CN211946719U - Ecological wetland purifying pond for breeding sewage - Google Patents
Ecological wetland purifying pond for breeding sewage Download PDFInfo
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- CN211946719U CN211946719U CN202020576173.9U CN202020576173U CN211946719U CN 211946719 U CN211946719 U CN 211946719U CN 202020576173 U CN202020576173 U CN 202020576173U CN 211946719 U CN211946719 U CN 211946719U
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Abstract
An ecological wetland purification tank for aquaculture sewage comprises a purification tank body, wherein the purification tank body is divided into an ecological wetland tank and a gravel purification tank by a baffle plate, the lowest part of the baffle plate is not contacted with the bottom of the purification tank body and forms a water seepage flow port for communicating the ecological wetland tank with the gravel purification tank; the upper part of the ecological wetland pool is provided with a sewage inlet, and the bottom of the ecological wetland pool is obliquely arranged towards the seepage port, so that the seepage port is positioned at the lowest part of the bottom of the ecological wetland pool; a ballast layer, a stainless steel metal filter screen layer and a soil matrix layer are sequentially paved in the ecological wetland tank from bottom to top, and a submerged plant layer and a emergent plant layer are arranged in the water surface above the soil matrix layer. The utility model has the advantages that: the activities of submerged plants and emergent plants are utilized to reduce pollutants such as nitrogen, phosphorus and the like in the culture sewage, the sewage treatment efficiency of the wetland purification tank is effectively improved, and the investment cost is low.
Description
Technical Field
The utility model relates to a cultured equipment technical field, concretely relates to breed ecological wetland purifying pond of sewage.
Background
The existing aquaculture fish pond can generate a large amount of aquaculture sewage in the aquaculture process, and the sewage can be recycled after being treated and purified, so that the aquaculture sewage ecological wetland purification pond is needed to carry out ecological purification treatment on the aquaculture sewage after precipitation and filtration.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above insufficiency and provides an ecological wetland purifying tank for breeding sewage.
The utility model comprises a purifying pool body which is divided into an ecological wetland pool and a gravel purifying pool by a baffle plate, wherein the lowest part of the baffle plate is not contacted with the bottom of the purifying pool body and forms a water seepage flow port which communicates the ecological wetland pool and the gravel purifying pool;
the upper part of the ecological wetland pool is provided with a sewage inlet, and the bottom of the ecological wetland pool is obliquely arranged towards the seepage port, so that the seepage port is positioned at the lowest part of the bottom of the ecological wetland pool;
a ballast layer, a stainless steel metal filter screen layer and a soil matrix layer are sequentially paved inside the ecological wetland pool from bottom to top, and a submerged plant layer and an emergent plant layer are arranged in the water surface above the soil matrix layer;
a water outlet is arranged at the upper part of the gravel purification tank, and the height of the water outlet is smaller than that of the sewage inlet;
a gravel layer is laid at the bottom of the gravel purification tank, and the thickness of the gravel layer is half of the height of the gravel purification tank.
The depth of the purifying tank body is 1.8-2.5 m.
And waterproof coating layers are coated on the bottom and the inner wall of the purifying tank body.
The thickness of the stone slag layer is 45-60 cm, stone slag particles with the particle size of 50-160 mm are adopted, and the stone slag particles are zeolite or cobblestones.
The thickness of the soil matrix layer is 60-80 cm.
The height of the seepage flow port is 10-15 cm.
The gravel layer adopts gravel with the grain diameter of 1-5 mm.
The utility model has the advantages that: the activities of submerged plants and emergent plants are utilized to reduce pollutants such as nitrogen, phosphorus and the like in the culture sewage, the sewage treatment efficiency of the wetland purification tank is effectively improved, and the investment cost is low.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in the attached drawings, the utility model comprises a purifying pool body which is divided into an ecological wetland pool 52 and a gravel purifying pool 53 by a baffle 51, wherein the lowest part of the baffle 51 is not contacted with the bottom of the purifying pool body and forms a water seepage and circulation port 58 which communicates the ecological wetland pool 52 with the gravel purifying pool 53;
the upper part of the ecological wetland tank 52 is provided with a sewage inlet 54, the bottom of the ecological wetland tank 52 is obliquely arranged towards the seepage port 58, so that the seepage port 58 is positioned at the lowest part of the bottom of the ecological wetland tank 52;
a slag layer 55, a stainless steel metal filter screen layer 56 and a soil matrix layer 57 are sequentially paved inside the ecological wetland pool 52 from bottom to top, and a submerged plant layer 59 and an emergent plant layer 60 are arranged in the water surface above the soil matrix layer 57;
a water outlet 61 is arranged at the upper part of the gravel purification tank 53, and the height of the water outlet 61 is smaller than that of the sewage inlet 54;
a gravel layer 62 is laid at the bottom of the gravel purification tank 53, and the thickness of the gravel layer 62 is half of the height of the gravel purification tank 53.
The depth of the purifying tank body is 1.8-2.5 m.
And waterproof coating layers are coated on the bottom and the inner wall of the purifying tank body.
The thickness of the stone slag layer 55 is 45-60 cm, stone slag particles with the particle size of 50-160 mm are adopted, and the stone slag particles are zeolite or cobblestones.
The thickness of the soil matrix layer 57 is 60-80 cm.
The height of the seepage through hole 58 is 10-15 cm.
The gravel layer 62 is made of gravel with the particle size of 1-5 mm.
The working mode is as follows: after the sewage of the fish culture pond is subjected to primary treatment such as precipitation and aeration filtration, the sewage enters the ecological wetland pond through the sewage inlet, the sewage absorbs pollutants such as nitrogen and phosphorus in the ecological wetland pond through the emergent water plant layer and the submerged water plant layer, then slowly permeates through the soil matrix layer, the stainless steel metal filter screen layer and the stone residue layer, enters the bottom of the gravel purification pond through the water seepage circulation port, slowly permeates through the gravel layer under the action of water pressure, and finally overflows from the water outlet at the upper part of the gravel purification pond through the gravel layer, so that the recycling of the cultured sewage can be realized. The utility model discloses an ecological purification tank utilizes the activity of benthophyte and emergent aquatic plant to reduce pollutants such as nitrogen, phosphorus in the breed sewage, has effectively improved wetland purification tank sewage treatment efficiency, and investment cost is low.
Claims (7)
1. The ecological wetland purification tank for the aquaculture sewage is characterized by comprising a purification tank body, wherein the purification tank body is divided into an ecological wetland tank (52) and a gravel purification tank (53) by a baffle (51), the lowest part of the baffle (51) is not contacted with the bottom of the purification tank body, and a water seepage port (58) for communicating the ecological wetland tank (52) with the gravel purification tank (53) is formed;
the upper part of the ecological wetland pool (52) is provided with a sewage inlet (54), the bottom of the ecological wetland pool (52) is obliquely arranged towards the seepage flow port (58), so that the seepage flow port (58) is positioned at the lowest position of the bottom of the ecological wetland pool (52);
a ballast layer (55), a stainless steel metal filter screen layer (56) and a soil matrix layer (57) are sequentially paved inside the ecological wetland pool (52) from bottom to top, and a submerged plant layer (59) and an emergent aquatic plant layer (60) are arranged in the water surface above the soil matrix layer (57);
a water outlet (61) is arranged at the upper part of the gravel purification tank (53), and the height of the water outlet (61) is smaller than that of the sewage inlet (54);
a gravel layer (62) is laid at the bottom of the gravel purification pool (53), and the thickness of the gravel layer (62) is half of the height of the gravel purification pool (53).
2. The ecological wetland purification tank for aquaculture sewage of claim 1, wherein the depth of the tank body of the purification tank is 1.8-2.5 m.
3. The ecological wetland purification tank for aquaculture sewage of claim 1, wherein the bottom and the inner wall of the purification tank body are coated with waterproof coating layers.
4. The ecological wetland purification tank for aquaculture sewage according to claim 1, characterized in that the thickness of the ballast layer (55) is 45-60 cm, and ballast particles with the particle size of 50-160 mm are adopted, and the ballast particles are zeolite or cobblestones.
5. The ecological wetland purification tank for aquaculture sewage of claim 1, characterized in that the thickness of the soil matrix layer (57) is 60-80 cm.
6. The ecological wetland purification tank for aquaculture sewage of claim 1, characterized in that the height of the seepage openings (58) is 10-15 cm.
7. The ecological wetland purification tank for aquaculture sewage of claim 1, characterized in that the gravel layer (62) is made of gravel with a particle size of 1-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020576173.9U CN211946719U (en) | 2020-04-17 | 2020-04-17 | Ecological wetland purifying pond for breeding sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020576173.9U CN211946719U (en) | 2020-04-17 | 2020-04-17 | Ecological wetland purifying pond for breeding sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211946719U true CN211946719U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020576173.9U Active CN211946719U (en) | 2020-04-17 | 2020-04-17 | Ecological wetland purifying pond for breeding sewage |
Country Status (1)
| Country | Link |
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| CN (1) | CN211946719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582344A (en) * | 2021-04-29 | 2021-11-02 | 南京必蓝环境技术有限公司 | Ecological landscape artificial wetland system of three-dimensional horizontal subsurface flow |
| CN113698032A (en) * | 2021-08-10 | 2021-11-26 | 长江生态环保集团有限公司 | Sewage purification integrated device and method for coupling biological treatment and ecological treatment |
-
2020
- 2020-04-17 CN CN202020576173.9U patent/CN211946719U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582344A (en) * | 2021-04-29 | 2021-11-02 | 南京必蓝环境技术有限公司 | Ecological landscape artificial wetland system of three-dimensional horizontal subsurface flow |
| CN113582344B (en) * | 2021-04-29 | 2024-04-16 | 南京东宸供应链管理有限公司 | Ecological landscape constructed wetland system of three-dimensional horizontal undercurrent |
| CN113698032A (en) * | 2021-08-10 | 2021-11-26 | 长江生态环保集团有限公司 | Sewage purification integrated device and method for coupling biological treatment and ecological treatment |
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