Circulating water treatment method of seawater for cultivation and device thereof

Abstract

The invention provides a circulating water treatment method of seawater for aquaculture, which includes the following steps: A, the aquaculture water discharged from the aquaculture pond, using a purification box to perform preliminary purification and sewage discharge of the aquaculture water, B, using electrocatalytic oxidation The device ionizes the culture water and decomposes the organic matter, C. uses the purification tank and the aeration pump to oxygenate the culture water, and D. uses the multi-stage fine filter to filter and activate the culture water. The aquaculture water enters the water storage tank and is introduced into the aquaculture pond through a water pump. The present invention solves the pollution of the above-mentioned toxic and harmful substances to the breeding circulating seawater by decomposing ammonia nitrogen, nitrite, and organic matter in the circulating seawater and killing bacteria and viruses in the water, and solves the problem by aeration of the purification pool and multi-stage fine filtration. The problem of poor activity of circulating seawater optimizes the quality of aquaculture water, and the quality of purified seawater is suitable for the recycling of aquatic products.

Description

Technical field: [0001] The invention relates to the technical field of water treatment for aquaculture, in particular to a method for treating circulating water of seawater for aquaculture and equipment thereof. Background technique: [0002] my country has a long coastline and rich seawater resources, and it is better than aquaculture. After seawater is used, its composition is complex and seriously polluted. The water also contains a large number of poisonous and harmful substances such as bacteria, viruses, ammonia nitrogen, nitrite, and organic matter. The existence of these conditions, the recycling of seawater can lead to slow growth of cultured organisms, low survival rate, and even the death of all cultured organisms, which seriously threatens the quality and safety of circulating seawater aquaculture, and brings economic losses. [0003] Seawater recirculating aquaculture is an advanced form of industrialized aquaculture. It actively controls the water environment...

AI Technical Summary

Problems solved by technology

This circulating water purification method, which is filtered through a multi-layer purification structure (wire mesh group + sand filter wall) and then purified by biological purification (shellfish filtration, seaweed restoration), has complicated results and is not easy to operate.

Images