Industrial circulating seawater aquiculture system

A recirculating aquaculture and industrial technology, applied in fish farming, application, animal husbandry and other directions, can solve the problems of limited scale application, high cost, marine environmental pollution, etc., to reduce adverse effects, less water treatment equipment, The effect of simple process flow

Inactive Publication Date: 2012-09-12
AQUATIC PROD RES INST SHANDONG PROV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the scale of seawater factory aquaculture in my country has reached 7 million m 2 According to the calculation of 5 water changes per day, the daily discharge of aquaculture wastewater is close to 15 million cubic meters, which is equivalent to the storage capacity of a medium-sized reservoir. The discharged wastewater contains a large amount of residual bait and feces, causing marine environmental pollution
Moreover, most of them are pumping underground seawater, which leads to the depletion of groundwater resources, causing backwashing of seawater, salinization of land, encroachment of surface vegetation, and the death of a large number of coastal defense forests.
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  • Industrial circulating seawater aquiculture system
  • Industrial circulating seawater aquiculture system
  • Industrial circulating seawater aquiculture system

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Embodiment

[0026] The seawater industrialized recirculating aquaculture system of this embodiment includes a culture pond, a residual bait and feces separation system sequentially connected to the culture pond through pipelines, an air flotation system for further separating solid microparticle residues in the water body, and an air flotation system for removing organic matter in the water body. The buried biological water treatment system for pollutants, the ground source heat pump system for regulating the temperature of the water body, the high-level pool for disinfecting the water body, and the aeration and oxygenation system for supplementing the water body in the breeding pond;

[0027] The residual bait and feces separation system includes a flushing pipe 1 that extends into the bottom of the breeding pond, a residual bait and feces collection channel 2 that communicates with the sewage outlet 4 of the breeding pond, and a central pipe 3 that extends into the breeding pond to discha...

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Abstract

The invention relates to a circulating seawater aquiculture system, in particular to an industrial circulating seawater aquiculture system which belongs to the technical field of seafood aquiculture. The industrial circulating seawater aquiculture system comprises culture ponds, a residual bait and excrement separation system, an air floatation system, a buried biological water treatment system, a ground source heat pump system, an elevated tank and an aeration system, wherein the residual bait and excrement separation system is sequentially connected with the culture ponds through pipelines, the air flotation system is used for further separating solid residual microparticles in water, the buried biological water treatment system is used for removing organic pollutants in the water, the ground source heat pump system is used for regulating temperature of the water, the elevated tank is used for sterilizing the water, and the aeration system is used for supplementing air into the water in the culture ponds. By the aid of the industrial circulating seawater aquiculture system, input cost of industrial circulating seawater aquiculture and energy consumption in aquiculture are reduced greatly, utilization rate of seawater resources is increased, emission of CO2, SO2 and the like is avoided, and energy conservation and environment protection are achieved. Aquacultural waste is recycled to achieve turning waste into wealth. The industrial circulating seawater aquiculture system has the advantages that process flow is simple, required water treatment devices are few and the like.

Description

technical field [0001] The invention relates to a seawater circulation aquaculture system, in particular to a factory-like seawater circulation aquaculture system, which belongs to the technical field of seafood cultivation. Background technique [0002] In recent years, due to overfishing and aggravated environmental pollution, marine fishery resources are declining day by day, and seafood is far from meeting market demand. We can only rely on the development of mariculture to alleviate the pressure on seafood demand. my country's mariculture industry is developing rapidly, with increasing species, expanding scale, and increasing intensification. However, there are many problems such as excessive energy consumption and self-pollution of aquaculture, which hinder the sustainable development of the mariculture industry. [0003] Industrial farming is one of the more common farming models in coastal areas, and it is also the most important intensive farming model for maricultu...

Claims

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Application Information

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IPC IPC(8): A01K63/04
Inventor 张利民王际英李宝山黄炳山陈玮
Owner AQUATIC PROD RES INST SHANDONG PROV
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