CN109114011A - A kind of reactor coolant pump hydraulic model integrated experiment device - Google Patents
A kind of reactor coolant pump hydraulic model integrated experiment device Download PDFInfo
- Publication number
- CN109114011A CN109114011A CN201810739312.2A CN201810739312A CN109114011A CN 109114011 A CN109114011 A CN 109114011A CN 201810739312 A CN201810739312 A CN 201810739312A CN 109114011 A CN109114011 A CN 109114011A
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- CN
- China
- Prior art keywords
- pump
- bearing
- oil lubrication
- reactor coolant
- hydraulic model
- 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.)
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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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
-
- 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
Abstract
The present invention provides a kind of reactor coolant pump hydraulic model integrated experiment devices, including suction lead, impeller, guide vane, the pump housing, pump cover, mechanical seal, water lubriucated bearing, oil lubrication annular bearing with rolling contact, radial force test suite, packing seal, the support of bearing, axial force testing component, oil lubrication bidirectional propulsion sliding bearing, oil lubrication bush(ing) bearing, bearing body and pump shaft.A kind of reactor coolant pump hydraulic model integrated experiment device provided by the invention, not only can be carried out reactor coolant pump hydraulic model hydraulic performance test, cavitation experiment, omnicharacteristic test and axial force and radial force test, other disturbing factors when axial force and radial force test can also be eliminated, the precision of test is improved.
Description
Technical field
The present invention relates to rotary pump hydraulic model test engineering device technique field, in particular to a kind of reactor coolant
Pump hydraulic model integrated experiment device.
Background technique
According to hydrodynamics similarity criterion, hydraulic model and archetypal pump have similar liquid flow movement characteristic, work as archetypal pump
When cannot directly be tested, often by the motion conditions of fluid in research small scale hydraulic model, archetypal pump is obtained
Hydraulic performance, this just needs to design reasonable hydraulic model test device and realizes the test data needed.
The requirement of pilot project needed for hydraulic model test device need to meet archetypal pump, current pilot project usually require
Hydraulic performance (including flow, lift, efficiency, revolving speed and power etc.) and net positive suction head etc. are tested, and reactor coolant pump is not
It only needs to test hydraulic performance and net positive suction head, it is also necessary to test omnicharacteristic performance (four-quadrant test), axial force and radial force
Etc. pilot projects.
The omnicharacteristic performance of waterpower is indispensable original based on hydraulic performance in external characteristics theoretical calculation circuit system
One of data, waterpower complete characteristic curve are to carry out pump loop system waterpower analysis of the transition process, safety precautions research and return
The important technology foundation of road water system optimization design.Waterpower omnicharacteristic experimental condition is sufficiently complex, and available data is considerably less,
Water pump axial force and radial force measuring accuracy be not high, and test method is also perfect not to the utmost, it is therefore desirable to more reasonable test structure with
Meet testing requirement.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind can accurately test hydraulic performance, net positive suction head, Quan Te
The reactor coolant pump hydraulic model integrated experiment device of property performance, axial force and radial force.
In order to solve the above technical problems, the present invention provides a kind of reactor coolant pump hydraulic model compbined test dresses
It sets, including the vertical pump housing, the pump cover to form enclosure space is connect with the pump housing, the support of bearing above pump cover is set, and perpendicular
Pump shaft on the support of bearing is directly set, and oil lubrication bush(ing) bearing and oil lubrication is respectively set in the upper and lower end of the pump shaft
Annular bearing with rolling contact axially props up pump shaft pump shaft radial support, the pump shaft upper end setting oil lubrication bidirectional propulsion sliding bearing
Support, the oil lubrication bidirectional propulsion sliding bearing and oil lubrication bush(ing) bearing are arranged in bearing body, and the bearing body connects
It connects on the support of bearing, the oil lubrication annular bearing with rolling contact is connected to support of bearing side, and the tail portion setting of the pump shaft exists
Pump body is connect with intracorporal impeller is pumped, and is sealed between the pump cover and pump shaft by the mechanical seal being connected on pump cover,
Setting water lubriucated bearing carrying pump shaft, setting packing seal are close to carrying out between pump cover and pump shaft on pump shaft above the pump cover
Radial force test suite, the oil lubrication bidirectional propulsion is arranged in envelope between the oil lubrication annular bearing with rolling contact and the support of bearing
Axial force testing component is respectively set in sliding bearing upper and lower ends.
Further, the pump housing is spherical extrusion cell structure, and the import of the pump housing is arranged in pump housing lower part, the pump
The outlet of body is arranged in pump housing side.
Further, guide vane and suction lead are additionally provided in the pump housing, the guide vane is connect with the pump cover, described
Suction lead is arranged on the inside of the pump housing import and is fixedly connected on the pump housing import inner wall.
Further, the impeller is fixedly connected on the pump shaft tail end by nut and key.
Further, the impeller is single-stage impeller.
Further, the oil lubrication bush(ing) bearing is integrated in inside the oil lubrication bidirectional propulsion sliding bearing.
A kind of reactor coolant pump hydraulic model integrated experiment device provided by the invention uses oil lubrication Bidirectional pulling
Power sliding bearing carries the axial force of pump shaft, can eliminate the axial force generated by bearing, keeps shafting operating more steady；It is pushing away
Power sliding bearing upper and lower ends setting axial-force testing device, it can be achieved that upper and lower two directions axial force testing；And it adopts
Pump shaft and pump cover are sealed with water lubriucated bearing carrying pump shaft, with packing seal, the axis of mechanical seal generation can be eliminated
It is influenced caused by hydraulic model axial force testing to sealing force.Meanwhile the present invention is comprehensive using the hydraulic model of vertical structure
Experimental rig can not only eliminate the influence generated by the frictional force that pump shaft self weight generates to waterpower axial force testing, additionally it is possible to
Eliminating influences caused by being tested as impeller and pump shaft weight radial force.In addition, reactor coolant pump water provided by the invention
Power model integrated experiment device, in addition to pump shaft is as fulcrum and tested impeller outer, shaft floating support is not present in other positions
The small―gap suture design that effect is formed, so as to effectively eliminate the influence generated by other floating supports to radial force test.Most
Afterwards, reactor coolant pump hydraulic model integrated experiment device provided by the invention, has cured the pump housing of hydraulic model, by more
Model impeller, guide vane and the suction lead for changing different parameters reactor coolant pump, may be implemented different hydraulic models
The testing experiment of hydraulic performance, cavitation, omnicharacteristic performance, axial force, radial force etc., has hydraulic model integrated experiment device
Versatility, use scope are more extensive.
Detailed description of the invention
Fig. 1 is the structural representation of reactor coolant pump hydraulic model integrated experiment device provided in an embodiment of the present invention
Figure.
Specific embodiment
Referring to Fig. 1, a kind of reactor coolant pump hydraulic model integrated experiment device provided in an embodiment of the present invention, including
Suction lead 1, impeller 2, guide vane 3, the pump housing 4, pump cover 5, mechanical seal 6, water lubriucated bearing 7, oil lubrication annular bearing with rolling contact 8,
Radial force test suite 9, packing seal 10, the support of bearing 11, axial force testing component 12, oil lubrication bidirectional propulsion sliding bearing
13, oil lubrication bush(ing) bearing 14, bearing body 15 and pump shaft 16.The pump housing 4 is vertical spherical extrusion cell structure, and import is set
Set in 4 lower part of the pump housing, outlet setting in 4 side of the pump housing, the pump housing 4 and pump cover 5 be formed together enclosure space by impeller 2, guide vane 3 and
Suction lead 1 is included among the pump housing 4.Impeller 2 is single-stage impeller, is mounted on 16 lower end of pump shaft, and with nut and key and pump shaft 4
It is fixedly connected, guide vane 3 is mounted on 5 lower end of pump cover by bolt, and suction lead 1 is mounted on the import inner wall of the pump housing 4 by bolt
On, the connection of impeller 2 and pump shaft 16, the connection of guide vane 3 and pump cover 5 and the connection of suction lead 1 and the pump housing 4 are all detachable
Connection, is convenient for changing the impeller 2, guide vane 3 and suction lead 1 of the hydraulic model of different parameters, to adapt to the reaction of different model
Reactor coolant pumps the testing experiment of hydraulic performance, cavitation, omnicharacteristic performance, axial force, radial force of hydraulic model etc., makes waterpower
Model integrated experiment device has versatility, and use scope is more extensive.The support of bearing 11 is mounted on 5 top of pump cover, the support of bearing
11 tops are connect with bearing body 15.Oil lubrication bidirectional propulsion sliding bearing 13 and oil lubrication bush(ing) bearing 14 are mounted on bearing
In body 15, oil lubrication bush(ing) bearing 14 is integrated in inside oil lubrication bidirectional propulsion sliding bearing 13.Pump shaft 16 is vertically-mounted
On the support of bearing 11,16 upper end of pump shaft carries out axial carrying by oil lubrication bidirectional propulsion sliding bearing 13 and passes through glossy
Sliding bush(ing) bearing 14 carries out radial support, and 16 lower part of pump shaft carries out radial support, oil by oil lubrication annular bearing with rolling contact 8
Lubrication annular bearing with rolling contact 8 is fixedly mounted on the support of bearing 11.Mechanical seal 6 is mounted on pump cover 5, for pump shaft 16 and pump
Between lid 5 sealing.When carrying out axial force testing, 16 lower end of pump shaft also installs water lubriucated bearing 7 and is carrying out axis to pump shaft 16
To when carrying, the packing seal 10 of 16 lower part of pump shaft installation further seals pump shaft 16 and pump cover 5, water lubriucated bearing 7
It is sequentially arranged on pump cover 5 with packing seal 10,16 lower end of pump shaft setting water lubriucated bearing 7 can be used for disappearing with packing seal 10
Except other axial forces.The upper and lower ends of oil lubrication bidirectional propulsion sliding bearing 13 install axial force test suite 12 respectively, carry out
When axial force testing, axial force testing component 12 is located at the upper and lower ends of oil lubrication bidirectional propulsion sliding bearing 13, is used to support
Oil lubrication bidirectional propulsion sliding bearing 13, and then test out axle-system axial power.Oil lubrication annular bearing with rolling contact 8 and the support of bearing 11
Between radial force test suite 9 is set, when carrying out radial force test, the inner ring of radial force test suite 9 and oil lubrication are radially rolled
Dynamic bearing 8 connects, and the outer ring of radial force test suite 9 is connect with the support of bearing 11, for testing the radial force of pump shaft 16.
A kind of reactor coolant pump hydraulic model integrated experiment device provided in an embodiment of the present invention, the course of work and
Its working principles are as follows:
Liquid stream is flowed by 4 import of the pump housing, enters impeller 2 from 1 transition of suction lead, is rotated by 16 impeller 2 of pump shaft
Pressurization makes liquid stream be transported to guide vane 3, and liquid stream is spread by guide vane 3 and drains the volute casing for entering the pump housing 4, finally by the pump housing 4
Outlet spues.Pump shaft 16 by 16 upper end of pump shaft oil lubrication bush(ing) bearing 14 and 16 lower end of pump shaft water lubriucated bearing 7 (or
Oil lubrication bush(ing) bearing 14 and oil lubrication annular bearing with rolling contact 8) radial support is carried out, pump shaft 16 passes through oil lubrication Bidirectional pulling
Power sliding bearing 13 carries out axially position.It is sealed between pump shaft 16 and pump cover 5 by mechanical seal 6 (or packing seal 10).
Radial force does not install water lubriucated bearing 7 and packing seal 10 when testing, and the test of radial force is radially slided with upper end oil lubrication
Bearing 14 is used as fulcrum, and the support force of torque and lower end oil lubrication annular bearing with rolling contact 8 that the radial force at impeller 2 is formed is formed
Torque it is equal, by measurement lower end oil lubrication annular bearing with rolling contact 8 at power can obtain the radial force at impeller 2.Due to pump
Mechanical seal 6 between axis 16 and pump cover 5 is to be axially formed liquid film gap using end face seal, and use in radial direction
No radial clearance design, while it being also not provided with radial clearance in other positions, therefore radially will not generate floating support, it can
The radial support power factor for eliminating other positions ensure that the accuracy of radial force test.Uneasiness charge of oil moistens when axial force testing
Sliding rolling bearing 8 and mechanical seal 6, the test of axial force are the axial force and oil lubrication bidirectional propulsion sliding axle that impeller 2 generates
The support force for holding 13 constitutes a pair of of reaction force, and the stress of oil lubrication bidirectional propulsion sliding bearing 13 is eventually transferred to axial force survey
Axial force testing is carried out on examination component 12.16 upper end of pump shaft be arranged oil lubrication bush(ing) bearing 14, lower end water lubriucated bearing 7 with
10 structure of packing seal, pump shaft 16 will not generate axial support, and axial force testing component 12 can directly test the axial direction of impeller 2
Power, it is ensured that the accuracy of axial force testing.
A kind of reactor coolant pump hydraulic model integrated experiment device provided by the invention, it is cold not only to can be carried out reactor
But the hydraulic performance test of agent pump hydraulic model, cavitation experiment, omnicharacteristic test and axial force and radial force test, moreover it is possible to
Other disturbing factors when axial force and radial force test are eliminated, measuring accuracy is improved, designs and mention for reactor coolant pump
Accurate design input data has been supplied, the design structure of reactor coolant pump is optimized.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (6)
1. a kind of reactor coolant pump hydraulic model integrated experiment device, it is characterised in that: including the vertical pump housing (4), with pump
Body (4) connects the pump cover (5) for forming enclosure space, the support of bearing (11) being arranged above pump cover (5), and is vertically arranged in
Oil lubrication bush(ing) bearing (14) are respectively set in the upper and lower end of pump shaft (16) on the support of bearing (11), the pump shaft (16)
With oil lubrication annular bearing with rolling contact (8) to pump shaft (16) radial support, oil lubrication bidirectional propulsion is arranged in pump shaft (16) upper end
Sliding bearing (13) axially supports pump shaft (16), and the oil lubrication bidirectional propulsion sliding bearing (13) and oil lubrication radially slide
In bearing body (15), the bearing body (15) is connected on the support of bearing (11) for bearing (14) setting, and the oil lubrication is radial
Rolling bearing (8) is connect with the support of bearing (11) side, and the tail portion setting of the pump shaft (16) is in the pump housing (16) inside and the pump housing
(16) impeller (2) connection in, the mechanical seal (6) between the pump cover (5) and pump shaft (16) by being connected on pump cover (5)
It seals, setting water lubriucated bearing (7) carries pump shaft (16) and packing seal is arranged on the pump shaft (16) above the pump cover (5)
(10) pump cover (5) and pump shaft (16) are sealed, are set between the oil lubrication annular bearing with rolling contact (8) and the support of bearing (11)
It sets radial force test suite (9), axial force testing is respectively set in oil lubrication bidirectional propulsion sliding bearing (13) upper and lower ends
Component (12).
2. reactor coolant pump hydraulic model integrated experiment device according to claim 1, it is characterised in that: the pump
Body (4) is spherical extrusion cell structure, and the import of the pump housing (4) is arranged in the pump housing (4) lower part, and the outlet of the pump housing (4) is set
It sets in the pump housing (4) side.
3. reactor coolant pump hydraulic model integrated experiment device according to claim 2, it is characterised in that: the pump
It is additionally provided with guide vane (3) and suction lead (1) in body (4), the guide vane (3) connect with the pump cover (5), the suction lead
(1) setting on the inside of the pump housing (4) import and is fixedly connected on the pump housing (4) import inner wall.
4. reactor coolant pump hydraulic model integrated experiment device according to claim 1, it is characterised in that: the leaf
Wheel (2) is fixedly connected on the pump shaft (16) tail end by nut and key.
5. reactor coolant pump hydraulic model integrated experiment device according to claim 4, it is characterised in that: the leaf
Taking turns (2) is single-stage impeller.
6. reactor coolant pump hydraulic model integrated experiment device according to claim 1, it is characterised in that: the oil
It is internal that lubrication bush(ing) bearing (14) is integrated in the oil lubrication bidirectional propulsion sliding bearing (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739312.2A CN109114011B (en) | 2018-07-06 | 2018-07-06 | A kind of reactor coolant pump hydraulic model integrated experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739312.2A CN109114011B (en) | 2018-07-06 | 2018-07-06 | A kind of reactor coolant pump hydraulic model integrated experiment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109114011A true CN109114011A (en) | 2019-01-01 |
| CN109114011B CN109114011B (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810739312.2A Active CN109114011B (en) | 2018-07-06 | 2018-07-06 | A kind of reactor coolant pump hydraulic model integrated experiment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022312A (en) * | 2019-12-18 | 2020-04-17 | 沈阳鼓风机集团核电泵业有限公司 | Axial thrust monitoring device for reactor coolant pump |
| CN112814916A (en) * | 2021-03-09 | 2021-05-18 | 合肥华升泵阀股份有限公司 | Horizontal test model pump of axial-flow pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808784A (en) * | 2012-08-27 | 2012-12-05 | 哈尔滨电气动力装备有限公司 | Hydraulic model testing device for water pump |
| CN204831666U (en) * | 2015-07-09 | 2015-12-02 | 广东省佛山水泵厂有限公司 | Rotating machinery's axial force testing arrangement |
| CN205064345U (en) * | 2015-09-28 | 2016-03-02 | 哈尔滨电气动力装备有限公司 | Model pump |
-
2018
- 2018-07-06 CN CN201810739312.2A patent/CN109114011B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808784A (en) * | 2012-08-27 | 2012-12-05 | 哈尔滨电气动力装备有限公司 | Hydraulic model testing device for water pump |
| CN204831666U (en) * | 2015-07-09 | 2015-12-02 | 广东省佛山水泵厂有限公司 | Rotating machinery's axial force testing arrangement |
| CN205064345U (en) * | 2015-09-28 | 2016-03-02 | 哈尔滨电气动力装备有限公司 | Model pump |
Non-Patent Citations (1)
| Title |
|---|
| 高翼飞: "水泵泵轴轴向力与径向力检测技术研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022312A (en) * | 2019-12-18 | 2020-04-17 | 沈阳鼓风机集团核电泵业有限公司 | Axial thrust monitoring device for reactor coolant pump |
| CN112814916A (en) * | 2021-03-09 | 2021-05-18 | 合肥华升泵阀股份有限公司 | Horizontal test model pump of axial-flow pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109114011B (en) | 2019-11-22 |
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