AIRLIFT (VERSIONS) AND METHOD OF ITS OPERATION Russian patent published in 2008 - IPC C02F3/00 F04F1/18 

FIELD: water purification.

SUBSTANCE: airlift contains fixed to each other and coaxially-mounted inlet 1 and outlet 2 sections, made from pipes of different diameter. In place of pipe connection seal 3 is located. End of section 1 pipe, fixed in end part of section 2 pipe, is equipped with disperser 4. According to first version of invention free end of inlet section 1 pipe is fixed in passage canal 9 ┤ -shaped tee 8, supplied with side boss 11 in form of connecting pipe for connection to pipeline 12 of compressed air supply, fixed along airlift length by means of clamps 13. According to second version of invention free end of inlet section 1 pipe is fixed in passage canal of ⊥ -shaped tee, supplied with side bosses with connected passage canals, one of which is made in form of connecting pipe for connection to pipeline of compressed air supply, the second being made in form of shut-off valve seat. Shut-off valve is supplied with tie and float and is movably fixed on inlet and outlet sections. According to third version of invention free end of inlet section 1 pipe is fixed in passage canal of running-water vortical chamber, supplied with tangent connecting pipe for introduction of compressed air.

EFFECT: increase of efficiency and reliability of airlift with ensuring possibility of its use as means for saturation of transferred liquid with air.

36 cl, 6 dwg