Green pesticide preparation concentration device

Abstract

The invention relates to the technical field of concentration devices, and discloses a green pesticide preparation concentration device which comprises a concentration box, a feeding port is formed in the outer surface of one side of the concentration box in a penetrating mode, a feeding hopper is fixedly installed on the outer surface of the concentration box, and a feeding pipe communicated with the feeding port is fixedly installed between the bottom end of the feeding hopper and the feeding port; a heating ring is rotatably installed between the inner walls of the two opposite sides of the concentration box, one end of the heating ring is of a closed structure, a plurality of containing grooves are evenly formed in the periphery of the heating ring in a penetrating mode, and a heating block is slidably installed on the inner wall of each containing groove. The heating ring is driven by the stepping motor to rotate clockwise, part of liquid medicine can be attached to the surface of the heating ring to rotate in the direction of the discharging opening, moisture in the liquid medicine is evaporated through the temperature of the heating ring in the rotating process, continuous evaporation operation of the liquid medicine can be achieved through continuous rotation of the heating ring and the heating block, and the efficiency of the liquid medicine is improved. The concentration efficiency of the liquid medicine can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of concentration devices, and in particular to a green pesticide formulation concentration device. Background Art

[0002] Pesticides refer to chemical agents used in agriculture to control pests and diseases and regulate plant growth. The concentration of pesticide formulations is a complex technological process of heating and evaporating a mixed medicament solution and then cooling and recovering it. This process can remove most of the water in the mixed medicament solution to obtain a higher-concentration liquid medicine.

[0003] An existing pesticide formulation concentration device (Publication No.: CN219848169U) has at least the following drawbacks: The above patent pours the pesticide formulation into a charging barrel and heats the water in the water filling tank through an electric heating tube, so as to heat the charging barrel, and then heat the pesticide formulation in the charging barrel to evaporate the water in the pesticide formulation, thereby realizing the concentration of the pesticide formulation; Since the pesticide liquid medicine is all filled in the charging barrel, it is difficult for the liquid medicine to be quickly heated, resulting in a slow evaporation and concentration efficiency of the liquid medicine. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies existing in the prior art and propose a green pesticide formulation concentration device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions: A green pesticide formulation concentration device includes a concentration tank. A feed inlet is penetrated and opened on the outer surface of one side of the concentration tank. A feed hopper is fixedly installed on the outer surface of the concentration tank. A feed pipe that is mutually communicated is fixedly installed between the bottom end of the feed hopper and the feed inlet. A heating coil is rotatably installed between the inner walls of opposite sides of the concentration tank. One end of the heating coil is a closed structure. A plurality of receiving grooves are uniformly penetrated through the outer periphery of the heating coil. A heating block is slidably installed on the inner wall of each receiving groove. A support block and a scraping block are fixedly installed on the bottom wall of the concentration tank. The heating coil is installed between the support block and the scraping block, and both the support block and the scraping block are in contact with the outer surface of the heating coil. A discharge port is penetrated and opened on the bottom wall of the concentration tank near the scraping block. An exhaust pipe that is communicated with the inside thereof is fixedly installed on the outer surface of the concentration tank on the side opposite to the feed hopper. A moving mechanism is installed between the heating block and the concentration tank.

[0006] In this embodiment, the movable mechanism includes a support column fixedly installed on the inner wall on the side opposite to the closed end of the concentration box and the heating coil, a fixed disk is fixedly installed on the outer surface of the support column, and two guide grooves are symmetrically provided on the outer surfaces on opposite sides of the fixed disk, and a rectangular opening is penetrated through the outer surface of the heating block close to the fixed disk, and guide columns are fixedly installed on the inner walls on opposite sides of the rectangular opening, and the guide columns are slidably installed on the inner walls of the guide grooves.

[0007] In this embodiment, the guide groove includes an inner ring groove and an outer ring groove, and the head and tail ends of the inner ring groove and the outer ring groove are connected to each other by an inclined groove.

[0008] In this embodiment, an intermittent feeding assembly is installed inside the feed port, and the intermittent feeding assembly includes a feed roller rotatably installed on the inner wall of the feed port. The feed roller is an incomplete cylindrical structure, and the outer periphery of the feed roller is in contact with the inner wall of the feed port.

[0009] In this embodiment, an arc-shaped spring piece tilted toward the heating ring is fixedly installed between the support block and the inner wall of the concentration box near the feed port. Both ends of the arc-shaped spring piece are in contact with the inner wall of the concentration box, and a toggle assembly is installed between the arc-shaped spring piece and the feed roller.

[0010] In this embodiment, the toggle assembly includes a toggle plate rotatably mounted on the lower surface of the arc-shaped spring piece, a rotating rod rotatably mounted between the outer surfaces of the opposite sides of the concentration box, a rotating ring is fixedly mounted on the outer surface of the rotating rod, and one end of the toggle plate away from the arc-shaped spring piece is rotatably mounted on the outer surface of the rotating ring. Toggle rods are fixedly mounted on the outer surfaces of both ends of the rotating rod, and fixed rings are fixedly mounted on the rotation centers of both ends of the feed roller. A plurality of push rods are evenly fixedly mounted on the outer periphery of the fixed ring, and the plurality of push rods are intermittently contacted with the toggle rod in turn.

[0011] In this embodiment, a door-type plate is fixedly installed on the outer surface of the concentration box, and a stepper motor is fixedly installed on the outer surface of the door-type plate. The output end of the stepper motor passes through the inner wall of the concentration box and is fixedly installed with the rotation center of the closed end of the heating coil, and a transmission assembly is installed between the feed roller and the output end of the stepper motor.

[0012] In this embodiment, the transmission assembly includes two transmission pulleys respectively fixedly mounted on the rotation center of one end of the feed roller and the output end of the stepper motor, and the outer surfaces of the two transmission pulleys are sleeved with transmission belts.

[0013] In this embodiment, a material receiving box is installed inside the concentration box near the discharge port.

[0014] The beneficial effects of the present invention are: 1. Drive the heating coil to rotate clockwise by a stepper motor, so that part of the liquid medicine can adhere to the surface of the heating coil and rotate towards the discharge port. During the rotation, the water in the liquid medicine is evaporated by the temperature of the heating coil to obtain a concentrated medicine. The concentrated medicine adhered to the surface of the heating coil is scraped off by a scraping block, so that the concentrated medicine falls into the receiving box through the discharge port for collection. While the heating coil rotates, it will drive the heating block embedded on its outer surface to rotate synchronously. When the guide post installed on the heating block rotates to the inner ring groove, the guide post will drive the heating block to contract a certain distance into the receiving groove, so as to expose part of the receiving groove, enabling the heating coil to pick up part of the liquid medicine when rotating, increasing the amount of liquid medicine carried by the heating coil, so as to more quickly perform the evaporation and concentration operation on the liquid medicine and improve the concentration efficiency; Through the continuous rotation of the heating coil and the heating block, continuous evaporation operation of the liquid medicine can be realized, and the concentration efficiency of the liquid medicine can be improved; 2. While the stepper motor drives the heating coil to rotate, the feed roller will be driven to rotate by a belt pulley and a transmission belt. Since the feed roller is an incomplete cylindrical structure, the missing part of the feed roller can intermittently open the feed port during rotation, enabling the liquid medicine in the feed hopper to intermittently enter the concentration tank through the feed port, preventing too much liquid medicine from entering at one time, resulting in excessive accumulation of liquid medicine at the arc-shaped elastic piece, reducing the effective evaporation area on the surface of the heating coil, and affecting the evaporation and concentration efficiency and effect of the liquid medicine; 3. While the feed roller rotates, the push rod will be driven to rotate through the fixed ring, so that the push rod can push the lever downward, and the lever drives the rotating ring to rotate through the rotating rod, enabling the rotating ring to pull the arc-shaped elastic piece downward through the dial plate, causing the arc-shaped elastic piece to deform. After the push rod and the lever are separated, the arc-shaped elastic piece will bounce up and reset under its own elastic force, so that the arc-shaped elastic piece can eject the liquid medicine on its surface towards the surface of the heating coil when it bounces up, enabling the heating coil surface to carry more liquid medicine, so as to further improve the evaporation and concentration efficiency of the liquid medicine. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of a green pesticide formulation concentration device proposed by the present invention; Figure 2 It is a schematic diagram of the internal structure of the concentration tank of a green pesticide formulation concentration device proposed by the present invention; Figure 3 It is a schematic diagram of the support block and scraping block structure of a green pesticide formulation concentration device proposed by the present invention; Figure 4 It is a schematic diagram of the arc-shaped elastic piece structure of a green pesticide formulation concentration device proposed by the present invention; Figure 5 It is a schematic diagram of the back structure of a green pesticide formulation concentration device proposed by the present invention; Figure 6Schematic diagram of the heating coil structure of a green pesticide formulation concentration device proposed by the present invention; Figure 7 Schematic diagram of the heating block structure of a green pesticide formulation concentration device proposed by the present invention; Figure 8 Schematic diagram of the fixed disk structure of a green pesticide formulation concentration device proposed by the present invention; Figure 9 is Figure 2 enlarged view of the structure at A in

[0016] In the figure: 1, concentration tank; 2, feed inlet; 3, feed hopper; 4, feed pipe; 5, exhaust pipe; 6, heating coil; 7, receiving groove; 8, heating block; 9, support column; 10, fixed disk; 11, guide groove; 111, inner ring groove; 112, outer ring groove; 12, rectangular opening; 13, guide post; 14, portal plate; 15, stepper motor; 16, support block; 17, scraping block; 18, discharge port; 19, receiving box; 20, arc-shaped elastic piece; 21, feed roller; 22, rotating rod; 23, rotating ring; 24, dialing plate; 25, dialing rod; 26, fixed ring; 27, push rod; 28, belt pulley; 29, transmission belt. Specific embodiments

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0018] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Next, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.

[0019] Refer to the attached Figure 1 - attached Figure 9, A green pesticide preparation concentration device, including a concentration tank 1. An inlet 2 is penetrated and opened on the outer surface of one side of the concentration tank 1. A feed hopper 3 is fixedly installed on the outer surface of the concentration tank 1. A feed pipe 4 that is mutually communicated is fixedly installed between the bottom end of the feed hopper 3 and the inlet 2. A heating coil 6 is rotatably installed between the inner walls on opposite sides of the concentration tank 1. One end of the heating coil 6 is a closed structure. A plurality of receiving grooves 7 are uniformly penetrated through the outer circumference of the heating coil 6. A heating block 8 is slidably installed on the inner wall of each receiving groove 7. Both the heating coil 6 and the heating block 8 use electric heating, and when the heating block 8 is in the extended state, it can form a complete arc structure with the outer circumference of the heating coil 6, so that the scraping block 17 can scrape the liquid medicine adhered to the surfaces of the heating coil 6 and the heating block 8; A support block 16 and a scraping block 17 are fixedly installed on the bottom wall of the concentration tank 1. The heating coil 6 is installed between the support block 16 and the scraping block 17, and both the support block 16 and the scraping block 17 are in contact with the outer surface of the heating coil 6. A discharge port 18 is penetrated through the bottom wall of the concentration tank 1 near the scraping block 17. An exhaust pipe 5 that is connected to its interior is fixedly installed on the outer surface of the concentration tank 1 opposite to the feed hopper 3. A condenser is installed on the exhaust pipe 5. When performing the evaporation and concentration operation on the liquid medicine, the steam in the liquid medicine is discharged through the exhaust pipe 5, and the steam is condensed by the condenser installed on the exhaust pipe 5, so that the steam is condensed into water droplets and then collected by catching; A moving mechanism is installed between the heating block 8 and the concentration tank 1. A gantry plate 14 is fixedly installed on the outer surface of the concentration tank 1. A stepping motor 15 is fixedly installed on the outer surface of the gantry plate 14. The output end of the stepping motor 15 penetrates the inner wall of the concentration tank 1 and is fixedly installed with the rotation center of the closed end of the heating coil 6. A transmission assembly is installed between the feed roller 21 and the output end of the stepping motor 15. A receiving box 19 is installed inside the concentration tank 1 near the discharge port 18.

[0020] During use, pour the pesticide liquid medicine into the feed hopper 3, and it flows to the arc-shaped elastic piece 20 through the feed pipe 4 and the inlet 2. Since the arc-shaped elastic piece 20 is inclined, the liquid medicine will flow towards the heating coil 6. Drive the heating coil 6 to rotate clockwise through the stepping motor 15, so that part of the liquid medicine can adhere to the surface of the heating coil 6 and rotate towards the discharge port 18. During the rotation, the moisture in the liquid medicine is evaporated by the temperature of the heating coil 6 to obtain a concentrated agent, and the concentrated agent adhered to the surface of the heating coil 6 is scraped off by the scraping block 17, so that the concentrated agent falls into the receiving box 19 through the discharge port 18 for collection.

[0021] In this embodiment, the moving mechanism includes a support column 9 fixedly installed on the inner wall of the side of the concentration tank 1 opposite to the closed end of the heating coil 6. A fixed disk 10 is fixedly installed on the outer surface of the support column 9. Two guide grooves 11 are symmetrically formed on the outer surfaces of the opposite sides of the fixed disk 10. A rectangular opening 12 is formed through the outer surface of the heating block 8 close to the fixed disk 10. Guide columns 13 are fixedly installed on the inner walls of the opposite sides of the rectangular opening 12. The guide columns 13 are slidably installed on the inner walls of the guide grooves 11. The guide groove 11 includes an inner ring groove 111 and an outer ring groove 112. The head and tail ends of the inner ring groove 111 and the outer ring groove 112 are interconnected by an inclined groove. The inner ring groove 111 is arranged above the fixed disk 10, and the outer ring groove 112 is arranged below the fixed disk 10.

[0022] While the heating coil 6 rotates, it will drive the heating block 8 embedded on its outer surface to rotate synchronously. When the guide column 13 installed on the heating block 8 rotates to the inner ring groove 111, the guide column 13 will drive the heating block 8 to contract a certain distance into the receiving groove 7, so as to expose part of the receiving groove 7, enabling the heating coil 6 to pick up part of the liquid medicine when rotating, increasing the amount of liquid medicine carried by the heating coil 6, so as to evaporate and concentrate the liquid medicine more quickly and improve the concentration efficiency; when the guide column 13 rotates to the outer ring groove 112, the guide column 13 will drive the heating block 8 to move outwards and reset to be flush with the surface of the heating coil 6, so that the heating block 8 will push the concentrated medicine out of the receiving groove 7, so that the subsequent scraping block 17 can scrape the concentrated medicine adhered to the surfaces of the heating coil 6 and the heating block 8.

[0023] In this embodiment, an intermittent feeding assembly is installed inside the feeding port 2. The intermittent feeding assembly includes a feeding roller 21 rotatably installed on the inner wall of the feeding port 2. The feeding roller 21 is of an incomplete cylindrical structure, and the outer circumference of the feeding roller 21 is in contact with the inner wall of the feeding port 2. The transmission assembly includes two transmission belt wheels 28 respectively fixedly installed at the rotation centers of one ends of the feeding roller 21 and the output end of the stepping motor 15. A transmission belt 29 is sleeved on the outer surfaces of the two transmission belt wheels 28.

[0024] While the stepping motor 15 drives the heating coil 6 to rotate, it will drive the feeding roller 21 to rotate through the transmission belt wheels 28 and the transmission belt 29. Since the feeding roller 21 is of an incomplete cylindrical structure, the missing part of the feeding roller 21 can intermittently open the feeding port 2 when rotating, enabling the liquid medicine in the feeding hopper 3 to intermittently enter the concentration tank 1 through the feeding port 2, avoiding too much liquid medicine entering at one time, resulting in too much liquid medicine accumulating at the arc-shaped elastic piece 20, reducing the effective evaporation area on the surface of the heating coil 6, and affecting the evaporation and concentration efficiency and effect of the liquid medicine.

[0025] In this embodiment, an arc-shaped spring piece 20 inclined toward the heating coil 6 is fixedly installed between the support block 16 and the inner wall of the concentrating tank 1 on the side close to the feed port 2. Both ends of the arc-shaped spring piece 20 are in contact with the inner wall of the concentrating tank 1. Sealing gaskets are installed at both ends of the arc-shaped spring piece 20 to prevent the pesticide liquid from leaking from both ends of the arc-shaped spring piece 20. A toggle assembly is installed between the arc-shaped spring piece 20 and the feed roller 21. The toggle assembly includes a toggle plate 24 rotatably installed on the lower surface of the arc-shaped spring piece 20. A rotating rod 22 is rotatably installed between the outer surfaces of the opposite sides of the concentrating tank 1. A rotating ring 23 is fixedly installed on the outer surface of the rotating rod 22. One end of the toggle plate 24 away from the arc-shaped spring piece 20 is rotatably installed on the outer surface of the rotating ring 23. Toggle rods 25 are fixedly installed on the outer surfaces of both ends of the rotating rod 22. Fixed rings 26 are fixedly installed at the rotation centers of both ends of the feed roller 21. A plurality of push rods 27 are evenly fixedly installed on the outer periphery of the fixed ring 26. The plurality of push rods 27 contact the toggle rod 25 intermittently in sequence.

[0026] When the feed roller 21 rotates, the push rod 27 will be driven to rotate through the fixed ring 26, so that the push rod 27 can push the lever 25 downward, so that the lever 25 drives the rotating ring 23 to rotate through the rotating rod 22, so that the rotating ring 23 can pull the arc spring piece 20 downward through the dial plate 24, so that the arc spring piece 20 is deformed. After the push rod 27 is separated from the lever 25, the arc spring piece 20 will bounce upward and reset under the action of its own elastic force, so that the arc spring piece 20 can eject the liquid medicine on its surface to the surface of the heating coil 6 when it bounces up, so that the surface of the heating coil 6 can carry more liquid medicine, so as to further improve the evaporation and concentration efficiency of the liquid medicine.

[0027] From the above description, it can be seen that the above-mentioned embodiment of the present invention achieves the following technical effects: when in use, the pesticide liquid is poured into the feed hopper 3, and flows to the arc-shaped spring piece 20 through the feed pipe 4 and the feed port 2. Since the arc-shaped spring piece 20 is inclined, the liquid will flow in the direction of the heating coil 6. The heating coil 6 is driven by the stepping motor 15 to rotate clockwise, so that part of the liquid adheres to the surface of the heating coil 6 and rotates in the direction of the discharge port 18. During the rotation process, the water in the liquid is evaporated by the temperature of the heating coil 6 to obtain a concentrated agent, and the concentrated agent adhered to the surface of the heating coil 6 is scraped off by the scraping block 17, so that the concentrated agent falls into the receiving box 19 through the discharge port 18 for collection; When the heating coil 6 rotates, the heating block 8 embedded on its outer surface will be driven to rotate synchronously. When the guide pillar 13 installed on the heating block 8 rotates to the inner ring groove 111, the guide pillar 13 will drive the heating block 8 to shrink a certain distance inside the receiving groove 7, so as to expose part of the receiving groove 7, so that the heating coil 6 can receive part of the liquid medicine when rotating, and increase the amount of liquid medicine carried by the heating coil 6, so as to evaporate and concentrate the liquid medicine more quickly, thereby improving the concentration efficiency. When the guide post 13 rotates to the outer ring groove 112, the guide post 13 will drive the heating block 8 to move outward and reset to be flush with the surface of the heating coil 6, so that the heating block 8 can push the concentrated medicament out of the accommodating groove 7, so that the scraping block 17 can scrape the concentrated medicament adhering to the surfaces of the heating coil 6 and the heating block 8 subsequently; While the stepping motor 15 drives the heating coil 6 to rotate, it will drive the feed roller 21 to rotate through the transmission pulley 28 and the transmission belt 29. Since the feed roller 21 is an incomplete cylindrical structure, the missing part of the feed roller 21 can intermittently open the feed port 2 during rotation, so that the liquid medicine in the feed hopper 3 can intermittently enter the concentration tank 1 through the feed port 2, avoiding too much liquid medicine entering at one time, resulting in too much liquid medicine accumulating at the arc-shaped elastic piece 20, reducing the effective evaporation area on the surface of the heating coil 6, and affecting the evaporation concentration efficiency and effect of the liquid medicine; While the feed roller 21 rotates, it will drive the push rod 27 to rotate through the fixed ring 26, so that the push rod 27 can push the lever 25 downward, so that the lever 25 drives the rotating ring 23 to rotate through the rotating rod 22, so that the rotating ring 23 can pull the arc-shaped elastic piece 20 downward through the dial plate 24, causing the arc-shaped elastic piece 20 to deform. After the push rod 27 is separated from the lever 25, the arc-shaped elastic piece 20 will bounce up and reset under its own elastic force, so that the arc-shaped elastic piece 20 can eject the liquid medicine on its surface onto the surface of the heating coil 6 when it bounces up, so that the heating coil 6 surface can carry more liquid medicine, so as to further improve the evaporation concentration efficiency of the liquid medicine.

[0028] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A green pesticide preparation concentration device, comprising a concentration tank (1), characterized in that, A feed port (2) is formed through the outer surface of one side of the concentration box (1), a feed hopper (3) is fixedly mounted on the outer surface of the concentration box (1), a feed pipe (4) which is in communication with each other is fixedly mounted between the bottom end of the feed hopper (3) and the feed port (2), a heating ring (6) is rotatably mounted between the inner walls of the opposite sides of the concentration box (1), one end of the heating ring (6) is a closed structure, a plurality of receiving grooves (7) are uniformly formed through the outer circumference of the heating ring (6), a heating block (8) is slidably mounted on the inner wall of each of the receiving grooves (7), and the concentration box (1) is provided with a plurality of receiving grooves (7) which are uniformly disposed on the outer surface of the concentration box (1). A support block (16) and a scraper block (17) are fixedly mounted on the bottom wall of the concentrating box (1); the heating ring (6) is mounted between the support block (16) and the scraper block (17); the support block (16) and the scraper block (17) are both in contact with the outer surface of the heating ring (6); a discharge port (18) is provided through the bottom wall of the concentrating box (1) near the scraper block (17); an exhaust pipe (5) connected to the interior of the concentrating box (1) is fixedly mounted on the outer surface of the concentrating box (1) on the side opposite to the feed hopper (3); and a moving mechanism is installed between the heating block (8) and the concentrating box (1).

2. The green pesticide preparation concentration device according to claim 1, characterized in that, The moving mechanism comprises a support column (9) fixedly mounted on the inner wall of the concentration box (1) on the opposite side of the closed end of the heating coil (6); a fixed disk (10) is fixedly mounted on the outer surface of the support column (9); two guide grooves (11) are symmetrically provided on the outer surfaces of the opposite sides of the fixed disk (10); a rectangular opening (12) is penetrated through the outer surface of the heating block (8) close to the fixed disk (10); guide columns (13) are fixedly mounted on the inner walls of the opposite sides of the rectangular opening (12); and the guide columns (13) are slidably mounted on the inner walls of the guide grooves (11).

3. The green pesticide preparation concentration device according to claim 2, characterized in that, The guide groove (11) comprises an inner ring groove (111) and an outer ring groove (112), and the head and tail ends of the inner ring groove (111) and the outer ring groove (112) are connected to each other by an inclined groove.

4. The green pesticide preparation concentration device according to claim 1, characterized in that, An intermittent feeding assembly is installed inside the feed port (2), and the intermittent feeding assembly comprises a feed roller (21) rotatably mounted on the inner wall of the feed port (2), the feed roller (21) is an incomplete cylindrical structure, and the outer circumference of the feed roller (21) is in contact with the inner wall of the feed port (2).

5. The green pesticide preparation concentration device according to claim 1, characterized in that, An arc-shaped spring piece (20) is fixedly installed between the support block (16) and the inner wall of the concentration box (1) on the side close to the feed port (2), and is arranged obliquely toward the heating ring (6). Both ends of the arc-shaped spring piece (20) are in contact with the inner wall of the concentration box (1), and a toggle assembly is installed between the arc-shaped spring piece (20) and the feed roller (21).

6. The green pesticide preparation concentration device according to claim 5, characterized in that, The shifting assembly comprises a shifting plate (24) rotatably mounted on the lower surface of the arc-shaped spring piece (20); a rotating rod (22) is rotatably mounted between the outer surfaces of the opposite sides of the concentration box (1); a rotating ring (23) is fixedly mounted on the outer surface of the rotating rod (22); one end of the shifting plate (24) away from the arc-shaped spring piece (20) is rotatably mounted on the outer surface of the rotating ring (23); shifting rods (25) are fixedly mounted on the outer surfaces of both ends of the rotating rod (22); a fixing ring (26) is fixedly mounted at the rotation center of both ends of the feed roller (21); a plurality of push rods (27) are evenly fixedly mounted on the outer periphery of the fixing ring (26); and the plurality of push rods (27) are intermittently contacted with the shifting rod (25) in sequence.

7. The green pesticide preparation concentration device according to claim 4, characterized in that, A door-shaped plate (14) is fixedly mounted on the outer surface of the concentration box (1), and a stepper motor (15) is fixedly mounted on the outer surface of the door-shaped plate (14). The output end of the stepper motor (15) passes through the inner wall of the concentration box (1) and is fixedly mounted to the rotation center of the closed end of the heating coil (6). A transmission assembly is installed between the feed roller (21) and the output end of the stepper motor (15).

8. The green pesticide preparation concentration device according to claim 7, characterized in that, The transmission assembly comprises two transmission pulleys (28) respectively fixedly mounted at the rotation center of one end of the feed roller (21) and the output end of the stepper motor (15), and the outer surfaces of the two transmission pulleys (28) are sleeved with transmission belts (29).

9. The green pesticide preparation concentration device according to claim 1, characterized in that, A material receiving box (19) is installed inside the concentration box (1) near the discharge port (18).

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