JP2010031777A - 多段遠心圧縮機 - Google Patents
多段遠心圧縮機 Download PDFInfo
- Publication number
- JP2010031777A JP2010031777A JP2008195817A JP2008195817A JP2010031777A JP 2010031777 A JP2010031777 A JP 2010031777A JP 2008195817 A JP2008195817 A JP 2008195817A JP 2008195817 A JP2008195817 A JP 2008195817A JP 2010031777 A JP2010031777 A JP 2010031777A
- Authority
- JP
- Japan
- Prior art keywords
- stage
- compressor
- diffuser
- multistage centrifugal
- stages
- 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.)
- Granted
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
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- 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
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- 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
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/444—Bladed diffusers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】多段遠心圧縮機100では、同一回転軸4に多数の羽根車1が取付けられている。この圧縮機を構成する圧縮機段21〜25では、ディフューザに羽根付きディフューザ2または羽根無しディフューザ5が用いられている。羽根付きディフューザは、初段圧縮機段21から途中の圧縮機段23まで連続して用いられ、最終段の直前の圧縮機段24と最終段圧縮機段25には羽根無しディフューザ2が用いられている。羽根付きディフューザを有する圧縮機段で高効率を維持し、羽根無しディフューザを有する圧縮機段で作動範囲を確保する。
【選択図】図1
Description
Claims (6)
- 同一軸に多数の羽根車を取付けた多段遠心圧縮機において、最終段圧縮機段または最終段圧縮機段と最終段の直前の圧縮機段とは羽根無しディフューザを有し、その他の圧縮機段は羽根付きディフューザを有することを特徴とする多段遠心圧縮機。
- 前記羽根無しディフューザを有する圧縮機段が備える羽根車の出口羽根角度を、この羽根無しディフューザを有する圧縮機段の直前に配置される羽根付きディフューザを有する圧縮機段の対応する羽根車の出口羽根角度よりも小さくしたことを特徴とする請求項1に記載の多段遠心圧縮機。
- 最終段圧縮機段のディフューザの出口半径を、この最終段圧縮機段の直前の圧縮機段のディフューザの出口半径よりも大きくしたことを特徴とする請求項1または請求項2に記載の多段遠心圧縮機。
- 最終段圧縮機段が有する羽根無しディフューザの軸方向流路幅を出口近傍で狭めたことを特徴とする請求項3に記載の多段遠心圧縮機。
- 前記羽根付きディフューザを有する圧縮機段を、初段圧縮機段から連続して2段以上設けたことを特徴とする請求項1に記載の多段遠心圧縮機。
- 前記圧縮機段を3段以上備えたことを特徴とする請求項1ないし5のいずれかに記載の多段遠心圧縮機。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008195817A JP5104624B2 (ja) | 2008-07-30 | 2008-07-30 | 多段遠心圧縮機 |
EP09009337.8A EP2149709B1 (en) | 2008-07-30 | 2009-07-17 | Multistage centrifugal compressor |
US12/511,743 US8267644B2 (en) | 2008-07-30 | 2009-07-29 | Multistage centrifugal compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008195817A JP5104624B2 (ja) | 2008-07-30 | 2008-07-30 | 多段遠心圧縮機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010031777A true JP2010031777A (ja) | 2010-02-12 |
JP5104624B2 JP5104624B2 (ja) | 2012-12-19 |
Family
ID=40933712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008195817A Expired - Fee Related JP5104624B2 (ja) | 2008-07-30 | 2008-07-30 | 多段遠心圧縮機 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8267644B2 (ja) |
EP (1) | EP2149709B1 (ja) |
JP (1) | JP5104624B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015041174A1 (ja) | 2013-09-18 | 2015-03-26 | 三菱重工業株式会社 | 回転機械 |
JP2016540928A (ja) * | 2013-12-18 | 2016-12-28 | ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータNuovo Pignone S.R.L. | マルチセクション遠心圧縮機 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140064921A1 (en) * | 2012-08-31 | 2014-03-06 | Dresser Inc. | System and method to align variable diffuser vane with direction of flow of working fluid |
CN103557166B (zh) * | 2013-10-15 | 2016-06-08 | 沈阳斯特机械制造有限公司 | 一种多级离心式压缩机 |
ITCO20130067A1 (it) * | 2013-12-17 | 2015-06-18 | Nuovo Pignone Srl | Girante con elementi di protezione e compressore centrifugo |
CA3115879C (en) * | 2018-10-10 | 2022-04-26 | Liping Xu | Rotary device for conducting chemical reactions |
EP4036414A4 (en) * | 2019-09-26 | 2023-10-18 | Ebara Corporation | VERTICAL MULTI-STAGE PUMP |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08284892A (ja) * | 1995-04-10 | 1996-10-29 | Mitsubishi Heavy Ind Ltd | 遠心圧縮機のディフューザ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3927763A (en) * | 1970-12-15 | 1975-12-23 | Bbc Sulzer Turbomaschinen | Installation unit for a multistage radial compressor |
JPH0640951Y2 (ja) * | 1986-04-01 | 1994-10-26 | 三菱重工業株式会社 | 遠心圧縮機 |
CH678352A5 (ja) * | 1988-06-23 | 1991-08-30 | Sulzer Ag | |
JPH0646035B2 (ja) * | 1988-09-14 | 1994-06-15 | 株式会社日立製作所 | 多段遠心圧縮機 |
CH676487A5 (ja) * | 1988-10-19 | 1991-01-31 | Proizv Ob Nevsky Z Im V I | |
US6203275B1 (en) * | 1996-03-06 | 2001-03-20 | Hitachi, Ltd | Centrifugal compressor and diffuser for centrifugal compressor |
JP2006063895A (ja) | 2004-08-27 | 2006-03-09 | Mitsubishi Heavy Ind Ltd | 遠心圧縮機 |
-
2008
- 2008-07-30 JP JP2008195817A patent/JP5104624B2/ja not_active Expired - Fee Related
-
2009
- 2009-07-17 EP EP09009337.8A patent/EP2149709B1/en not_active Not-in-force
- 2009-07-29 US US12/511,743 patent/US8267644B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08284892A (ja) * | 1995-04-10 | 1996-10-29 | Mitsubishi Heavy Ind Ltd | 遠心圧縮機のディフューザ |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015041174A1 (ja) | 2013-09-18 | 2015-03-26 | 三菱重工業株式会社 | 回転機械 |
JP2015059493A (ja) * | 2013-09-18 | 2015-03-30 | 三菱重工業株式会社 | 回転機械 |
US10077778B2 (en) | 2013-09-18 | 2018-09-18 | Mitsubishi Heavy Industries Compressor Corporation | Multistage centrifugal compressor |
JP2016540928A (ja) * | 2013-12-18 | 2016-12-28 | ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータNuovo Pignone S.R.L. | マルチセクション遠心圧縮機 |
US10655627B2 (en) | 2013-12-18 | 2020-05-19 | Nuovo Pignone Srl | Multi-section centrifugal compressor |
Also Published As
Publication number | Publication date |
---|---|
US20100028141A1 (en) | 2010-02-04 |
EP2149709B1 (en) | 2014-12-31 |
EP2149709A3 (en) | 2011-10-12 |
JP5104624B2 (ja) | 2012-12-19 |
US8267644B2 (en) | 2012-09-18 |
EP2149709A2 (en) | 2010-02-03 |
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