CN102942244B - High-density aquaculture oxygenation purification method and system - Google Patents
High-density aquaculture oxygenation purification method and system Download PDFInfo
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- CN102942244B CN102942244B CN201210476687.7A CN201210476687A CN102942244B CN 102942244 B CN102942244 B CN 102942244B CN 201210476687 A CN201210476687 A CN 201210476687A CN 102942244 B CN102942244 B CN 102942244B
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Abstract
The invention discloses a high-density aquaculture oxygenation purification method and system. The method comprises the following steps of producing ozone through an ozone generator, producing singlet oxygen through a singlet oxygen generator, producing hydrogen peroxide through a hydrogen peroxide generator, respectively inputting the ozone, the singlet oxygen and the hydrogen peroxide in a gas-water mixer through a metering pump, inputting aquaculture water to be treated in an aquaculture water pipeline in the gas-water mixer through a pipeline, and conducting gas-water mixing under 3-5 barometric pressure; leading the aquaculture water after treatment of the gas-water mixer in the aquaculture water pipeline; and enabling quantity of the aquaculture water treated by the gas-water mixer to be 10-15% of the total of the aquaculture water. The high-density aquaculture oxygenation purification method and system can improve water sterilizing effects, efficiently improve water dissolved oxygen and achieve mariculture on the base of obtaining using effects of the ozone in the aquaculture industry. Through optimization design of a gas-water mixing mode, cost is substantially reduced, and oxygenation purification requirements of an aquaculture environment with high density and small water are met.
Description
Technical field
What the present invention relates to a kind of high-density aquiculture adds oxygen purification method and system, is specifically related to pond fish farming, the cultivation of industrialization closed circulation water, imitative wild cultivation and take oxygenation and the water quality optimizing method and system that the little water body of high-density is feature as fish and vegetable symbiotic cultivation etc.Belong to culture fishery technical field.
Background technology
At present, pond fish farming equipment, industrialization closed circulation water cultivation equipment and fish and vegetable symbiotic equipment applying in actual production, the working condition of the little water body of high-density is also stricter to the requirement of water quality, the oxygenation that the ozonizer of take in aquaculture industry is core and the technology of water conditioning have obtained very big concern, but the problem such as existing ozone technology exists that in water, sterilization effect is poor, generating capacity is not enough, mixing wastewater with air is unreasonable, seawater bromide is difficultly removed, the overall cost of existing apparatus is high and equipment maintenance workload is large.
Summary of the invention
For the deficiencies in the prior art, first object of the present invention is for a kind of oxygen purification method that adds of high-density aquiculture is provided, on the basis of the good result of use of existing ozone that it can be in obtaining aquaculture industry, improve sterilization effect in water, improve more expeditiously dissolved oxygen in water, realize sea farming; , by optimization design mixing wastewater with air mode, significantly reduce costs, the oxygenation that meets the culture environment of aquatic products of the little water body of high-density purifies requirement meanwhile.
Second object of the present invention is for a kind of oxygenation purification system of high-density aquiculture is provided.
First object of the present invention adopts following technical scheme:
High-density aquiculture add an oxygen purification method, it is characterized in that carrying out according to the following steps:
1) ozone being produced by ozonizer, the singlet oxygen being produced by singlet oxygen generator, the hydrogen peroxide being produced by hydrogen peroxide generator are inputted in gas-water mixer by volume pump respectively, pending aquaculture water in cultivation waterpipe is inputted in gas-water mixer by pipeline, under 3-5 normal atmosphere, carried out mixing wastewater with air; Wherein, the throughput ratio of ozone, singlet oxygen and hydrogen peroxide is 1:1:8, by under meter mixing wastewater with air ratio, is 1:10;
2) aquaculture water after gas-water mixer is processed is imported in aquaculture water pipeline again; Wherein, the cultivation water yield of processing through gas-water mixer accounts for the 10%-15% of aquaculture water inventory.
Realizing first object of the present invention can also be by taking following technical scheme to reach:
Realizing one embodiment of the present invention is: in step 1), at normal temperature condition, carry out mixing wastewater with air, mixing time is 4-10 second.
Realizing one embodiment of the present invention is: in step 1), adopt the mode of siphon or adopt recycle pump by aquaculture water input gas-water mixer pending in cultivation waterpipe, then the aquaculture water after gas-water mixer is processed is imported in aquaculture water pipeline again.
Realizing one embodiment of the present invention is: in step 1), the total flux of ozone, singlet oxygen and hydrogen peroxide be 10 cubic metres per hour, the flow of aquaculture water be 100 cubic metres per hour.
Second object of the present invention adopts following technical scheme:
An oxygenation purification system for high-density aquiculture, is characterized in that: comprise gas-water mixer, ozonizer, singlet oxygen generator, hydrogen peroxide generator and aquaculture water pipeline; Described gas-water mixer is provided with gas-water mixing cavity, the water-in being communicated with gas-water mixing cavity respectively, water outlet, the first inlet mouth, the second inlet mouth and the 3rd inlet mouth, and described gas-water mixing cavity is connected with high pressure gas e Foerderanlage; Ozonizer is communicated with the first inlet mouth of gas-water mixer by a volume pump, singlet oxygen generator is communicated with the second inlet mouth of gas-water mixer by a volume pump, and hydrogen peroxide generator is communicated with the 3rd inlet mouth of gas-water mixer by a volume pump; Aquaculture water device for cleaning pipeline is crossed water inlet pipe and is communicated with the water-in of gas-water mixer, and is communicated with the water outlet of gas-water mixer by rising pipe, and the entery and delivery port of aquaculture water pipeline is communicated with pond respectively.
Realizing second object of the present invention can also be by taking following technical scheme to reach:
Realizing one embodiment of the present invention is: described water inlet pipe is communicated with the water-in of gas-water mixer by recycle pump.
Beneficial effect of the present invention is:
1, the present invention is by ozone, singlet oxygen and hydrogen peroxide, water body is effectively purified, when significantly having promoted water quality, ensure sustainedly and stably in a large amount of oxygen dissolution water, guaranteed dissolved oxygen in water degree, thereby can increase substantially the surviving rate of aquatic products, grow up and feed absorption conversion, experimental results show that on the pool and support under condition and grow up and can at least improve 20%.
2, the invention enables aquaculture water to keep high oxygen dissolved, with tradition cultivation relatively, high oxygen dissolved can be supported larger density culture, and this sample system can increase substantially aquaculture density, and experiment shows can promote the cultivation density of 10 times under stable oxygen dissolved.
3, the present invention is by adding than the singlet oxygen of the stronger oxidation disinfection activity of ozone, and the water-borne pathogen inactivation in water, effectively resists various fungies, bacterium and the infection of virus to the ovum of aquatic products and aquatic products, BGD as sick in the bacillary gill.
4, under ozone provided by the invention, singlet oxygen and hydrogen peroxide environment, the negative impact of seawater bromide can be eased, experimental results show that and can meet freshwater aquiculture and sea farming demand, even can realize fresh water seawater in Yi Ge plant and cultivate simultaneously.
5, the present invention, by carrying out mixing wastewater with air under high pressure enclosed environment, has optimized mixing wastewater with air mode, significantly reduces costs, and the oxygenation that meets the culture environment of aquatic products of the little water body of high-density purifies requirement.Mixing wastewater with air is energy-efficient simultaneously, with respect to traditional aquaculture system is energy-conservation, reaches 90%, supports solar powered.
6, under the oxygenizement of ozone provided by the invention, singlet oxygen and hydrogen peroxide, harmful heavy metal can transfer harmless lower valency to from high valence state, significantly reduces in culture fishery incidental various heavy (zinc, copper and iron etc.) and organism gathering in water body in widely used feed.
7, the present invention adopts and under high pressure enclosed environment, carries out mixing wastewater with air, without complicated technology, adopt the simpler mixing wastewater with air efficiently of the present invention, by simple structural support up to the water oxide treatment of 100 cubic metres of discharges per hour, ensured the gas that contains enough content in processed water.
8, the present invention is 1:1:8 by controlling the throughput ratio of ozone, singlet oxygen and hydrogen peroxide, mixing wastewater with air compares 1:10, successfully proved that the method can solve in the water that existing ozone technology exists the problems such as sterilization effect is poor, generating capacity is not enough, mixing wastewater with air is unreasonable, the difficult removal of seawater bromide, experimental results show that mixing wastewater with air method of the present invention and ratio can improve sterilization effect in water greatly, only need original 1/10 ozone amount to alleviate the predicament of existing ozone generating capacity deficiency, bromide is also better removed simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of purification system of the present invention.
Embodiment
Specific embodiment 1:
Below, by reference to the accompanying drawings and embodiment, the present invention is described further:
With reference to Fig. 1, the oxygenation purification system of the high-density aquiculture described in the present embodiment, comprises gas-water mixer 1, ozonizer 2, singlet oxygen generator 3, hydrogen peroxide generator 4 and aquaculture water pipeline 5; Described gas-water mixer 1 is provided with gas-water mixing cavity 11, the water-in 12 being communicated with gas-water mixing cavity 11 respectively, water outlet 13, the first inlet mouth 14, the second inlet mouth 15 and the 3rd inlet mouth 16, and described gas-water mixing cavity 11 is connected with high pressure gas e Foerderanlage; Ozonizer 2 is communicated with the first inlet mouth 14 of gas-water mixer 1 by a volume pump 6, singlet oxygen generator 3 is communicated with the second inlet mouth 15 of gas-water mixer 1 by a volume pump 6, and hydrogen peroxide generator 4 is communicated with the 3rd inlet mouth 16 of gas-water mixer 1 by a volume pump 6; Aquaculture water pipeline 5 is communicated with the water-in of gas-water mixer 1 by water inlet pipe 51, and is communicated with the water outlet 13 of gas-water mixer 1 by rising pipe 52, and the entery and delivery port of aquaculture water pipeline 5 is communicated with pond respectively.Described water inlet pipe 51 is communicated with the water-in 12 of gas-water mixer 1 by recycle pump 7.
Described ozonizer is corona discharge type ozonizer or UV-lamp illuminaton ozonizer.Described singlet oxygen generator is a kind of device that ground state oxygen is carried out irradiation under photosensitizer effect.Described hydrogen peroxide generator is vaporized hydrogen peroxide producer.
Because native system is energy-efficient, to the energy require relatively low, except using civil power, also can use sun power, the major portion of native system adopts civil power to transfer 48V direct current supply to, certainly support by solar panels harvest energy, be converted to direct current energy, by conventional solar energy systems such as store battery and voltage stabilizing ballasts, power.
A kind of high-density aquiculture of the present invention add oxygen purification method, carry out according to the following steps:
1) ozone being produced by ozonizer, the singlet oxygen being produced by singlet oxygen generator, the hydrogen peroxide being produced by hydrogen peroxide generator are inputted in gas-water mixer by volume pump respectively, pending aquaculture water in cultivation waterpipe is inputted in gas-water mixer by pipeline, under normal temperature, a 3-5 atmospheric pressure, carry out mixing wastewater with air, mixing time is 4-10 second; Wherein, the throughput ratio of ozone, singlet oxygen and hydrogen peroxide is 1:1:8, the total flux of ozone, singlet oxygen and hydrogen peroxide be 10 cubic metres per hour, the flow of aquaculture water be 100 cubic metres per hour, mixing wastewater with air is than for 1:10;
2) aquaculture water after gas-water mixer is processed is imported in aquaculture water pipeline again; Wherein, the cultivation water yield of processing through gas-water mixer accounts for the 10%-15% of aquaculture water inventory.
In step 1), adopt recycle pump by aquaculture water input gas-water mixer pending in cultivation waterpipe, then the aquaculture water after gas-water mixer is processed is imported in aquaculture water pipeline again.
In the present embodiment, approximately 2000 cubic metres of pond water total amounts, every day is through approximately 200 cubic metres of native system treated water amounts.
Table one the experiment pool and the water quality parameter synopsis that contrasts the pool
| Time | Pond number | Water temperature (℃) | PH value | Ammonia nitrogen (mg/L) | COD（mg/L） | Transparency (cm) | Dissolved oxygen (mg/L) |
| 2 days | The test pool | 31.7 | 6.3 | 5.3 | 39 | 12 | 6.98 |
| The contrast pool | 30.7 | 6.8 | 1 | 19 | 28 | 2.8 | |
| One week | The test pool | 32.3 | 6.47 | 10.4 | 20 | 20 | 6.41 |
| The contrast pool | 31.1 | 6.7 | 1.17 | 19 | 27 | 2.19 | |
| Two weeks | The test pool | 27.3 | 6.7 | 8.5 | 15 | 30 | 6.99 |
| The contrast pool | 26.9 | 6.36 | 1.69 | 20 | 29 | 2.36 |
From table one, through actual measuring and calculating, the water quality on the test pool has obtained significantly improving, the test pool with contrast the pool and compares and increase production one times, and disease does not occur in whole observation process on the test pool, and all there is early stage death syndrome (EMS) symptom and caused the underproduction in the contrast pool and 10 pools of periphery.
Specific embodiment 2:
The feature of the present embodiment is: recycle pump is not set, but adopts siphon principle by aquaculture water input gas-water mixer pending in cultivation waterpipe, then the aquaculture water after gas-water mixer is processed is imported in aquaculture water pipeline again.Other are identical with specific embodiment 1.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.
Claims (5)
1.
high-density aquiculture add an oxygen purification method, it is characterized in that carrying out according to the following steps:
1) ozone being produced by ozonizer, the singlet oxygen being produced by singlet oxygen generator, the hydrogen peroxide being produced by hydrogen peroxide generator are inputted in gas-water mixer by volume pump respectively, pending aquaculture water in cultivation waterpipe is inputted in gas-water mixer by pipeline, under 3-5 normal atmosphere, carried out mixing wastewater with air; Wherein, the throughput ratio of ozone, singlet oxygen and hydrogen peroxide is 1:1:8, by under meter mixing wastewater with air ratio, is 1: 10;
2) aquaculture water after gas-water mixer is processed is imported in aquaculture water pipeline again; Wherein, the cultivation water yield of processing through gas-water mixer accounts for the 10%-15% of aquaculture water inventory.
2.
the oxygen purification method that adds according to a kind of high-density aquiculture described in claim 1, is characterized in that: in step 1), at normal temperature condition, carry out mixing wastewater with air, mixing time is 4-10 second.
3.
according to the oxygen purification method that adds of a kind of high-density aquiculture described in claim 1, it is characterized in that: in step 1), adopt the mode of siphon or adopt recycle pump by aquaculture water input gas-water mixer pending in cultivation waterpipe, then the aquaculture water after gas-water mixer is processed is imported in aquaculture water pipeline again.
4.
according to the oxygen purification method that adds of a kind of high-density aquiculture described in claim 1, it is characterized in that: in step 1), the total flux of ozone, singlet oxygen and hydrogen peroxide be 10 cubic metres per hour, the flow of aquaculture water be 100 cubic metres per hour.
5.
an oxygenation purification system for high-density aquiculture, is characterized in that: comprise gas-water mixer, ozonizer, singlet oxygen generator, hydrogen peroxide generator and aquaculture water pipeline; Described gas-water mixer is provided with gas-water mixing cavity, the water-in being communicated with gas-water mixing cavity respectively, water outlet, the first inlet mouth, the second inlet mouth and the 3rd inlet mouth, and described gas-water mixing cavity is connected with high pressure gas e Foerderanlage; Ozonizer is communicated with the first inlet mouth of gas-water mixer by a volume pump, singlet oxygen generator is communicated with the second inlet mouth of gas-water mixer by a volume pump, and hydrogen peroxide generator is communicated with the 3rd inlet mouth of gas-water mixer by a volume pump; Aquaculture water device for cleaning pipeline is crossed water inlet pipe and is communicated with the water-in of gas-water mixer, and is communicated with the water outlet of gas-water mixer by rising pipe, and the entery and delivery port of aquaculture water pipeline is communicated with pond respectively; Described water inlet pipe is communicated with the water-in of gas-water mixer by recycle pump.
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| CN105210977B (en) * | 2015-08-28 | 2017-09-12 | 上海理工大学 | Pond oxygenate apparatus |
| CN112931382B (en) * | 2021-02-03 | 2022-06-14 | 中国科学院水生生物研究所 | Freshwater fish temporary culture device comprehensively utilizing tail gas and cooling water of ozone generator during working |
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| JP2003047969A (en) * | 2001-08-08 | 2003-02-18 | Mitsubishi Heavy Ind Ltd | Method for sterilizing nursery water with ozone gas |
| CN102105403B (en) * | 2007-09-26 | 2013-07-24 | 公益财团法人北九州产业学术推进机构 | Process for producing water having redox activity and apparatus for producing water having redox activity |
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Denomination of invention: An oxygenation purification method and system for high density aquaculture Effective date of registration: 20210702 Granted publication date: 20140507 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU GUANGDATONG ELECTRONIC SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021980005729 |
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Denomination of invention: A Method and System for Oxygen Purification in High Density Aquaculture Effective date of registration: 20230412 Granted publication date: 20140507 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU GUANGDATONG ELECTRONIC SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2023980037880 |
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