Multi-layer roller drying structure
By setting up multiple drying drums and a flip-plate structure inside the rotary drum dryer, the problem of uneven drying caused by material accumulation is solved, achieving uniform material distribution and improving the drying effect.
Patent Information
- Application Number
- CN202520020843.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Commercially available rotary drum dryers are typically single-layer structures, which leads to uneven drying and poor drying results due to material accumulation.
The first and second drying cylinders are set inside the rotary drum dryer to form an extended channel, and flaps and reinforcing rods are installed at equal intervals along the circumference of the cylinder wall to achieve uniform distribution and mixing of materials.
This achieves uniform distribution of materials within the drum, improves drying efficiency, and avoids unevenness caused by accumulation.
Smart Images
Figure CN223663654U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a drum dryer technical field, concretely is a multilayer drum drying structure. BACKGROUND
[0002] The drum dryer is widely used in each industry, and it can dry slag, clay, coal, iron powder, mineral powder and other mixed materials. For example, dry-mixed mortar of the building industry, yellow sand and other raw materials of the chemical industry, casting and other industries.
[0003] The drum dryer on the market is usually single-layer drying structure, if too much material is put into the drum dryer, part of the material is easy to accumulate in the inside of the drum dryer, which leads to uneven drying and poor drying effect.
[0004] Therefore, the multilayer drum drying structure is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a purpose at solving above-mentioned technical problem.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multilayer drum drying structure, including the drum body and the discharge port set up on the drum body, the inside of the drum body is provided with first drying cylinder and second drying cylinder coaxially, the first drying cylinder and second drying cylinder, the inner side wall between second drying cylinder and drum body forms extension channel respectively, the discharge end of first drying cylinder and the inner end wall of second drying cylinder, the discharge end of second drying cylinder and the inner end wall of drum body respectively remain the discharge port.
[0007] Further, the first drying cylinder is arranged in the shape of a circular truncated cone, the aperture of the first drying cylinder inlet is relatively small, and the aperture of the first drying cylinder discharge port is relatively large.
[0008] Further, the second drying cylinder is arranged in the shape of a circular truncated cone, the aperture of the second drying cylinder inlet is relatively small, and the aperture of the second drying cylinder discharge port is relatively large.
[0009] Further, the inner side walls of the drum body, the first drying cylinder and the second drying cylinder are respectively installed with a plurality of columns of turning plates for stirring the material along the circumferential direction at equal intervals.
[0010] Further, the both ends of the drum body are respectively fixed with a first mounting sleeve and a second mounting sleeve, and the outer surfaces of the first mounting sleeve and the second mounting sleeve are respectively fixed with a running belt, and the two running belts are respectively placed on the tow wheels.
[0011] Further, the feeding port of the first drying cylinder extends to the outside of the drum body through the first mounting sleeve; the second drying cylinder is fixed with a sealing plate, and one end of the sealing plate is fixedly connected with the inner end wall of the second mounting sleeve through a fixing shaft.
[0012] Further, a plurality of reinforcing rods are fixed between the first drying cylinder and the second drying cylinder and between the second drying cylinder and the drum body in the circumferential direction.
[0013] The present application has the following beneficial effects:
[0014] The first drying cylinder and the second drying cylinder are arranged in the drum body; an extension channel is formed between the first drying cylinder and the second drying cylinder and between the second drying cylinder and the drum body; part of the materials can flow into the extension channel, so that the materials can be evenly distributed in the drying channel or the drum body, thereby achieving uniform drying of the materials and avoiding uneven drying caused by accumulation; and the drying effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;
[0016] Figure 2 is a schematic diagram of the front view structure of the present application;
[0017] Figure 3 is a schematic diagram of the cross-sectional structure of the present application.
[0018] Corresponding names of various marks in the figure:
[0019] 1, drum body; 2, discharge port; 3, first drying cylinder; 4, second drying cylinder; 5, flap; 6, first mounting sleeve; 7, second mounting sleeve; 8, running belt; 9, tow rope; 10, sealing plate; 11, fixing shaft; 12, reinforcing rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.
[0021] The application discloses a multi-layer drying structure of a roller, which comprises a roller body 1, a first mounting sleeve 6 integrally formed on the left side of the roller body 1, a drying device (not shown in the figure) capable of being placed on one side of the first mounting sleeve 6 to convey hot air to the inside of the roller body 1 for drying the materials in the roller body 1, a second mounting sleeve 7 integrally formed on the right side of the roller body 1 in a sealed state to prevent the leakage of the roller body 1 during use, and a discharge port 2 formed on the outer surface of the roller body 1 to discharge the dried materials.
[0022] Two running belts 8 are fixed on the first mounting sleeve 6 and the second mounting sleeve 7 respectively, and the two running belts 8 are placed on a drag wheel 9 to support the roller body 1.
[0023] The inside of the roller body 1 is coaxially provided with a first drying cylinder 3 and a second drying cylinder 4, and the first drying cylinder 3 is located in the inside of the second drying cylinder 4. The first drying cylinder 3 and the second drying cylinder 4 are both provided in the shape of a circular truncated cone, the inlet of the first drying cylinder 3 and the inlet of the second drying cylinder 4 are relatively small in diameter, the outlet of the first drying cylinder 3 and the outlet of the second drying cylinder 4 are relatively large in diameter, the inlet of the first drying cylinder 3 extends to the outside of the roller body 1 through the first mounting sleeve 6, the end of the second drying cylinder 4 close to the first mounting sleeve 6 is provided with a gap as the outlet of the second mounting sleeve 7, the end of the first drying cylinder 3 close to the second mounting sleeve 7 is provided with a gap as the inlet of the first drying cylinder 3, the end of the second drying cylinder 4 close to the second mounting sleeve 7 is provided with a sealing plate 10, the axial center of the sealing plate 10 is fixed with a fixed shaft 11 extending into the second mounting sleeve 7, and the end of the first drying cylinder 3 close to the second mounting sleeve 7 is provided with a gap as the outlet of the first drying cylinder 3. The first drying cylinder 3 and the second drying cylinder 4 are both provided in the shape of a circular truncated cone, the inlet of the first drying cylinder 3 and the inlet of the second drying cylinder 4 are relatively small in diameter, the outlet of the first drying cylinder 3 and the outlet of the second drying cylinder 4 are relatively large in diameter, the inlet of the first drying cylinder 3 extends to the outside of the roller body 1 through the first mounting sleeve 6, the end of the second drying cylinder 4 close to the first mounting sleeve 6 is provided with a gap as the outlet of the second mounting sleeve 7, the end of the first drying cylinder 3 close to the second mounting sleeve 7 is provided with a gap as the inlet of the first drying cylinder 3, the end of the second drying cylinder 4 close to the second mounting sleeve 7 is provided with a sealing plate 10, the axial center of the sealing plate 10 is fixed with a fixed shaft 11 extending into the second mounting sleeve 7, and the end of the first drying cylinder 3 close to the second mounting sleeve 7 is provided with a gap as the outlet of the first drying cylinder 3.
[0024] The inner side walls of the drum body 1, the first drying cylinder 3 and the second drying cylinder 4 are respectively provided with a plurality of rows of turning plates 5 for stirring the materials along the circumferential direction at equal intervals. Through the turning plates 5, the materials can be turned over during the rotation of the drum body 1, so that the materials can be evenly dried.
[0025] A plurality of reinforcing rods 12 are fixed between the first drying cylinder 3 and the second drying cylinder 4 and between the second drying cylinder 4 and the drum body 1 along the circumferential direction at equal intervals. Through the reinforcing rods 12, the first drying cylinder 3 and the second drying cylinder 4 can be supported, so that the first drying cylinder 3 and the second drying cylinder 4 will not be deformed during long-time use.
[0026] When the materials are dried, the materials are first put into the first drying cylinder 3, then the drum body 1 is driven to rotate by the driving device (the driving device is prior art and will not be described in detail herein), and the plurality of turning plates 5 can be driven to rotate during the rotation of the drum body 1. The materials can be stirred by the turning plates 5, so that the materials can be mixed more evenly. With the continuous rotation of the drum body 1, the materials can flow, so that the materials can be evenly distributed on the inner side walls of the first drying cylinder 3, the second drying cylinder 4 and the drum body 1, and the phenomenon of accumulation of the materials in the drum body 1 due to too much materials can be avoided, so that the materials can be evenly heated.
Claims
1. A multi-layer drum drying structure, comprising a drum body (1) and a discharge port (2) opened on the drum body (1), characterized in that: The drum body (1) is coaxially provided with a first drying cylinder (3) and a second drying cylinder (4); an extension channel is formed between the first drying cylinder (3) and the second drying cylinder (4), and between the second drying cylinder (4) and the inner wall of the drum body (1); a discharge port is provided at the discharge end of the first drying cylinder (3) and the inner wall of the second drying cylinder (4), and at the discharge end of the second drying cylinder (4) and the inner wall of the drum body (1).
2. The multi-layer drum drying structure according to claim 1, characterized in that: The first drying cylinder (3) is arranged in the shape of a "frustum"; the diameter of the feed inlet of the first drying cylinder (3) is relatively small, and the diameter of the discharge outlet of the first drying cylinder (3) is relatively large.
3. The multi-layer drum drying structure according to claim 1, characterized in that: The second drying cylinder (4) is arranged in the shape of a "frustum"; the diameter of the feed inlet of the second drying cylinder (4) is relatively small, and the diameter of the discharge outlet of the second drying cylinder (4) is relatively large.
4. The multi-layer drum drying structure according to claim 1, characterized in that: The inner walls of the drum body (1), the first drying drum (3), and the second drying drum (4) are each equipped with several rows of flaps (5) for stirring the material at equal intervals along the circumferential direction.
5. The multi-layer drum drying structure according to claim 1, characterized in that: The first mounting sleeve (6) and the second mounting sleeve (7) are fixed at both ends of the roller body (1), and running belts (8) are fixed on the outer surfaces of the first mounting sleeve (6) and the second mounting sleeve (7), respectively. The two running belts (8) are placed on the trolley (9).
6. The multi-layer drum drying structure according to claim 1, characterized in that: The feed inlet of the first drying cylinder (3) extends through the first mounting sleeve (6) to the outside of the drum body (1); the second drying cylinder (4) is fixed with a sealing plate (10), and one end of the sealing plate (10) is fixedly connected to the inner end wall of the second mounting sleeve (7) through a fixed shaft (11).
7. The multi-layer drum drying structure according to claim 1, characterized in that: Several reinforcing rods (12) are fixed at equal intervals along the circumferential direction between the first drying cylinder (3) and the second drying cylinder (4), and between the second drying cylinder (4) and the drum body (1).