Automatic control under-ice air pressure type oxygen increasing machine

Abstract

The invention relates to an air pressure type under-ice oxygen increasing machine with automatic control function, which comprises a support frame, a floating pontoon, a motor, an outer protective support cylinder, a hollow air pressure shaft, a pressure-boost blade, a negative pressure oxygen increasing wheel, an automatic control device and the like, wherein the support frame is fixed on the floating pontoon to support the main frame together; the motor is connected directly with the hollow air pressure shaft through a flexible disc type coupling; a frame flange is connected with the front end of the outer protective support cylinder; the hollow air pressure shaft is connected with the tail end of the outer protective support cylinder through a polyurethane flexible sleeve; and the negative pressure oxygen increasing wheel is mounted at the tail end of the hollow air pressure shaft. The air pressure type ice oxygen increasing machine has the characteristics that the automatic control device is mounted outside the outer protective support cylinder to be used for finishing the continuous measurement of the dissolved oxygen in water; and the oxygen increasing machine is opened or closed automatically according to the setting of the measurement threshold value by users to reduce the labor intensity of the fish-pond oxygen increasing in winter. The air pressure type ice oxygenating machine has the advantages that the machine structure is simple; the property is reliable; and the machine is particularly suitable for the winter fish-ponds in the northern cold area.

Description

Technical field [0001] The patent of the present invention relates to an under-ice pneumatic aerator with automatic control function, which is suitable for increasing oxygen in fish ponds in northern winter, and belongs to fish farming machinery. Background technique [0002] The aerator is a life-saving and stimulating device for fish and shrimp in aquaculture. Existing mechanical aerators mainly include waterwheel type, impeller type, and water spray type. The principle is to rely on the rotation of the water stirring parts to stir the water body to generate waves, increase the dissolved oxygen in the water body, and prevent fish and shrimp from Floating head due to lack of oxygen. However, due to the limitation of its structural principle, it is difficult to use it under the ice in the cold season in the north, and it needs to shave ice frequently during work. The low temperature caused by large-scale shaved ice can easily cause damage to fish and shrimp; The impeller m...

AI Technical Summary

Problems solved by technology

However, due to the limitation of its structural principle, it is difficult to use it under the ice in the cold season in the north, and it needs to shave ice frequently during work. The low temperature caused by large-scale shaved ice can easily cause damage to fish and shrimp; The impeller makes the water flow at a high speed to form a negative pressure, which brings air into the water to increase the dissolved oxygen in the water body, the action surface is small, the dissolved oxygen is low, and the efficiency is low

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