Silicon powder gas-solid separation device

Abstract

The utility model provides a silicon powder gas-solid separation device. The silicon powder gas-solid separation device comprises a mounting frame; the filter box is arranged on the mounting frame, a mounting position and a collecting position are arranged in the filter box, and the mounting position is located above the collecting position; the filter cartridge assembly is fixedly arranged at the mounting position, and the filter cartridge assembly is horizontally placed at the mounting position; the collecting part is fixedly arranged at the collecting position; wherein the filter box is provided with an air inlet and an air outlet, the air inlet is communicated with the air inlet end of the filter cartridge assembly, and the air outlet is communicated with the air outlet end of the filter cartridge assembly. The whole installation space of the device is saved, the filter drum assembly is horizontally arranged, silicon powder accumulation on the filter drum assembly can be effectively avoided, filter cakes are not prone to forming, and the running resistance of equipment is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of silicon powder recovery, and in particular to a silicon powder gas-solid separation device. Background Art

[0002] Industrial silicon powder is the basic raw material for the synthesis of silicone polymers in the silicone chemical industry. Usually, silicon powder is made from silicon blocks with a particle size of about 10 cm as the main raw material. After crushing and screening processes, silicon powder with a particle size range of 80-110μm is prepared.

[0003] At present, silicon powder is transported by air flow. After transportation, the silicon powder and gas need to be separated to complete the recovery of the silicon powder. The separation of silicon powder and gas generally uses a filtering device to filter the silicon powder, thereby realizing the collection of silicon powder. However, in existing devices, the structure of the filtering device used is too large and cannot be installed in some work sites with limited installation space, resulting in the inability to recycle the silicon powder. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of the utility model is to provide a silicon powder gas-solid separation device to solve the problem that the filtering device structure used in the existing devices in the prior art is too large and cannot be installed in some work sites with limited installation space, resulting in the inability to recycle the silicon powder.

[0005] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a silicon powder gas-solid separation device, comprising:

[0006] Mounting frame;

[0007] A filter box, the filter box is arranged on the mounting frame, and a mounting position and a collecting position are arranged in the filter box, and the mounting position is located above the collecting position;

[0008] A filter cartridge assembly, wherein the filter cartridge assembly is fixedly disposed at the installation position and the filter cartridge assembly is horizontally placed at the installation position;

[0009] A collecting part, wherein the collecting part is fixedly arranged at the collecting position;

[0010] Wherein, the filter box is also provided with an air inlet and an air outlet, the air inlet is connected with the air inlet end of the filter cartridge assembly, and the air outlet is connected with the air outlet end of the filter cartridge assembly.

[0011] Optionally, the filter cartridge assembly includes a plurality of filter cartridges, and the plurality of filter cartridges are arranged in the installation position.

[0012] Optionally, a first air inlet channel, a second air inlet channel and an exhaust channel are provided in the filter box, an air inlet end of the first air inlet channel is higher than an air outlet end of the first air inlet channel, and an air outlet end of the second air inlet channel is higher than an air inlet end of the second air inlet channel;

[0013] The outlet end of the first air inlet channel is connected to the inlet end of the second air inlet channel, the outlet end of the second air inlet channel is connected to the inlet end of the filter cartridge assembly, and the outlet end of the filter cartridge assembly is connected to the exhaust channel.

[0014] Optionally, a horizontal isolation plate and a vertical isolation plate are detachably provided on the installation position of the filter box, and the horizontal isolation plate and the vertical isolation plate divide the installation position into a plurality of installation cavities, and a plurality of the filter cartridges are horizontally arranged in the installation cavities.

[0015] Optionally, both the horizontal isolation plate and the vertical isolation plate are provided with weight-reducing holes.

[0016] Optionally, a reinforcing plate is provided at the bottom of each installation cavity, the reinforcing plate is provided along the length direction of the filter cartridge, and both ends of the reinforcing plate are fixedly connected to the inner wall of the installation frame.

[0017] Optionally, a positioning plate is provided on the filter cartridge, a positioning groove is provided in the installation cavity, and the positioning plate cooperates with the positioning groove for positioning.

[0018] Optionally, a pulse jet assembly is further provided in the mounting frame, and an air outlet end of the pulse jet assembly faces an air inlet end of the filter cartridge assembly.

[0019] Optionally, an explosion vent is provided on the side of the filter box.

[0020] Optionally, a detection component for detecting the interior of the filter box is provided in the filter box.

[0021] As described above, the beneficial effects brought about by the technical solution in the utility model include at least: the device saves the overall installation space of the device by horizontally setting the filter cartridge assembly and changing the air intake and exhaust methods of the filter box, and the horizontal setting of the filter cartridge assembly can effectively avoid the accumulation of silicon powder on the filter cartridge assembly, making it difficult to form filter cakes, thereby reducing the resistance of equipment operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A front view of a separation device showing an exemplary embodiment of the present invention;

[0023] Figure 2 A side view of a separation device showing an exemplary embodiment of the present invention;

[0024] Figure 3A top view of a separation device showing an exemplary embodiment of the present invention;

[0025] Figure 4 A cross-sectional view of a separation device showing an exemplary embodiment of the present invention;

[0026] Figure 5 Shown is a cross-sectional view of a filter cartridge according to an exemplary embodiment of the present invention.

[0027] Part Number Description

[0028] 1. Mounting frame; 2. Filter box; 3. Air inlet; 4. Air outlet; 5. Filter cartridge; 6. Reinforcement plate; 7. Positioning plate; 8. Positioning groove; 9. Pulse spray assembly; 10. Explosion vent; 11. Collection part. DETAILED DESCRIPTION

[0029] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0030] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0031] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides a silicon powder gas-solid separation device, comprising: a mounting frame 1; a filter box 2, the filter box 2 is arranged on the mounting frame 1, and a mounting position and a collecting position are arranged in the filter box 2, and the mounting position is above the collecting position; a filter cartridge assembly, the filter cartridge assembly is fixedly arranged at the mounting position, and the filter cartridge assembly is horizontally placed at the mounting position; a collecting part 11, the collecting part 11 is fixedly arranged at the collecting position; wherein, an air inlet 3 and an air outlet 4 are also arranged on the filter box 2, the air inlet 3 is connected to the air inlet end of the filter cartridge assembly, and the air outlet 4 is connected to the air outlet end of the filter cartridge assembly.

[0032] In one embodiment of the present application, specifically, the device includes a mounting frame 1, a filter box 2, a filter cartridge assembly and a collecting portion 11. The filter box 2 is arranged on the mounting frame 1, and the filter box 2 is located directly above the mounting frame 1. The filter box 2 is a closed box body, and an air inlet and an air outlet 4 are opened on the filter box 2. The air inlet and the air outlet 4 are respectively opened on both sides of the upper part of the filter box 2. A mounting position and a collecting position are arranged in the filter box 2, and the mounting position is above the collecting position. The filter cartridge assembly is arranged at the mounting position, and the collecting portion 11 is arranged at the collecting position. In this embodiment, the collecting portion 11 adopts an inverted conical collecting bucket, and a discharge port is provided at the bottom of the collecting bucket for uniformly collecting silicon powder. The filter cartridge assembly is placed horizontally on the installation position. Horizontal placement can reduce the overall height of the device. At the same time, it is not easy to form a filter cake at the bottom of the filter cartridge 5, which reduces the resistance of the equipment operation. One end of the horizontally placed filter cartridge assembly is connected to the air inlet 3, and the other end of the filter cartridge assembly is connected to the air outlet 4. The horizontally placed filter cartridge assembly divides the interior of the filter box 2 into two spaces. The front end of the filter cartridge assembly is a gas-solid mixing space, and the rear end of the filter cartridge assembly is a filtered gas space.

[0033] The filter cartridge assembly includes a plurality of filter cartridges 5, and the plurality of filter cartridges 5 are arranged in an array at the installation position.

[0034] In one embodiment of the present application, specifically, the filter cartridge assembly includes six filter cartridges 5 , and the six filter cartridges 5 are arranged in two rows, with three filter cartridges in each row, and each filter cartridge 5 is placed horizontally.

[0035] The filter box 2 is provided with a first air inlet channel, a second air inlet channel and an exhaust channel, the air inlet end of the first air inlet channel is higher than the air outlet end of the first air inlet channel, and the air outlet end of the second air inlet channel is higher than the air inlet end of the second air inlet channel;

[0036] The outlet end of the first air inlet channel is connected to the inlet end of the second air inlet channel, the outlet end of the second air inlet channel is connected to the inlet end of the filter cartridge assembly, and the outlet end of the filter cartridge assembly is connected to the exhaust channel.

[0037] In one embodiment of the present application, specifically, a first air inlet channel and a second air inlet channel are provided in the filter box 2, the first air inlet channel is connected to the air inlet, and a baffle is provided between the first air inlet channel and the second air inlet channel, the baffle divides the upper and middle parts of the first air inlet channel and the second air inlet channel, so that only the bottom of the first air inlet channel and the second air inlet channel are connected, that is, after the silicon powder gas-solid mixture enters from the air inlet, it moves downward along the first air inlet channel, and then moves upward along the second air inlet channel, and finally the gas is filtered through the filter cartridge 5 and enters the exhaust channel. In this process, as the silicon powder gas-solid mixture moves downward, some solids will fall into the collecting part 11, completing the first preliminary gas-solid separation.

[0038] A horizontal isolation plate and a vertical isolation plate are detachably provided on the installation position of the filter box 2, and the horizontal isolation plate and the vertical isolation plate divide the installation position into a plurality of installation cavities, and a plurality of the filter cartridges 5 are horizontally arranged in the installation cavities.

[0039] In one embodiment of the present application, specifically, a plurality of horizontal isolation plates and a plurality of vertical isolation plates are provided in the filter box 2, and the plurality of horizontal isolation plates and the vertical isolation plates divide the filter box 2 into six installation cavities, and a filter cartridge 5 is placed in each of the six installation cavities. The horizontal isolation plates and the vertical isolation plates are both installed in a detachable manner, which facilitates the disassembly, maintenance, and replacement of the horizontal isolation plates and the vertical isolation plates.

[0040] Furthermore, the horizontal isolation plate and the vertical isolation plate are both provided with weight-reducing holes.

[0041] A reinforcing plate 6 is disposed at the bottom of each installation cavity. The reinforcing plate 6 is disposed along the length direction of the filter cartridge 5 , and both ends of the reinforcing plate 6 are fixedly connected to the inner wall of the installation frame 1 .

[0042] In one embodiment of the present application, specifically, reinforcing plates 6 are provided at the bottom of both sides of the installation cavity in the length direction, and the reinforcing plates 6 are connected to the inner wall of the filter box 2. The reinforcing plates 6 support the filter cartridge 5 to avoid deformation of the isolation plate due to insufficient supporting strength of the isolation plate, and also facilitate fixing and tightening the filter cartridge 5.

[0043] See also Figure 4 and Figure 5 In one embodiment of the present application, specifically, a positioning plate 7 is provided on the filter cartridge 5, and a positioning groove 8 is provided in the installation cavity. The positioning plate 7 cooperates with the positioning groove 8 for positioning. When installing the filter cartridge 5, the positioning plate 7 is aligned with the position of the positioning groove 8 and pushed until the positioning plate 7 is placed in the positioning groove 8, thereby completing the positioning of the filter cartridge 5 during installation.

[0044] In one embodiment of the present application, specifically, a pulse spray assembly 9 is further provided in the mounting frame 1, and the air outlet end of the pulse spray assembly 9 is facing the air inlet end of the filter cartridge assembly. The pulse spray assembly 9 sprays the air inlet end of the filter cartridge 5 to blow off the silicon powder at the air inlet end of the filter cartridge 5, thereby avoiding excessive accumulation of silicon powder, which may cause blockage or partial blockage of the filter cartridge 5 and affect the efficiency of gas-solid separation of the silicon powder.

[0045] In one embodiment of the present application, specifically, an explosion vent 10 is provided on the side of the filter box 2 to prevent explosion caused by excessive air pressure.

[0046] See also Figure 4In one embodiment of the present application, specifically, the filter box 2 is provided with a detection component for detecting the inside of the filter box 2, including a temperature detection component, a pressure detection component, and a material level detection component. The temperature detection component detects the temperature inside the filter box 2. When the temperature is too high, the temperature detection component alarms and interlocks to shut down. When the pressure detection component detects that the pressure difference is too large, the pulse spray component 9 is started to spray the filter cartridge 5. The material level detection component is located at the collection position. When the material level is too high, the material level detection component alarms and interlocks to unload.

[0047] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A silicon powder gas-solid separation device, characterized in that: include: Mounting frame; A filter box, the filter box is arranged on the mounting frame, and a mounting position and a collecting position are arranged in the filter box, and the mounting position is located above the collecting position; A filter cartridge assembly, wherein the filter cartridge assembly is fixedly disposed at the installation position and the filter cartridge assembly is horizontally placed at the installation position; A collecting part, wherein the collecting part is fixedly arranged at the collecting position; Wherein, the filter box is also provided with an air inlet and an air outlet, the air inlet is communicated with the air inlet end of the filter cartridge assembly, and the air outlet is communicated with the air outlet end of the filter cartridge assembly.

2. A silicon powder gas-solid separation device according to claim 1, characterized in that: The filter cartridge assembly includes a plurality of filter cartridges, and the plurality of filter cartridges are arranged in an array at the installation position.

3. A silicon powder gas-solid separation device according to claim 2, characterized in that: The filter box is provided with a first air inlet channel, a second air inlet channel and an exhaust channel, the air inlet end of the first air inlet channel is higher than the air outlet end of the first air inlet channel, and the air outlet end of the second air inlet channel is higher than the air inlet end of the second air inlet channel; The outlet end of the first air inlet channel is connected to the inlet end of the second air inlet channel, the outlet end of the second air inlet channel is connected to the inlet end of the filter cartridge assembly, and the outlet end of the filter cartridge assembly is connected to the exhaust channel.

4. A silicon powder gas-solid separation device according to claim 2, characterized in that: A horizontal isolation plate and a vertical isolation plate are detachably provided on the installation position of the filter box. The horizontal isolation plate and the vertical isolation plate divide the installation position into a plurality of installation cavities. A plurality of filter cartridges are horizontally arranged in the installation cavities.

5. The silicon powder gas-solid separation device according to claim 4, characterized in that: The horizontal isolation plates and the vertical isolation plates are both provided with weight-reducing holes.

6. The silicon powder gas-solid separation device according to claim 4, characterized in that: A reinforcing plate is provided at the bottom of each installation cavity. The reinforcing plate is provided along the length direction of the filter cartridge. Both ends of the reinforcing plate are fixedly connected to the inner wall of the installation frame.

7. The silicon powder gas-solid separation device according to claim 6, characterized in that: The filter cartridges are all provided with positioning plates, the mounting cavities are all provided with positioning grooves, and the positioning plates cooperate with the positioning grooves for positioning.

8. The silicon powder gas-solid separation device according to claim 2, characterized in that: A pulse spray assembly is also arranged in the mounting frame, and the air outlet end of the pulse spray assembly is directly opposite to the air inlet end of the filter cartridge assembly.

9. The silicon powder gas-solid separation device according to claim 1, characterized in that: An explosion vent is arranged on the side of the filter box.

10. The silicon powder gas-solid separation device according to claim 1, characterized in that: The filter box is provided with a detection component for detecting the interior of the filter box.

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