CN104500410B - Pressure-bearing type core Structure of RCP - Google Patents
Pressure-bearing type core Structure of RCP Download PDFInfo
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- CN104500410B CN104500410B CN201410771166.3A CN201410771166A CN104500410B CN 104500410 B CN104500410 B CN 104500410B CN 201410771166 A CN201410771166 A CN 201410771166A CN 104500410 B CN104500410 B CN 104500410B
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- stator
- pressure
- rcp
- pump
- impeller
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Abstract
The present invention relates to a kind of pressure-bearing type core Structure of RCP, this core Structure of RCP is made up of stator, end socket, drainage tube, damage in impeller ring, nut, key, impeller, rotating shaft, stator wear ring, a harness fastener, kingbolt, mother nut, taperliner, motor, pressure vessel wall etc..This pressure-bearing type core main pump is capable of making reactor coolant be circulated with the flow of regulation under the driving of motor, and by steam generator, the heat that reactor core produces is passed to secondary circuit.This pump is the ingredient of reactor coolant loop pressure boundary, it is possible to ensure the structural intergrity of reactor coolant pressure boundary, can simplify the structure of whole nuclear power plant system simultaneously.
Description
Technical field: the present invention relates to a kind of pressure-bearing type core Structure of RCP.
Background technology: for satisfied different demands, International Atomic Energy Agency actively encourage development safety,
Reliably, the small-sized heap of modular of viable economically and anti-nuclear proliferation.The Nuclear Power developed country exists
While development large nuclear-power unit, the most all answer at actively research and development multipurpose modular small size back
Heap, these small-sized heaps include light water reactor, HTGR, liquid metal cooled fast neutron pile,
MSR etc..
In recent years, external a lot of nuclear power technology developed countries include the U.S., Russia, Argentina,
The states such as Korea S, Japan, South Africa are the most being devoted to research and develop that safety is good, have an economic competitiveness again
Middle-size and small-size multipurpose reactor, be mainly used in generating, also can take into account thermoelectricity, water power alliance with
And other specific use etc., a part of middle-size and small-size reactor has been enter into the engineering research stage.Abroad
Such pump drives to maturity stage the soonest in recent years.A lot of nuclear power technology developed countries are devoted to
Research and develop the middle-size and small-size multipurpose reactor that safety is good, have again economic competitiveness.
At present, single development coastal large nuclear-power unit can not adapt to the application of nuclear energy wide model completely
Requirement.In terms of the nuclear power market demand, the supply of electric power of developed country and medium-developed country is
Tend to saturated.Following nuclear power demand will gradually transfer to the developing countries and energy shortage
Country and hinterland, these countries and regions by geographical position, geology, meteorology, water source,
Economic capability and the restriction of net capacity, be not suitable for building large nuclear-power unit.And small-sized heap
Design object also focuses on the generation from the former upper elimination accident of root, eliminates primary Ioops main pipeline,
Thus eliminate reactor cooling system loss of-coolant accident (LOCA), and can effectively exist when running into emergency episode
Reduce off site emergency measure and human intervention.At present, due to this small-sized used by nuclear reactor core main pump
Technology the most still belongs to blank, thus Small nuclear power plant pressure-bearing type be directly positioned on pressure vessel wall
On core main pump technology be more missing from.
Summary of the invention: it is an object of the invention to provide a kind of simple in construction, stable performance, can
Lean on, a kind of applicable Small nuclear power plant of safety designs the pressure-bearing type core Structure of RCP required.This
Bright technical scheme is: a kind of pressure-bearing type core Structure of RCP: the porch of pump is provided with and draws
Flow tube (3), drainage tube is fixed on stator (1)；Damage in impeller ring (4) is fixed on drain
On pipe (3), stator wear ring (9) is fixed on stator (1)；Impeller (7) leans on key (6)
It is arranged in rotating shaft (8), and by nut (5), impeller (7) is fixed on axle (8)；
Together with stator (1) puts together on motor (14), stator near water side bottom use
End socket (2) seals；Motor (14) passes through kingbolt (13), mother nut (11), wedge shape
Pad (12) is fixed on pressure vessel wall (15).
The work process of the present invention is: motor (14) impeller (7) rotates, impeller (7)
By intrasystem medium after the drainage tube (3) of pump imports, increase through impeller (7) rotational energy
After adding, medium is after stator (1) water conservancy diversion, then the outlet on stator (1) is discharged to pump
In outer tubing.
The technological merit of the present invention is:
1, the core main pump of the present invention does not has special pump case, and stator simultaneously works as taking into account pump case
Effect.Because this small cores reactor eliminates the main pipeline of primary Ioops, save modular small
The space of nuclear reactor pressure container, also saves material simultaneously for for core main pump.
2, the core main pump of the present invention is the ingredient of reactor coolant loop pressure boundary,
Ensure that the integrity of reactor coolant pressure boundary system structure.
3, the core main pump of the present invention is by after separately installed to pump portion and driving means completing, then
Overall is inserted in pressure vessel, installs and keep in repair convenient, and the withdrawal space is little.
4, the core Structure of RCP feature of the present invention is the cylinder that delivery side of pump is opened in stator cylinder side
On wall.
Accompanying drawing illustrates:
Fig. 1 is one core Structure of RCP schematic diagram of the present invention
Detailed description of the invention:
As shown in Figure 1: a kind of pressure-bearing type core Structure of RCP, stator 1 is put together on motor 14
Insulator on, stator wear ring 9 is fixed on stator 1 simultaneously；By impeller 7 by key 6
It is positioned in the rotating shaft 8 of motor, by nut 5, impeller 7 is fixed in the rotating shaft 8 of motor；
Damage in impeller ring 4 is first fixed on drainage tube 3, then is fixed on by drainage tube on stator 1；Lead
Leaf 1 near water side bottom use end socket 2 seal；Motor 14 by kingbolt 13,
Mother nut 11, taperliner 12 are fixed on pressure vessel wall 15.Drainage tube 3 is as pump
Entrance, can make corresponding amendment according to different requirement the in power station in porch.Motor 14 rotates
Impeller 7 rotates, by intrasystem medium after the drainage tube 3 of pump imports, through impeller 7
After rotation energy increase after, medium again after stator 1 water conservancy diversion, the water outlet of the pump on stator 1
Mouth is discharged in the tubing outside pump.
The outlet of pump is positioned on stator 1, and the outlet of pump and stator 1 are an overall structure.
Claims (2)
1. a pressure-bearing type core Structure of RCP, is characterized in that: the porch of pump is provided with one
Drainage tube (3), drainage tube is fixed on stator (1)；Damage in impeller ring (4) is fixed on
On drainage tube (3), stator wear ring (9) is fixed on stator (1)；Impeller (7)
It is arranged in rotating shaft (8) by key (6), and by nut (5), impeller (7) is fixed
On axle (8)；Together with stator (1) puts together on motor (14), stator is near water outlet
The bottom of end uses end socket (2) to seal；Motor (14) passes through kingbolt (13), main spiral shell
Female (11), taperliner (12) are fixed on pressure vessel wall (15).
A kind of pressure-bearing type core Structure of RCP the most according to claim 1, is characterized in that:
The outlet of pump is positioned on stator (1), and the outlet of pump and stator (1) are an entirety
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771166.3A CN104500410B (en) | 2014-12-15 | 2014-12-15 | Pressure-bearing type core Structure of RCP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771166.3A CN104500410B (en) | 2014-12-15 | 2014-12-15 | Pressure-bearing type core Structure of RCP |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500410A CN104500410A (en) | 2015-04-08 |
| CN104500410B true CN104500410B (en) | 2016-08-24 |
Family
ID=52941845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410771166.3A Active CN104500410B (en) | 2014-12-15 | 2014-12-15 | Pressure-bearing type core Structure of RCP |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500410B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735062A (en) * | 2017-04-14 | 2018-11-02 | 江苏核电有限公司 | A kind of reactor coolant pump kingbolt stretching simulator |
| CN109026850A (en) * | 2018-08-17 | 2018-12-18 | 沈阳鼓风机集团申蓝机械有限公司 | A kind of reactor coolant pump damping alloy kingbolt component |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073335A (en) * | 1990-07-10 | 1991-12-17 | General Electric Company | Bwr turbopump recirculation system |
| CN203847399U (en) * | 2014-05-23 | 2014-09-24 | 哈尔滨电气动力装备有限公司 | Main pump structure for small nuclear power plant |
| CN203962425U (en) * | 2014-07-24 | 2014-11-26 | 沈阳鼓风机集团申蓝机械有限公司 | Reactor coolant pump hydraulic model |
| CN204357718U (en) * | 2014-12-15 | 2015-05-27 | 哈尔滨电气动力装备有限公司 | Transverse core Structure of RCP |
-
2014
- 2014-12-15 CN CN201410771166.3A patent/CN104500410B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073335A (en) * | 1990-07-10 | 1991-12-17 | General Electric Company | Bwr turbopump recirculation system |
| CN203847399U (en) * | 2014-05-23 | 2014-09-24 | 哈尔滨电气动力装备有限公司 | Main pump structure for small nuclear power plant |
| CN203962425U (en) * | 2014-07-24 | 2014-11-26 | 沈阳鼓风机集团申蓝机械有限公司 | Reactor coolant pump hydraulic model |
| CN204357718U (en) * | 2014-12-15 | 2015-05-27 | 哈尔滨电气动力装备有限公司 | Transverse core Structure of RCP |
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| Publication number | Publication date |
|---|---|
| CN104500410A (en) | 2015-04-08 |
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