CN219239455U - Enhanced three-pond two-dam aquaculture tail water treatment system - Google Patents
Enhanced three-pond two-dam aquaculture tail water treatment system Download PDFInfo
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- CN219239455U CN219239455U CN202223530146.6U CN202223530146U CN219239455U CN 219239455 U CN219239455 U CN 219239455U CN 202223530146 U CN202223530146 U CN 202223530146U CN 219239455 U CN219239455 U CN 219239455U
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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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The utility model discloses an enhanced three-tank two-dam aquaculture tail water treatment system, which comprises an artificial wetland, a sedimentation tank, an aeration tank, a biological purification tank and a clean water tank which are connected in sequence; a first filtering dam is arranged between the sedimentation tank and the aeration tank, and a second filtering dam is arranged between the biological purification tank and the clean water tank; the artificial wetland is provided with a total water inlet, the clean water tank is provided with a total water outlet, and water flows from the total water outlet after entering the artificial wetland from the total water inlet, sequentially passes through a sedimentation tank, a first filtering dam, an aeration tank, a biological purification tank, a second filtering dam and the clean water tank; the number of the total water outlets is 3, and the first total water outlet is connected with the outside; the second main water outlet is connected with the culture pond; and the third main water outlet is connected with the artificial wetland. The utility model can not only effectively purify the culture tail water to improve the surrounding water environment, but also realize the increase of the cyclic utilization rate of the culture tail water, has the advantages of low one-time investment, low running cost and the like, and ensures the sustainable green development of the aquaculture industry.
Description
Technical Field
The utility model belongs to the technical field of aquaculture tail water treatment, and particularly relates to an enhanced three-pond two-dam aquaculture tail water treatment system.
Background
In recent years, the development of the freshwater pond aquaculture industry in China is rapid, and the position in freshwater aquaculture is increasingly important. The existing freshwater aquaculture industry also faces a plurality of problems and challenges, on one hand, the endogenous pollution of an aquaculture pond is serious; on the other hand, a large amount of residual baits and excreta of aquatic animals are directly discharged to a natural water area without treatment, so that eutrophication of water bodies around a cultivation area is increasingly promoted, and huge pressure is caused to the ecological environment.
The existing tail water treatment mode has the defects of excessively high construction investment or easiness in causing secondary pollution; the subsequent maintenance operation cost is too high; the treatment effect is not ideal in actual production due to failure to classify treatment according to the actual water pollution conditions of different cultivars.
Disclosure of Invention
The utility model aims to solve the technical problems that physical precipitation, filler filtration, aeration oxidation, biological assimilation and the like are integrated into a whole, and the ditch or corner pond of a cultivation area is properly modified into a reinforced three-pond two-dam aquaculture tail water treatment system, so that the standard discharge or the cyclic utilization of the cultivation tail water is realized on the premise of realizing the lowest investment.
In order to solve the technical problems, the utility model provides the following technical scheme:
a reinforced three-tank two-dam aquaculture tail water treatment system comprises an artificial wetland, a sedimentation tank, an aeration tank, a biological purification tank and a clean water tank which are connected in sequence; a first filtering dam is arranged between the sedimentation tank and the aeration tank, and a second filtering dam is arranged between the biological purification tank and the clean water tank; the artificial wetland is provided with a total water inlet, the clean water tank is provided with a total water outlet, and water flows from the total water inlet to the artificial wetland, then sequentially passes through the sedimentation tank, the first filtering dam, the aeration tank, the biological purification tank, the second filtering dam and the clean water tank, and finally flows out of the total water outlet; the number of the total water outlets is 3, and the first total water outlet is connected with the outside; the second main water outlet is connected with the culture pond; and the third main water outlet is connected with the artificial wetland.
As a preferable scheme of the utility model, the artificial wetland is provided with emergent aquatic plants and cobble fillers.
As a preferable scheme of the utility model, a sedimentation tank water inlet is arranged at the top of the head end of the sedimentation tank, a sedimentation tank water outlet is arranged at the top of the tail end of the sedimentation tank, a plurality of baffles are arranged in the sedimentation tank, and the baffles are oppositely staggered at intervals and are in S-shaped roundabout flow passages.
As a preferable scheme of the utility model, the direction from the water inlet of the sedimentation tank to the water outlet of the sedimentation tank is the sloping bottom of the sedimentation tank.
As the preferable scheme of the utility model, the first filtering dam and the second filtering dam are main structures surrounded by cement, a filtering layer is arranged in the main structures, the cavity of the main structures is divided into a water inlet cavity positioned above the filtering layer and a water outlet cavity positioned below the filtering layer by the filtering layer, a filtering dam water inlet is arranged on the water inlet cavity, and a filtering dam water outlet is arranged on the water outlet cavity.
As a preferable scheme of the utility model, the filter layer is sequentially provided with a filter stone, an active carbon filter material and a filter screen from top to bottom.
As a preferable scheme of the utility model, an aeration head is arranged in each 3 square meters of the aeration tank, the aeration head is 50 cm away from the tank bottom, an ecological base is arranged in the aeration tank, and bacillus, photosynthetic bacteria and EM bacteria are added periodically.
As a preferable scheme of the utility model, emergent aquatic plants are planted on the bank side of the biological purification tank, submerged plants are planted in a shallow water area of the biological purification tank, and floating plants are planted in a deep water area of the biological purification tank; the total green plant area of the emergent aquatic plants, the submerged plants and the floating plants is 30% of the total area of the biological purification tank.
As a preferable scheme of the utility model, aquatic animals are also put in the biological purification tank.
As a preferable scheme of the utility model, four-season hydrophilic plants are planted in the clean water tank, and quilt plants are planted on the bank, wherein the total green planting area of the four-season hydrophilic plants and the quilt plants is 30% of the total area of the clean water tank.
Compared with the prior art, the reinforced three-pond two-dam aquaculture tail water treatment system has the beneficial effects that:
according to the utility model, the constructed wetland, the sedimentation tank, the first filtering dam, the aeration tank, the biological purification tank, the second filtering dam and the clean water tank are sequentially connected, so that physical sedimentation, filler filtration, aeration oxidation, biological assimilation and the like can be integrated into a whole, and the culture tail water with different pollution types is purified, so that the standard discharge or the recycling of the culture tail water is realized; the water quality is purified, and meanwhile, the water environment of the river channel around the concentrated culture area is improved to a certain extent, so that the method has good environmental benefit; the purified standard water body can be recycled, the improved external river water has better water quality, the occurrence of cultivation diseases is reduced, a virtuous circle is formed, and a certain aquatic product can be obtained in the biological purifying tank every year, so that the biological purifying tank has certain economic benefit; in addition, by disposing beautiful green plants in the constructed wetland, the aeration tank, the biological purification tank and the clean water tank (such as: emergent aquatic plants or floating plants) and has good social benefit. Therefore, the utility model not only can effectively purify the culture tail water to improve the surrounding water environment, but also can realize the increase of the cyclic utilization rate of the culture tail water, has the advantages of low one-time investment, low running cost and the like, and ensures the sustainable green development of the aquaculture industry.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of an enhanced three-pond two-dam aquaculture tail water treatment system provided by the utility model;
FIG. 2 is a schematic structural view of a sedimentation tank;
fig. 3 is a schematic structural view of a first filter dam and a second filter dam.
The marks in the figure:
an artificial wetland 1; a sedimentation tank 2; an aeration tank 3; a biological purification tank 4; a clean water tank 5; a first filtering dam 6; a second filtering dam 7; a sedimentation tank water inlet 21; a sedimentation tank water outlet 22; a baffle 23; a main body structure 61; a filter layer 62; a water inlet chamber 63; a water outlet chamber 64; a filter dam water inlet 65; a filter dam outlet 66; filtering stone 67; activated carbon filter material 68; and a filter screen 69.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.
As shown in fig. 1, the preferred embodiment of the utility model provides an enhanced three-tank two-dam aquaculture tail water treatment system, which comprises an artificial wetland 1, a sedimentation tank 2, an aeration tank 3, a biological purification tank 4 and a clean water tank 5 which are connected in sequence; a first filtering dam 6 is arranged between the sedimentation tank 2 and the aeration tank 3, and a second filtering dam 7 is arranged between the biological purification tank 4 and the clean water tank 5; the artificial wetland 1 is provided with a total water inlet, the clean water tank 5 is provided with a total water outlet, and water flow sequentially passes through the sedimentation tank 2, the first filtering dam 6, the aeration tank 3, the biological purification tank 4, the second filtering dam 7 and the clean water tank 5 and then flows out of the total water outlet. When the ecological ditch type artificial wetland system works, the culture tail water in the culture pond enters the artificial wetland 1 and the sedimentation tank 2 through the ecological ditch for pretreatment; then further removing and decomposing the fine suspended matters through the first filtering dam 6; then enters an aeration tank 3, and nutrient substances such as COD and ammonia nitrogen in the tail water are removed through oxidation, volatilization, decomposition and the like; and then enters the biological purification tank 4 and the clean water tank 5 through the second filtering dam 7, and the comprehensive three-dimensional ecological niche treatment system is constructed by planting aquatic plants, stocking aquatic animals and the like, so that the nitrogen and phosphorus concentration in the water body is effectively reduced, and the purification process of the cultivation tail water is further completed. Therefore, the reinforced three-tank two-dam aquaculture tail water treatment system can integrate physical precipitation, filler filtration, aeration oxidation, biological assimilation and the like into a whole through the constructed wetland 1, the sedimentation tank 2, the first filter dam 6, the aeration tank 3, the biological purification tank 4, the second filter dam 7 and the clean water tank 5 which are sequentially connected, so that the aquaculture tail water with different pollution types can be purified.
The number of the total water outlets is 3, and the first total water outlet is connected with the outside (such as an external river channel) so as to conveniently realize standard discharge; the second main water outlet is connected with the culture pond, so that the purified water can be recycled; the third general water outlet is connected with the artificial wetland 1, so that the purified water is directly recycled to the artificial wetland 1 during the period that the culture tail water is not discharged, and the cyclic utilization rate of the culture tail water is improved. Therefore, through the arrangement of the 3 total water outlets, the purified water bodies can be respectively conveyed to the outside (such as an external river), the culture pond and the constructed wetland 1 according to actual needs, and further the standard discharge or the recycling of the culture tail water is realized.
Illustratively, the artificial wetland 1 is provided with emergent aquatic plants and cobble fillers, so that biological films growing on the surfaces of the cobble fillers are utilized, meanwhile, rich root systems of the emergent aquatic plants are utilized to root the cobble fillers and surface soil, so that the emergent aquatic plants can stop flow, and meanwhile, the cobble fillers are prevented from moving along with water flow, and the treatment effect and the treatment capacity of the biological films are improved.
For example, as shown in fig. 2, in order to improve the treatment efficiency of the sedimentation tank 2, a sedimentation tank water inlet 21 is disposed at the top of the head end of the sedimentation tank 2, a sedimentation tank water outlet 22 is disposed at the top of the tail end of the sedimentation tank 2, a plurality of baffles 23 are disposed in the sedimentation tank 2, and a plurality of baffles are disposed at opposite staggered intervals and form an S-shaped circuitous flow channel. Further, the bottom of the sedimentation tank 2 is a sloping bottom from the water inlet of the sedimentation tank to the water outlet of the sedimentation tank.
As shown in fig. 3, the first filtering dam 6 and the second filtering dam 7 are a main structure 61 surrounded by cement, a filtering layer 62 is disposed in the main structure, the filtering layer divides the cavity of the main structure into a water inlet cavity 63 located above the filtering layer and a water outlet cavity 64 located below the filtering layer, a filtering dam water inlet 65 is disposed on the water inlet cavity, and a filtering dam water outlet 66 is disposed on the water outlet cavity. Further, the filter layer 62 is provided with a filter stone 67, an activated carbon filter material 68 and a filter net 69 in this order from top to bottom.
Illustratively, an aeration head is arranged in each 3 square meters of the aeration tank 3, the aeration head is 50 cm away from the tank bottom, an ecological base is placed in the aeration tank 3, and bacillus, photosynthetic bacteria and EM bacteria are added periodically.
It is understood that the ecological base is a novel method for repairing and maintaining artificial water quality. It is a treated carrier suitable for microbial growth, which once placed in water, immediately adsorbs various aquatic organisms in the water to the surface, and over time, the ecological base surface will attach to growing microorganisms and algae, which play a key role in biofiltering and bioconversion of eutrophic water. Microorganisms attached to ecological bases are very abundant, and complex ecological systems are mainly composed of bacteria, fungi, algae, protozoa, metazoan, and the like. The microorganism system decomposes organic matters in water through metabolism of the microorganism system, microorganisms growing on an ecological base can adsorb substances such as nitrogen, phosphorus, sulfur, carbon and the like in the water, enrich the eutrophic substances, and convert the eutrophic substances into carbon dioxide, water, nitrogen and the like through different microorganism actions, so that nutrient substances required by blue-green algae growth are extracted, the breeding of the blue-green algae is inhibited, and the water quality is gradually improved.
Illustratively, the shore of the biological purification tank 4 is planted with emergent aquatic plants, the shallow water area of the biological purification tank 4 is planted with submerged plants, and the deep water area of the biological purification tank 4 is planted with floating plants; the total green plant area of the emergent aquatic plants, the submerged plants and the floating plants is 30% of the total area of the biological purification tank 4; aquatic animals are also kept in the biological purification tank 4. In this embodiment, the effective water depth of the biological purification tank 4 is 2.5m, and the slope ratio of the biological purification tank 4 is less than or equal to 1:2.5, so that emergent aquatic plants can be planted on the shore and submerged plants can be planted in shallow water areas.
Illustratively, four-season hydrophilic plants are planted in the clean water tank 5, and quilt plants are planted on the shore, wherein the total green planting area of the four-season hydrophilic plants and the quilt plants is 30% of the total area of the clean water tank 5.
In summary, the enhanced three-pond two-dam aquaculture tail water treatment system is formed by properly modifying a ditch or a corner pond of a culture area, can integrate physical precipitation, filler filtration, aeration oxidation, biological assimilation and the like into a whole, purifies the culture tail water with different pollution types, and realizes standard discharge or recycling of the culture tail water; the water quality is purified, and meanwhile, the water environment of the river channel around the concentrated culture area is improved to a certain extent, so that the method has good environmental benefit; the purified standard water body can be recycled, the improved external river water has better water quality, the occurrence of cultivation diseases is reduced, a virtuous circle is formed, and a certain aquatic product can be obtained in the biological purification tank 4 every year, so that the method has certain economic benefit; in addition, the artificial wetland 1, the aeration tank 3, the biological purification tank 4 and the clean water tank 5 are provided with beautiful green plants (such as emergent aquatic plants or floating plants and other aquatic plants), so that the ecological water treatment system has good social benefits. Therefore, the utility model not only can effectively purify the culture tail water to improve the surrounding water environment, but also can realize the increase of the cyclic utilization rate of the culture tail water, has the advantages of low one-time investment, low running cost and the like, and ensures the sustainable green development of the aquaculture industry.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (10)
1. The reinforced three-pond two-dam aquaculture tail water treatment system is characterized by comprising an artificial wetland, a sedimentation tank, an aeration tank, a biological purification tank and a clean water tank which are connected in sequence; a first filtering dam is arranged between the sedimentation tank and the aeration tank, and a second filtering dam is arranged between the biological purification tank and the clean water tank; the artificial wetland is provided with a total water inlet, the clean water tank is provided with a total water outlet, and water flows from the total water inlet to the artificial wetland, then sequentially passes through the sedimentation tank, the first filtering dam, the aeration tank, the biological purification tank, the second filtering dam and the clean water tank, and finally flows out of the total water outlet; the number of the total water outlets is 3, and the first total water outlet is connected with the outside; the second main water outlet is connected with the culture pond; and the third main water outlet is connected with the artificial wetland.
2. The enhanced three pond two dam aquaculture tail water treatment system of claim 1 wherein emergent aquatic plants and cobble filler are disposed in said constructed wetland.
3. The reinforced three-tank two-dam aquaculture tail water treatment system according to claim 1, wherein a sedimentation tank water inlet is formed in the top of the head end of the sedimentation tank, a sedimentation tank water outlet is formed in the top of the tail end of the sedimentation tank, a plurality of baffles are arranged in the sedimentation tank, and a plurality of baffles are oppositely staggered and arranged at intervals and form an S-shaped roundabout flow channel.
4. The enhanced three-pond two-dam aquaculture tail water treatment system according to claim 3, wherein the direction from the water inlet of the sedimentation tank to the water outlet of the sedimentation tank is a sloping bottom.
5. The reinforced three-pond two-dam aquaculture tail water treatment system according to claim 1, wherein the first filtering dam and the second filtering dam are all main structures surrounded by cement, a filtering layer is arranged in the main structures, the cavity of the main structures is divided into a water inlet cavity above the filtering layer and a water outlet cavity below the filtering layer by the filtering layer, a filtering dam water inlet is arranged on the water inlet cavity, and a filtering dam water outlet is arranged on the water outlet cavity.
6. The enhanced three-pond two-dam aquaculture tail water treatment system according to claim 5, wherein the filter layer is provided with a filter stone, an activated carbon filter material and a filter screen from top to bottom.
7. The enhanced three-pond two-dam aquaculture tail water treatment system according to claim 1, wherein an aeration head is arranged in each 3 square meters of the aeration pond, the aeration head is 50 cm away from the bottom of the pond, an ecological base is placed in the aeration pond, and bacillus, photosynthetic bacteria and EM bacteria are added periodically.
8. The enhanced three-pond two-dam aquaculture tail water treatment system according to claim 1, wherein emergent aquatic plants are planted on the bank side of the biological purification pond, submerged plants are planted in a shallow water area of the biological purification pond, and floating plants are planted in a deep water area of the biological purification pond; the total green plant area of the emergent aquatic plants, the submerged plants and the floating plants is 30% of the total area of the biological purification tank.
9. The enhanced three pond, two dam aquaculture tail water treatment system of claim 8 wherein aquatic animals are also housed within said biological purification pond.
10. The enhanced three pond two dam aquaculture tail water treatment system of claim 1, wherein said clean pond is planted with four season hydrophilic plants and a quilt plant is planted on the shore, the total green planting area of said four season hydrophilic plants and said quilt plant is 30% of the total area of said clean pond.
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| CN202223530146.6U CN219239455U (en) | 2022-12-27 | 2022-12-27 | Enhanced three-pond two-dam aquaculture tail water treatment system |
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| CN202223530146.6U CN219239455U (en) | 2022-12-27 | 2022-12-27 | Enhanced three-pond two-dam aquaculture tail water treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117263393A (en) * | 2023-11-21 | 2023-12-22 | 广州市藏绿环保工程技术有限公司 | Ecological system and integration process for treating tail water of compound enhanced aquaculture |
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2022
- 2022-12-27 CN CN202223530146.6U patent/CN219239455U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117263393A (en) * | 2023-11-21 | 2023-12-22 | 广州市藏绿环保工程技术有限公司 | Ecological system and integration process for treating tail water of compound enhanced aquaculture |
| CN117263393B (en) * | 2023-11-21 | 2024-02-09 | 广州市藏绿环保工程技术有限公司 | Ecological system and integration process for treating tail water of compound enhanced aquaculture |
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