Bismuth refining tellurium removal device

Abstract

The utility model relates to the technical field of tellurium removal of refined bismuth, in particular to a tellurium removal device for bismuth refining, which comprises a tellurium removal pot erected on an external pot platform through a support plate. A sealing cover plate is detachably fixed on the tellurium removal pot, a stirring device and a disturbing device are fixed on the sealing cover plate, a feeding hole is formed in the front side of the stirring device, a negative pressure smoke exhaust pipeline is arranged on the rear side of the stirring device, the feeding hole is formed in the sealing cover plate, the negative pressure smoke exhaust pipeline is fixed on the sealing cover plate, and the stirring device and the disturbing device are fixed on the sealing cover plate. And the input end of the smoke exhaust pipeline extends into the tellurium removal pot. The tellurium removal device for bismuth refining is high in tellurium removal efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bismuth refining tellurium removal technical field, especially in bismuth refining tellurium removal device. BACKGROUND

[0002] The last procedure of bismuth production is tellurium removal operation, currently, 3 bags of flake alkali are added each time, manual stirring is carried out for 20 minutes, and slag is salvaged once, and the production cycle is long each time, not only the labor intensity of workers is big, but also the reaction of flake alkali and tellurium is not thorough, effective tellurium removal effect cannot be reached, because the content of tellurium in liquid is high, the tellurium removal cycle is as long as 50 hours, the production cycle of bismuth is seriously affected, and the production efficiency is low. UTILITY MODEL CONTENT

[0003] The utility model discloses a bismuth refining tellurium removal device, and its tellurium removal efficiency is high.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A bismuth refining tellurium removal device, including tellurium removal pot, the tellurium removal pot is supported on the external pot table through the support plate;

[0006] A sealing cover plate is detachably fixed on the tellurium removal pot, a stirring device and a disturbance device are fixed on the sealing cover plate, a feeding port is arranged on the front side of the stirring device, and a negative pressure smoke exhaust pipeline is arranged on the rear side of the stirring device, the feeding port is arranged on the sealing cover plate, the negative pressure smoke exhaust pipeline is fixed on the sealing cover plate, and the input end of the smoke exhaust pipeline extends to the inside of the tellurium removal pot;

[0007] The disturbance device includes a first telescopic cylinder and a second telescopic cylinder symmetrically arranged with the first telescopic cylinder, the first telescopic cylinder and the second telescopic cylinder are both fixed vertically downwards on the sealing cover plate, a supporting ring is fixed on the piston rod of the first telescopic cylinder and the second telescopic cylinder, a plurality of connecting rods are uniformly distributed on the supporting ring, and a spoiler is fixed on the bottom end of the connecting rod.

[0008] As an improvement, the stirring device includes a door type support frame, the door type support frame is fixed vertically downwards on the sealing cover plate, a stirring motor is fixed vertically downwards on the top of the door type support frame, the stirring motor is connected with a speed reducer, the speed reducer is fixed in the inside of the door type support frame, a stirring rod is fixed on the rotor of the speed reducer, and a plurality of stirring vanes are fixed on the stirring rod.

[0009] As an improvement, two transfer butt rings are arranged on the top of the door type support frame.

[0010] As an improvement: the first docking device is arranged on the left side of the tellurium removal pot, and the second docking device is arranged on the right side of the tellurium removal pot; first and second docking blocks are arranged on the sealing cover plate opposite the first and second docking devices; first and second docking grooves are arranged on the first and second docking blocks; and first and second limiting grooves are arranged in the first and second docking grooves.

[0011] As an improvement: the first docking device comprises a first docking support plate, which is horizontally fixed on the left side of the tellurium removal pot; a first docking cylinder, which is vertically upwardly fixed on the first docking support plate; a first movable support plate, which is fixed on the piston rod of the first docking cylinder; a first rotating motor, which is vertically upwardly arranged on the first movable support plate; and a first limiting block, which is fixed on the piston rod of the first rotating motor and can be clamped in the first limiting groove through the first docking groove.

[0012] The second docking device comprises a second docking support plate, which is horizontally fixed on the right side of the tellurium removal pot; a second docking cylinder, which is vertically upwardly fixed on the second docking support plate; a second movable support plate, which is fixed on the piston rod of the second docking cylinder; a second rotating motor, which is vertically upwardly arranged on the second movable support plate; and a second limiting block, which is fixed on the piston rod of the second rotating motor and can be clamped in the second limiting groove through the second docking groove.

[0013] As an improvement: a sealing docking ring is vertically downwardly arranged on the sealing cover plate, and the outer diameter of the sealing docking ring is smaller than the inner diameter of the tellurium removal pot.

[0014] In summary, the present application has the following advantages:

[0015] 1. The stirring of the stirring device can accelerate the reaction of flake alkali and tellurium; the spoiler can enhance the stirring effect during the stirring process; and the flake alkali can be quickly dispersed into the fine bismuth solution through the above operation, thereby improving the tellurium removal efficiency.

[0016] 2. The sealing cover plate can be detachably installed above the tellurium removal pot through the two docking devices, so that the sealing cover plate can be hoisted and operated for maintenance of the equipment.

[0017] 3. The transfer of the docking ring facilitates the transfer and fixation of the sealing docking plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description.

[0019] Figure 1 It is a schematic diagram of the overall structure of a tellurium removal device for bismuth refining;

[0020] Figure 2 It is a schematic diagram of the local structure of a tellurium removal device for bismuth refining;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of a tellurium removal device for bismuth refining;

[0022] Figure 4 It is Figure 3 A schematic diagram of the structure of part A;

[0023] Figure 5 It is Figure 3 A schematic diagram of the structure of part B;

[0024] Wherein: 1, tellurium removal pot; 2, sealing cover plate; 3, feed inlet; 4, negative pressure smoke exhaust pipeline; 5, first telescopic air cylinder; 6, second telescopic air cylinder; 7, supporting ring; 8, connecting rod; 9, spoiler; 10, door-shaped support frame; 11, stirring motor; 12, speed reducer; 13, stirring rod; 14, stirring fan blade; 15, transfer butt joint ring; 16, sealing butt joint ring; 17, first butt joint block; 18, second butt joint block; 19, first butt joint groove; 20, second butt joint groove; 21, first butt joint support plate; 22, second butt joint support plate; 23, first butt joint air cylinder; 24, second butt joint air cylinder; 25, first movable support plate; 26, second movable support plate; 27, first rotating motor; 28, second rotating motor; 29, first limit block; 30, second limit block. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in combination with the drawings.

[0026] Please refer to Figures 1-5 A tellurium removal device for bismuth refining, comprising a tellurium removal pot 1, which is erected on an external pot table through a support plate;

[0027] A sealing cover plate 2 is detachably fixed on the tellurium removal pot 1, a stirring device and a disturbing device are fixed on the sealing cover plate 2, a feed inlet 3 is arranged on the front side of the stirring device, and a negative pressure smoke exhaust pipeline 4 is arranged on the rear side of the stirring device, the feed inlet 3 is arranged on the sealing cover plate 2, the negative pressure smoke exhaust pipeline 4 is fixed on the sealing cover plate 2, and the input end of the smoke exhaust pipeline extends to the inside of the tellurium removal pot 1;

[0028] The disturbing device comprises a first telescopic cylinder 5 and a second telescopic cylinder 6 symmetrically arranged with the first telescopic cylinder 5, the first telescopic cylinder 5 and the second telescopic cylinder 6 are vertically fixed on the sealing cover plate 2, a supporting ring 7 is fixed on the piston rod of the first telescopic cylinder 5 and the second telescopic cylinder 6, a plurality of connecting rods 8 are uniformly distributed on the supporting ring 7, and a spoiler 9 is fixed on the bottom end of the connecting rod 8.

[0029] The stirring device comprises a door-shaped support frame 10, the door-shaped support frame 10 is vertically fixed on the sealing cover plate 2, the top of the door-shaped support frame 10 is vertically fixed with a stirring motor 11, the stirring motor 11 is connected with a speed reducer 12, the speed reducer 12 is fixed in the door-shaped support frame 10, a stirring rod 13 is fixed on the rotor of the speed reducer 12, and a plurality of stirring blades 14 are fixed on the stirring rod 13.

[0030] In the embodiment, the stirring of the stirring device can accelerate the reaction of the flake alkali and tellurium, the spoiler 9 can enhance the stirring effect during the stirring process, and the flake alkali can be quickly dispersed into the fine bismuth solution through the above operation, thereby improving the tellurium removal efficiency.

[0031] Two transfer butt rings 15 are arranged on the top of the door-shaped support frame 10. In the embodiment, the transfer butt rings 15 facilitate the transfer and fixation of the sealing butt plate.

[0032] A sealing butt ring 16 is vertically arranged on the sealing cover plate 2, and the outer diameter of the sealing butt ring 16 is smaller than the inner diameter of the tellurium removal pot 1. In the embodiment, the sealing cover plate 2 can be covered on the tellurium removal pot 1 through the sealing butt ring 16, so as to prevent the sealing cover plate 2 from being deviated or displaced.

[0033] Working principle: the sealing cover plate 2 is covered on the tellurium removal pot 1 through the transfer butt ring 15 connected by the crane, the fine bismuth is melted by heating the tellurium removal pot 1, the stirring blades 14 are rotated by starting the stirring motor 11 after melting, the spoiler 9 is moved up and down in the tellurium removal pot 1 by starting the first telescopic cylinder 5 and the second telescopic cylinder 6, so as to quickly disperse the flake alkali into the fine bismuth solution, so that the flake alkali is fully reacted, and the slag is manually removed through the feeding port 3 during the reaction process. Specific implementation method two:

[0035] The first docking device is arranged on the left side of the tellurium removing pot 1, and the second docking device is arranged on the right side of the tellurium removing pot 1. The first docking block 17 and the second docking block 18 are respectively arranged on the sealing cover plate 2 at positions opposite to the first docking device and the second docking device. The first docking groove 19 and the second docking groove 20 are respectively arranged on the first docking block 17 and the second docking block 18. The first limiting slot is arranged in the first docking groove 19, and the second limiting slot is arranged in the second docking groove 20. The first docking device comprises a first docking support plate 21 which is horizontally fixed on the left side of the tellurium removing pot 1. The first docking cylinder 23 is vertically upwardly fixed on the first docking support plate 21. The first movable support plate 25 is fixed on the piston rod of the first docking cylinder 23. The first rotating motor 27 is vertically upwardly arranged on the first movable support plate 25. The first limiting block 29 is fixed on the piston rod of the first rotating motor 27. The first limiting block 29 can be clamped in the first limiting slot through the first docking groove 19. The second docking device comprises a second docking support plate 22 which is horizontally fixed on the right side of the tellurium removing pot 1. The second docking cylinder 24 is vertically upwardly fixed on the second docking support plate 22. The second movable support plate 26 is fixed on the piston rod of the second docking cylinder 24. The second rotating motor 28 is vertically upwardly arranged on the second movable support plate 26. The second limiting block 30 is fixed on the piston rod of the second rotating motor 28. The second limiting block 30 can be clamped in the second limiting slot through the second docking groove 20. In the embodiment, the sealing cover plate 2 can be detachably mounted above the tellurium removing pot 1 through the two docking devices, so that the sealing cover plate 2 is conveniently hoisted and the equipment is conveniently maintained.

[0036] Working principle: when the sealing cover plate 2 is arranged on the tellurium removing pot 1, the first docking cylinder 23 and the second docking cylinder 24 are upwardly actuated to respectively push the first limiting block 29 into the first limiting slot through the first docking groove 19 and push the second limiting block 30 into the second limiting slot through the second docking groove 20. Then, the first rotating motor 27 and the second rotating motor 28 are started to respectively drive the first limiting block 29 and the second limiting block 30 to rotate by 90°, so that the first limiting block 29 is perpendicular to the first docking groove 19 and the second limiting block 30 is perpendicular to the second docking groove 20. Then, the first docking cylinder 23 and the second docking cylinder 24 are downwardly actuated to pull the sealing cover plate 2 downwardly by the first limiting block 29 and the second limiting block 30, so that the sealing cover plate 2 is tightly attached above the tellurium removing pot 1. When the tellurium is removed, the limiting blocks are pulled out of the docking grooves and the limiting slots under the cooperation of the rotating motors and the docking cylinders. The detailed operation steps are not described again.

[0037] It should be explained finally that: the above examples are only used to illustrate the technical scheme of the utility model and not to limit it; although the utility model has been explained in detail with reference to the preferred embodiments, those skilled in the art should understand that; the specific implementation of the utility model can still be modified or some technical features can be replaced equivalently; without departing from the spirit of the technical scheme of the utility model, it should be covered in the technical scheme range of the utility model claimed by the utility model.

Claims

1. A bismuth tellurium refining apparatus characterized by comprising: Including a tellurium removal pot, which is erected on the external pot table through a support rack; A sealing cover plate is detachably fixed on the tellurium removal pot, a stirring device and a disturbing device are fixed on the sealing cover plate, a feeding port is arranged on the front side of the stirring device, and a negative pressure smoke exhaust pipeline is arranged on the rear side of the stirring device, the feeding port is arranged on the sealing cover plate, the negative pressure smoke exhaust pipeline is fixed on the sealing cover plate, and the input end of the smoke exhaust pipeline extends to the inside of the tellurium removal pot; The disturbing device comprises a first telescopic cylinder and a second telescopic cylinder which is symmetrically arranged with the first telescopic cylinder, the first telescopic cylinder and the second telescopic cylinder are both fixed vertically downward on the sealing cover plate, a support ring is fixed on the piston rod of the first telescopic cylinder and the second telescopic cylinder, a plurality of connecting rods are uniformly distributed on the support ring, and a spoiler plate is fixed on the bottom end of the connecting rods.

2. The bismuth tellurium refining apparatus of claim 1, wherein The stirring device comprises a door-shaped support frame, the door-shaped support frame is fixed vertically downward on the sealing cover plate, a stirring motor is fixed vertically downward on the top of the door-shaped support frame, the stirring motor is connected with a speed reducer, the speed reducer is fixed in the inside of the door-shaped support frame, a stirring rod is fixed on the rotor of the speed reducer, and a plurality of stirring blades are fixed on the stirring rod.

3. The bismuth tellurium refining apparatus of claim 2, wherein Two transfer butt joints are arranged on the top of the door-shaped support frame.

4. The bismuth tellurium refining apparatus of claim 1, wherein A first butt joint device is arranged on the left side of the tellurium removal pot, a second butt joint device is arranged on the right side of the tellurium removal pot, a first butt joint block and a second butt joint block are respectively arranged on the sealing cover plate in positions opposite to the first butt joint device and the second butt joint device, a first butt joint groove and a second butt joint groove are respectively arranged on the first butt joint block and the second butt joint block, a first limiting groove is arranged in the inside of the first butt joint groove, and a first limiting groove is arranged in the inside of the second butt joint groove.

5. The bismuth tellurium refining apparatus of claim 4, wherein The first butt joint device comprises a first butt joint support plate, the first butt joint support plate is horizontally fixed on the left side of the tellurium removal pot, a first butt joint cylinder is fixed vertically upward on the first butt joint support plate, a first movable support plate is fixed on the piston rod of the first butt joint cylinder, a first rotating motor is vertically upward arranged on the first movable support plate, a first limiting block is fixed on the piston rod of the first rotating motor, and the first limiting block can be clamped in the inside of the first limiting groove through the first butt joint groove; The second butt joint device comprises a second butt joint support plate, the second butt joint support plate is horizontally fixed on the right side of the tellurium removal pot, a second butt joint cylinder is fixed vertically upward on the second butt joint support plate, a second movable support plate is fixed on the piston rod of the second butt joint cylinder, a second rotating motor is vertically upward arranged on the second movable support plate, a second limiting block is fixed on the piston rod of the second rotating motor, and the second limiting block can be clamped in the inside of the second limiting groove through the second butt joint groove.

6. The bismuth tellurium refining apparatus of claim 1, wherein A sealing butt joint ring is vertically downward arranged on the sealing cover plate, and the outer diameter of the sealing butt joint ring is smaller than the inner diameter of the tellurium removal pot.

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