An improved high-temperature alloy based on GH4169 and a preparation method thereof

Abstract

The present invention provides an improved high-temperature alloy based on GH4169 and a preparation method thereof, which relates to the technical field of alloy preparation, including: a base, a support base is fixedly installed on the top left side of the base; a vacuum induction furnace is fixedly installed on the support base; a sealing cover is arranged on the top of the vacuum induction furnace; an opening and closing cylinder is fixedly installed on the left side of the vacuum induction furnace; the output end of the opening and closing cylinder is connected to the sealing cover; a transmission pressure plate is fixedly installed on the right side of the sealing cover. The opening of the sealing cover triggers the connection release mechanism, which provides convenient disassembly and maintenance for the vacuum pump body, improves the maintenance efficiency and operation convenience of the equipment, and solves the problem that when the vacuum pump is disassembled, the technicians not only need to separate the vacuum pump from the main body of the smelting equipment, but also need to deal with the disconnection between the vacuum pump and the pipeline at the same time. This series of cumbersome steps undoubtedly greatly slows down the overall maintenance progress of the smelting equipment.

Description

Technical Field

[0001] The invention relates to the technical field of alloy preparation, and in particular to an improved high-temperature alloy based on GH4169 and a preparation method thereof. Background Art

[0002] With the rapid development of modern industrial technology, more stringent requirements are placed on material properties. Under some working conditions of extreme high temperature, complex stress and strong corrosion environment, the existing performance of GH4169 alloy is gradually unable to meet the demand. Therefore, it is urgent to develop a new alloy that inherits the advantages of GH4169, optimizes key performance and takes into account cost control. At present, smelting is an important process in the preparation of alloys.

[0003] During the use of the smelting equipment used in the existing high-temperature alloy preparation process, the vacuum pump in the smelting equipment needs to be regularly disassembled and maintained to extend the service life of the vacuum pump. However, since the vacuum pump is not only firmly installed at a specific position of the smelting equipment, but also forms a stable connection with the pipeline system, when disassembling the vacuum pump, the technician not only needs to separate the vacuum pump from the main body of the smelting equipment, but also needs to disconnect the connection between the vacuum pump and the pipeline at the same time. This series of cumbersome steps undoubtedly greatly slows down the overall maintenance progress of the smelting equipment and reduces the maintenance efficiency.

[0004] The disclosed embodiment relates to a high-temperature alloy based on GH4169 and a preparation method thereof. Through structural improvements, the smelting equipment can automatically eliminate the limit between the connecting tube body and the telescopic tube body when the sealing cover body is opened, and can also withdraw the reinforcing plug rod from the reinforcing perforation, so that the vacuum pump body and the installation plug column lack rigid fixation. In summary, opening the sealing cover body indicates that the vacuum pump body is in an idle state, and opening the sealing cover body can cancel the connection limit of the vacuum pump body, thereby facilitating the disassembly and maintenance of the vacuum pump body.

[0005] In a first aspect, the present disclosure provides a high-temperature alloy improved based on GH4169 and a preparation method thereof, specifically comprising: the high-temperature alloy improved based on GH4169 comprises: nickel, chromium, iron, niobium, molybdenum, aluminum, titanium, cobalt, boron, and yttrium; Nickel accounts for 50-53%; Chromium accounts for 18-20%; Niobium accounts for 4.5-5.5%; Molybdenum accounts for 2.8-3.5%; Aluminum accounts for 0.3–0.5%; Titanium accounts for 0.6-0.9%; Cobalt accounts for 2-3%; Boron accounts for 0.005-0.01%; Yttrium accounts for 0.05-0.1%; and the balance is iron.

[0006] At least some embodiments include a smelting process, in which well-proportioned raw materials are added into a smelting device in proportion, and then the raw materials are fully melted by heating the smelting device to 1500 to 1550 degrees, refined for 20 to 30 minutes to remove impurities, cast into electrode rods, and then the electrode rods are used for vacuum consumable remelting, with a remelting current of 8000 to 10000A and a voltage of 25 to 35V to ensure that the melt is uniform and pure and the ingot is formed.

[0007] At least some embodiments further include a forging process, heating the ingot to 1000 to 1050 degrees, keeping it warm for 2 to 3 hours, with the initial forging temperature not lower than 980 degrees, the final forging temperature not lower than 900 degrees, the forging ratio being controlled at 4 to 6, and improving the density and uniformity of the structure through multiple forging passes.

[0008] At least some embodiments further include a heat treatment process, first performing a solution treatment at 990 to 1010 degrees for 1 to 2 hours, followed by oil cooling, and then an aging treatment at 710 to 73 degrees for 8 to 12 hours, and finally air cooling.

[0009] In at least some embodiments, a base is provided with a support base fixedly installed on the top left side of the base; a vacuum induction furnace is fixedly installed on the support base; a sealing cover is provided on the top of the vacuum induction furnace; an opening and closing cylinder is fixedly installed on the left side of the vacuum induction furnace; the output end of the opening and closing cylinder is connected to the sealing cover; a transmission pressure plate is fixedly installed on the right side of the sealing cover; a transmission push column is fixedly installed on the bottom right side of the transmission pressure plate; a connecting pipe is fixedly installed on the right side of the vacuum induction furnace.

[0010] In at least some embodiments, a valve body is fixedly installed on the right side of the connecting pipe body; a connecting elbow is fixedly installed on the right side of the valve body; a telescopic tube body is fixedly installed on the bottom end of the connecting elbow; a mounting column is fixedly installed on the top right side of the base; and a reinforcement through hole is opened on the mounting column.

[0011] In at least some embodiments, a vacuum pump body is inserted on the mounting plug; a docking tube body is fixedly mounted on the top of the vacuum pump body; the top of the docking tube body is in contact with the bottom end of the telescopic tube body; a transmission member is slidably mounted on the outer wall of the vacuum pump body; and a driven plate body is fixedly mounted on the left side of the transmission member.

[0012] In at least some embodiments, a driven groove is provided on the left side wall of the driven plate body; the driven groove consists of a vertical groove and an oblique groove, and the top of the vertical groove passes through the top of the driven plate body; a limiting member is fixedly installed at the center position of the inner side of the driven plate body; a limiting groove is provided on the inner side of the limiting member; and an embedded plate is fixedly installed on the outer wall of the transmission member.

[0013] In at least some embodiments, a restoring spring is embedded between the front and rear adjacent embedded plates; a reinforced push plate is fixedly installed on the outer side of the transmission member; a reinforced plug rod is fixedly installed on the inner bottom end of the reinforced push plate; when the transmission pressure plate moves downward, the transmission push column will slide from the vertical groove part of the driven groove into the inclined groove part.

[0014] In at least some embodiments, after the transmission push column slides into the inclined groove portion of the driven groove, it will utilize the inclined structure of the inclined groove to move the driven plate body inward; when the driven plate body moves inward, the limit groove on the limit member will be stuck in the flange docking portion between the telescopic tube body and the docking tube body; when the driven plate body moves inward, the reinforcement rod will also be inserted into the interior of the reinforcement perforation.

[0015] The present invention provides an improved high-temperature alloy based on GH4169 and a preparation method thereof, which has the following beneficial effects: 1. The 650-degree / 1000-hour endurance strength test of the present invention shows that the endurance strength of the alloy of the present invention is improved by 15-20% compared with GH4169, and the tensile strength is about 10% higher than that of GH4169 at 700 degrees, which effectively meets the load-bearing requirements of ultra-high temperature components.

[0016] 2. The oxidation weight gain rate of the present invention is reduced by 30-40% compared with GH4169 after oxidizing in an air environment at 900 degrees for 200 hours, and the corrosion depth is reduced by 25-35% in the sulfur-containing gas hot corrosion test, which greatly extends the high-temperature service life of the components.

[0017] 3. The present invention reduces the raw material cost by 10-15% compared with GH4169 by reasonably reducing nickel and optimizing elements, thereby improving the alloy performance while reducing the cost, which is conducive to large-scale promotion and application.

[0018] 4. By improving the structure of the smelting equipment, when the sealing cover of the smelting equipment is opened, the limit constraint between the docking tube body and the telescopic tube body can be automatically released, and the reinforcement rod can be withdrawn from the reinforcement perforation at the same time, thereby releasing the rigid connection between the vacuum pump body, the telescopic tube body and the mounting plug column. In short, the opening of the sealing cover triggers the connection release mechanism, which provides convenient disassembly and maintenance for the vacuum pump body, greatly improving the maintenance efficiency and operating convenience of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture: Figure 1 The schematic diagram of the smelting equipment structure of the present application is shown; Figure 2 This application shows Figure 1 A front view structural diagram of Figure 3 The schematic diagram of the structure of the smelting equipment in the present application in a split state is shown; Figure 4 This application shows Figure 3 The enlarged structural diagram of part A in the middle; Figure 5 The schematic diagram of the sealing cover and the transmission member structure of the present application is shown; Figure 6 A schematic diagram of the structure of the transmission member and the driven plate of the present application is shown; Figure 7 The schematic diagram of the structure of the vacuum pump body and the transmission parts of the present application is shown; Figure 8 The schematic diagram of the structure of the vacuum pump body and the transmission parts of the present application in the disassembled state is shown; Fig. 9 A schematic diagram of the composition ratio of the first embodiment of the present application is shown; Fig.10 A schematic diagram of the composition ratio of the second embodiment of the present application is shown; Fig.11 A schematic diagram of the composition ratio of the third embodiment of the present application is shown; Reference numerals list 1. Base; 2. Support seat; 3. Vacuum induction furnace; 4. Sealing cover body; 5. Opening and closing cylinder body; 6. Transmission pressure plate; 7. Transmission push column; 8. Connecting pipe body; 9. Valve body; 10. Connecting elbow pipe; 11. Telescopic pipe body; 12. Mounting plug column; 13. Reinforcement perforation; 14. Vacuum pump body; 15. Butt joint body; 16. Transmission parts; 17. Follower plate body; 18. Follower groove; 19. Limiting parts; 20. Limiting groove; 21. Embedded plate body; 22. Restoring spring; 23. Reinforcement push plate; 24. Reinforcement plug rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Please refer to Figures 1 to 11 : Example

[0024] The present invention proposes a high-temperature alloy improved based on GH4169 and a preparation method thereof, comprising: the high-temperature alloy improved based on GH4169 comprises: nickel, chromium, iron, niobium, molybdenum, aluminum, titanium, cobalt, boron, and yttrium; Nickel accounts for 50-53%; Chromium accounts for 18-20%; Niobium accounts for 4.5-5.5%; Molybdenum accounts for 2.8-3.5%; Aluminum accounts for 0.3–0.5%; Titanium accounts for 0.6-0.9%; Cobalt accounts for 2-3%; Boron accounts for 0.005-0.01%; Yttrium accounts for 0.05-0.1%; and the balance is iron.

[0025] Compared with GH4169, the composition ratio of this high-temperature alloy moderately reduces the nickel content within an acceptable range to reduce costs, accurately adjusts the proportions of chromium, niobium and molybdenum to ensure the stability of the strengthening phase and high-temperature strength, adds an appropriate amount of cobalt element, and utilizes its solid solution strengthening and high-temperature stability to improve the overall performance. Trace amounts of boron and yttrium are introduced. Boron is concentrated at the grain boundaries to strengthen the grain boundary bonding force, and yttrium improves the density of the oxide film and greatly enhances the oxidation resistance and thermal corrosion resistance.

[0026] Example 2: According to the above composition range, the intermediate value ingredients are selected, and after smelting, forging and heat treatment, a turbine disk simulation is made, the endurance strength at 650 degrees is 750MPa, the tensile strength at 700 degrees is 1100MPa, and the weight increase is 0.8mg / cm² after oxidation at 900 degrees for 200 hours. The performance is far superior to the similar simulation parts of GH4169; Example 3: Fine-tune the composition to be close to the lower limit, repeat the process, and use it for gas turbine blade test pieces. The 650-degree endurance strength is 720 MPa, and the thermal corrosion resistance is excellent. The cost is 12% lower than that of GH4169, verifying the flexibility of the composition and the stability of the performance.

[0027] The method includes a smelting process, in which the raw materials with good proportion are added into the smelting equipment in proportion, and then the smelting equipment is heated to 1500 to 1550 degrees to fully melt the raw materials, refined for 20 to 30 minutes to remove impurities, and cast into electrode rods, and then the electrode rods are used for vacuum consumable remelting, with a remelting current of 8000 to 10000A and a voltage of 25 to 35V to ensure that the melt is uniform and pure and the ingot is formed; it also includes a forging process, in which the ingot is heated to 1000 to 1050 degrees, kept warm for 2 to 3 hours, the initial forging temperature is not lower than 980 degrees, the final forging temperature is not lower than 900 degrees, the forging ratio is controlled at 4 to 6, and the density and uniformity of the organization are improved through multiple forging; it also includes a heat treatment process, firstly a solid solution treatment at 990 to 1010 degrees for 1 to 2 hours, followed by oil cooling, and then an aging treatment at 710 to 73 degrees for 8 to 12 hours, and finally air cooling.

[0028] When the vacuum pump body 14 is not in use and needs to be disassembled for maintenance, the opening and closing cylinder body 5 is started to move it upward with the sealing cover body 4. During the movement, the transmission push column 7 on the sealing cover body 4 will disengage from the inside of the driven groove 18. At this time, the driven plate body 17 will move outward with the transmission member 16 under the action of the return spring 22, so that the transmission member 16 moves outward with the limiting member 19 and the reinforcement push plate 23, so that the flange structure of the telescopic tube body 11 and the butt tube body 15 is not limited by the limiting groove 20, and the reinforcement rod 24 will also withdraw from the inside of the reinforcement through hole 13, thereby disconnecting the rigid connection between the vacuum pump body 14 and the pipeline system, and canceling the rigid connection between the vacuum pump body 14 and the base 1.

[0029] Among them, the base 1, the support base 2 is fixedly installed on the left side of the top of the base 1; the vacuum induction furnace 3 is fixedly installed on the support base 2; the top of the vacuum induction furnace 3 is provided with a sealing cover 4; the left side of the vacuum induction furnace 3 is fixedly installed with an opening and closing cylinder 5; the output end of the opening and closing cylinder 5 is connected to the sealing cover 4; the right side of the sealing cover 4 is fixedly installed with a transmission pressure plate 6; the bottom right side of the transmission pressure plate 6 is fixedly installed with a transmission push column 7; the right side of the vacuum induction furnace 3 is fixedly installed with a connecting pipe 8; the right side of the connecting pipe 8 is fixedly installed with a valve body 9 ; A connecting elbow 10 is fixedly installed on the right side of the valve body 9; a telescopic tube body 11 is fixedly installed on the bottom end of the connecting elbow 10; a mounting column 12 is fixedly installed on the top right side of the base 1; a reinforcement through hole 13 is opened on the mounting column 12; a vacuum pump body 14 is inserted on the mounting column 12; a butt joint body 15 is fixedly installed on the top of the vacuum pump body 14; the top of the butt joint body 15 contacts the bottom end of the telescopic tube body 11; a transmission member 16 is slidably installed on the outer wall of the vacuum pump body 14; a driven plate body 1 is fixedly installed on the left side of the transmission member 16 7; A driven groove 18 is provided on the left side wall of the driven plate body 17; the driven groove 18 consists of a vertical groove and an oblique groove, and the top of the vertical groove passes through the top of the driven plate body 17; a limit member 19 is fixedly installed at the center of the inner side of the driven plate body 17; a limit groove 20 is provided on the inner side of the limit member 19; an embedded plate 21 is fixedly installed on the outer wall of the transmission member 16; a restoring spring 22 is embedded between the front and rear adjacent embedded plates 21; a reinforcement push plate 23 is fixedly installed on the outer side of the transmission member 16; the inner bottom end of the reinforcement push plate 23 is fixedly installed A reinforcing rod 24 is fixedly installed; when the transmission pressure plate 6 moves downward, the transmission push column 7 will slide from the vertical groove part of the driven groove 18 into the inclined groove part; after the transmission push column 7 slides into the inclined groove part of the driven groove 18, it will use the inclined structure of the inclined groove to move the driven plate body 17 inward; when the driven plate body 17 moves inward, the limiting groove 20 on the limiting member 19 will be stuck in the flange docking part of the telescopic tube body 11 and the butt tube body 15; when the driven plate body 17 moves inward, the reinforcing rod 24 will also be inserted into the inside of the reinforcing through hole 13.

[0030] When the vacuum pump body 14 needs to be installed, the vacuum pump body 14 is manually installed on the installation plug 12 first, and then the telescopic tube body 11 is docked with the flange structure of the butt joint body 15, and then the opening and closing cylinder body 5 is started to descend with the sealing cover body 4 and the transmission pressure plate 6, so that the transmission pressure plate 6 uses the transmission push column 7 to slide into the inclined groove of the driven plate body 17 during the descent process, so that the transmission push column 7 uses the inclined groove to move the driven plate body 17 and the transmission member 16 inward, so that the transmission member 16 moves inward with the limit member 19 and the reinforcement push plate 23, so that the limit member 19 moves inward to clamp the flange structure of the telescopic tube body 11 and the butt joint body 15 into the limit groove 20, and at the same time, the reinforcement push plate 23 will also drive the reinforcement rod 24 to pass through the base of the vacuum pump body 14 and insert it into the interior of the reinforcement through-hole 13, and at the same time complete the positioning of the vacuum pump body 14 itself and the connection with the pipeline system.

[0031] Instructions for use: When the vacuum pump body 14 is not in use and needs to be disassembled for maintenance, the opening and closing cylinder body 5 is started to move the sealing cover body 4 upward. During the movement, the transmission push column 7 on the sealing cover body 4 will be disengaged from the inside of the driven groove 18. At this time, the driven plate body 17 will move outward with the transmission member 16 under the action of the return spring 22, so that the transmission member 16 moves outward with the limiting member 19 and the reinforcement push plate 23, so that the flange structure of the telescopic tube body 11 and the butt joint body 15 is not limited by the limiting groove 20, and the reinforcement plug rod 24 will also withdraw from the inside of the reinforcement perforation 13, so that the rigid connection between the vacuum pump body 14 and the pipeline system is disconnected, and the rigid connection between the vacuum pump body 14 and the base 1 is also cancelled, so that the vacuum pump body 14 can be disassembled and maintained conveniently. At this time, the vacuum pump body 14 is manually installed on the installation plug 12 first, and then the telescopic tube body 11 is docked with the flange structure of the butt joint body 15, and then the opening and closing cylinder body 5 is started to descend with the sealing cover body 4 and the transmission pressure plate 6, so that the transmission pressure plate 6 uses the transmission push column 7 to slide into the inclined groove of the driven plate body 17 during the descent process, so that the transmission push column 7 uses the inclined groove to move the driven plate body 17 and the transmission member 16 inward, and the transmission member 16 moves inward with the limit member 19 and the reinforcement push plate 23, so that the limit member 19 moves inward to clamp the flange structure of the telescopic tube body 11 and the butt joint body 15 into the limit groove 20, and at the same time, the reinforcement push plate 23 will also drive the reinforcement rod 24 to pass through the base of the vacuum pump body 14 and insert it into the interior of the reinforcement through-hole 13, and at the same time complete the positioning of the vacuum pump body 14 itself and the connection with the pipeline system.

[0032] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0033] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0034] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A high temperature alloy improved based on GH4169, characterized in that: include: The improved high-temperature alloy composition based on GH4169 includes: nickel, chromium, iron, niobium, molybdenum, aluminum, titanium, cobalt, boron, and yttrium; Nickel accounts for 50-53%; Chromium accounts for 18-20%; Niobium accounts for 4.5-5.5%; Molybdenum accounts for 2.8-3.5%; Aluminum accounts for 0.3–0.5%; Titanium accounts for 0.6-0.9%; Cobalt accounts for 2-3%; Boron accounts for 0.005-0.01%; Yttrium accounts for 0.05-0.1%; and the balance is iron.

2. The method for preparing the improved high temperature alloy based on GH4169 according to claim 1, characterized in that: The process includes a smelting process, in which the raw materials are added into the smelting equipment in proportion, and then the temperature of the smelting equipment is raised to 1500 to 1550 degrees to fully melt the raw materials, which are then refined for 20 to 30 minutes to remove impurities and cast into electrode rods. The electrode rods are then used for vacuum consumable remelting with a remelting current of 8000 to 10000A and a voltage of 25 to 35V to ensure that the melt is uniform and pure and the ingot is formed.

3. The method for preparing the improved high temperature alloy based on GH4169 according to claim 2, characterized in that: It also includes a forging process, heating the ingot to 1000 to 1050 degrees, keeping it warm for 2 to 3 hours, the initial forging temperature is not lower than 980 degrees, the final forging temperature is not lower than 900 degrees, the forging ratio is controlled at 4 to 6, and multiple forging passes are performed to improve the density and uniformity of the structure.

4. The method for preparing the improved high temperature alloy based on GH4169 according to claim 3 is characterized in that: It also includes a heat treatment process, first a solution treatment at 990 to 1010 degrees for 1 to 2 hours, followed by oil cooling, and then an aging treatment at 710 to 73 degrees for 8 to 12 hours, and finally air cooling.

5. A high-temperature alloy melting equipment based on GH4169 improvement, comprising: A base (1), wherein a support base (2) is fixedly mounted on the left side of the top of the base (1); a vacuum induction furnace (3) is fixedly mounted on the support base (2); a sealing cover (4) is arranged on the top of the vacuum induction furnace (3); an opening and closing cylinder (5) is fixedly mounted on the left side of the vacuum induction furnace (3); an output end of the opening and closing cylinder (5) is connected to the sealing cover (4); a transmission pressure plate (6) is fixedly mounted on the right side of the sealing cover (4); a transmission push column (7) is fixedly mounted on the right side of the bottom of the transmission pressure plate (6); and a connecting pipe (8) is fixedly mounted on the right side of the vacuum induction furnace (3).

6. The high-temperature alloy smelting equipment improved based on GH4169 according to claim 5, characterized in that: A valve body (9) is fixedly mounted on the right side of the connecting pipe body (8); a connecting elbow (10) is fixedly mounted on the right side of the valve body (9); a telescopic pipe body (11) is fixedly mounted on the bottom end of the connecting elbow (10); a mounting post (12) is fixedly mounted on the right side of the top of the base (1); and a reinforcement through hole (13) is provided on the mounting post (12).

7. The high-temperature alloy smelting equipment based on GH4169 improvement according to claim 6 is characterized in that: A vacuum pump body (14) is inserted on the installation plug column (12); a butt joint body (15) is fixedly installed on the top of the vacuum pump body (14); the top end of the butt joint body (15) contacts the bottom end of the telescopic tube body (11); a transmission member (16) is slidably installed on the outer wall of the vacuum pump body (14); and a driven plate body (17) is fixedly installed on the left side of the transmission member (16).

8. The high-temperature alloy smelting equipment based on GH4169 improvement according to claim 7 is characterized in that: A driven groove (18) is provided on the left side wall of the driven plate body (17); the driven groove (18) consists of a vertical groove and an inclined groove, and the top of the vertical groove passes through the top of the driven plate body (17); a limiting member (19) is fixedly installed at a central position on the inner side of the driven plate body (17); a limiting groove (20) is provided on the inner side of the limiting member (19); and an embedded plate body (21) is fixedly installed on the outer wall of the transmission member (16).

9. The high-temperature alloy smelting equipment based on GH4169 improvement according to claim 8 is characterized in that: A restoring spring (22) is embedded between the front and rear adjacent embedded plates (21); a reinforcing push plate (23) is fixedly installed on the outer side of the transmission member (16); a reinforcing insert rod (24) is fixedly installed on the inner bottom end of the reinforcing push plate (23); when the transmission pressure plate (6) moves downward, the transmission push column (7) slides from the vertical groove portion of the driven groove (18) into the inclined groove portion.

10. The high-temperature alloy smelting equipment improved based on GH4169 according to claim 9, characterized in that: After the transmission push column (7) slides into the inclined groove portion of the driven groove (18), it will use the inclined structure of the inclined groove to move the driven plate body (17) inwardly; when the driven plate body (17) moves inwardly, the limit groove (20) on the limit member (19) will be stuck in the flange connection portion between the telescopic tube body (11) and the butt tube body (15); when the driven plate body (17) moves inwardly, the reinforcement plug rod (24) will also be inserted into the interior of the reinforcement through hole (13).

Images