JP2012189009A - 水噴射式スクリュ流体機械 - Google Patents
水噴射式スクリュ流体機械 Download PDFInfo
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- JP2012189009A JP2012189009A JP2011053794A JP2011053794A JP2012189009A JP 2012189009 A JP2012189009 A JP 2012189009A JP 2011053794 A JP2011053794 A JP 2011053794A JP 2011053794 A JP2011053794 A JP 2011053794A JP 2012189009 A JP2012189009 A JP 2012189009A
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- Prior art keywords
- pressure
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- pressurized
- target gas
- seal
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
- F01C1/14—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F01C1/16—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C19/00—Sealing arrangements in rotary-piston machines or engines
- F01C19/005—Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C19/00—Sealing arrangements in rotary-piston machines or engines
- F01C19/12—Sealing arrangements in rotary-piston machines or engines for other than working fluid
- F01C19/125—Shaft sealings specially adapted for rotary or oscillating-piston machines or engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/001—Injection of a fluid in the working chamber for sealing, cooling and lubricating
- F01C21/002—Injection of a fluid in the working chamber for sealing, cooling and lubricating with control systems for the injection of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/28—Safety arrangements; Monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/02—Liquid sealing for high-vacuum pumps or for compressors
Abstract
【解決手段】スクリュ流体機械1は、ロータ室3とロータ軸7の高圧側の軸受11との間に、ロータ室3側から順に、第1非接触シール16、第2非接触シール17およびリップシール18が設けられ、第1非接触シール16と第2非接触シール17との間に形成される加圧空間20に、高圧の対象気体を導入する加圧連通路24と、加圧空間20の圧力P1を検出する加圧圧力検出器32と、加圧圧力検出器32の検出値P1が予め設定した加圧圧力範囲から外れたときに警報を発する警報装置33とを備える。
【選択図】図1
Description
2…ケーシング
3…ロータ室
4…スクリュロータ
5…吸込流路(低圧流路)
6…吐出流路
7…ロータ軸
11…玉軸受
15…隔壁部
16,39…第1非接触シール
17,40…第2非接触シール
13,18…リップシール
19…流出空間
20,41…加圧空間
21,42…開放空間
22…低圧空間
23…低圧連通路
24,43…加圧連通路
25,26,44…開放連通路
27…水分離回収器
30…減圧弁(減圧手段)
32…加圧圧力検出器
35…警報装置
37…低圧圧力検出器
38…導圧路
46,47…オリフィス
Claims (3)
- ケーシングに形成したロータ室内に収容された雌雄咬合するスクリュロータにより対象気体を圧縮または前記対象気体の膨張力を回転力に変換し、内部に水を噴射して前記スクリュロータの潤滑を行う水噴射式スクリュ流体機械において、
前記ロータ室と前記スクリュロータのロータ軸の軸受との間に、前記ロータ室側から順に、第1非接触シール、第2非接触シールおよびリップシールが設けられ、
前記第1非接触シールと前記第2非接触シールとの間に形成される加圧空間に、高圧の前記対象気体を導入する加圧連通路と、
前記加圧空間または前記加圧連通路の圧力を検出する加圧圧力検出器と、
前記加圧圧力検出器の検出値が予め設定した加圧圧力範囲から外れたときに警報を発する警報装置とを備えることを特徴とするスクリュ流体機械。 - 前記水噴射式スクリュ流体機械は、前記対象気体を圧縮する水噴射式スクリュ圧縮機であり、
吐出した前記対象気体から前記水を分離する水回収器を有し、
前記加圧連通路に、前記水回収器において前記水を分離した前記対象気体を減圧手段を介して供給することを特徴とする請求項1に記載のスクリュ流体機械。 - 前記軸受が高圧側の軸受であって、
前記第1非接触シールの前記ロータ室側に形成される流出空間を、前記ロータ室内の低圧空間または前記ロータ室に連通する前記対象気体の低圧流路に連通させる低圧連通路と、
前記流出空間、前記低圧連通路或いは前記低圧空間が連通する前記低圧空間または前記低圧流路の圧力を検出する低圧圧力検出器とをさらに備え、
前記警報装置は、前記加圧圧力検出器の検出値と前記低圧圧力検出器の検出値との差圧が予め設定した差圧範囲から外れたときにも警報を発することを特徴とする請求項1または2に記載のスクリュ流体機械。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011053794A JP5698039B2 (ja) | 2011-03-11 | 2011-03-11 | 水噴射式スクリュ圧縮機 |
US13/398,097 US8556606B2 (en) | 2011-03-11 | 2012-02-16 | Water injection type screw fluid machine |
TW101105621A TWI510714B (zh) | 2011-03-11 | 2012-02-21 | 水噴射式螺旋流體機械 |
KR1020120024347A KR101376000B1 (ko) | 2011-03-11 | 2012-03-09 | 물 분사식 스크류 유체 기계 |
CN201210060935.XA CN102678561B (zh) | 2011-03-11 | 2012-03-09 | 喷水式螺杆流体机械 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011053794A JP5698039B2 (ja) | 2011-03-11 | 2011-03-11 | 水噴射式スクリュ圧縮機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012189009A true JP2012189009A (ja) | 2012-10-04 |
JP5698039B2 JP5698039B2 (ja) | 2015-04-08 |
Family
ID=46795751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011053794A Active JP5698039B2 (ja) | 2011-03-11 | 2011-03-11 | 水噴射式スクリュ圧縮機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8556606B2 (ja) |
JP (1) | JP5698039B2 (ja) |
KR (1) | KR101376000B1 (ja) |
CN (1) | CN102678561B (ja) |
TW (1) | TWI510714B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI720860B (zh) * | 2020-03-30 | 2021-03-01 | 復盛股份有限公司 | 螺旋壓縮機之軸密封及回油機構 |
WO2022172885A1 (ja) * | 2021-02-12 | 2022-08-18 | 三菱重工エンジン&ターボチャージャ株式会社 | 電動遠心圧縮機 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5714945B2 (ja) * | 2010-12-27 | 2015-05-07 | 株式会社神戸製鋼所 | 水噴射式スクリュ圧縮機 |
JP5698039B2 (ja) * | 2011-03-11 | 2015-04-08 | 株式会社神戸製鋼所 | 水噴射式スクリュ圧縮機 |
CA2912699C (en) * | 2013-05-17 | 2021-05-25 | Victor Juchymenko | Methods and systems for sealing rotating equipment such as expanders or compressors |
US9394903B2 (en) * | 2013-12-13 | 2016-07-19 | Imo Industries, Inc. | Dual mechanical seal with embedded bearing for volatile fluids |
US9803639B2 (en) | 2014-12-19 | 2017-10-31 | Ghh-Rand Schraubenkompressoren Gmbh | Sectional sealing system for rotary screw compressor |
BE1024383B1 (nl) * | 2016-02-23 | 2018-02-12 | Atlas Copco Airpower Naamloze Vennootschap | Gasexpansie-inrichting en werkwijze voor het expanderen van gas |
US10451061B2 (en) | 2016-05-06 | 2019-10-22 | Ingersoll-Rand Company | Compressor having non-contact and contact seals |
DE202016003924U1 (de) * | 2016-06-24 | 2017-09-27 | Vacuubrand Gmbh + Co Kg | Vakuumpumpe mit Sperrgaszufuhr |
GB201614971D0 (en) * | 2016-09-02 | 2016-10-19 | Lontra Ltd | Rotary piston and cylinder device |
JP6815911B2 (ja) * | 2017-03-22 | 2021-01-20 | 株式会社神戸製鋼所 | 熱エネルギー回収装置 |
EP3877652A1 (en) * | 2018-11-08 | 2021-09-15 | Elgi Equipments Ltd. | Oil-free water-injected screw air compressor |
CN109595169B (zh) * | 2019-01-14 | 2019-12-13 | 冰轮环境技术股份有限公司 | 无油螺杆压缩机密封机构及控制方法 |
EP4023860B1 (en) * | 2021-01-04 | 2023-08-23 | Volvo Car Corporation | Expander system |
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JP2009287413A (ja) * | 2008-05-27 | 2009-12-10 | Kobe Steel Ltd | スクリュ流体機械 |
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2011
- 2011-03-11 JP JP2011053794A patent/JP5698039B2/ja active Active
-
2012
- 2012-02-16 US US13/398,097 patent/US8556606B2/en active Active
- 2012-02-21 TW TW101105621A patent/TWI510714B/zh active
- 2012-03-09 CN CN201210060935.XA patent/CN102678561B/zh active Active
- 2012-03-09 KR KR1020120024347A patent/KR101376000B1/ko active IP Right Grant
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TWI720860B (zh) * | 2020-03-30 | 2021-03-01 | 復盛股份有限公司 | 螺旋壓縮機之軸密封及回油機構 |
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Also Published As
Publication number | Publication date |
---|---|
KR101376000B1 (ko) | 2014-03-19 |
TWI510714B (zh) | 2015-12-01 |
US8556606B2 (en) | 2013-10-15 |
CN102678561A (zh) | 2012-09-19 |
TW201303161A (zh) | 2013-01-16 |
US20120230857A1 (en) | 2012-09-13 |
KR20120104108A (ko) | 2012-09-20 |
CN102678561B (zh) | 2015-06-17 |
JP5698039B2 (ja) | 2015-04-08 |
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