Vacuum purification equipment for metal material recovery

Abstract

The invention provides metal material recovery vacuum purification equipment, and relates to the technical field of metal material recovery. The metal material recovery vacuum purification equipment comprises a mounting workbench plate, a vacuum separation tank body and a vacuum heating furnace are fixedly mounted on the upper surface of the mounting workbench plate, a plurality of groups of magnetic attraction assemblies are mounted at the top of the vacuum separation tank body, and a stirring assembly is mounted at the bottom of the vacuum separation tank body. A first induced draft fan is started, a metal iron material enters a first mounting pipeline through a built-in material suction pipeline and then enters a first filtering box body, nitrogen is discharged through an eighth mounting pipeline at an outlet of the first induced draft fan, and a second valve on the outer surface of a feeding mounting pipeline is regularly opened; the metal iron material enters the vacuum heating furnace through the feeding installation pipeline to be purified, impurities are effectively removed, follow-up purification is facilitated, the pretreatment device and the vacuum heating furnace are integrally linked, and operation is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of metal material recovery, in particular to a metal material recovery vacuum purification device. Background Art

[0002] Purification refers to separating impurities from a mixture to improve its purity. Purification, as an important chemical method, not only plays an important role in chemical research, but also plays a very important role in chemical production. Many important chemical research and chemical production are based on purification.

[0003] During the production and processing of metallic iron, a certain amount of metallic iron powder will remain on the ground in the working environment. However, due to the diversity of materials on the ground, the metallic iron materials need to be purified when the metal materials are recycled.

[0004] In the process of purifying metal materials, vacuum heating purification method can be used, and the metal materials can be put into a vacuum heating furnace. However, we must know that since the metal iron materials are mixed with impurities of other objects, if they are not treated in advance, it will affect the subsequent purification effect. Traditional pretreatment devices are difficult to achieve integrated linkage effects with vacuum heating furnaces, and manual intervention is more time-consuming and labor-intensive. Summary of the invention

[0005] Technical problem solved: In view of the shortcomings of the prior art, the present invention provides a metal material recovery vacuum purification equipment, which solves the problem that since the metal iron material is doped with impurities of other objects, if it is not treated in advance, it will affect the subsequent purification effect, and the traditional pretreatment device is difficult to achieve an integrated linkage effect with the vacuum heating furnace, and there is a lot of manual intervention, which is time-consuming and labor-intensive.

[0006] Technical solution: To achieve the above objectives, the present invention is implemented through the following technical solutions: a metal material recovery vacuum purification equipment, including an installation workbench, a vacuum separation tank body and a vacuum heating furnace are fixedly installed on the upper surface of the installation workbench, a plurality of magnetic suction components are installed on the top of the vacuum separation tank body, a stirring component is installed on the bottom of the vacuum separation tank body, a vacuum pumping component and an inflation component are installed on the side wall of the vacuum separation tank body, a first installation pipe is fixedly connected to the top of the vacuum separation tank body, one end of the first installation pipe is fixedly connected to a built-in suction pipe, the built-in suction pipe is located inside the vacuum separation tank body, the other end of the first installation pipe is fixedly connected to a first extraction component, and the outer surface of the first installation pipe is connected to a second extraction component.

[0007] Preferably, the magnetic attraction component includes a first servo motor fixedly connected to the top of the vacuum separation tank body, the output shaft of the first servo motor extends to the interior of the vacuum separation tank body and is fixedly connected to a connecting and mounting shaft, and an end of the connecting and mounting shaft away from the first servo motor is fixedly connected to an electromagnetic rod, and the electromagnetic rod is started and energized to become magnetic, thereby adsorbing metal iron materials on the electromagnetic rod, while other impurities will not be adsorbed.

[0008] Preferably, the stirring assembly includes a second servo motor fixedly connected to the bottom of the vacuum separation tank body, the output shaft of the second servo motor extends to the interior of the vacuum separation tank body and is fixedly connected to a rotating fixed mounting frame, and a plurality of stirring mounting vertical plates are fixedly connected to the upper surface of the rotating fixed mounting frame. When the second servo motor is started, the output shaft of the second servo motor rotates the rotating fixed mounting frame, and the rotating fixed mounting frame rotates the plurality of stirring mounting vertical plates, so that the plurality of stirring mounting vertical plates stir the metal iron material to be recycled, thereby increasing the fluidity of the material.

[0009] Preferably, the vacuum assembly includes a vacuum pump fixedly connected to the upper surface of the mounting workbench, the inlet of the vacuum pump is fixedly connected to a third mounting pipe, the end of the third mounting pipe away from the vacuum pump is fixedly connected to the vacuum separation tank body, and the outlet of the vacuum pump is fixedly connected to a sixth mounting pipe.

[0010] Preferably, the inflation assembly includes a nitrogen generator fixedly connected to the upper surface of the installation workbench, the inlet of the nitrogen generator is fixedly connected to the seventh installation pipe, the outlet of the nitrogen generator is fixedly connected to the fourth installation pipe, the end of the fourth installation pipe away from the nitrogen generator is fixedly connected to the vacuum separation tank body, and the nitrogen generator is started, and the nitrogen generated by the nitrogen generator enters the interior of the vacuum separation tank body to break the vacuum state inside the vacuum separation tank body.

[0011] Preferably, the first extraction assembly includes a first induced draft fan fixedly connected to the top of the vacuum heating furnace, the inlet of the first induced draft fan is fixedly connected to the fifth installation pipe, the end of the fifth installation pipe away from the first induced draft fan is fixedly connected to the first filter box, the side of the first filter box away from the fifth installation pipe is fixedly connected to one end of the first installation pipe, the interior of the first filter box is fixedly connected to the first filter net, the bottom of the first filter box is fixedly connected to the feed installation pipe, the end of the feed installation pipe away from the first filter box is fixedly connected to the top of the vacuum heating furnace, the outlet of the first induced draft fan is fixedly connected to the eighth installation pipe, the outer surface of the first installation pipe is installed with a first valve, and the outer surface of the feed installation pipe is installed with a second valve.

[0012] Preferably, the second extraction assembly includes a second induced draft fan fixedly connected to the upper surface of the mounting workbench, the outlet of the second induced draft fan is fixedly connected to a ninth mounting pipe, the inlet of the second induced draft fan is fixedly connected to a tenth mounting pipe, the end of the tenth mounting pipe away from the second induced draft fan is fixedly connected to a second filter box, the interior of the second filter box is fixedly connected to a second filter screen, the bottom of the second filter box is fixedly connected to an eleventh mounting pipe, a third valve is installed on the outer surface of the eleventh mounting pipe, the side of the second filter box away from the tenth mounting pipe is fixedly connected to the second mounting pipe, the end of the second mounting pipe away from the second filter box is fixedly connected to the first mounting pipe, and a fourth valve is installed on the outer surface of the second mounting pipe.

[0013] Preferably, an upper feed cylinder is fixedly installed at the top center of the vacuum separation tank body, the bottom of the upper feed cylinder is connected to the vacuum separation tank body, and a sealing cover is arranged on the top of the upper feed cylinder.

[0014] Beneficial effects: The present invention provides a vacuum purification device for metal material recovery. It has the following beneficial effects: The present invention closes the electromagnetic rod, and the electromagnetic rod loses its magnetism when it is powered off, so that the metal iron material is no longer adsorbed on the electromagnetic rod, and at the same time closes the fourth valve on the second installation pipeline, opens the first valve on the outer surface of the first installation pipeline, starts the first induced draft fan, and the metal iron material enters the first installation pipeline through the built-in suction pipeline, and then enters the first filter box body, and nitrogen is discharged through the eighth installation pipeline at the outlet of the first induced draft fan, and the second valve on the outer surface of the feed installation pipeline is opened regularly, and the metal iron material enters the interior of the vacuum heating furnace through the feed installation pipeline for purification treatment, effectively removes impurities, is conducive to subsequent purification, and the pretreatment device and the vacuum heating furnace are integrated and linked, and the operation is convenient.

[0015] The present invention starts a nitrogen generator, and the nitrogen generated by the nitrogen generator enters the interior of the vacuum separation tank body. Then, the fourth valve on the second installation pipe is opened, and the second induced draft fan is started. The dust impurities in the vacuum separation tank body enter the first installation pipe through the built-in suction pipe, and then enter the interior of the second filter box body through the second installation pipe for filtration. The nitrogen is discharged through the ninth installation pipe, and the third valve on the outer surface of the eleventh installation pipe is opened regularly to discharge the impurities in the second filter box body through the eleventh installation pipe, thereby improving the impurity removal effect.

[0016] The present invention starts the second servo motor, and the output shaft of the second servo motor rotates with the rotating fixed mounting frame, and the rotating fixed mounting frame rotates with the multiple stirring mounting uprights, so that the multiple stirring mounting uprights stir the metal iron materials to be recycled, thereby increasing the fluidity of the materials. At the same time, the electromagnetic rod is started, and the electromagnetic rod has magnetism when energized, so that the metal iron materials are adsorbed on the electromagnetic rod, and other impurities are not adsorbed. The first servo motor is started to rotate forward and reverse, and the output shaft of the first servo motor rotates with the connecting mounting shaft rod, and the connecting mounting shaft rod drives the electromagnetic rod to reciprocate forward and reverse rotation, so that the electromagnetic rod can evenly adsorb the metal iron materials, thereby improving the separation effect of the metal iron materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a metal material recovery vacuum purification device provided by the present invention; Figure 2 A front view of a metal material recovery vacuum purification device provided by the present invention; Figure 3 A top view of a metal material recovery vacuum purification device provided by the present invention; Figure 4 A cross-sectional view of a vacuum separation tank of a metal material recovery and vacuum purification device provided by the present invention; Figure 5 A schematic diagram of the internal structure of a vacuum separation tank of a metal material recovery and vacuum purification device provided by the present invention; Figure 6 A schematic diagram of the internal structure of a first filter box of a metal material recovery vacuum purification device provided by the present invention.

[0018] Among them, 1. Install the workbench; 2. Vacuum separation tank; 3. Vacuum heating furnace; 4. First servo motor; 5. Connect the installation shaft; 6. Electromagnetic rod; 7. Second servo motor; 8. Rotate and fix the installation frame; 9. Stir the installation vertical plate; 10. First installation pipeline; 11. Built-in suction pipeline; 12. First filter box; 13. Fifth installation pipeline; 14. First induced draft fan; 15. Feed installation pipeline; 16. Second induced draft fan; 17. Second filter box; 18. Second installation pipeline; 19. Upper feed cylinder; 20. Vacuum pump; 21. Third installation pipeline; 22. Nitrogen generator; 23. Fourth installation pipeline; 24. First filter. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments 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.

[0020] Example: Figure 1-6 As shown, an embodiment of the present invention provides a metal material recovery vacuum purification device, including an installation workbench 1, a vacuum separation tank body 2 and a vacuum heating furnace 3 are fixedly installed on the upper surface of the installation workbench 1, an upper feed cylinder 19 is fixedly installed at the top center of the vacuum separation tank body 2, the bottom of the upper feed cylinder 19 is connected to the vacuum separation tank body 2, a sealing cover is arranged on the top of the upper feed cylinder 19, and a discharge pipe is arranged at the bottom of the vacuum heating furnace 3; A plurality of magnetic suction components are installed on the top of the vacuum separation tank body 2, and the magnetic suction components include a first servo motor 4 fixedly connected to the top of the vacuum separation tank body 2, the output shaft of the first servo motor 4 extends to the inside of the vacuum separation tank body 2 and is fixedly connected to a connecting and installing shaft rod 5, and an end of the connecting and installing shaft rod 5 away from the first servo motor 4 is fixedly connected to an electromagnetic rod 6, and the electromagnetic rod 6 is started, and the electromagnetic rod 6 is energized to have magnetism, and the metal iron material is adsorbed on the electromagnetic rod 6, and other impurities are not adsorbed, and the first servo motor 4 is started to rotate forward and reverse, and the output shaft of the first servo motor 4 rotates with the connecting and installing shaft rod 5, and the connecting and installing shaft rod 5 reciprocates with the electromagnetic rod 6 to rotate forward and reverse, so that the metal iron material can be evenly adsorbed on the electromagnetic rod 6; A stirring assembly is installed at the bottom of the vacuum separation tank body 2, and the stirring assembly includes a second servo motor 7 fixedly connected to the bottom of the vacuum separation tank body 2, the output shaft of the second servo motor 7 extends to the inside of the vacuum separation tank body 2 and is fixedly connected to a rotating fixed mounting frame 8, and a plurality of stirring mounting vertical plates 9 are fixedly connected to the upper surface of the rotating fixed mounting frame 8. When the second servo motor 7 is started, the output shaft of the second servo motor 7 rotates with the rotating fixed mounting frame 8, and the rotating fixed mounting frame 8 rotates with the plurality of stirring mounting vertical plates 9, so that the plurality of stirring mounting vertical plates 9 stir the metal iron material to be recycled; A vacuum assembly and an air charging assembly are installed on the side wall of the vacuum separation tank body 2. The vacuum assembly includes a vacuum pump 20 fixedly connected to the upper surface of the installation workbench 1. The inlet of the vacuum pump 20 is fixedly connected to a third installation pipeline 21. One end of the third installation pipeline 21 away from the vacuum pump 20 is fixedly connected to the vacuum separation tank body 2. The outlet of the vacuum pump 20 is fixedly connected to the sixth installation pipeline. When the vacuum pump 20 is turned on, the vacuum pump 20 extracts air inside the vacuum separation tank body 2 through the third installation pipeline 21, so that the inside of the vacuum separation tank body 2 becomes a vacuum state. The air charging assembly includes a nitrogen generator 22 fixedly connected to the upper surface of the installation workbench 1. The inlet of the nitrogen generator 22 is fixedly connected to the seventh installation pipeline. The outlet of the nitrogen generator 22 is fixedly connected to the fourth installation pipeline 23. One end of the fourth installation pipeline 23 away from the nitrogen generator 22 is fixedly connected to the vacuum separation tank body 2. When the nitrogen generator 22 is started, the nitrogen generated by the nitrogen generator 22 enters the interior of the vacuum separation tank body 2 to break the vacuum state inside the vacuum separation tank body 2. A first installation pipe 10 is fixedly connected to the top of the vacuum separation tank body 2, and one end of the first installation pipe 10 is fixedly connected to a built-in suction pipe 11, which is located inside the vacuum separation tank body 2, and the other end of the first installation pipe 10 is fixedly connected to a first extraction assembly, and the first extraction assembly includes a first induced draft fan 14 fixedly connected to the top of the vacuum heating furnace 3, and the inlet of the first induced draft fan 14 is fixedly connected to a fifth installation pipe 13, and the end of the fifth installation pipe 13 away from the first induced draft fan 14 is fixedly connected to a first filter box 12, and the side of the first filter box 12 away from the fifth installation pipe 13 is fixedly connected to one end of the first installation pipe 10, and the interior of the first filter box 12 is fixedly connected to a first filter screen 24, and the bottom of the first filter box 12 is fixedly connected to a feed installation pipe 15, and the feed installation pipe 15 is away from the first filter box One end of the body 12 is fixedly connected to the top of the vacuum heating furnace 3, the outlet of the first induced draft fan 14 is fixedly connected to the eighth installation pipeline, the outer surface of the first installation pipeline 10 is installed with a first valve, the outer surface of the feed installation pipeline 15 is installed with a second valve, the electromagnetic rod 6 is closed, the electromagnetic rod 6 is powered off and loses its magnetism, so that the metal iron material is no longer adsorbed on the electromagnetic rod 6, and at the same time, the fourth valve on the second installation pipeline 18 is closed, the first valve on the outer surface of the first installation pipeline 10 is opened, the first induced draft fan 14 is started, the metal iron material enters the first installation pipeline 10 through the built-in suction pipeline 11, and then enters the first filter box 12, the nitrogen is discharged through the eighth installation pipeline at the outlet of the first induced draft fan 14, the second valve on the outer surface of the feed installation pipeline 15 is opened regularly, and the metal iron material enters the interior of the vacuum heating furnace 3 through the feed installation pipeline 15 for purification treatment; The outer surface of the first installation pipeline 10 is connected to a second extraction component, and the second extraction component includes a second induced draft fan 16 fixedly connected to the upper surface of the installation workbench 1, the outlet of the second induced draft fan 16 is fixedly connected to a ninth installation pipeline, the inlet of the second induced draft fan 16 is fixedly connected to a tenth installation pipeline, the end of the tenth installation pipeline away from the second induced draft fan 16 is fixedly connected to a second filter box 17, the interior of the second filter box 17 is fixedly connected to a second filter screen, the bottom of the second filter box 17 is fixedly connected to an eleventh installation pipeline, a third valve is installed on the outer surface of the eleventh installation pipeline, and the side of the second filter box 17 away from the tenth installation pipeline is fixedly connected There is a second installation pipe 18, one end of the second installation pipe 18 away from the second filter box 17 is fixedly connected to the first installation pipe 10, and a fourth valve is installed on the outer surface of the second installation pipe 18. The fourth valve on the second installation pipe 18 is opened, and the second induced draft fan 16 is started. The dust impurities inside the vacuum separation tank body 2 enter the first installation pipe 10 through the built-in suction pipe 11, and then enter the second filter box 17 through the second installation pipe 18 for filtration. Nitrogen is discharged through the ninth installation pipe. The third valve on the outer surface of the eleventh installation pipe is opened regularly to discharge impurities inside the second filter box 17 through the eleventh installation pipe.

[0021] Working principle: When in use, open the sealing cover on the top of the upper feed cylinder 19, put the metal iron material to be recycled into the upper feed cylinder 19, and the metal iron material enters the interior of the vacuum separation tank 2 through the upper feed cylinder 19, and then cover the sealing cover, turn on the vacuum pump 20, and the vacuum pump 20 extracts the air inside the vacuum separation tank 2 through the third installation pipeline 21, so that the interior of the vacuum separation tank 2 becomes a vacuum state, and then start the second servo motor 7, the output shaft of the second servo motor 7 rotates with the rotating fixed mounting frame 8, and the rotating The fixed mounting frame 8 rotates with the plurality of stirring mounting upright plates 9, so that the plurality of stirring mounting upright plates 9 stir the metal iron material to be recycled to increase the fluidity of the material, and at the same time, the electromagnetic rod 6 is started. The electromagnetic rod 6 is energized and has magnetism, and the metal iron material is adsorbed on the electromagnetic rod 6, while other impurities are not adsorbed, and the first servo motor 4 is started to rotate forward and reversely, and the output shaft of the first servo motor 4 rotates with the connecting mounting shaft rod 5, and the connecting mounting shaft rod 5 reciprocates with the electromagnetic rod 6 to rotate forward and reversely, so that the metal iron material can be evenly adsorbed on the electromagnetic rod 6; After the adsorption of the metallic iron material is completed, the nitrogen generator 22 is started, and the nitrogen generated by the nitrogen generator 22 enters the interior of the vacuum separation tank body 2, and then the fourth valve on the second installation pipeline 18 is opened, and the second induced draft fan 16 is started, and the dust impurities inside the vacuum separation tank body 2 enter the first installation pipeline 10 through the built-in suction pipeline 11, and then enter the interior of the second filter box 17 through the second installation pipeline 18 for filtration, and the nitrogen is discharged through the ninth installation pipeline, and the third valve on the outer surface of the eleventh installation pipeline is opened regularly to discharge the impurities inside the second filter box 17 through the eleventh installation pipeline; After the impurities are separated, the electromagnetic rod 6 is closed, the electromagnetic rod 6 is powered off and loses its magnetism, so that the metallic iron material is no longer adsorbed on the electromagnetic rod 6, and at the same time, the fourth valve on the second installation pipe 18 is closed, the first valve on the outer surface of the first installation pipe 10 is opened, and the first induced draft fan 14 is started. The metallic iron material enters the first installation pipe 10 through the built-in suction pipe 11, and then enters the first filter box 12. Nitrogen is discharged through the eighth installation pipe at the outlet of the first induced draft fan 14. The second valve on the outer surface of the feed installation pipe 15 is opened regularly, and the metallic iron material enters the interior of the vacuum heating furnace 3 through the feed installation pipe 15 for purification.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprising a reference structure" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum purification device for metal material recovery, comprising a workbench (1) for installation, characterized in that: A vacuum separation tank body (2) and a vacuum heating furnace (3) are fixedly mounted on the upper surface of the mounting workbench (1); a plurality of magnetic suction components are mounted on the top of the vacuum separation tank body (2); a stirring component is mounted on the bottom of the vacuum separation tank body (2); a vacuum pumping component and an air charging component are mounted on the side wall of the vacuum separation tank body (2); a first mounting pipe (10) is fixedly connected to the top of the vacuum separation tank body (2); one end of the first mounting pipe (10) is fixedly connected to a built-in suction pipe (11); the built-in suction pipe (11) is located inside the vacuum separation tank body (2); the other end of the first mounting pipe (10) is fixedly connected to a first suction component; and the outer surface of the first mounting pipe (10) is connected to a second suction component.

2. A metal material recovery vacuum purification equipment according to claim 1, characterized in that: The magnetic attraction assembly comprises a first servo motor (4) fixedly connected to the top of the vacuum separation tank body (2); an output shaft of the first servo motor (4) extends into the interior of the vacuum separation tank body (2) and is fixedly connected to a connecting and mounting shaft rod (5); an end of the connecting and mounting shaft rod (5) away from the first servo motor (4) is fixedly connected to an electromagnetic rod (6).

3. A metal material recovery vacuum purification equipment according to claim 1, characterized in that: The stirring assembly comprises a second servo motor (7) fixedly connected to the bottom of the vacuum separation tank body (2), the output shaft of the second servo motor (7) extending into the interior of the vacuum separation tank body (2) and fixedly connected to a rotating fixed mounting frame (8), and a plurality of stirring mounting vertical plates (9) fixedly connected to the upper surface of the rotating fixed mounting frame (8).

4. A metal material recovery vacuum purification equipment according to claim 1, characterized in that: The vacuum pump assembly comprises a vacuum pump (20) fixedly connected to the upper surface of the mounting workbench (1); the inlet of the vacuum pump (20) is fixedly connected to a third mounting pipe (21); an end of the third mounting pipe (21) away from the vacuum pump (20) is fixedly connected to a vacuum separation tank body (2); and the outlet of the vacuum pump (20) is fixedly connected to a sixth mounting pipe.

5. The metal material recovery vacuum purification equipment according to claim 1, characterized in that: The inflation assembly comprises a nitrogen generator (22) fixedly connected to the upper surface of the installation workbench (1), the inlet of the nitrogen generator (22) being fixedly connected to a seventh installation pipeline, the outlet of the nitrogen generator (22) being fixedly connected to a fourth installation pipeline (23), and the end of the fourth installation pipeline (23) away from the nitrogen generator (22) being fixedly connected to the vacuum separation tank body (2).

6. The metal material recovery vacuum purification equipment according to claim 1, characterized in that: The first extraction assembly comprises a first induced draft fan (14) fixedly connected to the top of the vacuum heating furnace (3); the inlet of the first induced draft fan (14) is fixedly connected to a fifth installation pipe (13); one end of the fifth installation pipe (13) away from the first induced draft fan (14) is fixedly connected to a first filter box (12); a side of the first filter box (12) away from the fifth installation pipe (13) is fixedly connected to one end of the first installation pipe (10); a first filter screen (24) is fixedly connected inside the first filter box (12); a feed installation pipe (15) is fixedly connected to the bottom of the first filter box (12); one end of the feed installation pipe (15) away from the first filter box (12) is fixedly connected to the top of the vacuum heating furnace (3); the outlet of the first induced draft fan (14) is fixedly connected to an eighth installation pipe; a first valve is installed on the outer surface of the first installation pipe (10); and a second valve is installed on the outer surface of the feed installation pipe (15).

7. The metal material recovery vacuum purification equipment according to claim 1, characterized in that: The second extraction assembly comprises a second induced draft fan (16) fixedly connected to the upper surface of the installation workbench (1), the outlet of the second induced draft fan (16) is fixedly connected to a ninth installation pipe, the inlet of the second induced draft fan (16) is fixedly connected to a tenth installation pipe, the end of the tenth installation pipe away from the second induced draft fan (16) is fixedly connected to a second filter box (17), the interior of the second filter box (17) is fixedly connected to a second filter screen, the bottom of the second filter box (17) is fixedly connected to an eleventh installation pipe, the outer surface of the eleventh installation pipe is installed with a third valve, the side of the second filter box (17) away from the tenth installation pipe is fixedly connected to a second installation pipe (18), the end of the second installation pipe (18) away from the second filter box (17) is fixedly connected to the first installation pipe (10), and the outer surface of the second installation pipe (18) is installed with a fourth valve.

8. The metal material recovery vacuum purification equipment according to claim 1, characterized in that: An upper feed cylinder (19) is fixedly mounted at the center of the top of the vacuum separation tank (2); the bottom of the upper feed cylinder (19) is in communication with the vacuum separation tank (2); and a sealing cover is disposed on the top of the upper feed cylinder (19).

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