CN206495791U - A kind of control rod drive water pump - Google Patents
A kind of control rod drive water pump Download PDFInfo
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- CN206495791U CN206495791U CN201720111576.4U CN201720111576U CN206495791U CN 206495791 U CN206495791 U CN 206495791U CN 201720111576 U CN201720111576 U CN 201720111576U CN 206495791 U CN206495791 U CN 206495791U
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- 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
- Y02E30/30—Nuclear fission reactors
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Abstract
A kind of control rod drive water pump, including the pump housing, impeller, stator, final stage stator, motor heat screen, rotor, electric machine stand cylinder, top guide bearing component, lower guide bearing component, balancing drum, rod, axle sleeve etc., water spiral coil cooling tube is set on described electric machine stand drum outer wall, in the upper bit of rotor, water lubrication top guide bearing component is set, in the lower portion of rotor, water lubrication lower guide bearing component is set, rotor is arranged in motor heat screen, with rod, leading portion part and motor heat screen are connected and fastened by the second nut, combinations thereof body is put into the pump housing, connection box for motor is arranged on the right side of electric machine stand cylinder, the bottom of rotor is fixed on the 3rd nut.The utility model compact conformation, dynamic and static gaps selection is reasonable, shakes small, noise is low, shield pump structure design, and medium No leakage, security are reliable, technical field of nuclear power control rod driving system is met to control rod drive water pump use requirement, applied in technical field of nuclear power.
Description
Technical field
The utility model is related to a kind of control rod drive water pump of control rod driving system in technical field of nuclear power.
Background technology
At present, control rod drive water pump is one of important key equipment of technical field of nuclear power control rod driving system,
With the development of nuclear power technology, the insertion and lifting of C＆P systems are realized, so that reactor core mean temperature is controlled, to reach reaction
Heap clean boot, regulation reactor capability and shutdown purpose, for improve nuclear power technology level, adapt to nuclear power demand, it is necessary to
Research and develop new construction, new, efficient water pump assembly.In the prior art there is low-specific-speed water in control rod drive water pump
Power scale-model investigation is undesirable, and enterprise's database of hydraulic model is not enough, and vibration and noise reducing design is bad, and equipment stealth is not high, canned motor pump knot
Structure design is remarkable, and medium has leakage, is not inconsistent the selection for the nonmetallic materials that synkaryon level is required.The problem of due to existing, pole
The earth effect development of nuclear power.For the nuclear power technology of raising, realize that control rod drive water pump master-plan is advanced, structure is tight
Gather, dynamic and static gaps selection it is reasonable, the problem of with higher security reliability.Therefore, a kind of control rod drive water pump is researched and developed
New problem always anxious to be resolved.
The content of the invention
The purpose of this utility model is to provide a kind of control rod drive water pump, and the utility model is to meet nuclear power skill
Art field control rod driving system use requirement, master-plan is advanced, compact conformation, and dynamic and static gaps selection is reasonable, damping noise reduction,
Equipment stealth is improved, shield pump structure design, medium No leakage, security is reliable, by a series of durability experiment, performance
The pumps such as experiment remain to safe and reliable operation.
What the purpose of this utility model was realized in：A kind of control rod drive water pump, including the pump housing, leading portion part,
Impeller, stator, stage casing, final stage stator, motor heat screen, rotor, electric machine stand cylinder, top guide bearing component, motor wiring
Box, spiral coil cooling tube, lower guide bearing component, the first nut, kingbolt, balancing drum, rod, the second nut, the 3rd nut, axle
Water spiral coil cooling tube is set on set, described electric machine stand drum outer wall, water lubrication upper leading axle is set in the upper bit of rotor
Bearing assembly, water lubrication lower guide bearing component is set in the lower portion of rotor, and rotor is arranged in motor heat screen, and
Balancing drum, final stage stator, impeller, stage casing be installed successively, then mounting sleeve, stator, impeller, stage casing, leading portion part successively, with wearing
Leading portion part and motor heat screen are connected and fastened by thick stick, the second nut, and combinations thereof body is put into the pump housing, kingbolt,
One nut fixes electric machine stand cylinder and the pump housing together, and connection box for motor is arranged on the right side of electric machine stand cylinder, with the 3rd nut
It is fixed on the bottom of rotor；
The material of the described pump housing 1 is 06Cr18Ni11Ti；The material of described leading portion part is 06Cr18Ni11Ti；Institute
The material for the impeller stated is ZG0Cr13Ni4Mo；The material of described stator is 06Cr18Ni11Ti；The material in described stage casing
It is 06Cr18Ni11Ti.
The structure of the present utility model for being characterized by it.Its operation principle is that control rod drive water pump unit is located at anti-
Answer in the screened room of heap heap cabin, its function is the drive control pump waterpower under normal reactor operation operating mode, shutdown and accident conditions
Drive system medium is circulated in the loop.Control rod drive water pump is multistage priming vertical centrifugal pump, is vertical structure, motor
Upper, pump is provided with heat screen, to stop that the heat at pump end is transmitted to motor, the pump housing and motor laxative remedy under between pump and motor
Blue to connect into an entirety with kingbolt, mother nut and winding sealing gasket, rotor chamber is communicated with pump chamber, bears control rod water
Power-driven system pressure, constitutes control rod drive hydraulic system pressure boundary.
Compared with prior art, with compact conformation, dynamic and static gaps selection is reasonable, vibrations for a kind of control rod drive water pump
Small, noise is low, and shield pump structure design, medium No leakage, security are reliable, meet technical field of nuclear power control rod driving system
The advantages of to control rod drive water pump use requirement, it will be widely used in technical field of nuclear power.
Brief description of the drawings
Below in conjunction with the accompanying drawings and the utility model is described in detail embodiment.
Fig. 1 is structural representation of the present utility model.
Embodiment
Referring to the drawings, a kind of control rod drive water pump, including the pump housing 1, leading portion part 2, impeller 3, stator 4, stage casing 5,
It is final stage stator 6, motor heat screen 7, rotor 8, electric machine stand cylinder 9, top guide bearing component 10, connection box for motor 11, snakelike
Cooling tube 12, lower guide bearing component 13, the first nut 14, kingbolt 15, balancing drum 16, rod 17, the second nut 18, the 3rd spiral shell
Water spiral coil cooling tube 12 is set on mother 19, axle sleeve 20, described electric machine stand 9 outer walls of cylinder, set in the upper bit of rotor 8
Water lubrication top guide bearing component 10, sets water lubrication lower guide bearing component 13, rotor 8 is pacified in the lower portion of rotor 8
In motor heat screen 7, and successively install balancing drum 16, final stage stator 6, impeller 3, stage casing 5, then successively mounting sleeve 20,
Stator 4, impeller 3, stage casing 5, leading portion part 2, are connected leading portion part 2 and motor heat screen 7 simultaneously with rod 17, the second nut 18
Fastening, combinations thereof body is put into the pump housing 1, and kingbolt 15, the first nut 14 fix electric machine stand cylinder 9 and the pump housing 1 together,
Connection box for motor 11 is arranged on the right side of electric machine stand cylinder 9, and the bottom of rotor 8 is fixed on the 3rd nut 19.
The material of the described pump housing 1 is 06Cr18Ni11Ti；The material of described leading portion part 2 is 06Cr18Ni11Ti；
The material of described impeller 3 is ZG0Cr13Ni4Mo；The material of described stator 4 is 06Cr18Ni11Ti；Described stage casing 5
Material is 06Cr18Ni11Ti.
The utility model is further discussed below with reference to embodiment：
Control rod drive water pump unit is located in the screened room of heap cabin.Control rod drive water pump is controlling pump hydro powered
One of capital equipment of system, its function is the drive control pump water under normal reactor operation operating mode, shutdown and accident conditions
Power-driven system medium is circulated in the loop.Control rod drive water pump is a kind of HTHP canned motor pump, by shielded motor
With pump group into being vertical structure, motor is upper, and pump is provided with heat screen, to stop pump end under between pump and motor
Heat is transmitted to motor, and the pump housing and motor lower flange connect into an entirety with kingbolt, mother nut and winding sealing gasket, electricity
Motivation rotor chamber is communicated with pump chamber, bears system pressure, constitutes pressure boundary.
Wherein the latter half is pump portion, mainly includes the pump housing 1, leading portion part 2, impeller 3, stator 4, stage casing 5 and end
Level stator 6；Top half be motor part, mainly include rotor 8, electric machine stand cylinder 9, top guide bearing component 10, under lead
Bearing assembly 13, connection box for motor 11 is hermetically sealed design, installs after power cable, tightens outlet bucket, it is ensured that sealing ring
It is tight reliable between cable and sealing ring and junction box body, it is ensured that extraneous moisture can not enter in terminal box.Spiral coil cooling tube
12 and motor bed-plate 9 outer walls of cylinder on secondary cooling water cavity, carry out heat exchange cooling, the whole that is produced in motor will be taken away
Heat（Including iron core, winding conductor, housing, bearing operation, rotor water abrasion heating and auxiliary impeller power consumed energy）With
And the cooling of motor is realized in pump end to the conduction heat of motor terminal.Motor heat screen 7 prevents heat from pump end toward motor side
It is cavity structure inside conduction, heat screen, had both reduced the conduction of heat, mitigates the weight of unit again；The pump housing and motor laxative remedy
Orchid connects into an entirety with kingbolt 15, the first nut 14 and sealing gasket, and motor rotor chamber is communicated with pump chamber, bears system
Pressure, constitutes pressure boundary.
A kind of control rod drive water pump installation method：The motor of installation, which stands upside down, to be placed on mounting platform.Successively
Balancing drum 16, final stage stator 6, impeller 3, stage casing 5, then mounting sleeve 20, stator 4, impeller 3, stage casing 5 successively are installed, finally filled
Enter leading portion part 2, fastened above stator component by rod 17 with the second nut 18.Combination of the above body is put into the pump housing 1, tightly
Gu kingbolt 15, the first nut 14, complete unit assembling.
A kind of control rod drive water pump fundamental performance parameter is as follows：
| Operating mode | Flow（m3/h） | Lift（m） | Running temperature DEG C | Rotating speed r/min |
| 3 | 130 | 220 | 3000 |
Control rod drive water pump unit is the part of control rod drive hydraulic system pressure boundary, uses kingbolt
15th, motor lower flange and control rod drive water pump adapter are connected into an entirety by the first nut 14 and winding sealing gasket, electricity
Chamber where machine rotor is communicated with pump chamber, bears control rod drive hydraulic system pressure, constitutes control rod drive hydraulic system pressure
Border.In the rotor core outer surface of motor and stator core inner surface setting housing, by stator, rotor core and winding with
Medium is isolated.
Unit axial force be designed as it is constant downwards, rotor 8 be suspension type supporting.In the upper and lower parts of rotor 8
Water lubricating pilot bearings component is set, caused by the Hydraulic Radial Force bearing to act on impeller 3, the unbalance dynamic of rotor 8 from
The radial load such as mental and physical efforts and unbalanced force.The supporting structure of thrust bearing and upper and lower guide shaft bearing assembly is fixed.
Secondary cooling water cavity and a water spiral coil cooling tube 12, auxiliary impeller-driven electricity are set on electric machine stand 9 outer walls of cylinder
Water circulation of intracavitary where machine rotor, one time water is cooled down through spiral coil cooling tube 12 in secondary cooling water intracavitary by heat exchange,
In addition secondary water directly cooled machine support outer wall, first and second water will take away the net quantity of heat produced in motor（Including iron core hair
Heat, winding conductor heating, housing heating, rotor spin friction heating and auxiliary impeller power loss heat）, and pump end to
The conduction heat of motor side, realizes the cooling of motor, while lubricating bearing.
To stop that the heat at pump end is transmitted to motor, heat screen is provided between pump and motor.Further to improve unit
Mounting stability, motor top design Auxiliary support sets two, is arranged symmetrically into 180 °, above helps position respectively to set one altogether
Screwed hole, for being used as lifting position in units' installation.To adapt to units' installation, except motor primary cooling water is taken over, remaining
All it is arranged in including connection box for motor, platinum resistance thermometer sensor, motor stator winding temperature measuring junction box etc. in the range of 180 °.All pressure-bearings
Parts are the rational thickness provided by Strength co-mputation.
Claims (2)
1. a kind of control rod drive water pump, including the pump housing, leading portion part, impeller, stator, stage casing, final stage stator, motor are heat-insulated
Screen, rotor, electric machine stand cylinder, top guide bearing component, connection box for motor, spiral coil cooling tube, lower guide bearing component, the first spiral shell
Mother, kingbolt, balancing drum, rod, the second nut, the 3rd nut, axle sleeve, it is characterised in that：Described electric machine stand drum outer wall
Upper setting water spiral coil cooling tube, sets water lubrication top guide bearing component, in the bottom of rotor in the upper bit of rotor
Position sets water lubrication lower guide bearing component, and rotor is arranged in motor heat screen, and installation balancing drum, final stage are led successively
Leaf, impeller, stage casing, then mounting sleeve, stator, impeller, stage casing, leading portion part successively, with rod, the second nut by leading portion part
Connect and fasten with motor heat screen and be put into the pump housing, kingbolt, the first nut fix electric machine stand cylinder and the pump housing together, electricity
Machine terminal box is arranged on the right side of electric machine stand cylinder, and the bottom of rotor is fixed on the 3rd nut.
2. a kind of control rod drive water pump according to claim 1, it is characterised in that：The material of the described pump housing 1 is
06Cr18Ni11Ti；The material of described leading portion part is 06Cr18Ni11Ti；The material of described impeller is
ZG0Cr13Ni4Mo；The material of described stator is 06Cr18Ni11Ti；The material in described stage casing is 06Cr18Ni11Ti.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720111576.4U CN206495791U (en) | 2017-02-07 | 2017-02-07 | A kind of control rod drive water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720111576.4U CN206495791U (en) | 2017-02-07 | 2017-02-07 | A kind of control rod drive water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206495791U true CN206495791U (en) | 2017-09-15 |
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ID=59804285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720111576.4U Active CN206495791U (en) | 2017-02-07 | 2017-02-07 | A kind of control rod drive water pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN206495791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546423A (en) * | 2020-12-02 | 2021-03-26 | 深圳汉诺医疗科技有限公司 | Extracorporeal membrane oxygenation pump driving device |
-
2017
- 2017-02-07 CN CN201720111576.4U patent/CN206495791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546423A (en) * | 2020-12-02 | 2021-03-26 | 深圳汉诺医疗科技有限公司 | Extracorporeal membrane oxygenation pump driving device |
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