CN103253830B - Biological pollution control method for industrial aquaculture wastewater - Google Patents
Biological pollution control method for industrial aquaculture wastewater Download PDFInfo
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- CN103253830B CN103253830B CN201310208756.0A CN201310208756A CN103253830B CN 103253830 B CN103253830 B CN 103253830B CN 201310208756 A CN201310208756 A CN 201310208756A CN 103253830 B CN103253830 B CN 103253830B
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- tank body
- ozone
- spreading disk
- described tank
- micropore air
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Abstract
The invention discloses a kind of Biological pollution control method for industrial aquaculture wastewater, comprise tank body, wherein: bottom tank inner chamber, be provided with micropore air-spreading disk; Dispersion cone is provided with above micropore air-spreading disk; Tank inner chamber near top is provided with spray header; Run through near tank base and be provided with circulation tube; Circulation tube pipeline after water pump is connected with the return line being located at tank body near middle; Return line stretches in tank body, and is opened on the top of dispersion cone downwards; The sensor assembly being provided with and can detecting water quality is also run through in tank body; Tank body top is also provided with exhaust port; The side of tank body is provided with rising pipe.The advantage that the present invention has novel structure, biological pollution is removed thoroughly, processing speed is fast, use cost is cheap, security is good, environmental stress is little, ozone usage is low, ozone residual quantity is little.
Description
Technical field
The present invention relates to intensive culture to give up water purification method, particularly relate to Biological pollution control method for industrial aquaculture wastewater.
Background technology
Recirculating aquaculture system core concept is based on brine disposal and system control technique, builds pure and stable water body environment, simulates the natural ocean environment that all kinds of marine products are interdependent, makes it breed growth according to the mode of letting nature take its course most.As, as Chinese invention patent " a kind of industrialization ecological treatment circulation utilization system for fish culture waste water ", the patent No. 200810008753.1, this system comprises: circulating water treatment facility, the equipment such as fishpond, super Axial-Flow Pumps with Low Head, jet aeration oxygenation facility, foam separation facility, supplied with pure oxygen device, temperature control facility, artificial swamp; Open large discharge supply canal, backwater canal is adopted to replace closed conduit.Foam separation facility is adopted to substitute Protein Skimmer; Deep-well temperature control facility is adopted to substitute heating, cooling equipment; Adopt jet aeration oxygenation facility to substitute oxygenating machine, gas stone and tracheae, adopt artificial swamp waterplant and economic filtrate to substitute the purification filtering equipment such as solid-liquid separation.But the modes such as prior art many employings microbially decontaminate, natural aeration, speed is slow, be subject to the such environmental effects such as temperature, illumination, and poor to extreme condition tolerance, and comparatively expends space, volume greatly, and thus limiting factor is more, unfavorable popularization.
Summary of the invention
The object of the invention is to the Biological pollution control method for industrial aquaculture wastewater providing a kind of novel structure for prior art, biological pollution is removed thoroughly, processing speed is fast, use cost is cheap, security is good, environmental stress is little, ozone usage is low, ozone residual quantity is little.
The present invention solves the problems of the technologies described above adopted technical scheme: Biological pollution control method for industrial aquaculture wastewater, and it comprises the steps: A) sudden and violent gas tank process; B) wetland variation;
Sudden and violent gas tank is treated to and breeding wastewater is passed into sudden and violent gas tank processes; Sudden and violent gas tank comprises tank body, is provided with micropore air-spreading disk bottom tank inner chamber; Dispersion cone is provided with above micropore air-spreading disk; Tank inner chamber near top is provided with spray header; Run through near tank base and be provided with circulation tube; Circulation tube pipeline after water pump is connected with the return line being located at tank body near middle; Return line stretches in tank body, and is opened on the top of dispersion cone downwards; The sensor assembly being provided with and can detecting water quality is also run through in tank body; Tank body top is also provided with exhaust port; The side of tank body is provided with rising pipe; Breeding wastewater through sudden and violent gas tank process enters artificial swamp.Breeding wastewater is usually containing hatching or ovum, anerobe, rich nutritive material, residual bait, fishing medicine, parasite etc. for hatching, and composition is quite complicated.It is cause bay biotic population structural changes huge that breeding wastewater is directly arranged its maximum harm outward.Such as breed the nursery factory of predacious fish, the ovum or the nursery that have a large amount of predacious fish outside during row enter natural water, cause great distortion in a short time to ecosystem structure.Therefore by these breeding wastewaters through inner chamber of the present invention, discharge a large amount of ozone through micropore air-spreading disk, kill the fish-egg in breeding wastewater, fry and microorganism, can available protecting coastal ecology environment.In addition, sensor assembly is for detecting the ozone concn in water body, but ozone concn is lower, when can not reach the concentration killing biology, then again open by automatic control mode the valve being communicated with micropore air-spreading disk and increase ozone concn, when ozone concn is higher than when killing biological concentration, closes ozone valve, avoid ozone to discharge always and cause unnecessary waste.When ozone concn is moderate, then switch on the pump, fully mix ozone and breeding wastewater through dispersion cone, reach the object evenly killed.Exhaust port, for balancing inner and outer air pressure, prevents internal pressure excessive.Through sudden and violent gas tank process breeding wastewater through artificial swamp absorption after, remove remaining ozone, then could be harmless enter sea area.
The optimization means taked comprises: all right sensed water level of sensor assembly; Micropore air-spreading disk is connected with gas meter; Spray header is connected with liquid meter; Tank base is provided with blow-off pipe.Automatic sensed water level parameter estimates ozone concn with being coupled of gas meter parameter, and by the ozone concn of this estimation compared with the ozone concn detected, with the organic waste content of evaluation process breeding wastewater, is convenient to further decision-making.
Tank body top is provided with top manhole; Liquidometer is provided with near tank body top-side; Also overflow port is provided with near tank body top-side.Protruded packing is provided with near on the downside of spray header.Protruded packing can be convenient to when breeding wastewater sprays downwards mix with the ozone at gaseous phase, shortens treatment time of water.
Due to Biological pollution control method for industrial aquaculture wastewater of the present invention, have employed bottom tank inner chamber and be provided with micropore air-spreading disk; Dispersion cone is provided with above micropore air-spreading disk; Tank inner chamber near top is provided with spray header; Run through near tank base and be provided with circulation tube; Circulation tube pipeline after water pump is connected with the return line being located at tank body near middle; Return line stretches in tank body, and is opened on the top of dispersion cone downwards; The sensor assembly being provided with and can detecting water quality is also run through in tank body; Tank body top is also provided with exhaust port; The side of tank body is provided with rising pipe.Discharge a large amount of ozone through micropore air-spreading disk, kill the fish-egg in breeding wastewater, fry and microorganism, can available protecting coastal ecology environment.In addition, sensor assembly is for detecting the ozone concn in water body, but ozone concn is lower, when can not reach the concentration killing biology, then again open by automatic control mode the valve being communicated with micropore air-spreading disk and increase ozone concn, when ozone concn is higher than when killing biological concentration, closes ozone valve, avoid ozone to discharge always and cause unnecessary waste.When ozone concn is moderate, then switch on the pump, fully mix ozone and breeding wastewater through dispersion cone, reach the object evenly killed.Exhaust port, for balancing inner and outer air pressure, prevents internal pressure excessive.Thus, the advantage that the present invention has novel structure, biological pollution is removed thoroughly, processing speed is fast, use cost is cheap, security is good, environmental stress is little, ozone usage is low, ozone residual quantity is little.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural representation.
Embodiment
Below in conjunction with attached embodiment, the present invention is described in further detail.
Drawing reference numeral illustrates: tank body 1, blow-off pipe 1a, supporting leg 1b, top manhole 11, exhaust port 12, overflow port 13, protruded packing 14, spray header 15, circulation tube 16, return line 17, water pump 18, micropore air-spreading disk 19, sensor assembly 21, liquidometer 22, liquid meter 23, gas meter 24, rising pipe 25, dispersion cone 26.
Embodiment: with reference to Fig. 1, Biological pollution control method for industrial aquaculture wastewater, it comprises the steps:
A) sudden and violent gas tank process;
B) wetland variation;
Sudden and violent gas tank is treated to and breeding wastewater is passed into sudden and violent gas tank processes; Sudden and violent gas tank comprises tank body 1, and tank body 1 intracavity bottom is provided with micropore air-spreading disk 19; Dispersion cone 26 is provided with above micropore air-spreading disk 19; Spray header 15 is provided with near tank body 1 inner cavity top; Run through near bottom tank body 1 and be provided with circulation tube 16; Circulation tube pipeline after water pump 18 is connected with the return line 17 being located at tank body 1 near middle; Return line 17 stretches in tank body 1, and is opened on the top of dispersion cone 26 downwards; The sensor assembly 21 being provided with and can detecting water quality is also run through in tank body 1; Tank body 1 top is also provided with exhaust port 12; The side of tank body 1 is provided with rising pipe 25; Breeding wastewater through sudden and violent gas tank process enters artificial swamp.Breeding wastewater is usually containing hatching or ovum, anerobe, rich nutritive material, residual bait, fishing medicine, parasite etc. for hatching, and composition is quite complicated.It is cause bay biotic population structural changes huge that breeding wastewater is directly arranged its maximum harm outward.Such as breed the nursery factory of predacious fish, the ovum or the nursery that have a large amount of predacious fish outside during row enter natural water, cause great distortion in a short time to ecosystem structure.Therefore by these breeding wastewaters through inner chamber of the present invention, discharge a large amount of ozone through micropore air-spreading disk 19, kill the fish-egg in breeding wastewater, fry and microorganism, can available protecting coastal ecology environment.In addition, sensor assembly 21 is for detecting the ozone concn in water body, but ozone concn is lower, when can not reach the concentration killing biology, then again open by automatic control mode the valve being communicated with micropore air-spreading disk 19 and increase ozone concn, when ozone concn is higher than when killing biological concentration, closes ozone valve, avoid ozone to discharge always and cause unnecessary waste.When ozone concn is moderate, then switch on the pump 18, through dispersion cone 26 fully mixing ozone and breeding wastewater, reach the object evenly killed.Exhaust port 12, for balancing inner and outer air pressure, prevents internal pressure excessive.Through sudden and violent gas tank process breeding wastewater through artificial swamp absorption after, remove remaining ozone, then could be harmless enter sea area.
The all right sensed water level of sensor assembly 21; Micropore air-spreading disk 19 is connected with gas meter 24; Spray header 15 is connected with liquid meter 23; Blow-off pipe 1a is provided with bottom tank body 1.Automatic sensed water level parameter estimates ozone concn with being coupled of gas meter 24 parameter, and by the ozone concn of this estimation compared with the ozone concn detected, with the organic waste content of evaluation process breeding wastewater, is convenient to further decision-making.
Tank body 1 top is provided with top manhole 11; Liquidometer 22 is provided with near tank body 1 top-side; Overflow port 13 is also provided with near tank body 1 top-side.
Protruded packing 14 is provided with near on the downside of spray header 15.Protruded packing 14 can be convenient to when breeding wastewater sprays downwards mix with the ozone at gaseous phase, shortens treatment time of water.
Although describe the present invention in conjunction with preferred embodiment; so itself and be not used to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; can implement various change, the displacement of coordinator and amendment here to the theme listed, therefore protection scope of the present invention be as the criterion when the scope limited depending on proposed claim.
Claims (1)
1. Biological pollution control method for industrial aquaculture wastewater, is characterized in that step is as follows:
A) aeration tank process;
B) artificial wetland treatment;
Described aeration tank is treated to and breeding wastewater is passed into aeration tank processes; Described aeration tank comprises tank body (1), and described tank body (1) intracavity bottom is provided with micropore air-spreading disk (19), and micropore air-spreading disk (19) discharges a large amount of ozone; Described micropore air-spreading disk (19) top is provided with dispersion cone (26); Spray header (15) is provided with near described tank body (1) inner cavity top; Run through near described tank body (1) bottom and be provided with circulation tube (16); Described circulation tube pipeline after water pump (18) is connected with the return line (17) being located at described tank body (1) near middle; Described return line (17) stretches in described tank body (1), and is opened on the top of described dispersion cone (26) downwards; The sensor assembly (21) being provided with and can detecting water quality is also run through in described tank body (1); Described tank body (1) top is also provided with exhaust port (12); The side of described tank body (1) is provided with rising pipe (25); Breeding wastewater through aeration tank process enters artificial swamp, after artificial swamp absorption, remove remaining ozone; Protruded packing (14) is provided with near described spray header (15) downside; Described sensor assembly (21) is for sensed water level; Described micropore air-spreading disk (19) is connected with gas meter (24); Described spray header (15) is connected with liquid meter (23); Described tank body (1) bottom is provided with blow-off pipe (1a); Described tank body (1) top is provided with top manhole (11); Liquidometer (22) is provided with near described tank body (1) top-side; Overflow port (13) is also provided with near described tank body (1) top-side.
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CN103253830B true CN103253830B (en) | 2015-09-30 |
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CN107253805B (en) * | 2017-08-04 | 2020-12-29 | 江西省科学院 | Wetland device and method for enhancing removal of organic pollutants |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201637619U (en) * | 2010-03-22 | 2010-11-17 | 中国热带农业科学院分析测试中心 | High-pressure airflow splitter |
CN102583936A (en) * | 2012-02-02 | 2012-07-18 | 重庆大学 | Air lift type internal-external double circulation ozone sludge contact reaction device |
CN102745870A (en) * | 2012-07-25 | 2012-10-24 | 浙江海洋学院 | Factory aquaculture water circulating device |
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KR101047030B1 (en) * | 2009-02-16 | 2011-07-06 | 동아대학교 산학협력단 | Dyeing Wastewater Treatment Apparatus and Method Using Anaerobic-Aerobic Biofilter and Ozone Post-treatment Process |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201637619U (en) * | 2010-03-22 | 2010-11-17 | 中国热带农业科学院分析测试中心 | High-pressure airflow splitter |
CN102583936A (en) * | 2012-02-02 | 2012-07-18 | 重庆大学 | Air lift type internal-external double circulation ozone sludge contact reaction device |
CN102745870A (en) * | 2012-07-25 | 2012-10-24 | 浙江海洋学院 | Factory aquaculture water circulating device |
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