CN115574600A

CN115574600A - High-temperature evaporation furnace with uniformly heated crucible

Info

Publication number: CN115574600A
Application number: CN202211030011.5A
Authority: CN
Inventors: 谢上川; 沈鹏; 蒋泽军; 刘德昆
Original assignee: Hangzhou Xinchuan New Material Co ltd
Current assignee: Hangzhou Xinchuan New Material Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-06
Anticipated expiration: 2042-08-26
Also published as: CN115574600B

Abstract

The invention discloses a high-temperature evaporation furnace with uniformly heated crucibles, which belongs to the technical field of high-temperature evaporation furnaces and comprises a lower barrel, an upper cover, a crucible body, a crucible cover and a feeding channel, wherein the upper cover can be butted with the lower barrel; a first torsion spring for resetting the first sealing plate is sleeved on the rotating shaft of the first sealing plate; a second sealing plate is arranged between the first sealing plate and the crucible cover and is in sliding connection with the upper cover, a first spring is fixedly connected onto the second sealing plate, the top end of the first spring is fixedly connected with the upper cover, and a feeding assembly is arranged on one side, away from the second sealing plate, of the first sealing plate; the invention can keep the crucible at a stable temperature for heating.

Description

High-temperature evaporation furnace with uniformly heated crucible

Technical Field

The invention relates to the technical field of high-temperature evaporation furnaces, in particular to a high-temperature evaporation furnace with uniformly heated crucibles.

Background

When various powders are prepared by using the vapor phase evaporation and condensation method, a high-temperature evaporation furnace is required.

The invention discloses a high-temperature evaporation furnace of a conductive crucible, which uses plasma transferred arc heating, and comprises a shell, a conductive crucible, a transferred arc gun and a power supply, wherein the conductive crucible is arranged in an inner cavity of the shell, the conductive crucible consists of a crucible body and a crucible cover arranged above the crucible body, an air inlet cavity is arranged in the bottom wall of the crucible body, one side of the air inlet cavity is communicated with the inner cavity of the crucible body through a plurality of carrier gas input preheating channels, the other side of the air inlet cavity is connected with a plurality of air guide channels, the end parts of the air guide channels extend to the outer side of the shell, a conductive rod is connected between the bottom of the crucible body and the bottom of the shell, the transferred arc gun is arranged above the shell, the lower end of the transferred arc gun extends to the inner side of the crucible cover, and the transferred arc gun and the conductive rod are respectively and electrically connected with the power supply. The utility model discloses simple structure, reasonable in design, its inside heating temperature is high, uses when being suitable for the high material of boiling to prepare into the powder, has wide market prospect.

Although the prior art can realize high internal heating temperature and is suitable for being used when materials with high boiling points are prepared into powder, when the materials are added into the crucible through an external feeding system, high-temperature heat in the crucible can be quickly dissipated from the feeding system, and low-temperature metal can also quickly absorb more heat when entering the crucible, so that the stability in the crucible can be rapidly reduced when the materials are fed, a follow-up crucible can be caused to still need to be reheated to a specified temperature to enable the metal to generate gas, and the metal powder manufacturing efficiency is lower.

Based on the above, the invention designs the high-temperature evaporation furnace with the uniformly heated crucible to solve the problems.

Disclosure of Invention

The invention aims to provide a high-temperature evaporation furnace with a uniformly heated crucible, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-temperature evaporation furnace with uniformly heated crucibles comprises a lower barrel, an upper cover, a crucible body, a crucible cover and a feeding channel, wherein the upper cover can be butted with the lower barrel; a first torsion spring for resetting the first sealing plate is sleeved on the rotating shaft of the first sealing plate; the improved crucible cover is characterized in that a second sealing plate is arranged between the first sealing plate and the crucible cover, the second sealing plate is connected with the upper cover in a sliding mode, a first spring is fixedly connected onto the second sealing plate, the top end of the first spring is fixedly connected with the upper cover, a feeding assembly is arranged on one side, away from the second sealing plate, of the first sealing plate, a first driving assembly is further arranged on the upper cover, and the first driving assembly drives the first sealing plate and the second sealing plate to be opened successively when the feeding assembly conveys materials.

As a further scheme of the invention, the feeding assembly comprises two belt rollers, the two belt rollers are arranged in the feeding channel and are rotatably connected with the upper cover, the two belt rollers are jointly connected with a conveying belt in a transmission manner, a plurality of fixed blocks are fixedly connected onto the conveying belt and are distributed at equal intervals along the outer surface of the conveying belt, the fixed blocks are connected with baffle plates, and a material guide plate is arranged on one side, away from the first sealing plate, of the conveying belt and is rotatably connected with the upper cover; and a driving mechanism is arranged on the outer side of the belt roller close to the first sealing plate and used for driving the belt roller to rotate.

As a further aspect of the present invention, the driving mechanism includes a motor, and an output shaft of the motor is fixedly connected to the belt roller close to the first sealing plate.

As a further aspect of the present invention, the first driving assembly includes a first gear fixedly connected to a rotation shaft of the belt roller away from the first sealing plate; the first gear is meshed with a second gear, the diameter of the second gear is larger than that of the first gear, the second gear is rotatably connected with the upper cover, an incomplete gear is fixedly connected to a rotating shaft of the second gear, and the incomplete gear is meshed with a first rack rod and a second rack rod; the first rack rod is fixedly connected with a second spring for resetting the first rack rod; the second rack rod is fixedly connected with a third spring for resetting the second rack rod; a first traction rope is fixedly connected to the first rack rod, and one end of the first traction rope penetrates through the inner part of the upper cover and is fixedly connected with the second sealing plate; and a second traction rope is fixedly connected to the second rack rod, and one end of the second traction rope penetrates through the inner part of the upper cover and is fixedly connected with the top end of the first sealing plate.

As a further scheme of the invention, the material guide plate is L-shaped, and the vertical edge of the material guide plate is as high as the height of the feeding channel; a second torsion spring for resetting the guide plate is sleeved on the rotating shaft of the guide plate; the top of stock guide rotates and is connected with the slide, the bottom of slide rotates and is connected with the traveller, traveller and upper cover sliding connection.

As a further scheme of the invention, the baffle is rotationally connected with the fixed block; a third torsion spring for resetting the baffle is sleeved on the rotating shaft of the baffle; the conveying belt is characterized in that a sealing block is arranged below the conveying belt, a wedge block is connected to the sealing block in a sliding mode, the wedge block is connected with the sealing block in a sliding mode, and a fourth spring used for resetting of the wedge block is fixedly connected to the wedge block.

As a further aspect of the present invention, the first sealing plate is made of a heat-insulating and high-temperature-resistant material, and the second sealing plate is made of a high-temperature-resistant material.

As a further scheme of the invention, the conveying belt is made of high-temperature-resistant materials.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the first sealing plate, the second sealing plate, the feeding assembly and the first driving assembly, the feeding assembly can quantitatively convey materials between the first sealing plate and the second sealing plate, the heat in the crucible body can be transferred to the region between the first sealing plate and the second sealing plate through the second sealing plate, the metal materials between the first sealing plate and the second sealing plate can be preheated, the initial temperature of the subsequent metal materials can be higher during heating, the metal materials can be better heated, the phenomenon that the temperature in the crucible body is unstable at the moment of material addition due to the fact that the cold materials are directly added into the crucible body to absorb more heat can be avoided, the crucible body can be kept at a stable temperature for heating, the material heating efficiency can be greatly improved, and the metal materials can be accelerated to become gas generating powder.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic view showing the positional relationship and connection relationship between the belt roller, the conveyor belt, the fixing block and the baffle according to the present invention;

FIG. 5 is a schematic view of a portion of the present invention;

FIG. 6 is a schematic cross-sectional view of the position relationship of the fixing block, the baffle and the third torsion spring according to the present invention.

In the drawings, the reference numbers indicate the following list of parts:

the crucible cover comprises a lower barrel 1, an upper cover 2, a crucible body 3, a crucible cover 4, a charging channel 5, a first sealing plate 6, a first torsion spring 7, a second sealing plate 8, a first spring 9, a belt roller 10, a conveying belt 11, a fixing block 12, a baffle 13, a material guide plate 14, a motor 15, a first gear 16, a second gear 17, an incomplete gear 18, a first rack rod 19, a second rack rod 20, a second spring 21, a third spring 22, a first traction rope 23, a second traction rope 24, a second torsion spring 25, a sliding plate 26, a sliding column 27, a wedge-shaped block 28, a fourth spring 29, a sealing block 30 and a third torsion spring 31.

Detailed Description

Referring to fig. 1-6, the present invention provides a technical solution: a high-temperature evaporation furnace with uniformly heated crucibles comprises a lower barrel body 1, an upper cover 2, a crucible body 3, a crucible cover 4 and a feeding channel 5, wherein the upper cover 2 can be butted with the lower barrel body 1, the crucible body 3 is fixedly arranged in the lower barrel body 1, the crucible cover 4 is fixedly arranged in the upper cover 2, the crucible cover 4 can be matched with the crucible body 3, the feeding channel 5 is arranged in the upper cover 2, and a first sealing plate 6 is rotationally connected in the feeding channel 5; a first torsion spring 7 for resetting the first sealing plate 6 is sleeved on the rotating shaft of the first sealing plate; be provided with second closing plate 8 between first closing plate 6 and crucible cover 4, second closing plate 8 and upper cover 2 sliding connection, the first spring 9 of fixedly connected with on the second closing plate 8, the top and the upper cover 2 fixed connection of first spring 9, one side that second closing plate 8 was kept away from to first closing plate 6 is provided with reinforced subassembly, still be provided with first drive assembly on upper cover 2, first drive assembly drives first closing plate 6 and second closing plate 8 and opens successively when reinforced subassembly transported substance.

The feeding assembly comprises two belt rollers 10, the two belt rollers 10 are both arranged in the feeding channel 5 and are rotationally connected with the upper cover 2, the two belt rollers 10 are jointly in transmission connection with a conveying belt 11, a plurality of fixing blocks 12 are fixedly connected to the conveying belt 11, the fixing blocks 12 are distributed along the outer surface of the conveying belt 11 at equal intervals, a baffle 13 is connected to the fixing blocks 12, a material guide plate 14 is arranged on one side, away from the first sealing plate 6, of the conveying belt 11, and the material guide plate 14 is rotationally connected with the upper cover 2; and a driving mechanism is arranged on the outer side of the belt roller 10 close to the first sealing plate 6 and is used for driving the belt roller 10 to rotate.

The driving mechanism comprises a motor 15, and an output shaft of the motor 15 is fixedly connected with the belt roller 10 close to the first sealing plate 6.

The first driving assembly comprises a first gear 16, and the first gear 16 is fixedly connected to the rotating shaft of the belt roller 10 far away from the first sealing plate 6; the first gear 16 is meshed with a second gear 17, the diameter of the second gear 17 is larger than that of the first gear 16, the second gear 17 is rotatably connected with the upper cover 2, an incomplete gear 18 is fixedly connected to a rotating shaft of the second gear 17, and the incomplete gear 18 is meshed with a first rack bar 19 and a second rack bar 20; the first rack bar 19 is fixedly connected with a second spring 21 for resetting the first rack bar; the second rack rod 20 is fixedly connected with a third spring 22 for resetting the second rack rod; a first traction rope 23 is fixedly connected to the first rack bar 19, and one end of the first traction rope 23 penetrates through the inner part of the upper cover 2 and is fixedly connected with the second sealing plate 8; a second hauling rope 24 is fixedly connected to the second rack bar 20, and one end of the second hauling rope 24 penetrates through the inner part of the upper cover 2 and is fixedly connected with the top end of the first sealing plate 6.

When the scheme is put into practical use, as shown in fig. 2, a plasma transfer arc gun extends into a crucible body 3 in the upper cover 2 from the top of the upper cover, the bottom end of the plasma transfer arc gun is close to the top of metal, the plasma transfer arc gun is a cathode, the metal is an anode, the cathode and the anode are conducted through plasma gas-arc, the metal in the crucible body 3 is heated in a continuous high-power mode, the metal flows out from a gas outlet liquid return channel on the right side of the upper cover 2 after being changed into gas, and then the metal is added into the crucible body 3 through a feeding channel 5; after entering the feeding channel 5, the metal slides onto the conveying belt 11 from the material guide plate 14, the metal is blocked by the baffle 13, the motor 15 is started to drive the belt roller 10 to rotate clockwise (taking fig. 3 as a reference), the belt roller 10 drives the conveying belt 11 to transmit clockwise, the conveying belt 11 drives the baffle 13 to move synchronously through the fixed block 12, and the conveying belt 11 also drives the material on the top of the conveying belt to move synchronously; as shown in fig. 3, the material is located between two baffles 13 on the top of the conveying belt 11, as shown in fig. 5, at this time, the incomplete gear 18 is engaged with the second rack bar 20, the belt roller 10 far away from the first sealing plate 6 drives the first gear 16 to rotate, the first gear 16 drives the second gear 17 to rotate, the second gear 17 drives the incomplete gear 18 to rotate, the incomplete gear 18 first drives the second rack bar 20 to move to a side close to the first sealing plate 6, the second rack bar 20 drives one end of the second traction rope 24 to synchronously move, the other end of the second traction rope 24 drives the first sealing plate 6 to rotate counterclockwise, so that the first sealing plate 6 rotates to a position parallel to the top surface of the conveying belt 11 and below the conveying belt 11, it should be noted that the number of teeth on the second rack bar 20 is limited, after the first sealing plate 6 rotates to a position parallel to the conveying belt 11, the incomplete gear 18 does not drive the second rack bar 20 to move any more, but only plays a limiting role on the second rack bar 20, then the fixing block 12 close to the first sealing plate 6 is moved to a position parallel to the left side of the conveying belt 11, and then the second sealing plate 13 is moved to the left side of the conveying belt roller 13, and then the second sealing plate 13 is moved to move downwards, when the second sealing plate 13 is moved to the left side, and the second sealing plate 6 and the baffle 13 is moved to the left side, and then the baffle 6 is moved to move slowly, and then the baffle 13 is moved to the left side of the second sealing plate 13, and then the baffle plate 13 is moved to move downwards; at this time, the incomplete gear 18 rotates to a position disengaged from the second rack bar 20, after the limit of the incomplete gear 18 is lost, the second rack bar 20 moves back to the initial position under the elastic force of the third spring 22, the first sealing plate 6 overturns back to the initial position under the action of the first torsion spring 7, the material is located between the first sealing plate 6 and the second sealing plate 8, the heat in the crucible body 3 can be transferred to an area between the first sealing plate 6 and the second sealing plate 8 through the second sealing plate 8, the metal material located between the first sealing plate 6 and the second sealing plate 8 can be preheated, the initial temperature of the subsequent metal material is higher during heating, the metal material can be better heated, and the phenomenon that the cold material is directly added into the crucible body 3 to absorb more heat, so that the temperature in the crucible body 3 is unstable in the material adding moment can be avoided, and the material heating efficiency can be reduced; then, the motor 15 is stopped, when feeding is needed, the motor 15 is enabled to continuously drive the belt roller 10 to rotate, at this time, the incomplete gear 18 rotates to a position meshed with the first rack bar 19, then the incomplete gear 18 drives the first rack bar 19 to move towards one side away from the first sealing plate 6, the first rack bar 19 drives the second sealing plate 8 to move upwards through the first traction rope 23, the second sealing plate 8 opens the bottom end of the feeding channel 5, then the metal material drops into the crucible body 3 from the bottom end of the feeding channel 5, then after the incomplete gear 18 moves to the initial position, the second sealing plate 8 moves downwards under the elastic force of the first spring 9 to initially close the feeding channel 5, it is required to be noted that the circumference of the incomplete gear is equal to the distance between the two baffles 13, that is, when the incomplete gear 18 moves to the initial position, the baffles 13 move to the position shown in fig. 4, then the feeding assembly can work again, so that the material to be heated moves to the first sealing plate 6 and the second sealing plate 8 to preheat, and then the material in the crucible body is heated by the crucible body after the incomplete gear 3 is moved to the initial position, and the step of the crucible body is repeated; according to the crucible, through the arrangement of the first sealing plate 6, the second sealing plate 8, the feeding assembly and the first driving assembly, the feeding assembly can quantitatively convey materials between the first sealing plate 6 and the second sealing plate 8, heat in the crucible body 3 can be transferred to an area between the first sealing plate 6 and the second sealing plate 8 through the second sealing plate 8, the metal materials between the first sealing plate 6 and the second sealing plate 8 can be preheated, the initial temperature of the subsequent metal materials is higher during heating, the metal materials can be better heated, the phenomenon that the temperature in the crucible body 3 is unstable at the moment of adding the materials due to the fact that the cold materials are directly added into the crucible body 3 to absorb more heat can be avoided, the crucible body 3 can be kept at a stable temperature for heating, the heating efficiency of the materials can be greatly improved, and the phenomenon that the metal materials are changed into gas to generate powder can be accelerated.

As a further scheme of the invention, the material guide plate 14 is in an L shape, and the vertical edge of the material guide plate 14 is equal to the height of the feeding channel 5; a second torsion spring 25 for resetting the guide plate 14 is sleeved on the rotating shaft of the guide plate; the top end of the material guide plate 14 is rotatably connected with a sliding plate 26, the bottom end of the sliding plate 26 is rotatably connected with a sliding column 27, and the sliding column 27 is slidably connected with the upper cover 2.

When the feeding channel 5 is put into practical use, as shown in fig. 3, sufficient material can be added into the feeding channel 5, the material can be accumulated on the left side of the sliding plate 26, after the conveying belt 11 drives the fixed block 12 and the baffle plate 13 to rotate to contact with the material guide plate 14, the fixed block 12 can push the material guide plate 14 to turn upwards, the material guide plate 14 can drive the top end of the sliding plate 26 to rotate synchronously, the bottom end of the sliding plate 26 can drive the sliding column 27 to slide in the upper cover 2, the top ends of the sliding plate 26 and the material guide plate 14 are no longer attached to the top wall of the feeding channel 5, then the material can slide down to the inner side of the L-shaped material guide plate 14 along the sliding plate 26, then when the baffle plate 13 is driven by the conveying belt 11 to move to a position perpendicular to the feeding channel 5, the material guide plate 14 can turn over to the position shown in fig. 3 under the action of the second torsion spring 25, and then the material can fall onto the conveying belt 11 and be located on the left side of the baffle plate 13.

As a further scheme of the invention, the baffle 13 is rotatably connected with the fixed block 12; a third torsion spring 31 for resetting the baffle 13 is sleeved on the rotating shaft of the baffle; the sealing device is characterized in that a sealing block 30 is arranged below the conveying belt 11, a wedge block 28 is connected to the sealing block 30 in a sliding mode, the wedge block 28 is connected with the sealing block 30 in a sliding mode, and a fourth spring 29 for resetting the wedge block 28 is fixedly connected to the wedge block 28.

When the scheme is put into practical use, through the arrangement of the sealing block 30 and the wedge block 28, heat in an area enclosed by the first sealing plate 6, the upper right side baffle plate 13, the wedge block 28 and the conveying belt 11 cannot be lost, the conveying belt 11 drives the wedge block 28 to move downwards in the process of driving the fixed block 12 to move, and then after the fixed block 12 moves to the left side of the wedge block 28, the wedge block 28 moves back to the initial position under the action of the elastic force of the fourth spring 29.

As a further scheme of the present invention, the first sealing plate 6 is made of a heat-insulating and high-temperature-resistant material, and the second sealing plate 8 is made of a high-temperature-resistant material; during operation, first closing plate 6 adopts heat preservation and high temperature resistant material to make, and second closing plate 8 adopts high temperature resistant material to make, can reduce the loss of heat in the crucible body 3.

As a further scheme of the invention, the conveying belt 11 is made of high-temperature-resistant materials, and when the conveying belt 11 works, the conveying belt 11 can work better due to the fact that the conveying belt 11 is made of the high-temperature-resistant materials.

Claims

1. The utility model provides a crucible is heated even high temperature evaporation furnace, includes barrel (1), upper cover (2), crucible body (3), crucible cover (4) and reinforced passageway (5) down, upper cover (2) can dock with barrel (1) down, crucible body (3) fixed mounting is in barrel (1) down, crucible cover (4) fixed mounting is in upper cover (2), crucible cover (4) can cooperate with crucible body (3), reinforced passageway (5) are seted up in upper cover (2), its characterized in that: a first sealing plate (6) is rotationally connected in the feeding channel (5); a first torsion spring (7) for resetting the first sealing plate (6) is sleeved on the rotating shaft of the first sealing plate; be provided with second closing plate (8) between first closing plate (6) and crucible cover (4), second closing plate (8) and upper cover (2) sliding connection, fixedly connected with first spring (9) on second closing plate (8), the top and upper cover (2) fixed connection of first spring (9), one side that second closing plate (8) were kept away from in first closing plate (6) is provided with reinforced subassembly, still be provided with first drive assembly on upper cover (2), first drive assembly drives first closing plate (6) and second closing plate (8) and opens successively when reinforced subassembly transported substance material.

2. The high-temperature evaporation furnace with the uniformly heated crucible as claimed in claim 1, wherein: the feeding assembly comprises two belt rollers (10), the two belt rollers (10) are arranged in a feeding channel (5) and are rotatably connected with the upper cover (2), the two belt rollers (10) are jointly connected with a conveying belt (11) in a transmission manner, a plurality of fixing blocks (12) are fixedly connected onto the conveying belt (11), the fixing blocks (12) are distributed at equal intervals along the outer surface of the conveying belt (11), the fixing blocks (12) are connected with baffle plates (13), a guide plate (14) is arranged on one side, away from the first sealing plate (6), of the conveying belt (11), and the guide plate (14) is rotatably connected with the upper cover (2); and a driving mechanism is arranged on the outer side of the belt roller (10) close to the first sealing plate (6) and is used for driving the belt roller (10) to rotate.

3. The high-temperature evaporation furnace with the uniformly heated crucible as claimed in claim 2, wherein: the driving mechanism comprises a motor (15), and an output shaft of the motor (15) is fixedly connected with a belt roller (10) close to the first sealing plate (6).

4. The high-temperature evaporation furnace with the uniformly heated crucible as claimed in claim 2, wherein: the first driving assembly comprises a first gear (16), and the first gear (16) is fixedly connected to a rotating shaft of the belt roller (10) far away from the first sealing plate (6); the first gear (16) is meshed with a second gear (17), the diameter of the second gear (17) is larger than that of the first gear (16), the second gear (17) is rotatably connected with the upper cover (2), an incomplete gear (18) is fixedly connected to a rotating shaft of the second gear (17), and the incomplete gear (18) is meshed with a first rack rod (19) and a second rack rod (20); the first rack bar (19) is fixedly connected with a second spring (21) for resetting the first rack bar; the second rack bar (20) is fixedly connected with a third spring (22) for resetting the second rack bar; a first traction rope (23) is fixedly connected to the first rack rod (19), and one end of the first traction rope (23) penetrates through the inner part of the upper cover (2) and is fixedly connected with the second sealing plate (8); a second traction rope (24) is fixedly connected to the second rack rod (20), and one end of the second traction rope (24) penetrates through the inner portion of the upper cover (2) and is fixedly connected with the top end of the first sealing plate (6).

5. The high-temperature evaporation furnace with the uniformly heated crucible as claimed in claim 2, wherein: the material guide plate (14) is L-shaped, and the vertical edge of the material guide plate (14) is as high as the charging channel (5); a second torsion spring (25) for resetting the guide plate is sleeved on the rotating shaft of the guide plate (14); the top end of the material guide plate (14) is rotatably connected with a sliding plate (26), the bottom end of the sliding plate (26) is rotatably connected with a sliding column (27), and the sliding column (27) is slidably connected with the upper cover (2).

6. The high-temperature evaporation furnace with the crucible uniformly heated according to claim 2, wherein: the baffle (13) is rotatably connected with the fixed block (12); a third torsion spring (31) for resetting the baffle plate (13) is sleeved on the rotating shaft of the baffle plate; the below of conveyor belt (11) sets up sealing block (30), sliding connection has wedge (28) on sealing block (30), wedge (28) and sealing block (30) sliding connection, fixedly connected with is used for its fourth spring (29) that resets on wedge (28).

7. The high-temperature evaporation furnace with the uniformly heated crucible as claimed in claim 1, wherein: the first sealing plate (6) is made of heat-preservation and high-temperature-resistant materials, and the second sealing plate (8) is made of high-temperature-resistant materials.

8. The high-temperature evaporation furnace with the crucible uniformly heated according to claim 2, wherein: the conveying belt (11) is made of high-temperature-resistant materials.