Rice drying and dedusting device

Abstract

The utility model relates to a rice drying and dust removing device, including main box body and the drying cylinder of rotation connection in main box body, be equipped with a plurality of through -hole on the drying cylinder, the main box body upper end is connected with the air supply spare, the main box body bottom is connected with the collection spare, the technical scheme of the present application has the beneficial technical effect: through the rotation design and through -hole structure of drying cylinder, cooperate air supply spare and form dynamic air circulation, realize the fast and even drying of rice, utilize the dust and moisture that the collection spare's negative pressure adsorption effect synchronously removes the dust and moisture that rice surface adheres, significantly improve processing efficiency and rice cleanness. Moreover, the rotation design of drying cylinder makes rice in the drying process present the tumbling state, avoids the partial overheating or extrusion breakage and uneven drying problem caused by the long time stationary of rice in the traditional drying mode. Cooperate the even air supply of through -hole, maximum limit keeps the integrity and nutrient component of rice, has improved the evenness of drying. The problem that the prior art is prone to drying incompletely is solved.

Description

Technical Field

[0001] This utility model relates to the field of grain production, specifically to a rice drying and dust removal device. Background Technology

[0002] As one of my country's main grain crops, rice requires careful attention to drying and dust removal during harvesting, storage, and processing to ensure its quality. Freshly harvested rice often contains high moisture content; if not dried promptly, it is prone to mold and sprouting, severely impacting its edible and commercial value. Furthermore, dust and impurities can easily contaminate the rice during harvesting and transportation, affecting not only its taste but also potentially carrying microorganisms that could harm human health. Therefore, efficient and thorough drying and dust removal are crucial for ensuring the quality of rice.

[0003] Traditional rice drying methods commonly include natural sun-drying and mechanical drying. Natural sun-drying depends on weather conditions and is greatly limited by season and region. Furthermore, it is prone to re-accumulation of dust and impurities during the drying process, resulting in low drying efficiency and difficulty in meeting the needs of large-scale production. While mechanical drying overcomes the limitations of natural conditions, traditional mechanical drying equipment often uses a static drying method. With rice piled together, uneven heating can easily occur, leading to some rice being over-dried and having a poorer taste, while other rice remains under-dried and at risk of mold.

[0004] Therefore, it is very necessary to provide a rice drying and dust removal device to solve the above-mentioned technical problems. Utility Model Content

[0005] Based on the above description, this utility model provides a rice drying and dust removal device to solve the problem that the existing technology using mechanical drying methods is prone to incomplete drying.

[0006] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A rice drying and dust removal device includes a main box and a drying cylinder rotatably connected to the main box. The inner cavity of the drying cylinder is used to contain rice to be dried. The drying cylinder is provided with several through holes. An air supply component is connected to the upper end of the main box. The air supply component is used to supply air to the inside of the drying cylinder through the through holes. A collection component is connected to the bottom of the main box. The collection component is used to absorb moisture and dust on the rice through the through holes.

[0007] Furthermore, the main housing is provided with a first chamber, a second chamber, and a third chamber, and the drying cylinder is rotatably connected to the second chamber; the main housing is connected to an inlet door and an outlet door on the side near the first chamber, and both the inlet door and the outlet door are connected to a first latch.

[0008] Furthermore, the drying cylinder is connected to several sets of rice baffles, all of which are L-shaped, with the opening direction of the L-shaped rice baffles corresponding to the rotation direction of the drying cylinder.

[0009] Furthermore, it also includes a second locking buckle, which includes a first locking rod rotatably connected to the drying cylinder, a first screw threadedly connected to the first locking rod, a cylinder cover connected to the side of the drying cylinder near the first chamber, a first locking ring connected to the cylinder cover, and the first screw being used to lock the cylinder cover when it abuts against the first locking ring.

[0010] Furthermore, a magnetic block is connected to the drying cylinder, and the first locking ring is made of metal. The magnetic block is used to connect the inside of the drying cylinder with the first chamber when it is magnetically connected to the first locking ring.

[0011] Furthermore, one end of the drying cylinder is connected to a first rotating rod, which is located in the first chamber and rotatably connected to the main body. The other end of the drying cylinder is connected to a second rotating rod, which is located in the third chamber and rotatably connected to the main body.

[0012] Furthermore, a drive motor is connected to the third chamber, a drive gear is connected to the drive end of the drive motor, a rotating gear is connected to the drive gear, and the rotating gear is connected to the second rotating rod.

[0013] Furthermore, the air supply component includes an air pump and an air supply pipe connected to the air pump, the air supply pipe being connected to the second chamber.

[0014] Furthermore, the collecting component includes a collecting box connected to the bottom of the second chamber, an air outlet pipe connected to the collecting box, and a dust collection bag connected to the air outlet pipe.

[0015] Furthermore, humidity detectors are connected to both the second chamber and the air outlet pipe.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0017] By utilizing the rotating design and perforated structure of the drying cylinder, combined with the air supply components to create a dynamic airflow circulation, the rice is dried quickly and evenly. Simultaneously, the negative pressure adsorption of the collecting components removes dust and moisture adhering to the rice surface, significantly improving processing efficiency and rice cleanliness. Furthermore, the rotating design of the drying cylinder keeps the rice tumbling during the drying process, avoiding the problems of localized overheating, crushing, and uneven drying caused by prolonged static drying in traditional methods. Combined with the uniform air supply through the perforations, this maximizes the preservation of the rice's integrity and nutritional components, further enhancing drying uniformity. This solves the problem of incomplete drying that often occurs with existing mechanical drying methods. Attached Figure Description

[0018] Figure 1 One of the overall structural schematic diagrams of a rice drying and dust removal device provided in this embodiment of the present utility model;

[0019] Figure 2 A second schematic diagram of the overall structure of a rice drying and dust removal device provided in this embodiment of the present utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of a rice drying and dust removal device after removing part of the main box, as provided in an embodiment of the present utility model.

[0021] Figure 4 One of the partial cross-sectional structural schematic diagrams of a rice drying and dust removal device provided in this embodiment of the present utility model;

[0022] Figure 5 This is the second partial cross-sectional structural schematic diagram of a rice drying and dust removal device provided in an embodiment of the present utility model;

[0023] Figure 6 for Figure 5 A magnified structural diagram of point Q.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Main chamber; 11. First chamber; 12. Second chamber; 13. Third chamber; 14. Feed door; 15. Discharge door; 16. First latch;

[0026] 2. Drying cylinder; 21. Through hole; 22. Rice baffle plate;

[0027] 23. Second latch; 231. First locking rod; 232. First screw; 233. First locking ring;

[0028] 24. Cylinder cap; 25. Magnetic block; 26. First rotating rod;

[0029] 27. Second rotating rod; 271. Rotating rod gear;

[0030] 3. Air supply components; 31. Air pump; 32. Air supply pipe;

[0031] 4. Collection components; 41. Collection box; 42. Exhaust pipe; 43. Dust collection bag;

[0032] 5. Drive motor; 51. Drive gear;

[0033] 6. Humidity detector. Detailed Implementation

[0034] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0035] 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 is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0036] It is understood that spatial relation terms such as "below," "under," "below," "below," "above," "above," etc., can be used here to describe the relationship between one element or feature shown in the figure and other elements or features. It should be understood that, in addition to the orientation shown in the figure, spatial relation terms also include different orientations of the device in use and operation. For example, if the device in the figure is flipped, the element or feature described as "below" or "below" of the other element or feature will be oriented "above" the other element or feature. Therefore, the exemplary terms "below" and "below" can include both upper and lower orientations. Furthermore, the device may also include other orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptive terms used herein will be interpreted accordingly.

[0037] It should be noted that when one element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediary element. In the following embodiments, "connection" should be understood as "electrical connection," "communication connection," etc., if the connected circuits, modules, units, etc., have the transmission of electrical signals or data between them.

[0038] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising,” “including,” or “having,” etc., specify the presence of the stated feature, whole, step, operation, component, part, or combination thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof.

[0039] like Figures 1 to 6 As shown, a rice drying and dust removal device includes a main housing 1 and a drying cylinder 2 rotatably connected inside the main housing 1. The inner cavity of the drying cylinder 2 is used to hold rice to be dried. The drying cylinder 2 is provided with several through holes 21. An air supply component 3 is connected to the upper end of the main housing 1. The air supply component 3 is used to supply air to the inside of the drying cylinder 2 through the through holes 21. A collection component 4 is connected to the bottom of the main housing 1. The collection component 4 is used to absorb moisture and dust on the rice through the through holes 21.

[0040] In this embodiment, the rotating design of the drying cylinder 2 and the through-hole structure 21, combined with the air supply component 3, form a dynamic airflow circulation, achieving rapid and uniform drying of rice. Simultaneously, the negative pressure adsorption of the collecting component 4 removes dust and moisture adhering to the rice surface, significantly improving processing efficiency and rice cleanliness. Furthermore, the rotating design of the drying cylinder 2 causes the rice to tumble during the drying process, avoiding localized overheating or crushing damage caused by prolonged static drying in traditional methods. Combined with the uniform air supply through the through-hole 21, this maximizes the preservation of the rice's integrity and nutritional components.

[0041] At the same time, the air supply component 3 and the collection component 4 work together to form a closed airflow system, which has high thermal energy utilization and reduces dust overflow, while also reducing the additional energy consumption of the dust removal process, which meets the requirements of green production.

[0042] In addition, the modular design of the main box 1 and the drying cylinder 2 makes it easy to disassemble and clean, and the reasonable layout of the through holes 21 prevents rice from clogging and is easy to maintain; the collection component 4 can quickly separate dust and moisture, simplify the subsequent processing procedures and reduce the intensity of manual labor.

[0043] Finally, the rotating connection between the drying cylinder 2 and the main housing 1 adopts a sealed bearing design, which effectively prevents dust from entering the mechanical parts and reduces wear; the independent adsorption system of the collection component 4 avoids moisture corrosion of the internal structure.

[0044] In some embodiments, the main housing 1 is provided with a first chamber 11, a second chamber 12 and a third chamber 13, and the drying cylinder 2 is rotatably connected in the second chamber 12; the main housing 1 is connected to a feed door 14 and a discharge door 15 on the side near the first chamber 11, and a first latch 16 is connected to both the feed door and the discharge door 15.

[0045] In this embodiment, the main chamber 1 is physically isolated by a first chamber 11, a second chamber 12, and a third chamber 13, achieving independent partitioning for feeding storage, drying, and discharge buffering. The drying cylinder 2 rotates only within the second chamber 12, avoiding interference with the drying environment during the feeding / discharging process, resulting in more precise temperature and humidity control and effectively improving drying efficiency.

[0046] In addition, the feed door 14 is located at the top, which facilitates the conveying of rice into the drying cylinder 2; the discharge door 15 is located at the bottom, which facilitates the output of rice. And the first latch 16 is used to lock the feed door 14 and the discharge door 15.

[0047] In some embodiments, a plurality of rice baffles 22 are connected inside the drying cylinder 2. The rice baffles 22 are all L-shaped, and the opening direction of the L-shaped rice baffles 22 corresponds to the rotation direction of the drying cylinder 2.

[0048] In some embodiments, a second latch 23 is further included. The second latch 23 includes a first locking rod 231 rotatably connected to the drying cylinder 2. A first screw 232 is threaded onto the first locking rod 231. A cylinder cover 24 is connected to the side of the drying cylinder 2 near the first chamber 11. A first locking ring 233 is connected to the cylinder cover 24. The first screw 232 is used to lock the cylinder cover 24 when it abuts against the first locking ring 233.

[0049] In this embodiment, the design of the first latch 16 is similar to that of the second latch 23, and will not be described in detail here.

[0050] In some embodiments, a magnetic block 25 is connected to the drying cylinder 2, the first locking ring 233 is made of metal, and the magnetic block 25 is used to connect the interior of the drying cylinder 2 with the first chamber 11 when it is magnetically connected with the first locking ring 233.

[0051] In this embodiment, the magnetic block 25 ensures that the cylinder cover 24 remains in a fixed position after it is opened.

[0052] In some embodiments, one end of the drying cylinder 2 is connected to a first rotating rod 26, which is located in the first chamber 11 and is rotatably connected to the main housing 1. The other end of the drying cylinder 2 is connected to a second rotating rod 27, which is located in the third chamber 13 and is rotatably connected to the main housing 1.

[0053] In this embodiment, the first rotating rod 26 and the second rotating rod 27 are rotatably connected to the main housing 1. Bearings are respectively provided between the first rotating rod 26 and the main housing 1 and between the second rotating rod 27 and the main housing 1 to improve the stability of rotation and service life. This should also fall within the protection scope of this application.

[0054] In some embodiments, a drive motor 5 is connected to the third chamber 13, a drive gear 51 is connected to the drive end of the drive motor 5, a rotating gear 271 is connected to the drive gear 51, and the rotating gear 271 is connected to the second rotating rod 27.

[0055] In this embodiment, the drive motor 5, independently installed in the third chamber 13, transmits power precisely to the second rotating rod 27 through the meshing of the drive gear 51 and the rotating rod gear 271, driving the drying cylinder 2 to rotate stably. The gear ratio can be dynamically adjusted according to the rice variety, such as indica rice, japonica rice, or initial moisture content. For example, by using a variable frequency motor, the rotation speed of the drying cylinder can be steplessly adjusted within the range of 5-30 rpm, matching the rice tumbling frequency with the airflow speed of the air supply component 3. The drive motor 5 supports the RS485 / Modbus communication protocol and can be connected to the MES system to optimize the rotation speed and drying time using historical data.

[0056] In some embodiments, the air supply component 3 includes an air pump 31 and an air supply pipe 32 connected to the air pump 31, the air supply pipe 32 being connected to the second chamber 12.

[0057] In this embodiment, the air pump 31 can continuously deliver a stable dry airflow through the air supply duct 32 into the second chamber 12. Furthermore, the installation of a heating wire within the air supply duct 32 to regulate the air supply temperature should also fall within the scope of this application.

[0058] In some embodiments, the collecting component 4 includes a collecting box 41 connected to the bottom of the second chamber 12, an air outlet pipe 42 connected to the collecting box 41, and a dust collection bag 43 connected to the air outlet pipe 42.

[0059] In this embodiment, the collection box 41 is used to collect dust and moisture in the second chamber 12, and the dust collection bag 43 can collect dust. When the collection bag 43 is full, the dust in the dust collection bag 43 is cleaned at specific points. In addition, a water outlet can be provided on the collection box 41 to release the moisture in the collection box 41.

[0060] In some embodiments, a humidity detector 6 is connected to both the second chamber 12 and the air outlet pipe 42.

[0061] In this embodiment, the humidity detector 6 on the second chamber 12 is used to detect the moisture in the second chamber 12, and the humidity detector 6 on the exhaust pipe 42 is used to detect the humidity inside the exhaust pipe 42. Thus, the rate of conveying dry gas can be adjusted according to the humidity of the second chamber 12 and the exhaust pipe 42, thereby improving the energy efficiency.

[0062] Example 1:

[0063] The drying cylinder 2 has a cylindrical hollow structure and is arranged horizontally. It is made entirely of food-grade stainless steel, with several through holes 21 evenly distributed on the cylinder wall. The diameter of the through holes 21 is adaptively adjusted according to the diameter of the rice; for example, 3-5 mm for rice with a diameter of 6-8 mm, ensuring airflow while preventing rice leakage. A first rotating rod 26 and a second rotating rod 27 are welded to both ends of the drying cylinder 2. The first rotating rod 26 is rotatably connected to the side wall of the main housing 1 corresponding to the first chamber 11 via bearings, and the second rotating rod 27 is similarly rotatably connected to the side wall of the main housing 1 corresponding to the third chamber 13 via bearings, allowing the drying cylinder 2 to suspend and rotate within the second chamber 12. A lid 24 is connected to one end of the drying cylinder 2 near the first chamber 11 via a hinge. A metal locking ring 233 is installed on the edge of the lid 24. A magnetic block 25 is fixed at the corresponding position on the drying cylinder 2. The magnetic block 25 and the first locking ring 233 magnetically engage to achieve initial positioning of the lid 24, while the lid is further secured by a second locking buckle 23. The second locking buckle 23 consists of a first locking rod 231 and a first screw 232. One end of the first locking rod 231 is rotatably connected to the outer wall of the drying cylinder 2 via a pivot, and the other end is threadedly connected to the first screw 232. When the lid 24 is closed, rotating the first locking rod 231 causes the first screw 232 to abut against the first locking ring 233, and tightening the first screw 232 completes the locking of the lid 24. Inside the drying cylinder 2, several sets of rice baffles 22 are welded at equal intervals along the axial direction. Each set of rice baffles 22 includes 2-3 parallel L-shaped steel plates. The opening direction of the L-shaped rice baffles 22 is consistent with the rotation direction of the drying cylinder 2. When the drying cylinder 2 rotates, the rice baffles 22 can flip the rice upwards and sprinkle it down, so as to achieve the uniform spreading of the rice.

[0064] The drive motor 5 is fixed in the third chamber 13 by bolts. The drive motor 5 is a servo motor. Its drive end is fixed with a drive gear 51 by a key. The second rotating rod 27 is located at one end of the third chamber 13 and is fixed with a rotating rod gear 271 by a key. Through gear meshing, the drive motor 5 can drive the second rotating rod 27 and the drying cylinder 2 to rotate smoothly.

[0065] An air supply component 3 is fixed to the upper end of the main housing 1 by a bracket. The air supply component 3 consists of an air pump 31 and an air supply pipe 32. The air pump 31 is a hot air blower that can output hot air at a temperature of 40-60℃. The air supply pipe 32 is made of high-temperature resistant silicone tubing. One end is connected to the air outlet of the air pump 31, and the other end extends through the top of the main housing 1 into the second chamber 12. The pipe opening faces the upper part of the drying cylinder 2 to ensure that the hot air can be evenly blown into the interior of the drying cylinder 2 through the through hole 21.

[0066] A collection box 41 is welded to the bottom of the main body 1, corresponding to the position of the second chamber 12. The collection box 41 has a funnel-shaped structure, and the bottom outlet is connected to an air outlet pipe 42 via a flange. The end of the air outlet pipe 42 is connected to a dust collection bag 43 via a snap-fit. The dust collection bag 43 is made of non-woven fabric and can filter dust and moisture. The airflow in the second chamber 12 carries moisture and dust downwards under the action of gravity, and after being collected by the collection box 41, it enters the air outlet pipe 42. Finally, the dust collection bag 43 completes the adsorption of moisture and collection of dust.

[0067] Humidity detectors 6 are threadedly connected to the inner wall of the second chamber 12 and the middle of the air supply pipe 32. The humidity detectors 6 are high-precision temperature and humidity sensors that can monitor the ambient humidity in the second chamber 12 and the humidity in the air supply in real time. The monitoring data is transmitted to the display screen outside the main body 1 through wires, so that the operator can keep track of the drying progress.

[0068] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0069] By utilizing the rotating design and perforated structure of the drying cylinder, combined with the air supply components to create a dynamic airflow circulation, the rice is dried quickly and evenly. Simultaneously, the negative pressure adsorption of the collecting components removes dust and moisture adhering to the rice surface, significantly improving processing efficiency and rice cleanliness. Furthermore, the rotating design of the drying cylinder keeps the rice tumbling during the drying process, avoiding the problems of localized overheating, crushing, and uneven drying caused by prolonged static drying in traditional methods. Combined with the uniform air supply through the perforations, this maximizes the preservation of the rice's integrity and nutritional components, further enhancing drying uniformity. This solves the problem of incomplete drying that often occurs with existing mechanical drying methods.

[0070] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rice drying and dust removal device, characterized in that, The device includes a main housing (1) and a drying cylinder (2) rotatably connected inside the main housing (1). The inner cavity of the drying cylinder (2) is used to hold rice to be dried. The drying cylinder (2) is provided with several through holes (21). An air supply component (3) is connected to the upper end of the main housing (1). The air supply component (3) is used to supply air to the inside of the drying cylinder (2) through the through holes (21). A collection component (4) is connected to the bottom of the main housing (1). The collection component (4) is used to absorb moisture and dust on the rice through the through holes (21).

2. The rice drying dust removal device according to claim 1, characterized in that, The main housing (1) is provided with a first chamber (11), a second chamber (12) and a third chamber (13). The drying cylinder (2) is rotatably connected in the second chamber (12). The main housing (1) is connected to a feed door (14) and a discharge door (15) on the side near the first chamber (11). The feed door and the discharge door (15) are both connected with a first latch (16).

3. The rice drying dust removal device according to claim 1, characterized in that, The drying cylinder (2) is connected to several sets of rice baffles (22), and the rice baffles (22) are all L-shaped. The opening direction of the L-shaped rice baffles (22) corresponds to the rotation direction of the drying cylinder (2).

4. The rice drying dust removal device according to claim 2, characterized in that, It also includes a second latch (23), which includes a first locking rod (231) rotatably connected to the drying cylinder (2), a first screw (232) threadedly connected to the first locking rod (231), a cylinder cover (24) connected to the side of the drying cylinder (2) near the first chamber (11), a first locking ring (233) connected to the cylinder cover (24), and the first screw (232) used to lock the cylinder cover (24) when it abuts against the first locking ring (233).

5. A rice drying dust removal device according to claim 4, characterized in that, A magnetic block (25) is connected to the drying cylinder (2). The first locking ring (233) is made of metal. The magnetic block (25) is used to connect the inside of the drying cylinder (2) with the first chamber (11) when it is magnetically connected with the first locking ring (233).

6. The rice drying dust removal device according to claim 2, characterized in that, One end of the drying cylinder (2) is connected to a first rotating rod (26), which is located in the first chamber (11) and is rotatably connected to the main body (1). The other end of the drying cylinder (2) is connected to a second rotating rod (27), which is located in the third chamber (13) and is rotatably connected to the main body (1).

7. The rice drying dust removal device according to claim 6, characterized in that, The third chamber (13) is connected to a drive motor (5), the drive end of the drive motor (5) is connected to a drive gear (51), the drive gear (51) is connected to a rotating gear (271), and the rotating gear (271) is connected to the second rotating rod (27).

8. A rice drying dust removal device according to claim 2, characterized in that, The air supply component (3) includes an air pump (31) and an air supply pipe (32) connected to the air pump (31), the air supply pipe (32) being connected to the top of the second chamber (12).

9. A rice drying and dust removal device according to claim 2, characterized in that, The collection device (4) includes a collection box (41) connected to the bottom of the second chamber (12), an air outlet pipe (42) connected to the collection box (41), and a dust collection bag (43) connected to the air outlet pipe (42).

10. A rice drying dust removal device according to claim 9, characterized in that, Humidity detectors (6) are connected to both the second chamber (12) and the air outlet pipe (42).

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