A multi-layer parallel air supply agricultural product drying equipment

Abstract

This utility model relates to the technical field of agricultural product drying equipment, and in particular to a multi-layer parallel air-supplying agricultural product drying equipment. It utilizes a hot air guiding structure to allow hot air to flow between multiple trays, ensuring uniform heating of agricultural products and improving drying stability. The equipment includes a hot air box, a drying box, and multiple trays. It also includes a first hot air outlet, a second hot air outlet, multiple mounting bases, and multiple arc-shaped plates. The first hot air outlet is connected to the lower part of the drying chamber of the drying box, and the second hot air outlet is connected to the upper two trays of the drying chamber. The lower edge of the first hot air outlet is flush with the upper surface of the lowest tray, and the lower edge of the second hot air outlet is flush with the upper surface of the highest tray. Multiple mounting bases are installed in the drying chamber of the drying box, located on both sides of the trays. Multiple arc-shaped plates are installed on the mounting bases, located on both sides of the trays, with two opposing arc-shaped plates forming a guide plate.

Description

Technical Field

[0001] This utility model relates to the technical field of agricultural product drying equipment, and in particular to a multi-layer parallel air supply agricultural product drying equipment. Background Technology

[0002] Agricultural products are generally dried and stored after harvest. Chinese utility model patent CN209106119U discloses a parallel-airflow fruit and vegetable dryer. This dryer includes a casing with hinged doors on both sides of the front. Handles are fixed near the doors, with one handle connected to a limiting pin via a fixed shaft. Several sets of support frames are symmetrically arranged on both sides inside the casing, with limiting clips fixed above the support frames. Diverter pipes are embedded inside the limiting clips. This parallel-airflow fruit and vegetable dryer facilitates the closing of the casing by providing doors, opening and closing by providing handles, and closing by providing limiting pins. The support frames support the drying screens for easy drying of fruits and vegetables. An air heater heats the air, which is then delivered to each diverter pipe via an air duct. The diverter pipes then spray the gas through nozzles, accelerating the circulation of hot air within the casing and ensuring more even heating of the fruits and vegetables.

[0003] The aforementioned dryer has multiple drying screens installed in parallel inside, allowing parallel hot air to dry the agricultural products on the screens. However, there is no hot air guiding structure between the drying screens, which prevents the hot air from flowing between the multiple drying screens. This necessitates the installation of air jets between the drying screens, requiring a large number of air jets, which complicates the structure of the air supply system. Furthermore, the end of the drying screen closer to the air jets is hotter than the end farther away from the air jets. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a multi-layer parallel air supply agricultural product drying equipment that uses a hot air guiding structure to allow hot air to flow between multiple trays, so that agricultural products are heated evenly and the drying stability is improved.

[0005] This utility model discloses a multi-layer parallel air-feeding agricultural product drying equipment, comprising a hot air box, a drying box, and multiple trays. The hot air box contains a fan and a heater, and the drying box contains a drying chamber. Multiple trays are installed parallel to each other within the drying chamber of the drying box, arranged vertically. The equipment also includes a first hot air outlet, a second hot air outlet, multiple mounting bases, and multiple arc-shaped plates. The first hot air outlet is located at the lower part of the hot air box, and the second hot air outlet is located at the upper part of the hot air box. The first hot air outlet communicates with the lower part of the drying chamber of the drying box, and the second hot air outlet communicates with the upper part of the drying chamber of the drying box. There are two hot air vents, with the lower edge of the first vent flush with the upper surface of the bottommost tray, and the lower edge of the second vent flush with the upper surface of the topmost tray. Multiple mounting bases are installed in the drying chamber of the drying oven, located on both sides of multiple trays. Multiple curved plates are mounted on the mounting bases, with two opposing curved plates forming a guide plate. The curved plates surround the ends of the trays, and the two opposing curved plates direct the hot air from one tray through... After being guided at -80 degrees, the airflow is directed to the next tray, forming a tortuous air duct that flows from the first hot air outlet through multiple trays and back to the second hot air outlet. During operation, multiple agricultural product trays are placed on multiple trays. The heater and fan in the hot air box are turned on, allowing hot air to enter the drying chamber of the drying box through the first hot air outlet. The hot air then flows sequentially from bottom to top through multiple trays and back to the hot air box through the second hot air outlet, circulating and drying the agricultural products on the trays. After a period of drying, the fan in the hot air box reverses its direction, causing the hot air to... Hot air is introduced into the drying chamber of the drying box through hot air inlet two, and then flows sequentially from top to bottom through multiple trays and returns to the hot air box through hot air inlet one. This allows the hot air to circulate and dry the agricultural products on the multiple trays, achieving drying of the agricultural products in different directions. Compared with existing technologies, the hot air guide structure formed by multiple arc-shaped plates allows the hot air to flow between multiple trays, simplifying the structure of the air supply system. By adjusting the air outlets one and two, the agricultural products on the multiple trays are heated evenly, improving drying stability.

[0006] Preferably, it also includes an air inlet 1, a baffle 1, an air inlet 2, and a baffle 2. An air inlet 1 is provided at the lower part of the hot air box, which is opposite to and connected to the hot air outlet 1. A baffle 1 is hinged to the outer wall of the hot air box and is used to close and open the air inlet 1. An air inlet 2 is provided at the upper part of the hot air box, which is opposite to and connected to the hot air outlet 2. A baffle 2 is hinged to the outer wall of the hot air box and is used to close and open the air inlet 2. When the air inlet 2 is closed by the baffle 2 and the air inlet 1 is opened by the baffle 1, the blower direction is adjusted so that hot air is input into the drying chamber of the drying box through the hot air outlet 1, thereby allowing fresh air from the outside to be drawn in through the air inlet 2. Similarly, the air inlet 1 is closed by the baffle 1 and the air inlet 2 is opened by the baffle 2, allowing fresh air from the outside to be drawn in through the air inlet 1.

[0007] Preferably, it also includes push cylinder one and push cylinder two. One end of push cylinder one is installed on the hot air box, and the other end of push cylinder one is rotatably connected to baffle one. One end of push cylinder two is installed on the hot air box, and the other end of push cylinder two is rotatably connected to baffle two. Push cylinder one extends and retracts to drive baffle one to flip, thereby opening or closing air inlet one. Push cylinder two extends and retracts to drive baffle two to flip, thereby opening or closing air inlet two. It has good practicality.

[0008] Preferably, the device also includes a desiccant box one and a desiccant box two, both of which are detachably installed in the hot air box. Desiccant box one is located between hot air inlet one and air inlet one, while desiccant box two is located between hot air inlet two and air inlet two. Both desiccant box one and desiccant box two are filled with desiccant, so that when the hot air circulates, it passes through desiccant box one and desiccant box two. The desiccant in desiccant box one and desiccant box two absorbs the moisture in the hot air, making the hot air drier and improving the drying efficiency. When not drying agricultural products, the operation of the fan and heater in the hot air box allows the hot air to dry and restore the desiccant in desiccant box one and desiccant box two, enabling the desiccant to be reused.

[0009] Preferably, the device also includes multiple shafts and multiple handwheels. The multiple shafts are rotatably mounted on multiple mounting seats, and multiple arc-shaped plates are connected to the multiple shafts. Handwheels are installed at the ends of the multiple shafts. By rotating the multiple shafts with the multiple handwheels, the multiple shafts drive the multiple arc-shaped plates to rotate, thereby adjusting the angle of the multiple arc-shaped plates so that the ends of two oppositely arranged arc-shaped plates are aligned or staggered. When the ends of two arc-shaped plates are aligned, the two arc-shaped plates form a complete air-guiding arc plate, guiding all the hot air at 1-80 degrees. When the ends of two arc-shaped plates are staggered, the end of one arc-shaped plate cuts into the hot air flow, which can separate the outer layer of the hot air flowing along the inner arc of the two arc-shaped plates from the inner layer. The outer layer of hot air with a high water vapor content is guided to the outside of the multiple trays through the gap between the ends of the two arc-shaped plates, improving the drying effect.

[0010] Preferably, the tray is a grid plate; the above configuration allows hot air to flow up and down through multiple grid holes on the tray, improving the drying effect.

[0011] Preferably, the device also includes multiple hinge seats, multiple air guide plates, and multiple connecting rods. Multiple hinge seats are installed on the lower end face of multiple trays, and the upper ends of multiple air guide plates are rotatably connected to multiple hinge seats respectively. Multiple hinge seats located below the trays are rotatably connected to connecting rods. By setting multiple connecting rods, it is convenient to adjust the angle of multiple air guide plates simultaneously. Adjusting the angle of multiple air guide plates so that the lower ends of multiple air guide plates face the direction of the hot air, so that the circulating hot air is guided upwards through multiple air guide plates, and so that some hot air blows from bottom to top over the trays and the agricultural products on them, thereby improving the drying effect.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: by forming a hot air guiding structure with multiple arc plates, the hot air between multiple trays can flow to each other, simplifying the structure of the air supply system. By adjusting the air outlet one and the air inlet two back and forth, the agricultural products on multiple trays are heated evenly, improving the drying stability. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a partial cross-sectional structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the isometric structure of this utility model; Figure 4 This is a structural diagram of the hot air box, baffle one, and baffle two, etc. Figure 5 It is a structural diagram of components such as the pallet, mounting base, arc plate, handwheel, hinge base, and air guide plate; Figure 6 It is a structural diagram of components such as the support plate, hinge seat, air guide plate, and connecting rod.

[0014] The following are labels in the attached diagram: 1. Hot air box; 2. Drying box; 3. Tray; 4. Hot air outlet one; 5. Hot air outlet two; 6. Mounting base; 7. Arc plate; 8. Air inlet one; 9. Baffle one; 10. Air inlet two; 11. Baffle two; 12. Push cylinder one; 13. Push cylinder two; 14. Desiccant box one; 15. Desiccant box two; 16. Shaft; 17. Handwheel; 18. Hinge seat; 19. Air guide plate; 20. Connecting rod. Detailed Implementation

[0015] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0016] like Figures 1 to 6As shown, a multi-layer parallel air-feeding agricultural product drying equipment includes a hot air box 1, a drying box 2, and multiple trays 3. The hot air box 1 is equipped with a fan and a heater. The drying box 2 has a drying chamber inside. Multiple trays 3 are installed parallel to each other in the drying chamber of the drying box 2, arranged vertically. It also includes a first hot air outlet 4, a second hot air outlet 5, multiple mounting bases 6, and multiple arc-shaped plates 7. The first hot air outlet 4 is located at the lower part of the hot air box 1, and the second hot air outlet 5 is located at the upper part of the hot air box 1. The first hot air outlet 4 communicates with the lower part of the drying chamber of the drying box 2, and the second hot air outlet 5 communicates with the upper part of the drying chamber of the drying box 2. The lower edge of the first hot air outlet 4 is flush with the upper surface of the lowest tray 3. The lower edge of the hot air outlet 5 is flush with the upper surface of the uppermost support plate 3. Multiple mounting seats 6 are installed in the drying chamber of the drying box 2. Multiple mounting seats 6 are located on both sides of multiple support plates 3. Multiple arc-shaped plates 7 are installed on multiple mounting seats 6. Multiple arc-shaped plates 7 are located on both sides of multiple support plates 3. Two arc-shaped plates 7 facing each other form air guide arc plates. The support plate 3 is a grid plate. It also includes multiple hinge seats 18, multiple air guide plates 19 and multiple connecting rods 20. Multiple hinge seats 18 are installed on the lower end face of multiple support plates 3. The upper ends of multiple air guide plates 19 are rotatably connected to multiple hinge seats 18. Multiple hinge seats 18 located below support plates 3 are rotatably connected to connecting rods 20.

[0017] Multiple arc-shaped plates 7 surround the ends of multiple pallets 3. Two opposing arc-shaped plates 7 guide the hot air on one pallet 3 at a 1-80 degree angle to the next pallet 3, forming a tortuous air duct that flows sequentially from hot air inlet 4 through multiple pallets 3 and back to hot air inlet 5. During operation, multiple agricultural product trays are placed on multiple pallets 3. The heater and fan in the hot air box 1 are turned on, allowing hot air to enter the drying chamber of the drying box 2 through hot air inlet 4. The hot air flows sequentially from bottom to top through multiple pallets 3 and back to the hot air box 1 through hot air inlet 5, thus circulating and drying the agricultural products on the multiple pallets 3. After drying for a period of time, the fan in the hot air box 1 reverses, allowing hot air to enter the drying chamber of the drying box 2 through hot air inlet 5, and the hot air flows sequentially from top to bottom through multiple pallets 3. The hot air returns to the hot air box 1 through the hot air inlet 4, allowing the hot air to circulate and dry the agricultural products on multiple trays 3. This enables the hot air to dry the agricultural products from different directions. Multiple connecting rods 20 are used to facilitate the simultaneous adjustment of the angles of multiple air guide plates 19. By adjusting the angles of the multiple air guide plates 19, the lower ends of the multiple air guide plates 19 are directed towards the direction from which the hot air is coming. This allows the circulating hot air to be guided upwards through the multiple air guide plates 19 onto the trays 3. As a result, some of the hot air blows upwards over the multiple grid holes on the trays 3 and the agricultural products on them. Compared with the prior art, the hot air guiding structure formed by multiple arc-shaped plates 7 allows the hot air to flow between the multiple trays 3, simplifying the structure of the air supply system. By adjusting the hot air inlet 4 and the hot air outlet 5 back and forth, the agricultural products on the multiple trays 3 are heated evenly, improving the drying stability. Example 2

[0018] like Figures 1 to 4 As shown, based on Embodiment 1, it further includes an air inlet 8, a baffle 9, an air inlet 10, and a baffle 11. The lower part of the hot air box 1 has an air inlet 8, which is opposite to and connected to the hot air outlet 4. The baffle 9 is hinged to the outer wall of the hot air box 1 and is used to close and open the air inlet 8. The upper part of the hot air box 1 has an air inlet 10, which is opposite to and connected to the hot air outlet 5. The baffle 11 is hinged to the outer wall of the hot air box 1 and is used to close and open the air inlet 10. It also includes a pusher. The system includes cylinder 12 and push cylinder 2, with one end of push cylinder 12 mounted on the hot air box 1 and the other end of push cylinder 12 rotatably connected to baffle 9. One end of push cylinder 2 13 is mounted on the hot air box 1 and the other end of push cylinder 2 13 is rotatably connected to baffle 2 11. The system also includes desiccant box 14 and desiccant box 25, both of which are detachably mounted in the hot air box 1. Desiccant box 14 is located between hot air inlet 4 and air inlet 8, and desiccant box 2 15 is located between hot air inlet 2 5 and air inlet 2 10.

[0019] Push cylinder 12 extends and retracts, driving baffle 9 to flip, thereby opening or closing air inlet 8. Push cylinder 2 13 extends and retracts, driving baffle 2 11 to flip, thereby opening or closing air inlet 2 10. Air inlet 2 10 is closed by baffle 2 11, and air inlet 8 is opened by baffle 9. At this time, the blower direction is adjusted so that hot air is input into the drying chamber of drying box 2 through hot air inlet 4, thereby allowing fresh air from the outside to be drawn in through air inlet 2 10. Similarly, air inlet 8 is closed by baffle 19, and air inlet 2 10 is opened by baffle 2 11. 0. Opening the air inlet allows fresh air from outside to be drawn in through the air inlet 8. Both desiccant boxes 14 and 15 are filled with desiccant. When the hot air circulates, it passes through desiccant boxes 14 and 15, where the desiccant absorbs the moisture in the hot air, making it drier and improving drying efficiency. When not drying agricultural products, the fan and heater of the hot air box 1 operate to dry and restore the desiccant in desiccant boxes 14 and 15, allowing the desiccant to be reused. Example 3

[0020] like Figure 1 , Figure 5 and Figure 6 As shown, based on Embodiment 1, it also includes multiple shafts 16 and multiple handwheels 17. The multiple shafts 16 are rotatably mounted on multiple mounting seats 6, and multiple arc-shaped plates 7 are connected to the multiple shafts 16. Handwheels 17 are installed at the ends of the multiple shafts 16.

[0021] By rotating multiple handwheels 17 to rotate multiple shafts 16, the multiple shafts 16 drive multiple arc-shaped plates 7 to rotate, thereby adjusting the angle of the multiple arc-shaped plates 7 so that the ends of two oppositely arranged arc-shaped plates 7 are aligned or staggered. When the ends of two arc-shaped plates 7 are aligned, the two arc-shaped plates 7 form a complete air guide arc plate to guide all hot air at 1-80 degrees. When the ends of two arc-shaped plates 7 are staggered, the end of one arc-shaped plate 7 cuts into the hot air flow, which can separate the outer layer of the hot air flowing along the inner arc of the two arc-shaped plates 7 from the inner layer. The outer layer of hot air with a high water vapor content is guided to the outside of the multiple trays 3 through the gap between the ends of the two arc-shaped plates 7, thereby improving the drying effect.

[0022] like Figures 1 to 6As shown, this utility model discloses a multi-layer parallel air-feeding agricultural product drying device. During operation, multiple agricultural product trays are first placed on multiple trays 3. The heater and fan in the hot air box 1 are turned on, allowing hot air to enter the drying chamber of the drying box 2 through hot air inlet 4. The hot air then passes sequentially from bottom to top through the multiple trays 3 and returns to the hot air box 1 through hot air inlet 5, thus circulating and drying the agricultural products on the trays 3. After a period of drying, the fan in the hot air box 1 reverses direction, allowing hot air to enter the drying chamber of the drying box 2 through hot air inlet 5, and passing sequentially from top to bottom through the multiple trays. 3. The hot air returns to the hot air box 1 through the hot air outlet 4, allowing the hot air to circulate and dry the agricultural products on multiple trays 3. Both the desiccant box 14 and the desiccant box 2 15 are filled with desiccant. When the hot air circulates, it passes through the desiccant box 14 and the desiccant box 2 15. The desiccant in the desiccant box 14 and the desiccant box 2 15 absorbs the moisture in the hot air, making the hot air drier. This allows the hot air to dry the agricultural products in different directions. Finally, when the agricultural products are not being dried, the fan and heater of the hot air box 1 operate to dry and restore the desiccant in the desiccant box 14 and the desiccant box 2 15, so that the desiccant can be reused.

[0023] The main functions achieved by this utility model are: 1. A hot air guiding structure is formed by multiple arc-shaped plates 7, which allows hot air to flow between multiple trays 3, simplifying the structure of the air supply system; 2. By repeatedly adjusting the air outlet 4 and the air inlet 5, the agricultural products on the multiple trays 3 are heated evenly, thus improving the drying stability. 3. It can perform both internal and external circulation drying, resulting in high drying efficiency.

[0024] This utility model discloses a multi-layer parallel air supply agricultural product drying equipment. Its installation, connection, or setting methods are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented. The hot air box 1, drying box 2, tray 3, mounting base 6, arc plate 7, baffle 1 9, baffle 2 11, push cylinder 1 12, push cylinder 2 13, desiccant box 1 14, desiccant box 2 15, shaft 16, and handwheel 17 of this utility model are commercially available. Technical personnel in this industry only need to install and operate it according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0025] 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 invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A multi-layer parallel air-feeding agricultural product drying equipment, comprising a hot air box (1), a drying box (2), and multiple trays (3), wherein a fan and a heater are installed inside the hot air box (1), a drying chamber is installed inside the drying box (2), and multiple trays (3) are installed in parallel in the drying chamber of the drying box (2), with the multiple trays (3) arranged vertically; characterized in that, It also includes hot air inlet 1 (4), hot air inlet 2 (5), multiple mounting bases (6) and multiple arc plates (7). Hot air inlet 1 (4) is set at the lower part of the hot air box (1), and hot air inlet 2 (5) is set at the upper part of the hot air box (1). Hot air inlet 1 (4) is connected to the lower part of the drying chamber of the drying box (2), and hot air inlet 2 (5) is connected to the upper part of the drying chamber of the drying box (2). The lower edge of hot air inlet 1 (4) is flush with the upper surface of the bottommost support plate (3), and the lower edge of hot air inlet 2 (5) is flush with the upper surface of the topmost support plate (3). Multiple mounting bases (6) are installed in the drying chamber of the drying box (2). Multiple mounting bases (6) are located on both sides of multiple support plates (3). Multiple arc plates (7) are installed on multiple mounting bases (6). Multiple arc plates (7) are located on both sides of multiple support plates (3). Two arc plates (7) facing each other constitute air guide arc plates.

2. A multi-tiered parallel air supply agricultural product drying apparatus as claimed in claim 1, wherein, It also includes an air inlet 1 (8), a baffle 1 (9), an air inlet 2 (10) and a baffle 2 (11). The lower part of the hot air box (1) is provided with an air inlet 1 (8), which is opposite to and connected to the hot air inlet 1 (4). The baffle 1 (9) is hinged to the outer wall of the hot air box (1) and is used to close and open the air inlet 1 (8). The upper part of the hot air box (1) is provided with an air inlet 2 (10), which is opposite to and connected to the hot air inlet 2 (5). The baffle 2 (11) is hinged to the outer wall of the hot air box (1) and is used to close and open the air inlet 2 (10).

3. A multi-tiered, parallel air supply agricultural product drying apparatus as claimed in claim 2, wherein, It also includes push cylinder one (12) and push cylinder two (13). One end of push cylinder one (12) is installed on the hot air box (1), and the other end of push cylinder one (12) is rotatably connected to baffle one (9). One end of push cylinder two (13) is installed on the hot air box (1), and the other end of push cylinder two (13) is rotatably connected to baffle two (11).

4. A multi-tiered parallel air supply agricultural product drying apparatus as claimed in claim 2, wherein, It also includes a desiccant box one (14) and a desiccant box two (15). Both desiccant box one (14) and desiccant box two (15) can be detachably installed in the hot air box (1). Desiccant box one (14) is located between hot air inlet one (4) and air inlet one (8), and desiccant box two (15) is located between hot air inlet two (5) and air inlet two (10).

5. A multi-tiered, parallel air supply agricultural product drying apparatus as defined in claim 1, wherein, It also includes multiple shafts (16) and multiple handwheels (17). The multiple shafts (16) are rotatably mounted on multiple mounting seats (6), and multiple arc plates (7) are connected to the multiple shafts (16). Handwheels (17) are installed at the ends of the multiple shafts (16).

6. A multi-tiered, parallel air supply agricultural product drying apparatus as defined in claim 1, wherein, The pallet (3) is a grating plate.

7. A multi-tiered, parallel air supply agricultural product drying apparatus as claimed in claim 6, wherein, It also includes multiple hinge seats (18), multiple air guide plates (19) and multiple connecting rods (20). Multiple hinge seats (18) are installed on the lower end face of multiple trays (3). The upper ends of multiple air guide plates (19) are rotatably connected to multiple hinge seats (18) respectively. Multiple hinge seats (18) located below trays (3) are rotatably connected to connecting rods (20).

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