CN209906581U - Aquaculture tail water integration treatment facility - Google Patents
Aquaculture tail water integration treatment facility Download PDFInfo
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- CN209906581U CN209906581U CN201920611155.7U CN201920611155U CN209906581U CN 209906581 U CN209906581 U CN 209906581U CN 201920611155 U CN201920611155 U CN 201920611155U CN 209906581 U CN209906581 U CN 209906581U
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Abstract
The utility model belongs to the technical field of aquaculture wastewater treatment and discloses an aquaculture tail water integrated treatment device, which comprises a box body; an ABR tank, an aerobic tank and a biological aerated filter are arranged in the box body; the ABR tank, the aerobic tank and the biological aerated filter are communicated in sequence; the bottom of the biological aerated filter is provided with a water outlet; a plurality of baffle plates are arranged in the ABR tank at intervals, a water inlet is formed in one side of the ABR tank, and the other side of the ABR tank is communicated with the bottom of one side of the aerobic tank through a first communication port; the top of the other side of the aerobic tank is communicated with the biological aerated filter through a second communication port; the aerobic tank is communicated with the ABR tank through a return pipe, and the return pipe returns the liquid in the aerobic tank to the ABR tank through a pump. The utility model has the characteristics of area is little, save space, energy consumption are low.
Description
Technical Field
The utility model belongs to the technical field of breed waste water treatment, concretely relates to aquaculture tail water integration treatment facility.
Background
China is a fishery big country and accounts for more than 1/3 of the total amount of aquatic products in the world. In the process of high-density aquaculture, a large amount of feed, fishery drugs and the like need to be put into water, and besides being absorbed by aquaculture objects, residual baits, excrement, biological corpses, fishery nutrient substances and fishery drugs in aquaculture water are increased greatly, so that nitrogen, phosphorus, fishery drugs and other organic or inorganic substances exceed the self-cleaning capacity of the water, and the water environment is polluted after the discharge.
10 ministry of agricultural rural districts, etc. have issued a number of opinions on accelerating the development of green aquaculture industry, which require the promotion of aquaculture tail water treatment. Promote the discharge standard of tail water pollutants of aquaculture and carry out the environmental impact evaluation of aquaculture projects according to law. Accelerating promotion of water saving and emission reduction of cultivation, encouraging the adoption of technical measures such as water inlet and drainage modification, biological purification, artificial wetland, planting of aquatic vegetables and flowers and the like to develop concentrated continuous pond cultivation areas and industrial cultivation tail water treatment, and promoting the resource utilization or standard discharge of the cultivation tail water.
The existing culture tail water is mainly treated by establishing culture tail water treatment facilities such as a sedimentation tank, a filter dam, an aeration tank, a biological treatment tank, an artificial wetland and the like, and the main defects are that the occupied area is too large and the treatment capability in winter is poor. Moreover, the facilities need professional operation and maintenance, and the requirements on the skills of farmers are high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide an aquaculture tail water integrated treatment device.
The utility model discloses the technical scheme who adopts does:
an aquaculture tail water integrated treatment device comprises a box body; an ABR tank, an aerobic tank and a biological aerated filter are arranged in the box body; the ABR tank, the aerobic tank and the biological aerated filter are communicated in sequence; the bottom of the biological aerated filter is provided with a water outlet; a plurality of baffle plates are arranged in the ABR tank at intervals, a water inlet is formed in one side of the ABR tank, and the other side of the ABR tank is communicated with the bottom of one side of the aerobic tank through a first communication port; the top of the other side of the aerobic tank is communicated with the biological aerated filter through a second communication port; the aerobic tank is communicated with the ABR tank through a return pipe, and the return pipe returns the liquid in the aerobic tank to the ABR tank through a pump.
Furthermore, the biological aerated filter is of a closed structure; a water distributor is arranged in the biological aerated filter, and an aeration device is arranged below the water distributor; the water distributor is communicated with the aerobic tank through a second communication port; a filter material layer is arranged in the biological aerated filter; the aeration devices are uniformly distributed on the filter material layer.
Furthermore, a bearing layer is arranged below the filter material layer, a drain pipe with an opening at the side part is arranged in the bearing layer, and the drain pipe is connected with the water outlet.
Furthermore, a suspended filler is arranged in the aerobic tank, and a micropore aeration device is arranged at the bottom of the aerobic tank.
Furthermore, the first communication port and the second communication port are both provided with blocking nets for blocking the suspended fillers.
Further, the bearing layer is a pebble layer.
The utility model has the advantages that: the utility model discloses an aquaculture tail water integration treatment facility has following advantage: (1) the ABR pond passes through the baffling board, and multistage interception breeds fodder residue and excrement and urine in the tail water, has reduced the content of suspended solid, and need not mechanical agitating unit. (2) The aerobic tank is provided with the suspended filler, so that a carrier is provided for the survival of microorganisms, the suspended carrier does not need to be fixed, is convenient to add and easy to operate, the oxygen utilization rate is improved, and the generation of excess sludge is reduced. (3) The aeration device is arranged above the filter material layer in the aeration biological filter, and the tank body is closed. The advantage of this is, reduce fan energy consumption, make the even transmission of oxygen at the filter bed through pressure. The aeration biological filter further deeply treats pollutants in the tail water. The utility model discloses practice thrift area, the multiple technology of coupling, effectively utilized the space, reduced the energy consumption. The utility model discloses a still can set up sensors such as dissolved oxygen sensor, pH sensor in the equipment, equipment can set up PLC control, realizes automaticly. The treated aquaculture tail water can reach the standard of standard discharge or recycling after being disinfected. Therefore, the utility model has the characteristics of area is little, save space, energy consumption is low.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-baffle plate; 2-ABR pool; 3-an aerobic tank; 4-suspended fillers; 5-a microporous aeration device; 6-a return pipe; 7-blocking; 8-a water distributor; 9-an aeration device; 10-a filter material layer; 11-pebble bed; 12-a drain pipe; 13-aeration biological filter; 14-a water inlet; 15-a first communication port; 16-a second communication port; and 17-water outlet.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in figure 1, the aquaculture tail water integrated treatment equipment comprises a box body; an ABR tank, an aerobic tank and a biological aerated filter are arranged in the box body; the ABR tank, the aerobic tank and the biological aerated filter are communicated in sequence; the bottom of the biological aerated filter is provided with a water outlet 17; a plurality of baffle plates are arranged in the ABR tank at intervals, a water inlet is formed in one side of the ABR tank, and the other side of the ABR tank is communicated with the bottom of one side of the aerobic tank through a first communication port; the top of the other side of the aerobic tank is communicated with the biological aerated filter through a second communication port; the aerobic tank is communicated with the ABR tank through a return pipe, and the return pipe returns the liquid in the aerobic tank to the ABR tank through a pump.
As shown in figure 1, the aquaculture tail water integrated treatment equipment comprises a box body; the box body is divided into an ABR tank 2, an aerobic tank 3 and a biological aerated filter 13 by partition plates; the upper part of the ABR tank is provided with a water inlet 14, and a plurality of baffle plates are alternately arranged in the ABR tank at intervals; after tail water enters the ABR tank from the water inlet, the flow direction of the tail water is continuously changed through a plurality of baffle plates, the flow path is prolonged, and feed residues and solid excrement in the tail water are intercepted; the ABR pool is in an anoxic state, and microorganisms can decompose organic matters in feed residues and excrement under the anoxic condition; the bottom end of the ABR tank is communicated with the bottom of the left side of the aerobic tank through a first communication port 15; the aerobic tank can carry out nitrification to decompose ammonia nitrogen in the tail water and further remove organic matters. The effluent water from the top of the right side of the aerobic tank overflows to the biological aerated filter through a second communication port 16 at the upper end, and after the advanced treatment of the biological aerated filter, the effluent water can reach the discharge standard through ultraviolet disinfection or ozone disinfection or can be used as circulating water.
Preferably, the aerobic tank is communicated with the ABR tank through a return pipe 6, and the return pipe returns the liquid in the aerobic tank to the ABR tank through a pump. And refluxing the reflux liquid to the ABR tank through a pump for denitrification.
The ABR tank is in an anoxic state, microorganisms can decompose organic matters in feed residues and excrement under the anoxic condition, and meanwhile, reflux flows back to the ABR tank to perform denitrification.
Example 2
As shown in figure 1, the aquaculture tail water integrated treatment equipment comprises a box body; an ABR tank, an aerobic tank and a biological aerated filter are arranged in the box body; the ABR tank, the aerobic tank and the biological aerated filter are communicated in sequence; the bottom of the biological aerated filter is provided with a water outlet; a plurality of baffle plates are arranged in the ABR tank at intervals, a water inlet is formed in one side of the ABR tank, and the other side of the ABR tank is communicated with the bottom of one side of the aerobic tank through a first communication port; the top of the other side of the aerobic tank is communicated with the biological aerated filter through a second communication port; the aerobic tank is communicated with the ABR tank through a return pipe, and the return pipe returns the liquid in the aerobic tank to the ABR tank through a pump.
As shown in figure 1, the aquaculture tail water integrated treatment equipment comprises a box body; the box body is divided into an ABR tank 2, an aerobic tank 3 and a biological aerated filter 13 by partition plates; the upper part of the ABR tank is provided with a water inlet 14, and a plurality of baffle plates 1 are alternately arranged in the ABR tank at intervals; after tail water enters the ABR tank from the water inlet, the flow direction of the tail water is continuously changed through a plurality of baffle plates, the flow path is prolonged, and feed residues and solid excrement in the tail water are intercepted; the ABR pool is in an anoxic state, and microorganisms can decompose organic matters in feed residues and excrement under the anoxic condition; the bottom end of the ABR tank is communicated with the bottom of the left side of the aerobic tank through a first communication port 15; the aerobic tank can carry out nitrification to decompose ammonia nitrogen in the tail water and further remove organic matters. The effluent water from the top of the right side of the aerobic tank overflows to the biological aerated filter through a second communication port 16 at the upper end, and after the advanced treatment of the biological aerated filter, the effluent water can reach the discharge standard through ultraviolet disinfection or ozone disinfection or can be used as circulating water.
Preferably, the aerobic tank is communicated with the ABR tank through a return pipe 6, and the return pipe returns the liquid in the aerobic tank to the ABR tank through a pump. And refluxing the reflux liquid to the ABR tank through a pump for denitrification.
The ABR tank is in a state, microorganisms can decompose organic matters in feed residues and excrement under the anoxic condition, and meanwhile, reflux liquid flows back to the ABR tank to perform denitrification.
Furthermore, a suspended filler is arranged in the aerobic tank, and a micropore aeration device 5 is arranged at the bottom of the aerobic tank.
The aerobic tank is internally provided with the suspended filler 4, so that ammonia nitrogen in the tail water can be decomposed by nitrification, and organic matters can be further removed.
Example 3
As shown in figure 1, the aquaculture tail water integrated treatment equipment comprises a box body; an ABR tank, an aerobic tank and a biological aerated filter are arranged in the box body; the ABR tank, the aerobic tank and the biological aerated filter are communicated in sequence; the bottom of the biological aerated filter is provided with a water outlet; a plurality of baffle plates are arranged in the ABR tank at intervals, a water inlet is formed in one side of the ABR tank, and the other side of the ABR tank is communicated with the bottom of one side of the aerobic tank through a first communication port; the top of the other side of the aerobic tank is communicated with the biological aerated filter through a second communication port; the aerobic tank is communicated with the ABR tank through a return pipe, and the return pipe returns the liquid in the aerobic tank to the ABR tank through a pump.
As shown in figure 1, the aquaculture tail water integrated treatment equipment comprises a box body; the box body is divided into an ABR tank 2, an aerobic tank 3 and a biological aerated filter 13 by partition plates; the upper part of the ABR tank is provided with a water inlet 14, and a plurality of baffle plates 1 are alternately arranged in the ABR tank at intervals; after tail water enters the ABR tank from the water inlet, the flow direction of the tail water is continuously changed through a plurality of baffle plates, the flow path is prolonged, and feed residues and solid excrement in the tail water are intercepted; the ABR pond is in a state, and microorganisms can decompose organic matters in feed residues and excrement under the anoxic condition; the bottom end of the ABR tank is communicated with the bottom of the left side of the aerobic tank through a first communication port 15; the aerobic tank can carry out nitrification to decompose ammonia nitrogen in the tail water and further remove organic matters. The effluent water from the top of the right side of the aerobic tank overflows to the biological aerated filter through a second communication port 16 at the upper end, and after the advanced treatment of the biological aerated filter, the effluent water can reach the discharge standard through ultraviolet disinfection or ozone disinfection or can be used as circulating water.
Preferably, the aerobic tank is communicated with the ABR tank through a return pipe 6, and the return pipe returns the liquid in the aerobic tank to the ABR tank through a pump. And refluxing the reflux liquid to the ABR tank through a pump for denitrification.
The ABR tank is in a state, microorganisms can decompose organic matters in feed residues and excrement under the anoxic condition, and meanwhile, reflux liquid flows back to the ABR tank to perform denitrification.
Furthermore, a suspended filler is arranged in the aerobic tank, and a micropore aeration device 5 is arranged at the bottom of the aerobic tank.
The aerobic tank is internally provided with the suspended filler 4, so that ammonia nitrogen in the tail water can be decomposed by nitrification, and organic matters can be further removed.
Furthermore, the biological aerated filter is of a closed structure; a water distributor is arranged in the biological aerated filter, and an aeration device 9 is arranged below the water distributor; the water distributor is communicated with the aerobic tank through a second communication port; a filter material layer is arranged in the biological aerated filter; the aeration devices are uniformly distributed on the filter material layer.
The biological aerated filter is of a closed structure, a water distributor 8 is arranged at a water inlet, water is uniformly distributed above the filter body, and the water flow direction is from top to bottom. The upper end of the filter material layer 10 is provided with an aeration device 9, and air fed by the aeration device is uniformly transmitted downwards due to a closed structure. The advantage of this is can reduce the pressure of fan air outlet, reduces the energy consumption. The filter material layer is provided with filter materials such as zeolite, gravel or volcanic rock. The filter material not only adsorbs pollutants through adsorption, but also provides good living places for microorganisms through pores in the filter material. After the advanced treatment of the aeration biological filter, the effluent can reach the discharge standard through ultraviolet disinfection or ozone disinfection or can be used as circulating water.
Furthermore, a bearing layer is arranged below the filter material layer, a drain pipe with an opening at the side part is arranged in the bearing layer, and the drain pipe is connected with the water outlet. Further, the bearing layer is a pebble layer.
In order to facilitate the smooth discharge of water in the biological aerated filter, and simultaneously, the sealing effect of the biological aerated filter is not influenced, a bearing layer is arranged below a filter material layer, the bearing layer is a pebble layer, the pebble layer 11 is formed by piling pebbles, a drain pipe is embedded in the pebble layer, a plurality of water inlets are formed in the side part of the drain pipe, liquid filtered from the filter material layer enters the pebble layer and enters the drain pipe through a plurality of water inlets in the side part of the drain pipe 12, and the drain pipe is connected with a water outlet 17 to discharge treated tail water.
Furthermore, the first communication port and the second communication port are both provided with blocking nets for blocking the suspended fillers. First intercommunication mouth and second intercommunication mouth set up block 7, and the interception suspended packing prevents that the filler runs off. Preferably, the return pipe and each water outlet are also provided with a barrier net.
The utility model discloses a theory of operation does: aquaculture tail water enters the ABR pool from the water inlet through the water pump, and the ABR pool intercepts feed residues and solid excrement in the tail water through the multistage baffle plate. The ABR tank is in an anoxic state, microorganisms can decompose organic matters in feed residues and excrement under the anoxic condition, and meanwhile, reflux flows back to the ABR tank to perform denitrification. The water discharged from the ABR tank flows to an aerobic tank through a communicating port at the bottom, and suspended fillers are arranged in the aerobic tank, so that the ammonia nitrogen in the tail water can be decomposed by nitrification, and organic matters can be further removed. Each water outlet end and the backflow pipe are provided with a blocking net for blocking suspended fillers to prevent the fillers from losing, backflow liquid flows back to the ABR tank through the pump for denitrification and denitrification, and the effluent of the aerobic tank overflows to the biological aerated filter through a communication port at the upper end. The biological aerated filter is of a closed structure, a water distributor is arranged at a water inlet, water is uniformly distributed above the filter body, and the water flow direction is from top to bottom. The upper end of the filter material layer is provided with an aeration device, and air fed by the aeration device is uniformly transferred downwards due to a closed structure. The advantage of this is can reduce the pressure of fan air outlet, reduces the energy consumption. The filter material layer is provided with filter materials such as zeolite, gravel or volcanic rock. The filter material not only adsorbs pollutants through adsorption, but also provides good living places for microorganisms through pores in the filter material. After the advanced treatment of the aeration biological filter, the effluent can reach the discharge standard through ultraviolet disinfection or ozone disinfection or can be used as circulating water.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (6)
1. The utility model provides an aquaculture tail water integration treatment facility which characterized in that: comprises a box body; an ABR tank, an aerobic tank and a biological aerated filter are arranged in the box body; the ABR tank, the aerobic tank and the biological aerated filter are communicated in sequence; the bottom of the biological aerated filter is provided with a water outlet; a plurality of baffle plates are arranged in the ABR tank at intervals, a water inlet is formed in one side of the ABR tank, and the other side of the ABR tank is communicated with the bottom of one side of the aerobic tank through a first communication port; the top of the other side of the aerobic tank is communicated with the biological aerated filter through a second communication port; the aerobic tank is communicated with the ABR tank through a return pipe, and the return pipe returns the liquid in the aerobic tank to the ABR tank through a pump.
2. The aquaculture tail water integrated treatment equipment of claim 1, wherein: the biological aerated filter is of a closed structure; a water distributor is arranged in the biological aerated filter, and an aeration device is arranged below the water distributor; the water distributor is communicated with the aerobic tank through a second communication port; a filter material layer is arranged in the biological aerated filter; the aeration devices are uniformly distributed on the filter material layer.
3. An aquaculture tail water integrated treatment device according to claim 2, characterized in that: and a bearing layer is arranged below the filter material layer, a drain pipe with an opening at the side part is arranged in the bearing layer, and the drain pipe is connected with the water outlet.
4. An aquaculture tail water integrated treatment device according to claim 3, characterized in that: the aerobic tank is internally provided with a suspended filler, and the bottom of the aerobic tank is provided with a micropore aeration device.
5. An aquaculture tail water integrated treatment device according to claim 4, characterized in that: and blocking nets for intercepting the suspended fillers are arranged on the first communicating port and the second communicating port.
6. An aquaculture tail water integrated treatment device according to claim 5, characterized in that: the bearing layer is a pebble layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920611155.7U CN209906581U (en) | 2019-04-29 | 2019-04-29 | Aquaculture tail water integration treatment facility |
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| CN201920611155.7U CN209906581U (en) | 2019-04-29 | 2019-04-29 | Aquaculture tail water integration treatment facility |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018271A (en) * | 2020-01-10 | 2020-04-17 | 兰州理工大学 | Aquaculture tail water treatment and circulating device |
| WO2022105732A1 (en) * | 2020-11-20 | 2022-05-27 | 江苏大学 | Baffled anaerobic biological nest integrated nitrogen and carbon removal device and nitrogen and carbon removal process |
| CN114772853A (en) * | 2022-04-26 | 2022-07-22 | 浙江省舟山市水产研究所 | Water quality control system for high-level pond for penaeus vannamei boone culture |
-
2019
- 2019-04-29 CN CN201920611155.7U patent/CN209906581U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018271A (en) * | 2020-01-10 | 2020-04-17 | 兰州理工大学 | Aquaculture tail water treatment and circulating device |
| WO2022105732A1 (en) * | 2020-11-20 | 2022-05-27 | 江苏大学 | Baffled anaerobic biological nest integrated nitrogen and carbon removal device and nitrogen and carbon removal process |
| US11724949B2 (en) | 2020-11-20 | 2023-08-15 | Jiangsu University | Baffled integrated denitrifying and decarbonizing device with anaerobic bio-nests and baffled integrated denitrifying and decarbonizing process with anaerobic bio-nests |
| CN114772853A (en) * | 2022-04-26 | 2022-07-22 | 浙江省舟山市水产研究所 | Water quality control system for high-level pond for penaeus vannamei boone culture |
| CN114772853B (en) * | 2022-04-26 | 2023-07-11 | 浙江省舟山市水产研究所 | Water quality regulation and control system for penaeus vannamei boone culture high-level pond |
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