CN206672645U - A kind of liquid lithium film flow structure that bottom wall is completely covered - Google Patents
A kind of liquid lithium film flow structure that bottom wall is completely covered Download PDFInfo
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- CN206672645U CN206672645U CN201621450663.4U CN201621450663U CN206672645U CN 206672645 U CN206672645 U CN 206672645U CN 201621450663 U CN201621450663 U CN 201621450663U CN 206672645 U CN206672645 U CN 206672645U
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- bottom wall
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- completely covered
- intermediate bottom
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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
- Y02E30/10—Nuclear fusion reactors
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Abstract
The utility model belongs to flow of fluid control technology field, and in particular to a kind of liquid lithium film flow structure that bottom wall is completely covered.The utility model includes bottom wall, intermediate bottom wall, pipeline and side channel wall composition, this structure generally groove, region between intermediate bottom wall and bottom wall is pipeline, and some circular through holes are provided with intermediate bottom wall, so that liquid metal lithium is flowed into above intermediate bottom wall by circular hole.The utility model proposes method can solve the problems, such as that bottom wall can not be completely covered in the liquid metal that liquid and solid bottom wall wetability are bad and bring, the accommodation of the film streaming system is wider, can well adapt to the position of liquid divertor just as when form the film stream that solid bottom wall is completely covered of large area and flow.
Description
Technical field
The utility model belongs to flow of fluid control technology field, and in particular to a kind of liquid lithium film that bottom wall is completely covered
Flow structure.
Background technology
Controlled nuclear fusion at present still suffers from development suitably in face of plasma material this huge technological challenge, so far
Researcher, which does not find a kind of solid material also, can bear the high hot-fluid impact of fusion reactor and very big neutron simultaneously
Irradiation damage.Therefore the liquid metal lithium of flowing is proposed as fusion reactor and faces plasma material, as fusion reactor high fever
The surface of loadcarrying part (particularly divertor) bears high hot-fluid impact and reduces neutron irradiation damage.Existing research
As a result show that solid high heat load material only up to bear 10MW/m under steady state conditions2Surface heat flow impact, and liquid
Free Surface highest can bear 50MW/m2Surface thermal load；Liquid lithium is good moderation of neutrons and multiplication agent simultaneously, can
Effectively to reduce irradiation damage of the Fusion Neutron to solid structure material；It is cyclically updated by the real-time online for flowing liquid lithium,
Corrosion and the service life problem of similar solid material can be avoided the occurrence of；Can also have additionally by being cyclically updated for liquid lithium
Effect is adsorbed and takes away the foreign particle in plasma, realizes low recycling operational mode, obtains high constraint plasma discharge,
To realizing that the steady-state operation of plasma is very helpful.
But to magnetic confinement fusion heap, the realization of liquid lithium divertor also has many technical barriers to need to solve.Firstly the need of
Solve the problems, such as be how in the environment of fusion reactor high-intensity magnetic field establish can completely cover solid bottom wall and stably, thickness it is uniform
Film stream flowing.Two key factors wherein influenceed are：The wetability and strong magnetic field gradient of liquid lithium and solid bottom wall.It is existing
Test result indicates that when the wetability of liquid lithium and solid bottom wall is very poor, liquid lithium free surface flow is easily punctured into small stream shape
Flow and solid bottom wall can not be completely covered.Following its bottom wall solid material of magnetic confinement fusion heap liquid divertor is deposited with liquid lithium
Wetability is bad the problem of, therefore how to realize that liquid lithium film stream is uniform and stable in the case where wetability is bad and cover completely
Lid solid bottom wall material turns into the key issue for needing solve.
Utility model content
The purpose of this utility model is in view of the foregoing defects the prior art has, there is provided a kind of liquid that bottom wall is completely covered
State lithium film flow structure, designed by channel structure and running system, solid can be completely covered in guiding and control liquid metal lithium
Bottom wall, stable large area lithium film streaming system is obtained, laid the foundation for the realization of fusion reactor liquid divertor.
The technical solution of the utility model is as follows：
A kind of liquid lithium film flow structure that bottom wall is completely covered, including bottom wall, intermediate bottom wall, pipeline and side channel wall group
Into this structure generally groove, the region between intermediate bottom wall and bottom wall is pipeline, and some circles are provided with intermediate bottom wall
Shape through hole, so that liquid metal lithium is flowed into above intermediate bottom wall by circular hole.
A kind of liquid lithium film flow structure that bottom wall is completely covered, this structures slope arrangement, tilts bottom wall, angle of inclination is
10 ° -80 °, liquid metal lithium flows into from the arrival end for tilting the i.e. present apparatus in top got up, and a part of liquid metal lithium is in
Between pipeline flowing between bottom wall and bottom wall, while also have above arrival end intermediate bottom wall the inflow of liquid metal lithium, so as to
The liquid lithium of intermediate bottom wall through hole outflow is mutually mixed to form the lithium film stream that intermediate bottom wall 2 is completely covered flowing.
A kind of liquid lithium film flow structure that bottom wall is completely covered, a diameter of 1-3mm of through hole on the midfeather；Liquid
The vertical two neighboring through hole center spacing d4 in state lithium metal flow direction is 4-6mm；The circle of adjacent two row of streamwise
Hole centre distance d5 is 4-8mm；Flow direction is longitudinal, and the distance d6 of two adjacent center of circular hole is between longitudinally adjacent two row
The radius of through hole.
A kind of liquid lithium film flow structure that bottom wall is completely covered, the liquid metal lithium of the pipeline between bottom wall and intermediate bottom wall
The flow velocity V1 scopes of inflow are 1m/s to 5m/s, the flow velocity V2 scopes that the liquid metal lithium above intermediate bottom wall flows into for 1m/s extremely
5m/s, another V1 need to be more than V2.
A kind of liquid lithium film flow structure that bottom wall is completely covered, the thickness of side channel wall is 1-3mm, and material is ferritic steel
Or vanadium alloy；
The width d3 of bottom wall and intermediate bottom wall is 100-1000mm；
The spacing d2 of bottom wall and intermediate bottom wall is 3-10mm；
The scope of thickness d 1 of lithium film fluid layer is 2-6mm above intermediate bottom wall.
The beneficial effects of the utility model are：
The utility model proposes method can solve that liquid and solid bottom wall wetability be bad and the liquid metal that brings
The problem of bottom wall can not be completely covered, the accommodation of the film streaming system is wider, can well adapt to the position of liquid divertor
Just as when formed large area solid bottom wall is completely covered film stream flow.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is that the utility model structure shows front view.
Fig. 3 is intermediate bottom wall structural representation.
In figure：1st, lithium film fluid layer；2nd, intermediate bottom wall；3rd, pipeline；4th, bottom wall；5th, side channel wall.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the utility model.
A kind of liquid lithium film flow structure that bottom wall is completely covered includes bottom wall 4, intermediate bottom wall 2, pipeline 3 and side channel wall 5
Composition, whole device is a groove.Region between intermediate bottom wall 2 and bottom wall 4 is pipeline 3, if being provided with intermediate bottom wall 2
Circular through hole is done, so that liquid metal lithium flows into the top of intermediate bottom wall 2 by circular hole.
The present apparatus is in tilted layout, and tilts bottom wall 4, further makes liquid metal lithium along 5 inclined direction of side channel wall
Top-down flowing, angle of inclination are 10 ° -80 °, the arrival end stream for the i.e. present apparatus in top that liquid metal lithium gets up from inclination
Enter, a part of liquid metal lithium is flowed by the pipeline 3 between intermediate bottom wall 2 and bottom wall 4 so that liquid metal lithium can pass through
The through hole of intermediate bottom wall 2 enters intermediate bottom wall 2 and flowed above, so as to form the larger profit of coverage on intermediate bottom wall 2
Wet zone；Also there is the inflow of liquid metal lithium above arrival end intermediate bottom wall 2 simultaneously, so as to be flowed out with the through hole of intermediate bottom wall 2
Liquid lithium be mutually mixed to be formed the lithium film stream that intermediate bottom wall 2 is completely covered flowing.
The a diameter of 1-3mm of through hole on midfeather 2；In the vertical two neighboring through hole in liquid metal lithium flow direction
It is in the heart 4-6mm away from d4；The center of circular hole distance d5 of adjacent two row of streamwise is 4-8mm；Flow direction is longitudinal direction, longitudinal
The distance d6 of two adjacent center of circular hole is the radius of through hole between adjacent two row, and circular hole arrangement can ensure intermediate bottom wall quilt
The liquid lithium wetting of its lower pipeline outflow, solves the problems, such as that intermediate bottom wall is unable to effective wetting.
The flow velocity V1 scopes that the liquid metal lithium of pipeline 5 between bottom wall 4 and intermediate bottom wall 2 flows into are 1m/s to 5m/s,
The flow velocity V2 scopes that the liquid metal lithium of the top of intermediate bottom wall 2 flows into are 1m/s to 5m/s, and another V1 need to be more than V2, to ensure bottom
Region is completely filled with by liquid metal between wall and intermediate bottom wall.
The thickness of side channel wall 5 is 1-3mm, and material is ferritic steel or vanadium alloy.
The width d3 of bottom wall 4 and intermediate bottom wall 2 is 100-1000mm.
The spacing d2 of bottom wall 4 and intermediate bottom wall 2 is 3-10mm.
The scope of thickness d 1 of the top lithium film fluid layer 1 of intermediate bottom wall 2 is 2-6mm.
Claims (5)
1. a kind of liquid lithium film flow structure that bottom wall is completely covered, including bottom wall (4), intermediate bottom wall (2), pipeline (3) and side channel
Road wall (5) forms, it is characterised in that：This structure generally groove, the region between intermediate bottom wall (2) and bottom wall (4) is
Pipeline (3), some circular through holes are provided with intermediate bottom wall (2), so that liquid metal lithium flows into intermediate bottom wall (2) by circular hole
Top.
A kind of 2. liquid lithium film flow structure that bottom wall is completely covered as claimed in claim 1, it is characterised in that：This structures slope
Arrangement, tilt bottom wall (4), angle of inclination is 10 ° -80 °, the top i.e. entrance of the present apparatus that liquid metal lithium gets up from inclination
End is flowed into, and a part of liquid metal lithium is flowed by the pipeline (3) between intermediate bottom wall (2) and bottom wall (4), while in arrival end
Also there is the inflow of liquid metal lithium above intermediate bottom wall (2), so as to be mutually mixed with the liquid lithium of intermediate bottom wall (2) through hole outflow
The lithium film stream flowing of intermediate bottom wall (2) is completely covered in formation.
A kind of 3. liquid lithium film flow structure that bottom wall is completely covered as claimed in claim 1, it is characterised in that：The middle bottom
The a diameter of 1-3mm of through hole on wall (2)；The vertical two neighboring through hole center spacing d4 in liquid metal lithium flow direction is
4-6mm；The center of circular hole distance d5 of adjacent two row of streamwise is 4-8mm；Flow direction for longitudinal direction, longitudinally adjacent two row it
Between adjacent two center of circular hole distance d6 be through hole radius.
A kind of 4. liquid lithium film flow structure that bottom wall is completely covered as claimed in claim 1, it is characterised in that：Bottom wall (4) with
The flow velocity V1 scopes that the liquid metal lithium of pipeline (3) between intermediate bottom wall (2) flows into are 1m/s to 5m/s, intermediate bottom wall (2)
The flow velocity V2 scopes that the liquid metal lithium of top flows into are 1m/s to 5m/s, and another V1 need to be more than V2.
A kind of 5. liquid lithium film flow structure that bottom wall is completely covered as claimed in claim 1, it is characterised in that：Side channel wall
(5) thickness is 1-3mm, and material is ferritic steel or vanadium alloy；
The width d3 of bottom wall (4) and intermediate bottom wall (2) is 100-1000mm；
The spacing d2 of bottom wall (4) and intermediate bottom wall (2) is 3-10mm；
The scope of thickness d 1 of lithium film fluid layer (1) is 2-6mm above intermediate bottom wall (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621450663.4U CN206672645U (en) | 2016-12-28 | 2016-12-28 | A kind of liquid lithium film flow structure that bottom wall is completely covered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621450663.4U CN206672645U (en) | 2016-12-28 | 2016-12-28 | A kind of liquid lithium film flow structure that bottom wall is completely covered |
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| Publication Number | Publication Date |
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| CN206672645U true CN206672645U (en) | 2017-11-24 |
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| CN201621450663.4U Active CN206672645U (en) | 2016-12-28 | 2016-12-28 | A kind of liquid lithium film flow structure that bottom wall is completely covered |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257682A (en) * | 2016-12-28 | 2018-07-06 | 核工业西南物理研究院 | A kind of liquid lithium film flow structure that bottom wall is completely covered |
| CN109362168A (en) * | 2018-12-13 | 2019-02-19 | 北京中百源国际科技创新研究有限公司 | A kind of liquid target guiding piece being used to form film stream |
-
2016
- 2016-12-28 CN CN201621450663.4U patent/CN206672645U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257682A (en) * | 2016-12-28 | 2018-07-06 | 核工业西南物理研究院 | A kind of liquid lithium film flow structure that bottom wall is completely covered |
| CN109362168A (en) * | 2018-12-13 | 2019-02-19 | 北京中百源国际科技创新研究有限公司 | A kind of liquid target guiding piece being used to form film stream |
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