High-tower granular water-soluble fertilizer continuous production line and production process thereof

Abstract

The invention relates to a high-tower granular water-soluble fertilizer continuous production line and a production process thereof.The high-tower granular water-soluble fertilizer continuous production line comprises a heating tank, a temporary storage box, an elevator and a granulation high tower which are sequentially connected, and an electric rotary spraying head rotationally connected with the output end of the elevator through a bearing is arranged in the granulation high tower; the high granulation tower comprises an outer shell and an inner shell, a material receiving assembly is arranged in the inner shell, and a recycling assembly is arranged at the position, located at a discharging port of the material receiving assembly, in the high granulation tower. Fertilizer particles are received through the cloth bag assembly, the power assembly drives the cloth bag assembly and the fertilizer particles in the cloth bag assembly to rotate together, and the vertical falling speed and impact force of the fertilizer particles can be slowed down and reduced under the rotation action of the fertilizer particles in the horizontal direction. More fertilizer powder generated by vertical impact can be reduced, and completeness of fertilizer particles can be well kept.

Description

Technical Field

[0001] The invention belongs to the technical field of high-tower fertilizer production, and in particular relates to a high-tower granular water-soluble fertilizer continuous production line and a production process thereof. Background Art

[0002] In the prior art, the production line of high-tower granular water-soluble fertilizer is generally a high-tower granulating device for fertilizer preparation as disclosed in Patent No. CN113117598B, and specifically discloses that the high-tower granulating device includes a material guide box, a buffer box, an elevator, and a granulating tower connected in sequence, and a granulating mechanism is provided in the granulating tower. The principle of producing high-tower granular water-soluble fertilizer is to first fully mix the raw materials for preparing the fertilizer in the material guide box, melt them, and then transport them to the buffer box for storage, and then transport the raw materials for preparing the fertilizer in a molten state to the granulating mechanism by the elevator, and spray and granulate them in the granulating tower through the granulating mechanism.

[0003] However, there are still problems in the process of using it. Specifically, the granular fertilizer after granulation falls vertically to the bottom surface of the granulation tower. The bottom surface of the tower is mostly a fixed plane or a fixed slope. The granular fertilizer falls vertically and directly hits the fixed bottom surface of the tower, which can easily cause the granular fertilizer to break and break under the impact, thereby producing more powdered fertilizer, and the integrity of the granular fertilizer is poor. Summary of the invention

[0004] The purpose of the present invention is to provide a high-tower granular water-soluble fertilizer continuous production line and its production process in order to solve the above problems.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] A high-tower granular water-soluble fertilizer continuous production line, comprising a heating tank, a buffer box, an elevator, and a granulation high tower connected in sequence, wherein an electric rotary spray head is provided inside the granulation high tower and is rotatably connected to an output end of the elevator through a bearing, the granulation high tower comprises an outer shell and an inner shell, a material receiving component is provided inside the inner shell, and a recovery component is provided inside the granulation high tower at a material outlet of the material receiving component;

[0007] The material receiving assembly includes a bag assembly rotatably connected to the inner wall of the inner shell, a pushing assembly for pushing the bag assembly to assist in unloading, and a power assembly for driving the rotation of the bag assembly and the operation of the pushing assembly;

[0008] The cloth bag assembly includes two connecting tubes symmetrically arranged up and down, and a bag body arranged between the two connecting tubes. A plurality of supporting ribs fixedly connected to the bag body are arranged between the two connecting tubes. One side of the bag body is a concave side, and the other side of the bag body is connected to the inner shell through a sliding assembly.

[0009] As a further optimization scheme of the present invention, the upper sections of the outer shell and the inner shell are narrow sections, and the lower sections are wide sections. The connecting pipe located above is rotatably connected to the inner wall of the narrow section of the inner shell through a bearing, and the bag body is located inside the wide section of the inner shell.

[0010] As a further optimization solution of the present invention, the sliding assembly includes a sliding block arranged on the supporting ribs on the other side of the bag body, and a sliding seat arranged on the inner wall of the inner shell for the sliding block to slide.

[0011] As a further optimization scheme of the present invention, the pushing assembly includes a fixed plate arranged between the two connecting tubes and located on the concave side of the bag body, a movable plate arranged between the fixed plate and the sliding seat, a plurality of first springs arranged between the fixed plate and the movable plate, a first push plate arranged on the movable plate and slidably connected to the fixed plate and used to contact the concave side of the bag body, a movable plate arranged on the inner wall of the sliding seat for pushing, and a protrusion for moving the first push plate; it also includes a second push plate slidably connected to the sliding seat and used to contact the other side of the bag body, an auxiliary roller rotatably connected to the inside of the sliding seat, an eccentric wheel arranged on the auxiliary roller for pushing the second push plate to move, and a plurality of second springs arranged between the second push plate and the sliding seat.

[0012] As a further optimization solution of the present invention, the power assembly includes a servo motor, a synchronizer provided on the output shaft of the servo motor and a connecting pipe located below, and the output shaft of the servo motor is rotatably connected to the slide seat through a bearing;

[0013] The utility model also comprises two bevel gears which are respectively sleeved on the output shaft of the servo motor and the auxiliary roller and meshed with each other.

[0014] As a further optimization scheme of the present invention, the recovery component includes a funnel fixedly arranged inside the inner shell, a conveying pipe arranged at the bottom of the funnel, a connecting pipe located below is rotatably connected to the funnel through a bearing, the conveying pipe has at least one curved section, a filter is arranged on the lower end surface of the curved section of the conveying pipe, and a conveying frame for receiving the fertilizer powder filtered out by the filter is arranged on the curved section of the conveying pipe, and the conveying frame extends to the inside of the collection chamber formed between the outer shell and the inner shell;

[0015] A filter plate is detachably connected to the inside of the collecting chamber, an exhaust pipe is provided above the filter plate inside the collecting chamber, a fan is provided on the exhaust pipe, an upper air inlet and a lower air inlet are opened in the collecting chamber, and the filter plate is located between the upper air inlet and the lower air inlet.

[0016] A process for producing high-tower granular water-soluble fertilizer using a high-tower granular water-soluble fertilizer continuous production line comprises the following steps:

[0017] Step 1: The raw materials for preparing the high tower granular water-soluble fertilizer are heated and melted by a heating tank to obtain a molten liquid, and the molten liquid is transported to a buffer box for storage. The molten liquid stored in the buffer box is transported to an electric rotary spray head by a hoist, and the electric rotary spray head is used to spray and granulate the molten liquid inside the inner shell to obtain fertilizer granules;

[0018] Step 2: The fertilizer particles prepared in step 1 are received by the bag assembly. At the same time, the power assembly drives the bag assembly and the fertilizer particles in the bag assembly to rotate together to slow down the vertical downward falling speed of the fertilizer particles. The power assembly can also drive the pushing assembly to push the two sides of the bag body respectively to assist the material inside the bag body to fall and be transported to the inside of the recovery assembly. The fertilizer powder mixed in the fertilizer particles is recovered by the recovery assembly and then output to obtain the high tower granular water-soluble fertilizer.

[0019] The beneficial effects of the present invention are:

[0020] 1) The present invention receives fertilizer particles through a bag assembly, and at the same time, the power assembly drives the bag assembly and the fertilizer particles in the bag assembly to rotate together, so that the vertical falling speed and impact force of the fertilizer particles are slowed down and reduced under the action of the horizontal rotation. Compared with the traditional fixed tower bottom surface receiving fertilizer particles, more fertilizer powder generated by vertical impact can be reduced, and the integrity of the fertilizer particles can be better maintained;

[0021] 2) The present invention can drive the auxiliary roller and the eccentric wheel to rotate while driving the cloth bag assembly to rotate through the power assembly to push the second push plate to move, and the second push plate is moved to push the side of the bag body away from the concave side of the bag body, and when the cloth bag assembly rotates, when the movable plate rotates to contact the protrusion, the movable plate and the first push plate can be pushed by the protrusion to move, and the concave side of the bag body can be pushed by the movement of the first push plate. Under the pushing action, the fertilizer particles inside the bag body are not easy to be blocked or accumulated, which can play a better role in assisting the material inside the bag body to continue to fall and transport;

[0022] 3) In the present invention, the fertilizer powder mixed in the fertilizer particles will pass through the filter screen and fall into the conveying frame when passing through the filter screen, and the fan will extract the gas inside the collection chamber through the exhaust pipe. With the flow of air, the fertilizer powder in the conveying frame will enter the collection chamber and be filtered through the filter plate, so that the fertilizer powder can be recovered well. And under the extraction action, the gas flow speed in the collection chamber is accelerated, thereby improving the ventilation and heat dissipation effect of the granulation tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 It is a schematic diagram of the internal structure of the granulation tower of the present invention.

[0025] Figure 3 It is a structural schematic diagram of the material receiving assembly of the present invention.

[0026] Figure 4 It is a schematic diagram of the structure of the recycling component of the present invention.

[0027] Figure 5 It is a three-dimensional view of the cushioning cloth bag of the present invention.

[0028] In the figure: 1. heating tank; 2. buffer box; 3. elevator; 4. granulation tower; 41. outer shell; 42. inner shell; 5. electric rotary spray head; 6. upper air inlet; 7. funnel; 81. connecting pipe; 82. bag body; 83. supporting ribs; 84. slider; 9. slide seat; 10. protrusion; 11. fixed plate; 12. first spring; 13. movable plate; 14. first push plate; 15. servo motor; 16. synchronous part; 17. auxiliary roller; 18. bevel gear; 19. eccentric wheel; 20. second push plate; 21. conveying pipeline; 22. filter screen; 23. conveying frame; 24. lower air inlet; 25. filter plate; 26. exhaust pipeline; 27. fan. DETAILED DESCRIPTION

[0029] The present application is described in further detail below in conjunction with the accompanying drawings.

[0030] like Figure 1-5 As shown, a high-tower granular water-soluble fertilizer continuous production line comprises a heating tank 1, a buffer box 2, an elevator 3, and a granulation high tower 4 which are connected in sequence. An electric rotary spray head 5 which is rotatably connected to the output end of the elevator 3 via a bearing is arranged inside the granulation high tower 4. The granulation high tower 4 comprises an outer shell 41 and an inner shell 42. A material receiving component is arranged inside the inner shell 42. A recovery component is arranged at the material outlet of the material receiving component inside the granulation high tower 4.

[0031] The material receiving assembly includes a bag assembly rotatably connected to the inner wall of the inner shell 42, a pushing assembly for pushing the bag assembly to assist in unloading, and a power assembly for driving the rotation of the bag assembly and the operation of the pushing assembly;

[0032] The cloth bag assembly includes two connecting tubes 81 symmetrically arranged up and down, and a bag body 82 arranged between the two connecting tubes 81. A plurality of supporting ribs 83 fixedly connected to the bag body 82 are arranged between the two connecting tubes 81. One side of the bag body 82 is a concave side, and the other side of the bag body 82 is connected to the inner shell 42 through a sliding assembly.

[0033] Furthermore, the upper sections of the outer shell 41 and the inner shell 42 are both narrow sections, and the lower sections are both wide sections. The connecting pipe 81 located at the top is rotatably connected to the inner wall of the narrow section of the inner shell 42 through a bearing, and the bag body 82 is located inside the wide section of the inner shell 42.

[0034] Preferably, the sliding assembly includes a sliding block 84 disposed on the supporting rib 83 on the other side of the bag body 82 and a sliding seat 9 disposed on the inner wall of the inner shell 42 for the sliding block 84 to slide.

[0035] Further, the pushing assembly includes a fixed plate 11 disposed between the two connecting tubes 81 and located on one side of the concave side of the bag body 82, a movable plate 13 disposed between the fixed plate 11 and the slide seat 9, a plurality of first springs 12 disposed between the fixed plate 11 and the movable plate 13, a first push plate 14 disposed on the movable plate 13 and slidably connected to the fixed plate 11 and used to contact the concave side of the bag body 82, and a protrusion 10 disposed on the inner wall of the slide seat 9 for pushing the movable plate 13 and the first push plate 14 to move;

[0036] It also includes a second push plate 20 slidably connected to the slide 9 and used to contact the other side of the bag body 82, an auxiliary roller 17 rotatably connected to the inside of the slide 9, an eccentric wheel 19 arranged on the auxiliary roller 17 for pushing the second push plate 20 to move, and a plurality of second springs arranged between the second push plate 20 and the slide 9.

[0037] Preferably, the power assembly includes a servo motor 15, a synchronizer 16 provided on the output shaft of the servo motor 15 and the connecting pipe 81 located below, and the output shaft of the servo motor 15 is rotatably connected to the slide seat 9 through a bearing;

[0038] The device further comprises two bevel gears 18 which are respectively sleeved on the output shaft of the servo motor 15 and the auxiliary roller 17 and mesh with each other.

[0039] The recovery assembly includes a funnel 7 fixedly arranged inside the inner shell 42, a conveying pipe 21 arranged at the bottom of the funnel 7, a connecting pipe 81 located below is rotatably connected to the funnel 7 through a bearing, the conveying pipe 21 has at least one curved section, a filter screen 22 is arranged on the lower end surface of the curved section of the conveying pipe 21, and a conveying frame 23 for receiving the fertilizer powder filtered out by the filter screen 22 is arranged on the curved section of the conveying pipe 21, and the conveying frame 23 extends to the inside of the collecting chamber formed between the outer shell 41 and the inner shell 42;

[0040] A filter plate 25 is detachably connected to the inside of the collecting chamber, an exhaust pipe 26 is provided above the filter plate 25, a fan 27 is provided on the exhaust pipe 26, an upper air inlet 6 and a lower air inlet 24 are provided in the collecting chamber, and the filter plate 25 is located between the upper air inlet 6 and the lower air inlet 24.

[0041] When the fan 27 works to extract the gas in the collecting chamber through the exhaust pipe 26, the gas in the collecting chamber is supplemented through the lower air inlet 24 and the upper air inlet 6, and under the extraction action, the gas flow speed in the collecting chamber is accelerated, thereby improving the ventilation and heat dissipation effect of the granulation tower 4.

[0042] It should be noted that, in this embodiment, the bottom end of the conveying pipeline 21 extends out of the bottom of the granulation tower 4 .

[0043] A process for producing high-tower granular water-soluble fertilizer using a high-tower granular water-soluble fertilizer continuous production line comprises the following steps:

[0044] Step 1: The raw materials for preparing the high tower granular water-soluble fertilizer are heated and melted by the heating tank 1 to obtain a molten liquid, and the molten liquid is transported to the buffer box 2 for storage. The molten liquid stored in the buffer box 2 is transported to the electric rotary spray head 5 by the elevator 3, and the electric rotary spray head 5 sprays and granulates the molten liquid inside the inner shell 42 to obtain fertilizer granules;

[0045] Step 2: The fertilizer particles prepared in step 1 are received through the upper connecting tube 81, and the fertilizer particles gradually fall into the bag body 82 along with the upper connecting tube 81. At the same time, the servo motor 15 works, and the output shaft of the servo motor 15 rotates to drive the lower connecting tube 81 to rotate through the synchronous member 16, thereby driving the two connecting tubes 81 and the bag body 82 to rotate together. The fertilizer particles falling into the bag body 82 will rotate together with the bag body 82. The fertilizer particles falling vertically are rotated. The vertical downward falling speed of the fertilizer particles can be slowed down. When the output shaft of the servo motor 15 rotates, the fixed plate 11, the first spring 12, the movable plate 13, and the first push plate 14 also rotate together with the connecting tube 81. When the movable plate 13 is pressed by the protrusion 10, the length of the first spring 12 is shortened, so that the movable plate 13 and the first push plate 14 move toward the concave side of the bag body 82. The concave side of the bag body 82 is pushed by the first push plate 14. Under its pushing action, the fertilizer particles inside the bag body 82 are not easily blocked or accumulated. When the output shaft of the servo motor 15 rotates, the auxiliary roller 17 can be driven to rotate through the two mutually meshing bevel gears 18, and the rotation of the auxiliary roller 17 drives the eccentric wheel 19 to rotate. The rotation of the eccentric wheel 19 can push the second push plate 20 to move toward the bag body 82, thereby pushing the other side of the bag body 82. Under its pushing action, the fertilizer particles inside the bag body 82 are not easy to be blocked or accumulated, thereby assisting the material inside the bag body 82 to fall and be transported to the inside of the funnel 7, and the fertilizer particles inside the funnel 7 are transported to the inside of the conveying pipe 21. The fertilizer powder mixed in the fertilizer particles will continue to be transported inside the conveying frame 21, and the fertilizer powder will pass through the filter screen 22 and fall into the conveying frame 23 when passing through the filter screen 22. At the same time, the fan 27 is turned on, and the fan 27 works to extract the gas inside the collection chamber through the exhaust pipe 26. With the flow of the airflow, the fertilizer powder in the conveying frame 23 will enter the collection chamber and be filtered through the filter plate 25. After the fertilizer particles are screened to remove the fertilizer powder mixed therein, they are output through the conveying pipe 21, and the high-tower granular water-soluble fertilizer is obtained.

[0046] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A high-tower granular water-soluble fertilizer continuous production line, comprising a heating tank (1), a buffer box (2), an elevator (3), and a granulation high tower (4) connected in sequence, wherein an electric rotating spray head (5) is provided inside the granulation high tower (4) and is rotatably connected to the output end of the elevator (3) through a bearing, and is characterized in that: The granulation tower (4) comprises an outer shell (41) and an inner shell (42); a material receiving assembly is provided inside the inner shell (42); and a recovery assembly is provided inside the granulation tower (4) at the material outlet of the material receiving assembly; The material receiving assembly comprises a bag assembly rotatably connected to the inner wall of the inner shell (42), a pushing assembly for pushing the bag assembly to assist in unloading, and a power assembly for driving the bag assembly to rotate and the pushing assembly to operate; The cloth bag assembly comprises two connecting pipes (81) symmetrically arranged in an upper and lower direction, and a bag body (82) arranged between the two connecting pipes (81); a plurality of supporting ribs (83) fixedly connected to the bag body (82) are arranged between the two connecting pipes (81); one side of the bag body (82) is an inner concave side, and the other side of the bag body (82) is connected to the inner shell (42) via a sliding assembly.

2. The high tower granular water-soluble fertilizer continuous production line according to claim 1 is characterized in that: The upper sections of the outer shell (41) and the inner shell (42) are both narrow sections, and the lower sections are both wide sections. The connecting pipe (81) located at the top is rotatably connected to the inner wall of the narrow section of the inner shell (42) via a bearing, and the bag body (82) is located inside the wide section of the inner shell (42).

3. The high tower granular water-soluble fertilizer continuous production line according to claim 1 is characterized in that: The sliding assembly comprises a sliding block (84) arranged on a supporting rib (83) on the other side of the bag body (82), and a sliding seat (9) arranged on the inner wall of the inner shell (42) for the sliding block (84) to slide.

4. The high tower granular water-soluble fertilizer continuous production line according to claim 3 is characterized by: The pushing assembly comprises a fixed plate (11) disposed between the two connecting tubes (81) and located on the inner concave side of the bag body (82), a movable plate (13) disposed between the fixed plate (11) and the slide seat (9), a plurality of first springs (12) disposed between the fixed plate (11) and the movable plate (13), a first push plate (14) disposed on the movable plate (13) and slidably connected to the fixed plate (11) and used to contact the inner concave side of the bag body (82), a movable plate (13) disposed on the inner wall of the slide seat (9) and used to push, and a protrusion (10) for moving the first push plate (14); It also includes a second push plate (20) slidably connected to the slide seat (9) and used to contact the other side of the bag body (82), an auxiliary roller (17) rotatably connected to the inside of the slide seat (9), an eccentric wheel (19) provided on the auxiliary roller (17) for pushing the second push plate (20) to move, and a plurality of second springs provided between the second push plate (20) and the slide seat (9).

5. The high tower granular water-soluble fertilizer continuous production line according to claim 4 is characterized in that: The power assembly comprises a servo motor (15), a synchronizing member (16) arranged on an output shaft of the servo motor (15) and a connecting pipe (81) located below; the output shaft of the servo motor (15) is rotatably connected to the slide seat (9) via a bearing; It also includes two bevel gears (18) which are respectively sleeved on the output shaft of the servo motor (15) and the auxiliary roller (17) and meshed with each other.

6. The high tower granular water-soluble fertilizer continuous production line according to claim 1 is characterized by: The recovery component comprises a funnel (7) fixedly arranged inside the inner shell (42), a conveying pipe (21) arranged at the bottom of the funnel (7), a connecting pipe (81) located below and rotatably connected to the funnel (7) via a bearing, the conveying pipe (21) having at least one curved section, a filter screen (22) being arranged on the lower end surface of the curved section of the conveying pipe (21), a conveying frame (23) for receiving fertilizer powder filtered out by the filter screen (22) being arranged on the curved section of the conveying pipe (21), and the conveying frame (23) extending to the inside of a collecting chamber formed between the outer shell (41) and the inner shell (42); A filter plate (25) is detachably connected to the interior of the collecting chamber, an exhaust pipe (26) is provided above the filter plate (25) in the collecting chamber, a fan (27) is provided on the exhaust pipe (26), an upper air inlet (6) and a lower air inlet (24) are provided in the collecting chamber, and the filter plate (25) is located between the upper air inlet (6) and the lower air inlet (24).

7. A process for producing high tower granular water-soluble fertilizer using the high tower granular water-soluble fertilizer continuous production line as claimed in any one of claims 1 to 6, characterized in that The following steps: Step 1: The raw materials for preparing the high-tower granular water-soluble fertilizer are heated and melted by a heating tank (1) to obtain a molten liquid, and the molten liquid is transported to a buffer box (2) for storage. The molten liquid stored in the buffer box (2) is transported to an electric rotary spray head (5) by a hoist (3) and sprayed and granulated inside an inner shell (42) by the electric rotary spray head (5) to obtain fertilizer granules. Step 2: The fertilizer particles prepared in step 1 are received by the bag assembly. At the same time, the power assembly drives the bag assembly and the fertilizer particles in the bag assembly to rotate together to slow down the vertical downward falling speed of the fertilizer particles. The power assembly can also drive the pushing assembly to push the two sides of the bag body (82) respectively to assist the material inside the bag body (82) to fall and be transported to the inside of the recovery assembly. The fertilizer powder mixed in the fertilizer particles is recovered by the recovery assembly and then output to obtain the high tower granular water-soluble fertilizer.

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