CN218590459U - Fertilizer prilling granulator - Google Patents

Abstract

The utility model discloses a fertilizer prilling granulator relates to fertilizer field of making, including the granulation case, from last first screen cloth and the second screen cloth of setting down of follow in the granulation case, first screen cloth slope sets up in the granulation incasement, the lower intercommunication of first screen cloth is provided with first circulating pipe, second screen cloth below is provided with out the flitch, it sets up to go out the flitch slope the granulation incasement, go out the flitch with first screen cloth incline direction is the same, the lower intercommunication that goes out the flitch is provided with the second circulating pipe, first circulating pipe and second circulating pipe all communicate and are provided with auger hoist mechanism, auger hoist mechanism top and granulation room intercommunication, the device is with the granule screening that the particle size is not conform to the demand, sends back the granulation room through auger hoist mechanism and carries out the re-granulation, screens qualified granule and is collected by pushing equipment granulation case, and is easy and simple to handle, avoids follow-up increase screening work, alleviates operating personnel's work load.

Description

Fertilizer prilling granulator

Technical Field

The utility model relates to a fertilizer field of making specifically is a fertilizer prilling granulator.

Background

The organic fertilizer is prepared from biological substances, animal and plant wastes and plant residues, eliminates toxic and harmful substances in the organic fertilizer, and is rich in a large amount of beneficial substances. The granule after the granulation is because the effective nutrient of organic fertilizer release is different with the crop absorption mechanism, not only soil condition can exert an influence to the release of fertilizer, and the granularity of organic fertilizer also plays a role in the release of the active ingredient of fertilizer, consequently the particle diameter that the size is suitable has the important influence to the effect of organic fertilizer, current organic fertilizer prilling granulator hardly reaches the particle diameter completely evenly in the course of the work, still need follow-up screening plant of using to screen, not only occupy the place and still waste operating time, and the recovery difficulty of the unqualified granule of particle diameter, cause the waste, now lack one kind can screen suitable granule, and with the device of granulation again of the granule that the particle diameter does not satisfy the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a fertilizer prilling granulator, the fertilizer granule of the particle diameter that the screening accords with operation requirement carries out drying process, convenient operation again.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a fertilizer prilling granulator, includes the granulation case, from last to setting up first screen cloth and second screen cloth down in the granulation case, first screen cloth sets up in granulation room below, first screen cloth slope sets up in the granulation incasement, the lower intercommunication of first screen cloth is provided with first circulating pipe, second screen cloth top is provided with pushing equipment, second screen cloth below is provided with out the flitch, it sets up to go out the flitch slope in the granulation incasement, go out the flitch with first screen cloth incline direction is the same, the lower intercommunication that goes out the flitch is provided with the second circulating pipe, first circulating pipe and second circulating pipe all communicate and are provided with auger hoist mechanism, auger hoist mechanism is including promoting the casing, promote casing fixed connection in the lateral wall of granulation case, it is connected with the third circulating pipe to promote casing one side, the third circulating pipe other end intercommunication granulation room, the third circulating pipe to the direction downward sloping setting of granulation case sets up a plurality of screens, filters the granule of granule diameter auger, promotes back the granulation room through hoist mechanism and carries out the qualified granule that screens the sieving push equipment, and carry out the screening operation personnel's follow-up and alleviate the screening operation volume.

Further, auger hoisting device still includes auger shaft, promotes the blade, it is provided with the auger shaft to promote the internal rotation of casing, promote the axial spiral setting along auger shaft, promote the first motor of casing top fixedly connected with, the output shaft of first motor with auger shaft transmission is connected, sends back the material granulation room through auger hoisting device, carries out granulation again to the fertilizer granule that the granule is not conform to the requirement, promotes the result of use of fertilizer.

Further, granulation roof portion fixed mounting has two pneumatic cylinders, the output fixedly connected with briquetting of pneumatic cylinder, the briquetting slide the adaptation in the indoor wall of granulation, the indoor wall fixedly connected with orifice plate of granulation, the orifice plate sets up in the briquetting below, a plurality of crowded material holes have been seted up to the orifice plate, the orifice plate below is provided with cutting mechanism, utilizes pneumatic cylinder extrusion fertilizer thick liquids, makes its tentatively moulding, the follow-up cutting of being convenient for.

Further, cutting mechanism includes spiral cutting knife, second motor fixed connection is in the installation storehouse, the installation storehouse set up in between orifice plate and the first screen cloth, spiral cutting knife with there is the cutting clearance between the orifice plate, cuts the strip material through spiral cutting knife, adjusts the particle diameter through the rotational speed of control spiral cutting knife.

Further, pushing equipment includes base, lead screw, slider, push pedal, ejector pin, base fixed connection be in granulation incasement wall, the lead screw rotates to be connected in the base, slider thread bush is located on the lead screw, push pedal and ejector pin all are provided with two, two the parallel fixed connection of direction of motion of slider is followed respectively to the push pedal in the slider bottom, the push pedal bottom with second screen cloth top surface sliding contact, ejector pin fixed connection in the push pedal top, the discharge gate has all been seted up to granulation case both sides, the discharge gate is in on the removal route of ejector pin, the material of push pedal homonymy is gathered to the push pedal, and the granulation case is released with the material through the removal of slider on the lead screw, and the ejector pin is used for the automatic baffle of opening, alleviates the manual operation volume.

Further, the lead screw below is provided with the gag lever post, gag lever post fixed connection is on the base, spacing hole has been seted up to the slider, gag lever post adaptation in spacing hole, gag lever post pass the slider for the mobile mode of restriction slider avoids the slider to take place to rock at the removal in-process.

Further, granulation case articulates in discharge gate department has the baffle, and the baffle covers the discharge gate under the action of gravity, avoids in the screening process, and the fertilizer granule drops from the discharge gate.

Furthermore, granulation case both sides all are provided with stoving receipts workbin, stoving receipts workbin set up in baffle below, stoving receipts workbin includes stoving shell and stoving inner bag, the stoving shell is close to one side of granulation case with stoving inner bag is fixed continuous, a plurality of electrothermal tubes of fixedly connected with between stoving shell and the stoving inner bag, the setting of stoving case has reduced subsequent stoving step, promotes production efficiency.

Furthermore, the side of the granulating chamber is connected with a feeding pipe, the feeding pipe is divided into an inclined part and a vertical part, a spiral feeding mechanism is arranged in the inclined part, the feeding pipe is used for feeding materials into the granulating tank, and the spiral feeding mechanism is used for controlling the time of the materials entering the granulating tank.

Further, spiral feed mechanism includes pivot, helical blade, fourth motor, the pivot is followed the axis setting of the slope portion of inlet pipe, fourth motor fixed connection in the inlet pipe outer wall, the fourth motor with the pivot transmission meets, be provided with helical blade in the pivot, fertilizer thick liquids can be plugged up to helical blade on the one hand, avoids when the briquetting is not at the granulation room top, and fertilizer thick liquids fall to the briquetting top through the inlet pipe, influences the device operation, and on the other hand extrudees the messenger at the briquetting, can avoid fertilizer thick liquids to be extruded to the inlet pipe from the granulation room.

The utility model has the advantages that:

organic fertilizer slurry has errors in the cutting process, so that the particle size of organic fertilizer particles is not uniform, in order to improve the release efficiency of the organic fertilizer particles, a first screen is arranged to screen out the organic fertilizer with overlarge particles, the first screen is obliquely arranged in a granulation box, the organic fertilizer particles which cannot pass through the first screen enter a second circulating pipe under the action of gravity, enter a lifting shell along the second circulating pipe, are conveyed back to a granulation chamber by an auger lifting mechanism to be extruded again for granulation, the organic fertilizer particles with proper particle size are collected by the second screen, the particles with undersize particles fall into a discharge plate through the second screen, enter the second circulating pipe along the oblique discharge plate under the action of gravity, then enter the lifting shell along the second circulating pipe, are sent back to the granulation chamber again by the auger lifting mechanism to be granulated again, after screening, the organic fertilizer particles with the particle size meeting the requirement are on the second screen, then the organic fertilizer particles meeting the requirement are pushed out of the granulation box by a pushing mechanism to be collected, the operation is simple and convenient, the operation of the auger lifting mechanism is controlled, the subsequent increase of screening work load is avoided, and the operation personnel is reduced.

Drawings

FIG. 1 is a sectional view of a front view of an organic fertilizer granulating apparatus of the present invention;

FIG. 2 is a cross-sectional view of the left side view of the organic fertilizer granulating apparatus of the present invention;

fig. 3 is a top view of the pushing mechanism of the present invention;

FIG. 4 is an enlarged view of FIG. 1 at A;

in the figure, 1-a granulation box, 2-a first screen, 3-a second screen, 4-a granulation chamber, 5-a first circulating pipe, 6-a material pushing mechanism, 7-a discharging plate, 8-a second circulating pipe, 9-an auger lifting mechanism, 10-a lifting shell, 11-a third circulating pipe, 12-an auger shaft, 13-a lifting blade, 14-a first motor, 15-a hydraulic cylinder, 16-a pressing block, 17-a pore plate, 18-a cutting mechanism, 19-a spiral cutting knife, 20-a second motor, 21-a mounting bin, 22-a base, 23-a screw rod, 24-a sliding block, 25-a pushing plate, 26-a top rod, 27-a discharging port, 28-a limiting rod, 29-a baffle plate, 30-a drying material receiving box, 31-a drying shell, 32-a drying inner container, 33-an electric heating pipe, 34-a feeding pipe, 35-a spiral feeding mechanism, 36-a rotating shaft, 37-a spiral blade and 38-a fourth motor.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

An organic fertilizer granulating device is shown in figure 1, and comprises a granulating tank 1, a first screen 2 and a second screen 3 are arranged in the granulating tank 1 from top to bottom, the first screen 2 is arranged below a granulating chamber 4, the first screen 2 is obliquely arranged in the granulating tank 1, a first circulating pipe 5 is communicated with the lower part of the first screen 2, a material pushing mechanism 6 is arranged above the second screen 3, a material discharging plate 7 is arranged below the second screen 3, the material discharging plate 7 is obliquely arranged in the granulating tank 1, the material discharging plate 7 and the first screen 2 are in the same oblique direction, a second circulating pipe 8 is communicated with the lower part of the material discharging plate 7, auger lifting mechanisms 9 are respectively communicated with the first circulating pipe 5 and the second circulating pipe 8, the auger lifting mechanism 9 comprises a lifting shell 10, the lifting shell 10 is fixedly connected to the side wall of the granulating tank 1, one side of the lifting shell 10 is connected with a third circulating pipe 11, the other end of the third circulating pipe 11 is communicated with the granulating chamber 4, the third circulating pipe 11 is arranged downwards towards the direction of the granulation chamber 1, during the concrete implementation, after the organic fertilizer slurry is extruded and cut by the granulation chamber 4, granular organic fertilizer is formed, but because errors exist in the actual cutting process, the particle size of organic fertilizer particles is not uniform, when the organic fertilizer is used, the effect of the organic fertilizer during fertilization can be affected by the overlarge and undersize of the particles, so the organic fertilizer with overlarge particles can be screened out by arranging the first screen 2, the first screen 2 is obliquely arranged in the granulation chamber 1, the organic fertilizer particles which can not pass through the first screen 2 enter the second circulating pipe 8 under the action of gravity, enter the lifting shell 10 along the second circulating pipe 8, are conveyed back to the granulation chamber 4 by the auger lifting mechanism 9 for re-extrusion granulation, and the organic fertilizer particles with proper particle size are collected by the second screen 3, granules with undersize granules fall into the discharge plate 7 through the second screen 3, the granules enter the second circulating pipe 8 along the inclined discharge plate 7 under the action of gravity, then enter the lifting shell 10 along the second circulating pipe 8, and are sent back to the granulation chamber 4 again through the auger lifting mechanism 9 for re-granulation, after screening, organic fertilizer granules with the particle size meeting the requirements are on the second screen 3, then the organic fertilizer granules meeting the requirements are pushed out of the granulation box 1 by the material pushing mechanism 6 for collection, the operation is simple and convenient, only the operation of the auger lifting mechanism 9 needs to be controlled, the subsequent screening work is avoided, and the workload of operators is reduced.

Further, as shown in fig. 1, the auger lifting device further comprises an auger shaft 12 and a lifting blade 13, the auger shaft 12 is rotatably arranged in the lifting housing 10, the lifting is spirally arranged along the axial direction of the auger shaft 12, the top of the lifting housing 10 is fixedly connected with a first motor 14, and an output shaft of the first motor 14 is in transmission connection with the auger shaft 12. When the machine is implemented, the first motor 14 rotates to drive the auger shaft 12 to rotate in the lifting shell 10, the lifting blade 13 is fixedly connected to the auger shaft 12, the lifting blade 13 rotates to lift materials falling onto the lifting blade 13 vertically and upwards according to the rotating direction, when the organic fertilizer particles fall onto the lifting blade 13 through the second circulating pipe 8 and the third circulating pipe 11, the lifting blade 13 moves spirally, the organic fertilizer particles are lifted to the upper part of the lifting shell 10 and enter the first circulating pipe 5, and then fall into the granulating chamber 4 through the first circulating pipe 5 to be re-granulated, the materials are sent back to the granulating chamber 4 through the auger lifting device, re-granulation is carried out on the organic fertilizer particles which do not accord with the requirements on the particles, and the using effect of the organic fertilizer is improved.

Further, as shown in fig. 1 to 2, two hydraulic cylinders 15 are fixedly mounted at the top of the granulation tank 1, a pressing block 16 is fixedly connected to the output end of the hydraulic cylinder 15, the pressing block 16 is slidably adapted to the inner wall of the granulation chamber 4, a pore plate 17 is fixedly connected to the inner wall of the granulation chamber 4, the pore plate 17 is arranged below the pressing block 16, a plurality of extruding holes are formed in the pore plate 17, a cutting mechanism 18 is arranged below the pore plate 17, the cutting mechanism 18 comprises a spiral cutting knife 19, a second motor 20, the second motor 20 is fixedly connected to an installation bin 21, the installation bin 21 is arranged between the pore plate 17 and the first screen 2, and a cutting gap is formed between the spiral cutting knife 19 and the pore plate 17. During the concrete implementation, pneumatic cylinder 15 converts hydraulic energy into mechanical energy, it is reciprocating motion in granulation room 4 to drive briquetting 16, when briquetting 16 downstream, the extrusion is received to the fertilizer in granulation room 4, wear out in the crowded material hole of orifice plate 17, it gets into cutting mechanism 18 to deform into the strip, second motor 20 drives the rotatory strip fertilizer that will extrude of cutting knife and cuts into graininess, second motor 20 fixed connection is in installation storehouse 21, the roof of installation storehouse 21 inclines to both sides, avoid cutting the chemical fertilizer granule that falls down to the top of installation storehouse 21, after organic fertilizer in granulation room 4 has been extruded granulation room 4, pneumatic cylinder 15 drives briquetting 16 and rises, briquetting 16 rises to the top of granulation case 1, wait for the next round of extrusion after the feeding, the particle size of cutting distance and spiral fertilizer 19 between spiral cutting knife 19 and the orifice plate 17 all can influence the fertilizer, operating personnel should adjust distance and rotational speed well earlier before the device uses, ensure that most of the granule particle size that the cutting was accomplished accords with the user demand, promote production efficiency.

Further, as shown in fig. 2 to 3, the material pushing mechanism 6 includes a base 22, a screw rod 23, a slider 24, two push plates 25, and an ejector rod 26, the base 22 is fixedly connected to the inner wall of the granulation tank 1, the screw rod 23 is rotatably connected to the base 22, the slider 24 is sleeved on the screw rod 23 by a thread, the two push plates 25 and the ejector rod 26 are both provided with two, the two push plates 25 are respectively fixedly connected to the bottom of the slider 24 in parallel along the moving direction of the slider 24, the bottom of the push plates 25 is in sliding contact with the top surface of the second screen 3, the ejector rod 26 is fixedly connected to the upper side of the push plates 25, discharge ports 27 are respectively provided on two sides of the granulation tank 1, the discharge ports 27 are on the moving path of the ejector rod 26, a limit rod 28 is provided below the screw rod 23, the limit rod 28 is fixedly connected to the base 22, limit holes are provided on the slider 24, the limit rod 28 is adapted to the limit holes, and the granulation tank 1 is hinged to a baffle 29 at the discharge port 27. When organic fertilizer particles after being cut fall onto the surface of the second screen 3, the organic fertilizer particles can fall onto the discharge plate 7 through the small particles of the second screen 3, and cannot fall and are pushed out of the granulation box 1 by the material pushing mechanism 6, in specific implementation, the screw rod 23 rotates in the base 22 to drive the slider 24 to move on the screw rod 23, as shown in fig. 4, the limiting rod 28 penetrates through the slider 24 to limit the moving mode of the slider 24, so as to avoid the slider 24 from shaking in the moving process, the two sides of the slider 24 are both connected with the push plates 25, when the slider 24 moves leftwards, the left push plate 25 pushes and gathers the left material of the slider 24 to the discharge port 27 close to the left discharge port 27, the push rods 26 and the push plates 25 are arranged in the same direction, when the left push rods 26 contact with the baffle plate 29, the top of the baffle plate 29 is hinged to the discharge port 27, the left push rods 26 push the left baffle plate 29 away, and simultaneously the slider 24 continues to move leftwards, and the push plates 25 push the collected material out of the discharge port 27; after the left side discharging is finished, the sliding block 24 starts to move towards the right side, when the push rod 26 on the left side leaves the baffle 29 on the left side, the baffle 29 covers the discharging hole 27 under the action of gravity to play a role in sealing, then the sliding block 24 continues to move towards the right side, the push plate 25 on the right side pushes the material to the discharging hole 27 on the right side, and similarly to the left side, the push rod 26 on the right side pushes the baffle 29 on the right side away, and the material is pushed out from the discharging hole 27 on the right side by the push plate 25 on the right side. Discharge gate 27 has all been seted up to the both sides of granulation case 1, and push pedal 25 pushes away the material of 24 both sides of slider when the slider 24 of being convenient for removes, and ejector pin 26 is used for pushing up baffle 29, reserves ejection of compact clearance, and when ejector pin 26 left baffle 29, baffle 29 covered discharge gate 27 under the action of gravity, avoids in the screening process, and the fertilizer granule drops from discharge gate 27.

As shown in fig. 2, drying and receiving boxes 30 are disposed on both sides of the granulation box 1, the drying and receiving boxes 30 are disposed below the baffle 29, each drying and receiving box 30 includes a drying outer shell 31 and a drying inner container 32, one side of the drying outer shell 31 close to the granulation box 1 is fixedly connected with the drying inner container 32, and a plurality of electric heating tubes 33 are fixedly connected between the drying outer shell 31 and the drying inner container 32, in specific implementation, when organic fertilizer particles are pushed out from the granulation box 1 by the push plate 25, the organic fertilizer particles fall into the drying and receiving boxes 30, the electric heating tubes 33 convert electric energy into heat energy, heat the air around the electric heating tubes 33, heat is conducted to the inner containers, the organic fertilizer particles in the inner containers are heated, the baffle 29 can be disposed on the top of the outer shell on the side far from the discharge port 27, so as to prevent the heat from being rapidly released from the drying and receiving boxes 30, when the organic fertilizer particles are dried, an operator can take out the organic fertilizer particles from the drying and receive the boxes 30, so as to obtain organic fertilizer particles which are uniformly dried, thereby reducing subsequent drying steps and being simple in operation.

As shown in fig. 1, the feed pipe 34 is connected to the side of the granulation chamber 4, the feed pipe 34 is divided into an inclined portion and a vertical portion, a screw feeding mechanism 35 is disposed in the inclined portion, the screw feeding mechanism 35 includes a rotating shaft 36, a helical blade 37, and a fourth motor 38, the rotating shaft 36 is disposed along the axis of the inclined portion of the feed pipe 34, the fourth motor 38 is fixedly connected to the outer wall of the feed pipe 34, the fourth motor 38 is in transmission connection with the rotating shaft 36, and the helical blade 37 is disposed on the rotating shaft 36. During specific implementation, close fourth motor 38 earlier, operating personnel confirms that briquetting 16 is located behind 1 top of granulation case, open fourth motor 38 again, pivot 36 begins to rotate under fourth motor 38's drive, the epaxial blade of pivot 36 brings the fertilizer thick liquids into granulation room 4, screw feed mechanism 35 be provided with two effects, fertilizer thick liquids can be plugged up to screw blade 37 on the one hand, avoid when briquetting 16 is not at granulation room 4 top, the fertilizer thick liquids fall to briquetting 16 top through inlet pipe 34, influence the device operation, on the other hand when briquetting 16 extrudees, can avoid the fertilizer thick liquids to be extruded to inlet pipe 34 from granulation room 4.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; and those skilled in the art will appreciate that the benefits of the present invention are only to better benefit than the current embodiments of the prior art under certain circumstances, and not to the best use directly in the industry.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (10)

1. An organic fertilizer granulating device is characterized by comprising a granulating box (1), a first screen (2) and a second screen (3) are arranged in the granulation box (1) from top to bottom, the first screen (2) is arranged below the granulating chamber (4), the first screen (2) is obliquely arranged in the granulating tank (1), the bottom of the first screen (2) is communicated with a first circulating pipe (5), a material pushing mechanism (6) is arranged above the second screen (3), a discharge plate (7) is arranged below the second screen (3), the discharging plate (7) is obliquely arranged in the granulating tank (1), the discharge plate (7) and the first screen (2) have the same inclination direction, the bottom of the discharge plate (7) is communicated with a second circulating pipe (8), the first circulating pipe (5) and the second circulating pipe (8) are both communicated with a packing auger lifting mechanism (9), the packing auger lifting mechanism (9) comprises a lifting shell (10), the lifting shell (10) is fixedly connected with the side wall of the granulation box (1), one side of the lifting shell (10) is connected with a third circulating pipe (11), the other end of the third circulating pipe (11) is communicated with the granulating chamber (4), the third circulating pipe (11) is arranged to be inclined downwards towards the direction of the granulation tank (1).

2. The organic fertilizer granulating device according to claim 1, wherein the auger lifting device further comprises an auger shaft (12) and lifting blades (13), the auger shaft (12) is arranged in the lifting shell (10) in a rotating mode, the lifting is arranged along the axial spiral direction of the auger shaft (12), a first motor (14) is fixedly connected to the top of the lifting shell (10), and an output shaft of the first motor (14) is in transmission connection with the auger shaft (12).

3. The organic fertilizer granulating device according to claim 1, wherein two hydraulic cylinders (15) are fixedly mounted at the top of the granulating tank (1), a pressing block (16) is fixedly connected to the output ends of the hydraulic cylinders (15), the pressing block (16) is slidably matched with the inner wall of the granulating chamber (4), a pore plate (17) is fixedly connected to the inner wall of the granulating chamber (4), the pore plate (17) is arranged below the pressing block (16), a plurality of extruding holes are formed in the pore plate (17), and a cutting mechanism (18) is arranged below the pore plate (17).

4. An organic fertilizer granulating device as claimed in claim 3, wherein the cutting mechanism (18) comprises a spiral cutting knife (19) and a second motor (20), the second motor (20) is fixedly connected in a mounting bin (21), the mounting bin (21) is arranged between the pore plate (17) and the first screen (2), and a cutting gap is formed between the spiral cutting knife (19) and the pore plate (17).

5. The organic fertilizer granulating device according to claim 1, wherein the material pushing mechanism (6) comprises a base (22), a screw rod (23), a sliding block (24), two push plates (25) and an ejector rod (26), the base (22) is fixedly connected to the inner wall of the granulating tank (1), the screw rod (23) is rotatably connected to the inside of the base (22), the sliding block (24) is sleeved on the screw rod (23) in a threaded manner, the two push plates (25) and the ejector rod (26) are respectively provided with two push plates (25), the two push plates (25) are respectively and fixedly connected to the bottom of the sliding block (24) in parallel along the moving direction of the sliding block (24), the bottoms of the push plates (25) are in sliding contact with the top surface of the second screen (3), the ejector rod (26) is fixedly connected to the upper side of the push plates (25), discharge holes (27) are respectively formed in two sides of the granulating tank (1), and the discharge holes (27) are formed in the moving path of the ejector rod (26).

6. The organic fertilizer granulating device according to claim 5, wherein a limiting rod (28) is arranged below the screw rod (23), the limiting rod (28) is fixedly connected to the base (22), a limiting hole is formed in the sliding block (24), and the limiting rod (28) is adapted to the limiting hole.

7. An organic fertilizer granulating apparatus as claimed in claim 5, wherein the granulating tank is hinged with a baffle (29) at the discharge port (27).

8. The organic fertilizer granulating device according to claim 7, wherein drying and collecting boxes (30) are arranged on both sides of the granulating box (1), the drying and collecting boxes (30) are arranged below the baffle plate (29), each drying and collecting box (30) comprises a drying shell (31) and a drying liner (32), one side of the drying shell (31) close to the granulating box (1) is fixedly connected with the drying liner (32), and a plurality of electric heating tubes (33) are fixedly connected between the drying shell (31) and the drying liner (32).

9. An organic fertilizer granulating apparatus as claimed in claim 1, wherein a feeding pipe (34) is connected to the side surface of the granulating chamber (4), the feeding pipe (34) is divided into an inclined portion and a vertical portion, and a spiral feeding mechanism (35) is arranged in the inclined portion.

10. The organic fertilizer granulating device according to claim 9, wherein the spiral feeding mechanism (35) comprises a rotating shaft (36), a spiral blade (37) and a fourth motor (38), the rotating shaft (36) is arranged along the axis of the inclined part of the feeding pipe (34), the fourth motor (38) is fixedly connected to the outer wall of the feeding pipe (34), the fourth motor (38) is in transmission connection with the rotating shaft (36), and the rotating shaft (36) is provided with the spiral blade (37).

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