CN223534938U - A wastewater treatment system for factory-scale aquaculture - Google Patents
A wastewater treatment system for factory-scale aquacultureInfo
- Publication number
- CN223534938U CN223534938U CN202422433506.3U CN202422433506U CN223534938U CN 223534938 U CN223534938 U CN 223534938U CN 202422433506 U CN202422433506 U CN 202422433506U CN 223534938 U CN223534938 U CN 223534938U
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- reservoir
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- biological filter
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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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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model provides a factory aquatic product culture wastewater treatment system which comprises a water inlet pump, a full-automatic micro-filter, a lifting pump, a protein separator, a secondary lifting pump, a denitrification biological filter, an automatic probiotic throwing system, an oxygen-enriched regulating reactor, a nano aerator, a backwash water pump, a backwash fan and a reservoir, wherein the first reservoir, the water pump, the full-automatic micro-filter, the second reservoir, the lifting pump, the protein separator, a third reservoir, the secondary lifting pump, the denitrification biological filter and the oxygen-enriched regulating reactor are sequentially connected through pipelines, the automatic probiotic throwing system is communicated with the denitrification biological filter, the backwash water pump and the backwash fan are communicated with the denitrification biological filter, and the nano aerator is communicated with the oxygen-enriched regulating reactor. The industrial aquatic product cultivation wastewater treatment system can reduce the discharge and replacement scale of cultivation wastewater, promote the recovery and utilization of nutrient substances, and gradually improve and promote the efficacy of an aquatic product digestive system and an immune system.
Description
Technical Field
The utility model relates to a wastewater treatment technology, in particular to a factory aquatic product culture wastewater treatment system.
Background
As the technology level of mariculture increases and market demands expand, thereby causing marine ecological problems, a great deal of attention is being paid. Because the variety and the number of primary producers in the seawater culture system can not meet the growth requirement of high-density cultured organisms, a large amount of baits, chemicals, biological agents, preventive and therapeutic drugs, disinfectant and the like are added in the culture process. If the aquaculture wastewater is not treated to directly discharge the seawater, residual baits, chemical residues and aquaculture organism excretions rich in nitrogen, phosphorus, organic matters and toxic substances contained in the aquaculture wastewater can not only exacerbate the seawater eutrophication degree and water pollution of the aquaculture adjacent sea areas, so that the offshore sea area ecological system imbalance, red tide frequency, disease breeding and other marine ecological problems are caused, but also the drug resistance of pathogenic bacteria and the pathogenicity of dangerous bacteria and viruses can be gradually improved, the immunity of aquaculture groups is reduced, and serious disease outbreak risks exist.
In fact, the total sea discharge amount of the mariculture wastewater has exceeded land-based wastewater discharge in recent years, which may be one of the important causes of the frequent occurrence of harmful red tides and the continuous expansion of the scale. Due to the salinity effect of seawater and the difference between the pollutant structure in the aquaculture wastewater and common land-based sewage, the treatment difficulty of the aquaculture wastewater is increased, so that the current proprietary technology for the wastewater discharge treatment of the seawater factory is less. At present, conventional physical, chemical and biochemical processes are mainly adopted to treat the culture wastewater, so that the aim is to reduce the concentration of substances such as Chemical Oxygen Demand (COD), suspended Substances (SS), ammonia nitrogen and the like in the culture wastewater, and then recycle the substances, but the problem of sea water treatment is always an important factor for restricting the culture of industrial marine products due to the factors such as poor treatment effect, poor economic benefit and the like.
Disclosure of utility model
The utility model aims to solve the problems of poor treatment effect and poor economic benefit of the conventional mariculture wastewater treatment equipment, and provides a factory aquatic product culture wastewater treatment system which can reduce the discharge and replacement scale of the culture wastewater, promote the recovery and utilization of nutrient substances, gradually improve and promote the efficacy of an aquatic product digestive system and an immune system and has the advantages of good treatment effect and good economic benefit.
It should be noted that, in the present utility model, unless otherwise specified, reference to the specific meaning of "comprising" as defined and described by the composition includes both the open meaning of "comprising", "including" and the like, and the closed meaning of "consisting of", "consisting of" and the like.
In order to achieve the aim, the technical scheme adopted by the utility model is that the industrial aquatic product culture wastewater treatment system comprises a water inlet pump, a full-automatic micro-filter, a lifting pump, a protein separator, a secondary lifting pump, a denitrification biological filter, an automatic probiotic feeding system, an oxygen-enriched regulating reactor, a nano aerator, a back flushing water pump, a back flushing fan and a reservoir;
the water reservoirs comprise three water reservoirs, namely a first water reservoir, a second water reservoir and a third water reservoir;
The first reservoir, the water pump, the full-automatic micro-filter, the second reservoir, the lifting pump, the protein separator, the third reservoir, the secondary lifting pump, the denitrification biological filter and the oxygen enrichment regulation reactor are sequentially connected through pipelines;
The automatic probiotic throwing system is communicated with the denitrification biological filter, the backwash water pump, the backwash fan and the denitrification biological filter, and the nano aerator is communicated with the oxygen-enriched adjusting reactor.
Further, the nano aerator is communicated with the bottom of the oxygen enrichment adjusting reactor.
Further, the bottom of the denitrification biological filter is provided with two inlets, the lower part of the denitrification biological filter is provided with one inlet, the upper part of the denitrification biological filter is provided with one outlet, the denitrification biological filter comprises a filter tank body, a supporting layer is arranged in the filter tank body, and a filter material is arranged above the supporting layer.
Further, the secondary lifting pump is communicated with the inlet at the lower part of the denitrification biological filter.
Further, the filtrate outlet at the upper part of the denitrification biological filter is communicated with the inlet at the top of the oxygen enrichment adjusting reactor.
Further, the back flush water pump and the back flush fan are respectively communicated with the bottom inlet of the denitrification biological filter.
The working principle of the industrial aquatic product culture wastewater treatment system of the utility model is as follows:
And (3) automatically pumping the wastewater (first reservoir) of the culture pond in the service area to a full-automatic micro-filter through a water inlet pump, and removing residual solid particulate matters in the water through a physical filtering method. The waste water is filtered and then enters a second water storage unit for temporary storage, and is lifted by a lifting pump and then enters a protein separator, and the surface active substances and hydrophobic micro-suspended substances in water are adsorbed and concentrated by utilizing micro-bubbles to remove residual proteins and other toxic substances. The waste water enters a third water reservoir after passing through a protein separator and enters a denitrification biological filter after being secondarily lifted by a secondary lifting pump, meanwhile, probiotics are added by an automatic probiotic adding system, beneficial microbial communities of the cultured waste water are supplemented and domesticated and cultivated, a micro-ecological circulation system is established, nitrate and nitrite concentrations in the waste water are degraded in the biological filter through denitrification, oxygen-enriched conditions of a culture area are utilized to be organically combined with the probiotics, ammonia nitrogen and organic matters in the waste water are degraded through nitrification, and therefore low nitrogen and low carbon levels of the cultured water are maintained. The wastewater automatically flows into the oxygen-enriched regulating tank after passing through the denitrification biological filter, DO value is regulated by utilizing the nano aerator, and air addition amount is regulated by detecting data through the DO instrument, so that the oxygen demand of the culture is met, the energy loss is saved, unnecessary waste is avoided, and the operation cost is saved.
The microbial film growing on the filter material gradually thickens along with the running of the denitrification biological filter, which is favorable for improving the removal rate, and the activity of microorganisms is reduced and begins to fall off to a certain extent when the denitrification biological filter thickens to a certain extent. Meanwhile, the oxygen transfer rate is reduced, the mass transfer speed is reduced, and the head loss is increased along with the reduction of the void volume of the filter material. At this time, the operation should be stopped and the back washing should be performed, and the main back washing mode is air washing (back washing fan), air-water simultaneous back washing (back washing fan and back washing water pump), and water washing (back washing water pump).
The utility model discloses a factory aquatic product cultivation wastewater treatment system, which relates to the field of environmental treatment, and has the following advantages compared with the prior art:
The industrial aquatic product cultivation wastewater treatment system takes the environmental control probiotic biological system as a core and is assisted with the integrated equipment, the system establishes a marine product cultivation microorganism ecological treatment and circulation system, improves the ecological environment quality of industrial cultivation wastewater, reduces the emission and replacement scale of the cultivation wastewater, promotes the recovery and utilization of nutrient substances, and can gradually improve and promote the efficacy of an aquatic product digestion system and an immune system.
The single physical treatment technology and the biochemical treatment technology have strong limitations, and are difficult to effectively remove pollutants in aquaculture wastewater.
Filtration and foam separation: part of baits which are not eaten yet can be produced in the aquaculture process, and a large amount of aquatic animal excreta can be produced.
The utility model uses nitrate in sewage to process denitrification, and by creating proper growth conditions, the utility model effectively realizes the conversion of nitrate and nitrite into nitrogen so as to achieve the aim of denitrification.
The technology for preparing the nutrient medium by utilizing the microorganism immobilization technology of the MPI annular control probiotics and the technology for preparing the nutrient medium by fermenting the probiotics can effectively improve the water quality of a farm and remove organic pollutants in the aquatic farm. In addition, the MPI environmental control probiotics army can also effectively inhibit the propagation and growth of pathogenic microorganisms in the water body.
Drawings
FIG. 1 is a process flow diagram of a factory aquatic product culture wastewater treatment system of the utility model;
FIG. 2 is a schematic diagram of the industrial aquaculture wastewater treatment system of the present utility model.
Wherein, the device comprises a 1-water inlet pump, a 2-full-automatic micro-filter, a 3-lifting pump, a 4-protein separator, a 5-secondary lifting pump, a 6-denitrification biological filter, a 7-probiotics automatic feeding system, an 8-oxygen-enriched adjusting reactor, a 9-nanometer aerator, a 10-back flushing water pump, an 11-back flushing fan and a 12-reservoir.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected, as being mechanically connected, electrically connected, or communicable with each other, as being directly connected, or indirectly connected through an intermediary, as being an internal connection between two elements, or as being an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application.
Example 1
The embodiment discloses a factory aquatic product cultivation wastewater treatment system, which is shown in figures 1 and 2 and comprises a water inlet pump 1, a full-automatic micro-filter 2, a lifting pump 3, a protein separator 4, a secondary lifting pump 5, a denitrification biological filter 6, an automatic probiotics throwing system 7, an oxygen enrichment adjusting reactor 8, a nano aerator 9, a back flushing water pump 10, a back flushing fan 11 and a reservoir 12;
The reservoirs 12 comprise three reservoirs, namely a first reservoir, a second reservoir and a third reservoir, wherein the first reservoir is internally provided with culture pond wastewater in a service area, and the culture wastewater filtered by the full-automatic micro-filter enters the second reservoir for temporary storage and then is conveyed to subsequent equipment, and the culture wastewater processed by the protein separator enters the third reservoir for temporary storage and then is conveyed to the subsequent equipment;
The first reservoir, the water pump 1, the full-automatic micro-filter 2, the second reservoir, the lifting pump 3, the protein separator 4, the third reservoir, the secondary lifting pump 5, the denitrification biological filter 6 and the oxygen enrichment regulation reactor 8 are sequentially connected through pipelines;
the automatic probiotic feeding system 7 is communicated with the denitrification biological filter 6, the backwash water pump 10 and the backwash fan 11 are communicated with the denitrification biological filter 6, and the nano aerator 9 is communicated with the oxygen-enriched regulating reactor 8.
Specifically, the nano aerator 9 is communicated with the bottom of the oxygen enrichment adjusting reactor 8.
The denitrification biological filter 6 is characterized in that two inlets are formed in the bottom of the denitrification biological filter 6, one inlet is formed in the lower portion of the denitrification biological filter, one outlet is formed in the upper portion of the denitrification biological filter, the denitrification biological filter comprises a filter body, a supporting layer is arranged in the filter body, and a filter material is arranged above the supporting layer. The secondary lifting pump 5 is communicated with the inlet at the lower part of the denitrification biological filter 6. The filtrate outlet at the upper part of the denitrification biological filter 6 is communicated with the inlet at the top of the oxygen enrichment adjusting reactor 8. The back flush water pump 10 and the back flush fan 11 are respectively communicated with the bottom inlet of the denitrification biological filter 6.
The working principle of the industrial aquatic product culture wastewater treatment system is as follows:
The wastewater (first reservoir) of the culture pond in the service area is automatically pumped to a full-automatic micro-filter 2 through a water inlet pump 1, and residual solid particulate matters in the water are removed through a physical filtration method.
The wastewater is filtered and then enters a second water storage unit for temporary storage, is lifted by a lifting pump 3 and then enters a protein separator 4, and surface active substances and hydrophobic micro-suspended substances in water are adsorbed and concentrated by utilizing micro-bubbles to remove residual proteins and other toxic substances.
The waste water enters a third reservoir after passing through a protein separator 4 and enters a denitrification biological filter 6 after being lifted for the second time by a secondary lifting pump 5, meanwhile, probiotics are added by a probiotics automatic adding system 7, beneficial microbial communities of the cultured waste water are supplemented and domesticated, a micro-ecological circulation system is established, nitrate and nitrite concentration in the waste water are degraded in the biological filter through denitrification, oxygen-enriched conditions of a culture area are utilized to be organically combined with the probiotics, ammonia nitrogen and organic matters in the waste water are degraded through nitrification, and therefore low nitrogen and low carbon levels of the cultured water are maintained.
The wastewater automatically flows into the oxygen-enriched regulating tank 8 after passing through the denitrification biological filter 6, DO value is regulated by the nano aerator 9, and the air addition amount is regulated by the DO meter detection data, so that the oxygen demand of the culture is met, the energy loss is saved, unnecessary waste is avoided, and the running cost is saved.
The denitrification biological filter 6 gradually thickens the microbial film growing on the filter material along with the running, which is favorable for improving the removal rate, and the activity of microorganisms is reduced and begins to fall off to a certain extent when the thickening is to a certain extent. Meanwhile, the oxygen transfer rate is reduced, the mass transfer speed is reduced, and the head loss is increased along with the reduction of the void volume of the filter material. At this time, the operation should be stopped and the back washing should be performed, and the main back washing mode is air washing (back washing fan 11), air-water simultaneous back washing (back washing fan 11 and back washing water pump 10), and water washing (back washing water pump 10).
It should be noted that the above embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present utility model.
Claims (6)
1. The industrial aquatic product cultivation wastewater treatment system is characterized by comprising a water inlet pump (1), a full-automatic micro-filter (2), a lifting pump (3), a protein separator (4), a secondary lifting pump (5), a denitrification biological filter (6), an automatic probiotics throwing system (7), an oxygen-enriched regulating reactor (8), a nano aerator (9), a backwashing water pump (10), a backwashing fan (11) and a reservoir (12);
the water reservoirs (12) comprise three water reservoirs, namely a first water reservoir, a second water reservoir and a third water reservoir;
The first reservoir, the water pump (1), the full-automatic micro-filter (2), the second reservoir, the lifting pump (3), the protein separator (4), the third reservoir, the secondary lifting pump (5), the denitrification biological filter (6) and the oxygen enrichment regulation reactor (8) are sequentially connected through pipelines;
The automatic probiotic feeding system (7) is communicated with the denitrification biological filter (6), the backwash water pump (10) and the backwash fan (11) are communicated with the denitrification biological filter (6), and the nano aerator (9) is communicated with the oxygen enrichment adjusting reactor (8).
2. The industrial aquaculture wastewater treatment system according to claim 1, characterized in that the nano aerator (9) is in communication with the bottom of the oxygen-enriched conditioning reactor (8).
3. The industrial aquaculture wastewater treatment system according to claim 1, wherein the denitrification bio-filter (6) is provided with two inlets at the bottom, one inlet at the bottom and one outlet at the top.
4. A system for treating industrial aquaculture wastewater according to claim 1 or 3, characterized in that the secondary lift pump (5) is in communication with the lower inlet of the denitrification bio-filter (6).
5. A system for treating industrial aquatic product culture wastewater according to claim 1 or 3, wherein a filtrate outlet at the upper part of the denitrification biological filter (6) is communicated with a top inlet of the oxygen-enriched regulating reactor (8).
6. A factory aquatic product culture wastewater treatment system according to claim 1 or 3, wherein the back flush water pump (10) and the back flush fan (11) are respectively communicated with the bottom inlet of the denitrification biological filter (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2024218274166 | 2024-07-31 | ||
| CN202421827416 | 2024-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223534938U true CN223534938U (en) | 2025-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202422433506.3U Active CN223534938U (en) | 2024-07-31 | 2024-10-09 | A wastewater treatment system for factory-scale aquaculture |
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| Country | Link |
|---|---|
| CN (1) | CN223534938U (en) |
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2024
- 2024-10-09 CN CN202422433506.3U patent/CN223534938U/en active Active
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