Crushing device and crushing method for production of pesticide soluble granules

Abstract

The invention provides a smashing device and smashing method for pesticide soluble granule production. The smashing device comprises a pair of fixing discs fixedly installed on a support, an annular sealing plate is fixedly connected between the pair of fixing discs, a rotating disc is rotationally connected into the annular sealing plate, and a plurality of smashing grooves are formed in the circumferential side wall of the rotating disc; a first arc-shaped screen is arranged at the top of the annular sealing plate, a second arc-shaped screen is arranged on the section, extending from the upper left portion to the lower right portion, of the annular sealing plate, the circumferential side wall of the rotating disc abuts against the annular sealing plate, and high-pressure spraying pipes are installed on the two sides of the tops of the pair of fixing discs correspondingly; and the tail ends of the pair of high-pressure spray pipes extend to the two sides of the crushing groove above. According to the device, a plurality of circulating crushing grooves are adopted, the crushing process can be intermittently completed in a single crushing groove, the crushing amount is controlled, the collision impact effect is further improved, powder which does not meet the particle size requirement can be circularly crushed, and the particle size distribution of the obtained powder is narrow.

Description

Technical Field

[0001] The invention relates to the technical field of pesticide production, and in particular to a pulverizing device and a pulverizing method for producing pesticide soluble granules. Background Art

[0002] In the field of pesticides, soluble powder is a preparation form in which the active ingredients of the pesticide and auxiliary ingredients are made into powder and can be quickly dissolved in water. It has the advantages of easy use and carrying, good solubility, and flexibility of use.

[0003] The production process of soluble granules generally involves first crushing various raw materials into powders that meet the requirements, then adding water for mixing, granulating, and drying to obtain soluble granules. The crushing process currently commonly uses air flow crushing, but the powder crushed by the current air flow crushing device often has a wide particle size distribution and low crushing efficiency. Summary of the invention

[0004] In view of the above problems, the present invention provides a pulverizing device and a pulverizing method for the production of pesticide soluble granules. The device adopts a circulating multiple pulverizing trough form, which can intermittently complete the pulverizing process in a single pulverizing trough. The pulverizing amount is controlled, thereby improving the effect of collision impact. It can also cyclically pulverize powders that do not meet the particle size requirements, and the resulting powder has a narrow particle size distribution.

[0005] To solve the above problems, the technical solution adopted by the present invention is:

[0006] A pulverizing device for producing pesticide soluble granules, comprising a pair of fixed disks fixedly mounted on a bracket, an annular sealing plate fixedly connected between the pair of fixed disks, a rotating disk rotatably connected inside the annular sealing plate, a plurality of pulverizing grooves provided on the circumferential side wall of the rotating disk, a first arc-shaped screen provided on the top of the annular sealing plate, a second arc-shaped screen provided on a section extending from the upper left to the lower right of the annular sealing plate, the circumferential side wall of the rotating disk abuts against the annular sealing plate, high-pressure nozzles are installed on both sides of the top of the pair of fixed disks, the ends of the pair of high-pressure nozzles extend to both sides of the rotating disk pulverizing grooves above, and the A first arc-shaped discharge channel and a second arc-shaped discharge channel are fixed between a pair of fixed disks, the second arc-shaped discharge channel cover is arranged on the periphery of the second arc-shaped screen, a discharge pipe is arranged at the bottom of the second arc-shaped discharge channel, the inlet mask of the first arc-shaped discharge channel is arranged on the first arc-shaped screen, the discharge port of the first arc-shaped discharge channel is connected with the discharge pipe, a blowing mechanism for intermittently blowing air into the crushing trough is installed in the turntable, a drop pipe for intermittently conveying raw materials is installed on the top of the pair of high-pressure nozzles, and a circulation component for conveying unscreened powder to the two drop pipes is installed on the right side of the pair of fixed disks.

[0007] Preferably, a rotating shaft is rotatably connected between the pair of fixed disks, the rotating shaft passes through the rotating disk and is fixedly connected thereto, a first motor is fixedly mounted on the rear side of the fixed disk, and an output end of the first motor is connected to the rotating shaft via a pair of gear transmissions.

[0008] Preferably, the blowing mechanism includes a plurality of blowing pipes circumferentially arranged in the turntable, the plurality of blowing pipes are connected to the plurality of crushing grooves one by one, the inner ends of the plurality of blowing pipes are connected to the rotating shaft, the rotating shaft is hollow, the rear end of the rotating shaft is connected to the pump air pipe through a rotating joint, and an opening and closing assembly is installed in the blowing pipe.

[0009] Preferably, the opening and closing assembly includes a circular cavity arranged in a turntable, a closing plate is elastically connected to the circular cavity through a spring, the closing plate extends into the corresponding air blowing pipe, a plurality of conductive heads are circumferentially embedded in the rear side of the turntable, the plurality of conductive heads are electrically connected to the plurality of springs one by one, a plurality of electrical terminals cooperating with the conductive heads are circumferentially embedded in the inner wall of the fixed disk at the rear side, and the plurality of electrical terminals are distributed from the upper left to the right side.

[0010] Preferably, a plurality of back-blowing pipes are fixedly connected to the inner circumference of the second arc-shaped discharge channel, the positions of the plurality of back-blowing pipes are staggered with a plurality of electrical connectors, and the side wall of the back-blowing pipe is provided with a plurality of back-blowing holes blowing toward the outside of the second arc-shaped screen.

[0011] Preferably, the circulation component includes a blow-out pipe fixedly connected to the right side of the annular sealing plate, the inner end of the blow-out pipe is connected to the inner side of the annular sealing plate, the outer end of the blow-out pipe is fixedly connected to a circulation pipe, the lower end of the circulation pipe is connected to an air pump, and the upper end of the circulation pipe is connected to the two drop pipes through a distribution pipe.

[0012] Preferably, a material box is fixedly installed on the upper ends of the two material drop pipes, a primary crushing box is installed between the two material boxes, and an intermittent material drop assembly is installed in the material drop pipe.

[0013] Preferably, the intermittent feeding assembly includes a rotating shaft rotatably connected between two feeding tubes, both ends of the rotating shaft extend to the connection point between the corresponding feeding tube and the material box, and multiple dividing plates are circumferentially fixed to the two extended ends of the rotating shaft. A worm gear is fixed to the front end of the rotating shaft and the front end of the rotating shaft. A vertical transmission shaft is rotatably connected to the bracket, and a worm gear meshing with the corresponding worm gear is connected in series to the transmission shaft.

[0014] Preferably, a drop hopper is provided on the top of the primary crushing box, a second motor is installed on the bottom of the primary crushing box, the output end of the second motor extends into the primary crushing box and is fixedly connected to a plurality of groups of offset impact plates, and discharge ports connected to corresponding material boxes are provided on both sides of the bottom of the primary crushing box.

[0015] The present invention also provides a pulverizing method for producing pesticide soluble granules, comprising the following steps:

[0016] S1. Raw materials with larger particle sizes are fed into the primary crushing box, and the high-speed rotating impact plate crushes them into small particles, which then fall into the material boxes on both sides, and other raw materials with smaller particle sizes are added to the material boxes;

[0017] S2, multiple crushing troughs are intermittently turned to the upper part, and the intermittent feeding assembly drops the powdered raw materials into the high-pressure nozzle through the feeding pipe. High-pressure gas is introduced into a pair of high-pressure nozzles to accelerate the powdered raw materials from both sides and blow them into the crushing trough above. After the powdered raw materials collide and impact at high speed, they are crushed into powders with smaller particle sizes;

[0018] S3, during the high-speed collision impact process, the excess gas carries part of the powder that meets the particle size requirements and blows through the first arc-shaped screen, and is directly discharged through the first arc-shaped discharge channel. The powder in the crushing tank continues to pass through the second arc-shaped screen. Through the offset blowing of multiple back-blowing pipes and blowing pipes, the powder that meets the particle size requirements in the crushing tank can be efficiently blown out of the second arc-shaped screen, and discharged through the second arc-shaped discharge channel and the discharge pipe;

[0019] S4. After the powder that does not meet the particle size requirements is transferred to the right side, the air blowing pipe blows it into the circulation pipe through the blow-out pipe, and then sends it back to the drop pipe through the circulation pipe and the distribution pipe for cyclic crushing.

[0020] The beneficial effects of the present invention are:

[0021] 1. By installing a primary crushing box, a pair of material boxes, two material discharge pipes and an intermittent material discharge assembly, raw materials with larger particle sizes are fed into the primary crushing box, and the high-speed rotating impact plate breaks them into small particles and then falls into the material boxes on both sides. Other raw materials with smaller particle sizes are then added to the material boxes, and the rotating shaft drives the gaps between multiple material distribution plates to rotate, thus realizing the quantitative material discharge process.

[0022] 2. By installing a pair of high-pressure nozzles, a turntable and multiple crushing troughs, the multiple crushing troughs are intermittently rotated to the top, and the intermittent feeding assembly drops the powdered raw materials into the high-pressure nozzle through the feeding pipe. High-pressure gas is introduced into a pair of high-pressure nozzles to accelerate the powdered raw materials from both sides and blow them into the crushing trough above. After the high-speed collision and impact between the powdered raw materials, they are broken into powders of smaller particle sizes. The use of multiple circulating crushing troughs can intermittently complete the crushing process in a single crushing trough, and the crushing amount is controlled, thereby improving the effect of the collision and impact, with good crushing effect, and can also achieve a continuous crushing process.

[0023] 3. By installing the first curved screen, the second curved screen, the first curved discharge channel, and the second curved discharge channel, a high-speed collision impact process is performed, and excess gas carries part of the powder that meets the particle size requirements and blows through the first curved screen, and is directly discharged through the first curved discharge channel. The powder in the crushing trough continues to pass through the second curved screen, and the powder that meets the particle size requirements continues to be screened out, and is discharged through the second curved discharge channel and the discharge pipe, thereby realizing an automatic screening process.

[0024] 4. By installing multiple back-blowing pipes, air blowing pipes and opening and closing components, during the process of the powder in the crushing tank passing through the second arc-shaped screen, the back-blowing pipes blow air from the outside to the second arc-shaped screen at intervals through the dislocation of multiple back-blowing pipes and air blowing pipes, so that the powder blocked in the mesh can be blown out, and the conductive head intermittently contacts multiple electrical heads, so that the spring can be energized intermittently, and the spring is energized and contracts to pull the closing plate into the circular cavity, open the air blowing pipe, and the spring is de-energized and reset, and the closing plate closes the air blowing pipe, so that the intermittent opening and closing process of the air blowing pipe can be realized. The air blowing pipe blows air into the crushing tank, which can efficiently blow the powder in the crushing tank that meets the particle size requirements out of the second arc-shaped screen, thereby accelerating the screening speed.

[0025] 5. By installing the air blowing pipe, blow-out pipe, circulation pipe and distribution pipe, the powder that does not meet the particle size requirements is transferred to the right side, and the air blowing pipe blows it into the circulation pipe through the blow-out pipe, and then sends it back to the drop pipe through the circulation pipe and the distribution pipe, and circulates and crushes it to obtain a powder with a narrow particle size distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a side sectional view of the present invention;

[0027] Figure 2 It is a front cross-sectional view of the present invention;

[0028] Figure 3 for Figure 2 A schematic diagram of the structure enlargement at point A;

[0029] Figure 4 A cross-sectional view of the primary crushing box proposed by the present invention;

[0030] Figure 5 This is a schematic diagram of the inner surface of the rear fixing plate proposed by the present invention.

[0031] In the figure: 1 fixed plate, 2 pump air pipe, 3 rotating shaft, 4 turntable, 5 crushing trough, 6 discharge pipe, 7 second arc discharge channel, 8 blowing pipe, 9 worm gear, 10 worm, 11 transmission shaft, 12 gear, 13 first motor, 14 high pressure nozzle, 15 drop pipe, 16 distribution plate, 17 first arc discharge channel, 18 second arc screen, 19 first arc screen, 20 circulation pipe, 21 rotating shaft, 22 primary crushing box, 23 material box, 24 distribution pipe, 25 drop hopper, 26 second motor, 27 discharge port, 28 impact plate, 29 back blowing pipe, 30 annular sealing plate, 31 air pump, 32 conductive head, 33 blow pipe, 34 closing plate, 35 spring, 36 circular cavity. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific implementation disclosed below.

[0033] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0034] Reference Figure 1-5A pulverizing device for producing soluble granules of pesticides, comprising a pair of fixed disks 1 fixedly mounted on a bracket, an annular sealing plate 30 fixedly connected between the pair of fixed disks 1, a rotating disk 4 rotatably connected inside the annular sealing plate 30, a plurality of pulverizing grooves 5 arranged on the circumferential side wall of the rotating disk 4, a first arc-shaped screen 19 arranged on the top of the annular sealing plate 30, a second arc-shaped screen 18 arranged on a section extending from the upper left to the lower right of the annular sealing plate 30, the circumferential side wall of the rotating disk 4 abuts against the annular sealing plate 30, and high-pressure nozzles 14 are arranged on both sides of the top of the pair of fixed disks 1 The ends of a pair of high-pressure nozzles 14 extend to both sides of the upper crushing groove 5, a pair of fixed disks 1 are rotatably connected with a rotating shaft 3, the rotating shaft 3 passes through the turntable 4 and is fixedly connected thereto, a first motor 13 is fixedly installed on the rear fixed disk 1, and the output end of the first motor 13 is connected to the rotating shaft 3 through a pair of gears 12. The form of a plurality of cyclic crushing grooves 5 is adopted, and the crushing process can be intermittently completed in a single crushing groove 5, and the crushing amount is controlled, thereby improving the effect of collision impact, and the crushing effect is good, and a continuous crushing process can also be realized.

[0035] A first arc-shaped discharge channel 17 and a second arc-shaped discharge channel 7 are fixed between a pair of fixed plates 1. The second arc-shaped discharge channel 7 is covered on the periphery of the second arc-shaped screen 18. A discharge pipe 6 is provided at the bottom of the second arc-shaped discharge channel 7. The inlet mask of the first arc-shaped discharge channel 17 is provided on the first arc-shaped screen 19. The discharge port of the first arc-shaped discharge channel 17 is connected with the discharge pipe 6. The excess gas carries part of the powder that meets the particle size requirements and blows through the first arc-shaped screen 19, and is directly discharged through the first arc-shaped discharge channel 17. The powder in the crushing trough 5 continues to pass through the second arc-shaped screen 18, and the powder that meets the particle size requirements continues to be screened out, and is discharged through the second arc-shaped discharge channel 7 and the discharge pipe 6, thereby realizing an automatic screening process.

[0036] The rotating disk 4 is provided with an air blowing mechanism capable of intermittently blowing air into the crushing groove 5. The air blowing mechanism comprises a plurality of air blowing pipes 8 circumferentially arranged in the rotating disk 4. The plurality of air blowing pipes 8 are connected to the plurality of crushing grooves 5 one by one. The inner ends of the plurality of air blowing pipes 8 are connected to the rotating shaft 3. The rotating shaft 3 is hollow. The rear end of the rotating shaft 3 is connected to the pump air pipe 2 through a rotating joint. An opening and closing component is installed in the air blowing pipe 8. The opening and closing component comprises a circular cavity 36 arranged in the rotating disk 4. A closing plate 34 is elastically connected to the circular cavity 36 through a spring 35. The closing plate 34 extends into the corresponding air blowing pipe 8. A plurality of conductive heads 32 are circumferentially embedded in the rear side of the rotating disk 4. A plurality of conductive heads 32 are electrically connected to a plurality of springs 35 in a one-to-one correspondence, a plurality of electrical heads 37 cooperating with the conductive heads 32 are circumferentially embedded in the inner wall of the rear fixed disk 3, and the plurality of electrical heads 37 are distributed from the upper left to the right side. A plurality of back-blowing pipes 29 are circumferentially fixedly connected to the inner circumference of the second arc-shaped discharge channel 7, and the positions of the plurality of back-blowing pipes 29 are staggered with the plurality of electrical heads 37. A plurality of back-blowing holes blowing toward the outside of the second arc-shaped screen 18 are provided on the side wall of the back-blowing pipe 29. The staggered blowing of the plurality of back-blowing pipes 29 and the blowing pipe 8 can efficiently blow the powder meeting the particle size requirements in the crushing trough 5 out of the second arc-shaped screen 18, thereby accelerating the screening speed.

[0037] A pair of high-pressure nozzles 14 are each equipped with a drop pipe 15 for intermittently conveying raw materials at the top, a material box 23 is fixedly installed at the upper end of the two drop pipes 15, a primary crushing box 22 is installed between the two material boxes 23, and an intermittent material discharge component is installed in the drop pipe 15, and the intermittent material discharge component includes a rotating shaft 21 rotatably connected between the two drop pipes 15, both ends of the rotating shaft 21 extend to the connection point between the corresponding drop pipe 15 and the material box 23, and the two extended ends of the rotating shaft 21 are circumferentially fixed with a plurality of dividing plates 16, and the front ends of the rotating shaft 3 and the rotating shaft 21 are fixed with worm gears 9, and a vertical transmission shaft 11 is rotatably connected to the bracket, and a worm 10 meshing with the corresponding worm wheel 9 is connected in series to the transmission shaft 11. Through a pair of worm wheels 9 and a pair of worms 10, under the transmission of the transmission shaft 11, the rotating shaft 3 can drive the rotating shaft 21 to rotate, thereby realizing a quantitative material discharge process.

[0038] Furthermore, a hopper 25 is provided on the top of the primary crushing box 22, and a second motor 26 is installed at the bottom of the primary crushing box 22. The output end of the second motor 26 extends into the primary crushing box 22 and is fixedly connected to a plurality of groups of staggered impact plates 28. Both sides of the bottom of the primary crushing box 22 are provided with discharge ports 27 connected to the corresponding material boxes 23. Starting the second motor 26 drives the plurality of groups of staggered impact plates 28 to rotate at high speed, crushing the raw materials into small particles and then falling into the material boxes 2 on both sides, thereby reducing the workload of subsequent crushing.

[0039] A circulation component that can transport unscreened powder to two blanking pipes 15 is installed on the right side of a pair of fixed disks 1. The circulation component includes a blow-out pipe 33 fixedly connected to the right side of the annular sealing plate 30. The inner end of the blow-out pipe 33 is connected to the inner side of the annular sealing plate 30. The outer end of the blow-out pipe 33 is fixedly connected to the circulation pipe 20. The lower end of the circulation pipe 20 is connected to an air pump 31. The upper end of the circulation pipe 20 is connected to the two blanking pipes 15 through a distribution pipe 24. After the powder that meets the particle size requirements is transferred to the right side, the air pipe 8 blows it into the circulation pipe 20 through the blow-out pipe 33, and sends it back to the blanking pipe 15 through the circulation pipe 20 and the distribution pipe 24. It is circulated and crushed, and the obtained powder has a narrow particle size distribution.

[0040] The present invention also provides a pulverizing method for producing pesticide soluble granules, comprising the following steps:

[0041] S1, the raw materials with larger particle size are fed into the primary crushing box 22, and the high-speed rotating impact plate 28 crushes them into small particles, which then fall into the material boxes 2 on both sides, and other raw materials with smaller particle size are added to the material boxes 2;

[0042] S2, multiple crushing troughs 5 are intermittently turned upward, and the intermittent feeding assembly drops the powdered raw materials into the high-pressure nozzle 14 through the feeding pipe 15. High-pressure gas is introduced into a pair of high-pressure nozzles 14 to accelerate the powdered raw materials from both sides and blow them into the upper crushing trough 5. After the powdered raw materials collide and impact at high speed, they are crushed into powders with smaller particle sizes;

[0043] S3, during the high-speed collision impact process, the excess gas carries part of the powder that meets the particle size requirements and blows through the first arc-shaped screen 19, and is directly discharged through the first arc-shaped discharge channel 17. The powder in the crushing tank 5 continues to pass through the second arc-shaped screen 18. Through the offset blowing of multiple back-blowing pipes 29 and the blowing pipe 8, the powder in the crushing tank 5 that meets the particle size requirements can be efficiently blown out of the second arc-shaped screen 18, and discharged through the second arc-shaped discharge channel 7 and the discharge pipe 6;

[0044] S4. After the powder that does not meet the particle size requirements is transferred to the right side, the air blowing pipe 8 blows it into the circulation pipe 20 through the blowing pipe 33, and then sends it back to the drop pipe 15 through the circulation pipe 20 and the distribution pipe 24 for cyclic crushing.

[0045] Raw materials with larger particle sizes are fed into the primary crushing box 22, and the high-speed rotating impact plate 28 breaks them into small particles, which then fall into the material boxes 2 on both sides. Other raw materials with smaller particle sizes are then added to the material boxes 2, and the rotating shaft 21 drives the multiple dividing plates 16 to rotate in the gaps to achieve a quantitative material discharge process.

[0046] Start the first motor 13, and drive the rotating shaft 3 to rotate through a pair of gears 12, and then drive the turntable 4 to rotate, and the multiple crushing troughs 5 intermittently rotate to the upper side, and the intermittent feeding component drops the powdered raw materials into the high-pressure nozzle 14 through the feeding pipe 15. High-pressure gas is introduced into the pair of high-pressure nozzles 14 to accelerate the powdered raw materials from both sides and blow them into the upper crushing trough 5. After high-speed collision and impact between the powdered raw materials, they are broken into powders with smaller particle sizes. The use of a circulating multiple crushing troughs 5 can intermittently complete the crushing process in a single crushing trough 5, and the crushing amount is controlled, thereby improving the effect of the collision and impact, and the crushing effect is good, and a continuous crushing process can also be realized.

[0047] During the high-speed collision impact process, the excess gas carries part of the powder that meets the particle size requirements and blows through the first arc screen 19, and is directly discharged through the first arc discharge channel 17. The powder in the crushing tank 5 continues to pass through the second arc screen 18, and the powder that meets the particle size requirements continues to be screened out. Through the staggered blowing of multiple back-blowing pipes 29 and the blowing pipe 8, the back-blowing pipe 29 blows from the outside to the second arc screen 18 at intervals, and the powder blocked in the mesh can be blown out. The conductive head 32 intermittently contacts multiple contacts. The electric head 37 can intermittently energize the spring 35, and the spring 35 is energized and contracts to pull the closing plate 34 into the circular cavity 36, opening the air blowing pipe 8. The spring 35 is de-energized and reset, and the closing plate 34 closes the air blowing pipe, thereby realizing the intermittent opening and closing process of the air blowing pipe 8. The air blowing pipe 8 blows air into the crushing tank 5, and can efficiently blow the powder that meets the particle size requirements in the crushing tank 5 out of the second arc screen 18, thereby accelerating the screening speed, and discharging the material through the second arc discharge channel 7 and the discharge pipe 6, thereby realizing the automatic screening process.

[0048] After the powder that does not meet the particle size requirements is transferred to the right side, the conductive head 32 contacts the power connection head 37 on the right side, and the air blowing pipe 8 is opened. The air blowing pipe 8 blows the powder that does not meet the particle size requirements into the circulation pipe 20 through the blow-out pipe 33, and the air pump 31 is started to blow the powder in the circulation pipe 20 upward, and send it back to the drop pipe 15 through the distribution pipe 24, and the powder is circulated and crushed, and the obtained powder has a narrow particle size distribution.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pulverizing device for producing pesticide soluble granules, comprising a pair of fixed plates (1) fixedly mounted on a bracket, characterized in that: An annular sealing plate (30) is fixedly connected between the pair of fixed disks (1), a rotating disk (4) is rotatably connected inside the annular sealing plate (30), a plurality of crushing grooves (5) are provided on the circumferential side wall of the rotating disk (4), a first arc-shaped screen (19) is provided on the top of the annular sealing plate (30), a second arc-shaped screen (18) is provided on a section extending from the upper left to the lower right of the annular sealing plate (30), the circumferential side wall of the rotating disk (4) abuts against the annular sealing plate (30), high-pressure nozzles (14) are installed on both sides of the top of the pair of fixed disks (1), the ends of the pair of high-pressure nozzles (14) extend to both sides of the upper crushing grooves (5), and a first arc-shaped outlet is fixed between the pair of fixed disks (1). A material channel (17) and a second arc-shaped discharge channel (7), wherein the second arc-shaped discharge channel (7) is covered on the periphery of the second arc-shaped screen (18), a discharge pipe (6) is provided at the bottom of the second arc-shaped discharge channel (7), a material inlet mask of the first arc-shaped discharge channel (17) is provided on the first arc-shaped screen (19), a discharge port of the first arc-shaped discharge channel (17) is connected with the discharge pipe (6), a blowing mechanism capable of intermittently blowing air into the crushing trough (5) is installed in the rotating disk (4), a drop pipe (15) for intermittently conveying raw materials is installed on the top of a pair of the high-pressure nozzles (14), and a circulation component capable of conveying unscreened powder to the two drop pipes (15) is installed on the right side of the pair of fixed disks (1).

2. A pulverizing device for producing pesticide soluble granules according to claim 1, characterized in that: A rotating shaft (3) is rotatably connected between the pair of fixed disks (1); the rotating shaft (3) passes through the rotating disk (4) and is fixedly connected thereto; a first motor (13) is fixedly mounted on the rear side of the fixed disk (1); an output end of the first motor (13) is transmission-connected to the rotating shaft (3) via a pair of gears (12).

3. A pulverizing device for producing pesticide soluble granules according to claim 2, characterized in that: The blowing mechanism comprises a plurality of blowing pipes (8) circumferentially arranged in a rotating disk (4), the plurality of blowing pipes (8) being connected to a plurality of crushing grooves (5) in a one-to-one correspondence, the inner ends of the plurality of blowing pipes (8) being connected to a rotating shaft (3), the rotating shaft (3) being hollow, the rear end of the rotating shaft (3) being connected to a pump air pipe (2) via a rotating joint, and an opening and closing component being installed in the blowing pipe (8).

4. A pulverizing device for producing pesticide soluble granules according to claim 3, characterized in that: The opening and closing assembly comprises a circular cavity (36) arranged in a rotating disk (4), a closing plate (34) being elastically connected to the circular cavity (36) via a spring (35), the closing plate (34) extending into the corresponding air blowing pipe (8), a plurality of conductive heads (32) being circumferentially embedded in the rear side of the rotating disk (4), the plurality of conductive heads (32) being electrically connected to the plurality of springs (35) in a one-to-one correspondence, a plurality of electrical connection heads (37) cooperating with the conductive heads (32) being circumferentially embedded in the inner wall of the rear fixed disk (3), the plurality of electrical connection heads (37) being distributed from the upper left to the right.

5. A pulverizing device for producing pesticide soluble granules according to claim 4, characterized in that: A plurality of back-blowing tubes (29) are fixedly connected to the inner circumference of the second arc-shaped discharge channel (7), and the positions of the plurality of back-blowing tubes (29) are staggered with a plurality of electrical connectors (37). The side wall of the back-blowing tube (29) is provided with a plurality of back-blowing holes blowing toward the outside of the second arc-shaped screen (18).

6. A pulverizing device for producing pesticide soluble granules according to claim 1, characterized in that: The circulation component comprises a blow-out pipe (33) fixedly connected to the right side of the annular sealing plate (30), the inner end of the blow-out pipe (33) being in communication with the inner side of the annular sealing plate (30), the outer end of the blow-out pipe (33) being fixedly connected to a circulation pipe (20), the lower end of the circulation pipe (20) being butt-jointed with an air pump (31), and the upper end of the circulation pipe (20) being connected to the two drop pipes (15) via a distribution pipe (24).

7. A pulverizing device for producing pesticide soluble granules according to claim 2, characterized in that: A material box (23) is fixedly installed at the upper ends of the two material boxes (15), a primary crushing box (22) is installed between the two material boxes (23), and an intermittent material discharge component is installed in the material box (15).

8. A pulverizing device for producing pesticide soluble granules according to claim 7, characterized in that: The intermittent material discharge component includes a rotating shaft (21) rotatably connected between two material discharge tubes (15), both ends of the rotating shaft (21) extend to the connection point between the corresponding material discharge tube (15) and the material box (23), and the two extended ends of the rotating shaft (21) are circumferentially fixed with a plurality of material distribution plates (16), and the front ends of the rotating shaft (3) and the rotating shaft (21) are fixed with a worm gear (9), and the bracket is rotatably connected with a vertical transmission shaft (11), and the transmission shaft (11) is serially connected with a worm (10) meshing with the corresponding worm gear (9).

9. A pulverizing device for producing pesticide soluble granules according to claim 7, characterized in that: A hopper (25) is provided on the top of the primary crushing box (22), a second motor (26) is installed on the bottom of the primary crushing box (22), an output end of the second motor (26) extends into the primary crushing box (22) and is fixedly connected to a plurality of groups of offset impact plates (28), and discharge ports (27) communicating with corresponding material boxes (23) are provided on both sides of the bottom of the primary crushing box (22).

10. A pulverizing method based on the pulverizing device for producing pesticide soluble granules according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1, raw materials with larger particle sizes are fed into the primary crushing box (22), and the high-speed rotating impact plate (28) crushes them into small particles, which then fall into the material boxes (2) on both sides, and other raw materials with smaller particle sizes are then added to the material boxes (2); S2, the plurality of crushing troughs (5) are intermittently rotated upward, and the intermittent feeding assembly allows the powdered raw materials to fall into the high-pressure nozzle (14) through the feeding pipe (15). High-pressure gas is introduced into the pair of high-pressure nozzles (14) to accelerate the powdered raw materials from both sides and blow them into the crushing trough (5) at the top. After the powdered raw materials collide and impact at high speed, they are crushed into powders with smaller particle sizes; S3, during the high-speed collision impact process, the excess gas carries part of the powder that meets the particle size requirements and blows it through the first arc-shaped screen (19), and directly discharges the powder through the first arc-shaped discharge channel (17). The powder in the crushing tank (5) continues to pass through the second arc-shaped screen (18), and through the offset blowing of multiple back-blowing pipes (29) and the blowing pipe (8), the powder that meets the particle size requirements in the crushing tank (5) can be efficiently blown out of the second arc-shaped screen (18), and discharged through the second arc-shaped discharge channel (7) and the discharge pipe (6); S4. After the powder that does not meet the particle size requirements is transferred to the right side, the air blowing pipe (8) blows it into the circulation pipe (20) through the blow-out pipe (33), and then sends it back to the drop pipe (15) through the circulation pipe (20) and the distribution pipe (24) for cyclic crushing.

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