Water-cooled crucible for electron beam furnace

By improving the water-cooled crucible structure and adopting the design of water guides and sealing seats, uniform cooling of the crucible in the electron beam furnace is achieved, the problems of copper grain enlargement and melt adhesion are solved, and the service life and sealing reliability of the crucible are improved.

CN223470490UActive Publication Date: 2025-10-24GRIMAT ENG INST CO LTD
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Patent Information

Application Number
CN202423132110.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-10-24
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

When using existing water-cooled copper crucibles in electron beam furnaces, problems such as copper grain enlargement leading to cracking, melt adhesion to the crucible body, and sealing ring overheating and failure occur.

Method used

A new water-cooled crucible structure was designed, including a cylindrical crucible seat, a water guide, a sealing seat and a crucible body. The crucible body was uniformly cooled by the crucible cooling part, the water inlet connecting channel and the uniform water outlet part in the water guide, and the sealing was maintained by the sealing seat and the sealing ring.

Benefits of technology

The cooling effect of the crucible is improved, the cracking of the crucible body and the adhesion of the melt are avoided, the sealing reliability is enhanced, the structure is compact and the maintenance is convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a water-cooled crucible for an electron beam furnace. Wherein the crucible body and the sealing seat are fixed in the cylindrical crucible seat, and the periphery of the lower part of the crucible body is connected with the inner periphery of the sealing seat through the sealing ring at the inner end of the sealing seat; the water guide piece is arranged between the crucible body and the cylindrical crucible seat; the lower part of the cylindrical crucible seat is provided with a uniform-temperature water inlet part defined by the cylindrical crucible seat, the water guide piece, the sealing seat and the crucible body, and the water inlet interface is communicated with the uniform-temperature water inlet part; a crucible cooling part is arranged at the position, close to the crucible body, of the radial inner side of the water guide piece, and the lower end of the crucible cooling part is connected with the uniform-temperature water inlet part through a water inlet communication channel; the uniform water outlet part is arranged on the radial outer side of the water guide piece and clings to the position of the cylindrical crucible seat, the upper end of the uniform water outlet part is connected with the crucible cooling part through a water outlet communication channel, and the uniform water outlet part is communicated with the water outlet interface. According to the ingot casting crucible, a new space is defined by the water guide piece and the sealing seat, so that the cooling effect of the ingot casting crucible is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to ingot casting technical field, concretely is a water cooled crucible for electron beam furnace. BACKGROUND

[0002] Water cooled crucible is needed in the process of melting metal and casting ingot by electron beam furnace, and the structure of water cooled crucible will determine the service life of the crucible and the quality of the ingot. Taking copper as an example, because high-purity copper has very high thermal conductivity, the copper grains of the crucible body will continue to increase in the use process, and finally will crack, and the melt is easy to adhere to the crucible body, and in addition, the sealing ring is also easy to fail due to overheating. Therefore, a new design of cooling water channel and sealing structure is needed to solve the above problems. SUMMARY

[0003] In view of the problems in the background art, the utility model provides a water cooled crucible for electron beam furnace, and the technical scheme comprises a cylindrical crucible seat, a water inlet interface, a water guide, a water outlet interface, a sealing seat and a crucible body, wherein the crucible body and the sealing seat are fixed in the cylindrical crucible seat, the lower outer periphery of the crucible body is connected with the inner periphery of the sealing seat through the inner end sealing ring of the sealing seat, the water guide is arranged between the crucible body and the cylindrical crucible seat, and the water outlet interface and the water inlet interface are respectively fixed on the upper part and the lower part of the outer side of the cylindrical crucible seat.

[0004] The lower part of the cylindrical crucible seat is provided with a uniform water inlet part surrounded by the cylindrical crucible seat, the water guide, the sealing seat and the crucible body, and the water inlet interface is in communication with the uniform water inlet part.

[0005] The water guide is internally provided with a crucible cooling part, a water inlet communication channel, a uniform water outlet part and a water outlet communication channel, wherein the crucible cooling part is arranged at the position close to the crucible body on the radial inner side of the water guide, and the lower end of the crucible cooling part is connected with the uniform water inlet part through the water inlet communication channel.

[0006] The uniform water outlet part is arranged at the position close to the cylindrical crucible seat on the radial outer side of the water guide, the uniform water outlet part is surrounded by the water guide and the cylindrical crucible seat, the upper end of the uniform water outlet part is connected with the crucible cooling part through the water outlet communication channel, and the uniform water outlet part is in communication with the water outlet interface.

[0007] Except for the lower side for sealing with the sealing seat, the other positions on the outer periphery of the crucible body are uniformly covered by the crucible cooling part.

[0008] The sealing seat and the cylindrical crucible seat are fixed through the sealing seat fixing bolt.

[0009] The sealing seat and the cylindrical crucible seat are fixed through the sealing seat fixing bolt. The sealing seat and the cylindrical crucible seat are fixed through the sealing seat fixing bolt. The sealing seat and the cylindrical crucible seat are fixed through the sealing seat fixing bolt.

[0010] The upper end flange of the cylindrical crucible seat and the upper end flange of the crucible body upper end are fixed by upper end mounting bolts.

[0011] The lower end of the cylindrical crucible seat is integrally connected with a base flange, which is fixed with other structures by base fixing bolts.

[0012] The lower middle part of the inner wall of the cylindrical crucible seat is provided with a step, and the water guide is clamped on the step.

[0013] The lower side and the upper side of the uniform water outlet part are respectively sealed by the water guide sealing ring and the crucible seat upper end sealing ring.

[0014] The beneficial effect of the utility model lies in that: because the water guide and the sealing seat are used to form a new space, the cooling effect of the ingot casting crucible is greatly improved, the structure is compact, the maintenance is convenient, and the sealing is reliable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the water-cooled crucible for the electronic beam furnace embodiment of the utility model.

[0016] In the figure: 1-cylindrical crucible seat, 2-water outlet interface, 3-water guide, 4-water guide sealing ring, 5-sealing seat, 6-sealing seat lower end sealing ring, 7-crucible body, 8-sealing seat inner end sealing ring, 9-crucible seat upper end sealing ring, 10-water inlet interface, 11-crucible seat upper end flange, 12-base flange, 14-step, 31-crucible cooling part, 32-water outlet communication channel, 33-uniform water outlet part, 34-water inlet communication channel, 51-uniform water inlet part, 71-crucible upper end flange. DETAILED DESCRIPTION

[0017] The utility model will be further explained in detail in connection with the drawings.

[0018] As Figure 1 The utility model embodiment shown in the figure, including: cylindrical crucible seat 1, water inlet interface 10, water guide 3, water outlet interface 2, sealing seat 5 and crucible body 7, wherein, the crucible body 7 and sealing seat 5 are fixed in cylindrical crucible seat 1, and the lower part outer periphery of the crucible body 7 is connected with the inner periphery of the sealing seat 5 through the sealing seat inner end sealing ring 8;Water guide 3 for providing water cooling to the crucible body 7 is arranged between the crucible body 7 and the cylindrical crucible seat 1;Water outlet interface 2 and water inlet interface 10 are fixed on the upper part and the lower part of the outer side of the cylindrical crucible seat 1 respectively;

[0019] The lower part of the cylindrical crucible seat 1 is provided with a uniform water inlet part 51 surrounded by the cylindrical crucible seat 1, the water guide 3, the sealing seat 5 and the crucible body 7, and the water inlet interface 10 is in communication with the uniform water inlet part 51; the sealing seat 5 and the cylindrical crucible seat 1 are provided with a lower end sealing ring 6 of the sealing seat to keep sealing, and the sealing seat 5 and the crucible body 7 are provided with an inner end sealing ring 8 of the sealing seat to keep sealing, so as to realize the sealing of the uniform water inlet part 51.

[0020] The water guide 3 is internally provided with a crucible cooling part 31, a water inlet communication channel 34, a uniform water outlet part 33 and a water outlet communication channel 32, wherein the crucible cooling part 31 is arranged at a position close to the crucible body 7 on the radial inner side of the water guide 3, the crucible cooling part 31 is surrounded by the water guide 3 and the crucible body 7, and the lower end of the crucible cooling part 31 is connected with the uniform water inlet part 51 through the water inlet communication channel 34; the outer periphery of the crucible body 7 is uniformly covered by the crucible cooling part 31 except for the lower side for sealing with the sealing seat 5; therefore, the crucible cooling part 31 covers as large an area as possible on the outer side of the crucible body 7 to cool the crystallization part in the crucible body 7;

[0021] The uniform water outlet part 33 is arranged at a position close to the cylindrical crucible seat 1 on the radial outer side of the water guide 3, the uniform water outlet part 33 is surrounded by the water guide 3 and the cylindrical crucible seat 1, the upper end of the uniform water outlet part 33 is connected with the crucible cooling part 31 through the water outlet communication channel 32, and the uniform water outlet part 33 is in communication with the water outlet interface 2; the lower side and the upper side of the uniform water outlet part 33 are respectively kept sealed by the water guide sealing ring 4 and the upper end sealing ring 9 of the crucible seat;

[0022] In the embodiment, the sealing seat 5 and the cylindrical crucible seat 1 are fixed by the sealing seat fixing bolt.

[0023] In the embodiment, the upper end flange 11 of the cylindrical crucible seat 1 and the upper end flange 71 of the upper end of the crucible body 7 are fixed by the upper end mounting bolt.

[0024] In the embodiment, the lower end of the cylindrical crucible seat 1 is integrally provided with the base flange 12, and the base flange 12 is fixed with other structures by the base fixing bolt.

[0025] In the embodiment, the middle and lower part of the inner periphery of the wall body of the cylindrical crucible seat 1 is provided with a step 14, and the water guide 3 is clamped on the step 14, so as to facilitate installation, positioning and sealing.

[0026] In use, the cooling water enters the uniform water inlet part 51 from the water inlet interface 10; then the cooling water in the uniform water inlet part 51 cools the inner side 7 after entering the crucible cooling part 31 from the water inlet communication channel 34 below the crucible cooling part 31; then the cooling water is heated and enters the uniform water outlet part 33 from the water outlet communication channel 32 above the crucible cooling part 31, and finally is discharged from the water outlet interface 2; at the same time, the raw material (such as copper) gradually crystallizes in the crystallization part inside the crucible body 7; the setting of the uniform water inlet part 51 and the uniform water outlet part 33 makes the water guide 3 (the crucible cooling part 31) be cooled in two directions, thereby increasing the heat exchange effect of the crucible cooling part 31, increasing the heat exchange effect, and avoiding the adhesion of the melt to the crucible body and the cracking of the crucible body.

Claims

1. A water-cooled crucible for an electron beam furnace, characterized in that The application relates to a cylindrical crucible seat (1), a water inlet interface (10), a water guide (3), a water outlet interface (2), a sealing seat (5) and a crucible body (7), wherein the crucible body (7) and the sealing seat (5) are fixed in the cylindrical crucible seat (1), the lower outer periphery of the crucible body (7) is connected with the inner periphery of the sealing seat (5) through a sealing ring (8) at the inner end of the sealing seat, the water guide (3) is arranged between the crucible body (7) and the cylindrical crucible seat (1), and the water outlet interface (2) and the water inlet interface (10) are respectively fixed on the upper portion and the lower portion of the outer side of the cylindrical crucible seat (1). The lower portion of the cylindrical crucible seat (1) is provided with a uniform water inlet portion (51) surrounded by the cylindrical crucible seat (1), the water guide (3), the sealing seat (5) and the crucible body (7), and the water inlet interface (10) is communicated with the uniform water inlet portion (51). The water guide (3) is internally provided with a crucible cooling portion (31), a water inlet communication channel (34), a uniform water outlet portion (33) and a water outlet communication channel (32), wherein the crucible cooling portion (31) is arranged at the position close to the crucible body (7) on the radial inner side of the water guide (3), and the lower end of the crucible cooling portion (31) is connected with the uniform water inlet portion (51) through the water inlet communication channel (34). The uniform water outlet portion (33) is arranged at the position close to the cylindrical crucible seat (1) on the radial outer side of the water guide (3), the uniform water outlet portion (33) is surrounded by the water guide (3) and the cylindrical crucible seat (1), the upper end of the uniform water outlet portion (33) is connected with the crucible cooling portion (31) through the water outlet communication channel (32), and the uniform water outlet portion (33) is communicated with the water outlet interface (2). The outer periphery of the crucible body (7) is uniformly covered by the crucible cooling portion (31) except the lower side for sealing with the sealing seat (5).

2. A water-cooled crucible for an electron beam furnace according to claim 1, wherein The sealing seat (5) and the cylindrical crucible seat (1) are fixed through a sealing seat fixing bolt.

3. A water-cooled crucible for an electron beam furnace as defined in claim 1, characterized in that The sealing seat (5) and the cylindrical crucible seat (1) are provided with a sealing ring (6) at the lower end of the sealing seat to keep sealing, and the sealing seat (5) and the crucible body (7) are provided with a sealing ring (8) at the inner end of the sealing seat to keep sealing, so that the uniform water inlet portion (51) is sealed.

4. A water-cooled crucible for an electron beam furnace according to claim 3, wherein The upper end flange (11) of the cylindrical crucible seat (1) and the upper end flange (71) of the upper end of the crucible body (7) are fixed through an upper end mounting bolt.

5. A water-cooled crucible for an electron beam furnace as defined in claim 1, wherein The lower end of the cylindrical crucible seat (1) is integrally provided with a base flange (12), and the base flange (12) is fixed with other structures through a base fixing bolt.

6. A water-cooled crucible for an electron beam furnace as defined in claim 1, wherein The middle lower portion of the inner periphery of the wall body of the cylindrical crucible seat (1) is provided with a step (14), and the water guide (3) is clamped on the step (14).

7. A water-cooled crucible for an electron beam furnace as defined in claim 1, wherein The lower side and the upper side of the uniform water outlet portion (33) are respectively kept sealed through a water guide sealing ring (4) and a crucible seat upper end sealing ring (9).

8. A water-cooled crucible for an electron beam furnace as defined in claim 1, wherein ​