Modularized disc paddle dryer
By designing an energy-saving mechanism to recover hot air and a stirring mechanism in the dryer to increase the contact between materials and hot air, the problem of insufficient heat utilization of existing dryers is solved, and more efficient energy utilization and drying effects are achieved.
Patent Information
- Application Number
- CN202421783051.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The existing dryers do not utilize sufficient heat during the drying process, resulting in waste of energy and a small heat exchange area affecting drying efficiency.
A modular disc blade dryer is designed, using an energy-saving mechanism to recover and reuse the exhausted hot air, and the contact area and time between the material and the hot air is increased through the agitator.
Through the recycling and reuse of hot air, the utilization efficiency of heat energy is improved, energy waste is reduced, and the drying efficiency is improved by increasing the contact area between materials and hot air.
Smart Images

Figure CN222578770U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dryers, and more specifically, to a modular 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.
[0003] Existing dryers are equipped with exhaust devices to speed up the discharge of moisture, but the effect is poor and the efficiency is low. In addition, a plurality of trapezoidal or fan-shaped blades are installed on the main shaft, and the heat exchange area is small, thus affecting the drying efficiency.
[0004] After searching, the Chinese patent with publication number CN203349616U discloses a vacuum disc paddle stirring dryer. This structure puts the casing in a negative pressure state by adding a vacuum pumping device, accelerates the discharge of moisture, improves the drying efficiency of the material, shortens the drying time, and adopts a disc-type heat exchanger design. The heat exchange area is larger under the same volume, or the volume is smaller under the same heat exchange area, and the efficiency is increased by 15-20% compared with similar dryers in the prior art.
[0005] However, when this structure is actually used, the heat energy inside the dryer needs to be continuously heated, and the hot air is directly discharged after use, so that the heat is not fully utilized, resulting in energy waste, thus affecting the use effect. Utility Model Content
[0006] In order to overcome the above defects of the prior art, the utility model provides a modular disc paddle dryer to solve the problems raised in the above background technology.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A modular disc paddle dryer comprises a drying cylinder, a feeding pipe is arranged at the top of the drying cylinder, a discharging pipe is arranged at the bottom of the drying cylinder, a stirring mechanism is arranged inside the drying cylinder, and an energy-saving mechanism is arranged on one side of the drying cylinder;
[0009] The energy-saving mechanism includes an air pump arranged on one side of the drying cylinder, a delivery pipe is arranged on one side of the air pump, a recovery box is arranged at one end of the delivery pipe, a fixing plate is arranged inside the recovery box, a through hole is opened on the surface of the fixing plate, an electric heating pipe is arranged on one side of the fixing plate, a plurality of guide plates are arranged inside the recovery box, a connecting pipe is arranged on one side of the recovery box, and a solenoid valve is arranged on one side of the connecting pipe.
[0010] By adopting the above technical solution: in order to achieve energy saving and consumption reduction, the exhaust hot air is recycled and reused, thereby reducing energy consumption. At the same time, the hot air circulation is optimized and the utilization efficiency of thermal energy is improved.
[0011] As a further description of the above technical solution: the stirring mechanism includes a motor arranged on one side of the drying cylinder, the output end of the motor is coaxially connected to a rotating rod, two stirring plates are arranged on the surface of the rotating rod, and a plurality of weight-reducing holes are opened on the surfaces of the two stirring plates, an arc strip is arranged on one side of the stirring plate, a plurality of fixed strips are arranged on the surface of the rotating rod, and a fan-shaped blade is arranged on one side of the plurality of fixed strips.
[0012] By adopting the above technical solution: in order to achieve a stirring effect, the materials are constantly turned and mixed, increasing the contact area and contact time between the materials and the hot air, thereby improving the heat transfer efficiency and drying speed.
[0013] As a further description of the above technical solution: protruding columns are arranged on both sides of the drying cylinder, a fixing ring is sleeved on the surface of the protruding columns, a connecting block is arranged on one side of the fixing ring, and a bolt is arranged on one side of the connecting block.
[0014] By adopting the above technical solution: in order to facilitate the flexible configuration and rapid maintenance of the equipment, the use effect is improved.
[0015] As a further description of the above technical solution: an electric telescopic rod is arranged at the bottom of the fixing ring, a bottom plate is arranged at the bottom of the electric telescopic rod, two universal wheels are arranged at the bottom of the bottom plate, a heat insulating sleeve is arranged on the drying cylinder, and an anti-corrosion layer is arranged on the inner wall of the drying cylinder.
[0016] By adopting the above technical solution: in order to improve the overall use effect and facilitate discharging.
[0017] Technical effects and advantages of the utility model:
[0018] 1. By setting up an energy-saving mechanism, compared with the prior art, heat is provided by an external heating source to heat up the gas inside the drying cylinder, and then the heat is transferred to the material to achieve the purpose of drying. At the same time, the air pump is started to drive the hot air in the drying cylinder to be transported to the inside of the recovery box through the conveying pipe, and then the hot air is guided by the guide plate to move left and right in a Z shape inside the recovery box, so that it can fully contact the electric heating pipe, so as to further heat the hot air, and then enter the inside of the drying cylinder again through the connecting pipe, so that the heat can be fully utilized, reducing energy waste. At the same time, the heat can be used in a centralized manner, further improving energy utilization efficiency;
[0019] 2. By setting up a stirring mechanism, compared with the prior art, the material is poured into the interior of the drying cylinder through the feeding pipe, and then the motor is started to drive the rotating rod to rotate, the rotating rod drives the two stirring plates to rotate, the stirring plate drives the arc strip on one side to rotate, and the arc strip is moved along the inner wall of the drying cylinder, and the rotating rod also drives the fixed strip to move, the fixed strip drives the fan-shaped blades to rotate and move, the fan-shaped blades are set to be fan-shaped, in order to increase the contact area between the material and the hot air and improve the drying efficiency. At the same time, the blades are made of wear-resistant materials, which prolongs the service life and realizes uniform stirring and turning of the material. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0021] Figure 2 It is a schematic diagram of the overall top view structure of the utility model.
[0022] Figure 3 It is a schematic diagram of the structure of the energy-saving mechanism of the utility model.
[0023] Figure 4 It is a rear view structural schematic diagram of the utility model.
[0024] Figure 5 This is a schematic diagram of the stirring mechanism structure of the utility model.
[0025] Figure 6 It is a schematic diagram of the cross-sectional structure of the utility model.
[0026] The accompanying drawings are marked as follows: 1. drying cylinder; 2. feeding pipe; 3. discharging pipe; 4. air pump; 5. conveying pipe; 6. recovery box; 7. fixing plate; 8. electric heating tube; 9. guide plate; 10. connecting pipe; 11. solenoid valve; 12. motor; 13. stirring plate; 14. arc strip; 15. fixing strip; 16. fan-shaped blades; 17. protruding column; 18. fixing ring; 19. connecting block; 20. electric telescopic rod; 21. bottom plate; 22. universal wheel; 23. thermal insulation sleeve; 24. anti-corrosion layer. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] The embodiments of this application disclose Figure 1-6The modular disc paddle dryer shown comprises a drying cylinder 1, a feeding pipe 2 is arranged at the top of the drying cylinder 1, a discharging pipe 3 is arranged at the bottom of the drying cylinder 1, a stirring mechanism is arranged inside the drying cylinder 1, and an energy-saving mechanism is arranged on one side of the drying cylinder 1;
[0029] The energy-saving mechanism includes an air pump 4 arranged on one side of the drying cylinder 1, a delivery pipe 5 is arranged on one side of the air pump 4, a recovery box 6 is arranged at one end of the delivery pipe 5, a fixing plate 7 is arranged inside the recovery box 6, a through hole is opened on the surface of the fixing plate 7, an electric heating pipe 8 is arranged on one side of the fixing plate 7, a plurality of guide plates 9 are arranged inside the recovery box 6, a connecting pipe 10 is arranged on one side of the recovery box 6, and a solenoid valve 11 is arranged on one side of the connecting pipe 10. Heat is provided by an external heating source to heat the gas inside the drying cylinder 1, and then the heat is transferred to the material to achieve the purpose of drying. At the same time, the air pump 4 is started to drive the hot air in the drying cylinder 1 to be transported to the inside of the recovery box 6 through the delivery pipe 5, and then the hot air is guided by the guide plate 9 to move left and right in a Z shape inside the recovery box 6, so as to fully contact the electric heating pipe 8, thereby further heating the hot air, and then enter the inside of the drying cylinder 1 again through the connecting pipe 10, so that the heat can be fully utilized, reducing the waste of energy. At the same time, the heat can be used in a concentrated manner, further improving the energy utilization efficiency.
[0030] Reference Figure 2-4 As shown, the stirring mechanism includes a motor 12 arranged on one side of the drying cylinder 1, and the output end of the motor 12 is coaxially connected to a rotating rod, and two stirring plates 13 are arranged on the surface of the rotating rod, and the surfaces of the two stirring plates 13 are provided with a plurality of weight-reducing holes, and an arc-shaped bar 14 is arranged on one side of the stirring plate 13, and a plurality of fixed bars 15 are arranged on the surface of the rotating rod, and a fan-shaped blade 16 is arranged on one side of the plurality of fixed bars 15. First, the material is poured into the interior of the drying cylinder 1 through the feeding pipe 2, and then the motor 12 is started to drive the rotating rod to rotate, and the rotating rod drives the two stirring plates 13 to rotate, and the stirring plate 13 drives the arc-shaped bar 14 on one side to rotate, and makes the arc-shaped bar 14 stick to the inner wall of the drying cylinder 1 and move, and the rotating rod also drives the fixed bar 15 to move, and the fixed bar 15 drives the fan-shaped blade 16 to rotate and move, and the fan-shaped blade 16 is set to be fan-shaped, in order to increase the contact area between the material and the hot air and improve the drying efficiency. At the same time, the blade is made of wear-resistant material, which prolongs the service life and realizes uniform stirring and turning of the material.
[0031] Reference Figure 3-5 As shown, both sides of the drying cylinder 1 are provided with protruding columns 17, the surface of the protruding columns 17 is sleeved with a fixing ring 18, a connecting block 19 is provided on one side of the fixing ring 18, and a bolt is provided on one side of the connecting block 19. The drying cylinder 1 can be disassembled and repaired by first rotating the bolts to separate the connecting block 19, and then removing the protruding columns 17 from the fixing ring 18.
[0032] Reference Figure 5-6 As shown, an electric telescopic rod 20 is provided at the bottom of the fixed ring 18, a bottom plate 21 is provided at the bottom of the electric telescopic rod 20, two universal wheels 22 are provided at the bottom of the bottom plate 21, a heat insulating sleeve 23 is provided on the drying cylinder 1, and an anti-corrosion layer 24 is provided on the inner wall of the drying cylinder 1. When the drying process is completed, the electric telescopic rod 20 close to the side of the feed pipe 2 is started, thereby driving one side of the drying cylinder 1 to rise, so that the drying cylinder 1 is tilted, and the internal material can be discharged more conveniently from the discharge pipe 3.
[0033] Working principle of the utility model: when the utility model is used, the material is first poured into the interior of the drying cylinder 1 through the feed pipe 2, and then the motor 12 is started to drive the rotating rod to rotate, the rotating rod drives the two stirring plates 13 to rotate, the stirring plates 13 drive the arc strip 14 on one side to rotate, and the arc strip 14 is moved against the inner wall of the drying cylinder 1, and the rotating rod also drives the fixed strip 15 to move, the fixed strip 15 drives the fan-shaped blades 16 to rotate and move, the fan-shaped blades 16 are set to be fan-shaped, in order to increase the contact area between the material and the hot air, improve the drying efficiency, at the same time, the blades are made of wear-resistant materials, which prolongs the service life and realizes the uniform stirring and turning of the material;
[0034] At the same time, heat is provided by an external heating source to heat up the gas inside the drying cylinder 1, and then the heat is transferred to the material to achieve the purpose of drying. At the same time, the air pump 4 is started to drive the hot air in the drying cylinder 1 to be transported to the inside of the recovery box 6 through the conveying pipe 5, and then the hot air is guided by the guide plate 9 to move left and right in a Z shape inside the recovery box 6, so that it can fully contact the electric heating pipe 8, so as to further heat the hot air, and then enter the inside of the drying cylinder 1 again through the connecting pipe 10, so that the heat can be fully utilized, reducing the waste of energy. At the same time, the heat can be used in a concentrated manner, further improving the energy utilization efficiency. When the drying process is completed, the electric telescopic rod 20 close to the side of the feeding pipe 2 is started, so as to drive one side of the drying cylinder 1 to rise, so that the drying cylinder 1 is tilted, and the internal material is more convenient to be discharged from the discharge pipe 3;
[0035] The drying cylinder 1 can be disassembled for maintenance by first rotating the bolts to separate the connecting block 19 and then removing the protruding column 17 from the fixing ring 18 .
[0036] 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 modular disc paddle dryer, comprising a drying cylinder (1), characterized in that: The top of the drying cylinder (1) is provided with a material inlet pipe (2), the bottom of the drying cylinder (1) is provided with a material outlet pipe (3), a stirring mechanism is provided inside the drying cylinder (1), and an energy-saving mechanism is provided on one side of the drying cylinder (1); The energy-saving mechanism comprises an air pump (4) arranged on one side of the drying cylinder (1); a delivery pipe (5) is arranged on one side of the air pump (4); a recovery box (6) is arranged at one end of the delivery pipe (5); a fixing plate (7) is arranged inside the recovery box (6); a through hole is opened on the surface of the fixing plate (7); an electric heating pipe (8) is arranged on one side of the fixing plate (7); a plurality of guide plates (9) are arranged inside the recovery box (6); a connecting pipe (10) is arranged on one side of the recovery box (6); and a solenoid valve (11) is arranged on one side of the connecting pipe (10).
2. The modular disc paddle dryer according to claim 1, characterized in that: The stirring mechanism comprises a motor (12) arranged on one side of the drying cylinder (1); the output end of the motor (12) is coaxially connected to a rotating rod; two stirring plates (13) are arranged on the surface of the rotating rod; a plurality of weight-reducing holes are provided on the surfaces of the two stirring plates (13); and an arc strip (14) is arranged on one side of the stirring plate (13).
3. The modular disc paddle dryer according to claim 2, characterized in that: A plurality of fixing strips (15) are arranged on the surface of the rotating rod, and a fan-shaped blade (16) is arranged on one side of each of the plurality of fixing strips (15).
4. The modular disc paddle dryer according to claim 1, characterized in that: Protruding columns (17) are provided on both sides of the drying cylinder (1), and a fixing ring (18) is sleeved on the surface of the protruding columns (17).
5. The modular disc paddle dryer according to claim 4, characterized in that: A connection block (19) is provided on one side of the fixing ring (18), and a bolt is provided on one side of the connection block (19).
6. The modular disc paddle dryer according to claim 4, characterized in that: An electric telescopic rod (20) is arranged at the bottom of the fixing ring (18), a bottom plate (21) is arranged at the bottom of the electric telescopic rod (20), and two universal wheels (22) are arranged at the bottom of the bottom plate (21).
7. The modular disc paddle dryer according to claim 1, characterized in that: The drying cylinder (1) is provided with a heat insulating sleeve (23), and the inner wall of the drying cylinder (1) is provided with an anti-corrosion layer (24).
Citation Information
Patent Citations
Vacuum disc blade stirring drying machine
CN203349616U