Water replacement device for aquaculture

Abstract

The invention discloses a water replacement device for aquaculture. The water replacement device comprises a bottom plate. A water pump, a treatment tank and an oxygenation mechanism are sequentiallyarranged on the upper surface of the bottom plate from left to right. A stirring mechanism is rotatably arranged in an inner cavity of the treatment tank. A driving motor for rotating the stirring mechanism is arranged in the middle of the top of the treatment tank. A feeding mechanism is arranged on the left side of the top of the treatment tank. An oxygen supply pipe for oxygen supply is arranged on the right side of the top of the treatment tank. A water inlet is arranged at a position, close to the left side of the oxygen supply pipe, of the top of the treatment tank, and a water outlet isarranged on the upper portion of the left side wall of the treatment tank. The water replacement device has the advantages that the movement efficiency of a water changing device of a fish-vegetablesymbiosis system can be improved, water changing devices do not need to be mounted beside culture ponds respectively, the cost for fish-vegetable symbiotic breeding is reduced, and the quality of replacement water is improved.

Description

technical field [0001] The invention relates to the technical field of aquaculture equipment, in particular to an aquaculture water replacement device. Background technique [0002] Fish and vegetable symbiosis is a new type of compound farming system. It combines aquaculture and hydroponics, two completely different farming techniques, through ingenious ecological design, to achieve scientific synergy and symbiosis, so as to realize fish farming without changing water. There is no water quality concern, and the ecological symbiosis effect of normal growth of vegetables without fertilization, but when the fish and vegetable symbiosis system is out of balance due to external factors in the breeding pond, and the water quality of the breeding pond deteriorates, it is necessary to use water exchange equipment to replace the water body. [0003] Most of the existing water changing equipment is fixedly installed next to the fish and vegetable symbiosis system breeding pond, but d...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems in the prior art due to the characteristics of the fish and vegetable symbiosis system, which leads to the low utilization rate of the water changing equipment in the breeding pond, resulting in a large waste of equipment, and the installation of water changing equipment in each breeding pond leads to the symbiosis of fish and vegetables. The cost is too high, and the structure of the water changing equipment is simple, the function is single, and it is easy to affect the quality of the water body replacement, and the proposed aquaculture water body replacement device

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