JPS62258195A - Shaft sealing device for turbo compressor - Google Patents

Shaft sealing device for turbo compressor

Info

Publication number
JPS62258195A
JPS62258195A JP10093086A JP10093086A JPS62258195A JP S62258195 A JPS62258195 A JP S62258195A JP 10093086 A JP10093086 A JP 10093086A JP 10093086 A JP10093086 A JP 10093086A JP S62258195 A JPS62258195 A JP S62258195A
Authority
JP
Japan
Prior art keywords
shaft
gas
sealing
pressure
shaft sealing
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
JP10093086A
Other languages
Japanese (ja)
Inventor
Kazuo Takeda
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 JP10093086A priority Critical patent/JPS62258195A/en
Publication of JPS62258195A publication Critical patent/JPS62258195A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reduce a shaft driving force, by supplying shaft sealing has from a shaft sealing gas blowing-in line to both sealing chambers disposed at rotor units on both high and low pressure sides and introducing a part of the gas to a chamber communicating with a thrust balance disk.
CONSTITUTION: When a compressor 10 is in operation, blowing-in gas having a pressure substantially identical with that of a discharge pressure is blown into both sealing chambers 6, 61 from a shaft sealing gas blowing-in line 3 so that a shaft sealing pressure is kept at a high value. A part of the gas is supplied to a chamber communicating with a thrust balance disk on a suction side from a discharge pipe 12 for causing the thrust balance disk 101 to seal the shaft at a high pressure level. As a result, leakage to the suction side is reduced for thereby decreasing a shaft driving force.
COPYRIGHT: (C)1987,JPO&Japio
JP10093086A 1986-05-02 1986-05-02 Shaft sealing device for turbo compressor Pending JPS62258195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10093086A JPS62258195A (en) 1986-05-02 1986-05-02 Shaft sealing device for turbo compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10093086A JPS62258195A (en) 1986-05-02 1986-05-02 Shaft sealing device for turbo compressor

Publications (1)

Publication Number Publication Date
JPS62258195A true JPS62258195A (en) 1987-11-10

Family

ID=14287066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10093086A Pending JPS62258195A (en) 1986-05-02 1986-05-02 Shaft sealing device for turbo compressor

Country Status (1)

Country Link
JP (1) JPS62258195A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5312226A (en) * 1991-10-14 1994-05-17 Hitachi, Ltd. Turbo compressor and method of controlling the same
EP1418341A2 (en) * 2002-11-05 2004-05-12 Nuovo Pignone Holding S.P.A. Axial thrust balancing system for a centrifugal compressor, having improved safety characteristics
CN102400925A (en) * 2010-09-18 2012-04-04 湖北省风机厂有限公司 High pressure nitrogen circulating fan
WO2012018459A3 (en) * 2010-07-26 2012-04-12 Dresser-Rand Company Method and system for reducing seal gas consumption and settle-out pressure reduction in high-pressure compression systems
CN102878108A (en) * 2012-09-21 2013-01-16 西安陕鼓动力股份有限公司 Inlet air sealing device for axial air feeding type air compressor
CN105257583A (en) * 2015-11-02 2016-01-20 苏州市淞舜五金有限公司 Smooth bearing

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5312226A (en) * 1991-10-14 1994-05-17 Hitachi, Ltd. Turbo compressor and method of controlling the same
EP1418341A2 (en) * 2002-11-05 2004-05-12 Nuovo Pignone Holding S.P.A. Axial thrust balancing system for a centrifugal compressor, having improved safety characteristics
EP1418341A3 (en) * 2002-11-05 2005-09-28 Nuovo Pignone Holding S.P.A. Axial thrust balancing system for a centrifugal compressor, having improved safety characteristics
AU2003261473B2 (en) * 2002-11-05 2009-01-29 Nuovo Pignone Holding S.P.A. Axial thrust balancing system for a centrifugal compressor, having improved safety characteristics
WO2012018459A3 (en) * 2010-07-26 2012-04-12 Dresser-Rand Company Method and system for reducing seal gas consumption and settle-out pressure reduction in high-pressure compression systems
US8596954B2 (en) 2010-07-26 2013-12-03 Dresser-Rand Company Method and system for reducing seal gas consumption and settle-out pressure reduction in high-pressure compression systems
CN102400925A (en) * 2010-09-18 2012-04-04 湖北省风机厂有限公司 High pressure nitrogen circulating fan
CN102878108A (en) * 2012-09-21 2013-01-16 西安陕鼓动力股份有限公司 Inlet air sealing device for axial air feeding type air compressor
CN105257583A (en) * 2015-11-02 2016-01-20 苏州市淞舜五金有限公司 Smooth bearing

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