CN113883877B

CN113883877B - Production manufacturing system of compound fertilizer

Info

Publication number: CN113883877B
Application number: CN202111179961.XA
Authority: CN
Inventors: 刘新领
Original assignee: Diyi Ecological Fertilizer Co ltd
Current assignee: Diyi Ecological Fertilizer Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-08-05
Anticipated expiration: 2041-10-11
Also published as: CN113883877A

Abstract

The invention relates to a production and manufacturing system of a compound fertilizer, which comprises a granulator and a drying and cooling integrated tower positioned at the downstream of the granulator, wherein the drying and cooling integrated tower comprises a tower body which is vertically arranged, an inner cavity of the tower body is divided into a drying chamber and a cooling chamber which are vertically arranged by a partition plate, a hot air outlet and a first tray are arranged in the drying chamber, a cold air outlet and a second tray are arranged in the cooling chamber, the left end of the first tray is hinged with the tower body, a first tray reset spring is arranged between the right end of the first tray and the tower body, a tray baffle plate is assembled on the tower body on the left side of the first tray in a vertically guiding and moving mode, a baffle rack is arranged on the tray baffle plate, and a tray gear which is in meshed transmission with the baffle rack is coaxially connected on the first tray. The invention solves the technical problems that the quality of chemical fertilizer particles is influenced because the drying and cooling processes of the chemical fertilizer particles are easy to dry and the cooling is insufficient in the prior art.

Description

Production manufacturing system of compound fertilizer

Technical Field

The invention relates to a production and manufacturing system of a compound fertilizer in the field of fertilizer production.

Background

The compound fertilizer is a chemical fertilizer made by chemical processing method, and is divided into general type and special type, the general type is applicable to a wider range of regions and crops, and the special type is only applicable to a certain crop in a certain region.

The production manufacturing process of compound fertilizer among the prior art is raw materials batching → stirring mixes → crushing caking → granulation → screening → granule is dried → granule cooling, pack at last, among the prior art, granule is dried and granule cooling, appear easily because fertilizer granule pile layer thickness is thick, and lead to partial fertilizer granule to dry, the cooling is not thorough, be the main factor of response fertilizer granule quality, in addition, among the prior art, the fertilizer granule need be with the help of conveying equipment by the drying-machine to the cooling process, conveying equipment's use not only can occupy great place, also can lose more energy consumption.

Disclosure of Invention

The invention aims to provide a production and manufacturing system of a compound fertilizer, which aims to solve the technical problems that the quality of fertilizer particles is influenced by the easiness in drying and cooling processes of the fertilizer particles and insufficient cooling in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the utility model provides a production manufacturing system of compound fertilizer, including the granulator, still including the integrative tower of stoving cooling that is located the granulator low reaches, integrative tower of stoving cooling includes vertical layout's shaft, the inner chamber of shaft is separated into drying chamber and the cooling chamber of arranging from top to bottom by the baffle, be provided with hot air outlet and first tray in the drying chamber, be provided with cold wind export and second tray in the cooling chamber, the left end of first tray links to each other with shaft hinge, be provided with first tray reset spring between the right-hand member of first tray and the shaft, on the shaft in the left side of first tray is equipped with the tray baffle along upper and lower direction removal, be provided with the baffle rack on the tray baffle, be connected with the tray gear with baffle rack interlock transmission on the coaxial line on the first tray, first tray rotates the in-process and has the material receiving level that is in horizontal position by the chemical fertilizer granule pressure application of pressure, first tray rotates in-process still has and receives the effect of first tray reset spring around the articulated shaft when granule weight lightens The line is turned to a material pouring position with a left bottom and a right high state, when the material is received, the first tray drives the tray baffle to move to a high position, when the material is poured, the first tray drives the tray baffle to move to a low position, and the upper end of the tower body is provided with a tower body feeding hole corresponding to the first tray; the second tray is located the left side of first tray, and the second tray includes the tray bottom plate that can open downwards when pressurized, and the tray bottom plate links to each other with the body of the tower is articulated, is provided with second tray reset spring between tray bottom plate and the body of the tower, is provided with the punishment in advance passageway on the baffle between first tray and second tray, and the bottom of body of the tower is provided with the body of the tower discharge gate.

The hot air outlet is arranged on the left side of the tower body, the hot air outlet is inclined downwards from left to right, the cold air outlet is arranged on the right side of the tower body, and the cold air outlet is inclined downwards from right to left.

The hot air outlet faces the first tray, and the cold air outlet faces the second tray.

The outer side of the tower body is provided with a hot air source for supplying air to the hot air outlet, the partition plates comprise an upper partition plate and a lower partition plate which are arranged at an upper interval and a lower interval, a heat insulation ventilation cavity is formed between the upper partition plate and the lower partition plate, an air suction opening communicated with the heat insulation ventilation cavity is formed in the channel wall of the material passing channel, and the heat insulation ventilation cavity is connected with the hot air source through a pipeline.

On the baffle plate, a material baffle plate for preventing the fertilizer particles from crossing the material passing channel when the material is poured is arranged on the left side of the material passing channel.

A first weighing hopper is arranged at the feed inlet of the tower body.

The downside of body of the tower discharge gate is provided with downside storage bin, and the downside of downside storage bin is provided with the second weighing hopper that is used for quantitative bagging-off.

The beneficial effects of the invention are as follows: in the invention, the inner cavity of the tower body is divided into a drying chamber and a cooling chamber which are arranged up and down by a partition plate, the drying chamber is used for drying fertilizer particles, the cooling chamber is used for cooling the fertilizer particles, when no fertilizer particles are poured into the first tray, the first tray is under the action of a first tray return spring, the first tray is at a pouring position with a left bottom and a right high state, when the fertilizer particles are poured onto the first tray, the first tray rotates to a horizontally arranged receiving position, a tray baffle plate can ensure that the fertilizer particles can stay on the first tray, hot air discharged from a hot air outlet dries the fertilizer particles on the first tray, firstly, the fertilizer particles on the surface layer are dried, after the fertilizer particles on the surface layer are dried, the whole weight of the fertilizer particles on the first tray becomes light, the first tray gradually appears in a state with a left low and a right high state, and then the dried fertilizer particles on the surface layer can roll off from the first tray by self weight, the chemical fertilizer granule after being dried falls into on the second tray of the cooling chamber through the punishment in advance passageway on the baffle, just begin, the chemical fertilizer granule that falls into on the second tray is less, the weight of chemical fertilizer granule is not enough to make the tray bottom plate rotate, consequently, the chemical fertilizer granule can stop on the second tray, cool off at the cooling chamber, on all chemical fertilizer granules fall the second tray on until first tray, the weight that all chemical fertilizer granules are together is enough to overcome second tray reset spring's effort, the tray bottom plate rotates downwards and opens, can discharge through the body of a tower discharge gate by complete refrigerated chemical fertilizer granule. In-process at first tray slope gradually, in order to avoid tray baffle position higher, and lead to the partial chemical fertilizer granule of having dried to drop smoothly, rotate the in-process as first tray, the tray baffle is driven by the tray gear, move down gradually, reduce the height of tray baffle, thereby guarantee that the top layer chemical fertilizer granule of drying can all be dropped by first tray, the chemical fertilizer granule of drying falls behind, new naked chemical fertilizer granule is dried with hot-blast contact, realize the stoving of chemical fertilizer granule one deck like this, drop to the second tray of one deck, guarantee the stoving cooling effect of chemical fertilizer granule, and simultaneously, the chemical fertilizer granule is from drying to the cooling process, rely on self gravity to carry completely, need not be with the help of other transport structure.

Drawings

FIG. 1 is a schematic block diagram of one embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic view of the first tray of FIG. 1 in a receiving position;

FIG. 4 is a schematic view of the structure of the second tray of FIG. 1;

FIG. 5 is a schematic view of the pelletizer in accordance with the present invention;

FIG. 6 is an exploded view of the mixing mechanism and mixing tub and hopper of FIG. 5;

FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective;

FIG. 8 is an exploded view of the hopper of FIG. 6;

FIG. 9 is an exploded view of the transfer assembly and roll-on-roll configuration of the pelletizer in accordance with the present invention;

in the figure, 1, a first weighing hopper; 2. a tower body feed inlet; 3. a hopper gate; 4. a tower body; 5. an upper separator plate; 6. a lower layer separator; 7. a cold air outlet; 8. a cold air source; 9. a lower-side storage bin; 10. a second weighing hopper; 11. a fertilizer bag; 12. a tower body discharge port; 13. a second tray; 14. a second tray return spring; 15. a tray floor; 16. a thermally insulated ventilation chamber; 17. a first tray return spring; 18. a first tray; 19. a tray baffle; 20. a material baffle; 21. a pipeline; 22. a hot air source; 23. a hot air outlet; 24. a baffle rack; 25. a tray gear; 26. a material passing channel; 27. an air suction opening; 28. a cooling chamber; 29. a drying chamber; 30. a bearing platform; 31. a mounting frame; 32. a mixing barrel; 33. a hopper; 34. a fixing member; 35. a slot; 36. closing the plate; 37. a stop block; 38. a solenoid; 40. a lead screw; 41. an adjustment wheel; 42. a dial scale; 43. a delivery conduit; 44. A convex ring; 45. a material sealing ring; 46. a handle; 47. a mixing shaft; 48-stirring blade; 49. an annular frame; 50. a transmission belt; 51. a motor; 52. a first bevel gear; 53. a second bevel gear; 54. a drive shaft; 55. pressing the shaft; 56. a compression roller; 57. a polymerization hopper; 58. and (4) a pore plate.

Detailed Description

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The embodiment of the production and manufacturing system of the compound fertilizer in the invention is shown in figures 1-9:

including granulator (not shown in the figure) and set up the integrative tower of drying cooling in granulator low reaches, the granulator is carousel formula granulator, and the granulator belongs to prior art, does not detail here again.

Integrative tower of stoving cooling includes vertical layout's shaft 4, drying chamber 29 and the cooling chamber 28 of arranging about the inner chamber of shaft 4 is separated into by the baffle, set up by hot air outlet 23 and first tray 18 in the drying chamber 29, be provided with cold wind export 7 and second tray 13 in the cooling chamber, the left end of first tray 18 links to each other in shaft 4 is articulated, be provided with first tray reset spring 17 between the right-hand member of first tray and the shaft, it is equipped with tray baffle 19 to lead to remove along upper and lower direction in the left side of first tray on the shaft, be provided with baffle rack 24 on the tray baffle 19, be connected with on the coaxial line on first tray 18 with baffle rack interlock driven tray gear 25.

First tray rotates the in-process and has the material receiving position (as shown in fig. 3) that is in horizontal position that is exerted pressure by the chemical fertilizer granule, first tray rotates the in-process still to have and receive first tray reset spring effect when chemical fertilizer granule weight becomes light around articulated axis upset to the high position of the right side in left side end (as shown in fig. 2), when receiving the material position, first tray drive tray baffle removes to the high position, when falling the material position, first tray drive tray baffle removes to the low level, the tower body upper end is provided with the tower body feed inlet 2 corresponding with first tray. The tower body feed inlet department is provided with first weighing hopper 1, and first weighing hopper 1 is provided with feeding bin (not shown in the figure) including the hopper bin gate 3 that can open and close, the upside of first weighing hopper, and the chemical fertilizer granule of accomplishing by the granulator granulation is carried to feeding bin in through conveyor.

The second tray 13 is located on the left side of the first tray 18, the second tray 13 comprises a tray bottom plate 15 which can be opened downwards when pressed, the tray bottom plate is of a pair of oppositely-opening door structures, the tray bottom plate is hinged with the tower body, a second tray reset spring 14 is arranged between two oppositely-opening doors of the tray bottom plate and the tower body, a material passing channel 26 is arranged between the first tray and the second tray on the partition plate, and a tower body discharge hole 12 is formed in the bottom of the tower body.

The hot air outlet 23 is arranged on the left side of the tower body, the hot air outlet is inclined downwards from left to right, the cold air outlet 7 is arranged on the right side of the tower body, and the cold air outlet is inclined downwards from right to left. The hot air outlet faces the first tray, and the cold air outlet faces the second tray. The first tray is located the right side of body of the tower inner chamber, and the second tray is located the left side of body of the tower inner chamber, and the upper left corner of body of the tower is provided with the left side unfilled corner, and the lower right corner of body of the tower is provided with the right side unfilled corner, and the left side unfilled corner is provided with hot air source 22 to the hot air outlet air feed, and right side unfilled corner department is provided with cold wind air source 8 to the cold wind outlet air feed. The hot air source comprises a hot air fan, and the cold air source comprises a fan and a heat exchanger.

The partition plate comprises an upper partition plate 5 and a lower partition plate 6 which are arranged at an upper interval and a lower interval, a heat insulation ventilation cavity 16 is formed between the upper partition plate 5 and the lower partition plate 6, an air suction opening 27 communicated with the heat insulation ventilation cavity is formed in the channel wall of the material passing channel 16, and the heat insulation ventilation cavity 16 is connected with a hot air source 22 through a pipeline 21. On the baffle in the left side of punishment in advance passageway is provided with the material baffle 20 that is used for preventing that the chemical fertilizer granule from crossing the punishment in advance passageway when falling the material level.

A lower side storage bin 9 is arranged on the lower side of the tower body discharge port, and a second weighing hopper 10 for quantitative bagging is arranged on the lower side of the lower side storage bin.

In the production process of the compound fertilizer, firstly, fertilizer particles are formed by granulation, the fertilizer particles are conveyed to a feeding bin on the upper side of a drying and cooling integrated tower through a conveying device, the fertilizer particles in the feeding bin fall into a first weighing hopper, the first weighing hopper weighs the fertilizer particles to obtain a certain mass of the fertilizer particles, the mass of the fertilizer particles meets the following condition, and when the fertilizer is not dried, the first tray can be pressed to be in a horizontal state by the fertilizer particles; after the fertilizer particles are completely dried, the weight of the fertilizer particles can open the bottom plate of the tray, so that according to the empirical value, a minimum weighing weight is set, and the weighing weight of the first weighing hopper is assumed to be 1000 kg.

When the fertilizer particles in the first weighing hopper reach the corresponding weight, the hopper door of the first weighing hopper is opened, the fertilizer particles in the first weighing hopper completely fall into the first tray, the first tray is pressed to the horizontally arranged receiving position, the fertilizer particles on the uppermost layer are dried along with the continuous drying, the weight of the fertilizer particles on the first tray is reduced, the first tray reset spring drives the first tray to gradually change into a state of low left and high right, meanwhile, the tray gear connected to the first tray drives the baffle rack to move downwards, the height of the baffle rack is reduced, the dried fertilizer particles are poured to the material passing channel and then fall onto the second tray on the lower left side, when the fertilizer particles just fall into one layer of the second tray, the weight is not enough to overcome the second tray reset spring, so that the tray bottom plate can not be opened, the corresponding cooling operation can be carried out, and the fertilizer particles are dried by one layer, and the fertilizer is also cooled by one layer, so that the technical problems that the fertilizer particles on the inner layer are difficult to dry and cool in the prior art do not exist, and the drying and cooling effects of the fertilizer particles can be ensured.

The orientation of hot air outlet, cold air outlet is opposite, can avoid drying chamber, cooling chamber air current to scurry indiscriminately to guarantee that the temperature of drying chamber, cooling chamber is not influenced each other as far as, hot air outlet orientation and chemical fertilizer granule roll off opposite direction in addition, can guarantee the stoving effect to the chemical fertilizer granule. The baffle is two-layer structure, the heat that can further avoid the drying chamber causes the influence to the cooling chamber, upper baffle simultaneously, the thermal-insulated ventilation chamber between the baffle of lower floor, form the air interlayer, further avoid the heat to transmit between drying chamber and cooling chamber through the baffle, utilize the pipeline to form the negative pressure environment with the thermal-insulated ventilation chamber that hot air source links to each other, if there is the hot gas flow along with chemical fertilizer granule downward flow, the hot gas flow can be through the inlet scoop 27 inhale in the thermal-insulated ventilation chamber, and then get back to in the air heater, in order to the energy can be saved. The hot air source is located at the left gap, the cold air source is located at the right gap, and the whole equipment is small in size. The cooled fertilizer particles enter a lower storage bin 9, and are weighed by a second weighing hopper 10, and then fertilizer bags 11 are bagged. That is to say, self-drying, cooling and weigh bagging-off do not all utilize other conveyor, rely on the dead weight of chemical fertilizer granule completely to accomplish, the energy can be saved reduces equipment cost.

The granulator in this embodiment is shown in fig. 5 to 9:

the granulator comprises a bearing platform 30 and a mounting frame 31 fixed on the bearing platform 30, wherein a mixing mechanism is arranged in the mixing barrel 32 and is used for mixing raw materials which are proportionally discharged into the mixing barrel 32 from the hopper 33 through the conveying pipeline 43; a sealing component is movably arranged in the mixing barrel 32 and is used for controlling the communication between the conveying pipeline 43 and the mixing barrel 32; a rolling structure is arranged in the polymerization hopper 57 and is used for pressing raw materials mixed by the mixing mechanism according to a certain proportion into granular products;

the motor 51 is respectively connected with the mixing mechanism and the rolling structure through a transmission assembly, a plurality of fixing pieces 34 are uniformly arranged on the outer wall of the mixing barrel 32 along the circumference, and the hopper 33 is arranged on the fixing pieces 34.

In the embodiment of the invention, the hopper 33 and the mixing barrel 32 are not communicated before the opening degree of each valve is not adjusted through the closing component, and each hopper 33 and the mixing barrel 32 can be communicated simultaneously after all the valves are adjusted in proportion, so that each raw material flows and is discharged into the mixing barrel 32 according to the set proportion;

the rolling structure and the mixing mechanism are connected through the transmission assembly, so that the mixing and granulating of the raw materials are synchronously carried out.

Specifically, the valve is disposed between the bottom of the hopper 33 and the upper port of the conveying pipe 43, a through hole corresponding to the lower port of the conveying pipe 43 is formed in the edge of the upper side wall of the mixing tub 32, and a notch for the lower portion of the conveying pipe 43 to pass through is also formed in the fixing member 34.

In an embodiment of the present invention, the valve includes a sealing plate 36, a solenoid 38, a lead screw 40, and a dial 42, wherein a slot 35 is formed in a lower portion of the hopper 33, and the sealing plate 36 is slidably fitted into the slot 35; the solenoid 38 is fixed at one end of the closing plate 36 penetrating out of the slot 35; the screw 40 is connected with the screw tube 38 through a thread pair, and an adjusting wheel 41 is fixed at one end of the screw 40 far away from the screw tube 38; the dial 42 is fixed on a side plate, and the side plate is vertically arranged on the outer wall of the hopper 33; the lead screw 40 penetrates through the side plate and is connected with the side plate through a bearing, and the lead screw 40 is coaxial with the dial 42; a stop block 37 is fixed to the lower portion of the sealing plate 36 on the side away from the solenoid 38.

In the embodiment of the present invention, since the stop block 37 is provided, the closing plate 36 is not completely withdrawn from the slot 35; the sealing plate 36 can penetrate through the slot 35 to seal the bottom of the hopper 33, when the adjusting wheel 41 is rotated to drive the screw 40 to rotate, the screw 38 is driven by the screw 40 to drive the sealing plate 36 to move towards the side close to the adjusting wheel 41, so that the bottom of the hopper 33 is opened, and the size of the opening degree depends on the rotating angle of the adjusting wheel 41;

the degree of opening and closing of each valve can be equivalently replaced by the rotation angle of the regulating wheel 41 corresponding to the valve, and the rotation angle can be obtained by referring to the dial plate 42.

As an embodiment of the present invention, the sealing assembly includes two convex rings 44, a sealing ring 45, and a handle 46, the two convex rings 44 are fixedly disposed on the inner wall of the upper portion of the mixing barrel 32, the lower port of the conveying pipe 43 is disposed between the two convex rings 44, the sealing ring 45 is rotatably embedded between the two convex rings 44, and the sealing ring 45 is provided with a plurality of discharge ports corresponding to the lower port of the conveying pipe 43; the handle 46 is fixed on the sealing ring 45 and used for manually driving the sealing ring 45 to rotate.

In the embodiment of the invention, before the raw materials are loaded into the hopper 33, the material sealing ring 45 is rotated between the two convex rings 44 by pulling the handle 46, and the material outlet on the material sealing ring 45 is rotated to be staggered with the lower end opening of the conveying channel 13; after the opening degree of the valve is adjusted and the motor 51 and the pump are started, the sealing ring 45 is rotated again through the handle 46 so that the discharge port of the sealing ring 45 is aligned with the notch of the fixing member 34 and the lower port of the conveying pipe 43, and the raw materials loaded in the respective hoppers 33 are simultaneously discharged into the mixing barrel 32 in proportion.

As an embodiment of the present invention, the mixing mechanism includes a ring frame 49, a mixing shaft 47, a stirring blade 48; the annular frame 49 is fixed on the inner wall of the mixing barrel 32, the outer wall of the annular frame 49 is fixed with the inner wall of the mixing barrel 32, and a round opening is formed in the center of the annular frame 49; the mixing shaft 47 passes through a circular opening in the center of the annular frame 49 and is connected with the annular frame 49 through a bearing; the stirring blades 48 are multiple and are uniformly fixed at the lower part of the mixing shaft 47 along the circumference;

the transmission assembly is connected to a mixing shaft 47 in the mixing mechanism. To improve the stability of the mixing shaft 47, the annular frame 49 may be provided in a plurality of sets to improve the axial stability of the mixing shaft 47 during rotation.

In the embodiment of the invention, when the motor 51 works, the transmission assembly is utilized to drive the mixing shaft 47 to rotate, the rotating mixing shaft 47 drives the stirring blade 48 to rotate, the raw materials which continuously flow into the mixing barrel 32 from the hopper 33 are stirred, and ammonia water and phosphoric acid which are discharged by the pump are matched to form a compound fertilizer raw material with certain cohesive force.

As an embodiment of the present invention, the rolling structure includes a pressing shaft 55, an orifice plate 58, and a pressing roller 56; the pressing shaft 55 is rotatably arranged on the lower surface of the mounting frame 31 and connected with the transmission assembly, the pore plate 58 is fixed in the polymerization hopper 57, a plurality of through holes are uniformly formed in the pore plate 58, two groups of the pressing rollers 56 are symmetrically and rotatably arranged on two sides of the pressing shaft 55, and the lower part of the pressing roller 56 is tightly attached to the pore plate 58;

a through hole having an outer diameter equivalent to that of the mixing barrel 32 is formed in the mounting bracket 31, the mixing barrel 32 passes through the through hole and is fixed to the mounting bracket 31, and the bottom of the mixing barrel 32 faces the inner wall edge of the polymerization bucket 57.

In the embodiment of the present invention, when the motor 51 operates, the pressing shaft 55 is driven to rotate by the transmission assembly, the rotating pressing shaft 55 drives the pressing rollers 56 at both sides to make a circular motion around the pressing shaft 55, and at the same time, the pressing shaft 55 also rotates due to the friction between itself and the orifice plate 58, so as to press the raw material discharged from the mixing barrel 32 into the polymerization hopper 57, so that the raw material forms a columnar shape through the perforations on the orifice plate 58, and the columnar raw material is broken by gravity after passing through the perforations, thus forming a granular shape.

A conical bottom cover is covered at the lower part of the polymerization bucket 57, the bottom cover is fixed with the polymerization bucket 57, a conical digging groove is formed in the bearing platform 30, and the bottom cover penetrates through the digging groove and is fixed with the digging groove;

the formed fertilizer which passes through the through hole and is broken falls onto the conical bottom cover, is gathered and is discharged from the lower end of the bottom cover.

As an embodiment of the present invention, the transmission assembly includes a transmission shaft 54, a bevel gear set, a transmission belt 50; the transmission shaft 54 penetrates through the mounting frame 31 and is rotatably connected with the mounting frame, the upper end of the pressing shaft 55 is coaxially fixed with the lower end of the transmission shaft 54, the bevel gear set is connected with the output shaft of the motor 51 and the transmission shaft 54, and the transmission belt 50 is connected with the transmission shaft 54 and the upper end of the mixing shaft 47;

the bevel gear set comprises a first bevel gear 52 fixed at the end of the output shaft of the motor 51 and a second bevel gear 53 fixed on the transmission shaft 54 and engaged with the first bevel gear 52;

in detail, a vertical plate is vertically fixed on the mounting frame 31, an output shaft of the motor 51 passes through the vertical plate and is connected with the vertical plate through a bearing, a horizontal plate is horizontally fixed on the top of the vertical plate, and the top of the transmission shaft 54 is rotatably connected with the horizontal plate.

In the present embodiment, when the motor 51 is operated, the output shaft rotates, the output shaft drives the first bevel gear 52 to rotate, and further drives the second bevel gear 53 and the transmission shaft 54 to rotate, the transmission shaft 54 directly drives the pressing shaft 55 to rotate, and meanwhile, the transmission shaft 54 drives the mixing shaft 47 to rotate through the transmission belt 50.

In the invention, the same motor 51 is utilized to simultaneously realize the functions of mixing, stirring and rolling granulation, so that the whole granulator is more compact, and the blanking, mixing and granulation can be completed on the same machine; the raw materials flow into the mixing barrel 32 slowly to realize flowing type mixing and granulation, when the raw materials in the hoppers 33 are nearly completely discharged, the raw materials can be added into the hoppers 33 in proportion again so as to achieve the function of uninterrupted granulation, the flowing type mixing can ensure that all components are uniformly distributed in the fertilizer, and the quality of the fertilizer is better.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A production and manufacturing system of compound fertilizer comprises a granulator, and is characterized in that: the drying and cooling integrated tower is positioned at the downstream of the granulator and comprises a tower body which is vertically arranged, an inner cavity of the tower body is divided into a drying chamber and a cooling chamber which are vertically arranged by a partition plate, a hot air outlet and a first tray are arranged in the drying chamber, a cold air outlet and a second tray are arranged in the cooling chamber, the left end of the first tray is hinged with the tower body, a first tray reset spring is arranged between the right end of the first tray and the tower body, a tray baffle is arranged on the tower body and is assembled on the left side of the first tray along the vertical direction in a guiding and moving way, a baffle rack is arranged on the tray baffle, a tray gear which is meshed with the baffle rack and is in transmission is coaxially connected with the first tray, a material receiving position which is in a horizontal position under the pressure of fertilizer particles in the rotating process of the first tray is provided, and a material pouring position which is turned to a high state from a low left side to a right side under the action of the first tray reset spring in the rotating process of the fertilizer particles, when the material receiving position is reached, the first tray drives the tray baffle to move to a high position, when the material reversing position is reached, the first tray drives the tray baffle to move to a low position, and the upper end of the tower body is provided with a tower body feeding hole corresponding to the first tray; the second tray is located the left side of first tray, and the second tray includes the tray bottom plate that can open downwards when pressurized, and tray bottom plate links to each other with the body of the tower is articulated, is provided with second tray reset spring between tray bottom plate and the body of the tower, is provided with the punishment in advance passageway on the baffle between first tray and second tray, and the bottom of body of the tower is provided with the body of the tower discharge gate, on the baffle in the left side of punishment in advance passageway is provided with the material baffle that is used for preventing that the chemical fertilizer granule from crossing the punishment in advance passageway when falling the material level, and body of the tower feed inlet department is provided with first weighing hopper.

2. The production manufacturing system of claim 1, wherein: the hot air outlet is arranged on the left side of the tower body, the hot air outlet is inclined downwards from left to right, the cold air outlet is arranged on the right side of the tower body, and the cold air outlet is inclined downwards from right to left.

3. The production manufacturing system of claim 2, wherein: the hot air outlet faces the first tray, and the cold air outlet faces the second tray.

4. The production manufacturing system of claim 1, wherein: the outer side of the tower body is provided with a hot air source for supplying air to the hot air outlet, the partition plates comprise an upper partition plate and a lower partition plate which are arranged at an upper interval and a lower interval, a heat insulation ventilation cavity is formed between the upper partition plate and the lower partition plate, an air suction opening communicated with the heat insulation ventilation cavity is formed in the channel wall of the material passing channel, and the heat insulation ventilation cavity is connected with the hot air source through a pipeline.

5. The manufacturing system according to any one of claims 1 to 4, wherein: the downside of body of the tower discharge gate is provided with downside storage bin, and the downside of downside storage bin is provided with the second weighing hopper that is used for quantitative bagging-off.