CN219995870U

CN219995870U - Vacuum pyrometallurgy furnace

Info

Publication number: CN219995870U
Application number: CN202321071551.8U
Authority: CN
Inventors: 王红旺; 李国红; 甄伟
Original assignee: Jiayuguan Chuang Neng Renewable Resources Co ltd
Current assignee: Jiayuguan Chuang Neng Renewable Resources Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-11-10
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a vacuum pyrometallurgical furnace, which comprises two support plates, wherein an outer heat-preserving shell is rotatably arranged between the two support plates, an outer heat-preserving shell cover plate is hinged to the upper surface of the outer heat-preserving shell, a smelting furnace main body is arranged in the outer heat-preserving shell, the upper surface of the smelting furnace main body is fixed with a smelting furnace cover plate through bolts, and a material conveying opening is formed in the upper surface of the smelting furnace cover plate; this device is through setting up devices such as drive assembly, lifting unit, utilize biax servo motor drive lifting unit to drive smelting furnace main part displacement, when the smelting furnace main part is located initial state, its focus is off-set, this device can not take place askew, when the smelting furnace main part rises, its focus shifts up, operating personnel can be with the melting material in the smelting furnace main part completely pour from the delivery port through the handle of lifting outer heat preservation shell easily, through lifting delivery port height, the possibility that the melting material falls into in the device has been avoided, the practicality and the security of this device have been strengthened widely.

Description

Vacuum pyrometallurgy furnace

Technical Field

The utility model relates to the technical field of smelting furnaces, in particular to a vacuum pyrometallurgy furnace.

Background

The regenerated zinc is zinc alloy or zinc metal obtained by remelting and refining waste aluminum and waste zinc alloy materials or zinc-containing waste materials, and is an important source of metallic zinc. The yield of the regenerated zinc is mainly divided into new waste and old waste according to raw material sources. The zinc waste is generated in the smelting and processing process and mainly comprises zinc slag, ash, leftover materials, zinc slag of a lead and copper smelting system and the like from the zinc plating industry, copper material factories, zinc die casting operation, zinc material processing industry and battery production industry; in the melting and refining process, a smelting furnace device is often used, and after smelting is finished, the existing smelting furnace device often has insufficient pouring liquid, and molten materials after smelting are left in the smelting furnace.

For example, publication number CN214747184U discloses a high temperature vacuum furnace for copper smelting, which comprises a box body, the both ends on box top all welded connection has the support column, install the furnace body between two support columns, the one end welded connection of furnace body has first connecting axle, the other end welded connection of furnace body has the second connecting axle, the outside of second connecting axle one end just is located the inside of one of them support column and has cup jointed the bearing, the one end welded connection of one of them support column has the connection ring, the carousel has been cup jointed in the outside of connection ring, the upper end welded connection of carousel has the handle, resistance wire is installed to the inboard of furnace body inner wall, the inside welded connection of furnace body has the swash plate. For example, chinese patent publication No. CN111426191a discloses a smelting furnace, which comprises a furnace body with an opening, a supporting platform supported under the furnace body, a rotating device, a magnetron and a furnace cover, wherein the inner side of the wall surface of the furnace body is provided with a crucible layer, the magnetron is embedded in the crucible layer, the furnace cover is detachably covered on the opening, the edge of the bottom of the furnace body is hinged with one side of the supporting platform through a first pin shaft, and the rotating device is used for driving the furnace body to rotate around the first pin shaft. The smelting furnace provided by the embodiment of the utility model has the advantage of saving manpower.

This patent suffers from several drawbacks in use, such as: the edge of the bottom of the furnace body of the device is hinged with one side of the supporting platform through a first pin shaft, and then the furnace body is directly driven by the stepping motor through a rotating shaft to rotate by taking the first pin shaft as a circle center, and the rotating shaft is not coaxially connected with the first pin shaft, so that molten materials in the furnace body cannot fall completely; in addition, when the device pours the molten material in the furnace, the flow of the molten material is inconvenient to control, and the flow of the molten material gush out is too large, so that the molten material is easy to splash out of the collecting device and has potential safety hazards. In view of this, we propose a vacuum pyrometallurgical furnace.

Disclosure of Invention

The utility model aims to solve the defects of the technology and designs a vacuum pyrometallurgical furnace.

The utility model relates to a vacuum pyrometallurgical furnace, which comprises:

the smelting furnace comprises two supporting plates, wherein an outer heat preservation shell is rotatably arranged between the two supporting plates, an outer heat preservation shell cover plate is hinged to the upper surface of the outer heat preservation shell, a smelting furnace main body is arranged in the outer heat preservation shell, the upper surface of the smelting furnace main body is fixedly provided with a smelting furnace cover plate through bolts, a material conveying opening is formed in the upper surface of the smelting furnace cover plate, and a discharging sealing cover is arranged at the opening of the material conveying opening;

the limiting component is positioned on the smelting furnace cover plate and used for limiting the displacement of the discharging sealing cover;

the electric heating ring is sleeved on the outer surface wall of the smelting furnace main body, the control end of the electric heating ring penetrates through the outer heat-preserving shell and extends to the outside, and a protective cover is fixedly arranged on the lower surface of the outer heat-preserving shell;

the lifting assembly is positioned in the outer heat-preserving shell and used for driving the smelting furnace main body to move in the outer heat-preserving shell.

Further, the spacing subassembly includes:

the two limiting blocks are fixedly arranged on the upper surface of the smelting furnace cover plate and located on two sides of the material conveying opening, a plurality of limiting holes which are distributed linearly at equal intervals are formed in the upper surfaces of the two limiting blocks, scale marks are arranged on the upper surfaces of the two limiting blocks, a plug rod which is of a U-shaped structure is arranged between the two limiting blocks, and two ends of the plug rod are respectively inserted into the corresponding limiting holes.

Further, the lifting assembly includes:

the two sliding grooves are symmetrically formed in the inner wall of the outer heat-insulating shell;

the two screw rods are respectively positioned in the two sliding grooves, the two screw rods are respectively connected with a threaded block in a threaded manner, one end of each threaded block is fixedly connected with the outer surface wall of the smelting furnace main body, the other end of each threaded block is respectively extended into the corresponding sliding groove, and one end of each threaded block is in sliding fit with the corresponding sliding groove;

the driving assembly is positioned between the outer heat insulation shell and the protective cover and used for driving the two screw rods to rotate.

Further, the driving assembly includes:

the double-shaft servo motor is fixedly arranged on the lower surface of the outer heat-insulating shell, the double-shaft servo motor is located between the outer heat-insulating shell and the protective cover, two output shafts on the double-shaft servo motor are coaxially connected with connecting rods, two connecting rods are fixedly arranged at the other ends of the connecting rods, two screw rods penetrate through the bottom ends of two sliding grooves respectively and extend to the inside of the protective cover, two screw rods are coaxially fixedly arranged at the lower ends of the screw rods, and the two screw rods are meshed with two second conical gears respectively.

Further, the bottom ends of the two screw rods are rotationally connected with the protective cover, and the screw rods are rotationally connected with the sliding grooves and the outer heat-insulating shell.

Further, a plurality of evenly distributed radiating meshes are formed in the circumferential outer surface of the protective cover.

Further, an aluminum silicate needled blanket inner container is arranged between the outer heat-preserving shell and the smelting furnace main body, and the aluminum silicate needled blanket inner container is fixedly connected with the inner surface wall of the outer heat-preserving shell.

According to the vacuum pyrometallurgical smelting furnace designed by the utility model, by arranging the driving assembly, the lifting assembly and other devices, the double-shaft servo motor is used for driving the connecting rod to rotate, the connecting rod drives the second conical gears to rotate, the two second conical gears are meshed with the two first conical gears for transmission, the first conical gears drive the screw rod to rotate, so that the lifting of the main body of the smelting furnace in the outer heat insulation shell is realized, when the main body of the smelting furnace is in an initial state, the gravity center of the main body of the smelting furnace is deflected, when the main body of the smelting furnace rises, the gravity center of the main body of the smelting furnace moves upwards, an operator can easily completely pour molten materials in the main body of the smelting furnace from the material conveying hole by lifting the height of the material conveying hole, the possibility that the molten materials fall into the device is avoided, and the practicability and the safety of the device are greatly enhanced;

according to the vacuum pyrometallurgical smelting furnace designed by the utility model, when the discharging sealing cover slides between the two limiting blocks, the position of the discharging sealing cover at the material conveying opening part is adjusted according to the scale marks, meanwhile, the position of the inserted link in the limiting hole is changed, the position of the discharging sealing cover is limited by the inserted link, and then the size of the material conveying opening is controlled, so that the size of the pouring flow of the melted material can be controlled, the phenomenon that the discharged melted material splashes out of the collecting device to cause resource waste is avoided, and the potential safety hazard is eliminated.

Drawings

Fig. 1 is a schematic overall structure of embodiment 1 (with the cover plate of the outer insulation case closed);

fig. 2 is a schematic overall structure of embodiment 1 (with the cover plate of the outer insulation case opened);

FIG. 3 is a cross-sectional view of the whole structure of embodiment 1;

fig. 4 is a schematic structural view of the outer insulation case of embodiment 1;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3A;

FIG. 6 is an enlarged schematic view of the structure of FIG. 3B;

fig. 7 is a schematic structural view of the shield of embodiment 1;

FIG. 8 is an exploded view of the cover plate, stopper and discharge cover of the smelting furnace of example 1.

In the figure: 1. an outer insulation shell; 2. an outer heat-insulating shell cover plate; 3. a support plate; 4. a protective cover; 5. radiating meshes; 6. a limiting hole; 7. discharging and sealing; 8. a screw rod; 9. a screw block; 10. a chute; 11. scale marks; 12. a rod; 13. a first bevel gear; 14. a second bevel gear; 15. a connecting rod; 16. a biaxial servo motor; 17. an electric heating ring; 18. needling aluminum silicate into the blanket inner container; 19. a smelting furnace main body; 20. a cover plate of the smelting furnace; 21. a material conveying port; 22. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

Example 1:

as shown in fig. 1 to 8, a vacuum pyrometallurgical furnace according to the present embodiment includes:

the two support plates 3, the outer heat preservation shell 1 is rotatably arranged between the two support plates 3, the outer heat preservation shell cover plate 2 is hinged to the upper surface of the outer heat preservation shell 1, the smelting furnace main body 19 is arranged in the outer heat preservation shell 1, the smelting furnace cover plate 20 is fixed to the upper surface of the smelting furnace main body 19 through bolts, the material conveying opening 21 is formed in the upper surface of the smelting furnace cover plate 20, and the discharging sealing cover 7 is arranged at the opening of the material conveying opening 21;

the limiting component is positioned on the smelting furnace cover plate 20 and used for limiting the displacement of the discharging sealing cover 7;

the electric heating ring 17 is sleeved on the outer surface wall of the smelting furnace main body 19, the control end of the electric heating ring 17 penetrates through the outer heat preservation shell 1 and extends to the outside, and the protective cover 4 is fixedly arranged on the lower surface of the outer heat preservation shell 1;

the lifting assembly is positioned in the outer heat-preserving shell 1 and used for driving the smelting furnace main body 19 to move in the outer heat-preserving shell 1.

In one embodiment, the spacing assembly comprises:

the two limiting blocks 22 are fixedly arranged on the upper surface of the smelting furnace cover plate 20 and located on two sides of the material conveying opening 21, a plurality of limiting holes 6 which are distributed linearly at equal intervals are formed in the upper surface of the two limiting blocks 22, scale marks 11 are arranged on the upper surface of the two limiting blocks 22, a plug rod 12 which is of a U-shaped structure is arranged between the two limiting blocks 22, and two ends of the plug rod 12 are respectively inserted into the corresponding limiting holes 6.

Specifically, the protrusions at the two ends of the discharging sealing cover 7 are in sliding fit with the grooves at the inner sides of the two limiting blocks 22.

In this embodiment, the sliding position of the discharging cover 7 is limited by the insert rod 12, so that the discharging cover 7 does not slide downwards when molten materials are poured, and meanwhile, the size of the outflow flow of the molten materials is controlled by observing the positions of the insert rod 12 and the scale marks 11, so that the molten materials flowing out are prevented from splashing outside the collecting device, the resource waste is caused, and the potential safety hazard is eliminated.

In one embodiment, the lifting assembly comprises:

the two sliding grooves 10 are symmetrically formed on the inner wall of the outer heat-insulating shell 1;

the two screw rods 8 are respectively positioned in the two sliding grooves 10, the screw rods 8 are respectively connected with a screw thread block 9 in a threaded manner, one end of each screw thread block 9 is fixedly connected with the outer surface wall of the smelting furnace main body 19, the other end of each screw thread block 9 is respectively extended into the corresponding sliding groove 10, and one end of each screw thread block 9 is in sliding fit with the corresponding sliding groove 10;

the driving component is positioned between the outer heat insulation shell 1 and the protective cover 4 and is used for driving the two screw rods 8 to rotate.

Specifically, smelting furnace main part 19 is connected with two lead screws 8 through two screw thread pieces 9, and when drive assembly moved, two lead screws 8 rotated under drive assembly's drive, and under the effect of screw thread, two screw thread pieces 9 can be along the direction of two lead screws 8 displacement.

In this embodiment, the smelting furnace main body 19 is fixed between two screw rods 8 through two screw blocks 9, and the smelting furnace main body 19 is suspended in the outer heat insulation shell 1 and is not in contact with the inner wall of the outer heat insulation shell 1, so that when the electric heating ring 17 heats the smelting furnace main body 19, heat emitted by the smelting furnace main body 19 cannot escape to the outside through the outer heat insulation shell 1, and the heat melting efficiency of the smelting furnace main body 19 is improved.

In one embodiment, the drive assembly includes:

the double-shaft servo motor 16, double-shaft servo motor 16 fixed mounting is in the lower surface of outer heat preservation shell 1, double-shaft servo motor 16 is located between outer heat preservation shell 1 and the protection casing 4, two output shafts on the double-shaft servo motor 16 all coaxial coupling has connecting rod 15, the other end of two connecting rods 15 all is fixed with second bevel gear 14, the bottom of two lead screws 8 runs through the bottom of two spouts 10 respectively and extends to the inside of protection casing 4, the lower extreme of two lead screws 8 all coaxial coupling has first bevel gear 13, two first bevel gear 13 respectively with two second bevel gear 14 meshing.

Specifically, when two output shafts on the double-shaft servo motor 16 rotate, the connecting rod 15 correspondingly connected with the two output shafts can be driven to rotate, the second bevel gears 14 correspondingly connected with the two connecting rods 15 simultaneously rotate, the two second bevel gears 14 respectively drive the first bevel gears 13 correspondingly meshed with the two second bevel gears to rotate, the two first bevel gears 13 respectively drive the two screw rods 8 to rotate, the two thread blocks 9 on the two screw rods 8 displace along the directions of the two screw rods 8 under the action of threads, and then the up-down displacement of the smelting furnace main body 19 inside the outer heat preservation shell 1 is realized.

In the embodiment, the displacement of the smelting furnace main body 19 in the outer heat insulation shell 1 is realized by driving the double-shaft servo motor 16, so that the working efficiency is greatly improved.

In one embodiment, the bottom ends of the two screw rods 8 are rotatably connected with the protective cover 4, and the screw rods 8 are rotatably connected with the sliding grooves 10 and the outer heat-insulating shell 1.

Specifically, the screw rod 8 rotates in the chute 10, and the bottom end of the screw rod 8 rotates on the upper surface of the protective cover 4.

In the embodiment, the protection cover 4 plays a supporting role on the two screw rods 8, and prevents the two screw rods 8 from sliding out of the outer heat insulation shell 1.

In one embodiment, the circumferential outer surface of the protective cover 4 is provided with a plurality of evenly distributed heat dissipation meshes 5.

In this embodiment, the round hole has been seted up to the upper surface of protection casing 4 to make things convenient for the heat dissipation of biax servo motor 16, a plurality of heat dissipation mesh 5 assist the heat dissipation, make the internal environment that forms a ventilation of protection casing 4, avoid biax servo motor 16 to be influenced by the high temperature in the smelting process, thereby influence work efficiency.

In one embodiment, an aluminum silicate needled blanket inner container 18 is arranged between the outer heat preservation shell 1 and the smelting furnace main body 19, and the aluminum silicate needled blanket inner container 18 is fixedly connected with the inner surface wall of the outer heat preservation shell 1.

Specifically, the aluminum silicate needled blanket inner container 18 is tightly attached to the inner surface wall of the outer insulation shell 1, and a through groove capable of accommodating displacement of the two thread blocks 9 is formed in the aluminum silicate needled blanket inner container 18.

In this embodiment, the aluminum silicate needled blanket inner container 18 has good extensibility, is convenient to fix on the inner surface wall of the outer insulation shell 1, has light weight, can reduce the mass of the device, is convenient for operators to rotate the outer insulation shell 1, and mainly has excellent heat insulation performance, strong stability and fire resistance, can effectively protect heat in the outer insulation shell 1 from being dissipated to the outside, and greatly enhances the structural stability and safety of the device.

When the vacuum pyrometallurgical furnace is used, an operator opens the outer heat-preserving shell cover plate 2 through a handle on the outer heat-preserving shell cover plate 2, then pulls the discharging sealing cover 7 to expose the material conveying opening 21, adds waste aluminum and waste zinc alloy materials or zinc-containing waste materials into the main furnace body 19 from the opening of the material conveying opening 21, closes the discharging sealing cover 7, closes the outer heat-preserving shell cover plate 2 again and starts the electric heating ring 17, the electric heating ring 17 works as the main furnace body 19 for heating, melts various waste aluminum and waste zinc alloy materials or zinc-containing waste materials of the main furnace body 19, simultaneously heat generated by the electric heating ring 17 can be swayed in the inner cavity of the outer heat-preserving shell 1 to heat the main furnace body 19 in a heat-preserving and bath mode, enhances the hot melting efficiency of the main furnace body 19, opens the outer heat-preserving shell cover plate 2 after materials such as zinc-containing waste materials are melted, and pulls the discharging sealing cover 7, the size of the opening of the material conveying opening 21 is changed through different positions of the inserted link 12 on the limiting hole 6, at the moment, the double-shaft servo motor 16 is started, the double-shaft servo motor 16 drives the connecting rod 15 to rotate, the connecting rod 15 drives the second bevel gears 14 to rotate, the first bevel gears 13 drive the screw rods 8 to rotate through meshed transmission of the two second bevel gears 14 and the two first bevel gears 13, then the lifting of the smelting furnace main body 19 in the outer heat preservation shell 1 is realized, when the smelting furnace main body 19 is in an initial state, the gravity center of the smelting furnace main body 19 is deviated, the device cannot skew, when the smelting furnace main body 19 is lifted, an operator can easily pour molten materials in the smelting furnace main body 19 from the material conveying opening 21 completely by lifting the grip of the outer heat preservation shell 1, the possibility that the molten materials fall into the device is avoided by lifting the height of the material conveying opening 21, the practicality and the security of this device have been strengthened greatly.

The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.

Claims

1. A vacuum pyrometallurgical furnace, comprising:

the smelting furnace comprises two supporting plates (3), wherein an outer heat-preserving shell (1) is rotatably installed between the two supporting plates (3), an outer heat-preserving shell cover plate (2) is hinged to the upper surface of the outer heat-preserving shell (1), a smelting furnace main body (19) is arranged in the outer heat-preserving shell (1), a smelting furnace cover plate (20) is fixed to the upper surface of the smelting furnace main body (19) through bolts, a material conveying opening (21) is formed in the upper surface of the smelting furnace cover plate (20), and a discharging sealing cover (7) is arranged at the opening of the material conveying opening (21);

the limiting component is positioned on the smelting furnace cover plate (20) and used for limiting the displacement of the discharging sealing cover (7);

the electric heating ring (17), the electric heating ring (17) is sleeved and mounted on the outer surface wall of the smelting furnace main body (19), the control end of the electric heating ring (17) penetrates through the outer heat preservation shell (1) and extends to the outside, and a protective cover (4) is fixedly mounted on the lower surface of the outer heat preservation shell (1);

the lifting assembly is positioned in the outer heat-preserving shell (1) and used for driving the smelting furnace main body (19) to move in the outer heat-preserving shell (1).

2. A vacuum pyrometallurgical furnace according to claim 1, wherein the limiting assembly comprises:

the two limiting blocks (22), two limiting blocks (22) are fixedly mounted on the upper surface of the smelting furnace cover plate (20) and located on two sides of the material conveying opening (21), a plurality of limiting holes (6) which are distributed linearly at equal intervals are formed in the upper surfaces of the two limiting blocks (22), scale marks (11) are formed in the upper surfaces of the two limiting blocks (22), an inserting rod (12) which is of a U-shaped structure is arranged between the two limiting blocks (22), and two ends of the inserting rod (12) are respectively inserted into the corresponding limiting holes (6).

3. A vacuum pyrometallurgical furnace according to claim 1, wherein the lifting assembly comprises:

the two sliding grooves (10) are symmetrically formed in the inner wall of the outer heat-insulating shell (1);

the two screw rods (8), the two screw rods (8) are respectively positioned in the two sliding grooves (10), the screw rods (8) are respectively connected with screw blocks (9) in a threaded manner, one ends of the screw blocks (9) are respectively fixedly connected with the outer surface wall of the smelting furnace main body (19), the other ends of the screw blocks are respectively extended into the corresponding sliding grooves (10), and one ends of the screw blocks (9) are in sliding fit with the sliding grooves (10);

the driving assembly is positioned between the outer heat insulation shell (1) and the protective cover (4) and is used for driving the two screw rods (8) to rotate.

4. A vacuum pyrometallurgical furnace according to claim 3, wherein the drive assembly comprises:

the double-shaft servo motor (16), double-shaft servo motor (16) fixed mounting is in the lower surface of outer heat preservation shell (1), double-shaft servo motor (16) are located between outer heat preservation shell (1) and protection casing (4), two output shafts on double-shaft servo motor (16) all coaxial coupling have connecting rod (15), two the other end of connecting rod (15) all is fixed with second bevel gear (14), two the bottom of lead screw (8) runs through the bottom of two spouts (10) respectively and extends to the inside of protection casing (4), two the equal coaxial fastening of lower extreme of lead screw (8) has first bevel gear (13), two first bevel gear (13) respectively with two second bevel gear (14) meshing.

5. Vacuum pyrometallurgical furnace according to claim 4, characterized in that the bottom ends of two screw rods (8) are rotatably connected with the protective cover (4), the screw rods (8) are rotatably connected with the chute (10) and the outer heat insulation shell (1).

6. Vacuum pyrometallurgical furnace according to claim 1, characterized in that the circumferential outer surface of the protective cover (4) is provided with a number of evenly distributed heat dissipation meshes (5).

7. Vacuum pyrometallurgical furnace according to claim 1, characterized in that an aluminium silicate needled blanket inner container (18) is arranged between the outer heat-preserving shell (1) and the main furnace body (19), and the aluminium silicate needled blanket inner container (18) is fixedly connected with the inner surface wall of the outer heat-preserving shell (1).