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Aquaculture wastewater treatment device and treatment method

A technology for wastewater treatment and aquaculture, applied in water/sewage treatment, animal husbandry wastewater treatment, water/sewage multi-stage treatment, etc. Achieve the effect of reducing the labor intensity of manual operation, realizing mechanized operation, and improving the efficiency of breeding

Active Publication Date: 2021-09-28
ZHOUSHAN OCEAN UNIV SCI & TECH RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the pollution in the aquaculture environment restricts the development of the aquaculture industry; on the other hand, the discharge of pollutants cannot be dealt with in time, resulting in deterioration of water quality and seriously affecting the balance of the aquaculture ecosystem.
[0003] At present, most of the sewage systems in the market need to be manually cleaned regularly due to the large area of ​​the bottom, which is time-consuming and labor-intensive. Especially in summer, the temperature is high and oxygen is insufficient, and the temperature cannot be relieved. If the pollutants in the pool are not resolved in time, they will easily deteriorate and cause bacterial infection. Aquaculture, causing heavy losses, and the heat energy in the cleaned bottom waste cannot be effectively utilized in conventional water treatment processes

Method used

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  • Aquaculture wastewater treatment device and treatment method
  • Aquaculture wastewater treatment device and treatment method
  • Aquaculture wastewater treatment device and treatment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] see Figure 1-7 As shown, the aquaculture wastewater treatment device includes:

[0041] The waste collection assembly 100 is arranged above the aquaculture water body,

[0042] The land-based water purification unit 300 is located on the ground, and the land-based water purification unit 300 is connected to the waste collection unit 100 through the sewage pipe 200,

[0043] Wherein, the waste collection assembly 100 includes a floating body 20, a separation box 10 is arranged on the floating body 20, a first mud pump 41 and a second mud pump 31 are respectively arranged in the floating body 20, and the first mud pump 41 is connected with a second extraction pipe 40 Extract the waste at the bottom of the culture water, the second mud pump 31 is connected with the first extraction pipe 30, the length of the first extraction pipe 30 is shorter than the second extraction pipe 40, the first mud pump 41 and the second mud pump 31 are respectively connected with the separati...

Embodiment 2

[0058] A kind of aquaculture wastewater treatment method:

[0059] The second extraction pipe 40 and the first extraction pipe 30 of different lengths are used to extract the wastes at different heights of the bottom layer of the aquaculture water respectively, and obtain the wastes of different water layers;

[0060] Through the first mud pump 41 and the second mud pump 31, the obtained waste and water mixture are sent into the separation tank 10 to perform solid-liquid separation on the extracted waste, and the separated solid is intercepted by the sieve plate 14, and the water is separated for water filtration For treatment, the water body falls to the space at the bottom of the sieve plate 14, and the sewage pipe 200 sends the separated sewage to the land-based water purification module 300 on the bottom surface for water filtration treatment;

[0061] After the sewage enters the land-based water purification unit 300, it first enters the water filter tank 60 for water fil...

Embodiment 3

[0064] Sink test:

[0065] Utilize the indoor water tank, lay sediment at the bottom of the water, utilize the device of example 1 of the present invention to carry out sediment extraction in the water tank, as experimental group 1, observe the process of sediment resuspension, and remove the first extraction pipe 30 of embodiment 1 Then carry out the sediment extraction work again to observe the sediment suspension process, as the experimental group 2.

[0066] The water tank used in the test is 10 meters long, 0.5 meters wide, and 1 meter high. The sediment at the bottom of the water tank is about 4 meters long, 0.5 meters wide, and 0.35 meters high. The particle diameter of the sediment is about 0.036mm, of which the particle size of less than 0.02mm accounts for about 25%. After the sediment in the tank is placed, it needs to be left for 5 days and then slowly injected with fresh water.

[0067] The distance between the second extraction pipe 40 and the sediment of the ex...

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Abstract

The invention discloses an aquaculture wastewater treatment device and a treatment method, which belong to the technical field of water body treatment. The device of the invention includes: a waste collection component arranged above the aquaculture water body; a land-based water purification component arranged on the ground; The water component is connected to the waste collection component through the sewage pipeline. The waste collection component includes a floating body, a separation box is arranged on the floating body, a first mud pump and a second mud pump are respectively arranged in the floating body, and the first mud pump is connected to a second suction pump. The waste at the bottom of the aquaculture water is extracted by the pipe, the first mud pump and the second mud pump are respectively connected to the separation box, and the separation box separates the solid and liquid of the extracted waste, and the sewage is discharged to the land-based clean water through the sewage pipe connected to the bottom of the separation box components. The invention realizes waste water treatment by utilizing mechanical equipment, has a large waste water treatment capacity, effectively prevents pollutants from being suspended at the bottom of the breeding water during the waste water treatment process, and has a high removal rate of suspended matter in the waste water.

Description

technical field [0001] The invention belongs to the technical field of water body treatment, and in particular relates to an aquaculture wastewater treatment device and a treatment method. Background technique [0002] Since the 1970s, the world's aquaculture production has grown rapidly, and its proportion in the aquaculture industry is also increasing. Aquaculture The history of freshwater aquaculture in China can be traced back to the 11th century BC. In the 5th century BC, the "Fish Raising Classic" came out. There are two main types of freshwater aquaculture: one is the intensive cultivation of carps in ponds to obtain high yields by feeding and fertilizing, and the polyculture of various fish with different feeding habits is carried out to give full play to the productivity of the water body. The other type is stocking seedlings in large and medium-sized waters such as lakes, reservoirs, river ditches, and paddy fields, and mainly relying on natural bait to obtain aq...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/08E02B15/10A01K63/04C02F103/20
CPCA01K63/04C02F1/001C02F1/281C02F1/283C02F1/32C02F1/44C02F1/52C02F1/78C02F9/00C02F2103/20C02F2201/002C02F2201/003C02F2201/008C02F2201/782C02F2301/08C02F2303/04E02B15/10
Inventor 高阳储张杰王小军王晗栋赵波牟毅徐波
Owner ZHOUSHAN OCEAN UNIV SCI & TECH RES INST CO LTD
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