Automatic sewage discharge system and method for prawn intensive culture pond

Abstract

The invention discloses an automatic sewage discharging system and an automatic sewage discharging method of a prawn intensive culturing pond. The automatic sewage discharging system comprises a sewage discharging well, wherein the sewage discharging well is arranged at one side of the pond, the bottom surface of the sewage discharging well is lower than the bottom surface of the pond, the center parts of the bottom surfaces of the pond and the sewage discharging well are respectively provided with a sewage discharging outlet and a sewage inlet, the sewage discharging outlet and the sewage inlet are communicated through a U-shaped sewage discharging pipe, the sewage discharging well is also internally provided with an automatic switching device of the sewage inlet, the automatic switching device comprises a seal ball, a lifting rod, a moving block, a screw rod and an electric motor which drives the screw rod to rotate, the moving block is arranged on the screw rod and can move upwards or downwards along the screw rod, the upper end and the lower end of the lifting rod are respectively and fixedly connected with the moving block and the seal ball, and the starting / stopping of the electric motor is controlled by a microcomputer time switch. According to the automatic sewage discharging system disclosed by the invention, the sewage discharging can be automatically controlled through timing set, the labor intensity of fishing workers can be effectively reduced, the sewage discharging can be quantitatively carried out on time, stable water quality of the pond can be effectively maintained, the happening of disease can be reduced, and the using value is very high.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to an automatic sewage system and method for a shrimp intensive culture pond. Background technique [0002] Shrimp aquaculture is the pillar industry of my country's aquaculture industry, and its aquaculture output ranks first in the world. In 2012, China's shrimp production reached 1.56 million tons, accounting for about 40% of the world's shrimp production. Although pond aquaculture has reached the international leading level in scale and output, the sustainable development of the industry still faces severe challenges. [0003] Shrimp farming includes intensive farming, semi-intensive farming and extensive farming. Intensive farming is a high-input, high-output and high-risk farming method. In coastal areas, large-scale farming enterprises and farmers adopt this model. The high-density and intensive cultivation mode of prawns has a high density of seedlings. In the middle and late sta...

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Problems solved by technology

This process is time-consuming and labor-intensive, and after long-term use, the contact parts between the drain outlet of the drain pipe and the sealing plug will often stick together, and it is difficult to pull it out manually, which is laborious

At the same time, in the traditional sewage discharge method, the sewage discharge time is controlled by the breeding workers, which is difficult to accurately grasp, and the problem of incomplete sewage discharge or excessive drainage is prone to occur. The problem

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