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Airlift Pumping Mechanism as well as Fluid Container and Brewing Machine with such Airlift Pumping Mechanism
Airlift Pumping Mechanism as well as Fluid Container and Brewing Machine with such Airlift Pumping Mechanism
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机译：空运泵送机构以及具有该空运泵送机构的流体容器和酿造机
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摘要
This invention discloses an airlift pumping mechanism for a fluid container, which is intended to address the problem of decreasing efficiency of the pumping mechanism when the liquid level in the container is low in the prior art. For this purpose, the airlift pumping mechanism comprises an air compressor and a riser tube assembly, wherein the riser tube assembly is located in a fluid container, and the air compressor is in communication with the riser tube assembly for feeding the compressed air to the riser tube assembly so that the same flows upward through the riser tube assembly together with the fluid in the fluid container. The pumping mechanism is characterized by further comprising a sunken cavity downwardly extending from the inner bottom surface of the fluid container, wherein the sunken cavity is located between the air compressor and the riser tube assembly and is in communication with the air compressor and the riser tube assembly. Due to the downward extension of the sunken cavity from the bottom surface of the container, the submergence ratio of the pumping mechanism can be significantly increased, thereby greatly increasing the pumping efficiency of the pumping mechanism at various liquid levels.
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