CN107103936A - A kind of truss-like flow distribution device and in-pile component - Google Patents
A kind of truss-like flow distribution device and in-pile component Download PDFInfo
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- CN107103936A CN107103936A CN201710535722.0A CN201710535722A CN107103936A CN 107103936 A CN107103936 A CN 107103936A CN 201710535722 A CN201710535722 A CN 201710535722A CN 107103936 A CN107103936 A CN 107103936A
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- truss
- reactor core
- pressure vessel
- supporting plate
- lower supporting
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of truss-like flow distribution device and in-pile component, it is related to technical field of nuclear power.The present invention provides a kind of truss-like flow distribution device, including pressure vessel, reactor core lower supporting plate, lattice supporting framework and assignment of traffic dividing plate.Reactor core lower supporting plate is provided with multiple first pod apertures, and reactor core lower supporting plate is connected with pressure vessel, and traffic channel is provided between reactor core lower supporting plate and pressure vessel, and traffic channel is connected with the lower chambers of pressure vessel.Lattice supporting framework is arranged at the bottom chamber of pressure vessel, and is connected respectively with pressure vessel and reactor core lower supporting plate.Assignment of traffic dividing plate is installed on lattice supporting framework.The present invention also provides a kind of in-pile component.Truss-like flow distribution device and in-pile component that the present invention is provided are simple in construction, process and to install simple, easy to maintenance, reliability high.Meanwhile, the features such as it has good vortex inhibition, good assignment of traffic effect and good support effect.
Description
Technical field
The present invention relates to technical field of nuclear power, in particular to a kind of truss-like flow distribution device and in-pile component.
Background technology
The pressurized water type reaction reator body of nuclear power station includes reactor pressure vessel, in-pile component, reactor core assembly and reactor core instrument
The parts such as table, reactor pressure vessel, in-pile component and fuel assembly structure provide to cool down the cooling agent of reactor core together in itself
Rational runner.General pressurized water nuclear reactor is made up of 2-4 coolant loop, in each coolant loop, cooling agent
Enter pressure vessel via the entrance sleeve on pressure vessel, most cooling agents are along between core barrel and pressure vessel
Descending branch is flowed downward, until changing direction after entering pressure vessel lower chambers, the entrance of reactor core lower supporting plate is flowed through then up
Cooled reactor reactor core after reactor core, the cooling agent after being heated enters upper chamber, then via the discharge connection stream on pressure vessel
Go out pressure vessel.But, because the low head of pressure vessel is generally spherical or dish, it is surrounded with reactor core lower supporting plate
Lower chambers near hemispherical, when the decline mixing ring cavity that cooling agent is formed from hanging basket ring segment and internal pressure vessel walls enters lower chambers
When, will be because runner drastically changes and produces a large amount of vortex in bottom chamber.The vortex of bottom chamber formation, on the one hand can cause
The coolant flow that the fuel assembly of diverse location is flowed through into heap in-core is uneven, so as to cause cooling effect inconsistent；Separately
On the one hand in-pile component can be increased the risk for loosening or coming off is produced because of whirlpool.Therefore, in design nuclear reactor in-pile component
When, it will usually set vortex to suppress below reactor core or eliminate the device with assignment of traffic, on the one hand suppress or disappear by being vortexed
Except device is first mixed to the vortex formed in lower chambers, cooling agent is set to keep certain degree of stability；On the other hand pass through
Flow distribution device (as crossed water fence and reactor core lower supporting plate) is repeatedly evenly distributed to the cooling agent for entering reactor core, makes stream
Cooling agent through reactor core fuel component keeps the higher uniformity.In addition, being reply reactor core tenesmus accident, in design nuclear reaction
During heap in-pile component, it will usually secondary support meanss are set below reactor core, Auxiliary support is provided for reactor core assembly.
Existing flow distribution device mainly has 1) hemispherical, dish or annular porous fence, this structure assignment of traffic
Effect preferably, but processes complex, and resistance coefficient is of a relatively high；2) one or more layers orifice-plate type structure, this structure flow
Distribution effects is undesirable, and structure and installation are relative complex, are not easy to maintenance, and resistance coefficient is also of a relatively high；3) by one
It machined the isolating construction that the assignment of traffic ring and one piece of vortex suppression of a large amount of discharge orifices are engaged, this structure flow
Relative ideal is distributed, but assignment of traffic ring is weldingly fixed on pressure vessel, is repaired extremely difficult.
The existing secondary support meanss of reactor core it is main by some secondary core support posts and gripper shoe groups into secondary support column
It is fixed together by bolt with reactor core lower supporting plate, this apparatus structure and installation are complex, and easily exist larger
Vortex shedding risk.
The content of the invention
It is an object of the invention to provide a kind of truss-like flow distribution device, its simple in construction, processing and install it is simple,
Easy to maintenance, reliability is high.Meanwhile, the features such as it has good vortex inhibition, good assignment of traffic effect and good support effect.
Another object of the present invention is to provide a kind of in-pile component, its is simple in construction, processing and install simple, maintenance side
Just, reliability is high.Meanwhile, the features such as it has good vortex inhibition, good assignment of traffic effect and good support effect.
The present invention provides a kind of technical scheme：
A kind of truss-like flow distribution device, for carrying out assignment of traffic to cooling agent.Truss-like flow distribution device bag
Include pressure vessel, reactor core lower supporting plate, lattice supporting framework and assignment of traffic dividing plate.Reactor core lower supporting plate has multiple first water conservancy diversion
Hole, reactor core lower supporting plate is connected with pressure vessel, and traffic channel, flow are provided between reactor core lower supporting plate and pressure vessel
Passage is connected with the lower chambers of pressure vessel, so that cooling agent enters the lower chambers of pressure vessel through traffic channel.Truss support
Structure setting is connected with pressure vessel and reactor core lower supporting plate respectively in the bottom chamber of pressure vessel.Assignment of traffic dividing plate
It is installed on lattice supporting framework, to pass a coolant through assignment of traffic dividing plate, and reactor core is flowed into by the first pod apertures.
Further, above-mentioned lattice supporting framework includes the first truss structure and the second truss structure, the first truss structure
It is connected with the second truss structure, the one end of the first truss structure away from the second truss structure is connected with pressure vessel, the second truss
The one end of structure away from the first truss structure is connected with reactor core lower supporting plate, and assignment of traffic dividing plate is installed on the second truss structure
On.
Further, above-mentioned second truss structure includes multiple positive tetrahedron truss elements, multiple positive tetrahedron truss lists
Member is sequentially connected, and one end of positive tetrahedron truss element is connected with reactor core lower supporting plate, and the other end and the first truss structure connect
Connect, wherein three faces of positive tetrahedron truss element are provided with assignment of traffic dividing plate.
Further, three faces of the above-mentioned positive tetrahedron truss element away from reactor core lower supporting plate are provided with assignment of traffic
Dividing plate.
Further, above-mentioned pressure vessel is provided with the first mounting groove coordinated with the first truss structure.
Further, the second mounting groove coordinated with the second truss structure is provided with above-mentioned reactor core lower supporting plate.
Further, above-mentioned pressure vessel is provided with energy snubber platform, and energy snubber platform is held in pressure vessel and truss
Between supporting construction.
Further, above-mentioned pressure vessel is additionally provided with multiple and reactor core lower supporting plate clamping support base.
Further, the first Access Division is provided with above-mentioned support base, reactor core lower supporting plate is set close to the side of support base
It is equipped with the second Access Division, the first Access Division and the second Access Division clamping.
A kind of in-pile component, including truss-like flow distribution device.Truss-like flow distribution device includes pressure vessel, heap
Core lower supporting plate, lattice supporting framework and assignment of traffic dividing plate.Reactor core lower supporting plate has to be supported under multiple first pod apertures, reactor core
Plate is connected with pressure vessel, and traffic channel is provided between reactor core lower supporting plate and pressure vessel, and traffic channel holds with pressure
The lower chambers connection of device, so that cooling agent enters the lower chambers of pressure vessel through traffic channel.Lattice supporting framework is arranged at pressure
The bottom chamber of force container, and be connected respectively with pressure vessel and reactor core lower supporting plate.Assignment of traffic dividing plate is installed on truss branch
On support structure, to pass a coolant through assignment of traffic dividing plate, and reactor core is flowed into by the first pod apertures.
Compared with prior art, the beneficial effect of the truss-like flow distribution device provided and in-pile component of the invention is：
Cooling agent enters the lower chambers of pressure vessel by traffic channel, and due to the reason such as flow velocity is big, cooling agent is in pressure
Vortex can be produced in the lower chambers of container.Being connected to lattice supporting framework between reactor core lower supporting plate and pressure vessel can be by
Vortex section is eliminated.Meanwhile, the assignment of traffic dividing plate on lattice supporting framework is installed on, can be to cold when cooling agent passes through
But agent carries out shunting and further eliminates vortex.Cooling agent passes through first on reactor core lower supporting plate after assignment of traffic dividing plate
Pod apertures flow into reactor core.Truss-like flow distribution device and in-pile component that the present invention is provided are simple in construction, processing and install letter
Single, easy to maintenance, reliability is high.Meanwhile, the spy such as it has a vortex inhibition is good, assignment of traffic effect is good and support effect is good
Point.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described.It should be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of scope.For those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
The structural representation for the truss-like flow distribution device that Fig. 1 provides for the first embodiment of the present invention；
The structural representation for the lattice supporting framework that Fig. 2 provides for the first embodiment of the present invention；
The structural representation for the first mounting groove that Fig. 3 provides for the first embodiment of the present invention；
The structural representation for the pressure vessel that Fig. 4 provides for the first embodiment of the present invention；
The structural representation for the reactor core lower supporting plate that Fig. 5 provides for the first embodiment of the present invention.
Icon：100- truss-like flow distribution devices；110- pressure vessels；The mounting grooves of 111- first；112- support bases；
The Access Divisions of 1121- first；120- reactor core lower supporting plates；The pod apertures of 121- first；The mounting grooves of 122- second；The clampings of 123- second
Portion；130- lattice supporting frameworks；The truss structures of 131- first；The truss structures of 132- second；140- assignment of traffic dividing plates；141-
Two pod apertures；150- energy snubber platforms；160- traffic channels.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is to be understood that term " on ", " under ", " interior ", " outer ", "left", "right" etc. are indicated
Orientation or position relationship be that, based on orientation shown in the drawings or position relationship, or the invention product is usually put when using
Orientation or position relationship, or the orientation that usually understands of those skilled in the art or position relationship, be for only for ease of and retouch
State the present invention and simplify description, rather than indicate or imply that the equipment or element of meaning there must be specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, " setting ", " company
Connect " etc. term should be interpreted broadly, for example, " connection " can be fixedly connected or be detachably connected, or integratedly connect
Connect；Can be mechanical connection or electrical connection；Can be directly connected to, can also be indirectly connected with by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, it can understand above-mentioned as the case may be
The concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail.
First embodiment
Referring to Fig. 1, a kind of truss-like flow distribution device 100 is present embodiments provided, its simple in construction, processing and peace
Fill simple, easy to maintenance, reliability high.Meanwhile, it has, and vortex inhibition is good, assignment of traffic effect is good and support effect is good
The features such as.
The truss-like flow distribution device 100 that the present embodiment is provided is used to carry out flow point to the cooling agent for entering reactor core
Match somebody with somebody.
The truss-like flow distribution device 100 that the present embodiment is provided includes pressure vessel 110, reactor core lower supporting plate 120, purlin
Frame support structure 130, assignment of traffic dividing plate 140 and energy snubber platform 150.
Reactor core lower supporting plate 120 is provided with multiple first pod apertures 121, and reactor core lower supporting plate 120 connects with pressure vessel 110
Connect, and traffic channel 160 is provided between reactor core lower supporting plate 120 and pressure vessel 110.Traffic channel 160 and pressure vessel
110 lower chambers connection, so that cooling agent enters the lower chambers of pressure vessel 110 through traffic channel 160.Lattice supporting framework
130 are arranged at the bottom chamber of pressure vessel 110, and are connected respectively with pressure vessel 110 and reactor core lower supporting plate 120.Flow
Distribute dividing plate 140 and be provided with multiple second pod apertures 141, and assignment of traffic dividing plate 140 is installed on lattice supporting framework 130,
To pass a coolant through the second pod apertures 141 on assignment of traffic dividing plate 140, and via first on reactor core lower supporting plate 120
Pod apertures 121 flow into reactor core.
It is appreciated that lattice supporting framework 130 is made up of some truss.Lattice supporting framework 130 and pressure vessel
Connected mode between 110 and reactor core lower supporting plate 120 both can be by weld etc. mode connect as one or with
The mode such as clamping or bolt is detachably connected.Assignment of traffic dividing plate 140 is installed on mode on lattice supporting framework 130 can be with
It is clamping or welding, can also is other connected modes.
It is appreciated that cooling agent carries out the lower chambers of pressure vessel 110 by traffic channel 160, wait former because flow velocity is big
Cause, cooling agent can produce vortex in the lower chambers of pressure vessel 110.It is connected to reactor core lower supporting plate 120 and pressure vessel 110
Between lattice supporting framework 130 vortex section can be eliminated.That is, lattice supporting framework 130, which can be played, suppresses vortex
Effect.Meanwhile, the assignment of traffic dividing plate 140 being installed on lattice supporting framework 130, can be to cooling agent when cooling agent passes through
Carry out shunting and further eliminate vortex.Cooling agent passes through reactor core after the second pod apertures 141 on assignment of traffic dividing plate 140
The first pod apertures 121 on lower supporting plate 120 flow into reactor core.
Referring to Fig. 2, the lattice supporting framework 130 that the present embodiment is provided includes the first truss structure 131 and the second truss
Structure 132, the first truss structure 131 is connected with the second truss structure 132, and the first truss structure 131 is away from the second truss structure
132 one end is connected with pressure vessel 110, is propped up under the second truss structure 132 one end and reactor core away from the first truss structure 131
Fagging 120 is connected, and assignment of traffic dividing plate 140 is installed on the second truss structure 132.
It is appreciated that the first truss structure 131 and the second truss structure 132 are made up of some straight-bars.
In the present embodiment, the second truss structure 132 includes multiple positive tetrahedron truss elements (figure is not marked), multiple positive four
Face body truss element is sequentially connected, and one end of positive tetrahedron truss element is connected with reactor core lower supporting plate 120, the other end and
One truss structure 131 is connected, and wherein three faces of positive tetrahedron truss element are provided with assignment of traffic dividing plate 140.
It is appreciated that in four faces of positive tetrahedron truss element, wherein have be provided with three faces assignment of traffic every
Plate 140.Cooling agent is by the assignment of traffic dividing plate 140 on these three faces, then passes through the first water conservancy diversion on reactor core lower supporting plate 120
Hole 121 flows into reactor core.
In the present embodiment, three faces of the positive tetrahedron truss element away from reactor core lower supporting plate 120 are provided with flow
Distribute dividing plate 140.
Meanwhile, in the present embodiment, the number of positive tetrahedron truss element is six, this six positive tetrahedron truss elements
The end shape of composition is regular hexagon.
In the present embodiment, the connection between lattice supporting framework 130 and pressure vessel 110 and reactor core lower supporting plate 120
Mode using detachably connected, to facilitate the installation and removal of lattice supporting framework 130, and then is easy to the present embodiment
The maintenance and maintenance of the truss-like flow distribution device 100 of offer.
Fig. 1 and Fig. 3 are please referred to, in the present embodiment, pressure vessel 110 is provided with matches somebody with somebody with the first truss structure 131
The first mounting groove 111 closed.
It should be noted that because the truss-like flow distribution device 100 of the present embodiment offer is in pressure vessel 110 and purlin
Energy snubber platform 150 is additionally provided between frame support structure 130, so for the convenience of design and installation, the first mounting groove 111
It is arranged on energy snubber platform 150.
The effect of energy snubber platform 150 is, when the driving truss supporting construction 130 of reactor core lower supporting plate 120 is towards pressure
During the lower chambers motion of container 110, energy snubber platform 150 can form buffering between lattice supporting framework 130 and pressure are accommodating,
And then reduce the rigid contact between pressure vessel 110 and lattice supporting framework 130.
It is made up in the present embodiment, it is possible to measure buffer table 150 of elastomeric material.Certainly, it is not limited to that, in this hair
In bright other embodiment, energy snubber platform 150 can also realize function of buffering etc. in the form of setting spring.
Fig. 4 and Fig. 5 are please referred to, in the present embodiment, is provided with reactor core lower supporting plate 120 and the second truss structure
132 the second mounting grooves 122 coordinated.
In the present embodiment, the connected mode between reactor core lower supporting plate 120 and pressure vessel 110 is removably to connect
Connect.
It is appreciated that detachably connected between reactor core lower supporting plate 120 and pressure vessel 110 is for the ease of under reactor core
The installation and removal of supporting plate 120, and then it is easy to the maintenance, maintenance and replacing of reactor core lower supporting plate 120.Meanwhile, propped up under reactor core
The detachably connected installation and removal also for lattice supporting framework 130 are provided just between fagging 120 and pressure vessel 110
Profit.
It is appreciated that detachably connecting between lattice supporting framework 130 and reactor core lower supporting plate 120 and pressure vessel 110
Connect and further set on the basis of reactor core lower supporting plate 120 is detachably connected with pressure vessel 110.
In the present embodiment, pressure vessel 110 is provided with the multiple and clamping of reactor core lower supporting plate 120 support base 112.Branch
The first Access Division 1121 is provided with support seat 112, reactor core lower supporting plate 120 is provided with the second card close to the side of support base 112
Socket part 123, the first Access Division 1121 and the clamping of the second Access Division 123.
The beneficial effect for the truss-like flow distribution device 100 that the present embodiment is provided：Cooling agent is entered by traffic channel 160
The lower chambers of row pressure vessel 110, due to the reason such as flow velocity is big, cooling agent can produce whirlpool in the lower chambers of pressure vessel 110
Stream.The lattice supporting framework 130 being connected between reactor core lower supporting plate 120 and pressure vessel 110 can eliminate vortex section.
Meanwhile, the assignment of traffic dividing plate 140 being installed on lattice supporting framework 130 can be carried out when cooling agent passes through to cooling agent
Shunting and further elimination vortex.Cooling agent after the second pod apertures 141 on assignment of traffic dividing plate 140 by reactor core under prop up
The first pod apertures 121 on fagging 120 flow into reactor core.The present embodiment provide truss-like flow distribution device 100 it is simple in construction,
Process and install simple, easy to maintenance, reliability high.Meanwhile, it has, and vortex inhibition is good, assignment of traffic effect is good and props up
Support the features such as effect is good.
Second embodiment
A kind of in-pile component (not shown) is present embodiments provided, its is simple in construction, processing and install simple, maintenance side
Just, reliability is high.Meanwhile, the features such as it has good vortex inhibition, good assignment of traffic effect and good support effect.
The reaction reator body (not shown) and first embodiment that the in-pile component that this implementation is provided includes being connected with each other are provided
Truss-like flow distribution device 100.
It is appreciated that above-mentioned connection both can be welding etc. connect as one or the detachable of bolt etc. connects
Connect.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of truss-like flow distribution device, for carrying out assignment of traffic to the cooling agent for entering reactor core, it is characterised in that institute
Stating truss-like flow distribution device includes pressure vessel, reactor core lower supporting plate, lattice supporting framework and assignment of traffic dividing plate；
The reactor core lower supporting plate is provided with multiple first pod apertures, and the reactor core lower supporting plate is connected with the pressure vessel, and
Traffic channel, the traffic channel and the pressure vessel are provided between the reactor core lower supporting plate and the pressure vessel
Lower chambers are connected, so that the cooling agent enters the lower chambers of the pressure vessel through the traffic channel；
The lattice supporting framework is arranged at the bottom chamber of the pressure vessel, and respectively with the pressure vessel and the heap
Core lower supporting plate is connected；
The assignment of traffic dividing plate is provided with multiple second pod apertures, and the assignment of traffic dividing plate is installed on the lattice supporting framework
On, so that the cooling agent is by second pod apertures, and enter the reactor core by first pod apertures.
2. truss-like flow distribution device according to claim 1, it is characterised in that the lattice supporting framework includes the
One truss structure and the second truss structure, first truss structure are connected with second truss structure, first truss
The one end of structure away from second truss structure is connected with the pressure vessel, and second truss structure is away from described first
One end of truss structure is connected with the reactor core lower supporting plate, and the assignment of traffic dividing plate is installed on second truss structure
On.
3. truss-like flow distribution device according to claim 2, it is characterised in that second truss structure includes many
Individual positive tetrahedron truss element, multiple positive tetrahedron truss elements are sequentially connected, and the positive tetrahedron truss element
One end is connected with the reactor core lower supporting plate, and the other end is connected with first truss structure, the positive tetrahedron truss element
Wherein three faces be provided with the assignment of traffic dividing plate.
4. truss-like flow distribution device according to claim 3, it is characterised in that the positive tetrahedron truss element is remote
Three faces from the reactor core lower supporting plate are provided with assignment of traffic dividing plate.
5. truss-like flow distribution device according to claim 2, it is characterised in that the pressure vessel is provided with and institute
State the first mounting groove of the first truss structure cooperation.
6. truss-like flow distribution device according to claim 2, it is characterised in that set on the reactor core lower supporting plate
There is the second mounting groove coordinated with second truss structure.
7. the truss-like flow distribution device according to any one in claim 1-6, it is characterised in that the pressure holds
Device is provided with energy snubber platform, and the energy snubber platform is held between the pressure vessel and the lattice supporting framework.
8. the truss-like flow distribution device according to any one in claim 1-6, it is characterised in that the pressure holds
Device is provided with multiple and reactor core lower supporting plate clamping support base.
9. truss-like flow distribution device according to claim 8, it is characterised in that be provided with first on the support base
Access Division, the reactor core lower supporting plate is provided with the second Access Division close to the side of the support base, first Access Division with
Second Access Division clamping.
10. a kind of in-pile component, it is characterised in that including the truss-like flow point as described in any one in claim 1-9
With device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535722.0A CN107103936B (en) | 2017-07-03 | 2017-07-03 | Truss type flow distribution device and internal pile member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535722.0A CN107103936B (en) | 2017-07-03 | 2017-07-03 | Truss type flow distribution device and internal pile member |
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| CN107103936A true CN107103936A (en) | 2017-08-29 |
| CN107103936B CN107103936B (en) | 2023-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887623A (en) * | 2019-01-25 | 2019-06-14 | 中广核研究院有限公司 | A kind of pool lead base fast reactor with labyrinth path |
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