CN219713729U - Cooling mechanism of potash fertilizer granulation device - Google Patents

Abstract

The utility model discloses a cooling mechanism of a potash fertilizer granulating device, which comprises a frame, wherein a granulating cylinder is arranged on the frame, two extrusion rollers which synchronously rotate in opposite directions are arranged in the granulating cylinder through a transmission mechanism, a granulating groove is formed in the outer surface of each extrusion roller, the cooling mechanism also comprises a cooling pipe, a cavity is formed in the middle of each extrusion roller, and the cooling pipes are concentrically arranged in the cavity; the annular pipes are uniformly distributed in the cavity, and the outer wall of each annular pipe is in contact with the inner wall of the cavity; the first communicating pipes are communicated between each annular pipe and the cooling pipe through a plurality of first communicating pipes which are equidistantly arranged; the snakelike coil pipe is cylindric and arranges on the inner wall of cavity, and cooling circuit subassembly, cooling circuit subassembly's input and output respectively with cooling tube's output and input intercommunication have solved the prior art biax squeeze roll that proposes among the prior art and can not cool down fast after the granulation, lead to the granulation and squeeze roll between the problem that can not be fine drops.

Description

Cooling mechanism of potash fertilizer granulation device

Technical Field

The utility model relates to the technical field of potash fertilizer granulation, in particular to a cooling mechanism of a potash fertilizer granulating device.

Background

In the prior art, in the granulating process of the potash fertilizer granulating device, as the powder potash fertilizer is contained in the granulating cylinder, water vapor is required to be continuously added into the granulating cylinder to moisten the powder potash fertilizer, and the moistened powder potash fertilizer is extruded by a double-shaft extrusion roller to generate particles. However, the use of steam is extremely easy to cause the temperature of the potassium fertilizer particles to be too high, so that the potassium fertilizer particles need to be cooled, otherwise, the particles after extrusion molding are adhered to the extrusion roller, so that the particles are inconvenient to fall off to influence subsequent granulation, and in order to improve the granulating efficiency and effect of the potassium fertilizer, a cooling mechanism of a potassium fertilizer granulating device for cooling the double-shaft extrusion roller is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a cooling mechanism of a potash fertilizer granulating device, which aims to solve the problem that the prior art double-shaft extrusion roller provided in the background art cannot be cooled down quickly after granulating, so that the granulating and the extrusion roller cannot fall off well.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a potash fertilizer prilling granulator's cooling mechanism, includes the frame, installs the prilling section of thick bamboo in the frame, installs two synchronous counter-rotating squeeze rolls through drive mechanism in the prilling section of thick bamboo, all is provided with the granulation groove on the surface of every squeeze roll, still includes:

the middle part of the extrusion roller is provided with a cavity, and the cooling pipe is concentrically arranged in the cavity;

the annular pipes are uniformly distributed in the cavity, and the outer walls of the annular pipes are in contact with the inner wall of the cavity;

the first communicating pipes are communicated between each annular pipe and the cooling pipe through a plurality of first communicating pipes which are equidistantly arranged;

the partition plate is arranged between every two annular rings, and is hermetically arranged inside the cooling pipe;

the second communicating pipes are in one-to-one correspondence with the partition plates in position and number, and are arranged between the two annular pipes corresponding to the second communicating pipes in a communicating way;

the serpentine coil is arranged on the inner wall of the cavity in a cylindrical mode, the input end and the output end of the serpentine coil are communicated with the output end of the cooling pipe, a separation plug is arranged between the input end and the output end of the serpentine coil, and the separation plug is installed in the cooling pipe in a sealing mode;

and the input end and the output end of the cooling loop assembly are respectively communicated with the output end and the input end of the cooling pipe.

Further, the cooling circuit assembly includes:

the water tank is arranged at the bottom of the frame;

the baffle is arranged in the water tank and divides the water tank into a first cavity and a second cavity;

the refrigerator is arranged on the upper side of the water tank, and the input end and the output end of the refrigerator are respectively communicated with the first cavity and the second cavity;

the first loop pipe is communicated with the first cavity and the input end of the cooling pipe;

the water pump is arranged on the first loop pipe;

and the second loop pipe is communicated with the second cavity and the output end of the cooling pipe.

Still further, the top of return circuit pipe one with return circuit pipe two is crooked form to the return circuit pipe one with the top of return circuit pipe two is higher than the height of squeeze roller.

Still further, still include:

and the heat conducting sheets are connected between the communicating pipes positioned on the same side along the axis direction of the cavity.

On the basis of the scheme, the transmission mechanism comprises:

a first gear and a second gear;

the first gear and the second gear are concentrically arranged on the outer sides of the two extrusion rollers respectively, and the first gear is identical to the second gear in type and is in meshed connection with the second gear.

In order to facilitate the relative rotation between the squeeze roller and the first loop pipe and the second loop pipe, preferably, the first loop pipe, the second loop pipe and the cooling pipe are rotatably communicated by adopting rotary joints.

In order to facilitate the collection of the granulated potash fertilizer particles, the method further comprises the following steps:

and the discharging hopper is communicated with and arranged at the bottom of the granulating cylinder.

Compared with the prior art, the utility model provides a cooling mechanism of a potash fertilizer granulating device, which has the following beneficial effects:

according to the utility model, through the cooperation of the cooling pipe, the annular pipe, the plurality of first communicating pipes, the plurality of partition boards, the plurality of second communicating pipes, the serpentine coil pipe and the separating plug, a communicating pipeline is formed, so that cooling water in the cooling loop component can sequentially pass through the cooling pipe, the first communicating pipe, the annular pipe, the second communicating pipe and the serpentine coil pipe, a cooling pipe network is formed through the design of the plurality of annular pipes and the serpentine coil pipe, the cooling pipe network is attached to the circumferential inner wall of the extrusion roller, the cooling water passes through the cooling pipe network, the heat exchange area of the circumferential inner wall of the extrusion roller can be increased, the side wall of the extrusion roller is rapidly cooled, and therefore materials entering the space between the two extrusion rollers are rapidly cooled, and after extrusion molding, the materials with high temperature can fall downwards along with the rotation of the extrusion rollers, the phenomenon that the materials with high temperature adhere to the extrusion rollers is reduced, the cooling water can be continuously provided for the formed pipeline through the cooling loop component, the cooling effect of the extrusion roller is ensured, and the granulating effect of potash fertilizer is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of another view of the present utility model;

FIG. 3 is a schematic diagram of the connection of the squeeze roll, the water tank, the first loop pipe and the second loop pipe;

FIG. 4 is a schematic diagram of the connection of the cooling tube, the annular tube and the serpentine spray tube of the present utility model;

FIG. 5 is a schematic diagram of the connection of the cooling tube, serpentine coil and plug of the present utility model;

FIG. 6 is a schematic view of the structure of the cooling pipe, the annular pipe, the heat conducting fin and the first communicating pipe connected with the partition board;

FIG. 7 is a schematic view of a partial enlarged structure of the present utility model at A in FIG. 6;

FIG. 8 is a schematic diagram of a circuit flow pattern formed by a cooling pipe, a first communicating pipe, a ring pipe, a second communicating pipe and a serpentine coil;

fig. 9 is a schematic plan view of a ring tube, a cooling tube and a plurality of communicating tubes of the present utility model.

In the figure: 1. a frame; 2. a granulating cylinder; 3. a squeeze roll; 4. a first gear; 5. a second gear; 6. a cooling pipe; 7. an annular tube; 8. a first communicating pipe; 9. a second communicating pipe; 10. a serpentine coil; 11. a barrier plug; 12. a water tank; 13. a partition plate; 14. a refrigerator; 15. a loop pipe I; 16. loop pipe II; 17. a rotary joint; 18. a baffle; 19. a first cavity; 20. a second cavity; 21. a water pump; 22. discharging a hopper; 23. and a heat conductive sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 9, a cooling mechanism of a potash fertilizer granulating device includes a frame 1, a granulating cylinder 2 is mounted on the frame 1, two extrusion rollers 3 which synchronously rotate in opposite directions are mounted in the granulating cylinder 2 through a transmission mechanism, a granulating groove is formed in the outer surface of each extrusion roller 3, the transmission mechanism includes a first gear 4 and a second gear 5, the first gear 4 and the second gear 5 are respectively mounted on the outer sides of the two extrusion rollers 3 in a concentric manner, the first gear 4 is consistent with the second gear 5 in model number, the first gear 4 is in meshed connection with the second gear 5, when the device is used, a motor is mounted on one side of the frame 1, a third gear which is meshed with one of the first gear 4 or the second gear 5 is mounted on the motor, any one of the third gear is meshed with the first gear 4 or the second gear 5, and the two extrusion rollers 3 are driven to rotate in opposite directions through the motor, chain transmission can be adopted as long as the motor can be guaranteed to drive one of the extrusion rollers 3, the device belongs to a directly used known device, and simultaneously, in order to facilitate the granulating hopper to be convenient to collect potash fertilizer, and the hopper is further connected with a discharging hopper 22 at the bottom of the granulating hopper is mounted at the bottom of the granulating cylinder 2;

in addition, the cooling device further comprises cooling pipes 6, annular pipes 7, first communicating pipes 8, a partition plate 13, second communicating pipes 9, serpentine coils 10 and a cooling loop component, wherein a cavity is formed in the middle of the extrusion roller 3, the cooling pipes 6 are concentrically arranged in the cavity, the number of the annular pipes 7 is multiple, the annular pipes 7 are uniformly distributed in the cavity, the outer walls of the annular pipes 7 are in contact with the inner wall of the cavity, each annular pipe 7 is communicated with the cooling pipe 6 through the first communicating pipes 8 which are equidistantly arranged, one partition plate 13 is arranged between each two annular rings, the partition plate 13 is installed inside the cooling pipe 6 in a sealing mode, the positions and the numbers of the second communicating pipes 9 are in one-to-one correspondence with the positions and the numbers of the partition plates 13, the second communicating pipes 9 are installed between the two annular pipes 7 which correspond to the first communicating pipes, the serpentine coils 10 are arranged on the inner wall of the cavity in a cylindrical mode, the input ends and the output ends of the serpentine coils 10 are communicated with the output ends of the cooling pipes 6, a partition plug 11 is arranged between the input ends and the output ends of the serpentine coils 10, the partition plug 11 is installed between the input ends and the output ends of the serpentine coils 10 and the cooling loop component are respectively communicated with the output ends of the cooling pipes 6;

specifically, through the cooperation of the cooling pipe 6, the annular pipe 7, the first communicating pipes 8, the plurality of partition plates 13, the second communicating pipes 9, the serpentine coil 10 and the partition plug 11, a communicating pipeline is formed, so that cooling water in the cooling loop component can sequentially pass through the cooling pipe 6, the first communicating pipe 8, the annular pipe 7, the second communicating pipe 9 and the serpentine coil 10, a cooling pipe network is formed through the design of the plurality of annular pipes 7 and the serpentine coil 10 and is attached to the circumferential inner wall of the squeeze roller 3, the cooling water passes through the cooling pipe network, the heat exchange area of the circumferential inner wall of the squeeze roller 3 can be increased, the side wall of the squeeze roller 3 is rapidly cooled, materials entering the space between the two squeeze rollers 3 can be rapidly cooled, the materials can drop downwards along with the rotation of the squeeze roller 3 after being subjected to extrusion molding, and the phenomenon that the high-temperature materials adhere to the squeeze roller 3 is reduced, the cooling circuit assembly can continuously provide cooling water to the inside of a formed pipeline, the cooling effect of the squeeze roller 3 is guaranteed, the potash fertilizer granulating effect is improved, wherein the cooling water entering the cooling pipe 6 is guaranteed to enter the annular pipe 7 through a plurality of first communicating pipes 8 corresponding to the cooling water through the partition plate 13, the next annular pipe 7 is filled through second communicating pipes 9, and meanwhile, the next annular pipe 7 is filled through a plurality of first communicating pipes 8 corresponding to the cooling water, so that each annular pipe 7 is guaranteed to be sequentially filled with the cooling water, the cooling water is guaranteed to enter through the input ends of the serpentine coils 10 sequentially through the function of the partition plugs 11, and is output to the output ends of the cooling pipe 6 from the output ends of the serpentine coils 10, and connectivity of the circuit is guaranteed.

Correspondingly, the cooling loop component comprises a water tank 12, a baffle 18, a refrigerator 14, a loop pipe I15, a water pump 21 and a loop pipe II 16, the water tank 12 is arranged at the bottom of the frame 1, the baffle 18 is arranged inside the water tank 12, the water tank 12 is divided into a cavity I19 and a cavity II 20 by the baffle 18, the refrigerator 14 is arranged on the upper side of the water tank 12, the input end and the output end of the refrigerator 14 are respectively communicated with the interiors of the cavity I19 and the cavity II 20, the loop pipe I15 is communicated with the input end of the cooling pipe 6, the water pump 21 is arranged on the loop pipe I15, the loop pipe II 16 is communicated with the cavity II 20 and the output end of the cooling pipe 6, a water source can be contained in the water tank 12, the water source can be subjected to heat exchange and cooling through the refrigerator 14, water with higher temperature flowing into the cavity I19 is conveyed into the cavity II 20 after being cooled through the refrigerator 14, the water is conveyed to the cavity II 20 through the loop pipe II 16 under the action of the water pump 21, and is conveyed to the annular pipe 7 and the coil pipe 10 through the loop pipe II 16, the water source is not required to be replaced by the heat exchanger, the water tank is directly arranged on the water tank, the cooling device is not provided with a heat exchange device, and the water tank is directly used for cooling device, and the water tank is not changed, and the water heater is directly used for cooling the water heater, and the water tank is not provided with a heat exchanger, and the water heater is directly cooled by the heat exchanger, and the utility model.

On the basis of the scheme, the tops of the first loop pipe 15 and the second loop pipe 16 are curved, the tops of the first loop pipe 15 and the second loop pipe 16 are higher than the height of the squeeze roller 3, water in the annular pipe 7 and the serpentine coil pipe 10 is guaranteed to be filled, the heat conducting fin heat exchanger further comprises a heat conducting fin 23, the heat conducting fin heat exchanger is connected between a plurality of communicating pipes located on the same side along the axis direction of the cavity, the heat conducting fin heat exchanger is used for transferring the temperature between the plurality of communicating pipes 8, the temperature uniformity of the squeeze roller 3 is guaranteed, and the rotary joint 17 is adopted between the first loop pipe 15 and the second loop pipe 16 and the cooling pipe 6 for facilitating relative rotation between the squeeze roller 3 and the first loop pipe 15 and the second loop pipe 16.

To sum up, this potash fertilizer prilling granulator's cooling mechanism, when using, at first will be wholly placed at the powdered potash fertilizer equipment output after the heating is moist, receive the powdered potash fertilizer after the heating is moist through the prilling cylinder 2, the powdered potash fertilizer after the heating is moist falls on two squeeze rolls 3, wherein start the motor in advance, drive two squeeze rolls 3 synchronous reverse rotation, simultaneously open refrigerator 14 and water pump 21 all the circular telegram, through the granulation groove that sets up on two squeeze rolls 3, carry out extrusion to the powdered potash fertilizer after the heating is moist, the potash fertilizer granule after the shaping, through cooling, drop to outside discharge in the discharge hopper 22 after squeeze roll 3 rotates and collect.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a potash fertilizer prilling granulator's cooling mechanism, includes frame (1), installs granulation section of thick bamboo (2) on frame (1), installs two synchronous counter-rotating squeeze rolls (3) through drive mechanism in granulation section of thick bamboo (2), all is provided with the granulation groove on the surface of every squeeze roll (3), its characterized in that still includes:

the cooling tube (6) is arranged in the middle of the extrusion roller (3), and the cooling tube (6) is concentrically arranged in the cavity;

the annular pipes (7) are arranged in a plurality, the annular pipes (7) are uniformly distributed in the cavity, and the outer wall of the annular pipe (7) is in contact with the inner wall of the cavity;

the first communicating pipes (8) are communicated between each annular pipe (7) and the cooling pipe (6) through a plurality of first communicating pipes (8) which are equidistantly arranged;

the partition plates (13) are arranged between every two annular rings, one partition plate (13) is arranged between every two annular rings, and the partition plates (13) are arranged inside the cooling pipes (6) in a sealing mode;

the positions and the number of the communicating pipes II (9) are in one-to-one correspondence with the positions and the number of the partition plates (13), and the communicating pipes II (9) are installed between the two annular pipes (7) corresponding to the communicating pipes II in a communicating way;

the serpentine coil (10) is arranged on the inner wall of the cavity in a cylindrical mode, the input end and the output end of the serpentine coil (10) are communicated with the output end of the cooling pipe (6), a separation plug (11) is arranged between the input end and the output end of the serpentine coil (10), and the separation plug (11) is installed in the cooling pipe (6) in a sealing mode;

and the input end and the output end of the cooling loop assembly are respectively communicated with the output end and the input end of the cooling pipe (6).

2. A cooling mechanism for a potash fertilizer granulation apparatus according to claim 1, wherein the cooling circuit assembly comprises:

a water tank (12), wherein the water tank (12) is arranged at the bottom of the frame (1);

the baffle plate (18), the said baffle plate (18) is installed in the said water tank (12), and the baffle plate (18) separates the water tank (12) into the first cavity (19) and cavity two (20);

the refrigerator (14) is arranged on the upper side of the water tank (12), and the input end and the output end of the refrigerator (14) are respectively communicated with the inside of the first cavity (19) and the inside of the second cavity (20);

the first loop pipe (15) is communicated with the first cavity (19) and the input end of the cooling pipe (6);

a water pump (21), wherein the water pump (21) is arranged on the first loop pipe (15);

and the second loop pipe (16) is communicated with the second cavity (20) and the output end of the cooling pipe (6).

3. The cooling mechanism of the potash fertilizer granulation device according to claim 2, wherein the tops of the first loop pipe (15) and the second loop pipe (16) are curved, and the tops of the first loop pipe (15) and the second loop pipe (16) are higher than the height of the extrusion roller (3).

4. A cooling mechanism for a potash fertilizer granulation apparatus according to claim 3, further comprising:

and the heat conducting sheets (23) are connected between the communicating pipes positioned on the same side along the axis direction of the cavity.

5. A cooling mechanism for a potash fertilizer granulation apparatus as defined in claim 4, wherein the transmission mechanism comprises:

a first gear (4) and a second gear (5);

the first gear (4) and the second gear (5) are concentrically arranged on the outer sides of the two extrusion rollers (3), the first gear (4) is identical to the second gear (5) in model, and the first gear (4) is in meshed connection with the second gear (5).

6. The cooling mechanism of the potash fertilizer granulation device according to claim 5, wherein the first loop pipe (15) and the second loop pipe (16) are rotatably communicated with the cooling pipe (6) through rotary joints (17).

7. The cooling mechanism of a potash fertilizer granulation apparatus according to claim 6, further comprising:

the discharging hopper (22) is arranged at the bottom of the granulating cylinder (2) in a communicating way.