Drying device for highland barley oatmeal production

Abstract

The utility model relates to the technical field of oatmeal processing, in particular to a drying device for highland barley oatmeal production, which comprises a drying box, an exhaust component arranged at the top of the drying box, a heating air supply component arranged at the bottom of the drying box and a screen plate obliquely arranged in the middle of a system. The exhaust assembly comprises a bent pipe arranged on the drying box, a first fan arranged at the exhaust end of the bent pipe, a second filter screen arranged on the inner side of the bent pipe and located behind the first fan in the exhaust direction, and a wheat bran collecting assembly arranged on the bent pipe and correspondingly located on one side of the second filter screen. The heating air supply assembly comprises a conical air scoop arranged at the bottom of the inner side of the drying box, a second fan arranged at the lower end of the conical air scoop and an electric heating wire arranged on the conical air scoop. When water vapor generated by drying is discharged, wheat bran can be prevented from being attached to blades of the first draught fan, the service life of the draught fan is prolonged, environmental pollution and the collection problem are solved, meanwhile, air blown to the screen plate can be heated, and the oatmeal drying efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oat flake processing, in particular to a drying device for producing highland barley oat flakes. Background Art

[0002] Oat flakes are made from wheat grains after cleaning, shelling, peeling, tempering, rolling, cooling and drying. They are commonly known as rolled oat flakes. They can be mixed with staple food (rice or other grains, beans) to cook oatmeal rice (porridge). Raw oat flakes are also used in fruit porridge and eight-treasure porridge. Raw oat flake processing refers to the use of roller pressing technology to press the wheat grains that have been peeled appropriately into flakes, usually one wheat kernel is pressed into one piece. After the oat flakes are formed, they need to be dried because they contain moisture.

[0003] The patent number of the Chinese patent publication CN212227535U is a cereal drying device for food processing. During the cereal drying process, a second fan is provided to discharge the water vapor generated by the drying, and at the same time, the bran blown up in the cereal is discharged; however, in this process, the bran is discharged together with the water vapor, and a large amount of bran is easily attached to the fan blades of the second fan, resulting in a reduction in the service life of the second fan, and the direct discharge of the bran is easy to cause environmental pollution, and it is inconvenient to collect the discharged bran;

[0004] In addition, a fan is arranged in the device to blow the oatmeal on the screen plate upwards. However, the temperature of the wind blown by the fan is inconsistent with the drying temperature in the drying box, resulting in a reduction in the drying efficiency of the oatmeal inside the drying box. Utility Model Content

[0005] The utility model aims to provide a drying device for producing highland barley oat flakes, which is used to solve the problems of direct discharge of wheat bran during the drying process of the existing device, difficulty in collecting the wheat bran, and inconsistency between the temperature of the wind blown upward on the screen plate and the temperature in the drying box.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a drying device for producing highland barley oatmeal, comprising a drying box, an exhaust assembly arranged at the top of the drying box, a heating air supply assembly arranged at the bottom of the drying box, and a screen plate obliquely arranged in the middle of the system, wherein the exhaust assembly comprises a curved pipe arranged on the drying box, a first fan arranged at the exhaust end of the curved pipe, a second filter screen arranged on the inner side of the curved pipe and located behind the first fan along the exhaust direction, and a bran collecting assembly arranged on the curved pipe and corresponding to one side of the second filter screen; the heating air supply assembly is provided at the bottom of the drying box, and the screen plate is provided at the bottom of the drying box. The air component includes a conical air scoop arranged at the bottom of the inner side of the drying box, a second fan arranged at the lower end of the conical air scoop, and an electric heating wire arranged on the conical air scoop and located above the second fan; the bran collecting component includes a conical collecting hopper arranged on the curved pipe, a discharge pipe arranged at the lower end of the conical collecting hopper, a valve arranged on the discharge pipe, an electric push rod arranged on the curved pipe, a vertical plate arranged at one end of the electric push rod, and a brush arranged on one side of the vertical plate; the brush is slidably matched with one side of the second filter screen, and the conical collecting hopper is located on one side of the second filter screen.

[0007] Furthermore, the air inlet port of the curved pipe is provided with a first filter.

[0008] Furthermore, the inner wall of the drying box is provided with an air guide plate located between the conical wind scoop and the screen plate, and a plurality of air guide ports are provided on the upper side of the air guide plate.

[0009] Furthermore, a discharge box door is provided at a position corresponding to one side of the drying box and the downwardly inclined end of the screen plate, and a blowing assembly is provided on the discharge box door. The blowing assembly includes a hot air blower arranged on the outside of the discharge box door, a groove arranged on the inside of the discharge box door, and a filter arranged on the groove. The air outlet pipe of the hot air blower passes through the discharge box door and extends to the inside of the groove.

[0010] Furthermore, the side wall of the drying box is provided with a heating drying rod located above the screen plate, the interior of the drying box is provided with a rotating central axis, and a plurality of annularly spaced scattering plates are provided on the rotating central axis, and the scattering plates are located above the screen plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model has the following beneficial effects:

[0013] When drying oat flakes, the first fan is operated to draw the water vapor generated in the drying box into the bent pipe. After the water vapor enters the bent pipe, the bran in the water vapor is filtered through the second filter screen, and the filtered air is discharged. In this process, the filtered bran enters the conical collection bucket by its own gravity for collection. After the drying is completed, the valve is opened, and the collected bran is discharged through the discharge pipe. In the process of discharging the water vapor generated by drying, the device prevents the bran carried in the water vapor from adhering to the fan blades of the first fan, thereby reducing the service life of the first fan, and prevents the bran discharge from polluting the environment and inconvenience in collecting and processing the bran.

[0014] During the drying process, the wind blown out by the second fan is heated by multiple electric heating wires. The heated wind enters the conical wind scoop upward and blows toward the screen plate, blowing up the oatmeal on the screen plate. The device also heats the wind blown up by the oatmeal on the screen plate, further improving the efficiency of drying the oatmeal. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional schematic diagram of a drying device for producing highland barley flakes according to the utility model;

[0016] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 For this utility model Figure 1 Enlarged view of point B in the middle;

[0018] Figure 4 This is a schematic diagram of the structure of the air guide plate of the utility model.

[0019] In the figure: 1. Drying box; 2. Exhaust assembly; 3. Bend pipe; 4. Breaking plate; 5. Conical collecting hopper; 6. Discharging pipe; 7. Valve; 8. First filter; 9. Second filter; 10. First fan; 11. Screen plate; 12. Electric push rod; 13. Conical wind hopper; 14. Heating and drying rod; 15. Electric heating wire; 16. Second fan; 17. Air guide plate; 18. Air guide port; 19. Rotating central axis; 20. Discharging box door; 21. Groove; 22. Hot air blower; 23. Filter; 24. Vertical plate; 25. Brush. DETAILED DESCRIPTION

[0020] See also Figure 1-4A drying device for producing highland barley oatmeal comprises a drying box 1, an exhaust assembly 2 arranged at the top of the drying box 1, a heating air supply assembly arranged at the bottom of the drying box 1, and a screen plate 11 obliquely arranged in the middle of the system, the exhaust assembly 2 comprises a curved pipe 3 arranged on the drying box 1, a first fan 10 arranged at the exhaust end of the curved pipe 3, a second filter screen 9 arranged on the inner side of the curved pipe 3 and located behind the first fan 10 along the exhaust direction, and a bran collecting assembly arranged on the curved pipe 3 and corresponding to one side of the second filter screen 9; the heating air supply assembly comprises a conical air scoop 13 welded to the bottom of the inner side of the drying box 1, a second fan 16 arranged at the lower end of the conical air scoop 13, and an electric heating wire 15 arranged on the conical air scoop 13 and located above the second fan 16.

[0021] The bran collecting assembly includes a conical collecting hopper 5 arranged on the curved pipe 3, a discharge pipe 6 arranged at the lower end of the conical collecting hopper 5, a valve 7 installed on the pipe section of the discharge pipe 6, an electric push rod 12 arranged on the curved pipe 3, a vertical plate 24 arranged at one end of the electric push rod 12, and a brush 25 arranged on one side of the vertical plate 24; the brush 25 is used to clean the second filter screen 9, the brush 25 is slidably matched with one side of the second filter screen 9, and the conical collecting hopper 5 is located on one side of the second filter screen 9.

[0022] The air inlet port of the elbow 3 is detachably connected to the first filter screen 8 by means of bolts.

[0023] The inner wall of the drying box 1 is provided with an air guide plate 17 located between the conical wind scoop 13 and the screen plate 11, and a plurality of air guide ports 18 are provided on the upper side of the air guide plate 17; the airflow blown upward by the second fan 16 is guided through the plurality of air guide ports 18 to be evenly blown onto the screen plate 11.

[0024] A discharge box door 20 is provided on one side of the drying box 1 at a position corresponding to the downwardly inclined end of the screen plate 11, and a blowing assembly is provided on the discharge box door 20. The blowing assembly includes a hot air blower 22 arranged on the outside of the discharge box door 20, a groove 21 arranged on the inside of the discharge box door 20, and a filter screen 23 arranged on the groove 21. The filter screen 23 prevents the oatmeal in the drying box 1 from entering the groove 21. The air outlet pipe of the hot air blower 22 passes through the discharge box door 20 and extends to the inside of the groove 21.

[0025] The side wall of the drying box 1 is provided with a heating drying rod 14 located above the screen plate 11, and the interior of the drying box 1 is provided with a rotating central axis 19, and a plurality of annularly spaced scattering plates 4 are arranged on the rotating central axis 19, and the scattering plates 4 are located above the screen plate 11. A motor is installed on one side of the drying box 1, and the output end of the motor is connected to the rotating central axis 19. The motor drives the rotating central axis 19 to rotate, driving the plurality of scattering plates 4 to rotate, thereby scattering the blown oatmeal and drying it through the plurality of heating drying rods 14.

[0026] Working principle: when drying oatmeal, the oatmeal is added into the drying box 1 through the feed hopper on the upper side of the drying box 1, the first fan 10 and the second fan 16 are turned on, and the wind blown out by the second fan 16 is heated by multiple electric heating wires 15. The heated wind enters the conical wind scoop 13 upward, passes through the air guide plate 17, and is guided and blown evenly onto the screen plate 11 through multiple air guide ports 18, so that the oatmeal on the screen plate 11 is blown up, and at the same time, the hot air generated by the hot air blower 22 enters the groove 21 and enters the drying box 1, and the motor drives the rotating central axis 19 to rotate, driving the multiple breaking plates 4 to rotate, breaking up the blown oatmeal, and drying it through multiple heating drying rods 14, and the blown hot air further dries the oatmeal at the same time. The setting of the hot air blower 22 can prevent the oatmeal on the right side of the inclined screen plate 11 from being effectively blown up. The operation of the first fan 10 will generate water vapor in the drying box 1 The oatmeal is drawn into the curved pipe 3. When entering the curved pipe 3, the first filter screen 8 prevents the oatmeal from entering the curved pipe 3. After the water vapor enters the curved pipe 3, the bran in the water vapor is filtered through the second filter screen 9, and the filtered air is discharged. In this process, the electric push rod 12 is opened, driving the brush 25 connected to the vertical plate 24 to move up and down, and the bran attached to the second filter screen 9 is brushed down and cleaned. The filtered bran enters the conical collecting bucket 5 for collection by its own gravity. After drying, the valve 7 is opened, and the collected bran is discharged through the discharge pipe 6. Then, in the process of discharging the water vapor generated by drying, the device prevents the bran carried in the water vapor from adhering to the fan blades of the first fan 10, thereby reducing the service life of the first fan 10, and prevents the bran discharge from polluting the environment and inconvenience in collecting and processing the bran; at the same time, it is convenient to heat the wind blown by the oatmeal on the screen plate 11, so as to further improve the efficiency of drying the oatmeal.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drying device for producing highland barley flakes, comprising a drying box (1), an exhaust assembly (2) arranged at the top of the drying box (1), a heating air supply assembly arranged at the bottom of the drying box (1), and a screen plate (11) arranged obliquely in the middle of the system, characterized in that: The exhaust assembly (2) comprises a curved pipe (3) arranged on the drying box (1), a first fan (10) arranged at the exhaust end of the curved pipe (3), a second filter (9) arranged on the inner side of the curved pipe (3) and located behind the first fan (10) in the exhaust direction, and a bran collecting assembly arranged on the curved pipe (3) and corresponding to one side of the second filter (9); the heating air supply assembly comprises a conical air scoop (13) arranged at the bottom of the inner side of the drying box (1), a second fan (16) arranged at the lower end of the conical air scoop (13), and a second fan (16) arranged on the conical air scoop (13) and located at the second air scoop. The bran collecting assembly comprises a conical collecting hopper (5) arranged on the curved pipe (3), a discharge pipe (6) arranged at the lower end of the conical collecting hopper (5), a valve (7) arranged on the discharge pipe (6), an electric push rod (12) arranged on the curved pipe (3), a vertical plate (24) arranged at one end of the electric push rod (12), and a brush (25) arranged on one side of the vertical plate (24); the brush (25) is slidably matched with one side of the second filter screen (9), and the conical collecting hopper (5) is located on one side of the second filter screen (9).

2. A drying device for producing highland barley oatmeal as claimed in claim 1, characterized in that: The air inlet port of the curved pipe (3) is provided with a first filter screen (8).

3. A drying device for producing highland barley oatmeal as claimed in claim 1, characterized in that: The inner wall of the drying box (1) is provided with an air guide plate (17) located between the conical air scoop (13) and the screen plate (11), and a plurality of air guide ports (18) are provided on the upper side of the air guide plate (17).

4. A drying device for producing highland barley oatmeal as claimed in claim 1, characterized in that: A discharge box door (20) is provided at a position corresponding to one side of the drying box (1) and the downwardly inclined end of the screen plate (11); an air blowing assembly is provided on the discharge box door (20); the air blowing assembly comprises a hot air blower (22) provided on the outside of the discharge box door (20), a groove (21) provided on the inside of the discharge box door (20), and a filter screen (23) provided on the groove (21); an air outlet pipe of the hot air blower (22) passes through the discharge box door (20) and extends to the inside of the groove (21).

5. A drying device for producing highland barley oatmeal as claimed in claim 1, characterized in that: The drying box (1) has a heating drying rod (14) located above the screen plate (11) on its side wall, and a rotating central axis (19) is provided inside the drying box (1). A plurality of annularly spaced scattering plates (4) are provided on the rotating central axis (19), and the scattering plates (4) are located above the screen plate (11).

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