CN215326970U

CN215326970U - Titanium white powder production equipment capable of preventing powder leakage

Info

Publication number: CN215326970U
Application number: CN202120676381.0U
Authority: CN
Inventors: 王洪淼
Original assignee: NANJING TITANIUM DIOXIDE CHEMICAL CO Ltd
Current assignee: NANJING TITANIUM DIOXIDE CHEMICAL CO Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-12-28
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses titanium dioxide production equipment capable of preventing powder leakage, and relates to the field of titanium dioxide production equipment, wherein the technical scheme is as follows: the device comprises an ore powder bin, wherein the bottom end of the ore powder bin is connected with a bell valve through a conveying pipe, a discharge port of the bell valve is connected with a bin type pneumatic conveying pump through a feeding pipe, the lower end of the bin type pneumatic conveying pump, which faces away from the bell valve, is connected with a compressed air purging pipeline, the bell valve comprises a valve body, two ends of the valve body are respectively connected onto the conveying pipe and the feeding pipe through flange plates, a first through hole and a second through hole communicated with the first through hole are formed in the valve body, the cross-sectional area of the first through hole is smaller than that of the second through hole, a valve disc located below the second through hole is arranged in the first through hole, a driving part for sealing the second through hole by the valve disc is arranged on the valve disc, and during the process of conveying ore powder bin to the bin type pneumatic conveying pump, ore powder is prevented from leaking, and the environment is protected.

Description

Titanium white powder production equipment capable of preventing powder leakage

Technical Field

The utility model relates to the field of titanium dioxide production equipment, in particular to titanium dioxide production equipment capable of preventing powder leakage.

Background

In the production of titanium dioxide, the titanium dioxide powder production device comprises a mineral powder bin, wherein the bottom of the mineral powder bin is connected with a pneumatic butterfly valve, the lower end of the pneumatic butterfly valve is connected with a bin type pneumatic conveying pump, the upper part and the lower part of the bin type pneumatic conveying pump are respectively connected with a compressed air purging pipeline, a valve on the upper part of the bin type pneumatic conveying pump needs to be closed when mineral powder is conveyed, and blowing is assisted by compressed air.

However, the existing pneumatic butterfly valve includes a packing seal, which belongs to a soft packing, and due to the friction and pressure of the valve rod rotating motion, the soft packing will gradually deform and lose in the using process, thereby generating a leakage gap and causing medium leakage, and polluting the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide titanium dioxide production equipment capable of preventing powder leakage, which can prevent the leakage of mineral powder and protect the environment in the process of conveying materials to a bin type pneumatic conveying pump from a mineral powder bin.

The technical purpose of the utility model is realized by the following technical scheme: the titanium dioxide production equipment capable of preventing powder leakage comprises an ore powder bin, wherein the bottom end of the ore powder bin is connected with a bell valve through a conveying pipe, a discharge port of the bell valve is connected with a bin type pneumatic conveying pump through a feeding pipe, the lower end, facing away from the bell valve, of the bin type pneumatic conveying pump is connected with a compressed air purging pipeline, the bell valve comprises a valve body, two ends of the valve body are respectively connected to the conveying pipe and the feeding pipe through flange plates, a first through hole and a second through hole communicated with the first through hole are formed in the valve body, the cross sectional area of the first through hole is smaller than that of the second through hole, a valve disc located below the second through hole is arranged in the first through hole, and a driving piece for the valve disc to close the second through hole is arranged on the valve disc.

By adopting the technical scheme, when mineral powder is conveyed towards the bin type pneumatic conveying pump, the valve at the upper part of the bin type pneumatic conveying pump needs to be closed, blowing is assisted by compressed air, when the mineral powder bin conveys the mineral powder to the bin type pneumatic conveying pump, the mineral powder penetrates through the first through hole and the second through hole of the bell jar valve, smooth conveying is guaranteed, after the conveying is finished, the valve disc completely seals the second through hole through the driving piece, leakage of the mineral powder is prevented, smooth conveying of the mineral powder is guaranteed, and working efficiency is improved.

Preferably, the driving piece establishes hollow valve casing and cylinder on the valve body outer wall including the cover, the fixed first actuating lever that is equipped with on the valve disc, the one end of first actuating lever dorsad valve disc articulates there is the second actuating lever of wearing out first through-hole pore wall, second actuating lever one end is rotated through the pivot and is connected on the valve casing inner wall, pivot one end is rotated and is connected on the valve casing inner wall, and other end fixedly connected with stretches out the third actuating lever of valve casing, the fixed cover of third actuating lever one end is equipped with the swivel becket, fixedly connected with fourth drive rod on the swivel becket, the axial of axial perpendicular to third actuating lever of fourth drive rod, the one end of fourth drive rod articulates on the telescopic link of cylinder, the valve casing external fixation is equipped with and is on a parallel with the axial piece of placing of pivot, the cylinder sets up on placing the piece.

By adopting the technical scheme, the cylinder is started, the cylinder drives the fourth driving rod to move, the fourth driving rod drives the rotating ring and the third driving rod to rotate, the rotating shaft rotates, the rotating shaft drives the second driving rod to rotate, the second driving rod drives the first driving rod to move towards or away from the bin type pneumatic conveying pump, and therefore the valve disc can seal or open the second through hole and meet the working requirement.

Preferably, the second through hole is provided with a closing piece which is abutted against the valve disc in the circumferential direction towards the hole wall of the valve disc.

Through adopting above-mentioned technical scheme, further improve the leakproofness of valve disc on the second through-hole.

Preferably, place and be equipped with the damper on the piece, the damper includes a plurality of compression spring, place and seted up on the piece and place the hole, each compression spring one end all is connected on the pore wall of placing the hole, and the other end all is connected with and is on a parallel with the shock attenuation board of placing the piece, the cylinder sets up on the shock attenuation board.

Through adopting above-mentioned technical scheme, in cylinder working process, vibrations that the cylinder brought can send parts such as valve casing, valve disc, conveyer pipe through placing the piece, long-term the use leads to bell jar valve oscillation deformation easily, leads to the stability decline of bell jar valve, through a plurality of compression spring, plays the purpose to cylinder shock attenuation.

Preferably, the shock absorption plate is provided with an anti-skidding rubber pad, and the air cylinder is fixedly arranged on the anti-skidding rubber pad.

Through adopting above-mentioned technical scheme, further play the purpose of shock attenuation to the cylinder.

Preferably, the closing part comprises a first magnet, the second through hole of the first magnet faces the hole wall of the valve disc, and a second magnet attracted to the first magnet is arranged on the valve disc.

Through adopting above-mentioned technical scheme, after the defeated material finishes, start the cylinder, the second magnet actuation on the valve disc is on first magnet, and the second through-hole is sealed completely to the valve disc, prevents that the powdered ore from revealing, guarantees that the powdered ore smoothly carries, improves work.

Preferably, the closure element comprises a rubber ring which is arranged on the wall of the second through-opening facing the valve disk.

Through adopting above-mentioned technical scheme, after the defeated material finishes, start the cylinder, the valve disc can contradict on rubber ring, and the second through-hole is sealed completely to the valve disc, prevents that the powdered ore from revealing, guarantees that the powdered ore smoothly carries, improves work.

In conclusion, the utility model achieves the following beneficial effects: firstly, when the ore powder bin conveys materials to the bin type pneumatic conveying pump, the ore powder penetrates through the first through hole and the second through hole of the bell valve to ensure smooth material conveying, after the material conveying is finished, the cylinder is started, the valve disc completely seals the second through hole, the ore powder is prevented from being leaked, the ore powder is ensured to be conveyed smoothly, and the working efficiency is improved.

Secondly, after the material conveying is finished, the cylinder is started, the second magnet on the valve disc is attracted to the first magnet, the valve disc completely seals the second through hole, mineral powder leakage is prevented, the mineral powder is guaranteed to be conveyed smoothly, the work is improved, and the sealing performance of the valve disc on the second through hole is further improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment 1;

FIG. 2 is a schematic view of the cylinder of the present embodiment 1;

fig. 3 is a schematic structural view of the present embodiment 1 integrally embodying the first drive lever, the second drive lever, and the third drive lever;

FIG. 4 is an enlarged schematic view of the embodiment 1 as a whole for embodying the structure A in FIG. 3;

FIG. 5 is a schematic structural diagram of the rubber ring of the present embodiment 2;

fig. 6 is a schematic structural diagram of the present embodiment 1, which is used to embody a compression spring.

In the figure: 1. a mineral powder bin; 2. a bell jar valve; 3. a bin type pneumatic conveying pump; 4. a compressed air purge line; 5. a valve body; 6. a delivery pipe; 7. a feed pipe; 8. a first through hole; 9. a second through hole; 10. a valve disc; 11. a valve housing; 12. a cylinder; 13. a first drive lever; 14. a second drive lever; 15. a third drive lever; 16. a rotating ring; 17. a fourth drive lever; 18. placing the blocks; 19. a rotating shaft; 20. a compression spring; 21. a damper plate; 22. an anti-skid rubber pad; 23. a first magnet; 24. a second magnet; 25. a rubber ring; 26. placing the holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1

A titanium dioxide production device for preventing powder leakage comprises a mineral powder bin, wherein the bottom end of the mineral powder bin 1 is connected with a bell valve 2 through a conveying pipe 6, a discharge hole of the bell valve 2 is connected with a bin type pneumatic conveying pump 3 through a feeding pipe 7, the lower end of the bin type pneumatic conveying pump 3, which is back to the bell valve 2, is connected with a compressed air purging pipeline 4, the bell valve 2 comprises a valve body 5, two ends of the valve body 5 are respectively connected with the conveying pipe 6 and the feeding pipe 7 through flange plates, a first through hole 8 and a second through hole 9 communicated with the first through hole 8 are arranged in the valve body 5, the cross-sectional area of the first through hole 8 is smaller than that of the second through hole 9, a valve disc 10 positioned below the second through hole 9 is arranged in the first through hole 8, a driving piece for sealing the second through hole 9 by the valve disc 10 is arranged on the valve disc 10, when mineral powder is conveyed towards the bin type pneumatic conveying pump 3, a valve at the upper part of the bin type pneumatic conveying pump 3 needs to be closed, by means of compressed air blowing assistance, when the ore powder bin 1 conveys ore to the bin type pneumatic conveying pump 3, the ore powder passes through the first through hole and the second through hole of the bell jar valve 2 to ensure smooth conveying, and after the conveying is finished, the valve disc 10 completely seals the second through hole 9 through the driving piece, so that the leakage of the ore powder is prevented, the smooth conveying of the ore powder is ensured, and the working efficiency is improved.

Referring to fig. 1-3, the driving member includes a hollow valve housing 11 and an air cylinder 12, which are sleeved on the outer wall of the valve body 5, a first driving rod 13 is fixedly disposed on the valve housing 10, one end of the first driving rod 13, which faces away from the valve housing 10, is hinged to a second driving rod 14, which penetrates through the wall of the first through hole 8, one end of the second driving rod 14 is rotatably connected to the inner wall of the valve housing 11 through a rotating shaft 19, one end of the rotating shaft 19 is rotatably connected to the inner wall of the valve housing 11, the other end of the first driving rod is fixedly connected to a third driving rod 15, which extends out of the valve housing 11, a rotating ring 16 is fixedly disposed at one end of the third driving rod 15, a fourth driving rod 17 is fixedly connected to the rotating ring 16, the axial direction of the fourth driving rod 17 is perpendicular to the axial direction of the third driving rod 15, one end of the fourth driving rod 17 is hinged to an expansion link of the air cylinder 12, a placing block 18, which is parallel to the axial direction of the rotating shaft 19 is fixedly disposed outside the valve housing 11, the air cylinder 12 is disposed on the placing block 18, the cylinder 12 is started, the cylinder 12 drives the fourth driving rod 17 to move, the fourth driving rod 17 drives the rotating ring 16 and the third driving rod 15 to rotate, the rotating shaft 19 rotates, the rotating shaft 19 drives the second driving rod 14 to rotate, the second driving rod 14 drives the first driving rod 13 to move towards or away from the bin-type pneumatic conveying pump 3, and therefore the valve disc 10 can seal or open the second through hole 9 to meet working requirements.

As shown in fig. 3-4, in order to further improve the sealing performance of the valve disc 10 on the second through hole 9, a sealing member abutting against the valve disc 10 is circumferentially arranged on the second through hole 9 facing the hole wall of the valve disc 10, the sealing member includes a first magnet 23, the first magnet 23 faces the hole wall of the valve disc 10, and a second magnet 24 attracted to the first magnet 23 is arranged on the valve disc 10.

Referring to fig. 2-4, after the material conveying is finished, the cylinder 12 is started, the second magnet 24 on the valve disc 10 is attracted to the first magnet 23, and the valve disc 10 completely seals the second through hole 9, so that the leakage of mineral powder is prevented, the smooth conveying of the mineral powder is ensured, and the work is improved.

As shown in fig. 2-3, as shown in fig. 6, in the working process of the cylinder 12, the vibration caused by the cylinder 12 can be transmitted to the valve housing 11 through the placing block 18, the valve disc 10, the conveying pipe 6 and other components, which are used for a long time, easily cause the oscillation deformation of the bell valve 2, and cause the stability of the bell valve 2 to decrease, therefore, the placing block 18 is provided with a damping piece, the damping piece comprises a plurality of compression springs 20, the placing block 18 is provided with a placing hole 26, one end of each compression spring 20 is connected to the hole wall of the placing hole 26, the other end of each compression spring is connected to a damping plate 21 parallel to the placing block 18, the cylinder 12 is arranged on the damping plate 21, the damping plate 21 is provided with an anti-skid rubber pad 22, the cylinder 12 is fixedly arranged on the anti-skid rubber pad 22, and the purpose of damping the cylinder 12 is achieved through the plurality of compression springs 20 and the anti-skid rubber pads 22.

Example 2

Embodiment 2 is an extension of embodiment 1, and as shown in fig. 5, the sealing member includes a rubber ring 25, the rubber ring 25 is disposed on the wall of the second through hole 9 facing the valve disc 10, after the material conveying is completed, the cylinder 12 is started, the valve disc 10 will collide against the rubber ring 25, the valve disc 10 completely seals the second through hole 9, so as to prevent the leakage of the mineral powder, ensure the smooth conveyance of the mineral powder, and improve the work.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The titanium dioxide production equipment capable of preventing powder leakage is characterized by comprising an ore powder bin (1), wherein the bottom end of the ore powder bin (1) is connected with a bell jar valve (2) through a conveying pipe (6), a discharge hole of the bell jar valve (2) is connected with a bin type pneumatic conveying pump (3) through a feeding pipe (7), the lower end, back to the bell jar valve (2), of the bin type pneumatic conveying pump (3) is connected with a compressed air purging pipeline (4), the bell jar valve (2) comprises a valve body (5), two ends of the valve body (5) are respectively connected to the conveying pipe (6) and the feeding pipe (7) through flange plates, a first through hole (8) and a second through hole (9) communicated with the first through hole (8) are formed in the valve body (5), the cross-sectional area of the first through hole (8) is smaller than that of the second through hole (9), and a valve disc (10) positioned below the second through hole (9) is arranged in the first through hole (8), and a driving piece for closing the second through hole (9) by the valve disc (10) is arranged on the valve disc (10).

2. The titanium dioxide production equipment for preventing powder leakage according to claim 1, which is characterized in that: the driving piece comprises a hollow valve casing (11) and a cylinder (12) which are sleeved on the outer wall of the valve body (5), a first driving rod (13) is fixedly arranged on the valve casing (10), one end of the first driving rod (13) back to the valve casing (10) is hinged with a second driving rod (14) which penetrates out of the hole wall of a first through hole (8), one end of the second driving rod (14) is rotatably connected onto the inner wall of the valve casing (11) through a rotating shaft (19), one end of the rotating shaft (19) is rotatably connected onto the inner wall of the valve casing (11), the other end of the third driving rod (15) is fixedly connected with a third driving rod (15) which extends out of the valve casing (11), a rotating ring (16) is fixedly sleeved at one end of the third driving rod (15), a fourth driving rod (17) is fixedly connected onto the rotating ring (16), the axial direction of the fourth driving rod (17) is perpendicular to the axial direction of the third driving rod (15), one end of the fourth driving rod (17) is hinged on a telescopic rod of the cylinder (12), valve casing (11) external fixation is equipped with and is on a parallel with pivot (19) axial places piece (18), cylinder (12) set up on placing piece (18).

3. The titanium dioxide production equipment for preventing powder leakage according to claim 1, which is characterized in that: the second through hole (9) is provided with a closing piece which is abutted against the valve disc (10) in the circumferential direction of the hole wall facing the valve disc (10).

4. The titanium dioxide production equipment for preventing powder leakage according to claim 2, which is characterized in that: the shock absorption piece is arranged on the placing block (18) and comprises a plurality of compression springs (20), placing holes (26) are formed in the placing block (18), one ends of the compression springs (20) are connected to the hole wall of the placing holes (26), the other ends of the compression springs (20) are connected to shock absorption plates (21) parallel to the placing block (18), and the air cylinders (12) are arranged on the shock absorption plates (21).

5. The titanium dioxide production equipment for preventing powder leakage according to claim 4, which is characterized in that: and an anti-skid rubber pad (22) is arranged on the damping plate (21), and the air cylinder (12) is fixedly arranged on the anti-skid rubber pad (22).

6. The titanium dioxide production equipment for preventing powder leakage according to claim 3, which is characterized in that: the closing part comprises a first magnet (23), a second through hole (9) of the first magnet (23) faces the hole wall of the valve disc (10), and a second magnet (24) attracted on the first magnet (23) is arranged on the valve disc (10).

7. The titanium dioxide production equipment for preventing powder leakage according to claim 3, which is characterized in that: the closure element comprises a rubber ring (25), wherein the rubber ring (25) is arranged on the wall of the second through hole (9) facing the valve disc (10).