Powder collector for radio frequency pulverizing system

Abstract

A powder collector for a radio frequency pulverizing system relates to the technical field of radio frequency pulverizing and comprises a shell, a partition plate, a filter unit, a cleaning unit, a first driving unit and a second driving unit, the interior of an inner cavity of the shell is divided into an upper layer and a lower layer by the partition plate, and the first driving unit and the second driving unit are arranged at the top of the shell; a filtering unit is arranged in the shell and comprises a first rotating shaft, a tail gas pipe and a filtering bag, and the first rotating shaft penetrates through the partition plate and the top of the shell in a sealed mode and then is correspondingly connected with a first driving unit; a shaft body of the first rotating shaft is fixedly connected with a tail gas pipe through a mounting frame, and a plurality of air holes are uniformly distributed in a pipe body of the tail gas pipe; a filter bag is fixedly arranged on the outer wall surface of the tail gas pipe; a cleaning unit is arranged in the shell and is used for cleaning the filter bag, and the cleaning unit is correspondingly connected with the second driving unit; the powder collecting device can achieve complete collection of powder and is low in cost.

Description

Technical Field

[0001] The utility model relates to the field of radio frequency powder making technology, and specifically to a powder collector for a radio frequency powder making system. Background Technology

[0002] In radio frequency powder production systems, powder is generated in the form of a powder-gas mixture. The powder collector is a device that uses filtration to separate the powder from the powder-gas mixture, thereby achieving centralized collection of powder and orderly discharge of exhaust gas.

[0003] In existing powder collectors, the powder adhering to the filter bags usually needs to be stopped first and then manually cleaned to collect the powder. However, during the cleaning process, the filter bags are exposed to the air, so the powder is easily scattered, resulting in losses, environmental pollution, reduced efficiency, and wasted manpower.

[0004] The Chinese patent for a bag filter dust collector (publication number CN117443095B) and its anti-corrosion coating production system include the bag filter dust collector. The system uses a drive rod to rotate the cleaning rod and cleaning brush around the filter bag. The cleaning brush sweeps the dust off the surface of the filter bag. At the same time, the drive rod can raise and lower the cleaning rod to expand the cleaning range of the cleaning brush and perform more comprehensive dust cleaning on the filter bag. However, the structure of this system is too complex and the production cost is too high.

[0005] Therefore, we propose a device that can completely collect powder at a low cost. Utility Model Content

[0006] The purpose of this invention is to provide a powder collector for a radio frequency powder preparation system, which can achieve complete powder collection and has a low cost.

[0007] This utility model is achieved through the following technical solution:

[0008] A powder collector for a radio frequency powder preparation system includes a housing, a partition, a filter unit, a cleaning unit, a first drive unit, and a second drive unit. The inner cavity of the housing is divided into upper and lower layers by the partition. The upper layer is an exhaust layer and is connected to the exhaust gas treatment system, while the lower layer is a collection layer and is connected to the powder preparation system. The top of the housing is provided with the first drive unit and the second drive unit.

[0009] The housing is equipped with a filter unit, which includes a first rotating shaft, an exhaust pipe and a filter bag. The first rotating shaft is sealed through the partition and the top of the housing and is connected to the first drive unit.

[0010] The shaft of the first rotating shaft is fixedly connected to the exhaust pipe through a mounting bracket. The top of the exhaust pipe abuts against the inner top surface of the housing, and the bottom of the exhaust pipe abuts against the inner bottom surface of the housing. The exhaust pipe has multiple air holes evenly distributed on its body.

[0011] A filter bag is fixedly installed on the outer wall of the exhaust pipe. The top of the filter bag abuts against the partition, and the bottom of the filter bag abuts against the bottom of the shell.

[0012] The housing is equipped with a cleaning unit for cleaning the filter bag, and the cleaning unit is connected to the second drive unit.

[0013] Furthermore, the bottom of the housing is provided with a powder discharge hole, and a collection unit is connected to the bottom of the housing.

[0014] Furthermore, the collection unit includes a collection funnel, a first vacuum butterfly valve, a quick-connect fitting, a second vacuum butterfly valve, and a collection tank, wherein the large-diameter end of the collection funnel is connected to the bottom of the shell, and the small-diameter end of the collection funnel is connected to the first vacuum butterfly valve.

[0015] The first vacuum butterfly valve is connected to the second vacuum butterfly valve via a quick-connect coupling, and the second vacuum butterfly valve is connected to the collection tank.

[0016] Furthermore, the cleaning unit includes a second rotating shaft and a cleaning brush, wherein the head end of the second rotating shaft passes through the partition and the top of the housing and is connected to the second drive unit, and the tail end of the second rotating shaft is installed at the bottom of the housing through a bearing seat; the second rotating shaft is provided with a cleaning brush on its shaft body located in the filter layer.

[0017] Furthermore, the overall height of the cleaning brush is consistent with the overall height of the filter bag.

[0018] Furthermore, both the first drive unit and the second drive unit consist of a speed-regulating motor, a reducer, and a coupling, wherein the coupling is connected to the cleaning unit or the filtering unit respectively.

[0019] The technical solution of this utility model has at least the following advantages and beneficial effects:

[0020] This utility model discloses a powder collector for a radio frequency powder preparation system. By dividing the shell into two layers, the powder collection step and the exhaust gas discharge step without powder can be separated, ensuring effective powder collection and the purity of exhaust gas.

[0021] The cleaning unit can collect the powder on the surface of the filter bag inside the housing, thus avoiding the powder loss caused by the traditional method of removing the filter bag for outdoor collection, and achieving complete powder collection; moreover, the collector has a simple structure and low production cost. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of one structure of the present utility model.

[0023] Figure 2 This is a schematic diagram of the filter unit structure of this utility model.

[0024] Figure 3 This is a schematic diagram of the collection unit structure of this utility model.

[0025] Figure 4 This is a schematic diagram of the first drive unit structure of this utility model.

[0026] Reference numerals: 1. Shell; 11. Exhaust layer; 12. Collection layer; 13. Powder drop hole; 2. Baffle; 3. Filter unit; 31. First rotating shaft; 32. Mounting bracket; 33. Exhaust pipe; 34. Filter bag; 4. Cleaning unit; 41. Second rotating shaft; 42. Cleaning brush; 5. First drive unit; 51. Speed ​​regulating motor; 52. Reducer; 53. Coupling; 6. Second drive unit; 7. Collection unit; 71. Collection funnel; 72. First vacuum butterfly valve; 73. Quick-connect coupling; 74. Second vacuum butterfly valve; 75. Collection tank. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] In the description of this utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, they are only for the convenience of describing this utility model 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 utility model.

[0031] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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 mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] Example 1

[0033] like Figure 1-2 The powder collector for a radio frequency powder preparation system shown includes a housing 1, a partition 2, a first driving unit 5, and a second driving unit 6. The inner cavity of the housing 1 is divided into upper and lower layers by the partition 2. The upper layer is an exhaust layer 11 and is connected to the exhaust gas treatment system, and the lower layer is a collection layer 12 and is connected to the powder preparation system. The top of the housing 1 is provided with the first driving unit 5 and the second driving unit 6.

[0034] By dividing the shell 1 into two layers, the powder collection step and the exhaust gas discharge step without powder can be separated, ensuring effective collection of powder and purity of exhaust gas.

[0035] The housing 1 is provided with a filter unit 3, which includes a first rotating shaft 31, an exhaust pipe 33 and a filter bag 34. The first rotating shaft 31 is sealed through the partition 2 and the top of the housing 1 and is connected to the first drive unit 5. The shaft of the first rotating shaft 31 is fixedly connected to the exhaust pipe 33 through the mounting bracket 32. The top of the exhaust pipe 33 is in contact with the inner top surface of the housing 1, and the bottom of the exhaust pipe 33 is in contact with the inner bottom surface of the housing 1. The exhaust pipe 33 has multiple air holes evenly distributed on its body.

[0036] A filter bag 34 is fixedly provided on the outer wall of the exhaust pipe 33. The top of the filter bag 34 abuts against the partition 2, and the bottom of the filter bag 34 abuts against the bottom surface of the housing 1.

[0037] The first drive unit 5 drives the first rotating shaft 31 to rotate, thereby driving the exhaust pipe 33 and the filter bag 34 to rotate, so that the surface of the filter bag 34 can filter the powder gas comprehensively and improve the filtration effect of the powder. It should be noted that the part of the housing 1 that is connected to the powder making system should face the filter bag 34, so that the surface of the filter bag 34 can filter the powder gas during the rotation of the filter bag 34.

[0038] When the powder gas output from the powder making system enters the filter layer of the housing 1, it will first pass through the filter bag 34, so that the powder is blocked on the surface of the filter bag 34. The exhaust gas without powder will enter the exhaust pipe 33 through the air hole, and then the exhaust gas will enter the exhaust layer 11 along the exhaust pipe 33. Finally, it will be discharged from the air hole to the exhaust layer 11 of the housing 1 and enter the exhaust gas treatment system to achieve the filtration and collection of powder and the centralized discharge of exhaust gas.

[0039] It should be noted that the fineness of the powder is in the micron or nanometer range, therefore the filter bag 34 is required to be smaller than this fineness.

[0040] The housing 1 is provided with a cleaning unit 4, which is used to clean the filter bag 34, and the cleaning unit 4 is connected to the second drive unit 6 accordingly.

[0041] The second drive unit 6 is activated to control the cleaning unit 4 to simultaneously clean the powder on the surface of the filter bag 34, thereby collecting the powder inside the housing 1 and avoiding the powder loss caused by the traditional method of removing the filter bag 34 for outdoor collection.

[0042] In addition, the second drive unit 6 is driven by a cycle and can control the start time of the cleaning unit 4. Furthermore, an image recognition unit can be set inside the housing 1. By detecting the degree of powder adhesion on the surface of the filter bag 34, the second drive unit 6 is controlled to start after the degree of powder adhesion reaches a certain threshold, thereby controlling the cleaning unit 4 to clean the surface of the filter bag 34, thereby sweeping off the powder and improving the filtration efficiency of the filter bag 34.

[0043] It should be noted that in this collector, the first drive unit 5 and the second drive unit 6 drive the filter unit 3 and the cleaning unit 4 respectively. When the second drive unit 6 is working, the system will stop inputting powder into the housing 1 to avoid interfering with the cleaning unit 4's step of sweeping off the powder, ensuring that the powder can fall to the bottom of the housing 1 and be effectively collected.

[0044] Example 2

[0045] like Figure 3The bottom of the housing 1 is provided with a powder discharge hole 13, and the bottom of the housing 1 is connected to a collection unit 7. That is, after the cleaning unit 4 sweeps away the powder adhering to the surface of the filter bag 34, the powder will enter the collection unit 7 through the powder discharge hole 13 and be effectively collected.

[0046] In addition, the collection unit 7 includes a collection funnel 71, a first vacuum butterfly valve 72, a quick-release connector 73, a second vacuum butterfly valve 74, and a collection tank 75, wherein the large-diameter end of the collection funnel 71 is connected to the bottom of the housing 1, and the small-diameter end of the collection funnel 71 is connected to the first vacuum butterfly valve 72.

[0047] The first vacuum butterfly valve 72 is connected to the second vacuum butterfly valve 74 via a quick-connect coupling 73, and the second vacuum butterfly valve 74 is connected to the collection tank 75;

[0048] The collecting funnel 71 can fit into the bottom of the shell 1, and the shape of the funnel 71 can improve the collection efficiency of powder. In addition, the two vacuum butterfly valves and quick-connect coupling 73 can buffer the powder entering the collecting tank 75. When the powder in the collecting tank 75 is about to be full, the first vacuum butterfly valve 72 is closed first, and then the second vacuum butterfly valve 74 is closed after the powder in the quick-connect coupling 73 has also fallen into the collecting tank 75. The quick-connect coupling 73 can realize the quick connection between the first vacuum butterfly valve 72 and the second vacuum butterfly valve 74, thereby facilitating the replacement of the second vacuum butterfly valve 74 and the collecting tank 75.

[0049] It should be noted that, in order to improve the loading efficiency of the collection tank 75, a flow meter and a processor connected to the flow meter can be installed at the first vacuum butterfly valve 72. The flow meter records the amount of powder passing through the first vacuum butterfly valve 72 and calculates whether the collection tank 75 is full. When it is full, the processor controls the first vacuum butterfly valve 72 to close in time, which can ensure that each collection tank 75 can be filled, thereby improving the loading efficiency of the collection tank 75.

[0050] Example 3

[0051] The cleaning unit 4 includes a second rotating shaft 41 and a cleaning brush 42. The head end of the second rotating shaft 41 passes through the top of the partition 2 and the housing 1 and is connected to the second drive unit 6. The tail end of the second rotating shaft 41 is installed at the bottom of the housing 1 through a bearing seat. The cleaning brush 42 is provided on the shaft of the second rotating shaft 41 located in the filter layer. It should be noted that the brush head end of the cleaning brush 42 abuts against the surface of the filter bag 34. When the second drive unit 6 drives the second rotating shaft 41 to rotate, and then drives the cleaning brush 42 to rotate along the second rotating shaft 41, the powder on the surface of the filter bag 34 can be swept off.

[0052] In addition, the overall height of the cleaning brush 42 is the same as the overall height of the filter bag 34, allowing the cleaning brush 42 to thoroughly clean the surface of the filter bag 34.

[0053] Example 4

[0054] like Figure 4 The first drive unit 5 and the second drive unit 6 are both composed of a speed-regulating motor 51, a reducer 52, and a coupling 53, wherein the coupling 53 is connected to the cleaning unit 4 or the filtering unit 3 respectively; wherein the speed-regulating motor 51 can adjust the output speed according to actual needs to achieve stepless speed regulation, thereby controlling the rotation speed of the filtering unit 3 or the cleaning unit 4. By controlling the rotation speed of the filtering unit 3, the collection efficiency of the filtering unit 3 for powder and gas can be changed. That is, if the amount of powder and gas flowing into the housing 1 is small, the speed of the filtering unit 3 can be slowed down to achieve sufficient collection of powder in the powder and gas; in addition, by controlling the relative rotation speed of the filtering unit 3 or the cleaning unit 4, the cleaning effect of the cleaning unit 4 can be effectively improved.

[0055] The reducer 52 can significantly increase the output torque, and the coupling 53 can ensure the smoothness and reliability of power transmission.

[0056] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A powder collector for a radio frequency powder generation system, characterized in that: The system includes a housing (1), a partition (2), a filter unit (3), a cleaning unit (4), a first drive unit (5), and a second drive unit (6). The inner cavity of the housing (1) is divided into upper and lower layers by the partition (2). The upper layer is an exhaust layer (11) and is connected to the exhaust gas treatment system, while the lower layer is a collection layer (12) and is connected to the powder making system. The top of the housing (1) is provided with the first drive unit (5) and the second drive unit (6). The housing (1) is provided with a filter unit (3), which includes a first rotating shaft (31), an exhaust pipe (33) and a filter bag (34). The first rotating shaft (31) is sealed through the partition (2) and the top of the housing (1) and is connected to the first drive unit (5). The shaft of the first rotating shaft (31) is fixedly connected to the exhaust pipe (33) through the mounting bracket (32). The top of the exhaust pipe (33) is in contact with the inner top surface of the housing (1), and the bottom of the exhaust pipe (33) is in contact with the inner bottom surface of the housing (1). The exhaust pipe (33) has multiple air holes evenly distributed on its body. A filter bag (34) is fixedly provided on the outer wall of the exhaust pipe (33). The top of the filter bag (34) is in contact with the partition (2), and the bottom of the filter bag (34) is in contact with the bottom of the shell (1). The housing (1) is provided with a cleaning unit (4), which is used to clean the filter bag (34), and the cleaning unit (4) is connected to the second drive unit (6).

2. The powder collector for the radio frequency powder preparation system according to claim 1, characterized in that: The bottom of the housing (1) is provided with a powder drop hole (13), and a collection unit (7) is connected to the bottom of the housing (1).

3. The powder collector for the radio frequency powder preparation system according to claim 2, characterized in that: The collection unit (7) includes a collection funnel (71), a first vacuum butterfly valve (72), a quick-release connector (73), a second vacuum butterfly valve (74), and a collection tank (75), wherein the large-diameter end of the collection funnel (71) is connected to the bottom of the shell (1), and the small-diameter end of the collection funnel (71) is connected to the first vacuum butterfly valve (72). The first vacuum butterfly valve (72) is connected to the second vacuum butterfly valve (74) via a quick-connect coupling (73), and the second vacuum butterfly valve (74) is connected to the collection tank (75).

4. The powder collector for the radio frequency powder preparation system according to claim 1, characterized in that: The cleaning unit (4) includes a second rotating shaft (41) and a cleaning brush (42). The head end of the second rotating shaft (41) passes through the top of the partition (2) and the housing (1) and is connected to the second drive unit (6). The tail end of the second rotating shaft (41) is installed at the bottom of the housing (1) through a bearing seat. The second rotating shaft (41) is provided with a cleaning brush (42) on its shaft body located in the filter layer.

5. The powder collector for the radio frequency powder preparation system according to claim 4, characterized in that: The overall height of the cleaning brush (42) is the same as the overall height of the filter bag (34).

6. The powder collector for the radio frequency powder preparation system according to claim 1, characterized in that: The first drive unit (5) and the second drive unit (6) are both composed of a speed-regulating motor (51), a reducer (52) and a coupling (53), wherein the coupling (53) is connected to the cleaning unit (4) or the filtering unit (3).

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