CN206558225U - nuclear reactor and double-layer sleeve structure - Google Patents

nuclear reactor and double-layer sleeve structure Download PDF

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Publication number
CN206558225U
CN206558225U CN201720085237.3U CN201720085237U CN206558225U CN 206558225 U CN206558225 U CN 206558225U CN 201720085237 U CN201720085237 U CN 201720085237U CN 206558225 U CN206558225 U CN 206558225U
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CN
China
Prior art keywords
pipeline section
double
sleeve structure
layer sleeve
nuclear reactor
Prior art date
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.)
Expired - Fee Related
Application number
CN201720085237.3U
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Chinese (zh)
Inventor
沈黎
路广遥
刘青松
赵月扬
曹学冰
刘强
黄天荣
叶亮
芮旻
周国丰
袁杰
刘永康
杨珏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
Original Assignee
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China General Nuclear Power Corp, China Nuclear Power Technology Research Institute Co Ltd, CGN Power Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN201720085237.3U priority Critical patent/CN206558225U/en
Application granted granted Critical
Publication of CN206558225U publication Critical patent/CN206558225U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The utility model is related to nuclear reactor and double-layer sleeve structure, and double-layer sleeve structure includes inner tube and is set in the outer tube of inner tube periphery, and inner tube formation first passage, outer formed between outer tube of inner tube completely cuts off second channel with first passage.Double-layer sleeve structure reduces the distance between reactor each main equipment, makes small-sized pile structure compacter, is easy to the design of integrated support;The main pipeline length of primary Ioops system is greatly shortened, reduces heat loss of the Main Coolant during primary Ioops system circulation, makes primary Ioops system compacter, further, can realize that integral lifting is installed using the reactor of double-layer sleeve structure.

Description

Nuclear reactor and double-layer sleeve structure
Technical field
The utility model is related to nuclear power field, more specifically to a kind of nuclear reactor and double-layer sleeve structure.
Background technology
Nuclear power is applied as clean energy resource by extensive build.In traditional nuclear power station, such as compressed water reactor nuclear power Stand, generally include the main equipments such as pressure vessel, steam generator, main pump, voltage-stablizer.Conventionally, as nuclear power station Build place sufficient, larger, be generally attached by long pipeline between pressure vessel, steam generator, main pump, Equipment import and export is both needed to set connection ozzle.The spacing of whole equipment arrangement is larger, and pipeline is longer, so equipment occupation space It is larger.
, it is necessary to realize circulation of the Main Coolant in nuclear steam supply system by main pipeline in nuclear power station running Flowing.It is the important component for constituting reactor-loop circulatory flow.Primary Ioops Main Coolant passes through main pipeline, pressure The closed loop of the compositions such as container, steam generator, main pump forms the runner of stable smoothness, persistently takes away reactor core heat, and will Heat transfer produces the vapours needed to secondary side water.
However, the increase of the dissipation requirements with electricity consumption, the construction of large nuclear power station is gradually limited, slowly the need for More miniaturization nuclear power stations.In miniaturization nuclear power station, due to the limitation of miniaturization, if still using master between each main equipment Pipeline, the structure of connection ozzle are attached, and certainly will be caused oversized, it is impossible to applicable requirements.
Utility model content
The technical problems to be solved in the utility model is that there is provided a kind of improved nuclear reactor and double-layer sleeve structure.
The utility model solves the technical scheme that its technical problem used:A kind of double-layer sleeve structure is constructed, it is described Double-layer sleeve structure includes inner tube and is set in the outer tube of said inner tube periphery, said inner tube formation first passage, said inner tube The second channel completely cut off with the first passage is formed between outer and described outer tube.
Preferably, said inner tube includes being inserted into the first pipe spliced in the outer tube by the two ends of the outer tube respectively Seal and coordinate between section, the second pipeline section, the relative end of first pipeline section, the second pipeline section two.
Preferably, provided with the sealing mechanism sealed against each other, institute between the relative end of first pipeline section, the second pipeline section two The seal section that sealing mechanism includes being arranged on the inner end of first pipeline section is stated, the seal section set is set to second pipe Outside the inner end of section.
Preferably, the sealing mechanism also includes the sealing ring being arranged in the inner outside wall surface of second pipeline section, institute The internal face for stating sealing ring and the seal section coordinates.
Preferably, gap is left between the inner face of the inner face of second pipeline section and first pipeline section.
Preferably, the inwall of the outer tube is provided with location division, and first pipeline section, the outside wall surface of the second pipeline section are provided with It is corresponding with the location division to engage the plug division for realizing lateral register.
Preferably, the location division include axially disposed neck, the plug division include it is axially disposed with it is described The chuck that neck grafting coordinates.
Preferably, the outer tube includes the 3rd pipeline section, the 4th pipeline section, is connected after the 3rd pipeline section, the splicing of the 4th pipeline section, And the end face seal of splicing.
Preferably, the 3rd pipeline section, be equipped with the location division on the internal face of the 4th pipeline section, first pipeline section, Plug division corresponding with the location division on the 3rd pipeline section, the 4th pipeline section is respectively equipped with the outside wall surface of second pipeline section.
Preferably, the outer face of first pipeline section, which is provided with, extends laterally outward setting, the skirtboard with external connection.
Preferably, said inner tube deviates the centrally disposed of the outer tube.
Preferably, the skirtboard semicircular in shape, the skirtboard is provided with through hole corresponding with the endoporus of first pipeline section, The curved edge of the skirtboard is connected with said inner tube.
Preferably, the outer face of second pipeline section, which is provided with, is used for the flanged plate with external connection.
The utility model also constructs a kind of nuclear reactor, and the nuclear reactor includes at least two chambers, each chamber Interior, which is respectively equipped with, is connected with described double-layer sleeve structure between two cavity volumes of connection, two chambers;
The two ends of the first passage are connected with one of cavity volume of chamber described in corresponding end respectively, the second channel Two ends connected respectively with another cavity volume of chamber described in corresponding end, with two institutes at the double-layer sleeve structure two ends State and corresponding circulation loop is formed between chamber for cooling agent circulating reflux.
Preferably, the chamber includes main pump, pressure vessel and the corresponding chamber of steam generator, and the pressure holds The double-layer sleeve structure is connected between device and the steam generator;And/or,
The bilayer sleeve knot is connected between one in the main pump and the pressure vessel, the steam generator Structure;
With when the main pump provides cooling agent circulation power, in the main pump, pressure vessel and steam generator Corresponding circulating reflux is formed between each cavity volume.
Preferably, said inner tube includes being inserted into the first pipe spliced in the outer tube by the two ends of the outer tube respectively Section, the second pipeline section, the outer face of first pipeline section, which is provided with, extends laterally outward setting, the skirtboard with external connection.
Preferably, said inner tube deviates the centrally disposed of the outer tube;The skirtboard semicircular in shape, the skirtboard is provided with Through hole corresponding with the endoporus of first pipeline section, the curved edge of the skirtboard is connected with said inner tube.
Preferably, the outer face of second pipeline section, which is provided with, is used for the flanged plate with external connection.
Implement nuclear reactor of the present utility model and double-layer sleeve structure, have the advantages that:It is of the present utility model Nuclear reactor and double-layer sleeve structure reduce the distance between reactor each main equipment, make small-sized pile structure compacter, It is easy to the design of integrated support;Meanwhile, the main pipeline length of primary Ioops system is greatly shortened, Main Coolant is reduced at one time Heat loss during the system circulation of road, also makes whole primary Ioops system compacter, further, using double-layer sleeve structure Reactor can realize that integral lifting is installed, relative raft subset is in place respectively and the pattern finally welded more efficiently soon It is prompt.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation that the nuclear reactor in the utility model embodiment is connected by double-layer sleeve structure;
Fig. 2 is the diagrammatic cross-section of the double-layer sleeve structure in Fig. 1;
Fig. 3 is the internal structure schematic perspective view of the double-layer sleeve structure in Fig. 1;
Fig. 4 is the enlarged diagram of the partial view C in Fig. 3.
Embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, accompanying drawing is now compareed detailed Illustrate embodiment of the present utility model.
As shown in figure 1, the nuclear reactor in one preferred embodiment of the utility model is included in two chambers, each chamber Two cavity volumes of connection are respectively equipped with, double-layer sleeve structure 4 is connected between two chambers.Chamber can be respectively nuclear reactor Main pump 1, steam generator 2, pressure vessel 3 one of those, double-layer sleeve structure 4 allow nuclear reactor each main equipment appearance Connected between chamber.
As shown in Fig. 2 being formed with double-layer sleeve structure 4 side by side and mutually isolated first passage A, second channel B, One passage A two ends are connected with one of cavity volume of corresponding end chamber respectively, second channel B two ends respectively with corresponding end chamber Another cavity volume connection of room, is supplied with forming corresponding circulation loop between the two chambers at the two ends of double-layer sleeve structure 4 Cooling agent circulating reflux, forms circulation on whole primary Ioops.
Double-layer sleeve structure 4 is used between each main equipment of nuclear reactor, the distance between each main equipment is reduced, makes Small-sized pile structure is compacter, is easy to the design of integrated support.Meanwhile, the main pipeline length of primary Ioops system is greatly shortened, Heat loss of the Main Coolant during primary Ioops system circulation is reduced, also makes whole primary Ioops system compacter, enters one Step ground, can realize that integral lifting is installed using the reactor of double-layer sleeve structure 4, in place and last respectively with respect to raft subset The pattern of welding more efficient quick.
Double-layer sleeve structure 4 includes forming first passage in inner tube 41 and the outer tube 42 being set in outside inner tube 41, inner tube 41 Second channel B is formed between A, the outside wall surface of inner tube 41 and the internal face of outer tube 42;First passage A mutually completely cuts off with second channel B, is following In ring reflux course, it is ensured that leakage will not be produced between the passage inside and outside inner tube 41.
Preferably, inner tube 41 includes being inserted into the first pipeline section 411 of splicing in outer tube 42, the by the two ends of outer tube 42 respectively Two pipeline sections 412, seal between the first pipeline section 411,412 liang of relative ends of the second pipeline section and coordinate.The subsection setup of inner tube 41, can be with The first pipeline section 411, the second pipeline section 412 is allowed to be installed to from two ends in outer tube 42, and the first pipeline section 411, the second pipeline section 412 are by can Tear structure open with the component in outer tube 42 or neighbouring device to be connected, be easy to dismounting to overhaul.
Provided with the sealing mechanism 43 sealed against each other between first pipeline section 411,412 liang of relative ends of the second pipeline section, it is to avoid Stitching position is leaked.Sealing mechanism 43 includes the seal section 431 for being arranged on the inner end of the first pipeline section 411, seal section 431 sets are set to outside the inner end of the second pipeline section 412, and the second pipeline section 412 is inserted into seal section 431, and seal section 431 and second is managed Sealing is formed between section 412.
Further, sealing mechanism 43 also includes the sealing ring 432 being arranged in the inner outside wall surface of the second pipeline section 412, The internal face of sealing ring 432 and seal section 431 coordinates, and sealing is formed between the pipeline section 412 of seal section 431 and second.At other In embodiment, between the pipeline section 412 of seal section 431 and second also can use other sealing structures, with can guarantee that the first pipeline section 411, Inserted between second pipeline section 412 cooperation mode and inserting after sealing effectiveness.
Gap is left between the inner face of the inner face of second pipeline section 412 and the first pipeline section 411, to allow inner tube 41 in axle To the deformation in direction, thermal stress is eliminated.When the material of outer tube 42 thermal linear expansion rate than the first pipeline section 411, the second pipeline section 412 it is small When, there is an installation gap after the first pipeline section 411, the second pipeline section 412 are installed, at end joint, pipe can be met Inner tube 41 produces extra axial expansion relative to outer tube 42 under road certain temperature, and the big I in gap is any according to application scenario Regulation.
Similarly, when the material of outer tube 42 thermal linear expansion rate than the first pipeline section 411, the second pipeline section 412 it is big when, can also be Compressed completely after installing, the gap allowed at end joint is zero.At a certain temperature, the first pipeline section 411, the second pipeline section Gap can be produced between 412, inner tube 41 is met and extra axial shrinkage is produced relative to outer tube 42.Disappear in the case of both the above Except piping thermal prestressed, with thermal compensation effect, inner tube 41 can be achieved and occurs to eliminate under the operating mode of certain axial thermal expansion displacement Extra thermal stress, effectively eliminates the problem of end adpting flange stress is excessive, it is ensured that sealing structure feature.
The frame mode coordinated using the first pipeline section 411, the grafting of the second pipeline section 412, is being easy to the first pipeline section 411, second While pipeline section 412 is dismounted, a variety of sealing structure forms can be also set on plug-in position, the sealing of plug-in position is realized, inserted The sealing structure for connecing position also allows for changing, beneficial to the operation maintenance in power station later stage.
Further, with reference to shown in Fig. 3, Fig. 4, the inwall of outer tube 42 is provided with location division 421, the first pipeline section 411, second The outside wall surface of pipeline section 412 realizes the plug division 413 of lateral register provided with engaging corresponding with location division 421.In the first pipeline section 411st, the second pipeline section 412 is respectively after the two ends insertion of outer tube 42, and plug division 413 coordinates with location division 421, realizes the first pipeline section 411st, the lateral register of the second pipeline section 412, it is ensured that be not in rock after the first pipeline section 411, the insertion of the second pipeline section 412.
Further, location division 421 includes axially disposed neck, and plug division 413 includes axially disposed and neck The chuck that grafting coordinates.In other embodiments, the position of neck and chuck also interchangeable.
In certain embodiments, for the ease of installing and processing, outer tube 42 includes the 3rd pipeline section 422, the 4th pipeline section 423, It is respectively equipped with chamber and the 3rd pipeline section 422, the corresponding perforate of the 4th pipeline section 423.Preferably, the 3rd pipeline section 422, the 4th pipeline section 423 chamber respectively with corresponding end is structure as a whole, the 3rd pipeline section 422, the ozzle of the 4th position of opening on chamber of pipeline section 423 Formed, so both reduced the girth joint quantity of main pipeline, it also avoid the difficulty that main pipeline safe end is welded in conventional pressurized water heap Topic, improves the mechanical performance of weld seam, so as to reduce on-site installation work amount.
In other embodiments, the 3rd pipeline section 422, the 4th pipeline section 423 can also be consolidated by the mode such as welding or flange connection Determine onto correspondence chamber, connected with perforate.
The end splicing that 3rd pipeline section 422, the 4th pipeline section 423 are stretched out, generally, the 3rd pipeline section 422, the 4th pipeline section 423 After splicing connection, it is connected in stitching position with modes such as welding.In other embodiments, the 3rd pipeline section 422, the 4th pipeline section 423 can also be connected by flange arrangement.
Preferably, the 3rd pipeline section 422, be equipped with location division 421 on the internal face of the 4th pipeline section 423, the first pipeline section 411, It is respectively equipped with the outside wall surface of second pipeline section 412 and the corresponding grafting in location division 421 on the 3rd pipeline section 422, the 4th pipeline section 423 Portion 413.
In the first pipeline section 411, the second pipeline section 412 after two ends insertion outer tube 42, it can be managed from the first pipeline section 411, second The outer end of section 412 is fixed.Preferably, the outer face of the first pipeline section 411, which is provided with, extends laterally outward setting and external connection Skirtboard 414.Skirtboard 414 can be connected with the end of outer tube 42, can also be connected with the other structures in chamber.
In order to reduce the flow effect to fluid in second channel B as far as possible, inner tube 41 can be allowed to deviate the center of outer tube 42 Set.Corresponding, the semicircular in shape of skirtboard 414, skirtboard 414 is provided with through hole corresponding with the endoporus of the first pipeline section 411, allows first The outer end of pipeline section 411 and ft connection, the curved edge of skirtboard 414 are connected with inner tube 41.
The cross section that semicircular skirtboard 414 can ensure the end face of outer tube 42 and have half can be passed in and out for fluid.Generally, Skirtboard 414 can be fixed with the structure welding in the end and chamber of outer tube 42 simultaneously, and also cocoa is removed and installed skirtboard 414. In other embodiment, inner tube 41 can be also coaxially disposed with outer tube 42.
Further, the outer face of the second pipeline section 412 be provided be used for and external connection flanged plate 415, flanged plate 415 with Structure in chamber is detachably connected.At least one in first pipeline section 411, the second pipeline section 412 is detachable installation, with just In the Maintenance and Repair in later stage.
Inner tube 41 passes through from outer tube 42, can make the master of the chamber both sides such as pressure vessel 3, main pump 1 and steam generator 2 Cooling agent is imported and exported and is respectively positioned in same ozzle, reduces the perforate of the main equipments such as pressure vessel 3, steam generator 2 and main pump 1 Quantity, is easy to processing and manufacturing.
Again as shown in figure 1, nuclear reactor in one preferred embodiment of the utility model include main pump 1, pressure vessel 3, Steam generator 2, is connected with double-layer sleeve structure 4 between pressure vessel 3 and steam generator 2;Main pump 1 and pressure vessel 3 it Between be connected with double-layer sleeve structure 4, with main pump 1 provide cooling agent circulation power when, main pump 1, pressure vessel 3 and steam Corresponding circulating reflux is formed between each cavity volume in generator 2.
With reference to shown in Fig. 4, double-layer sleeve structure 4 includes inner tube 41 and is set in the outer tube 42 of the periphery of inner tube 41, inner tube 41 First passage A is formed, inner tube 41 is outer to form the second channel B completely cut off with first passage A between outer tube 42.
Inner tube 41 includes being inserted into the first pipeline section 411 of splicing, the second pipeline section in outer tube 42 by the two ends of outer tube 42 respectively 412, the outer face of the first pipeline section 411, which is provided with, extends laterally outward setting, the skirtboard 414 with external connection.
Inner tube 41 deviates the centrally disposed of outer tube 42;The semicircular in shape of skirtboard 414, skirtboard 414 is provided with and the first pipeline section 411 The corresponding through hole of endoporus, the curved edge of skirtboard 414 is connected with inner tube 41, can be also connected with chamber, or simultaneously with inner tube 41, Chamber is connected.
Further, the outer face of the second pipeline section 412, which is provided with, is used for the flanged plate 415 with external connection.
In other embodiments, main pump 1 can be also connected with steam generator 2, be connected between main pump 1 and steam generator 2 It is connected to double-layer sleeve structure 4.Certainly, also can according to concrete structure, only between main pump 1 and pressure vessel 3 connected double-layer sleeve pipe Structure 4, or the only connected double-layer sleeve structure 4 between main pump 1 and steam generator 2, or only in pressure vessel 3 and steam generation Connected double-layer sleeve structure 4 between device 2.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in Other related technical fields, are similarly included in scope of patent protection of the present utility model.

Claims (15)

1. a kind of double-layer sleeve structure for nuclear reactor(4), it is characterised in that the double-layer sleeve structure(4)Including interior Pipe(41)Be set in said inner tube(41)The outer tube of periphery(42), said inner tube(41)Form first passage(A), said inner tube (41)The outer and outer tube(42)Between formed with the first passage(A)The second channel of isolation(B).
2. the double-layer sleeve structure according to claim 1 for nuclear reactor(4), it is characterised in that said inner tube (41)Including respectively by the outer tube(42)Two ends be inserted into the outer tube(42)First pipeline section of interior splicing(411), second Pipeline section(412), first pipeline section(411), the second pipeline section(412)Seal and coordinate between two relative ends.
3. the double-layer sleeve structure according to claim 2 for nuclear reactor(4), it is characterised in that first pipe Section(411), the second pipeline section(412)Provided with the sealing mechanism sealed against each other between two relative ends(43), the sealing mechanism (43)Including being arranged on first pipeline section(411)Inner end seal section(431), the seal section(431)Set is set to Second pipeline section(412)Outside inner end;
The sealing mechanism(43)Also include being arranged on second pipeline section(412)Inner outside wall surface on sealing ring(432), The sealing ring(432)With the seal section(431)Internal face coordinate.
4. the double-layer sleeve structure for nuclear reactor according to Claims 2 or 3(4), it is characterised in that described second Pipeline section(412)Inner face and first pipeline section(411)Inner face between leave gap.
5. the double-layer sleeve structure for nuclear reactor according to Claims 2 or 3(4), it is characterised in that the outer tube (42)Inwall be provided with location division(421), first pipeline section(411), the second pipeline section(412)Outside wall surface be provided with and institute State location division(421)The plug division of lateral register is realized in correspondence engaging(413);
The location division(421)Including axially disposed neck, the plug division(413)Including the axially disposed and card The chuck that groove grafting coordinates.
6. the double-layer sleeve structure according to claim 5 for nuclear reactor(4), it is characterised in that the outer tube (42)Including the 3rd pipeline section(422), the 4th pipeline section(423), the 3rd pipeline section(422), the 4th pipeline section(423)Connect after splicing Connect, and the end face seal of splicing.
7. the double-layer sleeve structure according to claim 6 for nuclear reactor(4), it is characterised in that the 3rd pipe Section(422), the 4th pipeline section(423)Internal face on be equipped with the location division(421), first pipeline section(411), second pipe Section(412)Outside wall surface on be respectively equipped with and the 3rd pipeline section(422), the 4th pipeline section(423)On location division(421)Correspondence Plug division(413).
8. the double-layer sleeve structure for nuclear reactor according to Claims 2 or 3(4), it is characterised in that described first Pipeline section(411)Outer face be provided with extend laterally outward settings, and external connection skirtboard(414).
9. the double-layer sleeve structure according to claim 8 for nuclear reactor(4), it is characterised in that said inner tube (41)Deviate the outer tube(42)It is centrally disposed.
10. the double-layer sleeve structure according to claim 9 for nuclear reactor(4), it is characterised in that the skirtboard (414)Semicircular in shape, the skirtboard(414)It is provided with and first pipeline section(411)The corresponding through hole of endoporus, the skirtboard (414)Curved edge and said inner tube(41)Connection.
11. the double-layer sleeve structure for nuclear reactor according to Claims 2 or 3(4), it is characterised in that described Two pipeline sections(412)Outer face be provided be used for and external connection flanged plate(415).
12. a kind of nuclear reactor, the nuclear reactor includes being respectively equipped with cooling but at least two chambers, each chamber Two cavity volumes that agent is circulated successively, it is characterised in that be connected between two chambers described in any one of claim 1 to 11 Double-layer sleeve structure(4);
The first passage(A)Two ends connected respectively with one of cavity volume of chamber described in corresponding end, the second channel (B)Two ends connected respectively with another cavity volume of chamber described in corresponding end, with the double-layer sleeve structure(4)Two ends Corresponding circulation loop is formed between two chambers for cooling agent circulating reflux.
13. nuclear reactor according to claim 12, the chamber includes main pump(1), pressure vessel(3)And steam Generator(2)Corresponding chamber, it is characterised in that the pressure vessel(3)With the steam generator(2)Between connect State double-layer sleeve structure(4);And/or,
The main pump(1)With the pressure vessel(3), the steam generator(2)In one between be connected with the bilayer Sleeve structure(4);
With in the main pump(1)When cooling agent circulation power is provided, the main pump(1), pressure vessel(3)And steam generation Device(2)Corresponding circulation loop is formed between interior each cavity volume.
14. the nuclear reactor according to claim 12 or 13, it is characterised in that the double-layer sleeve structure(4)Inner tube (41)Including respectively by the outer tube(42)Two ends be inserted into the outer tube(42)First pipeline section of interior splicing(411), second Pipeline section(412), first pipeline section(411)Outer face provided with periphery stretch out settings, and external connection skirtboard (414);
Said inner tube(41)Deviate the outer tube(42)It is centrally disposed;The skirtboard(414)Semicircular in shape, the skirtboard (414)It is provided with and first pipeline section(411)The corresponding through hole of endoporus;The skirtboard(414)The interfaced chamber The import sealing of one cavity volume of room connects, to completely cut off the second channel(B)With the cavity volume;
The skirtboard(414)Curved edge and said inner tube(41)Connection.
15. nuclear reactor according to claim 14, it is characterised in that second pipeline section(412)Outer face be provided with For the flange with external connection(415);The flange(415)The import sealing phase of one cavity volume of the interfaced chamber Connect, to completely cut off the second channel(B)With the cavity volume.
CN201720085237.3U 2017-01-20 2017-01-20 nuclear reactor and double-layer sleeve structure Expired - Fee Related CN206558225U (en)

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CN201720085237.3U CN206558225U (en) 2017-01-20 2017-01-20 nuclear reactor and double-layer sleeve structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106683719A (en) * 2017-01-20 2017-05-17 中广核研究院有限公司 Nuclear reactor and double-layer casing structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106683719A (en) * 2017-01-20 2017-05-17 中广核研究院有限公司 Nuclear reactor and double-layer casing structure

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Termination date: 20190120