Agricultural product drying apparatus

Abstract

This invention relates to the field of agricultural product processing, and more particularly to agricultural product drying equipment, comprising a housing with a spiral material plate rotatably disposed inside, and a discharge port at the bottom of the housing; a feeding assembly that conveys agricultural products to the center of the spiral material plate; a first motor that drives the spiral material plate to rotate, causing the agricultural products to be spirally conducted from the inner opening of the spiral material plate to the outer opening for discharge; and a hot air assembly disposed on one side of the housing, with an exhaust window on the other side of the housing, through which hot air is conveyed and discharged through the exhaust window. This invention uses a rotating spiral material plate to conduct and dry agricultural products. The agricultural products enter through the inner port of the spiral channel, are conducted spirally, and are discharged through the outer port. The spiral drying path is relatively long, which can fully dry the agricultural products, and the equipment occupies little space, making it suitable for continuous drying and processing of large quantities of agricultural products.

Description

Technical Field

[0001] This invention relates to the field of agricultural product processing, and more particularly to agricultural product drying equipment. Background Technology

[0002] Agricultural products such as soybeans, wheat, and corn need to be dried before storage. Drying reduces the moisture content of agricultural products, decreases the probability of mold and insect infestation, and extends the storage time of agricultural products.

[0003] There are various types of traditional crop drying equipment. Box-type drying equipment involves feeding and taking out crops at set times, which is not suitable for continuous drying of large quantities of crops. Although conveyor belt drying equipment can achieve continuous drying operations, it is necessary to extend the drying path in order to achieve thorough drying, resulting in a large footprint and high investment costs. Summary of the Invention

[0004] The purpose of this invention is to solve the following problems existing in the prior art: Box-type drying equipment involves periodically putting in and taking out crops, which is not suitable for continuous drying of large quantities of crops. Although conveyor belt drying equipment can achieve continuous drying operations, it is necessary to extend the drying path in order to achieve full drying, resulting in a large equipment footprint and high investment costs.

[0005] To address the problems existing in the prior art, the present invention provides an agricultural product drying equipment, including a box body, a spiral material plate rotatably arranged inside the box body, and a discharge port provided at the bottom of the box body;

[0006] The feeding assembly conveys agricultural products to the center of the spiral feed plate;

[0007] The first motor drives the spiral plate to rotate, so that the agricultural products are gradually spiraled from the inner opening of the spiral plate to the outer opening and discharged.

[0008] The hot air assembly is located on one side of the housing, and an exhaust window is located on the other side of the housing. The hot air assembly delivers hot air through the spiral material plate and then discharges it through the exhaust window.

[0009] Preferably, the spiral material plate is encapsulated with ventilation mesh plates on both sides, and the interior of the spiral material plate is divided into multiple spiral channels by multiple isolation mesh plates.

[0010] Preferably, the feeding assembly includes a feeding pipe that extends to the center of the spiral feed plate, has a vent on its surface, a hopper connected to the outer end of the feeding pipe, and an auger that rotates inside the feeding pipe and is connected to a second motor.

[0011] Preferably, a return pipe is inclined on one side of the box body, the bottom of the return pipe is connected to the feed pipe, and the top of the return pipe is connected to the upper part of the side of the box body. A scraper is fixed on the surface of the spiral material plate, the scraper is inclined towards the return pipe, and the scraper slides in contact with the inner wall of the box body.

[0012] Preferably, a sealing door is installed inside the discharge port, and when the sealing door closes the discharge port, the inner edge surface of the box body forms a complete annular surface.

[0013] Preferably, the hot air assembly includes an expansion box that extends through the housing, a fan blade that is rotatably mounted inside the expansion box, the fan blade being driven by the first motor, and a heating wire being mounted on the side of the fan blade near the housing.

[0014] Preferably, a shaft is rotatably mounted on the surface of the expansion box, and the shaft is drivenly connected to a first motor. The fan blade is fixedly connected to a shaft rod, which is axially slidably inserted into the shaft rod through a keyway and a sliding key. The shaft rod is elastically connected to the shaft rod through a spring. A base is fixed inside the expansion box, and a push switch is provided on the surface of the base. The heating wire is electrically connected to the push switch. A pressing element is rotatably mounted at the end of the shaft rod. When the pressing element presses against the push switch, the heating wire circuit is disconnected.

[0015] Preferably, a plurality of inclined plates are arranged inside the spiral channel, and the inclined plates are inclined in the direction of agricultural product transmission.

[0016] Compared with related technologies, the agricultural product drying equipment provided by the present invention has the following beneficial effects:

[0017] This invention uses a rotating spiral plate to conduct and dry agricultural products. The agricultural products enter through the inner port of the spiral channel, are conducted through the spiral, and are discharged through the outer port. The spiral drying path is relatively long, which can fully dry the agricultural products. Moreover, the equipment occupies little space and is suitable for continuous drying and processing of large quantities of agricultural products. Attached Figure Description

[0018] Figure 1 This is one of the overall structural schematic diagrams of the present invention;

[0019] Figure 2 This is the second schematic diagram of the overall structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the internal structure of the housing of the present invention;

[0021] Figure 4 This is a schematic diagram of the spiral material plate structure of the present invention;

[0022] Figure 5 This is a schematic diagram of the inclined plate distribution structure of the present invention;

[0023] Figure 6 This is a schematic diagram of the feeding assembly structure of the present invention;

[0024] Figure 7 This is one of the schematic diagrams of the hot air assembly structure of the present invention;

[0025] Figure 8 This is a second schematic diagram of the hot air assembly structure of the present invention.

[0026] Numbered in the diagram: 1. Box body; 2. Hot air assembly; 21. Expansion box; 22. Fan blade; 23. Heating wire; 24. Base; 25. Push switch; 26. Pushing element; 27. Shaft; 28. Shaft cylinder; 29. ​​Keyway; 210. Sliding key; 3. First motor; 4. Exhaust window; 5. Feeding assembly; 51. Feeding pipe; 52. Screwdriver; 53. Second motor; 54. Hopper; 55. Exhaust outlet; 6. Spiral feed plate; 61. Ventilation mesh plate; 62. Isolation mesh plate; 7. Scraper; 71. Return pipe; 8. Inclined plate; 9. Discharge port; 91. Sealing door. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0028] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0029] Example 1

[0030] like Figure 1 , Figure 2 As shown, the agricultural product drying equipment includes a disc-shaped box 1 with a circular inner cavity. A discharge port 9 is opened at the bottom of the box 1, and a support is fixedly installed at the bottom of the box 1 to support the placement of the box 1.

[0031] like Figure 1 , Figure 3 , Figure 4 As shown, the spiral plate 6 is enclosed on both sides by a ventilation mesh plate 61. The spiral plate 6 is rotatably installed inside the housing 1. The first motor 3 is installed outside the housing 1. The output shaft of the first motor 3 is connected to the shaft end of the spiral plate 6 through belt drive.

[0032] like Figure 6 As shown, the feeding assembly 5 includes a feeding pipe 51, which is axially inserted from the center of the housing 1 to the center of the spiral feed plate 6. A strip-shaped vent 55 is opened on the surface of the feeding pipe 51. A hopper 54 is connected to the outer end of the feeding pipe 51. An auger 52 is rotatably installed inside the feeding pipe 51. The output shaft of the second motor 53 is connected to the auger 52.

[0033] like Figure 1 , Figure 2 As shown, the hot air assembly 2 is located on one side of the housing 1, and the height of the hot air assembly 2 is below the center of the housing 1. An exhaust window 4 is provided on the other side of the housing 1, and the height of the exhaust window 4 is above the center of the housing 1.

[0034] Agricultural products are placed in the hopper 54, and the second motor 53 is turned on to drive the auger 52 to rotate. The agricultural products enter the feed pipe 51 and are conveyed forward by the auger 52. The agricultural products are guided to the center of the spiral plate 6 through the vent 55. The spiral plate 6 is divided into multiple spiral channels by multiple isolation mesh plates 62. The first motor 3 is turned on to drive the spiral plate 6 to rotate. The agricultural products enter each spiral channel from the inner port of the spiral plate 6 and are spirally diffused and conducted outward along the spiral channel until they are discharged from the spiral channel from the outer port of the spiral plate 6. During the conduction of agricultural products, the hot air assembly 2 is turned on to drive hot air into the box 1. The hot air passes through the ventilation mesh plate 61 and heats and dries the agricultural products in the spiral channel. Then the gas is discharged from the exhaust window 4, and the dried agricultural products are discharged from the discharge port 9, realizing continuous drying processing of agricultural products.

[0035] like Figure 1 , Figure 7 As shown, the hot air assembly 2 includes an expansion box 21, which runs through the housing 1. The fan blade 22 is rotatably disposed inside the expansion box 21. The output shaft of the first motor 3 is connected to the fan blade 22 via a belt drive. A heating wire 23 is disposed on the side of the fan blade 22 near the housing 1.

[0036] While the first motor 3 drives the spiral plate 6 to rotate slowly, it also drives the fan blade 22 to rotate rapidly. The fan blade 22 drives the airflow into the box 1, and the heating wire 23 is energized to heat the airflow, forming hot air that enters the box 1.

[0037] like Figure 8 As shown, a shaft cylinder 28 is rotatably mounted on the outer surface of the expansion box 21. The shaft cylinder 28 is connected to the first motor 3. The fan blade 22 is fixedly connected to a shaft rod 27. A sliding key 210 is fixed on the surface of the shaft rod 27. A keyway 29 is opened on the inner wall of the shaft cylinder 28. The shaft rod 27 and the shaft cylinder 28 are axially slidably inserted through the keyway 29 and the sliding key 210. The shaft rod 27 is elastically connected to the shaft cylinder 28 by a spring. A base 24 is fixed inside the expansion box 21. A push switch 25 is provided on the surface of the base 24. The heating wire 23 is electrically connected to the push switch 25. A push member 26 is rotatably provided at the end of the shaft rod 27. The push member 26 is aligned with the push switch 25.

[0038] When the fan blade 22 rotates at low speed or stops, the spring force causes the pressing element 26 to press against the pressing switch 25, cutting off the circuit of the heating wire 23. This prevents the heating wire 23 from heating independently and causing heat accumulation, thus preventing agricultural products from overheating and catching fire. When the first motor 3 drives the shaft cylinder 28 to rotate, the torque transmission through the keyway 29 and slide key 210 causes the shaft 27 to drive the fan blade 22 to rotate synchronously. The fan blade 22 reaches a suitable speed, driving a large airflow. The airflow reaction force causes the fan blade 22 and shaft 27 to resist the spring force, causing the shaft 27 to retract axially into the shaft cylinder 28. The pressing element 26 disengages from the pressing switch 25, and the circuit of the heating wire 23 is turned on for heating. Sufficient airflow can quickly remove the heat generated by the heating wire 23, preventing overheating.

[0039] like Figure 5 As shown, several inclined plates 8 are arranged inside the spiral channel. The inclined plates 8 are inclined in the direction of agricultural product conduction. When the agricultural product is conducted in the spiral channel, it is guided and moved by the inclined plates 8, which makes the agricultural product turn over greatly, improves the heat uniformity of the agricultural product, and accelerates the drying efficiency.

[0040] Example 2

[0041] like Figure 2 , Figure 3 , Figure 4 As shown, a return pipe 71 is inclined on one side of the box body 1. The bottom of the return pipe 71 is connected to the feed pipe 51, and the top of the return pipe 71 is connected to the upper part of the side of the box body 1. A scraper 7 is fixed on the outer surface of the spiral material plate 6. The scraper 7 is inclined to the side of the return pipe 71. The scraper 7 slides in contact with the inner wall of the box body 1. A sealing door 91 is installed inside the discharge port 9. When the sealing door 91 closes the discharge port 9, the inner edge surface of the box body 1 forms a complete annular surface.

[0042] When drying easily dried agricultural products, the sealing door 91 can be opened, and the agricultural products can be directly discharged from the discharge port 9 after drying in the spiral channel. When drying agricultural products with high humidity, the sealing door 91 is closed to block the discharge port 9, so that the inner wall of the box 1 forms a complete annular surface. The agricultural products discharged from the spiral channel accumulate to the bottom of the box 1. The scraper 7 rotates with the spiral material plate 6. The scraper 7 scrapes the agricultural products at the bottom of the box 1 upward along the annular wall of the box 1, and the agricultural products gather at the lower end of the scraper 7. When the scraper 7 reaches the top of the return pipe 71, the agricultural products slide back into the feed pipe 51 from the return pipe 71 for secondary spiral conduction drying until the agricultural products are dried and then the sealing door 91 is opened and discharged from the discharge port 9.

Claims

1. Agricultural product drying equipment, characterized in that, include: Box (1), spiral material plate (6) is rotated inside the box (1), and discharge port (9) is provided at the bottom of the box (1). Feeding assembly (5) conveys agricultural products to the center of the spiral feed plate (6); The first motor (3) is used to drive the spiral plate (6) to rotate, so that the agricultural products are gradually spiraled from the inner opening of the spiral plate (6) to the outer opening and discharged. Hot air assembly (2) is set on one side of the box (1), and an exhaust window (4) is set on the other side of the box (1). The hot air assembly (2) delivers hot air through the spiral plate (6) and then discharges it through the exhaust window (4). The feeding assembly (5) includes a feeding pipe (51), which is inserted into the center of the spiral plate (6). A vent (55) is opened on the surface of the feeding pipe (51). A hopper (54) is connected to the outer end of the feeding pipe (51). An auger (52) is rotatably installed inside the feeding pipe (51). The auger (52) is connected to a second motor (53). A return pipe (71) is inclined on one side of the box (1). The bottom of the return pipe (71) is connected to the feed pipe (51), and the top of the return pipe (71) is connected to the upper part of the side of the box (1). A scraper (7) is fixed on the surface of the spiral material plate (6). The scraper (7) is inclined to the side of the return pipe (71) and slides in contact with the inner wall of the box (1). The discharge port (9) is equipped with a sealing door (91). When the sealing door (91) closes the discharge port (9), the inner edge surface of the box (1) forms a complete annular surface. The hot air assembly (2) includes an expansion box (21), which runs through the box body (1). A fan blade (22) is rotatably installed inside the expansion box (21). The fan blade (22) is connected to the first motor (3). A heating wire (23) is installed on the side of the fan blade (22) near the box body (1). The expansion box (21) has a rotating shaft (28) on its surface. The shaft (28) is connected to the first motor (3). The fan blade (22) is fixedly connected to a shaft (27). The shaft (27) is axially slidably inserted into the shaft (28) through a keyway (29) and a sliding key (210). The shaft (27) is elastically connected to the shaft (28) through a spring. A base (24) is fixed inside the expansion box (21). A push switch (25) is provided on the surface of the base (24). The heating wire (23) is electrically connected to the push switch (25). A pressing element (26) is rotatably provided at the end of the shaft (27). When the pressing element (26) presses against the push switch (25), the circuit of the heating wire (23) is disconnected.

2. The agricultural product drying equipment according to claim 1, characterized in that, The spiral plate (6) is encapsulated with ventilation mesh plates (61) on both sides, and the interior of the spiral plate (6) is divided into multiple spiral channels by multiple isolation mesh plates (62).

3. The agricultural product drying equipment according to claim 2, characterized in that, Several inclined plates (8) are arranged inside the spiral channel, and the inclined plates (8) are inclined in the direction of agricultural product transmission.

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