ES2043581T1 - Dispositivo de seguridad para bomba primaria. - Google Patents
Dispositivo de seguridad para bomba primaria.Info
- Publication number
- ES2043581T1 ES2043581T1 ES93400075T ES93400075T ES2043581T1 ES 2043581 T1 ES2043581 T1 ES 2043581T1 ES 93400075 T ES93400075 T ES 93400075T ES 93400075 T ES93400075 T ES 93400075T ES 2043581 T1 ES2043581 T1 ES 2043581T1
- Authority
- ES
- Spain
- Prior art keywords
- piston
- pressure chamber
- external diameter
- safety device
- tree
- 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
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/04—Pumping arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
-
- 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/14—Shaft sealings operative only when pump is inoperative
- F04D29/146—Shaft sealings operative only when pump is inoperative especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/002—Sealings comprising at least two sealings in succession
- F16J15/008—Sealings comprising at least two sealings in succession with provision to put out of action at least one sealing; One sealing sealing only on standstill; Emergency or servicing sealings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/914—Backup seal for failure of primary seal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Details Of Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
DISPOSITIVO (8) DE SEGURIDAD EN CASO DE RUPTURA DE UNA DE LAS JUNTAS (5,6,7) QUE SEPARA LA CAMARA DE ALTA PRESION DE LA CAMARA DE BAJA PRESION (28) DEL FLUIDO EN LA BOMBA (1), COMPRENDIENDO DICHO DISPOSITIVO UN PISTON HUECO (10) QUE TIENE UNA PARTE SUPERIOR (12) DE DIAMETRO EXTERIOR D1 Y UNA PARTE INFERIOR (13) DE DIAMETRO EXTERIOR D3 SUPERIOR A D1, RODEANDO DICHO PISTON (10) COAXIALMENTE EL ARBOL (3) Y ESTANDO COLOCADO EN UNA CAMARA DISPUESTA (11) EN EL ALOJAMIENTO (4) DE LAS JUNTAS, COMPRENDIENDO DICHO DISPOSITIVO (8) MAS MEDIOS DE ACTIVACION QUE PERMITEN DESPLAZAR AXIALMENTE DICHO PISTON (10) CONTRA DICHO ARBOL (3) EN CASO DE RUPTURA DE UNA JUNTA (5,6,7), CARACTERIZADO EN QUE CORRIENTE ABAJO DEL PISTON (10) ESTAN DISPUESTAS DOS CAMARAS ANULARES, LA PRIMERA (19), CUYO DIAMETRO EXTERNO D2 ES SUPERIOR AL DIAMETRO D1, QUE ESTA EN COMUNICACION CON LA CAMARA DE BAJA PRESION (28).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9200783A FR2686658B1 (fr) | 1992-01-24 | 1992-01-24 | Dispositif de securite pour pompe primaire. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2043581T1 true ES2043581T1 (es) | 1994-01-01 |
ES2043581T3 ES2043581T3 (es) | 1996-07-16 |
Family
ID=9425958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES93400075T Expired - Lifetime ES2043581T3 (es) | 1992-01-24 | 1993-01-13 | Dispositivo de seguridad para bomba primaria. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5449180A (es) |
EP (1) | EP0553002B1 (es) |
JP (1) | JPH05306685A (es) |
KR (1) | KR100294358B1 (es) |
DE (2) | DE69302489T2 (es) |
ES (1) | ES2043581T3 (es) |
FR (1) | FR2686658B1 (es) |
TW (1) | TW234189B (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003287143A (ja) * | 2002-03-29 | 2003-10-10 | Mitsubishi Heavy Ind Ltd | 静圧シール及びこれを備えた冷却材ポンプ |
US20070235946A9 (en) * | 2004-05-28 | 2007-10-11 | Garrison Glenn M | Air riding seal |
WO2007047104A1 (en) * | 2005-10-11 | 2007-04-26 | Stein Seal Company | Shutdown seal for reactor coolant pump |
US7780399B1 (en) | 2006-01-12 | 2010-08-24 | Stein Seal Company | Reverse pressure double dam face seal |
US9394908B2 (en) | 2011-05-17 | 2016-07-19 | Bwxt Nuclear Energy, Inc. | Pressurized water reactor with upper vessel section providing both pressure and flow control |
US9985488B2 (en) | 2011-07-22 | 2018-05-29 | RWXT Nuclear Operations Group, Inc. | Environmentally robust electromagnets and electric motors employing same for use in nuclear reactors |
JP5848102B2 (ja) * | 2011-11-18 | 2016-01-27 | 三菱重工業株式会社 | 軸シール構造及び一次冷却材循環ポンプ |
US9576686B2 (en) | 2012-04-16 | 2017-02-21 | Bwxt Foreign Holdings, Llc | Reactor coolant pump system including turbo pumps supplied by a manifold plenum chamber |
JP6021674B2 (ja) | 2012-09-28 | 2016-11-09 | 三菱重工業株式会社 | 軸シール構造及び一次冷却材循環ポンプ |
CN110410355A (zh) * | 2019-08-26 | 2019-11-05 | 上海电气凯士比核电泵阀有限公司 | 一种联轴器停车密封装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL285078A (es) * | ||||
US2834619A (en) * | 1955-04-15 | 1958-05-13 | United Aircraft Corp | Fluid seal means for rotating shafts |
US3096985A (en) * | 1961-12-14 | 1963-07-09 | Worthington Corp | Empergency shaft sealing device |
DE1650056A1 (de) * | 1967-07-22 | 1970-08-13 | Klein Schanzlin & Becker Ag | Beruehrungsfreie Gleitringdichtung |
US3580587A (en) * | 1967-07-22 | 1971-05-25 | Klein Schanzlin & Becker Ag | Contact-free hydrostatic seal |
DE1809620B2 (de) * | 1968-11-19 | 1971-04-01 | Gleitringdichtung | |
US3679217A (en) * | 1970-10-27 | 1972-07-25 | Allis Chalmers Mfg Co | Automatic shutdown seal |
DE2253512A1 (de) * | 1972-10-28 | 1974-05-09 | Sealol | Dichtungsanordnung fuer das abdichten von schnell relativ zueinander sich bewegenden bauelementen bei erheblichen druckdifferenzen |
FR2474605A1 (fr) * | 1980-01-24 | 1981-07-31 | Jeumont Schneider | Dispositif de securite pour pompe |
GB8334146D0 (en) * | 1983-12-22 | 1984-02-01 | Lucas Ind Plc | Fuel pumps |
FR2568343B1 (fr) * | 1984-07-24 | 1988-11-04 | Technip Geoproduction | Methode et dispositif de maintien de l'etancheite entre pieces pouvant se deplacer l'une par rapport a l'autre |
DE3540369A1 (de) * | 1985-11-14 | 1986-05-07 | Albrecht Dipl.-Ing. 5060 Bergisch Gladbach Kayser | Gegenlaeufige gewindewellendichtung sowie beruehrungslose, trockene spaltdichtung mit selbsttaetiger minimalspalteinstellung |
US4722663A (en) * | 1986-02-04 | 1988-02-02 | Rotoflow Corporation | Seal-off mechanism for rotating turbine shaft |
US4848774A (en) * | 1987-08-31 | 1989-07-18 | Westinghouse Electric Corp. | Reactor coolant pump hydrostatic sealing assembly with externally pressurized hydraulic balance chamber |
-
1992
- 1992-01-24 FR FR9200783A patent/FR2686658B1/fr not_active Expired - Lifetime
-
1993
- 1993-01-13 EP EP93400075A patent/EP0553002B1/fr not_active Expired - Lifetime
- 1993-01-13 DE DE69302489T patent/DE69302489T2/de not_active Expired - Lifetime
- 1993-01-13 ES ES93400075T patent/ES2043581T3/es not_active Expired - Lifetime
- 1993-01-13 DE DE93400075T patent/DE553002T1/de active Pending
- 1993-01-16 TW TW082100256A patent/TW234189B/zh not_active IP Right Cessation
- 1993-01-21 KR KR1019930000789A patent/KR100294358B1/ko not_active IP Right Cessation
- 1993-01-21 US US08/006,634 patent/US5449180A/en not_active Expired - Lifetime
- 1993-01-25 JP JP5027118A patent/JPH05306685A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR930017046A (ko) | 1993-08-30 |
DE69302489T2 (de) | 1996-10-02 |
FR2686658A1 (fr) | 1993-07-30 |
JPH05306685A (ja) | 1993-11-19 |
FR2686658B1 (fr) | 1994-04-29 |
EP0553002B1 (fr) | 1996-05-08 |
DE69302489D1 (de) | 1996-06-13 |
EP0553002A1 (fr) | 1993-07-28 |
US5449180A (en) | 1995-09-12 |
ES2043581T3 (es) | 1996-07-16 |
TW234189B (es) | 1994-11-11 |
KR100294358B1 (ko) | 2001-09-17 |
DE553002T1 (de) | 1994-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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