Grain drying equipment

Abstract

The utility model discloses grain drying equipment, which relates to the technical field of grain production and comprises a rack and a two-in-one drying component, a heating chamber is fixedly mounted on the right side of the rack, and the two-in-one drying component is arranged in the heating chamber. The two-in-one drying assembly comprises a cavity, a conveying belt, an air outlet, a heating pipe, a fan, an excitation cavity, a waveguide and an antenna, the conveying belt is arranged in the cavity, the air outlet is formed in the end of the conveying belt, the heating pipe is arranged in the air outlet, the air outlet is connected to the output end of the fan, and the excitation cavity is formed in the back face of the cavity. The output end of the excitation cavity is connected with a waveguide. According to the cereal drying equipment, microwave drying and hot air drying are considered, the microwave and hot air two-in-one drying mode is achieved, a user can select the cereal drying mode by himself / herself according to the demands of himself / herself, and drying automation is achieved through a PLC and a sensor.

Description

Technical Field

[0001] The utility model relates to the technical field of grain production, in particular to grain drying equipment. Background Art

[0002] Grain drying is the primary link in post-harvest storage and processing. With the continuous increase in my country's grain output, the losses caused by mold and mildew due to untimely drying treatment have also increased, causing a large amount of waste and becoming an urgent problem to be solved in order to increase agricultural yields and income.

[0003] Existing grain drying equipment usually uses hot air drying technology to achieve grain drying. The technical means to achieve grain drying are relatively simple and the drying effect is not good. Users cannot choose the grain drying method according to their own demands.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a grain drying equipment is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a grain drying device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grain drying equipment, comprising a frame and a two-in-one drying component, a heating chamber is fixedly installed on the right side of the frame, the two-in-one drying component is arranged inside the heating chamber, the two-in-one drying component comprises a cavity, a conveyor belt, an air outlet, a heating tube, a fan, an excitation cavity, a waveguide and an antenna, a conveyor belt is arranged inside the cavity, and an air outlet is arranged at the end of the conveyor belt, a heating tube is arranged inside the air outlet, and the air outlet is connected to the output end of the fan, an excitation cavity is arranged on the back of the cavity, and the output end of the excitation cavity is connected to the waveguide, and the output end of the excitation cavity is also connected to the antenna.

[0007] Furthermore, the cavity is opened inside the heating chamber, and conveyor belts are distributed in layers from top to bottom inside the cavity, and the grains are arranged in an "S" shape on the conveyor belts as the layers descend.

[0008] Furthermore, the airflow output by the fan is heated by the heating tube and then blown toward the upper surface of the conveyor belt through the air outlet, and the heating tube is symmetrically distributed on both sides of the cavity.

[0009] Furthermore, a microwave generator is built into the excitation cavity, and the excitation cavity emits microwaves into the cavity through a waveguide and an antenna.

[0010] Furthermore, a dust collector is connected to the side of the heating chamber, a dust collecting motor is fixed to the top of the dust collector, and an exhaust pipe is externally connected to the top of the dust collector.

[0011] Furthermore, the bottom of the left side of the heating chamber is connected to a grain outlet, and the bottom of the end of the grain outlet is connected to a funnel.

[0012] Furthermore, a discharge port is provided at the bottom of the funnel, and the discharge port is connected to the input end of the elevator.

[0013] Furthermore, the output end of the elevator is connected to Funnel 2, and a grain inlet is provided at the bottom of Funnel 2, and the grain inlet is connected to the top of the left side of the heating chamber.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model not only considers microwave drying, but also hot air drying, realizing a two-in-one drying method of microwave and hot air. Users can choose the drying method of grains according to their own demands, and realizes the automation of drying through PLC and sensors.

[0016] 2. The utility model is mainly aimed at drying grains. Through microwave simulation, the cavity structure is optimized to promote better drying of grains. When microwaves are not used, the temperature in the cavity is better controlled by controlling the effective power of the heating tube to avoid grain bursting due to excessively high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall side view structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the heating chamber of the utility model.

[0020] In the figure: 1. frame; 2. heating chamber; 3. two-in-one drying component; 301. cavity; 302. conveyor belt; 303. air outlet; 304. heating tube; 305. fan; 306. excitation cavity; 307. waveguide; 308. antenna; 4. dust collector; 5. dust collecting motor; 6. exhaust pipe; 7. grain outlet; 8. funnel one; 9. feeding port; 10. elevator; 11. funnel two; 12. grain inlet. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] like Figures 1 to 3As shown, a grain drying device includes a frame 1 and a two-in-one drying component 3. A heating chamber 2 is fixedly installed on the right side of the frame 1. The two-in-one drying component 3 is arranged inside the heating chamber 2. The two-in-one drying component 3 includes a cavity 301, a conveyor belt 302, an air outlet 303, a heating tube 304, a fan 305, an excitation cavity 306, a waveguide 307 and an antenna 308. The cavity 301 is opened inside the heating chamber 2, and the cavity 301 is hierarchically distributed from top to bottom with conveyor belts. The conveyor belt 302 is provided inside the cavity 301, and the grain is located on the conveyor belt 302 in an "S" shape and descends in layers. The conveyor belt 302 is provided inside the cavity 301, and an air outlet 303 is provided at the end of the conveyor belt 302. A heating pipe 304 is provided inside the air outlet 303, and the air outlet 303 is connected to the output end of the fan 305. The airflow output by the fan 305 is heated by the heating pipe 304 and blown to the upper surface of the conveyor belt 302 through the air outlet 303. The heating pipe 304 is located on both sides of the cavity 301. The heating tubes 304 on both sides provide heat sources, so that the airflow output by the fan 305 is heated by the heating tubes 304 and then blown to the upper surface of the conveyor belt 302 through the air outlet 303. By controlling the effective power of the heating tubes 304, the temperature in the cavity 301 is better controlled to avoid the grains from bursting due to excessive temperature. An excitation cavity 306 is arranged on the back of the cavity 301, and the output end of the excitation cavity 306 is connected to a waveguide 307, and the output end of the excitation cavity 306 is also connected to an antenna 308. A microwave generator is built into the excitation cavity 306, and the excitation cavity 306 transmits microwaves to the inside of the cavity 301 through the waveguide 307 and the antenna 308. The microwave generator built into the excitation cavity 306 transmits microwaves to the inside of the cavity 301 through the waveguide 307 and the antenna 308. Through microwave simulation, the structure of the cavity 301 is optimized to promote better drying of the grains. The grain inlet 12 and the grain outlet 7 are also microwave suppressors to ensure that the microwaves cannot overflow.

[0023] like Figure 1 to Figure 2 As shown, the side of the heating chamber 2 is connected to a dust collector 4, and a dust collecting motor 5 is fixed on the top of the dust collector 4, and an exhaust pipe 6 is externally connected to the top of the dust collector 4, the bottom of the left side of the heating chamber 2 is connected to a grain outlet 7, and the bottom of the end of the grain outlet 7 is connected to a funnel 1 8, a feed port 9 is provided at the bottom of the funnel 1 8, and the feed port 9 is connected to the input end of the elevator 10, the output end of the elevator 10 is connected to a funnel 2 11, and a grain inlet 12 is provided at the bottom of the funnel 2 11, and the grain inlet 12 is connected to the top of the left side of the heating chamber 2. While considering microwave drying, this technology also considers hot air drying, and realizes a two-in-one drying method of microwave and hot air. Users can choose the drying method of grains according to their own demands, and realize the automation of drying through PLC and sensors.

[0024] Working principle: When using this grain drying equipment, the grain is put into the hopper 8, enters the bottom input end of the elevator 10 through the discharge port 9, and then is put into the hopper 11 from the top output end through the elevator 10, and then enters the internal cavity 301 of the heating chamber 2 through the grain inlet 12. The conveyor belt 302 is located inside the cavity 301 and is distributed from top to bottom, so that the grain is in an "S" shape and is located on the conveyor belt 302. The layers are descended and returned to the hopper 8 through the grain outlet 7 to realize a closed loop. In this process, the heating pipes 304 on both sides provide heat sources, so that the airflow output by the fan 305 is heated by the heating pipes 304 and blown to the upper surface of the conveyor belt 302 through the air outlet 303. By controlling The effective power of the heating tube 304 can better control the temperature in the cavity 301 to avoid the grains from bursting due to excessive temperature. In addition, the microwave generator built into the excitation cavity 306 transmits microwaves to the inside of the cavity 301 through the waveguide 307 and the antenna 308. The structure of the cavity 301 is optimized through microwave simulation to promote better drying of the grains. The grain inlet 12 and the grain outlet 7 are also microwave suppressors to ensure that microwaves cannot overflow. This technology not only considers microwave drying, but also hot air drying, realizing a two-in-one drying method of microwave and hot air. Users can choose the drying method of the grains according to their own demands, and realize the automation of drying through PLC and sensors.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A grain drying equipment, characterized in that: The invention comprises a frame (1) and a two-in-one drying component (3), wherein a heating chamber (2) is fixedly mounted on the right side of the frame (1), the two-in-one drying component (3) is arranged inside the heating chamber (2), the two-in-one drying component (3) comprises a cavity (301), a conveyor belt (302), an air outlet (303), a heating pipe (304), a fan (305), an excitation cavity (306), a waveguide (307) and an antenna (308), the cavity (301) A conveyor belt (302) is arranged inside, and an air outlet (303) is arranged at the end of the conveyor belt (302), a heating tube (304) is arranged inside the air outlet (303), and the air outlet (303) is connected to the output end of the fan (305), an excitation cavity (306) is arranged on the back of the cavity (301), and the output end of the excitation cavity (306) is connected to a waveguide (307), and the output end of the excitation cavity (306) is also connected to an antenna (308).

2. A grain drying equipment according to claim 1, characterized in that: The cavity (301) is opened inside the heating chamber (2), and a conveyor belt (302) is distributed in layers from top to bottom inside the cavity (301), and the grain is arranged in an "S" shape on the conveyor belt (302) as the layers descend.

3. The grain drying equipment according to claim 1, characterized in that: The airflow output by the fan (305) is heated by the heating tube (304) and then blown toward the upper surface of the conveyor belt (302) through the air outlet (303), and the heating tube (304) is symmetrically distributed on both sides of the cavity (301).

4. The grain drying equipment according to claim 1, characterized in that: The excitation cavity (306) has a built-in microwave generator, and the excitation cavity (306) emits microwaves into the cavity (301) through a waveguide (307) and an antenna (308).

5. The grain drying equipment according to claim 1, characterized in that: The side of the heating chamber (2) is connected to a dust collector (4), a dust collecting motor (5) is fixed on the top of the dust collector (4), and an exhaust pipe (6) is externally connected to the top of the dust collector (4).

6. The grain drying equipment according to claim 1, characterized in that: The left bottom of the heating chamber (2) is connected to a grain outlet (7), and the bottom of the end of the grain outlet (7) is connected to a funnel 1 (8).

7. The grain drying equipment according to claim 6, characterized in that: The bottom of the funnel 1 (8) is provided with a discharge port (9), and the discharge port (9) is connected to the input end of the elevator (10).

8. The grain drying equipment according to claim 7, characterized in that: The output end of the elevator (10) is connected to a second funnel (11), and a grain inlet (12) is provided at the bottom of the second funnel (11), and the grain inlet (12) is connected to the top of the left side of the heating chamber (2).

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