Vacuum disc paddle dryer

Abstract

The invention relates to the technical field of drying, and discloses a vacuum disc paddle dryer, which solves the problems that wet materials are easy to adhere to paddles, and adhered materials on the paddles are gradually increased along with the increase of service time, and comprises a shell, a feeding pipe and a discharging pipe are arranged on the shell, valves are arranged on the feeding pipe and the discharging pipe, and the feeding pipe and the discharging pipe are communicated with the shell. A heating and drying unit is arranged outside the shell in a sleeving mode, a supporting shaft which is rotationally connected penetrates through the shell, propeller blades are fixedly arranged outside the supporting shaft in a sleeving mode and are of a cavity structure, a driver used for driving the supporting shaft to rotate is installed on the shell, a heat source supply structure matched with the propeller blades is installed on the supporting shaft, and a prism is arranged in the shell. The prism is slidably sleeved with a movable seat. The driver drives the supporting shaft and the propeller blades to periodically rotate forwards and backwards, so that the cleaning brush can clean the surfaces of the propeller blades, and later maintenance and use are facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of drying, in particular to a vacuum disc blade dryer. Background Art

[0002] The paddle dryer is a low-speed stirring dryer with conduction heating. A jacket is set on the dryer cylinder, and a hollow paddle is set on the hollow shaft. A heat carrier is introduced into the dryer. The wet material is stirred by the stirring paddle to fully exchange heat with the cylinder and the hot surface of the paddle to achieve the purpose of drying. The additional vacuum device makes the casing in a negative pressure state to accelerate the discharge of moisture.

[0003] But it is worth considering that wet materials tend to adhere to the blades. As the use time increases, the adhesion on the blades gradually increases, making it difficult to clean later.

[0004] Therefore, in order to solve the above problems, a related facility that better meets the usage requirements is needed. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a vacuum disc paddle dryer, which effectively solves the problem in the above background technology that wet materials are easily adhered to the paddles, and the adhesion on the paddles gradually increases with the increase of use time.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a vacuum disc paddle dryer, comprising a shell, a feed pipe and a discharge pipe are provided on the shell, and valves are provided on the feed pipe and the discharge pipe, a heating and drying unit is provided on the outer sleeve of the shell, a rotatably connected support shaft passes through the shell, a propeller blade is provided on the outer fixed sleeve of the support shaft, and the propeller blade is a cavity structure, the shell is equipped with a driver for driving the support shaft to rotate, the support shaft is equipped with a heat source supply structure adapted to the propeller blade, a prism is provided in the shell, the outer sliding sleeve of the prism is provided with a movable seat, the movable seat is fixedly equipped with two cleaning brushes in contact with the propeller blade, the support shaft is equipped with a disc-type damping transmission structure adapted to the prism, and a vacuum tube is provided on the shell.

[0007] Preferably, the disc-type damping transmission structure includes a disc fixedly sleeved on the outside of a supporting shaft, a movable ring is sleeved on the outside of the supporting shaft, and the movable ring and the prism are fixedly connected by a connecting column, the movable ring and the disc are in contact, a guide groove is provided on the side of the movable ring away from the disc, a guide ring is provided in the guide groove, at least one stop block is fixedly connected in the shell, and the stop block is located on the side of the movable ring away from the disc, and a translation unit for driving the guide ring to translate is installed in the shell.

[0008] Preferably, the translation unit includes a plurality of piston rods fixedly mounted on the side of the guide ring away from the disc, and the end of the piston rod away from the guide ring passes through the shell, a movable plate is provided on the shell, a plurality of hydraulic telescopic rods are fixedly mounted on the shell, and the telescopic ends of the hydraulic telescopic rods are fixedly connected to the movable plate, and the piston rod and the movable plate are connected by an elastic member.

[0009] Preferably, the elastic member includes a first support tube slidably mounted on the outside of the piston rod, and the first support tube is fixedly connected to the movable plate, and one end of the piston rod away from the guide ring is connected to the movable plate through a spring, and the spring is located in the first support tube.

[0010] Preferably, a plurality of receiving grooves are provided on a side of the guide ring facing the disc, and rolling balls are arranged in the receiving grooves, and the rolling balls are in contact with the inner walls of the guide grooves.

[0011] Preferably, a fixing block is provided at one end of the prism away from the connecting column, a slot matching the prism is opened on the fixing block, and the end of the prism away from the connecting column is located in the slot, a support frame is provided on the external rotating sleeve of the support shaft, and the support frame and the fixing block are fixedly connected.

[0012] Preferably, the heat source supply structure includes a support shell rotatably sleeved on the outside of the support shaft, and the support shell is located outside the shell, a first circulation chamber and a second circulation chamber are opened in the support shaft, a first through hole and a second through hole are opened on the inner wall of the chamber of the propeller blade, the first circulation chamber and the second circulation chamber are connected through a reflux chamber, a third through hole matched with the first through hole is opened on the inner wall of the first circulation chamber, a fourth through hole matched with the second through hole is opened on the inner wall of the second circulation chamber, a second support tube matched with the reflux chamber is fixedly connected in the first circulation chamber, an end of the second support tube away from the second circulation chamber passes through the support shaft, and the second support tube and the support shaft are fixedly connected, a connecting head located outside the shell is rotatably sleeved on the outside of the second support tube, a heat source inlet is provided on the support shell, a heat source outlet is provided on the connecting head, a fifth through hole matched with the support shell is opened on the inner wall of the first circulation chamber, the support shell and the shell are fixedly connected by a first connecting frame, and the connecting head and the shell are fixedly connected by a second connecting frame.

[0013] Preferably, the driver includes a first bevel gear fixedly mounted on the outside of the support shaft, the first bevel gear is located outside the shell, a motor is fixedly connected to the outer wall of the shell, the output end of the motor is fixedly connected to a rotating shaft, and the rotating shaft is fixedly mounted with a second bevel gear meshing with the first bevel gear.

[0014] Preferably, a protective shell is fixedly mounted on the outer wall of the shell, and the support shaft passes through the protective shell, and the first bevel gear and the second bevel gear are both located in the protective shell.

[0015] Preferably, the prism is fixedly mounted with a scraper, and the scraper is in contact with the inner wall of the shell, a base is fixedly mounted on the bottom end of the shell, and the heating and drying unit includes a drying shell fixedly mounted on the outside of the shell, and a heat source inlet and a heat source outlet are respectively provided on the drying shell.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The support shaft is released from the state of synchronous rotation with the prism through the disc-type damping transmission structure, the prism is fixed relative to the shell, and the driver drives the support shaft and the propeller blades to rotate again. The propeller blades push the cleaning brush to slide on the outer wall of the propeller blades, and the propeller blades push the cleaning brush and the movable seat to slide relative to the prism. The driver drives the support shaft and the propeller blades to periodically rotate forward and reverse, so that the cleaning brush can clean the surface of the propeller blade, which is convenient for later maintenance and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0018] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure inside the housing of the present invention; Figure 3 for Figure 2 A schematic diagram of the local enlarged structure at point A in the middle; Figure 4 It is a schematic structural diagram of a cross-section of the support shaft of the present invention; Figure 5 is a schematic structural diagram of a propeller blade of the present invention; Figure 6 It is a schematic diagram of the structure of the prism of the present invention; Figure 7 It is a schematic diagram of the structure of the guide groove and the guide ring separated according to the present invention; Figure 8 It is a schematic diagram of the structure of the first support tube and the piston rod separated from each other in the present invention; Fig. 9 It is a structural schematic diagram of the support frame of the present invention.

[0019] In the figure: 1, shell; 2, feed pipe; 3, discharge pipe; 4, support shaft; 5, propeller blade; 6, prism; 7, movable seat; 8, cleaning brush; 9, scraper; 10, disc; 11, movable ring; 12, guide groove; 13, guide ring; 14, movable plate; 15, hydraulic telescopic rod; 16, first support tube; 17, piston rod; 18, spring; 19, receiving groove; 20, rolling ball; 21, fixed block; 22, slot; 23, support frame; 24, connecting column; 25, support shell ; 26. First circulation chamber; 27. Second circulation chamber; 28. First through hole; 29. ​​Second through hole; 30. Third through hole; 31. Fourth through hole; 32. Reflux chamber; 33. Second support tube; 34. Connector; 35. Vacuum tube; 36. Fifth through hole; 37. First connecting frame; 38. Second connecting frame; 39. Protective shell; 40. First bevel gear; 41. Rotating shaft; 42. Second bevel gear; 43. Motor; 44. Base; 45. Drying shell; 46. Stop block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] Embodiment 1, by Figure 1 , Figure 2 and Figure 3 The present invention comprises a shell 1, on which a feed pipe 2 and a discharge pipe 3 are arranged, and valves are arranged on the feed pipe 2 and the discharge pipe 3, the outer sleeve of the shell 1 is provided with a heating and drying unit, a rotatably connected support shaft 4 is passed through the shell 1, the outer fixed sleeve of the support shaft 4 is provided with a propeller blade 5, and the propeller blade 5 is a cavity structure, the shell 1 is equipped with a driver for driving the support shaft 4 to rotate, the support shaft 4 is equipped with a heat source supply structure adapted to the propeller blade 5, a prism 6 is arranged in the shell 1, the outer sliding sleeve of the prism 6 is provided with a movable seat 7, and the movable seat 7 is fixedly equipped with two cleaning devices in contact with the propeller blade 5 Brush 8, the support shaft 4 is installed with a disc-type damping transmission structure compatible with the prism 6, and a vacuum tube 35 is provided on the shell 1; the support shaft 4 is released from the state of synchronous rotation with the prism 6 through the disc-type damping transmission structure, and the prism 6 is fixed relative to the shell 1, and the driver drives the support shaft 4 and the propeller blade 5 to rotate again, and the propeller blade 5 pushes the cleaning brush 8 to slide on the outer wall of the propeller blade 5, and the propeller blade 5 pushes the cleaning brush 8 and the movable seat 7 to slide relative to the prism 6. The driver drives the support shaft 4 and the propeller blade 5 to periodically rotate forward and reverse, so that the cleaning brush 8 can complete the cleaning of the surface of the propeller blade 5, which is convenient for later maintenance and use.

[0022] Embodiment 2, based on embodiment 1, Figure 1 , Figure 2 , Figure 3 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 It is given that the disc-type damping transmission structure includes a disc 10 fixedly sleeved on the outside of the support shaft 4, the outer sleeve of the support shaft 4 is provided with a movable ring 11, and the movable ring 11 and the prism 6 are fixedly connected by a connecting column 24, the movable ring 11 and the disc 10 are in contact, and a guide groove 12 is provided on the side of the movable ring 11 away from the disc 10, and a guide ring 13 is provided in the guide groove 12, at least one stop block 46 is fixedly connected in the shell 1, and the stop block 46 is located on the side of the movable ring 11 away from the disc 10, the shell 1 is equipped with a translation unit for driving the guide ring 13 to translate, the translation unit includes a plurality of piston rods 17 fixedly installed on the side of the guide ring 13 away from the disc 10, and the end of the piston rod 17 away from the guide ring 13 passes through the shell 1, a movable plate 14 is provided on the shell 1, a plurality of hydraulic telescopic rods 15 are fixedly installed on the shell 1, and the telescopic end of the hydraulic telescopic rod 15 is fixedly connected to the movable plate 14, the piston rod 17 and the movable plate 14 are connected by an elastic member, and the elastic member includes a sliding sleeve on the movable The first support tube 16 is outside the plug rod 17, and the first support tube 16 is fixedly connected to the movable plate 14. The end of the piston rod 17 away from the guide ring 13 is connected to the movable plate 14 through a spring 18, and the spring 18 is located in the first support tube 16. The guide ring 13 is provided with a plurality of receiving grooves 19 on the side facing the disc 10. The receiving grooves 19 are provided with rolling balls 20, and the rolling balls 20 are in contact with the inner wall of the guide groove 12. The end of the prism 6 away from the connecting column 24 is provided with a fixed block 21, and the fixed block 21 A slot 22 adapted to the prism 6 is provided on the upper surface, and one end of the prism 6 away from the connecting column 24 is located in the slot 22, a support frame 23 is provided on the outer rotation sleeve of the support shaft 4, and the support frame 23 is fixedly connected to the fixing block 21, a scraper 9 is fixedly installed on the prism 6, and the scraper 9 is in contact with the inner wall of the shell 1, a base 44 is fixedly installed on the bottom end of the shell 1, and the heating and drying unit includes a drying shell 45 fixedly sleeved on the outside of the shell 1, and a heat source inlet and a heat source outlet are respectively provided on the drying shell 45; The movable ring 11 is in contact with the disc 10, and the hydraulic telescopic rod 15 drives the movable plate 14 to move toward the guide ring 13. The first support tube 16 slides relative to the piston rod 17, and the spring 18 is in a compressed state. The spring 18 applies pressure to the piston rod 17, the guide ring 13 and the movable ring 11 to make the movable ring 11 close to the disc 10. When the support shaft 4 rotates, the support shaft 4 drives the disc 10 to rotate, and the disc 10 drives the movable ring 11 to rotate synchronously through friction. The guide ring 13 slides in the guide groove 12, and the ball 20 rolls in the guide groove 12. The design of the ball 20 and the accommodating groove 19 reduces the resistance of the movable ring 11 when it rotates relative to the guide ring 13, and the movable ring 11 drives the prism 6 to rotate synchronously with the propeller blade 5 through the connecting column 24. The prism 6 drives the support frame 23 to rotate relative to the propeller blade 5 through the fixed block 21. The design of the fixed block 21 and the support frame 23 reduces the prism The column 6 may tilt and shake relative to the support shaft 4, and the prism 6 drives the scraper 9 to scrape off the materials attached to the inner wall of the shell 1. When there is no need to drive the prism 6 to rotate synchronously with the propeller blade 5, the hydraulic telescopic rod 15 drives the movable plate 14 to move in the opposite direction, so that the movable plate 14 pulls the piston rod 17, the guide ring 13 and the movable ring 11 to move in the opposite direction through the spring 18, and the movable ring 11 drives the prism 6 to slide relative to the slot 22 through the connecting column 24, and finally makes the movable ring 11 close to the stop block 46, and the spring 18 is in a stretched state, so that the movable ring 11 and the prism 6 are fixed relative to the shell 1. When the support shaft 4 and the propeller blade 5 rotate, the propeller blade 5 can push the cleaning brush 8 to slide on the outer wall of the propeller blade 5, and the heat source is injected into the drying shell 45 through the heat source inlet on the drying shell 45, and the heat source is discharged through the heat source outlet on the drying shell 45, and the shell 1 is heated by the circulating heat source.

[0023] Embodiment 3, based on embodiment 1, Figure 1 , Figure 2 , Figure 4 and Figure 5It is given that the heat source supply structure includes a support shell 25 rotatably sleeved on the outside of the support shaft 4, and the support shell 25 is located outside the shell 1, a first circulation chamber 26 and a second circulation chamber 27 are opened in the support shaft 4, a first through hole 28 and a second through hole 29 are opened on the inner wall of the chamber of the propeller blade 5, the first circulation chamber 26 and the second circulation chamber 27 are connected through a reflux chamber 32, a third through hole 30 adapted to the first through hole 28 is opened on the inner wall of the first circulation chamber 26, a fourth through hole 31 adapted to the second through hole 29 is opened on the inner wall of the second circulation chamber 27, a second support tube 33 adapted to the reflux chamber 32 is fixedly connected in the first circulation chamber 26, an end of the second support tube 33 away from the second circulation chamber 27 passes through the support shaft 4, and the second support tube 33 is fixedly connected to the support shaft 4, and the outer rotation of the second support tube 33 A connector 34 is sleeved and located outside the shell 1, a heat source inlet is provided on the support shell 25, a heat source outlet is provided on the connector 34, a fifth through hole 36 adapted to the support shell 25 is opened on the inner wall of the first circulation chamber 26, the support shell 25 is fixedly connected to the shell 1 through a first connecting frame 37, and the connector 34 is fixedly connected to the shell 1 through a second connecting frame 38. The driver includes a first bevel gear 40 fixedly sleeved on the outside of the support shaft 4, the first bevel gear 40 is located outside the shell 1, a motor 43 is fixedly connected to the outer wall of the shell 1, a rotating shaft 41 is fixedly connected to the output end of the motor 43, and a second bevel gear 42 meshing with the first bevel gear 40 is fixedly installed on the rotating shaft 41, a protective shell 39 is fixedly installed on the outer wall of the shell 1, and the support shaft 4 passes through the protective shell 39, and the first bevel gear 40 and the second bevel gear 42 are both located in the protective shell 39; The heat source is injected into the support shell 25 through the heat source inlet on the support shell 25, and the heat source is injected into the first circulation chamber 26 through the fifth through hole 36. The heat source then enters the cavity of the propeller blade 5 through the third through hole 30 and the first through hole 28. The heat source in the cavity of the propeller blade 5 then enters the second circulation chamber 27 through the second through hole 29 and the fourth through hole 31. The heat source flows into the connector 34 through the reflux chamber 32 and the second support tube 33, and is discharged through the heat source outlet on the connector 34. The propeller blade 5 is heated by the circulating heat source, and the rotating shaft 41 and the second bevel gear 42 are driven to rotate by the motor 43. The second bevel gear 42 drives the support shaft 4 to rotate through the first bevel gear 40. The support shaft 4 rotates relative to the connector 34 and the vacuum tube 35. The first bevel gear 40 and the second bevel gear 42 are protected by the design of the protective shell 39.

[0024] Working principle: During operation, the material to be dried is added into the shell 1 through the feed pipe 2, and then the valve on the feed pipe 2 is closed. The vacuum tube 35 is connected to the external vacuum pumping device, and the vacuum pumping device is turned on to make the shell 1 in a negative pressure state to accelerate the discharge of moisture. The heat source is introduced into the propeller blade 5 through the heat source supply structure, and the shell 1 is heated by the heating and drying unit. The driver drives the support shaft 4 and the propeller blade 5 to rotate, and the support shaft 4 drives the prism 6, the movable seat 7 and the cleaning brush 8 to rotate synchronously with the propeller blade 5 through the disc-type damping transmission structure. The material is heated with the propeller blade 5 and the hot surface of the shell 1. Exchange to achieve the purpose of drying. When the drying is completed, the valve on the discharge pipe 3 is opened to discharge the dried material through the discharge pipe 3. The support shaft 4 is released from the state of synchronous rotation with the prism 6 through the disc-type damping transmission structure. The prism 6 is fixed relative to the shell 1. The driver drives the support shaft 4 and the propeller blade 5 to rotate again. The propeller blade 5 pushes the cleaning brush 8 to slide on the outer wall of the propeller blade 5, and the propeller blade 5 pushes the cleaning brush 8 and the movable seat 7 to slide relative to the prism 6. The driver drives the support shaft 4 and the propeller blade 5 to rotate forward and reverse periodically, so that the cleaning brush 8 can clean the surface of the propeller blade 5, which is convenient for later maintenance and use. The movable ring 11 is in contact with the disc 10, and the hydraulic telescopic rod 15 drives the movable plate 14 to move toward the guide ring 13. The first support tube 16 slides relative to the piston rod 17, and the spring 18 is in a compressed state. The spring 18 applies pressure to the piston rod 17, the guide ring 13 and the movable ring 11 to make the movable ring 11 close to the disc 10. When the support shaft 4 rotates, the support shaft 4 drives the disc 10 to rotate, and the disc 10 drives the movable ring 11 to rotate synchronously through friction. The guide ring 13 slides in the guide groove 12, and the ball 20 rolls in the guide groove 12. The design of the ball 20 and the accommodating groove 19 reduces the resistance of the movable ring 11 when it rotates relative to the guide ring 13, and the movable ring 11 drives the prism 6 to rotate synchronously with the propeller blade 5 through the connecting column 24. The prism 6 drives the support frame 23 to rotate relative to the propeller blade 5 through the fixed block 21. The design of the fixed block 21 and the support frame 23 reduces the prism The column 6 may tilt and shake relative to the support shaft 4, and the prism 6 drives the scraper 9 to scrape off the materials attached to the inner wall of the shell 1. When there is no need to drive the prism 6 to rotate synchronously with the propeller blade 5, the hydraulic telescopic rod 15 drives the movable plate 14 to move in the opposite direction, so that the movable plate 14 pulls the piston rod 17, the guide ring 13 and the movable ring 11 to move in the opposite direction through the spring 18, and the movable ring 11 drives the prism 6 to slide relative to the slot 22 through the connecting column 24, and finally makes the movable ring 11 close to the stop block 46, and the spring 18 is in a stretched state, so that the movable ring 11 and the prism 6 are fixed relative to the shell 1. When the support shaft 4 and the propeller blade 5 rotate, the propeller blade 5 can push the cleaning brush 8 to slide on the outer wall of the propeller blade 5, and the heat source is injected into the drying shell 45 through the heat source inlet on the drying shell 45, and the heat source is discharged through the heat source outlet on the drying shell 45, and the shell 1 is heated by the circulating heat source; The heat source is injected into the support shell 25 through the heat source inlet on the support shell 25, and the heat source is injected into the first circulation chamber 26 through the fifth through hole 36. The heat source then enters the cavity of the propeller blade 5 through the third through hole 30 and the first through hole 28. The heat source in the cavity of the propeller blade 5 then enters the second circulation chamber 27 through the second through hole 29 and the fourth through hole 31. The heat source flows into the connector 34 through the reflux chamber 32 and the second support tube 33, and is discharged through the heat source outlet on the connector 34. The propeller blade 5 is heated by the circulating heat source, and the rotating shaft 41 and the second bevel gear 42 are driven to rotate by the motor 43. The second bevel gear 42 drives the support shaft 4 to rotate through the first bevel gear 40. The support shaft 4 rotates relative to the connector 34 and the vacuum tube 35. The first bevel gear 40 and the second bevel gear 42 are protected by the design of the protective shell 39.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum disc paddle dryer, comprising a housing (1), characterized in that: The shell (1) is provided with a feed pipe (2) and a discharge pipe (3), and both the feed pipe (2) and the discharge pipe (3) are provided with valves. The outer sleeve of the shell (1) is provided with a heating and drying unit. A rotatably connected support shaft (4) passes through the shell (1). The outer fixed sleeve of the support shaft (4) is provided with a propeller blade (5), and the propeller blade (5) is a cavity structure. The shell (1) is equipped with a driver for driving the support shaft (4) to rotate. The support shaft (4) is equipped with a heat source supply structure that is compatible with the propeller blade (5). A prism (6) is provided in the shell (1). The outer sliding sleeve of the prism (6) is provided with a movable seat (7). The movable seat (7) is fixedly provided with two cleaning brushes (8) that are in contact with the propeller blade (5). The support shaft (4) is equipped with a disc-type damping transmission structure that is compatible with the prism (6). The shell (1) is provided with a vacuum tube (35). The disc-type damping transmission structure comprises a disc (10) fixedly sleeved on the outside of a support shaft (4); a movable ring (11) is sleeved on the outside of the support shaft (4); the movable ring (11) and the prism (6) are fixedly connected via a connecting column (24); the movable ring (11) and the disc (10) are in contact; a guide groove (12) is provided on a side of the movable ring (11) away from the disc (10); a guide ring (13) is provided in the guide groove (12); at least one stop block (46) is fixedly connected in a housing (1); the stop block (46) is located on a side of the movable ring (11) away from the disc (10); and a translation unit for driving the guide ring (13) to translate is installed in the housing (1).

2. A vacuum disc paddle dryer according to claim 1, characterized in that: The translation unit comprises a plurality of piston rods (17) fixedly mounted on a side of the guide ring (13) away from the disc (10), and one end of the piston rod (17) away from the guide ring (13) passes through the housing (1), a movable plate (14) is provided on the housing (1), a plurality of hydraulic telescopic rods (15) are fixedly mounted on the housing (1), and the telescopic ends of the hydraulic telescopic rods (15) are fixedly connected to the movable plate (14), and the piston rod (17) and the movable plate (14) are connected via an elastic member.

3. A vacuum disc paddle dryer according to claim 2, characterized in that: The elastic member comprises a first support tube (16) slidably mounted on the outside of the piston rod (17), and the first support tube (16) and the movable plate (14) are fixedly connected, and one end of the piston rod (17) away from the guide ring (13) is connected to the movable plate (14) via a spring (18), and the spring (18) is located in the first support tube (16).

4. A vacuum disc paddle dryer according to claim 1, characterized in that: A plurality of receiving grooves (19) are formed on a side of the guide ring (13) facing the disc (10), and rolling balls (20) are arranged in the receiving grooves (19), and the rolling balls (20) are in contact with the inner wall of the guide groove (12).

5. A vacuum disc paddle dryer according to claim 1, characterized in that: A fixing block (21) is provided at one end of the prism (6) away from the connecting column (24); a slot (22) matching the prism (6) is provided on the fixing block (21); and the end of the prism (6) away from the connecting column (24) is located in the slot (22); a supporting frame (23) is provided on the outer rotating sleeve of the supporting shaft (4); and the supporting frame (23) and the fixing block (21) are fixedly connected.

6. A vacuum disc paddle dryer according to claim 1, characterized in that: The heat source supply structure comprises a support shell (25) rotatably sleeved on the outside of the support shaft (4), and the support shell (25) is located outside the shell (1); a first circulation chamber (26) and a second circulation chamber (27) are provided in the support shaft (4); a first through hole (28) and a second through hole (29) are provided on the inner wall of the chamber of the propeller blade (5); the first circulation chamber (26) and the second circulation chamber (27) are connected via a reflux chamber (32); a third through hole (30) adapted to the first through hole (28) is provided on the inner wall of the first circulation chamber (26); a fourth through hole (31) adapted to the second through hole (29) is provided on the inner wall of the second circulation chamber (27); a fixed through hole (32) is provided in the first circulation chamber (26); A second support tube (33) adapted to the reflux chamber (32) is connected, one end of the second support tube (33) away from the second circulation chamber (27) passes through the support shaft (4), and the second support tube (33) and the support shaft (4) are fixedly connected, an outer rotating sleeve of the second support tube (33) is provided with a connector (34) located outside the shell (1), a heat source inlet is provided on the support shell (25), and a heat source outlet is provided on the connector (34), a fifth through hole (36) adapted to the support shell (25) is opened on the inner wall of the first circulation chamber (26), the support shell (25) and the shell (1) are fixedly connected via a first connecting frame (37), and the connector (34) and the shell (1) are fixedly connected via a second connecting frame (38).

7. A vacuum disc paddle dryer according to claim 1, characterized in that: The driver comprises a first bevel gear (40) fixedly sleeved on the outside of a support shaft (4); the first bevel gear (40) is located outside a housing (1); a motor (43) is fixedly connected to an outer wall of the housing (1); an output end of the motor (43) is fixedly connected to a rotating shaft (41); and a second bevel gear (42) meshing with the first bevel gear (40) is fixedly mounted on the rotating shaft (41).

8. A vacuum disc paddle dryer according to claim 7, characterized in that: A protective shell (39) is fixedly mounted on the outer wall of the housing (1), and the support shaft (4) passes through the protective shell (39). The first bevel gear (40) and the second bevel gear (42) are both located inside the protective shell (39).

9. A vacuum disc paddle dryer according to claim 1, characterized in that: The prism (6) is fixedly mounted with a scraper (9), and the scraper (9) is in contact with the inner wall of the shell (1). A base (44) is fixedly mounted on the bottom end of the shell (1). The heating and drying unit comprises a drying shell (45) fixedly mounted on the outside of the shell (1). A heat source inlet and a heat source outlet are respectively provided on the drying shell (45).

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