High-density circulating water fish culture equipment

Abstract

The invention discloses high-density circulating water fish culture equipment, and belongs to the technical field of fish culture, the high-density circulating water fish culture equipment comprises a culture device and a water treatment device, the culture device comprises a culture barrel, a water inlet device and a drainage device, the water outlet end of the water treatment device is communicated with the water inlet device, and the water inlet device is used for providing new water for the culture barrel; the bottom of the culture barrel is communicated with the water inlet end of the water treatment device through the drainage device, the drainage device is used for conveying old water and sediments at the bottom of the culture barrel into the water treatment device for treatment, a plurality of net barrels are arranged in the culture barrel, the net barrels are sequentially arranged in a sleeved mode, the culture area is partitioned through the net barrels, and the purpose of culturing different fishes is achieved. Meanwhile, the water treatment device conducts circulation treatment on water, new water and oxygen are continuously provided for the breeding area, oxygen deficit in the breeding area is avoided while water flowing is guaranteed, and the purpose of high-density breeding is achieved.

Description

technical field [0001] The invention relates to the technical field of fish farming, in particular to high-density circulating water fish farming equipment. Background technique [0002] Pond circulating water aquaculture is a new model that changes the traditional old pond fish farming method into a new model of concentrated fish farming in running water tanks. Its advantage is that farmed fish always grow in running water with high dissolved oxygen, and the cultured fish grows fast. It has high survival rate, high per unit area yield, low feed coefficient, convenient production management, and convenient fishing. It is a new ecological and healthy breeding technology with high efficiency, energy saving, environmental protection and green. [0003] However, the existing aquaculture technology has the following problems: 1. The aquaculture device occupies a large area and cannot make more reasonable use of the aquaculture space, resulting in higher aquaculture costs; 2. In o...

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Problems solved by technology

[0003] However, the existing aquaculture technology has the following problems: 1. The aquaculture device occupies a large area and cannot make more reasonable use of the aquaculture space, resulting in higher aquaculture costs; 2. In order to avoid different fish in the same high-density aquaculture area 3. The water in the breeding device is "dead" water and cannot flow, resulting in poor taste and short survival life of the cultured fish

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