Rapid slag quenching device and control method

Abstract

The invention discloses a rapid slag quenching device and a control method, and belongs to the technical field of slag quenching treatment. The device comprises an equipment frame, a furnace body shell is fixedly mounted at the top of the equipment frame, and a graphite crucible is arranged in the furnace body shell; a crucible base is arranged at the bottom of the graphite crucible, and a mechanical transmission system is arranged at the bottom of the crucible base; the mechanical transmission system comprises a hollow rotating platform, a connecting arm and a lifting mechanism; a quenching water tank is arranged at the bottom of the equipment frame; the lifting mechanism and the hollow rotating platform drive the graphite crucible to vertically move to the position above the quenching water tank through the connecting arm, the rapid rotating deslagging action is achieved, and the slag quenching operation is completed. By optimizing the lifting module and the heating and cooling module, the slag quenching operation can be efficiently and safely completed under the condition of minimum heat loss, the operation efficiency is improved and the safety risk of experimenters is reduced in combination with automatic control, and finally a reliable sample is provided for subsequent slag structure analysis.

Description

Technical Field

[0001] The present invention relates to the technical field of slag quenching treatment, and more particularly to a slag rapid quenching device and a control method. Background Art

[0002] Traditional slag quenching treatments often rely on manual pouring, which can lead to significant heat loss, uncontrollable cooling rates, and potentially hazardous conditions at high temperatures. This inability to accurately reflect the structural properties of the slag at the target temperature is a major challenge. While attempts have been made to improve existing equipment and operating methods, they still suffer from low automation, insufficient cooling efficiency, and significant safety risks. Therefore, a device integrating heating, rapid cooling, and automated control is urgently needed to address these issues. Summary of the Invention

[0003] 1. Technical problem to be solved by the invention

[0004] In response to the defects and shortcomings of the existing technology, the present invention provides a slag rapid quenching device and control method. The present invention reduces heat loss by optimizing the lifting module, heating and cooling modules, achieves precise temperature control and rapid slag quenching, and can complete the slag quenching operation efficiently, safely and with minimal heat loss. Combined with automated control, it improves operational efficiency and reduces safety risks for experimenters, ultimately providing reliable samples for subsequent slag structure analysis.

[0005] 2. Technical solution

[0006] In order to achieve the above object, the technical solution provided by the present invention is:

[0007] A slag rapid quenching device of the present invention comprises an equipment frame, a furnace shell is fixedly mounted on the top of the equipment frame, and a graphite crucible is arranged inside the furnace shell;

[0008] The bottom of the graphite crucible is provided with a crucible base, the bottom of the crucible base is provided with a metal base, and the surface of the metal base is connected to a mechanical transmission system;

[0009] The mechanical transmission system includes a hollow rotating platform, a servo motor, a connecting arm, a lifting mechanism and a lifting mechanism motor. One end of the connecting arm is fixed to the metal base, and the other end of the connecting arm is fixed to the hollow rotating platform by bolts.

[0010] One side of the hollow rotating platform is connected to a lifting mechanism, and the metal base is linked to the lifting mechanism through the hollow rotating platform;

[0011] The input end of the hollow rotating platform is connected to a servo motor, which drives the hollow rotating platform to achieve 360° rotation of the graphite crucible;

[0012] The input end of the lifting mechanism is connected to a lifting mechanism motor, and the lifting mechanism motor drives the lifting mechanism to move the graphite crucible in a vertical direction;

[0013] A quenching system is provided at the bottom of the equipment frame, which includes a quenching water tank; the lifting mechanism and the hollow rotating platform drive the graphite crucible to move vertically to above the quenching water tank through the connecting arm, and realize a rapid rotation and slag pouring action to complete the slag quenching operation.

[0014] Furthermore, the interior of the connecting arm is a hollow structure.

[0015] Furthermore, a furnace cover is installed on the top of the furnace body shell, and a furnace cover cooling water inlet interface and a furnace cover cooling water outlet interface are provided on the furnace cover. A furnace bottom is provided at the bottom of the furnace body shell, and a furnace bottom cooling water inlet interface and a furnace bottom cooling water outlet interface are provided on the surface of the furnace bottom. The furnace bottom and the metal base are separable, and a metal base cooling water inlet interface and a metal base cooling water outlet interface are provided on the surface of the metal base, and a metal base air inlet is provided at the bottom of the metal base.

[0016] Furthermore, the furnace cover cooling water inlet interface and furnace cover cooling water outlet interface, furnace bottom cooling water inlet interface and furnace bottom cooling water outlet interface, metal base cooling water inlet interface, and metal base cooling water outlet interface are respectively connected to the external circulation cooling system through independent pipelines to form a circulation cooling channel.

[0017] Furthermore, a heating and heat preservation system is provided inside the furnace shell;

[0018] The heating and insulation system includes silicon-molybdenum rods, a graphite crucible, a corundum tube, and a mullite furnace lining; the interior of the furnace body shell is paved with a mullite furnace lining, a corundum tube is arranged at the center of the mullite furnace lining, silicon-molybdenum rods are arranged at intervals on the outer circle of the corundum tube, and a graphite crucible is placed in the corundum tube.

[0019] Furthermore, a graphite furnace cover is provided on the top of the corundum tube, and an openable vent is provided on the surface of the graphite furnace cover; the corundum tube is made of alumina, and the silicon-molybdenum rods are arranged in a circular array outside the corundum tube.

[0020] Furthermore, a constant temperature zone is provided in the middle of the corundum tube, the constant temperature zone is 50 mm wide, and the graphite crucible is placed in the constant temperature zone.

[0021] Furthermore, the movement stroke of the lifting mechanism motor is controlled by preset parameters of the control cabinet, the control cabinet is electrically connected to the touch screen, and the control cabinet and the touch screen together constitute an automatic integrated control system. The control cabinet receives temperature signals from the side thermocouple and the bottom thermocouple and adjusts the heating power of the silicon-molybdenum rod;

[0022] The side thermocouple is fixedly installed on the side wall of the corundum tube, and the bottom thermocouple is installed on the bottom of the graphite crucible to monitor the internal temperature of the graphite crucible in real time.

[0023] Furthermore, the quenching water tank is a stainless steel structure, and a cooling water tank inlet and a cooling water tank outlet are respectively provided on the surface of the quenching water tank. A cooling water refrigeration device is provided at the bottom of the quenching water tank, and the bottom of the quenching water tank is supported by a cooling water tank bracket.

[0024] A method for controlling a slag rapid quenching device comprises the following steps:

[0025] Step 1: Set the target temperature and cooling rate parameters through the touch screen;

[0026] The graphite crucible in the corundum tube is heated by a silicon-molybdenum rod to obtain the liquid slag at the target temperature. The mullite lining and graphite furnace cover act as insulation. The side thermocouple controls the temperature, and the bottom thermocouple displays the actual temperature of the slag sample in the graphite crucible.

[0027] Step 2: The control cabinet feeds back the real-time temperature of the liquid slag based on the thermocouple at the bottom;

[0028] Step 3: When the target temperature is reached, the lifting mechanism and the hollow rotating platform are triggered by the touch screen to pour the slag into the quenching water tank within 1 second to complete the slag quenching operation;

[0029] The detailed process of slag quenching operation is as follows:

[0030] The lifting mechanism motor drives the lifting mechanism to drive the hollow rotating platform, connecting arm, metal base, crucible base, and graphite crucible to move in the vertical direction as a whole;

[0031] The servo motor drives the hollow rotating platform to rotate and drives the metal base, crucible base and graphite crucible to rotate, thereby realizing a rapid rotating slag pouring action and completing the slag quenching operation.

[0032] 3. Beneficial effects

[0033] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0034] The present invention realizes the slag quenching process within 1 second, while the traditional manual operation takes 5-10 seconds. The present invention is more efficient in slag quenching, ensuring that the slag sample can obtain a glass sample and a stable structure at the target temperature;

[0035] The present invention uses touch screen operation to accurately control the system heating and cooling rates, with one-touch raising and lowering, which greatly reduces the heat loss in the traditional manual slag pouring process and ensures the accuracy of the target temperature.

[0036] The present invention only requires the operator to operate the touch screen on one side of the control cabinet, away from the furnace body, to avoid the release of harmful volatile gases from the slag (F - , BaO) and the risk of high temperature burns, the safety factor is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a front view of the graphite crucible of the present invention in a heating state;

[0038] Figure 2 This is a side view of the graphite crucible in the slag quenching state of the present invention;

[0039] Figure 3 It is a structural diagram of the mechanical transmission system of the present invention.

[0040] Figure: 1. Silicon-molybdenum rod; 2. Side thermocouple; 3. Graphite crucible; 4. Crucible base; 5. Graphite furnace cover; 6. Corundum tube; 7. Furnace cover; 801. Furnace cover cooling water inlet; 802. Furnace cover cooling water outlet; 9. Furnace bottom; 1001. Furnace bottom cooling water inlet; 1002. Furnace bottom cooling water outlet; 11. Furnace shell; 12. Metal base; 1301. Metal base cooling water inlet; 1302. Metal base cooling water outlet Interface; 14. Metal base air inlet; 15. Hollow rotating platform; 16. Servo motor; 17. Connecting arm; 18. Lifting mechanism; 19. Lifting mechanism motor; 20. Quenching water tank; 21. Equipment frame; 22. Control cabinet; 23. Touch screen; 24. Bottom thermocouple; 2501. Cooling water tank inlet; 2502. Cooling water tank outlet; 26. Cooling water refrigeration device; 27. Cooling water tank bracket; 28. Mullite furnace lining; 29. ​​Constant temperature zone. DETAILED DESCRIPTION

[0041] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0042] Example 1

[0043] from Figure 1-2 It can be seen that the slag rapid quenching device of this embodiment includes an equipment frame 21, a furnace shell 11 is fixedly installed on the top of the equipment frame 21, and a graphite crucible 3 is arranged inside the furnace shell 11;

[0044] A furnace cover 7 is installed on the top of the furnace body shell 11, and a furnace cover cooling water inlet interface 801 and a furnace cover cooling water outlet interface 802 are provided on the furnace cover 7. A furnace bottom 9 is provided at the bottom of the furnace body shell 11, and a furnace bottom cooling water inlet interface 1001 and a furnace bottom cooling water outlet interface 1002 are provided on the surface of the furnace bottom 9. The furnace bottom 9 is separable from the metal base 12, and a metal base cooling water inlet interface 1301 and a metal base cooling water outlet interface 1302 are provided on the surface of the metal base 12. A metal base air inlet 14 is provided at the bottom of the metal base 12.

[0045] The furnace cover cooling water inlet interface 801 and the furnace cover cooling water outlet interface 802, the furnace bottom cooling water inlet interface 1001 and the furnace bottom cooling water outlet interface 1002, the metal base cooling water inlet interface 1301 and the metal base cooling water outlet interface 1302 are respectively connected to the external circulation cooling system through independent pipelines to form a circulation cooling channel, and constitute a furnace body cooling system with a multi-stage circulation cooling design.

[0046] The furnace shell 11 is provided with a heating and heat preservation system;

[0047] The heating and insulation system includes silicon-molybdenum rods 1, a graphite crucible 3, a corundum tube 6, and a mullite lining 28; the inside of the furnace shell 11 is paved with a mullite lining 28, a corundum tube 6 is arranged at the center of the mullite lining 28, silicon-molybdenum rods 1 are arranged at intervals on the outer circle of the corundum tube 6, and a graphite crucible 3 is placed in the corundum tube 6.

[0048] A graphite furnace cover 5 is provided on the top of the corundum tube 6 , and an openable vent is provided on the surface of the graphite furnace cover 5 ; the corundum tube 6 is made of alumina, and the silicon-molybdenum rods 1 are arranged in a circular array outside the corundum tube 6 .

[0049] The corundum tube 6 has an outer diameter of 70 mm and an inner diameter of 60 mm. A constant temperature zone 29 is provided in the middle of the corundum tube 6. The constant temperature zone 29 is 50 mm wide. The graphite crucible 3 has an outer diameter of 50 mm, an inner diameter of 40 mm, and a height of 70 mm. The graphite crucible 3 is placed in the constant temperature zone 29.

[0050] The heating and insulation system heats the graphite crucible 3 in the corundum tube 6 through the silicon-molybdenum rod 1 to obtain liquid slag at the target temperature. The mullite lining 28 and the graphite furnace cover 5 play the role of thermal insulation. The side thermocouple 2 controls the temperature, and the thermocouple 24 at the bottom of the crucible displays the actual temperature of the slag sample in the crucible.

[0051] The bottom of the graphite crucible 3 is provided with a crucible base 4, the bottom of the crucible base 4 is provided with a metal base 12, and the surface of the metal base 12 is connected to a mechanical transmission system;

[0052] from Figure 3It can be seen that the mechanical transmission system includes a hollow rotating platform 15, a servo motor 16, a connecting arm 17, a lifting mechanism 18 and a lifting mechanism motor 19. The interior of the connecting arm 17 is a hollow structure. One end of the connecting arm 17 is fixed to the metal base 12, and the other end of the connecting arm 17 is fixed to the hollow rotating platform 15 by bolts.

[0053] A lifting mechanism 18 is connected to one side of the hollow rotating platform 15, and the metal base 12 is linked to the lifting mechanism 18 through the hollow rotating platform 15;

[0054] The input end of the hollow rotating platform 15 is connected to a servo motor 16, which drives the hollow rotating platform 15 to achieve 360° rotation of the graphite crucible 3;

[0055] The input end of the lifting mechanism 18 is connected to the lifting mechanism motor 19, and the lifting mechanism 18 realizes millimeter-level vertical lifting action through the lifting mechanism motor 19. The lifting mechanism motor 19 drives the lifting mechanism 18 to move the graphite crucible 3 in the vertical direction;

[0056] A quenching system is provided at the bottom of the equipment frame 21, which includes a quenching water tank 20; the lifting mechanism 18 and the hollow rotating platform 15 drive the graphite crucible 3 to move vertically to above the quenching water tank 20 through the connecting arm 17, and realize a rapid rotation and slag pouring action to complete the slag quenching operation.

[0057] The movement stroke of the lifting mechanism motor 19 is controlled by the preset parameters of the control cabinet 22. The control cabinet 22 is electrically connected to the touch screen 23. The control cabinet 22 and the touch screen 23 together form an automatic integrated control system to achieve full-process automated integrated operation control. The control cabinet 22 receives the temperature signals of the side thermocouple 2 and the bottom thermocouple 24 and adjusts the heating power of the silicon-molybdenum rod 1;

[0058] The side thermocouple 2 is fixedly installed on the side wall of the corundum tube 6 , and the bottom thermocouple 24 is installed on the bottom of the graphite crucible 3 to monitor the internal temperature of the graphite crucible 3 in real time.

[0059] The quenching water tank 20 is a stainless steel structure. A cooling water tank inlet 2501 and a cooling water tank outlet 2502 are provided on the surface of the quenching water tank 20. A cooling water refrigeration device 26 is provided at the bottom of the quenching water tank 20. The bottom of the quenching water tank 20 is supported by a cooling water tank bracket 27.

[0060] The quenching system controls the water temperature in the quenching water tank 20 through the cooling water refrigeration device 26 to ensure that the water temperature is constant at 0 o C. Maintain the cooling water temperature stable. The cooling water tank inlet 2501 and the cooling water tank outlet 2502 are connected to external circulation pipelines to achieve cooling water circulation.

[0061] Example 2

[0062] from Figure 1-2 It can be seen that the control method of a slag rapid quenching device of this embodiment includes the following steps:

[0063] Step 1: Set the target temperature and cooling rate parameters via the touch screen 23;

[0064] The graphite crucible 3 in the corundum tube 6 is heated by the silicon-molybdenum rod 1 to obtain liquid slag at the target temperature of 1200-1500°C. The mullite furnace lining 28 and the graphite furnace cover 5 act as thermal insulation. The side thermocouple 2 regulates the temperature, and the bottom thermocouple 24 displays the actual temperature of the slag sample in the graphite crucible 3.

[0065] Step 2: The control cabinet 22 feeds back the real-time temperature of the liquid slag according to the bottom thermocouple 24;

[0066] Step 3: When the target temperature is reached, the touch screen 23 is used to trigger the lifting mechanism 18 and the hollow rotating platform 15 to move, and the slag is poured into the quenching water tank 20 within 1 second to complete the slag quenching operation;

[0067] The detailed process of slag quenching operation is as follows:

[0068] The lifting mechanism motor 19 drives the lifting mechanism 18 to move the hollow rotating platform 15, the connecting arm 17, the metal base 12, the crucible base 4, and the graphite crucible 3 as a whole in the vertical direction;

[0069] The servo motor 16 drives the hollow rotating platform 15 to rotate and drives the metal base 12, the crucible base 4, and the graphite crucible 3 to rotate, thereby realizing a rapid rotating slag pouring action and completing the slag quenching operation.

[0070] The present invention adopts automated control. Parameters are preset through the touch screen 23, and the control cabinet 22 automatically executes the heating, transfer, and cooling processes and records the data. During the heating phase, the protective slag is placed in the graphite crucible 3 and heated to the target temperature by the silicon-molybdenum rod 1. The side thermocouple 2 and the bottom thermocouple 24 monitor the temperature in real time and feed back to the control cabinet 22. After reaching the target temperature during the cooling phase, the lifting mechanism 18 transfers the graphite crucible 3 to the top of the quenching water tank 20. At the same time, the hollow rotating platform 15 pours the slag in the graphite crucible 3 into the quenching water tank 20 to achieve rapid cooling (cooling rate ≥100°C / s).

[0071] The present invention reduces heat loss by optimizing the lifting module, heating and cooling modules, achieves precise temperature control and rapid slag quenching, and can complete the slag quenching operation efficiently, safely and with minimal heat loss. Combined with automated control, it improves operational efficiency and reduces safety risks for experimenters, ultimately providing reliable samples for subsequent slag structure analysis.

[0072] The present invention can realize stable and rapid slag quenching operation, significantly reduce the temperature error and structural data error caused by human factors, and avoid the personal safety problems caused by high temperature burns and operational errors; the equipment has a compact structure and is easy to operate, and the temperature can be accurately controlled at 200~1800 o C range (error ±3 o C);

[0073] The furnace body is equipped with circulating cooling water devices on the upper and lower parts to ensure stable operation under high temperature conditions and effectively avoid the risk of scalding. The furnace body is filled with mullite lining 28 to ensure the stability of the temperature field in the constant temperature zone 29 in the furnace. Compared with the traditional 5-10 s slag quenching operation, the one-button automatic slag quenching equipment of the present invention can achieve slag quenching operation within 1 s, which is safe and efficient. At the same time, the bottom quenching water tank 20 is equipped with a cooling water refrigeration device 26 to maintain the cooling water temperature at 0 o C ensures a constant cooling rate; the side thermocouple 2 and the bottom thermocouple 24 are used to collaboratively control the temperature in the furnace, which can achieve slag quenching at different target temperatures and cooling rates to obtain amorphous glass samples, providing effective technical support for subsequent microstructure analysis.

[0074] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by this and, without departing from the purpose of the present invention, designs a structure and embodiment similar to this technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A slag rapid quenching device, comprising an equipment frame (21), characterized in that: A furnace shell (11) is fixedly mounted on the top of the equipment frame (21), and a graphite crucible (3) is arranged inside the furnace shell (11); The bottom of the graphite crucible (3) is provided with a crucible base (4), the bottom of the crucible base (4) is provided with a metal base (12), and the surface of the metal base (12) is connected to a mechanical transmission system; The mechanical transmission system comprises a hollow rotating platform (15), a servo motor (16), a connecting arm (17), a lifting mechanism (18) and a lifting mechanism motor (19), one end of the connecting arm (17) is fixed to the metal base (12), and the other end of the connecting arm (17) is fixed to the hollow rotating platform (15) by bolts; One side of the hollow rotating platform (15) is connected to a lifting mechanism (18), and the metal base (12) is linked to the lifting mechanism (18) through the hollow rotating platform (15); The input end of the hollow rotating platform (15) is connected to a servo motor (16), and the servo motor (16) drives the hollow rotating platform (15) to achieve 360° rotation of the graphite crucible (3); The input end of the lifting mechanism (18) is connected to a lifting mechanism motor (19), and the lifting mechanism motor (19) drives the lifting mechanism (18) to drive the graphite crucible (3) to move in a vertical direction; A quenching system is provided at the bottom of the equipment frame (21), and the quenching system includes a quenching water tank (20); the lifting mechanism (18) and the hollow rotating platform (15) drive the graphite crucible (3) to move vertically to above the quenching water tank (20) through the connecting arm (17), and realize a rapid rotation and slag pouring action to complete the slag quenching operation.

2. The slag rapid quenching device according to claim 1, characterized in that: The interior of the connecting arm (17) is a hollow structure.

3. The slag rapid quenching device according to claim 1, characterized in that: A furnace cover (7) is installed on the top of the furnace body shell (11), and a furnace cover cooling water inlet interface (801) and a furnace cover cooling water outlet interface (802) are provided on the furnace cover (7). A furnace bottom (9) is provided at the bottom of the furnace body shell (11), and a furnace bottom cooling water inlet interface (1001) and a furnace bottom cooling water outlet interface (1002) are provided on the surface of the furnace bottom (9). The furnace bottom (9) is detachable from the metal base (12), and a metal base cooling water inlet interface (1301) and a metal base cooling water outlet interface (1302) are provided on the surface of the metal base (12). A metal base air inlet (14) is provided at the bottom of the metal base (12).

4. The slag rapid quenching device according to claim 3, characterized in that: The furnace cover cooling water inlet interface (801) and the furnace cover cooling water outlet interface (802), the furnace bottom cooling water inlet interface (1001) and the furnace bottom cooling water outlet interface (1002), the metal base cooling water inlet interface (1301), and the metal base cooling water outlet interface (1302) are respectively connected to the external circulation cooling system through independent pipelines to form a circulation cooling channel.

5. The slag rapid quenching device according to claim 4, characterized in that: The furnace shell (11) is provided with a heating and heat preservation system; The heating and heat preservation system comprises a silicon-molybdenum rod (1), a graphite crucible (3), a corundum tube (6), and a mullite furnace lining (28); the interior of the furnace shell (11) is paved with a mullite furnace lining (28), a corundum tube (6) is arranged at the center of the mullite furnace lining (28), silicon-molybdenum rods (1) are arranged at intervals on the outer ring of the corundum tube (6), and a graphite crucible (3) is placed in the corundum tube (6).

6. The slag rapid quenching device according to claim 5, characterized in that: A graphite furnace cover (5) is provided on the top of the corundum tube (6), and an openable vent hole is provided on the surface of the graphite furnace cover (5); the corundum tube (6) is made of alumina, and the silicon molybdenum rods (1) are arranged in a ring array outside the corundum tube (6).

7. The slag rapid quenching device according to claim 6, characterized in that: A constant temperature zone (29) is provided in the middle of the corundum tube (6), the constant temperature zone (29) is 50 mm wide, and the graphite crucible (3) is placed in the constant temperature zone (29).

8. The slag rapid quenching device according to claim 7, characterized in that: The movement stroke of the lifting mechanism motor (19) is controlled by preset parameters of the control cabinet (22). The control cabinet (22) is electrically connected to the touch screen (23). The control cabinet (22) and the touch screen (23) together constitute an automatic integrated control system. The control cabinet (22) receives temperature signals from the side thermocouple (2) and the bottom thermocouple (24) and adjusts the heating power of the silicon-molybdenum rod (1). The side thermocouple (2) is fixedly mounted on the side wall of the corundum tube (6), and the bottom thermocouple (24) is mounted on the bottom of the graphite crucible (3) to monitor the internal temperature of the graphite crucible (3) in real time.

9. The slag rapid quenching device according to claim 8, characterized in that: The quenching water tank (20) is a stainless steel structure. A cooling water tank inlet (2501) and a cooling water tank outlet (2502) are provided on the surface of the quenching water tank (20). A cooling water refrigeration device (26) is provided at the bottom of the quenching water tank (20). The bottom of the quenching water tank (20) is supported by a cooling water tank bracket (27).

10. The control method of a slag rapid quenching device according to claim 9, characterized in that: The following steps are involved: Step 1: Setting the target temperature and cooling rate parameters via the touch screen (23); The graphite crucible (3) in the corundum tube (6) is heated by a silicon-molybdenum rod (1) to obtain liquid slag at a target temperature. The mullite furnace lining (28) and the graphite furnace cover (5) serve as thermal insulation. The side thermocouple (2) controls the temperature. The bottom thermocouple (24) displays the actual temperature of the slag sample in the graphite crucible (3). Step 2: The control cabinet (22) feeds back the real-time temperature of the liquid slag according to the bottom thermocouple (24); Step 3: When the target temperature is reached, the lifting mechanism (18) and the hollow rotating platform (15) are triggered by the touch screen (23) to pour the slag into the quenching water tank (20) within 1 second to complete the slag quenching operation; The detailed process of slag quenching operation is as follows: The lifting mechanism motor (19) drives the lifting mechanism (18) to drive the hollow rotating platform (15), the connecting arm (17), the metal base (12), the crucible base (4), and the graphite crucible (3) to move in a vertical direction as a whole; The servo motor (16) drives the hollow rotating platform (15) to rotate and drives the metal base (12), the crucible base (4), and the graphite crucible (3) to rotate, thereby realizing a rapid rotating slag pouring action and completing the slag quenching operation.

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