Blade, aeration combined typed bleeding machine
Patent Information
- Authority / Receiving Office
- CN Β· China
- Current Assignee / Owner
- ιζ£ε
- Publication Date
- 2006-12-06
- Estimated Expiration
- Not applicable Β· inactive patent
Smart Images
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Abstract
Description
Technical field
[0001] The invention relates to the technical field of aquaculture, in particular to an aeration device for aquaculture water. Background technique
[0002] The aerators currently in use include impeller type, waterwheel type, water spray type, water pump type, air pump type and other types of aerators. Among them, impeller type, waterwheel type and water spray type aerators are used to disturb the surface. Water increases the amount of dissolved oxygen on the surface of the water, and it is difficult to improve the amount of dissolved oxygen in the water with a certain depth; the pump aerator can disturb the water with a certain depth and mix with the inhaled air to achieve the purpose of aeration, but the pump outlet The jet of water often has a higher pressure, which can cause damage to small fish and shrimps. The air pump aerator can overcome the above-mentioned defects. For example, the imported Roots blower aerator is installed on the shore to remove the air...