A drum-type microwave dryer

Abstract

The utility model discloses a kind of drum-type microwave drying machine, including shielding box, drum and several microwave generators;The drum rotation is arranged in shielding box, and the barrel wall of several microwave generators is set to drum, and the microwave generated by microwave generator is irradiated to drum, the outer wall of the drum is equipped with several conductive rings, the microwave generator is electrically connected with corresponding conductive ring, the shielding box is equipped with the conductive brush in contact with conductive ring, and the other end of conductive brush is used for being connected with power supply, one end of the drum is feed end, and the other end is discharge end. Its advantage is that material is constantly tumbling in moving process, power supply supplies power to microwave generator through conductive brush, microwave generator generates microwave and irradiates to drum, and material in drum is dried by microwave. Since material is constantly tumbling, drying effect is relatively good. It can also continuously dry material.

Description

Technical Field

[0001] This utility model relates to the field of particle drying technology, and in particular to a drum-type microwave dryer. Background Technology

[0002] To enable rapid drying of granular powders and other materials, high-energy methods such as microwaves are used for heating and drying. Current microwave drying equipment includes a container for holding granular powders and a microwave generator inside the container. The microwaves generated by the microwave generator can dry the material. However, since the material is stationary inside the container, the material at the bottom is difficult to dry, resulting in uneven drying and poor drying effect. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a drum-type microwave dryer to address the shortcomings of the existing technology.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution.

[0005] A drum-type microwave dryer includes a shielded box, a drum, and several microwave generators. The drum is rotatably disposed inside the shielded box, and the several microwave generators are disposed on the drum wall. Microwaves generated by the microwave generators irradiate the inside of the drum. Several conductive rings are provided on the outer wall of the drum, and the microwave generators are electrically connected to the corresponding conductive rings. A conductive brush is provided inside the shielded box that contacts the conductive rings. The other end of the conductive brush is used to connect to a power source. One end of the drum is the feed end, and the other end is the discharge end.

[0006] A preferred embodiment is that the inner wall of the drum is provided with a plurality of conveying blades, the conveying blades forming an angle with the axial direction of the drum.

[0007] A preferred embodiment is that the outer wall of the drum is provided with a first gear, and the shielding box is provided with a motor, a second gear and a pulley. The main shaft of the motor is connected to the second gear through the pulley. The second gear meshes with the first gear, and the motor drives the drum to rotate through the second gear and the first gear.

[0008] A preferred embodiment is that the cross-section of the roller is polygonal, and each inner wall of the roller is provided with a material guiding structure.

[0009] A preferred embodiment is that the conductive brush is a power supply brush.

[0010] The rotary drum microwave dryer provided in this embodiment of the invention has at least the following beneficial effects: Material enters the drum from the feed end, and the drum carries the material from the feed end to the discharge end. The material continuously tumbles during this movement. Power is supplied to the microwave generator through conductive brushes, and the microwave generator generates microwaves that irradiate the inside of the drum. The microwaves dry the material inside the drum. Due to the continuous tumbling of the material, the drying effect is relatively good. Simultaneously, it can also continuously dry materials.

[0011] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0012] Figure 1 This is a perspective view of the present invention; Figure 2 It is the three-dimensional structure inside this utility model. Figure 1 ; Figure 3 It is the three-dimensional structure inside this utility model. Figure 2 . Detailed Implementation

[0013] To illustrate the ideas and objectives of this application, the following description will be provided in conjunction with the accompanying drawings and specific embodiments.

[0014] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," "left," "right," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0015] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0016] like Figures 1 to 3As shown, a drum-type microwave dryer includes a shielded box 10, a drum 20, and several microwave generators 30. The drum 20 is rotatably disposed inside the shielded box 10. Several microwave generators 30 are disposed on the drum wall of the drum 20. Microwaves generated by the microwave generators 30 irradiate the inside of the drum 20. Several conductive rings 40 are provided on the outer wall of the drum 20. The microwave generators 30 are electrically connected to the corresponding conductive rings 40. The shielded box 10 is provided with conductive brushes 11 that contact the conductive rings 40. The other end of the conductive brushes 11 is used to connect to a power source. One end of the drum 20 is the feed end, and the other end is the discharge end.

[0017] like Figures 1 to 3 As shown, material enters the drum 20 from the feed end. The drum 20 carries the material from the feed end to the discharge end. During the movement, the material continuously tumbles. Power is supplied to the microwave generator 30 through the conductive brush 11. The microwave generator 30 generates microwaves that irradiate the inside of the drum 20, drying the material inside. Due to the continuous tumbling of the material, the drying effect is relatively good. Simultaneously, material drying can be continuous. The length of the drum 20 can be set as needed, and the drums 20 can also be spliced ​​together to form different lengths, allowing control over the microwave irradiation time.

[0018] like Figures 1 to 3 As shown, the inner wall of the drum 20 is provided with a plurality of conveying blades 21, and the conveying blades 21 form an angle with the axis of the drum 20. During the rotation of the drum 20, the conveying blades 21 are driven to rotate, and the conveying blades 21 carry the material from the feed end to the discharge end.

[0019] like Figures 1 to 3 As shown, the outer wall of the roller 20 is provided with a first gear 41, and the shielding box 10 is provided with a motor 41, a second gear 43 and a pulley 44. The main shaft of the motor 41 is connected to the second gear 43 through the pulley 44. The second gear 43 meshes with the first gear 41. The motor drives the roller to rotate through the second gear 43 and the first gear.

[0020] like Figures 1 to 3 As shown, motor 41 drives second gear 43 to rotate, second gear 43 drives first gear 41 to rotate, and first gear 41 drives drum 20 to rotate. During the rotation, drum 20 continuously tumbles the material inside, improving the uniformity of drying.

[0021] like Figures 1 to 3 As shown, the cross-section of the roller 20 is polygonal, and each inner wall of the roller 20 is provided with a material guiding structure. The cross-section of the roller 20 is octagonal.

[0022] like Figures 1 to 3 As shown, the conductive brush 11 is a power supply carbon brush.

[0023] The above are specific embodiments of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. A drum-type microwave dryer, characterized in that, The device includes a shielded box, a roller, and several microwave generators. The roller is rotatably mounted inside the shielded box, and the several microwave generators are mounted on the roller wall. Microwaves generated by the microwave generators irradiate the inside of the roller. Several conductive rings are provided on the outer wall of the roller, and the microwave generators are electrically connected to the corresponding conductive rings. The shielded box is provided with conductive brushes that contact the conductive rings. The other end of the conductive brushes is used to connect to a power source. One end of the roller is the feed end, and the other end is the discharge end.

2. The drum-type microwave dryer according to claim 1, characterized in that, The inner wall of the drum is provided with several conveying blades, and the conveying blades form an angle with the axis of the drum.

3. The drum-type microwave dryer according to claim 1, characterized in that, The outer wall of the drum is provided with a first gear, and the shielding box is provided with a motor, a second gear and a pulley. The main shaft of the motor is connected to the second gear through the pulley. The second gear meshes with the first gear. The motor drives the drum to rotate through the second gear and the first gear.

4. The drum-type microwave dryer according to claim 1, characterized in that, The cross-section of the roller is polygonal, and each inner wall of the roller is provided with a material guiding structure.

5. The drum-type microwave dryer according to claim 1, characterized in that, The conductive brush is a power supply brush.

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