CN103548757A - Substrate treating system for aquaculture pond - Google Patents

Substrate treating system for aquaculture pond Download PDF

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Publication number
CN103548757A
CN103548757A CN201310539763.9A CN201310539763A CN103548757A CN 103548757 A CN103548757 A CN 103548757A CN 201310539763 A CN201310539763 A CN 201310539763A CN 103548757 A CN103548757 A CN 103548757A
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pond
sequencing batch
activated sludge
reaction tank
sludge reaction
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CN201310539763.9A
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CN103548757B (en
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程果锋
张增胜
吴宗凡
时旭
刘兴国
朱浩
顾兆俊
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Fishery Machinery and Instrument Research Institute of CAFS
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Fishery Machinery and Instrument Research Institute of CAFS
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Abstract

The invention discloses a substrate treating system for an aquaculture pond. A surge machine is arranged at the central position of the pond; a sewage collecting pond is arranged below the surge machine; a protective cover is arranged on the upper part of the sewage collecting pond; during running of the surge machine, a water body in the pond rotates, and substrates scattered at the bottom of the pond are gathered into the sewage collecting pond below the protective cover under the action of produced centrifugal force and are conveyed into a sequencing batch active sludge reaction pond on the outer side of the pond via a sewage collecting pipe connected with the sewage collecting pond; the sequencing batch active sludge reaction pond is provided with a blowing aeration pipe; a fan is connected outside the blowing aeration pipe; low-flow water conveying equipment is arranged on the middle upper part of the inside of the sequencing batch active sludge reaction pond; clean water on the upper part of the sequencing batch active sludge reaction pond is conveyed into the pond via a water return pipe connected with the water conveying equipment.

Description

A kind of cultivating pool substrate treatment system
Technical field
The invention belongs to pond cultivation technology field, particularly a kind of cultivating pool substrate treatment system.
Background technology
Traditional breeding way is taked in most pond cultures of China, often needs to drop into a large amount of feeds, fertilizer in breeding process.These material major parts deposit to pond bottom formation substrate by the form of fishes and shrimps ight soil, residual bait, owing to needing a large amount of oxygen in the organic substance decomposable process in substrate, thereby make pond bottom produce anoxic and anaerobic environment, have a strong impact on the growth of fish; Meanwhile, the nutritive elements such as a large amount of nitrogen phosphorus that contain in substrate cannot return in pond waters and form primary productivity, cause the wasting of resources.In recent years, along with the social influence of the problems such as aquaculture pollution and water resource waste is increasing, people are more and more concerned about pond culture substrate and regulating and controlling water quality problem, and it is the following breach that promotes pond culture effect that substrate administrative skill is regarded as by domestic and international many scholars.
At present, the processing method of Aquacultural water bed mud is mainly contained to mechanical desilting, microorganism improvement, chemicals adjustment etc. both at home and abroad.Machinery desilting is mainly the mud that utilizes the removing water bottom such as hydraulic pond sludge scooping machine group, and the method cannot be accomplished the recycling to nutriment in bed mud; Although microbial process has improved the recycling of rich nutritive material in bed mud, due to uncontrollable microbial growth condition, its effect cannot be stablized; Although chemical method instant effect, easily causes chemical residues, the problem of existence is a lot, cannot tackle the problem at its root.
Summary of the invention
The object of this invention is to provide a kind of cultivating pool substrate treatment system, to solve substrate in existing pond culture, be difficult to process the variety of issue bringing.
Technical scheme of the present invention is, a kind of cultivating pool substrate treatment system, and described pond middle position is provided with surge machine, and below surge machine, be provided with collection top, ,Ji Wu pond, dirty pond over cap is installed,
During surge machine operation; make pond waters rotation; the centrifugal force producing is pooled to the substrate that is dispersed in pond bottom in the dirty pond of collection of over cap below; then by the dirty collector being connected with the dirty pond of collection, be transported in the sequencing batch activated sludge reaction tank in outside, pond; described sequencing batch activated sludge reaction tank has blast aeration pipe; the external blower fan of this blast aeration pipe
Position, middle and upper part in sequencing batch activated sludge reaction tank is provided with the delivery equipment of low discharge, and the comparatively clean water on sequencing batch activated sludge reaction tank top is transported in pond by the return pipe being connected with delivery equipment again.
A substrate processing method, installs a surge machine at cultivating pool middle position, and a collection top, ,Ji Wu pond, dirty pond is set below surge machine over cap is installed,
By the operation of surge machine, by pond waters rotation, the centrifugal force of generation is pooled to the substrate that includes ight soil and residual bait being dispersed at the bottom of the pool in the dirty pond of collection of over cap below,
Then by collecting dirty pipe, be transported in the sequencing batch activated sludge reaction tank in outside, pond, described sequencing batch activated sludge reaction tank has blast aeration pipe, the external blower fan of this blast aeration pipe,
Position, middle and upper part in sequencing batch activated sludge reaction tank is provided with the delivery equipment of low discharge, the comparatively clean water on sequencing batch activated sludge reaction tank top is transported in pond by the return pipe being connected with delivery equipment again, thereby the waste water that contains higher concentration ight soil and residual bait can constantly enter sequencing batch activated sludge reaction tank, and constantly concentrated
Deng being pooled to a certain degree, sequencing batch activated sludge reaction tank stops into water, in sequencing batch activated sludge reaction tank, carry out a series of precipitation homogenizes, aerated reaction, the flow processs such as secondary precipitation, organic matter in the high concentrated organic wastewater that contains ight soil and residual bait substrate is able to oxidation removal, wherein the top clean liquid of the nutritive element such as rich Nitrogen-and Phosphorus-containing is promoted to and in return pipe, gets back to pond through delivery equipment, the organic matter precipitating is concentrated discharge, makes fertilizer for plant after mummification.
Sequencing batch activated sludge reaction tank of the present invention, is SBR pond (sequencing batch reactor activated sludge process is called for short SBR pond).
The present invention is directed to substrate deposition in pond and should not collect the problem of collecting, adopt surge machine to be arranged on pond central authorities, the rotary water current producing by its operation collects ight soil and residual bait, and eliminates its hydraulic Lift to collecting the impact of substrate by top board is set.By adopting SBR pond, realize water inlet, precipitation, organic matter aerated reaction, secondary precipitation, strengthening nitration reaction and be integrated, greatly saved traditional wetland and ecological pond tupe treatment effeciency is low, the shortcoming that floor space is large.Only for the pollution source of this pair of water pollution maximum of substrate, remove, can greatly reduce water treatment amount.By SBR pond, precipitation, reaction, the selection of sedimentation time can fully realize nitration reaction in pond with regulation and control, and the Growth and metabolism of denitrifying bacterium, regulates and controls controlled.
Accompanying drawing explanation
The horizontal layout schematic diagram of an embodiment of Fig. 1 system of the present invention.
Fig. 2 system of the present invention is for the floor plan of single pond embodiment.
The floor plan of embodiment when Fig. 3 system of the present invention shares for many ponds
In figure, 1 is that pond, 2 is for surge machine, 3 is for return pipe, 4 is for delivery equipment, 5 is for batch-type reaction tank (SBR pond), 6 is for cover plate, 7 is for the dirty pond of collection, 8 is for integrating dirty pipe, 9 as blast aeration pipe.
Embodiment
Bottom material of pond for breeding of the present invention is collected with cleaning system and is formed: by square or circular cultivating pool, surge machine (collection is dirty), collect dirty hole, cover sheet, the dirty pipe of collection, sequencing batch activated sludge pond (sequencing batch reactor activated sludge process is called for short SBR pond), delivery equipment, water return pipeline and form.Cultivating pool is generally 3-7 mu, and in pond, a 1.1KW left and right surge machine is installed by central authorities; The dirty hole of collection of a diameter 0.5-2.0m left and right is set, dark about 0.5m under surge machine at the bottom of pond; At the bottom of a little higher than pool around, top, hole, circular cover sheet is installed at 5-10cm place, and cover plate diameter is slightly larger than the dirty hole of collection diameter; Integrate bottom, dirty hole arrange a diameter as the UPVC pipe of 200-300mm or bellows as blow-off pipe, a plurality of perforation are offered on blow-off pipe top, piercing aperture is less than material culture ectosome in pond, 1.5 times of the gross area > blow-off pipe sectional area of all boring a hole.By surge machine, rotate the rotary water current producing, the substrates such as the ight soil of drive pond bottom deposition and residual bait collect to the collection mud pit of cover sheet below, then by collecting dirty pipe, are transported in the sequencing batch activated sludge pond (SBR pond) in outside, pond.Middle and upper part, SBR pond is provided with the delivery equipment of low lift as axial-flow pump etc., the UPVC return pipe that is 200-300mm through diameter the comparatively clean water on top is transported in pond again, thereby the waste water that contains higher concentration ight soil and residual bait can constantly enter SBR pond, and constantly concentrated, until backwater amount is while reaching the 1-5% of pond waters, stop into water, start to carry out a series of reaction in SBR pond.Wherein, SBR pond is by concrete or brick forming, general construction as square or circular, there is the function that the dirty pond of connected set, collection dirt and aeration and biological are processed, collect the functions such as water inlet homogenizing, primary deposition, aeration and biological degraded, secondary precipitation in a pond, do not establish sludge reflux system, bottom, pond is connected with aeration tube, by intermittent aerating mode, moves.Supernatant after secondary precipitation, wherein the supernatant of the nutritive element such as rich Nitrogen-and Phosphorus-containing is sent pond back to through water delivery device, and the Organic Sludge part of deposition is discharged and is made into fertilizer, as plant trees flowers, uses.
Bottom material of pond for breeding is collected with cleaning system operation running: at fine noon, first after opening the about 1h of surge machine, carry out, in collection mud sump, part ight soil and residual bait have been collected, now open delivery equipment in SBR pond as axial-flow pump etc., the comparatively clean water in top, SBR pond is transported in pond through return pipe.Now, collect in dirty pond, collect contain ight soil and residual bait high-concentration sewage is just transported in sbr reactor pond through collector pipe under hydraulic pressure, the electrodeposition substances such as ight soil wherein and residual bait are to SBR pond bottom, supernatant is wherein pumped away.After moving 2h, a large amount of high-concentration waste waters in sbr reactor pond, have been collected.Now, stopping axial-flow pump drawing water, and supply water to SBR pond by the dirty pond of intubate the Stopping Sets, then precipitate 4-6h, in pond, form anoxic or anaerobic environment, carry out organic preliminary degraded, carry out again aeration 3-4h, the organic matter in water body and ammonia nitrogen are carried out to aerobic removal, then stop aeration, precipitation 5-8h, during carry out nitrogen denitrification remove and organic further decomposition; Then with delivery equipment, extract SBR pond supernatant to fishpond, mud is drained to making fertilizer, then leave unused and use to next time in SBR pond.
The present invention, by adding the mechanical measures such as surge machine, at the bottom of solution traditional pond substrate is dispersed in the pool, is completely cut off the problem that should not collect by water body.By bottom material of pond for breeding is removed in time, thoroughly solve the problem of the easy anoxic of pond bottom.Only, for the substrate of pond bottom environmental hazard maximum is carried out to resolution process, greatly alleviated difficulty and the water yield processed, construction costs is low, high efficiency.For the ight soil of high concentration and the high concentrated organic wastewater of residual bait, adopt SBR pond to process, can realize in the inside, pond the reaction process such as precipitation, aerated reaction, secondary precipitation of waste water, with traditional activated sludge process and the purification method that adopts ecological pond, artificial swamp, greatly reduce floor space, improved treatment effeciency.The supernatant of the nutritive elements such as rich Nitrogen-and Phosphorus-containing after treatment pond secondary precipitation is back to pond, improves pond primary productivity, the bottom material of pond for breeding after concentrated is shone to dry treatment as plant's fertilizer.Realized the secondary utilization of nutritive element, turned waste into wealth.
Applicating example of the present invention is as follows.
1, the use of bottom material of pond for breeding collection and cleaning system in the transformation of large freshwater fish culturing pond is built
As shown in Figure 1, dirty pond 7 of collection of middle position excavation at cultivating pool 1, collect the dark about 0.5m in dirty pond, diameter 1-2m, in collection dirty pond top 10cm left and right, an over cap 6 is installed, top cover slightly larger in diameter is in the diameter in the dirty pond 7 of collection, in 7 upper water surfaces, the dirty pond of collection, surge machine 2 is installed, by the operation of surge machine 2, by water body rotation in pond 1, the centrifugal force producing will concentrate in the dirty pond 7 of collection that ight soil at the bottom of pond and residual bait be pooled to over cap 6 belows, through collecting dirty pipe 8, be transported to the batch-type reaction tank 5 that is arranged in 1 outside, pond, through a series of water inlet, precipitation, through aeration tube 9 aerated reactions, secondary precipitation, organic matter in the high concentrated organic wastewater that contains the substrates such as ight soil and residual bait is able to oxidation removal, wherein the supernatant of the nutritive element such as rich Nitrogen-and Phosphorus-containing is promoted to and in water-supply-pipe 3, gets back to fishpond through delivery equipment 4, the organic matter precipitating is concentrated discharge, after mummification, make fertilizer for plant.
2, in prawn culturing higher-place pond, use
The high-order culturing pool of prawn is generally circular or square circle of contact angle, bottom is the bottom of a pan dress, near pool wall place, water-mill oxygen increasing machine is housed and forms convection current, but pond middle body is usually hydrostatic state, cannot produce enough eddy flows and make the central authorities at the bottom of residual bait, excreta etc. concentrate on pond, often needing to change in a large number water could discharge the residual bait in bottom, ight soil.Adopt bottom material of pond for breeding to collect and cleaning system, can extract in time concentrating on residual bait, the excreta of central authorities at the bottom of pond, alleviate pond waters is endangered, the high concentrated organic wastewater of simultaneously discharging focuses in batch-type high concentration reaction tank and purifies decomposition, after precipitation, the supernatant of the nutritive element such as rich Nitrogen-and Phosphorus-containing is back to pond and realizes rich water, the organic matter of deposition can be made fertilizer after mummification, has realized recycling.
Fig. 2 is that system of the present invention is for the floor plan of single pond embodiment.The floor plan of Fig. 3 embodiment when to be system of the present invention share for many ponds.In many ponds, a public bottom material of pond for breeding is collected and cleaning system, can comprise the dirty pipe of collection and the public SBR pond of return pipe by link pipeline, to reduce cost of investment.

Claims (2)

1. a cultivating pool substrate treatment system, is characterized in that, described pond middle position is provided with surge machine, below surge machine, be provided with collection top, ,Ji Wu pond, dirty pond over cap is installed,
During surge machine operation; make pond waters rotation; the centrifugal force producing is pooled to the substrate that is dispersed in pond bottom in the dirty pond of collection of over cap below; then by the dirty collector being connected with the dirty pond of collection, be transported in the sequencing batch activated sludge reaction tank in outside, pond; described sequencing batch activated sludge reaction tank has blast aeration pipe; the external blower fan of this blast aeration pipe
Position, middle and upper part in sequencing batch activated sludge reaction tank is provided with the delivery equipment of low discharge, and the comparatively clean water on sequencing batch activated sludge reaction tank top is transported in pond by the return pipe being connected with delivery equipment again.
2. a cultivating pool substrate processing method, is characterized in that,
At cultivating pool middle position, a surge machine is installed, a collection top, ,Ji Wu pond, dirty pond is set below surge machine over cap is installed,
By the operation of surge machine, by pond waters rotation, the centrifugal force of generation is pooled to the substrate that includes ight soil and residual bait being dispersed at the bottom of the pool in the dirty pond of collection of over cap below,
Then by collecting dirty pipe, be transported in the sequencing batch activated sludge reaction tank in outside, pond, described sequencing batch activated sludge reaction tank has blast aeration pipe, the external blower fan of this blast aeration pipe,
Position, middle and upper part in sequencing batch activated sludge reaction tank is provided with the delivery equipment of low discharge, the comparatively clean water on sequencing batch activated sludge reaction tank top is transported in pond by the return pipe being connected with delivery equipment again, thereby the waste water that contains higher concentration ight soil and residual bait can constantly enter sequencing batch activated sludge reaction tank, and constantly concentrated
Deng being pooled to a certain degree, sequencing batch activated sludge reaction tank stops into water, in sequencing batch activated sludge reaction tank, carry out a series of precipitation homogenizes, aerated reaction, the flow processs such as secondary precipitation, organic matter in the high concentrated organic wastewater that contains ight soil and residual bait substrate is able to oxidation removal, wherein the top clean liquid of the nutritive element such as rich Nitrogen-and Phosphorus-containing is promoted to and in return pipe, gets back to pond through delivery equipment, the organic matter precipitating is concentrated discharge, makes fertilizer for plant after mummification.
CN201310539763.9A 2013-11-04 2013-11-04 A kind of cultivating pool substrate processes system Expired - Fee Related CN103548757B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105265374A (en) * 2014-07-22 2016-01-27 石日福 Pollution discharge device of fish-shrimp mixed cultivation pond
CN105265349A (en) * 2014-07-22 2016-01-27 石日福 Fish-shrimp mixed breeding pond with heat-preservation shed and sewage discharge device
CN105265348A (en) * 2014-07-22 2016-01-27 石日福 Fish-shrimp mixed cultivation method and cultivation pond
CN105284696A (en) * 2014-07-22 2016-02-03 石日福 Pond having heat insulation shed and blowdown apparatus for mixed aquaculture of fish and shrimps
CN105409867A (en) * 2015-11-26 2016-03-23 中国水产科学研究院渔业机械仪器研究所 Control circuit for solar movable water layer exchange and oxygenating device
CN105850788A (en) * 2015-01-22 2016-08-17 通威股份有限公司 Water fertilizing method for large-water-surface pond culture
CN110301393A (en) * 2019-08-05 2019-10-08 上海海洋大学 A kind of feeding shrimp system of the recirculated water of SBR water process

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CN109601468A (en) * 2018-12-29 2019-04-12 北京航空航天大学 A method of reducing mangrove periphery feed coefficient shrimp aquaculture blowdown flow rate

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Publication number Priority date Publication date Assignee Title
CN105265374A (en) * 2014-07-22 2016-01-27 石日福 Pollution discharge device of fish-shrimp mixed cultivation pond
CN105265349A (en) * 2014-07-22 2016-01-27 石日福 Fish-shrimp mixed breeding pond with heat-preservation shed and sewage discharge device
CN105265348A (en) * 2014-07-22 2016-01-27 石日福 Fish-shrimp mixed cultivation method and cultivation pond
CN105284696A (en) * 2014-07-22 2016-02-03 石日福 Pond having heat insulation shed and blowdown apparatus for mixed aquaculture of fish and shrimps
CN105850788A (en) * 2015-01-22 2016-08-17 通威股份有限公司 Water fertilizing method for large-water-surface pond culture
CN105850788B (en) * 2015-01-22 2019-02-12 通威股份有限公司 A kind of rich water method of big water surface pond culture
CN105409867A (en) * 2015-11-26 2016-03-23 中国水产科学研究院渔业机械仪器研究所 Control circuit for solar movable water layer exchange and oxygenating device
CN105409867B (en) * 2015-11-26 2019-04-12 中国水产科学研究院渔业机械仪器研究所 A kind of control circuit for solar energy movable type water layer exchange and oxygen-increasing device
CN110301393A (en) * 2019-08-05 2019-10-08 上海海洋大学 A kind of feeding shrimp system of the recirculated water of SBR water process

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