Efficient powder pressing equipment for chemical particles

Abstract

The invention relates to the technical field of biomass compact briquette fuel processing, in particular to efficient powder pressing equipment for chemical particles, which comprises a powder pressing support frame and a processing bin fixedly mounted on the powder pressing support frame, a third transmission gear is rotatably mounted on the processing bin, and a rotating roller is fixedly connected to the third transmission gear. One end of the rotating roller is rotationally connected with the inner wall of the processing bin, the rotating roller is slidably sleeved with a sliding sleeve, the rotating roller is arranged to be a square rod, a fixing piece is fixedly connected to the rotating roller, the rotating roller is sleeved with a reset spring, the fixing plate moves to drive the scraping plates to move synchronously, the scraping plates on the two sides are close to each other, and the scraping plates are arranged on the two sides of the rotating roller. And the scraping plate is used for scraping, brushing and gathering the powder on the inner wall of the processing bin before the arc-shaped elastic soft plate scrapes away the powder, so that the powder is gathered together, and the arc-shaped elastic soft plate conveniently scrapes the powder onto the pressing roller.

Description

Technical Field

[0001] This invention relates to the field of biomass compacted fuel processing technology, specifically to a high-efficiency powder compaction device for chemical pellets. Background Technology

[0002] Biomass densified fuel is a fuel produced by processing agricultural and forestry waste such as sawdust, straw, and plant shells. It transforms low-density bulk raw materials into high-density, regularly shaped pellets or blocks of fuel, significantly improving the convenience of fuel storage and transportation as well as combustion efficiency. The core of biomass densification processing lies in the forming equipment. Currently, the mainstream equipment includes double-roller granulation machines, among which the double-roller extrusion pelletizer is the most widely used.

[0003] Currently, when using chemical granulation equipment, some powder will fall into the hopper through the gaps between the rollers during the pressing process. Because of its small size, this powder cannot be utilized, which easily leads to material waste. Therefore, a high-efficiency pressing equipment is needed to circulate and feed the powder that leaks from the rollers during the pressing process. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency powder pressing device for chemical granules, comprising a powder pressing support frame and a processing chamber fixedly installed on the powder pressing support frame. A third transmission gear is rotatably mounted on the processing chamber, and a rotating roller is fixedly connected to the third transmission gear. One end of the rotating roller is rotatably connected to the inner wall of the processing chamber. A sliding sleeve is slidably fitted on the rotating roller. The rotating roller is configured as a square rod, and a fixing plate is fixedly connected to the rotating roller. A return spring is fitted on the rotating roller, one end of which is fixedly connected to the outer wall of the fixing plate, and the other end of which is fixedly connected to the inner wall of the sliding sleeve. A fixing plate is fixedly connected to the sliding sleeve, and a scraper plate is fixedly connected to the outer wall of the fixing plate. A guide rod is fixedly connected to the fixing plate, and a ball bearing is rotatably mounted on one end of the guide rod.

[0005] Preferably, a fixing ring is fixedly connected to the inner wall of the processing chamber, and an annular groove is formed on the fixing ring, with the ball bearing slidably mounted on the inner wall of the annular groove.

[0006] Preferably, the inner wall of the annular groove is fixedly connected with a plurality of evenly distributed first abutting blocks, each first abutting block having two first abutting surfaces and a second abutting surface, the first abutting surfaces being inclined surfaces.

[0007] Preferably, the inner wall of the annular groove is fixedly connected with a plurality of evenly distributed second contact blocks, the second contact blocks being configured as spherical blocks.

[0008] Preferably, a drive motor is fixedly installed on the powder pressing support frame, and a first pulley is fixedly connected to the output end of the drive motor. A drive belt is sleeved on the outer wall of the first pulley, and a second pulley is rotatably installed on the outer wall of the processing chamber. The drive belt is sleeved on the second pulley.

[0009] Preferably, a first transmission gear is fixedly connected to the second pulley, the third transmission gear meshes with the first transmission gear, a second transmission gear is meshed with the outer wall of the first transmission gear, and a pressing roller is fixedly connected to the outer wall of both the first and second transmission gears. The pressing roller is rotatably mounted on the inner wall of the processing chamber.

[0010] Preferably, the processing chamber is provided with an inspection port, a feed port and a discharge port, a crushing box is fixedly installed on the processing chamber, a feed hopper is fixedly installed at the input end of the crushing box, and the crushing box is connected to the inner wall of the processing chamber through the feed port.

[0011] Preferably, a feeding plate is fixedly connected to the inner wall of the feeding port, the feeding plate being an inclined plate, and a guide plate is fixedly connected to the inner wall of the processing chamber, the guide plate being an arc-shaped plate.

[0012] Preferably, a slicer is fixedly installed on the powder pressing support frame, and the slicer is located directly below the feeding port.

[0013] Preferably, an arc-shaped elastic flexible plate is fixedly connected to the fixing plate, and the arc-shaped elastic flexible plate is configured as an arc-shaped elastic plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. In this invention, the movement of the fixed plate moves the scraper plate synchronously, and the scraper plates on both sides move closer to each other, so that the scraper plate scrapes and gathers the powder on the inner wall of the processing chamber before the arc-shaped elastic soft plate scrapes away the powder, so that the powder gathers together and the arc-shaped elastic soft plate scrapes it onto the pressing roller.

[0015] 2. In this invention, the ball bearings, along with the guide rod, intermittently move away from the second contact block, compressing the return spring and then quickly returning to its original position, creating a shaking effect on the arc-shaped elastic plate. This shakes the powder adhering to the arc-shaped elastic plate to the bottom of the processing chamber, preventing waste caused by adhesion.

[0016] 3. In this invention, the arc-shaped elastic soft plate will scrape the bottom inner contour of the processing chamber, and move the excess powder at the bottom along the inner wall of the processing chamber. The formed strip fuel is relatively heavy and has strong integrity. It cannot be moved when scraped by the arc-shaped elastic soft plate. The arc-shaped elastic soft plate will only scrape the powdery material along the inner wall of the processing chamber. The powder moves towards the surface of the guide plate along the movement of the arc-shaped elastic soft plate, and then falls onto the rotating pressing roller by the guide plate. It is then carried away by the groove on the surface of the rotating pressing roller and re-extruded and shaped. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 This is a top view cross-sectional structural diagram of the present invention; Figure 4 This is a schematic cross-sectional view of the present invention. Figure 5 This is a schematic diagram of the rotating roller and its surrounding structure according to the present invention; Figure 6 This is a schematic diagram of the cross-sectional structure of the rotating roller and its surrounding area according to the present invention; Figure 7 This is a schematic diagram of the fixing ring and its surrounding structure according to the present invention.

[0018] The attached diagram lists the components represented by each number as follows: 1. Powder pressing support frame; 2. Drive motor; 3. First pulley; 4. Slicer; 5. Second pulley; 6. Drive belt; 7. First drive gear; 8. Second drive gear; 9. Third drive gear; 10. Crushing box; 11. Feed hopper; 12. Inspection port; 13. Processing chamber; 14. Pressing roller; 15. Rotating roller; 16. Fixing plate; 17. Return spring; 18. Sliding sleeve; 19. Fixing plate; 20. Scraper plate; 21. Arc-shaped elastic soft plate; 22. Guide rod; 23. Ball bearing; 24. Fixing ring; 25. First contact block; 26. First contact surface; 28. Second contact block; 29. ​​Annular groove; 30. Second contact surface; 31. Guide plate; 32. Feed inlet; 33. Discharge plate; 34. Discharge port. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example 1: This example helps to solve the problem that some powder falls into the hopper through the gaps between the rollers. Because of its small size, this powder cannot be utilized, easily causing raw material waste. Please refer to [link / reference needed]. Figure 1 - Figure 7 A high-efficiency granulation equipment for chemical granules includes a granulation support frame 1 and a processing chamber 13 fixedly installed on the granulation support frame 1. A third transmission gear 9 is rotatably installed on the processing chamber 13, and a rotating roller 15 is fixedly connected to the third transmission gear 9. It should be noted that the surface of the pressing roller 14 has evenly distributed grooves. The grooves on the surfaces of the two pressing rollers 14 match to compress the pulverized material into strips. One end of the rotating roller 15 is rotatably connected to the inner wall of the processing chamber 13. A sliding sleeve 18 is slidably fitted on the rotating roller 15. The rotating roller 15 is set as a square rod. A fixing plate 16 is fixedly connected to the rotating roller 15. A return spring 17 is fitted on the rotating roller 15. One end of the return spring 17 is fixedly connected to the outer wall of the fixing plate 16, and the other end of the return spring 17 is fixedly connected to the inner wall of the sliding sleeve 18. A fixing plate 19 is fixedly connected to the sliding sleeve 18. A scraper plate 20 is fixedly connected to the outer wall of the fixing plate 19. A guide rod 22 is fixedly connected to the fixing plate 19. A ball bearing 23 is rotatably installed at one end of the guide rod 22. A fixing ring 24 is fixedly connected to the inner wall of the processing chamber 13. An annular groove 29 is provided on the fixing ring 24, and the ball bearing 23 is slidably installed on the inner wall of the annular groove 29.

[0021] The inner wall of the annular groove 29 is fixedly connected with a plurality of evenly distributed first contact blocks 25. Two first contact surfaces 26 are provided on the first contact blocks 25, and a second contact surface 30 is provided on the first contact blocks 25. The first contact surfaces 26 are set as inclined surfaces.

[0022] A drive motor 2 is fixedly installed on the powder pressing support frame 1. The output end of the drive motor 2 is fixedly connected to a first pulley 3. A drive belt 6 is sleeved on the outer wall of the first pulley 3. A second pulley 5 is rotatably installed on the outer wall of the processing chamber 13. The drive belt 6 is sleeved on the second pulley 5.

[0023] The first transmission gear 7 is fixedly connected to the second pulley 5. The third transmission gear 9 meshes with the first transmission gear 7. The outer wall of the first transmission gear 7 is meshed with the second transmission gear 8. The outer walls of both the first transmission gear 7 and the second transmission gear 8 are fixedly connected with pressing rollers 14. The pressing rollers 14 are rotatably installed on the inner wall of the processing chamber 13.

[0024] The processing chamber 13 is provided with an inspection port 12, a feed port 32 and a discharge port 34. A crushing box 10 is fixedly installed on the processing chamber 13. A feed hopper 11 is fixedly installed at the input end of the crushing box 10. The crushing box 10 is connected to the inner wall of the processing chamber 13 through the feed port 32.

[0025] A feeding plate 33 is fixedly connected to the inner wall of the feeding port 34. The feeding plate 33 is an inclined plate. A guide plate 31 is fixedly connected to the inner wall of the processing chamber 13. The guide plate 31 is an arc-shaped plate.

[0026] A slicer 4 is fixedly installed on the powder pressing support frame 1, and the slicer 4 is located directly below the feed port 34.

[0027] An arc-shaped elastic flexible plate 21 is fixedly connected to the fixed plate 19. The arc-shaped elastic flexible plate 21 is configured as an arc-shaped elastic plate.

[0028] In this embodiment: When using the powder pressing equipment, the raw materials to be processed are first fed into the crushing box 10 through the feed hopper 11. Then, the crushing box 10 is started to crush the raw materials. The crushed raw materials enter the processing chamber 13 through the feed inlet 32. Then, the drive motor 2 is started. After the drive motor 2 starts, it drives the first pulley 3 at the output end to rotate. After the first pulley 3 rotates, it drives the drive belt 6 to rotate. After the drive belt 6 rotates, it drives the second pulley 5 to rotate synchronously. When the second pulley 5 rotates, it drives the first drive gear 7 on it to rotate synchronously. When the first drive gear 7 rotates, it drives the second drive gear 8 to rotate through the meshing relationship. At this time, the rotation directions of the first drive gear 7 and the second drive gear 8 are opposite. As the first drive gear 7 and the second drive gear 8 rotate in opposite directions, the corresponding pressing roller 14 rotates synchronously, and the crushed material entering from the feed inlet 32 ​​is squeezed by the rollers. The crushed material is squeezed into a thin strip through high-strength extrusion. It should be noted that the surface of the pressing roller 14 has evenly distributed grooves. The grooves on the surfaces of the two pressing rollers 14 match to squeeze the crushed material into a strip.

[0029] The extruded strips slide down the inner wall of the processing chamber 13 to the feed port 34 and fall into the slicer 4. The strips that fall onto the guide plate 31 will slide down the inclined angle of the guide plate 31 to the feed port 34 and fall. The slicer 4 is started to cut the strip fuel into pellets. The pellet fuel has a larger contact area with air and will burn more completely.

[0030] When the first transmission gear 7 rotates, it drives the third transmission gear 9 to rotate synchronously through meshing. The rotation of the third transmission gear 9 drives the rotating roller 15 on it to rotate. When the rotating roller 15 rotates, it drives the sliding sleeve 18, the fixed plate 19, and the arc-shaped elastic plate 21 on the outer wall to rotate synchronously. When the arc-shaped elastic plate 21 rotates, it will abut against the pressing roller 14 during the rotation process, scraping off the excess powder adhering to the surface of the pressing roller 14 and letting it fall to the bottom of the processing chamber 13. As the arc-shaped elastic plate 21 continues to rotate, it will further abut against the pressing roller 14 during the rotation process. The bottom inner contour of the processing chamber 13 is scraped and brushed to move the excess powder along the inner wall of the processing chamber 13. The formed strip fuel is relatively heavy and has strong integrity. It cannot be moved when scraped by the arc-shaped elastic soft plate 21. The arc-shaped elastic soft plate 21 will only scrape the powdery material along the inner wall of the processing chamber 13. The powder moves towards the surface of the guide plate 31 along the movement of the arc-shaped elastic soft plate 21. The powdery material is guided by the guide plate 31 to the rotating pressing roller 14 and is carried away by the groove on the surface of the rotating pressing roller 14 for re-extrusion and shaping.

[0031] It should be noted that the curved elastic soft plate 21 is a flexible material. The curved elastic soft plate 21 is relatively long. When the curved elastic soft plate 21 comes into contact with the inner wall of the processing chamber 13, it deforms to avoid jamming.

[0032] When the rotating roller 15 rotates, its square rod shape causes the sliding sleeve 18 to rotate synchronously. The rotating sleeve 18, in turn, causes the fixed plate 19 and guide rod 22 to rotate synchronously. The guide rod 22 moves in a circular motion, causing the ball bearing 23 to move synchronously. The ball bearing 23 slides along the annular groove 29. When the ball bearing 23 comes into contact with the first contact block 25, it slides and rises along the surface of the first contact surface 26, causing it to move the guide rod 22 away from the first contact block 25. This causes the guide rod 22 to move the fixed plate 19 a short distance. The movement of the fixed plate 19 causes the scraper plate 20 to move synchronously. The scraper plates 20 move closer to each other, so that the scraper plates 20 scrape and gather the powder on the inner wall of the processing chamber 13 before the arc-shaped elastic soft plate 21 scrapes away the powder. This makes it easier for the arc-shaped elastic soft plate 21 to scrape the powder onto the pressing roller 14. It should be noted that the fixed plate 19 moves synchronously with the sliding sleeve 18. The sliding sleeve 18 slides along the surface of the rotating roller 15, and during the sliding process, the return spring 17 is compressed to store force. Since the first contact block 25 also has a flat second contact surface 30, when the ball 23 continues to slide along the second contact surface 30 into the first contact surface 26 on the other side, the scraper plates 20 on both sides move away from each other, preparing for the scraping and gathering operation again.

[0033] Example 2: This example is an improvement upon Example 1. For details, please refer to [link / reference]. Figure 1 - Figure 7 The inner wall of the annular groove 29 is fixedly connected with a plurality of evenly distributed second contact blocks 28, which are configured as spherical blocks.

[0034] In this embodiment: as the ball bearing 23 continues to slide along the inner wall of the annular groove 29, after the arc-shaped elastic plate 21 brings the powder to the groove on the pressing roller 14, the ball bearing 23 comes into contact with the second contact block 28. Since there are multiple second contact blocks 28 arranged relatively closely, the contact force causes the ball bearing 23 to move intermittently away from the second contact block 28 along with the guide rod 22. After moving and compressing the reset spring 17, it quickly resets, producing a shaking effect on the arc-shaped elastic plate 21, shaking the powder adhering to the arc-shaped elastic plate 21 to the bottom of the processing chamber 13, preventing adhesion and waste.

[0035] 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.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency powder pressing device for chemical granules, comprising a powder pressing support frame (1) and a processing chamber (13) fixedly installed on the powder pressing support frame (1), characterized in that: A third transmission gear (9) is rotatably mounted on the processing chamber (13). A rotating roller (15) is fixedly connected to the third transmission gear (9). One end of the rotating roller (15) is rotatably connected to the inner wall of the processing chamber (13). A sliding sleeve (18) is slidably mounted on the rotating roller (15). The rotating roller (15) is configured as a square rod. A fixing plate (16) is fixedly connected to the rotating roller (15). A return spring (17) is mounted on the rotating roller (15). One end of the return spring (17) is fixedly connected to the outer wall of the fixing plate (16). The other end of the return spring (17) is fixedly connected to the inner wall of the sliding sleeve (18). A fixing plate (19) is fixedly connected to the sliding sleeve (18). A scraper plate (20) is fixedly connected to the outer wall of the fixing plate (19). A guide rod (22) is fixedly connected to the fixing plate (19). A ball bearing (23) is rotatably mounted on one end of the guide rod (22).

2. The high-efficiency powder pressing equipment for chemical granules according to claim 1, characterized in that: The inner wall of the processing chamber (13) is fixedly connected to a fixing ring (24), and an annular groove (29) is provided on the fixing ring (24). The ball (23) is slidably installed on the inner wall of the annular groove (29).

3. The high-efficiency powder pressing equipment for chemical granules according to claim 2, characterized in that: The inner wall of the annular groove (29) is fixedly connected with a plurality of evenly distributed first contact blocks (25). Two first contact surfaces (26) are provided on the first contact blocks (25), and a second contact surface (30) is provided on the first contact blocks (25). The first contact surface (26) is set as an inclined surface.

4. The high-efficiency powder pressing equipment for chemical granules according to claim 2, characterized in that: The inner wall of the annular groove (29) is fixedly connected with a plurality of evenly distributed second contact blocks (28), and the second contact blocks (28) are configured as spherical blocks.

5. The high-efficiency powder pressing equipment for chemical granules according to claim 1, characterized in that: A drive motor (2) is fixedly installed on the powder pressing support frame (1). The output end of the drive motor (2) is fixedly connected to a first pulley (3). A drive belt (6) is sleeved on the outer wall of the first pulley (3). A second pulley (5) is rotatably installed on the outer wall of the processing chamber (13). The drive belt (6) is sleeved on the second pulley (5).

6. The high-efficiency powder pressing equipment for chemical granules according to claim 5, characterized in that: The second pulley (5) is fixedly connected to the first transmission gear (7), the third transmission gear (9) meshes with the first transmission gear (7), the outer wall of the first transmission gear (7) is meshed with the second transmission gear (8), the outer walls of the first transmission gear (7) and the second transmission gear (8) are both fixedly connected to the pressing roller (14), the pressing roller (14) is rotatably installed on the inner wall of the processing chamber (13).

7. The high-efficiency powder pressing equipment for chemical granules according to claim 1, characterized in that: The processing chamber (13) is provided with an inspection port (12), a feed port (32) and a discharge port (34). A crushing box (10) is fixedly installed on the processing chamber (13). A feed hopper (11) is fixedly installed at the input end of the crushing box (10). The crushing box (10) is connected to the inner wall of the processing chamber (13) through the feed port (32).

8. The high-efficiency powder pressing equipment for chemical granules according to claim 7, characterized in that: The inner wall of the discharge port (34) is fixedly connected to a discharge plate (33), which is an inclined plate. The inner wall of the processing chamber (13) is fixedly connected to a guide plate (31), which is an arc-shaped plate.

9. The high-efficiency powder pressing equipment for chemical granules according to claim 1, characterized in that: A slicer (4) is fixedly installed on the powder pressing support frame (1), and the slicer (4) is located directly below the feed port (34).

10. The high-efficiency powder pressing equipment for chemical granules according to claim 1, characterized in that: An arc-shaped elastic soft plate (21) is fixedly connected to the fixed plate (19), and the arc-shaped elastic soft plate (21) is configured as an arc-shaped elastic plate.

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