Fluidized drying device for tablet production
By adopting a quick disassembly mechanism and distribution cone disc design in the boiling drying device for tablet production, the problem of inability to disassemble the filter plate and uneven distribution of hot air is solved, and the rapid disassembly of the filter plate and uniform distribution of hot air is achieved, which improves drying efficiency and cleaning convenience.
Patent Information
- Application Number
- CN202521206391.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-13
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2035-06-13
AI Technical Summary
In the existing tablet production boiling drying device, the filter plate cannot be disassembled, resulting in inconvenient cleaning and uneven distribution of hot air, affecting the drying effect.
A device including a rack, air inlet chamber, material bin, intermediate chamber and filter chamber is designed. A quick disassembly mechanism is used to connect the support ring and filter plate, combining the distribution of cone plate and support flange to achieve rapid disassembly and uniform air distribution of filter plates, improve the sealing effect through the sealing ring, and set up an observation port and scraper for easy cleaning.
It realizes rapid disassembly and cleaning of the filter plate, uniform distribution of hot air, and improves drying efficiency and cleaning convenience.
Smart Images
Figure CN223153895U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a fluidized bed drying device for tablet production, belonging to the technical field of drying equipment. Background Art
[0002] In the process of tablet production, a fluidized bed drying device is required to dry the granulated materials. The existing fluidized bed drying device includes a frame, on which an air inlet chamber, a material chamber, an intermediate chamber and a filter chamber are sequentially connected from bottom to top. An inlet pipe is provided on the intermediate chamber, an air inlet pipe is connected to the air inlet chamber, an outlet pipe is connected to the upper part of the filter chamber, a pushing frame is connected to the material chamber, a discharge port with a valve is provided on the lower side wall of the material chamber, an air inlet sleeve driven by a cylinder to move up and down is provided at the top of the air inlet chamber, and a filter screen plate is fixed at the bottom of the material chamber. However, with this structure, the filter screen plate cannot be disassembled, resulting in troublesome cleaning, and the hot air entering from the air inlet sleeve is not evenly distributed, affecting subsequent drying. Content of the Utility Model
[0003] The utility model provides a fluidized bed drying device for tablet production to solve the problems in the background art.
[0004] The utility model relates to a fluidized bed drying device for tablet production, including a frame, on which an air inlet chamber, a material chamber, an intermediate chamber and a filter chamber are sequentially provided from bottom to top. The air inlet chamber and the filter chamber are fixed on the frame. An inlet pipe is provided on the intermediate chamber, an air inlet pipe is connected to the air inlet chamber, an outlet pipe is connected to the upper part of the filter chamber, a pushing frame is connected to the material chamber. A guiding ring platform is provided at the top of the air inlet chamber, an air inlet sleeve is sleeved outside the guiding ring platform, a support arm is fixed on the outer side wall of the air inlet sleeve, a lifting cylinder is fixed at the outer bottom of the support arm, an inverted conical distribution cone plate is provided inside the top of the air inlet sleeve, distribution air holes are evenly provided on the distribution cone plate, a support flange is provided outside the top of the distribution cone plate, and a support clamping groove cooperating with the support flange is provided on the inner side wall of the top of the air inlet sleeve. The bottom of the material chamber is connected with a support ring through a quick-release mechanism. A pressing convex platform extending into the support clamping groove to press the support flange is provided inside the bottom of the support ring. A sealing gasket is sleeved outside the pressing convex platform, and a filter screen plate is provided inside the support ring.
[0005] As a preference, a support arm is fixed on the outer side of the air inlet chamber, the outer end of the support arm is fixed to the frame, and the bottom of the lifting cylinder is fixed on the support arm, which is convenient for the installation and fixation of the air inlet chamber.
[0006] As a preference, the quick-release mechanism includes rotating seats fixedly arranged in a circular array on the outer side wall of the support ring, a plurality of locking plates are evenly fixed on the outer side wall of the bottom of the material chamber, an opening groove is provided on the outer side wall of the locking plate, and a locking bolt that rotates in and out of the opening groove is hinged on the rotating seat. The support ring can be disassembled by loosening the locking nut on the locking bolt and then rotating the locking bolt so that the locking bolt disengages from the opening groove, which is convenient for quickly disassembling the support ring and cleaning the filter screen plate.
[0007] As a preference, a first sealing ring is provided between the bottom of the silo and the support ring, and a second sealing ring is provided between the lower part of the air inlet sleeve and the guiding ring platform, so that the sealing effect is better.
[0008] As a preference, a rotating arm is fixed on the outer side wall of the intermediate bin. The top and bottom of the outer end of the rotating arm are both fixed with rotating shafts. Support sleeves are sleeved on the upper and lower rotating shafts, and the support sleeves are fixed on the frame. An L-shaped limiting shaft is fixed on one side of the intermediate bin away from the rotating arm. A semi-circular limiting sleeve is sleeved on the upper part of the limiting shaft. The top of the limiting sleeve is fixed with a guiding ring coaxial with it. The guiding ring and the limiting sleeve are fixed on the frame through fixing rods. The intermediate bin can be rotated around the rotating shaft, so that the intermediate bin is away from the filter bin, which is convenient for cleaning the filter bin and the intermediate bin. And when the intermediate bin and the filter bin are assembled, the limiting sleeve can quickly position the position of the intermediate bin, and the guiding ring guides the intermediate bin during lifting and lowering.
[0009] As a preference, a filter plate is provided on the inner side of the lower part of the filter bin. A third sealing ring is provided between the outer side wall of the filter plate and the inner wall of the filter bin. Filter holes are evenly provided on the filter plate. A cage is fixed at the top of each filter hole. A dust removal cloth bag is sleeved on the outside of the cage. Fixed pulleys are provided on the top of the two side frames and the side wall of the filter bin. A winding shaft is rotatably installed in the middle and lower parts of the two side frames. A steel wire rope is fixed on the winding shaft. The other end of the steel wire rope bypasses the fixed pulley and is fixed to the filter plate. By rotating the winding shaft, the filter plate can be lowered, so that the cage and the dust removal cloth bag fall from the filter bin, which is convenient for cleaning and replacing the dust removal cloth bag.
[0010] As a preference, a connecting plate is fixed at the outer end of the winding shaft. A rocker is fixed at the outer end of the connecting plate. A first locking jack is provided on the connecting plate. A locking pin is inserted into the first locking jack. A second locking jack matching with the locking pin is provided on the frame. Through the setting of the rocker, it is convenient to rotate the winding shaft. Through the setting of the locking pin, the winding shaft can be locked.
[0011] As a preference, a positioning rod is fixed at the middle top of the filter plate. The upper part of the positioning rod passes through the top of the filter bin and is sleeved with a guide sleeve. The top of the guide sleeve is closed, and the bottom of the guide sleeve is fixed on the top of the filter bin. The setting of the positioning rod and the guide sleeve can quickly position during the installation of the filter plate and prevent the filter plate from being skewed when entering the filter bin.
[0012] As a preference, an observation port is provided on the outer side wall of the silo. A transparent observation plate is fixed at the inner end of the observation port. A scraping strip is provided on the inner side of the observation plate. A limiting sleeve is fixed on the middle outer side of the observation plate. A rotating handle is arranged in the limiting sleeve. The inner end of the rotating handle passes through the observation plate and is fixed to the scraping strip. By rotating the rotating handle, the scraping strip can be driven to rotate to clean the inner wall of the observation plate.
[0013] The utility model has the following beneficial effects:
[0014] The bottom of the silo is connected with a support ring through a quick-release mechanism. A filter screen plate is arranged on the inner side of the bottom of the support ring, and the filter screen plate can be quickly disassembled to facilitate cleaning. And a distribution cone plate is arranged in the air inlet sleeve for uniform air distribution. The distribution cone plate is pressed in the support clamping groove through the pressing convex platform on the support ring, and the distribution cone plate can be taken out to facilitate cleaning the distribution cone plate and the air inlet bin. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is the front view structural schematic diagram of the present utility model;
[0016] Figure 2 is Figure 1 partial sectional structural schematic Figure 1 ;
[0017] Figure 3 It is the structural schematic diagram at the observation port;
[0018] Figure 4 is Figure 1 the enlarged structural schematic diagram at position A in
[0019] Figure 5 is Figure 1 partial sectional structural schematic Figure 2 ;
[0020] Figure 6 is Figure 5 the enlarged structural schematic diagram at position B in
[0021] Figure 7 is Figure 5 partial structural schematic diagram of
[0022] In the figure: 1, filter bin; 2, frame; 3, intermediate bin; 4, rotating arm; 5, support sleeve; 6, feed pipe; 7, silo; 8, support ring; 9, sealing gasket; 10, support arm; 11, air inlet bin; 12, pushing rack; 13, lifting cylinder; 14, air inlet sleeve; 15, rocker; 16, observation plate; 17, limit shaft; 18, limit sleeve; 19, guide ring; 20, guide sleeve; 21, distribution cone plate; 22, locking bolt; 23, filter screen plate; 24, rotating handle; 25, scraping bar; 26, winding shaft; 27, fixed pulley; 28, positioning rod; 29, dust removal cloth bag; 30, filter plate; 31, locking pin; 32, cage. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] The present utility model will be further described below in conjunction with the embodiments.
[0024] Embodiment 1, as Figures 1 to 7As shown in the figure, the utility model relates to a fluidized bed drying device for tablet production, which comprises a frame 2. From bottom to top, an air inlet bin 11, a material bin 7, an intermediate bin 3 and a filter bin 1 are successively arranged on the frame 2. The air inlet bin 11 and the filter bin 1 are fixed on the frame 2. A feed pipe 6 is arranged on the intermediate bin 3. An air inlet pipe is connected to the air inlet bin 11. An air outlet pipe is connected to the upper part of the filter bin 1. A pushing frame 12 is connected to the material bin 7. A guiding ring platform is arranged at the top of the air inlet bin 11. An air inlet sleeve 14 is sleeved outside the guiding ring platform. A support arm is fixed on the outer side wall of the air inlet sleeve 14. A lifting cylinder 13 is fixed at the outer bottom of the support arm. An inverted conical distribution cone plate 21 is arranged on the inner side of the top of the air inlet sleeve 14. Distribution air holes are evenly arranged on the distribution cone plate 21. A support flanging is arranged on the outer side of the top of the distribution cone plate 21. A support clamping groove matched with the support flanging is arranged on the inner side wall of the top of the air inlet sleeve 14. The bottom of the material bin 7 is connected with a support ring 8 through a quick-release mechanism. A pressing convex platform extending into the support clamping groove to press the support flanging is arranged on the inner side of the bottom of the support ring 8. A sealing gasket 9 is sleeved outside the pressing convex platform. A filter screen plate 23 is arranged in the support ring 8. A discharge port is arranged at the rear side of the material bin 7. A valve is arranged at the discharge port. The discharge port is connected with a negative pressure suction material pipe.
[0025] Before work, install the support ring 8 at the bottom of the material bin 7 through the quick-release structure, then put the distribution cone plate 21 into the air inlet sleeve 14, then the lifting cylinder 13 contracts, then push the pushing frame 12 to move the material bin 7 between the intermediate bin 3 and the air inlet bin 11, then the lifting cylinder 13 extends to make the air inlet sleeve 14 rise, and then support the material bin 7 to rise so that the top of the material bin 7 is tightly pressed at the bottom position of the intermediate bin 3 to complete the assembly. During work, hot air enters the air inlet bin 11 from the air inlet pipe. When passing through the distribution cone plate 21, it is evenly distributed, and then enters the material bin 7 through the filter screen plate 23. The material enters from the feed pipe 6. The hot air is sent into the material bin 7 and the intermediate bin 3 to start drying the material. After reaching the drying time according to the process, the air inlet pipe stops feeding air. The dried material begins to fall onto the filter screen plate 23 of the material bin 7, and then the material is discharged through the discharge port. When it is necessary to clean the filter screen plate 23 and the distribution cone plate 21, the lifting cylinder 13 contracts, then push out the pushing frame 12, disassemble the quick-release mechanism, and remove the support ring 8 to clean the filter screen plate 23.
[0026] Embodiment 2: On the basis of Embodiment 1, a support arm 10 is fixed on the outer side of the air inlet bin 11. The outer end of the support arm 10 is fixed to the frame 2. The bottom of the lifting cylinder 13 is fixed on the support arm 10.
[0027] The quick-release mechanism includes a rotating seat fixedly arranged on the outer side wall of the support ring 8 in a circular array. A plurality of locking plates are evenly fixed on the outer side wall of the bottom of the silo 7. An opening groove is provided on the outer side wall of the locking plate. A locking bolt 22 is hinged on the rotating seat and can rotate in and out of the opening groove of the locking plate. During disassembly, by loosening the locking nut on the locking bolt 22 and then rotating the locking bolt 22 counterclockwise, the locking bolt 22 can be disengaged from the opening groove of the locking plate, and then the support ring 8 can be disassembled to clean the filter screen plate 23.
[0028] A first sealing ring is provided between the bottom of the silo 7 and the support ring 8, and a second sealing ring is provided between the lower part of the air inlet sleeve 14 and the guiding ring platform.
[0029] A rotating arm 4 is fixed on the outer side wall of the intermediate bin 3. Shafts are fixed at the top and bottom of the outer end of the rotating arm 4. Support sleeves 5 are sleeved on the upper and lower shafts respectively, and the shafts can slide up and down along the axial direction of the support sleeves 5. The support sleeves 5 are fixed on the frame 2. An L-shaped limiting shaft 17 is fixed on the side of the intermediate bin 3 away from the rotating arm 4. A semi-circular limiting sleeve 18 is sleeved on the upper part of the limiting shaft 17. A guiding ring 19 coaxial with the limiting sleeve 18 is fixed on the top of the limiting sleeve 18. The guiding ring 19 and the limiting sleeve 18 are fixed on the frame 2 through fixing rods. Sealing gaskets are provided between the top of the silo 7 and the bottom of the intermediate bin 3, and between the top of the intermediate bin 3 and the bottom of the filtering bin 1.
[0030] A filter plate 30 is provided inside the lower part of the filtering bin 1. A third sealing ring is provided between the outer side wall of the filter plate 30 and the inner wall of the filtering bin 1. Filter holes are evenly provided on the filter plate 30. A cage 32 is fixed at the top of each filter hole. A dust removal cloth bag 29 is sleeved outside the cage 32. Fixed convex rings are provided outside the top of each filter hole. The cage 32 is fixed on the inner wall of the fixed convex ring. The bag mouth of the dust removal cloth bag 29 is fixed on the outer side wall of the fixed convex ring through a hoop or a tie. Fixed pulleys 27 are provided on the top of the two sides of the frame 2 and on the side wall of the filtering bin 1. A wire reel 26 is rotatably installed in the middle and lower parts of the two sides of the frame 2. A steel wire rope is fixed on the wire reel 26. The other end of the steel wire rope bypasses the fixed pulley 27 and is fixed to the filter plate 30. A perforation for the steel wire rope to pass through is provided on the filtering bin 1, and a sealing ring sleeved on the steel wire rope is fixedly provided in the perforation. When it is necessary to clean or replace the dust removal cloth bag 29, the lifting cylinder 13 contracts, the silo 7 descends, the force applied to the bottom of the intermediate bin 3 is released, and then the intermediate bin 3 slides down along the support sleeve 5 and the guiding ring 19 under its own gravity, and then the intermediate bin 3 is rotated around the shaft so that the intermediate bin 3 is away from the bottom of the filtering bin 1, and then the wire reel 26 is rotated so that the filter plate 30 descends and disengages from the filtering bin 1. When the bottom of the filter plate 30 falls into the inner hole of the top of the silo 7, it stops. Then the dust removal cloth bag 29 can be shaken to clean the dust, and then the hoop on the corresponding dust removal cloth bag 29 that needs to be replaced can be disassembled, and the dust removal cloth bag 29 can be replaced.
[0031] A connecting plate is fixed to the outer end of the take-up reel 26. A rocker 15 is fixed to the outer end of the connecting plate. A first locking jack is provided on the connecting plate. A locking pin 31 is inserted into the first locking jack. A second locking jack that cooperates with the locking pin 31 is provided on the frame 2. When locking the take-up reel 26, just insert the locking pin 31 into the corresponding first locking jack and second locking jack.
[0032] A positioning rod 28 is fixed to the middle top of the filter plate 30. The upper part of the positioning rod 28 passes through the top of the filter chamber 1 and is sleeved with a guide sleeve 20. The top of the guide sleeve 20 is closed, and the bottom of the guide sleeve 20 is fixed to the top of the filter chamber 1. After the dust removal cloth bag 29 is cleaned or replaced, the take-up reel 26 can be rotated to raise the filter plate 30. When the filter plate 30 has not entered the filter chamber 1, the positioning rod 28 first inserts into the guide sleeve 20 for positioning and guiding. Then, after the filter plate 30 enters the filter chamber 1, lock the take-up reel 26.
[0033] An observation port is provided on the outer side wall of the material bin 7. A transparent observation plate 16 is fixed to the inner end of the observation port. A scraping strip 25 is provided on the inner side of the observation plate 16. A limit sleeve 18 is fixed to the middle outer side of the observation plate 16. A rotating handle 24 is provided in the limit sleeve 18. The inner end of the rotating handle 24 passes through the observation plate 16 and is fixed to the scraping strip 25. The situation inside the material bin 7 can be observed through the transparent observation plate 16 of the observation port. When the observation plate 16 cannot be clearly seen due to a large amount of sticky dust, the rotating handle 24 can be rotated to drive the scraping strip 25 to rotate to clean the inner wall of the observation plate 16. A thermometer is provided on the side wall of the material bin 7. Travel wheels are provided at the bottom of the pushing frame 12.
[0034] In addition, it should be understood that although this specification is described according to the embodiments, not each embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
[0035] In the description of the present invention, the orientation or positional relationship indicated by the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention rather than requiring the present invention to be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present invention.
Claims
1. A boiling drying device for tablet production, comprising a frame (2). An air inlet bin (11), a material bin (7), an intermediate bin (3) and a filtering bin (1) are successively arranged on the frame (2) from bottom to top. The air inlet bin (11) and the filtering bin (1) are fixed on the frame (2). A feed pipe (6) is arranged on the intermediate bin (3). An air inlet pipe is connected to the air inlet bin (11). An air outlet pipe is connected to the upper part of the filtering bin (1). The material bin (7) is connected with a pusher frame (12), and it is characterized in that: The top of the air inlet bin (11) is provided with a guiding ring platform, and an air inlet sleeve (14) is sleeved outside the guiding ring platform. A supporting arm is fixed on the outer side wall of the air inlet sleeve (14), and a lifting cylinder (13) is fixed at the outer bottom of the supporting arm. An inverted conical distribution cone plate (21) is arranged on the inner side of the top of the air inlet sleeve (14). Distribution air holes are evenly arranged on the distribution cone plate (21). A supporting flange is arranged on the outer side of the top of the distribution cone plate (21). A supporting clamping groove matched with the supporting flange is arranged on the inner side wall of the top of the air inlet sleeve (14). The bottom of the material bin (7) is connected with a supporting ring (8) through a quick-release mechanism. A pressing convex platform that extends into the supporting clamping groove to press the supporting flange is arranged on the inner side of the bottom of the supporting ring (8). A sealing gasket (9) is sleeved outside the pressing convex platform. A filter screen plate (23) is arranged in the supporting ring (8).
2. The fluidized drying device for tablet production according to claim 1, wherein: A supporting arm (10) is fixed on the outer side of the air inlet bin (11). The outer end of the supporting arm (10) is fixed to the frame (2). The bottom of the lifting cylinder (13) is fixed on the supporting arm (10).
3. A fluidized bed drying device for tablet production according to claim 1, characterized in that: The quick-release mechanism includes rotating seats fixedly arranged in a circular array on the outer side wall of the supporting ring (8). A plurality of locking plates are evenly fixed on the outer side wall of the bottom of the material bin (7). An opening groove is arranged on the outer side wall of the locking plate. A locking bolt (22) that rotates in and out of the opening groove is hinged on the rotating seat.
4. The fluidized bed drying device for tablet production according to claim 3, wherein: A first sealing ring is arranged between the bottom of the material bin (7) and the supporting ring (8). A second sealing ring is arranged between the lower part of the air inlet sleeve (14) and the guiding ring platform.
5. A fluidized bed drying device for tablet production according to claim 3, characterized in that: A rotating arm (4) is fixed on the outer side wall of the intermediate bin (3). Shafts are fixed at both the top and the bottom of the outer end of the rotating arm (4). Supporting sleeves (5) are sleeved on the upper and lower shafts. The supporting sleeves (5) are fixed on the frame (2). An L-shaped limiting shaft (17) is fixed on one side of the intermediate bin (3) away from the rotating arm (4). A semi-circular limiting sleeve (18) is sleeved on the upper part of the limiting shaft (17). A guiding ring (19) coaxial with the limiting sleeve (18) is fixed on the top of the limiting sleeve (18). The guiding ring (19) and the limiting sleeve (18) are fixed on the frame (2) through fixing rods.
6. A fluidized bed drying device for tablet production according to claim 5, characterized in that: A filter plate (30) is arranged on the inner side of the lower part of the filter bin (1). A third sealing ring is arranged between the outer side wall of the filter plate (30) and the inner wall of the filter bin (1). Filter holes are evenly arranged on the filter plate (30). A cage (32) is fixed at the top of each filter hole. A dust removal cloth bag (29) is sleeved outside the cage (32). Fixed pulleys (27) are arranged on the tops of the two side frames (2) and on the side wall of the filter bin (1). A winding shaft (26) is rotatably installed in the middle and lower parts of the two side frames (2). A steel wire rope is fixed on the winding shaft (26). The other end of the steel wire rope bypasses the fixed pulley (27) and is fixed to the filter plate (30).
7. A fluidized bed drying device for tablet production according to claim 6, characterized in that: A connecting plate is fixed at the outer end of the winding shaft (26). A rocker (15) is fixed at the outer end of the connecting plate. A first locking jack is arranged on the connecting plate. A locking pin (31) is inserted into the first locking jack. A second locking jack matched with the locking pin (31) is arranged on the frame (2).
8. A fluidized bed drying device for tablet production according to claim 6, characterized in that: A positioning rod (28) is fixedly installed at the middle top of the filter plate (30). The upper part of the positioning rod (28) passes through the top of the filter bin (1) and is sleeved with a guide sleeve (20). The top of the guide sleeve (20) is closed, and the bottom of the guide sleeve (20) is fixedly installed on the top of the filter bin (1).
9. A fluidized bed drying device for tablet production according to claim 1, characterized in that: An observation port is provided on the outer side wall of the material bin (7). A transparent observation plate (16) is fixedly installed at the inner end of the observation port. A scraping strip (25) is provided on the inner side of the observation plate (16). A limit sleeve (18) is fixedly installed on the middle outer side of the observation plate (16). A rotary handle (24) is arranged inside the limit sleeve (18). The inner end of the rotary handle (24) passes through the observation plate (16) and is fixed to the scraping strip (25).