Bag type dust collector of metal silicon mill

Abstract

The utility model discloses a bag type dust collector of a metal silicon mill, and relates to the technical field of mill dust collection. The ball mill comprises a ball mill body, side covers are fixedly arranged on the two sides of the ball mill body, cover rings used for installing the connecting assemblies are fixedly arranged at the outer side ends of the side covers, the connecting assemblies comprise limiting rings arranged on the outer walls of the cover rings, connecting pipes are further rotationally arranged in the cover rings, and the outer ends of the connecting pipes are connected with dust removal pipes; a dust removal assembly is further arranged at the contact opening of the first bent pipe and the second bent pipe and comprises a dust removal bag arranged on the inner side of the end of the second bent pipe, a positioning ring is further connected to the inner wall of the second bent pipe in a threaded mode, and the other end of the second bent pipe is connected with an air opening pipe of a fan through a hoop. The dust removal assembly, the dust removal pipe and the fan are kept in a static state through the connecting assembly when the ball mill body rotates, the dust removal assembly assembled in the dust removal pipe is convenient to disassemble and assemble, and meanwhile metal silicon dust can be prevented from entering the fan.

Description

Technical Field

[0001] This utility model belongs to the field of mill dust removal technology, and in particular relates to a bag dust collector for a silicon metal mill. Background Technology

[0002] The grinding of metallic silicon is mainly carried out using a ball mill. The ball mill consists of three parts: a grinding cylinder, a drive mechanism, and a support mechanism. Grinding balls are placed inside the grinding cylinder, while the drive mechanism provides rotational power support for the grinding cylinder, and the support mechanism is used to mount the grinding cylinder and the drive mechanism.

[0003] Chinese patent application CN218796275U discloses a metal silicon powder ball mill, including a base plate. Two support rods are fixed to the top surface of the base plate, and a ball mill body is rotatably connected to the two support rods. The ball mill body has a feed inlet, a discharge pipe is rotatably connected to the right side of the ball mill body, and a feed pipe is rotatably connected to the left side of the ball mill body. An operating box is fixed to the top surface of the base plate, and a conveying assembly is provided on the operating box. The conveying assembly includes a partition plate fixed between the top and bottom walls of the operating box, and a support plate is fixed to the left side of the partition plate. This metal silicon powder ball mill is equipped with a conveying assembly. Material pulverized by the ball mill body enters the right side of the operating box. Material that meets the required pulverization quality falls through a filter screen into the bottom wall of the right side of the operating box. Unqualified material can be pumped back into the ball mill body for secondary pulverization, improving product quality and performance.

[0004] The aforementioned metal silicon powder ball mill has a cylindrical structure. A feed inlet is located at the top of the mill body, covered by a cover plate. Feed pipes and discharge pipes are located on both sides, allowing the metal silicon to be fed and discharged. During operation, the grinding balls inside the mill impact the metal silicon, generating a large amount of dust. As grinding continues, this dust accumulates inside the mill body. Opening the cover plate at the feed inlet causes a significant amount of dust to spill out. Furthermore, a vacuum cleaner is added at the feed inlet to remove the dust. However, since the vacuum cleaner is fixed to the mill body, and the mill rotates during operation, the vacuum cleaner also rotates with it. This back-and-forth movement of the vacuum cleaner can easily damage the machine, causing the dust absorbed by the vacuum cleaner to flow back into the mill body. To address these issues, we offer a baghouse dust collector for silicon metal mills. Utility Model Content

[0005] The purpose of this utility model is to provide a bag filter for a silicon metal mill. By connecting components, the dust collection components, dust collection pipe and fan are kept stationary when the ball mill body is rotating. The dust collection components installed in the dust collection pipe are not only easy to disassemble and assemble, but also prevent silicon metal dust from entering the fan. This solves the problems of the aforementioned silicon metal powder ball mill.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a bag filter for a silicon metal mill, comprising a ball mill body; side covers are fixedly installed on both sides of the ball mill body, and a cover ring for installing a connecting component is fixedly installed at the outer end of the side cover. The connecting component includes a limiting ring installed on the outer wall of the cover ring, and a connecting pipe is rotatably installed inside the cover ring. The outer end of the connecting pipe is connected to a dust collection pipe. The dust collection pipe consists of two parts, a first bend and a second bend, and the dust collection pipe is U-shaped. A dust collection component is installed at the contact point of the first bend and the second bend. The dust collection component includes a dust collection bag installed on the inner side of the second bend end at the contact point of the first bend and the second bend. A positioning ring is threadedly connected to the end of the dust collection bag and the inner wall of the second bend. The other end of the second bend is connected to the air outlet pipe of the fan by a clamp, and a bracket is fixedly installed on the outer wall of the fan.

[0008] The present invention is further configured such that a feed inlet is provided at the middle position of the ball mill body, and a cover plate is installed inside the feed inlet; drive gear rings are inlaid on both sides of the ball mill body, and the drive gear rings are connected to the drive mechanism, which is a conventional mechanism on the ball mill.

[0009] The present invention is further configured such that the side cover is in the shape of a hollow frustum, and the large-diameter end of the side cover is mounted on the outer wall of the ball mill body. A cover ring is fixedly mounted on the outer wall of the small-diameter end of the side cover. An inner groove is formed on the inner wall of the cover ring, and a connecting groove is formed on the outer wall of the cover ring.

[0010] The present invention is further configured such that the cross-section of the connecting pipe is T-shaped, the large end of the connecting pipe is located in the inner groove and is rotatably connected to the inner wall of the inner groove, and the other end of the connecting pipe is connected to the bend pipe by a clamp.

[0011] The present invention is further configured such that the connecting groove is fixedly connected to the connecting block by screws, and the connecting block is welded to the outer wall of the limiting ring, and the gap between the inner wall of the limiting ring and the outer wall of the connecting pipe is set.

[0012] The present invention is further configured such that a flange is fixedly provided at the end of the first bend and a flange is fixedly provided at the end of the second bend. The flange is connected to the flange by bolts. A toothed groove is provided on the inner wall of the end of the second bend located on one side of the flange, and a bottom groove is provided below the toothed groove.

[0013] The present invention is further configured such that the second bent pipe is threadedly connected to the positioning ring through a toothed groove, the positioning ring is also provided with a round hole, and a sliding rod is slidably inserted into the round hole, and a spring is sleeved on the outer wall of the sliding rod.

[0014] The present invention is further configured such that a fixing ring is slidably disposed below the positioning ring and in the bottom groove, and a connecting ring for fixing the snap ring on the end of the dust bag is fixedly disposed on the bottom side wall of the fixing ring, and an insertion hole is opened on the upper side wall of the fixing ring corresponding to the sliding rod, and the end of the sliding rod is inserted into the insertion hole.

[0015] This utility model has the following beneficial effects:

[0016] This invention features a side cover and a connecting assembly. The side cover is fixedly installed beside the ball mill body and communicates with the internal chamber of the ball mill body. The outer end of the side cover is also provided with a connecting assembly, which includes a connecting pipe with a T-shaped cross-section and a limiting ring fixed to the side wall of the outer end of the side cover. The large-diameter end of the connecting pipe is located inside the outer end of the side cover and is rotatably connected to the inner wall of the outer end of the side cover. In use, the drive gear on the ball mill body is connected to the ball mill drive mechanism, which provides power support for the rotation of the ball mill body. While the ball mill body rotates, the side cover installed on its outer end also rotates synchronously. Due to the presence of the limiting ring, the connecting pipe is prevented from detaching from the side cover. At the same time, when the side cover rotates, the connecting pipe, because it is rotatably connected to its inner wall, will not rotate with it, thus ensuring the stability of the dust removal assembly at the rear end of the connecting pipe during operation.

[0017] This utility model incorporates a dust collection component and a dust collection pipe. The dust collection pipe is U-shaped and consists of a shorter bend (first bend) and a longer bend (second bend). A flange (first flange) is installed at the end of bend (first bend), and a flange (second flange) is installed at the end of bend (second bend). Flanges (first flange) and (second flange) are connected by bolts, thus assembling the dust collection pipe. A dust collection component is located between flanges (first flange) and (second flange), and is entirely housed inside bend (second bend). The dust collection component includes a positioning ring threaded onto the inner wall of bend (second bend) at the end of flange (second flange). A fixing ring is slidably installed below the positioning ring, inside bend (second bend). A dust collection bag is installed at the bottom of the fixing ring. The fixing ring is used for installing the dust collector bag, while the positioning ring ensures that the fixing ring remains inside the second bend and does not shift. During use, the snap ring at the top of the dust collector bag is inserted into the connecting ring at the bottom of the fixing ring. Then, the fixing ring is slid into the flange of the second bend from one end. Next, the positioning ring is rotated and locked into the toothed groove in the second bend. Simultaneously, the sliding rod is pulled upwards to compress the spring. Once the positioning ring is fully locked into the second bend, the sliding rod is released. At this point, the sliding rod is aligned with the insertion hole on the fixing ring. Under the action of the spring... The slide bar is pulled down and inserted into the insertion hole of the fixed ring. When the fan is working, the negative pressure generated is transmitted from the second bend to the first bend, and then from the first bend to the connecting pipe. Finally, the negative pressure is transmitted to the side cover. At this time, the gas with attached silicon metal dust in the side cover is input into the first bend through the connecting pipe. The gas after being filtered by the dust bag is then sucked into the fan through the second bend. This can achieve the blocking and recycling of silicon metal dust. At the same time, it is easy to disassemble and assemble, and it is convenient to recycle the silicon metal dust in the dust bag. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a bag filter for a silicon metal mill.

[0020] Figure 2 This is a structural disassembly diagram of the side cover and connecting components.

[0021] Figure 3 This is a structural disassembly diagram of the dust removal components and dust removal pipes.

[0022] Figure 4 This is a structural disassembly diagram of the dust removal component.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 1-Ball mill body, 101-Feed inlet, 102-Drive gear ring, 2-Side cover, 201-Cover ring, 201a-Inner groove, 201b-Connecting groove, 3-Connecting assembly, 301-Connecting pipe, 302-Limiting ring, 302a-Connecting block, 4-Dust removal assembly, 401-Positioning ring, 401a-Round hole, 401b-Slide rod, 401c-Spring, 402-Dust removal bag, 402a-Snap-fit ​​ring, 403-Fixing ring, 403a-Insertion hole, 403b-Connecting ring, 5-Dust removal pipe, 501-Bend one, 501a-Flange one, 501b-Bolt, 502-Bend two, 502a-Flange two, 502b-Tooth groove, 502c-Bottom groove, 503-Clamp, 6-Fan, 601-Bracket. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Example 1

[0026] Please see Figure 1-2 This utility model is a bag dust collector for a metal silicon mill, including a ball mill body 1, a side cover 2 and a connecting assembly 3. The connecting assembly 3 ensures that the dust collection assembly 4, the dust collection pipe 5 and the fan 6 remain stationary when the ball mill body 1 is rotating.

[0027] Specifically, a feed inlet 101 is provided in the middle of the ball mill body 1, and a cover plate is installed inside the feed inlet 101. Drive gear rings 102 are embedded on both sides of the ball mill body 1, and the drive gear rings 102 are connected to the drive mechanism. The drive mechanism is a conventional mechanism on the ball mill, so it will not be described in detail here. Side covers 2 are detachably and fixedly installed on both sides of the ball mill body 1, and a connecting component 3 is also installed at the outer end of the side cover 2.

[0028] Furthermore, a cover ring 201 is fixedly provided at the outer end of the side cover 2. An inner groove 201a is provided on the outer side wall of the cover ring 201, and a connecting groove 201b is provided on the outer side wall of the cover ring 201. The connecting assembly 3 includes a connecting pipe 301 with a T-shaped cross section. The large-diameter end of the connecting pipe 301 is inserted into the inner groove 201a and is rotatably connected to the inner wall of the inner groove 201a. The connecting groove 201b is fixedly connected to the connecting block 302a by screws. The connecting block 302a is also welded to the outer side wall of the limiting ring 302. The limiting ring 302 covers the outer side of the large-diameter end of the connecting pipe 301 and is connected to the outer wall of the connecting pipe 301.

[0029] The operation process of this embodiment is as follows: During use, the drive gear 102 on the ball mill body 1 is connected to the drive mechanism of the ball mill. The drive mechanism provides power support for the rotation of the ball mill body 1. While the ball mill body 1 is rotating, the side cover 2 installed on its outer end also rotates synchronously. Due to the presence of the limiting ring 302, the connecting pipe 301 is guaranteed not to detach from the side cover 2. At the same time, when the side cover 2 rotates, the connecting pipe 301 will not rotate because it is rotated and connected to its inner wall, thus ensuring the stability of the dust removal component 4 at the rear end of the connecting pipe 301 during operation. Example 2

[0030] Please see Figure 3-4 Based on embodiment 1, a dust removal component 4, a dust removal pipe 5, and a fan 6 are also provided. The dust removal component 4, which is installed in the dust removal pipe 5, is not only easy to disassemble and assemble, but also prevents the metal silicon dust from entering the interior of the fan 6.

[0031] Specifically, the dust removal pipe 5 consists of two parts: a first bend 501 and a second bend 502. The dust removal pipe 5 is U-shaped. A flange 501a is fixedly installed at the end of the first bend 501, and a flange 502a is fixedly installed at the end of the second bend 502. The first flange 501a is fixedly connected to the second flange 502a by bolts 501b. The other ends of the first bend 501 and the second bend 502 are respectively connected to the connecting pipe 301 and the air outlet pipe of the fan 6 by clamps 503. A dust removal component 4 is also installed inside the second bend 502 at one end of the second flange 502a. A bracket 601 is also fixedly installed on the outside of the fan 6.

[0032] Furthermore, a toothed groove 502b is provided on the inner wall of the end of the second bend 502, and a bottom groove 502c is provided below the toothed groove 502b. The dust removal assembly 4 includes a positioning ring 401 threadedly connected to the toothed groove 502b, and a fixing ring 403 is slidably provided in the bottom groove 502c below the positioning ring 401. A connecting ring 403b for fixing the snap ring 402a on the end of the dust removal bag 402 is fixedly provided on the bottom side wall of the fixing ring 403. A round hole 401a is also provided on the positioning ring 401, and a slide rod 401b is slidably inserted into the round hole 401a. A spring 401c is sleeved on the outer wall of the slide rod 401b. An insertion hole 403a is provided on the upper side wall of the fixing ring 403 corresponding to the slide rod 401b, and the end of the slide rod 401b is inserted into the insertion hole 403a.

[0033] The operation process of this embodiment is as follows: During use, the snap ring at the top of the dust collector bag is snapped onto the connecting ring at the bottom of the fixing ring. Then, the fixing ring is slid into one end of the flange of the second bend pipe. Next, the positioning ring is rotated and locked into the toothed groove in the second bend pipe. Simultaneously, the sliding rod is pulled upwards to compress the spring. When the positioning ring is fully locked into the second bend pipe, the sliding rod is released. At this point, the sliding rod is aligned with the insertion hole on the fixing ring. Under the action of the spring, it pulls the sliding rod downwards and inserts into the fixing ring. When the fan is working, the negative pressure generated in the insertion hole of the fixed ring is transmitted from the second bend to the first bend, and then from the first bend to the connecting pipe. Finally, the negative pressure is transmitted to the side cover. At this time, the gas with attached silicon metal dust in the side cover is input into the first bend through the connecting pipe. The gas, after being filtered by the dust collection bag for silicon metal dust, is then sucked into the fan through the second bend. This can achieve the blocking and recycling of silicon metal dust. At the same time, it is easy to disassemble and assemble, and it is convenient to recycle the silicon metal dust in the dust collection bag.

[0034] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0035] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A baghouse dust collector for a silicon metal mill, comprising a ball mill body (1); characterized in that: Both sides of the ball mill body (1) are fixedly provided with side covers (2), and the outer end of the side cover (2) is fixedly provided with a cover ring (201) for installing the connecting assembly (3). The connecting assembly (3) includes a limiting ring (302) provided on the outer wall of the cover ring (201), and a connecting pipe (301) is rotatably provided inside the cover ring (201). The outer end of the connecting pipe (301) is connected to the dust removal pipe (5). The dust removal pipe (5) is composed of two parts: a first bend (501) and a second bend (502). The dust removal pipe (5) is U-shaped. A dust removal assembly (4) is also provided at the contact point of the first bend (501) and the second bend (502). The dust removal assembly (4) includes a dust removal bag (402) located inside the end of the second bend (502) at the contact point of the first bend (501) and the second bend (502). A positioning ring (401) is threadedly connected to the end of the dust removal bag (402) and the inner wall of the second bend (502). The other end of the second bend (502) is connected to the air outlet pipe of the fan (6) through a clamp (503). A bracket (601) is also fixedly installed on the outer wall of the fan (6).

2. The bag filter for a silicon metal mill according to claim 1, characterized in that, The ball mill body (1) is provided with a feed inlet (101) in the middle position, and a cover plate is installed inside the feed inlet (101). Drive gear rings (102) are inlaid on both sides of the ball mill body (1), and the drive gear rings (102) are connected to the drive mechanism, which is a conventional mechanism on the ball mill.

3. The bag filter for a silicon metal mill according to claim 1, characterized in that, The side cover (2) is a hollow frustum shape, and the large diameter end of the side cover (2) is covered on the outer wall of the ball mill body (1). A cover ring (201) is fixedly installed on the outer wall of the small diameter end of the side cover (2). An inner groove (201a) is opened on the inner wall of the cover ring (201), and a connecting groove (201b) is opened on the outer wall of the cover ring (201).

4. The bag filter for a silicon metal mill according to claim 3, characterized in that, The connecting pipe (301) has a T-shaped cross section. The large end of the connecting pipe (301) is located in the inner groove (201a) and is rotatably connected to the inner wall of the inner groove (201a). The other end of the connecting pipe (301) is connected to the bend (501) by a clamp (503).

5. The bag filter for a silicon metal mill according to claim 3, characterized in that, The connecting groove (201b) is fixedly connected to the connecting block (302a) by screws, and the connecting block (302a) is welded to the outer wall of the limiting ring (302). The inner wall of the limiting ring (302) is separated from the outer wall of the connecting pipe (301).

6. The bag filter for a silicon metal mill according to claim 1, characterized in that, A flange 1 (501a) is fixedly installed at the end of the first bend (501), and a flange 2 (502a) is fixedly installed at the end of the second bend (502). The flange 1 (501a) is connected to the flange 2 (502a) by bolts (501b). A toothed groove (502b) is provided on the inner wall of the end of the second bend (502) located on the side of the flange 2 (502a), and a bottom groove (502c) is provided below the toothed groove (502b).

7. The bag filter for a silicon metal mill according to claim 6, characterized in that, The second bend (502) is threadedly connected to the positioning ring (401) through a toothed groove (502b). The positioning ring (401) also has a round hole (401a), and a slide rod (401b) is slidably inserted into the round hole (401a). A spring (401c) is sleeved on the outer wall of the slide rod (401b).

8. The bag filter for a silicon metal mill according to claim 7, characterized in that, A fixing ring (403) is slidably disposed below the positioning ring (401) and inside the bottom groove (502c). A connecting ring (403b) for fixing the snap ring (402a) on the end of the dust bag (402) is fixedly disposed on the bottom side wall of the fixing ring (403). An insertion hole (403a) is opened on the upper side wall of the fixing ring (403) corresponding to the slide rod (401b), and the end of the slide rod (401b) is inserted into the insertion hole (403a).

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