CN219363455U - Breed tail water processing system - Google Patents
Breed tail water processing system Download PDFInfo
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- CN219363455U CN219363455U CN202320595089.5U CN202320595089U CN219363455U CN 219363455 U CN219363455 U CN 219363455U CN 202320595089 U CN202320595089 U CN 202320595089U CN 219363455 U CN219363455 U CN 219363455U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a culture tail water treatment system, which comprises a tail water buffer tank, a micro-filter tank, a biological filter tank and an ecological tail water treatment tank; the culture pond is communicated with the inlet end of the tail water buffer pond through a first tail water conveying pipeline, and the outlet end of the tail water buffer pond is communicated with the inlet end of the micro-filtration pond through a second tail water conveying pipeline; a micro-filter is arranged in the micro-filter, the outlet end of the micro-filter is communicated with the inlet end of the biological filter through a third tail water conveying pipeline, and a filler is arranged in the biological filter; the outlet end of the biological filter is communicated with the inlet end of the ecological tail water treatment tank through a fourth tail water conveying pipeline, and the outlet end of the ecological tail water treatment tank is communicated with the culture tank through a tail water circulating pipeline. The utility model achieves the purpose of rapidly separating organic solid particles such as residual baits, faeces, animal carcasses and the like and soluble inorganic salt containing nitrogen and phosphorus in the tail water of the cultivation through means such as precipitation, filtration, biological purification and the like, thereby achieving the purpose of purifying water quality.
Description
Technical Field
The utility model relates to the technical field of aquaculture, in particular to an ecological and environment-friendly aquaculture tail water treatment system.
Background
In the aquaculture process, the water body is polluted due to the use of residual baits, excrement, chemicals and the like, so that the content of inorganic nitrogen, solid particles and phosphate in the water body is high, if timely and effective purification treatment cannot be carried out, the aquaculture quality can be affected, and the surrounding water body environment can be polluted after the water body is discharged.
At present, the purification of the aquaculture tail water basically adopts a mode of combining precipitation purification and chemical agent adding treatment, so that the treatment period is long, the cost is high, and the quality of the purified water is changed excessively, so that the stress reaction and the like of the aquaculture are caused, and the quality of the aquaculture is influenced.
Disclosure of Invention
Based on the technical problems, the utility model provides a cultivation tail water treatment system.
The technical scheme adopted by the utility model is as follows:
a breeding tail water treatment system comprises a tail water buffer tank, a micro-filter tank, a biological filter tank and an ecological tail water treatment tank;
the culture pond is communicated with the inlet end of the tail water buffer pond through a first tail water conveying pipeline, and the outlet end of the tail water buffer pond is communicated with the inlet end of the micro-filtration pond through a second tail water conveying pipeline;
a micro-filter is arranged in the micro-filter, the outlet end of the micro-filter is communicated with the inlet end of the biological filter through a third tail water conveying pipeline, and a filler is arranged in the biological filter;
the outlet end of the biological filter is communicated with the inlet end of the ecological tail water treatment tank through a fourth tail water conveying pipeline, and the outlet end of the ecological tail water treatment tank is communicated with the culture tank through a tail water circulating pipeline.
Preferably, a plurality of culture ponds are arranged, wherein one or more culture ponds are also connected with an exogenous water conveying pipeline.
Preferably, the system further comprises a heat exchanger, wherein the shell side of the heat exchanger is communicated with the fourth tail water conveying pipeline, and the tube side of the heat exchanger is communicated with the exogenous water conveying pipeline.
Preferably, the biological filter comprises a biological tank body, a vertical partition plate is arranged in the biological tank body and divides the biological tank body into a first treatment chamber and a second treatment chamber, a water passing channel is formed between the bottom of the vertical partition plate and the biological tank body, and the first treatment chamber is communicated with the second treatment chamber through the water passing channel.
Preferably, the packing is a solid elastic packing, and the solid elastic packing is arranged in the first processing chamber and the second processing chamber.
Preferably, the fourth tail water conveying pipeline comprises a first conveying pipeline section, a second conveying pipeline section, a third conveying pipeline section and a fourth conveying pipeline section, the outlet end of the biological filter is connected with the shell side inlet end of the heat exchanger through the first conveying pipeline section, the shell side outlet end of the heat exchanger is connected with the inlet end of the algae workshop through the second conveying pipeline section, the outlet end of the algae workshop is connected with the inlet end of the shellfish workshop through the third conveying pipeline section, and the outlet end of the shellfish workshop is communicated with the inlet end of the ecological tail water treatment tank through the fourth conveying pipeline section.
The beneficial technical effects of the utility model are as follows:
the cultivation tail water treatment system comprises a tail water buffer tank, a micro-filter tank, a biological filter tank, an ecological tail water treatment tank and the like, and achieves the purposes of purifying water quality and achieving centralized treatment, recycling and standard emission of the cultivation tail water by means of precipitation, filtration, biological purification and the like.
The utility model can timely and effectively purify the aquaculture tail water, ensures the quality of the aquaculture, ensures that the tail water is discharged after being treated up to the standard, does not pollute the surrounding water environment, has obvious ecological and environmental benefits, and has the advantages of small occupied area, low treatment cost and the like.
According to the utility model, most of the cultivation tail water (24 ℃) is heated (20-22 ℃) by the heat exchanger, so that the waste heat in the tail water is injected into the cultivation system again, the heat energy is utilized to the maximum extent, and the whole industrial cultivation system is lower in carbon and more energy-saving.
The tail water in the biological filter contains nutrient substances, and can firstly enter an algae workshop to culture algae, so that on one hand, the pollutant in the tail water can be removed, and on the other hand, the cultured algae can be obtained in the culture process; further entering a shellfish workshop for shellfish culture; after two-step culture, the nutrient substances in the tail water are fully utilized, and the tail water is further purified.
Drawings
The utility model is further described with reference to the drawings and detailed description which follow:
FIG. 1 is a schematic diagram of the structural principle of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of the structure of a second embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a third embodiment of the present utility model.
Detailed Description
Referring to the attached drawings, the cultivation tail water treatment system comprises a tail water buffer tank 1, a micro-filter tank 2, a biological filter tank 3 and an ecological tail water treatment tank 4. The culture pond 5 is communicated with the inlet end of the tail water buffer pond 1 through a first tail water conveying pipeline 6, and the outlet end of the tail water buffer pond 1 is communicated with the inlet end of the micro-filtration pond 2 through a second tail water conveying pipeline 7. The micro filter is distributed in the micro filter 2, the outlet end of the micro filter 2 is communicated with the inlet end of the biological filter 3 through a third tail water conveying pipeline 8, and the filler is distributed in the biological filter 3. The outlet end of the biological filter tank 3 is communicated with the inlet end of the ecological tail water treatment tank 4 through a fourth tail water conveying pipeline 9, and the outlet end of the ecological tail water treatment tank 4 is communicated with the culture tank 5 through a tail water circulating pipeline 10.
The culture tail water treatment system consists of a tail water buffer tank 1, a micro-filter tank 2, a biological filter tank 3, an ecological tail water treatment tank 4 and the like, and achieves the purposes of purifying water quality and realizing centralized treatment, recycling and standard emission of the culture tail water by means of precipitation, filtration, biological purification and the like to rapidly separate organic solid particles such as residual baits, faeces, animal carcasses and the like and soluble inorganic salt containing nitrogen and phosphorus in the culture tail water.
As a further design of the utility model, a plurality of culture ponds 5 are arranged, and adjacent culture ponds 5 are communicated through a water conveying pipeline 11, wherein one or more culture ponds are also connected with an external source water conveying pipeline 12. The culture tail water treatment system also comprises a heat exchanger 13, wherein the shell side of the heat exchanger 13 is communicated with the fourth tail water conveying pipeline 9 in series or connected on the fourth tail water conveying pipeline 9 in series. The tube side of the heat exchanger 13 is communicated with the external water conveying pipeline 12 or connected on the external water conveying pipeline 12 in series. In the utility model, tail water discharged from the biological filter 3 passes through a heat exchanger 13 to heat and raise the temperature of exogenous water conveyed by an exogenous water conveying pipeline 12.
According to the utility model, most of the cultivation tail water (24 ℃) is heated (20-22 ℃) by the heat exchanger, so that the waste heat in the tail water is injected into the cultivation system again, the heat energy is utilized to the maximum extent, and the whole industrial cultivation system is lower in carbon and more energy-saving.
Further, the biological filter 3 includes a biological tank body, a vertical partition 301 is disposed in the biological tank body, the biological tank body is divided into a first processing chamber 302 and a second processing chamber 303 by the vertical partition, and a water passing channel 304 is formed between the bottom of the vertical partition and the biological tank body. The first processing chamber 302 communicates with the second processing chamber 303 through a water passage 304. The packing is a solid elastic packing which is disposed in both the first processing chamber 302 and the second processing chamber 303. The biological filter 3 mainly aims at reprecipitating particles which are not filtered by the micro filter 2, and a microbial film is formed by arranging a three-dimensional elastic filler. The outer layer of the microbial membrane is composed of ammonia oxidizing bacteria, the inner layer is composed of anaerobic denitrifying bacteria, and the bacteria can absorb, decompose and transform inorganic nitrogen and inorganic phosphorus in the culture tail water, so that the effect of purifying water quality is achieved.
Still further, the fourth tail water transfer conduit 9 includes a first transfer conduit section 901, a second transfer conduit section 902, a third transfer conduit section 903, and a fourth transfer conduit section 904. The outlet end of the biological filter 3 is connected with the inlet end of the shell side of the heat exchanger 13 through a first conveying pipeline section 901, the outlet end of the shell side of the heat exchanger 13 is connected with the inlet end of the algae shop 14 through a second conveying pipeline section 902, the outlet end of the algae shop 14 is connected with the inlet end of the shellfish shop 15 through a third conveying pipeline section 903, and the outlet end of the shellfish shop 15 is communicated with the inlet end of the ecological tail water treatment tank 4 through a fourth conveying pipeline section 904.
The tail water in the biological filter 3 contains nutrient substances, and can firstly enter an algae workshop 14 to culture algae, so that on one hand, the pollutant substances in the tail water can be removed in the culture process, and on the other hand, the cultured algae can be obtained. The shellfish can then further enter a shellfish workshop 15 for shellfish cultivation. After two-step culture, the nutrient substances in the tail water are fully utilized, and the tail water is further purified.
The working process of the utility model is approximately as follows:
the culture tail water (water temperature of 28 ℃) of all culture ponds enters a tail water buffer pond 1 (water temperature of 26 ℃) through a first tail water conveying pipeline 6, is pumped to a micro-filtration pond 2 (water temperature of 26 ℃) after rough precipitation, and organic particles such as shrimp shells, residual baits, faeces and the like with the particle size of more than 150 mu m in the water are removed through the filtration effect of a micro-filtration machine, and the removal rate of organic nitrogen and solid particles in the culture tail water reaches more than 70%. Filtering the filtered liquid, entering a biological filter (water temperature is 25 ℃), forming slow flow sedimentation effect in the filter by the cutoff effect of circulation and three-dimensional elastic filler in the filter, and removing 70% of suspended particles with particle size smaller than 150 mu m again. The biological filter is internally provided with a three-dimensional elastic filler, and a layer of microbial film can be slowly formed on the surface of the huge body. The outer layer of the microbial membrane is composed of ammonia oxidizing bacteria, the inner layer is composed of anaerobic denitrifying bacteria, and the bacteria can absorb, decompose and transform inorganic nitrogen and inorganic phosphorus in the culture tail water, so that the effect of purifying water quality is achieved. Most of the water purified by the biological filter is heated (20-22 ℃) by the heat exchanger, and the waste heat in the tail water is injected into the culture pond again, so that the heat energy is utilized to the maximum extent, and the whole industrial culture system is lower in carbon and more energy-saving. The part of tail water after heat exchange and a small part of tail water after biological filter purification enter an ecological tail water treatment tank 4 through a pipeline. Inorganic nitrogen and phosphate in the tail water are removed through single-cell algae and fungus microorganisms which are naturally formed, and the tail water enters a culture system again or is discharged after reaching the standard after detection.
In the whole tail water treatment process, solid particles are required to be collected periodically, and the sludge is sent to a fixed garbage disposal site or is used as feed of sea cucumbers and the like after being processed.
The tail water in the biological filter 3 contains nutrient substances, and if the tail water is directly discharged, the tail water can pollute the environment on one hand and can cause waste on the other hand. It may be further preferable to first enter the algae shop 14 for algae cultivation, during which on the one hand the contaminants in the tail water are removed and on the other hand the cultivated algae are obtained. The shellfish can then further enter a shellfish workshop 15 for shellfish cultivation. After two-step culture, the tail water is discharged after reaching the standard. The utility model also has the function of cleaning sewage in a small space.
The functions and the arrangement of the respective tanks such as the tail water buffer tank will be described below:
the tail water treatment system comprises 1 buffer tank, 1 micro-filter tank, 1 biological filter tank, 1 ecological tail water treatment tank, and facility equipment such as a water pump, a micro-filter, a heat exchanger unit and the like.
The buffer pool is mainly used for buffering sedimentation of large-particle organic particles such as shrimp shells, residual baits, faeces and the like and intermittent discharge of tail water of cultivation. Buffer cell size can be set to 27 m.12m.7m, volume 2268m 3 The water storage capacity is about 1000m 3 The discharge amount of the culture tail water is about 1 hour in the culture workshop.
The micro-filter is mainly used for arranging a micro-filter, and the culture tail water which is coarsely precipitated in the buffer tank is treated again to remove most of solid particles. The size of the micro-filter can be set to be 12m 5m, the brick-concrete structure is formed by pouring C30 concrete with the foundation of 3:7 gray soil and 0.15-0.20m, 6 micro-filters can be arranged, and the design water filtering capacity is 1500m 3 /h。
The biological filter is mainly used for reprecipitating particles which are not filtered out by the micro filter, and a microbial film is formed by arranging a three-dimensional elastic filler. The outer layer of the microbial membrane is composed of ammonia oxidizing bacteria, the inner layer is composed of anaerobic denitrifying bacteria, and the bacteria can absorb, decompose and transform inorganic nitrogen and inorganic phosphorus in the culture tail water, so that the effect of purifying water quality is achieved. The size of the biological filter can be 42m x 35m x 3.5m, and the volume is 5145m 3 The depth of the design and use is 2.5m, and the water storage capacity is 3675m 3 The semi-overground structure, overground part is brick-concrete and column structure, underground part is raft plate and plate wall structure, anti-floating is considered, the bottom plate is provided with water permeable holes, the biological filler adopts elastic filler, the specification is phi 150mm x 1200mm x 2.8kg, the interval is 0.2m, the water flow at the water inlet and outlet is removed and is not easy to be distributed, and the rest parts are all used.
The culture tail water after precipitation, filtration, biological purification and heat exchange is finally converged into an ecological tail water treatment tank 4, and inorganic nitrogen, phosphate, COD and the like in the tail water are further removed through photosynthesis and assimilation of unicellular algae and fungus microorganisms naturally formed in the tank. The tail water treated by the ecological tail water treatment pool can enter the culture system again or reach the discharge standard after no germ residue is detected.
The size of the ecological tail water treatment pool is about 80m multiplied by 600m, the area is 48000 square meters, the effective water depth is about 2m, and the effective water storage capacity is about 10 ten thousand m < 3 >. The east-west dykes and dams side slope is protected by using 300 g/square meter geotechnical cloth after the side slope is built and leveled, and the north-south dykes and dams side slope is protected by using 200mm thick concrete reinforced meshes so as to cope with the impact of strong wind stirring pool water on the dykes and dams.
The micro-filter is used for removing large particles with the size of more than 150 mu m in the culture tail water pumped by the tail water buffer pool, the mesh size of the net sheet is 200 meshes, the solid particles with the size of 150 mu m and more can be filtered, and the screen mesh can be automatically cleaned by back flushing while filtering, so that the condition of long-term grid blockage is avoided. The utility model can adopt 6 micro-filters, the water filtering capacity of a single micro-filter is approximately 300m < 3 >/h, and the operation requirement can be met after the 6 micro-filters are combined.
The heat exchanger is used for transferring heat in the tail water after treatment to the external source water so as to preheat the external source water. The heat exchanger is roughly separated into a tubular heat exchanger and a plate heat exchanger, so that the conventional heat exchanger is not easy to block, and is suitable for conditions with poor water quality; the plate heat exchanger has relatively low cost and relatively high heat exchange efficiency. The project is to use pure titanium 400 square meter tubular heat exchanger unit and 400 square meter plate heat exchanger unit.
The parts not described in the above modes can be realized by adopting or referring to the prior art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a breed tail water processing system which characterized in that: comprises a tail water buffer tank, a micro-filter tank, a biological filter tank and an ecological tail water treatment tank;
the culture pond is communicated with the inlet end of the tail water buffer pond through a first tail water conveying pipeline, and the outlet end of the tail water buffer pond is communicated with the inlet end of the micro-filtration pond through a second tail water conveying pipeline;
a micro-filter is arranged in the micro-filter, the outlet end of the micro-filter is communicated with the inlet end of the biological filter through a third tail water conveying pipeline, and a filler is arranged in the biological filter;
the outlet end of the biological filter is communicated with the inlet end of the ecological tail water treatment tank through a fourth tail water conveying pipeline, and the outlet end of the ecological tail water treatment tank is communicated with the culture tank through a tail water circulating pipeline.
2. A aquaculture tail water treatment system according to claim 1 wherein: the cultivation ponds are arranged in a plurality, wherein one or more cultivation ponds are also connected with an exogenous water conveying pipeline.
3. A aquaculture tail water treatment system according to claim 2 wherein: the heat exchanger is characterized by further comprising a heat exchanger, wherein the shell side of the heat exchanger is communicated with the fourth tail water conveying pipeline, and the tube side of the heat exchanger is communicated with the exogenous water conveying pipeline.
4. A aquaculture tail water treatment system according to claim 1 wherein: the biological filter comprises a biological tank body, a vertical partition plate is arranged in the biological tank body and divides the biological tank body into a first treatment chamber and a second treatment chamber, a water passing channel is formed between the bottom of the vertical partition plate and the biological tank body, and the first treatment chamber is communicated with the second treatment chamber through the water passing channel.
5. A aquaculture tail water treatment system according to claim 4 wherein: the filler is a three-dimensional elastic filler which is arranged in the first processing chamber and the second processing chamber.
6. A aquaculture tail water treatment system according to claim 3 wherein: the fourth tail water conveying pipeline comprises a first conveying pipeline section, a second conveying pipeline section, a third conveying pipeline section and a fourth conveying pipeline section, the outlet end of the biological filter is connected with the shell side inlet end of the heat exchanger through the first conveying pipeline section, the shell side outlet end of the heat exchanger is connected with the inlet end of the algae workshop through the second conveying pipeline section, the outlet end of the algae workshop is connected with the inlet end of the shellfish workshop through the third conveying pipeline section, and the outlet end of the shellfish workshop is communicated with the inlet end of the ecological tail water treatment tank through the fourth conveying pipeline section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320595089.5U CN219363455U (en) | 2023-03-21 | 2023-03-21 | Breed tail water processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320595089.5U CN219363455U (en) | 2023-03-21 | 2023-03-21 | Breed tail water processing system |
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| Publication Number | Publication Date |
|---|---|
| CN219363455U true CN219363455U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320595089.5U Active CN219363455U (en) | 2023-03-21 | 2023-03-21 | Breed tail water processing system |
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| CN (1) | CN219363455U (en) |
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2023
- 2023-03-21 CN CN202320595089.5U patent/CN219363455U/en active Active
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