CN108899101A - A kind of small-sized heap primary Ioops main equipment structure of compact of bilayer sleeve connection - Google Patents
A kind of small-sized heap primary Ioops main equipment structure of compact of bilayer sleeve connection Download PDFInfo
- Publication number
- CN108899101A CN108899101A CN201810799957.5A CN201810799957A CN108899101A CN 108899101 A CN108899101 A CN 108899101A CN 201810799957 A CN201810799957 A CN 201810799957A CN 108899101 A CN108899101 A CN 108899101A
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- China
- Prior art keywords
- bilayer sleeve
- compact
- steam generator
- small
- primary ioops
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
- G21C15/14—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from headers; from joints in ducts
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/02—Arrangements of auxiliary equipment
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention provides a kind of small-sized heap primary Ioops main equipment structure of compact of bilayer sleeve connection, including reaction reator body, steam generator, main pump and voltage-stablizer, wherein the steam generator and the main pump one loop of composition and being connected to and described reacting reator body.The reaction reator body is connect with the steam generator by the first bilayer sleeve, the steam generator is connect by the second bilayer sleeve with the main pump, wherein first bilayer sleeve and second bilayer sleeve are respectively formed there are two the runner mutually completely cut off, and coolant circulates in the reactor, the steam generator and the main pump through first bilayer sleeve with second bilayer sleeve.The present invention has the advantages that compact-sized, occupied space is few, highly-safe.
Description
Technical field
The present invention relates to technical field of nuclear power, more particularly to a kind of small-sized heap primary Ioops of compact of bilayer sleeve connection
Main equipment structure.
Background technique
Primary Ioops main equipment is nuclear power unit reactor coolant loop important composition equipment, existing primary Ioops main equipment
Main includes the equipment such as reaction reator body, steam generator, main pump and voltage-stablizer, these equipment are connected by main pipeline and formed
Loop structure, wherein the pressure vessel of reactor is connected with steam generator by hot pipe section, and in one of hot pipe section
It is connected with voltage-stablizer, to adjust and maintain the pressure of primary Ioops；The water outlet of main pump is connect by cold tube section with pressure vessel, is entered
The mouth of a river is connect by changeover portion with steam generator.In this way, along the loop structure, the coolant of reacted heap heating is by reactor
After the thermal energy of interior generation is sent to steam generator, reactor is sent back into main pump, then by main pump, is moved in circles.
However, existing primary Ioops main equipment connects each equipment to form loop structure, so that whole system using main pipeline
Occupied space is larger, can not be suitable for the limited installation spaces such as cabin, and the probability that large break accident occurs is higher, it is difficult to meet
The requirement of ship use environment.
Summary of the invention
The technical problem to be solved in the present invention is that In view of the above shortcomings of the prior art, it is tight to provide a kind of structure
It gathers, occupied space is few and can be improved the small-sized heap primary Ioops main equipment knot of compact of the bilayer sleeve connection of safety in utilization
Structure.
The compact that the technical solution adopted by the present invention to solve the technical problems is to provide a kind of bilayer sleeve connection is small
Type heap primary Ioops main equipment structure, including reaction reator body, steam generator, main pump and voltage-stablizer, wherein the steam generation
Device and the main pump constitute a loop and are connected to the reactor, and the reactor and the steam generator pass through first pair
Layer casing connection, the steam generator are connect by the second bilayer sleeve with the main pump, wherein first bilayer sleeve and
Second bilayer sleeve is respectively formed there are two the runner mutually completely cut off, and coolant is through first bilayer sleeve and described second pair
Layer casing circulates in the reactor, the steam generator and the main pump.
Preferably, first bilayer sleeve includes the first inner tube and the first outer tube for being sheathed on first inner tube periphery,
First runner is formed in first inner tube, forms second flow channel between first inner tube and first outer tube, described the
One runner mutually completely cuts off with the second flow channel；Second bilayer sleeve includes the second inner tube and is sheathed on outside second inner tube
The second outer tube enclosed forms third flow channel in second inner tube, and the is formed between second inner tube and second outer tube
Four runners, the 4th runner mutually completely cut off with the third flow channel；The coolant is by the reactor through described first-class
Road enters the steam generator, enters the main pump through the 4th runner by the steam generator, then by the main pump
The reactor is sent back to through the third flow channel, the second flow channel.
Preferably, being equipped with ring cavity in the steam generator, which connects the second flow channel and the third flow channel,
So that the coolant sends the reaction back to through the third flow channel, the ring cavity and the second flow channel by the main pump
Heap.
Preferably, first outer tube is the pipe of the ozzle and the steam generator by the pressure vessel of the reactor
Mouth butt welding is formed by connecting, first inner tube be removably attachable to the reactor in-pile component and the steam generation
Device.
Preferably, first inner tube is to be docked by multistage stainless steel tube, and be equipped at adjacent stainless steel tube docking
Sealing structure.
Preferably, second outer tube be connect by the ozzle of the steam generator with the ozzle butt welding of the main pump and
At second inner tube is removably attachable to the steam generator and the main pump.
Preferably, second inner tube is to be docked by multistage stainless steel tube, and be equipped at adjacent stainless steel tube docking
Sealing structure.
Preferably, the small-sized heap primary Ioops main equipment of compact that the bilayer sleeve connects, which is characterized in that described two
Platform steam generator is arranged symmetrically about reactor pressure vessel, the reaction reator body, the steam generator and the master
It is arranged between pump three at 90 degree to 180 degree angle.
Preferably, the voltage-stablizer is connected to the steam generator through Surge line piping.
Preferably, the small-sized heap primary Ioops main equipment of compact of the bilayer sleeve connection includes at least two loops,
At least two loop is all connected to the reactor, and each loop includes a steam generator and a main pump.
Preferably, small-sized loop of heap primary Ioops main equipment at least two of compact of the bilayer sleeve connection, this two
A loop is in a center of symmetry about the reactor.
Preferably, the small-sized heap primary Ioops main equipment of compact of the bilayer sleeve connection further includes voltage-stablizer, the pressure stabilizing
Device is connected to the loop at least two loop.
Preferably, the voltage-stablizer is connected to the steam generator in respective loops through Surge line piping.
Preferably, the voltage-stablizer uses steam pressure stabilizing.
Preferably, the steam generator is helix tube type once through steam generator.
Preferably, the secondary circuit water supply in the steam generator uses forced circulation mode, superheated steam is generated.
The present invention connects reaction reator body, steam generator, main pump by bilayer sleeve, realizes coolant in bilayer sleeve
Circulating in the small-sized heap primary Ioops main equipment of the compact of connection, without using long main pipeline, not only makes double braid covering
Pipe connection the small-sized heap primary Ioops main equipment of compact it is compact-sized, save space, be also avoided that using pipeline connect disadvantage
The pipeline flow resistance etc. that pipeline whipping, pipeline connection after holding pipeline break generate, reduces and large break probability occurs, to mention
High security.Also therefore the present invention is suitable for the limited installation spaces such as cabin, also meets ship use environment（Such as marine environment）
Requirement, thus be suitable for ship.In addition, at least two loop can be symmetrical when the present invention uses at least two loops
Setting, with cramped construction and modularization installation of being more convenient for.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection of the present invention.
Fig. 2 is the section of the first bilayer sleeve of the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection of the present invention
Structural schematic diagram.
Fig. 3 is the small-sized heap reactor coolant primary Ioops runner schematic diagram of compact of bilayer sleeve connection of the present invention.
Specific embodiment
As shown in Figure 1, the small-sized heap primary Ioops main equipment of compact that the bilayer sleeve of a preferred embodiment of the present invention connects
Including reacting reator body 10, being connected at least two loops 20 and voltage-stablizer 30 of the reaction reator body 10, wherein voltage-stablizer
30 are connected to any loop 20 at least two loops 20, to adjust and maintain reactor 10 and two loops 20 to constitute
Pressure in primary Ioops.
In some instances, wherein two loops 20 can be at being symmetrical arranged, and each loop 20 includes steaming in the present embodiment
Vapour generator 21 and main pump 22, wherein steam generator 21 connects reactor 10 through the first bilayer sleeve 23, and through the second bilayer
Casing 24 connects main pump 22.Respectively there are two the streams mutually completely cut off for formation for first bilayer sleeve 23 and second bilayer sleeve 24
Road, so that coolant can be through first bilayer sleeve 23 and the second bilayer sleeve 24 in reactor 10, steam generator 21
And it is circulated in main pump 22.
Because the first bilayer sleeve 23 and the second bilayer sleeve 24 have same structure, herein first in conjunction with Fig. 2 with the
It is illustrated for pair of lamina casing 23.As shown in Fig. 2, the first bilayer sleeve 23 include the first inner tube 231 and be sheathed on this
First outer tube 232 of one inner tube, 231 periphery, first inner tube 231 is interior to form first runner 2311, the first inner tube 231 and first
Second flow channel 2321 is formed between outer tube 232, first runner 2311 and second flow channel 2321 mutually completely cut off.In the present embodiment,
First outer tube 232 is formed by connecting by the ozzle 11 of the pressure vessel of reactor 10 and 211 butt welding of ozzle of steam generator 21；
First inner tube 231 is then removably attached to in-pile component 12 such as hanging basket and the steam generator 21 of reactor 10, in order to
Detachable maintaining replacement.Optionally, which is docked by multistage stainless steel tube, and at adjacent stainless steel tube docking
Equipped with sealing structure, to reduce the bleeder stream at docking.
Similarly, the second bilayer sleeve 24 includes the second inner tube and the second outer tube for being sheathed on second inner tube periphery, is somebody's turn to do
Third flow channel 2411 is formed in second inner tube, and the 4th runner 2421, the 4th runner are formed between the second inner tube and the second outer tube
2421 mutually completely cut off with third flow channel 2411.In the present embodiment, the second outer tube is the ozzle and main pump by steam generator 21
22 ozzle butt welding is formed by connecting；Second inner tube is then removably attached to steam generator 21 and main pump 22.Optionally, should
Second inner tube is docked by multistage stainless steel tube, and sealing structure is equipped at adjacent stainless steel tube docking.
Ring cavity 211 is further provided in steam generator 21, which connects second flow channel 2321 and third flow channel 2411,
So that coolant is able to send reactor 10 back to through third flow channel 2411, ring cavity and second flow channel 2321 by main pump 22.
Voltage-stablizer 30 is connected directly to the steam generator 21 of a respective loops 20 through Surge line piping 31.The voltage-stablizer 30 can be
Liquid pressure stabilizer adjusts the water capacity in voltage-stablizer by electrical heating elements and fog-spray nozzle that is, by the way of steam pressure stabilizing
And air space, realize that the pressure of primary Ioops is adjusted
When operation, in the coolant being heated in reactor 10, the first runner 2311 through the first bilayer sleeve 23 is by reactor
10 enter steam generators 21, generate steam using thermal energy brought by it for steam generator 21；Coolant is in steam generation
The 4th runner 2421 through the second bilayer sleeve 24 is by the entrance main pump 22 of steam generator 21 after discharging thermal energy in device 21, by main pump
The ring cavity 211 and the first bilayer sleeve of 22 pressurizations and the third flow channel 2411 through the second bilayer sleeve 24, steam generator 21
23 second flow channel 2321 sends reactor 10 back to.Coolant is able in reactor 10, steam generator 21 and main pump 22 as a result,
In circulate, the thermal energy that reactor 10 generates is constantly sent to steam generator 21.And voltage-stablizer 30 is then in the operation
The pressure in the circulation loop is adjusted and maintained in journey.
In this way, the present invention realizes the small-sized heap primary Ioops master of compact that coolant is connected in bilayer sleeve using bilayer sleeve
Circulating in equipment is not only able to realize the small-sized heap primary Ioops of compact of bilayer sleeve connection without using pipeline
The compact Layout of main equipment saves space, improves heat exchange efficiency, is also avoided that the drawbacks of connecting using pipeline such as pipeline break
The pipeline flow resistance etc. that pipeline whipping afterwards, pipeline connection generate, reduces and large break probability occurs, to improve safety.Also by
In the structure setting that the present invention is compact, occupied space is few, is suitable for the limited installation spaces such as cabin, connects and mentions without pipeline
High security performance, also meets ship use environment（Such as marine environment）Requirement, therefore bilayer sleeve of the present invention connect
The small-sized heap primary Ioops main equipment structure of compact can be suitable for ship.
And on the basis of this, it is a kind of about the arrangement between reaction reator body 10, steam generator 21, main pump 22
Optional embodiment is to be arranged between reaction reator body 10,22 three of steam generator 21 and main pump at 90 degree to 180 jiaos, example
As being in one embodiment 120 degree angles, i.e., the line between steam generator 21 and reactor 10 and steam generator 21 and
120 degree of angles are wired between main pump 22, are required as shown in Figure 1, such setting can satisfy cabin arrangement.However, this hair
It is bright to be not limited to this, other arrangements can be used, also to be adapted to different application demands.
It further, is compact-sized, the steam hair for the small-sized heap primary Ioops main equipment of compact for connecting bilayer sleeve
Helix tube type once through steam generator can be used in raw device 21, compact-sized, and heat exchange efficiency is high.
It should be noted that being set in the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection in above-described embodiment
There are two loops, but the present invention is not limited thereto, is equally applicable in the design of loop or more；And loop is also
It is not limited to center symmetric setting.
The foregoing is merely presently preferred embodiments of the present invention, the scope of the claims being not intended to limit the invention, therefore
It is all other without departing from the equivalent change or modification completed under disclosed spirit, it is intended to be limited solely by right of the invention
In claimed range.
Claims (15)
1. a kind of small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection, including reaction reator body, steam generator, master
Pump and voltage-stablizer, wherein the steam generator and the main pump constitute a loop and be connected to the reactor, feature exists
In the reactor is connect with the steam generator by the first bilayer sleeve, and the steam generator is double-deck by second
Casing is connect with the main pump, wherein first bilayer sleeve and second bilayer sleeve is respectively formed there are two the stream that mutually completely cuts off
Road, coolant through first bilayer sleeve and second bilayer sleeve in the reactor, the steam generator and
It is circulated in the main pump.
2. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as described in claim 1, which is characterized in that described
First bilayer sleeve includes the first inner tube and the first outer tube for being sheathed on first inner tube periphery, and the is formed in first inner tube
One runner forms second flow channel, the first runner and the second flow channel between first inner tube and first outer tube
Mutually isolation；Second bilayer sleeve includes the second inner tube and the second outer tube for being sheathed on second inner tube periphery, and described
Third flow channel is formed in two inner tubes, and the 4th runner, the 4th runner are formed between second inner tube and second outer tube
Mutually completely cut off with the third flow channel；The coolant enters the steam generation through the first runner by the reactor
Device enters the main pump through the 4th runner by the steam generator, then by the main pump through the third flow channel, described
Second flow channel sends the reactor back to.
3. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as claimed in claim 2, which is characterized in that described
Ring cavity is equipped in steam generator, which connects the second flow channel and the third flow channel, so that the coolant is by institute
It states main pump and sends the reactor back to through the third flow channel, the ring cavity and the second flow channel.
4. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as claimed in claim 2, which is characterized in that described
First outer tube is formed by connecting by the ozzle of the pressure vessel of the reactor and the ozzle butt welding of the steam generator, described
First inner tube is removably attachable to the reactor and the steam generator.
5. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as claimed in claim 4, which is characterized in that described
First inner tube is to be docked by multistage stainless steel tube, and sealing structure is equipped at adjacent stainless steel tube docking.
6. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as claimed in claim 2, which is characterized in that described
Second outer tube is formed by connecting by the ozzle of the steam generator and the ozzle butt welding of the main pump, and second inner tube is removable
It is connected to the steam generator and the main pump with unloading.
7. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as claimed in claim 6, which is characterized in that described
Second inner tube is to be docked by multistage stainless steel tube, and sealing structure is equipped at adjacent stainless steel tube docking.
8. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as described in claim 1, which is characterized in that described
Two steam generators are arranged symmetrically about reactor pressure vessel, the reaction reator body, the steam generator with it is described
It is arranged between main pump three at 90 degree to 180 degree angle.
9. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as described in claim 1, which is characterized in that described
Voltage-stablizer is connected to the steam generator through Surge line piping.
10. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as described in claim 1, which is characterized in that institute
The small-sized heap primary Ioops main equipment of compact for stating bilayer sleeve connection includes at least two loops, which connects
It is connected to the reactor, and each loop includes a steam generator and a main pump.
11. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as claimed in claim 10, which is characterized in that institute
The small-sized heap primary Ioops main equipment of compact for stating bilayer sleeve connection includes at least two loops.
12. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as claimed in claim 10, which is characterized in that institute
The small-sized heap primary Ioops main equipment of compact for stating bilayer sleeve connection further includes voltage-stablizer, which is connected to described at least two
A loop in a loop.
13. the small-sized heap primary Ioops main equipment of compact that the bilayer sleeve as described in claim 9,12 connects, which is characterized in that
The voltage-stablizer uses steam pressure stabilizing.
14. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as described in claim 1, which is characterized in that institute
Stating steam generator is helix tube type once through steam generator.
15. the small-sized heap primary Ioops main equipment of compact of bilayer sleeve connection as described in claim 1, which is characterized in that institute
The secondary circuit water supply in steam generator is stated using forced circulation mode, forms superheated steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799957.5A CN108899101A (en) | 2018-07-20 | 2018-07-20 | A kind of small-sized heap primary Ioops main equipment structure of compact of bilayer sleeve connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799957.5A CN108899101A (en) | 2018-07-20 | 2018-07-20 | A kind of small-sized heap primary Ioops main equipment structure of compact of bilayer sleeve connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108899101A true CN108899101A (en) | 2018-11-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810799957.5A Pending CN108899101A (en) | 2018-07-20 | 2018-07-20 | A kind of small-sized heap primary Ioops main equipment structure of compact of bilayer sleeve connection |
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| CN (1) | CN108899101A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780340A (en) * | 2019-03-15 | 2019-05-21 | 中国核动力研究设计院 | A kind of removable connection adapter piece of anti-leak for the back-shaped runner of nuclear reactor |
| 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 |
| CN114893627A (en) * | 2022-04-25 | 2022-08-12 | 中国核电工程有限公司 | Gas-cooled micro-reactor straight pipe type main pipeline |
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| 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 |
| CN114893627A (en) * | 2022-04-25 | 2022-08-12 | 中国核电工程有限公司 | Gas-cooled micro-reactor straight pipe type main pipeline |
| CN114893627B (en) * | 2022-04-25 | 2023-09-15 | 中国核电工程有限公司 | Air-cooled micro-reactor straight pipe type main pipeline |
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