CN106683717A - Compact type pressurized water reactor - Google Patents
Compact type pressurized water reactor Download PDFInfo
- Publication number
- CN106683717A CN106683717A CN201710046865.5A CN201710046865A CN106683717A CN 106683717 A CN106683717 A CN 106683717A CN 201710046865 A CN201710046865 A CN 201710046865A CN 106683717 A CN106683717 A CN 106683717A
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- China
- Prior art keywords
- pipeline section
- outer tube
- steam generator
- inner tube
- pressurized water
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C1/00—Reactor types
- G21C1/04—Thermal reactors ; Epithermal reactors
- G21C1/06—Heterogeneous reactors, i.e. in which fuel and moderator are separated
- G21C1/08—Heterogeneous reactors, i.e. in which fuel and moderator are separated moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor
- G21C1/086—Pressurised water reactors
-
- 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
-
- 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
Abstract
The invention relates to a compact type pressurized water reactor. The compact type pressurized water reactor comprises a main pump, a steam generator and a pressure container, a first double-layered sleeve structure for communicating the steam generator with the pressure container, and a second double-layered sleeve structure for communicating the main pump with the steam generator, wherein a first connecting pipeline comprises a first channel and a second channel which are separated from each other; a second connecting pipeline comprises a third channel and a fourth channel which are separated from each other; and the main pump, the steam generator and the pressure container are communicated to form a circulating loop of a working medium. Each main equipment is connected by adopting the double-layered sleeve structure, so that the distance between the main equipment is reduced and a small-size reactor structure is more compact; a whole support is convenient to design, and the length of a main pipeline of a loop system is greatly shortened; and heat loss of a main cooling agent in a loop circulating system is reduced and the whole loop system is more compact. The reactor with the double-layered sleeve structures can realize hoisting and mounting of a whole body; and compared with a mode that large reactor sub-equipment is arranged in place respectively and is welded at last, the compact type pressurized water reactor is relatively efficient and rapid.
Description
Technical field
The present invention relates to nuclear power field, more particularly, it relates to a kind of compact pressurized water reactor.
Background technology
Nuclear power is applied as clean energy resource by extensive construction.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, manostat.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 arrange connection ozzle.The spacing of whole equipment arrangement is larger, and pipeline is longer, so equipment occupation space
It is larger.
In nuclear power station running, needs are realized circulation of the Main Coolant in nuclear steam supply system by main pipeline
Flowing.It is the important component part 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 vapourss for needing to secondary side water.
However, the increase of the dissipation requirements with electricity consumption, the construction of large nuclear power station is gradually limited, needs slowly
More miniaturization nuclear power stations.In miniaturization nuclear power station, due to the restriction of miniaturization, if still using master between each main equipment
Pipeline, the structure of connection ozzle are attached, and certainly will cause oversized, it is impossible to applicable requirements.
The content of the invention
The technical problem to be solved in the present invention is, there is provided a kind of improved compact pressurized water reactor.
The technical solution adopted for the present invention to solve the technical problems is：A kind of compact pressurized water reactor is constructed, including
Main pump, steam generator, pressure vessel；The pressure vessel includes heating flow channel and connects the backflow stream of the heating flow channel
Road；The steam generator includes heat exchange runner；The main pump includes influent stream runner and pressurization delivery channel；The steam is sent out
The first communicating passage with heat exchange runner isolation is provided with raw device；
The compact pressurized water reactor also includes the first bilayer sleeve of the connection steam generator and pressure vessel
Second double-layer sleeve structure of structure and the connection main pump and steam generator；
First connecting pipe includes mutually isolated first passage, second channel；Second connecting pipe includes
Mutually isolated third channel, fourth lane；
The heating flow channel, first passage, heat exchange runner, fourth lane, influent stream runner, pressurization delivery channel, threeway
Road, the first communicating passage, second channel and backflow runner are sequentially communicated, and form the closed circuit of working medium.
Preferably, first double-layer sleeve structure include the first inner tube and be set in outside first inner tube first outside
Pipe, the first inner tube interior formation first passage, shape between the first outer wall of inner tube face and the first outer tube wall face
Into the second channel；
Second double-layer sleeve structure includes the second inner tube and the second outer tube being set in outside second inner tube, described
The third channel is formed in second inner tube, described the is formed between the second outer wall of inner tube face and the second outer tube wall face
Four-way.
Preferably, first outer tube includes the first pipeline section, the second pipeline section, and first pipeline section is arranged on the steam and sends out
On raw device, second pipeline section is arranged on the pressure vessel, is connected after first pipeline section, the splicing of the second pipeline section, and is spelled
The end face seal for connecing；
Second outer tube includes the 5th pipeline section, the 6th pipeline section, and the 5th pipeline section is arranged on the main pump, described the
Six pipeline sections are arranged on the steam generator, are connected after the 5th pipeline section, the splicing of the 6th pipeline section, and the end face for splicing is close
Envelope.
Preferably, first pipeline section, the 6th pipeline section are structure as a whole with the steam generator, second pipeline section with
The pressure vessel is structure as a whole, and the 5th pipeline section is structure as a whole with the main pump.
Preferably, first inner tube includes being inserted in first outer tube by the two ends of first outer tube respectively and spells
The 3rd pipeline section, the 4th pipeline section for connecing, sealing coordinates after grafting between the relative end of the 3rd pipeline section, the 4th pipeline section two；
Second inner tube includes being inserted into the spliced in second outer tube by the two ends of second outer tube respectively
Seven pipeline sections, the 8th pipeline section, sealing coordinates after grafting between the relative end of the 7th pipeline section, the 8th pipeline section two.
Preferably, the inwall of first outer tube is provided with the first location division, the 3rd pipeline section, the outer wall of the 4th pipeline section
Face is provided with the first Plug Division for engaging and realizing lateral register corresponding with first location division；
The inwall of the second outer tube is provided with the second location division, the 7th pipeline section, the outside wall surface of the 8th pipeline section be provided with
The second Plug Division of lateral register is realized in the second location division correspondence engaging.
Preferably, the 3rd pipeline section, the 8th pipeline section are fixedly connected with the steam generator；
4th pipeline section is detachably connected with the pressure vessel, and the 7th pipeline section is detachably connected with main pump.
The present invention also constructs a kind of compact pressurized water reactor, including main pump, steam generator, pressure vessel, the pressure
Force container includes heating flow channel and connects the backflow runner of the heating flow channel；The steam generator includes heat exchange runner；
The main pump includes influent stream runner and pressurization delivery channel；It is provided with the pressure vessel and the heating flow channel, backflow stream
Second communicating passage of road isolation；
The compact pressurized water reactor also includes the first bilayer sleeve of the connection steam generator and pressure vessel
Second double-layer sleeve structure of structure and the connection main pump and pressure vessel；
First connecting pipe includes mutually isolated first passage, second channel；Second connecting pipe includes
Mutually isolated third channel, fourth lane；
The heat exchange runner, second channel, the second communicating passage, third channel, influent stream runner, pressurization delivery channel, the
Four-way, backflow runner, heating flow channel, first passage and it is sequentially communicated, forms the closed circuit of working medium.
Preferably, first double-layer sleeve structure include the first inner tube and be set in outside first inner tube first outside
Pipe, the first inner tube interior formation first passage, shape between the first outer wall of inner tube face and the first outer tube wall face
Into the second channel；
Second double-layer sleeve structure includes the second inner tube and the second outer tube being set in outside second inner tube, described
The third channel is formed in second inner tube, described the is formed between the second outer wall of inner tube face and the second outer tube wall face
Four-way.
Preferably, first outer tube includes the first pipeline section, the second pipeline section, and first pipeline section is arranged on the pressure to be held
On device, second pipeline section is arranged on the steam generator, is connected after first pipeline section, the splicing of the second pipeline section, and is spelled
The end face seal for connecing；
Second outer tube includes the 5th pipeline section, the 6th pipeline section, and the 5th pipeline section is arranged on the main pump, described the
Six pipeline sections are arranged on the pressure vessel, are connected after the 5th pipeline section, the splicing of the 6th pipeline section, and the end face seal spliced.
Preferably, first pipeline section, the 6th pipeline section are structure as a whole with the pressure vessel, second pipeline section and institute
State steam generator to be structure as a whole, the 5th pipeline section is structure as a whole with the main pump.
Preferably, first inner tube includes being inserted in first outer tube by the two ends of first outer tube respectively and spells
The 3rd pipeline section, the 4th pipeline section for connecing, sealing coordinates after grafting between the relative end of the 3rd pipeline section, the 4th pipeline section two；
Second inner tube includes being inserted into the spliced in second outer tube by the two ends of second outer tube respectively
Seven pipeline sections, the 8th pipeline section, sealing coordinates after grafting between the relative end of the 7th pipeline section, the 8th pipeline section two.
Preferably, the inwall of first outer tube is provided with the first location division, the 3rd pipeline section, the outer wall of the 4th pipeline section
Face is provided with the first Plug Division for engaging and realizing lateral register corresponding with first location division；
The inwall of the second outer tube is provided with the second location division, the 7th pipeline section, the outside wall surface of the 8th pipeline section be provided with
The second Plug Division of lateral register is realized in the second location division correspondence engaging.
Preferably, the 3rd pipeline section, the 8th pipeline section are fixedly connected with the pressure vessel；
4th pipeline section is detachably connected with the steam generator, and the 7th pipeline section is detachably connected with main pump.
Implement the compact pressurized water reactor of the present invention, have the advantages that：The main pump of pressurized water reactor of the present invention,
Double-layer sleeve structure is adopted between each main equipment of steam generator, pressure vessel, the distance between each main equipment is reduced, is made
Small-sized pile structure is compacter, is easy to the design for overally supporting.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.Enter one
Step ground, is capable of achieving integral lifting and installs using the reactor of double-layer sleeve structure, distinguishes in place and last with respect to raft subset
The pattern of welding more efficient quick.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of the compact pressurized water reactor in the embodiment of the present invention；
Fig. 2 is the first double-layer sleeve structure and steam generator, the attachment structure schematic diagram of pressure vessel in Fig. 1；
Fig. 3 is the second double-layer sleeve structure and main pump, the attachment structure schematic diagram of steam generator in figure two；
Fig. 4 is the circulation schematic diagram of coolant in the loop of the compact pressurized water reactor in the embodiment of the present invention；
Fig. 5 be the main pump of the compact pressurized water reactor in another embodiment of the present invention, pressure vessel, steam generator according to
The circulation schematic diagram of coolant in loop during secondary connection.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now compare accompanying drawing and describe in detail
The specific embodiment of the present invention.
As shown in figure 1, compact pressurized water reactor includes main pump 1, steam generator in a preferred embodiment of the invention
2nd, pressure vessel 3, can also be respectively steam generator 2, pressure vessel 3.Pressure vessel 3 includes that heating flow channel 31 and connection add
The backflow runner 32 of hot flow path 31；Steam generator 2 includes heat exchange runner 21；Main pump 1 includes influent stream runner 11 and pressurizes defeated
Go out runner 12；The first communicating passage 23 with the isolation of heat exchange runner 21 is provided with steam generator 2.
Compact pressurized water reactor also include connection steam generator 2 and pressure vessel 3 the first double-layer sleeve structure 4,
Second double-layer sleeve structure 5 of connection main pump 1 and steam generator 2；First connecting pipe 4 includes mutually isolated first passage
A, second channel B；Second connecting pipe 5 includes mutually isolated third channel C, fourth lane D.
Heating flow channel 31, first passage A, heat exchange runner 21, fourth lane D, influent stream runner 11, pressurization delivery channel 12,
Third channel C, the first communicating passage 23, second channel B and backflow runner 32 are sequentially communicated, and form the closed circuit of working medium,
When main pump 1 provides coolant circulation power, coolant is allowed along closed circuit circulation.
Double-layer sleeve structure is adopted between each main equipment of nuclear reactor, the distance between each main equipment is reduced, is made
Small-sized pile structure is compacter, is easy to the design for overally supporting.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.Enter one
Step ground, is capable of achieving integral lifting and installs using the reactor of double-layer sleeve structure, distinguishes in place and last with respect to raft subset
The pattern of welding more efficient quick.
As shown in Fig. 2 the first double-layer sleeve structure 4 include the first inner tube 41 and be set in outside the first inner tube 41 first outside
Pipe 42, forms first passage A, forms second between the outside wall surface of the first inner tube 41 and the internal face of the first outer tube 42 and lead in the first inner tube 41
Road B.
As shown in figure 3, the second double-layer sleeve structure 5 include the second inner tube 51 and be set in outside the second inner tube 51 second outside
Pipe 52, in the second inner tube 51 third channel C is formed, and between the outside wall surface of the second inner tube 51 and the internal face of the second outer tube 52 four-way is formed
Road D.
First outer tube 42, the second outer tube 52 are respectively sleeved at outside the first inner tube 41, the second inner tube 51, the first inner tube 41,
Easily there is rupture thing usually above the fluid temperature (F.T.) in second channel B, fourth lane D in the temperature of the fluid in two inner tubes 51
Therefore.In the case where the first inner tube 41, the second inner tube 51 occur pipeline breaking, the first outer tube 42, the second outer tube 52 can be used as the
Two roads are protected, it is to avoid the stream such as coolant with radioactive substance eliminates the large break accident of main pipeline to out-of-pile
Probability, improves safety.
As shown in Fig. 2 in certain embodiments, the first outer tube 42 includes the first pipeline section 421, the second pipeline section 422, first pipe
Section 421 is arranged on steam generator 2, and the second pipeline section 422 is arranged on pressure vessel 3, the first pipeline section 421, the second pipeline section 422
Connect after splicing, and the end face seal spliced.It is respectively equipped with steam generator 2, pressure vessel 3 and the first pipeline section 421, second
The corresponding perforate of pipeline section 422.
Preferably, the first pipeline section 421, the second pipeline section 422 are structure as a whole respectively with steam generator 2, pressure vessel 3,
Further, the first pipeline section 421, the second pipeline section 422 are respectively by the ozzle shape of position of opening on steam generator 2, pressure vessel 3
Into, it is possible to reduce the number of openings on steam generator 2, pressure vessel 3, apparatus processing manufacture difficulty is substantially reduced, it is easy to add
Work is manufactured and reinforcement for openings design, reduces the manufacturing cycle.Meanwhile, the girth joint quantity of the first outer tube 42 is decreased, also avoid
A difficult problem for main pipeline safe end welding, improves the mechanical performance of weld seam, so as to reduce in-site installation in conventional pressurized water heap
Workload, it is possible to achieve prefabrication reactor module, then by reactor whole Transporting to factory site, directly lifts, and reduces
Assembled in situ flow process and expense, reduce cost of investment.
First inner tube 41 includes being inserted into the 3rd pipeline section of splicing in the first outer tube 42 by the two ends of the first outer tube 42 respectively
411st, the 4th pipeline section 412, sealing coordinates after grafting between the 3rd pipeline section 411,412 liang of relative ends of the 4th pipeline section.Outside first
The inwall of pipe 42 is provided with the first location division 423, and the 3rd pipeline section 411, the outside wall surface of the 4th pipeline section 412 are provided with and the first positioning
The first Plug Division 413 of lateral register is realized in the correspondence engaging of portion 423, ensures after the insertion of the 3rd pipeline section 411, the 4th pipeline section 412
Shifted laterally will not be produced.
The subsection setup of first inner tube 41, can allow the 3rd pipeline section 411, the 4th pipeline section 412 to be installed to the first outer tube from two ends
In 42, and the 3rd pipeline section 411, the 4th pipeline section 412 are connected by removable structure with the first outer tube 42 or the component in neighbouring device,
It is easy to dismounting maintenance.Further, seal against each other close is provided between the 3rd pipeline section 411,412 liang of relative ends of the 4th pipeline section
Sealing mechanism, it is to avoid leakage occurs in stitching position.
Gap is left between the inner face of the 3rd pipeline section 411 and the inner face of the 4th pipeline section 412, to allow the first inner tube 41
In the deformation of axial direction, thermal stress is eliminated.When the thermal linear expansion rate of the material of the first outer tube 42 is managed than the 3rd pipeline section the 411, the 4th
, after the 3rd pipeline section 411, the 4th pipeline section 412 are installed, there is an installation gap in the hour of section 412, can at end joint
The first inner tube 41 produces extra axial expansion, the big I in gap relative to the first outer tube 42 under to meet pipeline uniform temperature
Arbitrarily adjusted according to application scenario.
In the same manner, when the material of the first outer tube 42 thermal linear expansion rate than the 3rd pipeline section 411, the 4th pipeline section 412 it is big when, may be used also
To compress completely after installing, the gap at end joint is allowed to be zero.At a certain temperature, the 3rd pipeline section the 411, the 4th is managed
Gap can be produced between section 412, the first inner tube 41 is met and is produced extra axial shrinkage relative to the first outer tube 42.The above two
Piping thermal prestressed is eliminated in the case of kind, with thermal compensation effect, the first inner tube 41 is capable of achieving and certain axial thermal expansion displacement is occurred
Operating mode under can eliminate extra thermal stress, effectively eliminate the excessive problem of end adpting flange stress, it is ensured that sealing structure work(
Can property.
The frame mode coordinated using the 3rd pipeline section 411, the grafting of the 4th pipeline section 412, is being easy to the 3rd pipeline section the 411, the 4th
While pipeline section 412 is dismounted, various 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.
As shown in figure 3, further, the second outer tube 52 includes the 5th pipeline section 521, the 6th pipeline section 522, the 5th pipeline section 521
It is arranged on main pump 1, the 6th pipeline section 522 is arranged on steam generator 2, connects after the splicing of the 5th pipeline section 521, the 6th pipeline section 522
Connect, and the end face seal spliced.It is respectively equipped with main pump 1 and steam generator 2 corresponding with the 5th pipeline section 521, the 6th pipeline section 522
Perforate.
Preferably, the 5th pipeline section 521, the 6th pipeline section 522 are structure as a whole respectively with main pump 1, steam generator 2, enter one
Step ground, the ozzle that the 5th pipeline section 521, the 6th pipeline section 522 have respectively position of opening on main pump 1, pressure vessel 3 is formed, can subtracted
The number of openings on few main pump 1, steam generator 2, substantially reduces apparatus processing manufacture difficulty, is easy to processing and manufacturing and perforate to mend
Strong design, reduces the manufacturing cycle.Meanwhile, the girth joint quantity of the second outer tube 52 is decreased, in it also avoid conventional pressurized water heap
A difficult problem for main pipeline safe end welding, improves the mechanical performance of weld seam, so as to reduce on-site installation work amount, it is possible to achieve
Prefabrication reactor module, then by reactor whole Transporting to factory site, directly lifts, reduce assembled in situ flow process and
Expense, reduces cost of investment.
Second inner tube 51 includes being inserted into the 7th pipeline section of splicing in the second outer tube 52 by the two ends of the second outer tube 52 respectively
511st, the 8th pipeline section 512, sealing coordinates after grafting between the 7th pipeline section 511,512 liang of relative ends of the 8th pipeline section.Outside second
The inwall of pipe 52 is provided with the second location division 523, and the 7th pipeline section 511, the outside wall surface of the 8th pipeline section 512 are provided with and the second positioning
The second Plug Division 513 of lateral register is realized in the correspondence engaging of portion 523, will not after the insertion of the 7th pipeline section 511, the 8th pipeline section 512
Produce shifted laterally.
The subsection setup of second inner tube 51, can allow the 7th pipeline section 511, the 8th pipeline section 512 to be installed to the second outer tube from two ends
In 52, and the 7th pipeline section 511, the 8th pipeline section 512 are connected by removable structure with the second outer tube 52 or the component in neighbouring device,
It is easy to dismounting maintenance.Further, seal against each other close is provided between the 7th pipeline section 511,512 liang of relative ends of the 8th pipeline section
Sealing mechanism, it is to avoid leakage occurs in stitching position.7th pipeline section 511 is detachably connected with main pump 1.8th pipeline section 512 is sent out with steam
Raw device 2 is fixedly connected
Gap is left between the inner face of the 7th pipeline section 511 and the inner face of the 8th pipeline section 512, to allow the second inner tube 51
In the deformation of axial direction, thermal stress is eliminated.When the thermal linear expansion rate of the material of the second outer tube 52 is managed than the 7th pipeline section the 511, the 8th
, after the 7th pipeline section 511, the 8th pipeline section 512 are installed, there is an installation gap in the hour of section 512, can at end joint
The second inner tube 51 produces extra axial expansion, the big I in gap relative to the second outer tube 52 under to meet pipeline uniform temperature
Arbitrarily adjusted according to application scenario.
In the same manner, when the material of the second outer tube 52 thermal linear expansion rate than the 7th pipeline section 511, the 8th pipeline section 512 it is big when, may be used also
To compress completely after installing, the gap at end joint is allowed to be zero.At a certain temperature, the 7th pipeline section the 511, the 8th is managed
Gap can be produced between section 512, the second inner tube 51 is met and is produced extra axial shrinkage relative to the second outer tube 52.The above two
Piping thermal prestressed is eliminated in the case of kind, with thermal compensation effect, the second inner tube 51 is capable of achieving and certain axial thermal expansion displacement is occurred
Operating mode under can eliminate extra thermal stress, effectively eliminate the excessive problem of end adpting flange stress, it is ensured that sealing structure work(
Can property.
The frame mode coordinated using the 7th pipeline section 511, the grafting of the 8th pipeline section 512, is being easy to the 7th pipeline section the 511, the 8th
While pipeline section 512 is dismounted, various 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.
Preferably due to have substantial amounts of tube bank in steam generator 2, in order to avoid dismounting in the first inner tube 41 or the second
Sling repeatedly during pipe 51 tube bank, first inner tube 41 corresponding with steam generator 2, the pipeline section of the second inner tube 51 are from steam
It is installed in the corresponding cavity volume of generator 2 in corresponding first outer tube 42, the second outer tube 52, and it is corresponding with steam generator 2
Chamber is fixedly mounted using modes such as welding, not pair is not dismounted with the corresponding pipeline section of steam generator 2 in follow-up maintenance process.When
So, first inner tube 41 corresponding with steam generator 2, the pipeline section of the second inner tube 51 also can be detachably connected with steam generator 2.
In certain embodiments, corresponding with reference to shown in Fig. 1, Fig. 4, the 3rd pipeline section 411, the 8th pipeline section 512 are respectively by steaming
Vapour generator 2 is inserted into the first inner tube 41, the second inner tube 51, and is fixedly connected with steam generator 2, the 4th pipeline section the 412, the 7th
Pipeline section 511 is inserted into the first outer tube 42, the second outer tube 52 by pressure vessel 3, main pump 1 respectively, and respectively with pressure vessel 3, main
Pump 1 connects.Preferably, the 4th pipeline section 412, the 7th pipeline section 511 are detachably connected respectively with pressure vessel 3, main pump 1, are easy to inspection
Repair maintenance.
When pressurized water reactor works, main pump 1 makes coolant enter into pressure vessel 3 by the first communicating passage 23, first by
On down through backflow runner 32 flow through reflecting layer and heat shielding after reach Xia Dui chambers, then the reactor core for flowing upward through heating flow channel 31
The heat that reactor core is taken away after heating enters into steam generator 2 by the first passage A of the first double-layer sleeve structure 4, first upwards
Heat exchange runner 21 is flow through still further below, the secondary circuit water of flowing in steam generator 2 is transferred heat to, and secondary circuit water is heated to be
Superheated steam, the reactor coolant after heat exchange enters main pump 1, Jing main pumps by fourth lane D of the second double-layer sleeve structure 5
Again by the third channel C of the second double-layer sleeve structure 5, the first communicating passage 23 and the first double-layer sleeve structure 4 after 1 pressurization
First passage A returning pressures container 3, realization continually and steadily reactor core heat is taken out of to the function of steam generator 2.
As shown in figure 5, in other embodiments, the main pump 1 of compact pressurized water reactor, steam generator 2 and pressure hold
The connected mode of device 3 is that the first double-layer sleeve structure 4 connects steam generator 2 and the bilayer sleeve of pressure vessel 3 and second
Structure 5 connects main pump 1 and pressure vessel 3, the first double-layer sleeve structure 4, the second double-layer sleeve structure 5 structure can be with upper one
Structure in embodiment is identical.Further, second completely cut off with heating flow channel 31, backflow runner 32 is provided with pressure vessel 3
Communicating passage 33.
Heat exchange runner 21, second channel B, the second communicating passage 33, third channel C, influent stream runner 11, pressurization delivery channel
12nd, fourth lane D, backflow runner 32, heating flow channel 31, first passage A and be sequentially communicated, form the closed circuit of working medium.
When pressurized water reactor works, main pump 1 makes coolant be entered into by fourth lane D of the second double-layer sleeve structure 5
Pressure vessel 3, first reaches Jing after backflow runner 32 flows through reflecting layer and heat shielding from top to bottom Xia Dui chambers, then flow upward through plus
The heat that reactor core is taken away after the reactor core heating of hot flow path 31 enters into steam by the first passage A of the first double-layer sleeve structure 4
Generator 2, first flows through still further below upwards heat exchange runner 21, transfers heat to the secondary circuit water of flowing in steam generator 2, and two
Loop Water is heated to be superheated steam, the reactor coolant after heat exchange by the second channel B of the first double-layer sleeve structure 4,
Second communicating passage 33 of pressure vessel 3 and the third channel C of the second double-layer sleeve structure 5 return main pump 1, then by main pump 1
Pressure vessel 3 is entered into by fourth lane D of the second double-layer sleeve structure 5 after pressurization, is realized continually and steadily by reactor core heat band
Go out to the function of steam generator 2.
Compact pressurized water reactor can carry different platform, be applied to land or marine several scenes, adapt to various environment
Require.Ocean ad-hoc location is transported to as compact pressurized water reactor can be placed in hull platform, is that marine resource production platform is carried
For thermoelectricity water alliance；Can be transported near island, the energy for needed for island provides life；Nuclear Power Plant location by land can also be placed
It is interior, provide electric, hot equal energy source supply for remote districts or the area for having heat supply in winter demand.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (14)
1. a kind of compact pressurized water reactor, including main pump（1）, steam generator（2）, pressure vessel（3）；The pressure vessel
（3）Including heating flow channel（31）And the connection heating flow channel（31）Backflow runner（32）；The steam generator（2）Bag
Include heat exchange runner（21）；The main pump（1）Including influent stream runner（11）And pressurization delivery channel（12）；Characterized in that, institute
State steam generator（2）Inside it is provided with and the heat exchange runner（21）First communicating passage of isolation（23）；
The compact pressurized water reactor also includes the connection steam generator（2）And pressure vessel（3）The first double braid covering
Tubular construction（4）And the connection main pump（1）And steam generator（2）The second double-layer sleeve structure（5）；
First connecting pipe（4）Including mutually isolated first passage（A）, second channel（B）；Second connecting pipe
（5）Including mutually isolated third channel（C）, fourth lane（D）；
The heating flow channel（31）, first passage（A）, heat exchange runner（21）, fourth lane（D）, influent stream runner（11）, pressurize it is defeated
Go out runner（12）, third channel（C）, the first communicating passage（23）, second channel（B）With backflow runner（32）It is sequentially communicated, shape
Into the closed circuit of working medium.
2. compact pressurized water reactor according to claim 1, it is characterised in that first double-layer sleeve structure（4）
Including the first inner tube（41）Be set in first inner tube（41）The first outer outer tube（42）, first inner tube（41）Interior shape
Into the first passage（A）, first inner tube（41）Outside wall surface and first outer tube（42）Described is formed between internal face
Two passages（B）；
Second double-layer sleeve structure（5）Including the second inner tube（51）Be set in second inner tube（51）Outside outer second
Pipe（52）, second inner tube（51）It is interior to form the third channel（C）, second inner tube（51）Outside wall surface and described second
Outer tube（52）The fourth lane is formed between internal face（D）.
3. compact pressurized water reactor according to claim 2, it is characterised in that first outer tube（42）Including first
Pipeline section（421）, the second pipeline section（422）, first pipeline section（421）It is arranged on the steam generator（2）On, the second pipe
Section（422）It is arranged on the pressure vessel（3）On, first pipeline section（421）, the second pipeline section（422）Connect after splicing, and spell
The end face seal for connecing；
Second outer tube（52）Including the 5th pipeline section（521）, the 6th pipeline section（522）, the 5th pipeline section（521）It is arranged on institute
State main pump（1）On, the 6th pipeline section（522）It is arranged on the steam generator（2）On, the 5th pipeline section（521）, the 6th
Pipeline section（522）Connect after splicing, and the end face seal spliced.
4. compact pressurized water reactor according to claim 3, it is characterised in that first pipeline section（421）, the 6th pipe
Section（522）With the steam generator（2）It is structure as a whole, second pipeline section（422）With the pressure vessel（3）It is integrated
Structure, the 5th pipeline section（521）With the main pump（1）It is structure as a whole.
5. compact pressurized water reactor according to claim 2, it is characterised in that first inner tube（41）Including respectively
By first outer tube（42）Two ends be inserted into first outer tube（42）3rd pipeline section of interior splicing（411）, the 4th pipeline section
（412）, the 3rd pipeline section（411）, the 4th pipeline section（412）Sealing coordinates after grafting between two relative ends；
Second inner tube（51）Including respectively by second outer tube（52）Two ends be inserted into second outer tube（52）It is interior
7th pipeline section of splicing（511）, the 8th pipeline section（512）, the 7th pipeline section（511）, the 8th pipeline section（512）Two relative ends
Between after grafting sealing coordinate.
6. compact pressurized water reactor according to claim 5, it is characterised in that first outer tube（42）Inwall on
It is provided with the first location division（423）, the 3rd pipeline section（411）, the 4th pipeline section（412）Outside wall surface be provided with fixed with described first
Position portion（423）The first Plug Division of lateral register is realized in correspondence engaging（413）；
Second outer tube（52）Inwall be provided with the second location division（523）, the 7th pipeline section（511）, the 8th pipeline section（512）'s
Outside wall surface is provided with and second location division（523）The second Plug Division of lateral register is realized in correspondence engaging（513）.
7. compact pressurized water reactor according to claim 5, it is characterised in that the 3rd pipeline section（411）, the 8th pipe
Section（512）With the steam generator（2）It is fixedly connected；
4th pipeline section（412）With the pressure vessel（3）It is detachably connected, the 7th pipeline section（511）With main pump（1）Can
Dismounting connection.
8. a kind of compact pressurized water reactor, including main pump（1）, steam generator（2）, pressure vessel（3）, the pressure vessel
（3）Including heating flow channel（31）And the connection heating flow channel（31）Backflow runner（32）；The steam generator（2）Bag
Include heat exchange runner（21）；The main pump（1）Including influent stream runner（11）And pressurization delivery channel（12）；Characterized in that, institute
State pressure vessel（3）Inside it is provided with and the heating flow channel（31）, backflow runner（32）Second communicating passage of isolation（33）；
The compact pressurized water reactor also includes the connection steam generator（2）And pressure vessel（3）The first double braid covering
Tubular construction（4）And the connection main pump（1）And pressure vessel（3）The second double-layer sleeve structure（5）；
First connecting pipe（4）Including mutually isolated first passage（A）, second channel（B）；Second connecting pipe
（5）Including mutually isolated third channel（C）, fourth lane（D）；
The heat exchange runner（21）, second channel（B）, the second communicating passage（33）, third channel（C）, influent stream runner（11）, plus
Pressure delivery channel（12）, fourth lane（D）, backflow runner（32）, heating flow channel（31）, first passage（A）Be sequentially communicated, shape
Into the closed circuit of working medium.
9. compact pressurized water reactor according to claim 8, it is characterised in that first double-layer sleeve structure（4）
Including the first inner tube（41）Be set in first inner tube（41）The first outer outer tube（42）, first inner tube（41）Interior shape
Into the first passage（A）, first inner tube（41）Outside wall surface and first outer tube（42）Described is formed between internal face
Two passages（B）；
Second double-layer sleeve structure（5）Including the second inner tube（51）Be set in second inner tube（51）Outside outer second
Pipe（52）, second inner tube（51）It is interior to form the third channel（C）, second inner tube（51）Outside wall surface and described second
Outer tube（52）The fourth lane is formed between internal face（D）.
10. compact pressurized water reactor according to claim 9, it is characterised in that first outer tube（42）Including
One pipeline section（421）, the second pipeline section（422）, first pipeline section（421）It is arranged on the pressure vessel（3）On, the second pipe
Section（422）It is arranged on the steam generator（2）On, first pipeline section（421）, the second pipeline section（422）Connect after splicing, and
The end face seal of splicing；
Second outer tube（52）Including the 5th pipeline section（521）, the 6th pipeline section（522）, the 5th pipeline section（521）It is arranged on institute
State main pump（1）On, the 6th pipeline section（522）It is arranged on the pressure vessel（3）On, the 5th pipeline section（521）, the 6th pipe
Section（522）Connect after splicing, and the end face seal spliced.
11. compact pressurized water reactors according to claim 10, it is characterised in that first pipeline section（421）, the 6th
Pipeline section（522）With the pressure vessel（3）It is structure as a whole, second pipeline section（422）With the steam generator（2）For one
Body structure, the 5th pipeline section（521）With the main pump（1）It is structure as a whole.
12. compact pressurized water reactors according to claim 9, it is characterised in that first inner tube（41）Including point
Not by first outer tube（42）Two ends be inserted into first outer tube（42）3rd pipeline section of interior splicing（411）, the 4th pipe
Section（412）, the 3rd pipeline section（411）, the 4th pipeline section（412）Sealing coordinates after grafting between two relative ends；
Second inner tube（51）Including respectively by second outer tube（52）Two ends be inserted into second outer tube（52）It is interior
7th pipeline section of splicing（511）, the 8th pipeline section（512）, the 7th pipeline section（511）, the 8th pipeline section（512）Two relative ends
Between after grafting sealing coordinate.
13. compact pressurized water reactors according to claim 12, it is characterised in that first outer tube（42）Inwall
It is provided with the first location division（423）, the 3rd pipeline section（411）, the 4th pipeline section（412）Outside wall surface be provided with and described first
Location division（423）The first Plug Division of lateral register is realized in correspondence engaging（413）；
Second outer tube（52）Inwall be provided with the second location division（523）, the 7th pipeline section（511）, the 8th pipeline section（512）'s
Outside wall surface is provided with and second location division（523）The second Plug Division of lateral register is realized in correspondence engaging（513）.
14. compact pressurized water reactors according to claim 12, it is characterised in that the 3rd pipeline section（411）, the 8th
Pipeline section（512）With the pressure vessel（3）It is fixedly connected；
4th pipeline section（412）With the steam generator（2）It is detachably connected, the 7th pipeline section（511）With main pump（1）
It is detachably connected.
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| CN108257686A (en) * | 2017-12-28 | 2018-07-06 | 中广核研究院有限公司 | Reactor, reactor main equipment and the water proof ring for reactor main equipment |
| CN108806807A (en) * | 2018-07-20 | 2018-11-13 | 中广核研究院有限公司 | A kind of small-sized heap primary Ioops main equipment structure of novel compact Layout |
| CN109166635A (en) * | 2018-08-01 | 2019-01-08 | 中广核研究院有限公司 | The whole supporting arrangement of integration for multi-vessel system |
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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 |
| CN110332402A (en) * | 2019-07-29 | 2019-10-15 | 中广核研究院有限公司 | A kind of flow passage sealing structure from compact form |
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