CN110002665A - A kind of purifying treatment method of sea-farming Tail water reuse - Google Patents
A kind of purifying treatment method of sea-farming Tail water reuse Download PDFInfo
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- CN110002665A CN110002665A CN201910186985.4A CN201910186985A CN110002665A CN 110002665 A CN110002665 A CN 110002665A CN 201910186985 A CN201910186985 A CN 201910186985A CN 110002665 A CN110002665 A CN 110002665A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 206
- 238000009313 farming Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000010802 sludge Substances 0.000 claims abstract description 53
- 238000005273 aeration Methods 0.000 claims abstract description 50
- 241000195493 Cryptophyta Species 0.000 claims abstract description 37
- 238000001556 precipitation Methods 0.000 claims abstract description 28
- 238000000746 purification Methods 0.000 claims abstract description 26
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 20
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- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 11
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- 239000010452 phosphate Substances 0.000 claims abstract description 11
- 239000013535 sea water Substances 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 8
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- 241000196324 Embryophyta Species 0.000 claims description 16
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- 230000000694 effects Effects 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 12
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 11
- 230000001376 precipitating effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 8
- 238000009360 aquaculture Methods 0.000 claims description 7
- 244000144974 aquaculture Species 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
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- 231100000719 pollutant Toxicity 0.000 claims description 3
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- 150000003839 salts Chemical class 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 241000542901 Ruppiaceae Species 0.000 claims description 2
- 239000008213 purified water Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 238000012549 training Methods 0.000 claims 1
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- 241000238557 Decapoda Species 0.000 abstract description 3
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- 229910052698 phosphorus Inorganic materials 0.000 abstract description 2
- 239000011574 phosphorus Substances 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
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- 235000007164 Oryza sativa Nutrition 0.000 description 2
- IPQVRLSXWJPESU-UHFFFAOYSA-N [N].ON=O Chemical compound [N].ON=O IPQVRLSXWJPESU-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
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- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
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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
- C02F2001/007—Processes including a sedimentation step
-
- 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
-
- 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
-
- 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
- C02F3/12—Activated sludge processes
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of purifying treatment methods of sea-farming Tail water reuse, it is by the unified collection of various sea-farming tail water, it is handled by activated sludge aeration, subtract mud purification using secondary precipitation, further across level-one biological cleaning, pass through active biological film degradation of ammonia nitrogen and cultured water, combined processing further through two stage biological purification and three-level biological cleaning based on the climing algae in river, it fully absorbs and utilizes ammonia nitrogen and reactive phosphate, efficiently go to denitrogenate, the eutrophic pollutions object such as phosphorus, the cultivation tail water discharged after systemic purified treatment is better than national two class sea water quality standards.The present invention is suitable for the purified treatment of the fish shrimp culture of various modes.
Description
Technical field
The invention belongs to agricultural environmental protection sea-farming Tail water reuse purified treatment field, specifically a kind of sea-farming tails
Water discharges purifying treatment method, and sea-farming tail water refers to waste water caused by culturing fish and shrimp class, cultivates tail water for many years
Direct emission impacts marine environmental pollution, and direct emission sea-farming tail water must not prohibite in current country,
Sea-farming has to comply with the developing direction of National agricultural industry environmental protection, green, health and environmental-friendly, especially sea-farming
The purifying treatment method of Tail water reuse solves the problems, such as current cultivation tail water direct emission.
Background technique
Currently, the land pond in China or the tail water of marine culture mode is based on direct emission, to ocean
Environment has an adverse effect, and be easy to cause coastal waters eutrophication pollution, even results in red tide, the cultivation of this direct emission
Method has been subjected to sternly forbidding for law enforcement for environmental protection department, government.Therefore, it is badly in need of designing what a kind of pair of marine environment did not pollute
The purifying treatment method of sea-farming Tail water reuse.
In disclosed technology, the patent of invention about sea-farming Tail water reuse purified treatment is not yet found.About
In open source literature in terms of Fish-water Fish Farming, wherein one discloses " cultivation tail water treatment system ", open (bulletin) day
For 2017.11.28.A kind of disclosed intensive culture tail water treatment system, including sequentially connected pond, pond is successively
Are as follows: in-situ precipitate pond, aeration tank, is connected by connecting pipe between aquaculture pond biological treatment tank, and connecting pipe is equipped with valve
Door, biological treatment tank is interior to be equipped with uniformly distributed rope or stanchion, and rope surface is equipped with uniformly distributed float, float or the suspension of stanchion surface
There are biomembrane or activated sludge, the invention realizes tail water recycling, it is environmentally protective, it can also be dropped by the algae of culture and shellfish
Low tail water processing cost creates economic benefit.An another piece discloses " processing of cultivation tail water and cyclic utilization system ", disclosure
(bulletin) day 2017.10.17, tail water processing and cyclic utilization system in a kind of cultivation project of the invention, including aquaculture pond, dirt
Pond, reparation pond, cobblestone filtering ponds and ecological pool are equipped with inlet and outlet.It repairs and plants water purification plant in pond, and
Equipped with bacillus delivery device.The tail water generated in aquaculture pond passes through cesspool, reparation pond, cobblestone filtering ponds and ecological pool
Processing after, be back to aquaculture pond carry out reuse, to realize recycling for tail water.
In conclusion above-mentioned two inventions belong to fresh-water fishes pond culture tail water purifying treatment method, therefore, with this hair
The purifying treatment method of the sea-farming Tail water reuse of bright proposition has bigger difference.
Summary of the invention
In view of above-mentioned status, the present invention provides a kind of sea-farming Tail water reuse purifying treatment method, effective use is supported
It grows waste water caused by fish and shrimp and carries out purified treatment, meet the developing direction of National agricultural industry environmental protection, green, health and ring
Border is friendly, and the direct emission for reducing cultivation tail water for many years impacts marine environmental pollution, solves current support
Grow the problem of tail water direct emission.
The technical solution of the invention is as follows, a kind of purifying treatment method of sea-farming Tail water reuse, including seawater is supported
It grows tail water collection system, activated sludge and precipitating and subtracts mud purification system and biological purification system；Wherein:
(1) sea-farming tail water collection system: including sea-farming tail water collecting pit, sea-farming tail water pumping plant, aqueduct,
Buffer pool；Wherein:
Sea-farming tail water collecting pit: sea-farming tail water collecting pit is poured with armored concrete, and long 60000mm is wide
20000mm, deep 2000mm, bottom flat, the tail water of sea-farming include the tail water of industrial aquaculture and pond culture, pass through pipe
Road or channel are transported to sea-farming tail water collecting pit, and the specification size of sea-farming tail water collecting pit is according to water to be dealt with
It measures and determines；
Sea-farming tail water pumping plant: sea-farming tail water pumping plant is built between sea-farming tail water collecting pit and buffer pool, pumping plant
Two suction pumps of interior configuration, according to depending on pump-out, consideration energy conservation needs to configure frequency converter and adjusts pump-out Ordination of pump；
Aqueduct: aqueduct be by water pump by cultivation tail water collecting pit be pumped into buffer pool PVC pipeline, pipe diameter with
The size of water pump diameter is consistent, general to select diameter 200mm to 300mm water pump, stands for 200 cubic metres to 1000 of pump-out per hour
Square rice；
Buffer pool: the major function of buffer pool is to cut down the impact force of pumping for water pump, and buffer pool is poured with armored concrete,
Long 20000mm, wide 2000mm, depth 2000mm, width of wall body 300mm, hold water depth 1700mm, bottom flat, buffer pool with
Board height between activated sludge aeration tank is 1700mm, and water covers board by buffer pool and flows into activated sludge aeration tank；
(2) activated sludge and precipitating subtract mud purification system: including aerator, gas pipeline, activated sludge aeration tank, level-one precipitating
Pond, second-level settling pond；Wherein:
Aerator: aerator aeration oxygen replenishing into activated sludge aeration tank makes the activation of microorganism in sludge, and it is dirty to form activity
Mud.Aerator is mounted in computer room, installs two high-energy Roots blowers, and aerator is continuously exposed into activated sludge aeration tank
Gas；
Gas pipeline: the pipeline of gas pipeline diameter 160mmPPR material, the pipeline of lateral PVC material, pipeline are straight
Diameter 110mm enters water gas pipeline PVC hose, and pipe diameter 25mm, connection is aerated release at its end；
Activated sludge aeration tank: the major function of activated sludge aeration tank is to keep the microorganism in sludge living by aeration oxygen replenishing
Change, form activated sludge, while launching bacillus (Bacillus) preparation, degradation of ammonia nitrogen and cultured water, and has and subtract
Mud effect, activated sludge aeration tank are poured with armored concrete, long 28000mm, wide 20000mm, bottom flat, and two sides are long
The high 2000mm of the wall on side, the bottom installation of width of wall body 300mm, activated sludge aeration tank are aerated release, every two squares average
Rice places an aeration release, and the water surface is made to form a large amount of uniform boiling sprays, activated sludge aeration tank and first stage precipitation tank
Between board height 1700mm, through activated sludge aeration tank handle cultivation tail water cover the board flow into first stage precipitation tank；
First stage precipitation tank: the major function of first stage precipitation tank is further precipitating particulate matter, and uses bacillus system wherein
Agent improves substrate and water quality, cuts down bottom sediment sludge, and first stage precipitation tank is poured with armored concrete, long 30000mm,
Wide 20000mm, the height 2000mm of the long abutment wall in two sides, width of wall body 300mm, bottom flat, first stage precipitation tank and two-stage precipitation
Board height 1700mm between pond covers board through the processed cultivation tail water of first stage precipitation tank and flows into second-level settling pond；
Second-level settling pond: second-level settling pond is identical design with first stage precipitation tank, and major function is further precipitating
Grain object further cuts down silting, second-level settling pond reinforcing bar using the bacillus preparation that can improve substrate and water quality
Concreting forms, long 30000mm, wide 20000mm, width of wall body 300mm, bottom flat, three face walls high 2000mm, another
Board height 1700mm between face wall, that is, second-level settling pond and level-one biological purifying tank, through the processed cultivation of second-level settling pond
Tail water covers board and flows into level-one biological purifying tank；
(3) biological purification system: including: level-one biological purifying tank, and two stage biological clarifier-tank crosses the mouth of a river, two stage biological clarifier-tank,
Three-level biological purifying tank crosses the mouth of a river, three-level biological purifying tank, water outlet；Wherein:
Level-one biological purifying tank: the main function of level-one biological purifying tank is to utilize active biological film degradation of ammonia nitrogen and nitrous acid
Nitrogen, active biological film are attached to the surface of stereo-elastic biologic packing material, the stereo-elastic biology of every square metre of suspension diameter 150mm
Filler 100, a large amount of active biological film powerful, the degradation effect containing nitrogen pollutant is significant；Level-one biological purifying tank
Long 90000mm, wide 20000mm, deep 2000mm, wherein side is the steel of buffer pool, activated sludge aeration tank and first stage precipitation tank
Core wall of the reinforced concrete abutment wall as level-one biological purifying tank, is highly 2000mm, and second-level settling pond and level-one biology are net
Changing the board between pond is unrestrained waterwall, and height 1700mm, excess-three face is all made of the dike low bank between fields that soil property is piled up, level-one biological purifying tank
Bottom flat, dike low bank between fields height 2000mm, dike low bank between fields top width 2000mm, dike low bank between fields side slope ratio are 1:1, overflow waterwall in second-level settling pond
Diagonally opposing corner design two stage biological clarifier-tank cross the mouth of a river；
Two stage biological clarifier-tank crosses the mouth of a river: two stage biological clarifier-tank crosses the mouth of a river and is located at the diagonally opposing corner that second-level settling pond overflows waterwall, wide
Degree is 4000mm, deep 1700mm, crosses mouth of a river two sides and is taken and build with knitting bagged soil, and surface is deployed troops on garrison duty with engineering and protected, and in this way may be used
It is collapsed with preventing water impact dike low bank between fields, thus the cultivation tail water through level-one biological purifying tank purified treatment crosses the mouth of a river and flows into second level
Biological purifying tank；
Two stage biological clarifier-tank: the major function of two stage biological clarifier-tank is to cultivate the climing algae in tangleweed river (Ruppiaceae),
The main function of the climing algae in river is ammonia nitrogen and reactive phosphate in efficient absorption water, and removal rate can reach 90%, the efficiency of clean water
It is high, it has also become the good seaweed of generally acknowledged improvement seawater pollution, when being purified water with the climing algae in river, it is desirable that sluggish flow,
It can further improve purification efficiency；Two stage biological clarifier-tank is soil property pond, length 90000mm, wide 30000mm, the depth of water
1200mm, dike low bank between fields height 1700mm, bottom flat, dike low bank between fields side slope ratio are 1:1, and dike low bank between fields is compacted in construction, dike low bank between fields top width
2000mm crosses the mouth of a river in the diagonally opposing corner design three-level biological purifying tank that two stage biological clarifier-tank crosses the mouth of a river；
Three-level biological purifying tank crosses the mouth of a river: the opening that three-level biological purifying tank crosses the mouth of a river is located at two stage biological clarifier-tank and crosses the mouth of a river
Diagonally opposing corner, width 4000mm, deep 1700mm, water impact dike low bank between fields collapses in order to prevent, crosses mouth of a river two sides knitting bagged soil
It takes and builds, protection is wrapped up in engineering cloth bag again in surface, thus the cultivation tail water purified through two stage biological clarifier-tank crosses mouth of a river stream
Enter three-level biological purifying tank；
Three-level biological purifying tank: the function of three-level biological purifying tank is identical as two stage biological clarifier-tank, and the climing algae in river is cultivated in pond, is adopted
With the climing algae combined processing in river, nitrogen, the degradation efficiency of phosphorus are more reliable and more stable, and three-level biological purifying tank is soil property pond, long
90000mm, wide 30000mm, depth of water 1200mm, dike low bank between fields height 1700mm, dike low bank between fields top width 2000mm, dike low bank between fields side slope ratio are 1:
1, bottom flat, water outlet is located at the diagonally opposing corner that three-level biological purifying tank crosses the mouth of a river；
Water outlet: water outlet is the terminal of entire sea-farming Tail water reuse cleaning treatment system, and water outlet installs diameter
300mmPVC pipeline, side by side installation three, outlet conduit are embedded in the middle and upper part of dike low bank between fields, use concrete protection around PVC pipeline, so
It is compact with soil afterwards, in the PVC valve of water outlet installation diameter 300mm, drainage speed and displacement are controlled, is examined through environmental protection administration
It tests qualification and reaches discharge standard, drained after getting the Green Light.
So far, a kind of overall process of the purifying treatment method of sea-farming Tail water reuse is completed.Its process is: seawater is supported
Grow tail water collecting pit → cultivation tail water pumping plant → aqueduct → buffer pool → aerator → gas pipeline → activated sludge aeration
Pond → first stage precipitation tank → second-level settling pond → level-one biological purifying tank → two stage biological clarifier-tank crosses the mouth of a river → two stage biological is net
Change pond → three-level biological purifying tank and crosses the mouth of a river → three-level biological purifying tank → water outlet, the sea-farming through systemic purified treatment
Tail water, water quality are better than national two class sea water quality standards.
In the present invention, steel reinforced concrete pool and soil property dike low bank between fields pile up biological purifying tank, and top is in the same horizontal plane
On, reinforced concrete wall width is 300mm, and dike low bank between fields top width is 2000mm, and dike Nian Po ratio is 1:1, side heap when construction
Build side compacting.
In the present invention, sea-farming tail water uniformly flows into collecting pit, is pumped into buffer pool through water pump, covers board and flows into activity
Sludge aeration pond, then precipitated twice through first stage precipitation tank and second-level settling pond and subtract mud effect, complete the preliminary of sea-farming tail water
Purified treatment.
In the present invention, the sea-farming tail water of preliminary purification processing overflows wall through second-level settling pond and flows into level-one biological cleaning
Pond, level-one biological purifying tank hang stereo-elastic biologic packing material, and surface grows biomembrane, degradation of ammonia nitrogen and cultured water, warp
It crosses the mouth of a river and flows into two stage biological clarifier-tank, two stage biological clarifier-tank cultivates the climing algae in river, ammonia nitrogen and reactive phosphate is absorbed and utilized, and passes through
It crosses the mouth of a river and flows into three-level biological purifying tank, it is same to cultivate the climing algae in river, ammonia nitrogen and reactive phosphate is further absorbed and utilized, purification reaches
Target cultivation tail water is discharged through water outlet.
In the present invention, stereo-elastic biologic packing material selects polypropylene material, and stereo-elastic biologic packing material diameter 150mm is close
The quasi- 0.83g/cm of scale3, every square metre of density 100 are hung, water temperature is suitable for needing 30 days will grow active bio abundant
Film can effectively purify water.
In the present invention, the climing algae in river is cultivated: two kinds of inoculation methods are can be used in the climing algae in river, first is that from neighbouring sea pond or salt pan
Pond acquires the climing algae in river, is transplanted in clarifier-tank；Second is that sprouting processing is carried out with climing algae in river, by the climing algae in the river handled well
Son sowing, depth of water 300mm or so is advisable when sowing.
The beneficial effects of the present invention are: establishing the compound biological purification system of sea-farming Tail water reuse purified treatment, pass through
Activated sludge, precipitating and microorganism subtract mud processing twice in succession, using active biological film degradation of ammonia nitrogen and cultured water, into one
Step passes through the climing algae biological cleaning in dual river, efficiently removes ammonia nitrogen and reactive phosphate, by the sea-farming tail of systematicness processing
Water, better than national two class sea water quality standards.
Detailed description of the invention
Fig. 1 is system layout of the invention.
Specific embodiment
The present invention is further described with reference to the accompanying drawing.
As shown in Figure 1, building a kind of system configuration engineering of sea-farming Tail water reuse purifying treatment method, including seawater
Cultivation tail water collection system, activated sludge and precipitating subtract mud purification system and biological purification system；Wherein:
1, sea-farming tail water collection system, comprising:
Sea-farming tail water collecting pit 1: the tail water of sea-farming includes that (tail water is i.e. useless for the tail water of industrial aquaculture and pond culture
Water), sea-farming tail water collecting pit 1, the specification size Ying Yi of sea-farming tail water collecting pit 1 are transported to by pipeline or channel
It is determined according to water to be dealt with, sea-farming tail water collecting pit 1 is poured with armored concrete, long 60000mm, wide
20000mm, deep 2000mm, width of wall body 300mm, bottom flat.
Cultivation tail water pumping plant 2: cultivation tail water pumping plant 2 is built between sea-farming tail water collecting pit 1 and buffer pool 4, pumping plant
2 suction pumps of interior configuration, according to depending on pump-out, consideration energy conservation needs to configure frequency converter and adjusts pump-out Ordination of pump.
Aqueduct 3: aqueduct 3 is the PVC pipeline for being pumped into buffer pool 4 by cultivation tail water collecting pit 1 by water pump, pipe
Road diameter is consistent with the size of water pump diameter, general selection diameter 200mm to 300mm water pump, per hour 200 cubic metres of pump-out
To 1000 cubic metres.
Buffer pool 4: the major function of buffer pool 4 is the waterpower cut down pumping for water pump and enter buffer pool.Buffer pool 4 uses reinforcing bar
Concreting forms, long 20000mm, wide 2000mm, depth 2000mm, width of wall body 300mm, holds water depth 1700mm, bottom
Portion is flat, and the board height between buffer pool 4 and activated sludge aeration tank 7 is 1700mm, is supported by what cultivation tail water pumping plant 2 extracted
It grows tail water and covers board inflow activated sludge aeration tank 7 through buffer pool 4.
2, activated sludge and precipitating subtract mud purification system, comprising:
Aerator 5: the major function of aerator 5 is the aeration oxygen replenishing into activated sludge aeration tank, is suspended in mud granule object
In water, by the activation of microorganism in sludge, activated sludge is formed.Aerator 5 is mounted in computer room, installs two high-energy Roots
Air blower, the continuous aeration into activated sludge aeration tank 7 of aerator 5.
Gas pipeline 6: the pipeline of the diameter 160mmPPR material of gas pipeline 6, the pipeline of lateral PVC material,
Pipe diameter 110mm enters water gas pipeline PVC hose, and pipe diameter 25mm, connection is aerated release at its end.
Activated sludge aeration tank 7: the major function of activated sludge aeration tank 7 is to make mud granule object by aeration oxygen replenishing
It suspends in water, beneficial microbe is grown on the surface of mud granule object, forms activated sludge, launches bacillus preparation, drop
Ammonia nitrogen and cultured water are solved, and has and subtracts mud effect.Activated sludge aeration tank 7 is poured with armored concrete, long
28000mm, wide 20000mm, bottom flat, the wall of two sides long side high 2000mm, width of wall body 300mm.Activated sludge aeration tank 7
Bottom of pond installation aeration release (standardized product, commercially available), 1 aeration release of every two square metres of installations is equal with the water surface
The even a large amount of boiling sprays of formation are advisable.Board height 1700mm between activated sludge aeration tank 7 and first stage precipitation tank 8, board
To overflow waterwall, the cultivation tail water handled through activated sludge aeration tank 7 covers board and flows into first stage precipitation tank 8.
First stage precipitation tank 8: the major function of first stage precipitation tank 8 is precipitating particulate matter, and use can improve substrate and water quality
Bacillus preparation, cut down silting.First stage precipitation tank 8 is poured with armored concrete, long 30000mm, wide
20000mm, bottom flat, the long peripheral wall height 2000mm in two sides, width of wall body 300mm, first stage precipitation tank 8 and second-level settling pond 9
Between board height 1700mm, the cultivation tail water handled through first stage precipitation tank 8 cover board flow into second-level settling pond 9.
Second-level settling pond 9: second-level settling pond 9 and first stage precipitation tank 8 are identical designs, and major function is further
Particulate matter is precipitated, the bacillus preparation of improvement substrate and water quality is launched, further cuts down silting.Second-level settling pond 9 is used
Armored concrete pours, length 30000mm, width 20000mm, depth 2000mm, width of wall body 300mm, bottom flat,
Board height 1700mm between second-level settling pond 9 and level-one biological purifying tank 10, the cultivation tail water handled through second-level settling pond 9
It covers board and flows into level-one biological purifying tank 10.
3, biological purification system, comprising:
Level-one biological purifying tank 10: the main function of level-one biological purifying tank 10 is to utilize active biological film degradation of ammonia nitrogen and nitrous
Sour nitrogen, active biological film are attached to the surface of stereo-elastic biologic packing material, and the stereo-elastic of every square metre of suspension diameter 150mm is raw
Object filler 100, a large amount of active biological film powerful, degradation effect containing nitrogen pollutant is significant.Level-one biological purifying tank
10 long 90000mm, wide 20000mm, deep 2000mm, wherein side long side is that buffer pool 4, activated sludge aeration tank 7 and level-one are heavy
Core wall of the armored concrete board in shallow lake pond 8 as level-one biological purifying tank 10, the height of wall are 2000mm, and level-one biology is net
Changing the board between pond 10 and second-level settling pond 9 is unrestrained waterwall, and the height of wall is 1700mm, remaining 3 face is all made of soil property dike low bank between fields,
10 bottom flat of level-one biological purifying tank, dike low bank between fields height 2000mm, dike low bank between fields top width 2000mm, dike low bank between fields side slope ratio are 1:1,
The diagonally opposing corner design two stage biological clarifier-tank that second-level settling pond overflows waterwall crosses the mouth of a river 11.
Two stage biological clarifier-tank crosses the mouth of a river 11: two stage biological clarifier-tank crosses the mouth of a river 11 and is located at the oblique of the unrestrained waterwall of second-level settling pond
Diagonally, width 4000mm, deep 1700mm, mouth of a river two sides are taken with knitting bagged soil excessively builds, and surface is deployed troops on garrison duty with engineering and protected,
It can prevent water impact from dike low bank between fields being caused to collapse in this way, thus the cultivation tail water purified through level-one biological purifying tank is crossed the mouth of a river 11 and flowed
Enter two stage biological clarifier-tank 12.
Two stage biological clarifier-tank 12: the major function of two stage biological clarifier-tank 12 is to cultivate the climing algae in tangleweed river, and river is climing
The main function of algae is ammonia nitrogen and reactive phosphate in efficient absorption water, and removal rate can reach 90%, the efficiency pole of clean water
It is high, it has also become the good seaweed of generally acknowledged improvement seawater pollution, when carrying out purification of water quality with the climing algae in river, it is desirable that and sluggish flow, it can
Further increase purification efficiency.The length 90000mm, wide 30000mm, depth of water 1200mm of two stage biological clarifier-tank 12, bottom are flat
Smooth, dike low bank between fields height 1700mm, dike low bank between fields side slope ratio is 1:1, is compacted in construction, dike low bank between fields top width 2000mm, in two stage biological
The diagonally opposing corner design three-level biological purifying tank that clarifier-tank crosses the mouth of a river 11 crosses the mouth of a river 13.
Three-level biological purifying tank crosses the mouth of a river 13: the opening that three-level biological purifying tank crosses the mouth of a river 13 is located at two stage biological clarifier-tank
The diagonally opposing corner at the mouth of a river 12 is crossed, width 4000mm, deep 1700mm prevent water impact dike low bank between fields from causing to collapse, and cross mouth of a river two sides and use
Knitting bagged soil, which is taken, to be built, and protection is wrapped up in engineering cloth bag again in surface, the cultivation tail water purified through two stage biological clarifier-tank by
This crosses the mouth of a river 13 and flows into three-level biological purifying tank 14.
Three-level biological purifying tank 14: the function of three-level biological purifying tank 14 is identical as two stage biological clarifier-tank 12, trains in pond
The climing algae in river is planted, using the climing algae combined processing in river, purification efficiency is more reliable and more stable.Three-level biological purifying tank long 90000mm, it is wide
30000mm, bottom flat, depth of water 1200mm, dike low bank between fields height 1700mm, dike low bank between fields top width 2000mm, dike low bank between fields side slope ratio are 1:
1, water outlet 15 is located at the diagonally opposing corner that three-level biological purifying tank crosses the mouth of a river 13.
Water outlet 15: water outlet 15 is the terminal of entire sea-farming Tail water reuse cleaning treatment system, water outlet installation
The PVC pipeline of diameter 300mm, installation three side by side, outlet conduit is embedded in the middle and upper part of dike low bank between fields, uses concrete around PVC pipeline
Protection, it is then compact with soil, in the PVC valve of water outlet installation diameter 300mm, drainage speed and displacement are controlled, through ring
It is qualified that guarantor department examines, and is drained after getting the Green Light.
So far, a kind of overall process of sea-farming Tail water reuse purifying treatment method is completed.Its process is: sea-farming
Tail water collecting pit 1 → cultivation tail water pumping plant 2 → aqueduct, 3 → buffer pool, 4 → aerator, 5 → gas pipeline, 6 → activated sludge
Aeration tank 7 → first stage precipitation tank, 8 → second-level settling pond, 9 → level-one biological purifying tank 10 → two stage biological clarifier-tank cross the mouth of a river 11 →
Two stage biological clarifier-tank 12 → three-level biological purifying tank crosses the mouth of a river 13 → three-level biological purifying tank, 14 → water outlet 15.Sea-farming
For tail water after systemic purified treatment, water quality is better than national two class sea water quality standards.
In the present invention, the biological purifying tank that steel reinforced concrete pool and soil property dike low bank between fields are piled up, overhead height is same
On horizontal plane, reinforced concrete wall width is 300mm, and dike low bank between fields top width is 2000mm, and dike low bank between fields side slope ratio is 1:1, is applied
Working hour is compacted when piling up.
In the present invention, sea-farming tail water uniformly flows into collecting pit 1, is pumped into buffer pool 4 through water pump, covers board and flows into work
Property sludge aeration pond 7, then precipitate twice through first stage precipitation tank (8) and second-level settling pond 9 and to subtract mud effect, complete sea-farming tail water
Preliminary purification processing.
In the present invention, the sea-farming tail water of preliminary purification processing overflows wall through second-level settling pond 9 and flows into level-one biological cleaning
Pond 10, level-one biological purifying tank 10 hang stereo-elastic biologic packing material, and surface grows biomembrane, degradation of ammonia nitrogen and nitrous acid
Nitrogen flows into two stage biological clarifier-tank 12 by the mouth of a river 11, and two stage biological clarifier-tank 12 cultivates the climing algae in river, ammonia nitrogen and work is absorbed and utilized
Acid phosphate flows into three-level biological purifying tank 14 by the mouth of a river 13, same to cultivate the climing algae in river, and ammonia nitrogen and work is further absorbed and utilized
Acid phosphate purifies cultivation tail water up to standard and discharges through water outlet 15.
In the present invention, stereo-elastic biologic packing material by environment-friendly materials factory purchase stereo-elastic biologic packing material, select material for
Polypropylene, stereo-elastic biologic packing material diameter 150mm, density criterion 0.83g/cm3, every square metre of density 100 are hung, water temperature
It is suitable for needing 30 days will grow active biological film abundant, can effectively purifies water.
In the present invention, the climing algae in river is cultivated, and two kinds of inoculation methods can be used in the climing algae in river, first is that from neighbouring sea pond or salt pan
Pond acquires the climing algae in river, is transplanted in two stage biological clarifier-tank and three-level biological purifying tank；Second is that the progress to the climing algae in river
Sprouting processing, by climing algae in the river handled well, in bottom sowing, sowing, depth of water 300mm or so is advisable.
Claims (5)
1. a kind of purifying treatment method of sea-farming Tail water reuse, including sea-farming tail water collection system, activated sludge and
Precipitating subtracts mud purification system and biological purification system；Wherein:
1) sea-farming tail water collecting pit (1): sea-farming tail water collecting pit (1) is poured with armored concrete, and seawater is supported
The tail water grown includes the waste water of the discharge of industrial aquaculture and pond culture, is transported to sea-farming tail water by pipeline or channel
The specification size of collecting pit (1), sea-farming tail water collecting pit (1) is determined according to water to be dealt with；
2) tail water pumping plant (2) are cultivated: cultivation tail water pumping plant (2) build in sea-farming tail water collecting pit (1) and buffer pool (4) it
Between, two suction pumps are configured in pumping plant, according to depending on pump-out, consideration energy conservation needs to configure frequency converter adjusting and draws water Ordination of pump
Amount；
3) aqueduct (3): aqueduct (3) is the PVC for being pumped into buffer pool (4) by cultivation tail water collecting pit (1) by water pump
Pipeline, pipe diameter is consistent with the size of water pump diameter, per hour 200 cubic metres to 1000 cubic metres of pump-out；
4) buffer pool (4): the major function of buffer pool (4) is the waterpower cut down pumping for water pump and enter buffer pool, and water is by buffer pool
(4) it covers board and flows into activated sludge aeration tank (7).
5) aerator 5: the major function of aerator is the aeration oxygen replenishing into activated sludge aeration tank, and aeration effect makes mud granule
Object suspends in water, and by the activation of microorganism in sludge, forms activated sludge.Aerator (5) is mounted in computer room, installs two
High-energy Roots blower, aerator (5) continuous aeration into activated sludge aeration tank；
6) gas pipeline (6): the pipeline of gas pipeline (6) diameter 160mmPPR material, the pipe of lateral PVC material
Road, pipe diameter 110mm enter water gas pipeline PVC hose, and pipe diameter 25mm, connection is aerated release at its end；
7) activated sludge aeration tank (7): the major function of activated sludge aeration tank (7) is by aeration oxygen replenishing, beneficial microbe
It is grown on the surface of mud granule object, forms activated sludge, launches the bacillus that can improve substrate and water quality
(Bacillus) preparation, degradation of ammonia nitrogen and cultured water, while having and subtracting mud effect；Every two square metres of installations, one aeration of bottom of pond
Release, activated sludge aeration tank (7) are poured with armored concrete, and the seawater through activated sludge aeration tank (7) processing is supported
It grows tail water and overflows wall inflow first stage precipitation tank (8)；
8) first stage precipitation tank (8): first stage precipitation tank (8) is poured with armored concrete, through supporting for first stage precipitation tank (8) processing
It grows tail water and covers board inflow second-level settling pond (9), precipitate particulate matter herein, use bacillus preparation, cut down silting；
9) second-level settling pond (9): second-level settling pond (9) is poured with armored concrete, herein further precipitating particulate matter and
Cut down silting, purify water, the cultivation tail water handled through second-level settling pond (9) covers board and flows into level-one biological purifying tank
(10)；
10) level-one biological purifying tank (10): the stereo-elastic of every square metre of level-one biological purifying tank (10) suspension diameter 150mm is raw
Object filler 100, a large amount of nitrogenous pollutant significant effect of active bio membrane degradation is located at second-level settling pond (9) and overflows waterwall
Diagonally opposing corner design two stage biological clarifier-tank cross the mouth of a river (11)；
11) two stage biological clarifier-tank is crossed the mouth of a river (11): two stage biological clarifier-tank crosses the mouth of a river (11) and is located at the unrestrained waterwall of second-level settling pond
Diagonally opposing corner, the cultivation tail water purified through level-one biological purifying tank thus cross the mouth of a river (11) flow into two stage biological clarifier-tank (12)；
12) two stage biological clarifier-tank (12): two stage biological clarifier-tank (12) cultivates the climing algae in tangleweed river (Ruppiaceae), river
The main function of climing algae is ammonia nitrogen and reactive phosphate in efficient absorption water, crosses the oblique of the mouth of a river (11) in two stage biological clarifier-tank
Diagonal design three-level biological purifying tank crosses the mouth of a river (13)；
13) three-level biological purifying tank is crossed the mouth of a river (13): it is net that the opening that three-level biological purifying tank crosses the mouth of a river (13) is located at two stage biological
Change the diagonally opposing corner that the mouth of a river (11) are crossed in pond, thus the cultivation tail water purified through two stage biological clarifier-tank crosses the mouth of a river (13) and flows into three-level life
Object clarifier-tank (14)；
14) three-level biological purifying tank (14): the specification and function of three-level biological purifying tank (14) and two stage biological clarifier-tank (12)
Identical, using the climing algae combined processing in river, purification efficiency is more reliable and more stable, and the water outlet (15) of three-level biological purifying tank is located at three
Grade biological purifying tank crosses the diagonally opposing corner of the mouth of a river (13)；
15) water outlet (15): water outlet (15) is located at the terminal of entire sea-farming Tail water reuse cleaning treatment system, and seawater is supported
Grow tail water purification it is up to standard after thus discharge.
2. a kind of sea-farming Tail water reuse purifying treatment method according to claim 1, it is characterised in that: sea-farming
Tail water uniformly flows into collecting pit (1), is pumped into buffer pool (4) through water pump, covers board and flows into activated sludge aeration tank (7), then passes through
First stage precipitation tank (8) and second-level settling pond (9) precipitate twice subtracts mud effect, completes the preliminary purification processing of sea-farming tail water.
3. a kind of sea-farming Tail water reuse purifying treatment method according to claim 1, it is characterised in that: preliminary purification
The sea-farming tail water of processing overflows wall through second-level settling pond (9) and flows into level-one biological purifying tank (10), level-one biological purifying tank
(10) stereo-elastic biologic packing material is hung, surface grows biomembrane, degradation of ammonia nitrogen and cultured water, flows by the mouth of a river (11)
Two stage biological clarifier-tank (12), two stage biological clarifier-tank (12) cultivate the climing algae in river, ammonia nitrogen and reactive phosphate are absorbed and utilized, and pass through
The mouth of a river (13) flows into three-level biological purifying tank (14), same to cultivate the climing algae in river, and ammonia nitrogen and reactive phosphate is further absorbed and utilized,
Cultivation tail water up to standard is purified to discharge through water outlet (15).
4. a kind of sea-farming Tail water reuse purifying treatment method according to claim 1, it is characterised in that: stereo-elastic
Biologic packing material selects polypropylene material, stereo-elastic biologic packing material diameter 150mm, density criterion 0.83g/cm3, it is every to hang density
Square metres 100, water temperature is suitable for needing 30 days will grow active biological film abundant, can effectively be purified water.
5. a kind of sea-farming Tail water reuse purifying treatment method according to claim 1, it is characterised in that: the climing algae training in river
It plants, two kinds of inoculation methods can be used in the climing algae in river, first is that acquiring the climing algae in river from neighbouring sea pond or salt pan pond, are transplanted to second level
In biological purifying tank and three-level biological purifying tank；Second is that sprouting processing is carried out to the climing algae in river, by the climing algae in the river handled well
The seed depth of water about 300mm in bottom sowing, sowing is advisable.
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