CN102863120A - Purifying method and device of aquaculture water - Google Patents
Purifying method and device of aquaculture water Download PDFInfo
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- CN102863120A CN102863120A CN2012103585380A CN201210358538A CN102863120A CN 102863120 A CN102863120 A CN 102863120A CN 2012103585380 A CN2012103585380 A CN 2012103585380A CN 201210358538 A CN201210358538 A CN 201210358538A CN 102863120 A CN102863120 A CN 102863120A
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Abstract
The invention discloses a purifying method of aquaculture water. The purifying method comprises steps as follows: separating solid and liquid, intercepting and absorbing, fine filtering, membrane filtering, biologically processing and ecologically restoring. The purifying device of the aquaculture water under the purifying method comprises a mud and water separating device, a quartz sand filtering device, a precise filtering device and a biochemistry lab which are sequentially connected through the aquaculture water mass by utilizing pipelines; the biochemistry lab is positioned into the aquaculture water; the biochemistry lab comprises a plurality of moso bamboo barrels which are vertically arranged in parallel and enclosed into a ring, wherein the plurality of moso bamboo barrels are integrally bound through steel wires; aerobic or facultative anaerobe strains are poured into the moso bamboo barrels; and a fishing net is wrapped outside the biochemistry lab. With the adoption of the technical scheme, the purifying method comprises the steps of preprocessing, fine filtering, ultra-filtering and biologically processing, the quality of the outlet water can meet the country-level draining standard and the water requirement in fishery industry; and the zero release and the recycle circulation of the aquaculture wastewater can be achieved.
Description
Technical field
The present invention relates to field of waste water treatment, relate in particular to a kind of aquaculture water purification method and device thereof.
Background technology
Over nearly 20 years, the intensive aquaculture industry at home and abroad develops rapidly.World Water output reached 1.2 hundred million tons in 1996, and wherein 25% for propagating artificially.With this understanding, contained nitrogen, the phosphorus of the feed of throwing in the breeding process approximately only has 9.1% and 17.4% to be assimilated by fish, the pollutent that its remaining feed and fish movement form causes severe contamination to water body, settling etc., causes the degeneration of shallow lake, causes local marine site that red tide occurs; All kinds of pharmaceutical chemicalss and the antibiotic residue that use in the aquaculture have also polluted water environment, and some biological habitats are destroyed, and have disturbed procreation and the existence of wild stocks, and species diversity is reduced; The development of the finiteness restriction aquaculture of simultaneously water pollution and water resources, therefore, processing and the recycle of aquiculture waste water receive publicity gradually, and purifying treatment and the recycle of research aquaculture water are the gordian techniquies of inland fishery sustainable development.
Process at present breeding wastewater and mainly comprise physical chemistry treatment technology and biologic treating technique, the typical method flow process has: the fishpond draining → pond → oxidation pond that catchments → settling tank → heat oxygenation pond → fishpond reuse; Fishpond draining → flow lifting type rubble filter tank → fall streaming rubble filter tank → heat pond → reuse, etc.Above method all adopts the fishpond draining, discharge back again the method in fishpond after the purification, this just need to set up the biological filter of certain area, will certainly increase cost of investment, and floor space is large, such as Chinese invention patent number: 201120221800, patent name is: breeding waste water purifying device, adopt too breeding wastewater is introduced in the refining plant, drain in the fish pond again after the processing.
Summary of the invention
Technical problem to be solved by this invention provides a kind of aquaculture water purification method and device thereof, by in conjunction with pre-treatment, smart filter, ultrafiltration and biological treatment, make effluent quality satisfy national grade one discharge standard and fishery water requirement, realized zero release and the cyclically utilizing of breeding wastewater.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the aquaculture water purification method comprises the steps:
Step 1: solid-liquid separation, aquaculture water is delivered to separator for mud and water carry out solid-liquid separation;
Step 2: hold back absorption, separator for mud and water produces water through quartz filter, trickle suspended substance in the trap water;
Step 3: smart filter, the quartz filter water outlet is further filtered through accurate filter again;
Step 4: membrane filtration, the water after the smart filter is delivered to membrane filtration and is carried out membrane filtration;
Step 5: biological treatment, film filtration effluent is carried out a biological disposal upon through biochemical chamber, removes organism and ammonia nitrogen in the water;
Step 6: restoration of the ecosystem, above biochemical chamber, lay floating plant, further promote organic decomposition.
Adopt the aquaculture water purifying means of above-mentioned purifying method, comprise the separator for mud and water, quartz filter, accurate filter, film filter and the biochemical chamber that are connected successively by pipeline by aquaculture water, described biochemical chamber places aquaculture water, described biochemical chamber comprises the some Mao bamboo tubes that vertically form a circle side by side, some Mao bamboo tubes are integrated by steel wire bundle, throwing in the described Mao bamboo tube has aerobic or double oxygen biological inoculum, and the outside of described biochemical chamber is coated with fishing net.
As preferably, described accurate filter is high-flow filter, in establish large flux filter core.
As preferably, the membrane element of described film filter is the hollow fiber ultrafiltration film.
As preferably, the pipeline that connects described aquaculture water and described separator for mud and water is provided with submersible pump, and described submersible pump and biochemical chamber all are positioned at the lower floor of aquaculture water, and the both sides that are listed in aquaculture water are divided in described submersible pump and biochemical chamber.
As preferably, be provided with in the described aquaculture water and make the stream device, making flow path direction is described submersible pump one side flow of described biochemical chamber one side direction.
As preferably, be provided with aerating apparatus around the described biochemical chamber.
As preferably, be equipped with floating plant above the described biochemical chamber.
The present invention by in conjunction with pre-treatment, smart filter, ultrafiltration and biological treatment, makes effluent quality satisfy national grade one discharge standard and fishery water requirement owing to adopted technique scheme, has realized zero release and the cyclically utilizing of breeding wastewater.
Description of drawings
Fig. 1 is the structural representation of aquaculture water purifying means
Embodiment
The aquaculture water purification method comprises the steps:
Step 1: solid-liquid separation, aquaculture water is delivered to separator for mud and water by submersible pump, be used for filtering separation and remove the solid matters such as the oarse-grained silt of water body, residual bait, Humus;
Step 2: hold back absorption, separator for mud and water produces water through quartz filter, and trickle suspended substance in the trap water is such as colloid floss, algae, bacterium etc.;
Step 3: smart filter, the quartz filter water outlet is filtered through accurate filter again, accurate filter is high-flow filter, in establish large flux filter core;
Step 4: membrane filtration, the water after the smart filter is delivered to film filter, removes colloid, bacterium, microorganism and partial organic substances molecule, and the membrane element of film filter is the hollow fiber ultrafiltration film;
Step 5: biological treatment, film filtration effluent is carried out a biological disposal upon through biochemical chamber, removes organism and ammonia nitrogen in the water, and biochemical chamber directly places aquaculture water.Biochemical chamber interior filling mao bamboon filler, joint is got through in the mao bamboon peeling, vertically side by side discharging, mao bamboon is twined by Stainless Steel Wire, and the bottom is fixed in the aquaculture water, and biochemical outdoor also is provided with fishing net and twines, and the bottom is provided with aerating apparatus.A plurality of biochemical chambers are evenly distributed in the aquaculture water of a side.
Step 6: restoration of the ecosystem, above biochemical chamber, lay floating plant, further promote organic decomposition, remove the nutritive substances such as nitrogen, phosphorus in the water, the objectionable impuritiess such as Absorption of Heavy Metal material, thus reach the purpose that purifies water, and floating plant is the plants such as Herba Eichhorniae or Herba Pistiae.Floating plant forms a circle by fishing net or mao bamboon bar, makes on the water surface that is fixed on top, biochemical chamber.
As shown in Figure 1, the aquaculture water purifying means comprises the submersible pump 2, separator for mud and water 3, quartz filter 4, accurate filter 5, film filter 6 and the biochemical chamber 7 that connect successively by pipeline.Accurate filter 6 is high-flow filter, in establish large flux filter core, the membrane element in the film filter 6 is the hollow fiber ultrafiltration film; Biochemical chamber 7 directly places aquaculture water 1, described biochemical chamber 7 comprises the some Mao bamboo tubes that vertically form a circle side by side, some Mao bamboo tubes are integrated by steel wire bundle, throw in the described Mao bamboo tube aerobic or double oxygen biological inoculum is arranged, joint is got through in the mao bamboon peeling, vertically side by side discharging, and the bottom inserts in the aquaculture water 1,7 outsides, biochemical chamber also are coated with fishing net, also are provided with aerating apparatus 9 around the biochemical chamber 7; Floating plant 8 is laid in 7 tops, biochemical chamber, and floating plant 8 is the plants such as Herba Eichhorniae or Herba Pistiae, and floating plant 8 forms a circle by fishing net or mao bamboon bar, makes on the water surface that is fixed on 7 tops, biochemical chamber.Biochemical chamber 7 is provided with 5, be evenly distributed in the aquaculture water 1 of a side, between the outlet pipeline of film filter 6 and 7 bottoms, a plurality of biochemical chamber for being connected in parallel; Aerating apparatus 9 is the integral type device with making the stream device.
Aquaculture water is sent into separator for mud and water 3 through submersible pump 2, the solid matters such as oarse-grained silt, residual bait, Humus produce water to filter through quartz filter 4 in the interception water body, further remove the suspended contamination in the water, such as colloid floss, algae, bacterium etc., reduce turbidity; Produce water and filter through accurate filter 5, accurate filter 5 water fluxes of large flux are large, and precision is high, and it is effective to remove suspended substance, and the water after the smart filter is removed colloid, bacterium, microorganism and partial organic substances molecule through film filter 6 advanced treatment; The membrane filtration water outlet is sent into 7 bottoms, biochemical chamber through outlet conduit, biochemical chamber 7 is by aerating apparatus 9 aeration aeratings on every side, throw in simultaneously aerobic or double oxygen biological inoculum, indigenous microorganism in the aquaculture water and the microorganic adhesion of input are on Mao bamboo tube group carrier, form microbial film, double oxygen on the microbial film and the reaction of aerobic biological bacteria generation aerobe, the difficult decomposing organic matter of thorough degraded, except ammonia nitrogen and nitrite material, aquaculture water passes through the floating plant 8 of 7 tops, biochemical chamber again, such as Herba Eichhorniae or Herba Pistiae etc., can absorb objectionable impurities in the water body (such as heavy metal substance) and residue nutritive substance, the denitrogenation dephosphorization effect is good, realizes the thorough purification of sewage.
Submersible pump 2 and biochemical chamber 7 all are positioned at the lower floor of aquaculture water 1, and submersible pump 2 and biochemical chamber were listed in the both sides of aquaculture water 1 in 7 minutes.Aerating apparatus 9 plays simultaneously makes the stream effect, and making flow path direction is current direction submersible pump 2 one sides of biochemical chamber 7 one sides, makes the self-purification capacity that stream can be strengthened again water body, makes purification more efficient.
The present invention has following beneficial effect:
1, biochemical chamber directly is arranged in the aquaculture water, and whole water body as natural treatment chamber, is not needed to set up large-area biochemistry pool, makes cost of investment low, and floor space is little, moves simple and convenient.
2, satisfy national grade one discharge standard through the water quality after the method processing, satisfy again the fishery water requirement simultaneously, realized zero release, waste water has obtained abundant recycling, has both protected environment, has saved again water resources.
3, adopting the mao bamboon filler in the biochemical chamber, is good biological bacteria room, and biofilm is firm, and microbial film is not easy to come off, and running cost is low, good stability.
4, the aerating apparatus of each bottom, biochemical chamber not only provides aerobic reaction required oxygen, can form in water body again and make stream, makes stagnant water become running water, to strengthen the self-purification of water body, purifies more thorough, more efficient.
5, floating plant can absorb objectionable impurities in the sewage (such as heavy metal substance) and residue nutritive substance, and the denitrogenation dephosphorization effect is good, and the effect that well purifies water is arranged, and is again the bait of some fish simultaneously, has really realized the purpose of restoration of the ecosystem.
Claims (8)
1. the aquaculture water purification method is characterized in that: comprise the steps:
Step 1: solid-liquid separation, aquaculture water is delivered to separator for mud and water carry out solid-liquid separation;
Step 2: hold back absorption, separator for mud and water produces water through quartz filter, trickle suspended substance in the trap water;
Step 3: smart filter, the quartz filter water outlet is further filtered through accurate filter again;
Step 4: membrane filtration, the water after the smart filter is delivered to membrane filtration and is carried out membrane filtration;
Step 5: biological treatment, film filtration effluent is carried out a biological disposal upon through biochemical chamber, removes organism and ammonia nitrogen in the water;
Step 6: restoration of the ecosystem, above biochemical chamber, lay floating plant, further promote organic decomposition.
2. adopt the aquaculture water purifying means of the described purifying method of claim 1, it is characterized in that: comprise the separator for mud and water, quartz filter, accurate filter, film filter and the biochemical chamber that are connected successively by pipeline by aquaculture water, described biochemical chamber places aquaculture water, described biochemical chamber comprises the some Mao bamboo tubes that vertically form a circle side by side, some Mao bamboo tubes are integrated by steel wire bundle, throwing in the described Mao bamboo tube has aerobic or double oxygen biological inoculum, and the outside of described biochemical chamber is coated with fishing net.
3. described aquaculture water purifying means according to claim 2, it is characterized in that: described accurate filter is high-flow filter, in establish large flux filter core.
4. described aquaculture water purifying means according to claim 2, it is characterized in that: the membrane element of described film filter is the hollow fiber ultrafiltration film.
5. described aquaculture water purifying means according to claim 2, it is characterized in that: the pipeline that connects described aquaculture water and described separator for mud and water is provided with submersible pump, described submersible pump and biochemical chamber all are positioned at the lower floor of aquaculture water, and the both sides that are listed in aquaculture water are divided in described submersible pump and biochemical chamber.
6. described aquaculture water purifying means according to claim 5, it is characterized in that: be provided with in the described aquaculture water and make the stream device, making flow path direction is described submersible pump one side flow of described biochemical chamber one side direction.
7. described aquaculture water purifying means according to claim 2 is characterized in that: be provided with aerating apparatus around the described biochemical chamber.
8. described aquaculture water purifying means according to claim 2, it is characterized in that: top, described biochemical chamber is equipped with floating plant.
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| CN201210358538.0A CN102863120B (en) | 2012-09-24 | 2012-09-24 | Purifying method and device of aquaculture water |
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| CN201210358538.0A CN102863120B (en) | 2012-09-24 | 2012-09-24 | Purifying method and device of aquaculture water |
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Cited By (2)
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| CN105060498A (en) * | 2015-07-20 | 2015-11-18 | 成都市昊麟科技发展有限责任公司 | Biological strain embedding device for pre-processing biological reaction tank and processing technology |
| CN111573907A (en) * | 2020-06-04 | 2020-08-25 | 浙江省海洋水产养殖研究所 | Water for shrimp cultivation and preparation method thereof |
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| CN105060498A (en) * | 2015-07-20 | 2015-11-18 | 成都市昊麟科技发展有限责任公司 | Biological strain embedding device for pre-processing biological reaction tank and processing technology |
| CN111573907A (en) * | 2020-06-04 | 2020-08-25 | 浙江省海洋水产养殖研究所 | Water for shrimp cultivation and preparation method thereof |
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| CN102863120B (en) | 2014-06-11 |
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Address after: The South Gate of Wuxing District of Zhejiang city in Huzhou province and 313022 State Road 104 west of Zhejiang shijiaqiao crystal water treatment equipment Co. Ltd. Applicant after: Zhejiang Jingquan Water Treatment Equipment Co., Ltd. Address before: 313022 Zhejiang province Huzhou city outside the South Gate of shijiaqiao State Road 104 west Applicant before: Zhejiang Jingquan Water Treatment Equipment Co., Ltd. |
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