IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0799857
(2010-05-03)
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등록번호 |
US-8377176
(2013-02-19)
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발명자
/ 주소 |
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출원인 / 주소 |
- Arthur M. Squires Irrevocable Trust
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인용정보 |
피인용 횟수 :
1 인용 특허 :
19 |
초록
▼
There is provided method and apparatus for creating a longitudinally disposed, sharp puff of gas, useful for puffback renewal of gas-entry faces of a panel-bed gas filter or a panel-bed gas-powder contactor. Perforations are disposed along the wall of a tank in a path generally parallel to the tank'
There is provided method and apparatus for creating a longitudinally disposed, sharp puff of gas, useful for puffback renewal of gas-entry faces of a panel-bed gas filter or a panel-bed gas-powder contactor. Perforations are disposed along the wall of a tank in a path generally parallel to the tank's axis. Stoppers are provided for stoppering the perforations. With the perforations so stoppered, a gas is introduced at high pressure into the tank. Thereafter, quickly unstoppering the perforations releases the gas from the tank in form of a longitudinally disposed, sharp puff of gas moving in a direction perpendicular to the tank's axis. If the tank is placed vertically alongside or within a space receiving gas from a panel bed, the sharp puff can effectively puffback the panel bed.
대표청구항
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1. A method for producing a longitudinally disposed, sharp puff of gas comprising: providing a tank with a wall,providing a granular solid bed,providing gas entry faces in the bed,providing gas entry faces in the granular solid bed for forward flow of gas through the faces,disposing perforations in
1. A method for producing a longitudinally disposed, sharp puff of gas comprising: providing a tank with a wall,providing a granular solid bed,providing gas entry faces in the bed,providing gas entry faces in the granular solid bed for forward flow of gas through the faces,disposing perforations in said wall longitudinally along a path generally parallel to an axis of said tank; stoppering said perforations;introducing gas at elevated pressure in said tank;quickly unstoppering said perforations, thereby releasing said gas from said tank in form of a longitudinally disposed, sharp puff of gas moving in a direction perpendicular to said axis of said tank. 2. The method of claim 1, wherein said path is substantially a straight line. 3. A method for producing a longitudinally disposed, sharp puff of gas comprising: providing a tank with a wall,disposing perforations in said wall longitudinally along a path generally parallel to an axis of said tank;stoppering said perforations;introducing gas at elevated pressure in said tank;quickly unstoppering said perforations, thereby releasing said gas from said tank in form of a longitudinally disposed, sharp puff of gas moving in a direction perpendicular to said axis of said tank,wherein said tank is a first cylinder with a first set of perforations disposed along a first path;said stoppering comprises placing a second cylinder fitting snugly within said first cylinder, an axis of said second cylinder being identical with the axis of said first cylinder;and further comprising in a wall of said second cylinder, disposing a second set of perforations longitudinally along a second path, identical to said first path, yet also disposing said second set of perforations such as not to be in registry with said first set of perforations;after introducing gas at elevated pressures in said first tank, quickly moving said second cylinder and allowing the two sets of perforations to come into registry, thereby unstoppering said first set of perforations. 4. A method for producing a longitudinally disposed, sharp puff of gas comprising: providing a tank with a wall,disposing perforations in said wall longitudinally along a path generally parallel to an axis of said tank;stoppering said perforations;introducing gas at elevated pressure in said tank;quickly unstoppering said perforations, thereby releasing said gas from said tank in form of a longitudinally disposed, sharp puff of gas moving in a direction perpendicular to said axis of said tank,wherein said longitudinally disposed, sharp puff effects the puffback of a panel bed of granular solid material employed for gas filtering or gas-powder contacting. 5. A method for effecting puffback of a panel bed of granular solid material employed for gas filtering or gas-powder contacting through action of a longitudinally disposed, sharp puff of gas, comprising: placing a vertical tank within or alongside a space receiving treated gas from a gas-exit side of said panel bed, a height of said tank being substantially identical to a height of said space;in said tank, disposing perforations longitudinally along a path generally parallel to an axis of said tank;stoppering said perforations;introducing gas at elevated pressure in said tank;quickly unstoppering said perforations, thereby releasing said gas in form of a longitudinally disposed, sharp puff of gas moving into said space, thereby effecting the pullback of said panel bed. 6. The method of claim 5, wherein placing said tank comprises placing a first cylinder with a first set of perforations disposed along a first path; and whereinsaid stoppering comprises placing a second cylinder fitting snugly within said first cylinder, an axis of said second cylinder being identical with the axis of said first cylinder; and further comprisingin a wall of said second cylinder, disposing a second set of perforations longitudinally along a second path, identical to said first path, yet also disposing said second set of perforations such as not to be in registry with said first set of perforations;after introducing gas at elevated pressure in said first tank, quickly moving said second cylinder and allowing the two sets of perforations to come into registry, thereby unstoppering said first set of perforations. 7. An apparatus for producing a longitudinally disposed, sharp puff of gas comprising: a tank having perforations disposed longitudinally along a path generally parallel to an axis of said tank;providing a granular solid bed,Providing gas entry faces in the bed,providing gas entry faces in the solid bed for forward flow of gas through the faces,stoppers movable in a first movement into a first set of positions whereby said perforations are stoppered and also movable in a quick second movement into a second set of positions whereby said perforations are unstoppered;a source of gas at elevated pressure, a connection between said source and an interior of said tank, and in said connection a valve having an opening which, when said stoppers are in said first set of positions, causes said tank to be filled with said gas at elevated pressure, so that said quick second movement releases said gas from said tank in form of a longitudinally disposed, sharp puff of gas in a direction perpendicular to said axis of said tank. 8. An apparatus for producing a longitudinally disposed, sharp puff of gas comprising: a tank having perforations disposed longitudinally along a path generally parallel to an axis of said tank;stoppers movable in a first movement into a first set of positions whereby said perforations are stoppered and also movable in a quick second movement into a second set of positions whereby said perforations are unstoppered;a source of gas at elevated pressure, a connection between said source and an interior of said tank, and in said connection a valve having an opening which, when said stoppers are in said first set of positions, causes said tank to be filled with said gas at elevated pressure, so that said quick second movement releases said gas from said tank in form of a longitudinally disposed, sharp puff of gas in a direction perpendicular to said axis of said tank,wherein said tank comprises a first cylinder with a first set of perforations disposed along a first path;said stoppers comprise a second cylinder fitting snugly within said first cylinder, an axis of said second cylinder being identical with the axis of said first cylinder;in a wall of said second cylinder, a second set of perforations longitudinally along a second path, identical to said first path, said second set of perforations disposed to not be in registry with said first set of perforations;after introducing gas at elevated pressure in said first tank, said second cylinder being quickly movable allowing the two sets of perforations to come into registry, thereby unstoppering said first set of perforations.
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