Treatment device and treatment method for aquaculture wastewater

Abstract

The invention discloses a treatment device and a treatment method for aquaculture wastewater, belonging to the technical field of water treatment. The treatment device of the invention comprises a waste collection assembly which is arranged above an aquaculture water body and a land-based water purification assembly which is arranged on the ground, wherein the land-based water purification assembly is connected with the waste collection assembly through a sewage pipeline; the waste collection assembly comprises a floating body; a separation box is arranged on the floating body; a first mud pump and a second mud pump are separately arranged in the floating body; the first mud pump is connected with a second extraction pipe to extract waste at the bottom of aquaculture water; the first mud pump and the second mud pump are separately connected with the separation box; the separation box performs solid-liquid separation on extracted waste; and sewage is discharged to the land-based water purification assembly through a sewage pipeline connected to the bottom of the separation box. The treatment device of the invention treats wastewater by using mechanical equipment, is large in wastewater treatment capacity, can effectively prevent pollutant suspension at the bottom of the aquaculture water in the process of wastewater treatment, and is high in the removal rate of suspended mattersin the wastewater.

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 achieve high yields by feeding and fertilizing, and the polyculture of various fish with different feeding habits 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 aquatic products...

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

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