CN216303674U

CN216303674U - Automatic production device for rotary drum compound fertilizer

Info

Publication number: CN216303674U
Application number: CN202122178775.6U
Authority: CN
Inventors: 王刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-04-15
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a drum compound fertilizer automatic production device, which comprises: the device comprises a processing support, a rotary drum granulator, a drying box, a screening box, a ball mill and a material returning box, and is characterized in that the rotary drum granulator, the drying box, the screening box, the ball mill and the material returning box are mounted on the processing support, a detection and adjustment feeding structure is mounted on the rotary drum granulator, a drying structure is mounted in the drying box, the drying structure is connected to the detection and adjustment feeding structure, a screening and flow dividing structure is mounted in the screening box, and the material returning box is connected to the ball mill and the screening and flow dividing structure through a backflow structure; the utility model has the beneficial effects that the instantaneous flow of the finished product is more stable by analyzing the instantaneous flow of the finished product under the states of manual granulation and automatic granulation, thereby proving that the automatic granulation production system is more stable.

Description

Automatic production device for rotary drum compound fertilizer

Technical Field

The utility model relates to the technical field of compound fertilizer production, in particular to an automatic rotary drum compound fertilizer production device.

Background

Although the regulation of steam can be achieved by manual observation at the granulation site, the following limitations exist: (1) the manual sampling does not have good representativeness, and the judgment on the particle size of the granulation particles is not accurate enough. (2) An operator needs to sample granulated particles from the granulator outlet by using a shovel at intervals and then carries out off-line macroscopic measurement, and the process is time-consuming, high in labor intensity and low in detection efficiency. (3) The manual judgment of the granularity is based on personal experience and has no quantitative condition. (4) The manual measurement method is offline, the measurement result is delayed, the information of the particle size change of the particles cannot be obtained online, and the granulation process is not convenient to monitor and control in time.

SUMMERY OF THE UTILITY MODEL

The technical scheme of the utility model for realizing the aim is as follows: rotary drum compound fertilizer automated production device includes: the device comprises a processing support, a rotary drum granulator, a drying box, a screening box, a ball mill and a material returning bin, wherein the rotary drum granulator, the drying box, the screening box, the ball mill and the material returning bin are arranged on the processing support, and a detection adjusting feeding structure is arranged on the rotary drum granulator. A drying structure is installed in the drying box and connected to the detection and adjustment feeding structure, a screening and flow distribution structure is installed in the screening box, the ball mill and the material return bin are installed on the processing bracket, and the material return bin is connected to the ball mill and the screening and flow distribution structure through a backflow structure;

the detecting and adjusting feeding structure comprises: the device comprises a plurality of raw material boxes, a dilution box, a tubular reactor, a detection box, a machine vision granularity detector, a belt scale and a plurality of drainage valves;

the raw material boxes are uniformly installed on the processing support respectively, the raw material boxes are connected onto the rotary drum granulator through the drainage valves, the dilution box is installed on the processing support, the tubular reactor is installed on the inner side of the processing support, the tubular reactor is connected onto the rotary drum granulator through the drainage valves, the detection box is installed on the processing support, the detection box is connected onto the rotary drum granulator, the machine vision granularity detector and the belt weigher are installed on the inner side of the detection box, and the machine vision granularity detector is located above the belt weigher.

Preferably, the drying structure comprises: the device comprises a plurality of heat absorption pipes, two pairs of heat insulation shunt pipes, a pair of drainage pumps, heat conduction oil, a plurality of heat dissipation shaft pipes, a drying and conveying belt, a plurality of heat dissipation conveying sleeves, a plurality of drying chain wheels, a drying chain, a drying driving machine, a pair of clip-shaped limiting blocks, a plurality of drying discs, a plurality of drying limiting shafts, an air drying driving machine, a plurality of conductive magnets, a plurality of rotating pieces, a plurality of electric heating pipes and a filtering assembly;

the heat absorption pipes are uniformly inserted into the top end of the dilution box, the heat dissipation shaft pipes are uniformly inserted into the side wall of the drying box, two pairs of heat insulation shunt pipes are respectively installed on two sides of the heat absorption pipes and the heat dissipation shaft pipes, one pair of heat insulation shunt pipes are connected with the heat dissipation shaft pipes through bearings, one pair of drainage pumps are connected to the two pairs of heat insulation shunt pipes, the heat conduction oil is arranged on the inner sides of the heat absorption pipes, the heat dissipation shaft pipes and the two pairs of heat insulation shunt pipes, the heat dissipation transport sleeves are respectively sleeved on the outer sides of the heat dissipation shaft pipes, the drying transport belt is sleeved on the heat dissipation transport sleeves, the drying driving machine is installed on the drying box, and the drying chain wheels are respectively sleeved on the heat dissipation shaft pipes and the driving ends of the drying driving machine, the drying chain is sleeved on the plurality of drying chain wheels, the drying and conveying belt is sleeved on the outer sides of the plurality of heat dissipation conveying sleeves, the pair of clip-shaped limiting blocks are installed on the inner side wall of the drying box, the plurality of drying limiting shafts are respectively inserted on the inner top end of the drying box through bearings, the air-drying driving machine driving end is inserted on the top end of the drying box through a bearing, the plurality of drying discs are respectively installed on the plurality of drying limiting shafts and the air-drying driving machine driving end, the plurality of drying discs are respectively movably inserted on the inner sides of the pair of clip-shaped limiting blocks, the plurality of drying discs are arranged in a tooth-shaped staggered manner, the plurality of conductive magnets are respectively installed on the plurality of drying discs, and the plurality of rotating plates are respectively installed on the plurality of drying discs, the electric heating pipes are uniformly arranged on the side wall of the inner side of the drying box, and the filtering component is arranged at the top end of the drying box.

Preferably, the screening and dividing structure comprises: a pair of zigzag screening plates, a pair of screening nets and a vibrating screening assembly;

the pair of the clip-shaped screening plates are arranged on the inner side of the screening box in a triangular mode, the pair of the screening nets are respectively arranged on the inner sides of the pair of the clip-shaped screening plates, and the vibrating screening assembly is arranged on the pair of the clip-shaped screening plates.

Preferably, the vibratory screen assembly comprises: the device comprises two pairs of concave knocking barrels, two pairs of convex knocking blocks, two pairs of clip-shaped knocking limiting blocks, two pairs of knocking spring columns, two pairs of adsorption magnets, two pairs of electric magnets and two pairs of stretching hydraulic cylinders;

two pairs of concave type are strikeed two liang of parallel mount in a pair of on the back shape screening board, two pairs of protruding type are strikeed the piece and are moved the cartridge respectively in two pairs in the inboard that the bucket was strikeed to the concave type, two pairs of the stopper is strikeed to the shape of returning is installed respectively in two pairs to the shape of knocking the spring post on the stopper, and two pairs it connects respectively in two pairs to strike the spring post other end on protruding type is strikeed the piece, two pairs absorption magnet is installed respectively in two pairs on the protruding type is strikeed the piece, two pairs tensile pneumatic cylinder is installed respectively in two pairs the inboard that the bucket was strikeed to the concave type, two pairs electric magnet installs respectively in two pairs on tensile pneumatic cylinder's promotion is served.

Preferably, the filter assembly comprises: the filter box, a pair of filter return plates, a pair of filter screens, a filter bag and a plurality of drainage tubes;

the filter box is installed on the top end of the drying box, the pair of filter return plates are installed on the inner side of the filter box, the pair of filter screens are installed on the pair of filter return plates respectively, the filter bag is installed between the pair of filter return plates, the plurality of drainage tubes are inserted into the upper end and the lower end of the filter box respectively, and the plurality of drainage tubes are uniformly inserted into the top end of the drying box.

Preferably, the reflow structure includes: the device comprises a concave lifting box, a discharging plate, a discharging shaft, two pairs of lifting winches, a plurality of lifting slide blocks, a plurality of lifting slide ways, a clip-shaped return box, a pair of drainage tubes and a pair of sealing valves;

the square-shaped backflow box is mounted on the processing support, and the concave lifting box is movably inserted into the inner side of the square-shaped backflow box. The lifting slide way is respectively installed on the inner side of the square-shaped return box, the lifting slide blocks are respectively installed on the side wall of the concave lifting box, the lifting slide blocks are respectively movably inserted in the lifting slide ways, a discharge opening is formed in the concave lifting box, a discharge shaft is inserted in the inner side of the discharge opening through a bearing, a discharge plate is installed on the discharge shaft, two pairs of lifting winches are installed on the processing support in a two-to-two parallel mode, the lifting winches are connected to the concave lifting box, the drainage tubes are respectively connected to the screening box and the ball mill, and the sealing valves are respectively installed on the drainage tubes.

Preferably, a transmission is arranged on the belt weigher.

Preferably, the inner sides of the drying boxes are respectively provided with a temperature sensor.

Drawings

FIG. 1 is a schematic sectional view of a front view of the automatic production device for drum compound fertilizer of the present invention.

FIG. 2 is a schematic side sectional view of the automatic production device for drum compound fertilizer of the present invention.

FIG. 3 is a schematic sectional view from above of the automatic production device for drum compound fertilizer of the present invention.

Fig. 4 is an enlarged view of a portion "a" in fig. 1.

Fig. 5 is an enlarged view of a portion "B" in fig. 2.

In the figure: 1. processing a bracket; 2. a rotary drum granulator; 3. a drying oven; 4. screening the box; 5. A ball mill; 6. a raw material tank; 7. a dilution tank; 8. a tubular reactor; 9. a detection box; 10. A machine vision granularity detector; 11. a belt scale; 12. a drainage valve; 13. a heat absorbing tube; 14. a heat insulation shunt pipe; 15. a drainage pump; 16. heat conducting oil; 17. a heat dissipation shaft tube; 18. drying the conveyor belt; 19. a heat dissipating transport sleeve; 20. drying the chain wheel; 21. drying the chain; 22. drying the driver; 23. a clip-shaped limiting block; 24. drying the disc; 25. drying the limiting shaft; 26. air-drying the driving machine; 27. a conductive magnet; 28. a rotating sheet; 29. an electric heating tube.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings, and as shown in fig. 1 to 5, an automatic production apparatus for a drum compound fertilizer comprises: the automatic feeding device comprises a processing support 1, a rotary drum granulator 2, a drying box 3, a screening box 4, a ball mill 5 and a material returning bin, and is characterized in that the rotary drum granulator 2, the drying box 3, the screening box 4, the ball mill 5 and the material returning bin are arranged on the processing support 1, and a detection and adjustment feeding structure is arranged on the rotary drum granulator 2. A drying structure is installed in the drying box 3 and connected to the detection and adjustment feeding structure, a screening and shunting structure is installed in the screening box 4, the ball mill 5 and the material returning bin are installed on the processing bracket 1, and the material returning bin is connected to the ball mill 5 and the screening and shunting structure through a backflow structure; the detecting and adjusting feeding structure comprises: the device comprises a plurality of raw material boxes 6, a dilution box 7, a tubular reactor 8, a detection box 9, a machine vision granularity detector 10, a belt scale 11 and a plurality of drainage valves 12; the raw material boxes 6 are respectively and uniformly arranged on the processing support 1, the raw material boxes 6 are connected to the rotary drum granulator 2 through the drainage valves 12, the dilution box 7 is arranged on the processing support 1, the tubular reactor 8 is arranged on the inner side of the processing support 1, the tubular reactor 8 is connected to the rotary drum granulator 2 through the drainage valves 12, the detection box 9 is arranged on the processing support 1, the detection box 9 is connected to the rotary drum granulator 2, the machine vision particle size detector 10 and the belt scale 11 are arranged on the inner side of the detection box 9, and the machine vision particle size detector 10 is located above the belt scale 11; the drying structure comprises: the device comprises a plurality of heat absorption pipes 13, two pairs of heat insulation shunt pipes 14, a pair of drainage pumps 15, heat conducting oil 16, a plurality of heat dissipation shaft pipes 17, a drying and conveying belt 18, a plurality of heat dissipation conveying sleeves 19, a plurality of drying chain wheels 20, a drying chain 21, a drying driver 22, a pair of square-shaped limiting blocks 23, a plurality of drying discs 24, a plurality of drying limiting shafts 25, an air drying driver 26, a plurality of conductive magnets 27, a plurality of rotating pieces 28, a plurality of electric heating pipes 29 and a filtering component; the heat absorbing pipes 13 are uniformly inserted into the top end of the dilution box 7, the heat dissipating shaft pipes 17 are uniformly inserted into the side wall of the drying box 3, two pairs of heat insulation shunt pipes 14 are respectively installed on two sides of the heat absorbing pipes 13 and the heat dissipating shaft pipes 17, a pair of heat insulation shunt pipes 14 is connected with the heat dissipating shaft pipes 17 through bearings, a pair of drainage pumps 15 is connected to the two pairs of heat insulation shunt pipes 14, the heat conducting oil 16 is installed on the inner sides of the heat absorbing pipes 13, the heat dissipating shaft pipes 17 and the two pairs of heat insulation shunt pipes 14, a plurality of heat dissipating transport sleeves are respectively sleeved on the outer sides of the heat dissipating shaft pipes 17, the drying transport belt 18 is sleeved on the heat dissipating transport sleeves, and the drying driver 22 is installed on the drying box 3, the drying chain wheels 20 are respectively sleeved on the heat dissipation shaft tubes 17 and the driving ends of the drying driving machines 22, the drying chains 21 are sleeved on the drying chain wheels 20, the drying conveying belts 18 are sleeved on the outer sides of the heat dissipation conveying sleeves 19, the pair of square-shaped limiting blocks 23 are arranged on the inner side walls of the drying box 3, the plurality of drying limiting shafts 25 are respectively inserted on the top ends of the inner sides of the drying box 3 through bearings, the driving ends of the air-drying driving machines 26 are inserted on the top ends of the drying box 3 through bearings, the plurality of drying circular disks 24 are respectively arranged on the plurality of drying limiting shafts 25 and the driving ends of the air-drying driving machines 26, the plurality of drying circular disks 24 are respectively movably inserted on the inner sides of the pair of square-shaped limiting blocks 23, and the plurality of drying circular disks 24 are arranged in a tooth-arrangement staggered manner, the plurality of conductive magnets 27 are respectively installed on the plurality of drying disks 24, the plurality of rotating pieces 28 are respectively installed on the plurality of drying disks 24, the plurality of electric heating tubes 29 are uniformly installed on the inner side wall of the drying oven 3, and the filter assembly is installed on the top end of the drying oven 3; the screening reposition of redundant personnel structure contains: a pair of zigzag screening plates, a pair of screening nets and a vibrating screening assembly; the pair of the square-shaped sieving plates are arranged on the inner side of the sieving box 4 in a triangular mode, the pair of sieving nets are respectively arranged on the inner sides of the pair of the square-shaped sieving plates, and the vibrating sieving assembly is arranged on the pair of the square-shaped sieving plates; the vibratory screening assembly includes: the device comprises two pairs of concave knocking barrels, two pairs of convex knocking blocks, two pairs of clip-shaped knocking limiting blocks, two pairs of knocking spring columns, two pairs of adsorption magnets, two pairs of electric magnets and two pairs of stretching hydraulic cylinders; the two pairs of concave knocking barrels are arranged on the pair of the square-wave sieving plates in a pairwise parallel mode, the two pairs of the convex knocking blocks are respectively movably inserted into the inner sides of the two pairs of the concave knocking barrels, the two pairs of the square-wave knocking limiting blocks are respectively arranged on the inner sides of the two pairs of the concave knocking barrels, the two pairs of the knocking spring columns are respectively arranged on the two pairs of the square-wave knocking limiting blocks, the other ends of the two pairs of the knocking spring columns are respectively connected to the two pairs of the convex knocking blocks, the two pairs of the adsorption magnets are respectively arranged on the two pairs of the convex knocking blocks, the two pairs of the stretching hydraulic cylinders are respectively arranged on the inner sides of the two pairs of the concave knocking barrels, and the two pairs of the electric magnets are respectively arranged on the pushing ends of the two pairs of the stretching hydraulic cylinders; the filter assembly comprises: the filter box, a pair of filter return plates, a pair of filter screens, a filter bag and a plurality of drainage tubes; the filter box is arranged at the top end of the drying box 3, the pair of filter return plates are arranged on the inner side of the filter box, the pair of filter screens are respectively arranged on the pair of filter return plates, the filter bag is arranged between the pair of filter return plates, the plurality of drainage tubes are respectively inserted at the upper end and the lower end of the filter box, and the plurality of drainage tubes are uniformly inserted at the top end of the drying box 3; the reflow structure includes: the device comprises a concave lifting box, a discharging plate, a discharging shaft, two pairs of lifting winches, a plurality of lifting slide blocks, a plurality of lifting slide ways, a clip-shaped return box, a pair of drainage tubes and a pair of sealing valves; the square-shaped backflow box is arranged on the processing support 1, and the concave lifting box is movably inserted into the inner side of the square-shaped backflow box. The plurality of lifting slide ways are respectively arranged on the inner sides of the square-shaped return boxes, the plurality of lifting slide blocks are respectively arranged on the side walls of the concave lifting boxes, the plurality of lifting slide blocks are respectively movably inserted into the inner sides of the plurality of lifting slide ways, the concave lifting boxes are provided with discharge openings, the discharge shafts are inserted into the inner sides of the discharge openings through bearings, the discharge plates are arranged on the discharge shafts, two pairs of lifting winches are arranged on the processing support 1 in a pairwise parallel manner, the two pairs of lifting winches are connected onto the concave lifting boxes, one pair of drainage tubes are respectively connected onto the screening boxes 4 and the ball mills 5, and one pair of sealing valves are respectively arranged on one pair of drainage tubes; a transmission is arranged on the belt scale 11; and temperature sensors are respectively arranged on the inner sides of the drying boxes 3.

The production method of the rotary drum compound fertilizer comprises the following operation steps: step S1, mixing and draining raw materials; step S2, finished product monitoring and adjusting; step S3, drying; step S4, screening and refluxing;

step S1: guiding concentrated sulfuric acid in a raw material box 6 to the inner side of a dilution box 7, diluting the concentrated sulfuric acid to a certain mass fraction by using water in proportion, cooling, metering by using a rotor flow meter, metering gas ammonia by using a vortex flow meter, simultaneously feeding the gas ammonia and the gas ammonia into a tubular reactor 8, and instantly performing neutralization reaction to generate ammonium sulfate slurry with higher temperature, wherein the ammonium sulfate slurry is sprayed into a rotary drum granulator 2 by means of pressure generated by the reaction;

step S2: the finished product is continuously monitored by the belt weigher 11 and the machine vision granularity detector 10, and when the size of the finished product is too large or too small, the speed of raw material drainage is changed by opening the plurality of drainage valves 12;

step S3: the heat generated in the dilution box 7 and the tubular reactor 8 is guided to the inner side of the drying box 3, and is dried at high temperature through a plurality of electric heating pipes 29;

step S4: the inside that is less than the drainage feed back storehouse is sieved in advance to the certain size through screening structure, in will be greater than the product drainage of certain size simultaneously to ball mill 5, the inboard that the feed back storehouse was arrived in the raw materials drainage that will grind down simultaneously.

In the step S1, the raw materials potassium chloride and monoammonium phosphate in the raw material box 6 are metered, mixed and crushed by the batching station, and then quantitatively conveyed into the rotary drum granulator 2 by the belt scale 11, the powdery raw material and the ammonium sulfate slurry are mixed to form a solid solution with a certain liquid phase, the solid solution is rolled and granulated in the rotary drum granulator 2, meanwhile, in the environment of high temperature of steam, double decomposition reaction occurs among the materials to generate double salt, the final product of the granulator is phosphorus compound fertilizer granulated particles, and the tail gas generated in the granulation process is discharged after being washed by the venturi washer.

The present embodiment is characterized by comprising: the device comprises a processing support, a rotary drum granulator, a drying box, a screening box, a ball mill and a material returning bin, wherein the rotary drum granulator, the drying box, the screening box, the ball mill and the material returning bin are arranged on the processing support, and a detection and adjustment feeding structure is arranged on the rotary drum granulator. A drying structure is installed in the drying box and connected to the detection and adjustment feeding structure, a screening and shunting structure is installed in the screening box, the ball mill and the material returning bin are installed on the processing bracket, and the material returning bin is connected to the ball mill and the screening and shunting structure through a backflow structure; detect and adjust the feed structure and include: the device comprises a plurality of raw material boxes, a dilution box, a tubular reactor, a detection box, a machine vision granularity detector, a belt scale and a plurality of drainage valves; the device comprises a processing support, a plurality of raw material boxes, a dilution box, a tubular reactor, a detection box, a machine vision granularity detector, a belt scale, a machine vision granularity detector and a control system, wherein the raw material boxes are respectively and uniformly arranged on the processing support, the raw material boxes are connected to a rotary drum granulator through a drainage valve, the dilution box is arranged on the processing support, the tubular reactor is arranged on the inner side of the processing support and is connected to the rotary drum granulator through the drainage valve, the detection box is arranged on the processing support and is connected to the rotary drum granulator, the machine vision granularity detector and the belt scale are arranged on the inner side of the detection box, and the machine vision granularity detector is positioned above the belt scale; from the manual granulation and under the automatic granulation state, the instantaneous flow of finished products is analyzed, and the instantaneous flow of finished products is more stable, thereby proving that the automatic granulation production system is more stable. In addition, after automatic granulation, the flow rate of returned materials is greatly reduced, and the yield of granulated particles can reach 100%. All indexes of the finished product are qualified in a sampling inspection result, the qualification rate is obviously improved, and all indexes are more stable.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Example (b): concentrated sulfuric acid in a raw material box 6 is drained to the inner side of a dilution box 7, water is diluted to a certain mass fraction according to a proportion and then is cooled, heat generated by dilution in the dilution box 7 is drained to heat conduction oil 16 through heat conduction oil 16 in a plurality of heat absorption pipes 13, meanwhile, the heat generated by dilution is drained to the heat conduction oil 16 in the heat conduction pipes 13, two pairs of heat insulation shunt pipes 14 and the heat conduction oil 16 in a plurality of heat dissipation shaft pipes 17 are circulated through a pair of drainage pumps 15, therefore, the purpose of draining the heat generated by dilution to the inner side of a drying box 3 is achieved, gas ammonia is metered through a rotor flow meter and simultaneously enters the inner side of a tubular reactor 8, ammonium sulfate slurry with higher temperature is generated by the reaction, the ammonium sulfate slurry is sprayed into a rotary drum granulator 2 by means of pressure generated by the reaction, potassium chloride and monoammonium phosphate are drained into the rotary drum granulator 2, and powdery raw material ammonium sulfate and the slurry are mixed to form solid solution with a certain liquid phase, the solid solution is rolled and granulated in a rotary drum granulator 2, and meanwhile, double decomposition reaction is carried out among materials in a high-temperature steam environment to generate double salt, and finally the product of the granulator is phosphorus compound fertilizer granulation particles. Tail gas generated in the granulation process is discharged after being washed by a Venturi washer, the granulated raw material is guided to a belt weigher 11 in a detection box 9, the measurement is carried out by the belt weigher 11, meanwhile, the raw material on the belt weigher 11 is detected by a machine vision granularity detector 10 above the belt weigher 11, the granularity of the granulated particles at the outlet of the granulator is detected by the machine vision granularity detector 10 in real time, the granularity of the granulated particles at the outlet is logically operated with the set particle diameter, the opening variation of a steam valve is output, the opening variation of the steam valve calculated by the granularity detection and the opening of a valve for controlling the flow of returned materials are logically operated to obtain the total opening of a guide valve 12 which is finally input to a steam valve actuator, a pre-adjusting-PI D control system which comprehensively considers the flow of the returned materials and the granularity of the granulated particles is adopted to automatically control the opening of the steam valve, and a proper amount of steam is added to enter the granulator, the granulator makes stable granulation granule, the inboard of drying cabinet 3 is drained with the raw materials through belt weigher 11, move through dry driver 22, it rotates to drive dry disc 24 on the dry driver 22 drive end, it rotates to drive a plurality of revolving fragment 28 and a plurality of conduction magnet 27 on it through dry disc 24, it conducts to drive a plurality of conduction magnet 27 on dry disc 24 on it respectively through the rotatory conduction magnet 27 of a plurality of, thereby it drives rotatoryly to reach a plurality of dry disc 24, thereby it drives revolving fragment 28 on it respectively to drive through the rotatory dry disc 24 of a plurality of, air drainage in the rose box is to the inboard of drying cabinet 3, filter the filter screen on the shape board back through filtering in the rose box, filter the raw materials in the filter bag between a pair of filter screens simultaneously, afterwards, the screening net on a pair of shape screening board that drains the raw materials after drying in screening box 4 advances the raw materials into The line is sieved, simultaneously through vibrations screening subassembly operation, through breaking off adsorption magnet for two couples of protruding types are knocked the knocking spring post on the piece and are stretched out and drawn back, thereby reach and strike the piece with two couples of protruding types and knock back the shape screening board, thereby reach and strike the screening net that will return on the shape screening piece and sieve, retrieve the collection through reflux structure with the raw materials.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. Rotary drum compound fertilizer automated production device includes: the device comprises a processing support, a rotary drum granulator, a drying box, a screening box, a ball mill and a material returning box, and is characterized in that the rotary drum granulator, the drying box, the screening box, the ball mill and the material returning box are mounted on the processing support, a detection and adjustment feeding structure is mounted on the rotary drum granulator, a drying structure is mounted in the drying box, the drying structure is connected to the detection and adjustment feeding structure, a screening and flow dividing structure is mounted in the screening box, and the material returning box is connected to the ball mill and the screening and flow dividing structure through a backflow structure;

2. The automatic rotary drum compound fertilizer production device according to claim 1, wherein the drying structure comprises: the device comprises a plurality of heat absorption pipes, two pairs of heat insulation shunt pipes, a pair of drainage pumps, heat conduction oil, a plurality of heat dissipation shaft pipes, a drying and conveying belt, a plurality of heat dissipation conveying sleeves, a plurality of drying chain wheels, a drying chain, a drying driving machine, a pair of clip-shaped limiting blocks, a plurality of drying discs, a plurality of drying limiting shafts, an air drying driving machine, a plurality of conductive magnets, a plurality of rotating pieces, a plurality of electric heating pipes and a filtering assembly;

3. The automatic production device of the drum compound fertilizer as claimed in claim 2, wherein the screening and shunting structure comprises: a pair of zigzag screening plates, a pair of screening nets and a vibrating screening assembly;

4. The automatic rotary drum compound fertilizer production device according to claim 3, wherein the vibration screening assembly comprises: the device comprises two pairs of concave knocking barrels, two pairs of convex knocking blocks, two pairs of clip-shaped knocking limiting blocks, two pairs of knocking spring columns, two pairs of adsorption magnets, two pairs of electric magnets and two pairs of stretching hydraulic cylinders;

5. The automatic production device of drum compound fertilizer as claimed in claim 4, wherein the filtering assembly comprises: the filter box, a pair of filter return plates, a pair of filter screens, a filter bag and a plurality of drainage tubes;

6. The automatic production device of drum compound fertilizer as claimed in claim 5, wherein the backflow structure comprises: the device comprises a concave lifting box, a discharging plate, a discharging shaft, two pairs of lifting winches, a plurality of lifting slide blocks, a plurality of lifting slide ways, a clip-shaped return box, a pair of drainage tubes and a pair of sealing valves;

the clip-shaped return box is arranged on the processing bracket, the concave lifting box is movably inserted into the inner side of the clip-shaped return box, a plurality of lifting slideways are respectively arranged on the inner side of the clip-shaped return box, a plurality of lifting slide blocks are respectively arranged on the side wall of the concave lifting box, and a plurality of the lifting slide blocks are respectively and movably inserted inside a plurality of the lifting slide ways, the concave lifting box is provided with a discharge opening, the unloading shaft is inserted into the inner side of the unloading opening through a bearing, the unloading plate is arranged on the unloading shaft, two pairs of lifting winches are arranged on the processing bracket in a pairwise parallel manner, and the two pairs of lifting winches are connected to the concave lifting box, the pair of drainage tubes are respectively connected to the screening box and the ball mill, and the pair of sealing valves are respectively arranged on the pair of drainage tubes.

7. The automatic production device of the drum compound fertilizer as claimed in claim 1, wherein the belt scale is provided with a transmission.

8. The automatic production device of the drum compound fertilizer as claimed in claim 1, wherein the inner sides of the drying boxes are respectively provided with a temperature sensor.