A dust removal device for exhaust gas from fluorite drying

Abstract

This utility model belongs to the technical field of fluorite processing equipment, specifically disclosing a dust removal device for fluorite drying exhaust gas. It includes a dust removal cylinder with an air inlet assembly at the top and a cleaning assembly at the bottom. A cylindrical dust removal screen is fixedly installed inside. In the air inlet assembly, a lifting plate is rotatably connected to a rotating pipe at its bottom, and a horizontal pipe is fixedly connected to the bottom of the rotating pipe, with the two connected. The horizontal pipe is located inside the cylindrical dust removal screen. A first motor on the support drives a first screw to rotate, causing the lifting plate to rise and fall along a limit rod. A second motor on the lifting plate drives the rotating pipe to rotate. A wear-resistant sealing ring is fitted at the connection between the sleeve and the rotating pipe, and a lip seal is embedded at the connection between the rotating pipe and the dust removal cylinder to ensure a seal. During dust removal, the rotating pipe rotates slowly, and the exhaust gas is filtered evenly. During cleaning, it rotates quickly, and rubber hammers knock dust off the dust removal screen under centrifugal force, which is then discharged through the cleaning assembly. This device has good dust removal effect, is easy to clean, and can efficiently treat fluorite drying exhaust gas.

Description

Technical Field

[0001] This utility model relates to the technical field of fluorite processing equipment, specifically a dust removal device for fluorite drying exhaust gas. Background Technology

[0002] Drying is a crucial step in fluorite processing, but it generates exhaust gas containing a large amount of dust. Directly releasing this exhaust gas into the air would not only cause serious air pollution but also waste any potentially useful components. Therefore, dust removal treatment is necessary for the exhaust gas from fluorite drying.

[0003] Existing dust removal devices for fluorite drying exhaust gas typically involve passing the exhaust gas into the device and using a dust collector to filter the dust particles. However, these devices have some drawbacks. Firstly, the location where the exhaust gas is introduced is relatively fixed, which may cause excessive filtration pressure in some areas of the dust collector, leading to incomplete filtration and affecting the dust removal effect. Secondly, after prolonged use, a large amount of dust accumulates on the dust collector. If it is not cleaned in time, it will reduce the filtration efficiency of the dust collector, and the cleaning process is quite cumbersome.

[0004] Therefore, this utility model provides a dust removal device for fluorite drying exhaust gas to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a dust removal device for fluorite drying exhaust gas, which solves the aforementioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a dust removal device for fluorite drying exhaust gas, comprising a dust removal cylinder, an air inlet assembly at the top of the dust removal cylinder, a cleaning assembly at the bottom of the dust removal cylinder, a cylindrical dust removal screen fixedly installed between the upper and lower inner walls of the dust removal cylinder, the air inlet assembly comprising a lifting plate, a rotating pipe rotatably connected to the bottom of the lifting plate, the rotating pipe movably penetrating the top wall of the dust removal cylinder, a horizontal pipe fixedly installed at the bottom of the rotating pipe, the horizontal pipe communicating with the rotating pipe, the horizontal pipe being located inside the cylindrical dust removal screen, a bracket fixedly installed at the top of the dust removal cylinder, a limit rod fixedly installed between the inner bottom of the bracket and the dust removal cylinder, and the lifting plate slidably connected to the outside of the limit rod.

[0007] Furthermore, in order to achieve stable lifting of the lifting plate, a first screw is rotatably connected between the inner top wall of the bracket and the dust removal cylinder, and the first screw is screwed through the interior of the lifting plate.

[0008] Furthermore, in order to provide power for the lifting of the lifting plate and the rotation of the rotating tube, a second motor is fixedly installed on the top of the lifting plate. The output end of the second motor moves through the interior of the lifting plate and is fixedly connected to the rotating tube. A first motor is fixedly installed on the top of the bracket. The output end of the first motor moves through the interior of the bracket and is fixedly connected to the first screw.

[0009] Furthermore, in order to achieve automated control of the device and ensure stable operation of the first screw, a controller is fixedly installed on the outside of the dust collector. The controller is electrically connected to the first motor and the second motor. The controller can adjust the output speed of the second motor. The outside of the first screw is coated with grease, and the lead angle of the first screw thread is less than or equal to the equivalent friction angle.

[0010] Furthermore, in order to ensure that the exhaust gas can be stably introduced into the rotating pipe, a sleeve is rotatably connected to the outside of the rotating pipe, a connecting rod is fixedly installed between the sleeve and the lifting plate, an air intake pipe is fixedly installed on the outside of the sleeve, the air intake pipe is connected to the inside of the sleeve, a connecting groove is opened on the side wall of the rotating pipe, the connecting groove is located inside the sleeve, and the air intake pipe is connected to the inside of the rotating pipe through the sleeve and the connecting groove.

[0011] Furthermore, in order to discharge the filtered exhaust gas, an air outlet pipe is fixedly installed on the outside of the dust collector cylinder. The air outlet pipe is connected to the inside of the dust collector cylinder. The connection point between the air outlet pipe and the dust collector cylinder is located on the outside of the cylindrical dust collector screen. An air pump is fixedly installed on the outside of the air outlet pipe. The outer end of the air outlet pipe is connected to the inlet of the air pump. The air pump is electrically connected to the controller.

[0012] Furthermore, to facilitate the cleaning of dust generated during the dust removal process, the cleaning component includes a cleaning groove located at the bottom of the dust collector cylinder, inside the cylindrical dust collector screen. A sealing block is inserted into the cleaning groove, and a mounting plate is fixedly installed at the bottom of the sealing block. A fixing plate is fixedly installed on the outer side of the mounting plate, and a handle is fixedly installed at the bottom of the mounting plate. A second bolt is fixedly installed at the bottom of the dust collector cylinder, inserted into the corresponding fixing plate, and a nut is screwed onto the outer side of the second bolt, fitting against the bottom of the fixing plate. Furthermore, to clean the dust on the cylindrical dust collector screen to a certain extent, springs are fixedly installed on both the front and rear sides of the horizontal tube, and rubber hammers are fixedly installed on the outer ends of the springs.

[0013] Beneficial effects

[0014] This invention provides a dust removal device for the exhaust gas of fluorite drying. Compared with the prior art, it has the following advantages:

[0015] 1. This fluorite drying exhaust gas dust removal device, by setting an air intake component, can realize the rotation and up-and-down movement of the horizontal pipe. The rotating pipe can operate at low speed during dust removal, so that the exhaust gas can contact the cylindrical dust removal screen more evenly and widely, and has sufficient time to filter, which greatly improves the exhaust gas dust removal effect.

[0016] 2. This fluorite drying exhaust gas dust removal device features a rotating tube that can rotate rapidly during cleaning. The rubber hammer balls, under centrifugal force, powerfully strike the cylindrical dust removal screen, effectively removing the dust adhering to it and ensuring the filtration efficiency of the cylindrical dust removal screen. The cleaning components make cleaning the dust inside the cylindrical dust removal screen more convenient and faster, reducing maintenance costs. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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 from these drawings without creative effort.

[0018] Figure 1 This is a perspective view of the external structure of this utility model;

[0019] Figure 2 This is a three-dimensional view of the internal structure of this utility model;

[0020] Figure 3 This is a three-dimensional view of the disassembled structure of this utility model;

[0021] Figure 4 This is a disassembled structural diagram of the air intake assembly of this utility model;

[0022] Figure 5 This is a three-dimensional view of the overall back structure of this utility model.

[0023] In the diagram: 1. Dust collector cylinder; 2. Air intake assembly; 21. Bracket; 22. Limiting rod; 23. First screw; 24. First motor; 25. Lifting plate; 26. Rotating tube; 27. Second motor; 28. Sleeve; 29. ​​Connecting rod; 210. Horizontal tube; 211. Connecting groove; 3. Cleaning assembly; 31. Cleaning groove; 32. Sealing block; 33. Mounting plate; 34. Handle; 35. Fixing plate; 36. Second bolt; 37. Nut; 38. Spring; 39. Rubber hammer; 4. Cylindrical dust collector screen; 5. Controller; 6. Air intake pipe; 7. Air outlet pipe; 8. Air pump. Detailed Implementation

[0024] It should be noted that in the description of the embodiments of this application, the terms "front," "rear," "left," "right," "up," "down," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. The terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0025] The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

[0026] Reference Figures 1 to 4 This application provides a dust removal device for fluorite drying exhaust gas, including a dust collection cylinder 1. An air inlet assembly 2 is installed at the top of the dust collection cylinder 1, and a cleaning assembly 3 is installed at the bottom of the dust collection cylinder 1. A cylindrical dust collection screen 4 is fixedly installed between the upper and lower inner walls of the dust collection cylinder 1. The air inlet assembly 2 includes a lifting plate 25, and a rotating pipe 26 is rotatably connected to the bottom of the lifting plate 25. The rotating pipe 26 movably penetrates the top wall of the dust collection cylinder 1. A horizontal pipe 210 is fixedly installed at the bottom of the rotating pipe 26, communicating with the rotating pipe 26. The horizontal pipe 210 is located inside the cylindrical dust collection screen 4. A bracket is fixedly installed at the top of the dust collection cylinder 1. 21. A limiting rod 22 is fixedly installed between the inner bottom of the bracket 21 and the dust collector 1. The lifting plate 25 is slidably connected to the outside of the limiting rod 22. A first screw 23 is rotatably connected between the inner top wall of the bracket 21 and the dust collector 1. The first screw 23 is screwed through the inside of the lifting plate 25. A second motor 27 is fixedly installed on the top of the lifting plate 25. The output end of the second motor 27 moves through the inside of the lifting plate 25 and is fixedly connected to the rotating tube 26. A first motor 24 is fixedly installed on the top of the bracket 21. The output end of the first motor 24 moves through the inside of the bracket 21 and is fixedly connected to the first screw 23.

[0027] A controller 5 is fixedly installed on the outside of the dust collector 1. The controller 5 is electrically connected to the first motor 24 and the second motor 27. The controller 5 can adjust the output speed of the second motor 27. The outside of the first screw 23 is coated with grease. The lead angle of the first screw 23 is less than or equal to the equivalent friction angle. A sleeve 28 is rotatably connected to the outside of the rotating tube 26. A connecting rod 29 is fixedly installed between the sleeve 28 and the lifting plate 25. An air inlet pipe 6 is fixedly installed on the outside of the sleeve 28. The air inlet pipe 6 communicates with the inside of the sleeve 28. A connecting groove 211 is opened on the side wall of the rotating tube 26. The connecting groove 211 is located inside the sleeve 28. The air inlet pipe 6 communicates with the inside of the rotating tube 26 through the sleeve 28 and the connecting groove 211.

[0028] An air outlet pipe 7 is fixedly installed on the outside of the dust collector cylinder 1, and the air outlet pipe 7 communicates with the inside of the dust collector cylinder 1. The connection point between the air outlet pipe 7 and the dust collector cylinder 1 is located on the outside of the cylindrical dust collector screen 4. An air pump 8 is fixedly installed on the outside of the air outlet pipe 7, and the outer end of the air outlet pipe 7 communicates with the inlet of the air pump 8. The air pump 8 is electrically connected to the controller 5. The cleaning component 3 includes a cleaning groove 31, which is located at the bottom of the dust collector cylinder 1 and inside the cylindrical dust collector screen 4. A sealing block 32 is inserted into the inside of the cleaning groove 31. A mounting plate 33 is fixedly installed at the bottom of the sealing block 32. A fixing plate 35 is fixedly installed on the outside of the mounting plate 33. A handle 34 is fixedly installed at the bottom of the mounting plate 33. A second bolt 36 is fixedly installed at the bottom of the dust collector 1. The second bolt 36 is inserted into the corresponding fixing plate 35. A nut 37 is screwed onto the outside of the second bolt 36. The nut 37 fits against the bottom of the fixing plate 35. Springs 38 are fixedly installed on both the front and rear sides of the horizontal tube 210. A rubber hammer ball 39 is fixedly installed on the outer end of the spring 38.

[0029] The controller 6 is an STM32F103C8T6 model controller, which can adjust the speed of the second motor 27 through program settings, control the start, stop and operation status of the first motor 24, and control the operation of the air pump 8 to meet the different working conditions of dust removal and cleaning.

[0030] A wear-resistant sealing ring is fitted at the connection between the sleeve 28 and the rotating tube 26, and a lip seal is embedded at the connection between the rotating tube 26 and the dust collector 1, thereby achieving a seal at the two connections.

[0031] Working Principle: When using this device for dust removal, the controller 5 starts the first motor 24, the second motor 27, and the air pump 8, and adjusts the second motor 27 to a low-speed operation. The exhaust gas from the fluorite drying process enters the sleeve 28 through the inlet pipe 6, then enters the rotating pipe 26 through the connecting groove 211, and finally exits from the horizontal pipe 210 into the cylindrical dust collector 4. Because the second motor 27 is operating at a low speed, the rotating pipe 26 drives the horizontal pipe 210 to rotate slowly, allowing the exhaust gas to contact the cylindrical dust collector 4 more evenly and providing sufficient time for filtration, thus ensuring the filtration effect. At the same time, the first motor 24 drives the first screw 23 to rotate, and the lifting plate 25 moves up and down along the limit rod 22. The rotating pipe 26 and the horizontal pipe 210 also move up and down accordingly, further expanding the exhaust gas emission range. The dust in the exhaust gas is blocked on the inside of the cylindrical dust collector 4, and the filtered exhaust gas enters the dust collector cylinder 1 and... The space between the cylindrical dust collector screens 4 is then drawn out and discharged by the air pump 8 through the air outlet pipe 7. At this time, the horizontal pipe 210 rotates at a relatively slow speed, and the centrifugal force on the rubber hammer ball 39 is small, so it will not cause strong impact on the cylindrical dust collector screen 4, thus avoiding dust being raised and affecting filtration. When it is necessary to clean the cylindrical dust collector screen 4, the air pump 8 is turned off to stop the supply of exhaust gas. The second motor 27 is adjusted to high-speed operation through the controller 5. The rotating pipe 26 drives the horizontal pipe 210 to rotate rapidly. Under the action of strong centrifugal force, the rubber hammer ball 39 is thrown outward and violently strikes the cylindrical dust collector screen 4, shaking off the dust attached to the cylindrical dust collector screen 4. The shaken-off dust accumulates at the bottom of the inner side of the cylindrical dust collector screen 4. At this time, the nut 37 is unscrewed, and the sealing block 32 is pulled out from the cleaning groove 31 through the handle 34. The dust will then be discharged from the cleaning groove 31. After cleaning, the sealing block 32 is reset and the nut 37 is screwed on.

[0032] Furthermore, all contents not described in detail in this specification are existing technologies known to those skilled in the art, and all electrical components mentioned in this document are powered by external power supply lines.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust removal device for fluorite drying exhaust gas, comprising a dust collection cylinder (1), characterized in that: The dust collector (1) is provided with an air intake assembly (2) at the top and a cleaning assembly (3) at the bottom. A cylindrical dust collector screen (4) is fixedly installed between the upper and lower inner walls of the dust collector (1). The air intake assembly (2) includes a lifting plate (25). A rotating pipe (26) is rotatably connected to the bottom of the lifting plate (25). The rotating pipe (26) movably penetrates the top wall of the dust collector (1). A horizontal pipe (210) is fixedly installed at the bottom of the rotating pipe (26). The horizontal pipe (210) communicates with the rotating pipe (26). The horizontal pipe (210) is located inside the cylindrical dust collector screen (4). A bracket (21) is fixedly installed at the top of the dust collector (1). A limit rod (22) is fixedly installed between the inner bottom of the bracket (21) and the dust collector (1). The lifting plate (25) is slidably connected to the outside of the limit rod (22).

2. The dust removal device for fluorite drying exhaust gas according to claim 1, characterized in that: The inner top wall of the bracket (21) is rotatably connected to the dust collector (1) by a first screw (23), which is screwed through the inside of the lifting plate (25).

3. The dust removal device for fluorite drying exhaust gas according to claim 1, characterized in that: A second motor (27) is fixedly installed on the top of the lifting plate (25). The output end of the second motor (27) moves through the interior of the lifting plate (25) and is fixedly connected to the rotating tube (26). A first motor (24) is fixedly installed on the top of the bracket (21). The output end of the first motor (24) moves through the interior of the bracket (21) and is fixedly connected to the first screw (23).

4. The dust removal device for fluorite drying exhaust gas according to claim 3, characterized in that: A controller (5) is fixedly installed on the outside of the dust collector (1). The controller (5) is electrically connected to the first motor (24) and the second motor (27). The outside of the first screw (23) is coated with grease. The lead angle of the first screw (23) is less than or equal to the equivalent friction angle.

5. The dust removal device for fluorite drying exhaust gas according to claim 1, characterized in that: A sleeve (28) is rotatably connected to the outside of the rotating tube (26). A connecting rod (29) is fixedly installed between the sleeve (28) and the lifting plate (25). An air inlet pipe (6) is fixedly installed on the outside of the sleeve (28). The air inlet pipe (6) communicates with the inside of the sleeve (28). A connecting groove (211) is opened on the side wall of the rotating tube (26). The connecting groove (211) is located inside the sleeve (28). The air inlet pipe (6) communicates with the inside of the rotating tube (26) through the sleeve (28) and the connecting groove (211).

6. The dust removal device for fluorite drying exhaust gas according to claim 1, characterized in that: An air outlet pipe (7) is fixedly installed on the outside of the dust collector (1). The air outlet pipe (7) is connected to the inside of the dust collector (1). The connection between the air outlet pipe (7) and the dust collector (1) is located on the outside of the cylindrical dust collector net (4). An air pump (8) is fixedly installed on the outside of the air outlet pipe (7). The outer end of the air outlet pipe (7) is connected to the inlet of the air pump (8). The air pump (8) is electrically connected to the controller (5).

7. The dust removal device for fluorite drying exhaust gas according to claim 1, characterized in that: The cleaning component (3) includes a cleaning groove (31), which is located at the bottom of the dust collector (1). The cleaning groove (31) is located inside the cylindrical dust collector (4). A sealing block (32) is inserted into the cleaning groove (31). An installation plate (33) is fixedly installed at the bottom of the sealing block (32). A fixing plate (35) is fixedly installed on the outside of the installation plate (33). A handle (34) is fixedly installed at the bottom of the installation plate (33). A second bolt (36) is fixedly installed at the bottom of the dust collector (1). The second bolt (36) is inserted into the corresponding fixing plate (35). A nut (37) is screwed onto the outside of the second bolt (36). The nut (37) fits against the bottom of the fixing plate (35).

8. The dust removal device for fluorite drying exhaust gas according to claim 7, characterized in that: Springs (38) are fixedly installed on both the front and rear sides of the horizontal tube (210), and rubber hammer balls (39) are fixedly installed on the outer ends of the springs (38).

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