Device for the distribution of gas in a liquid

Claim 1

A device for the distribution of gas in a liquid comprising: a. a tank having a bottom and side wall for containing liquid, b. a liquid flow chamber having liquid inlet means and liquid outlet means, c. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, d. said gas flow chamber including an annular, hollow body disposed in the tank so as to extend horizontally above said tank bottom, e. said annular, hollow body including an outer wall, an inner wall, a partition wall between said inner and outer walls, and a top wall having a plurality of holes, f. said liquid flow chamber and said gas flow chamber being fixed with respect to each other and with respect to the tank, g. means for directing a substantially uniform flow of gas through said openings, and h. means for directing liquid from the tank through the liquid flow chamber and past the openings to remove gas bubbles directly at the openings with a minimum amount of turbulence.

Claim 2

A device for the distribution of gas in a liquid comprising: a. a tank having a bottom and side wall for containing liquid, b. a liquid flow chamber having liquid inlet means and liquid outlet means, c. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, d. said gas flow chamber including an annular, hollow body disposed in the tank so as to extend horizontally above said tank bottom, e. said annular, hollow body including an outer wall, an inner wall, a partition wall between said inner and outer walls, and a top wall having a plurality of holes, f. said liquid flow chamber and said gas flow chamber being fixed with respect to each other and with respect to the tank, g. means for directing a substantially uniform flow of gas through said openings, and h. means for directing liquid from the tank through the liquid flow chamber and past the openings to remove gas bubbles directly at the openings with a minimum amount of turbulence.

Claim 5

A device for the distribution of gas in a liquid comprising: a. a tank having a bottom and side wall for containing liquid, b. a liquid flow chamber having liquid inlet means and liquid outlet means, c. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, d. said gas flow chamber including an annular, hollow body disposed in the tank so as to extend horizontally above said tank bottom, e. said liquid inlet means including a fixedly mounted duct member mounted within said annular, hollow body, f. said gas outlet means including a plurality of straight, vertically extending tubes closed at the top and mounted on the top of the annular, hollow body, g. said annular, hollow body including a top wall and holes located in the top wall and being registered with the bottom of said vertically extending tubes, h. said tubes being spaced with respect to each other around the top of said annular, hollow body thereby leaving gaps which form said liquid outlet means between adjacent tubes, i. said plurality of gas openings being located in the tubes in an arrangement so as to face the gaps between said tubes, j. said liquid flow chamber and said gas flow chamber being fixed with respect to each other and with respect to the tank, k. means for directing a substantially uniform flow of gas through said openings, and l. means for directing liquid from the tank through the liquid flow chamber and past the openings to remove gas bubbles directly at the openings with a minimum amount of turbulence.

Claim 6

A device for the distribution of gas in a liquid comprising: a. a tank having a bottom and side wall for containing liquid, b. a liquid flow chamber having liquid inlet means and liquid outlet means, c. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, d. said gas flow chamber including an annular, hollow body disposed in the tank so as to extend horizontally above said tank bottom, e. said liquid inlet means including a fixedly mounted duct member mounted within said annular, hollow body, f. said gas outlet means including a plurality of straight, vertically extending tubes closed at the top and mounted on the top of the annular, hollow body, g. said annular, hollow body including a top wall and holes located in the top wall and being registered with the bottom of said vertically extending tubes, h. said tubes being spaced with respect to each other around the top of said annular, hollow body thereby leaving gaps which form said liquid outlet means between adjacent tubes, i. said plurality of gas openings being located in the tubes in an arrangement so as to face the gaps between said tubes, j. said liquid flow chamber and said gas flow chamber being fixed with respect to each other and with respect to the tank, k. means for directing a substantially uniform flow of gas through said openings, and l. means for directing liquid from the tank through the liquid flow chamber and past the openings to remove gas bubbles directly at the openings with a minimum amount of turbulence.

Claim 7

A device for the distribution of gas in a liquid comprising: a. a tank having a bottom and side wall for containing liquid, b. a liquid flow chamber having liquid inlet means and liquid outlet means, c. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, d. said gas flow chamber including an annular, hollow body having an outer wall, an inner wall, a partition wall disposed between said inner and outer walls and a top wall provided with a plurality of holes, e. said partition wall having a height smaller than that of the outer wall, f. said annular body including a means for supplying a flow of gas within the area between the partition wall and said inner wall, g. said liquid flow chamber and said gas flow chamber being fixed with respect to each other and with respect to the tank, h. means for directing a substantially uniform flow of gas through said openings, and i. means for directing liquid from the tank through the liquid flow chamber and past the openings to remove gas bubbles directly at the openings with a minimum amount of turbulence.

Claim 8

A device for the distribution of gas in a liquid comprising: a. a tank having a bottom and side wall for containing liquid, b. a liquid flow chamber having liquid inlet means and liquid outlet means, c. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, d. said gas flow chamber including an annular, hollow body having an outer wall, an inner wall, a partition wall disposed between said inner and outer walls and a top wall provided with a plurality of holes, e. said partition wall having a height smaller than that of the outer wall, f. said annular body including a means for supplying a flow of gas within the area between the partition wall and said inner wall, g. said liquid flow chamber and said gas flow chamber being fixed with respect to each other and with respect to the tank, h. means for directing a substantially uniform flow of gas through said openings, and i. means for directing liquid from the tank through the liquid flow chamber and past the openings to remove gas bubbles directly at the openings with a minimum amount of turbulence.

Claim 9

A device for the distribution of gas in a liquid which is contained in a tank having a bottom and side wall, said device comprising: a. a liquid flow chamber having liquid inlet means and liquid outlet means, b. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, c. said gas flow chamber including an annular, hollow body having an outer wall, an inner wall, a partition wall between said inner and outer walls and a top wall having a plurality of holes, d. said liquid flow chamber and said gas flow chamber being fixed with respect to each other, e. means for directing a substantially uniform flow of gas through said openings, and f. means for directing liquid from the tank through the liquid flow chamber and past the openings to remove gas bubbles directly at the openings with a minimum amount of turbulence.

Claim 10

A device for the distribution of gas in a liquid which is contained in a tank having a bottom and side wall, said device comprising: a. a liquid flow chamber having liquid inlet means and liquid outlet means, b. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, c. said gas flow chamber including an annular, hollow body having an outer wall, an inner wall, a partition wall between said inner and outer walls and a top wall having a plurality of holes, d. said liquid flow chamber and said gas flow chamber being fixed with respect to each other, e. means for directing a substantially uniform flow of gas through said openings, and f. means for directing liquid from the tank through the liquid flow chamber and past the openings to remove gas bubbles directly at the openings with a minimum amount of turbulence.

Claim 13

A device for the distribution of gas in a liquid which is contained in a tank having a bottom and side wall, said device comprising: a. a liquid flow chamber having liquid inlet means and liquid outlet means, b. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, c. said gas flow chamber including an annular, hollow body having an outer wall, an inner wall, a partition wall disposed between said inner and outer walls and a top wall provided with a plurality of holes, d. said partition wall having a height smaller than that of the outer wall, e. said annular body including a means for supplying a flow of gas within the area between the partition wall and said inner wall, f. said liquid flow chamber and said gas flow chamber being fixed with respect to each other, g. means for directing a substantially uniform flow of gas through said openings, and h. means for directing liquid through the liquid flow chamber and past the openings to remove gas bubbles directly at The openings with a minimum amount of turbulence.

Claim 14

A device for the distribution of gas in a liquid which is contained in a tank having a bottom and side wall, said device comprising: a. a liquid flow chamber having liquid inlet means and liquid outlet means, b. a gas flow chamber including gas outlet means having a plurality of openings for directing gas into a liquid flowing through said liquid outlet means, c. said gas flow chamber including an annular, hollow body having an outer wall, an inner wall, a partition wall disposed between said inner and outer walls and a top wall provided with a plurality of holes, d. said partition wall having a height smaller than that of the outer wall, e. said annular body including a means for supplying a flow of gas within the area between the partition wall and said inner wall, f. said liquid flow chamber and said gas flow chamber being fixed with respect to each other, g. means for directing a substantially uniform flow of gas through said openings, and h. means for directing liquid through the liquid flow chamber and past the openings to remove gas bubbles directly at The openings with a minimum amount of turbulence.