AIRLIFT UNIT Russian patent published in 2015 - IPC F04F1/18 

FIELD: engines and pumps.

SUBSTANCE: invention relates to production of pump units, in particular, to airlift units of small burying and low-pressure gas feed systems with fluid and pulp lift to great height Airlift unit comprises lift pipes and gas feed pipes arranged in sections located in rows over the column as overflow manifolds. The latter are provided with bypass channels for communication with atmosphere. Two bubbler flasks are diametrically secured to the lower perforated inlet section while gas discharge pipe is secured perpendicularly to the bottom. Column composed of inlet section, circular manifolds and upper intake manifold arranged in rows over the column height is mounted atop said gas discharge pipe.

EFFECT: higher efficiency of operation and fabrication.

4 cl, 4 dwg