CN207134146U - A kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump - Google Patents
A kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump Download PDFInfo
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- CN207134146U CN207134146U CN201721196857.0U CN201721196857U CN207134146U CN 207134146 U CN207134146 U CN 207134146U CN 201721196857 U CN201721196857 U CN 201721196857U CN 207134146 U CN207134146 U CN 207134146U
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- main pump
- shunt assembly
- inner sleeve
- pump adapter
- core barrel
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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
The utility model discloses a kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump, including core barrel component, pressure vessel, shunt assembly in heap, main pump takes over and inner sleeve, ring cavity is formed between core barrel component and pressure vessel, main pump adapter is fixed with the one end of pressure vessel away from core barrel component, main pump adapter connects with ring cavity, gap be present between the inwall of outer wall and the main pump adapter of inner sleeve, main pump adapter is stretched out after inner sleeve bending and is arranged in ring cavity, and shunt assembly is fixed with core barrel component and main pump adapter simultaneously in heap.The structure solves modularization reactor pressure-bearing type main pump inlet and outlet runner and establishes problem, flow passage structure is imported and exported by clear and definite pressure-bearing type main pump, optimize the flow field in reactor pressure vessel, the hydraulic part design of structure design and pressure-bearing type main pump for reactor pressure vessel provides foundation, cancel main pipeline to realize, eliminate the hidden danger of pipeline cut.
Description
Technical field
Nuclear industry field is the utility model is related to, in particular it relates to a kind of sleeve pipe of modularization reactor pressure-bearing type main pump
Formula flow passage structure.
Background technology
Conventional nuclear-energy plant reactor coolant loop uses dispersed placement pattern, steam generator, reactor coolant
Pump (main pump) is arranged in outside reactor pressure vessel, connects to form circulation loop by main pipeline between above-mentioned each equipment, main
Pump uses the conventional flow passage structure such as the scroll casing type pump housing or the torispherical pump housing, from main pipeline axially suction, radially discharge.In order to eliminate
Primary pipe rupture's accident under the specific conditions such as earthquake, while space needed for arrangement is reduced, modularization reactor employs built-in
Formula steam generator, pressure-bearing type main pump, steam generator, main pump hydraulic part are installed on inside reactor pressure vessel, no
Main pipeline is set, and such scheme main pump can not use the conventional flow passage structure of the scroll casing type pump housing or the torispherical pump housing, and exist
The hidden danger of pipeline cut.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of bushing type of modularization reactor pressure-bearing type main pump
Flow passage structure, the structure are applied to solution modularization reactor pressure-bearing type main pump inlet and outlet runner and establish problem, pass through clearly horizontal
Formula main pump inlet and outlet flow passage structure is put, the flow field in reactor pressure vessel can be optimized, is the structure of reactor pressure vessel
The design of the hydraulic part of design and pressure-bearing type main pump provides foundation, to realize cancellation main pipeline, eliminates the hidden danger of pipeline cut.
The technical scheme in the invention for solving the above technical problem is：A kind of modularization reactor pressure-bearing type main pump
Shunt assembly, main pump adapter and inner sleeve, described in bushing type flow passage structure, including core barrel component, pressure vessel, heap
Ring cavity is formed between core barrel component and pressure vessel, main pump adapter is fixed on one of pressure vessel away from core barrel component
On end, and main pump adapter is connected with ring cavity, and inner sleeve one end is arranged in main pump adapter, and the outer wall of inner sleeve and main pump connect
Gap between the inwall of pipe be present, main pump adapter is stretched out after inner sleeve bending and is arranged in ring cavity, shunt assembly is set in heap
In ring cavity, and shunt assembly is arranged between core barrel component and main pump adapter in heap, and shunt assembly is simultaneously in heap
Fixed with core barrel component and main pump adapter.In the technical program, the inlet and outlet of main pump are concentric bilayer sleeve pipe, the suction of main pump
Entrance for bilayer sleeve main pump adapter inner sleeve between ring cavity, reactor coolant in the presence of main pump hydraulic part,
Discharged along the ring cavity after 180 ° are turned round, outlet is main pump inner sleeve.This kind of structure can while performance requirement is met
Pressure-bearing type shielding main pump hydraulic part is placed in inside reactor pressure vessel, to realize cancellation main pipeline, eliminates pipeline cut
Hidden danger.
Shunt assembly includes shunt assembly upper spacer and shunt assembly lower clapboard in heap, and shunt assembly upper spacer is arranged on point
The surface of component lower clapboard is flowed, inner sleeve is arranged between shunt assembly upper spacer and shunt assembly lower clapboard, shunt assembly
Upper spacer and shunt assembly lower clapboard are fixed with core barrel component and main pump adapter；Shunt assembly upper spacer and shunt assembly
Through hole is provided with lower clapboard, one end that inner sleeve stretches out main pump adapter is logical on shunt assembly lower clapboard through being arranged on
Hole；The center line of center line and the main pump adapter of pressure vessel overlaps, and inner sleeve is arranged on the center of one end in main pump adapter
The coincidence of line and the center line of main pump adapter.Through hole on shunt assembly upper spacer and shunt assembly lower clapboard is as interior respectively
Steam generator and the passage of inner sleeve docking are put, is easy to passing through for air-flow.
To sum up, the beneficial effects of the utility model are：The structure solves modularization reactor pressure-bearing type main pump inlet and outlet stream
Problem is established in road, is imported and exported flow passage structure by clear and definite pressure-bearing type main pump, is optimized the flow field in reactor pressure vessel, be anti-
The structure design of core pressure vessel and the hydraulic part design of pressure-bearing type main pump is answered to provide foundation, to realize cancellation main pipeline,
Eliminate the hidden danger of pipeline cut.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing：1-pressure vessel；2-built-in steam generator；3-reactor core is hung
Basket assembly；4-shunt assembly upper spacer；5-inner sleeve；6-main pump is taken over；7-main pump motor；8-hydraulic part；9-point
Flow component lower clapboard.
Embodiment
With reference to embodiment and accompanying drawing, make detailed description further to the utility model, but it is of the present utility model
Embodiment not limited to this.
Embodiment 1：
As described in Figure 1, a kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump, including core barrel component
3rd, pressure vessel 1, shunt assembly, main pump adapter 6 and inner sleeve 5 in heap, the core barrel component 3 and pressure vessel 1 it
Between form ring cavity, main pump adapter 6 is fixed on the one end of pressure vessel 1 away from core barrel component 3, and main pump adapter 6 and ring
Chamber is connected, and the one end of inner sleeve 5 is arranged in main pump adapter 6, and is deposited between the outer wall of inner sleeve 5 and the inwall of main pump adapter 6
In gap, inner sleeve 5 stretches out main pump adapter 6 and is arranged in ring cavity after bending, shunt assembly is arranged in ring cavity in heap, and
Shunt assembly is arranged between core barrel component 3 and main pump adapter 6 in heap, and in heap shunt assembly simultaneously with core barrel group
Part 3 and main pump adapter 6 are fixed.Main pump motor 7 is connected by flange with main pump adapter 6, and hydraulic part is provided with main pump adapter 6
8, hydraulic part 8 connects with inner sleeve 5.Built-in steam generator 2 is arranged between core barrel component 3 and pressure vessel 1
Ring cavity, the outlet of built-in steam generator 2 is positioned at the top of shunt assembly upper baffle plate 4 in heap.The inlet and outlet of main pump are concentric
Bilayer sleeve, the suction inlet of main pump are the ring cavity between the main pump adapter 6 of bilayer sleeve and inner sleeve 5, and outlet is main pump inner sleeve
Pipe 5.Reactor coolant is discharged into by under shunt assembly upper spacer 4 and shunt assembly from the outlet of built-in steam generator 2
The ring cavity formed between dividing plate 9.In the presence of main pump hydraulic part 8, the reactor coolant pumped is from the He of main pump adapter 6
Ring cavity between inner sleeve 5 is radially sucked after 180 ° of turns of inlet guide vane by impeller, then is axially discharged to through exit guide blade
In the inner sleeve 5 of bilayer sleeve.Inner sleeve 5 is formed with shunt assembly lower clapboard 9 with pressure vessel 1 and core barrel component 3
Lower chamber connects, and forms the discharge runner of main pump.The utility model solves modularization reactor pressure-bearing type main pump inlet and outlet stream
Problem is established in road, is imported and exported flow passage structure by clear and definite pressure-bearing type main pump, is optimized the flow field in reactor pressure vessel, be anti-
The structure design of core pressure vessel and the hydraulic part design of pressure-bearing type main pump is answered to provide foundation.
Embodiment 2：
As shown in figure 1, on the basis of embodiment 1, shunt assembly includes shunt assembly upper spacer 4 and shunt assembly in heap
Lower clapboard 9, shunt assembly upper spacer 4 are arranged on the surface of shunt assembly lower clapboard 9, and inner sleeve 5 is arranged on shunt assembly
Between dividing plate 4 and shunt assembly lower clapboard 9, shunt assembly upper spacer 4 and shunt assembly lower clapboard 9 with core barrel component 3
Fixed with main pump adapter 6；Through hole is provided with shunt assembly upper spacer 4 and shunt assembly lower clapboard 9, inner sleeve 5 stretches out master
One end of pump adapter 6 passes through the through hole being arranged on shunt assembly lower clapboard 9.The outlet of built-in steam generator 2 and shunt group
Through hole on part upper spacer 4 is coordinated, and reactor coolant is incorporated into shunt assembly upper spacer 4 and shunt assembly lower clapboard
In cavity between 9 so that air-flow can be inhaled into along the gap between the outer wall and the inwall of main pump adapter 6 of inner sleeve 5
It is operated in corresponding part.
In order that the pressure of air-flow and flow velocity etc. can keep stable, it is necessary to keep pressure vessel 1 during winner's pump work
Center line and the center line of main pump adapter 6 overlap, and the center line and main pump of one end that inner sleeve 5 is arranged in main pump adapter 6 connect
The coincidence of the center line of pipe 6.
As described above, it can preferably realize the utility model.
Claims (4)
1. a kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump, including core barrel component (3), pressure vessel
(1), shunt assembly, main pump adapter (6) and inner sleeve (5) in heap, it is characterised in that the core barrel component (3) and pressure
Ring cavity is formed between force container (1), main pump adapter (6) is fixed on the one end of pressure vessel (1) away from core barrel component (3)
On, and main pump adapter (6) connects with ring cavity, inner sleeve (5) one end is arranged in main pump adapter (6), and inner sleeve (5) is outer
Gap between wall and the inwall of main pump adapter (6) be present, stretch out main pump adapter (6) after inner sleeve (5) bending and be arranged on ring cavity
In, shunt assembly is arranged in ring cavity in heap, and shunt assembly is arranged on core barrel component (3) and main pump adapter in heap
(6) between, and shunt assembly is simultaneously fixed with core barrel component (3) and main pump adapter (6) in heap.
2. a kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump according to claim 1, its feature exist
In shunt assembly includes shunt assembly upper spacer (4) and shunt assembly lower clapboard (9), shunt assembly upper spacer (4) in the heap
The surface of shunt assembly lower clapboard (9) is arranged on, inner sleeve (5) is arranged under shunt assembly upper spacer (4) and shunt assembly
Between dividing plate (9), shunt assembly upper spacer (4) and shunt assembly lower clapboard (9) are taken over core barrel component (3) and main pump
(6) it is fixed.
3. a kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump according to claim 2, its feature exist
In being provided with through hole on the shunt assembly upper spacer (4) and shunt assembly lower clapboard (9), inner sleeve (5) stretches out main pump and connect
One end of pipe (6) passes through the through hole being arranged on shunt assembly lower clapboard (9).
4. a kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump according to claim 1, its feature exist
In the center line of center line and the main pump adapter (6) of the pressure vessel (1) overlaps, and inner sleeve (5) is arranged on main pump adapter
(6) coincidence of the center line of center line and the main pump adapter (6) of one end in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196857.0U CN207134146U (en) | 2017-09-19 | 2017-09-19 | A kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196857.0U CN207134146U (en) | 2017-09-19 | 2017-09-19 | A kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump |
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| CN207134146U true CN207134146U (en) | 2018-03-23 |
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| CN201721196857.0U Active CN207134146U (en) | 2017-09-19 | 2017-09-19 | A kind of bushing type flow passage structure of modularization reactor pressure-bearing type main pump |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648839A (en) * | 2018-05-14 | 2018-10-12 | 中国核动力研究设计院 | The flow passage system of integral type nuclear reactor pressure-bearing type main pump |
| CN108899101A (en) * | 2018-07-20 | 2018-11-27 | 中广核研究院有限公司 | A kind of small-sized heap primary Ioops main equipment structure of compact of bilayer sleeve connection |
| CN109340184A (en) * | 2018-09-21 | 2019-02-15 | 中广核研究院有限公司 | A kind of nuclear reactor coolant pump and its anti-backflow pump shell structure |
| CN109340183A (en) * | 2018-09-21 | 2019-02-15 | 中广核研究院有限公司 | A kind of nuclear reactor coolant pump and its pump shell structure |
| CN110136849A (en) * | 2019-05-17 | 2019-08-16 | 中广核研究院有限公司 | A kind of reactor body construction of the nuclear steam supply system with double-layer sleeve structure |
-
2017
- 2017-09-19 CN CN201721196857.0U patent/CN207134146U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648839A (en) * | 2018-05-14 | 2018-10-12 | 中国核动力研究设计院 | The flow passage system of integral type nuclear reactor pressure-bearing type main pump |
| CN108899101A (en) * | 2018-07-20 | 2018-11-27 | 中广核研究院有限公司 | A kind of small-sized heap primary Ioops main equipment structure of compact of bilayer sleeve connection |
| CN109340184A (en) * | 2018-09-21 | 2019-02-15 | 中广核研究院有限公司 | A kind of nuclear reactor coolant pump and its anti-backflow pump shell structure |
| CN109340183A (en) * | 2018-09-21 | 2019-02-15 | 中广核研究院有限公司 | A kind of nuclear reactor coolant pump and its pump shell structure |
| CN110136849A (en) * | 2019-05-17 | 2019-08-16 | 中广核研究院有限公司 | A kind of reactor body construction of the nuclear steam supply system with double-layer sleeve structure |
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