CN103548751B - Energy-saving air-lift recirculating aquaculture fish pond system - Google Patents

Energy-saving air-lift recirculating aquaculture fish pond system Download PDF

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Publication number
CN103548751B
CN103548751B CN201310518025.6A CN201310518025A CN103548751B CN 103548751 B CN103548751 B CN 103548751B CN 201310518025 A CN201310518025 A CN 201310518025A CN 103548751 B CN103548751 B CN 103548751B
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pond
fishpond
pool
energy
height
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CN201310518025.6A
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Chinese (zh)
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CN103548751A (en
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吴凡
张成林
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中国水产科学研究院渔业机械仪器研究所
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Abstract

The invention relates to an energy-saving air-lift recirculating aquaculture fish pond system, and belongs to the technical field of aquaculture equipment. A circle or section of sewage draining pond is arranged on the periphery of a fish pond and comprises a settling pond, a precision filter pond, a biological purification pond, a disinfection pond and an air-lift pond which are sequentially arranged from front to back, water in the fish pond enters a filter pond through a drain pipe, overflows into the precision filter pond after settling and filtering, and enters the biological purification pond from the bottom after being filtered by the precision filter pond, harmful substances such as ammonia nitrogen in the water are removed by means of biological degradation, the water overflows into the disinfection pond, and the disinfected water flows back to the fish pond after oxygen enhancement by an air-lift device. The energy-saving air-lift recirculating aquaculture fish pond system is small in occupied area, compact in structure, integrated in layout, low in investment, simple, low in aquaculture cost, excellent in water treatment effect and beneficial to popularization, and aquaculture scale and efficiency are improved.

Description

A kind of energy-saving gas stripping type circulating water cultivation fishpond system
Technical field
The present invention relates to a kind of energy-saving gas stripping type circulating water cultivation fishpond system, belong to technical field of aquaculture equipment.
Background technology
China is an aquaculture big country, is the important supply place of World Water product, but utilizes the extensive breeding way of the tradition of scale enlargement to face many-sided immense pressures such as environment, policy, society at present.Therefore, extensively promote there is water saving, economize, environmentally friendly circulating water culture system has positive effect.Present stage, circulating water culture system can be divided into the technology path that two have notable difference substantially, one is high integrated circulating water cultivation pattern, it mainly obtains good water quality by various water treatment facilities, reduced the labour intensity of personnel by automation installation, carry out real-time feedback system ruuning situation by high-precision water quality monitoring system.But, the investment needed for this height integrated circulating water cultivation pattern and operating cost higher, thus considerably increase aquaculture cost, cause popularization to be obstructed; Two is economical circulating water cultivation patterns, mainly to simplify water treatment facilities, adopts simple processing mode to obtain higher economic benefit.But the energy resource consumption of this economical circulating water cultivation pattern is large, and such as power supply, water source etc., efficiency is low, and water treatment efficiency is not fine.
Therefore, the research application of economical circulating water cultivation pattern has become current new study hotspot, for circulating water cultivation technology is combined with the ecological purification technology of through engineering approaches, by improving water treatment procedure, water treatment facilities are simplified on the basis ensureing water treatment efficiency, makes up the deficiency of economical circulating water cultivation pattern.
Summary of the invention
The technical problem that the present invention solves is: the configuration structure providing a kind of circulating water cultivation fishpond system, reach that the energy resource consumption overcome in circulating water culture system is large, cost is high, water treatment efficiency is not good, water surface for aquaculture area and the low problem of water treatment water surface area ratio.
Object of the present invention is realized by following technical scheme.
A kind of energy-saving gas stripping type circulating water cultivation fishpond system, is characterized in that:
Arrange a circle or one section of blowdown treatment pond at the periphery in fishpond 1, described blowdown treatment pond is followed successively by sedimentation basin 4, smart filtering ponds 5, biological purifying tank 8, sterilization pool 11 and air lift pond 16 from front to back;
Pool wall height between described sedimentation basin 4 and smart filtering ponds 5 is lower than the height of water level in fishpond 1;
Gap is had bottom pool wall between described smart filtering ponds 5 and biological purifying tank 8;
Pool wall height between described biological purifying tank 8 and sterilization pool 11 is lower than the height of water level in fishpond 1;
Gap is had bottom pool wall between described sterilization pool 11 and described air lift pond 16;
The discharge outlet of described fishpond 1 bottom center is switched to bottom sedimentation basin 4 through drainpipe 2, vertical intubate 7 is connected in the end of drainpipe 2, the outlet height of intubate 7 is lower than the height of water level in fishpond 1, and the periphery of intubate 7 is nested with circular pipe type mozzle 3 and forms perpendicular stream settling vessel;
Three-dimension web-like media 6 is provided with in described smart filtering ponds 5;
Oxygenation aeration pipe 15 is set bottom described biological purifying tank 8, at oxygenation aeration pipe 15 top configuration 3 D elastic filler 12;
Above described sterilization pool 11 pool wall gap, ultraviolet sterilization device 14 and filter cotton 13 are set from lower to upper;
In described air lift pond 16, be provided with air-lift device 10 and low-lift pump 9, outlet passes in described fishpond 1.
Wherein, the gap width bottom the pool wall between described smart filtering ponds 5 and biological purifying tank 8 is 0.2-0.3 rice.
Wherein, the bottom of described smart filtering ponds 5 is provided with grille frame, and described three-dimension web-like media 6 is placed in described grille frame.
Wherein, the material of the three-dimension web-like media 6 in described smart filtering ponds 5 is polypropylene.
Wherein, described filter cotton 13 be that synthetic fibers filter cotton, non-woven fabrics filter cotton, glass fiber filter are cotton, activated carbon filtration cotton in the combination of one or more.
Wherein, described 3 D elastic filler 12 is suspended in biological purifying tank 8, and this 3 D elastic filler is made up of axial cord and strand, and the length of strand is 20-25cm.
Wherein, the pool wall bottom gap width between described sterilization pool 11 and described air lift pond 16 is 0.2-0.3 rice.
Wherein, the bottom in described fishpond 1, sedimentation basin 4, smart filtering ponds 5, biological purifying tank 8, sterilization pool 11 and air lift pond 16 is equipped with sewage draining exit.
Wherein, on the mozzle 3 forming described perpendicular stream settling vessel, open height is lower than the height of water level in fishpond 1.
Water in fishpond 1 enters in filtering ponds 4 by drainpipe 2, after precipitation, filtration, overflow enters in smart filtering ponds 5, after the further filtration of smart filtering ponds 5, water enters biological purifying tank 8 from bottom, after the harmful substances such as the ammonia nitrogen in biological degradation removal water, water overflow enters in sterilization pool 11, water after sterilizing enters in air lift pond 16 from the bottom of sterilization pool 11, finally process water by flowing back in fishpond 1 after air-lift device oxygenation, thus realizing the treatment step such as circulation, filter tank, sterilization of whole water treatment system, water treatment efficiency is good.
Beneficial effect of the present invention is:
1, described energy-saving gas stripping type circulating water cultivation fishpond system footprint is few, compact conformation, and integrated configuration, improves cultivation scale and efficiency, also effectively improves water surface for aquaculture area and water treatment water surface area ratio simultaneously.
2, the investment of described energy-saving gas stripping type circulating water cultivation fishpond system is little, and equipment is simple, and aquaculture cost is low, is conducive to promoting the use of of this system.
3, the bottom of the unit of the blowdown treatment pond of described energy-saving gas stripping type circulating water cultivation fishpond system all offers sewage draining exit, can independent blowdown, so by timing, concentrated blowdown mode, the collection of solid matter can be carried out, secondary utilizes, and can reduce environmental pollution again can be cost-saving.
4, adopt this circulating water cultivation fishpond system, by the water in fishpond through precipitation, filter, the step such as biological cleaning and sterilization processes, water treatment efficiency is good, and economy, environmental protection.
5, between each functional pool, utilize pool wall height poor lower than the height of water level in fishpond, utilize the pressure differential feature having Interstitial Water bottom pool wall, natural flow in succession, eliminate power conveying at different levels, saved the energy.Also be provided with the front and back position of each functional pool for this reason uniquely, there is obvious novelty and creativeness.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic top plan view of the present invention's energy-saving gas stripping type circulating water cultivation fishpond system.
Fig. 2 is the interior schematic diagram of the blowdown treatment pond being arranged on fishpond periphery, is observed by horizontal direction.
Fig. 3 is the process chart of energy-saving gas stripping type circulating water cultivation fishpond of the present invention system.
1 is fishpond, and 2 is drainpipes, and 3 is mozzles, 4 is sedimentation basins, and 5 is smart filtering ponds, and 6 is three-dimension web-like media, 7 is intubate, and 8 is biological purifying tanks, and 9 is low-lift pumps, 10 is air-lift devices, and 11 is sterilization pools, and 12 is 3 D elastic fillers, 13 is filter cottons, 14 is ultraviolet sterilization devices, and 15 is oxygenation aeration pipes, and 16 is air lift ponds.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described.
As shown in Figure 1, Figure 2 and Figure 3, arrange one section of blowdown treatment pond at the periphery in fishpond 1, described blowdown treatment pond is followed successively by sedimentation basin 4, smart filtering ponds 5, biological purifying tank 8, sterilization pool 11 and air lift pond 16 from front to back.
Pool wall height between described sedimentation basin 4 and smart filtering ponds 5 is lower than the height of water level in fishpond 1; Described fishpond 1 bottom center is provided with discharge outlet, this discharge outlet is switched to bottom sedimentation basin 4 by drainpipe 2, vertical intubate 7 is connected in the end of drainpipe 2, and the outlet height of intubate 7 is lower than the height of water level in fishpond 1, and the periphery of intubate 7 is nested with circular pipe type mozzle 3 and forms perpendicular stream settling vessel.Preferably, on the mozzle 3 forming described perpendicular stream settling vessel, open height is lower than the height of water level in fishpond 1.When the water in fishpond 1 is disposed in sedimentation basin 4 from drainpipe 2, the bulky grain thing in water is precipitated to bottom in sedimentation basin 4, and the bottom of sedimentation basin 4 is provided with sewage draining exit, regularly discharges by this sewage draining exit.Water overflow after sedimentation and filtration enters in smart filtering ponds 5.
Have gap bottom pool wall between described smart filtering ponds 5 and biological purifying tank 8, gap width is 0.2-0.3 rice, and the water after essence filtration enters biological purifying tank 8 from bottom.Be provided with grille frame in the bottom of these smart filtering ponds 5, being placed with material in this grille frame is polyacrylic three-dimension web-like media 6, in order to retain finely ground particles and to carry out preliminary biological cleaning.Be provided with sewage draining exit in the bottom of smart filtering ponds, the dirt in pond can be arranged outward by sewage draining exit.
Pool wall height between described biological purifying tank 8 and sterilization pool 11 is lower than the height of water level in fishpond 1; Bottom described biological purifying tank 8, oxygenation aeration pipe 15 is set, at oxygenation aeration pipe 15 top configuration 3 D elastic filler 12, this 3 D elastic filler 12 is suspended on the top of biological purifying tank 8, and this 3 D elastic filler is made up of axial cord and strand, and the length of strand is 20cm.By biodegradable mode, effectively can remove the harmful substances such as the ammonia nitrogen in water, the water overflow through biological cleaning and oxygenation enters in sterilization pool 11.
Pool wall bottom gap width between described sterilization pool 11 and described air lift pond 16 is 0.2-0.3 rice, and the water after sterilised filtration enters air lift pond 16 from bottom.The top in the pool wall gap of described sterilization pool 11 arranges ultraviolet sterilization device 14 and filter cotton 13 from lower to upper, this filter cotton 13 is that synthetic fibers filter cotton, non-woven fabrics filter cotton, glass fiber filter are cotton, activated carbon filtration cotton in the combination of one or more, water further can be filtered and sterilize, meet the water quality requirement needed for fish of raising in fishpond 1 completely.The bottom of described sterilization pool 11 is provided with sewage draining exit separately, for the discharge of filtrate.
In described air lift pond 16, be provided with air-lift device 10 and low-lift pump 9, outlet passes in described fishpond 1.Water in air lift pond 16 enters in fishpond 1 after air-lift device, can realize whole water treatment system circulation, effective economize energy.If need concentrated blowdown, low-lift pump 9 can be opened, strengthen water circulation amount, improve water treatment capacity.The bottom in air lift pond is also provided with sewage draining exit, can for the discharge of dirt in pond.
Above-mentioned energy-saving gas stripping type circulating water cultivation fishpond system, by integrated configuration, compact conformation, makes full use of room surface space, improves water surface for aquaculture area and water treatment water surface area ratio; Adopt stripping regime to realize water circulation, effective economize energy, form a kind of energy-conservation, efficient, low cost, be easy to the Novel cultivation system applied.

Claims (6)

1. an energy-saving gas stripping type circulating water cultivation fishpond system, is characterized in that:
Arrange a circle or one section of blowdown treatment pond at the periphery of fishpond (1), described blowdown treatment pond is followed successively by sedimentation basin (4), smart filtering ponds (5), biological purifying tank (8), sterilization pool (11) and air lift pond (16) from front to back;
Pool wall height between described sedimentation basin (4) and smart filtering ponds (5) is lower than the height of water level of fishpond (1);
Have gap bottom pool wall between described smart filtering ponds (5) and biological purifying tank (8), this gap width is 0.2-0.3 rice;
Pool wall height between described biological purifying tank (8) and sterilization pool (11) is lower than the height of water level of fishpond (1);
Have gap bottom pool wall between described sterilization pool (11) and described air lift pond (16), this gap width is 0.2-0.3 rice;
The discharge outlet of described fishpond (1) bottom center is switched to sedimentation basin (4) bottom through drainpipe (2), vertical intubate (7) is connected in the end of drainpipe (2), the outlet height of intubate (7) is lower than the height of water level of fishpond (1), and the periphery of intubate (7) is nested with circular pipe type mozzle (3) and forms perpendicular stream settling vessel; The upper open height of described mozzle (3) is lower than the height of water level of fishpond (1);
Three-dimension web-like media (6) is provided with in described smart filtering ponds (5);
In described biological purifying tank (8) bottom, oxygenation aeration pipe (15) is set, on oxygenation aeration pipe (15) top configuration 3 D elastic filler (12);
Ultraviolet sterilization device (14) and filter cotton (13) are set from lower to upper in the top in described sterilization pool (11) pool wall gap;
In described air lift pond (16), be provided with air-lift device (10) and low-lift pump (9), outlet passes in described fishpond (1).
2. energy-saving gas stripping type circulating water cultivation fishpond according to claim 1 system, is characterized in that: the bottom of described smart filtering ponds (5) is provided with grille frame, and described three-dimension web-like media (6) is placed in described grille frame.
3. energy-saving gas stripping type circulating water cultivation fishpond according to claim 1 and 2 system, is characterized in that: the material of the three-dimension web-like media (6) in described smart filtering ponds (5) is polypropylene.
4. energy-saving gas stripping type circulating water cultivation fishpond according to claim 1 system, is characterized in that: described filter cotton (13) is synthetic fibers filter cotton, non-woven fabrics filter cotton, glass fiber filter are cotton, activated carbon filtration cotton in the combination of one or more.
5. energy-saving gas stripping type circulating water cultivation fishpond according to claim 1 system, it is characterized in that: described 3 D elastic filler (12) is suspended in biological purifying tank (8), this 3 D elastic filler is made up of axial cord and strand, and the length of strand is 20-25cm.
6. energy-saving gas stripping type circulating water cultivation fishpond according to claim 1 system, is characterized in that: the bottom of described fishpond (1), sedimentation basin (4), smart filtering ponds (5), biological purifying tank (8), sterilization pool (11) and air lift pond (16) is equipped with sewage draining exit.
CN201310518025.6A 2013-10-28 2013-10-28 Energy-saving air-lift recirculating aquaculture fish pond system CN103548751B (en)

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CN108967326A (en) * 2018-09-12 2018-12-11 中国水产科学研究院渔业机械仪器研究所 Energy saving cyclic water cultivating system and its circulating water cultivation method

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