IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0169538
(2001-12-21)
|
우선권정보 |
NO-20006656 (2000-12-22) |
국제출원번호 |
PCT/NO01/00507
(2001-12-21)
|
국제공개번호 |
WO02/05699
(2002-07-25)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
5 |
초록
▼
An apparatus for separation of a liquid from a multi-phase fluid flow flowing through a pipeline, wherein the fluid flow is set in rotation so that it is separated into a central zone ( 5 ) essentially containing gas, and an outer annular zone ( 6 ) essentially containing liquid, and from which the
An apparatus for separation of a liquid from a multi-phase fluid flow flowing through a pipeline, wherein the fluid flow is set in rotation so that it is separated into a central zone ( 5 ) essentially containing gas, and an outer annular zone ( 6 ) essentially containing liquid, and from which the gas and the liquid in the two-zones are discharged via respective outlet means ( 10, 16 ). The apparatus comprises an essentially tubular casing ( 1 ) arranged to constitute a part of the actual pipeline, a spin element ( 4 ) for rotation of the fluid flow being located at the upstream end of the casing ( 1 ). The outlet means for the gas comprises an outlet element ( 10 ) arranged at the downstream end of the casing ( 1 ) and having a central, axially extending passage ( 11 ) for the gas, and an outer surface which, together with the inner surface of the casing ( 1 ), forms an annulus ( 12 ) for the inflow of liquid, a barrier ( 15 ) for the liquid being formed at the downstream end of the element ( 10 ). The outlet means for the liquid comprises an upwards open container ( 16 ) arranged at the downstream end of the casing ( 1 ) and adapted to receive liquid which flows into the annulus ( 12 ) and partly runs down into the container ( 16 ) from the bottom area of the casing ( 1 ) at the container opening, and partly falls into the container from the area at said barrier ( 15 ).
대표청구항
▼
1. An apparatus for separation of a liquid from a multiphase fluid flow flowing through a pipeline, wherein a fluid flow is set in rotation so that said fluid flow is separated into a central zone ( 5 ) essentially containing gas, and an outer annular zone ( 6 ) essentially containing liquid, and fr
1. An apparatus for separation of a liquid from a multiphase fluid flow flowing through a pipeline, wherein a fluid flow is set in rotation so that said fluid flow is separated into a central zone ( 5 ) essentially containing gas, and an outer annular zone ( 6 ) essentially containing liquid, and from which the gas and the liquid in the two zones are discharged via respective outlet means ( 10 , 16 ), said apparatus comprising:an essentially tubular casing ( 1 ) arranged to constitute a part of the actual pipeline, a spin element ( 4 ) for rotation of the fluid flow being located at the upstream end of the casing ( 1 ),an outlet element ( 10 ) arranged at the downstream end of the casing ( 1 ) and having a central, axially extending passage ( 11 ) for the gas, and an outer surface which, together with the inner surface of the casing ( 1 ), forms an annulus ( 12 ) for the inflow of liquid, a barrier ( 15 ) for the liquid being formed at the downstream end of the element ( 10 ), andan upwards open container ( 16 ) arranged at the downstream end of the casing ( 1 ) and adapted to receive liquid which flows into the annulus ( 12 ) and partly runs down into the container ( 16 ) from the bottom area of the casing ( 1 ) at the container opening, and partly falls into the container ( 16 ) from the area at said barrier ( 15 ),wherein an upper portion of the container ( 16 ) and a central portion of the upstream end of the spin element ( 4 ) are interconnected by means of a line ( 17 ) for recirculation of gas entrained by liquid running or falling into the container ( 16 ), the spin element ( 4 ) having a central cavity ( 18 ) and being provided with a number of openings ( 19 ) for the discharge of recirculated gas from the cavity ( 18 ). 2. An apparatus according to claim 1, characterised in that the outlet element ( 10 ) is a tubular element having a cylindrical upstream portion ( 13 ) and a downstream portion ( 14 ) diverging from this portion and being sealingly connected to the casing ( 1 ), for the formation of said barrier ( 15 ). 3. An apparatus according to claim 1, characterised in that an antispin element ( 22 ) is arranged at the downstream end of the gas outlet element ( 10 ). 4. An apparatus according to claim 1, characterised in that a valve ( 20 ) for control of the quantity of recirculated gas is connected in the recirculation line ( 17 ). 5. An apparatus according to claim 1, characterised in that the spin element ( 4 ) at its downstream end is formed with an aerodynamic, concentric end part ( 8 ). 6. An apparatus according to claim 5, characterised in that the spin element ( 4 ) at its downstream end is provided with a number of circumferentially extending, annular lips ( 9 ) serving as liquid stoppers. 7. An apparatus according to claim 1, characterised in that the container ( 16 ) in its bottom area has a liquid outlet pipe ( 24 ) in which there is connected a control valve ( 25 ) for the control of delivered liquid quantity from the container. 8. An apparatus according to claim 7, characterised in that the control valve ( 25 ) is arranged to be controlled by means of a level controlling unit ( 26 ) connected to a level gauge ( 27 ) measuring the level of liquid in the container. 9. An apparatus for separation of a liquid from a multiphase fluid flow flowing through a pipeline, wherein a fluid flow is set in rotation so that said fluid flow is separated into a central zone ( 5 ) essentially containing gas, and an outer annular zone ( 6 ) essentially containing liquid, and from which the gas and the liquid in the two zones are discharged via respective outlet means ( 10 , 16 ), said apparatus comprising:an essentially tubular casing ( 1 ) arranged to constitute a part of the actual pipeline, a spin element ( 4 ) for rotation of the fluid flow being located at the upstream end of the casing ( 1 ),an outlet element ( 10 ) arranged at the downstream end of the casing ( 1 ) and having a central, axially extending passa ge ( 11 ) for the gas, and an outer surface which, together with the inner surface of the casing ( 1 ), forms an annulus ( 12 ) for the inflow of liquid, a barrier ( 15 ) for the liquid being formed at the downstream end of the element ( 10 ), andan upwards open container ( 16 ) arranged at the downstream end of the casing ( 1 ) and adapted to receive liquid which flows into the annulus ( 12 ) and partly runs down into the container ( 16 ) from the bottom area of the casing ( 1 ) at the container opening, and partly falls into the container ( 16 ) from the area at said barrier ( 15 ),wherein the spin element ( 4 ) has a downstream end formed with an aerodynamic, concentric end part ( 8 ), said downstream end being further provided with a number of circumferentially extending, annular lips ( 9 ) serving as liquid stoppers.
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