CN215277194U

CN215277194U - Fertilizer granulation device by conveying hot steam

Info

Publication number: CN215277194U
Application number: CN202121322815.3U
Authority: CN
Inventors: 单祖波; 杨绍维
Original assignee: CHUXIONG RENHENG CHEMICAL FERT
Current assignee: CHUXIONG RENHENG CHEMICAL FERT
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-24
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a fertilizer granulating device by conveying hot steam, which comprises a bottom plate, a granulating barrel and a motor; a steam pipe is spirally wound on the outer wall of the granulating barrel, and the inner wall of the steam pipe is communicated with an atomizing nozzle; the steam pipe is communicated with the steam generator; an end cover is detachably arranged at the right end of the granulating barrel, and an extrusion hole is formed in the end cover; a rotating shaft is rotatably arranged in the inner cavity of the granulating barrel; the right end of the rotating shaft is fixedly connected with a blade; the output end of the motor is fixedly connected with a driving wheel which is connected with a driven wheel through a belt; the driven wheel is fixedly connected with the left end of the rotating shaft, and the rotating shaft is provided with a spiral stirring blade; the top of the left end of the granulating barrel is communicated with a feeding funnel; the right end of the end cover is provided with a material receiving box. This application can effectively increase the contact time and the area of contact of steam and fertilizer, and it is effectual to pelletize, and it is efficient to pelletize, and the incomplete dust that deposits after the pelletization obviously reduces, and the practicality is high.

Description

Fertilizer granulation device by conveying hot steam

Technical Field

The utility model relates to a fertilizer processing equipment technical field especially relates to a fertilizer pelletization device through carrying hot steam.

Background

In the production process of the fertilizer, in order to improve the dispersion property and the adhesion property of the fertilizer and meet the requirements of metering and the like, the fertilizer needs to be granulated. The existing fertilizer granulating device generally introduces steam into a feed inlet to improve the temperature and humidity of the fertilizer, so that the fertilizer is granulated in the stirring process. However, the contact time of the fertilizer and the steam is short, so that the granulation efficiency and the granulation effect of the fertilizer are affected, a large amount of fertilizer powder still remains after the granulation process is completed, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a fertilizer pelletization device through carrying hot steam effectively solves the contact time of current fertilizer pelletization device fertilizer and steam short, influences the pelletization efficiency and the pelletization effect of fertilizer, leads to still remaining a large amount of fertilizer powder after the pelletization process is accomplished, the relatively poor technical problem of practicality.

The utility model provides a technical scheme as follows:

a fertilizer granulating device for conveying hot steam comprises a bottom plate, wherein a granulating barrel and a motor are fixedly connected to the upper end surface of the bottom plate; a plurality of circles of steam pipes are spirally wound on the outer wall of the granulating barrel, and the inner walls of the steam pipes are communicated with an atomizing nozzle; the atomizing nozzle penetrates through the granulating barrel; the steam pipe is communicated with the steam generator; an end cover is detachably arranged at the right end of the granulating barrel, and an extrusion hole is formed in the end cover; a rotating shaft is rotatably arranged in the inner cavity of the granulating barrel; the right end of the rotating shaft penetrates through the end cover and is fixedly connected with a plurality of blades, and the left end of the rotating shaft penetrates through the side wall of the granulating barrel; the output end of the motor is fixedly connected with a driving wheel which is connected with a driven wheel through a belt; the driven wheel is fixedly connected with the left end of the rotating shaft, and the rotating shaft is provided with a spiral stirring blade; the top of the left end of the granulating barrel is communicated with a feeding funnel; the right end of the end cover is provided with a material receiving box.

Further, the rotating shaft is in a thin-walled cylinder shape with an opening at the left end, and a plurality of steam holes are formed in the side wall of the rotating shaft; and the steam generator is communicated with the inner cavity of the rotating shaft through a steam conveying pipe.

Furthermore, a heating box is installed on a steam conveying pipe of the steam generator.

Furthermore, a temperature sensor and a humidity sensor are mounted on the outer wall of the rotating shaft.

Furthermore, the upper wall of the right end of the granulating barrel is communicated with the steam conveying pipe through a steam return pipe, and a check valve is installed on the steam return pipe.

Furthermore, the supporting leg is installed to the bottom of bottom plate, and the universal wheel is installed to the bottom of supporting leg.

Further, a material baffle plate is fixedly connected in the inner cavity of the material receiving box, is obliquely arranged and is provided with a dust passing hole; a cavity formed by enclosing the material baffle plate and the material receiving box is communicated with the dust collector through a dust collecting pipe; the dust collecting pipe is provided with a suction fan.

Further, the outlet of the material receiving box is communicated with the inlet of the fertilizer screening box.

Further, the fertilizer screening box comprises a box body, and an upper screen and a lower screen are arranged in the box body from top to bottom; the aperture of the upper screen is larger than that of the lower screen; the bottom ends of the two ends of the upper screen and the lower screen are fixedly connected with springs, and the bottom ends of the springs are fixedly connected to spring supporting plates arranged on the inner wall of the box body; the upper screen and the lower screen are both obliquely arranged towards one side, and the corresponding positions from top to bottom on the side wall of the box body at the lower side of the upper screen and the lower screen are respectively communicated with a large granular fertilizer grain discharge pipe and a small granular fertilizer grain discharge pipe; the bottom of the box body is communicated with a fertilizer residue outlet.

Furthermore, two fans are also installed on the outer side wall of the box body, and air outlet pipes of the fans penetrate through the box body; two fans are respectively positioned right above the large-particle fertilizer particle discharging pipe and the small-particle fertilizer particle discharging pipe.

The utility model discloses possess following beneficial effect:

steam enters into a pelletization section of thick bamboo through the atomizer on the steam pipe in this application, and steam pipe spiral winding can effectively increase the contact time and the area of contact of steam and fertilizer outside the pelletization section of thick bamboo, and it is effectual to pelletize, and pelletization efficiency is high, and the incomplete dust that deposits after the pelletization obviously reduces, and the practicality is high.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a right side view of the end cap and blade of FIG. 1;

FIG. 3 is a cross-sectional view of the granulation cylinder and steam tube of FIG. 1;

fig. 4 is a schematic structural diagram of a fertilizer screening box.

In the figure: 1. a base plate; 2. a granulation cylinder; 3. a rotating shaft; 4. a motor; 5. a driving wheel; 6. a belt; 7. a driven wheel; 8. a spiral stirring blade; 9. a feed hopper; 10. an end cap; 11. extruding the hole; 12. a blade; 13. a material receiving box; 14. a fertilizer screening box; 1401. a box body; 1402. feeding a screen mesh; 1403. a lower screen mesh; 1404. a fertilizer residue outlet; 1405. a large-particle fertilizer particle discharging pipe; 1406. a small-particle fertilizer particle discharge pipe; 1407. an air outlet pipe; 1408. a spring support plate; 1409. a spring; 1410. a fan; 15. a striker plate; 16. dust passing holes; 17. a dust collecting pipe; 18. a suction fan; 19. a dust collector; 20. a steam vent; 21. a steam generator; 22. a steam pipe; 23. an atomizing spray head; 24. a heating box; 25. returning the steam to the pipe; 26. a one-way valve; 27. a temperature sensor; 28. a humidity sensor; 29. and (5) supporting legs.

Detailed Description

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

Examples

As shown in fig. 1-4, a fertilizer granulating device by conveying hot steam comprises a bottom plate 1, wherein a granulating barrel 2 and a motor 4 are fixedly connected to the upper end surface of the bottom plate 1; a plurality of circles of steam pipes 22 are spirally wound on the outer wall of the granulating barrel 2, and the inner walls of the steam pipes 22 are communicated with an atomizing nozzle 23; the atomizing nozzle 23 penetrates through the granulating barrel 2; the steam pipe 22 communicates with the steam generator 21; an end cover 10 is detachably arranged at the right end of the granulating barrel 2, and an extrusion hole 11 is formed in the end cover 10; a rotating shaft 3 is rotatably arranged in the inner cavity of the granulating barrel 2; the right end of the rotating shaft 3 penetrates through the end cover 10 and is fixedly connected with a plurality of blades 12, and the left end penetrates through the side wall of the granulating barrel 2; the output end of the motor 4 is fixedly connected with a driving wheel 5, and the driving wheel 5 is connected with a driven wheel 7 through a belt 6; the driven wheel 7 is fixedly connected with the left end of the rotating shaft 3, and the rotating shaft 3 is provided with a spiral stirring blade 8; the top of the left end of the granulating barrel 2 is communicated with a feeding funnel 9; the right end of the end cover 10 is provided with a material receiving box 13.

Above-mentioned fertilizer pelletization device, in steam entered into a pelletization section of thick bamboo 2 through atomizer 23 on the steam pipe 22, steam pipe 22 spiral winding can effectively increase the contact time and the area of contact of steam and fertilizer outside a pelletization section of thick bamboo 2, pelletize effectually, pelletize efficiently, the incomplete deposit dust of pelletization back obviously reduces, and the practicality is high.

Specifically, in order to further increase the contact area between the steam and the fertilizer and improve the granulation effect, the rotating shaft 3 is in a thin-walled cylinder shape with an opening at the left end, and the side wall of the rotating shaft is provided with a plurality of steam holes 20; the steam generator 21 is communicated with the inner cavity of the rotating shaft 3 through a steam conveying pipe.

Specifically, the steam delivery pipe of the steam generator 21 is provided with a heating box 24.

Specifically, in order to facilitate control of the temperature and humidity of the steam, a temperature sensor 27 and a humidity sensor 28 are installed on the outer wall of the rotating shaft 3.

Specifically, in order to recycle the steam in the granulation cylinder 2, the upper wall of the right end of the granulation cylinder 2 is communicated with the steam delivery pipe through a steam return pipe 25, and a check valve 26 is installed on the steam return pipe 25.

Specifically, for convenient movement, the bottom end of the bottom plate 1 is provided with a supporting leg 29, and the bottom end of the supporting leg 29 is provided with a universal wheel.

Specifically, a material baffle plate 15 is fixedly connected in the inner cavity of the material receiving box 13, the material baffle plate 15 is obliquely arranged, and a dust passing hole 16 is formed in the material baffle plate 15; a cavity formed by enclosing the material baffle plate 15 and the material receiving box 13 is communicated with a dust collector 19 through a dust collecting pipe 17; the dust collecting pipe 17 is provided with a suction fan 18. A small amount of dust inevitably exists after granulation, the dust is sucked into the dust collector 19 through the dust passing hole 16 under the action of the suction fan 18, and the baffle plate 15 plays a role of intercepting fertilizer granules.

Specifically, the outlet of the material receiving box 13 is communicated with the inlet of the fertilizer screening box 14.

Specifically, the fertilizer screening box 14 comprises a box body 1401, wherein an upper screen 1402 and a lower screen 1403 are arranged in the box body 1401 from top to bottom; the pore size of the upper screen 1402 is larger than the pore size of the lower screen 1403; the bottom ends of the two ends of the upper screen 1402 and the lower screen 1403 are fixedly connected with springs 1409, and the bottom ends of the springs 1409 are fixedly connected with spring support plates 1408 arranged on the inner wall of the box 1401; the upper screen 1402 and the lower screen 1403 are both obliquely arranged towards one side, and a large-particle fertilizer particle discharge pipe 1405 and a small-particle fertilizer particle discharge pipe 1406 are respectively communicated with the corresponding positions of the side wall of the box body 1401 at the lower side of the upper screen 1402 and the lower screen 1403 from top to bottom; the bottom of the box 1401 is communicated with a fertilizer residue outlet 1404. After the granulation is completed, the fertilizer granules enter the fertilizer screening box 14, and under the action of the self gravity of the fertilizer granules and the action of the spring 1409, the upper screen 1402 and the lower screen 1403 vibrate up and down. The fertilizer granules meeting the requirement of the particle size are intercepted on the upper screen 1402 and then discharged through the large-particle fertilizer granule discharging pipe 1405, the fertilizer granules not meeting the requirement of the particle size are intercepted on the lower screen 1403 through the upper screen 1402 and then discharged through the small-particle fertilizer granule discharging pipe 1406, and the unformed fertilizer slag continuously falls into the bottom of the box body 1401 through the lower screen 1403 and finally is discharged through the fertilizer slag outlet 1404.

Specifically, two fans 1410 are further mounted on the outer side wall of the box 1401, and air outlet pipes 1407 of the fans 1410 penetrate through the box 1401; two fans 1410 are located directly above the large particle fertilizer particle outlet pipe 1405 and the small particle fertilizer particle outlet pipe 1406, respectively. The wind that fan 1410 blew out can dry the fertilizer grain, sets up fan 1410 simultaneously at last screen cloth 1402 and the lower one side of screen cloth 1403 relatively can also prevent that the fertilizer grain from not screening direct landing to large granule fertilizer grain discharging pipe 1405 and granule fertilizer grain discharging pipe 1406, plays the effect of supplementary screening.

The utility model discloses the theory of operation:

in operation, the motor 4, steam generator 21, suction fan 18 and fan 1410 are turned on. Fertilizer powder is put into the feed hopper 9, a part of hot steam generated by the steam generator 21 enters the steam pipeline 22 through the steam conveying pipe and enters the granulation barrel 2 through the atomizing nozzle 23, and the other part of hot steam enters the inner cavity of the rotating shaft 3 through the steam conveying pipe and then enters the granulation barrel 2 through the steam holes 20; the motor 4 drives the driving wheel 5 to rotate, the driving wheel 5 drives the driven wheel 7 to rotate through the belt 6, the driven wheel 7 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the spiral stirring blades 8 and the blades 12 to rotate, the fertilizer is stirred, extruded through the extrusion holes 11 in the end covers 10 and cut into particles by the blades 12 and then enters the material receiving box 13. The dust mixed in the fertilizer particles is sucked into the dust collector 19 through the dust passing hole 16 under the action of the suction fan 18, and the baffle plate 15 plays a role of intercepting the fertilizer particles. Fertilizer grain enters into fertilizer screening case 14 in, the wind that the fan 1410 blew out can dry the fertilizer grain, sets up fan 1410 at last screen cloth 1402 and the lower one side of screen cloth 1403 relatively can also prevent that the fertilizer grain from not screening direct landing to large granule fertilizer grain discharging pipe 1405 and granule fertilizer grain discharging pipe 1406, plays the effect of supplementary screening. The upper screen 1402 and the lower screen 1403 vibrate up and down under the action of the gravity of the fertilizer granules and the spring 1409. The fertilizer granules meeting the requirement of the particle size are intercepted on the upper screen 1402 and then discharged through the large-particle fertilizer granule discharging pipe 1405, the fertilizer granules not meeting the requirement of the particle size are intercepted on the lower screen 1403 through the upper screen 1402 and then discharged through the small-particle fertilizer granule discharging pipe 1406, and the unformed fertilizer slag continuously falls into the bottom of the box body 1401 through the lower screen 1403 and finally is discharged through the fertilizer slag outlet 1404. When the temperature sensor 27 and the humidity sensor 28 detect that the temperature and the humidity in the granulation cylinder 2 do not meet the requirements, the steam generator 21 can be regulated to regulate the humidity of the steam, and the heating box 24 can be regulated to heat the steam to regulate the temperature of the steam.

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

Claims

1. A fertilizer pelletization device through carrying hot steam which characterized in that: comprises a bottom plate (1), wherein the upper end surface of the bottom plate (1) is fixedly connected with a granulating barrel (2) and a motor (4); a plurality of circles of steam pipes (22) are spirally wound on the outer wall of the granulating barrel (2), and the inner walls of the steam pipes (22) are communicated with an atomizing nozzle (23); the atomizing nozzle (23) penetrates through the granulating barrel (2); the steam pipe (22) is communicated with the steam generator (21); an end cover (10) is detachably arranged at the right end of the granulating barrel (2), and an extrusion hole (11) is formed in the end cover (10); a rotating shaft (3) is rotatably arranged in the inner cavity of the granulating barrel (2); the right end of the rotating shaft (3) penetrates through the end cover (10) and is fixedly connected with a plurality of blades (12), and the left end of the rotating shaft penetrates through the side wall of the granulating barrel (2); the output end of the motor (4) is fixedly connected with a driving wheel (5), and the driving wheel (5) is connected with a driven wheel (7) through a belt (6); the driven wheel (7) is fixedly connected with the left end of the rotating shaft (3), and the rotating shaft (3) is provided with a spiral stirring blade (8); the top of the left end of the granulating barrel (2) is communicated with a feeding funnel (9); the right end of the end cover (10) is provided with a material receiving box (13).

2. A fertilizer granulating apparatus using hot steam as claimed in claim 1, wherein: the rotating shaft (3) is in a thin-walled cylindrical shape with an opening at the left end, and a plurality of steam holes (20) are formed in the side wall of the rotating shaft; the steam generator (21) is communicated with the inner cavity of the rotating shaft (3) through a steam conveying pipe.

3. A fertilizer granulating apparatus using hot steam as claimed in claim 2, wherein: and a heating box (24) is arranged on a steam conveying pipe of the steam generator (21).

4. A fertilizer granulating apparatus using hot steam as claimed in claim 3, wherein: and a temperature sensor (27) and a humidity sensor (28) are arranged on the outer wall of the rotating shaft (3).

5. A fertilizer granulating apparatus using hot steam as claimed in claim 4, wherein: the upper wall of the right end of the granulating barrel (2) is communicated with a steam conveying pipe through a steam return pipe (25), and the steam return pipe (25) is provided with a one-way valve (26).

6. A fertilizer granulating apparatus using hot steam as claimed in claim 1, wherein: supporting legs (29) are installed to the bottom of bottom plate (1), and the universal wheel is installed to the bottom of supporting legs (29).

7. A fertilizer granulating apparatus as set forth in any one of claims 1 to 6 by supplying hot steam thereto, wherein: a material baffle plate (15) is fixedly connected in the inner cavity of the material receiving box (13), the material baffle plate (15) is obliquely arranged, and a dust passing hole (16) is formed in the material baffle plate; a cavity enclosed by the striker plate (15) and the material receiving box (13) is communicated with a dust collector (19) through a dust collecting pipe (17); the dust collecting pipe (17) is provided with a suction fan (18).

8. A fertilizer granulating apparatus using hot steam as claimed in claim 7, wherein: the outlet of the material receiving box (13) is communicated with the inlet of the fertilizer screening box (14).

9. A fertilizer granulating apparatus using hot steam as claimed in claim 8, wherein: the fertilizer screening box (14) comprises a box body (1401), wherein an upper screen (1402) and a lower screen (1403) are arranged in the box body (1401) from top to bottom; the pore diameter of the upper screen (1402) is larger than that of the lower screen (1403); the bottom ends of the two ends of the upper screen (1402) and the lower screen (1403) are fixedly connected with springs (1409), and the bottom ends of the springs (1409) are fixedly connected to spring supporting plates (1408) arranged on the inner wall of the box body (1401); the upper screen (1402) and the lower screen (1403) are both obliquely arranged towards one side, and a large-particle fertilizer particle discharge pipe (1405) and a small-particle fertilizer particle discharge pipe (1406) are respectively communicated with the corresponding positions from top to bottom on the side wall of the box body (1401) at the lower side of the upper screen (1402) and the lower screen (1403); the bottom of the box body (1401) is communicated with a fertilizer residue outlet (1404).

10. A fertilizer granulating apparatus using hot steam as claimed in claim 9, wherein: the outer side wall of the box body (1401) is also provided with two fans (1410), and air outlet pipes (1407) of the fans (1410) penetrate through the box body (1401); two fans (1410) are respectively located right above the large granular fertilizer grain discharging pipe (1405) and the small granular fertilizer grain discharging pipe (1406).