CN207489479U - A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device - Google Patents
A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device Download PDFInfo
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- CN207489479U CN207489479U CN201721499792.7U CN201721499792U CN207489479U CN 207489479 U CN207489479 U CN 207489479U CN 201721499792 U CN201721499792 U CN 201721499792U CN 207489479 U CN207489479 U CN 207489479U
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- Prior art keywords
- heat sink
- sink plate
- cooling
- wall
- fusion device
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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
Abstract
The utility model discloses a kind of cooling structures suitable for the first wall of magnetic confinement nuclear fusion device, include the heat sink plate that pairing is fixed as one, coolant flow channel is formed in the heat sink plate of pairing, several spoilers are distributed in coolant flow channel；The heat sink plate side wall of pairing is equipped with the inlet and outlet connected with coolant flow channel.By processing cooling bath on the surface of heat sink plate in advance, the shape of cooling bath can be processed into complicated arbitrary shape, process multiple spoilers in cooling duct, be conducive to increase heat exchange efficiency, greatly improve cooling capacity.By processing cooling duct on the surface of heat sink plate in advance, do not need to by the way that individually welded pipe line forms cooling duct on the component for needing to cool down, it is possible to reduce the overall thickness of cooling structure.Cooling structure processing method described in the utility model is simple, can improve product processing efficiency.
Description
Technical field：
The utility model belongs to the cooling structure in a kind of magnetic confinement nuclear fusion device, is primarily adapted for use in nuclear fusion device
The cooling structure of the high thermal load regions of first wall, such as the cooling structure of the internal parts such as divertor, limiter.
Background technology：
Magnetic confinement nuclear fusion device such as EAST (Experimental Advanced Superconducting Tokamak)
Tokamak device, Chinese No. two HL-2A of circulator etc. during operation, the first wall such as divertor, limit in face of high energy particle
The surface of the components such as device processed is acted on very high hot-fluid load is born, and local heat flux density is up to megawatt every square metre of magnitude.
If for so big hot-fluid load without cooling structure, the temperature of each component will quickly rise to the unaffordable height of material,
Therefore, it is necessary to Active Cooling Systems to be cooled down.First wall components of domestic existing magnetic confinement nuclear fusion device at present, such as
The upper and lower divertor and limiter of EAST employs active water-cooling method and is cooled down.The upper divertor of EAST is current state
Interior state-of-the-art full tungsten divertor, high energy particle striking point use Monoblock structures.This structure just as sugarcoated haws string,
Round copper chromium zirconium pipeline strings together many tungsten blocks, is welded between the two by Hip (Hot Isostatic Pressing)
Method is attached, and cooling water is led in circular pipe to reach cooling purpose.But the heat exchange area of this structure is smaller, and circle
Shape cooling pipe shape is not best cooling structure shape.The maximum steady state hot-fluid load that Monoblock structures can be born
It is 10MW/m2Left and right, however as the raising of EAST discharge powers, the cooling capacity of this cooling structure will be unable to meet future
EAST long pulse high powers plasma is run；In addition, for CFETR (the China Fusion researched and developed
Engineering Testing Reactor) device, Fusion power is up to 50~200MW or so, the most high fever of the first wall
Load is up to 20MW/m2More than, the structure design of the first wall components will face huge challenge.Therefore existing water-cooling structure
It will be unable to the requirement for meeting following nuclear fusion experimental with method.
Utility model content：
In order to overcome the cooling capacity of existing cooling structure is low to lead to that the first wall of magnetic confinement nuclear fusion device heat cannot be met
The deficiency of burden requirement, the utility model provide a kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device, this is cold
But structure is using two pieces of heat sink plates for being furnished with multiple spoilers there are satisfactory cooling duct and in channel in advance, and leads to
It crosses technological means and heat sink connects into an entirety by two pieces.
The utility model is achieved through the following technical solutions：
The technical solution adopted in the utility model is：
A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device, it is characterised in that：Include pairing to fix
The heat sink plate being integrated is formed with coolant flow channel in the heat sink plate of pairing, several spoilers is distributed in coolant flow channel；Pairing
Heat sink plate side wall is equipped with the inlet and outlet connected with coolant flow channel.
A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device, it is characterised in that：The heat sink plate includes
There is upper and lower heat sink plate.
A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device, it is characterised in that：The pairing of upper heat sink plate
Face is equipped with several upper longitudinal cooling baths being spaced apart and is connected positioned at upper heat sink plate both sides and with upper longitudinal cooling bath
Upper lateral cooling bath, be intervally distributed with several spoilers in each longitudinal cooling bath.
The involutory surface of lower heat sink plate is equipped with corresponding with upper longitudinal cooling bath of upper heat sink plate and upper laterally cooling groove location
Lower longitudinal cooling bath and lower lateral cooling bath, upper and lower longitudinal cooling bath and upper, lower horizontal are to cold after upper and lower heat sink plate pairing
But slot forms coolant flow channel.
A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device, it is characterised in that：Lower heat sink plate
Involutory surface for plane, by upper and lower heat sink plate pairing, the upper longitudinal cooling bath and upper lateral cooling bath of upper heat sink plate and lower heat
Coolant flow channel is formed between the involutory surface of heavy plate.
A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device, it is characterised in that：The upper and lower heat sink plate
Between be fixed as one by explosive welding pairing.
A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device, it is characterised in that：The water inlet and go out
The mouth of a river is located at upper heat sink plate both ends respectively.
On the surface of upper heat sink plate working depth be no more than plate thickness it is satisfactory longitudinal cooling bath and upper horizontal stroke
To cooling bath, and it are furnished with multiple spoilers at regular intervals in upper longitudinal cooling duct.Add on the surface of lower heat sink plate
Work depth more than or equal to zero but lower longitudinal cooling bath no more than plate thickness and lower lateral cooling bath, lower longitudinal direction cooling bath and
The position of lower transverse direction cooling bath is corresponding with the position of upper longitudinal cooling bath and upper lateral cooling bath, the depth of lower longitudinal direction cooling bath
It is more than the height of spoiler with the sum of the depth of upper longitudinal cooling bath.
By the upper heat sink plate for processing upper cooling bath lower heat sink plate with processing lower cooling duct while (such as
The depth of cooling bath is zero and selects arbitrary one side under fruit) fitting, make the cooling duct in two pieces of heat sink plates corresponding, then adopt
With either physically or chemically by two pieces of heat sink plates connect into one it is firm whole.
The profitable fruit of the utility model is：
1st, by processing cooling bath on the surface of heat sink plate in advance, the shape of cooling bath can be processed into complicated arbitrary shape
Shape, the multiple spoilers of processing in cooling duct are conducive to increase heat exchange efficiency, greatly improve cooling capacity.
2nd, by processing cooling duct on the surface of heat sink plate in advance, the total path length of cooling duct is unrestricted.
3rd, it by processing cooling duct on the surface of heat sink plate in advance, does not need to by independent on the component for needing to cool down
Welded pipe line forms cooling duct, it is possible to reduce the overall thickness of cooling structure.
4th, cooling structure production method described in the utility model is related to the processing of two pieces of heat sink plates, this two pieces of heat sink plates
Material can be the same or different, can flexibly be selected according to the situation of different fusion facilities, for example, EAST divertors heat
Heavy to use cooling structure described in the utility model, the material of the plate near apart from plasma can select the coefficient of heat conduction high
Copper alloy, the material of another block of plate can it is high with selection intensity, softening temperature is high, the stainless steel material that easily welds.
5th, cooling structure processing method described in the utility model is simple, can improve product processing efficiency.
Description of the drawings：
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the separate structure schematic diagram of the utility model when lower heat sink plate coating surface is slotted.
Fig. 3 is the separate structure schematic diagram of the utility model when lower heat sink plate coating surface is not slotted.
Fig. 4 is the structure diagram of upper heat sink plate involutory surface.
Fig. 5 is the lateral cross section structure diagram of the utility model when lower heat sink plate coating surface is slotted.
Fig. 6 is the lateral cross section structure diagram of the utility model when lower heat sink plate coating surface is not slotted.
Fig. 7 is the longitudinal cross-section structure diagram of the utility model when lower heat sink plate coating surface is slotted.
Fig. 8 is the longitudinal cross-section structure diagram of the utility model when lower heat sink plate coating surface is not slotted.
In figure：1. heat sink plate；2. heat sink plate；3. heat sink plate；4. spoiler；5. longitudinal cooling duct；6. both ends groove
Specific embodiment：
Referring to attached drawing.
The embodiment of the utility model is described in further detail with reference to embodiment and attached drawing, this practicality is new
The embodiment of type is without being limited thereto.
Embodiment 1：
The longitudinal cooling duct 5 of processing five (quantity is without being limited thereto) first in the one side of one piece of heat sink plate 1, and heat sink
The both ends processing both ends groove 6 of the same face of plate 1 forms a cooling duct connected with longitudinal cooling duct 5, longitudinally in each
The multiple spoilers 4 at regular intervals of distribution in cooling duct 5.Then processing and heat in the one side of other one piece of heat sink plate 2
Heavy plate 1 thinks corresponding cooling duct.Finally the heat sink plate 1 processed (is not limited to heat sink plate 2 by the method for explosive welding
The method) connect into an overall structure (see Fig. 1).
Embodiment 2：
The longitudinal cooling duct 5 of processing five (quantity is without being limited thereto) first in the one side of one piece of heat sink plate 1, and heat sink
The both ends processing both ends groove 6 of the same face of plate 1 forms a cooling duct connected with longitudinal cooling duct 5, longitudinally in each
The multiple spoilers 4 at regular intervals of distribution in cooling duct 5.Then with the heat sink plate 3 of other one piece of undressed cooling duct
One overall structure is connected by the method (method without being limited thereto) of explosive welding.
Claims (7)
1. a kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device, it is characterised in that：Include pairing to be fixed as
The heat sink plate of one is formed with coolant flow channel in the heat sink plate of pairing, several spoilers is distributed in coolant flow channel, spoiler
Highly it is less than the depth of coolant flow channel；The heat sink plate side wall of pairing is equipped with the inlet and outlet connected with coolant flow channel.
2. a kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device according to claim 1, feature exist
In：The heat sink plate includes upper and lower heat sink plate.
3. a kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device according to claim 2, feature exist
In：The involutory surface of upper heat sink plate be equipped with several upper longitudinal cooling baths being spaced apart and positioned at upper heat sink plate both sides and with
The upper lateral cooling bath of upper longitudinal direction cooling bath connection is each intervally distributed with several spoilers in upper longitudinal cooling bath.
4. a kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device according to claim 3, feature exist
In：The involutory surface of lower heat sink plate is equipped with corresponding lower vertical with upper longitudinal cooling bath of upper heat sink plate and upper laterally cooling groove location
To cooling bath and lower lateral cooling bath, upper and lower longitudinal cooling bath and upper, lower horizontal are to cooling flute profile after upper and lower heat sink plate pairing
Into coolant flow channel.
5. a kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device according to claim 3, feature exist
In：The involutory surface of lower heat sink plate is plane, by upper and lower heat sink plate pairing, upper longitudinal cooling bath of upper heat sink plate and upper transverse direction
Coolant flow channel is formed between cooling bath and the involutory surface of lower heat sink plate.
6. a kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device according to claim 4 or 5, feature
It is：It is fixed as one between the upper and lower heat sink plate by explosive welding pairing.
7. a kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device according to claim 6, feature exist
In：The inlet and outlet are located at lower heat sink plate both ends respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499792.7U CN207489479U (en) | 2017-11-13 | 2017-11-13 | A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499792.7U CN207489479U (en) | 2017-11-13 | 2017-11-13 | A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device |
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| Publication Number | Publication Date |
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| CN207489479U true CN207489479U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721499792.7U Expired - Fee Related CN207489479U (en) | 2017-11-13 | 2017-11-13 | A kind of cooling structure suitable for the first wall of magnetic confinement nuclear fusion device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705823A (en) * | 2017-11-13 | 2018-02-16 | 中国科学院合肥物质科学研究院 | A kind of cooling structure suitable for the wall of magnetic confinement nuclear fusion device first |
| CN112908496A (en) * | 2019-11-19 | 2021-06-04 | 核工业西南物理研究院 | Small-size annular cooling structure suitable for cascade arc ion source |
-
2017
- 2017-11-13 CN CN201721499792.7U patent/CN207489479U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705823A (en) * | 2017-11-13 | 2018-02-16 | 中国科学院合肥物质科学研究院 | A kind of cooling structure suitable for the wall of magnetic confinement nuclear fusion device first |
| CN112908496A (en) * | 2019-11-19 | 2021-06-04 | 核工业西南物理研究院 | Small-size annular cooling structure suitable for cascade arc ion source |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20181113 |