阅读说明：本技术 一种高温合金冶炼设备及其方法 (High-temperature alloy smelting equipment and method thereof ) 是由 文港 金彬 于 2021-09-17 设计创作，主要内容包括：本发明涉及金属材料制备技术领域,具体的说是一种高温合金冶炼设备及其方法；包括炉体、炉盖、电阻丝、坩埚、降温孔、排气孔、温控器和控制器；所述炉盖远离炉体的端面设置有一号通槽,炉盖远离炉体的端面均匀设置有圆槽；所述空腔的横截面形状为圆形,空腔内部滑动连接有阻挡板；所述圆槽内转动连接有L形杆；所述L形杆与阻挡板固连；本发明通过将石墨放置在储存箱内部,储存箱被隔热块包裹,再与通过转动L形杆使得储存箱内部的石墨落入坩埚中相配合,从而达到工作人员能够根据炉内的温度决定放置石墨的目的,进而保证了在加入石墨的过程中是没有气体掺杂在内部,使得高温合金冶炼设备碳脱氧反应效果提高,使用效果得到提高。(The invention relates to the technical field of metal material preparation, in particular to high-temperature alloy smelting equipment and a method thereof; comprises a furnace body, a furnace cover, a resistance wire, a crucible, a cooling hole, an exhaust hole, a temperature controller and a controller; the end surface of the furnace cover, which is far away from the furnace body, is provided with a first through groove, and the end surface of the furnace cover, which is far away from the furnace body, is uniformly provided with circular grooves; the cross section of the cavity is circular, and a blocking plate is connected in the cavity in a sliding manner; an L-shaped rod is rotationally connected in the circular groove; the L-shaped rod is fixedly connected with the blocking plate; according to the invention, the graphite is placed in the storage box, the storage box is wrapped by the heat insulation blocks, and then the graphite in the storage box falls into the crucible to be matched with the L-shaped rod, so that the purpose that workers can place the graphite according to the temperature in the furnace is achieved, further, no gas is doped in the storage box in the graphite adding process is ensured, the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is improved, and the use effect is improved.)

1. A high-temperature alloy smelting device comprises a furnace body (1), a furnace cover (2), a resistance wire (3), a crucible (4), a cooling hole (9), an exhaust hole (5), a temperature controller and a controller; an orifice of the exhaust hole (5) is fixedly connected with an exhaust pipe (8), and the exhaust hole (5) is connected with an air pump through the exhaust pipe (8); the method is characterized in that: a first through groove (21) is formed in the end face, far away from the furnace body (1), of the furnace cover (2), and circular grooves (22) are uniformly formed in the end face, far away from the furnace body (1), of the furnace cover (2); the wall of the first through groove (21) is fixedly connected with a storage box (6); a first through groove (21) extends out of two ends of the storage box (6), a box cover (61) is arranged on the end face, far away from the furnace body (1), of the storage box (6), and a first groove (62) is arranged on the end face, close to the furnace body (1), of the storage box (6); the end surface of the furnace cover (2) close to the furnace body (1) is fixedly connected with a heat insulation block (23); the heat insulation block (23) wraps one end, extending out of the first through groove (21), of the storage box (6), and a cavity (24) is formed in the end face, far away from the furnace body (1), of the heat insulation block (23); the cross section of the cavity (24) is circular, and a blocking plate (25) is connected inside the cavity (24) in a sliding manner; the blocking plate (25) is aligned with and sealed to the first groove (62); the round groove (22) is rotatably connected with an L-shaped rod (26), and the side wall of the round groove (22) is fixedly connected with a sealing layer (7); the L-shaped rod (26) is fixedly connected with the blocking plate (25); the end surface of the heat insulation block (23) far away from the furnace body (1) is provided with a second through groove (27); the second through groove (27) is aligned with the first groove (62); a second groove (63) is formed in the box cover (61) far away from the furnace body (1); the second groove (63) penetrates through the opposite end face of the box cover (61), the wall of the second groove (63) far away from the furnace body (1) is fixedly connected with an exhaust pipe (8), and the second groove (63) is connected with an air pump through the exhaust pipe (8); the temperature controller can observe the temperature change in the crucible (4).

2. The superalloy smelting plant of claim 1, wherein: the wall of the storage box (6) is uniformly and fixedly connected with partition plates (65); the end faces, close to each other, of the partition plates (65) are fixedly connected together, the storage box (6) is equally divided into three grooves (66) with the same internal volume through the partition plates (65), and one ends of the partition plates (65) extend out of the end faces, far away from the furnace body (1), of the storage box (6); the cross section of the box cover (61) is in a fan shape; the cross section of the blocking plate (25) is fan-shaped, the shapes of the blocking plate (25) and the box cover (61) are the same as those of the third groove (66), and the two ends of the third groove (66) can be blocked by the blocking plate (25) and the box cover (61).

3. The superalloy smelting plant of claim 2, wherein: a rectangular plate (28) is connected to the part, close to the circular groove (22), of the cavity bottom of the cavity (24) in a sliding mode; a spring (29) is arranged between the end face of the L-shaped rod (26) close to the heat insulation block (23) and the end face of the rectangular plate (28) far away from the furnace body (1); one end of the spring (29) is fixedly connected with the end face, close to the heat insulation block (23), of the L-shaped rod (26), and the other end of the spring is fixedly connected with the rectangular plate (28); the end surface of the blocking plate (25) close to the furnace body (1) is fixedly connected with a heat-insulating layer (67); the spring (29) is made of high-temperature resistant material.

4. The superalloy smelting plant of claim 3, wherein: an annular plate (41) is fixedly connected to the end face, close to the furnace cover (2), of the crucible (4); the end face, far away from the crucible (4), of the annular plate (41) is provided with a third through groove (42); the end surface of the crucible (4) close to the furnace cover (2) is fixedly connected with a pouring opening (43); the pouring opening (43) is communicated with the third through groove (42).

5. The superalloy smelting plant of claim 4, wherein: the longitudinal section of the third groove (66) is in an inverted trapezoid shape; a fourth groove (68) is formed in the end face, close to the third groove (66), of the box cover (61); the longitudinal section of the fourth groove (68) is trapezoidal, and the fourth groove (68) is far away from the partition plate (65); and the groove wall of the fourth groove (68) is fixedly connected with a sealing layer (7), and the fourth groove (68) is matched with the edge of the storage box (6).

6. A method for smelting a high-temperature alloy, which is applied to the high-temperature alloy smelting equipment according to any one of claims 1 to 5, and is characterized in that: the method comprises the following steps:

s1: s1: the alloy is firstly placed into the crucible (4) by a worker, then the furnace cover (2) is covered, and air in the furnace is pumped out from the exhaust hole (5) through the air pump to form a vacuum environment; then opening a box cover (61), placing graphite in the storage box (6), closing the box cover (61), and sucking air from a second groove (63) through an air pump to form a vacuum environment in the storage box (6);

s2: a worker starts the resistance wire (3) through the controller, so that the resistance wire (3) heats the crucible (4) and the alloy in the crucible (4) is melted; when the temperature reaches a certain value, a worker presses one L-shaped rod (26) downwards to extrude the spring (29), the blocking plate (25) fixedly connected with the L-shaped rod (26) moves downwards, then the worker rotates the L-shaped rod (26), the L-shaped rod (26) drives the rectangular plate (28) and the blocking plate (25) to rotate, the first groove (62) is leaked, after graphite in the third groove (66) falls into the crucible (4), the worker resets the L-shaped rod (26) in the opposite direction, then the worker loosens hands, the L-shaped rod (26) loses the force of the worker, and only the L-shaped rod (26) is moved upwards under the reactive force of the spring (29), so that the blocking plate (25) is driven to seal the third groove (66);

s3: after the smelting is finished, the operator clamps the crucible (4), and then pours out the metal solution from the pouring opening (43), so that the high-temperature alloy smelting is finished.

Technical Field

The invention relates to the technical field of metal material preparation, in particular to high-temperature alloy smelting equipment and a method thereof.

Background

The high-temperature alloy material generally contains a large amount of noble metal elements such as cobalt, nickel, chromium and the like, the quantity of metal inclusions in raw materials can be reduced through a smelting purification technology, and the mechanical property of the alloy is improved; the technical difficulty of vacuum smelting of high-temperature alloy is that the gas content in the alloy is strictly controlled, the content of harmful impurities in the alloy is reduced, the segregation of alloy elements is reduced, and the purity of alloy melt is improved, so that the service performance and the service life of the alloy are improved; in the vacuum smelting, carbon is used as a main deoxidizing element, and oxygen in the metal solution is removed due to the decomposition reaction of the carbon, so that the aims of reducing the gas content in the alloy and improving the quality of the alloy by purifying the metal solution are fulfilled; along with the progress of carbon deoxidation reaction, the overflow of carbon monoxide gas brings out harmful gases of hydrogen and nitrogen in the alloy; the lower the oxygen content is, the easier the metal melt is to evaporate, and the low-melting-point harmful impurity elements in the alloy are easy to remove; therefore, the deoxidation is a key step in the vacuum smelting process, the deoxidation effect directly determines the content of harmful impurities in the alloy and determines whether the service performance and the service life of the alloy can be improved; however, when carbon is added, air is easily brought in while adding the carbon, so that oxygen in the cavity is increased, and the effect of carbon deoxidation reaction is reduced.

The technical scheme includes that the vacuum furnace feeding device comprises a vacuum feeding chamber and a vacuum smelting chamber arranged below the vacuum feeding chamber, a feeding chamber furnace door is arranged on the outer surface of the vacuum feeding chamber, a turnover switch valve is arranged between the vacuum feeding chamber and the vacuum smelting chamber, the vacuum furnace feeding device further comprises a crucible and a magnetic control feeding barrel, the crucible is arranged at the inner bottom of the vacuum smelting chamber, the magnetic control feeding barrel comprises an extensible rope at the upper end and a feeding barrel main body at the lower end, the top end of the extensible rope is arranged at the top of the inner side of the vacuum feeding chamber, and a magnetic control movable blade is arranged at the bottom of the magnetic control feeding barrel; according to the vacuum furnace feeding device disclosed by the technical scheme, the position of the feeding barrel is accurately controlled through the magnetic control of the feeding barrel, and metal materials are released, so that accurate feeding can be realized; however, the technical scheme has certain defects, and the technical scheme has the limitations that the magnetic control and the feeding rope are used, so that the magnetic failure and the rope breakage occur under the high-temperature condition.

In view of the above, in order to overcome the above technical problems, the present invention provides a high temperature alloy smelting apparatus and a method thereof, which solve the above technical problems.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides the high-temperature alloy smelting equipment and the method thereof.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to high-temperature alloy smelting equipment which comprises a furnace body, a furnace cover, a resistance wire, a crucible, a cooling hole, an exhaust hole, a temperature controller and a controller, wherein the furnace body is arranged on the furnace cover; the vent hole is fixedly connected with an exhaust pipe, and the exhaust hole is connected with an air pump through the exhaust pipe; the end surface of the furnace cover, which is far away from the furnace body, is provided with a first through groove, and the end surface of the furnace cover, which is far away from the furnace body, is uniformly provided with circular grooves; the groove wall of the first through groove is fixedly connected with a storage box; the two ends of the storage box extend out of the first through groove, the end face, far away from the furnace body, of the storage box is provided with a box cover, and the end face, close to the furnace body, of the storage box is provided with a first groove; the end surface of the furnace cover close to the furnace body is fixedly connected with a heat insulation block; the heat insulation block wraps one end, extending out of the first through groove, of the storage box, and a cavity is formed in the end face, away from the furnace body, of the heat insulation block; the cross section of the cavity is circular, and a blocking plate is connected in the cavity in a sliding manner; the blocking plate is aligned with the first groove and sealed; the circular groove is rotatably connected with an L-shaped rod, and the side wall of the circular groove is fixedly connected with a sealing layer; the L-shaped rod is fixedly connected with the blocking plate; the end surface of the heat insulation block, which is far away from the furnace body, is provided with a second through groove; the second through groove is aligned with the first groove; a second groove is formed in the box cover far away from the furnace body; the second groove penetrates through the opposite end face of the box cover, the wall of the second groove, far away from the furnace body, is fixedly connected with an exhaust pipe, and is connected with an air pump through the exhaust pipe; the temperature controller can observe the temperature change in the crucible;

when the alloy works, deoxidation is a key step in the vacuum smelting process, and the deoxidation effect directly determines the content of harmful impurities in the alloy and determines whether the service performance and the service life of the alloy can be improved; when carbon is added, air is easily brought in while feeding, so that oxygen in the cavity is increased, and the effect of carbon deoxidation reaction is reduced;

the alloy is firstly placed into the crucible by a worker, then the furnace cover is covered, and air in the furnace is pumped out from the exhaust hole through the air pump to form a vacuum environment; then opening the box cover, placing graphite in the storage box, closing the box cover, and sucking air from the second groove by the air pump, so that a vacuum environment is formed in the storage box; at the moment, a worker starts the resistance wire through the controller, so that the resistance wire heats the crucible, and the alloy in the crucible is melted; after the temperature in the furnace body is observed to rise through the temperature controller, a worker rotates the L-shaped rod to enable the L-shaped rod to drive the blocking plate to move, the first groove is leaked out, the second through groove is aligned to the first groove, and graphite in the storage box falls into the crucible to react with oxygen in the alloy solution; after the oxygen in the alloy solution completely reacts, a worker closes the resistance wire through the controller, sprays inert gas into the furnace through the cooling hole to reduce the temperature of the furnace body, finally opens the furnace cover to take out the crucible, and pours out the metal solution in the crucible;

according to the invention, the graphite is placed in the storage box, the storage box is wrapped by the heat insulation blocks, and then the graphite in the storage box falls into the crucible to be matched with the L-shaped rod, so that the purpose that workers can place the graphite according to the temperature in the furnace is achieved, further, no gas is doped in the storage box in the graphite adding process is ensured, the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is improved, and the use effect is improved.

Preferably, the walls of the storage box are uniformly and fixedly connected with partition plates; the end faces, close to each other, of the partition plates are fixedly connected together, the partition plates divide the storage box into three grooves with the same internal volume, and one ends of the partition plates extend out of the end faces, far away from the furnace body, of the storage box; the cross section of the box cover is in a sector shape; the cross section of the blocking plate is fan-shaped, the shapes of the blocking plate and the box cover are the same as those of the third groove, and the blocking plate and the box cover can block two ends of the third groove;

during working, a worker places graphite in the third groove, then can press one of the L-shaped rods downwards according to temperature change, so that the blocking plate fixedly connected with the L-shaped rod moves downwards to be separated from the first groove, then the worker rotates the L-shaped rod to leak the first groove, so that the second through groove is aligned with the first groove, and the graphite in the third groove falls into the crucible; when the temperature changes, the worker presses another L-shaped rod again, and the operation is repeated to realize multiple carbon deoxidation reactions; meanwhile, other metals can be placed in the third groove, so that the metal calcium deoxidation and other reactions are realized;

according to the invention, the partition plates are fixedly connected with the wall of the storage box uniformly, the partition plates divide the storage box into the third grooves with the same internal volume, the shapes of the third grooves are the same as the shapes of the barrier plates and the box cover, and the barrier plates and the box cover can plug and match the two ends of the third grooves, so that the purpose of adding materials for multiple times is achieved, and further, when the materials are added, the materials in other third grooves are not influenced, so that the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is further improved, and the use effect is further improved.

Preferably, a rectangular plate is connected to the part, close to the circular groove, of the cavity bottom of the cavity in a sliding manner; a spring is arranged between the end face of the L-shaped rod close to the heat insulation block and the end face of the rectangular plate far away from the furnace body; one end of the spring is fixedly connected with the end face, close to the heat insulation block, of the L-shaped rod, and the other end of the spring is fixedly connected with the rectangular plate; the end surface of the barrier plate close to the furnace body is fixedly connected with a heat insulation layer; the spring is made of high-temperature resistant material;

when the device works, a worker presses one L-shaped rod downwards to extrude the spring, the blocking plate fixedly connected with the L-shaped rod moves downwards, then the worker rotates the L-shaped rod, the L-shaped rod drives the rectangular plate and the blocking plate to rotate, the first groove is leaked, after the graphite in the third groove falls into the crucible, the worker resets the L-shaped rod in the opposite direction, then the hand loosens, the L-shaped rod loses the force of the worker, and only the counterforce of the spring is applied to the L-shaped rod, so that the L-shaped rod moves upwards, and the blocking plate is driven to seal the third groove; the material of the spring is preferably Inconel;

according to the invention, the rectangular plate is connected to the part, close to the circular groove, of the cavity bottom in a sliding manner, and then the rectangular plate is matched with the spring arranged between the end face, close to the heat insulation block, of the L-shaped rod and the end face, far away from the furnace body, of the rectangular plate, so that the third groove is tightly blocked by the blocking plate under the action of the spring, the blocking plate is further ensured to block and insulate the third groove, the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is better improved, and the use effect is also better improved.

Preferably, the end surface of the crucible close to the furnace cover is fixedly connected with an annular plate; the end face, far away from the crucible, of the annular plate is provided with a third through groove; the end surface of the crucible close to the furnace cover is fixedly connected with a dumping opening; the pouring opening is communicated with the third through groove;

during operation, a recess spills for No. two logical grooves are aimed at with a recess, then the inside graphite of No. three recesses falls into the crucible, the annular plate can prevent that metallic solution from flying out the crucible after receiving the free fall of material, make metallic solution remain throughout inside the crucible, wait to need when going out the crucible with metallic solution, the staff carries out the centre gripping to the crucible, then pour out metallic solution from pouring out, avoid metallic solution to be blocked by the annular plate and can't pour out, the result of use that has improved high temperature alloy smelting equipment obtains improving.

Preferably, the longitudinal section of the third groove is in an inverted trapezoid shape; a fourth groove is formed in the end face, close to the third groove, of the box cover; the longitudinal section of the fourth groove is trapezoidal, and the fourth groove is far away from the partition plate; the groove wall of the fourth groove is fixedly connected with a sealing layer, and the fourth groove is matched with the edge of the box body of the storage box;

the during operation, after the staff placed the material into No. three recesses, cover the case lid, No. four recesses are aimed at with the box edge of bin, sealing layer on No. four recess cell walls makes the case lid cover the back and can completely cut off No. three recesses and outside air, again because the longitudinal section shape of No. three recesses is for falling trapezoidal, the size of a recess has been reduced, the area that the bin can be influenced to furnace body high temperature has been reduced, the thermal-insulated effect of thermal-insulated piece has been strengthened, avoid the inside material of No. three recesses to receive high temperature to influence and lose effect.

A high-temperature alloy smelting method is suitable for the high-temperature alloy smelting equipment, and comprises the following steps:

s1: the alloy is firstly placed into the crucible by a worker, then the furnace cover is covered, and air in the furnace is pumped out from the exhaust hole through the air pump to form a vacuum environment; then opening the box cover, placing graphite in the storage box, closing the box cover, and sucking air from the second groove through an air pump to form a vacuum environment in the storage box;

s2: a worker starts the resistance wire through the controller, so that the resistance wire heats the crucible, and the alloy in the crucible is melted; when the temperature reaches a certain value, a worker presses one L-shaped rod downwards to extrude the spring, the blocking plate fixedly connected with the L-shaped rod moves downwards, then the worker rotates the L-shaped rod, the L-shaped rod drives the rectangular plate and the blocking plate to rotate, the first groove is leaked, after the graphite in the third groove falls into the crucible, the worker resets the L-shaped rod in the opposite direction, then the worker loosens the hand, the L-shaped rod loses the force of the worker, and only the counter-acting force of the spring is applied to the L-shaped rod to move upwards, so that the blocking plate is driven to seal the third groove;

s3: and after the smelting is finished, clamping the crucible by a worker, pouring out the metal solution from the pouring opening, and finishing the smelting of the high-temperature alloy.

The invention has the following beneficial effects:

1. according to the high-temperature alloy smelting equipment, the graphite is placed in the storage box, the storage box is wrapped by the heat insulation blocks, and then the graphite in the storage box falls into the crucible to be matched with the crucible through rotating the L-shaped rod, so that the purpose that a worker can place the graphite according to the temperature in the furnace is achieved, and further, no gas is doped in the high-temperature alloy smelting equipment in the process of adding the graphite, so that the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is improved, and the use effect is improved.

2. According to the high-temperature alloy smelting equipment, the partition plates are uniformly fixedly connected to the wall of the storage box, the storage box is equally divided into the third grooves with the same internal volume by the partition plates, the shapes of the third grooves are the same as the shapes of the barrier plates and the box cover, and the two ends of the third grooves can be plugged and matched by the barrier plates and the box cover, so that the purpose of adding materials for many times is achieved, and further, when the materials are added, the materials in other third grooves are not influenced, so that the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is further improved, and the use effect is further improved.

3. According to the high-temperature alloy smelting equipment, the rectangular plate is connected to the part, close to the circular groove, of the cavity bottom in a sliding mode, and then the rectangular plate is matched with the spring arranged between the end face, close to the heat insulation block, of the L-shaped rod and the end face, far away from the furnace body, of the rectangular plate, so that the blocking plate can tightly block the third groove under the action of the spring, the blocking effect and the heat insulation effect of the blocking plate on the third groove are further guaranteed, the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is better improved, and the using effect is also better improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of a superalloy smelting apparatus of the present invention;

FIG. 2 is a cross-sectional view of a superalloy smelting plant according to the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;

FIG. 5 is a flow chart of a smelting method of the high-temperature alloy smelting equipment according to the invention;

in the figure: 1. a furnace body; 2. a furnace cover; 3. a resistance wire; 4. a crucible; 5. an exhaust hole; 21. a first-order through groove; 22. a circular groove; 6. a storage tank; 61. a box cover; 62. a first groove; 23. a heat insulation block; 24. a cavity; 25. a blocking plate; 26. an L-shaped rod; 27. a second through groove; 63. a second groove; 65. a partition plate; 66. a groove III; 28. a rectangular plate; 29. a spring; 67. a thermal insulation layer; 41. an annular plate; 42. a third through groove; 43. pouring a spout; 68. a fourth groove; 7. a sealing layer; 8. an exhaust pipe; 9. and (6) cooling the holes.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in figures 1 to 5, the high-temperature alloy smelting equipment comprises a furnace body 1, a furnace cover 2, a resistance wire 3, a crucible 4, a cooling hole 9, an exhaust hole 5, a temperature controller and a controller; the orifice of the exhaust hole 5 is fixedly connected with an exhaust pipe 8, and the exhaust hole 5 is connected with an air pump through the exhaust pipe 8; the end surface of the furnace cover 2 far away from the furnace body 1 is provided with a first through groove 21, and the end surface of the furnace cover 2 far away from the furnace body 1 is uniformly provided with circular grooves 22; the wall of the first through groove 21 is fixedly connected with the storage box 6; a first through groove 21 extends from two ends of the storage box 6, a box cover 61 is arranged on the end surface of the storage box 6 far away from the furnace body 1, and a first groove 62 is arranged on the end surface of the storage box 6 close to the furnace body 1; the end surface of the furnace cover 2 close to the furnace body 1 is fixedly connected with a heat insulation block 23; the heat insulation block 23 wraps one end of the storage box 6 extending out of the first through groove 21, and a cavity 24 is formed in the end face, away from the furnace body 1, of the heat insulation block 23; the cross section of the cavity 24 is circular, and a blocking plate 25 is connected inside the cavity 24 in a sliding manner; the blocking plate 25 is aligned and sealed with the first groove 62; the circular groove 22 is rotatably connected with an L-shaped rod 26, and the side wall of the circular groove 22 is fixedly connected with a sealing layer 7; the L-shaped rod 26 is fixedly connected with the blocking plate 25; a second through groove 27 is formed in the end face, away from the furnace body 1, of the heat insulation block 23; the second through groove 27 is aligned with the first groove 62; the box cover 61 is provided with a second groove 63 far away from the furnace body 1; the second groove 63 penetrates through the opposite end face of the box cover 61, the wall of the second groove 63, which is far away from the furnace body 1, is fixedly connected with an exhaust pipe 8, and the second groove 63 is connected with an air pump through the exhaust pipe 8; the temperature controller can observe the temperature change in the crucible 4;

when the alloy works, deoxidation is a key step in the vacuum smelting process, and the deoxidation effect directly determines the content of harmful impurities in the alloy and determines whether the service performance and the service life of the alloy can be improved; however, when adding carbon, air is easily brought in while adding the carbon, so that oxygen in the cavity 24 is increased, and the effect of carbon deoxidation reaction is reduced;

the alloy is firstly placed into the crucible 4 by a worker, then the furnace cover 2 is covered, and air in the furnace is pumped out from the exhaust hole 5 by the air pump to form a vacuum environment; then, opening the box cover 61, placing graphite in the storage box 6, closing the box cover 61, and sucking air from the second groove 63 by the air pump, so that a vacuum environment is formed in the storage box 6; at the moment, a worker starts the resistance wire 3 through the controller, so that the resistance wire 3 heats the crucible 4, and the alloy in the crucible 4 is melted; when the temperature in the furnace body 1 is observed to rise through the temperature controller, a worker rotates the L-shaped rod 26 to enable the L-shaped rod 26 to drive the blocking plate 25 to move, the first groove 62 is leaked out, the second through groove 27 is aligned with the first groove 62, and at the moment, graphite in the storage box 6 falls into the crucible 4 to react with oxygen in the alloy solution; after the oxygen in the alloy solution completely reacts, a worker closes the resistance wire 3 through the controller, sprays inert gas into the furnace through the cooling hole 9 to reduce the temperature of the furnace body 1, and finally opens the furnace cover 2 to take out the crucible 4 and pour out the metal solution in the crucible;

according to the invention, graphite is placed in the storage tank 6, the storage tank 6 is wrapped by the heat insulation block 23, and then the graphite in the storage tank 6 falls into the crucible 4 by rotating the L-shaped rod 26 to be matched, so that the purpose that workers can place the graphite according to the temperature in the furnace is achieved, further, no gas is doped in the graphite adding process, the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is improved, and the use effect is improved.

As an embodiment of the invention, the wall of the storage box 6 is uniformly and fixedly connected with a partition plate 65; the end faces, close to each other, of the partition plates 65 are fixedly connected together, the partition plates 65 equally divide the storage box 6 into three grooves 66 with the same internal volume, and one ends of the partition plates 65 extend out of the end faces, far away from the furnace body 1, of the storage box 6; the cross section of the box cover 61 is in a sector shape; the cross section of the blocking plate 25 is fan-shaped, the shapes of the blocking plate 25 and the box cover 61 are the same as the shape of the third groove 66, and the two ends of the third groove 66 can be blocked by the blocking plate 25 and the box cover 61;

during working, a worker places graphite in the third groove 66, then can press one of the L-shaped rods 26 downwards according to temperature change, so that the blocking plate 25 fixedly connected with the L-shaped rod 26 moves downwards to be separated from the first groove 62, then the worker rotates the L-shaped rod 26 to leak the first groove 62, so that the second through groove 27 is aligned with the first groove 62, and the graphite in the third groove 66 falls into the crucible 4; when the temperature changes, the worker presses another L-shaped rod 26 again, and the operation is repeated to realize the carbon deoxidation reaction for many times; meanwhile, other metals can be placed in the third groove 66, so that the metal calcium deoxidation and other reactions are realized;

according to the invention, the partition plates 65 are uniformly and fixedly connected with the wall of the storage box 6, the storage box 6 is equally divided into the third grooves 66 with the same internal volume by the partition plates 65, the shapes of the third grooves 66 are the same as the shapes of the blocking plates 25 and the box cover 61, and the blocking plates 25 and the box cover 61 can plug and match the two ends of the third grooves 66, so that the purpose of adding materials for many times is achieved, and further, when the materials are added, the materials in the other third grooves 66 are not influenced, so that the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is further improved, and the use effect is further improved.

As an embodiment of the invention, a rectangular plate 28 is slidably connected to a portion of the cavity bottom of the cavity 24, which is close to the circular groove 22; a spring 29 is arranged between the end surface of the L-shaped rod 26 close to the heat insulation block 23 and the end surface of the rectangular plate 28 far away from the furnace body 1; one end of the spring 29 is fixedly connected with the end face, close to the heat insulation block 23, of the L-shaped rod 26, and the other end of the spring is fixedly connected with the rectangular plate 28; the end surface of the barrier plate 25 close to the furnace body 1 is fixedly connected with a heat insulation layer 67; the spring 29 is made of high-temperature resistant material;

when the crucible pot works, a worker presses one of the L-shaped rods 26 downwards to extrude the spring 29, the blocking plate 25 fixedly connected with the L-shaped rod 26 moves downwards, then the worker rotates the L-shaped rod 26, the L-shaped rod 26 drives the rectangular plate 28 and the blocking plate 25 to rotate, the first groove 62 is leaked, after the graphite in the third groove 66 falls into the crucible pot 4, the worker resets the L-shaped rod 26 in the opposite direction, then loosens hands, the L-shaped rod 26 loses the force of the worker, and only the counterforce of the spring 29 is applied to the L-shaped rod 26 to move upwards, so that the blocking plate 25 is driven to seal the third groove 66; the material of the spring 29 is preferably Inconel;

according to the invention, the rectangular plate 28 is connected to the part of the cavity bottom of the cavity 24 close to the circular groove 22 in a sliding manner, and then the rectangular plate is matched with the spring 29 arranged between the end face of the L-shaped rod 26 close to the heat insulation block 23 and the end face of the rectangular plate 28 far away from the furnace body 1, so that the third groove 66 is tightly blocked by the blocking plate 25 under the action of the spring 29, the blocking and heat insulation effects of the blocking plate 25 on the third groove 66 are further ensured, the carbon deoxidation reaction effect of the high-temperature alloy smelting equipment is better improved, and the use effect is also better improved.

As an embodiment of the invention, the end surface of the crucible 4 close to the furnace cover 2 is fixedly connected with an annular plate 41; a third through groove 42 is formed in the end face, away from the crucible 4, of the annular plate 41; the end surface of the crucible 4 close to the furnace cover 2 is fixedly connected with a pouring opening 43; the pouring opening 43 is communicated with the third through groove 42;

during operation, a recess 62 spills for No. two logical grooves 27 aim at with a recess 62, then the inside graphite of No. three recess 66 falls into crucible 4, annular plate 41 can prevent that metallic solution from flying out crucible 4 after receiving the free fall of material, make metallic solution remain inside crucible 4 all the time, wait to need with metallic solution to go out crucible 4 when, the staff carries out the centre gripping to crucible 4, then pour metallic solution from pouring opening 43, avoid metallic solution to be blocked by annular plate 41 and can't pour out, the result of use that has improved superalloy smelting equipment obtains improving.

As an embodiment of the present invention, the longitudinal cross-sectional shape of the groove number three 66 is an inverted trapezoid; a fourth groove 68 is formed in the end face, close to the third groove 66, of the box cover 61; the longitudinal section of the fourth groove 68 is trapezoidal, and the fourth groove 68 is far away from the partition plate 65; the groove wall of the fourth groove 68 is fixedly connected with the sealing layer 7, and the fourth groove 68 is matched with the edge of the box body of the storage box 6;

during operation, the staff places the material into No. three recess 66 after, cover case lid 61, No. four recess 68 and bin 6's box edge are aimed at, sealing layer 7 on No. four recess 68 cell walls makes can completely cut off No. three recess 66 with the outside air after the case lid 61 covers, again because No. three recess 66's longitudinal section shape is for falling trapezoidal, the size of a recess 62 has been reduced, 1 high temperature of furnace body has been reduced and bin 6's area can be influenced, the thermal-insulated effect of thermoblock 23 has been strengthened, avoid No. three recess 66 inside material to receive high temperature to influence and lose effect.

A high-temperature alloy smelting method is suitable for the high-temperature alloy smelting equipment, and comprises the following steps:

s1: the alloy is firstly placed into the crucible 4 by a worker, then the furnace cover 2 is covered, and air in the furnace is pumped out from the exhaust hole 5 by the air pump to form a vacuum environment; then, opening the box cover 61, placing graphite in the storage box 6, closing the box cover 61, and sucking air from the second groove 63 through an air pump to form a vacuum environment in the storage box 6;

s2: a worker starts the resistance wire 3 through the controller, so that the resistance wire 3 heats the crucible 4, and the alloy in the crucible 4 is melted; when the temperature reaches a certain value, a worker presses one of the L-shaped rods 26 downwards to extrude the spring 29, the blocking plate 25 fixedly connected with the L-shaped rod 26 moves downwards, then the worker rotates the L-shaped rod 26 again, the L-shaped rod 26 drives the rectangular plate 28 and the blocking plate 25 to rotate, the first groove 62 leaks out, after the graphite in the third groove 66 falls into the crucible 4, the worker resets the L-shaped rod 26 in the opposite direction, then loosens the L-shaped rod 26 by hand, the L-shaped rod 26 loses the force of the worker, and only the counter force of the spring 29 is received, so that the L-shaped rod 26 moves upwards to drive the blocking plate 25 to seal the third groove 66;

s3: after the smelting is completed, the worker clamps the crucible 4, and then pours out the metal solution from the pouring port 43, so that the high-temperature alloy smelting is completed.

The specific working process is as follows:

the alloy is firstly placed into the crucible 4 by a worker, then the furnace cover 2 is covered, and air in the furnace is pumped out from the exhaust hole 5 by the air pump to form a vacuum environment; then, opening the box cover 61, placing graphite in the storage box 6, closing the box cover 61, and sucking air from the second groove 63 by the air pump, so that a vacuum environment is formed in the storage box 6; at the moment, a worker starts the resistance wire 3 through the controller, so that the resistance wire 3 heats the crucible 4, and the alloy in the crucible 4 is melted; after the temperature in the furnace body 1 rises, a worker rotates the L-shaped rod 26 to enable the L-shaped rod 26 to drive the blocking plate 25 to move, the first groove 62 is leaked out, the second through groove 27 is aligned with the first groove 62, and at the moment, graphite in the storage box 6 falls into the crucible 4 to react with oxygen in the alloy solution; after the oxygen in the alloy solution completely reacts, a worker closes the resistance wire 3 through the controller, sprays inert gas into the furnace through the cooling hole 9 to reduce the temperature of the furnace body 1, and finally opens the furnace cover 2 to take out the crucible 4 and pour out the metal solution in the crucible; a worker places graphite in the third groove 66, then can press one of the L-shaped rods 26 downwards according to temperature change, so that the blocking plate 25 fixedly connected with the L-shaped rod 26 moves downwards to be separated from the first groove 62, then the worker rotates the L-shaped rod 26 to leak the first groove 62, so that the second through groove 27 is aligned with the first groove 62, and the graphite in the third groove 66 falls into the crucible 4; when the temperature changes, the worker presses another L-shaped rod 26 again, and the operation is repeated to realize the carbon deoxidation reaction for many times; meanwhile, other metals can be placed in the third groove 66, so that the metal calcium deoxidation and other reactions are realized; a worker presses one of the L-shaped rods 26 downwards to extrude the spring 29, the blocking plate 25 fixedly connected with the L-shaped rod 26 moves downwards, then the worker rotates the L-shaped rod 26, the L-shaped rod 26 drives the rectangular plate 28 and the blocking plate 25 to rotate, the first groove 62 is leaked, after the graphite in the third groove 66 falls into the crucible 4, the worker resets the L-shaped rod 26 in the opposite direction, then the worker looses his hands, the L-shaped rod 26 loses the force of the worker, and only the counterforce of the spring 29 is exerted on the L-shaped rod 26, so that the L-shaped rod 26 moves upwards to drive the blocking plate 25 to seal the third groove 66; the material of the spring 29 is preferably Inconel; the first groove 62 is leaked out, so that the second through groove 27 is aligned with the first groove 62, then the graphite in the third groove 66 falls into the crucible 4, the annular plate 41 can prevent the metal solution from splashing out of the crucible 4 after the metal solution is subjected to free falling of materials, so that the metal solution is always kept in the crucible 4, when the metal solution needs to be discharged out of the crucible 4, a worker clamps the crucible 4, then the metal solution is poured out of the pouring opening 43, and the situation that the metal solution is blocked by the annular plate 41 and cannot be poured out is avoided; after the staff placed the material into No. three recess 66, cover case lid 61, No. four recess 68 and bin 6's box edge is aimed at, sealing layer 7 on No. four recess 68 cell walls makes case lid 61 cover the back and can completely cut off No. three recess 66 with the outside air, again because No. three recess 66's longitudinal section shape is for falling trapezoidal, the size of a recess 62 has been reduced, 1 high temperature of furnace body has been reduced and bin 6's area can be influenced, the thermal-insulated effect of thermoblock 23 has been strengthened, avoid No. three inside material of recess 66 to receive the high temperature influence and lose effect.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.