Device for preventing hot air from flowing back in water shield of aerator and pumping aerator
A technology of hot air backflow and waterproof cover, which is applied in water/sludge/sewage treatment, water aeration, sustainable biological treatment, etc. It can solve problems such as easy damage to bearings, poor heat dissipation conditions, and motors that cannot work at full load. Achieve high efficiency, increase photosynthesis, and prevent oil leakage
Inactive Publication Date: 2012-02-01
吴为国
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Problems solved by technology
[0002] The aerator is a life-saving and stimulating equipment for fish and shrimp in aquaculture. The existing mechanical aerators mainly include three types: waterwheel type, impeller type and water spray type. The existing aerator motor has waterproof Cover, the air circulation or part of the air circulation in the waterproof cover, the heat dissipation condition is not good, the motor can not work at full load, especially the bearing in the upper end cover of the motor is relatively easy to damage
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[0049] The present invention will be further described below with specific embodiment, see Figure 1-21 :
[0050] The device for preventing hot air backflow in the waterproof cover of the aerator of the present invention is mainly composed of a motor 1, a waterproof cover 4, an air inlet 45, an air outlet window 41, etc. The motor 1 is installed vertically, and the motor shaft protruded from the upper end of the motor is installed Cooling fan 13 is arranged, and fan cover 12 is arranged outside cooling fan 13, and a plurality of cooling fins are arranged on the motor shell, and waterproof cover 4 is arranged outside, and air inlet 45 is arranged on the waterproof cover, and wind outlet window 41 is arranged on the lower part around waterproof cover, waterproof There is an isolation device between the cover 4 and the motor 1 to prevent the hot air from the motor from flowing back upwards into the motor fan cover 12, so that the hot air formed after the heat exchange between th...
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The invention belongs to the technical field of aerators, and relates to a pumping aerator provided with a device for preventing hot air from flowing back in a water shield. A motor is arranged in a shell consisting of a conical body and the water shield; a supporting base of the motor is connected with the shell; the shell and the motor are arranged on a floating body; a motor shaft is connected with an impeller shaft by a coupler; the impeller shaft vertically extends into water downward; a motor body is positioned over the horizontal pane; and an isolation device for preventing the hot air of the motor from upward flowing back and entering a fan guard of the motor is arranged between the water shield and the motor so as to ensure that the hot air formed after the heat exchange of a cooling fan and radiating fins is not returned to the fan guard of the motor and the temperature of the motor is greatly reduced. When an impeller positively rotates, a water body is lifted; during negative rotation, the impeller downward jets flow to generate negative pressure and suck into the air so as to aerate the air into water and increase oxygen; and a diffusion wheel diffuses the water lifted by the impeller around during water lifting so as to realize water-lifting oxygen increase in the daytime and increase the photosynthesis of microorganisms in the water, and the jet flow oxygen increase can be performed at night.
Description
technical field [0001] The invention relates to an aerator, in particular to a device for preventing backflow of hot air in a waterproof cover of the aerator and a pumping type aerator. Background technique [0002] The aerator is a life-saving and stimulating equipment for fish and shrimp in aquaculture. The existing mechanical aerators mainly include three types: waterwheel type, impeller type and water spray type. The existing aerator motor has waterproof Cover, the air circulation or part of the air circulation in the waterproof cover, the heat dissipation condition is not good, the motor can not work at full load, especially the bearing in the upper end cover of the motor is relatively easy to damage. Contents of the invention [0003] The purpose of the present invention is to solve the deficiencies of the existing aerators, and provide a device for preventing the backflow of hot air in the waterproof cover of the aerator and a pumping type aerator. [0004] The pur...
Claims
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IPC IPC(8): A01K63/04C02F7/00
CPCY02W10/10
Inventor 吴为国
Owner 吴为国