CN203355371U - SFC (specific fuel consumption) slug flow trapping system - Google Patents
SFC (specific fuel consumption) slug flow trapping system Download PDFInfo
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- CN203355371U CN203355371U CN 201320272285 CN201320272285U CN203355371U CN 203355371 U CN203355371 U CN 203355371U CN 201320272285 CN201320272285 CN 201320272285 CN 201320272285 U CN201320272285 U CN 201320272285U CN 203355371 U CN203355371 U CN 203355371U
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Abstract
The utility model provides an SFC slug flow trapping system. The SFC slug flow trapping system comprises a cyclone separator, a horizontal type separator, a vapor phase outlet pipeline and a liquid phase outlet pipeline; and the SFC slug flow trapping system further comprises a slug flow detector mounted in an incoming flow pipeline, a liquid level transmitter, a pressure transmitter, a liquid level transmitter, liquid level switches, and a control loop mounted in a control box, wherein the liquid level transmitter and the pressure transmitter are mounted on the cyclone separator, the liquid level transmitter and the liquid level switches are mounted on the horizontal type separator, the top end and the bottom end of the cyclone separator are communicated with the top end and the bottom end of the horizontal type separator through the pipelines respectively; the vapor phase outlet pipeline is connected to the top end of the horizontal type separator, and a vapor phase regulating valve is mounted on the vapor phase outlet pipeline; and the liquid phase outlet pipeline is connected to the bottom end of the horizontal type separator, and a liquid phase regulating valve is mounted on the liquid phase outlet pipeline. The SFC slug flow trapping system provided by the utility model is high in separating efficiency, large in operation elasticity, high in integration degree and small in occupied area, and can eliminate impact and damage of a pigging slug flow to downstream equipment.
Description
Technical field
The utility model belongs to oil and gas equipment, particularly relates to the oil field product and builds the SFC slug flow trapping system in engineering, is specially adapted to the end of oil gas field gas-liquid pipeline.
Background technology
At present, China adopts two-phase or multiphase fluid line to carry gas and liquid usually simultaneously, in the gas-liquid delivery pipeline, because liquid plug and long bubble replacing on room and time shows intermittence and unstability in flow process, form powerful slug flow, especially when the transmitting-receiving spherical pig, the amount of pipe end slug flow becomes multiple to enlarge especially, and upstream device, by badly damaged, is also brought to huge hidden danger for petroleum gas steady production and safe handling.
Summary of the invention
The purpose of this utility model is to provide a kind of SFC slug flow trapping system, and its separative efficiency is high, operating flexibility large, the collectionization degree is high, floor space is little.
The technical solution of the utility model is: a kind of SFC slug flow trapping system comprises cyclone separator, horizontal separator, gaseous phase outlet pipeline, liquid-phase outlet pipeline; Trapping system also comprises:
Be arranged on the incoming flow pipeline the section flux detector, be arranged on fluid level transmitter and pressure transmitter on cyclone separator, be arranged on fluid level transmitter and liquid-level switch on horizontal separator, be arranged on the control loop in control cabinet;
The top of described cyclone separator is communicated with horizontal separator top and bottom by pipeline respectively with bottom;
The top of described horizontal separator is connected with the gaseous phase outlet pipeline, and the gas phase control valve is installed on the gaseous phase outlet pipeline; The bottom of horizontal separator is connected with the liquid-phase outlet pipeline, and liquid phase control valve and Liquid level adjusting valve feedback controller are installed on the liquid-phase outlet pipeline.
Further, be connected with little liquid-phase outlet pipeline and large liquid-phase outlet pipeline on the liquid-phase outlet pipeline, on large liquid-phase outlet pipeline, liquid phase control valve and Liquid level adjusting valve feedback controller are installed, liquid phase control valve and Liquid level adjusting valve feedback controller are installed on little liquid-phase outlet pipeline.
Further, detector from the bottom of pipeline and pipeline top, forms pressure reduction according to liquid, judges that whether slug flow arrives, and is transported to control loop by signal; Control loop is according to the aperture of signal controlling gas phase control valve and liquid phase control valve, whole system is in the pigging state simultaneously, and the gas phase control valve opening diminishes, and two liquid phase control valve openings progressively become large, system, in advance back horizontal separator emptying rate of liquid, meets slug flow to arrive.
Further, fluid level transmitter is transported to control loop by signal, and control loop is according to the aperture of signal controlling gas phase control valve and liquid phase control valve.By the interior liquid level of fluid level transmitter measuring section plug flow separator (column cyclonic separator and horizontal separator are same liquid levels), signal is transported to control loop, then control to adjust the aperture of two Liquid level adjusting valves of valve by control loop, realize slug flow separator inside liquid level balance.
Further, pressure transmitter is transported to control loop by signal, and control loop is according to the aperture of signal controlling gas phase control valve and liquid phase control valve.By pressure transmitter measurement slug flow separator internal pressure, and input with the Liquid level adjusting valve feedback controller, control the aperture of gas phase control valve, realize slug flow separator internal pressure balance.
The described fluid level transmitter be arranged on horizontal separator, control the aperture that gas phase control valve and liquid phase are regulated meal.When arriving high liquid level, the basic complete shut-down of gas phase control valve, the basic standard-sized sheet of liquid phase control valve; When liquid level arrives low liquid level, the basic standard-sized sheet of gas phase control valve, liquid phase is regulated the basic complete shut-down of meal.
Characteristics and the advantage of SFC slug flow trapping system of the present utility model are: the slug flow detector can predict that slug flow is through trap time, slug flow length and slug flow; The column cyclone separator is by weak eddy flow, and gas-liquid is separated, and during slug flow process cyclone separator, the column cyclone separator absorbs 80～90% impact energys, on the basis that guarantees to separate, has also protected upstream device.
The accompanying drawing explanation:
Fig. 1 is the utility model SFC slug flow trapping system A;
Fig. 2 is the utility model SFC slug flow trapping system B;
Wherein, 1 section flux detector, 2 pressure transmitters, 3 fluid level transmitters, 4 liquid-level switches, 5 cyclone separators, 6 horizontal separators, 7 control loops, 8 gas phase control valves, 9 liquid phase control valves, 10 large liquid control valves, 11 little liquid control valves, 12 gaseous phase outlet pipelines, 13 liquid-phase outlet pipelines, 14 large liquid outlet conduits, 15 little liquid outlet conduits, 16 Liquid level adjusting valve feedback controllers
The specific embodiment:
Below in conjunction with accompanying drawing, the utility model is further explained to explanation.
Section flux detector 1 as shown in Figure 1 from the bottom of pipeline and pipeline top, forms pressure reduction according to liquid, judges that whether slug flow arrives, and is transported to control loop 7 by signal; Control loop 7 is according to the aperture of signal controlling gas phase control valve 8 and liquid phase control valve 9, whole system is in the pigging state simultaneously, and gas phase control valve 7 apertures diminish, and liquid phase control valve 8 apertures progressively become large, system, in advance back horizontal separator 6 emptying rate of liquids, meets slug flow to arrive.When slug flow arrives cyclone separator 5, the fluid level transmitter 3 that is arranged on cyclone separator 5 is transported to control loop 7 by signal, and control loop 7 is according to the aperture of signal controlling gas phase control valve 8 and liquid phase control valve 9; Pressure transmitter 2 is transported to control loop 7 by signal, and control loop 7 is according to the aperture of signal controlling gas phase control valve 8 and liquid phase control valve 9.By pressure transmitter 2 measuring section plug flow separator internal pressures, and input with Liquid level adjusting valve feedback controller 16, control the aperture of gas phase control valve 8, realize separator internal pressure balance.When the slug flow liquid part of being processed later by cyclone separator 5 flows into horizontal separator 6 by bottom pipe, the gas phase part is flowed into the top of horizontal separator 6 and discharges via gaseous phase outlet pipeline 12 by upper pipe; In separation process, by the interior liquid level of fluid level transmitter 3 measuring section plug flow separators (column cyclonic separator and horizontal separator are same liquid levels), signal is transported to control loop 7, then control the aperture of little liquid control valve 10 and large liquid control valve 11 by control loop 7, realize slug flow separator inside liquid level balance; Separate complete liquid phase part and discharged by liquid-phase outlet pipeline 13, the gas phase part is discharged by the gaseous phase outlet pipeline 8 on top.
Although the utility model is described with reference to specific embodiment as above; but those skilled in the art will be appreciated that; above embodiment illustrates the utility model rather than restriction the utility model, as long as in the scope of in connotation scope of the present utility model, the variation of above-described embodiment, claims that modification all should fall into the application being asked for protection.
Claims (5)
1. a SFC slug flow trapping system, comprise cyclone separator (5), horizontal separator (6), gaseous phase outlet pipeline (12), liquid-phase outlet pipeline (13); It is characterized in that: described trapping system also comprises:
Be arranged on the incoming flow pipeline section flux detector (1), be arranged on fluid level transmitter (3) and pressure transmitter (2) on cyclone separator (5), be arranged on fluid level transmitter (3) and liquid-level switch (4) on horizontal separator (6), be arranged on the interior control loop (7) of control cabinet;
The top of described cyclone separator (5) is communicated with horizontal separator (6) top and bottom by pipeline respectively with bottom;
The top of described horizontal separator (6) is connected with gaseous phase outlet pipeline (12), and gas phase control valve (8) is installed on gaseous phase outlet pipeline (12); The bottom of horizontal separator (6) is connected with liquid-phase outlet pipeline (13), and liquid phase control valve (9) and Liquid level adjusting valve feedback controller (16) are installed on liquid-phase outlet pipeline (13).
2. SFC slug flow trapping system according to claim 1, it is characterized in that: be connected with little liquid-phase outlet pipeline (15) and large liquid-phase outlet pipeline (14) on described liquid-phase outlet pipeline (13), liquid phase control valve (11) and Liquid level adjusting valve feedback controller (16) are installed on described large liquid-phase outlet pipeline (15), liquid phase control valve (10) and Liquid level adjusting valve feedback controller (16) are installed on little liquid-phase outlet pipeline (14).
3. SFC slug flow trapping system according to claim 1, it is characterized in that: described section flux detector (1) or fluid level transmitter (3) or pressure transmitter (2) send a signal to control loop (7), and control loop (7) is according to the aperture of signal controlling gas phase control valve (8) and liquid phase control valve (9).
4. SFC slug flow trapping system according to claim 2, it is characterized in that: described section flux detector (1), fluid level transmitter (2), pressure transmitter (3) send a signal to control loop (7), and control loop (7) is according to the aperture of signal controlling gas phase control valve (8) and the large little liquid control valve of liquid control valve (10) (11).
5. according to the arbitrary described SFC slug flow trapping system of claim 1 or 2, it is characterized in that: the described fluid level transmitter (3) be arranged on horizontal separator (6), control the aperture that gas phase control valve (8) and liquid phase are regulated meal (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320272285 CN203355371U (en) | 2013-05-20 | 2013-05-20 | SFC (specific fuel consumption) slug flow trapping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320272285 CN203355371U (en) | 2013-05-20 | 2013-05-20 | SFC (specific fuel consumption) slug flow trapping system |
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| CN203355371U true CN203355371U (en) | 2013-12-25 |
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| CN 201320272285 Expired - Fee Related CN203355371U (en) | 2013-05-20 | 2013-05-20 | SFC (specific fuel consumption) slug flow trapping system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104850158A (en) * | 2015-05-25 | 2015-08-19 | 中国海洋石油总公司 | Liquid level-pressure coordinated control method used for gas-liquid separator |
| CN107106934A (en) * | 2014-11-13 | 2017-08-29 | 苏舍化学技术有限公司 | Continuous through-flow sedimentation vessel and the method that adaptability separation is carried out to the mixture from natural gas and/or oil exploration |
| CN109138965A (en) * | 2018-10-11 | 2019-01-04 | 中国石油工程建设有限公司 | A kind of slug flow trapping system and method based on low pressure receiver |
| CN109707347A (en) * | 2019-01-21 | 2019-05-03 | 中国石油工程建设有限公司 | Pretreatment system and method before a kind of unstripped gas wellhead supercharging |
| CN110529735A (en) * | 2019-09-06 | 2019-12-03 | 四川蓝星机械有限公司 | A kind of gas field mixed transportation of oil and gas pipeline cleaning slug split-phase processing method |
-
2013
- 2013-05-20 CN CN 201320272285 patent/CN203355371U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107106934A (en) * | 2014-11-13 | 2017-08-29 | 苏舍化学技术有限公司 | Continuous through-flow sedimentation vessel and the method that adaptability separation is carried out to the mixture from natural gas and/or oil exploration |
| US10967297B2 (en) | 2014-11-13 | 2021-04-06 | Sulzer Management Ag | Continuous through-flow settling vessel, and a method of adaptive separation of a mixture from gas and/or oil exploration |
| CN104850158A (en) * | 2015-05-25 | 2015-08-19 | 中国海洋石油总公司 | Liquid level-pressure coordinated control method used for gas-liquid separator |
| CN104850158B (en) * | 2015-05-25 | 2017-02-01 | 中国海洋石油总公司 | Liquid level-pressure coordinated control method used for gas-liquid separator |
| CN109138965A (en) * | 2018-10-11 | 2019-01-04 | 中国石油工程建设有限公司 | A kind of slug flow trapping system and method based on low pressure receiver |
| CN109138965B (en) * | 2018-10-11 | 2023-11-03 | 中国石油工程建设有限公司 | Slug flow trapping system and method based on low-pressure liquid storage |
| CN109707347A (en) * | 2019-01-21 | 2019-05-03 | 中国石油工程建设有限公司 | Pretreatment system and method before a kind of unstripped gas wellhead supercharging |
| CN109707347B (en) * | 2019-01-21 | 2023-11-03 | 中国石油工程建设有限公司 | Pretreatment system and method for raw gas wellhead before pressurization |
| CN110529735A (en) * | 2019-09-06 | 2019-12-03 | 四川蓝星机械有限公司 | A kind of gas field mixed transportation of oil and gas pipeline cleaning slug split-phase processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20210520 |