AU2021386726A1 - Flow path switching device and method for preventing dry running of submerged-type pump - Google Patents

Flow path switching device and method for preventing dry running of submerged-type pump Download PDF

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Publication number
AU2021386726A1
AU2021386726A1 AU2021386726A AU2021386726A AU2021386726A1 AU 2021386726 A1 AU2021386726 A1 AU 2021386726A1 AU 2021386726 A AU2021386726 A AU 2021386726A AU 2021386726 A AU2021386726 A AU 2021386726A AU 2021386726 A1 AU2021386726 A1 AU 2021386726A1
Authority
AU
Australia
Prior art keywords
flow passage
gas
suction vessel
submersible pump
suction
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.)
Pending
Application number
AU2021386726A
Other languages
English (en)
Other versions
AU2021386726A9 (en
Inventor
Shuichiro Honda
Hayato Ikeda
Mitsutaka IWAMI
Tetsuji KASATANI
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.)
Ebara Corp
Original Assignee
Ebara Corp
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 Ebara Corp filed Critical Ebara Corp
Publication of AU2021386726A1 publication Critical patent/AU2021386726A1/en
Publication of AU2021386726A9 publication Critical patent/AU2021386726A9/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/001—Preventing vapour lock
    • F04D9/002—Preventing vapour lock by means in the very pump
    • F04D9/003—Preventing vapour lock by means in the very pump separating and removing the vapour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0011—Control, e.g. regulation, of pumps, pumping installations or systems by using valves by-pass valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
AU2021386726A 2020-11-27 2021-08-27 Flow path switching device and method for preventing dry running of submerged-type pump Pending AU2021386726A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020196643 2020-11-27
JP2020-196643 2020-11-27
PCT/JP2021/031502 WO2022113450A1 (ja) 2020-11-27 2021-08-27 流路切り替え装置および潜没式ポンプの空転を防止するための方法

Publications (2)

Publication Number Publication Date
AU2021386726A1 true AU2021386726A1 (en) 2023-06-29
AU2021386726A9 AU2021386726A9 (en) 2024-05-02

Family

ID=81754502

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2021386726A Pending AU2021386726A1 (en) 2020-11-27 2021-08-27 Flow path switching device and method for preventing dry running of submerged-type pump

Country Status (8)

Country Link
US (1) US20240011492A1 (https=)
EP (1) EP4253759A4 (https=)
JP (2) JP7780452B2 (https=)
KR (1) KR20230107360A (https=)
CN (1) CN116529489A (https=)
AU (1) AU2021386726A1 (https=)
CA (1) CA3202585A1 (https=)
WO (1) WO2022113450A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7804533B2 (ja) 2022-05-26 2026-01-22 株式会社荏原製作所 直列に連結されたポンプ装置の始動方法および停止方法
CN119213222A (zh) * 2022-05-26 2024-12-27 株式会社荏原制作所 泵装置的干燥方法、降温方法以及升温方法
TW202447080A (zh) * 2023-04-26 2024-12-01 日商荏原製作所股份有限公司 泵浦裝置及泵浦系統
CN117783454B (zh) * 2024-02-28 2024-04-23 陕西省环境监测中心站 一种实时定量检测的污染源有机气体检测装置
JP2025158326A (ja) * 2024-04-04 2025-10-17 株式会社荏原製作所 ポンプ装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2103948A1 (de) * 1971-01-28 1972-09-14 Kupex Ag Automatisches Ventil
JPS582497A (ja) * 1981-06-29 1983-01-08 Nikkiso Co Ltd ピツトバレル型ポンプの自動ガス抜き装置
JPS59159795A (ja) 1983-03-04 1984-09-10 Yakult Honsha Co Ltd 微生物変換による抱合型ウルソデオキシコ−ル酸の製造方法
JPS59159795U (ja) 1983-04-12 1984-10-26 株式会社荏原製作所 サブマ−ジドモ−タポンプ
JPS61162579U (https=) * 1985-03-29 1986-10-08
JPS6231680U (https=) 1985-08-09 1987-02-25
JPH076510B2 (ja) * 1987-04-17 1995-01-30 株式会社日立製作所 液量制限弁を備えた液封式気体ポンプ
JPH06307376A (ja) * 1993-04-22 1994-11-01 Hitachi Ltd 液化ガスタンク用潜没ポンプ装置
JP3232999B2 (ja) * 1996-02-14 2001-11-26 株式会社日立製作所 液化ガスタンク用潜没ポンプ装置
CN2525286Y (zh) * 2001-11-21 2002-12-11 山西天海泵业有限公司 潜水泵用自动防倒转装置
JP4273254B2 (ja) * 2002-06-25 2009-06-03 Ｓｍｃ株式会社 起動時吐出性能を改善した浸漬式ポンプ
JP4300088B2 (ja) * 2003-09-29 2009-07-22 日機装株式会社 サブマージドポンプ
KR100722508B1 (ko) * 2005-07-08 2007-05-29 이윤호 수격작용 예방수단을 가진 수중모터펌프
JP2007024166A (ja) * 2005-07-15 2007-02-01 Taiyo Nippon Sanso Corp 低温液化ガス供給装置
GB2434385B (en) * 2006-01-19 2010-07-14 Schlumberger Holdings Wellbore system and method using a flow-actuated diverter valve
CN201358922Y (zh) * 2008-12-25 2009-12-09 上海交通大学 输送液化天然气的潜液式低温泵
US8651836B2 (en) * 2011-04-08 2014-02-18 Baker Hughes Incorporated Torque transmitting rings for sleeves in electrical submersible pumps
US20120257995A1 (en) * 2011-04-11 2012-10-11 True Bryan R Submersible pump and motor rotation indication circuit
CN207989809U (zh) * 2018-02-09 2018-10-19 广东美的生活电器制造有限公司 三通阀和饮品机
EP3739210A1 (en) * 2019-05-16 2020-11-18 Cryostar SAS Apparatus for pumping cryogenic fluids
CN210484680U (zh) * 2019-08-19 2020-05-08 常州埃姆基冷冻设备有限公司 油温调节阀

Also Published As

Publication number Publication date
US20240011492A1 (en) 2024-01-11
EP4253759A4 (en) 2024-10-30
KR20230107360A (ko) 2023-07-14
AU2021386726A9 (en) 2024-05-02
WO2022113450A1 (ja) 2022-06-02
EP4253759A1 (en) 2023-10-04
JP7780452B2 (ja) 2025-12-04
JP2026015590A (ja) 2026-01-29
CN116529489A (zh) 2023-08-01
CA3202585A1 (en) 2022-06-02
JPWO2022113450A1 (https=) 2022-06-02

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