CN105585210A - Novel technology for treating aquaculture wastewater of fungus-aquatic plant symbiotic system - Google Patents

Novel technology for treating aquaculture wastewater of fungus-aquatic plant symbiotic system Download PDF

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Publication number
CN105585210A
CN105585210A CN201510973569.0A CN201510973569A CN105585210A CN 105585210 A CN105585210 A CN 105585210A CN 201510973569 A CN201510973569 A CN 201510973569A CN 105585210 A CN105585210 A CN 105585210A
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China
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pond
water plant
aquaculture wastewater
sewage
mushroom
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Pending
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CN201510973569.0A
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Chinese (zh)
Inventor
吴金男
尹凡
徐建荣
居红芳
陈旸
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Changshu Institute of Technology
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Changshu Institute of Technology
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Priority to CN201510973569.0A priority Critical patent/CN105585210A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • C02F11/04Anaerobic treatment; Production of methane by such processes
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00Fertilisers from human or animal excrements, e.g. manure
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F7/00Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

The invention discloses a novel technology for treating aquaculture wastewater of a fungus-aquatic plant symbiotic system. After dry and wet separation of the aquaculture wastewater, the wastewater enters a septic tank through a pollutant discharge pipeline, and septic tank wastewater is deposited and then is conveyed into an aerobic tank for aerobic aeration biochemical treatment; then, the septic tank wastewater enters an anoxic pond in an overflow mode through a pipeline for biochemical treatment; finally, the septic tank wastewater enters an aquatic plant pond through a pipeline in an overflow mode to be treated and discharged. The technology has the advantages of being simple, convenient to operate, low in cost and good in aquaculture wastewater treatment effect.

Description

A kind of mushroom-water plant cogeneration system is processed aquaculture wastewater new technology
Technical field
The present invention relates to a kind of mushroom-water plant cogeneration system and process aquaculture wastewater new technology, belong to field of environment protection.
Background technology
Herding had become growth point more active in the economy of Chinese countryside and main pillar industry already. Along with expanding economy; intensive livestock and poultry cultivation plant produces in the highest flight; but scale animal and poultry cultivation has become the main source of China's Rural Plane Source Pollution; in many areas; livestock and poultry fecaluria pollutant discharge amount has exceeded the gross contamination emission such as resident living, township industry, becomes the main cause of many Important Water Sources, river, reservoir severe contamination and eutrophication. The whole nation only has part livestock and poultry farm to have fecal sewage treatment engineering at present, is to be directly disposed to ditch river without any processing mostly, and the water source to surrounding area, air, environment have caused serious pollution. Because the COD of aquaculture wastewater and N, P content are very high, existing aquaculture wastewater adopts septic tank simple process or adds biochemical treatment, and effect is often not ideal.
Summary of the invention
The object of this invention is to provide a kind of mushroom-water plant cogeneration system and process aquaculture wastewater new technology, utilize mushroom-water plant cogeneration system to process aquaculture wastewater, utilize efficient removal effect and the microorganism powerful degradation of organic substances ability (remove COD ability) of water plant to N, P, can effectively process aquaculture wastewater by the organic assembling of two kinds, and technique is simple, cost is lower, the problem causing to solve above-mentioned prior art deficiency.
For achieving the above object, technical scheme of the present invention is:
A kind of mushroom-water plant cogeneration system of the present invention is processed aquaculture wastewater new technology, and after aquaculture wastewater separating dry space from moist space, sewage enters septic tank by blow-off line; Cesspool sewage is first sent into Aerobic Pond and is carried out aerobic aeration biochemical treatment after precipitation; Then enter anoxic pond biochemical treatment in overflow mode by pipeline; Finally enter water plant pond in overflow mode by pipeline again and process rear outer row.
A kind of mushroom-water plant cogeneration system of the present invention is processed aquaculture wastewater new technology, specifically comprises the steps:
(1) separating dry space from moist space: be divided into according to a certain percentage feeding area in plant's colony house, district and discharge area couch, realize the partition management in colony house, colony house laterally and longitudinally all there is certain slope, after separated ight soil solid, the urine of livestock and poultry and colony house flush water thereof enter septic tank by blow-off line;
(2) septic tank processing: sewage enters the septic tank process precipitation of about 24h hour, deposition suspension wherein, upper strata sewage is tentatively removed organic matter wherein through anaerobic fermentation in septic tank;
(3) biochemical treatment, comprise Aerobic Pond biochemical treatment and anoxic pond biochemical treatment: step (2) gained cesspool sewage is passed into Aerobic Pond aeration in the mode of intaking continuously, and before Aerobic Pond operation, add microbial bacterial agent and carry out biofilm in Aerobic Pond, then the sewage in Aerobic Pond and suspended sludge particle enter anoxic pond biochemical treatment in overflow mode by pipeline;
(4) water plant treatment pond processing: anoxic pond sewage in step (3) is entered in water plant pond and finally discharged by the outer discharge pipe that connects water plant pond delivery port by pipeline in overflow mode.
Preferably, in described step (1), separated ight soil solid collection the fermentation of banking up is used as organic fertilizer.
Preferably, the suspension that described step (2) precipitates can decomposition and inversion be stable ripe sludge through anaerobic fermentation, regularly by sludge clearing outward transport, as fertilizer.
Preferably, the middle Aerobic Pond colonization method of described step (3) is for preset aerator in Aerobic Pond and suspension type 3 D elastic filler is installed, cesspool sewage is introduced to Aerobic Pond, by every 10~20g/t injected volume, microbial bacterial agent is dropped into Aerobic Pond, vexed exposing to the sun 5~7 days, treats to hang with on filler the walk of grey black.
Preferably, in described step (3), microbial bacterial agent is the mixed microorganism flora including lactic acid bacteria, bacillus, saccharomycete.
Preferably, in described step (4), outside water plant pond, discharge pipe adds screen pack, and away from delivery port region, aerator is installed in water plant pond.
Beneficial effect of the present invention is:
1, adopt biochemistry and water plant combined treatment, have complementary functions: (organic matter in aquaculture wastewater is easily degraded by microorganisms to utilize water plant (efficiently removing N, P) and microorganism mix bacterium agent, remove COD) " mushroom-water plant " combination carry out aquaculture wastewater processing, both have complementary functions, good to the treatment effect of aquaculture wastewater;
2, microbial inoculum production cost is low: the microbial bacterial agent using in this technique is to utilize high-performance bio bacteria preparation to separate voluntarily cultivation to form, can cultivate and just can produce by simple microorganism, convenient and simple, production cost is low, and the microbial bacterial agent that this technique is used contains the mixed microorganism flora including lactic acid bacteria, bacillus, saccharomycete etc., they be one group to the mankind and eco-friendly bacterium, very active in water environment, all non-pathogenic microorganisms;
3, technique is simple, easy to operate: the main process of this technique adopts the processing of aerobic-anaerobic-water plant, easy to operate.
Brief description of the drawings
Fig. 1 is the particular flow sheet of new technology of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
The raise pigs no public nuisance livestock place of production of cooperative society, certain Jiangsu Province, scale is 2000/year, the major pollutants content COD after testing of sewageCrFor 259mg/L, ammonia nitrogen are 110mg/L, total phosphorus 15.2mg/L.
Concrete treatment process is:
(1) separating dry space from moist space: be divided into according to a certain percentage feeding area in plant's pig house, district and discharge area couch, realize the partition management in pig house, pig house laterally and longitudinally all there is certain slope, by the fermentation of banking up after separated ight soil solid, as organic fertilizer, the urine of pig and pig house flush water thereof enter septic tank by blow-off line.
(2) septic tank processing: sewage enters the septic tank process precipitation of about 24h hour, deposition suspension wherein, upper strata sewage is tentatively removed organic matter wherein through anaerobic fermentation in septic tank, the suspension precipitating can decomposition and inversion be stable ripe sludge through anaerobic fermentation, regularly by sludge clearing outward transport, as fertilizer.
(3) biochemical treatment, comprise Aerobic Pond biochemical treatment and anoxic pond biochemical treatment: preset roots blower microporous aeration device suspension type 3 D elastic filler is installed in Aerobic Pond, by every 10~20g/t injected volume, microbial bacterial agent is dropped into Aerobic Pond, vexed exposing to the sun 5~7 days, after hanging with the walk of grey black on filler, cesspool sewage is passed into Aerobic Pond aeration in the mode of intaking continuously, then the sewage in Aerobic Pond and suspended sludge particle enter anoxic pond biochemical treatment in overflow mode by pipeline, and anoxic pond is without aeration.
(4) water plant treatment pond processing: cucurbit aborts in water plant pond, anoxic pond sewage is entered in water plant pond and finally discharged by the outer discharge pipe that connects water plant pond delivery port by pipeline in overflow mode, outer discharge pipe installs screen pack additional, prevent that water hyacinth from flowing out, and also installs roots blower microporous aeration device in water plant pond away from delivery port region.
Based on above-mentioned, technology utilization of the present invention physical chemistry technology, biotechnology in conjunction with processing livestock and poultry cultivation industry sewage. Show COD according to water quality monitoring reportCr, ammonia nitrogen, total phosphorus index, drop to respectively 73mg/L, 38mg/L, the 8.09mg/L of water plant treatment pond discharge water from 259mg/L, 110mg/L, the 15.2mg/L of former water, clearance is respectively: 71.81%, 65.45% and 46.77%. The main monitoring index of processing water reaches re-set target and makes effluent quality reach the requirement of " livestock and poultry breeding industry pollution discharge standard " GB18596-2001 of country. (the former water in Surveillance refers to the septic tank effluent that not yet uses the processing of mushroom-water plant cogeneration system)
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature. Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only. Within the scope of the present invention all or all comprised by the present invention in the change being equal in scope of the present invention.

Claims (7)

1. mushroom-water plant cogeneration system is processed an aquaculture wastewater new technology, it is characterized in that, after aquaculture wastewater separating dry space from moist space, sewage enters septic tank by blow-off line; Cesspool sewage is first sent into Aerobic Pond and is carried out aerobic aeration biochemical treatment after precipitation; Then enter anoxic pond biochemical treatment in overflow mode by pipeline; Finally enter water plant pond in overflow mode by pipeline again and process rear outer row.
2. a kind of mushroom-water plant cogeneration system according to claim 1 is processed aquaculture wastewater new technology, it is characterized in that, specifically comprises the steps:
Separating dry space from moist space: be divided into according to a certain percentage feeding area in plant's colony house, district and discharge area couch, realize the partition management in colony house, colony house laterally and longitudinally all there is certain slope, after separated ight soil solid, the urine of livestock and poultry and colony house flush water thereof enter septic tank by blow-off line;
Septic tank processing: sewage enters the septic tank process precipitation of about 24h hour, deposition suspension wherein, upper strata sewage is tentatively removed organic matter wherein through anaerobic fermentation in septic tank;
Biochemical treatment, comprise Aerobic Pond biochemical treatment and anoxic pond biochemical treatment: step (2) gained cesspool sewage is passed into Aerobic Pond aeration in the mode of intaking continuously, and before Aerobic Pond operation, add microbial bacterial agent and carry out biofilm in Aerobic Pond, then the sewage in Aerobic Pond and suspended sludge particle enter anoxic pond biochemical treatment in overflow mode by pipeline;
Water plant treatment pond processing: anoxic pond sewage in step (3) is entered in water plant pond and finally discharged by the outer discharge pipe that connects water plant pond delivery port by pipeline in overflow mode.
3. a kind of mushroom-water plant cogeneration system according to claim 2 is processed aquaculture wastewater new technology, it is characterized in that, ight soil solid collection the fermentation of banking up separated in described step (1) are used as organic fertilizer.
4. a kind of mushroom-water plant cogeneration system according to claim 2 is processed aquaculture wastewater new technology, it is characterized in that, the suspension that described step (2) precipitates can decomposition and inversion be stable ripe sludge through anaerobic fermentation, regularly by sludge clearing outward transport, as fertilizer.
5. a kind of mushroom-water plant cogeneration system according to claim 2 is processed aquaculture wastewater new technology, it is characterized in that, the middle Aerobic Pond colonization method of described step (3) is for preset aerator in Aerobic Pond and suspension type 3 D elastic filler is installed, cesspool sewage is introduced to Aerobic Pond, by every 10~20g/t injected volume, microbial bacterial agent is dropped into Aerobic Pond, vexed exposing to the sun 5~7 days, treats to hang with on filler the walk of grey black.
6. a kind of mushroom-water plant cogeneration system according to claim 5 is processed aquaculture wastewater new technology, it is characterized in that, in described step (3), microbial bacterial agent is the mixed microorganism flora including lactic acid bacteria, bacillus, saccharomycete.
7. a kind of mushroom-water plant cogeneration system according to claim 2 is processed aquaculture wastewater new technology, it is characterized in that, in described step (4), outside water plant pond, discharge pipe adds screen pack, and away from delivery port region, aerator is installed in water plant pond.
CN201510973569.0A 2015-12-23 2015-12-23 Novel technology for treating aquaculture wastewater of fungus-aquatic plant symbiotic system Pending CN105585210A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106348451A (en) * 2016-09-29 2017-01-25 湖南大学 Continuous system for processing high ammonia-nitrogen pig raising biogas slurry by combining microalgae and aquatic plants
CN106430820A (en) * 2016-09-29 2017-02-22 湖南大学 Biological treatment device and process for high ammonia-nitrogen pig-raising biogas slurry
CN108529746A (en) * 2018-03-21 2018-09-14 碧沃丰工程有限公司 A kind of method of ammonia nitrogen and total nitrogen in removal dyeing waste water
CN108975603A (en) * 2018-07-11 2018-12-11 曹美兰 One boar aquaculture wastewater purifying treatment method
CN109121524A (en) * 2018-08-15 2019-01-04 福建省农业科学院农业生态研究所 A kind of salt-soda soil guava Orchard Soil modification method

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Publication number Priority date Publication date Assignee Title
CN106348451A (en) * 2016-09-29 2017-01-25 湖南大学 Continuous system for processing high ammonia-nitrogen pig raising biogas slurry by combining microalgae and aquatic plants
CN106430820A (en) * 2016-09-29 2017-02-22 湖南大学 Biological treatment device and process for high ammonia-nitrogen pig-raising biogas slurry
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CN106348451B (en) * 2016-09-29 2019-09-13 湖南大学 A kind of continuous system using microalgae and the high ammonia nitrogen pig raising biogas slurry of water plant Combined Treatment
CN108529746A (en) * 2018-03-21 2018-09-14 碧沃丰工程有限公司 A kind of method of ammonia nitrogen and total nitrogen in removal dyeing waste water
CN108975603A (en) * 2018-07-11 2018-12-11 曹美兰 One boar aquaculture wastewater purifying treatment method
CN109121524A (en) * 2018-08-15 2019-01-04 福建省农业科学院农业生态研究所 A kind of salt-soda soil guava Orchard Soil modification method

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Application publication date: 20160518