CN104445834A - Water treatment method for cyclic purification of shrimp breeding wastewater - Google Patents
Water treatment method for cyclic purification of shrimp breeding wastewater Download PDFInfo
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- CN104445834A CN104445834A CN201410813693.6A CN201410813693A CN104445834A CN 104445834 A CN104445834 A CN 104445834A CN 201410813693 A CN201410813693 A CN 201410813693A CN 104445834 A CN104445834 A CN 104445834A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 241000238557 Decapoda Species 0.000 title claims abstract description 29
- 239000002351 wastewater Substances 0.000 title claims abstract description 20
- 238000000746 purification Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title abstract description 16
- 238000009395 breeding Methods 0.000 title abstract description 4
- 230000001488 breeding effect Effects 0.000 title abstract description 4
- 125000004122 cyclic group Chemical group 0.000 title abstract 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 14
- 244000005700 microbiome Species 0.000 claims abstract description 13
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 11
- 230000001954 sterilising effect Effects 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000012258 culturing Methods 0.000 claims description 36
- 241000894006 Bacteria Species 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 238000009360 aquaculture Methods 0.000 claims description 20
- 244000144974 aquaculture Species 0.000 claims description 20
- 241000196324 Embryophyta Species 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 19
- 239000004576 sand Substances 0.000 claims description 12
- 241000251468 Actinopterygii Species 0.000 claims description 10
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 9
- 235000014676 Phragmites communis Nutrition 0.000 claims description 9
- 238000003672 processing method Methods 0.000 claims description 9
- 239000008213 purified water Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 241000195493 Cryptophyta Species 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 7
- 241000684239 Canna x generalis Species 0.000 claims description 6
- 102000004190 Enzymes Human genes 0.000 claims description 6
- 108090000790 Enzymes Proteins 0.000 claims description 6
- 241000108664 Nitrobacteria Species 0.000 claims description 6
- 241000237502 Ostreidae Species 0.000 claims description 6
- 241001509286 Thiobacillus denitrificans Species 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 235000020636 oyster Nutrition 0.000 claims description 6
- 230000000243 photosynthetic effect Effects 0.000 claims description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 241000269814 Acanthopagrus latus Species 0.000 claims description 3
- 241000553739 Aconitum carmichaelii var. truppelianum Species 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 244000132059 Carica parviflora Species 0.000 claims description 3
- 235000014653 Carica parviflora Nutrition 0.000 claims description 3
- 241000238586 Cirripedia Species 0.000 claims description 3
- 102000002322 Egg Proteins Human genes 0.000 claims description 3
- 108010000912 Egg Proteins Proteins 0.000 claims description 3
- 241001072983 Mentha Species 0.000 claims description 3
- 244000246386 Mentha pulegium Species 0.000 claims description 3
- 235000016257 Mentha pulegium Nutrition 0.000 claims description 3
- 235000004357 Mentha x piperita Nutrition 0.000 claims description 3
- 241000237536 Mytilus edulis Species 0.000 claims description 3
- 244000273256 Phragmites communis Species 0.000 claims description 3
- 241000209504 Poaceae Species 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 3
- 241000276707 Tilapia Species 0.000 claims description 3
- 241000700605 Viruses Species 0.000 claims description 3
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 235000001050 hortel pimenta Nutrition 0.000 claims description 3
- 235000020638 mussel Nutrition 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 210000004681 ovum Anatomy 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 230000003071 parasitic effect Effects 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 150000003464 sulfur compounds Chemical class 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 abstract 4
- 238000005457 optimization Methods 0.000 abstract 2
- 239000012536 storage buffer Substances 0.000 abstract 2
- 230000028016 temperature homeostasis Effects 0.000 abstract 2
- 239000000126 substance Substances 0.000 description 6
- 230000001627 detrimental effect Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 235000015170 shellfish Nutrition 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000002503 metabolic effect Effects 0.000 description 2
- 239000006041 probiotic Substances 0.000 description 2
- 235000018291 probiotics Nutrition 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
-
- 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
Abstract
The invention discloses a water treatment method for cyclic purification of shrimp breeding wastewater. The water treatment method adopts a purification system which is used for pre-purifying microorganisms of a shrimp culture pond and is sequentially connected with the shrimp culture pond through a water pipe; the purification system comprises a back-flushing physical filter tank, a settling pond, a plant filter chamber, a biological purification pool, a water pump, a water storage buffer pool and a water optimization pool for ozone/ultraviolet sterilization, oxygenation and thermoregulation; and an outfall of the culture pond is sequentially communicated with the back-flushing physical filter tank, the settling pond, a back-flushing activated carbon filter tank, the plant filter chamber, a back-flushing biological purification pool, the water storage buffer pool and the water optimization pool for ozone/ultraviolet sterilization, oxygenation and thermoregulation through a runner.
Description
Technical field
The present invention relates to a kind of efficient circulation cultivating system, belong to cultural technique field.
Background technology
The water pollution that hydrocoles cultivates is a day by day serious problem, particularly to shrimp culture, due to large to cultivation density in shrimp culture's process, daily ration, feeding quantity is many, metabolic waste is many, aquaculture water eutrophication is day by day serious, and most prawn culturing field (comprise soil pool cultivated and high-elevation breeding pond) all breeding process and cultivation are terminated after waste water, refuse just directly discharges without any process, certain pollution is caused to plant and surrounding enviroment and even overall situation, so ecotope is destroyed, two possibilities adding shrimp disease outbreak of epidemic.
At present, the process for prawn culturing water generally has several method below: 1) throw in beneficial organism.Such as in shrimp culture pond, throw in probiotics, algae and plankton etc.2) and fish, shellfish etc. are raised together with.3) sand filtration well filters.4) discharge after settling tank precipitation.These methods play a role to the discharge reducing aquaculture wastewater.But they are all Shortcomings parts separately.The soluble detrimental composition (ammonia nitrogen, nitroso-group salt etc.) in aquaculture water such as: method 1) can be reduced, but then helpless for macrobead suspended substance; Method 2) part macrobead suspended substance can be removed, but the soluble detrimental material in aquaculture water cannot be removed, meanwhile, fish, shellfish itself also will discharge certain metabolic waste; Method 3) and method 4) can most suspended substances be removed, but the solubility that can not reduce in aquaculture water is at evil composition.
The situation of the objectionable impurities that can consider aquaculture wastewater is not still had, the purifying method of the pollutents such as the suspended substance in comprehensive decontamination sewage, soluble detrimental composition in the purifying method of the aquaculture wastewater of current use.
Summary of the invention
For the shortcoming of above-mentioned prior art, the object of this invention is to provide a kind of prawn culturing waste water circulation purified water processing method.
To achieve these goals, the present invention includes following technical characteristic: a kind of prawn culturing waste water circulation purified water processing method, the microorganism preliminary cleaning comprising prawn culturing pond and the purification system be connected successively with prawn culturing pond by water pipe, described purification system comprises backpulsing physical filtering pond, settling tank, plant filter tank, biological purifying tank, water pump, retaining Buffer Pool, ozone/ultra-violet sterilization, oxygenation, the water quality optimizing pond of temperature adjustment, the water port of culturing pool is communicated with backpulsing physical filtering pond successively through runner, settling tank, backpulsing active carbon filtration pond, plant filter tank, backpulsing biological purifying tank, retaining Buffer Pool, ozone/ultra-violet sterilization, oxygenation, the water quality optimizing pond of temperature adjustment, the water inlet of relief outlet through flow passage prawn culturing pond in water quality optimizing pond, described culturing pool center upright is provided with can the water shoot of stratified pumping, central authorities at the bottom of the pond of described culturing pool are provided with pipeline and particulate matter and collect and get rid of pond and be connected, the water of culturing pool is aggregated into a runner through water port and enters into backpulsing physical filtering pond, the visible macrobeads of naked eyes such as residual bait ight soil are removed through backpulsing physical filtering pond, then through plant filter tank after settling tank is clarified further, biological purifying tank, flows through ozone/apparatus for ultraviolet disinfection and kills bacterium in water body, virus, the harmful organisms such as parasitic ovum, the water after sterilization is through oxygenation, residue ozone is removed in the water quality optimizing pond of temperature adjustment, increase water body dissolved oxygen and flow back to culturing pool after oxidized portion organic matter and recycle.
Described microorganism preliminary cleaning is by nitrite bacteria and nitrobacteria, thiobacillus denitrificans in denitrifying bacterium, sulfide-oxidizing enzyme, render to residual bait with this four quasi-microorganisms function yeast of photosynthetic bacterium and produce different pollutents after different microorganisms decomposed---ammonia is or/and ammonium, in the aquaculture water of reduced sulfur compound and small organic molecule, total injected volume is 0.05 ~ 0.20% of aquaculture water volume, the volume ratio that all kinds of flora drops into is, nitrite bacteria and nitrobacteria: the thiobacillus denitrificans in denitrifying bacterium: sulfide-oxidizing enzyme: photosynthetic bacterium=(1 ~ 4): (1.6 ~ 3): (2 ~ 3.6): (1 ~ 4).
Described plant filter tank is by thick slag, Wingdale, rubble, coarse sand forms, lay from bottom to top according to size, water inlet adopts self-made punching pvc pipe water distribution, water outlet is positioned at the bottom in pond, connect PVC rising pipe, the reed (Phragmites australis) that Gramineae reed belongs to is provided with in plant filter tank, the Canna generalis Bailey that Cannaceae Canna generalis Bailey belongs to, the peppermint of Labiatae Mentha, biological purifying tank is rectangle or circle, brick, barnacle, internal layer should smear five layers of waterproof layer, for reaching dark precipitation, Chi Ding adds a cover, the gradient of 1 ~ 3% should be had at the bottom of pond, be convenient to clean blowdown with water, sewage draining exit and feed water inlet are established in bottom, pond, top should be provided with spillway, settling tank generally can be divided into 2 to several lattice, Filter feeding bivalves is put in a suitable place to breed: oyster in biological purifying tank, clam is young, to hang razor clam, mussel, and filter-feeding fish: tilapia, rhizome of Chinese monkshood fish, Sparus Latus, these bioenergys are ingested the organic granular in aquaculture wastewater, also plant in biopurification ditch 13 and have algae.
Described settling tank is sand filter, and conventional filtrate is sand, gravel, oyster shells, quartz sand, medical stone, micropore ceramics, coral sand, diatomite; The thinnest one deck sand material diameter is 0.15 ~ 0.20mm, and significant depth reaches 1m, and between the filtrate having hole, protozoon and bacterium self-assembling formation biofilm, by means of the effect of microorganism, to reduce the content of ammonia nitrogen in water, nitrite, nitrate nitrogen.
Compared with prior art, the present invention has following beneficial effect: the present invention carries out biopurification, filtration, purification and adsorption cleaning three grades purification successively to aquaculture wastewater, effectively can filter the objectionable impurities such as soluble detrimental composition and suspended substance in aquaculture water.Wherein biopurification absorbs soluble detrimental composition in the sewage that emits of culturing pool as ammonium salt by algae, nitrate etc., and can use it for anything else after algae (as river hedge) results (as being used as abalone bait), biopurification is also by the organic granular in Filter feeding bivalves and filter-feeding fish filter food sewage, when aquaculture wastewater flows through organic evolution, partial suspended thing and part objectionable impurities soluble in water are eliminated, and complete single filter; During filtration, purification, water body flows through sand filtration field, and the suspended particle in water and planktonic organism are filtered, and water quality is further improved, and this is for filtering the second stage; During adsorption cleaning, soluble substance in water a part of by corallite and activated carbon surface adsorb, a part is grown in the probiotics institute sorption enhanced of corallite and activated carbon surface, and water quality is purified further, and this is third stage filtration.One aspect of the present invention reusable edible aquaculture water, reduces the discharge of sewage, alleviates the pressure of ecotope, reduce hydrobiont, as the possibility of the Disease code of prawn, on the one hand owing to having thrown in algae, shellfish and filter-feeding fish, add income, improve fanning economics.
Accompanying drawing explanation
Fig. 1 is prawn culturing waste water circulation purified water processing method system structural representation.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
With reference to figure 1, a kind of prawn culturing waste water circulation purified water processing method, the microorganism preliminary cleaning comprising prawn culturing pond and the purification system be connected successively with prawn culturing pond by water pipe, described purification system comprises backpulsing physical filtering pond, settling tank, plant filter tank, biological purifying tank, water pump, retaining Buffer Pool, ozone/ultra-violet sterilization, oxygenation, the water quality optimizing pond of temperature adjustment, the water port of culturing pool is communicated with backpulsing physical filtering pond successively through runner, settling tank, backpulsing active carbon filtration pond, plant filter tank, backpulsing biological purifying tank, retaining Buffer Pool, ozone/ultra-violet sterilization, oxygenation, the water quality optimizing pond of temperature adjustment, the water inlet of relief outlet through flow passage prawn culturing pond in water quality optimizing pond, described culturing pool center upright is provided with can the water shoot of stratified pumping, central authorities at the bottom of the pond of described culturing pool are provided with pipeline and particulate matter and collect and get rid of pond and be connected, the water of culturing pool is aggregated into a runner through water port and enters into backpulsing physical filtering pond, the visible macrobeads of naked eyes such as residual bait ight soil are removed through backpulsing physical filtering pond, then through plant filter tank after settling tank is clarified further, biological purifying tank, flows through ozone/apparatus for ultraviolet disinfection and kills bacterium in water body, virus, the harmful organisms such as parasitic ovum, the water after sterilization is through oxygenation, residue ozone is removed in the water quality optimizing pond of temperature adjustment, increase water body dissolved oxygen and flow back to culturing pool after oxidized portion organic matter and recycle.
Described microorganism preliminary cleaning is by nitrite bacteria and nitrobacteria, thiobacillus denitrificans in denitrifying bacterium, sulfide-oxidizing enzyme, render to residual bait with this four quasi-microorganisms function yeast of photosynthetic bacterium and produce different pollutents after different microorganisms decomposed---ammonia is or/and ammonium, in the aquaculture water of reduced sulfur compound and small organic molecule, total injected volume is 0.05 ~ 0.20% of aquaculture water volume, the volume ratio that all kinds of flora drops into is, nitrite bacteria and nitrobacteria: the thiobacillus denitrificans in denitrifying bacterium: sulfide-oxidizing enzyme: photosynthetic bacterium=(1 ~ 4): (1.6 ~ 3): (2 ~ 3.6): (1 ~ 4).
Described plant filter tank is by thick slag, Wingdale, rubble, coarse sand forms, lay from bottom to top according to size, water inlet adopts self-made punching pvc pipe water distribution, water outlet is positioned at the bottom in pond, connect PVC rising pipe, the reed (Phragmites australis) that Gramineae reed belongs to is provided with in plant filter tank, the Canna generalis Bailey that Cannaceae Canna generalis Bailey belongs to, the peppermint of Labiatae Mentha, biological purifying tank is rectangle or circle, brick, barnacle, internal layer should smear five layers of waterproof layer, for reaching dark precipitation, Chi Ding adds a cover, the gradient of 1 ~ 3% should be had at the bottom of pond, be convenient to clean blowdown with water, sewage draining exit and feed water inlet are established in bottom, pond, top should be provided with spillway, settling tank generally can be divided into 2 to several lattice, Filter feeding bivalves is put in a suitable place to breed: oyster in biological purifying tank, clam is young, to hang razor clam, mussel, and filter-feeding fish: tilapia, rhizome of Chinese monkshood fish, Sparus Latus, these bioenergys are ingested the organic granular in aquaculture wastewater, also plant in biopurification ditch 13 and have algae.
Settling tank is sand filter, and conventional filtrate is sand, gravel, oyster shells, quartz sand, medical stone, micropore ceramics, coral sand, diatomite; The thinnest one deck sand material diameter is 0.15 ~ 0.20mm, and significant depth reaches 1m, and between the filtrate having hole, protozoon and bacterium self-assembling formation biofilm, by means of the effect of microorganism, to reduce the content of ammonia nitrogen in water, nitrite, nitrate nitrogen.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to spirit of the present invention change or modify; effect is similar, all should be encompassed in protection scope of the present invention.
Claims (4)
1. a prawn culturing waste water circulation purified water processing method, the microorganism preliminary cleaning comprising prawn culturing pond and the purification system be connected successively with prawn culturing pond by water pipe, described purification system comprises backpulsing physical filtering pond, settling tank, plant filter tank, biological purifying tank, water pump, retaining Buffer Pool, ozone/ultra-violet sterilization, oxygenation, the water quality optimizing pond of temperature adjustment, the water port of culturing pool is communicated with backpulsing physical filtering pond successively through runner, settling tank, backpulsing active carbon filtration pond, plant filter tank, backpulsing biological purifying tank, retaining Buffer Pool, ozone/ultra-violet sterilization, oxygenation, the water quality optimizing pond of temperature adjustment, the water inlet of relief outlet through flow passage prawn culturing pond in water quality optimizing pond, described culturing pool center upright is provided with can the water shoot of stratified pumping, central authorities at the bottom of the pond of described culturing pool are provided with pipeline and particulate matter and collect and get rid of pond and be connected, the water of culturing pool is aggregated into a runner through water port and enters into backpulsing physical filtering pond, the visible macrobeads of naked eyes such as residual bait ight soil are removed through backpulsing physical filtering pond, then through plant filter tank after settling tank is clarified further, biological purifying tank, flows through ozone/apparatus for ultraviolet disinfection and kills bacterium in water body, virus, the harmful organisms such as parasitic ovum, the water after sterilization is through oxygenation, residue ozone is removed in the water quality optimizing pond of temperature adjustment, increase water body dissolved oxygen and flow back to culturing pool after oxidized portion organic matter and recycle.
2. prawn culturing waste water circulation purified water processing method according to claim 1, it is characterized in that, described microorganism preliminary cleaning is by nitrite bacteria and nitrobacteria, thiobacillus denitrificans in denitrifying bacterium, sulfide-oxidizing enzyme, render to residual bait with this four quasi-microorganisms function yeast of photosynthetic bacterium and produce different pollutents after different microorganisms decomposed---ammonia is or/and ammonium, in the aquaculture water of reduced sulfur compound and small organic molecule, total injected volume is 0.05 ~ 0.20% of aquaculture water volume, the volume ratio that all kinds of flora drops into is, nitrite bacteria and nitrobacteria: the thiobacillus denitrificans in denitrifying bacterium: sulfide-oxidizing enzyme: photosynthetic bacterium=(1 ~ 4): (1.6 ~ 3): (2 ~ 3.6): (1 ~ 4).
3. prawn culturing waste water circulation purified water processing method according to claim 1 and 2, it is characterized in that, described plant filter tank is by thick slag, Wingdale, rubble, coarse sand forms, lay from bottom to top according to size, water inlet adopts self-made punching pvc pipe water distribution, water outlet is positioned at the bottom in pond, connect PVC rising pipe, the reed (Phragmites australis) that Gramineae reed belongs to is provided with in plant filter tank, the Canna generalis Bailey that Cannaceae Canna generalis Bailey belongs to, the peppermint of Labiatae Mentha, biological purifying tank is rectangle or circle, brick, barnacle, internal layer should smear five layers of waterproof layer, for reaching dark precipitation, Chi Ding adds a cover, the gradient of 1 ~ 3% should be had at the bottom of pond, be convenient to clean blowdown with water, sewage draining exit and feed water inlet are established in bottom, pond, top should be provided with spillway, settling tank generally can be divided into 2 to several lattice, Filter feeding bivalves is put in a suitable place to breed: oyster in biological purifying tank, clam is young, to hang razor clam, mussel, and filter-feeding fish: tilapia, rhizome of Chinese monkshood fish, Sparus Latus, these bioenergys are ingested the organic granular in aquaculture wastewater, also plant in biopurification ditch 13 and have algae.
4. prawn culturing waste water circulation purified water processing method according to claim 1 and 2, is characterized in that, settling tank is sand filter, and conventional filtrate is sand, gravel, oyster shells, quartz sand, medical stone, micropore ceramics, coral sand, diatomite; The thinnest one deck sand material diameter is 0.15 ~ 0.20mm, and significant depth reaches 1m, and between the filtrate having hole, protozoon and bacterium self-assembling formation biofilm, by means of the effect of microorganism, to reduce the content of ammonia nitrogen in water, nitrite, nitrate nitrogen.
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