CN210875230U

CN210875230U - Fertilizer granulation system

Info

Publication number: CN210875230U
Application number: CN201921426914.9U
Authority: CN
Inventors: 张宝全
Original assignee: Shandong Jinrunzi Biotechnology Co ltd
Current assignee: Shandong Jinrunzi Biotechnology Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-30
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a fertilizer granulation system, which comprises a feed hopper, a conveying auger and a granulator shell, wherein the lower end of the conveying auger is provided with a bracket, an extrusion roller is arranged inside the granulator shell, a magnet is arranged in the feed hopper, a sleeve is arranged on the extrusion roller, the sleeve consists of two semicircular columns, and an extrusion hole is arranged on the outer cylindrical surface of the sleeve; the size of the extrusion hole can be adjusted by replacing the sleeve, and then the size of the extrusion-molded waste particles is adjusted, so that the practicability is good. A recycling bin is arranged below the vibrating screen shell, a slide way is arranged at the lower end of the recycling bin, sliding plates are arranged at the front end and the rear end of the lower end face of the recycling bin, the front end of the lower end face of the recycling bin is hinged with the sliding plate at the front end, an air cylinder is arranged between the sliding plate at the rear end and the recycling bin, and a blanking door is arranged at the front end of the recycling bin; the recovery barrel is drawn out along the slide way, the piston rod of the air cylinder extends out, so that the recovery barrel is inclined, the blanking door is opened, powder can fall from the recovery barrel, and the powder is convenient to recycle.

Description

Fertilizer granulation system

Technical Field

The utility model belongs to the technical field of the chemical fertilizer processing technique and specifically relates to a fertilizer granulation system.

Background

The granulator can be widely applied to the fields of chemical industry, petrifaction, pharmacy, food, building materials, mining and metallurgy, environmental protection, printing and dyeing, ceramics, rubber, plastics and the like, is a forming machine capable of manufacturing materials into granular shapes, and generally adopts a double-roller type extrusion granulator to extrude powdery fertilizer into granular shapes in the fertilizer manufacturing process so as to finish the processing of the fertilizer.

But current granulator has following problem, and 1, current granulator extrusion's granule size is fixed, and the practicality is poor, and 2, current granulator screening mechanism structure is complicated, and is with high costs, and 3, powder recycling bin are located the granulator below, lead to the powder of retrieving to take out the difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem, provide a fertilizer granulation system, can the not unidimensional chemical fertilizer granule of extrusion, the practicality is good, and screening mechanism simple structure is with low costs, and the powder of retrieving is conveniently taken out, recycles.

The utility model provides a technical scheme that its technical problem adopted is:

a fertilizer granulation system comprises a feed hopper, a conveying auger and a granulator shell, wherein a discharge port at the lower end of the feed hopper is communicated with a feed end of the conveying auger, an output end of the conveying auger is communicated with an inner cavity of the granulator shell, a support is arranged at the lower end of the conveying auger, the conveying auger is arranged on the support, an extrusion roller is arranged in the granulator shell, two ends of the extrusion roller are rotatably connected with the granulator shell, a magnet is arranged in the feed hopper, a sleeve is arranged on the extrusion roller and consists of two semicircular columns, and an extrusion hole is formed in the outer cylindrical surface of the sleeve;

a vibrating screen shell is arranged below the extrusion roller, a screen is arranged in the vibrating screen shell, a connecting rod is arranged at the left end of the vibrating screen shell, the right end of the connecting rod is hinged with the vibrating screen shell, a rotary table is arranged in the support, the left end of the connecting rod is rotatably connected with an eccentric point of the rotary table, a rotary table rotating shaft is rotatably connected with the support, a rotary wheel is arranged at the front end of the rotary table rotating shaft, a second motor is arranged in the support, the output end of the second motor is connected with the rotary wheel, a second cross beam is arranged below the granulator shell, and;

a recycling bin is arranged below the vibrating screen shell, a slide way is arranged at the lower end of the recycling bin, sliding plates are arranged at the front end and the rear end of the lower end face of the recycling bin and are in sliding connection with the slide way, the front end of the lower end face of the recycling bin is hinged with the sliding plate at the front end, an air cylinder is arranged between the sliding plate at the rear end and the recycling bin, and a blanking door is arranged at the front end of the recycling bin;

the granulator shell is provided with a dust collecting branch pipe on the front side and the rear side, the inner side of the dust collecting branch pipe is provided with a long hole, the dust collecting branch pipe is communicated with a main pipeline through a branch pipeline, a filter is arranged on the main pipeline, and the filter is connected with a negative pressure fan.

Further, semicircle ring stand opening part one end is equipped with first connecting plate, and semicircle ring stand opening part other end is equipped with the second connecting plate, and the first connecting plate of front end semicircle ring stand and the second connecting plate of rear end semicircle ring stand are through connecting, and both ends all are equipped with the buckle about the sleeve, are equipped with the draw-in groove on the face of squeeze roll outer cylinder, buckle and draw-in groove cooperation.

Furthermore, a first motor is arranged in the support, and the output end of the first motor is connected with the squeezing roller.

Furthermore, a first gear is arranged at the left end of each extrusion roller, a second gear is arranged between the first gears corresponding to the two extrusion rollers, one end of the second gear is meshed with the first gear of the front-end extrusion roller, and the other end of the second gear is meshed with the first gear of the rear-end extrusion roller;

the rotating shaft of the second gear is rotatably connected with the granulator shell, a third gear is arranged on the rotating shaft and positioned outside the second gear, a fourth gear is arranged at the output end of the first motor, and the third gear is connected with the fourth gear through a chain.

Furthermore, the left end and the right end of the vibrating screen shell are provided with first baffles, and the height of the first baffle at the right end of the vibrating screen shell is smaller than that of the first baffle at the left end of the vibrating screen shell.

Furthermore, a connecting plate is arranged on the inner wall of the shell of the vibrating screen, and the screen is supported on the connecting plate and connected with the connecting plate.

Further, a conveying belt is arranged below the right end of the vibrating screen shell, and a second baffle is arranged at the left end of the conveying belt.

The utility model has the advantages that:

1. the utility model discloses be equipped with the sleeve on the squeeze roll, be equipped with the extrusion hole on the outer cylindrical surface of sleeve, the sleeve comprises two semicircle ring stands, semicircle ring stand opening part one end is equipped with first connecting plate, semicircle ring stand opening part other end is equipped with the second connecting plate, the first connecting plate of front end semicircle ring stand and the second connecting plate of rear end semicircle ring stand pass through the connection, pass through countersunk screw with two semicircle ring stands and fix, the sleeve that two semicircle ring stands are constituteed is convenient to be changed, can adjust the size in extrusion hole through the mode of changing the sleeve, and then adjust the size of extrusion's waste material granule, the practicality is good.

2. The utility model discloses both ends all are equipped with the buckle about the sleeve, are equipped with the draw-in groove on the face of cylinder outside the squeeze roll, and buckle and draw-in groove cooperation during the use, detain two half ring stand on the face of cylinder outside the squeeze roll, and buckle and draw-in groove play the positioning action, prevent that the sleeve from taking place axial displacement, good reliability.

3. The utility model discloses be equipped with magnet in the feeder hopper, through the metal product suction of magnet in with powdered waste material, prevent that metal product from damaging the squeeze roll, increase life, guarantee the shaping quality of chemical fertilizer granule.

4. The utility model discloses well squeeze roll below is equipped with the shale shaker shell, is equipped with the screen cloth in the shale shaker shell, and shale shaker shell left end is equipped with the connecting rod, and the connecting rod right-hand member is articulated with the shale shaker shell, is equipped with the carousel in the support, and the connecting rod left end is rotated with the eccentric point of carousel and is connected, and the carousel pivot is connected with the rotate bracket, and carousel pivot front end is equipped with the runner, is equipped with the second motor in the support, and second motor output end is connected with the runner, granulator shell below is equipped with the crossbeam, and shale shaker shell right. During the use, the second motor drives the runner and rotates, and then the drive carousel rotates, and the connecting rod rotates round the eccentric point of carousel, and then makes the vibration of shale shaker shell, and the shale shaker shell vibration in-process, granular chemical fertilizer falls from the right-hand member, and powdered chemical fertilizer falls from the screen cloth to realize the screening of chemical fertilizer, simple structure, old originally low, efficient.

5. The utility model discloses well shale shaker shell below is equipped with the recycling bin, and the recycling bin lower extreme is equipped with the slide, and both ends all are equipped with the slide before and after the terminal surface under the recycling bin, and slide sliding connection, terminal surface front end and the slide of front end are articulated under the recycling bin, are equipped with the cylinder between the slide of rear end and the recycling bin, and the recycling bin front end is equipped with the blanking door; after the recovery barrel is fully collected with the powder, the recovery barrel is drawn out along the slide way, the piston rod of the air cylinder extends out, so that the recovery barrel is inclined, the blanking door is opened, the powder can fall from the recovery barrel, and the powder can be recycled conveniently.

6. The utility model discloses well granulator shell both sides all are equipped with the branch pipe that gathers dust around, and the branch pipe inboard that gathers dust is equipped with rectangular hole, and rectangular hole can increase the efficiency of gathering dust, and the branch pipe that gathers dust is equipped with the filter through branch road pipeline and main line intercommunication on the main line, and the filter is connected with negative-pressure air fan, and the granulation in-process, negative-pressure air fan work is selecting through main line, branch road pipeline and the branch pipe that gathers dust and produces negative pressure suction, filters the dust absorption of loss, guarantees the clean and tidy of environment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a third schematic structural view of the present invention;

FIG. 4 is a schematic view of the sleeve structure of the present invention;

fig. 5 is a cross-sectional view of the sleeve of the present invention;

FIG. 6 is a schematic view of the structure of the screen of the present invention;

FIG. 7 is a schematic diagram of the structure of the screen of the present invention;

fig. 8 is a cross-sectional view of the screen of the present invention;

fig. 9 is a schematic structural view of the dust collecting mechanism of the present invention;

fig. 10 is a schematic view of the structure of the dust collecting barrel of the present invention.

In the figure: the device comprises a feed hopper 1, a conveying auger 2, a granulator shell 3, a support 4, an extrusion roller 5, a magnet 6, a sleeve 7, a semicircular column 8, an extrusion hole 9, a first connecting plate 10, a second connecting plate 11, a buckle 12, a clamping groove 13, a first gear 14, a second gear 15, a first motor 16, a rotating shaft 17, a third gear 18, a fourth gear 19, a chain 20, a first cross beam 21, a vibrating screen shell 22, a screen 23, a connecting plate 24, a first baffle 25, a connecting rod 26, a rotary disc 27, an eccentric point 28, a rotary wheel 29, a second motor 30, a belt 31, a connecting frame 32, a belt wheel 33, a conveying belt 34, a second cross beam 35, a second baffle 36, a recovery barrel 37, a slide rail 38, a sliding plate 39, an air cylinder 40, a blanking door 41, a dust collecting branch pipe 42, a long strip hole 43, a branch pipe 44, a main pipe 45, a filter 46 and a.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

For convenience of description, a coordinate system is now defined as shown in fig. 1.

As shown in fig. 1, 2, 4 and 5, a granulating device comprises a feed hopper 1, a conveying auger 2 and a granulator shell 3, wherein a discharge port at the lower end of the feed hopper 1 is communicated with a feed end of the conveying auger 2, an output end of the conveying auger 2 is communicated with an inner cavity of the granulator shell 3, a support 4 is arranged at the lower end of the conveying auger 2, the conveying auger 2 is arranged on the support 4, an extrusion roller 5 is arranged inside the granulator shell 3, two ends of the extrusion roller 5 are rotatably connected with the granulator shell 3 through a bearing, two extrusion rollers 5 are arranged, the two extrusion rollers 5 are symmetrically distributed in the front and back direction, the two extrusion rollers 5 are matched, the output end of the conveying auger 2 corresponds to the extrusion roller 5, the powdery fertilizer is extruded into a granular fertilizer through the extrusion of the two extrusion rollers 5, a magnet 6 is arranged in the feed hopper 1, a metal product in the powdery waste is, increase the service life, guarantee the shaping quality of the fertilizer granule, the said squeeze roll 5 is equipped with the bush 7, the bush 7 is made up of two semicircular columns 8, there are extrusion holes 9 on the cylindrical surface outside the bush 7, the semicircular column 8 opening one end has first connecting plates 10, the semicircular column 8 opening another end has second connecting plates 11, the first connecting plate 10 of the semicircular column 8 of front end and second connecting plate 11 of the semicircular column 8 of rear end are connected through the countersunk head screw, the second connecting plate 11 of the semicircular column 8 of front end and first connecting plate 10 of the semicircular column 8 of rear end are connected through the countersunk head screw, both ends have buckles 12 on the left and right of the bush 7, there are draw-in grooves 13 on the cylindrical surface outside the squeeze roll 5, buckle 12 and draw-in groove 13 cooperate, in use, buckle two semicircular columns 8 on the cylindrical surface outside the squeeze roll 5, buckle 12 and draw-in groove 13 play a role in positioning, prevent that sleeve 7 from taking place axial displacement, good reliability passes through countersunk screw with two halves ring stand 8 and fixes, can adjust the size of extrusion hole 9 through the mode of changing the sleeve, and then adjusts the size of extrusion's waste material granule, and the practicality is good.

Magnet 6 is the groined type, and groined type magnet 6 can adsorb the metal product in the powdered chemical fertilizer completely, and good reliability, groined type magnet 6 can not influence the powder waste material and fall down simultaneously.

As shown in fig. 2, a first motor 16 is arranged in the support 4, and the output end of the first motor 16 is connected with the squeezing roller 5. A first beam 21 is arranged in the support 4, and the first motor 16 is mounted on the first beam 21. The left end of each squeezing roller 5 is provided with a first gear 14, a second gear 15 is arranged between the first gears 14 corresponding to the two squeezing rollers 5, one end of the second gear 15 is meshed with the first gear 14 of the front-end squeezing roller 5, and the other end of the second gear 15 is meshed with the first gear 14 of the rear-end squeezing roller 5. A rotating shaft 17 of the second gear 15 is rotatably connected with the granulator housing 3 through a bearing, a third gear 18 is arranged on the rotating shaft 17 and positioned on the outer side of the second gear 15, a fourth gear 19 is arranged at the output end of the first motor 16, and the third gear 18 is connected with the fourth gear 19 through a chain 20. When the double-roller extrusion granulating machine is used, the motor drives the rotating shaft 17 to rotate through the chain 20, the second gear 15 rotates along with the rotating shaft, the second gear 15 drives the front extrusion roller 5 and the rear extrusion roller 5 to synchronously and reversely rotate through the first gear 14, and double-roller extrusion granulation is realized.

As shown in fig. 2, 6 and 7, a vibrating screen shell 22 is arranged below the squeeze roller 5, a screen 23 is arranged in the vibrating screen shell 22, first baffles 25 are arranged at the left end and the right end of the vibrating screen shell 22, the height of the first baffle 25 at the right end of the vibrating screen shell 22 is smaller than that of the first baffle 25 at the left end of the vibrating screen shell 22, when the vibrating screen shell 22 vibrates continuously, granular fertilizer moves to the right and falls from the first baffles 25, the height of the first baffle 25 at the right end of the vibrating screen shell 22 is small, so that the granular fertilizer can fall conveniently, the practicability is good, a connecting rod 26 is arranged at the left end of the vibrating screen shell 22, the right end of the connecting rod 26 is hinged with the vibrating screen shell 22, a rotating disc 27 is arranged in the support 4, the left end of the connecting rod 26 is rotatably connected with an eccentric point 28 of the rotating disc 27, a rotating shaft of the rotating disc 27 is rotatably connected with the support 4, the output end of the second motor 30 is connected with the rotating wheel 29, a second beam 35 is arranged below the granulator shell 3, and the right end of the vibrating screen shell 22 is hinged with the second beam 35. During the use, second motor 30 drives runner 29 and rotates, and then drive carousel 27 rotates, and connecting rod 26 rotates round the eccentric point 28 of carousel 27, and then makes shale shaker shell 22 vibrate, and shale shaker shell 22 vibration in-process, the granular chemical fertilizer falls from the right-hand member, and powdered chemical fertilizer falls from the screen cloth to realize the screening of chemical fertilizer, simple structure, old this is low, efficient.

As shown in fig. 8, the inner wall of the housing 22 of the vibrating screen is provided with a connecting plate 24, the screen 23 is supported on the connecting plate 24 and connected with the connecting plate 24 through screws, and the screen 23 is fixed on the connecting plate 24 for convenient replacement.

As shown in fig. 2, a connecting frame 32 is arranged in the support 4, the connecting frame 32 is in a right triangle shape, and the lower end of the connecting frame 32 is rotatably connected with the rotating shaft of the rotating disc 27 through a bearing.

As shown in fig. 2, the output end of the second motor 30 is provided with a belt wheel 33, and the belt wheel 33 is connected with the runner 29 through a belt 31.

As shown in fig. 3, a conveyor belt 34 is provided below the right end of the vibrating screen housing 22.

As shown in fig. 3, the left end of the conveying belt 34 is provided with a second baffle 36, two ends of the second baffle 36 are connected with the shell of the conveying belt 34, the second baffle 36 can prevent granular fertilizer from falling down from the left end of the conveying belt 34, and the practicability is good.

As shown in fig. 2, a recycling bin 37 is arranged below the vibrating screen shell 22, and the recycling bin 37 is used for recycling powdered fertilizers, so that repeated granulation is facilitated.

As shown in fig. 1 and 9, a recycling bin 37 is arranged below the vibrating screen shell 22, a slide way 38 is arranged at the lower end of the recycling bin 37, sliding plates 39 are arranged at the front and rear ends of the lower end surface of the recycling bin 37, the sliding plates 39 are slidably connected with the slide way 38 through sliding blocks, the front end of the lower end surface of the recycling bin 37 is hinged with the front sliding plate 39, an air cylinder 40 is arranged between the rear sliding plate 39 and the recycling bin 37, the end of the cylinder 40 is hinged with the sliding plate 39, the end of the piston rod of the air cylinder 40 is hinged with the bottom end surface of the recycling bin 37, and a blanking door 41 is arranged at the front; after the recovery barrel 37 is fully used for collecting powder, the recovery barrel 37 is drawn out along the slideway 38, the piston rod of the air cylinder extends out, so that the recovery barrel 37 is inclined, the blanking door 41 is opened, the powder can fall from the recovery barrel 37, and the powder can be recycled conveniently.

As shown in fig. 1 and 10, dust collecting branch pipes 42 are respectively arranged on the front side and the rear side of the granulator housing 3, strip holes 43 are formed in the inner sides of the dust collecting branch pipes 42, the dust collecting efficiency can be increased through the strip holes 43, the dust collecting branch pipes 42 are uniformly arranged in the left-right direction, the dust collecting branch pipes 42 are communicated with a main pipeline 45 through branch pipelines 44, a filter 46 is arranged on the main pipeline 45, the filter 46 is connected with a negative pressure fan 47, in the granulation process, the negative pressure fan works, negative pressure suction force is generated by screening through the main pipeline 45, the branch pipelines 44 and the dust collecting branch pipes 42, dissipated dust is filtered and absorbed, and the cleanness of the environment is ensured.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A fertilizer granulation system comprises a feed hopper (1), a conveying auger (2) and a granulator shell (3), wherein a discharge port at the lower end of the feed hopper (1) is communicated with a feed end of the conveying auger (2), an output end of the conveying auger (2) is communicated with an inner cavity of the granulator shell (3), a support (4) is arranged at the lower end of the conveying auger (2), the conveying auger (2) is installed on the support (4), an extrusion roller (5) is arranged inside the granulator shell (3), two ends of the extrusion roller (5) are rotatably connected with the granulator shell (3), and the fertilizer granulation system is characterized in that a magnet (6) is arranged in the feed hopper (1), a sleeve (7) is arranged on the extrusion roller (5), the sleeve (7) consists of two semicircular columns (8), and an extrusion hole (9) is arranged on the outer cylindrical surface of the sleeve;

a vibrating screen shell (22) is arranged below the extrusion roller (5), a screen (23) is arranged in the vibrating screen shell (22), a connecting rod (26) is arranged at the left end of the vibrating screen shell (22), the right end of the connecting rod (26) is hinged to the vibrating screen shell (22), a rotating disc (27) is arranged in the support (4), the left end of the connecting rod (26) is rotatably connected with an eccentric point (28) of the rotating disc (27), a rotating shaft of the rotating disc (27) is rotatably connected with the support (4), a rotating wheel (29) is arranged at the front end of the rotating shaft of the rotating disc (27), a second motor (30) is arranged in the support (4), the output end of the second motor (30) is connected with the rotating wheel (29), a second cross beam (35) is arranged below the granulator shell (3), and the right end of the vibrating;

a recycling bin (37) is arranged below the vibrating screen shell (22), a slide way (38) is arranged at the lower end of the recycling bin (37), sliding plates (39) are arranged at the front end and the rear end of the lower end face of the recycling bin (37), the sliding plates (39) are connected with the slide way (38) in a sliding mode, the front end of the lower end face of the recycling bin (37) is hinged with the sliding plate (39) at the front end, an air cylinder (40) is arranged between the sliding plate (39) at the rear end and the recycling bin (37), and a blanking door (41) is arranged at the front end of the recycling bin (;

the granulator is characterized in that dust collecting branch pipes (42) are arranged on the front side and the rear side of the granulator shell (3), strip holes (43) are formed in the inner sides of the dust collecting branch pipes (42), the dust collecting branch pipes (42) are communicated with a main pipeline (45) through branch pipelines (44), a filter (46) is arranged on the main pipeline (45), and the filter (46) is connected with a negative pressure fan (47).

2. The fertilizer granulation system as claimed in claim 1, wherein a first connecting plate (10) is arranged at one end of the opening of the semicircular column (8), a second connecting plate (11) is arranged at the other end of the opening of the semicircular column (8), the first connecting plate (10) of the front semicircular column (8) and the second connecting plate (11) of the rear semicircular column (8) are connected, buckles (12) are arranged at the left and right ends of the sleeve (7), a clamping groove (13) is arranged on the outer cylindrical surface of the extrusion roller (5), and the buckles (12) are matched with the clamping grooves (13).

3. A fertilizer granulation system as claimed in claim 1, characterized in that said support (4) is provided with a first motor (16), the output of said first motor (16) being connected to said squeeze roller (5).

4. A fertilizer granulating system as claimed in claim 1, wherein the left end of the squeeze roll (5) is provided with a first gear (14), a second gear (15) is arranged between the first gears (14) corresponding to the two squeeze rolls (5), one end of the second gear (15) is meshed with the first gear (14) of the front squeeze roll (5), and the other end of the second gear (15) is meshed with the first gear (14) of the rear squeeze roll (5);

the rotating shaft (17) of the second gear (15) is rotatably connected with the granulator shell (3), a third gear (18) is arranged on the rotating shaft (17) and positioned on the outer side of the second gear (15), a fourth gear (19) is arranged at the output end of the first motor (16), and the third gear (18) is connected with the fourth gear (19) through a chain (20).

5. A fertilizer granulation system according to claim 1, wherein the first baffles (25) are provided at the left and right ends of the vibrating screen housing (22), and the height of the first baffle (25) at the right end of the vibrating screen housing (22) is smaller than the height of the first baffle (25) at the left end of the vibrating screen housing (22).

6. A fertilizer granulation system according to claim 1, wherein the inner wall of said vibrating screen housing (22) is provided with a web (24), and the screen (23) is supported on the web (24) and connected to the web (24).

7. A fertilizer granulation system according to claim 1, wherein a conveyor belt (34) is provided below the right end of the vibrating screen housing (22), and a second baffle (36) is provided at the left end of the conveyor belt (34).