CN111938010A - An intelligent solar drying field system and using method thereof - Google Patents

Abstract

The invention relates to an intelligent solar drying field system, which comprises a plate chain, a driving wheel, a material spreading mechanism, a drying mechanism, a collecting bucket, a cleaning device, a dryer and a central control machine, and the plate chain is sleeved outside the driving wheel. , the driving wheel drives the plate chain to drive, and the plate chain passes through the spreading mechanism, the drying mechanism, the collection bucket, the cleaning device and the dryer in turn. The spreading mechanism is used to spread the raw materials on the plate chain, and the drying mechanism includes the sun drying area. The sunshade area is equipped with a humidity sensor and a light sensor. The central control machine controls the operation or stop of the spreading mechanism according to the signals transmitted by the humidity sensor and the light sensor, and the central control machine controls the rain cover according to the signals transmitted by the humidity sensor. The shed shrinks or expands toward the sun drying area. The collecting bucket is located on one side of the plate chain. The collecting bucket is used to collect the raw materials after sun exposure. The cleaning device is used to clean the plate chain, and the dryer is used to dry the plate chain. The whole process of making candied fruit is fully automated from spreading to equipment cleaning, which improves production efficiency.

Description

An intelligent solar drying field system and using method thereof

technical field

The invention relates to the technical field of fruit processing, in particular to an intelligent solar drying field system and a method for using the same.

Background technique

Candied fruit is a local characteristic leisure fruit and vegetable product made of green plum, Sanhua plum and olive through salting, drying embryo storage, desalting and sugaring, or directly sugaring and drying of other fresh fruits, with an annual output value of more than 20 billion yuan. . The use of solar energy to dry the candied fruit has the advantages of green and energy saving. Traditional candied fruit processing enterprises mostly use the traditional drying field to dry the products directly on the cement floor or plastic cloth. When it encounters rainy weather, it is usually necessary to cover the curtain by hand to keep out the rain, which is very inefficient.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an intelligent tanning field system and a method of using the same, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present invention adopts the following technical scheme: an intelligent solar drying field system, which includes a plate chain, a driving wheel, a material spreading mechanism, a drying mechanism, a collection bucket, a cleaning device, a dryer and a central control. The plate chain is sleeved outside the drive wheel, the drive wheel drives the plate chain to drive, and the plate chain passes through the material spreading mechanism, the drying mechanism, the collection bucket, the The cleaning device, the dryer, the spreading mechanism is used to provide raw materials and spread the raw materials on the plate chain, the drying mechanism includes a sun drying area and a rain shelter, and the rain shelter is fixed On one side of the sun-tanning area, a humidity sensor and a light sensor are provided in the sun-tanning area, and the central control unit is electrically connected to the humidity sensor and the light sensor, respectively, and the central control unit is based on the humidity The signals transmitted by the sensor and the light sensor control the operation or stop of the spreading mechanism, and the central control computer controls the canopy to shrink or expand to the sun-drying area according to the signals transmitted by the humidity sensor. The collection bucket is located on one side of the plate chain, and the collection bucket is used to collect the raw materials after sun exposure, the cleaning device is used to clean the plate chain, and the dryer is used to dry the plate chain.

Further, the material spreading mechanism includes a hopper and a drum, the surface of the drum is provided with a plurality of grooves, the grooves are distributed at intervals, the grooves rotate with the rotation of the drum, and the grooves are located in the Above the initial end of the plate chain, the side of the drum facing the plate chain is provided with a stopper. When the drum rotates, the stopper blocks the horizontally oriented groove, and the hopper is located above the drum. The hopper is provided with an output port, and the output port faces the top end of the drum.

Further, the grooves are arranged in multiple rows along the axial direction of the drum, and the grooves in each row are distributed at intervals.

Further, a cylinder is provided on one side of the collection bucket, a push plate is connected to the cylinder, the push plate is above the plate chain, and the cylinder pushes the push rod through the plate chain and toward the Move in the direction of the inlet of the collection bucket.

Further, the cleaning device includes a first cleaning mechanism, a first brush roller, a first water collection tank, a cleaning tank, a second cleaning mechanism, and a second water collection tank, and the plate chain passes through the first cleaning mechanism, The first brush roller, the cleaning tank, and the second cleaning mechanism, the first cleaning mechanism includes a plurality of first nozzles, the first nozzles face the plate chain, and the first brush The roller is in contact with the upper surface of the plate chain, the first cleaning mechanism and the first brush roller are both located directly above the first water collecting tank, the plate chain is immersed in the cleaning tank, the The second cleaning mechanism includes a plurality of second nozzles, the second nozzles face the plate chain, and the second cleaning mechanism is located just above the second water collecting tank.

Further, the first cleaning mechanism includes four groups of first nozzles, and the orientation of the first nozzles is inclined relative to the plate surface of the plate chain, and the four groups of first nozzles are surrounded by the plate chain and are distributed in a rectangular shape , the first nozzle and the plate chain are mutually staggered in the vertical direction.

Further, a scissor mechanism is provided below the cleaning tank, the scissor mechanism is connected with the cleaning tank, and the scissor mechanism is used to control the lifting and lowering of the cleaning tank.

Further, the cleaning device further includes a second brush roller, the second brush roller is in contact with the upper surface of the plate chain, and the second brush roller is located in the cleaning tank and the second brush roller. between the cleaning mechanisms, and the second brush roller is located just above the second water collecting tank.

Further, a sterilization lamp is provided below the driving wheel, and the sterilization lamp illuminates the plate chain.

A method for using an intelligent solar drying field system, comprising the following steps: the central control computer establishes a first threshold value and a second threshold value; the central control computer receives signals from the light sensor and the humidity sensor, When the signal sent by the light sensor is greater than the first threshold and the signal sent by the humidity sensor is less than the second threshold, the central control computer controls the operation of the material spreading mechanism, and the material spreading mechanism operates on the board The raw material is laid on the chain, the plate chain starts to drive, and the plate chain brings the raw material to the sun drying area for sun exposure; the central control machine continuously receives the signal of the humidity sensor, when the signal sent by the humidity sensor is greater than At the second threshold, the canopy expands toward the sun drying area; the plate chain transports the raw materials to one side of the collection bucket, and loads the raw materials into the collection bucket; the plate chain drives to the The cleaning device is cleaned and then transmitted to the dryer for drying.

The beneficial effects of the invention are as follows: the central control machine cooperates with the humidity sensor and the light sensor, so as to realize automatic and high-efficiency paving, and avoid rainwater from affecting the quality of the raw materials, and the whole process of making candied fruit starts from paving. To equipment cleaning to achieve full automation, improve production efficiency.

Description of drawings

The accompanying drawings further illustrate the present invention, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

FIG. 1 is a schematic structural diagram provided by an embodiment of the present invention;

Fig. 2 is the structural representation of material spreading mechanism and drying mechanism;

Fig. 3 is the structural representation of the drum;

Fig. 4 is the structural representation of push plate;

5 is a schematic structural diagram of a cleaning device;

FIG. 6 is a schematic structural diagram of the first cleaning mechanism.

Detailed ways

As shown in Figures 1-3, an intelligent solar drying field system includes a plate chain 1, a spreading mechanism, a drying mechanism, a collection bucket 2, a cleaning device and a dryer 3, a driving wheel and a central control machine. The plate chain 1 is sleeved outside the drive wheel 23, the drive wheel 23 drives the plate chain 1 to drive, wherein the drive wheel 23 is driven to rotate by a servo motor, and the plate chain 1 passes through the paving material in sequence. mechanism, the drying mechanism, the collection bucket 2, the cleaning device, the dryer 3, and finally return to the spreading mechanism to form a cycle. The material spreading mechanism includes a hopper 4 and a drum 5, the axial direction of the drum 5 extends in the horizontal direction, the drum 5 is located above the initial end of the plate chain 1, and the drum 5 faces one end of the plate chain 1. Rotate face down. The hopper 4 is located above the drum 5, and the hopper 4 is provided with an output port, and the output port faces the top of the drum 5. The hopper 4 is used for loading raw materials, and the raw materials are fruits to be dried, wherein The output port of the hopper 4 is provided with a solenoid valve, and the fruit in the hopper 4 is controlled to fall from the output port through the switch of the solenoid valve, and the fruit will fall on the drum 5 after it comes out of the output port. the top of the.

As shown in Figures 1-4, the surface of the drum 5 is provided with a plurality of grooves 6, the grooves 6 are used to receive the fruit to be dried, and each groove 6 can only accommodate one fruit, so The groove 6 is located above the initial end of the plate chain 1 . The grooves 6 are distributed at intervals, and the grooves 6 are arranged in multiple rows along the axial direction of the drum 5, and the grooves 6 in each row are distributed at intervals. The grooves 6 rotate with the rotation of the drum 5. After the battery valve of the hopper 4 is opened, the fruit is output from the hopper 4 and falls on the top of the drum 5, and some fruits roll into the groove 6 at the top of the drum 5 with the rotation of the drum 5 until the When the groove 6 containing the fruit rotates downward with the drum 5, the fruit falls on the plate chain 1. Since the grooves 6 are arranged at intervals in a row, the fruit falling on the plate chain 1 can also be arranged in a row. spaced arrangement. The side of the roller 5 facing the plate chain 1 is provided with a stopper 7, and the side of the stopper 7 facing the roller 5 is an arc surface, and the arc surface matches the curved surface of the roller 5, so There is only a gap that cannot pass through the fruit between the stopper 7 and the drum 5. When the drum 5 rotates, the stopper 7 blocks the horizontally oriented groove 6, and the stopper 7 is used for Restrict the fruit from coming out of the groove 6, and ensure that the fruit can only come out from the groove 6 when the groove 6 is facing downwards. The drying mechanism includes a sun drying area 8 and a rain shelter 9, the sun drying area 8 is located on one side of the rain shelter 9, and the rain shelter 9 is located above the plate chain 1, wherein the The canopy 9 is a foldable canopy controlled by a motor. The motor drives the curtain of the canopy 9 to expand or shrink. When it rains, the curtain of the canopy 9 is pulled toward the direction of the material spreading mechanism. And unfolding, such processing can save the space occupied by the canopy 9 . The sun drying area 8 is provided with a humidity sensor and a light sensor, the central control unit is electrically connected to the humidity sensor and the light sensor respectively, and the central control unit is based on the information transmitted by the humidity sensor and the light sensor. The signal controls the operation or stop of the spreading mechanism. When the humidity sensor detects that the humidity is too high, or the light sensor detects that the sunlight is insufficient, the spreading mechanism stops running to avoid failure to dry the fruit. The central control computer controls the canopy 9 to shrink or expand to the sun-tanning area 8 according to the signal transmitted by the humidity sensor. When the humidity sensor detects that the surrounding humidity is high and it may rain, the The controller can control the canopy 9 to unfold to prevent the fruit from being exposed to rainwater. By cooperating with the humidity sensor and the light sensor, the central control machine can realize automatic and high-efficiency paving, and prevent rainwater from affecting the quality of the raw materials.

As shown in FIGS. 1-4 , the collecting bucket 2 is located on the side of the plate chain 1 , and a cylinder 11 is provided on one side of the collecting bucket 2 , and a push plate 10 is connected to the cylinder 11 . The plate 10 is fixed on the piston rod of the cylinder 11, the push plate 10 is above the plate chain 1, and the distance between the push plate 10 and the plate chain 1 cannot pass through the fruit, the cylinder 11 Push the push plate 10 to move back and forth above the plate chain 1, and the movement direction of the push plate 10 is perpendicular to the transmission direction of the plate chain 1, the cylinder 11 can push the push rod through the plate The chain 1 moves toward the direction of the entrance of the collecting bucket 2 , and pushes the dried fruit on the plate chain 1 into the collecting bucket 2 . In other embodiments, the sun-dried fruit on the plate chain 1 can also be put into the collection bucket 2 by hand.

As shown in FIGS. 1-6 , the cleaning device includes a plurality of first nozzles 19 , and the first nozzles 19 face the plate chain 1 , because when the plate chain 1 is drying the fruit, the nutrients in the fruit are very high. It is easy to remain on the plate chain 1 and form dirt, the cleaning device can clean the plate chain 1, and the cleaned plate chain 1 is transmitted to the dryer 3, so that the dryer 3 dries the plate chain 1, It is convenient to use next time, and the dryer 3 can adopt the drying equipment commonly used in the market, and there is no need to improve the dryer 3 . The spreading mechanism arranges the dried fruits through the drum 5, eliminating the process of manpower spreading the fruits, and the whole process of making candied fruit is fully automated from spreading to equipment cleaning, which improves production efficiency. The cleaning device includes a first cleaning mechanism 12, a first brush roller 13, a first water collecting tank 14, a cleaning tank 15, a second cleaning mechanism 16, a second water collecting tank 17 and a second brush roller 18. The chain 1 passes through the first cleaning mechanism 12, the first brush roller 13, the cleaning tank 15, the second brush roller 18, and the second cleaning mechanism 16 in sequence. The first cleaning mechanism 12 includes Four groups of first nozzles 19 , the first nozzles 19 are connected to a water pipe and a water pump, the spray heads of the first nozzles 19 face the plate chain 1 , and the first nozzles 19 are oriented relative to the plate chain 1 . When the plate surface is inclined, the first nozzles 19 wash the plate chain 1 with high-pressure water, so as to wash off the dirt on the plate chain 1 , wherein, four groups of first nozzles 19 surround the plate chain 1 and Rectangular distribution, the first nozzle 19 and the plate chain 1 are vertically staggered from each other, so as to ensure that when the plate chain 1 passes through the first cleaning mechanism 12, the upper and lower plates of the plate chain 1 The surfaces can be fully cleaned, and the first nozzle 19 will not be polluted by the flushed sewage.

As shown in Figures 1-5, the first brush roller 13 is in contact with the upper surface of the plate chain 1, and the first brush roller 13 is driven by a motor to rotate, and when the plate chain 1 passes through the After the first cleaning mechanism 12 is cleaned, the first brush roller 13 will scrape off the dirt adhering to the plate chain 1 . Both the first cleaning mechanism 12 and the first brush roller 13 are located directly above the first water collection tank 14 , and the sewage generated by the first cleaning mechanism 12 after cleaning can fall into the first water collection tank 14 and the dirt scraped by the first brush roller 13 can also fall into the first water collecting tank 14 along the water. After the plate chain 1 is washed by the first brush roller 13, the plate chain 1 is driven to the cleaning tank 15 and immersed in the cleaning tank 15, and the cleaning tank 15 uses the liquid in the tank to dissolve the adhesive. The dirt on the plate chain 1, wherein the cleaning tank 15 can be selected according to the actual needs of an appropriate size, so as to prolong the time that the plate chain 1 is immersed in the cleaning tank 15, and the cleaning tank 15 can be filled with tap water or detergent solution. The second brush roller 18 is in contact with the upper surface of the plate chain 1, the second brush roller 18 is located between the cleaning tank 15 and the second cleaning mechanism 16, and the second The brush roller 18 is located directly above the second water collection tank 17 , and the dirt scraped by the second brush roller 18 can also fall into the second water collection tank 17 along the water, and be cleaned by the cleaning tank 15 The rear plate chain 1 is transmitted to the second brush roller 18 , and the second brush roller 18 scrapes off the dirt softened by soaking to ensure that the plate chain 1 does not have stubborn dirt remaining.

As shown in FIGS. 1-5 , the second cleaning mechanism 16 includes a plurality of second nozzles 20 , the second nozzles 20 face the plate chain 1 , and the second cleaning mechanism 16 is located in the second set Right above the water tank 17 , the sewage generated by the second cleaning mechanism 16 can fall into the second water collecting tank 17 . The second cleaning mechanism 16 includes four groups of second nozzles 20 . The spray heads of the second nozzles 20 face the plate chain 1 , and the orientation of the second nozzles 20 is inclined relative to the plate surface of the plate chain 1 . The second nozzle 20 can wash away the sewage remaining on the plate chain 1 . Four groups of second nozzles 20 surround the plate chain 1 and are distributed in a rectangular shape. The second nozzles 20 and the plate chain 1 are not in the same vertical direction, so as to ensure that the plate chain 1 passes through the second nozzle. When cleaning the mechanism 16 , the upper and lower plate surfaces of the plate chain 1 can be sufficiently cleaned again, and the second nozzle 20 will not be polluted by the rinsed sewage. After the plate chain 1 washed by the second cleaning mechanism 16 is dried by the dryer 3, the cleaning of the entire plate chain 1 is completed, and the plate chain 1 is washed repeatedly through multiple links. , to ensure that the plate chain 1 has no dirt residue, so as to avoid affecting the future use of the plate chain 1. A sterilization lamp 24 is arranged below the driving wheel 23, and the sterilization lamp 24 illuminates the plate chain. After the plate chain 1 is cleaned, it is then driven in the direction of the material spreading mechanism, ready to be let down. The material spreading mechanism performs the next material spreading, and is sterilized by the sterilization lamp 24 on the way to ensure that the plate chain 1 will not contaminate the raw materials when the raw materials are transported next time.

As shown in FIGS. 3-5 , the water outlet of the first nozzle 19 is oriented at an angle of 45 degrees to the plate surface of the plate chain 1 , which can ensure that the first nozzle 19 is oriented to the plate chain 1 . Efficient scouring is carried out, so that dirt is quickly stripped from the plate chain 1 . The cleaning device further includes a guide mechanism, the guide mechanism includes a first guide roller, a second guide roller, a third guide roller and a fourth guide roller, and the plate chain 1 passes through the first guide roller, the The second guide roller, the third guide roller, the fourth guide roller, the second guide roller and the third guide roller are lower than the first guide roller and the fourth guide roller, the The second guide roller and the third guide roller are located in the cleaning tank 15 . The plate chain 1 first passes through the first guide roller and turns to extend downward and is immersed in the cleaning tank 15 , and then passes through the cleaning tank 15 . The second guide roller turns to extend in the horizontal direction, then turns to extend obliquely upward through the third guide roller, and finally turns to extend in the horizontal direction through the fourth guide roller. A scissor mechanism 21 is provided below the cleaning tank 15, the scissor mechanism 21 is connected to the cleaning tank 15, and the scissors mechanism 21 is used to control the lifting and lowering of the cleaning tank 15, and the When the chain 1 is cleaned, the cleaning tank 15 can be lowered by the scissor mechanism 21 to avoid corrosion of the plate chain 1 after being immersed in the liquid for a long time. The cleaning device further includes a recovery mechanism 22, the water outlet of the first water collection tank 14, the water outlet of the second water collection tank 17 and the water outlet of the cleaning tank 15 are communicated with the recovery mechanism 22, wherein The recycling mechanism 22 can use existing sewage and waste treatment devices to recycle the sewage and dirt generated in the cleaning process. The water outlet of the cleaning tank 15 is provided with a solenoid valve for controlling the switch. When the staff sees that the liquid in the cleaning tank 15 becomes turbid, the solenoid valve of the cleaning tank 15 can be opened to replace the inside of the cleaning tank 15. dirty water.

As shown in Figures 1-5, a method for using an intelligent solar drying field system includes the following steps, wherein the central control machine establishes a first threshold and a second threshold. The central control computer receives the signals of the light sensor and the humidity sensor, and when the signal sent by the light sensor is greater than the first threshold, and the signal sent by the humidity sensor is less than the second threshold, the middle The control machine controls the operation of the material spreading mechanism, the material spreading mechanism lays the raw material on the plate chain 1, the plate chain 1 starts to drive, and the plate 1 chain brings the material to the sun drying area for sun exposure ; When the signal sent by the light sensor is less than the first threshold, or the signal sent by the humidity sensor is greater than the second threshold, the central control machine closes the material spreading mechanism. The central control computer continues to receive the signal from the humidity sensor, and when the signal sent by the humidity sensor is greater than the second threshold, the canopy 9 is deployed in the direction of the sun drying area; when the signal sent by the humidity sensor is greater than the second threshold When the value is less than or equal to the second threshold, the canopy 9 is retracted. The plate chain 1 transports the raw materials to one side of the collection bucket 2 , and loads the raw materials into the collection bucket 2 . Finally, the plate chain 1 is transmitted to the cleaning device for cleaning, and then transmitted to the dryer 3 for drying.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are more specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. an intelligent sun drying field system, is characterized in that, comprises plate chain, drive wheel, spreading mechanism, drying mechanism, collecting bucket, cleaning device, dryer and central control machine, described plate chain sleeve Outside the drive wheel, the drive wheel drives the plate chain to drive, and the plate chain passes through the material spreading mechanism, the drying mechanism, the collection bucket, the cleaning device, and the drying in sequence. The material spreading mechanism is used to provide raw materials and spread the raw materials on the plate chain, and the drying mechanism includes a sun drying area and a canopy, and the canopy is fixed on a part of the sun drying area. On the side, the sun drying area is provided with a humidity sensor and a light sensor, and the central control machine is electrically connected to the humidity sensor and the light sensor respectively, and the central control machine transmits the data according to the humidity sensor and the light sensor. The signal controls the spreading mechanism to run or stop, the central control machine controls the canopy to shrink or expand to the sun-drying area according to the signal transmitted by the humidity sensor, and the collection bucket is located in the plate chain On one side, the collection bucket is used to collect the raw materials after sun exposure, the cleaning device is used to clean the plate chain, and the dryer is used to dry the plate chain. 2 . The intelligent solar drying field system according to claim 1 , wherein the material spreading mechanism comprises a hopper and a drum, the surface of the drum is provided with a plurality of grooves, and the grooves are distributed at intervals, 3 . The groove rotates with the rotation of the drum, the groove is located above the initial end of the plate chain, the side of the drum facing the plate chain is provided with a stopper, when the drum rotates, the The block blocks the horizontally oriented groove, the hopper is located above the drum, and the hopper is provided with an output port, and the output port faces the top of the drum. 3 . The intelligent solar drying field system according to claim 2 , wherein the grooves are arranged in multiple rows along the axial direction of the drum, and the grooves in each row are distributed at intervals. 4 . 4. The intelligent tanning field system according to claim 2, wherein a cylinder is provided on one side of the collection bucket, and a push plate is connected to the cylinder, and the push plate is connected to the plate chain. Above, the air cylinder pushes the push rod through the plate chain and moves towards the inlet of the collection bucket. 5. The intelligent tanning field system according to claim 1, wherein the cleaning device comprises a first cleaning mechanism, a first brush roller, a first water collecting tank, a cleaning tank, a second cleaning mechanism, The second water collecting tank, the plate chain passes through the first cleaning mechanism, the first brush roller, the cleaning tank, and the second cleaning mechanism in sequence, and the first cleaning mechanism includes a plurality of first nozzles , the first nozzle is facing the plate chain, the first brush roller is in contact with the upper surface of the plate chain, the first cleaning mechanism and the first brush roller are located in the first Right above the water collection tank, the plate chain is immersed in the cleaning tank, the second cleaning mechanism includes a plurality of second nozzles, the second nozzles face the plate chain, and the second cleaning mechanism is located in the first cleaning tank. Right above the second sink. 6 . The intelligent tanning field system according to claim 5 , wherein the first cleaning mechanism comprises four groups of first nozzles, and the first nozzles are oriented relative to the plate surface of the plate chain. 7 . Inclined, four groups of first nozzles surround the plate chain and are distributed in a rectangular shape, and the first nozzles and the plate chain are staggered from each other in the vertical direction. 7 . The intelligent solar drying field system according to claim 5 , wherein a scissor mechanism is provided under the cleaning tank, the scissor mechanism is connected to the cleaning tank, and the scissor mechanism is connected to the cleaning tank. 8 . Used to control the lifting and lowering of the cleaning tank. 8 . The intelligent tanning farm system according to claim 5 , wherein the cleaning device further comprises a second brush roller, and the second brush roller is in contact with the upper surface of the plate chain. 9 . , the second brush roller is located between the cleaning tank and the second cleaning mechanism, and the second brush roller is located just above the second water collecting tank. 9 . The intelligent tanning field system according to claim 5 , wherein a sterilization lamp is arranged below the driving wheel, and the sterilization lamp illuminates the plate chain. 10 . 10. the using method of the intelligent tanning field system described in any one of claim 1 to 9, is characterized in that, comprises the following steps: The central control computer establishes a first threshold and a second threshold; The central control computer receives signals from the light sensor and the humidity sensor, and when the signal sent by the light sensor is greater than the first threshold and the signal sent by the humidity sensor is less than the second threshold, the central control The machine controls the operation of the material spreading mechanism, the material spreading mechanism lays the raw material on the plate chain, the plate chain starts to drive, and the plate chain brings the raw material to the sun drying area for sun exposure; The central control computer continues to receive the signal of the humidity sensor, and when the signal sent by the humidity sensor is greater than the second threshold, the canopy expands in the direction of the sun drying area; The plate chain transports the raw materials to one side of the collection bucket, and loads the raw materials into the collection bucket; The plate chain is transmitted to the cleaning device for cleaning, and then transmitted to the dryer for drying.

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