CN207999367U - A kind of main waterworks of double reactor of nuclear power plant - Google Patents
A kind of main waterworks of double reactor of nuclear power plant Download PDFInfo
- Publication number
- CN207999367U CN207999367U CN201820024557.2U CN201820024557U CN207999367U CN 207999367 U CN207999367 U CN 207999367U CN 201820024557 U CN201820024557 U CN 201820024557U CN 207999367 U CN207999367 U CN 207999367U
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- CN
- China
- Prior art keywords
- bearing
- pump housing
- transmission shaft
- nuclear power
- waterworks
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- 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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Abstract
The utility model discloses a kind of main waterworks of double reactor of nuclear power plant,Its structure includes end cap,Spindle nose,Bearing gland,The pump housing,Impeller,Guide vane,Transmission shaft,Interstage sleeve,Seal,Runner pipe,Water outlet,Water inlet,Mounting plate,Bearing body,Bearing,The right side of end cap and the left side of bearing body fit,Spindle nose is embedded in the front surface for being installed on bearing body,The right side of end cap is equipped with spindle nose,Bearing gland is threadedly coupled with the left side of the pump housing,A kind of main waterworks of double reactor of nuclear power plant of the utility model,Structure is equipped with bearing,It is nested with transmission shaft,While transmission shaft rotates,Lubricating oil in the pump housing can enter enclosure interior from oil inlet by oil inlet pipe,Since its tile fragment can be with rotating speed,Load and the difference of bearing temperature and freely swing,Multi-oil wedge floating-ring can be formed around transmission shaft axle journal,Reduce friction,And the size of axis can be also adapted to by adjusting the adjust pad above gasket,It is capable of the service life and Application Range of extending shaft in this way.
Description
Technical field
The utility model is a kind of main waterworks of double reactor of nuclear power plant, belongs to waterworks field.
Background technology
It is known as nuclear power station using the power station that nuclear energy generates electricity, the chain reaction of fission can only be utilized to generate in the world today
Energy generate electricity, nuclear power station is exactly to be generated electricity using thermal energy caused by one or several power reactor, or power generation is simultaneous
The power facility of heat supply, reactor are the key equipments of nuclear power station, and chain reaction of nuclear fission with regard to carrying out wherein, by nuclear fission
The nuclear energy of release is converted into thermal energy, then is changed into the system and facility of electric energy, commonly referred to as nuclear power station, and nuclear power station is common in the world
Reactor have light water reactor, heavy water reactor and AGR advanced gas cooled reactor and fast reactor etc., but most popular is light water reactor, by generating steaming
The process of vapour is different, and light water reactor can be divided into two class of boiling water reactor of nuclear power plant and pressurized-water reactor nuclear power plant, presurized water reactor be made with light water it is cold
But agent and moderator, it is most ripe, the most successful power reactor heap-type to grow up on the basis of military heap, compressed water reactor nuclear power
Station accounts for 60% or more of whole world nuclear power total capacity.
Prior art discloses application No. is:200920110617.3 a kind of steam generator secondary side waterworks.
Annular water supply endless tube is fixed on steam generator cylinder cylinder and restrains the top of cyclic annular decline passway between sleeve.Water inlet is taken over
It is connected on annular water supply endless tube, the first cold side on annular water supply endless tube and the second cold side, the first hot side and the second hot side
It is symmetrically arranged the pipe of falling J-type, but the lubrication of the prior art water pump bearing is not thorough enough so that shaft is during the work time
It is easy to wear.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of main water supply dress of double reactor of nuclear power plant
It sets, it is not thorough enough with the lubrication for solving existing water pump bearing so that shaft problem easy to wear during the work time.
To achieve the goals above, the utility model is to realize by the following technical solutions:A kind of double reactor of nuclear power plant
Main waterworks, structure include end cap, spindle nose, bearing gland, the pump housing, impeller, guide vane, transmission shaft, interstage sleeve, seal,
Runner pipe, water outlet, water inlet, mounting plate, bearing body, bearing, the right side of the end cap and the left side of bearing body fit,
Spindle nose insertion is installed on the front surface of bearing body, and the right side of the end cap is equipped with spindle nose, the bearing gland and the pump housing
Left side is threadedly coupled, and the impeller is integrated with guide vane, and the front surface of the pump housing is embedded with guide vane, the transmission shaft
Outside and the pump housing be rotatablely connected, the inside of the interstage sleeve and the outer surface of transmission shaft are nested, the left side of the interstage sleeve with it is close
It fits on the right side of envelope body, the top of the guide vane is equipped with runner pipe, and the water outlet insertion is installed on the inside of the pump housing, described
Water inlet is connected with pump housing outer surface, and the right side of the bearing body is mutually binded with the left side of bearing gland, the bearing
Inside and the outer surface of transmission shaft fit, the front surface of the pump housing is embedded with bearing, and the bearing includes shell, oil inlet
The front surface of mouth, oil inlet pipe, gasket, adjust pad, tile fragment, the shell is mutually welded with gasket, the gasket and adjust pad
It is integrated, the front surface of the shell is embedded with oil inlet, and the oil inlet is connected with oil inlet pipe, and the tile fragment is just
Surface and the back side of gasket fit, and the shell is internally provided with tile fragment, the inside of the tile fragment and the outer surface of transmission shaft
It is nested.
Further, the impeller insertion is installed on the front surface of the pump housing, and the bearing gland is nested with transmission shaft.
Further, the outer surface of the seal and transmission shaft is nested, and the inside of the pump housing is embedded with runner pipe.
Further, the mounting plate is integrated with water inlet, and the right side of the impeller is equipped with seal.
Further, a diameter of 15cm of the water inlet.
Further, the end cap alloy cast iron is made, hard durable.
Further, the quantity of the seal is.
Advantageous effect
A kind of main waterworks of double reactor of nuclear power plant of the utility model, structure are equipped with bearing, are nested with transmission shaft, when
While transmission shaft rotates, the lubricating oil in the pump housing can enter enclosure interior from oil inlet by oil inlet pipe, due to its tile fragment energy
Freely swing with the difference of rotating speed, load and bearing temperature, multi-oil wedge floating-ring can be formed around transmission shaft axle journal, reduction rubs
Wipe, and can also by adjusting the adjust pad above gasket adapt to axis size, be capable of in this way extending shaft service life and
Application Range.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the main waterworks of double reactor of nuclear power plant of the utility model;
Fig. 2 is a kind of diagrammatic cross-section of bearing of the utility model.
In figure:It is end cap -1, spindle nose -2, bearing gland -3, the pump housing -4, impeller -5, guide vane -6, transmission shaft -7, interstage sleeve -8, close
Seal body -9, runner pipe -10, water outlet -11, water inlet -12, mounting plate -13, bearing body -14, bearing -15, shell -1501, into
Hydraulic fluid port -1502, oil inlet pipe -1503, gasket -1504, adjust pad -1505, tile fragment -1506.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
It please refers to Fig.1, Fig. 2, the utility model provides a kind of main waterworks technical solution of double reactor of nuclear power plant:Its structure
Including end cap 1, spindle nose 2, bearing gland 3, the pump housing 4, impeller 5, guide vane 6, transmission shaft 7, interstage sleeve 8, seal 9, runner pipe 10, go out
The mouth of a river 11, water inlet 12, mounting plate 13, bearing body 14, bearing 15, the right side of the end cap 1 and the left side phase of bearing body 14
Fitting, the spindle nose 2 are embedded in the front surface for being installed on bearing body 14, and the right side of the end cap 1 is equipped with spindle nose 2, the bearing pressure
Lid 3 is threadedly coupled with the left side of the pump housing 4, and the impeller 5 is integrated with guide vane 6, and the front surface of the pump housing 4 is embedded with
Guide vane 6, outside and the pump housing 4 of the transmission shaft 7 are rotatablely connected, and the inside and the outer surface of transmission shaft 7 of the interstage sleeve 8 are mutually embedding
Set, the left side and the right side of seal 9 of the interstage sleeve 8 fit, and the top of the guide vane 6 is equipped with runner pipe 10, the water outlet
11 insertion of mouth is installed on the inside of the pump housing 4, and the water inlet 12 is connected with 4 outer surface of the pump housing, the right end of the bearing body 14
Face and the left side of bearing gland 3 are mutually binded, and the inside and the outer surface of transmission shaft 7 of the bearing 15 fit, the pump housing 4
Front surface be embedded with bearing 15, the bearing 15 include shell 1501, oil inlet 1502, oil inlet pipe 1503, gasket 1504, adjustment
Gasket 1505, tile fragment 1506, front surface and 1504 phase of gasket of the shell 1501 are welded, the gasket 1504 and adjust pad
1505 are integrated, and the front surface of the shell 1501 is embedded with oil inlet 1502, the oil inlet 1502 and oil inlet pipe
1503 are connected, and the back side of the front surface and gasket 1504 of the tile fragment 1506 fits, and the shell 1501 is internally provided with
Tile fragment 1506, the inside and the outer surface of transmission shaft 7 of the tile fragment 1506 are nested, and the insertion of the impeller 5 is installed on the pump housing 4
Front surface, the bearing gland 3 are nested with transmission shaft 7, and the seal 9 and the outer surface of transmission shaft 7 are nested, the pump
The inside of body 4 is embedded with runner pipe 10, and the mounting plate 13 is integrated with water inlet 12, and the right side of the impeller 5 is equipped with
Seal 9, a diameter of 15cm of the water inlet 12,1 alloy cast iron of the end cap are made, hard durable, the seal 9
Quantity is 2.
The blade of impeller 5 described in this patent is generally swept-back, and blade blade has cylindrical and two kinds of twisted shape, application
Twisted blade can reduce the load of blade, and can improve the intake performance of centrifugal pump, improve anti-cavitation ability, but manufacture difficulty compared with
Greatly, cost is higher, and the bearing gland 3 is generally used for the axially position of bearing, and ensures enough centering precisions, ensures axis
The normal running conditions held.
When being used, the shell 1501 of bearing 15 plays fixed and protective effect, while transmission shaft 7 rotates, the pump housing
Lubricating oil in 4 can enter from oil inlet 1502 by oil inlet pipe 1503 inside shell 1501, since its tile fragment 1506 can be with
Rotating speed, load and bearing temperature difference and freely swing, multi-oil wedge floating-ring can be formed around 7 axle journal of transmission shaft, reduce friction, and
And the size of axis can be also adapted to by adjusting the adjust pad 1505 of 1504 top of gasket.
The lubrication that the utility model solves water pump bearing is not thorough enough so that shaft is easy to wear during the work time
Problem, the utility model are combined with each other by above-mentioned component, and structure is equipped with bearing, is nested with transmission shaft, works as transmission shaft
While rotation, the lubricating oil in the pump housing can enter enclosure interior from oil inlet by oil inlet pipe, due to its tile fragment can with turn
Speed, the difference of load and bearing temperature and freely swing, multi-oil wedge floating-ring can be formed around transmission shaft axle journal, reduce friction, and
The size that axis can be also adapted to by adjusting the adjust pad above gasket is capable of the service life of extending shaft and selects model in this way
It encloses, it is described in detail below:
The bearing 15 include shell 1501, oil inlet 1502, oil inlet pipe 1503, gasket 1504, adjust pad 1505, watt
Block 1506, front surface and 1504 phase of gasket of the shell 1501 are welded, and the gasket 1504 is integrated with adjust pad 1505
Change structure, the front surface of the shell 1501 is embedded with oil inlet 1502, and the oil inlet 1502 is connected with oil inlet pipe 1503, institute
The back side for stating the front surface and gasket 1504 of tile fragment 1506 fits, and the shell 1501 is internally provided with tile fragment 1506, described
The inside of tile fragment 1506 and the outer surface of transmission shaft 7 are nested.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of main waterworks of double reactor of nuclear power plant, it is characterised in that:Its structure includes end cap (1), spindle nose (2), bearing pressure
Cover (3), the pump housing (4), impeller (5), guide vane (6), transmission shaft (7), interstage sleeve (8), seal (9), runner pipe (10), water outlet
(11), water inlet (12), mounting plate (13), bearing body (14), bearing (15), right side and the bearing body (14) of the end cap (1)
Left side fit, the embedded front surface for being installed on bearing body (14) of the spindle nose (2), the right side of the end cap (1) is equipped with
Spindle nose (2), the bearing gland (3) are threadedly coupled with the left side of the pump housing (4), and the impeller (5) is integrated with guide vane (6)
The front surface of structure, the pump housing (4) is embedded with guide vane (6), and outside and the pump housing (4) of the transmission shaft (7) are rotatablely connected, described
The inside of interstage sleeve (8) and the outer surface of transmission shaft (7) are nested, and are affixed on the right side of the left side of the interstage sleeve (8) and seal (9)
It closes, the top of the guide vane (6) is equipped with runner pipe (10), and the embedded inside for being installed on the pump housing (4) of the water outlet (11) is described
Water inlet (12) is connected with the pump housing (4) outer surface, the left side phase of the right side and bearing gland (3) of the bearing body (14)
Bonding, the inside and the outer surface of transmission shaft (7) of the bearing (15) fit, and the front surface of the pump housing (4) is embedded with bearing
(15), the bearing (15) includes shell (1501), oil inlet (1502), oil inlet pipe (1503), gasket (1504), adjust pad
(1505), tile fragment (1506), front surface and the gasket (1504) of the shell (1501) mutually weld, the gasket (1504) and tune
Whole gasket (1505) is integrated, and the front surface of the shell (1501) is embedded with oil inlet (1502), the oil inlet
(1502) it is connected with oil inlet pipe (1503), the back side of the front surface and gasket (1504) of the tile fragment (1506) fits, institute
That states shell (1501) is internally provided with tile fragment (1506), and the inside and the outer surface of transmission shaft (7) of the tile fragment (1506) are mutually embedding
Set.
2. a kind of main waterworks of double reactor of nuclear power plant according to claim 1, it is characterised in that:The impeller (5) is embedding
Enter to be installed on the front surface of the pump housing (4), the bearing gland (3) is nested with transmission shaft (7).
3. a kind of main waterworks of double reactor of nuclear power plant according to claim 1, it is characterised in that:The seal (9)
It is nested with the outer surface of transmission shaft (7), the inside of the pump housing (4) is embedded with runner pipe (10).
4. a kind of main waterworks of double reactor of nuclear power plant according to claim 1, it is characterised in that:The mounting plate (13)
It is integrated with water inlet (12), the right side of the impeller (5) is equipped with seal (9).
5. a kind of main waterworks of double reactor of nuclear power plant according to claim 1, it is characterised in that:The water inlet (12)
A diameter of 15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820024557.2U CN207999367U (en) | 2018-01-08 | 2018-01-08 | A kind of main waterworks of double reactor of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820024557.2U CN207999367U (en) | 2018-01-08 | 2018-01-08 | A kind of main waterworks of double reactor of nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999367U true CN207999367U (en) | 2018-10-23 |
Family
ID=63835053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820024557.2U Expired - Fee Related CN207999367U (en) | 2018-01-08 | 2018-01-08 | A kind of main waterworks of double reactor of nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207999367U (en) |
-
2018
- 2018-01-08 CN CN201820024557.2U patent/CN207999367U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181023 Termination date: 20190108 |