JP4858209B2 - シール液自己投入式メカニカルシール用シール水装置 - Google Patents
シール液自己投入式メカニカルシール用シール水装置 Download PDFInfo
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- JP4858209B2 JP4858209B2 JP2007032969A JP2007032969A JP4858209B2 JP 4858209 B2 JP4858209 B2 JP 4858209B2 JP 2007032969 A JP2007032969 A JP 2007032969A JP 2007032969 A JP2007032969 A JP 2007032969A JP 4858209 B2 JP4858209 B2 JP 4858209B2
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- Prior art keywords
- seal
- water
- self
- pipe
- steam
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 99
- 239000007788 liquid Substances 0.000 claims description 47
- 238000007789 sealing Methods 0.000 claims description 46
- 239000012530 fluid Substances 0.000 description 12
- 238000007710 freezing Methods 0.000 description 10
- 230000008014 freezing Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 5
- 239000013505 freshwater Substances 0.000 description 5
- 230000002528 anti-freeze Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Mechanical Sealing (AREA)
Description
また、シール液自己投入式メカニカルシールは、ループ状配管内にシール液を充満させサーモサイフォンの原理を利用して循環させており、このようなサーモサイフォンの原理を利用した設備を寒冷地や冬季に使用する場合、凍結防止策として不凍液を使用することが一般的に考えられる。しかし、シール液自己投入式メカニカルシールでは、シール液を補充する都合上、不凍液の使用は現実的ではない。
2 機内側メカニカルシール
2A 機内側回転環
2B 機内側固定環
2C 機内側シール端面
2D 動圧溝
3 大気側メカニカルシール
3A 大気側回転環
3B 大気側固定環
3C 大気側シール端面
4 回転軸
5 ハウジング
6 供給口
7 排出口
8 ループ状配管
8A 冷却管
9 上側配管
10 エアーベント
11 逆止弁
12 配管
13 オープンタンク
14 主補給水供給口
15 排水口
16 フロート弁
17 凝縮水供給口
18 蒸気式トレース
19 蒸気管
20 保温材
21 温調蒸気トラップ
22 配管
DR 凝縮水
S 封液空間
ST 蒸気
W1 シール水
W2 補給用シール水
Claims (1)
- 機内側と大気側に2つのメカニカルシールが配設され、これらメカニカルシールの2箇所のシール端面間に封液空間が設けられ、回転軸とともに回転する機内側回転環のシール端面に設けられた動圧溝の作用により、機内側シール端面間にシール水を自己投入するシール液自己投入式メカニカルシールにおいて、該メカニカルシールにシール水を補給するシール水装置であって、
前記封液空間の外側のハウジングに設けられた供給口及び排出口に接続されたループ状配管と、
該ループ状配管に向かう方向を順方向とした逆止弁が取り付けられた配管を介して前記ループ状配管に接続され、前記メカニカルシールに対して前記自己投入されたシール水分のシール水を補給可能なヘッド圧を確保して設置され、補給用のシール水が貯水されたオープンタンクと、
前記ループ状配管を暖管する蒸気式トレースと、
該蒸気式トレースの蒸気管が接続された温調蒸気トラップとを備え、
該温調蒸気トラップから排出される凝縮水を前記オープンタンクに投入してなることを特徴とするシール液自己投入式メカニカルシール用シール水装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007032969A JP4858209B2 (ja) | 2007-02-14 | 2007-02-14 | シール液自己投入式メカニカルシール用シール水装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007032969A JP4858209B2 (ja) | 2007-02-14 | 2007-02-14 | シール液自己投入式メカニカルシール用シール水装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008196615A JP2008196615A (ja) | 2008-08-28 |
JP4858209B2 true JP4858209B2 (ja) | 2012-01-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007032969A Active JP4858209B2 (ja) | 2007-02-14 | 2007-02-14 | シール液自己投入式メカニカルシール用シール水装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4858209B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5615267B2 (ja) * | 2009-04-23 | 2014-10-29 | イーグル工業株式会社 | メカニカルシール装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6170278A (ja) * | 1984-09-12 | 1986-04-11 | Hitachi Ltd | メカニカルシ−ルの冷却装置 |
JP4537558B2 (ja) * | 2000-09-21 | 2010-09-01 | イーグル工業株式会社 | 軸封装置 |
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2007
- 2007-02-14 JP JP2007032969A patent/JP4858209B2/ja active Active
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Publication number | Publication date |
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JP2008196615A (ja) | 2008-08-28 |
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