CN206246373U - A kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump - Google Patents
A kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump Download PDFInfo
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- CN206246373U CN206246373U CN201621243785.6U CN201621243785U CN206246373U CN 206246373 U CN206246373 U CN 206246373U CN 201621243785 U CN201621243785 U CN 201621243785U CN 206246373 U CN206246373 U CN 206246373U
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Abstract
The utility model discloses a kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump, including pump rotor and axial direction the clutch shaft bearing body, pump body structure and the second bearing body that set gradually along pump rotor, pump body structure includes pump cover and the pump housing；Pump body structure is the double volute-chamber structures of middle open type spirality；The inside of pump body structure is provided with impeller；The top of pump cover is provided with a flushing pipe device, and flushing pipe device is connected by the wash tub pipe circuit unit of two L-shaped with pump body structure.A kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump of the present utility model, is arranged symmetrically using double-entry impeller, and mutual balancing axial thrust improves the stability of pump operation；Pump configuration is horizontal middle open type structure, pump rotor part can be overhauled in the case where import and export pipeline and motor is not dismantled；Pump drive end uses cylinder roller bearing, free end uses angular contact ball bearing, the effective guarantee safe operation of pump group；Bearing lubrication uses thin oil lubricant, and is provided with fuel supplement device, can automatically compensate lubricating oil, solves the problems, such as that live repairing is difficult.
Description
Technical field
The utility model is related to a kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump for nuclear power engineering field.
Background technology
Major function of the spent fuel pool cooling pump in nuclear power station is as follows：
1) pump constitutes cooling circuit, and plays conveying in the loop with its institute's heat exchanger in the loop, Spent Fuel Pool
The effect of feed liquid, serves Spent Fuel Pool；
2) pump continuously runs with the miscellaneous equipment composition cooling circuit in its affiliated loop, takes weary combustion in Spent Fuel Pool out of
The after-heat that material component is discharged, limitation sump water temperature is not higher than 50 DEG C.
Current spent fuel pool cooling pump for nuclear power station generally there are the technologies such as big volume, maintenance inconvenience, shock resistance difference
Problem.Due to being limited by factory building installation site and space, even if maintenance gets up also more difficult after mounting sometimes.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of CAP1400 Nuclear Power Station's Exhausted Fuels
Pond cooling pump, its compact conformation improves stability during cooling pump operation, and can conveniently be overhauled.
Realizing a kind of technical scheme of above-mentioned purpose is：A kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump, including pump turns
Clutch shaft bearing body, pump body structure and second bearing body that sub and along pump rotor axial direction sets gradually, the pump body structure
Including pump cover and the pump housing.
The bottom of the clutch shaft bearing body is provided with a clutch shaft bearing body case；The clutch shaft bearing body case is by the first connection
Arm is connected with the pump housing；The bottom of the second bearing body is provided with a second bearing body case；The second bearing body case leads to
The second linking arm is crossed to be connected with the pump housing.
The pump body structure is the double volute-chamber structures of middle open type spirality；The inside of the pump body structure is provided with impeller.
The top of the pump cover is provided with a flushing pipe device, and the flushing pipe device is by two L-shaped
Wash tub pipe circuit unit is connected with the pump body structure.
Further, the pump housing along rotor axial is respectively provided on two sides with a mechanical seal；The wash tub pipe
Circuit unit is connected on the upper surface of the mechanical seal.
Further, first linking arm and second linking arm are respectively equipped with one with the junction of the pump housing
Individual plug.
Further, on the side wall of the close described clutch shaft bearing body of the rotor, a lubricating cup and an oil are provided with
Mark.
Further, the impeller is double-entry impeller, and the impeller is provided with sealing with the contact position of the pump body structure
Ring, the position contacted with the pump housing in the sealing ring is provided with steady pin.
Further, set in a cylinder roller bearing, the second bearing body in the clutch shaft bearing body and set
One cylinder roller bearing and a pair of angular contact ball bearings.
A kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump of the present utility model, structure is arranged symmetrically using double-entry impeller,
Mutual balancing axial thrust, improves the stability of pump operation；Pump configuration is horizontal middle open type structure, can not dismantle import and export
In the case of pipeline and motor, pump rotor part is overhauled；Pump drive end uses cylinder roller bearing, and free end uses angle
Contact ball bearing, the effective guarantee safe operation of pump group；Bearing lubrication uses thin oil lubricant, and is provided with fuel supplement device, can be certainly
The lubricating oil of dynamic compensation loss, solves the problems, such as that live repairing is difficult.
Brief description of the drawings
Fig. 1 is a kind of structural representation sectional view of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump of the present utility model；
Fig. 2 is a kind of left view of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump of the present utility model.
Specific embodiment
In order to be able to preferably understand the technical solution of the utility model, below by specifically embodiment and combine
Accompanying drawing is described in detail：
Refer to Fig. 1 and Fig. 2, a kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump, including pump rotor 1 and along pump
Clutch shaft bearing body 2, pump body structure 3 and second bearing body 4 that the axial direction of rotor 1 sets gradually, pump body structure include the He of pump cover 31
The pump housing 32.
The bottom of clutch shaft bearing body 2 is provided with a clutch shaft bearing body case 21；Clutch shaft bearing body case 21 passes through the first linking arm
22 are connected with the pump housing 32；The bottom of second bearing body 4 is provided with a second bearing body case 41；Second bearing body case 41 passes through second
Linking arm 42 is connected with the pump housing 32.Such structure design ensure that the structural stability of the bearing of the both sides of pump body structure 3.Connection
The connection effect of arm can also reduce the Relative Vibration between the bearing that bearing causes in the motion process of rotor 1 and the pump housing, mitigate
Cooling pump noise operationally.First linking arm 41 and the second linking arm 42 are respectively equipped with one with the junction of the pump housing
Plug 9, strengthens the sealing between linking arm and the pump housing.
Pump body structure 3 is respectively provided on two sides with a mechanical seal 5 along rotor axial, is used to make pump cover 31 and the pump housing 32
It is connected.
The top of pump cover 31 is provided with a flushing pipe device 6, and flushing pipe device 6 is by two flushings of L-shaped
Water pipe circuit unit 61 is connected with the upper surface of mechanical seal 5, can realize directly rinsing pump body structure 3.
Pump body structure 3 is the double volute-chamber structures of middle open type spirality.The inside of pump body structure 3 is provided with double-entry impeller 7, double suction leaf
Wheel 7 is provided with sealing ring 71 with the contact position of pump body structure 3, and the position contacted with the pump housing in sealing ring 71 is provided with steady pin 72.
Pump configuration is arranged symmetrically using double-entry impeller, can realize mutual balancing axial thrust, improves the stability of pump operation；Pump configuration
It is horizontal middle open type structure, pump rotor part can be overhauled in the case where import and export pipeline and motor is not dismantled.
On the side wall of the close clutch shaft bearing body 2 of rotor 1, a lubricating cup 81 and an oil ga(u)ge 82 are provided with.Bearing lubrication
Using thin oil lubricant, by setting recharging oil device, it is possible to achieve the lubricating oil of automatic compensation loss, live repairing hardly possible is solved
Problem.
Set in clutch shaft bearing body 2 and a cylinder roller bearing is set in a cylinder roller bearing 23, second bearing body 4
43 and a pair of angular contact ball bearings 44, it is used to balance the residual axial force produced by rotor portion operating, make the operating of rotor steady
It is fixed, reduce the noise for producing.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as be to restriction of the present utility model, if in spirit of the present utility model, to the above
Change, the modification of embodiment will all fall in Claims scope of the present utility model.
Claims (6)
1. a kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump, including pump rotor and set gradually along the axial direction of pump rotor
Clutch shaft bearing body, pump body structure and second bearing body, the pump body structure includes pump cover and the pump housing, it is characterised in that：
The bottom of the clutch shaft bearing body is provided with a clutch shaft bearing body case；The clutch shaft bearing body case by the first linking arm with
The pump housing connection；The bottom of the second bearing body is provided with a second bearing body case；The second bearing body case is by the
Two linking arms are connected with the pump housing；
The pump body structure is the double volute-chamber structures of middle open type spirality；The inside of the pump body structure is provided with impeller；
The top of the pump cover is provided with a flushing pipe device, and the flushing pipe device is by two flushings of L-shaped
Water pipe circuit unit is connected with the pump body structure.
2. a kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump according to claim 1, it is characterised in that the pump housing
Be respectively provided on two sides with a mechanical seal along rotor axial；The wash tub pipe circuit unit is connected to the mechanical seal
On upper surface.
3. a kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump according to claim 1, it is characterised in that described first
Linking arm and second linking arm are respectively equipped with a plug with the junction of the pump housing.
4. a kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump according to claim 1, it is characterised in that at described turn
On the side wall of the close described clutch shaft bearing body of son, a lubricating cup and an oil ga(u)ge are provided with.
5. a kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump according to claim 1, it is characterised in that the impeller
It is double-entry impeller, the impeller is provided with sealing ring with the contact position of the pump body structure, in the sealing ring and the pump housing
The position of contact is provided with steady pin.
6. a kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump according to claim 1-5 any one, its feature exists
In, a cylinder roller bearing is set in the clutch shaft bearing body, the second bearing body is interior to set a cylinder roller bearing
With a pair of angular contact ball bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243785.6U CN206246373U (en) | 2016-11-17 | 2016-11-17 | A kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243785.6U CN206246373U (en) | 2016-11-17 | 2016-11-17 | A kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246373U true CN206246373U (en) | 2017-06-13 |
Family
ID=58999741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621243785.6U Active CN206246373U (en) | 2016-11-17 | 2016-11-17 | A kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351845A (en) * | 2016-11-17 | 2017-01-25 | 上海阿波罗机械股份有限公司 | CAP1400 nuclear power plant spent fuel pool cooling pump |
-
2016
- 2016-11-17 CN CN201621243785.6U patent/CN206246373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351845A (en) * | 2016-11-17 | 2017-01-25 | 上海阿波罗机械股份有限公司 | CAP1400 nuclear power plant spent fuel pool cooling pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 555, Yisong Road, Nanqiao Town, Fengxian District, Shanghai 201401 Patentee after: SHANGHAI APOLLO MACHINERY Co.,Ltd. Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 555, Yisong Road, Nanqiao Town, Fengxian District, Shanghai 201401 Patentee before: SHANGHAI APOLLO MACHINERY Co.,Ltd. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |