Heating disc of disc dryer
Through the combined structure of arc-shaped drying disk and annular tube, the problems of small heating surfaces and uneven drying in the prior art are solved, and a more efficient and uniform drying effect is achieved.
Patent Information
- Application Number
- CN202421472599.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The heating disks of the existing disc dryers are planar structures, resulting in a small heating area, low drying efficiency, and uneven heating, resulting in poor drying uniformity.
Using a combined structure of arc-shaped drying disk and annular tube, hot air is introduced into the heating assembly, so that the bottom of the drying disk is uniformly heated, and the heat conduction efficiency is improved. The slope heating plate is formed through the alternating connection of multiple flat plates and arc-shaped plates to increase heating. Area and thermally conductive connection surface.
Improve drying efficiency and uniformity, ensure uniform heat distribution, avoid temperature differences, and enhance the drying effect of the material.
Smart Images

Figure CN222211037U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of disc dryers, and more specifically, to a heating disc of a disc dryer. Background Art
[0002] A dryer is a mechanical device that uses heat energy to reduce the moisture content of materials and is used to dry objects. The dryer vaporizes the moisture in the material by heating to obtain solid materials with a specified moisture content. The purpose of drying is to meet the needs of material use or further processing. Among them, disc dryers are widely used in chemical, pharmaceutical, pesticide, food, feed and other industries.
[0003] The utility model patent with patent publication number CN218270064U discloses a disc dryer, which belongs to the technical field of dryers, including a tank body, a plurality of drying discs are arranged in the inner cavity of the tank body, a main shaft is arranged in the tank body, a plurality of rake arms are sequentially connected to the main shaft along its axial direction, and the plurality of rake arms are arranged one by one above the plurality of drying discs, a flipping plate is arranged on the rake arm, a flipping gap is formed between the lower end of the flipping plate and the corresponding drying disc, a first channel is opened in the axial direction of the main shaft, a second channel is opened in the axial direction of the rake arm, a hollow chamber is opened in the flipping plate, and an air outlet gap is opened at the lower end of the flipping plate, and pressurized gas is passed through the first channel of the main shaft. The utility model provides a disc dryer, in which the flipping plate does not need to contact the upper surface of the drying disc, and the flipping operation can be completed by the pressurized gas blown out from the lower end of the flipping plate, and the upper surface of the drying disc will not be worn, thereby ensuring the purity of the material.
[0004] However, in actual use, since the drying plate, i.e., the heating plate, in the structure is a planar structure, the heating surface of the heating plate and the flat surface of the material are small, thereby reducing the drying efficiency, and the heat pipe in the heating plate is annularly arranged around the edge of the heating plate, which causes the heat temperature in the middle of the heating plate to be lower than the temperature at the edge of the heating plate, resulting in poor drying uniformity. Therefore, a heating plate of a disc dryer is proposed. Utility Model Content
[0005] In order to overcome the above defects of the prior art, the utility model provides a heating plate of a plate dryer to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a heating plate of a plate dryer, comprising a bottom cover, the top of the bottom cover supports a drying plate, the top edge of the drying plate is provided with a frame, the middle of the drying plate is provided with a discharge port, and a heating component is provided between the drying plate and the bottom cover.
[0007] By introducing hot air into the heating assembly, the bottom of the drying plate can be heated evenly. With the cooperation of the arc groove and each annular tube, the contact surface between the annular tube and the drying plate is increased, thereby improving the heat conduction efficiency and thus improving the drying effect. The drying plate is connected with multiple flat plates and arc plates, and the entire drying plate formed by the connection becomes deeper and deeper from the outside to the inside, so that there is a certain slope from the edge of the drying plate to the discharge port, which is convenient for unloading. At the same time, compared with the traditional plane structure, the area of the entire heating surface is increased, thereby improving the drying effect.
[0008] Preferably, the bottom of the bottom cover is in a conical structure, and a connecting column is provided at the bottom end inside the bottom cover, and the top end of the connecting column is connected to the middle part of the bottom end of the bottom cover.
[0009] Preferably, the drying plate is composed of a plurality of flat plates and curved plates, the bottom of the frame is connected to a flat plate, the inner side of the flat plate is connected to the top of a curved plate, and the inner bottom end of the curved plate is connected to another flat plate, forming an alternating connection between a plurality of flat plates and curved plates, and the height of the outer circumference of the drying plate is higher than the height at the discharge port.
[0010] Preferably, a plurality of arc-shaped grooves are formed at the bottom of the drying plate, the arc center of each arc-shaped groove is arranged concentrically with the arc center of the arc-shaped plate, and the arc-shaped grooves at the top of the heating component are in contact with each other.
[0011] Preferably, the heating assembly comprises a plurality of annular tubes, each of which is fitted in a corresponding arc-shaped groove;
[0012] Two air guide tubes, each of which is connected to each annular tube, so that each annular tube is interconnected;
[0013] An air intake pipe is connected to an annular pipe, and the other side of the annular pipe is connected to an exhaust pipe.
[0014] Technical effects and advantages of the utility model:
[0015] 1. The drying plate is composed of a plurality of flat plates and a plurality of arc-shaped plates, and a plurality of arc-shaped grooves are formed at the bottom of the drying plate. Compared with the prior art, the drying plate is deeper and deeper from the outside to the inside, so that there is a certain slope from the edge of the drying plate to the discharge port, which is convenient for feeding. At the same time, compared with the traditional plane structure, the area of the entire heating surface is increased, thereby improving the drying effect, and the annular tube is fitted with the arc-shaped groove, which increases the heat conduction connection surface, thereby improving the heat conduction effect, thereby further improving the drying efficiency;
[0016] 2. Compared with the prior art, by setting up the annular tube, the air guide tube, the air inlet tube and the exhaust tube, the heat can be simultaneously transferred to each position of the drying tray by connecting a plurality of annular tubes with the air guide tube and fitting them on the bottom of the drying tray, thereby avoiding the temperature difference in the drying tray and improving the uniformity of drying. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0018] Figure 2 It is a schematic diagram of the connection structure between the drying plate and the heating component of the utility model.
[0019] Figure 3 This is a schematic diagram of the bottom structure of the drying plate of the utility model.
[0020] Figure 4 It is a structural schematic diagram of the heating component of the utility model.
[0021] Figure 5 It is a schematic diagram of the internal structure of the bottom cover of the utility model.
[0022] The figures are marked as follows: 1. bottom cover; 2. drying plate; 3. heating assembly; 301. annular tube; 302. air guide tube; 303. air inlet pipe; 304. exhaust pipe; 4. discharge port; 5. frame; 6. connecting column. DETAILED DESCRIPTION
[0023] 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.
[0024] As attached Figure 1-5The heating plate of a disc dryer shown in the figure comprises a bottom cover 1, a drying plate 2 is supported on the top of the bottom cover 1, a frame 5 is provided on the top edge of the drying plate 2, a discharge port 4 is provided in the middle of the drying plate 2, a heating assembly 3 is provided between the drying plate 2 and the bottom cover 1, the bottom of the bottom cover 1 is a conical structure, and a connecting column 6 is provided at the bottom end inside the bottom cover 1, the top end of the connecting column 6 is connected to the middle part of the bottom end of the bottom cover 1, the drying plate 2 is composed of a plurality of flat plates and arc plates, the bottom of the frame 5 is connected to a flat plate, the inner side of the flat plate is connected to the top of an arc plate, and the inner bottom end of the arc plate is connected to another flat plate, forming an alternating connection between a plurality of flat plates and arc plates, and the height of the outer circumference of the drying plate 2 is higher than the height at the discharge port 4, a plurality of arc grooves are formed at the bottom end of the drying plate 2, the arc center of each of the arc grooves is concentrically arranged with the arc center of the arc plate, and the arc grooves at the top end of the heating assembly 3 are fitted.
[0025] In specific implementation, hot air is introduced into the heating assembly 3 so that the bottom of the drying plate 2 can be heated evenly. With the cooperation of the arc groove and each annular tube 301, the contact surface between the annular tube 301 and the drying plate 2 is increased, thereby improving the heat conduction efficiency and thus improving the drying effect. The drying plate 2 is connected with a plurality of flat plates and arc plates, and the depth of the entire drying plate 2 formed by the connection becomes deeper and deeper from the outside to the inside, so that there is a certain slope from the edge of the drying plate 2 to the discharge port 4, which is convenient for unloading. At the same time, compared with the traditional plane structure, the area of the entire heating surface is increased, thereby improving the drying effect.
[0026] As attached Figure 4 As shown, the heating assembly 3 includes a plurality of annular tubes 301, and each of the annular tubes 301 is respectively fitted in a corresponding arc groove;
[0027] Two air guide tubes 302, the two air guide tubes 302 are respectively connected to each annular tube 301, so that each annular tube 301 is connected to each other;
[0028] The air intake pipe 303 is connected to an annular pipe 301 , and the other side of the annular pipe 301 is connected to an exhaust pipe 304 .
[0029] In specific implementation, hot air enters through the air inlet pipe 303 and enters each annular pipe 301 through the connection of the air guide pipe 302, so that the annular pipe 301 evenly heats the drying plate 2 attached to the top, thereby improving the uniformity of drying, and the hot air after use is discharged from the exhaust pipe 304.
[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A heating plate of a plate dryer, comprising a bottom cover (1), characterized in that: The top of the bottom cover (1) supports a drying plate (2), the top edge of the drying plate (2) is provided with a frame (5), the middle of the drying plate (2) is provided with a discharge port (4), and a heating component (3) is provided between the drying plate (2) and the bottom cover (1).
2. The heating plate of a plate dryer according to claim 1, characterized in that: The bottom of the bottom cover (1) is in a conical structure, and a connecting column (6) is provided at the bottom end inside the bottom cover (1), and the top end of the connecting column (6) is connected to the middle part of the bottom end of the bottom cover (1).
3. The heating plate of a plate dryer according to claim 2, characterized in that: The drying plate (2) is composed of a plurality of flat plates and curved plates, the bottom of the frame (5) is connected to a flat plate, the inner side of the flat plate is connected to the top of a curved plate, and the inner bottom end of the curved plate is connected to another flat plate, forming an alternating connection between the plurality of flat plates and curved plates, and the height of the outer circumference of the drying plate (2) is higher than the height at the discharge port (4).
4. The heating plate of a plate dryer according to claim 3, characterized in that: A plurality of arc-shaped grooves are formed at the bottom end of the drying plate (2), the arc center of each arc-shaped groove is arranged concentrically with the arc center of the arc-shaped plate, and each arc-shaped groove at the top end of the heating component (3) is in contact with each other.
5. The heating plate of a plate dryer according to claim 4, characterized in that: The heating component (3) comprises a plurality of annular tubes (301), each of the annular tubes (301) being fitted in a corresponding arc-shaped groove; Two air guide tubes (302), the two air guide tubes (302) being respectively connected to each annular tube (301), so that each annular tube (301) is interconnected; An air intake pipe (303), the air intake pipe (303) being connected to an annular pipe (301), and the other side of the annular pipe (301) being connected to an exhaust pipe (304).
