CN103191904B - A kind of Manure treatment method in pig farm - Google Patents
A kind of Manure treatment method in pig farm Download PDFInfo
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- CN103191904B CN103191904B CN201310126581.9A CN201310126581A CN103191904B CN 103191904 B CN103191904 B CN 103191904B CN 201310126581 A CN201310126581 A CN 201310126581A CN 103191904 B CN103191904 B CN 103191904B
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- liquid dung
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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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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
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Abstract
The invention discloses a kind of Manure treatment method in pig farm, comprise and the excreta of pig is separated into argol and liquid dung, respectively as raw material and the fish meal of producing compoiste fertilizer after fermentation process made by argol, described liquid dung is divided into two parts process, part liquid dung enters methane-generating pit for the production of biogas, another part liquid dung send into sedimentation basin for precipitating sterilization, liquid dung through precipitation disinfect after for cleaning pig house.Present invention efficiently solves the pollution problem because waste water containing pig excrement brings, can also by process after waste water containing pig excrement for multiple related industry, for raiser brings larger benefit.
Description
Technical field
The invention belongs to technical field of sewage, relate in particular to a kind of Manure treatment method in pig farm.
Background technology
Along with the fast development of China's pig industry and the continuous expansion of swinery scale, the discharge capacity of Pig dung and urine is also sharply increasing, if a large amount of waste water containing pig excrements is dealt with improperly, one is affect water quality, owing to containing a large amount of organic matter, biology in Pig dung and urine, decomposes time-division consumption dissolved oxygen in water, and then the destruction ecological balance, when water source as running water suffers the pollution of waste water containing pig excrement, can stink be entrained with in water, affect drinking of people; Two is to harm environmental sanitation, because Pig dung and urine can send pungent stink, and easily grows mosquitos and flies, has had a strong impact on the Dwelling Environment quality of contiguous community, has been harmful to health; Three is easily cause transmission, owing to being often entrained with a large amount of pathogenic bacteria in Pig dung and urine, if untreated and be directly incorporated in crop irrigation or enter river straight, then there is great transmission hidden danger.On the other hand, in the feeding process of live pig, increase to make lean meat and prevent and treat epidemic disease, mostly have employed antibiotic, do the medicine such as rhzomorph, hormone, although improve pork output, but also may be detained in the pork eaten of consumers in general and have a large amount of still undecomposed antibiotic medicine, " pollution of dining table " that these pork drug residues cause, very large injury can be caused to human body, directly affect the healthy of people.
In order to solve the problem, in prior art, propose following patented technology:
China Patent No. " 200510045471.5 " discloses a kind of ecological pig-culturing method, and its publication date is on June 13rd, 2007.Its technical scheme has grassland at the periphery on pig farm, below pig farm, have methane-generating pit; It comprises the steps: that the excreta of pig is undertaken doing by separating dry space from moist space technology by a., hygroscopic water from, argol carries out the raw material of microbial decomposition fermentation process as processing compoiste fertilizer, and liquid dung enters methane-generating pit; B. the biogas that methane-generating pit produces draws to be done pig farm illumination and/or piggy insulation and/or workman and has a bath and cook; Natural pond slag adds the raw material of microbial decomposition fermentation as processing compoiste fertilizer; Natural pond liquid causes the grassland of pig farm periphery, pouring meadow; C. the grass family Chinese pennisetum that plantation growth is fast in grassland, output is high; D. throw something and feed after the making beating of the Chinese pennisetum of harvesting being mixed with pig feed and raise pigs; The mixed proportion of grass and material is 1.2 ~ 3: 1; Containing mixing by cordate houttuynia, the Radix Astragali, honeysuckle, the capsule of weeping forsythia, Radix Glycyrrhizae, the root of large-flowered skullcap natural plant immunomodulator formed mutually in described pig feed.
But with the prior art that above-mentioned patent document is representative, in actual use, still there is following defect: one, in order to prevent the generation of disease, need usually to clean pig house etc., and the waste water containing pig excrement in this patent is mainly used in biogas and produce the raw material of compoiste fertilizer, waste water cleaning pig house can not be recycled, there is the shortcoming that utilization rate is low; Use water cleaning pig house simultaneously in addition, make the consumption of water large, the cost that causes raising pigs is high; Two, the natural pond liquid in this patent is mainly used in watering meadow, although reduce the feed cost of raising pigs to a certain extent, but not used for (as natural pond liquid is used for planting vegetable etc.) in the industrial chain that other is relevant, the utilization rate of natural pond liquid is low, can not well for raiser creates benefit.
Summary of the invention
The object of the invention is to solve the above-mentioned problems in the prior art, a kind of Manure treatment method in pig farm is provided, present invention efficiently solves the pollution problem because waste water containing pig excrement brings, can also by process after waste water containing pig excrement for multiple related industry, for raiser brings larger benefit.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of Manure treatment method in pig farm, comprise and the excreta of pig is separated into argol and liquid dung, respectively as raw material and the fish meal of producing compoiste fertilizer after fermentation process made by argol, it is characterized in that: described liquid dung is divided into two parts process, part liquid dung enters methane-generating pit for the production of biogas, another part liquid dung send into sedimentation basin for precipitating sterilization, liquid dung through precipitation disinfect after for cleaning pig house.
The described liquid dung amount for the production of biogas is 3/4 of total liquid dung amount, and the described liquid dung amount for precipitating sterilization is 1/4 of total liquid dung amount.
Described sedimentation basin is divided into the first natural sedimentation pond, the second high-temperature sterilization sedimentation basin and the 3rd cooling sedimentation basin, 3rd cooling sedimentation basin is arranged on below the second sterilization sedimentation basin, second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, first natural sedimentation pond is used for liquid dung natural sedimentation, and the natural sedimentation time is 1-3 days; Second high-temperature sterilization sedimentation basin is used for the liquid dung sterilization after natural sedimentation, and the hot water after high-temperature sterilization sends into the 3rd cooling bay, through cooled water for cleaning pig house.
Described first natural sedimentation pond is other to be provided with for depositing the new transition pond producing liquid dung, and described transition pond is positioned at above the first natural sedimentation pond.
The mode of Electromagnetic Heating is adopted to improve sterilisation temp in described second high-temperature sterilization sedimentation basin.
The biogas that described methane-generating pit produces is divided into two parts, and a part is used for pig house illumination and/or has a bath cooking, and another part is used for the second high-temperature sterilization sedimentation basin heating disinfection.
Sterilisation temp in described second high-temperature sterilization sedimentation basin is 200-300 DEG C.
Described hot water after high-temperature sterilization is first for piglet heating, and the water after heating is delivered to the 3rd cooling bay again, is used further to clean pig house through cooled water.
Natural pond liquid in described methane-generating pit is used for planting vegetable by kinetic pump conveying and/or tree is viewed and admired in plantation.
Employing the invention has the advantages that:
One, in the present invention, as raw material and the fish meal of producing compoiste fertilizer after fermentation process made by the argol let out by pork chop, liquid dung is divided into two parts process, part liquid dung enters methane-generating pit for the production of biogas, another part liquid dung through precipitation disinfect after for cleaning pig house, adopt above-mentioned processing method not only to efficiently solve pollution problem because waste water containing pig excrement brings, waste water cleaning pig house can also be recycled, correspondingly reduce cost of raising pigs; Compared with the prior art being representative with China Patent No. " 200510045471.5 ", the present invention by process after waste water containing pig excrement for multiple related industry, for raiser brings larger benefit.
Two, in the present invention, the described liquid dung amount for the production of biogas is 3/4 of total liquid dung amount, the described liquid dung amount for precipitating sterilization is 1/4 of total liquid dung amount, because the water yield for cleaning pig house needs is less, and need the place of biogas and natural pond liquid more, therefore the above-mentioned method of salary distribution is more reasonable, can bring larger benefit for raiser.
Three, in the present invention, in the first natural sedimentation pond, the precipitation of 1-3 days can remove impurity more in liquid dung effectively, second high-temperature sterilization sedimentation basin can kill the germ in liquid dung effectively, prevent the spread of disease, liquid dung after natural sedimentation, high-temperature sterilization precipitate and cool for cleaning pig house, accomplish recycling liquid dung, significantly save production cost.
Four, in the present invention, described first natural sedimentation pond is other to be provided with for depositing the new transition pond producing liquid dung, and the excreta that can prevent pig from newly producing enters the first natural sedimentation pond, affects sedimentation effect; And described transition pond is positioned at above the first natural sedimentation pond, then do not need kinetic pump to carry, the liquid dung in transition pond just following current can enter the first natural sedimentation pond, is conducive to economize energy consumption.
Five, in the present invention, adopt the mode of Electromagnetic Heating to improve sterilisation temp in described second high-temperature sterilization sedimentation basin, it is faster that Electromagnetic Heating makes sterilisation temp promote, and can not only save disinfecting time, can also killing pathogenic bacteria rapidly.
Six, in the present invention, the biogas that described methane-generating pit produces is divided into two parts, and a part is used for pig house illumination and/or has a bath cooking, and another part is used for the second high-temperature sterilization sedimentation basin heating disinfection, utilizes, significantly reduce cost of raising pigs to the biogas recirculation produced.
Seven, in the present invention, the sterilisation temp in described second high-temperature sterilization sedimentation basin is 200-300 DEG C, at this temperature, effectively can kill the germ in waste water containing pig excrement, stop transmission of disease.
Eight, in the present invention, first described hot water after high-temperature sterilization heat for piglet, water after heating is delivered to the 3rd cooling bay again, be used further to clean pig house through cooled water, further to the hot water Appropriate application after sterilization, significantly reduce aquaculture cost, adopt hot water heating simultaneously, than safer, the more environmental protection of biogas heating.
Nine, in the present invention, the natural pond liquid in described methane-generating pit is used for planting vegetable and/or plantation by kinetic pump conveying and views and admires tree, to the Appropriate application of natural pond liquid, makes the vegetables planting out and/or view and admire tree to bring extra income for raiser.
Ten, the present invention can by after waste water containing pig excrement process for multiple related industry, can either cost of raising pigs be reduced, larger interests can be brought for raiser again.
Detailed description of the invention
Embodiment 1
A kind of Manure treatment method in pig farm, comprise and the excreta of pig is separated into argol and liquid dung, respectively as raw material and the fish meal of producing compoiste fertilizer after fermentation process made by argol, described liquid dung is divided into two parts process, part liquid dung enters methane-generating pit for the production of biogas, another part liquid dung send into sedimentation basin for precipitating sterilization, liquid dung through precipitation disinfect after for cleaning pig house.
Further, the described liquid dung amount for the production of biogas is preferably set to 3/4 of total liquid dung amount, the described liquid dung amount for precipitating sterilization is preferably set to 1/4 of total liquid dung amount, wherein for the production of biogas liquid dung amount and for precipitate sterilization liquid dung amount according to pig farm scale reasonable distribution, be not limited to above-mentioned preferred arrangement.
The preferred embodiment of the present embodiment is, described sedimentation basin is divided into the first natural sedimentation pond, the second high-temperature sterilization sedimentation basin and the 3rd cooling sedimentation basin, 3rd cooling sedimentation basin is arranged on below the second sterilization sedimentation basin, second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, make liquid dung can cool sedimentation basin by following current to the second high-temperature sterilization sedimentation basin and the 3rd, reduce the consumption of dynamic few conveying, the first natural sedimentation pond is used for liquid dung natural sedimentation, and the natural sedimentation time is 2 days; Second high-temperature sterilization sedimentation basin is used for the liquid dung sterilization after natural sedimentation, and the hot water after high-temperature sterilization sends into the 3rd cooling bay, through cooled water for cleaning pig house;
The another preferred embodiment of the present embodiment is, described first natural sedimentation pond is other to be provided with for depositing the new transition pond producing liquid dung, described transition pond is positioned at above the first natural sedimentation pond, initial precipitation can either be carried out to the new liquid dung produced in transition pond, the liquid dung in it can be avoided again to mix with the liquid dung in the first natural sedimentation pond, affect the effect of natural sedimentation; Again because transition pond is higher than the first natural sedimentation pond, make liquid dung in transition pond can following current to the first natural sedimentation pond, economize energy consumption;
Further, the liquid outlet preferably in transition pond arranges filter screen, the impurity entered in the first natural sedimentation pond in liquid dung is reduced, is convenient to recycling of later stage.
The another preferred embodiment of the present embodiment is, adopts the mode of Electromagnetic Heating to improve sterilisation temp, but be not limited to above-mentioned preferred arrangement in described second high-temperature sterilization sedimentation basin, can also adopt natural gas or biogas heating.
The another preferred embodiment of the present embodiment is, the sterilisation temp in described second high-temperature sterilization sedimentation basin is 250 DEG C, effectively can kill the virus in liquid dung.
The another preferred embodiment of the present embodiment is, the natural pond liquid in described methane-generating pit is used for planting vegetable by kinetic pump conveying and/or tree is viewed and admired in plantation, can also being used for planting the Chinese pennisetum etc. for feeding pigs, being not limited to above-mentioned preferred arrangement.
Embodiment 2
The present embodiment and above-described embodiment are substantially identical, the main distinction is: described sedimentation basin is divided into the first natural sedimentation pond, the second high-temperature sterilization sedimentation basin and the 3rd cooling sedimentation basin, 3rd cooling sedimentation basin is arranged on below the second sterilization sedimentation basin, second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, first natural sedimentation pond is used for liquid dung natural sedimentation, and the natural sedimentation time is 1 day; Second high-temperature sterilization sedimentation basin is used for the liquid dung sterilization after natural sedimentation, and the hot water after high-temperature sterilization sends into the 3rd cooling bay, through cooled water for cleaning pig house;
The another preferred embodiment of the present embodiment is, the sterilisation temp in described second high-temperature sterilization sedimentation basin is 200 DEG C.
Embodiment 3
The present embodiment and above-described embodiment are substantially identical, the main distinction is: described sedimentation basin is divided into the first natural sedimentation pond, the second high-temperature sterilization sedimentation basin and the 3rd cooling sedimentation basin, 3rd cooling sedimentation basin is arranged on below the second sterilization sedimentation basin, second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, first natural sedimentation pond is used for liquid dung natural sedimentation, and the natural sedimentation time is 3 days; Second high-temperature sterilization sedimentation basin is used for the liquid dung sterilization after natural sedimentation, and the hot water after high-temperature sterilization sends into the 3rd cooling bay, through cooled water for cleaning pig house;
The another preferred embodiment of the present embodiment is, the sterilisation temp in described second high-temperature sterilization sedimentation basin is 300 DEG C.
Embodiment 4
The present embodiment and above-described embodiment are substantially identical, the main distinction is: the biogas that described methane-generating pit produces is divided into two parts, a part is preferred for pig house illumination and/or has a bath cooking, another part is preferred for the second high-temperature sterilization sedimentation basin heating disinfection, to biogas Appropriate application, reduce cost of raising pigs.
Embodiment 5
The present embodiment and above-described embodiment are substantially identical, and the main distinction is:
Described hot water after high-temperature sterilization is first for piglet heating, and the water after heating is delivered to the 3rd cooling bay again, is used further to clean pig house, adopts hot water heating, have more environmental protection, safer advantage through cooled water.
Obviously; those of ordinary skill in the art is according to grasped technological know-how and customary means; according to above said content, can also make the various ways not departing from basic fundamental thought of the present invention, these pro forma conversion are all within protection scope of the present invention.
Claims (6)
1. a Manure treatment method in pig farm, comprise and the excreta of pig is separated into argol and liquid dung, respectively as raw material and the fish meal of producing compoiste fertilizer after fermentation process made by argol, it is characterized in that: described liquid dung is divided into two parts process, part liquid dung enters methane-generating pit for the production of biogas, another part liquid dung sends into sedimentation basin for precipitating sterilization, described sedimentation basin is divided into the first natural sedimentation pond, second high-temperature sterilization sedimentation basin and the 3rd cooling sedimentation basin, 3rd cooling sedimentation basin is arranged on below the second high-temperature sterilization sedimentation basin, second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, first natural sedimentation pond is used for liquid dung natural sedimentation, the natural sedimentation time is 1-3 days, second high-temperature sterilization sedimentation basin adopts the mode of Electromagnetic Heating to the liquid dung sterilization after natural sedimentation, first hot water after high-temperature sterilization heat for piglet, hot water after heating is delivered to the 3rd cooling bay again, cooled water is for cleaning pig house.
2. a kind of Manure treatment method in pig farm as claimed in claim 1, is characterized in that: the liquid dung amount for the production of biogas is 3/4 of total liquid dung amount, for precipitate that the liquid dung amount of sterilization is total liquid dung amount 1/4.
3. a kind of Manure treatment method in pig farm as claimed in claim 1, is characterized in that: described first natural sedimentation pond is other to be provided with for depositing the new transition pond producing liquid dung, and described transition pond is positioned at above the first natural sedimentation pond.
4. a kind of Manure treatment method in pig farm as claimed in claim 1, is characterized in that: the biogas that described methane-generating pit produces is divided into two parts, and a part is used for pig house illumination and/or has a bath cooking, and another part is used for the second high-temperature sterilization sedimentation basin heating disinfection.
5. a kind of Manure treatment method in pig farm according to any one of claim 1-4, is characterized in that: the sterilisation temp in described second high-temperature sterilization sedimentation basin is 200-300 DEG C.
6. a kind of Manure treatment method in pig farm as claimed in claim 1, is characterized in that: the natural pond liquid in described methane-generating pit is used for planting vegetable by kinetic pump conveying and/or tree is viewed and admired in plantation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310126581.9A CN103191904B (en) | 2013-04-12 | 2013-04-12 | A kind of Manure treatment method in pig farm |
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| CN201310126581.9A CN103191904B (en) | 2013-04-12 | 2013-04-12 | A kind of Manure treatment method in pig farm |
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| CN103191904B true CN103191904B (en) | 2015-08-05 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103418604A (en) * | 2013-07-23 | 2013-12-04 | 石台县惠农养猪专业合作社 | Method for comprehensive treatment and utilization of pig manure |
| CN105994134A (en) * | 2016-05-13 | 2016-10-12 | 重庆阿源农业开发有限公司 | Method for ecological recirculating breeding of live pigs |
| CN108947166A (en) * | 2018-08-14 | 2018-12-07 | 占学宽 | A kind of Manure treatment method in pig farm |
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| US20110305603A1 (en) * | 2010-06-11 | 2011-12-15 | Sigma Prime Solar Llc | Embedded Photocatalyst for Hydrogen Perioxide Protection |
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| US6398959B1 (en) * | 1997-10-07 | 2002-06-04 | Agrimond, Llc | Aerobic treatment of liquids to remove nutrients and control odors |
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