JP7780452B2 - 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 - Google Patents

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

Info

Publication number
JP7780452B2
JP7780452B2 JP2022565060A JP2022565060A JP7780452B2 JP 7780452 B2 JP7780452 B2 JP 7780452B2 JP 2022565060 A JP2022565060 A JP 2022565060A JP 2022565060 A JP2022565060 A JP 2022565060A JP 7780452 B2 JP7780452 B2 JP 7780452B2
Authority
JP
Japan
Prior art keywords
flow path
suction
gas
submersible pump
discharge port
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.)
Active
Application number
JP2022565060A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022113450A5 (https=
JPWO2022113450A1 (https=
Inventor
修一郎 本田
哲司 笠谷
隼人 池田
光隆 石見
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 JPWO2022113450A1 publication Critical patent/JPWO2022113450A1/ja
Publication of JPWO2022113450A5 publication Critical patent/JPWO2022113450A5/ja
Priority to JP2025202024A priority Critical patent/JP2026015590A/ja
Application granted granted Critical
Publication of JP7780452B2 publication Critical patent/JP7780452B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
JP2022565060A 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 Active JP7780452B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025202024A JP2026015590A (ja) 2020-11-27 2025-11-21 潜没式ポンプのドライアップ方法およびクールダウン方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020196643 2020-11-27
JP2020196643 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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025202024A Division JP2026015590A (ja) 2020-11-27 2025-11-21 潜没式ポンプのドライアップ方法およびクールダウン方法

Publications (3)

Publication Number Publication Date
JPWO2022113450A1 JPWO2022113450A1 (https=) 2022-06-02
JPWO2022113450A5 JPWO2022113450A5 (https=) 2024-05-29
JP7780452B2 true JP7780452B2 (ja) 2025-12-04

Family

ID=81754502

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022565060A Active JP7780452B2 (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
JP2025202024A Pending JP2026015590A (ja) 2020-11-27 2025-11-21 潜没式ポンプのドライアップ方法およびクールダウン方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025202024A Pending JP2026015590A (ja) 2020-11-27 2025-11-21 潜没式ポンプのドライアップ方法およびクールダウン方法

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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007024166A (ja) 2005-07-15 2007-02-01 Taiyo Nippon Sanso Corp 低温液化ガス供給装置

Family Cites Families (20)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007024166A (ja) 2005-07-15 2007-02-01 Taiyo Nippon Sanso Corp 低温液化ガス供給装置

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
JP2026015590A (ja) 2026-01-29
AU2021386726A1 (en) 2023-06-29
CN116529489A (zh) 2023-08-01
CA3202585A1 (en) 2022-06-02
JPWO2022113450A1 (https=) 2022-06-02

Similar Documents

Publication Publication Date Title
JP7780452B2 (ja) 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
JP2006194440A (ja) 液化ガス用圧縮−蒸発システム
JP7835752B2 (ja) 方法及び搬送装置
JP2026042986A (ja) ポンプシステム
CN119836526B (zh) 泵装置、泵系统及泵系统的运转方法
JP2022166087A (ja) Ｌｎｇ推進船舶用の蒸発ガス圧縮機
WO2025070458A1 (ja) ポンプ装置のクールダウン方法
US20250361877A1 (en) Drying-up method, cooling-down method, and hot-up method for a pump apparatus
AU2024348633A1 (en) Cooling-down method for pump apparatus
JP2023115931A (ja) 冷熱回収設備及び船舶
JP2025158326A (ja) ポンプ装置
KR102786836B1 (ko) 수소연료전지차용 액체수소탱크의 압력조절장치
JP2024094711A (ja) 極低温流体の輸送システムおよび輸送方法
CN120936809A (zh) 泵装置及涡轮发电装置
WO2026028497A1 (ja) ポンプシステム
KR20240132090A (ko) 액화가스 저장탱크의 쿨링 다운 방법

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240521

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240521

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250624

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250822

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250924

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20251023

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20251121

R150 Certificate of patent or registration of utility model

Ref document number: 7780452

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150