GB1378999A - Pipeline flow control system and method - Google Patents

Pipeline flow control system and method

Info

Publication number
GB1378999A
GB1378999A GB3049773A GB3049773A GB1378999A GB 1378999 A GB1378999 A GB 1378999A GB 3049773 A GB3049773 A GB 3049773A GB 3049773 A GB3049773 A GB 3049773A GB 1378999 A GB1378999 A GB 1378999A
Authority
GB
United Kingdom
Prior art keywords
pressure
valve
signal
rate
pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3049773A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GROVE J M E M J DEV CO
Grove M H
Original Assignee
GROVE J M E M J DEV CO
Grove M H
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GROVE J M E M J DEV CO, Grove M H filed Critical GROVE J M E M J DEV CO
Publication of GB1378999A publication Critical patent/GB1378999A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/02—Preventing, monitoring, or locating loss
    • F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/005—Control of flow characterised by the use of auxiliary non-electric power combined with the use of electric means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0396—Involving pressure control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7759—Responsive to change in rate of fluid flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7761—Electrically actuated valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pipeline Systems (AREA)
  • Flow Control (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

1378999 Controlling pipeline flow M H GROVE & J M E GROVE [trading as M & J DEVELOPMENT CO] 27 June 1973 [14 July 1972] 30497/73 Heading G1N [Also in Division G3] A method for controlling the flow of fluid e.g. natural gas in a pipeline 12 having a normally open flow control valve 11 provided with a power operator 16 to close and open the valve comprises the steps of energizing the operator 16 to close the valve in the event of the static pressure in the line near the valve decreasing more rapidly than a predetermined rate, sensing the pressure in the line at that side of the closed valve where the static pressure is lower and reopening the valve a predetermined time after it is closed if the static pressure at the lower pressure side is greater than a predetermined minimum and/or if the rate of pressure drop at the lower pressure side is not greater than a predetermined maximum value. A reverse acting shuttle valve 21 communicates the lower pressure with a pressure sensitive resistance element in transducer 41 and the resulting signal is fed to a rate comparator 44 including a difference amplifier 47 where it is compared with a reference signal representing the average pressure and formed in capacitor memory 49. If the pressure signal drops below the reference the amplifier output signal turns on timing circuit 54 and ramp generator 56, the ramp voltage from which increases in magnitude at a rate corresponding to the maximum rate of pressure drop which would occur in the pipeline in the absence of a break. The ramp signal is added to the pressure signal and if the combined signal is less than the reference signal the tuner will continue to operate and after a given period (say 10 to 90 seconds) it will deliver an alarm signal to alarm relay 66 and through gate 78 to the 'inhibit' input of time delay relay 83 to prevent the valve 11 from being reopened. In addition or alternatively a low pressure 68 can be used in the same way to prevent the valve 11 from reopening. In this way a section of broken pipeline in a system with parallel branch lines Figs.5, 6, (not shown) can be isolated from the system.
GB3049773A 1972-07-14 1973-06-27 Pipeline flow control system and method Expired GB1378999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27201272A 1972-07-14 1972-07-14

Publications (1)

Publication Number Publication Date
GB1378999A true GB1378999A (en) 1975-01-02

Family

ID=23038027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3049773A Expired GB1378999A (en) 1972-07-14 1973-06-27 Pipeline flow control system and method

Country Status (8)

Country Link
US (1) US3776249A (en)
JP (1) JPS5415997B2 (en)
CA (1) CA985129A (en)
DE (1) DE2335373A1 (en)
FR (1) FR2193175B1 (en)
GB (1) GB1378999A (en)
IT (1) IT1003102B (en)
NL (1) NL157410B (en)

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US3875955A (en) * 1974-01-10 1975-04-08 Process Systems Digital fluid flow rate measurement or control system
USRE29383E (en) * 1974-01-10 1977-09-06 Process Systems, Inc. Digital fluid flow rate measurement or control system
US3952759A (en) * 1974-08-14 1976-04-27 M & J Valve Company Liquid line break control system and method
US3963043A (en) * 1975-01-02 1976-06-15 Motorola, Inc. Pressure sensing method and apparatus for gases
US4109512A (en) * 1976-08-30 1978-08-29 Ledeen Flow Control Systems Linebreak detection system
US4188968A (en) * 1977-10-28 1980-02-19 Johnson Controls, Inc. Flow system with pressure level responsive air admission control
US4307750A (en) * 1978-05-08 1981-12-29 Ledeen Flow Control Systems, Inc. System for precise position control
US4349885A (en) * 1979-03-20 1982-09-14 Crosby Valve & Gage Company Set pressure measuring system
US4333486A (en) * 1980-09-05 1982-06-08 Geosource Inc. Electronic valve controller
US4470948A (en) * 1981-11-04 1984-09-11 Westinghouse Electric Corp. Suppression of malfunction under water-solid conditions
US4507128A (en) * 1982-07-06 1985-03-26 Werner Robert O Pneumatic line break control system and method
JPS5926809A (en) * 1982-07-31 1984-02-13 Okuma Mach Works Ltd Wire conveyer
JPS60126800U (en) * 1984-02-06 1985-08-26 三菱重工業株式会社 fluid supply device
US4672997A (en) * 1984-10-29 1987-06-16 Btu Engineering Corporation Modular, self-diagnostic mass-flow controller and system
DE68915011T2 (en) * 1988-02-10 1994-08-25 Koatsu Gas Hoan Kyokai Gas cut-off device.
JP2574449B2 (en) * 1989-02-17 1997-01-22 株式会社巴技術研究所 Butterfly valve
US4926903A (en) * 1989-05-05 1990-05-22 Tomoe Technical Research Company Butterfly valve having a function for measuring a flow rate and method of measuring a flow rate with a butterfly valve
US5176164A (en) * 1989-12-27 1993-01-05 Otis Engineering Corporation Flow control valve system
US5152309A (en) * 1991-05-29 1992-10-06 Westinghouse Electric Corp. Valve control apparatus
US5148829A (en) * 1991-10-25 1992-09-22 Deville Wayne E Multi-orifice plate and fitting with positioner and differential selector
US5351705A (en) * 1992-08-26 1994-10-04 Watertronics, Inc. Method and apparatus for controlling fluid pumps and valves to regulate fluid pressure and to eliminate fluid flow surges
US5363874A (en) * 1992-10-08 1994-11-15 Sentry Equipment Corp. Automated sample conditioning module
US5423749A (en) * 1993-11-18 1995-06-13 Minnesota Mining And Manufacturing Company Cardioplegia administration system and method
DE4404224A1 (en) * 1994-02-10 1995-08-17 Danfoss As Hydraulic functional unit
NL1000099C2 (en) * 1995-04-10 1996-10-11 Johannes Abraham Ehrensperger Safety system for domestic and industrial premises
US5650564A (en) * 1995-06-08 1997-07-22 Wodeslavsky; Josef Fluid drip detection system
US5706852A (en) * 1995-10-03 1998-01-13 Deville; Wayne E. Multi-orifice plate carrier and fitting with positioner, differential selector and horizontal adjusting bar
US6012482A (en) * 1997-01-30 2000-01-11 Djt Products, Inc. Line break detector for pressurized fluid pumping systems
US5913236A (en) * 1997-05-22 1999-06-15 Wodeslavsky; Josef Protection system for hydraulic systems against leaks/floods, freezing and pressure
US6283138B1 (en) 1998-04-24 2001-09-04 Anderson, Greenwood Lp Pressure relief valve monitoring device
US6814096B2 (en) * 2000-12-15 2004-11-09 Nor-Cal Products, Inc. Pressure controller and method
JP3960054B2 (en) * 2002-01-21 2007-08-15 松下電器産業株式会社 Electronic component mounting apparatus and electronic component mounting head unit
US6986361B2 (en) 2002-04-23 2006-01-17 Mendoza Michael J Compressed air flow controller
EP1517128A3 (en) * 2003-09-04 2005-05-11 Robert Maxwell Pickering Device and method for testing the fluid-tightness of a system by monitoring pressure
WO2006014372A2 (en) * 2004-07-02 2006-02-09 Ferber Philip E Pipeline flow control optimization software, and methods
GB2437306B (en) * 2006-04-22 2010-07-07 Sam Mather Autonomous shut-off valve system
US8292839B2 (en) * 2008-04-09 2012-10-23 O'neill William G Recirculation switch for blood cardioplegia
US20100051110A1 (en) * 2008-09-04 2010-03-04 Ch2M Hill, Inc. Gas actuated valve
CA2806849C (en) * 2010-08-04 2015-10-13 Safoco, Inc. Safety valve control system and method of use
US9441453B2 (en) * 2010-08-04 2016-09-13 Safoco, Inc. Safety valve control system and method of use
WO2013134883A1 (en) * 2012-03-16 2013-09-19 Pradeep Dass Method of reducing leaks from a pipeline
GR1008946B (en) * 2015-05-28 2017-02-13 ΣΑΡΑΒΑΝΟΣ ΑΥΤΟΜΑΤΙΣΜΟΙ ΒΙΟΜΗΧΑΝΙΚΑ ΚΑΙ ΤΕΧΝΙΚΑ ΕΡΓΑ ΑΝΩΝΥΜΗ ΕΜΠΟΡΙΚΗ ΚΑΙ ΒΙΟΜΗΧΑΝΙΚΗ ΕΤΑΙΡΕΙΑ με δ.τ. "ΣΑΡΑΒΑΝΟΣ Α.Ε." Fluid injection system with use of parallel and synchronized recirculations
US10267306B2 (en) * 2017-02-15 2019-04-23 John E. McLoughlin Intake pressure control system
CN111720751B (en) * 2019-03-20 2022-05-20 青岛海尔电冰箱有限公司 Method and device for detecting abnormality of water path
CN111720752B (en) * 2019-03-20 2022-05-20 青岛海尔电冰箱有限公司 Method and device for detecting abnormality of water path
CN109812707B (en) * 2019-03-27 2024-03-01 西安长庆科技工程有限责任公司 Method, device and system for reducing pressure of entering station of oilfield gathering and transportation station
CN112525441A (en) * 2020-10-26 2021-03-19 中车唐山机车车辆有限公司 Air charging pressure maintaining system and air charging pressure maintaining equipment for motor train unit
CN114251605A (en) * 2021-12-29 2022-03-29 东本电气科技(苏州)有限公司 Leakage detection method and emergency device for gas underground pipe network
WO2024072358A1 (en) * 2022-09-27 2024-04-04 Duyar Vana Maki̇na Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ A ball valve system and method with equal proportional flow characteristics
US20240140796A1 (en) * 2022-10-26 2024-05-02 Saudi Arabian Oil Company Adaptive control of btx removal in sulfur recovery units

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2041862A (en) * 1930-11-18 1936-05-26 Ford Bacon & Davis Inc Safety system for pipe lines
US2763286A (en) * 1952-08-20 1956-09-18 Wilson Forbes Automatic valve control mechanism
US3527241A (en) * 1967-11-29 1970-09-08 Elliott Brothers London Ltd Fluid pressure control systems
US3665945A (en) * 1971-02-03 1972-05-30 M & J Valve Co Valve control system and method

Also Published As

Publication number Publication date
FR2193175B1 (en) 1976-04-30
FR2193175A1 (en) 1974-02-15
CA985129A (en) 1976-03-09
JPS5415997B2 (en) 1979-06-19
JPS4957289A (en) 1974-06-04
NL7309807A (en) 1974-01-16
NL157410B (en) 1978-07-17
US3776249A (en) 1973-12-04
DE2335373A1 (en) 1974-01-31
IT1003102B (en) 1976-06-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee