CN206505725U - Compact pressurized water reactor - Google Patents
Compact pressurized water reactor Download PDFInfo
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- CN206505725U CN206505725U CN201720077697.1U CN201720077697U CN206505725U CN 206505725 U CN206505725 U CN 206505725U CN 201720077697 U CN201720077697 U CN 201720077697U CN 206505725 U CN206505725 U CN 206505725U
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- pipeline section
- outer tube
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- inner tube
- pressure vessel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model is related to compact pressurized water reactor, including main pump, steam generator, pressure vessel, and connection steam generator and pressure vessel the first double-layer sleeve structure, connect the second double-layer sleeve structure of main pump and steam generator.First double-layer sleeve structure includes mutually isolated first passage, second channel；Second double-layer sleeve structure includes mutually isolated third channel, fourth lane, is connected between main pump, steam generator, pressure vessel, forms the circulation loop of working medium.Double-layer sleeve structure is used between each main equipment, reduce the distance between each main equipment, make small-sized pile structure compacter, it is easy to the design of integrated support, the main pipeline length of primary Ioops system is greatly shortened, heat loss of the Main Coolant during primary Ioops system circulation is reduced, makes whole primary Ioops system compacter.With the reactor of double-layer sleeve structure can integral lifting install, relative raft subset is respectively in place and the pattern efficient quick that finally welds.
Description
Technical field
The utility model is related to nuclear power field, more specifically to a kind of compact pressurized water reactor.
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 compact pressurized water reactor.
The utility model solves the technical scheme that its technical problem used：A kind of compact pressurized water reactor is constructed,
Including main pump, steam generator, pressure vessel；The pressure vessel includes time of heating flow channel and the connection heating flow channel
Flow runner；The steam generator includes heat exchange runner；The main pump includes influent stream runner and pressurization delivery channel；It is described to steam
The first communicating passage completely cut off with the heat exchange runner is provided with vapour generator；
The compact pressurized water reactor also includes the first bilayer sleeve for connecting the steam generator and pressure vessel
Second double-layer sleeve structure of structure and the connection main pump and steam generator；
First double-layer sleeve structure includes mutually isolated first passage, second channel；Second bilayer sleeve
Structure 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 circulation loop of working medium.
Preferably, first double-layer sleeve structure include the first inner tube and be set in outside first inner tube first outside
Shape between the formation first passage, the first outer wall of inner tube face and the first outer tube wall face in pipe, first inner tube
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 hair
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 spell
The end face seal connect；
Second outer tube includes the 5th pipeline section, the 6th pipeline section, and the 5th pipeline section is arranged on the main pump, and 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 of 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 into first outer tube by the two ends of first outer tube respectively and spelled
Seal and coordinate after grafting between the 3rd pipeline section, the 4th pipeline section connect, 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
Seal and coordinate after grafting between seven pipeline sections, the 8th pipeline section, 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
The first plug division of lateral register is realized provided with engaging corresponding with first location division in face；
The inwall of second outer tube be provided with the second location division, the 7th pipeline section, the 8th pipeline section outside wall surface 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 utility model also constructs a kind of compact pressurized water reactor, including main pump, steam generator, pressure vessel, institute
State backflow runner of the pressure vessel including heating flow channel and the connection heating flow channel；The steam generator includes heat exchange and flowed
Road；The main pump includes influent stream runner and pressurization delivery channel；It is provided with and the heating flow channel, backflow in the pressure vessel
Second communicating passage of runner isolation；
The compact pressurized water reactor also includes the first bilayer sleeve for connecting the steam generator and pressure vessel
Second double-layer sleeve structure of structure and the connection main pump and pressure vessel；
First double-layer sleeve structure includes mutually isolated first passage, second channel；Second bilayer sleeve
Structure 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 circulation loop of working medium.
Preferably, first double-layer sleeve structure include the first inner tube and be set in outside first inner tube first outside
Shape between the formation first passage, the first outer wall of inner tube face and the first outer tube wall face in pipe, first inner tube
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, which 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 spell
The end face seal connect；
Second outer tube includes the 5th pipeline section, the 6th pipeline section, and the 5th pipeline section is arranged on the main pump, and 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 of splicing.
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 into first outer tube by the two ends of first outer tube respectively and spelled
Seal and coordinate after grafting between the 3rd pipeline section, the 4th pipeline section connect, 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
Seal and coordinate after grafting between seven pipeline sections, the 8th pipeline section, 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
The first plug division of lateral register is realized provided with engaging corresponding with first location division in face；
The inwall of second outer tube be provided with the second location division, the 7th pipeline section, the 8th pipeline section outside wall surface 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 compact pressurized water reactor of the present utility model, have the advantages that：The utility model compact pressure
Double-layer sleeve structure is used between each main equipment of main pump, steam generator, pressure vessel of water reactor, each master is reduced and sets
It is the distance between standby, make small-sized pile structure compacter, be easy to the design of integrated support.Meanwhile, primary Ioops system is greatly shortened
The main pipeline length of system, reduces heat loss of the Main Coolant during primary Ioops system circulation, also makes whole primary Ioops system
System is compacter.Further, it can realize that integral lifting is installed using the reactor of double-layer sleeve structure, with respect to raft subset
Pattern more efficient quick that is in place respectively and finally welding.
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 of the compact pressurized water reactor in the utility model embodiment；
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 Fig. 2；
Fig. 4 is the circulation schematic diagram of cooling agent in the loop of the compact pressurized water reactor in the utility model embodiment；
Fig. 5 is the main pump, pressure vessel, steam generation of the compact pressurized water reactor in another embodiment of the utility model
The circulation schematic diagram of cooling agent in loop when device is sequentially connected.
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, compact pressurized water reactor includes main pump 1, steam hair in one preferred embodiment of the utility model
Raw device 2, pressure vessel 3, also can be respectively steam generator 2, pressure vessel 3.Pressure vessel 3 include heating flow channel 31 and
Connect the backflow runner 32 of heating flow channel 31；Steam generator 2 includes heat exchange runner 21；Main pump 1 include influent stream runner 11 and
Pressurize delivery channel 12；The first communicating passage 23 completely cut off with 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,
Connect the second double-layer sleeve structure 5 of main pump 1 and steam generator 2；First double-layer sleeve structure 4 includes mutually isolated first
Passage A, second channel B；Second double-layer sleeve structure 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 circulation loop of working medium,
When main pump 1 provides cooling agent circulation power, cooling agent is allowed along circulation loop circulation.
Double-layer sleeve structure 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.Enter one
Step ground, can realize that integral lifting is installed using the reactor of double-layer sleeve structure, in place and last respectively with respect to raft subset
The pattern of welding more efficient quick.
As shown in Fig. 2 the first double-layer sleeve structure 4 includes the first inner tube 41 and be set in outside the first inner tube 41 first
Formed in outer tube 42, the first inner tube 41 between first passage A, the outside wall surface of the first inner tube 41 and the internal face of the first outer tube 42 and form second
Passage B.
As shown in figure 3, the second double-layer sleeve structure 5 includes the second inner tube 51 and be set in outside the second inner tube 51 second
Third channel C is formed in outer tube 52, the second inner tube 51, the 4th is formed between the outside wall surface of the second inner tube 51 and the internal face of the second outer tube 52
Passage D.
First outer tube 42, the second outer tube 52 are respectively sleeved at the first inner tube 41, outside 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 fluid in two inner tubes 51
Therefore.In the case where pipeline breaking occurs for the first inner tube 41, the second inner tube 51, the first outer tube 42, the second outer tube 52 can be as the
Two roads are protected, it is to avoid cooling agent with radioactive substance etc. flows to out-of-pile, eliminates the large break accident of main pipeline
Possibility, improves security.
As shown in Fig. 2 in certain embodiments, the first outer tube 42 includes the first pipeline section 421, the second pipeline section 422, the 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
Connected after 422 splicings, and the end face seal of splicing.Be respectively equipped with steam generator 2, pressure vessel 3 with the first pipeline section 421,
The corresponding perforate of second pipeline section 422.
Preferably, the first pipeline section 421, the second pipeline section 422 are structure as a whole with steam generator 2, pressure vessel 3 respectively,
Further, the first pipeline section 421, the second pipeline section 422 respectively on steam generator 2, pressure vessel 3 position of opening ozzle shape
Into, it is possible to reduce the number of openings on steam generator 2, pressure vessel 3, equipment processing and manufacturing difficulty is substantially reduced, 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, is also avoided
The problem that main pipeline safe end is welded in conventional pressurized water heap, improves the mechanical performance of weld seam, so as to reduce in-site installation
Workload, it is possible to achieve prefabrication reactor module, then by reactor whole Transporting to factory site, directly lifts, reduces
Assembled in situ flow 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, seals after grafting between the 3rd pipeline section 411,412 liang of relative ends of the 4th pipeline section and coordinates.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, is ensured after the 3rd pipeline section 411, the insertion of the 4th pipeline section 412
Lateral movement 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 pass through removable structure and the component phase in the first outer tube 42 or neighbouring device
Even, it is easy to dismounting to overhaul.Further, it is provided with and seals against each other between the 3rd pipeline section 411,412 liang of relative ends of the 4th pipeline section
Sealing mechanism, it is to avoid stitching position is leaked.
Gap is left between the inner face of 3rd pipeline section 411 and the inner face of the 4th pipeline section 412, to allow the first inner tube 41
Deformation in the axial direction, eliminates thermal stress.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
The hour of section 412, there is an installation gap after the 3rd pipeline section 411, the 4th pipeline section 412 are installed, at end joint, can
To meet the first inner tube 41 under pipeline certain temperature extra axial expansion, the size in gap are produced relative to the first outer tube 42
Can arbitrarily it be adjusted according to application scenario.
Similarly, 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, also
Can completely it be compressed after installing, the gap allowed at end joint is zero.At a certain temperature, the 3rd pipeline section the 411, the 4th
Gap can be produced between pipeline section 412, the first inner tube 41 is met and produces extra axial shrinkage relative to the first outer tube 42.More than
Piping thermal prestressed is eliminated in the case of two kinds, with thermal compensation effect, the first inner tube 41 can be achieved and occurs certain axial thermal expansion position
Extra thermal stress can be eliminated under the operating mode of shifting, the problem of end adpting flange stress is excessive is effectively eliminated, it is ensured that sealing structure
Feature.
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, 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.
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 5th pipeline section 521, the splicing of the 6th pipeline section 522
Connect, and the end face seal of splicing.It is respectively equipped with main pump 1 and steam generator 2 and the 5th pipeline section 521,522 pairs of the 6th pipeline section
The perforate answered.
Preferably, the 5th pipeline section 521, the 6th pipeline section 522 are structure as a whole with main pump 1, steam generator 2 respectively, enter one
Step ground, the 5th pipeline section 521, the 6th pipeline section 522 have main pump 1 respectively, the ozzle of position of opening is formed on pressure vessel 3, can subtract
The number of openings on few main pump 1, steam generator 2, substantially reduces equipment processing and manufacturing 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, be it also avoid in conventional pressurized water heap
The problem of 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, is directly lifted, reduce assembled in situ flow 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, seals after grafting between the 7th pipeline section 511,512 liang of relative ends of the 8th pipeline section and coordinates.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 7th pipeline section 511, the insertion of the 8th pipeline section 512
Produce lateral movement.
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 pass through removable structure and the component phase in the second outer tube 52 or neighbouring device
Even, it is easy to dismounting to overhaul.Further, it is provided with and seals against each other between the 7th pipeline section 511,512 liang of relative ends of the 8th pipeline section
Sealing mechanism, it is to avoid stitching position is leaked.7th pipeline section 511 is detachably connected with main pump 1.8th pipeline section 512 is with steaming
Vapour generator 2 is fixedly connected
Gap is left between the inner face of 7th pipeline section 511 and the inner face of the 8th pipeline section 512, to allow the second inner tube 51
Deformation in the axial direction, eliminates thermal stress.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
The hour of section 512, there is an installation gap after the 7th pipeline section 511, the 8th pipeline section 512 are installed, at end joint, can
To meet the second inner tube 51 under pipeline certain temperature extra axial expansion, the size in gap are produced relative to the second outer tube 52
Can arbitrarily it be adjusted according to application scenario.
Similarly, 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, also
Can completely it be compressed after installing, the gap allowed at end joint is zero.At a certain temperature, the 7th pipeline section the 511, the 8th
Gap can be produced between pipeline section 512, the second inner tube 51 is met and produces extra axial shrinkage relative to the second outer tube 52.More than
Piping thermal prestressed is eliminated in the case of two kinds, with thermal compensation effect, the second inner tube 51 can be achieved and occurs certain axial thermal expansion position
Extra thermal stress can be eliminated under the operating mode of shifting, the problem of end adpting flange stress is excessive is effectively eliminated, it is ensured that sealing structure
Feature.
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, 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.
Preferably due to have substantial amounts of tube bank in steam generator 2, in order to avoid dismounting the first inner tube 41 or the second
Tube bank is sling during inner tube 51 repeatedly, first inner tube 41 corresponding with steam generator 2, the pipeline section of the second inner tube 51 are from steaming
Corresponding first outer tube 42 is installed in the corresponding cavity volume of vapour generator 2, in the second outer tube 52, and it is corresponding with steam generator 2
Chamber be fixedly mounted using modes such as welding, in follow-up maintenance process not pair with the dismounting of the corresponding pipeline section of steam generator 2.
Certainly, first inner tube 41 corresponding with steam generator 2, the pipeline section of the second inner tube 51 also can detachably connect with steam generator 2
Connect.
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
The first inner tube 41 of insertion, the second inner tube 51 in vapour generator 2, and be fixedly connected with steam generator 2, the 4th pipeline section the 412, the 7th
Pipeline section 511 the first outer tube 42 of insertion, the second outer tube 52 by pressure vessel 3, in main pump 1 respectively, and respectively with pressure vessel 3, main
Pump 1 is connected.Preferably, the 4th pipeline section 412, the 7th pipeline section 511 are detachably connected with pressure vessel 3, main pump 1 respectively, are easy to inspection
Repair maintenance.
When compact pressurized water reactor works, main pump 1 makes cooling agent enter pressure vessel by the first communicating passage 23
3, lower heap chamber is reached after first flowing through reflecting layer and heat shielding through the runner 32 that flows back from top to bottom, then flow upward through heating flow channel 31
Reactor core heating after take away the heat of reactor core steam generator 2 entered by the first passage A of the first double-layer sleeve structure 4,
Heat exchange runner 21 is first flowed through still further below upwards, transfers heat to the secondary circuit water of flowing in steam generator 2, secondary circuit water quilt
It is heated to be superheated steam, the reactor coolant after heat exchange enters main pump 1 by the fourth lane D of the second double-layer sleeve structure 5,
Pass through the third channel C of the second double-layer sleeve structure 5, the first communicating passage 23 and the first double braid covering again after being pressurizeed through main pump 1
The first passage A returning pressures container 3 of tubular construction 4, realization continually and steadily takes reactor core heat to the work(of steam generator 2 out of
Energy.
As shown in figure 5, in other embodiments, main pump 1, steam generator 2 and the pressure of compact pressurized water reactor 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 circulation loop of working medium.
When compact pressurized water reactor works, main pump 1 makes cooling agent by the fourth lane D of the second double-layer sleeve structure 5
Pressure vessel 3 is entered, lower heap chamber is reached after first flowing through reflecting layer and heat shielding through the runner 32 that flows back from top to bottom, then flow up
The heat that reactor core is taken away after the reactor core heating of heating flow channel 31 is entered by the first passage A of the first double-layer sleeve structure 4
To steam generator 2, heat exchange runner 21 is first flowed through still further below upwards, transfers heat to two times of flowing in steam generator 2
Lu Shui, secondary circuit water is heated to be superheated steam, and the reactor coolant after heat exchange passes through the second of the first double-layer sleeve structure 4
Passage B, the second communicating passage 33 of pressure vessel 3 and the second double-layer sleeve structure 5 third channel C return main pumps 1, then by
Main pump 1 enters pressure vessel 3 after pressurizeing by the fourth lane D of the second double-layer sleeve structure 5, realizes continual and steady by reactor core
Heat is taken out of to the function of steam generator 2.
Compact compact pressurized water reactor can carry different platform, applied to land or marine several scenes, adapt to many
Plant environmental requirement.Ocean ad-hoc location is transported to as compact compact pressurized water reactor can be placed in hull platform, is marine money
Source production platform provides thermoelectricity water alliance；It can be transported near island, the energy for needed for island provides life；Land can also be placed on
It is that remote districts or the area for having heat supply in winter demand provide electric, hot equal energy source supply in upper nuclear power station factory site.
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 (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 connect the 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）It is interior to be provided with and the heat exchange runner（21）First communicating passage of isolation（23）；
The compact pressurized water reactor also includes connecting the steam generator（2）And pressure vessel（3）The first double braid covering
Tubular construction（4）And connect the main pump（1）And steam generator（2）The second double-layer sleeve structure（5）；
First double-layer sleeve structure（4）Including mutually isolated first passage（A）, second channel（B）；Described second is double-deck
Sleeve structure（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 circulation loop 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, second pipe
Section（422）It is arranged on the pressure vessel（3）On, first pipeline section（421）, the second pipeline section（422）Connect, and spell after splicing
The end face seal connect；
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）Connected after splicing, and the end face seal of splicing.
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）Seal and coordinate 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 seal after grafting and coordinate.
6. compact pressurized water reactor according to claim 5, it is characterised in that first outer tube（42）Inwall on
Provided with the first location division（423）, the 3rd pipeline section（411）, the 4th pipeline section（412）Outside wall surface be provided with it is described first fixed
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 connect the 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）It is interior to be provided with and the heating flow channel（31）, backflow runner（32）Second communicating passage of isolation（33）；
The compact pressurized water reactor also includes connecting the steam generator（2）And pressure vessel（3）The first double braid covering
Tubular construction（4）And connect the main pump（1）And pressure vessel（3）The second double-layer sleeve structure（5）；
First double-layer sleeve structure（4）Including mutually isolated first passage（A）, second channel（B）；Described second is double-deck
Sleeve structure（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
Press delivery channel（12）, fourth lane（D）, backflow runner（32）, heating flow channel（31）, first passage（A）Be sequentially communicated, shape
Into the circulation loop 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, second pipe
Section（422）It is arranged on the steam generator（2）On, first pipeline section（421）, the second pipeline section（422）Connected 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）Connected after splicing, and the end face seal of splicing.
11. compact pressurized water reactor 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 reactor according to claim 9, it is characterised in that first inner tube（41）Including dividing
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）Seal and coordinate 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 seal after grafting and coordinate.
13. compact pressurized water reactor 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 reactor 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720077697.1U CN206505725U (en) | 2017-01-20 | 2017-01-20 | Compact pressurized water reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720077697.1U CN206505725U (en) | 2017-01-20 | 2017-01-20 | Compact pressurized water reactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683717A (en) * | 2017-01-20 | 2017-05-17 | 中广核研究院有限公司 | Compact type pressurized water reactor |
| CN109192336A (en) * | 2018-07-20 | 2019-01-11 | 中广核研究院有限公司 | A kind of small-sized heap primary Ioops main equipment structure of compact of short tube connection |
| CN109273118A (en) * | 2018-08-07 | 2019-01-25 | 中广核研究院有限公司 | A kind of method and system measuring primary Ioops coolant temperature |
| CN112489828A (en) * | 2020-11-26 | 2021-03-12 | 中广核研究院有限公司 | Shielding and cladding device for compactly arranging small-sized piles with large expansion difference |
-
2017
- 2017-01-20 CN CN201720077697.1U patent/CN206505725U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683717A (en) * | 2017-01-20 | 2017-05-17 | 中广核研究院有限公司 | Compact type pressurized water reactor |
| CN109192336A (en) * | 2018-07-20 | 2019-01-11 | 中广核研究院有限公司 | A kind of small-sized heap primary Ioops main equipment structure of compact of short tube connection |
| CN109273118A (en) * | 2018-08-07 | 2019-01-25 | 中广核研究院有限公司 | A kind of method and system measuring primary Ioops coolant temperature |
| CN112489828A (en) * | 2020-11-26 | 2021-03-12 | 中广核研究院有限公司 | Shielding and cladding device for compactly arranging small-sized piles with large expansion difference |
| CN112489828B (en) * | 2020-11-26 | 2024-03-01 | 中广核研究院有限公司 | Shielding and cladding device for compactly arranging small-sized stacks with large expansion difference |
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