CN203465954U - Insulation assembly for nuclear fusion reactor - Google Patents
Insulation assembly for nuclear fusion reactor Download PDFInfo
- Publication number
- CN203465954U CN203465954U CN201320544631.0U CN201320544631U CN203465954U CN 203465954 U CN203465954 U CN 203465954U CN 201320544631 U CN201320544631 U CN 201320544631U CN 203465954 U CN203465954 U CN 203465954U
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- CN
- China
- Prior art keywords
- packing ring
- insulation assembly
- donut packing
- vacuum chamber
- donut
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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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- Plasma Technology (AREA)
Abstract
The utility model relates to an insulation assembly for a nuclear fusion reactor and particularly relates to the insulation assembly for insulation between a direct current glow electrode and a vacuum chamber device wall for the nuclear fusion reactor. The insulation assembly comprises a nut, a cover cap, a concave and convex type concentric ring gasket, flat type concentric ring gaskets having different drift diameters, an electrode fixing board, a fixing bolt, a concave and convex type concentric ring gasket having a sleeve structure and the vacuum chamber device wall, wherein the concave and convex type concentric ring gasket having the sleeve structure, the electrode fixing board, the flat type concentric ring gaskets having different drift diameters, the concave and convex type concentric ring gasket and the cover cap are sequentially stacked and sleeved on the fixing bolt, one end of the fixing bolt is equipped with the nut used for fastening a ceramic insulation member and the electrode fixing board, and the other end of the fixing bolt is connected with the vacuum chamber device wall. The insulation assembly directly determines a processing effect of the nuclear fusion vacuum chamber device wall, and plasma discharge quality is further determined. The insulation assembly is especially applied to a Tokamak device in a nuclear fusion vacuum chamber, a first wall of the Tokamak device is equipped with graphite, and fiber is used.
Description
Technical field
The utility model relates to a kind of insulation assembly, is specifically related to a kind of insulation assembly for fusion reactor.
Background technology
It is one of effective ways that nuclear fusion vacuum chamber carried out wall processing that direct current glow discharge is cleaned, and is a kind of electrode discharge that has of stable state: negative pole is vacuum chamber, and positive pole is the some electrodes that stretch into vacuum chamber.By interelectrode direct-current discharge, the light impurities such as the oxygen adsorbing on vacuum chamber wall, carbon are removed.Voltage between two electrodes is up to 300-400 volt.The quality insulating between DC glow electrode and vacuum chamber wall, is directly connected to the effect that vacuum chamber wall is processed, and then determines the quality of plasma discharge.Based on above reason, be necessary to develop a set of insulation assembly, while making nuclear fusion device direct current glow discharge, between glow discharge electrode and vacuum chamber, obtain good insulation effect.At present, not yet relevant for the report of the insulation assembly meeting the demands.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of insulation assembly, for the insulation between DC glow electrode and nuclear fusion vacuum chamber wall, thereby provides condition to guarantee for obtaining good vacuum chamber wall cleaning performance.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows: a kind of insulation assembly for fusion reactor, the structure of insulating effect and the structure of elimination discharge generation impurity have been comprised, wherein, the structure that plays insulating effect comprises plate donut packing ring, electrode fixed head, set bolt and sleeve-shaped donut packing ring; Set bolt is fixed on the interior wall of vacuum chamber, and overlaps and have sleeve-shaped donut packing ring, electrode fixed head and donut packing ring successively on set bolt, and guarantees that electrode fixed head does not contact with wall in set bolt, vacuum chamber; The structure of described elimination discharge generation impurity comprises successively and being enclosed within on set bolt, and lenticular donut packing ring, block and nut on the plate donut packing ring being positioned at.
Described sleeve-shaped donut packing ring is the tube-in-tube structure that outside surface is multidiameter shape vertically, it comprises the less external diameter ladder of upper end larger external diameter ladder shaft part and lower end shaft part, described larger external diameter ladder shaft part end face contacts with wall in described vacuum chamber, and described less external diameter ladder shaft part is respectively through circular hole, plate donut packing ring and lenticular donut packing ring joint on electrode fixed head.
Between described sleeve-shaped donut packing ring and the circular hole on electrode fixed head, it is interference fit.
Described lenticular donut packing ring lower end contacts with plate annulus packing ring, and described block open end edge does not contact with electrode fixed head.
Described lenticular donut packing ring is for having one or two lenticular donut packing ring.
In described set bolt and vacuum chamber between wall, be connected to welding.
Described nut, electrode fixed head and set bolt are stainless steel material.
Described block, lenticular donut packing ring, different plate donut packing ring, the sleeve-shaped donut packing rings of latus rectum are stupalith.
Useful technique effect of the present utility model is: the utility model is a kind of insulation assembly, and design has adopted that a set of insulation degree is high, good reliability, economical and practical and easily changeable nonstandard workpiece.Use it, can greatly improve insulating property between DC glow electrode and vacuum chamber wall, for fusion facility direct current glow discharge, clean reliable technique guarantee is provided, thereby obtain satisfied wall treatment effect.
Accompanying drawing explanation
Fig. 1 is a kind of insulation assembly schematic diagram provided by the utility model;
Fig. 2 is the schematic diagram of blocking a shot in a kind of insulation assembly provided by the utility model;
Fig. 3 is the schematic diagram of lenticular donut packing ring in a kind of insulation assembly provided by the utility model;
Fig. 4 is the schematic diagram of a kind of insulation assembly middle plateform type donut packing ring provided by the utility model;
Fig. 5 is the schematic diagram of electrode fixed head in a kind of insulation assembly provided by the utility model;
Fig. 6 is the schematic diagram of a kind of insulation assembly middle sleeve shape donut packing ring provided by the utility model;
In figure: wall in 1 nut, 2 blocks, 3 lenticular donut packing rings, 4 plate donut packing rings, 5 electrode fixed heads, 6 set bolts, 7 sleeve-shaped donut packing rings, 8 vacuum chambers.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further:
A kind of insulation assembly provided by the utility model, comprise nut 1, block 2, lenticular donut packing ring 3, plate donut packing ring 4, electrode fixed head 5, set bolt 6, wall 8 in sleeve-shaped donut packing ring 7 and vacuum chamber, wherein, set bolt 6 is welded on the interior wall 8 of vacuum chamber, at set bolt 6, install sleeve-shaped donut packing ring 7 additional, described sleeve-shaped donut packing ring 7 is the tube-in-tube structure that outside surface is multidiameter shape vertically, comprise the less external diameter ladder of lower end larger external diameter ladder shaft part and upper end shaft part, sleeve-shaped donut packing ring 7 lower end larger external diameter ladder shaft part end faces contact with wall 8 in described vacuum chamber, upper end less external diameter ladder shaft part is respectively through the circular hole on electrode fixed head 5, plate donut packing ring 4 contacts with lenticular donut packing ring 3, between circular hole on described sleeve-shaped donut packing ring 7 and electrode fixed head 5, it is interference fit.Described plate donut packing ring 4 is plate donut packing ring.The sleeve-shaped donut packing ring 7 less external diameters in upper end pass electrode fixed head 5, and at the outer cushioning upper flat plate of electrode fixed head 5 type donut packing ring 4, have realized the Insulation Problems of electrode fixed head 5 with set bolt 6, the interior wall 8 of vacuum chamber.At set bolt 6, also overlap successively and have lenticular donut packing ring 3 and block 2, and compress by nut 1, wherein, block 2 is buckled on lenticular donut packing ring 3 and plate donut packing ring 4, described block 2 inwall radiuses are greater than the radius of lenticular donut packing ring 3 and plate donut packing ring 4, 2 the cylindrical form interior surface of making to block a shot does not contact with lenticular donut packing ring 3 and plate donut packing ring 4 and outward flange, 2 open end edge that make to block a shot do not contact with electrode fixed head 5 simultaneously yet, on this, the realization of several steps has solved the impurity effect Insulation Problems of discharge generation.
The design of block 2 and lenticular donut packing ring 3, sleeve-shaped donut packing ring 7, can protect the impurity producing during direct current glow discharge cleaning and plasma discharge, because the ion of escaping out because of bombardment vacuum chamber wall, main plasma during direct current glow discharge cleaning and plasma discharge, the electric conduction phenomena that electron institute produces, utilize the form of block 2 buttons, guaranteed that the impurity that lenticular donut packing ring 3, plate donut packing ring 4 produce during not being discharged sputters at surface, to have played insulating effect.
Described lenticular donut packing ring 3 is for having the donut packing ring of one or two tongue and groove.
Nut 1, electrode fixed head 5, set bolt 6 are stainless steel material.Block 2, lenticular donut packing ring 3, different plate donut packing ring 4, the sleeve-shaped donut packing rings 7 of latus rectum are stupalith.
In conjunction with the accompanying drawings and embodiments the utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.The content not being described in detail in the utility model all can adopt prior art.
Claims (8)
1. the insulation assembly for fusion reactor, it is characterized in that: comprised the structure of insulating effect and the structure of elimination discharge generation impurity, wherein, the structure that plays insulating effect comprises plate donut packing ring (4), electrode fixed head (5), set bolt (6) and sleeve-shaped donut packing ring (7); Set bolt (6) is fixed on the interior wall (8) of vacuum chamber, and overlap and have sleeve-shaped donut packing ring (7), electrode fixed head (5) and donut packing ring (4) successively, and guarantee that electrode fixed head (5) does not contact with wall (8) in set bolt (6), vacuum chamber on set bolt (6); The structure of described elimination discharge generation impurity comprises that to be enclosed within successively set bolt (6) upper, and the lenticular donut packing ring (3) on the plate donut packing ring (4) being positioned at, block (2) and nut (1).
2. a kind of insulation assembly for fusion reactor according to claim 1, it is characterized in that: described sleeve-shaped donut packing ring (7) is the tube-in-tube structure that outside surface is multidiameter shape vertically, it comprises the less external diameter ladder of upper end larger external diameter ladder shaft part and lower end shaft part, described larger external diameter ladder shaft part end face contacts with wall (8) in described vacuum chamber, and described less external diameter ladder shaft part is respectively through the circular hole on electrode fixed head (5), plate donut packing ring (4) and lenticular donut packing ring (3) joint.
3. a kind of insulation assembly for fusion reactor according to claim 1, is characterized in that: between described sleeve-shaped donut packing ring (7) and the circular hole on electrode fixed head (5), be interference fit.
4. a kind of insulation assembly for fusion reactor according to claim 1, it is characterized in that: described lenticular donut packing ring (3) lower end contacts with plate annulus packing ring (4), and described block (2) open end edge does not contact with electrode fixed head (5).
5. a kind of insulation assembly for fusion reactor according to claim 1, is characterized in that: described lenticular donut packing ring (3) is for having one or two lenticular donut packing ring.
6. a kind of insulation assembly for fusion reactor according to claim 1, is characterized in that: in described set bolt (6) and vacuum chamber between wall (8), be connected to welding.
7. a kind of insulation assembly for fusion reactor according to claim 1, is characterized in that: described nut (1), electrode fixed head (5) and set bolt (6) are stainless steel material.
8. a kind of insulation assembly for fusion reactor according to claim 1, is characterized in that: described block (2), lenticular donut packing ring (3), different plate donut packing ring (4), the sleeve-shaped donut packing rings (7) of latus rectum are stupalith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544631.0U CN203465954U (en) | 2013-09-03 | 2013-09-03 | Insulation assembly for nuclear fusion reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544631.0U CN203465954U (en) | 2013-09-03 | 2013-09-03 | Insulation assembly for nuclear fusion reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203465954U true CN203465954U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320544631.0U Expired - Lifetime CN203465954U (en) | 2013-09-03 | 2013-09-03 | Insulation assembly for nuclear fusion reactor |
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| Country | Link |
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| CN (1) | CN203465954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425042A (en) * | 2013-09-03 | 2015-03-18 | 核工业西南物理研究院 | Insulation assembly for nuclear fusion reactor |
-
2013
- 2013-09-03 CN CN201320544631.0U patent/CN203465954U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425042A (en) * | 2013-09-03 | 2015-03-18 | 核工业西南物理研究院 | Insulation assembly for nuclear fusion reactor |
| CN104425042B (en) * | 2013-09-03 | 2017-02-22 | 核工业西南物理研究院 | Insulation assembly for nuclear fusion reactor |
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