CN105541033A - Livestock and poultry aquaculture wastewater ecological treatment system - Google Patents
Livestock and poultry aquaculture wastewater ecological treatment system Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention belongs to the field of wastewater purification, and particularly relates to a livestock and poultry aquaculture wastewater ecological treatment system. The livestock and poultry aquaculture wastewater ecological treatment system comprises a water inlet, a water outlet and treating ponds; the treating ponds include the settling pond connected with the water inlet, the straw matrix pond and the aquatic-plant wetland pond connected with the water outlet, and all the ponds are connected through pipes to form a wastewater treatment system; water purifying plants are planted in the aquatic-plant wetland pond. A modifying agent is added into the straw matrix pond, wherein the modifying agent comprises, by weight, 500-1,000 parts of cyclodextrin, 100-200 parts of alkyl phosphate diethanolamine salt and 10-100 parts of dapsone. By means of the livestock and poultry aquaculture wastewater ecological treatment system, wastewater treating cost can be reduced, the market competitiveness of a scale farm is improved, derivatives in the treating ponds have the quite high economic values, the sustainable and harmonious development of the culturing industry and the environment is promoted, and the quite high social benefits are achieved.
Description
Technical field
The invention belongs to sewage purification field, particularly relate to a kind of beasts, birds and aquatic products breeding wastewater ecological treatment system.
Background technology
The water pollution problem that aquaculture (livestock and poultry, aquatic products) causes, in today of ecological, environmental protective pay attention to day by day, more and more receives publicity.Along with the expanding day of aquaculture scale, the water pollution problem of live pig and warmhouse booth cultivation is particularly evident.In recent years, along with the deep propelling that " three change tear open " and " five water are controlled altogether " work, aquaculture (livestock and poultry, aquatic products) is although Pollution abatement achieves certain effect, and the factors such as live pig breeding stock is large, greenhouse soft-shelled turtle area is wide, cause problem of environmental pollution still quite outstanding.Work out a kind of practical, can at utmost save plant's treatment cost again, the method for walking out an ecologic breeding Sustainable Development Road is extremely urgent.
Chinese patent CN102491522 discloses following technology contents: a kind of method of the Water ecoenvironment based on aquatic plant harvesting, the present invention relates to a kind of Water ecoenvironment method, it is characterized in that the waterplant cultivated waterplant or utilize clear-cutting forestland in water body, utilize aquatic plants growth absorbed nitrogen phosphorus recycling, artificial or the use weed cutting equipment harvesting waterplant vegetative period, promote waterplant regrowth, multi-harvest, and terminate vegetative period, after waterplant bears seed or nutrition propagule, gather in for the last time, with the form of waterplant residual branch, nitrogen and phosphorous nutrient is extracted from water, its objective is and waterplant full accumulation in vegetative period biomass is maximized, or effects of purification quality is best, remove water body and settling Middle nutrition salt simultaneously, slow down body eutrophication process, prevent the rotten polluted-water again of waterplant.
But above-mentioned Water ecoenvironment method needs repeatedly artificial or equipment harvesting waterplant, wastes time and energy, although and disclose multiple alternative waterplant, be not in optimized selection, best effects of purification quality can not be reached.
Chinese patent CN103359825 discloses following technology contents: a kind for the treatment of process of pig farm waste pollutant, the steps include: that A builds straw matrix pool: build straw matrix pool, by degradation of rice straw waste water COD, receive nitrogen phosphorus, straw matrix pool specification is determined according to the quantity of livestock on hand pig, the technical parameter of matrix pool and spatial arrangement, comprise: 1) rice straw tank depth is 70-90cm, area is 0.2-0.3m2/ head livestock on hand pig, straw matrix pool is divided into 4 grades, single pool area 50-100m2 on the basis ensureing cubic capacity size; ......
Certain COD and nitrogen phosphorus although above-mentioned straw matrix pool can be degraded, because straight line between its matrix pool connects, breeding wastewater flow direction is single, and its degrading effects is poor.
Meanwhile, above-mentioned cultivating wastewater purification mode is all excessively single, can not remove the pollutent in breeding wastewater rationally, efficiently.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of structure is simple, pollutent in comprehensive treating process breeding wastewater can the ecological treatment ponds of direct inspection process state.For this reason, the invention provides following technical scheme:
Beasts, birds and aquatic products breeding wastewater ecological treatment system, comprise water-in, water outlet and treating pond pond body, described pond body comprise be connected with water-in settling tank, straw matrix pool and the waterplant wetland pond that is connected with water outlet, be connected to form a Waste Water Treatment by pipeline between the body of each pond; Described waterplant wetland pond plantation water purification plant.
Add modifying agent in described straw matrix pool, the parts by weight of component of this modifying agent is as follows:
Cyclodextrin 500 ~ 1000
Alkyl phosphate diethanolamine salt 100 ~ 200
Dapsone 10 ~ 100.
Contriver finds, in straw matrix pool, add modifying agent, be conducive to the COD value and the nitrogen phosphorus index that reduce final waste water, its principle is still uncertain, may be that cyclodextrin provides suitable carbon source, form suitable proportioning, be conducive to being absorbed and used together with nitrogen phosphorus.
Alkyl phosphate diethanolamine salt generally uses as static inhibitor, for the component of the synthon such as terylene, polypropylene fibre spinning oil, plays lubrication and antistatic property, is also used as the static inhibitor of plastics industry.In spinning oil, consumption is the 5-10% of finish total amount.
Dapsone is commonly called as: diaminodiphenylsulfone(DDS), the two benzene sulfone of two amino, dapsone, diaminodiphenys, and dds.=this product is crystallization or the crystalline powder of white or off-white color; Odorless, mildly bitter flavor.This product is easily molten in acetone, dissolves in methyl alcohol, slightly molten in ethanol, almost insoluble in water; Dissolve in dilute hydrochloric acid.The fusing point of fusing point this product is 176 ~ 181 DEG C.Dapsone combines the treatment of all kinds leprosy for being caused by Mycobacterium leprae with other antileprotics.Dapsone also can use other treating for skin disease.
Contriver chances on, and above-mentioned two kinds of materials can form a kind of complex compound under suitable proportioning, covers the straw surface in straw matrix pool, improve the metabolic activity of microorganism together with cyclodextrin.
On the basis adopting technique scheme, the present invention also can adopt following further technical scheme:
Be added with rice straw in described straw matrix pool, be made up of the eight grade matrix ponds be connected, waste water is curved flowing in the body of pond.Utilize the porousness of rice straw, significantly increase the specific surface area in breeding wastewater water body, allow rice straw as medium attached microbial, and provide nutritive element for microorganism, promote its growth and breeding, to degrade under the effect of facultative microbe again organic substance, promote that nutritive salt transforms, carry out cultivating wastewater purification.
Described waterplant wetland pond is made up of three grades of wetland ponds, and one-level wetland pond is provided with disc type oxygenating device, secondary wetland pond Lotus planting, three grades of wetland pond plantation watermifoils.
Increase the oxygen content in water body by oxygenating device at the bottom of disc type in one-level wetland pond, strengthen oxidation degradation response capacity, accelerate the degraded of organic pollutant; The lotus rhizome of planting in secondary wetland pond can gather in edible after maturation, has certain economic worth; The watermifoil planted in three grades of wetland ponds is the equal Absorbable rod phosphorus and nitrogen of root, stem and leaf not only, and better to the tolerance of temperature, together can gather in, without the need to several times a year gathering in when lotus rhizome gathers in.
Described settling tank is divided into area ratio to be three grades of settling tanks of 2:1:1, and pond body is skeleton construction.The 2:1:1 ratio of three grades of settling tank areas, makes breeding wastewater longer in the first stage precipitation tank residence time that area is larger, carries out more preliminary precipitation, and then waste water enters secondary and three grades of settling tanks carry out secondary, three precipitations again.
The position of water-in, outlet pass and water outlet between described three grades of settling tanks is crisscross arranged, and waste water is curved flowing in the body of pond.Which increase the flowing time of waste water at Chi Tizhong, improve the sedimentation effect of settling tank.
Described eight grades of straw matrix pool are rectangular parallelepiped pond, and one to level Four matrix pool forms a matrix pattern structure, and five to eight grade matrix ponds form another matrix pattern structure.This vibrational power flow makes waste water curved flowing in the body of pond, to ensure sufficient contact action between breeding wastewater and rice straw, greatly increases the degradation effect of microorganism.
Described eight grades of straw matrix pool are the construction of the native pool.
The area ratio in described three grades of wetland ponds is 4:5:7, pond Ti Weitu pool construction.
The length of described settling tank pond body is than being 15:8:5 or 7:4:3.
The length of described one to level Four matrix pool is than being 36:21:4, and the length in five to eight grade matrix ponds is than being 34:24.7:4.
The addition of described rice straw is 25kg/m2.
Owing to adopting technical scheme of the present invention, beneficial effect of the present invention is:
(1) settling tank part of the present invention, utilizes the adsorption of polymer alumina to remove suspended organic matter in breeding wastewater and grease etc., reduces COD, ammonia nitrogen and total phosphorus concentration.
(2) straw matrix pool part of the present invention, utilize rice straw to carry out cultivating wastewater purification not only solve crop straw burning can air-polluting problem, and achieve the recycle of stalk resource.
(3) waterplant wetland pond of the present invention part, absorbs the nutritive substances such as nitrogen phosphorus unnecessary in breeding wastewater by plantation water purification plant.Further, the watermifoil planted in three grades of wetland ponds can be used as grass carp, live pig green fodder after harvesting, has higher economic worth, achieves the recycle of resource.
(4) beasts, birds and aquatic products breeding wastewater ecological treatment system of the present invention can reduce wastewater treatment expense, improve the market competitiveness of scale raising, derivative in treating pond has very high economic worth, facilitate the sustainable and harmonious development of aquaculture industry and environment, there is very high social benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of beasts, birds and aquatic products breeding wastewater ecological treatment system provided by the invention.
Fig. 2 is the permanganate concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment four provided by the invention.
Fig. 3 is the ammonia nitrogen concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment four provided by the invention.
Fig. 4 is the total phosphorus concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment four provided by the invention.
Fig. 5 is the permanganate concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment five provided by the invention.
Fig. 6 is the ammonia nitrogen concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment five provided by the invention.
Fig. 7 is the total phosphorus concentration variation diagram of beasts, birds and aquatic products breeding wastewater ecological treatment system embodiment five provided by the invention.
Wherein, first stage precipitation tank 1, second-level settling pond 2, three grades of settling tanks 3, one-level matrix pool 4, secondary matrix pond 5, three grade matrix ponds 6, level Four matrix pool 7, Pyatyi matrix pool 8, six grade matrix pond 11, grade matrix pond 10, eight, grade matrix ponds 9, seven, one-level wetland pond 12, wetland pond 14,13, three grades, secondary wetland pond, water outlet 15.
Embodiment
As shown in Figure 1, beasts, birds and aquatic products breeding wastewater ecological treatment system, comprises water-in, water outlet and treating pond pond body.Pond body comprise be connected with water-in settling tank, straw matrix pool, the waterplant wetland pond that is connected with water outlet, a system is connected to form by pipeline between the body of each pond, breeding wastewater enters from water-in, successively through settling tank, straw matrix pool, waterplant wetland pond, then discharge from water outlet 15.
Wherein, settling tank, pond body is skeleton construction, is divided into area ratio to be three grades of settling tanks of 2:1:1.
Straw matrix pool, Chi Tizhong is added with rice straw, increases the specific surface area in breeding wastewater water body, for adsorbing microorganism and providing nutritive element for it.Pond Ti Weitu pool construction, be made up of the eight grade matrix ponds be connected, waste water is curved flowing in the body of pond.
Waterplant wetland pond, pond Ti Weitu pool construction, plantation water purification plant.General, waterplant wetland pond is made up of three grades of wetland ponds, and one-level wetland pond is provided with the oxygen content in disc type oxygenating device increase water body, strengthens oxidation degradation response capacity, accelerates the degraded of organic pollutant; Secondary wetland pond Lotus planting, can be edible after lotus rhizome ripe and harvested; Three grades of wetland pond plantation watermifoils, for nutritive substances such as absorbed nitrogen phosphorus.
Embodiment one, beasts, birds and aquatic products breeding wastewater ecological treatment system, the pond body of settling tank is kept off by two pieces of lattice and is divided into three grades of settling tanks, and the area ratio being followed successively by first stage precipitation tank 1, second-level settling pond 2 and three grades of settling tanks, 3, three settling tanks is 2:1:1.The position of water-in, outlet pass and water outlet between three grades of settling tanks is crisscross arranged, and makes waste water forming curves flowing in the body of pond.
Straw matrix pool is made up of the eight grade matrix ponds be connected, and eight grade matrix ponds are rectangular parallelepiped pond, and one-level matrix pool 4, grade matrix pond 6, secondary matrix pond 5, three and level Four matrix pool 7, form another matrix pattern structure; Grade matrix pond, Pyatyi matrix pool 8, six grade matrix pond 9, seven 10 and eight grade matrix ponds 11, form another matrix pattern structure.Breeding wastewater passes through one-level matrix pool 4, grade matrix pond 6, secondary matrix pond 5, three, level Four matrix pool 7, grade matrix pond, Pyatyi matrix pool 8, six grade matrix pond 9, seven 10 and eight grade matrix ponds 11 successively, curved flowing.
Pond, waterplant wetland pond body is made up of the three grades of wetland ponds be connected, the area ratio in three grades of wetland ponds is 4:5:7, the area in three grades of wetland ponds 3 is maximum is that its economic worth is also higher, can realize the recycle of resource because watermifoil not only has the ability that purifies water preferably.
Add modifying agent in described straw matrix pool, the parts by weight of component of this modifying agent is as follows:
Cyclodextrin 500
Alkyl phosphate diethanolamine salt 100
Dapsone 10.
Described cyclodextrin is the mixture of three kinds of isomer, wherein alpha-cylodextrin: beta-cyclodextrin: γ-cyclodextrin is 1:3:1.
Embodiment two, in order to be applicable to the cultivating wastewater purification region that booth area is 10,000 square meter, settling tank is long 7 meters, and wide 4 meters, dark 3 meters, area 30m2, cubic capacity 84m3 are skeleton construction, is divided into area ratio to be three grades of settling tanks of 2:1:1 successively.Now, the suspended solids organism in the natural pond liquid after fermentation is precipitated, reduce the best results of COD, ammonia nitrogen and the total phosphorus concentration in the liquid of natural pond.The pond body degree of depth in waterplant wetland pond is 1.5 meters, now processes the cost of breeding wastewater and ratio the best of effect.Other are identical with embodiment one.
Add modifying agent in described straw matrix pool, the parts by weight of component of this modifying agent is as follows:
Cyclodextrin 1000
Alkyl phosphate diethanolamine salt 200
Dapsone 100.
Described cyclodextrin is the mixture of three kinds of isomer, wherein alpha-cylodextrin: beta-cyclodextrin: γ-cyclodextrin is 1:3:1.
Embodiment three, in order to be applicable to the cultivating wastewater purification region of livestock on hand pig about 5000, settling tank is long 15 meters, wide 8 meters, and dark 5 meters, area 120m2, cubic capacity 600m3 are skeleton construction, is divided into area ratio to be three grades of settling tanks of 2:1:1 successively.Now, the suspended solids organism in the natural pond liquid after fermentation is precipitated, reduce the best results of COD, ammonia nitrogen and the total phosphorus concentration in the liquid of natural pond.Straw matrix pool total area 1600m2, dark 2 meters of pond, the length of one to level Four matrix pool is 18 meters, wide 10.5 meters, and the length in five to eight grade matrix ponds is 12.35 meters, and wide is 17 meters.The degree of depth of the pond body in waterplant wetland pond is 2 meters, now processes the cost of breeding wastewater and ratio the best of effect.Other are identical with embodiment one.
Add modifying agent in described straw matrix pool, the parts by weight of component of this modifying agent is as follows:
Cyclodextrin 600
Alkyl phosphate diethanolamine salt 120
Dapsone 20.
Described cyclodextrin is the mixture of three kinds of isomer, wherein alpha-cylodextrin: beta-cyclodextrin: γ-cyclodextrin is 1:3:1.
Embodiment four, for the cultivation base of floor space 68 mu, pig house 24 building, throughout the year livestock on hand 5000, culturing wastewater processing system floor space 3500m2, the mode of monthly periodic sampling is adopted to detect water quality situation, the change in concentration of permanganate as shown in Figure 2, as shown in Figure 3, as shown in Figure 4, the water quality of final process reaches three class water quality standards to the change in concentration of total phosphorus to the change in concentration of ammonia nitrogen.Other are identical with embodiment one.
Add modifying agent in described straw matrix pool, the parts by weight of component of this modifying agent is as follows:
Cyclodextrin 800
Alkyl phosphate diethanolamine salt 160
Dapsone 80.
Described cyclodextrin is the mixture of three kinds of isomer, wherein alpha-cylodextrin: beta-cyclodextrin: γ-cyclodextrin is 1:3:1.
Embodiment five, for floor space 60 mu, the cultivation base having warmhouse booth area 10000 square metres, culturing wastewater processing system floor space 1630m2, the mode of monthly periodic sampling is adopted to detect water quality situation, the change in concentration of permanganate as shown in Figure 5, as shown in Figure 6, as shown in Figure 7, the water quality of final process reaches three class water quality standards to the change in concentration of total phosphorus to the change in concentration of ammonia nitrogen.Other are identical with embodiment one.
Add modifying agent in described straw matrix pool, the parts by weight of component of this modifying agent is as follows:
Cyclodextrin 750
Alkyl phosphate diethanolamine salt 150
Dapsone 60.
Described cyclodextrin is the mixture of three kinds of isomer, wherein alpha-cylodextrin: beta-cyclodextrin: γ-cyclodextrin is 1:3:1.
Claims (10)
1. beasts, birds and aquatic products breeding wastewater ecological treatment system, comprise water-in, water outlet and treating pond pond body, it is characterized in that described pond body comprise be connected with water-in settling tank, straw matrix pool and the waterplant wetland pond that is connected with water outlet, be connected to form a Waste Water Treatment by pipeline between the body of each pond; Described waterplant wetland pond plantation water purification plant, add modifying agent in described straw matrix pool, the parts by weight of component of this modifying agent is as follows:
Cyclodextrin 500 ~ 1000
Alkyl phosphate diethanolamine salt 100 ~ 200
Dapsone 10 ~ 100.
2. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 1, is characterized in that being added with rice straw in described straw matrix pool, and be made up of the eight grade matrix ponds be connected, waste water is curved flowing in the body of pond.
3. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 1, it is characterized in that described waterplant wetland pond is made up of three grades of wetland ponds, one-level wetland pond is provided with disc type oxygenating device, secondary wetland pond Lotus planting, three grades of wetland pond plantation watermifoils.
4. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 1, it is characterized in that described settling tank is divided into area ratio to be three grades of settling tanks of 2:1:1, pond body is skeleton construction.
5. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 4, it is characterized in that the position of water-in, outlet pass and the water outlet between described three grades of settling tanks is crisscross arranged, waste water is curved flowing in the body of pond.
6. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 1, it is characterized in that described eight grades of straw matrix pool are rectangular parallelepiped pond, one to level Four matrix pool forms a matrix pattern structure, and five to eight grade matrix ponds form another matrix pattern structure.
7. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 6, is characterized in that described eight grades of straw matrix pool are the construction of the native pool.
8. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 3, is characterized in that the area ratio in described three grades of wetland ponds is 4:5:7, pond Ti Weitu pool construction.
9. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 2, is characterized in that the addition of described rice straw is 25kg/m2.
10. beasts, birds and aquatic products breeding wastewater ecological treatment system according to claim 2, is characterized in that described cyclodextrin is the mixture of three kinds of isomer, wherein alpha-cylodextrin: beta-cyclodextrin: γ-cyclodextrin is 1:3:1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160679A (en) * | 2018-09-18 | 2019-01-08 | 南京市畜牧家禽科学研究所（南京市家畜品种改良站） | A kind of scale poultry farm sewage treatment recycling system |
| CN116606027A (en) * | 2023-06-19 | 2023-08-18 | 中国科学院西双版纳热带植物园 | Natural rubber processing wastewater treatment process |
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