Sealing device for high-dust copper smelting concentrate warehouse

Abstract

Relates to the field of copper smelting, and discloses a high-dust copper smelting concentrate warehouse sealing device which comprises a door frame and a door curtain arranged in the door frame in a rolling mode, and further comprises a rolling unit arranged at the upper end of the door frame and connected with the door curtain; the cleaning unit is arranged on the side, close to the rolling unit, of the door frame and connected with the rolling unit, and the cleaning unit comprises a main gear fixed to the rotating shaft, a first cleaning device arranged on the door frame, connected with the main gear and used for sweeping dust on the door curtain and a second cleaning device arranged on the door frame and connected with the main gear. When the rolling unit drives the door curtain to conduct rolling work, the cleaning unit is driven to move, so that the cleaning unit can clean dust attached to the door curtain, dust attached to the door curtain is reduced, corrosion of harmful substances in the dust to the door curtain is reduced, and the device is good in sealing effect, easy to clean and easy to operate.

Description

Technical Field

[0001] The invention relates to the technical field of copper smelting, in particular to a sealing device for a high-dust copper smelting concentrate storehouse. Background Art

[0002] In recent years, with the needs of national development, the copper smelting industry has grown stronger and stronger, and the resulting industrial dust has also increased. Therefore, in the copper smelting production workshop, it is necessary to seal the interior of the warehouse to reduce the leakage of dust inside the factory, reduce the pollution caused by dust to the environment, and reduce the harm to human health.

[0003] The existing equipment has the following shortcomings: the existing copper smelting warehouse generally realizes the sealing of the concentrate warehouse under high dust conditions of copper smelting through on-site control systems and in conjunction with the concentrate warehouse access control system. However, under high dust conditions, dust is easy to stick to the dust-proof equipment. Dust is acidic and forms an acidic solution when it comes into contact with water, which will corrode the dust-proof equipment. The friction generated by dust particles on the dust-proof equipment will also cause corrosion to the wind and dust equipment. Leaks in the dust-proof equipment allow dust to leak out, affecting the sealing effect of the door curtain and causing the service life of traditional dust-proof equipment to be short.

[0004] Therefore, the present application proposes a sealing device for a high-dust copper smelting concentrate silo to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a sealing device for a high-dust copper smelting concentrate warehouse to solve the above-mentioned problem that under high-dust conditions, dust is easily adhered to the dust-proof equipment and causes erosion of the door curtain, causing dust leakage, affecting the sealing effect of the door curtain, and causing the service life of traditional dust-proof equipment to be shortened.

[0006] To achieve the above object, the present invention provides the following technical solution: a sealing device for a high-dust copper smelting concentrate silo, comprising a door frame and a door curtain that can be rolled up and arranged inside the door frame, and further comprising:

[0007] A rolling unit, arranged at the upper end of the door frame and connected to the door curtain, for controlling the rolling of the door curtain;

[0008] A cleaning unit is arranged on a side of the door frame close to the winding unit and connected to the winding unit, and is used for cleaning dust on the door curtain.

[0009] The winding unit comprises a motor fixed to the upper end of the door frame, a rotating shaft arranged at the power output end of the motor, a bearing seat arranged at the upper end of the door frame for supporting the rotating shaft, and a winding roller arranged on the rotating shaft, wherein the winding roller is provided with a winding belt connected to the door curtain for moving the door curtain up and down;

[0010] The door frame is provided with a through slot for the winding belt to move at a position corresponding to the winding belt.

[0011] Wherein, the cleaning unit includes a main gear fixed on the rotating shaft, a first cleaning device arranged on the door frame and connected to the main gear for cleaning dust on the door curtain, and a second cleaning device arranged on the door frame and connected to the main gear for beating and cleaning the door curtain, the first cleaning device is located on the side of the door frame located inside the warehouse, and the second cleaning device is located on the outside of the side of the door frame located outside the warehouse.

[0012] Among them, the first cleaning device includes a first fixed seat fixed on the door frame, a first connecting shaft rotatably set on the first fixed seat, a first slave gear fixedly set on the first connecting shaft and threadedly connected to the main gear, a transmission member set on the first connecting shaft and a cleaning member set on the door frame, and the cleaning member is connected to the first connecting shaft through the transmission member.

[0013] Wherein, the transmission member comprises a first transmission gear fixed on the first connecting shaft, a chain meshingly connected to the first transmission gear, and a second transmission gear arranged on the cleaning member;

[0014] The lower end of the chain is sleeved on the second transmission gear;

[0015] The first transmission gear is connected to the first connecting shaft through a ratchet member;

[0016] The door frame is provided with a mounting groove for the chain to move at a position corresponding to the chain.

[0017] Wherein, the cleaning component comprises a transmission shaft rotatably arranged on the inner side of the door frame and a brush fixed on the transmission shaft, the second transmission gear is fixed on the transmission shaft, and the brush is in contact with the door curtain.

[0018] Among them, the second cleaning device includes a second fixed seat fixed at the upper end of the door frame, a second connecting shaft rotatably set on the second fixed seat, a second slave gear fixed on the second connecting shaft and threadedly connected to the main gear, and a power member for transmission set on the second connecting shaft, and a striking block for striking the door curtain is set at the lower end of the power member.

[0019] The power member includes a rotating disk fixedly arranged on the second connecting shaft, a limit block fixed on the rotating disk, a connecting frame sleeved on the limit block, a moving plate fixed at the lower end of the connecting frame, and a pushing rod arranged at the lower end of the moving plate for connecting the striking block;

[0020] The door frame is provided with a placement slot for the movable plate to move at a position corresponding to the movable plate;

[0021] A limited position frame is arranged inside the placement slot;

[0022] A slider is provided at the position of the movable plate corresponding to the limit frame;

[0023] The position of the limiting frame corresponding to the position of the sliding block is provided with a limiting groove for the sliding block to slide.

[0024] Among them, the top end of the door curtain is fixedly connected to the door frame, and reinforcing rods are arranged at intervals on the door curtain. A limiting ring for limiting the winding belt is fixed at the position of the reinforcing rod corresponding to the winding belt, and rollers are arranged on both sides of the reinforcing rod, and a sliding groove for the roller to slide is opened at the position of the door frame corresponding to the roller.

[0025] Wherein, a brush for cleaning dust on both sides of the door curtain is arranged at the position where the door frame and the door curtain meet.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. The on-site control system of the present invention is linked to the concentrate warehouse access control system to accurately control the operation process. After the transportation operation is completed, the door curtain is closed in time to reduce the escape of dust from the concentrate and copper-containing materials. Two control modes, manual control and remote control start and stop, are provided to facilitate the operation of the staff. The winding unit is connected to the access control system to control the winding of the door curtain. When the winding unit drives the door curtain to wind up, it drives the cleaning unit to move, so that the cleaning unit can clean the dust attached to the door curtain, reduce the dust attached to the door curtain, and further reduce the erosion of the door curtain by harmful substances in the dust. The device has good sealing effect, is easy to clean, and is simple to operate.

[0028] 2. The present invention drives the first connecting shaft to rotate when the rotating shaft drives the winding belt to lower the door curtain, so that the first driving gear drives the second driving gear to rotate through the chain, and the second driving gear drives the transmission shaft to rotate, so that the transmission shaft drives the brush to rotate along the axis of the transmission shaft, and the brush contacts the door curtain. When the door curtain gradually moves downward to seal the door frame, the brush cleans the dust on the inner side of the door curtain, thereby improving the cleanliness of the door curtain and reducing the corrosion of the door curtain by harmful substances in the dust, causing the damage of the door curtain and affecting the sealing of the door curtain. The main gear is meshed with the second slave gear. In the process of the rotating shaft driving the main gear to rotate, the main gear drives the second slave gear to rotate, so that the second slave gear drives the second connecting shaft to rotate, and then the second connecting shaft drives the power piece to reciprocate at the front end of the door curtain. In the process of the rotating shaft driving the winding belt to rewind or rewind the door curtain, the power piece drives the striking block to reciprocately strike the door curtain. When the door curtain is struck, it vibrates to clean the floating dust attached to the surface of the door curtain. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the main structure in one embodiment of the present invention;

[0030] Figure 2 It is a schematic structural diagram of an embodiment of the present invention in a front view;

[0031] Figure 3 It is a schematic diagram of the structure of the rear view in one embodiment of the present invention;

[0032] Figure 4 It is a schematic diagram of the structure when viewed from above in one embodiment of the present invention;

[0033] Figure 5 It is a schematic diagram of a side view of a structure in one embodiment of the present invention;

[0034] Figure 6 It is a structural schematic diagram of a first cleaning device in one embodiment of the present invention;

[0035] Figure 7 This is a schematic diagram of the structure of the connection position between the brush and the door curtain in one embodiment of the present invention;

[0036] Figure 8 This is a schematic structural diagram of a second cleaning device in one embodiment of the present invention;

[0037] Fig. 9 It is a schematic structural diagram of the explosion of the second cleaning device in one embodiment of the present invention;

[0038] Fig.10 It is a schematic diagram of the structure of the connection between the slide groove and the roller in one embodiment of the present invention;

[0039] Fig.11 Schematic diagram of the structure of a door curtain in one embodiment of the present invention.

[0040] In the figure: 1, door frame; 11, slide groove; 12, brush; 13, through groove; 14, installation groove; 15, placement groove; 2, door curtain; 21, reinforcement rod; 22, limit ring; 23, roller; 3, winding unit; 31, motor; 32, rotating shaft; 33, bearing seat; 34, winding roller; 35, winding belt; 4, cleaning unit; 41, main gear; 42, first cleaning device; 421, first fixed seat; 422, first connecting shaft; 423, first slave gear; 424 , ratchet; 425, first transmission gear; 426, chain; 427, second transmission gear; 428, transmission shaft; 429, brush; 43, second cleaning device; 431, second fixed seat; 432, second connecting shaft; 433, second slave gear; 434, turntable; 435, limit block; 436, connecting frame; 437, moving plate; 4371, slider; 438, push rod; 439, striking block; 4310, limit frame; 43101, limit groove. DETAILED DESCRIPTION

[0041] 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.

[0042] See also Figure 1-11 The present invention provides a technical solution: a sealing device for a high-dust copper smelting concentrate silo, comprising a door frame 1 and a door curtain 2 which can be rolled up and arranged inside the door frame 1. The door curtain 2 is made of dust-proof and corrosion-resistant canvas material, which seals the concentrate silo in all aspects, solves the problems of short service life and susceptibility to erosion of traditional dust-proof equipment, and also includes:

[0043] The rolling unit 3 is arranged at the upper end of the door frame 1 and connected to the door curtain 2, and is used to control the rolling of the door curtain 2;

[0044] The cleaning unit 4 is arranged on a side of the door frame 1 close to the winding unit 3 and connected to the winding unit 3 , and is used for cleaning dust on the door curtain 2 .

[0045] It should be noted that, during operation, the on-site control system is linked to the concentrate warehouse access control system to accurately control the operation process. After the transportation operation is completed, the door curtain 2 is closed in time to reduce the escape of dust from concentrates and copper-containing materials. Two control modes, manual control and remote control start and stop, are set to facilitate operation by the staff. The winding unit 3 is connected to the access control system to control the winding of the door curtain 2. When the winding unit 3 drives the door curtain 2 to wind up, it drives the cleaning unit 4 to move, so that the cleaning unit 4 can clean the dust attached to the door curtain 2, reduce the dust attached to the door curtain 2, and then reduce the erosion of the door curtain 2 by harmful substances in the dust. The device has good sealing effect, is easy to clean, and is easy to operate.

[0046] In one embodiment, the winding unit 3 includes a motor 31 fixed to the upper end of the door frame 1, a rotating shaft 32 arranged at the power output end of the motor 31, a bearing seat 33 arranged at the upper end of the door frame 1 for supporting the rotating shaft 32, and a winding roller 34 arranged on the rotating shaft 32, and the winding roller 34 is provided with a winding belt 35 connected to the door curtain 2 for moving the door curtain 2 up and down;

[0047] A through slot 13 for the reeling belt 35 to move is provided at a position of the door frame 1 corresponding to the reeling belt 35 .

[0048] In this design, the motor 31 is started, the rotating shaft 32 drives the winding roller 34 to rotate, and then the winding roller 34 drives the winding belt 35 to rotate, and the winding belt 35 drives the door curtain 2 to move up, and the door curtain 2 is rolled up from the bottom, and then the door curtain 2 is opened to a specified height, and the transport vehicle enters and exits the door frame 1. Then, when the vehicle has completed entering and exiting, the access control system starts the motor 31 again, so that the rotating shaft 32 drives the winding roller 34 to flip, and the door curtain 2 moves down to seal the door frame 1.

[0049] In one embodiment, the cleaning unit 4 includes a main gear 41 fixed on the rotating shaft 32, a first cleaning device 42 arranged on the door frame 1 and connected to the main gear 41 for cleaning the dust on the door curtain 2, and a second cleaning device 43 arranged on the door frame 1 and connected to the main gear 41 for striking and cleaning the door curtain 2. The first cleaning device 42 is located on the side of the door frame 1 located inside the warehouse, and the second cleaning device 43 is located on the outside of the side of the door frame 1 located outside the warehouse.

[0050] With such a design, the main gear 41 is driven to rotate during the rotation of the rotating shaft 32, and then the main gear 41 drives the second cleaning device 43 to move during the rotation. The second cleaning device 43 knocks on the door curtain 2 to clean up the dust attached to the door curtain 2. When the door curtain 2 moves down, the main gear 41 drives the first cleaning device 42 to rotate. The first cleaning device 42 rotates, so that the door curtain 2 contacts the first cleaning device 42 during the descent, and the dust on the door curtain 2 is cleaned.

[0051] In one embodiment, the first cleaning device 42 includes a first fixed seat 421 fixed on the door frame 1, a first connecting shaft 422 rotatably set on the first fixed seat 421, a first slave gear 423 fixedly set on the first connecting shaft 422 and threadedly connected to the main gear 41, a transmission member set on the first connecting shaft 422 and a cleaning member set on the door frame 1, and the cleaning member is connected to the first connecting shaft 422 through the transmission member.

[0052] With such a design, when the rotating shaft 32 drives the main gear 41 to rotate, the main gear 41 engages with the first slave gear 423, driving the first slave gear 423 to rotate. The first slave gear 423 drives the cleaning member to rotate through the transmission member, and the cleaning member cleans the dust on the door curtain 2.

[0053] In one embodiment, the transmission member includes a first transmission gear 425 fixed on the first connecting shaft 422, a chain 426 meshingly connected to the first transmission gear 425, and a second transmission gear 427 disposed on the cleaning member;

[0054] The lower end of the chain 426 is sleeved on the second transmission gear 427;

[0055] The first transmission gear 425 is connected to the first connecting shaft 422 through the ratchet member 424;

[0056] The door frame 1 is provided with a mounting groove 14 at a position corresponding to the chain 426 for the chain 426 to move.

[0057] With this design, the first connecting shaft 422 drives the first transmission gear 425 to rotate, and under the restriction of the ratchet member 424, when the rotating shaft 32 drives the winding belt 35 to wind up the door curtain 2, the first connecting shaft 422 drives the first transmission gear 425 to rotate idly, so that the chain 426 drives the second transmission gear 427 to rotate, and the second transmission gear 427 drives the cleaning member to rotate, and the cleaning member cleans the dust on the door curtain 2.

[0058] In one embodiment, the cleaning member includes a transmission shaft 428 rotatably disposed on the inner side of the door frame 1 and a brush 429 fixed on the transmission shaft 428 , the second transmission gear 427 is fixed on the transmission shaft 428 , and the brush 429 is in contact with the door curtain 2 .

[0059] With this design, when the rotating shaft 32 drives the winding belt 35 to lower the door curtain 2, the first connecting shaft 422 drives the first transmission gear 425 to rotate, so that the first transmission gear 425 drives the second transmission gear 427 to rotate through the chain 426, and the second transmission gear 427 drives the transmission shaft 428 to rotate, so that the transmission shaft 428 drives the brush 429 to rotate along the axis of the transmission shaft 428, and the brush 429 contacts the door curtain 2. When the door curtain 2 gradually moves downward to seal the door frame 1, the brush 429 cleans the dust on the inside of the door curtain 2, thereby improving the cleanliness of the door curtain 2 and reducing the corrosion of the door curtain 2 by harmful substances in the dust, which causes damage to the door curtain 2 and affects the sealing of the door curtain 2.

[0060] In one embodiment, the second cleaning device 43 includes a second fixed seat 431 fixed at the upper end of the door frame 1, a second connecting shaft 432 rotatably arranged on the second fixed seat 431, a second slave gear 433 fixed on the second connecting shaft 432 and threadedly connected to the main gear 41, and a power member for transmission arranged on the second connecting shaft 432, and a striking block 439 for striking the door curtain 2 is arranged at the lower end of the power member.

[0061] In this design, the main gear 41 is meshed with the second slave gear 433. When the rotating shaft 32 drives the main gear 41 to rotate, the main gear 41 drives the second slave gear 433 to rotate, so that the second slave gear 433 drives the second connecting shaft 432 to rotate, and then the second connecting shaft 432 drives the power member to reciprocate at the front end of the door curtain 2. When the rotating shaft 32 drives the winding belt 35 to rewind or rewind the door curtain 2, the power member drives the striking block 439 to reciprocately strike the door curtain 2. When the door curtain 2 is struck, it vibrates to clean the floating dust attached to the surface of the door curtain 2.

[0062] In one embodiment, the power member includes a rotating disk 434 fixedly disposed on the second connecting shaft 432, a stopper 435 fixedly disposed on the rotating disk 434, a connecting frame 436 sleeved on the stopper 435, a moving plate 437 fixedly disposed at the lower end of the connecting frame 436, and a pushing rod 438 disposed at the lower end of the moving plate 437 for connecting to a striking block 439;

[0063] The door frame 1 is provided with a placement slot 15 for the movable plate 437 to move at a position corresponding to the movable plate 437;

[0064] A limit frame 4310 is provided inside the placement slot 15;

[0065] A slider 4371 is provided at the position of the movable plate 437 corresponding to the limit frame 4310;

[0066] A limiting groove 43101 for the sliding block 4371 to slide is formed at a position of the limiting frame 4310 corresponding to the sliding block 4371 .

[0067] With such a design, the second connecting shaft 432 drives the turntable 434 to rotate, so that the limit block 435 moves in the internal empty groove of the connecting frame 436, and under the restriction of the slider 4371 on the movable plate 437 by the limit frame 4310, the limit block 435 drives the movable plate 437 to reciprocate inside the placement groove 15, and then the push rod 438 drives the striking block 439 to repeatedly strike the door curtain 2.

[0068] In one embodiment, the top of the door curtain 2 is fixedly connected to the door frame 1, and reinforcing rods 21 are arranged at intervals on the door curtain 2. A limiting ring 22 for limiting the winding belt 35 is fixed at the position of the reinforcing rod 21 corresponding to the winding belt 35, and rollers 23 are arranged on both sides of the reinforcing rod 21. A sliding groove 11 for the roller 23 to slide is opened at the position of the door frame 1 corresponding to the roller 23.

[0069] With this design, the bottom end of the winding belt 35 is fixed to the reinforcing rod 21, and the middle part of the winding belt 35 passes through the limiting ring 22 provided on the reinforcing rod 21. The limiting ring 22 can limit the winding belt 35, making it convenient for the winding belt 35 to wind up the door curtain 2. The rollers 23 on both sides of the reinforcing rod 21 are slidably arranged inside the slide groove 11, which can conveniently limit the downward movement of the door curtain 2. The reinforcing rod 21 is affected by gravity, and when the door curtain 2 moves downward, the door frame 1 is sealed.

[0070] In one embodiment, a brush 12 for cleaning dust on both sides of the door curtain 2 is provided at the position where the door frame 1 and the door curtain 2 meet.

[0071] With such a design, the bristles 12 can clean the dust on both sides of the door curtain 2 , thereby reducing the dust from entering the interior of the slide groove 11 and affecting the movement of the roller 23 in the slide groove 11 .

[0072] In addition, if there are descriptions involving "first", "second", etc. in the embodiments, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying the importance of the relative description or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

Claims

1. A sealing device for a high-dust copper smelting concentrate silo, comprising a door frame (1) and a door curtain (2) which can be rolled up and arranged inside the door frame (1), characterized in that: Also includes: A rolling unit (3), arranged at the upper end of the door frame (1) and connected to the door curtain (2), and used for controlling the rolling of the door curtain (2); A cleaning unit (4) is arranged on a side of the door frame (1) close to the winding unit (3) and connected to the winding unit (3), and is used to clean dust on the door curtain (2).

2. A sealing device for a high-dust copper smelting concentrate silo according to claim 1, characterized in that: The winding unit (3) comprises a motor (31) fixed to the upper end of the door frame (1), a rotating shaft (32) arranged at the power output end of the motor (31), a bearing seat (33) arranged at the upper end of the door frame (1) for supporting the rotating shaft (32), and a winding roller (34) arranged on the rotating shaft (32); the winding roller (34) is provided with a winding belt (35) connected to the door curtain (2) for pulling the door curtain (2) to move up and down; The door frame (1) is provided with a through slot (13) at a position corresponding to the winding belt (35) for the winding belt (35) to move.

3. A sealing device for a high-dust copper smelting concentrate silo according to claim 2, characterized in that: The cleaning unit (4) comprises a main gear (41) fixed on the rotating shaft (32), a first cleaning device (42) arranged on the door frame (1) and connected to the main gear (41) for cleaning dust on the door curtain (2), and a second cleaning device (43) arranged on the door frame (1) and connected to the main gear (41) for striking and cleaning the door curtain (2), wherein the first cleaning device (42) is located on a side of the door frame (1) located inside the warehouse, and the second cleaning device (43) is located on the outside of a side of the door frame (1) located outside the warehouse.

4. A sealing device for a high-dust copper smelting concentrate silo according to claim 3, characterized in that: The first cleaning device (42) comprises a first fixed seat (421) fixed on the door frame (1), a first connecting shaft (422) rotatably arranged on the first fixed seat (421), a first slave gear (423) fixedly arranged on the first connecting shaft (422) and threadedly connected to the main gear (41), a transmission member arranged on the first connecting shaft (422) and a cleaning member arranged on the door frame (1), and the cleaning member is connected to the first connecting shaft (422) via the transmission member.

5. A sealing device for a high-dust copper smelting concentrate silo according to claim 4, characterized in that: The transmission member comprises a first transmission gear (425) fixed on the first connecting shaft (422), a chain (426) meshingly connected to the first transmission gear (425), and a second transmission gear (427) arranged on the cleaning member; The lower end of the chain (426) is sleeved on the second transmission gear (427); The first transmission gear (425) is connected to the first connecting shaft (422) via a ratchet member (424); The door frame (1) is provided with a mounting groove (14) at a position corresponding to the chain (426) for the chain (426) to move.

6. A sealing device for a high-dust copper smelting concentrate silo according to claim 5, characterized in that: The cleaning member comprises a transmission shaft (428) rotatably arranged on the inner side of the door frame (1) and a brush (429) fixed on the transmission shaft (428); the second transmission gear (427) is fixed on the transmission shaft (428); and the brush (429) is in contact with the door curtain (2).

7. A sealing device for a high-dust copper smelting concentrate silo according to claim 3, characterized in that: The second cleaning device (43) comprises a second fixed seat (431) fixed to the upper end of the door frame (1), a second connecting shaft (432) rotatably arranged on the second fixed seat (431), a second slave gear (433) fixed on the second connecting shaft (432) and threadedly connected to the main gear (41), and a power member for transmission arranged on the second connecting shaft (432), and a striking block (439) for striking the door curtain (2) is arranged at the lower end of the power member.

8. The sealing device for a high-dust copper smelting concentrate silo according to claim 7 is characterized in that: The power member comprises a rotating disk (434) fixedly arranged on the second connecting shaft (432), a limiting block (435) fixed on the rotating disk (434), a connecting frame (436) sleeved on the limiting block (435), a moving plate (437) fixed at the lower end of the connecting frame (436), and a pushing rod (438) arranged at the lower end of the moving plate (437) for connecting to a striking block (439); The door frame (1) is provided with a placement groove (15) for the movable plate (437) to move at a position corresponding to the movable plate (437); A limit frame (4310) is provided inside the placement slot (15); The movable plate (437) is provided with a slider (4371) at a position corresponding to the limit frame (4310); The limiting frame (4310) is provided with a limiting groove (43101) for the sliding block (4371) to slide at a position corresponding to the sliding block (4371).

9. A sealing device for a high-dust copper smelting concentrate silo according to claim 2, characterized in that: The top end of the door curtain (2) is fixedly connected to the door frame (1), and reinforcing rods (21) are arranged at intervals on the door curtain (2). A limiting ring (22) for limiting the winding belt (35) is fixed at a position of the reinforcing rod (21) corresponding to the position of the winding belt (35), and rollers (23) are arranged on both sides of the reinforcing rod (21). A sliding groove (11) for the roller (23) to slide is opened at a position of the door frame (1) corresponding to the roller (23).

10. A sealing device for a high-dust copper smelting concentrate silo according to claim 9, characterized in that: Brushes (12) for cleaning dust on both sides of the door curtain (2) are provided at the position where the door frame (1) and the door curtain (2) meet.

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