Device for preventing hot air from flowing back in water shield of aerator and impeller aerator
A hot air return, waterproof cover technology, applied in water aeration, water/sludge/sewage treatment, sustainable biological treatment, etc. The effect of reducing the cost of the machine, preventing oil leakage from polluting the fish pond, and having a simple structure
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[0052] Below in conjunction with accompanying drawing, the present invention will be further described with specific embodiment, see Figure 1-21 :
[0053]The device for preventing hot air backflow in the waterproof cover of the aerator is mainly composed of a motor 1, a waterproof cover 4, an air inlet 45, and an air outlet window 41. The motor 1 is installed vertically, and a cooling fan is installed on the motor shaft protruding from the upper end of the motor. 13. There is a fan cover 12 outside the cooling fan 13, a plurality of cooling fins on the motor casing, and a waterproof cover 4 outside. There is an air inlet 45 on the waterproof cover, and there are air outlet windows 41 around the lower part of the waterproof cover. The waterproof cover 4 and There is an isolation device between the motors 1 to prevent the motor hot air from flowing back upwards into the motor fan cover 12, so that the hot air formed after the heat exchange between the cooling fan and the heat ...
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