Aluminum-magnesium series alloy ingot smelting cooling device

Abstract

The utility model relates to the technical field of metal material processing, and discloses an aluminum-magnesium series alloy ingot smelting cooling device, which comprises a cooling tank, a heat exchanger, a heat exchanger and a heat exchanger, the smelting tank is arranged at the top of the cooling pool; the first cooling structure comprises a fixed water jacket, and the fixed water jacket is fixedly mounted on the outer wall of the smelting tank; the second cooling structure comprises six groups of stirring blades, and the stirring blades are arranged in the cooling tank; the water pump is fixedly mounted at the top of the cooling pond; the control panel is fixedly installed at the top of the cooling pond, the first cooling structure further comprises a first water conveying pipe and a second water conveying pipe which are fixedly installed at the two ends of the fixed water jacket correspondingly, the purpose of conducting rapid heat dissipation on the device is achieved, the cooling effect of cooling water is improved, the cooling rate of the smelting furnace is increased, and the using convenience of the device is improved; the device can conveniently collect high-temperature alloy liquid, and resource waste is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal material processing, in particular to a smelting and cooling device for aluminum-magnesium alloy ingots. Background Art

[0002] In the production process of aluminum-magnesium alloy ingots, smelting and cooling are two key process steps. Traditional smelting and cooling devices have deficiencies in temperature control and cooling efficiency, resulting in unstable smelting quality of alloy ingots and low production efficiency. It is now necessary to design a smelting and cooling device for aluminum-magnesium alloy ingots.

[0003] The utility model with announcement number CN212320393U discloses an efficient smelting furnace for aluminum-magnesium alloy, comprising a smelting furnace body, a crucible furnace, a fixed cover, a circulation pump, a TC200 heating controller and a refrigerator. A cooling water chamber is provided on the inner side of the smelting furnace body, an NTC temperature sensor is distributed at the bottom of the cooling water chamber, a crucible furnace is provided inside the smelting furnace body, an electric heating wire heating device is provided at the outer end of the crucible furnace, a fixed cover is provided on the top of the crucible furnace, the right end of the smelting furnace body is connected to a circulation pump through a circulation inlet pipe, the bottom left end of the circulation pump is connected to the left end of the smelting furnace body through a circulation outlet pipe, a refrigerator is provided in the middle of the circulation outlet pipe, and a filter element is provided at the bottom of the circulation outlet pipe. It relates to the technical field of smelting furnaces, controls heating and smelting aluminum-magnesium alloys, can efficiently circulate water in the cooling water chamber, monitor the precise internal temperature in real time, filter and purify impurities, is easy to install and disassemble, and is easy to use.

[0004] However, the above patent still has the following problems: when the smelting furnace is smelting the aluminum-magnesium alloy, the outer wall of the smelting furnace also needs to dissipate heat and cool down. The outside of the smelting furnace is not provided with a cooling device, which affects the cooling efficiency of the device and the production efficiency of the smelting furnace for aluminum-magnesium alloy. When cooling the produced aluminum-magnesium alloy ingots, the cooling water used for cooling the aluminum-magnesium alloy ingots is not recycled, resulting in a waste of resources. Moreover, the temperature of the cooling water will continue to rise due to the temperature of the aluminum-magnesium alloy ingots, and the cooling water needs to be cooled. The cooling mechanism of the device needs to be improved.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above-mentioned technical problem of poor cooling effect of the outer wall of the smelting furnace, the basic concept of the technical solution adopted by the present invention is:

[0007] An aluminum-magnesium alloy ingot melting and cooling device, comprising:

[0008] Cooling pool, the cooling pool is fixedly installed on the ground;

[0009] Smelting tank, the smelting tank is set on the top of the cooling pool;

[0010] A first cooling structure, the first cooling structure includes a fixed water jacket, the fixed water jacket is fixedly installed on the outer wall of the smelting tank;

[0011] The second cooling structure includes six groups of stirring blades, and the stirring blades are arranged inside the cooling pool;

[0012] Water pump, the water pump is fixedly installed on the top of the cooling pool;

[0013] Control panel: The control panel is fixedly installed on the top of the cooling pool.

[0014] As a preferred embodiment of the present invention, the first cooling structure also includes a first water pipe and a second water pipe respectively fixedly installed at both ends of the fixed water jacket, one end of the first water pipe is fixedly connected to the input end of the water pump, one end of the second water pipe is tightly attached to the inner bottom of the cooling pool, and a third water pipe is fixedly installed at the output end of the water pump, one end of the third water pipe is tightly attached to the inner bottom of the cooling pool.

[0015] As a preferred embodiment of the present invention, the second cooling structure also includes a servo motor fixedly mounted on the outer wall of one side of the cooling pool, a rotating rod is rotatably mounted on the inner wall of one side of the cooling pool, the outer wall of the rotating rod is fixedly connected to the inner wall of the stirring blade, and two sets of limit frame plates are fixedly mounted on the top of the cooling pool, and a cooling fan is rotatably mounted inside the limit frame plates.

[0016] As a preferred embodiment of the present invention, the second cooling structure also includes a fan motor fixedly installed on the top of the cooling pool, the fan motor is electrically connected to the two sets of cooling fans through wires, and the fan motor is electrically connected to the control panel.

[0017] As a preferred embodiment of the present invention, a first fixed plate is fixedly installed on the top of the cooling pool, a group of first fixed ring plates is fixedly installed on the outer wall of one side of the first fixed plate, a fifth fixed plate is fixedly installed on the outer wall of the other side of the cooling pool, a resistance heating box is fixedly installed on the top of the fifth fixed plate, another group of first fixed ring plates is fixedly installed on the outer wall of one side of the resistance heating box, the inner walls of the two groups of first fixed ring plates are fixedly connected to the outer wall of the smelting tank, and the fifth fixed plate is electrically connected to the smelting tank.

[0018] As a preferred embodiment of the present invention, a smelting tank top is fixedly installed on the top of the smelting tank, two sets of first connecting plates are fixedly installed on the top of the smelting tank top, a first threaded groove is provided on the outer wall of one side of the first connecting plate, a clamping groove is provided inside the smelting tank top, a heating inner wall is fixedly installed inside the smelting tank, and a second fixing plate is provided on the top of the smelting tank top.

[0019] As a preferred embodiment of the present invention, a clamping plate is fixedly installed on the bottom of the second fixing plate, and the clamping plate is clamped and installed inside the clamping groove. Two groups of third fixing plates are fixedly installed on the outer wall of the second fixing plate, and a fourth fixing plate is fixedly installed on the top of the two groups of third fixing plates. A grip rod is fixedly installed inside the fourth fixing plate, and a second connecting plate is fixedly installed on one side outer wall of the third fixing plate. A first threaded groove is provided inside the second connecting plate, and two groups of limiting bolts are provided on the top of the cooling pool, and the limiting bolts are spirally installed inside the first threaded groove.

[0020] As a preferred embodiment of the present invention, two groups of holes are opened on the outer wall of one side of the cooling pool, and a group of cooling water inlet pipes and a group of cooling water outlet pipes are fixedly installed in the holes respectively. A cooling water outlet valve is provided on the outer wall of the cooling water outlet pipe. A discharge hopper is fixedly installed at the bottom of the smelting tank, and a discharge valve is provided on the outer wall of the discharge hopper. The control panel is electrically connected to the water pump, the discharge valve and the servo motor.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. Achieve the purpose of rapid heat dissipation of the device, improve the cooling effect of cooling water, accelerate the cooling rate of the smelting furnace, improve the convenience of device use, facilitate the device to collect high-temperature alloy liquid, and reduce resource waste.

[0023] 2. Achieve the purpose of adding raw materials and heating and melting the raw materials, improve the fixing effect of the device, enhance the fixing strength of the device, improve the stability of the device, and improve the processing efficiency of aluminum-magnesium alloy.

[0024] 3. Achieve intelligent control of the device, simplify the operating steps of the device, reduce manual work pressure, improve the melting quality of aluminum-magnesium alloy processing, and optimize the user experience of the device.

[0025] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In the attached figure:

[0027] Figure 1 It is a front view of the utility model;

[0028] Figure 2 It is a structural stereogram of the utility model;

[0029] Figure 3 This is a top view of the utility model;

[0030] Figure 4 This is a three-dimensional diagram of the control panel structure of the present utility model;

[0031] Figure 5 This is a perspective view of the fifth fixing plate structure of the present utility model;

[0032] Figure 6 This is a three-dimensional diagram of the heating inner wall structure of the utility model;

[0033] Figure 7 This is a three-dimensional diagram of the smelting tank top structure and the second fixing plate structure of the utility model;

[0034] Figure 8 It is a three-dimensional diagram of the water pump structure of the present utility model.

[0035] Figure: 10, cooling pool; 11, smelting tank; 12, first fixing plate; 13, first fixing ring plate; 14, smelting tank top; 15, first connecting plate; 16, first thread groove; 17, clamping groove; 18, heating inner wall; 19, second fixing plate; 20, clamping plate; 21, third fixing plate; 22, fourth fixing plate; 23, grip; 24, second connecting plate; 25, limit bolt; 26, first water pipe; 27 , second water pipe; 28, water pump; 29, fixed water jacket; 30, discharge hopper; 31, discharge valve; 32, fifth fixed plate; 33, resistance heating box; 34, servo motor; 35, rotating rod; 36, stirring blade; 37, fan motor; 38, limit frame plate; 39, cooling fan; 40, control panel; 41, cooling water inlet pipe; 42, cooling water outlet pipe; 43, cooling water outlet valve; 44, third water pipe. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0037] Example 1: A device for melting and cooling aluminum-magnesium alloy ingots, specifically Figure 1 and Figure 3 As shown, the device includes a cooling pool 10 fixedly mounted on the ground; a smelting tank 11 disposed on top of the cooling pool 10; a first cooling structure including a fixed water jacket 29 fixedly mounted on the outer wall of the smelting tank 11; a second cooling structure including six sets of stirring blades 36 disposed within the cooling pool 10; a water pump 28 fixedly mounted on top of the cooling pool 10; and a control panel 40 fixedly mounted on top of the cooling pool 10. The first and second cooling structures provide for rapid cooling of the device and recycling of the cooling water.

[0038] Specific as Figure 1 、 Figure 2 and Figure 8 As shown, the first cooling structure also includes a first water pipe 26 and a second water pipe 27, respectively fixedly mounted at both ends of a fixed water jacket 29. One end of the first water pipe 26 is fixedly connected to the input end of a water pump 28, and one end of the second water pipe 27 is in close contact with the inner bottom of the cooling pool 10. A third water pipe 44 is fixedly mounted at the output end of the water pump 28, and one end of the third water pipe 44 is in close contact with the inner bottom of the cooling pool 10. When the water pump 28 is started, cooling water from the interior of the cooling pool 10 is transported to the interior of the fixed water jacket 29 via the third water pipe 44 and the first water pipe 26, and cooling water from the interior of the fixed water jacket 29 is transported to the interior of the cooling pool 10 via the second water pipe 27.

[0039] Specific as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the second cooling structure also includes a servo motor 34 fixedly mounted on the outer wall of one side of the cooling pool 10. A rotating rod 35 is rotatably mounted on the inner wall of one side of the cooling pool 10. The outer wall of the rotating rod 35 is fixedly connected to the inner wall of the stirring blade 36. Two sets of limiting frames 38 are fixedly mounted on the top of the cooling pool 10. A cooling fan 39 is rotatably mounted inside the limiting frames 38. When the servo motor 34 is started, the rotating rod 35 rotates, driving the stirring blade 36 to stir the cooling water inside the cooling pool 10, continuously stirring the cooling water and discharging the hot air.

[0040] Specific as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the second cooling structure also includes a fan motor 37 fixedly mounted on the top of the cooling pool 10. The fan motor 37 is electrically connected to the two sets of cooling fans 39 via wires, and the fan motor 37 is electrically connected to the control panel 40. The cooling fans 39 are limited by the limit frame 38. When the fan motor 37 is started, the cooling fans 39 rotate to quickly dissipate heat from the cooling water.

[0041] According to the above conclusions, through the structure of the first water pipe 26, the second water pipe 27, the water pump 28, the fixed water jacket 29, the servo motor 34, the rotating rod 35, the stirring blade 36, the fan motor 37, the limiting frame plate 38, the cooling fan 39 and the third water pipe 44, the purpose of rapid heat dissipation of the device is achieved, the cooling effect of the cooling water is improved, the cooling rate of the smelting furnace is accelerated, the convenience of use of the device is improved, the device is convenient for collecting high-temperature alloy liquid, and resource waste is reduced.

[0042] Example 2: Based on Example 1, the specific example is as follows Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 and Figure 6As shown, a first fixing plate 12 is fixedly mounted on the top of the cooling pool 10. A set of first fixing ring plates 13 is fixedly mounted on one outer wall of the first fixing plate 12. A fifth fixing plate 32 is fixedly mounted on the other outer wall of the cooling pool 10. A resistance heating box 33 is fixedly mounted on the top of the fifth fixing plate 32. Another set of first fixing ring plates 13 is fixedly mounted on one outer wall of the resistance heating box 33. The inner walls of the two sets of first fixing ring plates 13 are fixedly connected to the outer wall of the smelting tank 11. The fifth fixing plate 32 is electrically connected to the smelting tank 11. The smelting tank 11 is fixed in place by the first fixing plate 12 and the first fixing ring plates 13. The resistance heating box 33 is fixed by the fifth fixing plate 32. When the resistance heating box 33 is activated, the metal raw materials inside the smelting tank 11 are heated and melted by resistance heating.

[0043] Specific as Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 and Figure 7 As shown, a smelting tank roof 14 is fixedly mounted on the top of the smelting tank roof 11. Two sets of first connecting plates 15 are fixedly mounted on the top of the smelting tank roof 14. A first threaded groove 16 is defined on one outer wall of the first connecting plate 15. A snap-fit ​​groove 17 is defined within the smelting tank roof 14. A heated inner wall 18 is fixedly mounted within the smelting tank 11. A second fixing plate 19 is provided on the top of the smelting tank roof 14. Raw materials are placed inside the heated inner wall 18. The handle 23 is gripped to snap the snap-fit ​​plate 20 into the snap-fit ​​groove 17.

[0044] Specific as Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 and Figure 7 As shown, a clamping plate 20 is fixedly mounted on the bottom of the second fixing plate 19, which is clamped and mounted inside the clamping groove 17. Two sets of third fixing plates 21 are fixedly mounted on the outer wall of the second fixing plate 19. A fourth fixing plate 22 is fixedly mounted on the top of the two sets of third fixing plates 21. A grip 23 is fixedly mounted inside the fourth fixing plate 22. A second connecting plate 24 is fixedly mounted on one outer wall of the third fixing plate 21. The second connecting plate 24 has a first threaded groove 16 defined therein. Two sets of stop bolts 25 are provided on the top of the cooling pool 10, which are screwed into the first threaded groove 16. The stop bolts 25 are rotated and screwed into the two sets of first threaded grooves 16 in sequence, so that the outer wall of one side of the second connecting plate 24 is tightly fixed to the outer wall of one side of the first connecting plate 15, thereby securing the second fixing plate 19 to the top of the smelting tank roof 14.

[0045] According to the above, through the structure of the smelting pot 11, the first fixing plate 12, the first fixing ring plate 13, the smelting pot top 14, the first connecting plate 15, the first thread groove 16, the clamping groove 17, the heating inner wall 18, the second fixing plate 19, the clamping plate 20, the third fixing plate 21, the fourth fixing plate 22, the gripping rod 23, the second connecting plate 24, the limit bolt 25, the fifth fixing plate 32 and the resistance heating box 33, the purpose of adding raw materials and heating and melting the raw materials is achieved, the fixing effect of the device is improved, the fixing strength of the device is enhanced, the stability of the device is improved, and the processing efficiency of the aluminum-magnesium alloy is improved.

[0046] Example 3: Based on Example 1 and Example 2, the specific example is as follows Figure 2 、 Figure 3 and Figure 5 As shown, two sets of holes are formed on the outer wall of one side of the cooling pool 10, into which a cooling water inlet pipe 41 and a cooling water outlet pipe 42 are fixedly installed, respectively. A cooling water outlet valve 43 is provided on the outer wall of the cooling water outlet pipe 42. A discharge hopper 30 is fixedly mounted at the bottom of the smelting pot 11, and a discharge valve 31 is provided on the outer wall of the discharge hopper 30. The control panel 40 is electrically connected to the water pump 28, the discharge valve 31, and the servo motor 34. Cooling water is injected into the cooling pool 10 through the cooling water inlet pipe 41, and the cooling water outlet valve 43 is opened to discharge the cooling water through the cooling water outlet pipe 42. The control panel 40 is operated to control the activation of various devices, activate the discharge valve 31, and open the discharge hopper 30 to discharge and cool the aluminum-magnesium alloy solution.

[0047] To sum up, through the structure of water pump 28, discharge hopper 30, discharge valve 31, servo motor 34, control panel 40, cooling water inlet pipe 41, cooling water outlet pipe 42 and cooling water outlet valve 43, intelligent control of the device is achieved, the operating steps of the device are simplified, the manual work pressure is reduced, the smelting quality of aluminum-magnesium alloy processing is improved, and the user experience of the device is optimized.

[0048] Working principle: Aluminum-magnesium alloy raw materials are placed on the heated inner wall 18 inside the smelting tank 11, and the resistance heating box 33 is started to heat and fuse the metal raw materials inside the smelting tank 11 by resistance heating to reach the required smelting temperature. The second fixed plate 19 is fixed to the top of the smelting tank 11, and the furnace cover is tightly connected to the smelting furnace by rotating the limit bolts 25 to ensure the safety and sealing of the smelting process. The water pump 28 is started to pump cooling water from the inner bottom of the cooling pool 10 through the water pump 28 and send it to the fixed water jacket 29 on the outer wall of the smelting tank 11 through the first water pipe 26 for circulation cooling. The cooling water in the fixed water jacket 29 is returned to the inner bottom of the cooling pool 10 through the second water pipe 27 to form a closed cooling water circulation system. The servo motor 34 is started to drive the rotating rod 35 to rotate, thereby causing the stirring blade 36 to stir the cooling water inside the cooling pool 10, accelerating the heat exchange between the cooling water and the hot air, and improving the cooling efficiency. The fan motor 37 is started to drive the cooling fan 39 to rotate through the wire (not shown). The cooling fan 39 blows air to dissipate heat for the cooling water, further improving the cooling effect. After the smelting is completed, the discharge valve 31 is started to open the bottom of the smelting tank 11 The discharge hopper 30 allows the aluminum-magnesium alloy solution to flow out for subsequent cooling and forming processing. The cooling water is replenished inside the cooling pool 10 through the cooling water inlet pipe 41. When the cooling water reaches a certain amount, the excess cooling water is discharged through the cooling water outlet pipe 42 and the cooling water outlet valve 43 to ensure the circulation and renewal of the cooling water inside the cooling pool 10. The control panel 40 is responsible for coordinating and controlling the entire smelting and cooling process, including the heating of the smelting furnace, the circulation of cooling water, stirring, and the start and stop of the cooling fan, etc., to ensure the efficiency, safety and stability of the entire smelting and cooling process.

[0049] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A smelting and cooling device for aluminum-magnesium alloy ingots, characterized in that: include: A cooling pool (10), the cooling pool (10) is fixedly installed on the ground; A smelting tank (11), wherein the smelting tank (11) is arranged on the top of the cooling pool (10); A first cooling structure, the first cooling structure comprising a fixed water jacket (29), the fixed water jacket (29) being fixedly mounted on an outer wall of the smelting tank (11); A second cooling structure, the second cooling structure comprising six groups of stirring blades (36), the stirring blades (36) being arranged inside the cooling pool (10); A water pump (28), the water pump (28) is fixedly installed on the top of the cooling pool (10); A control panel (40) is fixedly mounted on the top of the cooling pool (10).

2. The aluminum-magnesium alloy ingot melting and cooling device according to claim 1, characterized in that: The first cooling structure further comprises a first water pipe (26) and a second water pipe (27) respectively fixedly mounted on two ends of the fixed water jacket (29); one end of the first water pipe (26) is fixedly connected to an input end of a water pump (28); one end of the second water pipe (27) is in close contact with the inner bottom of the cooling pool (10); a third water pipe (44) is fixedly mounted on the output end of the water pump (28); one end of the third water pipe (44) is in close contact with the inner bottom of the cooling pool (10).

3. The aluminum-magnesium alloy ingot melting and cooling device according to claim 1, characterized in that: The second cooling structure also includes a servo motor (34) fixedly mounted on an outer wall of one side of the cooling pool (10); a rotating rod (35) is rotatably mounted on an inner wall of one side of the cooling pool (10); the outer wall of the rotating rod (35) is fixedly connected to the inner wall of the stirring blade (36); two sets of limiting frame plates (38) are fixedly mounted on the top of the cooling pool (10); and a cooling fan (39) is rotatably mounted inside the limiting frame plates (38).

4. The aluminum-magnesium alloy ingot melting and cooling device according to claim 1, characterized in that: The second cooling structure also includes a fan motor (37) fixedly mounted on the top of the cooling pool (10); the fan motor (37) is electrically connected to the two groups of cooling fans (39) via electric wires; and the fan motor (37) is electrically connected to the control panel (40).

5. The aluminum-magnesium alloy ingot melting and cooling device according to claim 1, characterized in that: A first fixing plate (12) is fixedly mounted on the top of the cooling pool (10), a group of first fixing ring plates (13) is fixedly mounted on one side outer wall of the first fixing plate (12), a fifth fixing plate (32) is fixedly mounted on the other side outer wall of the cooling pool (10), a resistance heating box (33) is fixedly mounted on the top of the fifth fixing plate (32), another group of first fixing ring plates (13) is fixedly mounted on one side outer wall of the resistance heating box (33), the inner walls of the two groups of first fixing ring plates (13) are fixedly connected to the outer wall of the smelting tank (11), and the fifth fixing plate (32) is electrically connected to the smelting tank (11).

6. The aluminum-magnesium alloy ingot melting and cooling device according to claim 1, characterized in that: A smelting tank top (14) is fixedly mounted on the top of the smelting tank (11); two groups of first connecting plates (15) are fixedly mounted on the top of the smelting tank top (14); a first threaded groove (16) is provided on one side outer wall of the first connecting plate (15); a clamping groove (17) is provided inside the smelting tank top (14); a heating inner wall (18) is fixedly mounted inside the smelting tank (11); and a second fixing plate (19) is provided on the top of the smelting tank top (14).

7. The aluminum-magnesium alloy ingot melting and cooling device according to claim 6, characterized in that: A clamping plate (20) is fixedly mounted on the bottom of the second fixing plate (19), and the clamping plate (20) is clamped and mounted inside the clamping groove (17); two groups of third fixing plates (21) are fixedly mounted on the outer wall of the second fixing plate (19); a fourth fixing plate (22) is fixedly mounted on the top of the two groups of third fixing plates (21); a gripping rod (23) is fixedly mounted inside the fourth fixing plate (22); a second connecting plate (24) is fixedly mounted on the outer wall of one side of the third fixing plate (21); a first threaded groove (16) is provided inside the second connecting plate (24); two groups of limiting bolts (25) are arranged on the top of the cooling pool (10), and the limiting bolts (25) are screwed inside the first threaded groove (16).

8. The aluminum-magnesium alloy ingot melting and cooling device according to claim 1, characterized in that: Two groups of holes are provided on the outer wall of one side of the cooling pool (10), and a group of cooling water inlet pipes (41) and a group of cooling water outlet pipes (42) are fixedly installed in the holes respectively; a cooling water outlet valve (43) is provided on the outer wall of the cooling water outlet pipe (42); a discharge hopper (30) is fixedly installed at the bottom of the smelting tank (11); a discharge valve (31) is provided on the outer wall of the discharge hopper (30); and a control panel (40) is electrically connected to the water pump (28), the discharge valve (31) and the servo motor (34).

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