CN106935276B - A kind of deflection magnet centering adjustment structure - Google Patents
A kind of deflection magnet centering adjustment structure Download PDFInfo
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- CN106935276B CN106935276B CN201511018361.XA CN201511018361A CN106935276B CN 106935276 B CN106935276 B CN 106935276B CN 201511018361 A CN201511018361 A CN 201511018361A CN 106935276 B CN106935276 B CN 106935276B
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- deflection magnet
- sunpender
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- magnet
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21B—FUSION REACTORS
- G21B1/00—Thermonuclear fusion reactors
- G21B1/11—Details
- G21B1/15—Particle injectors for producing thermonuclear fusion reactions, e.g. pellet injectors
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Particle Accelerators (AREA)
Abstract
The invention belongs to magnetic trapped fusion apparatus technical fields, and in particular to a kind of deflection magnet centering adjustment structure.Including following part: (1) there is the support frame of lifting guide function and regulatory function, be mounted on injector vacuum chamber inner bottom plating；(2) with the vertical loading board of interstitial structure, deflection magnet is in hoisting process by being close on vertical loading board middle hanger top and hoisting flange；Deflection magnet is placed under completion status on the support frame through the gap between hoisting flange and vertical loading board, cooperate cooling water pipe, telescopic bellows on magnetic excitation wires vacuum tube, so that realizing high vacuum seal between the vacuum sealing flange at the top of deflection magnet and injector vacuum chamber installation window；(3) magnet vacuum sealing flange is set at the top of deflection magnet；Bellows is set on vacuum insulation excitation wire conduit and cooling water water pipe respectively, and the stroke of bellows is set according to sunpender gap.
Description
Technical field
The invention belongs to magnetic trapped fusion apparatus technical fields, and in particular to a kind of deflection magnet centering adjustment structure.
Background technique
Neutral beam injects (NBI) to heat magnetically confined plasma, is to improve ion temperature or electron temperature most
One of effective ways, while NBI is also used to drive plasma current and controls plasma properties.Including ion source
Neutral-beam injector be neutral beam heating system core system, specifically include that ion source, injector vacuum chamber is placed in true
Neutralizing cell inside empty room, ion phagocytic organ, deflection magnet, Shu Bianyuan scraper, calorimetric target, high pumping rate vacuum pump etc..It is main
Plasma generation is completed, ion beam is drawn and accelerated, ion beam neutralisation, and residual ion beam deflection, neutral beam geometry is converged
It is poly-, the physical processes such as neutral beam injection.Injector will also have beam performance diagnogtics, beam power measurement simultaneously, and piece safety monitors,
The functions such as high pumping rate vacuum operation.Deflection magnet for deflecting non-neutralisation ion beam is that neutral-beam injector is indispensable
One of core component, function is the non-neutralisation ion for deflecting about 40% or so, so that these ions enter ion phagocytic organ.
HL-2M device NB injector equips 4 sets ion sources, corresponding deflection magnet using 8 cake coils, above 4 cakes, below 4 cakes, every cake line
39 circles are enclosed, iron core uses DT4 ingot iron, and two sides use the magnetic shield panel of 40mm, to reduce the magnetic interference to other equipment.
The iron yoke height of single coil is 1050mm, width 100mm, depth 330mm, front and back, left and right, Double layer iron shielding case thickness
It is 40mm.Deflection magnet is with respect to components other in injector vacuum chamber, nearly 10 tons of weight, must put in injector vacuum chamber
Magnet support structure is set, considers that injector vacuum chamber vacuum shape change, device fabrication error, installation error etc. need support construction
Height adjustment with ± 10 millimeters of ranges, the adjustable range of horizontal direction about ± 5mm, and guarantee magnet and injector magnet
Window is installed and realizes high vacuum seal.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of deflection magnet centering adjustment structures, thus for HL-2M support card
A kind of very strong lifting of 5MW-NBI heating specific aim of bunch core component-deflected ion beam magnet design of mark's device,
It supports, to neutralization vacuum seal structure.
In order to realize the purpose, the technical solution adopted by the present invention is that:
A kind of deflection magnet centering adjustment structure is suitable for the 1st article of 5MW-NBI of HL-2M tokamak device and heats bunch
Large-scale deflection magnet, by the non-neutralisation ion of deflection magnet centering adjustment structure deflection system setting ratio so that this
A little ions enter ion phagocytic organ；Including following part:
(1) there is the support frame of lifting guide function and regulatory function, be mounted on injector vacuum chamber inner bottom plating, including
Following part:
(1.1) according to installation window and deflection magnet theoretical position, 6 pieces of supports are welded on injector vacuum chamber inner bottom plating
Frame locating piece adjusts the horizontal position of deflection magnet, maximal regulated by the adjusting screw rod being arranged on 6 pieces of support frame locating pieces
Range is 10mm；
(1.2) 6 support rods for being adjusted by the thread height are set on the support frame, deflection magnet is adjusted by support rod
Upright position, maximal regulated range be 20mm；2 tons of the supported weight > of every support rod；
(1.3) 10 wedge gib blocks are set on the support frame, for the guiding and limit in deflection magnet hoisting process,
It avoids deviateing support base caused by swinging；10 tons of anti-horizontal shear force > of every wedge gib block；
(2) there is the vertical loading board of interstitial structure, deflection magnet by vertical loading board middle hanger top and is hung in hoisting process
It is close on dress flange；Deflection magnet places the gap passed through between hoisting flange and vertical loading board under completion status on the support frame,
Cooperate cooling water pipe, the telescopic bellows on magnetic excitation wires vacuum tube so that vacuum sealing flange at the top of deflection magnet with
High vacuum seal is realized between injector vacuum chamber installation window；It specifically includes:
(2.1) vertical loading board includes the hanging ring of upper end and the sunpender of lower end, and the hanging ring of upper end is by hanging ring flange welding inclined
On the upper surface for turning magnet flange；
(2.2) sunpender includes top and straight section, and straight section is cylindrical-shaped structure, and the bottom end of straight section is welded on deflection magnet；
The top of sunpender includes the cylindrical-shaped structure on top and the inversed taper platform structure of lower part, the upper bottom surface diameter of inversed taper platform structure and top
Cylindrical-shaped structure diameter it is identical, bottom surface diameter is identical as the diameter of straight section；The top of sunpender passes through sunpender flanged joint
On the lower surface of deflection magnet flange；
The inner cavity of sunpender flange includes the cylindrical cavity on top and the reverse taper cavity of lower part, cylindrical cavity it is interior
Diameter and the upper bottom surface diameter of sunpender top inversed taper platform structure match；The upper bottom surface diameter of reverse taper cavity and the cylinder on top
The diameter of shape cavity matches, the bottom surface diameter of reverse taper cavity and the diametric fit of sunpender straight section, reverse taper cavity
The conical surface in hoisting process as lifting the stress conical surface；
The height of cylindrical cavity=sunpender nose-circle column structure height+sunpender gap；In the cylinder of sunpender flange
Shape cavity wall opens up the vacuum bleeder port that diameter is 5~6mm, and the distance between vacuum bleeder port and cylindrical cavity bottom end are big
In the height of sunpender nose-circle column structure；
(3) magnet vacuum sealing flange is set at the top of deflection magnet, including cooling water water pipe window flange, thermocouple draw
Window flange out, vacuum insulation excitation wire conduit window technique is blue, beam diagnostic window flange；
Through-hole with the cooperation of magnet vacuum sealing flange is set, and there are the adjusting gaps of default for the diameter of through-hole；
Bellows is set on vacuum insulation excitation wire conduit and cooling water water pipe respectively, and the stroke of bellows is according to hanging
The setting of bar gap.
Further, a kind of deflection magnet centering adjustment structure as described above, sunpender gap=bellows stroke
=20mm.
The beneficial effect of technical solution of the present invention is:
NB injector deflection magnet pushes away NBI heating system note as magnetic confinement fusion experimental provision and the following fusion engineering
Enter the essential component in device inside and enables neutral beam to be smoothly injected into magnetic about for deflecting the ion beam of non-neutralisation
In beam fusionplasma, heating and driving plasma.
The 1st article of 5MW-NBI by the way that the deflection magnet of development to be located in HL-2M device heats the injector vacuum of bunch
Interior, have passed through vacuum leak hunting and 30kg hydraulic pressure test, and test result meets design requirement.
HL-2M device will develop 3 5MW-NBI heating bunch, deflection magnet support, centering adjusting and vacuum seal structure
It is used directly for subsequent two NBI heating bunch, provides condition for magnetic confinement fusion experimental study.
Detailed description of the invention
Fig. 1 is that deflection magnet centering adjustment structure and deflection magnet cooperation are schemed；
Fig. 2 is magnet support frame structural front view；
Fig. 3 is magnet support frame structure top view；
Fig. 4 is magnet vertical loading board and peripheral device structural schematic diagram.
In figure: 11-support frame locating pieces, 12-support rods, 13-wedge gib blocks, 4-deflection magnets, 5-vacuum every
From excitation wire conduit, 6-cooling water water pipes, 7-sunpenders, 8-sunpender flanges, 9-bellowss, 10-vacuum bleeder ports.
Specific embodiment
Technical solution of the present invention is further elaborated below by the drawings and specific embodiments.
As shown in Figure 1, a kind of deflection magnet centering adjustment structure of the present invention, is suitable for the 1st article of HL-2M tokamak device
5MW-NBI heat bunch large-scale deflection magnet, by deflection magnet centering adjustment structure deflection system setting ratio not in
Property ion, so that these ions enter ion phagocytic organ.Due to about 10 tons of magnet weight, nearly 4 meters of height, magnet is in injector
Centering, installation and support in vacuum chamber need to be laid out according to the whole geometry of injector, and steric requirements is a kind of special to design
Structure, the centering for magnet adjusts, support and vacuum sealing, including following part:
(1) there is the support frame of lifting guide function and regulatory function as shown in Figures 2 and 3, it is true to be mounted on injector
On empty room inner bottom plating, including following part:
(1.1) according to installation window and deflection magnet theoretical position, 6 pieces of supports are welded on injector vacuum chamber inner bottom plating
Frame locating piece adjusts the horizontal position of deflection magnet, maximal regulated by the adjusting screw rod being arranged on 6 pieces of support frame locating pieces
Range is 10mm；
(1.2) 6 support rods for being adjusted by the thread height are set on the support frame, deflection magnet is adjusted by support rod
Upright position, maximal regulated range be 20mm；2 tons of the supported weight > of every support rod；
(1.3) 10 wedge gib blocks are set on the support frame, for the guiding and limit in deflection magnet hoisting process,
It avoids deviateing support base caused by swinging；10 tons of anti-horizontal shear force > of every wedge gib block；
(2) with the vertical loading board of interstitial structure as shown in Figure 4, deflection magnet is in hoisting process by hanging in vertical loading board
It is close on bar top and hoisting flange；Deflection magnet place on the support frame under completion status by hoisting flange and vertical loading board it
Between gap, cooperate cooling water pipe, the telescopic bellows on magnetic excitation wires vacuum tube, so that the vacuum at the top of deflection magnet is close
High vacuum seal is realized between envelope flange and injector vacuum chamber installation window；It specifically includes:
(2.1) vertical loading board includes the hanging ring of upper end and the sunpender of lower end, and the hanging ring of upper end is by hanging ring flange welding inclined
On the upper surface for turning magnet flange；
(2.2) sunpender includes top and straight section, and straight section is cylindrical-shaped structure, and the bottom end of straight section is welded on deflection magnet；
The top of sunpender includes the cylindrical-shaped structure on top and the inversed taper platform structure of lower part, the upper bottom surface diameter of inversed taper platform structure and top
Cylindrical-shaped structure diameter it is identical, bottom surface diameter is identical as the diameter of straight section；The top of sunpender passes through sunpender flanged joint
On the lower surface of deflection magnet flange；
The inner cavity of sunpender flange includes the cylindrical cavity on top and the reverse taper cavity of lower part, cylindrical cavity it is interior
Diameter and the upper bottom surface diameter of sunpender top inversed taper platform structure match；The upper bottom surface diameter of reverse taper cavity and the cylinder on top
The diameter of shape cavity matches, the bottom surface diameter of reverse taper cavity and the diametric fit of sunpender straight section, reverse taper cavity
The conical surface in hoisting process as lifting the stress conical surface；
The height of cylindrical cavity=sunpender nose-circle column structure height+sunpender gap；In the cylinder of sunpender flange
Shape cavity wall opens up the vacuum bleeder port that diameter is 5~6mm, and the distance between vacuum bleeder port and cylindrical cavity bottom end are big
In the height of sunpender nose-circle column structure；
(3) magnet vacuum sealing flange is set at the top of deflection magnet, including cooling water water pipe window flange, thermocouple draw
Window flange out, vacuum insulation excitation wire conduit window technique is blue, beam diagnostic window flange；
Through-hole with the cooperation of magnet vacuum sealing flange is set, and there are the adjusting gaps of default for the diameter of through-hole；
Bellows is set on vacuum insulation excitation wire conduit and cooling water water pipe respectively, and the stroke of bellows is according to hanging
The setting of bar gap.
In the present embodiment, sunpender gap=bellows stroke=20mm.
For the accurate installation for guaranteeing magnet, first will there is the support frame of lifting guide function and regulatory function to call in vacuum
Room then begins to lifting deflection magnet main body according to geometry calculating position Primary Location first.Deflection magnet lifting directlys adopt
Hanging ring on vertical loading board, after deflection magnet calls in injector vacuum chamber top magnet window, distance support bottom 250mm when into
Enter wedge gib block, continues to decline under the action of wedge gib block, finally drop on support rod.
Deflection magnet initially enters three direction displacement fine tuning stages after dropping to support rod.Complete magnet horizontal direction and
After vertical direction is adjusted, start the seal operation for carrying out vacuum sealing flange, due to the through-hole of magnet vacuum sealing flange cooperation
There are gap is adjusted, boom end devises the gap of 20mm, respectively on vacuum insulation excitation wire conduit and cooling water water pipe
The bellows that stroke is 20mm is set, to meet high vacuum seal requirement.
Claims (2)
1. a kind of deflection magnet centering adjustment structure, suitable for the 1st article of 5MW-NBI heating bunch of HL-2M tokamak device
Large-scale deflection magnet, by the non-neutralisation ion of deflection magnet centering adjustment structure deflection system setting ratio, so that these
Ion enters ion phagocytic organ；It is characterized by comprising following parts:
(1) there is the support frame of lifting guide function and regulatory function, be mounted on injector vacuum chamber inner bottom plating, including following
Part:
(1.1) according to installation window and deflection magnet theoretical position, it is fixed that 6 pieces of support frames are welded on injector vacuum chamber inner bottom plating
Position part adjusts the horizontal position of deflection magnet, maximal regulated range by the adjusting screw rod being arranged on 6 pieces of support frame locating pieces
For 10mm；
(1.2) 6 support rods for being adjusted by the thread height are set on the support frame, hanging down for deflection magnet is adjusted by support rod
Straight position, maximal regulated range are 20mm；2 tons of the supported weight > of every support rod；
(1.3) 10 wedge gib blocks are arranged on the support frame to avoid for the guiding and limit in deflection magnet hoisting process
Deviate support base caused by swinging；10 tons of anti-horizontal shear force > of every wedge gib block；
(2) with the vertical loading board of interstitial structure, deflection magnet is in hoisting process through vertical loading board middle hanger top and lift-on/lift-off system
It is close on orchid；Deflection magnet is placed under completion status on the support frame through the gap between hoisting flange and vertical loading board, cooperation
Cooling water pipe, the telescopic bellows on magnetic excitation wires vacuum tube, so that vacuum sealing flange and injection at the top of deflection magnet
High vacuum seal is realized between device vacuum chamber installation window；It specifically includes:
(2.1) vertical loading board includes the hanging ring of upper end and the sunpender of lower end, and the hanging ring of upper end is by hanging ring flange welding in deflection magnetic
On the upper surface of body flange；
(2.2) sunpender includes top and straight section, and straight section is cylindrical-shaped structure, and the bottom end of straight section is welded on deflection magnet；Sunpender
Top include the cylindrical-shaped structure on top and the inversed taper platform structure of lower part, the upper bottom surface diameter of inversed taper platform structure and the circle on top
The diameter of column structure is identical, and bottom surface diameter is identical as the diameter of straight section；The top of sunpender is by sunpender flanged joint inclined
On the lower surface for turning magnet flange；
The inner cavity of sunpender flange includes the cylindrical cavity on top and the reverse taper cavity of lower part, the internal diameter of cylindrical cavity and
The upper bottom surface diameter of sunpender top inversed taper platform structure matches；The upper bottom surface diameter of reverse taper cavity and the cylindric chamber on top
The diameter of body matches, the bottom surface diameter of reverse taper cavity and the diametric fit of sunpender straight section, the cone of reverse taper cavity
Face is in hoisting process as the lifting stress conical surface；
The height of cylindrical cavity=sunpender nose-circle column structure height+sunpender gap；In the cylindric chamber of sunpender flange
Body sidewall opens up the vacuum bleeder port that diameter is 5~6mm, and the distance between vacuum bleeder port and cylindrical cavity bottom end, which are greater than, to be hung
The height of bar nose-circle column structure；
(3) magnet vacuum sealing flange, including cooling water water pipe window flange, thermocouple extraction window are set at the top of deflection magnet
Mouth flange, vacuum insulation excitation wire conduit window technique is blue, beam diagnostic window flange；
Through-hole with the cooperation of magnet vacuum sealing flange is set, and there are the adjusting gaps of default for the diameter of through-hole；
Bellows is set on vacuum insulation excitation wire conduit and cooling water water pipe respectively, and the stroke of bellows is according between sunpender
Gap setting.
2. a kind of deflection magnet centering adjustment structure as described in claim 1, it is characterised in that: sunpender gap=bellows
Stroke=20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018361.XA CN106935276B (en) | 2015-12-29 | 2015-12-29 | A kind of deflection magnet centering adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018361.XA CN106935276B (en) | 2015-12-29 | 2015-12-29 | A kind of deflection magnet centering adjustment structure |
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| Publication Number | Publication Date |
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| CN106935276A CN106935276A (en) | 2017-07-07 |
| CN106935276B true CN106935276B (en) | 2019-05-17 |
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| CN110853767B (en) * | 2019-11-04 | 2023-03-07 | 中国科学院合肥物质科学研究院 | Mechanism and method for pre-assembling host sectors of nuclear fusion device |
| CN113866520B (en) * | 2021-09-07 | 2022-06-17 | 哈尔滨工业大学 | Independent supporting structure for vacuum microwave dark room framework |
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