CN202430089U - Sustainable processing system for waste water for raising pig - Google Patents
Sustainable processing system for waste water for raising pig Download PDFInfo
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- CN202430089U CN202430089U CN2011205288394U CN201120528839U CN202430089U CN 202430089 U CN202430089 U CN 202430089U CN 2011205288394 U CN2011205288394 U CN 2011205288394U CN 201120528839 U CN201120528839 U CN 201120528839U CN 202430089 U CN202430089 U CN 202430089U
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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
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Abstract
The utility model belongs to the field of the pig husbandry in the animal husbandry, which particularly relates to a sustainable processing system for waste water for raising a pig. The sustainable processing system for waste water for raising the pig provides an artificial wetland and aquatic plant ecological treatment system with a good comprehensive design and purification effect by aiming at the defects of disordered nutrient element ratio and high nitrogen and ammonia content after the waste water of a large-scale pig farm is subjected to anaerobic digestion and also by aiming at the problem of considering deep nitrogen and deep organic matter removal. The utility model has the technical scheme of providing the sustainable processing system for waste water for raising the pig. The system is formed by successively connecting and arranging a regulation tank, a sedimentation tank, a first-level subsurface-flow artificial wetland, a second-level reinforced artificial wetland, a hydroponic plant bed and a soil percolation system. The processing system provided by the utility model has a good design and purification effect, the biological diversity and the landscape function are fully embodied, and a purification function is strengthened. The waste water which is comprehensively processed achieves the requirement of the GB18596-2001 Discharge Standard of Pollutants for Livestock and Poultry Breeding.
Description
Technical field
The utility model belongs to the field of pig industry in the livestock industry, is specifically related to a kind of waste water sustainability treatment system of raising pigs.
Background technology
Livestock breeding wastewater tupe in the prior art:
(1) goes back the field pattern
Feces of livestock and poultry waste water also field is made fertilizer for the cost-effective method of disposal of tradition, can make the livestock and poultry fecaluria not be discharged into external environment, reaches zero release of pollutant.This pattern is applicable to broad and the dissolve economic backward area of fecal sewage of enough farmlands arranged away from city, soil.Family disperses to raise on a household basis swine manure wastewater and handles this method that all adopts.Also field pattern major advantage one is a zero release of pollutant, realizes resource utilization to greatest extent, can reduce applying quantity of chemical fertilizer, and reduced investment does not consume energy, and does not need the personal management, and running expense is low etc.But the subject matter of its existence is to need a large amount of soils to utilize fecal sewage, and per ten thousand pig farms need 7hm at least
2The soil fecal sewage of dissolving is so it is limit and a little less than the flexibility by condition; Rainy season and non-with the fertile outlet and the danger that exists the propagation livestock and poultry that must consider sewage season.
(2) industrial treatment pattern
The industrial treatment pattern comprises different treatment combined systems such as anaerobic treatment, aerobic treatment and anaerobic-aerobic processing.Those are located in the economically developed suburbs, big city, soil anxiety and do not have the larger plant that dissolves fecal sewage or carry out the nature processing in enough farmlands, adopt industrial treatment pattern purifying treatment swine manure wastewater to be advisable.Industrial treatment pattern major advantage one is to take up an area of to lack; The 2nd, wide adaptability does not receive geographic restriction.Its main drawback one is that investment is big, and per ten thousand pig farm fecal sewages are handled about 1,200,000～1,500,000 yuan of investment; The 2nd, energy consumption is high, every processing 1m
3, sewage is power consumption 2～4kWh approximately; The 3rd, running expense is high, every processing 1m
3, sewage needs about 2.0 yuan of operational costs; The 4th, mechanical means is many, and the maintenance management amount is big, needs the technical skill personal management.
(3) Ecological Disposal pattern
The Ecological Disposal pattern mainly adopts ecological treatment systems such as oxidation pond, land treatment system or artificial swamp that plant's fecal sewage is handled; Be applicable to apart from the city far away, temperature is higher and the soil is broad has beach, wasteland, forest land or bottom land can do sewage natural treatment system, area underdeveloped, requires plant's scale medium.Nature tupe major advantage one is that investment economizes, less energy consumption, and operational and administrative expenses is low; The 2nd, sludge quantity is few, does not need complicated sludge treating system; The 3rd, be convenient to management, little to surrounding environment influence; The 4th, recyclable resource.China's southern area such as Jiangxi, Fujian and Guangdong etc. are economized and also to be used the Ecological Disposal patterns more, get into oxidation pond again after the anaerobism pre-treatment and handle but adopt mostly, and oxidation pond is the series connection of the multistage pool, and floor space is quite big.
Raising pigs, principal pollutant are COD (COD), nitrogen, phosphorus etc. in the waste water, belong to high concentrated organic wastewater, and contain more pathogenic bacteria.It has characteristics such as solid-liquid mixes, hardly degraded organic substance content high, nitrogen and phosphorus content is high, the imbalance of carbon N/P ratio example, and drain time is concentrated relatively, makes that impact load is strong, intractability is big, and conventional treatment process is difficult to realize this type standard wastewater discharge.And livestock and poultry breeding industry is as a kind of meagre profit industry, and profit margin is little, industry has a big risk, and expensive improvement technology will make enterprise can't bear to bear.
According to enterprise's self-growth, requirement on environmental protection, the WWT of plant has been instant major issue.The large scale of pig farm waste water treatment process mainly contains nature at present and handles, goes back field processing, three kinds of patterns of industrial treatment.Such as, the sequencing batch biofilm reactor technology is little with floor space, and processing efficiency is high, and is simple to operate and be widely used in the processing of high density, difficult degradation sewage, especially better to the removal effect of organism, suspended solids.The artificial swamp technology is cheap with it, higher removal, be easy to management, environmental benefit is good etc., and many advantages are used widely.But which kind of method treatment effect is all undesirable, or effluent quality does not reach emission request, or cost is too high can't be applied in China, and therefore single sewage disposal technology is difficult to satisfy large-scale pig farm wastewater treatment economy, requirement efficiently.
The utility model content
The purpose of the utility model is to be directed against large scale of pig farm field waste water after the methane-generating pit anaerobic digestion; The shortcoming that nutritive element is out of proportion, ammonia-nitrogen content is high; Consider that simultaneously advanced nitrogen, the degree of depth remove organic problem, a kind of artificial swamp and waterplant ecological treatment system of integrated design good purification is provided.
The technical scheme of the utility model is: a kind of waste water sustainability treatment system of raising pigs is provided, and said system is connected successively by equalizing tank, settling tank, one-level drowned flow artificial wet land, secondary reinforcement artificial swamp, hydroponic plant bed, soil filtration system and rearranges.
Preferably, the pool side wall of the equalizing tank of the above-mentioned waste water sustainability treatment system of raising pigs adopts straight nogging to mix structure, is concrete structure at the bottom of the pond.
Preferably, the size dimension of the equalizing tank of the above-mentioned waste water sustainability treatment system of raising pigs is 6m * 3.5m * 2.5m.
Preferably, the pool side wall of the said settling tank of the above-mentioned waste water sustainability treatment system of raising pigs adopts straight nogging to mix structure, is concrete structure at the bottom of the pond, and the size dimension of said settling tank is 4m * 1.25 * 2.5m.
The beneficial effect of the utility model is: combine Fujian or southern region and climatic characteristic; With the ecological engineering is means; Utilize near the soil of plant area; The construction ecological treatment systems such as waste water artificial swamp and waterplant reparation of raising pigs are to cut down aquaculture wastewater to agricultural and the excessive pollution load of downstream water body.Structure and performance characteristic through each limiting factor, the ecosystem in the research ecological systems engineering; Ecological suitability etc., the artificial swamp of integrated design good purification and waterplant ecological treatment system had both demonstrated fully species diversity; Landscape function, strengthened purification ability again.Waste water reaches GB18596-2001 " livestock and poultry breeding industry pollutant emission standard " requirement after comprehensive treating process.
Description of drawings
Fig. 1 is the utility model waste water sustainability treatment system structure iron 1 of raising pigs.
Fig. 2 is the utility model waste water sustainability treatment system structure iron 2 of raising pigs.
Embodiment
By the technology contents, the structural attitude that specify the utility model, realized purpose and effect, know clearly below in conjunction with embodiment and conjunction with figs. and give explanation.
The ecological engineering treatment technology is a kind ofly to remove the wherein technology of pollutent through various biocenological comprehensive actions in the ecosystem; Be plant that utilize to cultivate or the vital movement of mikrobe, to water pollutant shift, conversion and Degradation, thereby the technology that water body is purified.In recent years, this type technical development is very fast, has all reached the degree of engineering practicability at home and abroad, and has accumulated many experiences.Ecological engineering technology comprises artificial swamp, technology such as soil subsurface infiltration and hydroponic plant filter bed.
(1) artificial swamp
Artificial swamp is a kind of novel sewage treatment process that this century, the seventies grew up, and is the simulation and the reinforcement of natural wet land system.It generally is made up of soil (or hand-stuff, like the grains of sand, rubble etc.) and growth waterplant (like reed) above that, is the soil-plant-microbial ecosystem of a uniqueness.EPA is defined as artificial swamp: artificial wet land treating system is that the sewage soil of controlledly batching often is in state of saturation; Growth has on the soil of the living plants in marsh such as resembling reed, cattail, and sewage is along a kind of land treatment system that under water-fast plant and soil and microbial association effect, is purified in the certain orientation flow process.
Artificial swamp can promote the circulation of nutrient for plants in the waste water, and useful matter contained in the waste water is utilized with the crop form again, can afforest the soil, improves regional climate, promotes the benign cycle of ecotope.In brief, have the characteristics of " Senior Three low not ", promptly high-level efficiency, low investment, low running expense, lowly keep technology and not power consumption basically.
Through mode, artificial swamp can be divided into surface current artificial wetland and underflow type artificial wet land according to the sewage current:
The surface current artificial wetland: waste water is in the filling surface cross flow, and is the most approaching with natural wetland.The degraded of most organic is by accomplishing attached to the mikrobe on the cane under the vegetation water.The shortcoming of this type wetland is the effect that can not make full use of filler and the root system of plant that enriches, and sanitary condition is bad etc.
Underflow type artificial wet land: water is at the inner seepage flow of filler, can make full use of that mikrobe and other on filling surface and the root system of plant are various to be used for handling waste water, so contaminant removal efficiency is high, and water outlet is limpid, and sanitary condition is better.
(2) hydroponic plant filter bed
Adopting hydroponic plant filtration method purifying eutrophication water body is japonic research experience; This technology at first selects the waterplant dense planting of stem stalk and well developed root system in artificial tank; Fine and closely woven netted root system bed course through forming in the growing process filters removal with suspension pollutent in the water and algae efficiently; By mikrobe the nutrition biodegrades such as organism, nitrogen and phosphorus in the mud stores (deposition) that forms are removed then; Remove in the water through plant absorbing simultaneously and part nitrogen, Phosphorus nutrition in the bed mud; And most of organism and nutrition are shifted out water body through regular removing deposition, form an efficient ecological purification system that constitutes by aquatic animal and symbiotic microorganism.It can also produce the aquatic vegetable with very high economic worth simultaneously, to reach the reusable edible of resource.
(3) soil subsurface infiltration
Subsurface infiltration is a type that the soil is handled, and the investigator's initiative by Japan is applicable to wastewater treatment in the small-sized villages such as rural area, small towns.This system utilizes and reinforced soil mikrobe and soil-plant are stablized the purification function of the ecosystem; The mode that is employed in the soil surface water distribution sewage of batching; Sewage batched to have in the soil layer of certain structure and good diffusion performance, and pollutants in sewage is degraded in the material cycle of the ecosystem, purifies water; The flow of energy of energy through the ecosystem in the sewage made full use of step by step, with the Ecological Disposal engineering of the middle and small scale of keeping the normal performance of the ecosystem.
Subsurface infiltration demonstration project ground plantation rye grass.The lawn gives people with clear, nice and cool, pleasing sensation as the chief component of cities and towns and tourism, the greening of villa district, for people have built the environment of a kind of Wonderful Job and life, more and more receives and payes attention to widely and use.The lawn also has the well effect of protection environment except that having the good function of beautifying the environment.Through long-term tackling key problem research, confirm that the major technique economic parameters of subsurface wastewater infiltration system is following: treatment scale: 50-300m
3/ d, the middle water recovery: 70%-80%; Economic target: one-time investment is equivalent to 1/2 of secondary biochemical treatment engineering, operational cost be merely its 1/5.
Realize recycling treatment after the breeding wastewater process multi-stage ecological purification system of pig farm discharging every day.All kinds of pollution substances in the sewage are removed in different treatment rank different processes and plant assembly, make waste water finally reach emission standard and realize recovering and reutilizing waste water and utilizationization again.Beautify the pig farm environment, but sub products such as while harvested vegetable, herbage, agricultural raw material are that enterprise creates certain economic benefits.The application of this demonstration project has not only solved the sewage handling problem of plant, incorporates pig-breeding in the benign ecological cycles system again, realizes sustained development of enterprises.
The pig farm breeding wastewater has typically " three height " characteristic, i.e. high-enriched organics, and high nitrogen phosphorus, SS exceeds standard tens of times, is higher than conventional sewage water quality far away, and intractability is quite big.Pollutant load that is tolerated and the concentration of considering ecological treatment system have certain limit, intend and adopt the stage purification system handles high density waste water of raising pigs.
The waste water of at first raising pigs is removed contained a large amount of suspended particles in the waste water through settling tank; Evenly be distributed in the one-level drowned flow artificial wet land then; The degraded and subdue the ammonia nitrogen in the waste water, pollution substances such as organism then enter into the secondary reinforcement artificial swamp waste water are carried out the denitrogenation dephosphorizing intensified process.The hydroponic plant filter bed is ploughed edible aquatic vegetable through water, absorb with further purify waste water in nitrogen, nutritive substances such as phosphorus are to reach the reusable edible of resource.Adopt processing efficiency high at last, the well behaved subsurface wastewater infiltration system deep purifying of the view waste water of raising pigs is realized the reuseization of waste water.Good forage such as subsurface wastewater infiltration system surface plantation rye grass, can also beautify the environment in the lawn that provides.
Embodiment 1
The pig farm breeding wastewater has typically " three height " characteristic, i.e. high-enriched organics, and high nitrogen phosphorus, SS exceeds standard tens of times, is higher than conventional sewage water quality far away, and intractability is quite big.Pollutant load that is tolerated and the concentration of considering ecological treatment system have certain limit, intend and adopt the stage purification system handles high density waste water of raising pigs, and concrete system construction drawing is as shown in Figure 1.
See also Fig. 2; At first raise pigs waste water behind the methane-generating pit anaerobically fermenting; Remove contained a large amount of suspended particles in the waste water through settling tank, evenly be distributed in the one-level drowned flow artificial wet land then, degrade and subdue the ammonia nitrogen in the waste water; Pollution substances such as organism then enter into the secondary reinforcement artificial swamp waste water are carried out the denitrogenation dephosphorizing intensified process.The hydroponic plant filter bed is ploughed edible aquatic vegetable through water, absorb with further purify waste water in nitrogen, nutritive substances such as phosphorus are to reach the reusable edible of resource.Adopt processing efficiency high at last, the well behaved subsurface wastewater infiltration system deep purifying of the view waste water of raising pigs is realized the reuseization of waste water.Good forage such as subsurface wastewater infiltration system surface plantation rye grass, can also beautify the environment in the lawn that provides.The utility model the waste water sustainability treatment system of raising pigs respectively form specific as follows:
1, equalizing tank
Because the discharging of piggery wastewater water is to concentrate on a certain period, for protecting follow-up ecology and botanical system steady running, must make waste water get into system equably through the adjusting of equalizing tank.The adjusting time is pressed 8h, and then volume adjusted is: 40m
3, scantlings of the structure is: L * B * H=6 * 3.5 * 2.5m, 2 meters of the depth of waters.
Need following affiliated facility in addition:
Lift pump: 2, be used for the lifting of waste water, Q=5m
3/ h, H=15m, N=0.15KW
1 of grid and grating tank adopt 1 of mechanical grille, and grating tank is of a size of: L * B * H=3 * 0.5 * 2.5m.
2, settling tank
Still contain a large amount of suspended particles owing to raise pigs in the waste water, therefore need carry out precipitation process,, can alleviate the post-processed load simultaneously in order to avoid too much particulate matter entering wet land system results in blockage to waste water.According to maximum emission 120m
3/ d, retention time of sewage 2 hours, then the useful volume of settling tank is separated and is 10m
3, scantlings of the structure is: L * B * H=4 * 1.25 * 2.5m, deposition pool side wall adopts straight nogging to mix structure, is concrete structure at the bottom of the pond.
3, one-level drowned flow artificial wet land
The design hydraulic load is Lw=10cm/d, then the wetland area:
A=Q/Lw=120/0.1=1200m
2, wetland length * wide * be 15m * 80m * 1m deeply, the gradient 1%.
Gravel has been filled in the underflow type artificial wet land the inside, the filler that hydraulic conductivities such as slag can be good.Waterplant such as wetland top plantation reed.
4, secondary reinforcement artificial swamp
The design hydraulic load is Lw=15cm/d, then the wetland area:
A=Q/Lw=120/0.15=800m
2, wetland length * wide * be 15m * 54m * 1m deeply, the gradient 1%.
The filler of human configuration is filled in the strengthened artificial wet land the inside, strengthens mikrobe and wet land system purification function.Waterplant such as wetland top plantation reed.
5, hydroponic plant filter bed
The design hydraulic load is Lw=1m/d, then hydroponic plant filter bed area: A=Q/Lw=120/1=120m
2, adopt the parallel running of two-stage plant filter bed, Chi Tichang * wide * be 6m * 20m * 0.5m deeply, the gradient 1%.
To plant mater convolvulus in the filter tank, the harmony dish, economic edibility aquatic vegetable such as Wildcelery Herb also can be used as the pig farm feed, has economic benefit.In addition, can also put large-scale zoobenthos screw, loach etc. in the filter tank in a suitable place to breed,, improve detergent power with the biologic chain in the expanding system.
6, soil filtration system
The design hydraulic load is Lw=0.4m/d, then soil filtration system area:
A=Q/Lw=120/0.4=300m
2, filtration system length * wide * be 20m * 15m * 1.5m deeply.
Herbages such as earth surface planting rye grass can bring certain economic benefits, and the lawn has the function of greening, give people with clear, nice and cool, pleasing sensation, have built the environment of a kind of Wonderful Job and life for people.
The application of reed is very extensive in the wetland, mainly as the curtain or the like that shades in paper industry, artwork processing, agriculture prodn and the life.Reed output is by 1000 kilograms of/mu calculating, and about 360 yuan of reed market value per ton can obtain certain income.
Vegetables such as mater convolvulus in the hydroponic plant filter tank; The market average price is about 0.8 yuan/Kg, and year growth cycle of mater convolvulus was in 6 months 5-10 months, and per 30 days results mater convolvulus once; Every mu of wetland can produce about 11.6 tons of mater convolvulus, can bring every mu of 9280 yuan of annual incomes.Other season of growth, can plant corresponding waterplant or flowers, also can produce economic benefit.
The rye grass of soil filtration system earth surface planting is a kind of good herbage, can periodical reaping be used for pasture, can also supply with composting plant and be used for producing green composite fertilizer.
The utility model combines Fujian or southern region and climatic characteristic; With the ecological engineering is means; Utilize near the soil of plant area, build the ecological treatment systems such as waste water artificial swamp and waterplant reparation of raising pigs, to cut down aquaculture wastewater agricultural and the excessive pollution load of downstream water body.Structure and performance characteristic through each limiting factor, the ecosystem in the research ecological systems engineering; Ecological suitability etc., the artificial swamp of integrated design good purification and waterplant ecological treatment system had both demonstrated fully species diversity; Landscape function, strengthened purification ability again.Waste water reaches GB18596-2001 " livestock and poultry breeding industry pollutant emission standard " requirement after comprehensive treating process.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model specification sheets and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (4)
1. the waste water sustainability treatment system of raising pigs is characterized in that, said system is connected successively by equalizing tank, settling tank, one-level drowned flow artificial wet land, secondary reinforcement artificial swamp, hydroponic plant bed, soil filtration system and rearranges.
2. the waste water sustainability treatment system of raising pigs according to claim 1 is characterized in that the pool side wall of said equalizing tank adopts straight nogging to mix structure, is concrete structure at the bottom of the pond.
3. the waste water sustainability treatment system of raising pigs according to claim 1 is characterized in that the size dimension of said equalizing tank is 6m * 3.5m * 2.5m.
4. the waste water sustainability treatment system of raising pigs according to claim 1 is characterized in that the pool side wall of said settling tank adopts straight nogging to mix structure, is concrete structure at the bottom of the pond, and the size dimension of said settling tank is 4m * 1.25m * 2.5m.
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| CN2011205288394U CN202430089U (en) | 2011-12-15 | 2011-12-15 | Sustainable processing system for waste water for raising pig |
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| CN2011205288394U CN202430089U (en) | 2011-12-15 | 2011-12-15 | Sustainable processing system for waste water for raising pig |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570133A (en) * | 2013-10-29 | 2014-02-12 | 太仓市双凤勤之立生态养殖场 | Plant water treatment method |
| CN104150715A (en) * | 2014-08-20 | 2014-11-19 | 中国环境科学研究院 | Sewage treatment device by combining tidal current artificial marsh and soil percolation system and method thereof |
| CN105130121A (en) * | 2015-09-01 | 2015-12-09 | 北京市农林科学院 | Method for treating anaerobic digestion solution for livestock breeding |
| CN112744918A (en) * | 2020-12-10 | 2021-05-04 | 中国科学院亚热带农业生态研究所 | Method for treating breeding sewage by Guimu I and application |
| CN115196841A (en) * | 2022-08-25 | 2022-10-18 | 威海市大有机械制造有限公司 | Organic sewage living bacterium animal and plant purification process |
-
2011
- 2011-12-15 CN CN2011205288394U patent/CN202430089U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570133A (en) * | 2013-10-29 | 2014-02-12 | 太仓市双凤勤之立生态养殖场 | Plant water treatment method |
| CN104150715A (en) * | 2014-08-20 | 2014-11-19 | 中国环境科学研究院 | Sewage treatment device by combining tidal current artificial marsh and soil percolation system and method thereof |
| CN104150715B (en) * | 2014-08-20 | 2016-03-02 | 中国环境科学研究院 | Tidal flow artificial wetland and Efficiency for Soil Aquifer Treatment combined sewage water treatment unit and method |
| CN105130121A (en) * | 2015-09-01 | 2015-12-09 | 北京市农林科学院 | Method for treating anaerobic digestion solution for livestock breeding |
| CN112744918A (en) * | 2020-12-10 | 2021-05-04 | 中国科学院亚热带农业生态研究所 | Method for treating breeding sewage by Guimu I and application |
| CN115196841A (en) * | 2022-08-25 | 2022-10-18 | 威海市大有机械制造有限公司 | Organic sewage living bacterium animal and plant purification process |
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