CN100460342C - Method of treatment of and circulation utilization of hoggery sewage by using earthworm biological filter cell - Google Patents
Method of treatment of and circulation utilization of hoggery sewage by using earthworm biological filter cell Download PDFInfo
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- CN100460342C CN100460342C CNB2006100252192A CN200610025219A CN100460342C CN 100460342 C CN100460342 C CN 100460342C CN B2006100252192 A CNB2006100252192 A CN B2006100252192A CN 200610025219 A CN200610025219 A CN 200610025219A CN 100460342 C CN100460342 C CN 100460342C
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- biological filter
- filter tank
- worm biological
- pig farm
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Abstract
This invention relate to method to dispose and recycle hoggery sewage with earthworm biofiltration pool, which is attributed to the field of environment-protection technology. First, sty structure of the hoggery is designed as strip-like floors and ramp-like ground for the sake of conveniently cleaning off excrement. The sewage after cleaning is collected into a sewage pool, pumped out and filtered to remove comparatively bigger excrement particles. The filtered sewage is pumped into the earthworm biofiltration pool for disposal and purification. The purified sewage is collected in a storage pool for next sty cleaning so as to realize zero-discharge and sewage recycling. The whole procedure is automatically controlled by computer programs. In this invention, by recycling sewage, water consumption can be saved by over 30% and ammonia discharge can be reduced by over 60% compared to ordinary hoggery sewage disposal. Sewage zero-discharge can be realized and it is environmentally friendly as a result of no pollution.
Description
Technical field
What the present invention relates to is a kind of environmental technology field sewage disposal and utilizes method, specifically is that a kind of Worm biological filter tank that uses is handled and the method for recycle pig farm sewage.
Background technology
Worm biological filter tank (VBF) is a new sewage disposal biotechnology, is to introduce the organic decomposition processing layer that includes specific earthworm kind on the basis of ordinary biofilter.Because earthworm has the organic substance of eating, it is (permeable to improve soil permeability, ventilation) and with microorganism synergy promote the ecological functions such as degraded of organic substance, therefore, can improve the voidage of filtrate, promote the degraded of organic substance in the sewage, and remove the sludge blockage phenomenon that may occur in the filter tank, thereby improve the processing power and the processing efficiency in filter tank.The introducing that earthworm is filtered decomposition layer has not only improved the disaggregating treatment efficient of organic pollutant in the sewage, but also has overcome this important disadvantages of ordinary biofilter sludge blockage in service.Worm biological filter tank also has certain denitrification dephosphorization function simultaneously.
Find through literature search prior art, the existing technology of handling sanitary sewage with VBF, as Chinese patent application CN00115433.8, patent name is: the microorganism of sanitary sewage-earthworm and ecological filter water treatment system, this patent readme is: " microorganism-earthworm filter tank and water-distributing device are formed for the microorganism of sanitary sewage-earthworm and ecological filter water treatment system; by grid, aerated grit chamber.Because adopting, the present invention meets the ecological microorganism-earthworm and ecological filter that food chain connects of forming, the flow process of entire sewage treatment system is simplified than prior art under the equal area load condition, can under the productivity condition, long-term non-stop run can not stop up, produce foul smell, multiply grey fly, can not produce secondary pollution, compare with existing ordinary biofilter Sewage treatment systems, cost of erection only is 40%, and running cost is 50%～67%, and the excess sludge of generation only is 10%.Yet ", sanitary sewage and pig farm sewage have very big difference, and former technology, only be to handle, and the recycle of the sewage of being unrealized.This technology can't be applicable at the processing of pig farm sewage and reuse technology.
Summary of the invention
The objective of the invention is the deficiency that exists in the sewage disposal technology of existing pig farm, a kind of method of using Worm biological filter tank processing and recycle pig farm sewage is provided, by using Worm biological filter tank to reach the pig farm sewage disposal, recycle purpose, to realize the zero release of sewage, reduce environmental pollution and water saving.
The present invention is achieved by the following technical solutions, and the present invention at first designs the structure of pig farm pigsty, so that water flushing pig excrements; In sewage collecting to a sewage lagoon after the flushing, pump then, filter with filter sieve, to remove bigger suspended particle; Filtered sewage is pumped to Worm biological filter tank and carries out treatment and purification; Sewage collecting after the purification is used for pigsty is washed next time in storage pool, has so just realized the recycle and the zero release of sewage.Whole process is controlled automatically by computer program.
Described pig farm pigsty, ramp type is adopted in the bottom surface, ground, 10 ° at inclination angle, the bottom surface, ground is 1m apart from strip type floor minor increment.
Described screen, aperture are 250 μ m, and sewage realizes doing wet the separation after screen filters.
Described Worm biological filter tank, its filtrate are by 1/3 wood chip and 2/3 the substrate composed mixture that contains earthworm, and filtrate is supported by the lath-shaped floor, has placed one deck synthetic materials filter screen between filtrate and floor, and filter material surface is divided into ditch and ridge.
Described filtrate, its preparation process is as follows: matrix is made up of 3/5 bark, 1/5 swine excrement and 1/5 straw, adds that to be cultured to the earthworm population behind the earthworm basicly stable, with this mature substrate and wood chip with the mixed of 2:1 filtrate.
Described pigsty is washed, by the timed interval flushing pigsty of setting, flushing back gradation is sprayed to Worm biological filter tank according to the amount of pig excrements and the size of Worm biological filter tank, till filtered sewage has been sprayed.
The hydraulic pressure sensor and the pump of sensing sewage deep all are installed in described sewage collecting pool and the storage pool, and whole process is controlled automatically by the computer program of design.
The present invention can be than the sewage water treatment method water saving of common pig farm more than 30% by recycle sewage, and the ammonia emission amount of pigsty reduces more than 60%, has realized the zero release of sewage, the pig farm environmental pollution on every side that does not have sewage discharge to cause.Present method is applicable to all kinds of pig farms, economy, environment and obvious social benefit.Compared with prior art, organic matter removal efficient height of the present invention, effluent quality are good; Energy-conservation, less contamination, serviceability height; Treating processes is easy and simple to handle, by procedure auto-control, saves manpower.
Description of drawings
Fig. 1 the inventive method schema
Embodiment
As shown in Figure 1, the invention process step is as follows:
1. the design of pigsty: strip type is adopted on the floor, and ramp type, 10 ° at inclination angle are adopted in the bottom surface, ground.The bottom surface, ground of bleeding, the space of the movement of pig through between lath, the design of inclination angle at the bottom of the ground can make water be easy to pig excrements is rinsed well.The bottom surface, ground is 1m apart from strip type floor minor increment, the evaporation of the gases such as ammonia that the heat that distributes owing to the pig body with minimizing causes.
2. flushing back sewage is imported into first collecting tank.Hydraulic pressure sensor and pump are housed in the pond.When sewage reaches the degree of depth of setting, sensor conducts information to program, by the programmed instruction pump work, sewage is pumped, in order to avoid sewage too much overflows.
3. the sewage that pumps is by a screen, and the aperture 250 μ m of screen can filter out thicker suspended particle, guarantees that again enough organism pass through simultaneously, to offer earthworm and the required nutrition of microorganism in the filter tank.Filtered sewage enters second collecting tank.
4. the sewage in second collecting tank is sprayed in the Worm biological filter tank.Frequency of spraying and volume according to the scale of Worm biological filter tank and processing power by program setting.A pump and hydraulic pressure sensor also are installed in second collecting tank.When sewage reaches the degree of depth of setting, sensor conducts information to program, by the programmed instruction pump sewage in the pond is pumped and is sprayed in the Worm biological filter tank.The sprinkling gradation is carried out, otherwise once sprinkling is measured too conference and caused that hydraulic load is excessive, can cause earthworm death.The concrete number of times that sprays is also carried out by the computer program program setting according to the amount of pig excrements and the size of Worm biological filter tank.
5. the filtrate of Worm biological filter tank is by 1/3 wood chip and 2/3 the substrate composed mixture that contains earthworm.The preparation process of filtrate is as follows: matrix is made up of 3/5 bark, 1/5 swine excrement and 1/5 straw, adds that to be cultured to the earthworm population behind the earthworm basicly stable, with this mature substrate and wood chip with the mixed of 2:1 filtrate.Filtrate is supported by the lath-shaped floor.Placed one deck synthetic materials filter screen between filtrate and floor, out-of-date with wood chip to prevent effluent stream, earthworm is washed away.Filtrate about 0.7 meter thick.The surface is divided into ditch and ridge, and so that water can not flow away rapidly in the box lunch sprinkling process, earthworm can perch in ridge.
The Worm biological filter tank major function is under the acting in conjunction of earthworm and microorganism, and with the organism in the sewage, nitrogenous compound is removed, and removes part phosphorus simultaneously.
6. the sewage after Worm biological filter tank is handled is guided in the storage pool and stores, and is used for washing pigsty next time.Hydraulic pressure sensor and pump also are housed in the pond, and each pump-out is carried out at the appointed time automatically by program setting, the next circulation of beginning.So just realized reusing sewage.After the system's long period operation, because evaporation is when making the quantity of circulating water deficiency, and system all needs to add tap water when just having brought into operation in storage pool.
Among the present invention, the size of Worm biological filter tank must and the scale of raising pigs must coordinate, make sewage that the nutritional need of earthworm population and microorganism in the filter tank just is provided.
Providing embodiment below in conjunction with content of the present invention, is process object with the sewage on certain pig farm, handles under following condition:
Breed 22 of pigs in the pigsty, closed pigsty, strip type floor.The Worm biological filter tank area is 50m
2, filtrate thickness 0.7m.Every day is every pigsty of flushing in 4 hours, each about 200L of wash water, sewage after the flushing enters first collecting tank, after filtering, screen enters second collecting tank then, sewage gradation in second collecting tank is sprayed to Worm biological filter tank, each about 601,10 minutes at interval, till the water in second collecting tank has sprayed.Recycle the sewage flushing pigsty after handling in the storage pool.
Effect: after each circulation, the removal efficient of pollutent is respectively in the pig excrements: total carbon 85%, total nitrogen 65%.Total burst size of ammonia reduces more than 60% than general treatment process.Than common pigsty purging method water saving 30%.Discharge pollutent with common pig farm sewage water treatment method in environment and compare, present method has realized the zero release of sewage.
Claims (7)
1. one kind is used Worm biological filter tank to handle and the method for recycle pig farm sewage, and it is characterized in that: at first the structure to the pig farm pigsty designs, and strip type is adopted on the floor, and ramp type is adopted in the bottom surface, ground, is convenient to water and washes pig excrements; In sewage collecting to a sewage lagoon after the flushing, pump then, filter with screen, remove bigger faecal particles; Filtered sewage is pumped to Worm biological filter tank and carries out treatment and purification; Sewage collecting after the purification is used for pigsty is washed next time in storage pool, realizes the recycle and the zero release of sewage, and whole process is controlled automatically by computer program.
2. the method for use Worm biological filter tank processing according to claim 1 and recycle pig farm sewage is characterized in that, described pig farm pigsty, and ramp type is adopted in the bottom surface, ground, and its inclination angle is 10 °, and the bottom surface, ground is 1m apart from strip type floor minor increment.
3. the method for use Worm biological filter tank processing according to claim 1 and recycle pig farm sewage is characterized in that, described screen, and the aperture is 250 μ m, sewage realizes doing wet separation after screen filters.
4. the method for use Worm biological filter tank processing according to claim 1 and recycle pig farm sewage, it is characterized in that, described Worm biological filter tank, its filtrate is by 1/3 wood chip and 2/3 the substrate composed mixture that contains earthworm, filtrate is supported by the lath-shaped floor, placed one deck synthetic materials filter screen between filtrate and floor, filter material surface is divided into ditch and ridge.
5. the method for use Worm biological filter tank processing according to claim 4 and recycle pig farm sewage, it is characterized in that, described filtrate, its preparation process is as follows: matrix is made up of 3/5 bark, 1/5 swine excrement and 1/5 straw, add that to be cultured to the earthworm population behind the earthworm basicly stable, with this mature substrate and wood chip with the mixed of 2:1 filtrate.
6. the method for use Worm biological filter tank processing according to claim 1 and recycle pig farm sewage, it is characterized in that, described pigsty is washed, by the timed interval flushing pigsty of setting, flushing back gradation is sprayed to Worm biological filter tank according to the amount of pig excrements and the size of Worm biological filter tank, till filtered sewage has been sprayed.
7. processing and the cyclic utilization method of utilizing Worm biological filter tank to carry out pig farm sewage according to claim 1, it is characterized in that, the hydraulic pressure sensor and the pump of sensing sewage deep all are installed in described sewage collecting pool and the storage pool, and whole process is controlled automatically by the computer program of design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100252192A CN100460342C (en) | 2006-03-30 | 2006-03-30 | Method of treatment of and circulation utilization of hoggery sewage by using earthworm biological filter cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100252192A CN100460342C (en) | 2006-03-30 | 2006-03-30 | Method of treatment of and circulation utilization of hoggery sewage by using earthworm biological filter cell |
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| CN1834034A CN1834034A (en) | 2006-09-20 |
| CN100460342C true CN100460342C (en) | 2009-02-11 |
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| CNB2006100252192A Expired - Fee Related CN100460342C (en) | 2006-03-30 | 2006-03-30 | Method of treatment of and circulation utilization of hoggery sewage by using earthworm biological filter cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897898A (en) * | 2012-10-12 | 2013-01-30 | 常州大学 | Method for treating biogas slurry after recovery of nitrogen and phosphorus in pig farm by adopting biological aerated filter |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531437B (en) * | 2008-03-12 | 2011-05-11 | 中国科学院成都生物研究所 | Compound treatment method of wastewater in pig farm |
| CN103359882B (en) * | 2013-07-24 | 2015-03-04 | 中国科学院亚热带农业生态研究所 | Method for treating pig farm waste pollutant |
| CN103947563A (en) * | 2014-04-04 | 2014-07-30 | 上海德庄农业种植有限公司 | Stereo movable sheep collectively-breeding system |
| CN107047957A (en) * | 2017-04-18 | 2017-08-18 | 中国水产科学研究院珠江水产研究所 | A kind of ecological method and system for handling excreta |
| CN108164115A (en) * | 2017-12-21 | 2018-06-15 | 安徽泰瑞生态农业科技发展有限公司 | A kind of pig manure separating dry space from moist space structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5381393A (en) * | 1976-12-18 | 1978-07-18 | Zenichi Kawashima | Method for producing earthworms for feeding and medical use and earthworm excremental soil for fertilizer by utilizing droppings of swine* chicken0and cattle etc* and wastes from processes for process |
| CN1465336A (en) * | 2002-06-28 | 2004-01-07 | 梅为民 | Perspiration-eliminating deodorant |
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2006
- 2006-03-30 CN CNB2006100252192A patent/CN100460342C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5381393A (en) * | 1976-12-18 | 1978-07-18 | Zenichi Kawashima | Method for producing earthworms for feeding and medical use and earthworm excremental soil for fertilizer by utilizing droppings of swine* chicken0and cattle etc* and wastes from processes for process |
| CN1465336A (en) * | 2002-06-28 | 2004-01-07 | 梅为民 | Perspiration-eliminating deodorant |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897898A (en) * | 2012-10-12 | 2013-01-30 | 常州大学 | Method for treating biogas slurry after recovery of nitrogen and phosphorus in pig farm by adopting biological aerated filter |
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| CN1834034A (en) | 2006-09-20 |
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Granted publication date: 20090211 Termination date: 20120330 |