초록 ▼

An absorber for increasing the concentration of oxygen in a solution has a pressure chamber therein which receives oxygen under pressure as well as a liquid to be oxygenated within an upper portion thereof. A shaft on which a turbine blade agitator is mounted is located in the upper portion of the c

An absorber for increasing the concentration of oxygen in a solution has a pressure chamber therein which receives oxygen under pressure as well as a liquid to be oxygenated within an upper portion thereof. A shaft on which a turbine blade agitator is mounted is located in the upper portion of the chamber. The shaft is driven rotationally by a motor through a rotary seal in the pressure chamber cover. A baffle plate is mounted within the pressure chamber to define a lower portion therebeneath, which is in communication with the upper portion, but isolated from the agitation in the upper portion. The oxygen-liquid solution which drains into the lower portion is subsaturated and relatively quiescent, so that large oxygen bubbles therein disengage and rise into the upper portion, and entrained small bubbles therein dissolve in the subsaturated oxygen-liquid solution. Consequently, substantially all of the oxygen contained in the oxygen-liquid mixture is in solution when the oxygen-liquid solution is removed from the lower chamber.

대표청구항 ▼

A method of dissolving high concentrations of a gas into a liquid within a chamber, comprising the steps of pressurizing the chamber, injecting the gas and liquid into the upper part of the chamber, agitating the gas and liquid mixture in the upper part of the chamber to obtain an increased gas conc

A method of dissolving high concentrations of a gas into a liquid within a chamber, comprising the steps of pressurizing the chamber, injecting the gas and liquid into the upper part of the chamber, agitating the gas and liquid mixture in the upper part of the chamber to obtain an increased gas concentration subsaturated solution at the chamber pressure, isolating the gas and liquid mixture in the lower part of the chamber from the agitation in the upper part of the chamber while allowing flow of the subsaturated solution into the lower part of the chamber, holding the solution in the lower part of the chamber so that the increased gas concentration subsaturated solution becomes substantially quiescent therein, whereby large gas bubbles disengage from the subsaturated solution in the lower part of the chamber and rise to the upper part of the chamber and small gas bubbles dissolve in the subsaturated solution in the lower part of the chamber, and withdrawing the solution from the lower part of the chamber after substantially all of the large bubbles have disengaged and the small bubbles have dissolved. In an absorber for gasifying a liquid wherein the liquid and a gas are introduced together under pressure into a vessel defining a first sealed chamber having means disposed therein for violently agitating the resulting gas-liquid mixture so that the liquid-gas interface is increased and dissolution of the gas in the liquid is enhanced, and wherein the absorber includes means for discharging the gasified liquid from the vessel, the improvement comprising a separate pressure vessel defining a second sealed chamber, a conduit extending between the vessel defining the first sealed chamber and said separate pressure vessel, for communicating said first and second sealed chambers and for conducting the gas and the liquid freely therebetween, said second sealed chamber being disposed to receive the gas-liquid mixture through said conduit and to hold the gas-liquid mixture therewithin for a predetermined period of time, said means for discharging communicating with said second chamber, whereby small gas bubbles within said second sealed chamber are dissolved in the liquid therein within said predetermined period of time and large bubbles are disengaged from the liquid and returned through said conduit to said first sealed chamber.