WO2009040037A1 - Hauptkühlmittelpumpe - Google Patents
Hauptkühlmittelpumpe Download PDFInfo
- Publication number
- WO2009040037A1 WO2009040037A1 PCT/EP2008/007747 EP2008007747W WO2009040037A1 WO 2009040037 A1 WO2009040037 A1 WO 2009040037A1 EP 2008007747 W EP2008007747 W EP 2008007747W WO 2009040037 A1 WO2009040037 A1 WO 2009040037A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- flange
- motor
- receptacles
- heads
- Prior art date
Links
- 239000002826 coolant Substances 0.000 title claims abstract description 16
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Definitions
- the invention relates to a motor pump unit, in particular main coolant pump, consisting of a housing of a centrifugal pump with För- arranged therein, a thermal lock part, a conveyor driving the motor part and force-transmitting connecting elements between a housing flange of the centrifugal pump housing and a flange of the motor part.
- main coolant pump consisting of a housing of a centrifugal pump with För- arranged therein, a thermal lock part, a conveyor driving the motor part and force-transmitting connecting elements between a housing flange of the centrifugal pump housing and a flange of the motor part.
- main coolant pumps consist of a pressure-resistant housing with integrated suction and discharge nozzles, which are welded tightly and tightly with pipes.
- the housing has a pressure-side opening for receiving an insertion part consisting of a conveying means in the form of a running and guiding device, as well as a heat-locking part and a motor part.
- the housing is closed by a pressure cover on the heat-insulating part, to which an electric drive motor is coupled, in order to reduce a heat flow from the hot pump part to a cool-to-be-held engine part.
- the cohesion of these parts cause tie rods, which are screwed into a flange of the housing and are passed through the heat-blocking part or past it.
- Such main coolant pumps are installed both vertically and horizontally in a power plant.
- a vertical arrangement preferably directly below a steam generator, allows a cost-effective production of this power plant part. And the arrangement below a steam generator significantly reduces the volume of construction in a power plant.
- a construction of the motor pump unit has proven to be advantageous in the case of maintenance or repair, the connection between the housing and motor part open and designed as a plug-in engine with the heat-blocking part and the rotating pump part as well as any installations of the housing as a unit is pulled out as the housing and removed for maintenance and inspection work.
- the invention is therefore based on the problem to develop for such a large main coolant pump a design that ensures a tight and reliable installation or disassembly in confined spaces for any inspection or repair purposes.
- the solution to this problem provides that the housing flange is provided on at least half the circumference with receptacles for the arrangement of therein held bayonet screw heads of the connecting means.
- screw heads are an integral part of acting as tie rods connecting means between centrifugal pump and motor.
- the connection can be opened by simply twisting the bayonet-like screw heads.
- These connecting means are then removed together with the insert from the motor pump unit.
- an axially pulled out of the housing insert can be easily lifted up or down or removed from the side. This solution avoids the accidental seizure of such compounds in improper mounting of the materials used in such main coolant pumps, usually duplex steels.
- Embodiments of the invention provide that the recordings are provided with position-locking surfaces, which hold the screw heads in a mounting position and thus ensure a secure reaching a mounting position. Unlocked screw heads can not be clamped.
- the recordings are worked into the housing flange by means of a machining directly, or they are designed as separate components and inserted into the flange.
- This type of training is dependent on available manufacturing facilities or male forces. It has proved to be advantageous for the rigidity of a housing flange that the receptacles are inserted from the motor side into the housing flange and held in position-secure therein.
- Separate components offer the advantage of accurate and level machining to ensure the simultaneous abutment of the wings of the two- or multi-part T heads in the axial direction.
- one or more securing means is or are arranged between mounted screw heads and the housing flange. These are designed so that the function of the securing means is guaranteed only with a correctly inserted screw head. Only when the wings of the screw heads and receptacles are completely contiguous, engage the securing means or can be attached. And it has proved to be advantageous if the screw heads are designed as at least two-winged T-heads. Thus, a maximum of bearing surfaces can be achieved with such a connection.
- a minimum of size can be achieved when arranged at two-leaf T-heads in the receptacles slots for the implementation of the T-heads are arranged tangentially to the flange circumference. And depending on the type and size of the forces to be transmitted as well as the available space in the housing flange of the pump, multi-leaf screw heads are used. With an uneven number of blades, the majority of the blades would then point to the axis of rotation of the motor pump unit.
- Fig. 1 is connected to a steam generator motor pump unit, the
- Fig. 2 shows a motor pump unit in section
- a motor pump unit 1 is shown, which is welded below a vertically mounted steam generator 2 hanging in associated connecting pipes of a coolant circuit.
- a primary circulating medium present in the steam generator 2 passes directly through a suction line 3 to the main coolant pump 1 and is further conveyed with the help of its pump impeller.
- All the pipes of the coolant circuit are welded to the housing 4, while a motor part 5 and a thermal lock part 6 are fastened in the manner of a push-in by connecting means 7 to a housing flange 8 on the housing 4 of the main coolant pump 1.
- Fig. 2 shows a section through such a main coolant pump.
- connecting means 7 in a simple manner from the housing flange 8 can be removed.
- a trained in the manner of a cartridge or insert, consisting of motor part 5, heat-blocking part 6 and impeller 10 pump insert is only up to the housing to pull out flange 8 of the housing 4.
- the complete pump insert can be lifted out by the liberated from the connecting means 7 area or swung out laterally.
- FIG. 3 shows in a section of a transparent view from below of a housing flange 8, in which a screw head 13 of a here formed as a T-head screw connecting means 7 is mounted. For better clarity, only three of a variety of fasteners to be mounted are used
- the receptacles 12 are arranged, which has a slot 14 for carrying out a corresponding T-head 15 of a designed as a T-head screw connecting means 7.
- Such receptacles 12 can be worked out within the solid and high-strength housing flange 8 in a known machined manner.
- receptacles 12 are each a free space 16. Its size is such that within a rotation of a screw head 13 or T-head 15 is possible. It is also possible to form the receptacles 12 as independent components, which are fastened in corresponding holders of the housing flange 8, for example, are screwed into corresponding threaded holes.
- a longitudinal axis of the slots 14, through which the T-heads 15 are passed arranged tangentially to the circumference of the housing flange.
- a longitudinal axis of the slots 14, through which the T-heads 15 are passed arranged tangentially to the circumference of the housing flange.
- the left of the total of three representations shows a T-head 15 prior to insertion into a receptacle 12.
- the diagram to the right shows a T-head 15, which passes completely through the slot 14 of the receptacle 12 and on a bottom surface 17 within the free space 16 is present. After a rotation of the T-head 15, here by 90 degrees, this lies with its contact surfaces secured against rotation in locking surfaces of the receptacle 12th
- a securing means 18 is inserted from the outside through a small bore in the housing flange 8 and secured therein.
- Such a securing means can only be mounted when each T-head 15 rests securely in the locking surfaces of its receptacle 12.
- the securing means is shown as a commercially available hexagon socket or Allen screw. Comparable funds can also be selected.
- FIG. 4 shows another view of a transparent representation according to FIG. 3, here a view from above onto the housing flange 8 and connecting means 7 to be mounted therein.
- the left-hand illustration shows a view of the receptacle 12 with latching surfaces 19 arranged therein and a T-head 15 located in front of the insertion.
- Detent means 20, shown here as strip-like elements, can be clearly seen. These locking means may also be formed as punctiform elevations or depressions. It has proven advantageous to integrate them into one of the components in order not to be lost during assembly or disassembly.
- the central T-head 15 is shown in the inserted state and adjacent to the bottom surface 17 of the free space 16 and before its rotation.
- the space 16 has an axial extent whose size allows a rotation of the T-head 15 above the locking means 20.
- the right T-head 15 is shown in a locked and secured state.
- the T-head is completely on the locking surfaces 19 and the locking means 20 prevent upon closure of the screw by tightening the - shown in Fig. 2 - nuts 9, that a connecting means 7 rotates.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200880108779.1A CN101802416B (zh) | 2007-09-20 | 2008-09-17 | 主冷却剂泵 |
JP2010525243A JP5425784B2 (ja) | 2007-09-20 | 2008-09-17 | 一次冷却材用ポンプ |
EP08802275.1A EP2188535B1 (de) | 2007-09-20 | 2008-09-17 | Hauptkühlmittelpumpe |
CA2698478A CA2698478C (en) | 2007-09-20 | 2008-09-17 | Main coolant pump |
KR1020107005873A KR101466569B1 (ko) | 2007-09-20 | 2008-09-17 | 주 냉각제 펌프 |
ZA2010/01470A ZA201001470B (en) | 2007-09-20 | 2010-03-01 | Main coolant pump |
US12/727,926 US8657591B2 (en) | 2007-09-20 | 2010-03-19 | Main coolant pump |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007045126.3 | 2007-09-20 | ||
DE102007045126A DE102007045126A1 (de) | 2007-09-20 | 2007-09-20 | Hauptkühlmittelpumpe |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/727,926 Continuation US8657591B2 (en) | 2007-09-20 | 2010-03-19 | Main coolant pump |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009040037A1 true WO2009040037A1 (de) | 2009-04-02 |
Family
ID=39951124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/007747 WO2009040037A1 (de) | 2007-09-20 | 2008-09-17 | Hauptkühlmittelpumpe |
Country Status (10)
Country | Link |
---|---|
US (1) | US8657591B2 (de) |
EP (1) | EP2188535B1 (de) |
JP (1) | JP5425784B2 (de) |
KR (1) | KR101466569B1 (de) |
CN (1) | CN101802416B (de) |
CA (1) | CA2698478C (de) |
DE (1) | DE102007045126A1 (de) |
RU (1) | RU2463485C2 (de) |
WO (1) | WO2009040037A1 (de) |
ZA (1) | ZA201001470B (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2447542A1 (de) * | 1973-10-05 | 1975-04-17 | Thomson Brandt | Motorpumpe fuer fluessigkeiten und verfahren zu ihrer herstellung |
GB2203491A (en) * | 1987-04-16 | 1988-10-19 | David William Pope | A pump |
GB2266749A (en) * | 1992-05-07 | 1993-11-10 | Falmer Investment Ltd | Centrifugal pumps |
EP1148248A2 (de) * | 2000-04-20 | 2001-10-24 | FHP Motors GmbH | Pumpengehäuse |
WO2007014620A1 (de) | 2005-07-29 | 2007-02-08 | Ksb Aktiengesellschaft | Elektromotor mit koaxial zugeordneter pumpe |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51143071U (de) * | 1975-05-10 | 1976-11-17 | ||
JPS5850255B2 (ja) | 1975-06-04 | 1983-11-09 | 古河電気工業株式会社 | ネツカソセイジユシハツポウタイノ セイゾウホウホウ |
US4084876A (en) * | 1975-10-15 | 1978-04-18 | Amp Incorporated | Electrical connector |
US4037980A (en) * | 1975-12-24 | 1977-07-26 | Haentjens Walter D | Pump coupling |
US4084924A (en) * | 1977-02-25 | 1978-04-18 | Alexander Ivanoff | Pump-motor assemblage for circulating a coolant |
US4283645A (en) * | 1978-10-06 | 1981-08-11 | Hofmann Kurt H | Electrical drive motor, in particular for water pumps in the field of aquaria |
US4362413A (en) * | 1979-12-10 | 1982-12-07 | Exxon Production Research Co. | Retrievable connector assembly |
DE3524515A1 (de) * | 1985-07-09 | 1987-01-15 | Thyssen Plastik Anger Kg | Wasserpumpe oder dergl. |
US4757786A (en) * | 1985-10-24 | 1988-07-19 | Ellegard Sidney W | Releasable engine coupling arrangement |
US4880364A (en) * | 1987-06-19 | 1989-11-14 | Shop-Vac Corporation | Portable electric blower |
JPH01147577U (de) * | 1988-04-01 | 1989-10-12 | ||
US4898518A (en) * | 1988-08-31 | 1990-02-06 | Minnesota Mining & Manufacturing Company | Shaft driven disposable centrifugal pump |
JPH0386734U (de) * | 1989-12-21 | 1991-09-03 | ||
US5482432A (en) * | 1990-07-09 | 1996-01-09 | Deco-Grand, Inc. | Bearingless automotive coolant pump with in-line drive |
CA2086115C (en) * | 1990-07-09 | 1999-10-12 | Joseph Paliwoda | Electric drive water pump |
JPH0563411U (ja) * | 1992-02-10 | 1993-08-24 | 鐘紡株式会社 | 吊り下げ用芳香剤 |
US5597260A (en) * | 1993-11-19 | 1997-01-28 | G.E.T. Australia Pty Ltd. | Pin retention system |
US5549459A (en) * | 1993-12-30 | 1996-08-27 | Westinghouse Electric Corporation | Radial bearing assembly for a high intertia flywheel of a canned motor pump |
US5404614A (en) * | 1994-01-06 | 1995-04-11 | Royal Appliance Mfg. Co. | Latch assembly for blower of wet/dry vacuum cleaner |
US5538406A (en) * | 1994-03-02 | 1996-07-23 | Johnson Pumps Of America, Inc. | Removable cartridge-type pump for live well bait tanks in sport fishing boats |
DE19707373C1 (de) * | 1997-02-25 | 1998-02-05 | Storz Karl Gmbh & Co | Bajonettkupplung zum lösbaren Verbinden zweier Rohrschaftinstrumente oder -instrumententeile |
US5971704A (en) * | 1997-04-23 | 1999-10-26 | Toyo Pumps North America Corporation | Device for adjusting the running clearance of an impeller |
US6755157B1 (en) * | 1999-10-29 | 2004-06-29 | Robert Bosch Corporation | Mount for connecting automotive fan motor to housing |
JP2001330153A (ja) * | 2000-05-19 | 2001-11-30 | Mitsubishi Electric Corp | 真空装置 |
RU2211957C2 (ru) * | 2001-10-24 | 2003-09-10 | Общество с ограниченной ответственностью "Борец" | Погружной многосекционный насосный агрегат |
DE10204459A1 (de) * | 2002-02-05 | 2003-08-07 | Bosch Gmbh Robert | Flüssigkeitspumpe |
ATE329139T1 (de) * | 2002-08-16 | 2006-06-15 | Siemens Ag | Befestigungssystem |
FR2846383B1 (fr) * | 2002-10-25 | 2005-07-08 | Financ Piscine Equipement | Pompe electrique pour l'entretien des piscines |
US8079833B2 (en) * | 2005-07-29 | 2011-12-20 | Ksb Aktiengesellschaft | Electric motor having a coaxially associated pump |
-
2007
- 2007-09-20 DE DE102007045126A patent/DE102007045126A1/de not_active Withdrawn
-
2008
- 2008-09-17 KR KR1020107005873A patent/KR101466569B1/ko not_active IP Right Cessation
- 2008-09-17 EP EP08802275.1A patent/EP2188535B1/de not_active Not-in-force
- 2008-09-17 JP JP2010525243A patent/JP5425784B2/ja not_active Expired - Fee Related
- 2008-09-17 RU RU2010110427/06A patent/RU2463485C2/ru not_active IP Right Cessation
- 2008-09-17 CN CN200880108779.1A patent/CN101802416B/zh not_active Expired - Fee Related
- 2008-09-17 CA CA2698478A patent/CA2698478C/en not_active Expired - Fee Related
- 2008-09-17 WO PCT/EP2008/007747 patent/WO2009040037A1/de active Application Filing
-
2010
- 2010-03-01 ZA ZA2010/01470A patent/ZA201001470B/en unknown
- 2010-03-19 US US12/727,926 patent/US8657591B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2447542A1 (de) * | 1973-10-05 | 1975-04-17 | Thomson Brandt | Motorpumpe fuer fluessigkeiten und verfahren zu ihrer herstellung |
GB2203491A (en) * | 1987-04-16 | 1988-10-19 | David William Pope | A pump |
GB2266749A (en) * | 1992-05-07 | 1993-11-10 | Falmer Investment Ltd | Centrifugal pumps |
EP1148248A2 (de) * | 2000-04-20 | 2001-10-24 | FHP Motors GmbH | Pumpengehäuse |
WO2007014620A1 (de) | 2005-07-29 | 2007-02-08 | Ksb Aktiengesellschaft | Elektromotor mit koaxial zugeordneter pumpe |
Also Published As
Publication number | Publication date |
---|---|
EP2188535A1 (de) | 2010-05-26 |
DE102007045126A1 (de) | 2009-04-02 |
JP5425784B2 (ja) | 2014-02-26 |
CN101802416B (zh) | 2013-03-13 |
RU2010110427A (ru) | 2011-10-27 |
JP2010539382A (ja) | 2010-12-16 |
CA2698478A1 (en) | 2009-04-02 |
US20100221127A1 (en) | 2010-09-02 |
CN101802416A (zh) | 2010-08-11 |
ZA201001470B (en) | 2010-11-24 |
US8657591B2 (en) | 2014-02-25 |
KR101466569B1 (ko) | 2014-11-28 |
EP2188535B1 (de) | 2016-07-20 |
KR20100068395A (ko) | 2010-06-23 |
CA2698478C (en) | 2015-04-14 |
RU2463485C2 (ru) | 2012-10-10 |
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