A rotary kiln for improving heat radiation capture efficiency

Abstract

The present application relates to a rotary kiln for improving the efficiency of heat radiation capture, and relates to the field of rotary kilns. The rotary kiln comprises a frame, a kiln body rotatably connected to the frame, a cleaning mechanism arranged on the inner wall of the kiln body for quickly cleaning the rings on the inner wall of the kiln body along the length direction of the kiln body, and a plurality of automatic compensation mechanisms arranged on the outer side of the kiln body for automatically compensating the air inside the kiln body; the cleaning mechanism comprises two first support frames and second support frames respectively arranged on the inner wall of the kiln body, a plurality of rotating rods arranged between the first support frame and the second support frame, a moving assembly arranged between the first support frame and the second support frame for driving the plurality of rotating rods to move along the length direction of the kiln body, and a rotating assembly arranged between the first support frame and the second support frame for driving the plurality of rotating rods to rotate synchronously. The present application has the effect of facilitating the staff to quickly eliminate the ringing phenomenon generated by the rotary kiln, improving production efficiency and production quality, and reducing production costs.

Description

Technical Field

[0001] The present application relates to the field of rotary kilns, and in particular to a rotary kiln capable of improving the efficiency of heat radiation capture. Background Art

[0002] A rotary kiln is a rotary calcining kiln (commonly known as a rotary kiln), which belongs to the category of building materials equipment. Rotary kilns can be divided into cement kilns, metallurgical chemical kilns and lime kilns according to the materials they process. Cement kilns are mainly used to calcine cement clinker, and are divided into two categories: dry process cement kilns and wet process cement kilns.

[0003] At present, the rotary kiln is prone to ringing during the calcination of raw materials. The ringing phenomenon refers to the fact that when the composition of the raw materials entering the kiln fluctuates greatly or the feeding speed is uneven, the temperature in the kiln fluctuates, which causes the cement raw materials to adhere to the inner wall of the rotary kiln, that is, the ringing phenomenon. The ringing phenomenon will seriously affect the ventilation in the kiln, and the quality of cement will be affected after the ringing time is long. Usually, the kiln needs to be stopped for treatment after the ring is formed. If the ring is located near the end of the rotary kiln, the ring can be calcined for several hours by alternating hot and cold methods until the ring is burned down. If the ring is located near the middle of the rotary kiln, it is usually necessary to wait for it to fall off naturally. The ringing treatment operation process is not only complicated, but also slow and inefficient, which delays the production process, increases production costs, and affects the quality of cement. Summary of the invention

[0004] In order to facilitate the staff to quickly eliminate the ringing phenomenon generated by the rotary kiln, improve production efficiency and production quality, and reduce production costs, the present application provides a rotary kiln with improved thermal radiation capture efficiency.

[0005] The present application provides a rotary kiln for improving the thermal radiation capture efficiency, which adopts the following technical solution:

[0006] A rotary kiln for improving the efficiency of heat radiation capture comprises a frame, a kiln body rotatably connected to the frame, a cleaning mechanism arranged on the inner wall of the kiln body for quickly cleaning the rings on the inner wall of the kiln body along the length direction of the kiln body, and a plurality of automatic compensation mechanisms arranged on the outer side of the kiln body for automatically compensating the air inside the kiln body.

[0007] By adopting the above technical scheme, when rings are formed in the kiln body of the rotary kiln, the automatic compensation mechanism is first started, and the automatic compensation mechanism can automatically suck the outside air into the kiln body, thereby reducing the phenomenon that the kiln is poorly ventilated after the rings are formed, the cement raw materials are not easy to be fully burned, and the cement quality is affected. At the same time, the construction personnel start the cleaning mechanism, and the cleaning mechanism adopts a mechanical cleaning method, and the rings on the inner wall of the rotary kiln can be quickly broken and removed without stopping the kiln for treatment; the automatic compensation mechanism and the cleaning mechanism not only facilitate the staff to quickly eliminate the ring phenomenon generated by the rotary kiln, but also ensure the sufficient supply of air in the kiln when the rings are formed, and the cleaning mechanism adopts a mechanical cleaning method and can be recycled, thereby improving production efficiency and production quality and reducing production costs.

[0008] Optionally, the cleaning mechanism includes two first support frames and a second support frame respectively detachably connected to the inner side wall of the kiln body, a plurality of rotating rods arranged between the first support frame and the second support frame, a moving assembly arranged between the first support frame and the second support frame for driving the plurality of rotating rods to move along the length direction of the kiln body, and a rotating assembly arranged between the first support frame and the second support frame for driving the plurality of rotating rods to rotate synchronously;

[0009] The first support frame and the second support frame are respectively located on both sides of the length direction of the kiln body, and the plurality of rotating rods are evenly distributed along the circumference of the kiln body and are located in the same plane.

[0010] By adopting the above technical solution, when the rings in the kiln body are broken by the cleaning mechanism, the staff first starts the moving component, and the moving component drives the rotating rod to move to the ring. Then the staff starts the rotating component, and the rotating component synchronously drives multiple rotating rods to rotate, so as to break the ring. The whole process of breaking the ring is carried out in the rotary kiln body, which is simple to operate and the speed of breaking the ring is fast and stable.

[0011] Optionally, the moving assembly includes a screw rotatably connected between the first support frame and the second support frame, a threaded sleeve threadedly connected to the screw, a driving frame sleeved on the outer wall of the threaded sleeve, a first rotating shaft rotatably connected in the first support frame, a first bevel gear group arranged between the screw and the first rotating shaft, and a driving motor arranged at one end of the first rotating shaft away from the first bevel gear group; the driving frame is rotatably connected to the threaded sleeve, and the driving frame is rotatably connected to multiple rotating rods.

[0012] By adopting the above technical solution, when the moving component drives multiple rotating rods to move synchronously along the length direction of the kiln body, the staff first starts the driving motor, and then the driving motor drives the first rotating shaft to rotate. The first rotating shaft drives the screw to rotate through the first bevel gear set, and the screw drives the threaded sleeve to move along the length direction of the screw. The threaded sleeve drives the driving frame to move, and the driving frame can drive the rotating rods connected to it to move along the length direction of the kiln body, so that the rotating rods can be moved to the looping position; the moving component can control the synchronous movement of multiple rotating rods, so that the staff can operate more conveniently, and the driving motor is installed to the outside of the kiln body to ensure the stability of the driving motor operation.

[0013] Optionally, the rotating assembly includes a second rotating shaft rotatably connected to a second support frame, a plurality of spline shafts rotatably connected between the first support frame and the second support frame, a second bevel gear set arranged between the second rotating shaft and one of the spline shafts, a power motor arranged at an end of the second rotating shaft away from the second bevel gear set, and a linkage component arranged between the plurality of spline shafts for driving the plurality of spline shafts to rotate synchronously; the rotating rod is slidingly connected to the spline shaft.

[0014] By adopting the above technical solution, when the rotating rod is driven to rotate by the rotating component, the power motor is started first, and then the power motor drives the second rotating shaft to rotate. The second rotating shaft drives the spline shaft connected to it to rotate through the second bevel gear set, and the spline shaft can drive the rotating rod slidingly connected to it to rotate. At the same time, the spline shaft drives multiple spline shafts to rotate synchronously through the linkage component; the spline shaft can drive the rotating rod to rotate without affecting the feeding movement of the rotating rod.

[0015] Optionally, the linkage component includes driving gears respectively sleeved on the ends of multiple spline shafts and gear rings meshing with the multiple driving gears; the driving gears are fixedly connected to the spline shafts, and the gear rings are rotatably connected to the second support frame.

[0016] By adopting the above technical solution, when multiple spline shafts are driven to rotate synchronously through the linkage component, the second rotating shaft first drives one of the spline shafts to rotate, the spline shaft drives the driving gear fixedly connected to it to rotate, and the driving gear drives the ring gear to rotate. The ring gear can drive multiple driving gears meshing with it to rotate synchronously, so that multiple driving gears can drive multiple spline shafts to rotate synchronously.

[0017] Optionally, a sleeve is fixedly provided on the rotating rod, and a spline groove matching the spline shaft is opened on the sleeve along its length direction, and the spline shaft is inserted into the spline groove on the sleeve.

[0018] By adopting the above technical solution, the sleeve increases the connection area between the spline shaft and the rotating rod, reduces stress concentration, makes the connection between the spline shaft and the rotating rod less prone to wear, and improves the stability of the rotating rod when moving.

[0019] Optionally, the rotating rods are arranged in spike shapes on both sides along the length direction of the kiln body.

[0020] By adopting the above technical solution, the spike-shaped setting reduces the contact area between the rotating rod and the knot, reduces the friction between the two, and at the same time improves the cutting effect of the working surface of the rotating rod. By utilizing the effect of breaking the surface with a point, the entire knot is gradually destroyed and scattered, thereby improving the cleaning effect of the cleaning mechanism.

[0021] Optionally, the automatic compensation mechanism includes a plurality of air inlet ducts arranged on the outer side wall of the kiln body and a filter screen arranged on the air inlet ducts;

[0022] The air inlet duct is in communication with the interior of the kiln body. A baffle is fixedly arranged at one end of the air inlet duct located in the kiln body, and a plurality of air inlet holes are opened on the baffle.

[0023] By adopting the above technical scheme, when ring formation occurs in the kiln body, resulting in poor ventilation in the kiln body, a negative pressure state will be generated in the kiln body. At this time, the outside air is automatically sucked into the kiln body through the air inlet duct to compensate for the kiln body air, thereby ensuring sufficient supply of air in the kiln when ring formation occurs, reducing the losses caused by the ring formation, and improving product quality; at the same time, the filter net prevents impurities from entering the kiln body, further improving the quality of cement products.

[0024] Optionally, the air inlet duct is wound around the outer wall of the kiln body for multiple turns.

[0025] By adopting the above technical solution, multiple turns of winding make it difficult for the heat in the kiln to dissipate from the air inlet duct, thereby providing air for the kiln, allowing the raw material to be fully burned and improving the heat utilization rate in the kiln.

[0026] Optionally, the filter screen is detachably connected to the air inlet duct.

[0027] By adopting the above technical solution, the detachable connection makes it convenient for construction workers to regularly clean impurities adhering to the filter net and to replace the damaged filter net, thereby improving the filtering effect of the filter net.

[0028] In summary, the present application includes at least one of the following beneficial technical effects:

[0029] 1. The automatic compensation mechanism and cleaning mechanism not only facilitate the staff to quickly eliminate the ringing phenomenon caused by the rotary kiln, but also ensure the sufficient supply of air in the kiln when the ring is formed. In addition, the cleaning mechanism adopts a mechanical cleaning method and can be recycled, which improves production efficiency and production quality and reduces production costs;

[0030] 2. When the rings in the kiln body are broken by the cleaning mechanism, the staff first starts the moving component, which drives the rotating rod to move to the ring. Then the staff starts the rotating component, which drives multiple rotating rods to rotate synchronously, so as to break the ring. The whole process of breaking the ring is carried out in the rotary kiln body, which is simple to operate and has a fast and stable ring breaking speed.

[0031] 3. The moving assembly can control the synchronous movement of multiple rotating rods, making it more convenient for the staff to operate, and the drive motor is installed on the outside of the kiln body to ensure the stability of the drive motor operation;

[0032] 4. When ringing occurs in the kiln body, which makes the kiln body ventilated, a negative pressure state will be generated in the kiln body. At this time, the outside air is automatically sucked into the kiln body through the air inlet duct to compensate for the kiln body air, thereby ensuring sufficient supply of air in the kiln when ringing occurs, reducing the loss caused by ringing and improving product quality. At the same time, the filter screen prevents impurities from entering the kiln body, further improving the quality of cement products.

[0033] 5. Winding multiple times makes it difficult for the heat in the kiln to dissipate from the air inlet duct, thereby providing air for the kiln, allowing the raw materials to burn fully and improving the heat utilization rate in the kiln. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the structure of the rotary kiln in the embodiment of the present application;

[0035] Figure 2 is a partial cross-sectional view showing a rotary kiln;

[0036] Figure 3 Yes means Figure 2 A schematic diagram of the partially enlarged structure of part A;

[0037] Figure 4 is a partial cross-sectional view showing a moving assembly;

[0038] Figure 5 is a partial cross-sectional view showing a rotating assembly;

[0039] Figure 6 It is a schematic diagram showing the local structure of the automatic compensation mechanism.

[0040] Explanation of the accompanying drawings: 1. frame; 2. kiln body; 3. cleaning mechanism; 31. first support frame; 32. second support frame; 33. rotating rod; 34. moving assembly; 341. screw; 342. threaded sleeve; 343. driving frame; 344. first rotating shaft; 345. driving motor; 346. first bevel gear set; 35. rotating assembly; 351. second rotating shaft; 352. power motor; 353. spline shaft; 354. sleeve; 3541. spline groove; 355. second bevel gear set; 356. linkage component; 3561. driving gear; 3562. gear ring; 4. automatic compensation mechanism; 41. air inlet duct; 42. filter; 43. connecting piece. DETAILED DESCRIPTION

[0041] The following is combined with Figure 1-6 This application is described in further detail.

[0042] The present application embodiment discloses a rotary kiln for improving the efficiency of heat radiation capture. Figure 1 and Figure 2 The rotary kiln comprises a frame 1, on which a kiln body 2 is rotatably connected. A cleaning mechanism 3 is provided on the inner wall of the kiln body 2, and the cleaning mechanism 3 is used to quickly clean the rings on the inner wall of the kiln body 2 along the length direction of the kiln body 2. A plurality of automatic compensation mechanisms 4 are evenly distributed on the outer side of the kiln body 2 along its length direction, and the automatic compensation mechanisms 4 are used to automatically compensate for the air inside the kiln body 2.

[0043] When rings are formed in the kiln body 2 of the rotary kiln, the automatic compensation mechanism 4 is first started, which automatically sucks external air into the kiln body 2 to ensure sufficient air supply in the kiln when rings are formed, thereby reducing the adverse consequences caused by the difficulty in fully burning the cement raw materials and affecting the quality of cement. At the same time, the construction personnel start the cleaning mechanism 3, which uses a mechanical cleaning method to quickly break and remove the rings, and there is no need to stop the kiln for treatment and it can be recycled, thereby improving production efficiency and production quality.

[0044] Reference Figure 2 and Figure 3The cleaning mechanism 3 includes two first support frames 31 and second support frames 32 respectively bolted to the inner side wall of the kiln body 2, the first support frame 31 and the second support frame 32 are respectively located on both sides of the length direction of the kiln body 2, and the first support frame 31 and the second support frame 32 are both in a cross shape. A plurality of rotating rods 33 are arranged between the first support frame 31 and the second support frame 32, and the plurality of rotating rods 33 are evenly distributed along the circumference of the kiln body 2 and are located in the same plane. A moving assembly 34 is arranged between the first support frame 31 and the second support frame 32, and the moving assembly 34 is used to drive the plurality of rotating rods 33 to move along the length direction of the kiln body 2. A rotating assembly 35 is arranged between the first support frame 31 and the second support frame 32, and the rotating assembly 35 is used to drive the plurality of rotating rods 33 to rotate synchronously. The rotating rods 33 are arranged in a spike shape on both sides along the length direction of the kiln body 2, and the spike shape is used to reduce the contact area between the rotating rod 33 and the ring, reduce the friction between the two, improve the cutting effect of the working surface of the rotating rod 33, and gradually destroy and remove the ring by using the effect of breaking the surface with a point.

[0045] Reference Figure 3 and Figure 4 The moving assembly 34 includes a screw rod 341 rotatably connected between the first support frame 31 and the second support frame 32, and the axis of the screw rod 341 coincides with the axis of the kiln body 2. A threaded sleeve 342 is threadedly connected to the screw rod 341, and a driving frame 343 is sleeved on the outer wall of the threaded sleeve 342. The driving frame 343 is cross-shaped, and the driving frame 343 is rotatably connected to the threaded sleeve 342, and the driving frame 343 is rotatably connected to the multiple rotating rods 33. A first rotating shaft 344 is rotatably connected in the first support frame 31, and a driving motor 345 is provided at one end of the first rotating shaft 344. The driving motor 345 is located outside the kiln body 2 and uses a solar battery as a power source. A first bevel gear set 346 is provided between the first rotating shaft 344 and the screw rod 341, and the first bevel gear set 346 is used to conduct power to the screw rod 341 in reverse direction.

[0046] Reference Figure 3 and Figure 5The rotating assembly 35 includes a second rotating shaft 351 rotatably connected to the second support frame 32. A power motor 352 is arranged at one end of the second rotating shaft 351. The power motor 352 is located outside the kiln body 2 and also uses a solar battery as a power source. A plurality of spline shafts 353 are arranged between the first support frame 31 and the second support frame 32. The plurality of spline shafts 353 correspond to the plurality of rotating rods 33 one by one. The rotating rods 33 are slidably connected to the spline shafts 353. A sleeve 354 is fixed at the middle position of the rotating rod 33. The sleeve 354 is perpendicular to the rotating rod 33, and the sleeve 354 is provided with a spline groove 3541 adapted to the spline shaft 353 along its length direction. The spline shaft 353 is plugged into the spline groove 3541 on the sleeve 354. The sleeve 354 is used to increase the connection area between the spline shaft 353 and the corresponding rotating rod 33, so that the connection between the spline shaft 353 and the rotating rod 33 is not easy to wear. A second bevel gear set 355 is further provided between the second rotating shaft 351 and one of the spline shafts 353, and the second bevel gear set 355 is used to conduct power to the spline shaft 353. A linkage component 356 is provided between the multiple spline shafts 353, and the linkage component 356 is used to drive the multiple spline shafts 353 to rotate synchronously.

[0047] Reference Figure 5 The linkage component 356 includes driving gears 3561 respectively sleeved on the ends of the plurality of spline shafts 353, and the driving gears 3561 are fixedly connected to the spline shafts 353. A gear ring 3562 is provided at one end of the second support frame 32, and the gear ring 3562 is rotatably connected to the second support frame 32, and the gear ring 3562 is meshed with the plurality of driving gears 3561.

[0048] When the ring in the kiln body 2 is broken by the cleaning mechanism 3, the staff first starts the driving motor 345, and then the driving motor 345 drives the first rotating shaft 344 to rotate, and the first rotating shaft 344 drives the screw 341 to rotate through the first bevel gear set 346, and the screw 341 drives the threaded sleeve 342 to move along the length direction of the screw 341, and the threaded sleeve 342 drives the driving frame 343 to move, and the driving frame 343 can drive the rotating rod 33 connected to it to move along the length direction of the kiln body 2, so that the rotating rod 33 moves to the ring. Then the staff starts the power motor 352, and the power motor 352 drives the second rotating shaft 344 to rotate. The shaft 351 rotates, and the second rotating shaft 351 drives the spline shaft 353 connected thereto to rotate through the second bevel gear set 355. The spline shaft 353 can drive the rotating rod 33 slidingly connected thereto to rotate. At the same time, the spline shaft 353 drives the driving gear 3561 fixedly connected thereto to rotate. The driving gear 3561 drives the ring gear 3562 to rotate. The ring gear 3562 can drive multiple driving gears 3561 meshing therewith to rotate synchronously, so that multiple driving gears 3561 can drive multiple spline shafts 353 to rotate synchronously, so that multiple spline shafts 353 drive multiple rotating rods 33 to rotate synchronously, thereby breaking the loop.

[0049] Reference Figure 6 The automatic compensation mechanism 4 includes a plurality of air inlet ducts 41 arranged on the outer wall of the kiln body 2. The air inlet ducts 41 are connected to the inside of the kiln body 2, and the air inlet ducts 41 are wound around the outer wall of the kiln body 2 for multiple turns. The multiple turns are used to prevent the heat in the kiln from being easily dissipated from the air inlet ducts 41, thereby providing air for the kiln, so that the raw materials can be fully burned and the heat utilization rate in the kiln can be improved. A baffle is fixedly provided at one end of the air inlet duct 41 located in the kiln body 2, and a plurality of air inlet holes are opened on the baffle. A filter screen 42 is also provided on one side of the air inlet of the air inlet duct 41. The filter screen 42 is used to prevent impurities from entering the kiln body 2 and improve the quality of cement products. A connector 43 is provided between the filter screen 42 and the air inlet duct 41. The connector 43 is used to fix the filter screen 42 to the air inlet duct 41. The connector 43 can be a clamp or a pipe clamp.

[0050] When ring formation occurs in the kiln body 2, resulting in poor ventilation in the kiln body 2, a negative pressure state will be generated in the kiln body 2. At this time, external air is automatically sucked into the kiln body 2 through the air inlet duct 41 to compensate for the air in the kiln body 2, thereby ensuring sufficient supply of air in the kiln when ring formation occurs, reducing losses caused by the ring formation and improving product quality.

[0051] The implementation principle of a rotary kiln for improving the efficiency of heat radiation capture in the embodiment of the present application is as follows: when ring formation occurs in the kiln body 2 of the rotary kiln, on the one hand, poor ventilation and negative pressure will occur in the kiln body 2, and at this time, the outside air can be automatically sucked into the kiln body 2 through the air inlet duct 41 to compensate for the air in the kiln body 2, thereby ensuring sufficient supply of air in the kiln when ring formation occurs and reducing the loss caused by the ring formation phenomenon. On the other hand, the staff starts the drive motor 345, and the drive motor 345 controls the screw 341 to rotate, and the screw 341 drives the drive frame 343 to move and the rotating rod 33 to move along the length direction of the kiln body 2 to the ring formation. Then the staff starts the power motor 352, the power motor 352 controls and drives one of the spline shafts 353 to rotate, and the spline shaft 353 drives multiple rotating rods 33 to rotate synchronously through the linkage component 356, so as to break the ring. The cleaning mechanism 3 adopts a mechanical cleaning method, and there is no need to stop the kiln for treatment, and the ring on the inner wall of the rotary kiln can be quickly broken and removed; the automatic compensation mechanism 4 and the cleaning mechanism 3 are not only convenient for the staff to quickly eliminate the ring phenomenon generated by the rotary kiln, but also ensure the sufficient supply of air in the kiln when the ring is formed, and the cleaning mechanism 3 adopts a mechanical cleaning method and can be recycled, thereby improving production efficiency and production quality and reducing production costs.

[0052] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A rotary kiln for improving the efficiency of heat radiation capture, characterized in that: The invention comprises a frame (1), a kiln body (2) rotatably connected to the frame (1), a cleaning mechanism (3) arranged on the inner wall of the kiln body (2) for quickly cleaning the rings on the inner wall of the kiln body (2) along the length direction of the kiln body (2), and a plurality of automatic compensation mechanisms (4) arranged on the outer side of the kiln body (2) for automatically compensating the air inside the kiln body (2); The cleaning mechanism (3) comprises a first support frame (31) and a second support frame (32) respectively detachably connected to the inner side wall of the kiln body (2), a plurality of rotating rods (33) arranged between the first support frame (31) and the second support frame (32), a moving assembly (34) arranged between the first support frame (31) and the second support frame (32) for driving the plurality of rotating rods (33) to move along the length direction of the kiln body (2), and a rotating assembly (35) arranged between the first support frame (31) and the second support frame (32) for driving the plurality of rotating rods (33) to rotate synchronously; The first support frame (31) and the second support frame (32) are respectively located on both sides of the length direction of the kiln body (2), and a plurality of rotating rods (33) are evenly distributed along the circumference of the kiln body (2) and are located in the same plane; The rotating assembly (35) comprises a second rotating shaft (351) rotatably connected to the second support frame (32), a plurality of spline shafts (353) rotatably connected between the first support frame (31) and the second support frame (32), a second bevel gear set (355) arranged between the second rotating shaft (351) and one of the spline shafts (353), a power motor (352) arranged at one end of the second rotating shaft (351) away from the second bevel gear set (355), and a linkage component (356) arranged between the plurality of spline shafts (353) for driving the plurality of spline shafts (353) to rotate synchronously; the rotating rod (33) is slidably connected to the spline shafts (353); The linkage component (356) comprises driving gears (3561) respectively sleeved on the ends of the plurality of spline shafts (353) and a gear ring (3562) meshing with the plurality of driving gears (3561); the driving gear (3561) is fixedly connected to the spline shaft (353), and the gear ring (3562) is rotatably connected to the second support frame (32).

2. A rotary kiln for improving heat radiation capture efficiency according to claim 1, characterized in that: The moving assembly (34) comprises a screw rod (341) rotatably connected between the first support frame (31) and the second support frame (32), a threaded sleeve (342) threadedly connected to the screw rod (341), a driving frame (343) sleeved on the outer wall of the threaded sleeve (342), a first rotating shaft (344) rotatably connected inside the first support frame (31), a first bevel gear set (346) arranged between the screw rod (341) and the first rotating shaft (344), and a driving motor (345) arranged at one end of the first rotating shaft (344) away from the first bevel gear set (346); the driving frame (343) is rotatably connected to the threaded sleeve (342), and the driving frame (343) is rotatably connected to the plurality of rotating rods (33).

3. A rotary kiln for improving heat radiation capture efficiency according to claim 1, characterized in that: A sleeve (354) is fixedly provided on the rotating rod (33). The sleeve (354) is provided with a spline groove matched with the spline shaft (353) along its length direction. The spline shaft (353) is inserted into the spline groove on the sleeve (354).

4. A rotary kiln for improving heat radiation capture efficiency according to claim 1, characterized in that: The rotating rods (33) are arranged in a spike shape on both sides along the length direction of the kiln body (2).

5. A rotary kiln for improving heat radiation capture efficiency according to any one of claims 1 to 4, characterized in that: The automatic compensation mechanism (4) comprises a plurality of air inlet ducts (41) arranged on the outer wall of the kiln body (2) and a filter screen (42) arranged on the air inlet ducts (41); The air inlet duct (41) is in communication with the interior of the kiln body (2); a baffle is fixedly provided at one end of the air inlet duct (41) located inside the kiln body (2); and a plurality of air inlet holes are provided on the baffle.

6. A rotary kiln for improving heat radiation capture efficiency according to claim 5, characterized in that: The air inlet duct (41) is wound around the outer wall of the kiln body (2) for multiple turns.

7. A rotary kiln for improving heat radiation capture efficiency according to claim 5, characterized in that: The filter screen (42) is detachably connected to the air inlet duct (41).

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