CN115151015A - Beam collecting barrel with cooling structure and cooling method thereof - Google Patents
Beam collecting barrel with cooling structure and cooling method thereof Download PDFInfo
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- CN115151015A CN115151015A CN202210879104.9A CN202210879104A CN115151015A CN 115151015 A CN115151015 A CN 115151015A CN 202210879104 A CN202210879104 A CN 202210879104A CN 115151015 A CN115151015 A CN 115151015A
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- cavity
- cooling
- heat dissipation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/22—Details of linear accelerators, e.g. drift tubes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H9/00—Linear accelerators
Abstract
The invention discloses a beam current collecting barrel with a cooling structure and a cooling method thereof, wherein the collecting barrel comprises a base; the barrel body is arranged on the base and comprises an end cavity and a tail cavity connected with the end cavity; the tail cavity sequentially comprises an energy absorbing layer from inside to outside, and the energy absorbing layer is made of graphite and is in an inverted trapezoid shape; the heat dissipation layer is made of copper, takes the shape of a containing cavity and wraps the peripheral part and the tail end of the energy absorption layer; the shell is wrapped on the heat dissipation layer; and a circulating pipe group is arranged in the heat dissipation layer. The invention can reliably absorb the energy generated by the bombardment of the electron beam on the surface of the graphite material by designing the graphite material with high melting point as the part for receiving the beam bombardment, and can bear the thermal stress and the fatigue stress generated by long-time work.
Description
Technical Field
The invention relates to a beam collecting barrel, in particular to a beam collecting barrel with a cooling structure and a cooling method thereof.
Background
With the discovery of Higges bosons in a large hadron collider, the conception of future physics which is beyond a standard model is better discovered by building a ring-shaped positive and negative electron collider in the Chinese physics community.
The high-energy annular electron collider consists of three parts, including linear accelerator, energy intensifier and storage ring.
The positive and negative electrons are accelerated by the linear accelerator after being generated, and then are transported to the energy intensifier and the storage ring for further acceleration and collision.
The linear accelerator has the property of continuous operation, and when the beam cannot or does not need to be completely injected into the energy intensifier, a special beam collecting device, namely a beam collecting barrel needs to be designed.
The beam current collecting barrel is an important component of a target chamber system, is positioned at the rear end of the target system, and is mainly used for collecting residual beam current injected into the target chamber by a particle accelerator and collecting the beam current under the extreme condition that a target is penetrated so as to ensure that other components of the system are not damaged, and the beam current collecting barrel generates high temperature when bearing beam current bombardment absorption energy.
Therefore, it is a problem to be solved to provide a beam dump bucket with a heat dissipation function.
Disclosure of Invention
The purpose of the invention is as follows: the beam current collecting barrel with the cooling structure and the cooling method thereof are provided to solve the problems in the prior art.
The technical scheme is as follows: a beam dump bucket having a cooling structure, comprising:
a base;
the barrel body is arranged on the base and comprises an end cavity and a tail cavity connected with the end cavity;
the tail cavity sequentially comprises from inside to outside
The energy absorbing layer is made of graphite and is in an inverted trapezoid shape;
the heat dissipation layer is made of copper, takes the shape of a containing cavity and wraps the peripheral part and the tail end of the energy absorption layer;
the shell is wrapped on the heat dissipation layer;
the heat dissipation layer is provided with at least two cooling interfaces;
a circulating pipe group is arranged in the heat dissipation layer;
and a cooling pipe group is arranged in the end cavity and is communicated with the circulating pipe group through a cooling connector.
The energy absorbing layer is designed into an inverted trapezoid, so that on one hand, the heat dissipation effect is increased in order to increase the contact area with the heat dissipation layer, and on the other hand, the contact surface between the heat dissipation layer and the energy absorbing layer is stable when the heat dissipation layer and the energy absorbing layer are welded, so that the contact surface is uniform when welding is performed;
because the heat absorption layer and the heat dissipation layer have different thermal expansion coefficients, if the heat dissipation layer and the heat absorption layer are designed to be cylindrical, the heat dissipation layer is easy to expand during welding.
The high-melting-point graphite material is designed to be used as a part for receiving beam bombardment, so that the energy generated when an electron beam bombards the surface of the graphite material can be reliably absorbed, the thermal stress and the fatigue stress generated by long-time work can be borne, the copper base with high thermal conductivity is utilized to transfer heat to the circulating tube group, the cooling tube group is connected to complete heat dissipation of the heat dissipation layer, and then the heat dissipation work of the whole rear cavity is completed.
In a further embodiment, the set of circulating tubes comprises
The partition cavity consists of an inlet cavity and an outlet cavity which are not communicated with each other;
the scattering channels are communicated with the inlet cavity and are designed into four groups;
the discharge channels are communicated with the discharge cavity and are designed into four groups;
the communicating cavity is communicated with the dispersion channel and the dispersion outlet channel.
The radiating channel and the radiating channel can be arranged in multiple groups according to radiating requirements.
Through the mode of one in four, reduced end cavity installation volume, if install four group's oral siphon and four group's outlet pipes, though the radiating effect can increase, increased the assembly volume of end cavity, and then influenced the beam and collect easily, the antechamber has add four group's oral siphon and four group's outlet pipes simultaneously and is not pleasing to the eye enough.
Can not design the intercommunication chamber, with the scattered way and the direct intercommunication of going out of going into of every group, and when adopting this kind of condition, when each scattered the heat absorption uneven time that goes into the way, then appear easily, some are gone into a tub heat absorption volume greatly, and it is higher to scatter intraductal temperature this moment, when going out the way through scattering, in case the temperature on heat dissipation layer is less than this and is gone into intraductal temperature that looses, the anti-heat absorption condition appears easily this moment, influences the radiating effect (this kind of condition is few, appears easily under the scattered circumstances of going into a way and distributing unevenly).
The communicating cavity is designed, and water flow which absorbs heat in each scattered inlet channel is mainly stirred uniformly in the communicating cavity, so that the phenomenon of heat absorption back when the scattered inlet channels absorb heat unevenly in the entering process is avoided.
In a further embodiment, the inlet and outlet chambers are each in communication with a cooling interface.
In a further embodiment, the cooling tube bank comprises a water inlet tube and a water outlet tube;
the water inlet pipe is communicated with the inlet cavity through a cooling interface;
the water outlet pipe is communicated with the outlet cavity through a cooling interface;
threads are tapped in the cooling interfaces;
the cooling interfaces of the invention are designed into four groups, wherein two groups are used as process ports, the other two groups are used for heat dissipation, threads are tapped inside the cooling interfaces, and when the heat dissipation layer and the shell are welded, the pressing plates are symmetrically arranged through the cooling interfaces and the threads and are used for relatively fixing the shell and the heat dissipation layer.
Meanwhile, because the heat dissipation layer and the energy absorption layer have different thermal expansion coefficients, deformation is easy to occur during welding, the pressing plates are symmetrically installed through the cooling interfaces and the threads, and springs or other elastic mechanisms are designed in the pressing plates to give a pretightening force to the heat dissipation layer and the energy absorption layer, so that the energy absorption layer and the heat dissipation layer are prevented from deforming during welding.
In a further embodiment, a beam line is arranged in the end cavity;
the beam pipeline is connected with the energy absorption layer.
In a further embodiment, the outermost layers of the end cavities are provided with a housing.
In a further embodiment, the base comprises a bottom plate, a plurality of support frames and fastening frames, wherein the support frames and the fastening frames are arranged on the bottom plate;
the fastening frame hoops the barrel body.
A method of cooling a beam dump bucket having a cooling structure, comprising:
step 1, beam current is beaten on an energy absorption layer through a beam current pipeline to generate high temperature, and the high temperature on the energy absorption layer is absorbed by a heat dissipation layer;
step 3, after adsorbing the high temperature, mixing the cooling water through the communicating cavity, redistributing the cooling water to the radiating passage, and adsorbing the temperature in the radiating layer again;
and 4, discharging the cooling water to the discharge cavity through the discharge passage and discharging the cooling water through the water outlet pipe.
Has the advantages that: the invention discloses a beam collecting barrel with a cooling structure and a cooling method thereof.A graphite material with a high melting point is designed as a part for receiving beam bombardment, so that the energy generated by the bombardment of an electron beam on the surface of the graphite material can be reliably absorbed, the thermal stress and the fatigue stress generated by long-time work can be borne, the heat is transferred to a circulating pipe group by utilizing a copper base with high thermal conductivity, the cooling pipe group is connected to finish the heat dissipation of a heat dissipation layer, and the heat dissipation work of the whole rear cavity is further finished.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic view of the barrel structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the barrel body of the present invention.
FIG. 4 is a schematic diagram of the structure of the energy absorption layer of the present invention.
FIG. 5 is a schematic view of the structure of the diffusing channel and the diffusing channel of the present invention.
FIG. 6 is a schematic view of the cooling interface of the present invention.
Fig. 7 is a schematic view of the base of the present invention.
FIG. 8 is a schematic view of a cooling battery and a circulating battery according to the present invention.
Description of the drawings:
1. a base; 11. a base plate; 12. a fastening frame; 13. a support frame;
2. a barrel body; 21. a tail cavity; 211. a heat dissipation layer; 212. an energy absorbing layer; 214. a cooling interface;
22. an end cavity; 23. a beam line; 24. a cooling tube bank; 241. a water inlet pipe; 242. scattering into a channel; 243. a communicating cavity; 244. a discharge channel; 245. entering a cavity; 246. discharging the cavity; 247. and (5) discharging a water pipe.
Detailed Description
The present application relates to a beam dump having a cooling structure and a cooling method thereof, which are explained in detail below by way of specific embodiments.
A beam dump bucket having a cooling structure, comprising:
a base 1;
the base 1 comprises a bottom plate 11, a plurality of support frames 13 and a fastening frame 12, wherein the support frames 13 and the fastening frame 12 are arranged on the bottom plate 11;
the fastening frame 12 hoops the barrel body 2.
The barrel body 2 is arranged on the base 1 and comprises an end cavity 22 and a tail cavity 21 connected with the end cavity 22;
the tail cavity 21 comprises from inside to outside
The energy absorbing layer 212 is made of graphite and is in an inverted trapezoid shape;
a heat dissipation layer 211 made of copper and having a receiving cavity shape, and wrapping the periphery and the tail end of the energy absorption layer 212;
a case wrapped around the heat dissipation layer 211;
at least two cooling interfaces 214 are arranged on the heat dissipation layer 211;
a circulating pipe group is arranged in the heat dissipation layer 211;
the cooling tube bank 24 is disposed in the end cavity 22, and the cooling tube bank 24 is in communication with the circulating tube bank through a cooling connection 214.
By designing the energy absorbing layer 212 into an inverted trapezoid, on one hand, the heat dissipation effect is increased in order to increase the contact area with the heat dissipation layer 211, and on the other hand, the contact surface between the heat dissipation layer 211 and the energy absorbing layer 212 is relatively stable when the heat dissipation layer 211 and the energy absorbing layer 212 are welded, so that the contact surface is uniform when welding;
due to the different thermal expansion coefficients of the energy absorbing layer 212 and the heat dissipation layer 211, the heat dissipation layer 211 is likely to expand during welding if the heat dissipation layer 211 and the energy absorbing layer 212 are designed as cylinders.
By designing the graphite material with high melting point as the part for receiving beam bombardment, the energy generated by electron beam bombardment on the surface of the graphite material can be reliably absorbed, the thermal stress and the fatigue stress generated by long-time work can be borne, the heat is transferred to the circulating tube group by utilizing the copper base with high thermal conductivity, the heat dissipation of the heat dissipation layer 211 is completed by connecting the cooling tube group 24, and then the heat dissipation work of the whole rear cavity is completed.
The circulating pipe group comprises
The partition cavity consists of an inlet cavity 245 and an outlet cavity 246 which are not communicated with each other;
the scattering passages 242 are communicated with the inlet cavities 245, and four groups are designed;
the discharge channels 244 are communicated with the discharge cavity 246, and four groups are designed;
the communicating chamber 243 communicates with the dispersing passage 242 and the dispersing passage 244.
The diffusing channels 242 and 244 can be arranged in multiple groups according to the heat dissipation requirement.
Through the mode of one into four, reduced end cavity 22 installation volume, if install four group's inlet tube 241 and four group's outlet pipe 247, though the radiating effect can increase to some extent, increased the assembly volume of end cavity 22, and then influence the beam and collect easily, the antechamber has increased four group's inlet tube 241 and four group's outlet pipe 247 simultaneously and is not pleasing to the eye enough.
The communicating chamber 243 is not designed, and the diffusing passages 242 and the diffusing passages 244 in each group are directly communicated, but in this case, when the heat absorption of each diffusing passage 242 is not uniform, the heat absorption is likely to occur, the heat absorption capacity of some diffusing pipes is large, the temperature of the water in the diffusing pipes is high, and when the diffusing passages 244 are passed, once the temperature of the heat dissipation layer 211 is lower than the temperature of the water in the diffusing pipes, the reverse heat absorption condition is likely to occur at this time, and the heat dissipation effect is affected (this condition is very few, and is likely to occur when the diffusing passages 242 are not uniformly distributed).
The communicating cavity 243 is designed to uniformly stir the water flow absorbing heat in each of the radiating channels 242 in the communicating cavity 243, so as to avoid the phenomenon of reverse heat absorption when the radiating channels 242 absorb heat unevenly in the entering process.
The inlet chamber 245 and the outlet chamber 246 are respectively in communication with the cooling ports 214.
In a further embodiment, the cooling tube bank 24 comprises a water inlet tube 241 and a water outlet tube 247;
the water inlet pipe 241 is communicated with the inlet cavity 245 through the cooling connector 214;
the water outlet pipe 247 is communicated with the cavity 246 through the cooling interface 214;
the cooling ports 214 are each threaded therein;
the cooling interfaces 214 of the present invention are designed into four groups, wherein two groups are used as process ports, the other two groups are used for heat dissipation, threads are tapped inside the cooling interfaces 214, and when the heat dissipation layer 211 and the housing are welded, the pressing plates are symmetrically installed through the cooling interfaces 214 and the threads for relatively fixing the housing and the heat dissipation layer 211.
Meanwhile, because the heat dissipation layer 211 and the energy absorption layer 212 have different thermal expansion coefficients, deformation is easy to occur during welding, the pressure plates are symmetrically installed through the cooling interface 214 and the threads, and springs or other elastic mechanisms are designed in the pressure plates to give pretightening force to the heat dissipation layer 211 and the energy absorption layer 212, so that the energy absorption layer 212 and the heat dissipation layer 211 are prevented from deforming during welding.
A beam pipeline 23 is arranged in the end cavity 22;
the beam current pipeline 23 is connected with the energy absorption layer 212.
In a further embodiment, the outermost layers of the end cavity 22 and the tail cavity 21 are provided with a shell.
Description of the working principle: when the beam in the beam pipeline 23 bombards the energy absorption layer 212, the energy absorption layer 212 absorbs energy to generate high temperature, and the heat dissipation layer 211 absorbs the high temperature on the energy absorption layer 212; cooling water is injected from the water inlet pipe 241, and the cooling water is diffused into the four groups of radiating channels 242 through the cavity 245 to absorb the high temperature in the radiating layer 211; after adsorbing the high temperature, the cooling water is mixed and redistributed to the discharge passage 244 through the communication cavity 243, and the temperature in the heat dissipation layer 211 is adsorbed again; the cooling water is discharged to the discharge chamber 246 through the discharge passage 244 and discharged through the water outlet pipe 247.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (8)
1. A beam dump bucket having a cooling structure, comprising:
a base (1);
the barrel body (2) is arranged on the base (1) and comprises an end cavity (22) and a tail cavity (21) connected with the end cavity (22);
characterized in that the tail cavity (21) comprises from inside to outside in sequence
The energy absorbing layer (212) is made of graphite;
the heat dissipation layer (211) is made of copper, is in a containing cavity shape, and wraps the periphery and the tail end of the energy absorption layer (212);
a housing wrapped around the heat dissipation layer (211);
at least two cooling interfaces (214) are arranged on the heat dissipation layer (211);
a circulating pipe group is arranged in the heat dissipation layer (211);
a cooling pipe group (24) is arranged in the end cavity (22), and the cooling pipe group (24) is communicated with the circulating pipe group through a cooling interface (214).
2. The beam dump bucket with cooling structure as claimed in claim 2, wherein: the circulating pipe group includes:
the partition cavity consists of an inlet cavity (245) and an outlet cavity (246) which are not communicated with each other;
the scattering passages (242) are communicated with the inlet cavities (245) and are designed into four groups;
the discharge channels (244) are communicated with the discharge cavity (246) and are designed into four groups;
and a communicating cavity (243) communicated with the dispersion channel (242) and the dispersion channel (244).
3. The beam dump bucket with cooling structure as claimed in claim 2, wherein: the inlet cavity (245) and the outlet cavity (246) are respectively communicated with the cooling interface (214).
4. The beam dump bucket with cooling structure as defined in claim 2, wherein: the cooling pipe group (24) comprises a water inlet pipe (241) and a water outlet pipe (247);
the water inlet pipe (241) is communicated with the inlet cavity (245) through the cooling interface (214);
the water outlet pipe (247) is communicated with the cavity (246) through the cooling interface (214).
5. The beam dump bucket with cooling structure as defined in claim 1, wherein: a beam pipeline (23) is arranged in the end cavity (22);
the beam current pipeline (23) is connected with the energy absorption layer (212).
6. The beam dump bucket with cooling structure as claimed in claim 1, wherein: the outermost layer of the end cavity (22) is provided with a shell.
7. The beam dump bucket with cooling structure as claimed in claim 1, wherein: the base (1) comprises a bottom plate (11), a plurality of support frames (13) arranged on the bottom plate (11) and a fastening frame (12);
the fastening frame (12) hoops the barrel body (2).
8. A method for cooling a beam dump having a cooling structure, comprising:
step 1, enabling the beam to pass through a beam pipeline (23) and strike on an energy absorption layer (212) to generate high temperature, and enabling a heat dissipation layer (211) to absorb the high temperature on the energy absorption layer (212);
step 2, cooling water is injected from a water inlet pipe (241), and the cooling water is diffused into the four groups of radiating channels (242) through the cavity (245) to absorb the high temperature in the radiating layer (211);
step 3, after absorbing high temperature, mixing the cooling water through the communicating cavity (243) and redistributing the cooling water to the radiating channel (244), and absorbing the temperature in the radiating layer (211) again;
and 4, discharging the cooling water to the discharge cavity (246) through the discharge passage (244) and discharging the cooling water through the water outlet pipe (247).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210879104.9A CN115151015A (en) | 2022-07-25 | 2022-07-25 | Beam collecting barrel with cooling structure and cooling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210879104.9A CN115151015A (en) | 2022-07-25 | 2022-07-25 | Beam collecting barrel with cooling structure and cooling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115151015A true CN115151015A (en) | 2022-10-04 |
Family
ID=83415079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210879104.9A Pending CN115151015A (en) | 2022-07-25 | 2022-07-25 | Beam collecting barrel with cooling structure and cooling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115151015A (en) |
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2022
- 2022-07-25 CN CN202210879104.9A patent/CN115151015A/en active Pending
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Address after: 214104 room 301-181, block a, Xidong Chuang Rong building, No. 78, Danshan Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Applicant after: Guodian Investment Nuclear Core (Wuxi) Technology Co.,Ltd. Address before: 214104 room 301-181, block a, Xidong Chuang Rong building, No. 78, Danshan Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Applicant before: Wuxi nuclear power Chuangxin Technology Co.,Ltd. |
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