Biochemical circulation treatment device for land-based culture sewage

Abstract

The utility model discloses a land-based culture sewage biochemical circulation treatment device, which comprises a land-based culture pond, a microfilter, a foam separator and a biochemical treatment pond, the biochemical treatment pond comprises a pond body, a filter material layer, a water inlet pipe and a water outlet pipe, the filter material layer is arranged in the biochemical treatment pond, one end of the water inlet pipe is communicated with the foam separator, and the other end of the water inlet pipe is communicated with the microfilter. The other end of the water inlet pipe is communicated with the bottom of the biochemical treatment pond, one end of the water outlet pipe is communicated with the lateral upper part of the biochemical treatment pond, and the other end of the water outlet pipe is communicated with the land-based culture pond. According to the biochemical circulating treatment device for the land-based culture sewage, water in the biochemical treatment tank flows in from the bottom at a certain speed, and the porous plastic plate filter material layer or the fiber ball filter material layer of the filter material layer floats and is in a fluidized state by upward water flow, so that a large specific surface area is provided, the contact opportunity of the water and a biological membrane can be effectively increased, and the biological membrane is prevented from being damaged. The purification efficiency is improved, the water quality in the land-based culture pond is improved, and the culture benefit is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aquaculture, in particular to a land-based aquaculture sewage biochemical circulation treatment device. Background Art

[0002] In aquaculture, traditional cage culture or pond culture is generally used. However, there are many problems with traditional cage culture or pond culture. For example, animal feces and leftover bait will release a large amount of harmful substances such as ammonia nitrogen, nitrite, hydrogen sulfide, etc. in the water during the breeding process, and will also breed a large number of bacteria and cause problems such as lack of oxygen in the pond, which will have an adverse effect on the health and growth of fish, thus polluting the breeding environment, making the breeding environment poor, etc., resulting in slow fish growth, long breeding cycle, and high breeding costs.

[0003] Therefore, those skilled in the art provide a land-based aquaculture wastewater biochemical circulation treatment device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a land-based aquaculture sewage biochemical circulation treatment device which has high water purification efficiency and can simultaneously carry out circulation treatment of sewage.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A land-based aquaculture wastewater biochemical circulation treatment device comprises a land-based aquaculture pond, a microfilter, a foam separator and a biochemical treatment pond, wherein the land-based aquaculture pond is communicated with the microfilter, the microfilter is communicated with the foam separator, the foam separator is communicated with the biochemical treatment pond, and the biochemical treatment pond is connected to the land-based aquaculture pond; the biochemical treatment pond comprises a pond body, a filter material layer, an inlet pipe and an outlet pipe, the filter material layer is arranged in the biochemical treatment pond, one end of the inlet pipe is communicated with the foam separator, the other end of the inlet pipe is communicated with the bottom of the biochemical treatment pond, one end of the outlet pipe is communicated with the upper side of the biochemical treatment pond, and the other end of the outlet pipe is communicated with the land-based aquaculture pond.

[0007] Preferably, the filter material layer includes a ceramsite layer and a porous plastic plate filter material layer, the ceramsite layer is arranged at the bottom, and the porous plastic plate filter material layer is arranged above the ceramsite layer; the pipe mouth of the water inlet pipe is arranged between the ceramsite layer and the porous plastic plate filter material layer.

[0008] Preferably, the porous plastic plate filter material layer includes a plurality of laid porous plastic plate filter materials, and the porous plastic plate filter material includes a first layer of porous plastic plate and a second layer of porous plastic plate, wherein fiber filaments are filled between the first layer of porous plastic plate and the second layer of porous plastic plate.

[0009] Preferably, the porous plastic plate filter material is circular or irregular polygonal.

[0010] Preferably, the filter material layer further comprises a fiber ball filter material layer, and the fiber ball filter material layer is arranged above the porous plastic plate filter material layer.

[0011] Preferably, the fiber ball filter material layer includes a plurality of laid fiber ball filter materials.

[0012] Preferably, the body of the biochemical treatment pool is a cylindrical structure.

[0013] Preferably, the cell body is made of PE board.

[0014] Preferably, a first filter is provided at the connection point between the water inlet pipe and the biochemical treatment pool, and a second filter is provided at the connection point between the water outlet pipe and the biochemical treatment pool.

[0015] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0016] (1) The land-based aquaculture wastewater biochemical circulation treatment device of the utility model purifies the water quality through biological filtration in the biochemical treatment pool and then discharges it into the land-based aquaculture pool, thereby realizing the recycling of water quality; the water in the biochemical treatment pool flows in from the bottom at a certain speed, and the upward water flow makes the porous plastic plate filter layer or the fiber ball filter layer of the filter layer float and be in a fluidized state, thereby providing a large specific surface area, increasing the contact opportunity between water and biofilm, and improving purification efficiency.

[0017] (2) The land-based aquaculture wastewater biochemical circulation treatment device of the utility model purifies the water quality of the land-based aquaculture pond through the biochemical treatment pool, which can effectively improve the water quality in the land-based aquaculture pond, effectively ensure the fish breeding environment, increase the dissolved oxygen in the water, and improve the breeding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall process of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the biochemical treatment pool of Example 1 of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the biochemical treatment pool of Example 2 of the utility model;

[0021] Figure 4 This is a front view of the porous plastic plate filter material of the utility model;

[0022] In the attached figure, 1-land-based breeding pond, 2-microfiltration machine, 3-foam separator, 4-biochemical treatment tank, 5-water inlet pipe, 6-water outlet pipe, 401-ceramsite layer, 402-porous plastic plate filter material layer, 403-fiber ball filter material layer, 404-porous plastic plate filter material DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many details listed in the specification are only for the purpose of enabling the reader to have a thorough understanding of one or more aspects of the present invention, and these aspects of the utility model can be realized even without these specific details.

[0024] Example 1

[0025] like Figure 1 As shown, a land-based aquaculture wastewater biochemical circulation treatment device comprises a land-based aquaculture pond 1, a microfilter 2, a foam separator 3 and a biochemical treatment pond 4, wherein the land-based aquaculture pond 1 is communicated with the microfilter 2, the microfilter 2 is communicated with the foam separator 3, the foam separator 3 is communicated with the biochemical treatment pond 4, and the biochemical treatment pond 4 is communicated with the land-based aquaculture pond 1; the body of the biochemical treatment pond 4 is a cylindrical structure, and the body is made of PE board, including a body, a filter material layer, an inlet water layer, a filter material ... The filter material layer is arranged in the biochemical treatment pool 4, one end of the water inlet pipe 5 is communicated with the foam separator 3, the other end of the water inlet pipe 5 is communicated with the bottom of the biochemical treatment pool 4, one end of the water outlet pipe 6 is communicated with the upper side of the biochemical treatment pool 4, the other end of the water outlet pipe 6 is communicated with the land-based breeding pool, a first filter screen is arranged at the connection between the water inlet pipe 5 and the biochemical treatment pool 4, and a second filter screen is arranged at the connection between the water outlet pipe 6 and the biochemical treatment pool 4; Figure 2 As shown, the filter material layer includes a ceramsite layer 401 and a porous plastic plate filter material layer 402. The ceramsite layer 401 is arranged at the bottom, and the ceramsite layer 401 provides a suitable living environment for aquatic microorganisms. The microorganisms continuously absorb organic matter in the water, thereby purifying the water body; the porous plastic plate filter material layer 402 is arranged above the ceramsite layer; the porous plastic plate filter material layer 402 includes a plurality of porous plastic plate filter materials 404 arranged in a laid manner, such as Figure 4As shown, the porous plastic plate filter material 404 can be a layer of porous plastic plate with fiber filaments attached to the side; the porous plastic plate filter material can also include a first layer of porous plastic plate and a second layer of porous plastic plate, and the first layer of porous plastic plate and the second layer of porous plastic plate are filled with fiber filaments, and the porous plastic plate filter material is circular or irregular polygonal, and the pipe mouth of the water inlet pipe 5 is arranged between the expanded clay layer and the porous plastic plate filter material layer; the porous plastic plate filter material is used as a biofilm carrier, and the upward water flow flowing in at a certain speed from the bottom of the biochemical treatment pool causes the porous plastic plate filter material layer of the filter material layer to float and be in a fluidized state, thereby providing a large specific surface area, increasing the contact opportunity between water and the biofilm, and improving the purification efficiency.

[0026] Example 2

[0027] like Figure 3 As shown, the filter material layer includes a ceramsite layer 401, a porous plastic plate filter material layer 402 and a fiber ball filter material layer 403. The ceramsite layer 401 is arranged at the bottom, and the ceramsite layer 401 provides a suitable living environment for aquatic microorganisms, and the microorganisms continuously absorb organic matter in the water, thereby playing a role in purifying the water body; the porous plastic plate filter material layer 402 is arranged above the ceramsite layer 401, and the fiber ball filter material layer 403 is arranged above the porous plastic plate filter material layer 402; the porous plastic plate filter material layer 402 includes a plurality of porous plastic plate filter materials laid out, and the fiber ball filter material layer 403 includes a plurality of fiber ball filter materials laid out; as shown Figure 4 As shown, the porous plastic plate filter material 404 can be a layer of porous plastic plate with fiber filaments attached to the side; the porous plastic plate filter material can also include a first layer of porous plastic plate and a second layer of porous plastic plate, and the first layer of porous plastic plate and the second layer of porous plastic plate are filled with fiber filaments, and the porous plastic plate filter material is circular or irregular polygonal, and the pipe mouth of the water inlet pipe 5 is arranged between the expanded clay layer and the porous plastic plate filter material layer; the porous plastic plate filter material and the fiber ball filter material are used as biofilm carriers, and the upward water flow flowing in at a certain speed from the bottom of the biochemical treatment tank 4 causes the porous plastic plate filter material of the filter material layer to float and be in a fluidized state, thereby providing a large specific surface area, increasing the contact opportunity between water and the biofilm, and improving the purification efficiency.

[0028] The land-based aquaculture wastewater biochemical circulation treatment device of the utility model can initially precipitate large impurities in the fish farming wastewater at the bottom of the land-based aquaculture pond, then remove small impurities through a microfiltration machine, and then remove suspended impurities through a foam separator, and finally remove ammonia nitrogen in the water through a biochemical treatment pool, and then flow back to the land-based aquaculture pond, thereby solving the problem that ordinary land-based aquaculture pond wastewater is directly treated and discharged without recycling, saving water and reducing pollution. The water in the biochemical treatment pool of the utility model flows in from the bottom at a certain speed, and the upward water flow makes the porous plastic plate filter layer or the fiber ball filter layer of the filter layer float in a fluidized state, thereby providing a large specific surface area, increasing the contact opportunity between water and biofilm, and improving purification efficiency. It can effectively improve the water quality of the water body in the land-based aquaculture pond, effectively ensure the fish breeding environment, increase the dissolved oxygen in the water body, and improve the breeding efficiency.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A land-based aquaculture wastewater biochemical cycle treatment device, characterized in that: It includes a land-based breeding pond, a microfilter, a foam separator and a biochemical treatment pond, the land-based breeding pond is communicated with the microfilter, the microfilter is communicated with the foam separator, the foam separator is communicated with the biochemical treatment pond, and the biochemical treatment pond is connected with the land-based breeding pond; the biochemical treatment pond includes a pond body, a filter material layer, a water inlet pipe and a water outlet pipe, the filter material layer is arranged in the biochemical treatment pond, one end of the water inlet pipe is communicated with the foam separator, the other end of the water inlet pipe is communicated with the bottom of the biochemical treatment pond, one end of the water outlet pipe is communicated with the upper side of the biochemical treatment pond, and the other end of the water outlet pipe is communicated with the land-based breeding pond.

2. The land-based aquaculture wastewater biochemical cycle treatment device according to claim 1 is characterized in that: The filter material layer comprises a ceramsite layer and a porous plastic plate filter material layer, the ceramsite layer is arranged at the bottom, and the porous plastic plate filter material layer is arranged at the top of the ceramsite layer; the pipe mouth of the water inlet pipe is arranged between the ceramsite layer and the porous plastic plate filter material layer.

3. The land-based aquaculture wastewater biochemical cycle treatment device according to claim 2 is characterized in that: The porous plastic plate filter material layer includes a plurality of laid porous plastic plate filter materials, and the porous plastic plate filter material includes a first layer of porous plastic plates and a second layer of porous plastic plates, wherein fiber filaments are filled between the first layer of porous plastic plates and the second layer of porous plastic plates.

4. The land-based aquaculture wastewater biochemical cycle treatment device according to claim 3 is characterized in that: The porous plastic plate filter material is circular or irregularly polygonal.

5. The land-based aquaculture wastewater biochemical cycle treatment device according to claim 2 is characterized in that: The filter material layer also includes a fiber ball filter material layer, and the fiber ball filter material layer is arranged above the porous plastic plate filter material layer.

6. The land-based aquaculture wastewater biochemical cycle treatment device according to claim 5 is characterized in that: The fiber ball filter material layer includes a plurality of laid fiber ball filter materials.

7. The land-based aquaculture wastewater biochemical cycle treatment device according to claim 1 is characterized by: The body of the biochemical treatment pool is in a cylindrical structure.

8. The land-based aquaculture wastewater biochemical cycle treatment device according to claim 1 is characterized by: The cell body is made of PE board.

9. The land-based aquaculture wastewater biochemical cycle treatment device according to claim 1 is characterized by: A first filter screen is arranged at the connection point between the water inlet pipe and the biochemical treatment pool, and a second filter screen is arranged at the connection point between the water outlet pipe and the biochemical treatment pool.

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