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An airlift pump is a pump that has low suction and moderate discharge of liquid and entrained solids. The pump injects compressed air at the bottom of the discharge pipe which is immersed in the liquid.
The airlift pump – also called mammoth pump – exploits the increase of the oxygen intake in water under pressure. At the same time, rising air is used to lift – and therefore circulate – water. This makes the mammoth pump suitable for aerating and circulating large volumes of water.
An airlift pump uses air to move liquid. It consists of a pipe that is partially submerged in the liquid to be pumped. Air is injected below the surface of the liquid and create air bubbles that mixes with the liquid, creating a mixture that is less dense than the liquid surrounding it.
Carl Löscher (1750-1813) experimented by blowing air from a 6mm tube into a submerged pipe 283mm long and a diameter of 120mm. He studied the effect of rising water in the pipe and developed the airlift pump for pumping water from wells. Löscher was a multi-facetted man.
#1. Air Compressor. The air compressor is used to compress the air and supply the compressed air to the pipeline of air. Compressed air is usually produced by engine-driven air compressors, but windmill-driven air compressors are also used. #2. Delivery Pipe. These pipes are used to lift water from the well.
Mar 5, 2010 · The air lift pump consists of a riser tube immersed in the pumped liquid, a compressed-air line and a pressure chamber where air forces the liquid, via small holes into the riser tube, figure 3.52a. The air liquid mixture is lighter than the surrounding liquid and therefore rises up the tube.
Jan 1, 2012 · Airlift systems are widely used in various fields such as in the petrochemical and oil industries. Because the main part of the flow through the pipe of these systems is formed by gas−liquid...
