CN201823433U - Multiple-branch-pipe gas-liquid phase separator - Google Patents

Multiple-branch-pipe gas-liquid phase separator Download PDF

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Publication number
CN201823433U
CN201823433U CN2010205817980U CN201020581798U CN201823433U CN 201823433 U CN201823433 U CN 201823433U CN 2010205817980 U CN2010205817980 U CN 2010205817980U CN 201020581798 U CN201020581798 U CN 201020581798U CN 201823433 U CN201823433 U CN 201823433U
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China
Prior art keywords
gas
liquid
separator
cylindrical shell
manifold
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Expired - Lifetime
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CN2010205817980U
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Chinese (zh)
Inventor
杨强
刘永茜
边云燕
郭佳春
陈静
郭艳林
李小丽
张莉
黄静
余洋
冯琦
雒定明
李积科
文成杨
宋德琦
秦兴述
杨晓秋
陈彰兵
郭成华
向波
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China Petroleum Engineering and Construction Corp
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China National Petroleum Corp Engineering Design Co Ltd
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Priority to CN2010205817980U priority Critical patent/CN201823433U/en
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Publication of CN201823433U publication Critical patent/CN201823433U/en
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Abstract

The utility model discloses a multiple-branch-pipe gas-liquid phase separator comprising a separator cylinder body and a liquid storage cylinder, wherein a gas-liquid inlet is arranged at a position near the right side of the liquid storage cylinder and connected with a gas-liquid gas-inlet manifold; the gas-liquid gas-inlet manifold is divided into an ascending pipe section and a descending pipe section; the tail of the ascending pipe section and the head of the descending pipe section of the gas-liquid gas-inlet manifold are provided with gas inlet branch pipes; above the separator cylinder body, the gas inlet branch pipes are connected with a gas-phase inlet manifold after being converged with a position parallel to the separator cylinder body; and the tail of the descending pipe section of the gas-liquid gas-inlet manifold is connected with a liquid phase inlet arranged above the left side of the separator cylinder body. The multiple-branch-pipe gas-liquid phase separator has the advantages of being capable of effectively capturing slug flows formed in the processes of pipe transmitting and pigging, and achieving fast, safety and high-efficiency separation effect.

Description

The manifold gas-liquid two-phase separator
Technical field
The utility model relates to a kind of gas-liquid separation device, and the band slug flow that especially relates to oil gas field special use in a kind of oil, the petrochemical industry system captures the manifold gas-liquid two-phase separator of function.
Background technology
In recent years, big oil gas field and oil gas structure have been found in succession in wide Haiti, beach district and western Gobi desert, desert area.But natural environmental condition is all very abominable, carries out the engineering construction difficulty on the spot, and required construction investment and administrative expenses are also high.Therefore, for efficient, safety, develop construction economically, the domestic multiphase flow conveying technology of greatly developing is delivered to oil, gas medium the downstream station by a pipeline mixing and handles.Field, downstream station adopts two kinds of schemes that upstream oil gas medium is received usually at present, a kind of is slug catcher, its advantage is that treating capacity is big, and adaptive capacity is strong, is usually used in the exploitation of larger hydrocarbon field, shortcoming then is the one-time investment height, easily up to ten million, in case gas field development program changes, easily cause the investment waste, floor space is big simultaneously, and is inapplicable for the station that landform is narrow; Another kind is conventional horizontal or vertical gravity gas-liquid separator, treating capacity is little and process range is narrower, can only satisfy the gas-liquid separation required precision in the certain limit, significantly increase owing to water content in the middle and later periods of gas field development, Chang Buneng satisfies the requirement of actual production operation.In addition when mixed transporting tube road pigging operation,, the slug flow that pigging produced has a strong impact on because also very easily causing the measuring equipment safety in the separating effect of conventional gas-liquid separator and downstream.
The utility model content
The utility model has overcome shortcoming of the prior art, and a kind of manifold gas-liquid two-phase separator is provided.
The technical solution of the utility model is: a kind of manifold gas-liquid two-phase separator, comprise separator cylindrical shell and hydrops tube, be provided with the gas-liquid import in position near hydrops tube lower right side, the inlet manifold links to each other with gas-liquid, at separator cylindrical shell top right end separator outlet is set, described gas-liquid inlet manifold is divided into rising pipeline section and decline pipeline section, be provided with the air inlet branched pipe in gas-liquid inlet manifold's rising pipeline section latter end and decline pipeline section first section and stage casing, the air inlet branched pipe is above the separator cylindrical shell, the position parallel with the separator cylindrical shell converged the back and is connected with the gas phase inlet manifold, and gas phase inlet manifold inserts the separator cylindrical shell from separator cylindrical shell top; The liquid phase import is arranged on separator cylindrical shell left end.
The inclination angle scope of described gas-liquid inlet manifold's rising pipeline section be 30 the degree to 45 the degree, the inclination angle scope of decline pipeline section be-3 the degree to-15 the degree.In the air inlet branched pipe, be provided with every pendular ring.Position near the liquid phase import in the separator cylindrical shell is provided with cushioning fender, in the stage casing of separator cylindrical shell cowling panel is set.Be provided with interface of the level gauge at separator cylindrical shell and hydrops tube middle part.From left to right set gradually relief valve connection, manual atmospheric valve interface, water filling port, manhole and pressure sensor interface at separator cylindrical shell top.At described separator outlet wire-mesh mist extractor and isolated by filtration element are set.
Compared with prior art, the utility model has the advantages that: intake method and the version of having improved conventional gas-liquid separator, by being set, the tilting reducing air inlet person in charge and multiple branch circuit riser carry out the pre-separation of gas-liquid gravity, change the two-stage Gravity Separation into by the one-level Gravity Separation, the fluid flow state and the gas liquid ratio that enter gas-liquid separator have been changed, can effectively capture managing the slug flow that forms in defeated and the pigging process, reach fast, safety, efficient effect of separating.Be in particular in: 1) solved the defective of gas-liquid separation when conventional gas-liquid separator can not satisfy pigging operation in the oil gas field production run process, reduced that slug flow is to the impact of equipment in the defeated and pigging process of pipe, the safety of equipment is swum at the protection station after the match; 2) compare with conventional slug catcher, greatly reduced construction investment and floor space, can be used as a kind of small-sized slug catcher and extensively apply in the station production and operation in oil, gas field; 3) equipment volume little, take up an area of less, the separative efficiency height, but skidization is widely used in the gathering station field in oil, gas field.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is an external structure schematic diagram of the present utility model;
Fig. 2 is internal structure of the present utility model and interface schematic diagram.
The specific embodiment
A kind of manifold gas-liquid two-phase separator, as depicted in figs. 1 and 2, comprising: separator cylindrical shell 1, gas-liquid import 2, air inlet branched pipe 3, gas phase inlet manifold 4, liquid phase import 5, separator outlet 6, relief valve connection 7, manual atmospheric valve interface 8, water filling port 9, manhole 10, pressure sensor interface 11, isolated by filtration element 12, wire-mesh mist extractor 13, cushioning fender 14, cowling panel 15, interface of the level gauge 16, gray-drawing port 17, sewage draining exit 18, hydrops tube 19.Wherein:
Be provided with gas-liquid import 2 in position near hydrops tube 19 lower right sides, gas-liquid import 2 links to each other with the gas-liquid inlet manifold, gas-liquid inlet manifold is divided into rising pipeline section and decline pipeline section, the inclination angle scope of rising pipeline section is that 30 degree are to 45 degree, the inclination angle scope of decline pipeline section is that-3 degree are to-15 degree, be provided with two to six roots of sensation air inlet branched pipe 3 vertically upward in gas-liquid inlet manifold's rising pipeline section latter end and decline pipeline section first section and stage casing, air inlet branched pipe 3 is above separator cylindrical shell 1, the position parallel with separator cylindrical shell 1 converged the back and is connected with gas phase inlet manifold 4, and gas phase inlet manifold 4 is from separator cylindrical shell 1 top access separator cylindrical shell 1; Liquid phase import 5 is arranged on separator cylindrical shell 1 left end.In air inlet branched pipe 3, be provided with stop liquid stream with air-flow spiral rise every pendular ring; The latter end of decline pipeline section be arranged on the 1 upper left liquid phase import 5 of separator cylindrical shell and link to each other, position near liquid phase import 5 in separator cylindrical shell 1 is provided with cushioning fender 14, two cowling panels 15 are set in the stage casing of separator cylindrical shell 1, be provided with interface of the level gauge 16 at separator cylindrical shell 1 middle part, at hydrops tube 19 left ends gray-drawing port 17 be set, the middle part is provided with sewage draining exit 18.
From left to right set gradually gas phase inlet manifold 4, relief valve connection 7, manual atmospheric valve interface 8, water filling port 9, manhole 10, pressure sensor interface 11 and separator outlet 6 at separator cylindrical shell 1 top; At separator outlet 6 wire-mesh mist extractor 13 and isolated by filtration element 12 are set.
The operation principle of the present utility model and the course of work are: the oil gas of mixed transporting tube line mixes to come liquid to enter the gas-liquid inlet manifold with certain angle of inclination from gas-liquid import 2, fluid-mixing reduces flow velocity gradually in gas-liquid inlet manifold's rising pipeline section, form stratified flow, at gas-liquid inlet manifold's rising pipeline section latter end and first section of decline pipeline section, the position that the gas-liquid flow velocity is lower is provided with air inlet branched pipe 3 vertically upward, carry out the pre-separation of gas-liquid by gravity, be provided with in the air inlet branched pipe stop liquid stream with air-flow spiral rise every pendular ring, gas enters separator cylindrical shell 1 top by gas phase inlet manifold 4.Gas-liquid medium after pre-separation enters separator cylindrical shell 1 through liquid phase import 5, behind cushioning fender 14 reductions of speed, gas, liquid further separate in the separator cylindrical shell, gas enters isolated by filtration element 12 on separator cylindrical shell 1 top through silk screen mist eliminator 13, carry out entering separator outlet 6 after the further isolated by filtration, liquid then after cowling panel 15 rectifications, carries out automatic drain by the fluid level controller that links to each other with interface of the level gauge 16, enters sewage draining exit 18.Separator cylindrical shell 1 top from left to right is followed successively by relief valve connection 7, manual atmospheric valve interface 8, water filling port 9, manhole 10, pressure sensor interface 11; wherein relief valve connection 7 is used for the overpressure protection of separator equipment; emptying, water filling and personnel when manually atmospheric valve interface 8, water filling port 9, manhole 10 are for overhaul of the equipments enter maintenance usefulness in the separator cylindrical shell 1, and pressure sensor interface 11 can show on the spot that pressure or teletransmission pressure to Central Control Room carry out remote monitoring.Come part solid particle entrained in the liquid under the gravity effect, be deposited in the hydrops tube 19, when overhaul of the equipments, discharge by gray-drawing port 17.

Claims (7)

1. manifold gas-liquid two-phase separator, comprise separator cylindrical shell and hydrops tube, be provided with the gas-liquid import in position near hydrops tube lower right side, the inlet manifold links to each other with gas-liquid, at separator cylindrical shell top right end separator outlet is set, it is characterized in that: described gas-liquid inlet manifold is divided into rising pipeline section and decline pipeline section, be provided with the air inlet branched pipe in gas-liquid inlet manifold's rising pipeline section latter end and decline pipeline section first section and stage casing, the air inlet branched pipe is above the separator cylindrical shell, the position parallel with the separator cylindrical shell converged the back and is connected with the gas phase inlet manifold, and gas phase inlet manifold inserts the separator cylindrical shell from separator cylindrical shell top; The liquid phase import is arranged on separator cylindrical shell left end.
2. manifold gas-liquid two-phase separator according to claim 1 is characterized in that: the inclination angle scope of described gas-liquid inlet manifold's rising pipeline section be 30 the degree to 45 the degree, the inclination angle scope of decline pipeline section be-3 the degree to-15 the degree.
3. manifold gas-liquid two-phase separator according to claim 1 is characterized in that: be provided with every pendular ring in the air inlet branched pipe.
4. manifold gas-liquid two-phase separator according to claim 1 is characterized in that: the position near the liquid phase import in the separator cylindrical shell is provided with cushioning fender, in the stage casing of separator cylindrical shell cowling panel is set.
5. manifold gas-liquid two-phase separator according to claim 1 is characterized in that: be provided with interface of the level gauge at separator cylindrical shell and hydrops tube middle part.
6. manifold gas-liquid two-phase separator according to claim 1 is characterized in that: from left to right set gradually relief valve connection, manual atmospheric valve interface, water filling port, manhole and pressure sensor interface at separator cylindrical shell top.
7. manifold gas-liquid two-phase separator according to claim 1 is characterized in that: at described separator outlet wire-mesh mist extractor and isolated by filtration element are set.
CN2010205817980U 2010-10-29 2010-10-29 Multiple-branch-pipe gas-liquid phase separator Expired - Lifetime CN201823433U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205817980U CN201823433U (en) 2010-10-29 2010-10-29 Multiple-branch-pipe gas-liquid phase separator

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Application Number Priority Date Filing Date Title
CN2010205817980U CN201823433U (en) 2010-10-29 2010-10-29 Multiple-branch-pipe gas-liquid phase separator

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CN201823433U true CN201823433U (en) 2011-05-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102008867A (en) * 2010-10-29 2011-04-13 中国石油集团工程设计有限责任公司 Multi-branch pipe gas-liquid separator
CN103877752A (en) * 2014-04-08 2014-06-25 华东理工大学 Online degassing method and device of pipeline fluid
CN105013215A (en) * 2014-04-23 2015-11-04 中国海洋石油总公司 Underwater tubular slug flow buffer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102008867A (en) * 2010-10-29 2011-04-13 中国石油集团工程设计有限责任公司 Multi-branch pipe gas-liquid separator
CN102008867B (en) * 2010-10-29 2012-09-05 中国石油集团工程设计有限责任公司 Multi-branch pipe gas-liquid separator
CN103877752A (en) * 2014-04-08 2014-06-25 华东理工大学 Online degassing method and device of pipeline fluid
CN103877752B (en) * 2014-04-08 2015-12-09 华东理工大学 A kind of online degas method of pipeline fluid and device
CN105013215A (en) * 2014-04-23 2015-11-04 中国海洋石油总公司 Underwater tubular slug flow buffer

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180110

Address after: 610041 Chengdu high tech Zone, Sichuan province sublimation Road No. 6

Patentee after: China Petroleum Engineering Construction Co Ltd

Address before: 610017 Sichuan province Chengdu Xiaoguan Temple Backstreet No. 25

Patentee before: Engineering Design Co., Ltd., China Petroleum Group

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110511