Drying cylinder
By setting up a vertical outer cylinder and an inner cylinder in the drying drum, and setting a perforated plate structure on the side wall and top of the inner cylinder, combined with the design of the air supply pipe and the material distribution roller, the problems of small air flow surface and grain accumulation in the drying drum are solved, and efficient grain drying and lifting are achieved.
Patent Information
- Application Number
- CN202520218993.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-12
AI Technical Summary
The existing drying drum has a small airflow area, resulting in low drying efficiency, and the grain tends to accumulate on the conveyor belt, affecting the lifting efficiency of the elevator.
The design incorporates a vertical outer cylinder and an inner cylinder. The inner cylinder is connected to the air outlet of the blower. The side walls and top of the inner cylinder are perforated plates or mesh structures. The air supply pipe delivers air into the inner cylinder through a distribution plate. Vertical partitions and distribution rollers are installed in the distribution bin to evenly distribute the grain and prevent accumulation.
It achieves large-area ventilation, improves grain drying efficiency, prevents grain from accumulating on the conveyor belt, and enhances the efficiency of the elevator.
Smart Images

Figure CN223741129U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to grain drying technical field, concretely relates to a drying cylinder. BACKGROUND
[0002] In the material drying field, especially in the grain drying field, in order to improve the drying efficiency, the conventional method is to lift the grain to a high place by the elevator, then air is sent to the grain in the falling process, and the air circulation inside the grain is increased to realize the drying operation.
[0003] In the above drying mode, the general equipment is to use the drying cylinder, and the material is guided from top to bottom, and air is sent to the drying cylinder in the falling process, so as to realize the drying of the material. For this kind of processing mode, the technical problems encountered at present are: 1. The existing drying cylinder is isolated from the outside, the air circulation area is small, and the ventilation area is not provided with maximum efficiency; 2. In the realization of the circulating drying, the grain is easy to accumulate on the conveying belt, which affects the lifting efficiency of the elevator.
[0004] Summarizing and analyzing the above technical status, it is necessary for the person skilled in the art to improve the internal structure on the basis of the existing such drying cylinder, the purpose is to solve the above technical problems encountered in the prior art, and improve the drying efficiency of the grain and all granular materials. SUMMARY
[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a drying cylinder, which is provided with a vertical grain shunting device, and the internal high-temperature airflow is fully supplied at the same time of grain shunting, so as to improve the drying efficiency, and the grain is prevented from accumulating on the conveying belt by the equal distribution device when the material falls.
[0006] A drying cylinder, the specific scheme is as follows:
[0007] It comprises a vertically arranged outer cylinder body and an inner cylinder body, the outer cylinder body is a microporous plate, an inner cylinder body is vertically arranged at the center of the outer cylinder body, the inner cylinder body is connected with the air outlet of the fan, the side wall and the top of the inner cylinder body are all adopted the hole plate or the net structure; The top surface of the inner cylinder body is provided with a cone top; The inner cylinder body is provided with a air supply pipe; The lower part of the outer cylinder body is provided with a material collecting bin, and the bottom of the material collecting bin is provided with a material distributing bin; The outer cylinder body is vertically arranged in multiple sections, the inner cylinder body is vertically arranged in multiple sections, and an external supporting rod is arranged between the inner wall of the outer cylinder body and the outer wall of the inner cylinder body; The center column is arranged in the middle of the inner cylinder body, the top of the center column is connected with the cone top, and a plurality of internal supporting rods are arranged between the center column and the inner cylinder body.
[0008] The end of the air supply pipe is provided with an equal distribution plate, and a plurality of through holes are arranged on the equal distribution plate for axial ventilation.
[0009] The inside of the distribution bin is provided with a plurality of vertical partitions, which separate the inside of the distribution bin into a plurality of vertical partitions; the inside of the distribution bin is provided with a plurality of distribution rollers, and a plurality of poking plates are arranged on the distribution rollers; and the distribution rollers quantitatively and evenly divide the upper materials of the distribution bin and guide the materials downward.
[0010] The top surface of the cone top is provided with a flow guide cover, which prevents the impact of the grain on the cone top from causing damage.
[0011] The beneficial effects of the utility model are as follows: the utility model discloses a vertical outer cylinder and inner cylinder, the outer cylinder is a microporous plate, the inner cylinder is vertically arranged at the center of the outer cylinder, the inner cylinder is connected with the air outlet of the fan, the side wall and the top of the inner cylinder are all of the hole plate or the net structure, air can be sent to the inside of the outer cylinder through the inner cylinder, and the outer cylinder and the inner cylinder are both of the ventilation structure; the top of the inner cylinder is provided with a cone top, which can vertically distribute the grain; the inner cylinder is provided with an air supply pipe; the lower part of the outer cylinder is provided with a material collecting bin, and the bottom of the material collecting bin is provided with a distribution bin; the outer cylinder is vertically provided with multiple sections, the inner cylinder is vertically provided with multiple sections, which facilitates disassembly and transportation; the outer supporting rods are arranged between the inner wall of the outer cylinder and the outer wall of the inner cylinder, the central column is arranged in the middle of the inner cylinder, the top of the central column is connected with the cone top, and the internal supporting rods are arranged between the central column and the inner cylinder, which can effectively improve the fixing strength of the outer cylinder and the inner cylinder.
[0012] The utility model discloses the above setting, can realize large area ventilation, can effectively improve the drying efficiency of grain. ACCURATE DRAWINGS
[0013] The structure of the utility model device will be further described below in combination with the drawings.
[0014] Figure 1 It is the front view structure schematic diagram of the utility model;
[0015] Figure 2 It is the even distribution board structure schematic diagram;
[0016] Figure 3 It is the distribution bin structure schematic Figure I ;
[0017] Figure 4 It is the distribution bin structure schematic Figure II ;
[0018] Figure 5 It is Figure 1 The A area structure amplification schematic diagram in the middle;
[0019] Figure 6 It is the use state schematic diagram of the utility model;
[0020] 1. Outer cylinder, 2. Inner cylinder, 3. Conical top, 4. Flow guide, 5. External support rod, 6. Central column, 7. Internal support rod, 8. Air supply duct, 81. Horizontal pipe, 82. Vertical pipe, 83. Distribution plate, 84. Through hole, 9. Material distribution bin, 91. Vertical partition, 92. Vertical partition, 93. Material distribution roller.
[0021] 94. Feeding plate; 95. Inclined discharge port; 10. Collection bin. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings.
[0023] Example 1:
[0024] A drying drum, as shown in the attached image Figures 1-5 As shown, it includes a vertical outer cylinder 1 and an inner cylinder 2. A material collection bin 10 is provided at the lower part of the outer cylinder 1, and a material distribution bin 9 is provided at the bottom of the material collection bin 10.
[0025] The outer cylinder 1 disclosed in this utility model has an annular sidewall made of a perforated plate. An inner cylinder 2 is vertically arranged at the center of the outer cylinder 1. During installation, the inner cylinder 2 is connected to the air outlet of an external fan. Figure 1 As shown, the inner cylinder 2 extends outward and is provided with an air supply pipe 8, which is connected to an external fan.
[0026] The side walls and top of the inner cylinder 2 are constructed using perforated plates or mesh structures; in this embodiment, perforated plates are used. The top surface of the inner cylinder 2 is cone-shaped. Furthermore, for ease of assembly, disassembly, and transportation, the outer cylinder 1 is designed as a multi-segment vertical structure, with each adjacent segment connected by a flange. The inner cylinder 2 is also multi-segment vertically. An external support rod 5 is provided between the inner wall of the outer cylinder 1 and the outer wall of the inner cylinder 2. A central column 6 is located in the middle of the inner cylinder 2, with its top connected to the cone-shaped top 3. Several internal support rods 7 are provided between the central column 6 and the interior of the inner cylinder 2. Through the axial support of the central column 6, the external support rods 5 and the internal support rods 7 provide radial strength reinforcement support for the entire interior of the outer cylinder 1, enabling it to withstand the downward impact of a large amount of grain. A flow guide 4 is provided on the top surface of the cone-shaped top 3 to prevent damage from the impact of grain on the cone-shaped top 3.
[0027] In this embodiment, the air supply pipe 8 extends to the outside of the outer cylinder 1 and is provided with a flange for connection to an external fan.
[0028] This utility model aims to improve the air supply from the air supply pipe 8 to the inner cylinder 2, such as... Figure 1As shown, the air supply pipe 8 extends to the inner cylinder 2 and then extends upward or downward, the initial section of the air supply pipe 8 is a horizontal pipe 81, and the extending pipe is a vertical pipe 82, and the end of the horizontal pipe 81 is provided with a uniform distribution plate 83, and Figure 6 As shown, the uniform distribution plate 83 is provided with a plurality of through holes 84 for axial ventilation, and after the through holes 84 are provided, the airflow can be prevented from directly entering the inner cylinder 2 through the air supply pipe 8, and the airflow can be maximally guided in the axial and radial directions, so that the hot airflow can be as evenly as possible in the inner cylinder 2 and flow into the outer cylinder 1.
[0029] Further, as shown in Figure 3 , 4 The utility model discloses an inner part of the distributing bin 9 is provided with a plurality of vertical baffle plates 91, and the inner part of the distributing bin 9 is spaced into a plurality of vertical partitions 92 by the vertical baffle plates 91, and the inner part of the distributing bin 9 is provided with a plurality of distributing roller cylinders 93, and a plurality of material stirring plates 94 are arranged on each distributing roller cylinder 93, and the distributing roller cylinder 93 rotates to quantitatively and evenly divide the grain in the upper part of the distributing bin 9 and guide the grain downward, and the structure can avoid the impact on the conveying belt caused by the instantaneous and disordered falling of the material in the outer cylinder 1.
[0030] When the utility model is connected with the conveying belt, as shown in Figure 6 The conveying belt is arranged in the conveying table, and the end of the conveying table is obliquely and upwardly arranged, and the bottom of the distributing bin 9 is also obliquely arranged to form an oblique discharge port 95, and the design can avoid the material in the falling state from pouring into the bottom of the elevator in cooperation with the distributing bin 9.
[0031] The utility model can realize large-area ventilation and guide the hot air to the outer cylinder, and the drying efficiency of the grain can be effectively improved.
Claims
1. A drying cylinder characterized in that: it comprises vertically arranged outer cylinder and inner cylinder, the outer cylinder is a micro-porous plate, the inner cylinder is vertically arranged at the center of the outer cylinder, the inner cylinder is connected with the air outlet of the fan, the side wall and the top of the inner cylinder are both in the form of a hole plate or a mesh structure; the top surface of the inner cylinder is arranged in the form of a cone top; the inner cylinder is provided with a supply pipe which extends outward; the lower part of the outer cylinder is provided with a material collecting bin, the bottom of the material collecting bin is provided with a material distributing bin; the outer cylinder is vertically arranged in multiple sections, the inner cylinder is vertically arranged in multiple sections, external support rods are arranged between the inner wall of the outer cylinder and the outer wall of the inner cylinder, a center column is arranged in the middle of the inner cylinder, the top of the center column is connected with the cone top, and a plurality of internal support rods are arranged between the center column and the inner cylinder.
2. A drying cylinder according to claim 1, characterized in that: The supply pipe extends into the inner cylinder and then extends upward or downward, the initial section of the supply pipe is a horizontal pipe, the extended pipe is a vertical pipe, the end of the horizontal pipe is provided with a uniform distribution plate, and a plurality of through holes are arranged on the uniform distribution plate.
3. A drying cylinder according to claim 1, characterized in that: A plurality of vertical partitions are arranged inside the material distributing bin, the inside of the material distributing bin is partitioned into multiple vertical zones by the vertical partitions; a plurality of material distributing rollers are arranged inside the material distributing bin, a plurality of material shifting plates are arranged on the material distributing rollers, and the material in the upper part of the material distributing bin is quantitatively and uniformly distributed downward by the rotation of the material distributing rollers.
4. A drying cylinder according to claim 1, characterized in that: A flow guide cover is arranged on the top surface of the cone top, which prevents the impact of the grain on the cone top from causing damage.