like this:
Pig manure and pig urinated urine in mixture with equipment for separating liquid from solid and solid is separated, solid dispatches from the factory as fertilizer, and urine enters methane-generating pit; After biogas fermentation, send into one-level Aerobic Pond; Liquid in one-level Aerobic Pond is after part nitrogen phosphorus removed by liquid, and a part is dispatched from the factory as fertilizer, and another part sends into secondary Aerobic Pond; Liquid in secondary Aerobic Pond is removed after nitrogen phosphorus refuse through liquid, sends into one-level ecological pool; Liquid side is planted without native vegetables in one-level ecological pool, liquid, by without after native vegetable root system purification, sends into secondary ecological pool; Be filled with thick gravel, pebbles filler in secondary ecological pool, planting forage grass on filler, by the filtration of multiple secondary ecological pool, the liquid namely after the purification of thick gravel, pebbles filler and herbage root system sends into fishpond, can directly be used for breeding fish.
Beneficial effect of the present invention is:
In one-level ecological pool of the present invention, liquid level is planted and fill thick gravel, pebbles filler without in native vegetables and secondary ecological pool, planting forage grass on filler, utilize and without native vegetable root system, thick gravel, pebbles filler and herbage root system, liquid is purified, both purification object had been reached, make use of again nutritional resource planting vegetable, herbage, liquid after purification is used for breeding fish, killing three birds with one stone.
Compared with prior art, swine manure treatment of the present invention comprises solid-liquid separation step, biogas fermentation step, aerobic treatment step, ecological purification step, remaining liquid treatment step and fertilizer treatment step, arrange Ecological Disposal process to combine with a series of resource reclaim measure, realize the zero discharge treatment of pig manure, substantially improve Working environment and the surrounding enviroment on pig farm, be beneficial to environment protection and the comprehensive regulation of place; Whole flow process has good integration, and whole system floor space is little, investment and running cost lower, be easy to realize equipment; Biogas, fertilizer and various kind of cultivation are organically combined, there is good Social benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is pig manure utilization system structural representation of the present invention.
Embodiment
Below by specific embodiment, the present invention is explained orally in detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following example.All technology realized based on foregoing of the present invention all belong to scope of the present invention.
Embodiment 1
Pig manure utilization system of the present invention, comprise equipment for separating liquid from solid, methane-generating pit, one-level Aerobic Pond, secondary Aerobic Pond, one-level ecological pool and secondary ecological pool, described equipment for separating liquid from solid, methane-generating pit, one-level Aerobic Pond, secondary Aerobic Pond, one-level ecological pool are communicated with successively with secondary ecological pool.
In described one-level ecological pool, liquid level is planted without native vegetables.
Described secondary ecological pool comprises liquid bath and herbage gravel groove, communicates bottom the two.
Thick gravel, pebbles filler is filled with, planting forage grass on filler in described herbage gravel groove.
The number of described secondary ecological pool is more than one.
Pig manure method of comprehensive utilization of the present invention, applies described pig manure utilization system, comprises the following steps:
Swine excrement and urine mixture are carried out solid-liquid separation, and solid dispatches from the factory as fertilizer, and urine enters methane-generating pit and ferments; Urine after fermentation sends into one-level Aerobic Pond, and remove part nitrogen phosphorus rear portion and dispatch from the factory as liquid fertilizer, another part sends into secondary Aerobic Pond, thoroughly removes nitrogen phosphorus refuse; Then send into one-level ecological pool, after one-level ecological purification, send into secondary ecological pool, after secondary eco-filtration, send into fishpond.
In described one-level ecological pool, liquid level is planted without native vegetables.
Described secondary ecological pool comprises liquid bath and herbage gravel groove, communicates bottom the two.
Thick gravel, pebbles filler is filled with, planting forage grass on filler in described herbage gravel groove.
The number of described secondary ecological pool is more than one.
Claims (10)
1. a pig manure utilization system, comprise equipment for separating liquid from solid, methane-generating pit, one-level Aerobic Pond, secondary Aerobic Pond, one-level ecological pool and secondary ecological pool, it is characterized in that: described equipment for separating liquid from solid, methane-generating pit, one-level Aerobic Pond, secondary Aerobic Pond, one-level ecological pool are communicated with successively with secondary ecological pool.
2. pig manure utilization system according to claim 1, is characterized in that: in described one-level ecological pool, liquid level is planted without native vegetables.
3. pig manure utilization system according to claim 1, is characterized in that: described secondary ecological pool comprises liquid bath and herbage gravel groove, communicates bottom the two.
4. pig manure utilization system according to claim 3, is characterized in that: be filled with thick gravel, pebbles filler, planting forage grass on filler in described herbage gravel groove.
5. pig manure utilization system according to claim 1, is characterized in that: the number of described secondary ecological pool is more than one.
6. a pig manure method of comprehensive utilization, applies the pig manure utilization system as described in any one of claim 1-5, it is characterized in that comprising the following steps:
Swine excrement and urine mixture are carried out solid-liquid separation, and solid dispatches from the factory as fertilizer, and urine enters methane-generating pit and ferments; Urine after fermentation sends into one-level Aerobic Pond, and remove part nitrogen phosphorus rear portion and dispatch from the factory as liquid fertilizer, another part sends into secondary Aerobic Pond, thoroughly removes nitrogen phosphorus refuse; Then send into one-level ecological pool, after one-level ecological purification, send into secondary ecological pool, after secondary eco-filtration, send into fishpond.
7. pig manure method of comprehensive utilization according to claim 6, is characterized in that: in described one-level ecological pool, liquid level is planted without native vegetables.
8. pig manure method of comprehensive utilization according to claim 6, is characterized in that: described secondary ecological pool comprises liquid bath and herbage gravel groove, communicates bottom the two.
9. pig manure method of comprehensive utilization according to claim 8, is characterized in that: be filled with thick gravel, pebbles filler, planting forage grass on filler in described herbage gravel groove.
10. pig manure method of comprehensive utilization according to claim 6, is characterized in that: the number of described secondary ecological pool is more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510635475.2A CN105272393A (en) | 2015-09-30 | 2015-09-30 | Pig dung comprehensive utilization system and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510635475.2A CN105272393A (en) | 2015-09-30 | 2015-09-30 | Pig dung comprehensive utilization system and method thereof |
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| CN105272393A true CN105272393A (en) | 2016-01-27 |
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Citations (8)
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|---|---|---|---|---|
| CN1837155A (en) * | 2006-04-19 | 2006-09-27 | 四川恒升环保科技有限公司 | Innocuous ecological recycling comprehensive utilization of feces from domestic animals and birds through solid-liquid separation and aerobic composting by adding special biological bacteria |
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