Gas and liquid contact apparatus – Contact devices – Liquid tank
Patent
1985-08-08
1986-12-16
Miles, Tim
Gas and liquid contact apparatus
Contact devices
Liquid tank
137590, B01F 304
Patent
active
046295917
ABSTRACT:
A plurality of gas diffusers and accompanying piping system which includes lengths of supply pipe for introducing gas into a body of liquid in which the apparatus is submerged. A combination gas diffuser inlet tube and supply pipe drainer stem is incorporated into the piping system between each length of supply pipe and each gas diffuser located above the length of supply pipe. The inlet tube/drainer stem extends downward from the plenum into the supply pipe to a location closely adjacent to, but with at least part of the bottom end of the combination member spaced from, the bottom wall of the supply pipe. As the pipe is pressurized with gas, gas fills the top portion of the pipe and unwanted accumulated liquid is forced down in the supply pipe, up through each drainer stem, and out the porous plate of the associated gas diffuser. The inlet tube/drainer stem (1) provides an outlet for unwanted accumulated liquids when said diffuser and accompanying piping system are operated under normal operating pressures, and (2) is at all times the sole outlet from the gas supply pipe, in addition to the transverse openings at each end thereof, for either gases or liquids.
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patent: 4237928 (1980-12-01), Messersmith
A. R. Wilfley & Sons, Inc.
Miles Tim
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