Compound fertilizer processing drying cylinder
By using the structure of extrusion rollers and drainage fans in the drying cylinder, the problems of fertilizer agglomeration and water gas reflux are solved, and a more efficient drying process is achieved.
Patent Information
- Application Number
- CN202421187413.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing drying cylinders are prone to fertilizer agglomeration when drying compound fertilizers, and the reflux of water gas leads to the problem of prolonging drying time.
A composite fertilizer processing drying cylinder is designed, using structures such as extrusion rollers, roller frames and central frames. The agglomerated fertilizer is crushed through the extrusion rollers, and water gas is drawn out through the drainage fan to prevent the water gas from flowing back.
It effectively avoids fertilizer agglomeration, improves the crushing quality, and reduces water gas reflux through drainage fans and shortens drying time.
Smart Images

Figure CN222504750U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drying cylinders, in particular to a compound fertilizer processing drying cylinder. Background Art
[0002] According to the patent application publication number: CN106766764A, a compound fertilizer drying cylinder is proposed. The invention relates to the field of compound fertilizer processing technology, and in particular to a compound fertilizer drying cylinder, including a vertically arranged rotating cylinder, the rotating cylinder includes an outer shell and an inner liner, the upper center of the inner liner is fixedly connected with a rotating shaft, a cavity is provided between the outer shell and the inner liner, the upper and lower ends of the cavity are respectively provided with an inlet pipe and an outlet pipe, and the outlet pipe is provided with a first valve; a spiral tube surrounding the inner liner is also vertically provided in the cavity, the inner liner and the spiral tube are abutted and rotatably connected, both ends of the spiral tube are located on the side wall of the outer shell, the lower end of the spiral tube is located above the outlet pipe and is provided with a one-way valve; a vertically arranged transition chamber is also fixedly connected to the outer side wall of the outer shell, a floating ball is provided in the transition chamber, both ends of the spiral tube and the outlet pipe are connected with the transition chamber, and a through hole is also provided at the lower end of the transition chamber, and a second valve is provided in the through hole. The invention can solve the problem that fertilizer is easy to stutter on the dryer, affecting the production efficiency of compound fertilizer.
[0003] However, when the drying drum in the prior art is used to dry the fertilizer, the fertilizer has a high moisture content and is prone to caking, which affects the drying quality of the fertilizer. In addition, a large amount of water vapor is generated during the drying process, and the reflux of water vapor is easily absorbed by the fertilizer again, resulting in a prolonged drying time. Therefore, it is necessary to improve the prior art. Utility Model Content
[0004] The utility model aims to provide a compound fertilizer processing drying cylinder, which solves the problem that the dried fertilizer is easy to agglomerate and the drying time is prolonged due to the reflux of water vapor.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a compound fertilizer processing drying cylinder, comprising a heat preservation box, a drying cylinder is installed inside the heat preservation box through a bearing, an electric heating tube is arranged inside the heat preservation box, an anti-caking mechanism is arranged inside the drying cylinder, the upper left end of the heat preservation box is fixedly connected to a support frame, a connecting shaft is installed inside the support frame through a bearing, the end of the connecting shaft away from the support frame is fixedly connected to a mounting frame, a drainage fan is fixedly connected to the inside of the mounting frame, a gear ring is fixedly connected to the right outer side of the drying cylinder, a heat insulation box is fixedly connected to the inner bottom of the heat preservation box, a motor is fixedly installed inside the heat insulation box, a baffle is hinged on the outer side of the heat preservation box, an electric telescopic rod is hinged on the lower left end of the heat preservation box, and the left end of the baffle is fixedly connected to a hinged frame.
[0006] Preferably, one end of the connecting shaft located on the inner side of the supporting frame is fixedly connected with a rubber ring, and the rubber ring is in contact with the supporting frame. The rubber ring can increase the rotation resistance of the connecting shaft.
[0007] Preferably, a gear is fixedly connected to the outside of the output shaft of the motor, the gear is meshed with the gear ring, the baffle is in contact with the drying cylinder, the articulated frame is fixedly connected to the output end of the electric telescopic rod, and the baffle can block the fertilizer inside the drying cylinder.
[0008] Preferably, the anti-caking mechanism includes a center frame, the outer side of the heat preservation box is fixedly connected to the center frame, the inner side of the center frame is slidably connected to a guide rod, the lower end of the guide rod is fixedly connected to a roller frame, the inner side of the roller frame is provided with an extrusion roller via a bearing, the outer side of the guide rod is provided with a spring, the distance between the extrusion roller and the inner wall of the drying cylinder is consistent with the particle diameter of the fertilizer, so that the agglomerated fertilizer can be crushed and the diameter of the fertilizer can be guaranteed at the same time.
[0009] Preferably, the center frame passes through the drying cylinder and does not contact the drying cylinder, and the center frame is fixedly connected to the support frame, and the support frame can increase the stability of the center frame.
[0010] Preferably, one end of the spring is fixedly connected to the center frame, and the other end of the spring is fixedly connected to the roller frame, and the spring can support the roller frame through elastic force.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] 1. The utility model adds structures such as squeezing rollers, roller frames and center frames to the drying cylinder. During the process of drying the fertilizer, the agglomerated fertilizer can be squeezed and crushed through the gap between the squeezing rollers and the drying cylinder, and the degree of crushing is consistent with the distance between the squeezing rollers and the inner wall of the drying cylinder, thereby effectively improving the crushing quality.
[0013] 2. The utility model adds structures such as a support frame, a mounting frame and a drainage fan to the heat preservation box. During the drying process, the hot air flow inside the drying cylinder can be drained by the drainage fan. The hot air flow can also draw out water vapor during the flow, thereby avoiding the reflux of water vapor and prolonging the drying time. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0015] Figure 2 For the utility model Figure 1 A three-dimensional cross-sectional view of
[0016] Figure 3For the utility model Figure 1 An enlarged left sectional view of the support frame;
[0017] Figure 4 For the utility model Figure 2 A-section structure enlarged view.
[0018] In the figure: 1. Insulation box; 2. Drying cylinder; 3. Electric heating tube; 4. Anti-caking mechanism; 5. Support frame; 6. Connecting shaft; 7. Mounting frame; 8. Drainage fan; 9. Rubber ring; 10. Gear ring; 11. Insulation box; 12. Motor; 13. Gear; 14. Baffle; 15. Articulated frame; 16. Electric telescopic rod; 41. Center frame; 42. Guide rod; 43. Roller frame; 44. Squeeze roller; 45. Spring. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1 , Figure 2 , Figure 3 A compound fertilizer processing drying cylinder comprises a heat preservation box 1, a drying cylinder 2 is installed inside the heat preservation box 1 through a bearing, an electric heating pipe 3 is arranged inside the heat preservation box 1, an anti-caking mechanism 4 is arranged inside the drying cylinder 2, a support frame 5 is fixedly connected to the upper left end of the heat preservation box 1, a connecting shaft 6 is installed inside the support frame 5 through a bearing, a mounting frame 7 is fixedly connected to the end of the connecting shaft 6 away from the support frame 5, a drainage fan 8 is fixedly connected to the inside of the mounting frame 7, a gear ring 10 is fixedly connected to the right outer side of the drying cylinder 2, a heat insulation box 11 is fixedly connected to the inner bottom of the heat preservation box 1, a motor 12 is fixedly installed inside the heat insulation box 11, a baffle 14 is hinged on the outer side of the heat preservation box 1, an electric telescopic rod 16 is hinged on the lower left end of the heat preservation box 1, and a hinged frame 15 is fixedly connected to the left end of the baffle 14.
[0021] See also Figure 1 , Figure 2 , Figure 3 The connecting shaft 6 is located at one end of the inner side of the support frame 5 and is fixedly connected with a rubber ring 9. The rubber ring 9 is in contact with the support frame 5. The rubber ring 9 can increase the rotation resistance of the connecting shaft 6. The outer side of the output shaft of the motor 12 is fixedly connected with a gear 13. The gear 13 is meshed with the gear ring 10. The baffle 14 is in contact with the drying cylinder 2. The articulated frame 15 is fixedly connected to the output end of the electric telescopic rod 16. The baffle 14 can block the fertilizer inside the drying cylinder 2.
[0022] See also Figure 1 , Figure 2 , Figure 4 The anti-caking mechanism 4 includes a center frame 41, the center frame 41 is fixedly connected to the outside of the insulation box 1, the guide rod 42 is slidably connected inside the center frame 41, the lower end of the guide rod 42 is fixedly connected to a roller frame 43, the inside of the roller frame 43 is equipped with an extrusion roller 44 through a bearing, and a spring 45 is arranged on the outside of the guide rod 42. The distance between the extrusion roller 44 and the inner wall of the drying cylinder 2 is consistent with the particle diameter of the fertilizer, so that the agglomerated fertilizer can be crushed and the diameter of the fertilizer can be guaranteed at the same time. The center frame 41 passes through the drying cylinder 2 and does not contact the drying cylinder 2. The center frame 41 is fixedly connected to the support frame 5, and the support frame 5 can increase the stability of the center frame 41. One end of the spring 45 is fixedly connected to the center frame 41, and the other end of the spring 45 is fixedly connected to the roller frame 43. The spring 45 can support the roller frame 43 through elastic force.
[0023] The specific implementation process of the utility model is as follows: when in use, the fertilizer is placed inside the drying cylinder 2, and then the electric heating tube 3 is started to heat the drying cylinder 2. During the heating process, the motor 12 is started, and the motor 12 drives the gear 13 to rotate. The gear 13 drives the drying cylinder 2 to rotate through the gear ring 10. During the rotation of the drying cylinder 2, the drainage fan 8 is started, and the drainage fan 8 absorbs the water vapor inside the drying cylinder 2 to avoid the reflux of water vapor. During the rotation of the drying cylinder 2, the fertilizer is driven to move to the bottom of the squeezing roller 44, and then the agglomerated fertilizer is crushed by the rotation between the squeezing roller 44 and the drying cylinder 2, which can effectively avoid the agglomeration of the fertilizer.
[0024] 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 compound fertilizer processing drying cylinder, comprising a heat preservation box (1), characterized in that: A drying cylinder (2) is installed inside the heat preservation box (1) via a bearing, an electric heating pipe (3) is arranged inside the heat preservation box (1), an anti-caking mechanism (4) is arranged inside the drying cylinder (2), a support frame (5) is fixedly connected to the upper left end of the heat preservation box (1), a connecting shaft (6) is installed inside the support frame (5) via a bearing, an end of the connecting shaft (6) away from the support frame (5) is fixedly connected to a mounting frame (7), and the mounting frame (7) A draught fan (8) is fixedly connected to the interior of the heat preservation box (1), a gear ring (10) is fixedly connected to the right outer side of the drying cylinder (2), a heat insulation box (11) is fixedly connected to the inner bottom of the heat preservation box (1), a motor (12) is fixedly installed inside the heat insulation box (11), a baffle (14) is hingedly connected to the outer side of the heat preservation box (1), an electric telescopic rod (16) is hingedly connected to the lower left end of the heat preservation box (1), and a hinged frame (15) is fixedly connected to the left end of the baffle (14).
2. A compound fertilizer processing drying cylinder according to claim 1, characterized in that: The connecting shaft (6) is located at one end inside the support frame (5) and is fixedly connected to a rubber ring (9), and the rubber ring (9) is in contact with the support frame (5).
3. The compound fertilizer processing drying cylinder according to claim 1, characterized in that: A gear (13) is fixedly connected to the outer side of the output shaft of the motor (12), the gear (13) is meshed with the gear ring (10), the baffle (14) is in contact with the drying cylinder (2), and the articulated frame (15) is fixedly connected to the output end of the electric telescopic rod (16).
4. The compound fertilizer processing drying cylinder according to claim 1, characterized in that: The anti-caking mechanism (4) comprises a center frame (41), the center frame (41) is fixedly connected to the outside of the heat preservation box (1), a guide rod (42) is slidably connected to the inside of the center frame (41), a roller frame (43) is fixedly connected to the lower end of the guide rod (42), a squeezing roller (44) is installed inside the roller frame (43) via a bearing, and a spring (45) is arranged on the outside of the guide rod (42).
5. A compound fertilizer processing drying cylinder according to claim 4, characterized in that: The central frame (41) passes through the drying cylinder (2) and does not contact the drying cylinder (2), and the central frame (41) is fixedly connected to the supporting frame (5).
6. A compound fertilizer processing drying cylinder according to claim 4, characterized in that: One end of the spring (45) is fixedly connected to the center frame (41), and the other end of the spring (45) is fixedly connected to the roller frame (43).
Citation Information
Patent Citations
Drying cylinder for compound fertilizers
CN106766764A