CN103191904A - Manure treatment method in pig farm - Google Patents
Manure treatment method in pig farm Download PDFInfo
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- CN103191904A CN103191904A CN2013101265819A CN201310126581A CN103191904A CN 103191904 A CN103191904 A CN 103191904A CN 2013101265819 A CN2013101265819 A CN 2013101265819A CN 201310126581 A CN201310126581 A CN 201310126581A CN 103191904 A CN103191904 A CN 103191904A
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- liquid dung
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- pig
- treatment method
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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
Abstract
The invention discloses a manure treatment method in a pig farm. The manure treatment method comprises the following step of: separating the excrement of pigs into dry manure and liquid manure, wherein the dry manure is taken as a raw material for producing organic compound fertilizer and a fish feed respectively after being fermented; and the liquid manure is treated in two parts, one part is discharged into a biogas digester for producing biogas, the other part is sent into a settling pond for settling and disinfecting, and the liquid manure is used for cleaning pigpens after being subjected to settling and disinfecting treatment. The pollution problem caused by waste water of pig manure and urine is effectively solved, the treated pig manure and urine waste water can be applied to various related industries, and greater benefits are brought for farmers.
Description
Technical field
The invention belongs to technical field of sewage, relate in particular to a kind of pig farm dejecta treatment method.
Background technology
Along with the fast development of China's pig industry and the continuous expansion of swinery scale, the discharge capacity of pig manure urine is also in rapid increase, a large amount of waste water containing pig excrements is if deal with improperly, the one, influence water quality, owing to contain a large amount of organic matters, biology in the pig manure urine, decompose time-division consumption dissolved oxygen in water, and then the destruction ecological balance, when suffering the pollution of waste water containing pig excrement as the water source of running water, can be entrained with stink in the water, influence drinking of people; The 2nd, can harm environmental sanitation, because pig manure urine can send pungent stink, and grows mosquitos and flies easily, had a strong impact on the living environment quality of contiguous community, be harmful to health; The 3rd, easily cause transmission, owing to often be entrained with a large amount of pathogenic bacteria in the pig manure urine, directly be incorporated in crop irrigation or enter the river straight if be untreated, then exist great transmission hidden danger.On the other hand, in the feeding process of live pig, for lean meat being increased and preventing and treating eqpidemic disease, adopted antibiotic mostly, done rhzomorph, medicine such as hormone, though improved pork output, yet may also be detained in the pork that consumers in general eat undecomposed antibiotic medicine is still arranged in a large number, residual " pollution of dining table " that causes of these pork Chinese traditional medicines, can cause very big injury to human body, directly influence the healthy of people.
In order to address the above problem, following patented technology has been proposed in the prior art:
China Patent No. " 200510045471.5 " discloses a kind of ecological pig-culturing method, and its open day is on June 13rd, 2007.Its technical scheme is that the periphery on the pig farm has the grassland, has methane-generating pit below the pig farm; It comprises the steps: that a. does the excreta of pig, wet and separate by doing wet isolation technics, and argol carries out the processing of microorganism decomposing and fermenting as the raw material of processing compoiste fertilizer, and liquid dung enters methane-generating pit; B. the biogas that produces of methane-generating pit draws and does pig farm illumination and/or piggy insulation and/or workman and have a bath and cook; The natural pond slag adds the microorganism decomposing and fermenting as the raw material of processing compoiste fertilizer; Natural pond liquid causes the grassland of pig farm periphery, the pouring meadow; C. the grass family Chinese pennisetum that the plantation growth is fast in the grassland, output is high; D. the Chinese pennisetum making beating of harvesting is raised pigs with throwing something and feeding after pig feed mixes; The mixed proportion of grass and material is 1.2 ~ 3: 1; Contain in the described pig feed by cordate houttuynia, the Radix Astragali, honeysuckle, the capsule of weeping forsythia, Radix Glycyrrhizae, the root of large-flowered skullcap and mix the natural plant immunomodulator that constitutes mutually.
But be the prior art of representative with above-mentioned patent document, in actual use, still exist following defective: one, the generation in order to ward off disease, need usually clean pig house etc., and the waste water containing pig excrement in this patent is mainly used in the raw material of biogas and production compoiste fertilizer, can not clean pig house by recycling waste water, exist the low shortcoming of utilization rate; Make simultaneously water clean pig house in addition, make that the consumption of water is big, the cost height causes raising pigs; Two, the natural pond liquid in this patent is mainly used in watering the meadow, though reduced the feed cost of raising pigs to a certain extent, but be not used in (as natural pond liquid being used for planting vegetable etc.) on other relevant industrial chain, the utilization rate of natural pond liquid is low, can not be raiser's create beneficial result well.
Summary of the invention
The objective of the invention is to solve the above-mentioned problems in the prior art, a kind of pig farm dejecta treatment method is provided, the present invention has solved the pollution problem that brings because of waste water containing pig excrement effectively, waste water containing pig excrement after handling can also be used for multiple related industry, for the raiser brings bigger benefit.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of pig farm dejecta treatment method, comprise that the excreta with pig is separated into argol and liquid dung, argol is done after the fermentation process respectively as raw material and the fish meal of producing compoiste fertilizer, it is characterized in that: described liquid dung is divided into two parts to be handled, part liquid dung enters methane-generating pit for the production of biogas, another part liquid dung is sent into sedimentation basin and is used for the precipitation sterilization, and liquid dung is used for cleaning pig house after precipitation is disinfected.
Described liquid dung amount for the production of biogas is 3/4 of total liquid dung amount, and described liquid dung amount for the precipitation 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, the 3rd cooling sedimentation basin is arranged on the second sterilization sedimentation basin below, the second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, the first natural sedimentation pond is used for the liquid dung natural sedimentation, and the natural sedimentation time is 1-3 days; The second high-temperature sterilization sedimentation basin is used for sterilizing through the liquid dung after the natural sedimentation, and the hot water after the high-temperature sterilization is sent into the 3rd cooling bay, is used for cleaning pig house through cooled water.
The described first natural sedimentation pond is other to be provided be used to the transition pond of depositing new generation liquid dung, and described transition pond is positioned at top, the first natural sedimentation pond.
Adopt the mode of electromagnetism heating to improve sterilisation temp in the 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 the pig house illumination and/or has a bath and cook, and another part is used for the second high-temperature sterilization sedimentation basin heating disinfection.
Sterilisation temp in the described second high-temperature sterilization sedimentation basin is 200-300 ℃.
Described hot water after high-temperature sterilization at first is used for the 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 the described methane-generating pit is carried for planting vegetable and/or plantation by kinetic pump and is viewed and admired tree.
Employing the invention has the advantages that:
One, among the present invention, the argol that pork chop is let out is done after the fermentation process respectively as raw material and the fish meal of producing compoiste fertilizer, liquid dung is divided into two parts to be handled, part liquid dung enters methane-generating pit for the production of biogas, another part liquid dung is used for cleaning pig house after precipitation is disinfected, adopt above-mentioned processing method not only to solve the pollution problem that brings because of waste water containing pig excrement effectively, can also clean pig house by recycling waste water, correspondingly reduced the cost of raising pigs; Compare for the prior art of representative with China Patent No. " 200510045471.5 ", the waste water containing pig excrement after the present invention will handle is used for multiple related industry, for the raiser brings bigger benefit.
Two, among the present invention, described liquid dung amount for the production of biogas is 3/4 of total liquid dung amount, described liquid dung amount for the precipitation sterilization is 1/4 of total liquid dung amount, because it is less for the water yield that the cleaning pig house needs, and need the local more of biogas and natural pond liquid, therefore the above-mentioned method of salary distribution is more reasonable, can bring bigger benefit for the raiser.
Three, among the present invention, can remove impurity more in the liquid dung effectively through 1-3 days precipitation in the first natural sedimentation pond, the second high-temperature sterilization sedimentation basin can kill the germ in the liquid dung effectively, prevent the spread of disease, liquid dung is used for cleaning pig house through natural sedimentation, high-temperature sterilization precipitation and cooling back, accomplish recycling to liquid dung, significantly saved production cost.
Four, among the present invention, the described first natural sedimentation pond is other to be provided be used to the transition pond of depositing new generation liquid dung, can prevent that the new excreta that produces of pig from entering the first natural sedimentation pond, influences sedimentation effect; And described transition pond is positioned at top, the first natural sedimentation pond, does not then need kinetic pump to carry, and the liquid dung in the transition pond just can following current enter the first natural sedimentation pond, is conducive to energy savings consumption.
Five, among the present invention, adopt the mode of electromagnetism heating to improve sterilisation temp in the described second high-temperature sterilization sedimentation basin, it is faster that the electromagnetism heating makes that sterilisation temp promotes, and not only can save disinfecting time, rapidly killing pathogenic bacteria.
Six, among the present invention, the biogas that described methane-generating pit produces is divided into two parts, and a part is used for the pig house illumination and/or has a bath and cook, and another part is used for the second high-temperature sterilization sedimentation basin heating disinfection, and is recycling to the biogas that produces, and significantly reduced the cost of raising pigs.
Seven, among the present invention, the sterilisation temp in the described second high-temperature sterilization sedimentation basin is 200-300 ℃, under this temperature, can kill the germ in the waste water containing pig excrement effectively, has stopped transmission of disease.
Eight, among the present invention, described hot water after high-temperature sterilization at first is used for the piglet heating, water after heating is delivered to the 3rd cooling bay again, be used further to clean pig house through cooled water, further the hot water after the sterilization is rationally utilized, reduced aquaculture cost effectively, adopted hot water heating simultaneously, than safer, the more environmental protection of biogas heating.
Nine, among the present invention, the natural pond liquid in the described methane-generating pit is carried by kinetic pump and is used for planting vegetable and/or tree is viewed and admired in plantation, to the reasonable utilization of natural pond liquid, makes vegetables that plantation is come out and/or view and admire tree and can bring extra income for the raiser.
Ten, the present invention can handle the back for multiple related industry with waste water containing pig excrement, can either reduce the cost of raising pigs, and can bring bigger interests for the raiser again.
The specific embodiment
Embodiment 1
A kind of pig farm dejecta treatment method, comprise that the excreta with pig is separated into argol and liquid dung, argol is done after the fermentation process respectively as raw material and the fish meal of producing compoiste fertilizer, described liquid dung is divided into two parts to be handled, part liquid dung enters methane-generating pit for the production of biogas, another part liquid dung is sent into sedimentation basin and is used for the precipitation sterilization, and liquid dung is used for cleaning pig house after precipitation is disinfected.
Further, described liquid dung amount for the production of biogas preferably is set to 3/4 of total liquid dung amount, described liquid dung amount for the precipitation sterilization preferably is set to 1/4 of total liquid dung amount, wherein for the production of the liquid dung amount of biogas and the liquid dung amount that is used for the precipitation sterilization according to pig farm scale reasonable distribution, be not limited to above-mentioned preferred arrangement.
The preferred embodiment of 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, the 3rd cooling sedimentation basin is arranged on the second sterilization sedimentation basin below, the second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, make liquid dung to cool off sedimentation basin by following current to the second high-temperature sterilization sedimentation basin and the 3rd, reduce moving few consumption of carrying, the first natural sedimentation pond is used for the liquid dung natural sedimentation, and the natural sedimentation time is 2 days; The second high-temperature sterilization sedimentation basin is used for sterilizing through the liquid dung after the natural sedimentation, and the hot water after the high-temperature sterilization is sent into the 3rd cooling bay, is used for cleaning pig house through cooled water;
The another preferred embodiment of present embodiment is, the described first natural sedimentation pond is other to be provided be used to the transition pond of depositing new generation liquid dung, described transition pond is positioned at top, the first natural sedimentation pond, initial precipitation can either be carried out to the liquid dung of new generation in the transition pond, can avoid the liquid dung in it to mix with liquid dung in the first natural sedimentation pond again, influence the effect of natural sedimentation; Again because the transition pond is higher than the first natural sedimentation pond, make that the liquid dung in the transition pond can following current to the first natural sedimentation pond, energy savings consumption;
Further, preferably the liquid outlet in the transition pond arranges filter screen, makes to enter the minimizing of the impurity in the liquid dung in the first natural sedimentation pond, is convenient to the recycling of later stage.
The another preferred embodiment of present embodiment is that the mode that adopts electromagnetism to heat in the described second high-temperature sterilization sedimentation basin improves sterilisation temp, but is not limited to above-mentioned preferred arrangement, can also adopt the heating of natural gas or biogas.
The another preferred embodiment of present embodiment is that the sterilisation temp in the described second high-temperature sterilization sedimentation basin is 250 ℃, can effectively kill the virus in the liquid dung.
The another preferred embodiment of present embodiment is, the natural pond liquid in the described methane-generating pit is carried by kinetic pump and is used for planting vegetable and/or tree is viewed and admired in plantation, can also be used for plantation and be used for the Chinese pennisetum that feeds pigs etc., is not limited to above-mentioned preferred arrangement.
Embodiment 2
Present embodiment and above-described embodiment are basic 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, the 3rd cooling sedimentation basin is arranged on the second sterilization sedimentation basin below, the second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, the first natural sedimentation pond is used for the liquid dung natural sedimentation, and the natural sedimentation time is 1 day; The second high-temperature sterilization sedimentation basin is used for sterilizing through the liquid dung after the natural sedimentation, and the hot water after the high-temperature sterilization is sent into the 3rd cooling bay, is used for cleaning pig house through cooled water;
The another preferred embodiment of present embodiment is that the sterilisation temp in the described second high-temperature sterilization sedimentation basin is 200 ℃.
Embodiment 3
Present embodiment and above-described embodiment are basic 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, the 3rd cooling sedimentation basin is arranged on the second sterilization sedimentation basin below, the second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, the first natural sedimentation pond is used for the liquid dung natural sedimentation, and the natural sedimentation time is 3 days; The second high-temperature sterilization sedimentation basin is used for sterilizing through the liquid dung after the natural sedimentation, and the hot water after the high-temperature sterilization is sent into the 3rd cooling bay, is used for cleaning pig house through cooled water;
The another preferred embodiment of present embodiment is that the sterilisation temp in the described second high-temperature sterilization sedimentation basin is 300 ℃.
Embodiment 4
Present embodiment and above-described embodiment are basic identical, the main distinction is: the biogas that described methane-generating pit produces is divided into two parts, a part is preferred for the pig house illumination and/or has a bath and cook, another part is preferred for the second high-temperature sterilization sedimentation basin heating disinfection, biogas is rationally utilized, reduce the cost of raising pigs.
Embodiment 5
Present embodiment and above-described embodiment are basic identical, and the main distinction is:
Described hot water after high-temperature sterilization at first is used for the 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, adopts hot water heating, has more environmental protection, safer advantage.
Obviously; those of ordinary skill in the art is according to the technological know-how of grasping and customary means; according to above said content, can also make the various ways that does not break away from basic fundamental thought of the present invention, these pro forma conversion are all within protection scope of the present invention.
Claims (9)
1. pig farm dejecta treatment method, comprise that the excreta with pig is separated into argol and liquid dung, argol is done after the fermentation process respectively as raw material and the fish meal of producing compoiste fertilizer, it is characterized in that: described liquid dung is divided into two parts to be handled, part liquid dung enters methane-generating pit for the production of biogas, another part liquid dung is sent into sedimentation basin and is used for the precipitation sterilization, and liquid dung is used for cleaning pig house after precipitation is disinfected.
2. a kind of pig farm as claimed in claim 1 dejecta treatment method, it is characterized in that: described liquid dung amount for the production of biogas is 3/4 of total liquid dung amount, described liquid dung amount for the precipitation sterilization is 1/4 of total liquid dung amount.
3. a kind of pig farm as claimed in claim 1 dejecta treatment method, it is characterized in that: described sedimentation basin is divided into the first natural sedimentation pond, the second high-temperature sterilization sedimentation basin and the 3rd cooling sedimentation basin, the 3rd cooling sedimentation basin is arranged on the second sterilization sedimentation basin below, the second high-temperature sterilization sedimentation basin is arranged on the below in the first natural sedimentation pond, the first natural sedimentation pond is used for the liquid dung natural sedimentation, and the natural sedimentation time is 1-3 days; The second high-temperature sterilization sedimentation basin is used for sterilizing through the liquid dung after the natural sedimentation, and the hot water after the high-temperature sterilization is sent into the 3rd cooling bay, is used for cleaning pig house through cooled water.
4. a kind of pig farm as claimed in claim 3 dejecta treatment method, it is characterized in that: the described first natural sedimentation pond is other to be provided be used to the transition pond of depositing new generation liquid dung, and described transition pond is positioned at top, the first natural sedimentation pond.
5. a kind of pig farm as claimed in claim 3 dejecta treatment method is characterized in that: adopt the mode of electromagnetism heating to improve sterilisation temp in the described second high-temperature sterilization sedimentation basin.
6. a kind of pig farm as claimed in claim 3 dejecta treatment method, it is characterized in that: the biogas that described methane-generating pit produces is divided into two parts, and a part is used for the pig house illumination and/or has a bath and cook, and another part is used for the second high-temperature sterilization sedimentation basin heating disinfection.
7. as claim 3,4,5 or 6 described a kind of pig farm dejecta treatment methods, it is characterized in that: the sterilisation temp in the described second high-temperature sterilization sedimentation basin is 200-300 ℃.
8. a kind of pig farm as claimed in claim 3 dejecta treatment method, it is characterized in that: described hot water after high-temperature sterilization at first is used for the 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.
9. a kind of pig farm as claimed in claim 1 dejecta treatment method is characterized in that: the natural pond liquid in the described methane-generating pit is carried by kinetic pump and is used for planting vegetable and/or tree is viewed and admired in plantation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310126581.9A CN103191904B (en) | 2013-04-12 | 2013-04-12 | A kind of Manure treatment method in pig farm |
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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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| CN103191904A true CN103191904A (en) | 2013-07-10 |
| CN103191904B CN103191904B (en) | 2015-08-05 |
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Cited By (3)
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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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| 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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| CN103191904B (en) | 2015-08-05 |
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