IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0558990
(1975-03-17)
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발명자
/ 주소 |
- Nutter Dale E. (Tulsa OK)
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출원인 / 주소 |
- Heat/Fluid Engineering Corporation (Tulsa OK 02)
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인용정보 |
피인용 횟수 :
23 인용 특허 :
0 |
초록
▼
A gas stream with entrained liquid is given a helical motion which causes the entrained liquid to impinge and coalesce on the wall of a separation chamber, with gases being discharged through a tailpipe which extends inwardly into the downstream end of the separation chamber. A closed second chamber
A gas stream with entrained liquid is given a helical motion which causes the entrained liquid to impinge and coalesce on the wall of a separation chamber, with gases being discharged through a tailpipe which extends inwardly into the downstream end of the separation chamber. A closed second chamber surrounds the tailpipe downstream of the separation chamber. Aperture means in the tailpipe permits communication between the interiors of the second chamber and the tailpipe. A conduit means, provided downstream of the aperture means but within the tailpipe, is arranged to permit communication between the center of the tailpipe and the interior of the second chamber tending to equalize pressures so as to cause any residual liquid collected on the interior surface of the tailpipe to flow out of the tailpipe through the aperture means. Kinetic energy transfer from within the tailpipe is minimized by forming the aperture means of elongated slots which lie at an acute angle to the longitudinal axis of the apparatus and transverse to the helical flow path of gases at the wall of the tailpipe. Liquid agglomeration on the edge of the tailpipe slots is promoted by having the tailpipe slots inclined from the horizontal. The liquid from the primary separation stage is released from the separation chamber through a liquid drain opening at the lower end of the separation chamber wall. This liquid flows into a calming chamber and thence over a weir into a downcomer which leads to a lower liquid reservoir.
대표청구항
▼
Apparatus for separating entrained liquid from a stream of liquid-bearing gases, comprising, a circular wall forming a separation chamber which has a longitudinal axis, an upstream end, and a downstream end which is disposed above the upstream end, said wall having an interior surface equidistant fr
Apparatus for separating entrained liquid from a stream of liquid-bearing gases, comprising, a circular wall forming a separation chamber which has a longitudinal axis, an upstream end, and a downstream end which is disposed above the upstream end, said wall having an interior surface equidistant from and facing the longitudinal axis, means at the upstream end of the separation chamber for producing a tangential velocity component causing a helical flow of said liquid-bearing gases which flow is centered about the longitudinal axis and extends upward from the upstream end toward the downstream end of the separation chamber, whereby the particles of liquid entrained in the gases are thrust outwardly by cEntrifugal action to impinge and coalesce on said interior surface of the separation chamber wall, a gas outlet tailpipe extending centrally and longitudinally into the separation chamber from the downstream end of the separation chamber, said tailpipe having an upper outlet opening means and a lower inlet opening means for receiving a central portion of the helical flow of gases which has only a residual amount of entrained liquid, said tailpipe having aperture means therein located above and downstream of said inlet opening means, whereby residual liquid in the tailpipe is conducted from the tailpipe through the aperture means, a lower liquid sump, a closed secondary chamber surrounding the aperture means, and drain conduit means for carrying liquid from the secondary chamber to the sump, said drain conduit means having an outlet opening submerged in liquid in the sump to sustain a pressure differential between the secondary chamber and the sump, said apparatus having conduit means communicating between said secondary chamber and a point substantially at the center of said tailpipe downstream of the aperture means to reduce the pressure differential across said aperture means in the tailpipe and thus promote the flow of residual liquid through said aperture means. Apparatus for separating entrained liquid from a stream of liquid-bearing gases, comprising, a circular wall forming a separation chamber which has a longitudinal axis, an upstream end, and a downstream end which is disposed above the upstream end, said wall having an interior surface equidistant from and facing the longitudinal axis, means at the upstream end of the separation chamber for producing a tangential velocity component producing a helical flow of said liquid-bearing gases which flow is centered about the longitudinal axis and extends upward from the upstream end toward the downstream end of the separation chamber, whereby the particles of liquid entrained in the gases are thrust outwardly by centrifugal action to impinge and coalesce on said interior surface of the separation chamber wall, a gas outlet tailpipe extending centrally and longitudinally into the separation chamber from the downstream end of the separation chamber, said tailpipe having an upper outlet opening means and a lower inlet opening means for receiving a central portion of the helical flow of gases which has only a residual amount of entrained liquid, said tailpipe having aperture means therein located above and downstream of said inlet opening means, whereby residual liquid in the tailpipe is conducted from the tailpipe through the aperture means, a lower liquid drain opening in the wall of the separation chamber for releasing the liquid from the separation chamber, a deentrained liquid chamber surrounding the wall of the separation chamber and communicating with the separation chamber through the lower liquid drain opening so as to collect the liquid released from the separation chamber, the liquid flowing in a circular direction within the deentrained liquid chamber, a downcomer communicating with the deentrained liquid chamber so as to discharge the liquid from the deentrained liquid chamber, and an overflow weir positioned in the deentrained liquid chamber in the flow path between the lower liquid drain opening and the downcomer, said lower liquid drain opening being disposed upstream of the overflow weir in the flow direction such that the overflow weir interrupts the circular flow of the liquid.
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