JPS5746088A - Surge preventing device for multi-stage compressor - Google Patents

Surge preventing device for multi-stage compressor

Info

Publication number
JPS5746088A
JPS5746088A JP12103680A JP12103680A JPS5746088A JP S5746088 A JPS5746088 A JP S5746088A JP 12103680 A JP12103680 A JP 12103680A JP 12103680 A JP12103680 A JP 12103680A JP S5746088 A JPS5746088 A JP S5746088A
Authority
JP
Japan
Prior art keywords
stage
medium
intake
stage compressor
intermediate cooler
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
JP12103680A
Other languages
Japanese (ja)
Inventor
Yuji Omachi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12103680A priority Critical patent/JPS5746088A/en
Publication of JPS5746088A publication Critical patent/JPS5746088A/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
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0215—Arrangements therefor, e.g. bleed or 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/5826—Cooling at least part of the working fluid in a heat exchanger

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)

Abstract

PURPOSE: To prevent surge by controlling the open degrees of flow control valves disposed in respective bypass passages each parallel with an intermediate cooler in each compressing stage with the use of detected signals indicating condition of high- stage side intake fluid medium, thereby to control a ratio between each bypass flow rate and a flow rate of medium flowing through each intermediate cooler.
CONSTITUTION: When a fourth stage compressor 5 establishes a blow-off condition, the condition of intake fluid medium is detected by a fourth-stage intake fluid temperature detector 36, an intake pressure detector 33 and etc. signals of which are transmitted to a controller for controlling a rate of flows distributed to an intermediate coller 8 and a bypass flow passage 30. When a flow control valve 30a is opened at a suitable degree, a part of high pressure medium discharged from a third stage compressor 4 is distributed to both bypass passage 30 and intermediate cooler 8. The cooled medium from the intermediate cooler 8 and the high temperature medium from the bypass passage 30 reach at the intake side of the fourth stage compressor 4 and join together. Thereby, the intake volume of the fourth stage compressor 5 increases so as to enable safe operation outside the surging range of the compressor to be carried out.
COPYRIGHT: (C)1982,JPO&Japio
JP12103680A 1980-09-03 1980-09-03 Surge preventing device for multi-stage compressor Pending JPS5746088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12103680A JPS5746088A (en) 1980-09-03 1980-09-03 Surge preventing device for multi-stage compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12103680A JPS5746088A (en) 1980-09-03 1980-09-03 Surge preventing device for multi-stage compressor

Publications (1)

Publication Number Publication Date
JPS5746088A true JPS5746088A (en) 1982-03-16

Family

ID=14801225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12103680A Pending JPS5746088A (en) 1980-09-03 1980-09-03 Surge preventing device for multi-stage compressor

Country Status (1)

Country Link
JP (1) JPS5746088A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041596U (en) * 1983-08-31 1985-03-23 株式会社小松製作所 Engine-driven compressor surge prevention device
JPH01227900A (en) * 1988-03-08 1989-09-12 Hitachi Ltd Method and device for preventing surging in centrifugal compressor
EP2350458A1 (en) * 2008-11-24 2011-08-03 Siemens Aktiengesellschaft Method for operating a multistage compressor
WO2016148328A1 (en) * 2015-03-18 2016-09-22 한화테크윈 주식회사 Compressor system
JP2018514689A (en) * 2015-05-07 2018-06-07 ヌオーヴォ・ピニォーネ・テクノロジー・ソチエタ・レスポンサビリタ・リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｔｅｃｎｏｌｏｇｉｅ Ｓ．Ｒ．Ｌ． Method and apparatus for compressor system pressurization

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041596U (en) * 1983-08-31 1985-03-23 株式会社小松製作所 Engine-driven compressor surge prevention device
JPH01227900A (en) * 1988-03-08 1989-09-12 Hitachi Ltd Method and device for preventing surging in centrifugal compressor
EP2350458A1 (en) * 2008-11-24 2011-08-03 Siemens Aktiengesellschaft Method for operating a multistage compressor
US20110229303A1 (en) * 2008-11-24 2011-09-22 Georg Winkes Method for operating a multistage compressor
US8939704B2 (en) * 2008-11-24 2015-01-27 Siemens Aktiengesellschaft Method for operating a multistage compressor
WO2016148328A1 (en) * 2015-03-18 2016-09-22 한화테크윈 주식회사 Compressor system
KR20160112148A (en) * 2015-03-18 2016-09-28 한화테크윈 주식회사 Compressor system
JP2018514689A (en) * 2015-05-07 2018-06-07 ヌオーヴォ・ピニォーネ・テクノロジー・ソチエタ・レスポンサビリタ・リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｔｅｃｎｏｌｏｇｉｅ Ｓ．Ｒ．Ｌ． Method and apparatus for compressor system pressurization

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