CN103548757B - A kind of cultivating pool substrate processes system - Google Patents
A kind of cultivating pool substrate processes system Download PDFInfo
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- CN103548757B CN103548757B CN201310539763.9A CN201310539763A CN103548757B CN 103548757 B CN103548757 B CN 103548757B CN 201310539763 A CN201310539763 A CN 201310539763A CN 103548757 B CN103548757 B CN 103548757B
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Abstract
The invention discloses a kind of cultivating pool substrate and process system, middle position, described pond is provided with surge machine, it is arranged below sump at surge machine, protection lid is installed on sump top, when surge machine runs, pond waters is rotated, the substrate being dispersed in pond bottom is pooled in the sump of protection lid lower section by the centrifugal force produced, then pass through the dirty collector being connected with sump to be transported in the sequencing batch activated sludge reaction tank outside pond, described sequencing batch activated sludge reaction tank has blast aeration pipe, this external blower fan of 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 water comparatively cleaned on sequencing batch activated sludge reaction tank top is transported in pond by the return pipe being connected with delivery equipment again.
Description
Technical field
The invention belongs to pond cultivation technology field, process system particularly to a kind of cultivating pool substrate.
Background technology
Tradition breeding way is taked in most pond cultures of China, generally requires input substantial amounts of feedstuff, fertilizer in breeding process.These material major parts deposit to pond bottom by the form of fish and shrimp feces, residual bait and form substrate, owing to needing substantial amounts of oxygen in the organic material decomposition process in substrate, so that pond bottom produces anoxia and anaerobic environment, have a strong impact on the growth of Fish；Meanwhile, the nutrient such as a large amount of nitrogen phosphorus contained in substrate cannot return formation primary productivity in pond waters, causes 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, pond culture substrate and regulating and controlling water quality problem are become more concerned with by people, and it is the following breach promoting pond culture effect that substrate management technique has been regarded as by domestic and international many scholars.
At present, both at home and abroad to the predominantly organic tool desilting of the processing method of Aquacultural water bed mud, microorganism improvement, chemicals adjustment etc..The mud of water bottom is removed in machinery desilting mainly by hydraulic pond sludge scooping machine group etc., and the method cannot accomplish the recycling to bed mud Middle nutrition material；Although microbial process improves the recycling of rich nutritive material in bed mud, but due to uncontrollable microbial growth condition, its effect cannot be stablized；Although chemical method instant effect, but easily cause chemical residues, Problems existing is a lot, it is impossible to tackle the problem at its root.
Summary of the invention
It is an object of the invention to provide a kind of cultivating pool substrate and process system, be difficult to process the various problems brought solving substrate in existing pond culture.
The technical scheme is that, a kind of cultivating pool substrate processes system, and middle position, described pond is provided with surge machine, is arranged below sump at surge machine, and protection lid is installed on sump top,
When surge machine runs; pond waters is rotated; the substrate being dispersed in pond bottom is pooled in the sump of protection lid lower section by the centrifugal force produced; then pass through the dirty collector being connected with sump to be transported in the sequencing batch activated sludge reaction tank outside pond; described sequencing batch activated sludge reaction tank has blast aeration pipe; this external blower fan of 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 water comparatively cleaned on sequencing batch activated sludge reaction tank top is transported in pond by the return pipe being connected with delivery equipment again.
A kind of cultivating pool substrate processing method, installs a surge machine, is arranged below a sump at surge machine in cultivating pool middle position, and protection lid is installed on sump top,
By the operation of surge machine, being rotated by pond waters, the substrate including feces and residual bait being dispersed at the bottom of the pool is pooled in the sump of protection lid lower section by the centrifugal force of generation,
Then passing through dirt collection pipe to be transported in the sequencing batch activated sludge reaction tank outside pond, described sequencing batch activated sludge reaction tank has blast aeration pipe, this external blower fan of 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 water comparatively cleaned on sequencing batch activated sludge reaction tank top is transported in pond by the return pipe being connected with delivery equipment again, thus the waste water containing higher concentration feces and residual bait can constantly enter sequencing batch activated sludge reaction tank, and constantly concentrate
Etc. being pooled to a certain degree, sequencing batch activated sludge reaction tank stops water inlet, sequencing batch activated sludge reaction tank carries out a series of precipitation homogenize, aerated reaction, the flow processs such as secondary precipitation, the Organic substance in high concentrated organic wastewater containing feces and residual bait substrate is able to oxidation removal, wherein the top cleaning liquid of the nutrient such as rich Nitrogen-and Phosphorus-containing is promoted in return pipe through delivery equipment and returns to pond, the Organic substance precipitated then concentrates discharge, makes fertilizer for plant after mummification.
The sequencing batch activated sludge reaction tank of the present invention, is SBR pond (sequencingbatchreactoractivatedsludgeprocess is called for short SBR pond).
The present invention is directed to substrate deposition in pond and should not collect the problem collected, adopt surge machine to be arranged on pond central authorities, run, by it, the rotary water current produced and collect feces and residual bait, and eliminate the impact on collecting substrate of its hydraulic Lift by arranging top board.By adopting SBR pond, it is achieved water inlet, precipitation, Organic substance aerated reaction, secondary precipitation, strengthening nitration reaction are integrated, it is greatly saved tradition wetland and ecological pond tupe treatment effeciency is low, the shortcoming that floor space is big.The polluter maximum only for this pair water pollution of substrate is removed, and can greatly reduce water treating capacity.By SBR pond, precipitation, reaction, the selection of sedimentation time can fully realize, to nitration reaction in pond, the growth of denitrifying bacterium and metabolism, regulating and controlling controlled with regulation and control.
Accompanying drawing explanation
The horizontal layout schematic diagram of one embodiment of Fig. 1 present system.
The system of Fig. 2 present invention is for the site plan of single pond embodiment.
The site plan of embodiment when the system of Fig. 3 present invention shares for many ponds
In figure, 1 be pond, 2 be surge machine, 3 be return pipe, 4 be delivery equipment, 5 be batch-type reaction tank (SBR pond), 6 be cover plate, 7 be sump, 8 be dirt collection pipe, 9 for blast aeration pipe.
Detailed description of the invention
The bottom material of pond for breeding of the present invention is collected and is constituted with cleaning system: by square or circular cultivating pool, surge machine (dirt collection), dirt collection hole, cover sheet, dirt collection pipe, sequencing batch activated sludge pond (sequencingbatchreactoractivatedsludgeprocess is called for short SBR pond), delivery equipment, water return pipeline composition.Cultivating pool is generally 3-7 mu, installs about a 1.1KW surge machine in pond central authorities；One diameter is set at the bottom of pond immediately below surge machine and is about the dirt collection hole of about 0.5-2.0m, deeply about 0.5m；Circular cover sheet is installed at 5-10cm place at the bottom of a little higher than surrounding pool, top, hole, and cover plate diameter cheats diameter slightly larger than dirt collection；Bottom, dirt collection hole arranges UPVC pipe or corrugated tube that diameter is 200-300mm as blow-off pipe, and multiple perforation is offered on blow-off pipe top, and piercing aperture is less than material culture ectosome in pond, the gross area of all boring a hole > 1.5 times of blow-off pipe sectional area.Rotated the rotary water current produced by surge machine, drive the feces of pond bottom deposition and the substrate such as residual bait to collect to the collection mud pit below cover sheet, then pass through dirt collection pipe and be transported in the sequencing batch activated sludge pond (SBR pond) outside pond.Middle and upper part, SBR pond is provided with the delivery equipment such as axial-flow pump etc. of low lift, the water comparatively cleaned on top is transported in pond through the UPVC return pipe that diameter is 200-300mm again, thus the waste water containing higher concentration feces and residual bait can constantly enter SBR pond, and constantly concentrate, until when backwater amount reaches the 1-5% of pond waters, stop water inlet, begin at and SBR pond carries out a series of reaction.Wherein, SBR pond is by concrete or brick forms, general construction is square or circular, there is the function that connection sump, dirt collection and aeration and biological process, collect the functions such as water inlet homogenizing, primary deposition, aeration and biological degraded, secondary precipitation in a pond, do not set sludge recirculation system, bottom pond, be connected with aeration tube, run by intermittent aerating mode.Supernatant after secondary precipitation, wherein the supernatant of the nutrient such as rich Nitrogen-and Phosphorus-containing sends pond back to through water delivery device, and the Organic Sludge part of deposition is then discharged and is fabricated to fertilizer, uses as plant trees flowers.
Bottom material of pond for breeding is collected and with cleaning system operation running is: at fine noon, first turn on after surge machine is about 1h and carry out, collection mud sump summarizes portion of stool and residual bait, now open the delivery equipment such as axial-flow pump etc. in SBR pond, the water that top, SBR pond is comparatively cleaned is transported in pond through return pipe.Now, that collects in sump is just transported in sbr reactor pond through collector pipe containing feces and residual bait high-concentration sewage under hydraulic pressure, and the electrodeposition substance such as feces therein and residual bait is bottom SBR pond, and supernatant therein is pumped away.After running 2h, sbr reactor pond summarizes a large amount of high-concentration waste water.Now, stop axial-flow pump drawing water, and supply water to SBR pond by intubating stopping sump, then precipitate 4-6h, pond is formed anoxia or anaerobic environment, carry out organic initial breakdown, carry out aeration 3-4h again, the Organic substance in water body and ammonia nitrogen are carried out aerobic removal, then turns off aeration, precipitation 5-8h, period carries out the denitrification of nitrogen and removes and organic further decomposition；Then extracting SBR pond supernatant to fishpond with delivery equipment, mud is drained making fertilizer, then leave unused to next time and use in SBR pond.
The present invention, by adding the mechanical measures such as surge machine, solves traditional pond substrate and is dispersed at the bottom of the pool, completely cut off by water body, the problem that should not collect.By bottom material of pond for breeding is removed in time, the problem thoroughly solving the easy anoxia of pond bottom.Carrying out resolution process only for pool bottom environment is endangered maximum substrate, significantly reduce difficulty and the water yield of process, construction costs is low, high efficiency.SBR pond is adopted to process for the feces of high concentration and the high concentrated organic wastewater of residual bait, the reaction process such as the precipitation of waste water, aerated reaction, secondary precipitation can be realized inside a pond, with traditional activated sludge process and the purification method adopting ecological pond, artificial swamp, greatly reduce floor space, improve treatment effeciency.The supernatant of the nutrients such as rich Nitrogen-and Phosphorus-containing after process pond secondary precipitation is back to pond, improves pond primary productivity, the bottom material of pond for breeding after concentration is shone dry-cure as plant's fertilizer.The secondary achieving nutrient utilizes, and turns waste into wealth.
The applicating example of the present invention is as follows.
1, in the reform strengthening of large freshwater fish culturing pond, bottom material of pond for breeding collects the use with cleaning system
nullAs shown in Figure 1，A sump 7 is excavated in the middle position of cultivating pool 1，The deep about 0.5m of sump，Diameter is about 1-2m，At sump top about 10cm, one protection lid 6 is installed，Cap diameter is slightly larger than the diameter of sump 7，Surge machine 2 is installed in sump 7 upper water surface，Operation by surge machine 2，Water body in pond 1 is rotated，The centrifugal force produced will focus on the feces at the bottom of pond and residual bait is pooled in the sump 7 below protection lid 6，The batch-type reaction tank 5 being arranged in outside pond 1 it is transported to through dirt collection pipe 8，Through a series of water inlet，Precipitation、Through aeration tube 9 aerated reaction，Secondary precipitation，The Organic substance in high concentrated organic wastewater containing the substrate such as feces and residual bait is able to oxidation removal，Wherein the supernatant of the nutrient such as rich Nitrogen-and Phosphorus-containing is promoted in water-supply-pipe 3 through delivery equipment 4 and returns to fishpond，The Organic substance precipitated then concentrates discharge，Fertilizer is made for plant after mummification.
2, use in prawn culturing higher-place pond
Prawn high position culturing pool is generally circular in cross section or square circle of contact angle, bottom fills for the bottom of a pan, convection current is formed equipped with water-mill oxygen increasing machine near pool wall place, but pond middle body is usually hydrostatic state, cannot produce enough eddy flows makes residual feed and excreta etc. concentrate on the central authorities at the bottom of pond, generally require change in a large number water could residual for bottom bait, feces discharge.Bottom material of pond for breeding is adopted to collect and cleaning system, the residual feed and excreta of central authorities at the bottom of pond can be will focus on extract in time, alleviate and pond waters is endangered, the high concentrated organic wastewater simultaneously discharged focuses on to carry out in batch-type high concentration reaction tank purifying and decomposes, after precipitation, the supernatant of the nutrient such as rich Nitrogen-and Phosphorus-containing is back to pond and realizes rich water, the Organic substance of deposition can make fertilizer after mummification, it is achieved that recycling.
Fig. 2 is the system site plan for single pond embodiment of the present invention.Fig. 3 be the present invention system for many ponds share time embodiment site plan.In many ponds, a public bottom material of pond for breeding is collected and cleaning system, it is possible to include dirt collection pipe and the public SBR pond of return pipe by linking pipeline, to reduce cost of investment.
Claims (1)
1. a cultivating pool substrate processing method, it is characterised in that install a surge machine in cultivating pool middle position, be arranged below a sump at surge machine, protection lid is installed on sump top,
By the operation of surge machine, being rotated by pond waters, the substrate including feces and residual bait being dispersed at the bottom of the pool is pooled in the sump of protection lid lower section by the centrifugal force of generation,
Then passing through dirt collection pipe to be transported in the sequencing batch activated sludge reaction tank outside pond, described sequencing batch activated sludge reaction tank has blast aeration pipe, this external blower fan of 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 water comparatively cleaned on sequencing batch activated sludge reaction tank top is transported in pond by the return pipe being connected with delivery equipment again, thus the waste water containing higher concentration feces and residual bait can constantly enter sequencing batch activated sludge reaction tank, and constantly concentrate
Etc. being pooled to a certain degree, sequencing batch activated sludge reaction tank stops water inlet, sequencing batch activated sludge reaction tank carries out a series of precipitation homogenize, aerated reaction, secondary precipitation flow process, the Organic substance in high concentrated organic wastewater containing feces and residual bait substrate is able to oxidation removal, wherein clean liquid rich in the top of nitrogen and phosphorus element to be promoted in return pipe through delivery equipment and return to pond, the Organic substance precipitated then concentrates discharge, fertilizer is made for plant after mummification
Described cultivating pool is for the cultivation of a prawn high position, and culturing pool is circular or square circle of contact angle, and bottom is pan bottom shape, forms convection current near pool wall place equipped with water-mill oxygen increasing machine,
It is that many ponds share that cultivating pool substrate processes system, shares a sequencing batch activated sludge reaction tank by including the connection pipeline of dirt collection pipe and return pipe,
The deep 0.5m of described sump, diameter 1-2m, install a protection lid at sump top 10cm, and protection lid diameter is slightly larger than the diameter of sump.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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| CN105265348A (en) * | 2014-07-22 | 2016-01-27 | 石日福 | Fish-shrimp mixed cultivation method and 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 |
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| 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 |
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