Dust removal device in grain processing
The quick-installation and disassembly filter plate structure and tungsten carbide coating solve the problem of time-consuming filter plate replacement, improve the efficiency and wear resistance of the equipment, and reduce production interruptions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GAN GONG COUNTY YUKOUZI RICE IND CO LTD
- Filing Date
- 2025-06-09
- Publication Date
- 2026-05-15
AI Technical Summary
Existing dust removal devices in grain processing require a significant amount of time to replace or clean the filter plates, resulting in prolonged equipment downtime and impacting production progress.
A quick-installation and disassembly filter plate structure was designed. The filter plate can be easily disassembled and installed by the cooperation of the pressing block and the adjusting rod. The wear resistance of the negative pressure adsorption component is improved by the tungsten carbide coating.
This significantly reduces the maintenance time of the filter plates, improves the efficiency of equipment use, reduces production interruptions, and extends the service life of the equipment.
Smart Images

Figure CN224237755U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grain processing technology, and in particular to a dust removal device for grain processing. Background Technology
[0002] Grain processing refers to the process of processing grain raw materials through a series of physical, chemical, or biological methods to produce various products. Grain processing generates a large amount of dust. If not handled in time, this dust can accumulate in the air and easily reach the explosion limit. When it comes into contact with open flames or static electricity, it may cause a dust explosion, seriously threatening production safety. Dust removal devices can collect and treat this dust in a timely and effective manner, reduce the dust concentration in the air, thereby eliminating the risk of dust explosion and ensuring the safety of the production environment.
[0003] In existing dust removal devices used in grain processing, the filter plates used to filter dust can become clogged after long-term use. In this case, they need to be replaced in time to ensure the efficiency of filtration. However, some traditional filter plate installation methods generally use screws and bolts, which require a variety of tools and a series of complicated steps to disassemble and install. This not only increases the workload and difficulty for maintenance personnel, but also leads to long-term equipment downtime, thereby affecting the production schedule. Summary of the Invention
[0004] The technical problem to be solved by this utility model is that the existing technology has the disadvantage that the filter plates used for filtering dust require a lot of time to install, dismantle and replace, resulting in long equipment downtime. To this end, we propose a dust removal device for grain processing.
[0005] To achieve the above objectives, this application adopts the following technical solution: a dust removal device for grain processing, comprising a dust storage bin, an output pipe installed at the rear of the dust storage bin, a negative pressure adsorption component installed at the top of the dust storage bin, an air inlet pipe installed at the top of the negative pressure adsorption component, a connecting pipe installed at the top of the air inlet pipe, a fixing block fixedly connected to the front end of the air inlet pipe, a replacement groove opened at the front end of the air inlet pipe, a filter plate slidably connected inside the replacement groove, a limit groove opened at the top of the filter plate, a fixing rod fixedly connected to the bottom end of the fixing block, an adjusting rod slidably connected inside the fixing rod, the limit groove and the adjusting rod being inserted into each other, a pressing groove opened at the front end of the adjusting rod, a spring fixedly connected inside the pressing groove, a pressing block fixedly connected to the end of the spring spring, two spring outlets opened at the front end of the fixing rod, and the interiors of the pressing groove and the spring outlets being slidably connected to the pressing block.
[0006] Preferably, a first sliding groove is provided on both sides of the inside of the pressing groove, and a first slider is fixedly connected to both sides of the pressing block, and the inside of the first sliding groove is slidably connected to the first slider.
[0007] Preferably, a second sliding groove is provided on both sides of the inside of the fixed rod, and a second slider is fixedly connected to both sides of the adjusting rod, with the inside of the second sliding groove slidably connected to the second slider.
[0008] Preferably, a return spring is fixedly connected inside the fixed rod, and the end of the return spring near the adjusting rod is fixedly connected to the adjusting rod.
[0009] Preferably, the inner diameter of the limiting groove is designed to match the size of the adjusting rod.
[0010] Preferably, two limiting plates are installed at the top of the negative pressure adsorption component, and the inner side of the limiting plates is slidably connected to the surface of the filter plate.
[0011] Preferably, the interior of the negative pressure adsorption component is coated with a tungsten carbide coating.
[0012] The technical effects and advantages of this utility model are as follows:
[0013] In this invention, when the filter plate becomes clogged and needs to be replaced or disassembled for cleaning, the pressing block is pressed inward to release the adjusting rod. Then, the adjusting rod is moved to pull it out from inside the limiting groove, releasing the filter plate. The filter plate can then be pulled out for cleaning or replacement. After completion, the filter plate is slid back into the replacement groove, and the adjusting rod is moved to insert it into the limiting groove. The pressing block is then aligned with the pop-out outlet, and the elastic force of the spring causes the pressing block to pop out into the pop-out outlet, achieving convenient fixing after the filter plate is replaced or cleaned. During grain processing, filter plates can become clogged due to long-term filtration of dust, requiring regular cleaning or replacement. The quick-installation and removal of filter plates can greatly shorten maintenance time, improve equipment efficiency, and reduce production interruptions caused by equipment maintenance. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the main structure of the dust removal device of this utility model;
[0015] Figure 2 This is a schematic diagram of the negative pressure adsorption component and air inlet pipe of this utility model.
[0016] Figure 3 This is a schematic diagram of the main structure of the connecting pipe of this utility model;
[0017] Figure 4 This is a schematic diagram of the air inlet pipe and filter plate structure of this utility model;
[0018] Figure 5 This is a cross-sectional schematic diagram of the internal structure of the adjusting rod of this utility model;
[0019] Figure 6 This is a cross-sectional schematic diagram of the internal structure of the fixing rod of this utility model.
[0020] Legend: 1. Dust storage bin; 2. Output pipe; 3. Negative pressure adsorption assembly; 4. Air inlet pipe; 5. Connecting pipe; 6. Fixing block; 7. Replacement slot; 8. Filter plate; 9. Limiting slot; 10. Fixing rod; 11. Adjusting rod; 12. Pressing slot; 13. Spring; 14. Pressing block; 15. Spring outlet; 16. First slide groove; 17. First slider; 18. Second slide groove; 19. Second slider; 20. Return spring; 21. Limiting plate. Detailed Implementation
[0021] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.
[0022] Reference Figures 1-5 As shown, this utility model provides a technical solution: a dust removal device for grain processing, including a dust storage bin 1, an output pipe 2 installed at the rear of the dust storage bin 1, a negative pressure adsorption component 3 installed at the top of the dust storage bin 1, an air inlet pipe 4 installed at the top of the negative pressure adsorption component 3, a connecting pipe 5 installed at the top of the air inlet pipe 4, a fixing block 6 fixedly connected to the front end of the air inlet pipe 4, a replacement groove 7 opened at the front end of the air inlet pipe 4, a filter plate 8 slidably connected inside the replacement groove 7, a limiting groove 9 opened at the top of the filter plate 8, a fixing rod 10 fixedly connected to the bottom end of the fixing block 6, an adjusting rod 11 slidably connected inside the fixing rod 10, the limiting groove 9 and the adjusting rod 11 are inserted into each other, a pressing groove 12 opened at the front end of the adjusting rod 11, a spring spring 13 fixedly connected inside the pressing groove 12, a pressing block 14 fixedly connected to the end of the spring spring 13, and two spring outlets 15 opened at the front end of the fixing rod 10. The inside of the pressing groove 12 and the pop-outlet 15 are both slidably connected to the pressing block 14. When the filter plate 8 becomes clogged and needs to be replaced or disassembled for cleaning, the pressing block 14 is pressed inward to release the adjusting rod 11. Then, the adjusting rod 11 is moved to pull it out from the inside of the limiting groove 9, releasing the filter plate 8. The filter plate 8 can then be pulled out for cleaning or replacement. After completion, the filter plate 8 is slid back into the replacement groove 7, and the adjusting rod 11 is moved to insert into the limiting groove 9. The pressing block 14 is then aligned with the pop-outlet 15. At this time, the elastic force of the spring spring 13 causes the pressing block 14 to pop out into the pop-outlet 15, achieving convenient fixation of the filter plate 8 after replacement or cleaning. During grain processing, the filter plate 8 will become clogged due to long-term filtration of dust and needs to be cleaned or replaced regularly. The quick-installable and removable filter plate 8 can greatly shorten maintenance time, improve equipment efficiency, and reduce production interruptions caused by equipment maintenance.
[0023] Reference Figure 5As shown in this embodiment: First sliding grooves 16 are provided on both sides of the inside of the pressing groove 12, and first sliders 17 are fixedly connected to both sides of the pressing block 14. The inside of the first sliding groove 16 is slidably connected to the first slider 17. Through the setting of the first sliding groove 16 and the first slider 17, when the pressing block 14 is popped into the pop-outlet 15 by the elastic force of the elastic spring 13, it can have a stable movement trajectory, so that the pressing block 14 will not pop out excessively, effectively improving the fixed stability of the adjusting rod 11 after movement.
[0024] Reference Figure 6 As shown in this embodiment: a second sliding groove 18 is provided on both sides of the inside of the fixed rod 10, and a second slider 19 is fixedly connected to both sides of the adjusting rod 11. The inside of the second sliding groove 18 is slidably connected to the second slider 19. Through the setting of the second sliding groove 18 and the second slider 19, the adjusting rod 11 can form a stable guiding effect when sliding inside the fixed rod 10, so that the adjusting rod 11 will not move, deviate or rotate, thus ensuring the effective fixation of the adjusting rod 11 and the filter plate 8.
[0025] Reference Figure 6 As shown in this embodiment: a return spring 20 is fixedly connected inside the fixed rod 10. The end of the return spring 20 near the adjusting rod 11 is fixedly connected to the adjusting rod 11. With the setting of the return spring 20, when the filter plate 8 needs to be disassembled, the adjusting rod 11 is released from fixation. At this time, the adjusting rod 11 is quickly pulled back into the fixed rod 10 due to the tension stored in the return spring 20, thereby quickly releasing the filter plate 8 from fixation, further improving the operating efficiency of the staff.
[0026] Reference Figure 4 As shown in this embodiment, the inner diameter of the limiting groove 9 is designed to match the size of the adjusting rod 11. By using the limiting groove 9 in conjunction with the adjusting rod 11, the adjusting rod 11 can be inserted into the limiting groove 9 to achieve a more stable fixing effect, making it less prone to shaking and displacement, thereby effectively ensuring the stability of the filter plate 8 after replacement.
[0027] Reference Figure 2 As shown in this embodiment: two limiting plates 21 are installed at the top of the negative pressure adsorption component 3. The inner side of the limiting plate 21 is slidably connected to the surface of the filter plate 8. By setting the two limiting plates 21, the filter plate 8 can form an effective guiding effect during the process of sliding into the replacement groove 7, so that the filter plate 8 can be more easily installed into the inside of the replacement groove 7 after replacement or cleaning, thereby further improving the operating efficiency of the staff.
[0028] Reference Figure 3As shown in this embodiment, the interior of the negative pressure adsorption component 3 is coated with a tungsten carbide coating. By coating the interior of the negative pressure adsorption component 3 with a tungsten carbide coating, the hardness and wear resistance of the inner wall of the negative pressure adsorption component 3 can be significantly improved, the service life of the negative pressure adsorption component 3 can be extended, and the leakage and maintenance costs caused by the wear of the negative pressure adsorption component 3 can be reduced.
[0029] Working principle: When the filter plate 8 becomes clogged and needs to be replaced or disassembled for cleaning, press the pressing block 14 inward to release the adjusting rod 11. Then move the adjusting rod 11 to pull it out from inside the limiting groove 9, releasing the filter plate 8. The filter plate 8 can then be pulled out for cleaning or replacement. After completion, slide the filter plate 8 back into the replacement groove 7, move the adjusting rod 11 to insert it into the limiting groove 9, and align the pressing block 14 with the pop-outlet 15. The spring force of the spring spring 13 will then cause the pressing block 14 to pop out into the pop-outlet 15, achieving convenient fixing of the filter plate 8 after replacement or cleaning. In grain processing... The filter plate 8 will become clogged due to long-term filtration of dust, requiring regular cleaning or replacement. The quick-installation and removal of the filter plate 8 significantly shortens maintenance time, improves equipment efficiency, and reduces production interruptions caused by equipment maintenance. The first slide groove 16 and the first slider 17 ensure a stable movement trajectory for the pressing block 14 when it is ejected into the outlet 15 by the spring force of the spring spring 13, preventing excessive ejection and effectively improving the stability of the adjusting rod 11 after movement. The second slide groove 18 and the second slider 19 allow the adjusting rod 11 to remain within the fixed rod 10. The sliding action creates a stable guiding effect, preventing the adjusting rod 11 from shifting or rotating, thus ensuring effective fixation of the adjusting rod 11 and the filter plate 8. With the reset spring 20, when the filter plate 8 needs to be disassembled, the adjusting rod 11 is released from its fixed position. The tension stored in the reset spring 20 quickly pulls the adjusting rod 11 back into the fixed rod 10, thereby quickly releasing the filter plate 8 and further improving the operator's efficiency. The use of the limiting groove 9 in conjunction with the adjusting rod 11 provides a more stable fixation effect when the adjusting rod 11 is inserted into the limiting groove 9. The filter plate 8 is prone to shaking and displacement, thus effectively ensuring the stability of the filter plate 8 after replacement. The setting of two limiting plates 21 can effectively guide the filter plate 8 during the process of sliding into the replacement groove 7, so that the filter plate 8 can be more easily installed into the inside of the replacement groove 7 after replacement or cleaning, thereby further improving the operating efficiency of the staff. By coating the inside of the negative pressure adsorption component 3 with tungsten carbide coating, the hardness and wear resistance of the inner wall of the negative pressure adsorption component 3 can be significantly improved, the service life of the negative pressure adsorption component 3 can be extended, and leakage and maintenance costs caused by wear of the negative pressure adsorption component 3 can be reduced.
[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A dust removal device for grain processing, comprising a dust storage bin, characterized in that: An output pipe is installed at the rear of the dust storage chamber. A negative pressure adsorption component is installed at the top of the dust storage chamber. An air inlet pipe is installed at the top of the negative pressure adsorption component. A connecting pipe is installed at the top of the air inlet pipe. A fixing block is fixedly connected to the front end of the air inlet pipe. A replacement groove is opened at the front end of the air inlet pipe. A filter plate is slidably connected inside the replacement groove. A limit groove is opened at the top of the filter plate. A fixing rod is fixedly connected to the bottom end of the fixing block. An adjusting rod is slidably connected inside the fixing rod. The limit groove and the adjusting rod are inserted into each other. A pressing groove is opened at the front end of the adjusting rod. A spring is fixedly connected inside the pressing groove. A pressing block is fixedly connected to the end of the spring. Two spring outlets are opened at the front end of the fixing rod. The interiors of the pressing groove and the spring outlets are slidably connected to the pressing blocks.
2. The dust removal device for grain processing according to claim 1, characterized in that: The pressing groove has a first sliding groove on both sides, and the pressing block has a first slider fixedly connected to both sides. The inside of the first sliding groove is slidably connected to the first slider.
3. The dust removal device for grain processing according to claim 1, characterized in that: The fixed rod has a second sliding groove on both sides inside, and the adjusting rod has a second slider fixedly connected to both sides. The interior of the second sliding groove is slidably connected to the second slider.
4. A dust removal device for grain processing according to claim 1, characterized in that: A return spring is fixedly connected inside the fixed rod, and the end of the return spring near the adjusting rod is fixedly connected to the adjusting rod.
5. A dust removal device for grain processing according to claim 1, characterized in that: The inner diameter of the limiting groove is designed to match the size of the adjusting rod.
6. A dust removal device for grain processing according to claim 1, characterized in that: Two limiting plates are installed at the top of the negative pressure adsorption component, and the inner side of the limiting plates is slidably connected to the surface of the filter plate.
7. A dust removal device for grain processing according to claim 1, characterized in that: The interior of the negative pressure adsorption component is coated with a tungsten carbide coating.