阅读说明：本技术 一种复混肥料造粒成型后自动化干燥设备 (Automatic drying equipment after compound fertilizer granulation shaping ) 是由 陈徐 于 2021-09-27 设计创作，主要内容包括：本发明涉及肥料干燥的技术领域,特别涉及一种复混肥料造粒成型后自动化干燥设备,包括固定框、进料口和干燥装置,所述的固定框的上端左侧开设有进料口,固定框内设置有干燥装置；本发明可以解决传统的干燥方法往往难以对底层的复混肥料颗粒进行干燥处理,导致整体的复混肥料颗粒干燥率低,且复混肥料颗粒常常会结团,传统的干燥方式对结团内部的复混肥料颗粒的干燥效果不佳的问题；本发明设计了一种对复混肥料颗粒进行翻边、震散并干燥的设备,可将底层的复混肥料颗粒翻出,提升了底层的复混肥料颗粒的干燥效果,还可以将已经结团的复混肥料颗粒震散,使团块内部的复混肥料颗粒也能被有效的干燥。(The invention relates to the technical field of fertilizer drying, in particular to automatic drying equipment for granulated and molded compound fertilizer, which comprises a fixed frame, a feeding hole and a drying device, wherein the feeding hole is formed in the left side of the upper end of the fixed frame, and the drying device is arranged in the fixed frame; the method can solve the problems that the traditional drying method is difficult to dry the compound fertilizer particles on the bottom layer, so that the drying rate of the whole compound fertilizer particles is low, the compound fertilizer particles are often agglomerated, and the drying effect of the traditional drying method on the compound fertilizer particles in the agglomeration is poor; the invention designs equipment for flanging, shaking-dispersing and drying the compound fertilizer granules, which can be used for turning out the compound fertilizer granules at the bottom layer, improving the drying effect of the compound fertilizer granules at the bottom layer and shaking-dispersing the agglomerated compound fertilizer granules, so that the compound fertilizer granules in the agglomerate can be effectively dried.)

1. The utility model provides an automatic drying equipment after compound fertilizer granulation shaping, includes fixed frame (1), feed inlet (2) and drying device (3), its characterized in that: a feed inlet (2) is formed in the left side of the upper end of the fixed frame (1), and a drying device (3) is arranged in the fixed frame (1);

the drying device (3) comprises transmission rollers (31), a transmission belt (32), a transmission motor (33), flanging mechanisms (34), a belt (35), a vibration scattering mechanism (36), an air blowing mechanism (37) and a heating rod (38), the transmission rollers (31) which are bilaterally symmetrical are rotatably installed in a fixed frame (1), the transmission belt (32) is connected between the transmission rollers (31), the front end of the transmission roller (31) on the right side is connected with an output shaft of the transmission motor (33), the transmission motor (33) is installed on the fixed frame (1) through a base, the flanging mechanisms (34) are symmetrically arranged on the left side and the right side in the fixed frame (1), the belt (35) is connected between the front ends of the flanging mechanisms (34), the vibration scattering mechanism (36) is arranged in the fixed frame (1), the front end of the vibration scattering mechanism (36) is tightly attached to the belt (35), the air blowing mechanism (37) is arranged on the fixed frame (1), a plurality of heating rods (38) are symmetrically arranged on the inner walls of the front side and the rear side of the fixed frame (1), and the heating rods (38) on the same side are uniformly arranged;

the flanging mechanism (34) comprises a rotating roller (341), a groove (342), a sliding rod (343), a connecting spring (344), a flanging frame (345), a discharge hole (346) and a first spool (347), the rotating roller (341) is arranged in the fixed frame (1) in a rotating mode, the groove (342) is uniformly formed in the outer wall of the rotating roller (341) along the circumferential direction of the rotating roller, the sliding rod (343) is installed in the groove (342) in a sliding mode, the sliding rod (343) is connected with the groove (342) through the connecting spring (344), the flanging frame (345) is installed at one end, far away from the groove (342), of the flanging frame (345) is uniformly formed in one end, close to the groove (342), of the flanging frame (345), the discharge hole (346) is uniformly formed in the front end of the rotating roller (341), the first spool (347) is installed at the front end of the rotating roller (341), and the belt (35) is connected with the first spool (347).

2. The automatic drying equipment for the compound fertilizer after granulation and molding according to claim 1, which is characterized in that: the upper end of the fixing frame (1) is provided with a heat dissipation port (11), and a heat dissipation net (12) is arranged in the heat dissipation port (11).

3. The automatic drying equipment for the compound fertilizer after granulation and molding according to claim 1, which is characterized in that: the vibration scattering mechanism (36) comprises a connecting shaft (361), a second spool (362), a cam (363), a limiting groove (364), a sliding frame (365), a reset spring (366), vibration scattering branched chains (367) and a driving motor (368), the connecting shaft (361) is rotatably installed in a fixing frame (1), the second spool (362) is fixed on the front side of the connecting shaft (361), the second spool (362) is connected with a belt (35), the cams (363) are symmetrically installed at the front end and the rear end of the connecting shaft (361), the limiting grooves (364) are symmetrically formed in the front side and the rear side of the fixing frame (1), the sliding frame (365) is slidably installed in the limiting groove (364), the cam (363) is located above the sliding frame (365), the sliding frame (365) is connected with the limiting groove (364) through the reset spring (366), the sliding frames (365) on the front side and the rear side are connected through the vibration scattering branched chains (367) which are uniformly arranged, the cam (363) at the rear side is connected with an output shaft of a driving motor (368), and the driving motor (368) is installed on the fixed frame (1) through a fixed seat.

4. The automatic drying equipment for the compound fertilizer after granulation and molding according to claim 3, characterized in that: the middle position of the cam (363) is a circular plate, and convex blocks are uniformly arranged on the outer side wall of the circular plate along the circumferential direction of the circular plate.

5. The automatic drying equipment for the compound fertilizer after granulation and molding according to claim 3, characterized in that: shake scattered branch (367) including installation pole (3671), dashpot (3672), buffering round bar (3673) and buffer spring (3674), even have installation pole (3671) between slip frame (365), dashpot (3672) have been seted up to the upper end of installation pole (3671), install buffering round bar (3673) through sliding fit's mode in dashpot (3672), buffering round bar (3673) are connected with dashpot (3672) through buffer spring (3674).

6. The automatic drying equipment for the compound fertilizer after granulation and molding according to claim 1, which is characterized in that: blast mechanism (37) include venthole (371), intercommunication chamber (372) and fan (373), the venthole (371) of even setting is seted up to the symmetry on the inner wall of fixed frame (1) front and back both sides, through intercommunication chamber (372) intercommunication between venthole (371) of homonymy, the upper end of intercommunication chamber (372) is linked together with the output of fan (373), fan (373) install the upper end right side at fixed frame (1) through unable adjustment base.

7. The automatic drying equipment for the compound fertilizer after granulation and molding according to claim 1, which is characterized in that: the left and right sides symmetry of transmission band (32) upper end be provided with spacing block group (321), spacing block group (321) include the stopper that two upper and lower symmetries set up, the stopper is installed on the inner wall of fixed frame (1).

8. The automatic drying equipment for the compound fertilizer after granulation and molding according to claim 7, characterized in that: the one end that the stopper is close to transmission band (32) rotate through the round pin axle and install two spacing roller bearings (322), both sides at transmission band (32) upper end are hugged closely to spacing roller bearing (322), the one end that the stopper kept away from transmission band (32) is the cambered surface.

Technical Field

The invention relates to the technical field of fertilizer drying, in particular to automatic drying equipment for granulated and formed compound fertilizer.

Background

The compound fertilizer is a general name of compound fertilizers and mixed fertilizers, and refers to fertilizers containing indicated amounts of two or more nutrients in three elements of nitrogen, phosphorus and potassium. The compound fertilizer can improve the fertilizing efficiency, reduce the fertilizing times and save the fertilizing cost. The compound fertilizer is generally prepared into granules, the granular compound fertilizer has the advantages of improving the physical properties of the product, being suitable for machine fertilization, improving the fertilization efficiency and the like, and after the compound fertilizer is granulated and formed, the compound fertilizer is often dried to ensure the quality of the compound fertilizer.

At present, the following defects are generally existed in the drying of the granulated and formed compound fertilizer particles: 1. the traditional drying method generally performs uniform drying treatment on the compound fertilizer particles in transportation, while the compound fertilizer particles at the bottom layer are difficult to dry during transportation of the compound fertilizer particles, so that the overall drying rate of the compound fertilizer particles is low, part of the compound fertilizer particles are not completely dried, and the fertilizing effect of the compound fertilizer particles is reduced; 2. compound fertilizer granule often can agglomerate, and traditional drying method is comparatively single and not good to the drying effect of the compound fertilizer granule of agglomerating inside, need carry out long-time drying, leads to compound fertilizer granule's output efficiency lower.

Disclosure of Invention

The technical scheme is as follows: in order to solve the problems, the invention specifically adopts the following technical scheme that the automatic drying equipment for the compound fertilizer after granulation and molding comprises a fixed frame, a feeding hole and a drying device, wherein the feeding hole is formed in the left side of the upper end of the fixed frame, and the drying device is arranged in the fixed frame.

Drying device include the transmission roller, the transmission band, the transmission motor, turn-ups mechanism, the belt, shake scattered mechanism, air-blast mechanism and heating rod, bilateral symmetry's transmission roller is installed to the fixed frame internal rotation, even there is the transmission band between the transmission roller, the front end of the transmission roller on right side and the output shaft of transmission motor, the transmission motor passes through pedestal mounting on fixed frame, the inside left and right sides symmetry of fixed frame is provided with turn-ups mechanism, even there is the belt between turn-ups mechanism's the front end, it sets up in fixed frame to shake scattered mechanism, shake scattered mechanism's front end and belt and hug closely, be provided with air-blast mechanism on the fixed frame, the symmetry is provided with a plurality of heating rods on the inner wall of both sides around the fixed frame, and the heating rod evenly distributed of homonymy.

The flanging mechanism comprises a rotating roller, a groove, a sliding rod, a connecting spring, a flanging frame, a discharge hole and a spool, the rotating roller is arranged in a fixed frame, the groove is uniformly formed in the outer wall of the rotating roller along the circumferential direction of the rotating roller, the sliding rod is slidably mounted in the groove and connected with the groove through the connecting spring, the flanging frame is mounted at the end, away from the groove, of the sliding rod, the discharge hole is uniformly formed in the end, close to the groove, of the flanging frame, the spool is mounted at the front end of the rotating roller, and a belt is connected with the spool.

Preferably, the upper end of the fixing frame is provided with a heat dissipation port, and a heat dissipation net is arranged in the heat dissipation port.

Preferably, shake scattered mechanism include connecting axle, No. two I-shaped wheels, the cam, the spacing groove, the slip frame, reset spring, shake scattered branch chain and driving motor, the connecting axle is installed to the fixed frame internal rotation, the front side of connecting axle is fixed with No. two I-shaped wheels, No. two I-shaped wheels are connected with the belt, the cam is installed to both ends symmetry around the connecting axle, the spacing groove has been seted up to both sides symmetry around the fixed frame, slidable mounting has the slip frame in the spacing groove, the cam is located the top of slip frame, the slip frame is connected with the spacing groove through reset spring, shake scattered chain connection through evenly setting between the slip frame of both sides around, the cam of rear side and driving motor's output shaft, driving motor passes through the fixing base and installs on fixed frame.

Preferably, the middle position of the cam is a circular plate, and the outer side wall of the circular plate is uniformly provided with lugs along the circumferential direction.

Preferably, the vibration scattering branch chain comprises an installation rod, a buffer groove, a buffering round rod and a buffering spring, the installation rod is connected between the sliding frames, the buffer groove is formed in the upper end of the installation rod, the buffering round rod is installed in the buffer groove in a sliding fit mode, and the buffering round rod is connected with the buffer groove through the buffering spring.

Preferably, the air blowing mechanism include venthole, intercommunication chamber and fan, the venthole of evenly setting is seted up to the symmetry on the inner wall of fixed frame front and back both sides, through intercommunication chamber intercommunication between the venthole of homonymy, the upper end in intercommunication chamber is linked together with the output of fan, the fan passes through unable adjustment base and installs the upper end right side at fixed frame.

Preferably, the left and right sides symmetry of transmission band upper end be provided with spacing block group, spacing block group includes the stopper that two longitudinal symmetries set up, the stopper is installed on the inner wall of fixed frame.

Preferably, the one end that the stopper is close to the transmission band rotate through the round pin axle and install two spacing rollers, the both sides at the transmission band upper end are hugged closely to spacing roller, the one end that the stopper kept away from the transmission band is the cambered surface.

(II) beneficial effect: 1. the invention designs the drying equipment for flanging and shaking-dispersing the compound fertilizer particles while transporting the compound fertilizer particles, wherein the flanging turns out the compound fertilizer particles at the bottom layer during transportation, so that the drying effect of the compound fertilizer particles at the bottom layer is improved, the quantity of particles which are not dried in the whole compound fertilizer particles is reduced, the fertilizing effect of the compound fertilizer particles is ensured, and the compound fertilizer particles which are agglomerated can be shaken-dispersed, so that the compound fertilizer particles in the agglomerates can be effectively dried.

2. According to the invention, the compound fertilizer particles on the conveying belt are shoveled up through the flanging frame, and then the flanging frame is driven to rotate by the rotating roller, so that most of the compound fertilizer particles on the surface layer slide out of the discharge hole in the rotating process of the flanging frame, most of the compound fertilizer particles on the bottom layer slide out along one end, close to the groove, of the flanging frame, and then most of the compound fertilizer particles on the bottom layer can move to the surface layer for drying, and the drying effect is improved.

3. According to the invention, the compound fertilizer particles in transportation are vibrated through the vibration scattering mechanism, so that the agglomerated compound fertilizer particles are shattered, meanwhile, the contact area between the compound fertilizer particles and the conveying belt and between the compound fertilizer particles and other particles is reduced in the vibration process, and further, the contact area between the compound fertilizer particles and hot air is increased, and the drying efficiency is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic partial perspective view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a sectional view taken along line a-a of fig. 3 in accordance with the present invention.

Fig. 5 is a cross-sectional view taken along line B-B of fig. 3 of the present invention.

Fig. 6 is an enlarged view of the invention at X of fig. 4.

Fig. 7 is a partial enlarged view of the invention at Y of fig. 4.

Fig. 8 is an enlarged view of the invention at Z of fig. 5.

In the figure: 1. a fixing frame; 11. a heat dissipation port; 12. a heat-dissipating web; 2. a feed inlet; 3. a drying device; 31. a transfer roller; 32. a conveyor belt; 321. a limiting block group; 322. a limiting roller; 33. a transmission motor; 34. a flanging mechanism; 341. a rotating roller; 342. a groove; 343. a slide bar; 344. a connecting spring; 345. turning over the frame; 346. a discharge hole; 347. a spool I; 35. a belt; 36. a vibration dispersion mechanism; 361. a connecting shaft; 362. a second spool; 363. a cam; 364. a limiting groove; 365. a sliding frame; 366. a return spring; 367. vibrating and dispersing the branched chains; 3671. mounting a rod; 3672. a buffer tank; 3673. a buffer round bar; 3674. a buffer spring; 368. a drive motor; 37. a blower mechanism; 371. an air outlet; 372. a communicating cavity; 373. a fan; 38. the rod is heated.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1, 2 and 4, an automatic drying equipment after compound fertilizer granulation shaping includes fixed frame 1, feed inlet 2 and drying device 3, the upper end left side of fixed frame 1 seted up feed inlet 2, be provided with drying device 3 in the fixed frame 1.

Referring to fig. 1, the upper end of fixed frame 1 seted up thermovent 11, be provided with radiator-grid 12 in the thermovent 11, outwards transmit the heat in fixed frame 1 through thermovent 11, prevented that the heat from constantly accumulating and causing the problem of harm to the mechanism in fixed frame 1, be provided with radiator-grid 12 simultaneously and can also prevent the problem that compound fertilizer granule pops out at the in-process that shakes scattered.

Referring to fig. 1, 2 and 4, the drying device 3 includes a transmission roller 31, a transmission belt 32, a transmission motor 33, a flanging mechanism 34, a belt 35, a vibration scattering mechanism 36, a blowing mechanism 37 and heating rods 38, the transmission roller 31 is rotatably installed in the fixed frame 1 and is bilaterally symmetrical, the transmission belt 32 is connected between the transmission rollers 31, the front end of the transmission roller 31 on the right side is connected with an output shaft of the transmission motor 33, the transmission motor 33 is installed on the fixed frame 1 through a base, the flanging mechanisms 34 are symmetrically installed on the left side and the right side inside the fixed frame 1, the belt 35 is connected between the front ends of the flanging mechanisms 34, the vibration scattering mechanism 36 is installed in the fixed frame 1, the front end of the vibration scattering mechanism 36 is tightly attached to the belt 35, the blowing mechanism 37 is installed on the fixed frame 1, a plurality of heating rods 38 are symmetrically installed on the inner walls on the front side and the rear side of the fixed frame 1, and the heating rods 38 on the same side are uniformly arranged, when the drying device works, pouring compound fertilizer particles from the feeding port 2, dropping the compound fertilizer particles to the left side of the upper end of the transmission belt 32, driving the transmission roller 31 on the right side to rotate through the transmission motor 33, enabling the transmission belt 32 to move along with the transmission roller 31 on the left side to rotate, driving the compound fertilizer particles to be transported to the right through the transmission belt 32, performing first flanging on the compound fertilizer particles through the flanging mechanism 34 on the left side in the process of moving the compound fertilizer particles to the right, continuing moving the compound fertilizer particles to the right, shaking and scattering the agglomerated compound fertilizer particles through the shaking and scattering mechanism 36, shaking the compound fertilizer particles in the process of shaking and scattering, further enlarging the drying area, performing secondary flanging on the compound fertilizer particles through the flanging mechanism 34 on the right side after shaking and scattering, then dropping out from the right side of the upper end of the transmission belt 32, and then collecting the dropped compound fertilizer particles, in the whole conveying process of the compound fertilizer granules, air is blown to the compound fertilizer granules through the air blowing mechanism 37, the compound fertilizer granules are heated through the heating rod 38, and the compound fertilizer granules are dried in a mode of combining air blowing and heating.

Referring to fig. 4 and 6, the turn-up mechanism 34 includes a rotating roller 341, a groove 342, a sliding rod 343, a connecting spring 344, a turn-up frame 345, a discharge hole 346 and a first i-shaped wheel 347, the rotating roller 341 is rotatably disposed in the fixed frame 1, the groove 342 is uniformly disposed on the outer wall of the rotating roller 341 along the circumferential direction thereof, the sliding rod 343 is slidably mounted in the groove 342, the sliding rod 343 is connected with the groove 342 through the connecting spring 344, the turn-up frame 345 is mounted at one end of the sliding rod 343 far from the groove 342, the discharge hole 346 is uniformly disposed at one end of the turn-up frame 345 close to the groove 342, the first i-shaped wheel 347 is mounted at the front end of the rotating roller 341, the belt 35 is tightly attached to the first i-shaped wheel 347, during specific work, the first i-shaped wheels 347 at both sides are driven to rotate in the same direction by the movement of the belt 35, so that the rotating roller 341 rotates and drives the sliding rod 343 to rotate, the turn-up frame 345 and scoop up the mixed fertilizer particles on the conveyor belt 32 synchronously by the sliding rod 343, and then the compound fertilizer particles fall into the turned-up frame 345, the turned-up frame 345 is contacted with the transmission belt 32 in the process that the turned-up frame 345 scoops up the compound fertilizer particles, the damage of the turned-up frame 345 to the transmission belt 32 is reduced through the connecting spring 344, after the compound fertilizer particles are scooped up, the turned-up frame 345 continues to rotate, so that the compound fertilizer particles on the surface layer are contacted with the discharge holes 346 and fall from the discharge holes 346, and when the turned-up frame 345 rotates to a proper angle, the compound fertilizer particles on the bottom layer begin to slide out of the turned-up frame 345 and fall onto the surface of the compound fertilizer particle layer.

Referring to fig. 1, 2, 3 and 4, the vibration dissipating mechanism 36 includes a connecting shaft 361, a second i-wheel 362, a cam 363, a limiting groove 364, a sliding frame 365, a return spring 366, a vibration dissipating support chain 367 and a driving motor 368, the connecting shaft 361 is rotatably installed in the fixed frame 1, the second i-wheel 362 is fixed at the front side of the connecting shaft 361, the second i-wheel 362 is tightly attached to the belt 35, the cam 363 is symmetrically installed at the front and rear ends of the connecting shaft 361, the limiting groove 364 is symmetrically installed at the front and rear sides of the fixed frame 1, the sliding frame 365 is installed in the limiting groove 364, the cam 363 is located above the sliding frame 365, the sliding frame 365 is connected to the limiting groove 364 through the return spring 366, the sliding frames 365 at the front and rear sides are connected through the uniformly arranged vibration dissipating branch chains 367, the cam 363 at the rear side is connected to an output shaft of the driving motor 368, the driving motor 368 is installed on the fixed frame 1 through a fixing seat, the vibration and dispersion branch chain 367 is positioned below the upper end of the conveying belt 32; the middle position of the cam 363 is a circular plate, the outer side wall of the circular plate is uniformly provided with lugs along the circumferential direction, when the device works specifically, the driving motor 368 drives the cam 363 on the rear side to rotate, the connecting shaft 361 rotates along with the cam 363 on the two sides to rotate synchronously, the second I-shaped wheel 362 is driven to rotate in the rotating process of the connecting shaft 361 so as to enable the belt 35 to move, the flanging mechanism 34 is driven to work through the movement of the belt 35, when the cam 363 rotates, the lugs on the cam 363 push the sliding frame 365 to reciprocate in the vertical direction under the elastic action of the return spring 366, the vibration dispersion chain 367 reciprocates in the vertical direction along with the cam 363 and vibrates the transmission belt 32 so as to vibrate the compound fertilizer particles on the transmission belt 32, and in the vibration process, the drying treatment is carried out on the compound fertilizer particles on the transmission belt 32 through the blowing mechanism 37 and the heating rod 38.

Referring to fig. 4 and 7, the vibration dispersion branched chain 367 includes an installation rod 3671, a buffer groove 3672, a buffer round rod 3673 and a buffer spring 3674, the installation rod 3671 is connected between the sliding frames 365, the buffer groove 3672 is formed in the upper end of the installation rod 3671, the buffer round rod 3673 is installed in the buffer groove 3672 in a sliding fit manner, the buffer round rod 3673 is connected with the buffer groove 3672 through the buffer spring 3674, in specific work, when the vibration dispersion branched chain 367 reciprocates and vibrates the upper end of the conveying belt 32, the buffer round rod 3673 is in contact with the conveying belt 32, the impact force generated when the buffer round rod 3673 is in contact with the conveying belt 32 is reduced through the buffer spring 3674, the problem that the conveying belt 32 is damaged by the buffer round rod 3673 is prevented, and the problem that the compound fertilizer particles are crushed due to overlarge impact force of the buffer round rod 3673 is also prevented.

Referring to fig. 5 and 8, the blower mechanism 37 include venthole 371, intercommunication chamber 372 and fan 373, the venthole 371 of even setting is seted up to the symmetry on the inner wall of fixed frame 1 front and back both sides, communicate through intercommunication chamber 372 between the venthole 371 of homonymy, the upper end of intercommunication chamber 372 is linked together with fan 373's output, fan 373 passes through unable adjustment base and installs the upper end right side at fixed frame 1, concrete during operation, inject into gas in to intercommunication chamber 372 through fan 373, gas gets into intercommunication chamber 372 thereupon and blows out through venthole 371, carry out the drying to compound fertilizer granule through the gaseous cooperation heating rod 38 that blows out.

Referring to fig. 4 and 7, the left side and the right side of the upper end of the conveyor belt 32 are symmetrically provided with a limiting block set 321, the limiting block set 321 comprises two limiting blocks which are symmetrically arranged up and down, and the limiting blocks are installed on the inner wall of the fixed frame 1; the stopper be close to the one end of transmission band 32 and rotate through the round pin axle and install two spacing roller bearings 322, the both sides in the transmission band 32 upper end are hugged closely to spacing roller bearing 322, the one end that the transmission band 32 was kept away from to the stopper is the cambered surface, the in-process that shakes is carried out transmission band 32 at the mechanism 36 that shakes scattered, carry on spacingly through spacing block group 321 to the motion of transmission band 32, can also be through the stopper with probably gluing down the compound fertilizer granule of gluing on transmission band 32, make the compound fertilizer granule of being scraped down can receive the turn-ups and scatter and shake the processing.

The working steps of the invention are as follows: s1: the compound fertilizer particles are poured from the feeding hole 2, fall to the left side of the upper end of the conveying belt 32, the conveying roller 31 on the right side is driven to rotate through the conveying motor 33, the conveying belt 32 moves along with the conveying roller 31 on the left side, and the compound fertilizer particles are driven to be conveyed to the right through the conveying belt 32.

S2: in the process of moving the compound fertilizer particles to the right, the flanging mechanism 34 on the left side is used for flanging the compound fertilizer particles for the first time, so that the compound fertilizer particles on the bottom layer are turned out.

S3: the compound fertilizer particles continue to move rightwards and are shaken to be scattered by the shaking and scattering mechanism 36, the compound fertilizer particles are shaken to increase the drying area in the shaking and scattering process, the compound fertilizer particles are turned over again through the turning-over mechanism 34 on the right side after being shaken to be scattered, then fall out from the right side of the upper end of the transmission belt 32, and finally the fallen compound fertilizer particles are collected.

S4: in the working process of S1-S3, the air blowing mechanism 37 and the heating rod 38 are always in working state, air is blown into the compound fertilizer particles through the air blowing mechanism 37, the compound fertilizer particles are heated through the heating rod 38, and the compound fertilizer particles are dried in a mode of combining air blowing and heating.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.