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US 4,289,506 AGranted
Scrubbing apparatus
OwnerArthur F. Stoneinventor
Life of this patent
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OwnerArthur F. Stoneinventor
Estimating the term…
Methods and apparatus for scrubbing a gas with a scrubbing fluid are disclosed. The apparatus disclosed includes a rotatable scrubbing fluid impeller rotatable about an axis of rotation and a scrubbing fluid supply conduit to supply scrubbing fluid to an inner portion of the impeller so that upon rapid rotation of the impeller about the axis the scrubbing fluid is impelled outwardly and forms a rapidly rotating scrubbing fluid curtain of discrete jets at the outer periphery thereof. In one embodiment, the rotatable impeller includes first and second axially displaced sections, the first section for impelling the scrubbing fluid outwardly and the second section for impelling the gas outwardly to and through diffuser vanes, and then to vanes for altering the direction of flow of the gas as it passes from the diffuser exit plenum so that it is forced through the rapidly rotating scrubbing fluid curtain in a direction opposite to that of the rotation of the scrubbing fluid. In another embodiment, the rotatable impeller includes an annular scrubbing fluid distribution surface including a plurality of discrete scrubbing fluid jet forming elements located at the periphery thereof. Methods for performing all of these steps are also disclosed.
Apparatus for scrubbing a gas with a scrubbing fluid comprising rotatable impeller means having first and second axially displaced sections and an outer periphery, said first and second axially displaced sections being rotatable about a common axis, scrubbing fluid supply means for supplying said scrubbing fluid to said first section of said rotatable impeller means, gas supply means for supplying said gas to be scrubbed to said second section of said rotatable impeller means, so that upon rapid rotation of said rotatable impeller means about said axis said scrubbing fluid and said gas are impelled outwardly from said first and second sections of said rotatable impeller means, respectively, said scrubbing fluid thereby forming a rapidly rotating scrubbing fluid curtain at said outer periphery of said impeller means, and means for altering the direction of said gas as it flows rapidly outwardly from said second section of said rotatable impeller means so that said gas passes through said rapidly rotating scrubbing fluid curtain in a direction opposed to the direction of rotation of said scrubbing fluid so as to scrub said gas with said scrubbing fluid, said means for altering the direction of said gas including diffuser vane means located at the outer periphery of said second section of said rotatable impeller means for substantially reducing the rotational component of said gas.
A method of scrubbing a gas with a scrubbing fluid which comprises supplying said gas to a first location adjacent to the axis of rotation of rotatable gas impeller means, supplying said scrubbing fluid to a second location adjacent to the axis of rotation of rotatable scrubbing fluid impeller means including an outer periphery, said axes of rotation comprising a common axis, and said first and second locations being axially displaced from each other along said common axis, thereby causing said gas and said scrubbing fluid to pass radially outward from said first and second locations, respectively, in first and second axially displaced planes by rapidly rotating both said rotatable gas and scrubbing fluid impeller means about said common axis of rotation, thereby forming a rapidly rotating scrubbing fluid curtain at said outer periphery of said scrubbing fluid impeller means, and altering the direction of flow of said gas as it flows radially outward from said rotatable gas impeller means in a manner so as to substantially reduce the rotational component of said flow of gas caused by the rapid rotation of said gas impeller means and to act as a diffuser for said gas, and so that said gas is diverted from said first plane to cross said second plane and pass through said rapidly rotating scrubbing fluid curtain in a direction opposite to that of the direction of flow of said scrubbing fluid.
Apparatus for scrubbing a gas with a scrubbing fluid comprising rotatable scrubbing fluid impeller means, said rotatable scrubbing fluid impeller means being mounted on an axis for rotation thereabout and including an annular scrubbing fluid distribution surface including a substantially conical portion and a plurality of discrete scrubbing fluid jet forming means for interrupting said surface so as to channel said scrubbing fluid into discrete scrubbing fluid jets and to form a rapidly rotating scrubbing fluid curtain of discrete jets at the outer periphery of said annular scrubbing fluid distribution surface upon the rapid rotation of said rotatable scrubbing fluid impeller means, scrubbing fluid supply means for supplying scrubbing fluid to the inner surface of said scrubbing fluid distribution surface so as to produce a substantially continuous sheet of said scrubbing fluid on said scrubbing fluid distribution surface upon rapid rotation of said rotatable scrubbing fluid impeller means, and gas redirection means for passing said gas to be scrubbed through said rapidly rotating scrubbing fluid curtain of discrete jets in a direction opposed thereto so as to scrub said gas with said scrubbing fluid.
A method for scrubbing a gas with a scrubbing fluid which comprises supplying said scrubbing fluid to a location adjacent to the axis of rotation of rotatable scrubbing fluid impeller means including an annular scrubbing fluid distribution surface so as to project said scrubbing fluid radially outward upon the rapid rotation of said rotatable scrubbing fluid impeller means, said location adjacent to said axis of rotation being displaced below said annular scrubbing fluid distribution surface so that said scrubbing fluid must pass axially upward onto said annular scrubbing fluid distribution surface as it is projected radially outward from said location forming a substantially continuous sheet of said scrubbing fluid on said annular scrubbing fluid distribution surface, forming said substantially continuous sheet of said scrubbing fluid into a plurality of discrete scrubbing fluid jets so as to form a rapidly rotating scrubbing fluid curtain of discrete jets at the outer periphery of said annular scrubbing fluid distribution surface upon the rapid rotation of said rotatable scrubbing fluid impeller means, and passing said gas to be scrubbed through said rapidly rotating scrubbing fluid curtain in a direction opposite thereto so as to scrub said gas with said scrubbing fluid.
Apparatus for scrubbing a gas with a scrubbing fluid comprising rotatable scrubbing fluid impeller means, said rotatable scrubbing fluid impeller means being mounted on an axis for rotation thereabout and including a scrubbing fluid distribution hub located adjacent to said axis, fluid distribution means for directing said scrubbing fluid radially outward from said fluid distribution hub, and an outer periphery, scrubbing fluid supply means for supplying said scrubbing fluid to said fluid distribution hub, so that upon rapid rotation of said rotatable scrubbing fluid impeller means said scrubbing fluid is directed radially outward by said fluid distribution means so as to form a rapidly rotating scrubbing fluid curtain at the outer periphery of said rotatable scrubbing fluid impeller means, said scrubbing fluid supply means including a scrubbing fluid conduit terminating a predetermined distance from said scrubbing fluid distribution hub and scrubbing fluid directing means mounted on said axis for directing said scrubbing fluid from the end of said scrubbing fluid conduit to said fluid distribution hub, said scrubbing fluid directing means being spaced from said end of said scrubbing fluid conduit so that said scrubbing fluid directing means is free to rotate with said rotatable scrubbing fluid impeller means without interference from said scrubbing fluid conduit while at the same time substantially all of said scrubbing fluid passes from the end of said scrubbing fluid conduit to said fluid distribution hub, and means for passing said gas to be scrubbed through said rapidly rotating scrubbing fluid curtain at the outer periphery of said rotatable scrubbing fluid impeller means so as to scrub said gas with said scrubbing fluid.
Apparatus for scrubbing a gas with a scrubbing fluid comprising rotatable impeller means having first and second axially displaced sections and an outer periphery, said first and second axially displaced sections being rotatable about a common axis and being located in first and second displaced parallel planes, scrubbing fluid supply means for supplying said scrubbing fluid to said first section of said rotatable impeller means, gas supply means for supplying said gas to be scrubbed to said second section of said rotatable impeller means, so that upon rapid rotation of said rotatable impeller means about said axis said scrubbing fluid and said gas are impelled outwardly from said first and second sections of said rotatable impeller means in said first and second displaced parallel planes, respectively, said scrubbing fluid thereby forming a rapidly rotating scrubbing fluid curtain at said outer periphery of said impeller means and in said first plane, and means for altering the direction of said gas as it flows rapidly outwardly from said second section of said rotatable impeller means out of said second plane so that said gas passes through said rapidly rotating scrubbing fluid curtain in a direction opposed to the direction of rotation of said scrubbing fluid in said first plane so as to scrub said gas with said scrubbing fluid.
A method of scrubbing a gas with a scrubbing fluid which comprises supplying said gas to a first location adjacent to the axis of rotation of rotatable gas impeller means, supplying said scrubbing fluid to a second location adjacent to the axis of rotation of rotatable scrubbing fluid impeller means including an outer periphery, said axes of rotation comprising a common axis, and said first and second locations being axially displaced from each other along said common axis, thereby causing said gas and said scrubbing fluid to pass radially outward from said first and second locations, respectively, in first and second axially displaced parallel planes by rapidly rotating both said rotatable gas and scrubbing fluid impeller means about said common axis of rotation, thereby forming a rapidly rotating scrubbing fluid curtain at said outer periphery of said scrubbing fluid impeller means in said second plane, and a flow of gas in said first plane, and altering the direction of said flow of gas as it flows radially outward from said rotatable gas impeller means in said first plane so that said gas is diverted from said first plane to cross said second plane and thereby pass through said rapidly rotating scrubbing fluid curtain in said second plane in a direction opposite to that of the direction of flow of said scrubbing fluid.
A method of scrubbing a gas with a scrubbing fluid which comprises supplying said gas to a first location adjacent to the axis of rotation of rotatable gas impeller means, supplying said scrubbing fluid to a second location adjacent to the axis of rotation of rotatable scrubbing fluid impeller means including an outer periphery, said axes of rotation comprising a common axis, and said first and second locations being axially displaced from each other along said common axis, thereby causing said gas and said scrubbing fluid to pass radially outward from said first and second locations, respectively, in first and second axially displaced planes by rapidly rotating both said rotatable gas and scrubbing fluid impeller means about said common axis of rotation, thereby forming a rapidly rotating scrubbing fluid curtain at said outer periphery of said scrubbing fluid impeller means, altering the direction of flow of said gas as its flows radially outward from said rotatable gas impeller means so that said gas is diverted from said first plane to cross said second plane and pass through said rapidly rotating scrubbing fluid curtain in a direction opposite to that of the direction of flow of said scrubbing fluid, said gas being supplied to said first location by first passing said gas through said second location, and providing a fluid seal between said rotatable scrubbing fluid impeller means and said gas passing through said second location so as to prevent said gas from bypassing said first location.
Apparatus for scrubbing a gas with a scrubbing fluid comprising rotatable scrubbing fluid impeller means, said rotatable scrubbing fluid impeller means being mounted on an axis for rotation thereabout and including an annular scrubbing fluid distribution surface, scrubbing fluid supply means for supplying scrubbing fluid to the inner surface of said scrubbing fluid distribution surface so as to produce a substantially continuous sheet of said scrubbing fluid on said scrubbing fluid distribution surface upon the rapid rotation of said rotatable scrubbing fluid impeller means, said annular scrubbing fluid distribution surface including a plurality of discrete scrubbing fluid jet-forming means located only at the periphery thereof for interrupting said surface so as to channel said substantially continuous sheet of scrubbing fluid into discrete scrubbing fluid jets and to form a rapidly rotating scrubbing fluid curtain of discrete jets at the outer periphery of said annular scrubbing fluid distribution surface upon the rapid rotation of said rotatable scrubbing fluid impeller means, and gas redirection means for passing said gas to be scrubbed through said rapidly rotating scrubbing fluid curtain of discrete jets in a direction opposed thereto so as to scrub said gas with said scrubbing fluid.
Apparatus for scrubbing a gas with a scrubbing fluid comprising rotatable scrubbing fluid impeller means, said rotatable scrubbing fluid impeller means being mounted on an axis for rotation thereabout and including an annular scrubbing fluid distribution surface including a plurality of discrete scrubbing fluid jet forming means for interrupting said surface so as to channel said scrubbing fluid into discrete scrubbing fluid jets and to form a rapidly rotating scrubbing fluid curtain of discrete jets at the outer periphery of said annular scrubbing fluid distribution surface upon the rapid rotation of said rotatable scrubbing fluid impeller means, scrubbing fluid supply means for supplying scrubbing fluid to the inner surface of said scrubbing fluid distribution surface so as to produce a substantially continuous sheet of said scrubbing fluid on said scrubbing fluid distribution surface upon rapid rotation of said rotatable scrubbing fluid impeller means, and gas redirection means for passing said gas to be scrubbed through said rapidly rotating scrubbing fluid curtain of discrete jets in a direction opposed thereto so as to scrub said gas with said scrubbing fluid, said gas redirection means including a plurality of fixed vanes located adjacent to said periphery of said rotatable impeller means and positioned so as to redirect said gas into said direction opposed to the direction of flow of said rapidly rotating scrubbing fluid curtain.
A method for scrubbing a gas with a scrubbing fluid which comprises supplying said scrubbing fluid to a location adjacent to the axis of rotation of rotatable scrubbing fluid impeller means including an annular scrubbing fluid distribution surface so as to project said scrubbing fluid radially outward upon the rapid rotation of said rotatable scrubbing fluid impeller means, forming a substantially continuous sheet of said scrubbing fluid adjacent to said axis of rotation and for substantially the entire surface of said annular scrubbing fluid distribution surface, forming said substantially continuous sheet of said scrubbing fluid into a plurality of discrete scrubbing fluid jets at said outer periphery of said annular scrubbing fluid distribution surface so as to form a rapidly rotating scrubbing fluid curtain of discrete jets at the outer periphery of said annular scrubbing fluid distribution surface upon the rapid rotation of said rotatable scrubbing fluid impeller means, and passing said gas to be scrubbed through said rapidly rotating scrubbing fluid curtain in a direction opposite thereto so as to scrub said gas with said scrubbing fluid.
A method for scrubbing a gas with a scrubbing fluid which comprises supplying said scrubbing fluid to a location adjacent to the axis of rotation of rotatable scrubbing fluid impeller means including an annular scrubbing fluid distribution surface so as to project said scrubbing fluid radially outward upon the rapid rotation of said rotatable scrubbing fluid impeller means, forming a substantially continuous sheet of said scrubbing fluid adjacent to said axis of rotation on said annular scrubbing fluid distribution surface, forming said substantially continuous sheet of said scrubbing fluid into a plurality of discrete scrubbing fluid jets so as to form a rapidly rotating scrubbing fluid curtain of discrete jets at the outer periphery of said annular scrubbing fluid distribution surface upon the rapid rotation of said rotatable scrubbing fluid impeller means, supplying said gas to be scrubbed to a location adjacent to the axis of rotation of said rotatable gas impeller means, said axis of rotation of said rotatable gas impeller means being common to said axis of rotation of said rotatable scrubbing fluid impeller means, projecting said gas radially outwardly upon the rapid rotation of said rotatable gas impeller means, altering the direction of flow of said gas as it flows radially outwardly from said rotatable gas impeller means in a manner so as to substantially reduce the rotational component of said flow of gas as it is projected radially outwardly by said rotatable gas impeller means, and to act as a diffuser for said gas, and passing said gas to be scrubbed through said rapidly rotating scrubbing fluid curtain in a direction opposite thereto so as to scrub said gas with said scrubbing fluid.
Dependencies are inferred from the claim text.