GB1289442A - - Google Patents

Info

Publication number
GB1289442A
GB1289442A GB1289442DA GB1289442A GB 1289442 A GB1289442 A GB 1289442A GB 1289442D A GB1289442D A GB 1289442DA GB 1289442 A GB1289442 A GB 1289442A
Authority
GB
United Kingdom
Prior art keywords
oil
pressure
gas space
collector
chamber
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.)
Expired
Application number
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 filed Critical
Publication of GB1289442A publication Critical patent/GB1289442A/en
Expired legal-status Critical Current

Links

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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted for liquid pumps
    • F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/083—Units comprising pumps and their driving means the pump being electrically driven for submerged use and protected by a gas-bell
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
    • F04D7/065—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals for liquid metal
    • 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

1289442 Liquid seals HALBERGERHUTTE GmbH 15 Jan 1971 [6 March 1970] 2161/71 Heading F2B A device for sealing the drive shaft of a centrifugal pump (for circulating sodium in a nuclear reactor) comprises a cushion of protective gas in a gas space 3 above the surface of the liquid being delivered, an oil collector 4 in the gas space, a pair of slide ring packings 8, 9, a further slide ring packing 12, and two separate pressureoil circuits 13, 16 which admit oil to first and second oil chambers 7, 11 such that the oil pressure in the first chamber is greater than the pressure of the liquid being delivered but less than the oil pressure in the second chamber. Any oil leakage from the first chamber. passes into the oil collector which is provided with an internal portion forming a communicating gap 5 between the oil collector and the gas space below, the gap being 5 covered by an oil slinger 6. The oil in the oil chambers 7,11 is maintained at the required pressures by the heights of two oil reservoirs 13, 16, the gas spaces 15, 18 of which are maintained at the same pressure as that in the gas space 3. Leakage oil collected in the oil collector 4 is periodically returned to the oil reservoir 13 when the oil level reaches a pulse generator point 27 on a measuring probe 26; when the level is reached, a control member 36 controls operation of valves 29, 30, 31 which reduce the pressure in the gas space 15 to cause the oil in the oil collector to be drawn up into the oil reservoir 13 via pipe-lines 33 and 19. The oil in the chamber 7 is cooled by circulation through a cooler 22 by an impeller 10.
GB1289442D 1970-03-06 1971-01-15 Expired GB1289442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702010582 DE2010582C3 (en) 1970-03-06 1970-03-06 Seal for the essentially vertically arranged drive shaft of a centrifugal pump built into a pressure vessel

Publications (1)

Publication Number Publication Date
GB1289442A true GB1289442A (en) 1972-09-20

Family

ID=5764276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289442D Expired GB1289442A (en) 1970-03-06 1971-01-15

Country Status (7)

Country Link
BE (1) BE763034A (en)
CH (1) CH529307A (en)
DE (1) DE2010582C3 (en)
FR (1) FR2083921A5 (en)
GB (1) GB1289442A (en)
NL (1) NL7019037A (en)
SE (1) SE367464B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102767534A (en) * 2012-06-28 2012-11-07 福建省银象电器有限公司 Sealing device for motor output shaft of multistage submersible pump for high-water head well
CN104358689A (en) * 2014-11-03 2015-02-18 安徽淮化股份有限公司 Seal oil circulation method and seal oil circulation system
CN104514723B (en) * 2015-01-08 2016-08-17 大连深蓝泵业有限公司 Marine vertical deep-well liquid pump

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084540A4 (en) * 1981-07-17 1985-04-24 John Trevor Rice A motor-pump assembly.
CN106587432A (en) * 2016-12-20 2017-04-26 重庆科创水处理设备有限公司 Sewage treatment system
DE102022114408B3 (en) * 2022-06-08 2023-09-07 Voith Patent Gmbh System and method for supplying a lubricating point with lubricating oil

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102767534A (en) * 2012-06-28 2012-11-07 福建省银象电器有限公司 Sealing device for motor output shaft of multistage submersible pump for high-water head well
CN104358689A (en) * 2014-11-03 2015-02-18 安徽淮化股份有限公司 Seal oil circulation method and seal oil circulation system
CN104358689B (en) * 2014-11-03 2016-08-17 安徽淮化股份有限公司 A kind of Seal Oil round-robin method and Seal Oil blood circulation
CN104514723B (en) * 2015-01-08 2016-08-17 大连深蓝泵业有限公司 Marine vertical deep-well liquid pump

Also Published As

Publication number Publication date
FR2083921A5 (en) 1971-12-17
DE2010582B2 (en) 1974-12-12
DE2010582C3 (en) 1975-07-17
NL7019037A (en) 1971-09-08
DE2010582A1 (en) 1971-09-16
CH529307A (en) 1972-10-15
BE763034A (en) 1971-07-16
SE367464B (en) 1974-05-27

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee