CN205841221U - Three generations's million kilowatt and gigawatt dilatation level nuclear power generating sets condensate pump - Google Patents
Three generations's million kilowatt and gigawatt dilatation level nuclear power generating sets condensate pump Download PDFInfo
- Publication number
- CN205841221U CN205841221U CN201620525221.5U CN201620525221U CN205841221U CN 205841221 U CN205841221 U CN 205841221U CN 201620525221 U CN201620525221 U CN 201620525221U CN 205841221 U CN205841221 U CN 205841221U
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- China
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- nuclear power
- generations
- blower inlet
- inlet casing
- million kilowatt
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Abstract
This utility model relates to a kind of three generations's million kilowatt and gigawatt dilatation level nuclear power generating sets condensate pump, specifically a kind of three generations's used in nuclear power station million kilowatt and million kilowatt nuclear power dilatation unit condensate pump, by chopped-off head blower inlet casing, dodge level propeller cap, final stage blower inlet casing, first stage impeller, secondary impeller, impeller, guide bearing assembly, middle bearing bracket, adapter, suction casing, discharge seat, mechanical seal, bearing assembly, support seat, electric machine support, deaeration pipe, balance pipe institute, several big parts such as power transmission shaft and working shaft are formed, this utility model meets three generations's used in nuclear power station million kilowatt and the requirement of million kilowatt nuclear power dilatation unit condensate pump, achieve three generations's used in nuclear power station condensate pump and exempt from the breakthrough of zero of import.
Description
Technical field: this utility model relates to a kind of three generations's million kilowatt and gigawatt dilatation level nuclear power generating sets with cold
Condensate pump.
Background technology:
The most domestic nuclear power station of greatly developing, present nuclear power station is more and more with pump, but it is autonomous to be belonging to us
The pump of the intellectual property of design is little, is the most all external technology, and this does not meets the requirement of country's production domesticization ratio, mesh
The producer of front design used in nuclear power station pump of having the ability is also little, and major part is to have manufacture qualification, even there being the producer of design qualification
Designed capacity is also limited, is mostly localization Design, and a lot of pumps fail to realize autonomy-oriented design, and domestic only several have
The producer of core level design qualification is that production domesticization sets at the secondary and secondary several core two stage pumps added on nuclear power station and non-core level pump entirely
Meter, model and structure be the most existing entirely, be substantially on the spare part of existing nuclear power station mapping come.
It is the strictest that current three generations's nuclear power station requires, it is desirable to the projected life of visual plant will more than 60 years,
Therefore the autonomy-oriented design structure the most do not controlled oneself in three generations's pump product technology, does not has the intellectual property of oneself, by abroad
Limit, and power station be designed and manufactured as on this increase a lot, especially Large Scale Cold condensate pump, the most unprecedented, with
The condensate pump cylinder of front thermal power station is the longest the most about 7 meters, and the present only water pump cylinder of the condensate pump on nuclear power station is long
Will more than ten meter, so processing and install the biggest difficulty, the intensity of cylinder is also required for being strengthened.
Summary of the invention: the purpose of this utility model is to provide simple in construction, stable performance, reliable, safe a kind of three generations
Million kilowatt and gigawatt dilatation level nuclear power generating sets condensate pump, the technical solution of the utility model is: power transmission shaft
(35) linking together by branch sleeve (19) and cutting ferrule (21) with working shaft (17), locking nut (2) is by the first guide bearing
(3) being arranged on suction tube (4), first phyllidium wheel (7) uses axle sleeve (5) to fix in being arranged on chopped-off head blower inlet casing (6), first stage impeller
(7) it is that wear ring (8) is connected with chopped-off head blower inlet casing (6) at choma before and after, connects between chopped-off head blower inlet casing (6) and working shaft (17)
Then the second guide bearing (9), secondary impeller (10) is arranged between chopped-off head blower inlet casing (6) end and secondary blower inlet casing (11) front end
Position and use end cap (13) fix, choma (12) is installed between secondary impeller (10) and chopped-off head blower inlet casing (6), secondary
Blower inlet casing (11), chopped-off head blower inlet casing (6), final stage blower inlet casing (15) are all sleeved on working shaft (17) order and are connected.
Three sections of different adapters intermediate bearings identical with three are set between final stage blower inlet casing (15) and discharge seat (23)
Seat, wherein final stage blower inlet casing (15) is connected with the head end of adapter one (16), the end of adapter one (16) and the first intermediate bearing
Seat (18-1) is connected, and in first, spindle bearing (18-1) is connected with the head end of adapter two (20)；The end of adapter two (20)
Being connected with the second middle bearing bracket (18-2), the second middle bearing bracket (18-2) is connected with the head end of adapter three (22)；Connect
End and the 3rd middle bearing bracket (18-3) of pipe three (22) are connected, the 3rd middle bearing bracket (18-3) and discharge seat (23)
It is connected.
Integrated mechanical sealing (31) is installed between power transmission shaft (35) and discharge seat (27).
The inwall of cylinder (1) with twice backplate, the i.e. first backplate (36) and the second backplate (37).
Discharge seat (23) is connected with supporting seat (33), and supports seat (33) and motor support base (34) is connected, in support
Connect and parts of bearings (32) in the middle of seat (33) and motor support base (34).
Work process of the present utility model is: power transmission shaft (35) rotational band move working shaft (17) and first stage impeller (7) and time
Level impeller (10) and impeller (14) rotate, and water are sucked from the suction inlet of suction casing (1), via rectifier tube (4), by head
After level impeller (7) rotating energy increases, it is discharged in secondary impeller (10) via chopped-off head blower inlet casing (6), secondary impeller (10) revolves
After turning energy increase, enter in secondary spiral shell (12), enter in impeller (14) after secondary spiral shell (12) rectification, by
Impeller (14) rotating energy imports in final stage blower inlet casing (15) after increasing, and after final stage blower inlet casing (15) rectification, row is to spuing
Outside seat (27), then the outlet excavationg pump by discharge seat (27).
Technological merit of the present utility model with good effect is:
1, a kind of three generations's million kilowatt of the present utility model and gigawatt dilatation level nuclear power generating sets condensate pump, as
Shown in Fig. 1, this pump configuration is simple, easy for installation, does not has the component structural of complexity；
2, a kind of three generations's million kilowatt of the present utility model and gigawatt dilatation level nuclear power generating sets condensate pump,
As it is shown in figure 1, this utility model chopped-off head have employed the form of double-sided impeller, reduce the cavitation of pump installation, improve pump
Anti-cavitation ability；
3, a kind of three generations's million kilowatt of the present utility model and gigawatt dilatation level nuclear power generating sets condensate pump, as
Shown in Fig. 1, six groups of guide bearing assemblies on driving shaft and power transmission shaft are general, decrease processing technique and add the general of spare part
Property；
4, a kind of three generations's million kilowatt of the present utility model and gigawatt dilatation level nuclear power generating sets condensate pump, as
Shown in Fig. 1, use high performance material, it is ensured that the power station service life of 60 years；
5, a kind of three generations's million kilowatt of the present utility model and gigawatt dilatation level nuclear power generating sets condensate pump, if
Meter is advanced rationally, and stable, efficient for ensureing in 95%～105% flow region, the hydraulic model of pump has been carried out such as lower section
The optimization in face, reduces hydraulic loss, from improving overall efficiency；
6, a kind of three generations's million kilowatt of the present utility model and gigawatt dilatation level nuclear power generating sets condensate pump, inhale
Enter adapter and spue adapter on same horizontal line, in order to the layout of place pipeline, installation and convenient disassembly；
7, a kind of three generations's million kilowatt of the present utility model and gigawatt dilatation level nuclear power generating sets condensate pump, adopt
By cartridge mechanical seal, easy for installation, good airproof performance, it is suitable for the feature of nuclear power station long term life；
8, a kind of three generations's million kilowatt of the present utility model and gigawatt dilatation level nuclear power generating sets condensate pump,
Put three sections of adapters between its final stage blower inlet casing (15) and discharge seat (23), three intermediate bearing parts are set simultaneously and (include (18-
1), (18-2), (18-3) and Taper Pipe (16), first adapter (20), second adapter (22)), solve long tube difficulty of processing and
Improve the intensity of the pump of connection member.
Accompanying drawing illustrates:
Fig. 1 is this utility model one three generations's used in nuclear power station pump configuration schematic diagram
Detailed description of the invention:
A kind of three generations's used in nuclear power station pump configuration, is connected power transmission shaft 35 by branch sleeve 19 and cutting ferrule 21 with working shaft 17
Together, the first guide bearing 3 is arranged on suction tube 4 by locking nut 2, and first phyllidium wheel 7 uses in being arranged on chopped-off head blower inlet casing 6
Axle sleeve 5 is fixed, and is that wear ring 8 is connected with chopped-off head blower inlet casing 6 at choma before and after first stage impeller 7, chopped-off head blower inlet casing 6 and working shaft
Being connected to the second guide bearing 9 between 17, secondary impeller 10 is arranged between chopped-off head blower inlet casing 6 end and secondary blower inlet casing 11 front end
Position and use end cap 13 to fix, choma 12, secondary blower inlet casing are installed between secondary impeller 10 and chopped-off head blower inlet casing 6
11, chopped-off head blower inlet casing 6, final stage blower inlet casing 15 are all sleeved on working shaft 17 order and are connected.
Three sections of different adapters middle bearing brackets identical with three are set between final stage blower inlet casing 15 and discharge seat 23,
Wherein final stage blower inlet casing 15 is connected with the head end of adapter 1, and the end of adapter 1 and the first middle bearing bracket 18-1 are connected
Connecing, in first, spindle bearing 18-1 is connected with the head end of adapter 2 20；The end of adapter 2 20 and the second middle bearing bracket 18-
2 are connected, and the second middle bearing bracket 18-2 is connected with the head end of adapter 3 22；The end of adapter 3 22 and the 3rd jackshaft
Bearing 18-3 is connected, and the 3rd middle bearing bracket 18-3 is connected with discharge seat 23.
Integrated mechanical sealing 31 is installed between power transmission shaft 35 and discharge seat 27.
At the inwall of cylinder 1 with twice backplate, the i.e. first backplate 36 and the second backplate 37.
Discharge seat 23 is connected with supporting seat 33, and supports seat 33 and motor support base 34 is connected, supporting seat 33 He
Connect and parts of bearings 32 in the middle of motor support base 34.
Claims (5)
1. three generations's million kilowatt and a gigawatt dilatation level nuclear power generating sets condensate pump, is characterized in that: power transmission shaft
(35) linking together by branch sleeve (19) and cutting ferrule (21) with working shaft (17), locking nut (2) is by the first guide bearing
(3) being arranged on suction tube (4), first phyllidium wheel (7) uses axle sleeve (5) to fix in being arranged on chopped-off head blower inlet casing (6), first stage impeller
(7) it is that wear ring (8) is connected with chopped-off head blower inlet casing (6) at choma before and after, connects between chopped-off head blower inlet casing (6) and working shaft (17)
Then the second guide bearing (9), secondary impeller (10) is arranged between chopped-off head blower inlet casing (6) end and secondary blower inlet casing (11) front end
Position and use end cap (13) fix, between secondary impeller (10) and chopped-off head blower inlet casing (6) installation choma (12), secondary is led
Stream shell (11), chopped-off head blower inlet casing (6), final stage blower inlet casing (15) are all sleeved on working shaft (17) order and are connected.
A kind of three generations's million kilowatt the most according to claim 1 and gigawatt dilatation level nuclear power generating sets condensed water
Pump, is characterized in that: arrange three sections of different adapters centres identical with three between final stage blower inlet casing (15) and discharge seat (23)
Bearing block, wherein final stage blower inlet casing (15) is connected with the head end of adapter one (16), the end of adapter one (16) and intermediate bearing
Seat (18) is connected, and in first, spindle bearing (18-1) is connected with the head end of adapter two (20)；The end of adapter two (20) with
Second middle bearing bracket (18-2) is connected, and the second middle bearing bracket (18-2) is connected with the head end of adapter three (22)；Adapter
End and the 3rd middle bearing bracket (18-3) of three (22) are connected, the 3rd middle bearing bracket (18-3) and discharge seat (23) phase
Connect.
3. a kind of three generations's million kilowatt described in claim 1 and gigawatt dilatation level nuclear power generating sets condensate pump, its
Feature is: install integrated mechanical sealing (31) between power transmission shaft (35) and discharge seat (27).
4. a kind of three generations's million kilowatt described in claim 1 and gigawatt dilatation level nuclear power generating sets condensate pump, its
Feature is: the inwall of cylinder (1) with twice backplate, the i.e. first backplate (36) and the second backplate (37).
5. a kind of three generations's million kilowatt described in claim 1 and gigawatt dilatation level nuclear power generating sets condensate pump, its
Feature is: discharge seat (23) is connected with supporting seat (33), and supports seat (33) and motor support base (34) is connected, at support seat
(33) and connect and parts of bearings (32) in the middle of motor support base (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525221.5U CN205841221U (en) | 2016-06-02 | 2016-06-02 | Three generations's million kilowatt and gigawatt dilatation level nuclear power generating sets condensate pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525221.5U CN205841221U (en) | 2016-06-02 | 2016-06-02 | Three generations's million kilowatt and gigawatt dilatation level nuclear power generating sets condensate pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841221U true CN205841221U (en) | 2016-12-28 |
Family
ID=57623453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620525221.5U Expired - Fee Related CN205841221U (en) | 2016-06-02 | 2016-06-02 | Three generations's million kilowatt and gigawatt dilatation level nuclear power generating sets condensate pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915414A (en) * | 2019-03-19 | 2019-06-21 | 江苏飞跃机泵集团有限公司 | A kind of effluent seat of pump for liquid salts |
| CN109973398A (en) * | 2019-03-21 | 2019-07-05 | 陕西科技大学 | A kind of combined type condensate pump |
-
2016
- 2016-06-02 CN CN201620525221.5U patent/CN205841221U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915414A (en) * | 2019-03-19 | 2019-06-21 | 江苏飞跃机泵集团有限公司 | A kind of effluent seat of pump for liquid salts |
| CN109973398A (en) * | 2019-03-21 | 2019-07-05 | 陕西科技大学 | A kind of combined type condensate pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |