CN102499166A - Energy-saving industrial recirculating aquaculture system and method for operating same - Google Patents
Energy-saving industrial recirculating aquaculture system and method for operating same Download PDFInfo
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- CN102499166A CN102499166A CN2011103323468A CN201110332346A CN102499166A CN 102499166 A CN102499166 A CN 102499166A CN 2011103323468 A CN2011103323468 A CN 2011103323468A CN 201110332346 A CN201110332346 A CN 201110332346A CN 102499166 A CN102499166 A CN 102499166A
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Abstract
The invention relates to an industrial culture system and a method for operating the same, in particular to an energy-saving industrial recirculating aquaculture system. A fish pond (1) is connected in parallel with a cycle A and a cycle B through a pipeline (2), wherein water flows from the fish pond (1) and back to the fish pond (1) through the cycle A and the cycle B. In the cycle A, water in the fish pond (1) sequentially flows through an adjustment pond (3), a low-flow variable frequency water pump (4) and a biological filtration tower (5) by the aid of the pipeline (2) and flows back to the fish pond (1). In the cycle B, the water in the fish pond (1) sequentially flows through a hydraulic separator (11), a drum microstrainer (10), a high-flow variable frequency water pump (9), a moving bed (8), a degassing tower (7) and a multi-nozzle spray aerator (6) by the aid of the pipeline (2) and flows back to the fish pond (1). With energy-saving industrial recirculating aquaculture system and by the method, energy saving effect can be achieved and improved.
Description
Technical field
The present invention relates to a kind of industrial aquaculture system and method for operating thereof, specifically relate to produce and to improve a kind of industrial circulating water cultivating system and the method for operating thereof of energy-saving effect.
Background technology
Industrial circulating water cultivating system is a kind of enclosed aquaculture model, and for the fish of guaranteeing to live in the system have suitable living environment, water body need be through recycle behind water treatment facilities removal or the conversion pollutant.The state and the concentration of the treatment effect of water treatment facilities and water circulation rate size, water pollutant are relevant, and the latter is the growth along with fish self, and factor change such as daily metabolism situation.
The subject matter that present industrial circulating water cultivating pattern exists is, circulation generally is that the fish body specification with final listing is to consider to design, in case build up, from start to finish all according to a fixing water circulation rate, handle load operation.Do not reach best water treatment effect, and power consumption is high, operating cost is big.
1. from the whole culture-cycle, along with the growth of fish, cultivation density and the throwing amount of raising are all increasing gradually, and the water pollution degree is lighter early stage in breed, and the later stage increases the weight of; Hydraulic load is less early stage, and the later stage becomes big.
2. from the metabolism situation of every day, most of fishes carry out defecation in 1-3 hour after throwing something and feeding, and residual bait, fish excrement increase the pollution of water body suddenly during defecation, and hydraulic load increases rapidly.
3. from fish excrement form, when the primary raw material of protein in the feed formula changed, the defecation form of fish excrement was different, and then different to the pollution condition of water body.Show that according to nearest this experimental result of being carried out throw something and feed when being the feed of protein primary raw material with the fish meal, 54% is less relatively suspended particulate in the fish excrement, 46% is relatively large deposit seed; Throw something and feed when being the feed of protein primary raw material with the beans, have 40% to be suspended particulate in the fish excrement, 60% is deposit seed.
Therefore, present industrial circulating water cultivating pattern does not design to above concrete condition, exists culture efficiency poor, shortcomings such as energy consumption height.
Summary of the invention
The present invention intends provides a kind of energy-saving industrial circulating water cultivating system and method for operating thereof, overcomes power consumption height in the prior art to reach, and cycle water is poor, is unfavorable for the purpose of defectives such as fish culture.
A kind of energy-saving industrial circulating water cultivating system is characterized in that:
The fishpond is flowed back in parallelly connected by the road A circulation in fishpond and B circulation again;
Said A circulation is: the fishpond is flowed back to through regulating reservoir, low discharge variable frequency pump and biological filtering tower combined working successively again by pipeline in said fishpond;
Said B circulation is: the fishpond is flowed back to through hydroseparator, rotary drum Microfilter, big flow variable frequency pump, moving bed, degassing tower and multiple gun head spray oxygen-increasing device successively again by pipeline in said fishpond.
Further, the power of said big flow variable frequency pump be low discharge variable frequency pump power 1.7-2.3 doubly.
A kind of method of operating of energy-saving industrial circulating water cultivating system is characterized in that:
A. culture early stage: current only flow back to the fishpond through the A circulation, use the circular flow of low discharge variable frequency pump;
B. culture the later stage: current only flow back to the fishpond through the B circulation, use the circular flow of big flow variable frequency pump;
C. throw every day and raise in the back 1 to 3 hour: current flow back to the fishpond through A, B two circulations simultaneously, open low discharge variable frequency pump and big flow variable frequency pump simultaneously.
Further, when opening low discharge variable frequency pump and big flow variable frequency pump at the same time, two water pumps are done the flow fine setting, guarantee that two-way operates steadily simultaneously.
Technology path: flow one little one big two variable frequency pumps are set in system, and little water pump is positioned at the A road, and big water pump is positioned at the B road.The parallel connection of A, B two-way is provided with, as required, open wherein one the tunnel or two-way turn round simultaneously, concrete grammar is:
1. culturing early stage, water pollution is less, and the fish oxygen demand is lower, and particle concentration is lower, particle diameter is less, and water circulation is only walked the A road, uses the water pump circular flow than low discharge, is equipped with the water treatment facilities that are applicable to low concentration small particles of pollution thing.
2. culturing the later stage, the fish oxygen demand increases, and particle concentration increases, particle diameter becomes big, and water circulation is only walked the B road, uses the water pump circular flow of big flow, is equipped with the water treatment facilities that are applicable to high concentration bulky grain pollutant.
3. in 1 to 3 hour, water circulation was walked A, B two-way simultaneously after every day, throwing was raised, and two water pumps and all water treatment facilities move simultaneously.Wherein, as required, the variable frequency pump of two different flows can be done the flow fine setting among a small circle, guarantee when two-way moves simultaneously more steady.
Culture early stage, the particle total amount is few, and major part is granule, need not pretreating process, is directly removed by biological filtering tower combined working.
Culture the later stage, the particle total amount increases, and the rising of bulky grain thing ratio, and therefore earlier by the hydroseparator preliminary treatment, the back is by the bulk processing of rotary drum Microfilter.
Degassing tower in the B circulation and multiple gun head spray oxygen-increasing device be used for to the fishpond carbon dioxide removal with increase oxygen, the gas concentration lwevel of system and oxygen demand are continuous growth and pollutant levels rising and the increases that is accompanied by fish:
A) culture early stage, system's oxygen demand is low, and gas concentration lwevel is low in the water, need not extra degassing oxygenation.
B) culture the later stage, system's oxygen demand increases, and only depends on the oxygen that dissolves in the air to survive, and the gas concentration lwevel height needs in the water, needs degassing oxygenation.
The A circulation: the fishpond is from flowing into regulating reservoir, and the oxygenation of regulating reservoir air aeration is drawn water with less pump in the pond, sends into biological filtering tower combined working, biological filtering tower combined working.。
The B circulation: water body utilizes centrifugation to remove the larger particles more than the 100 μ m through hydroseparator earlier; After the rotary drum Microfilter is removed the particle of 60-100 μ m; Draw water with big pump afterwards; Send into moving bed and carry out biofiltration, pass through the degassing tower carbon dioxide removal afterwards, spray oxygen-increasing device oxygenation through the multiple gun head.
In sum, though the present invention is embodied as a covering device system, possessed the processing capacity that adapts to needs in the multiple breed state.
Advantage of the present invention also promptly overcomes and changes shortcoming or the weak point that exists in the prior art:
1. change system's operational mode of single water circulation rate from start to finish, adopt the operational mode of multistage water circulation rate, promptly in a system, can realize several kinds of water circulation rate, adjust according to the size of hydraulic load.
2. according to the water treatment facilities of different internal circulating load matched combined different characteristics, water circulation rate and water treatment facilities are comparatively mated.
3. according to actual needs water pump and water treatment facilities are made up use, improve usage ratio of equipment, when improving the water treatment effect power consumption is obviously descended, to realize reducing the purpose of operating cost.The present invention is under the prerequisite that does not influence the normal operation of system basically, and the effect that reduces power consumption, reduction operating cost is tangible.Culturing first half, can reduce power consumption 50%-60% approximately; Culturing latter half, can reduce power consumption 22%-30% approximately.
Description of drawings
Fig. 1 is the overall arrangement figure of the energy-saving industrial circulating water cultivating system of the present invention.
Shown in the figure: the 1st, fishpond, the 2nd, pipeline, the 3rd, regulating reservoir, the 4th, low discharge variable frequency pump, the 5th, biological filtering tower combined working, the 6th, multiple gun head spray oxygen-increasing device, the 7th, degassing tower, the 8th, moving bed, the 9th, big flow variable frequency pump, the 10th, rotary drum Microfilter, the 11st, hydroseparator.
Embodiment
Consult accompanying drawing, the present invention is described further.
A kind of energy-saving industrial circulating water cultivating system,
Fishpond 1 is flowed back in fishpond 12 parallelly connected A circulations by the road and B circulation again;
Said A circulation is: fishpond 1 is flowed back to through regulating reservoir 3, low discharge variable frequency pump 4 and biological filtering tower combined working 5 successively again by pipeline 2 in said fishpond 1;
Said B circulation is: fishpond 1 is flowed back to through hydroseparator 11, rotary drum Microfilter 10, big flow variable frequency pump 9, moving bed 8, degassing tower 7 and multiple gun head spray oxygen-increasing device 6 successively again by pipeline 2 in said fishpond 1.
The power of said big flow variable frequency pump 9 is 1.7-2.3 times of low discharge variable frequency pump 4 power.According to calculating and actual tests, the power of two water pumps can reach water pump is carried out the flow fine setting in aforementioned proportion, guarantees the requirement that two-way operates steadily simultaneously.
A kind of method of operating of energy-saving industrial circulating water cultivating system:
A. culture early stage: current only flow back to fishpond 1 through the A circulation, use 4 circular flows of low discharge variable frequency pump;
B. culture the later stage: current only flow back to the fishpond through the B circulation, use big flow variable frequency pump 9 circular flows;
C. throw every day and raise in the back 1 to 3 hour: current flow back to the fishpond through A, B two circulations simultaneously, open low discharge variable frequency pump 4 and big flow variable frequency pump 9 simultaneously.
When opening low discharge variable frequency pump 4 and big flow variable frequency pump 9 at the same time, two water pumps are done the flow fine setting, guarantee that two-way operates steadily simultaneously, realize the object of the invention.
Claims (4)
1. energy-saving industrial circulating water cultivating system is characterized in that:
Fishpond (1) is flowed back in fishpond (1) (2) parallelly connected A circulation by the road and B circulation again;
Said A circulation is: fishpond (1) is flowed back to through regulating reservoir (3), low discharge variable frequency pump (4) and biological filtering tower combined working (5) successively again by pipeline (2) in said fishpond (1);
Said B circulation is: fishpond (1) is flowed back to through hydroseparator (11), rotary drum Microfilter (10), big flow variable frequency pump (9), moving bed (8), degassing tower (7) and multiple gun head spray oxygen-increasing device (6) successively again by pipeline (2) in said fishpond (1).
2. according to the said energy-saving industrial circulating water cultivating device of claim 1, the power that it is characterized in that said big flow variable frequency pump (9) is 1.7-2.3 times of low discharge variable frequency pump (4) power.
3. method of operating according to the said energy-saving industrial circulating water cultivating system of claim 1 is characterized in that:
A. culture early stage: current only flow back to fishpond (1) through the A circulation, use low discharge variable frequency pump (4) circular flow;
B. culture the later stage: current only flow back to the fishpond through the B circulation, use big flow variable frequency pump (9) circular flow;
C. throw every day and raise in the back 1 to 3 hour: current flow back to the fishpond through A, B two circulations simultaneously, open low discharge variable frequency pump (4) and flow variable frequency pump (9) greatly simultaneously.
4. according to the method for operating of the said energy-saving industrial circulating water cultivating device of claim 3, when it is characterized in that opening at the same time low discharge variable frequency pump (4) and big flow variable frequency pump (9), two water pumps are done the flow fine setting, guarantee that two-way operates steadily simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110332346 CN102499166B (en) | 2011-10-27 | 2011-10-27 | Energy-saving industrial recirculating aquaculture system and method for operating same |
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| CN 201110332346 CN102499166B (en) | 2011-10-27 | 2011-10-27 | Energy-saving industrial recirculating aquaculture system and method for operating same |
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| CN102499166A true CN102499166A (en) | 2012-06-20 |
| CN102499166B CN102499166B (en) | 2013-05-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165702A (en) * | 2015-10-19 | 2015-12-23 | 中国水产科学研究院渔业机械仪器研究所 | Warm water fish modular cultivation system suitable for being used in arid regions |
| EP3202260A1 (en) * | 2016-02-02 | 2017-08-09 | Veolia Water Solutions & Technologies Support | Method for treating circulating water in closed loop installations |
| WO2019006567A1 (en) * | 2017-07-04 | 2019-01-10 | Bronstein Garin Guillermo Octavio | System for treating and recirculating water for restoring the quality of the water to optimum levels in fish farming pens in fresh water or salt water |
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| US5961831A (en) * | 1996-06-24 | 1999-10-05 | Board Of Regents, The University Of Texas System | Automated closed recirculating aquaculture filtration system and method |
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| CN2430021Y (en) * | 2000-01-29 | 2001-05-16 | 黄培伟 | Closed loop aquatic product cultivating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105165702A (en) * | 2015-10-19 | 2015-12-23 | 中国水产科学研究院渔业机械仪器研究所 | Warm water fish modular cultivation system suitable for being used in arid regions |
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| WO2017133842A1 (en) * | 2016-02-02 | 2017-08-10 | Veolia Water Solutions Technologies Support | Method of processing circulating water in circulation systems |
| WO2019006567A1 (en) * | 2017-07-04 | 2019-01-10 | Bronstein Garin Guillermo Octavio | System for treating and recirculating water for restoring the quality of the water to optimum levels in fish farming pens in fresh water or salt water |
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| CN102499166B (en) | 2013-05-01 |
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