Cooling device for compound fertilizer production

Abstract

The utility model discloses a cooling device for compound fertilizer production, which relates to the technical field of compound fertilizer production and comprises a cooling box, a feeding port is arranged at the top of the cooling box, a screening box is arranged above one side of the feeding port, a screening mechanism is arranged in the screening box and comprises a screening plate, and a rotating shaft is rotatably mounted on the screening plate; a cold air pipe is arranged at the upper end of the cooling box, one end of the cold air pipe communicates with the interior of the cooling box, and the other end of the cold air pipe communicates with a cold air source. And a plurality of air penetrating holes are formed in the back of the cooling box, and the inner walls of the air penetrating holes are fixedly connected with air cooling assemblies used for cooling the compound fertilizer particles. The cooling device provided by the utility model comprises the cooling box and the screening box positioned above the cooling box, so that the compound fertilizer particle materials can be firstly screened through the screening box, the screened compound fertilizer particle materials enter the cooling box to be cooled, and the screening and cooling of the compound fertilizer particle materials can be carried out in the same device.

Description

Technical Field

[0001] The utility model relates to the technical field of compound fertilizer production, in particular to a cooling device for compound fertilizer production. Background Technique

[0002] Compound fertilizer refers to chemical fertilizer containing two or more nutrient elements. Compound fertilizer has the advantages of high nutrient content, few side components and good physical properties. It plays a very important role in balanced fertilization, improving fertilizer utilization rate and promoting high and stable yield of crops. In compound fertilizer production, soil nutrient conditions are mostly measured by soil testing and formulated fertilization. Soil testing and formulated fertilization is based on soil testing and fertilizer field trials. According to the fertilizer requirement law of crops, soil fertilizer supply performance and fertilizer effect, on the basis of reasonable application of organic fertilizer, the application quantity, fertilization period and application method of fertilizers such as nitrogen, phosphorus, potassium and medium and trace elements are put forward.

[0003] Screening and cooling of compound fertilizer granular materials are necessary links in the production process of compound fertilizer. However, the existing methods usually operate screening and cooling separately. The cooling device can only cool the compound fertilizer, and the screening device can only screen the compound fertilizer. It is impossible to complete the two processes of screening and cooling at the same time. Moreover, the simultaneous use of the screening device and the cooling device has a large floor area, complex process settings, and high equipment costs. Content of the Utility Model

[0004] To solve the problems of the existing technology, the utility model provides a cooling device for compound fertilizer production, which includes a cooling box for cooling compound fertilizer particles. An inlet port is arranged at the top of the cooling box, and a screening box for screening compound fertilizer particles is arranged above one side of the inlet port; an outlet is arranged below one side of the screening box, and the end of the outlet is communicated with the inlet port;

[0005] A screening mechanism is arranged inside the screening box. The screening mechanism includes a sieve plate. A rotating shaft is rotatably installed on the sieve plate. A connecting spring is fixedly connected to the top of one side of the sieve plate. The top of the connecting spring is fixedly connected to a connecting block, and one end of the connecting block is fixedly connected to the inner wall of the screening box; the sieve plate realizes the screening of compound fertilizer particles through a jitter mechanism;

[0006] A cold air pipe is arranged at the upper end of the cooling box. One end of the cold air pipe is communicated with the inside of the cooling box, and the other end of the cold air pipe is communicated with the air outlet end of a cold air source;

[0007] A plurality of ventilation holes are formed in the back of the cooling box, and air-cooling components for cooling compound fertilizer particles are fixedly connected to the inner walls of the plurality of ventilation holes.

[0008] A further solution is that the jitter mechanism includes a driving motor and a sliding sleeve. The power output shaft of the driving motor is connected to a driving shaft through a coupling. A cam is fixedly connected to the end of the driving shaft. A sliding rod is slidably connected to the sliding sleeve. A stress block is fixedly connected to the bottom of the sliding rod. A sleeve spring is sleeved on the sliding rod. The top of the sliding rod is of an arc structure, and the top of the sliding rod is in contact with the bottom of the sieve plate.

[0009] A further solution is that discharge ports are formed on both sides of the screening box, and the sieve plate is rotatably installed on the inner walls of the two discharge ports through the rotating shaft.

[0010] A further solution is that a material guiding block is fixedly arranged at the inner bottom of the screening box. The material guiding block is provided with an inclined surface, and one end of the material guiding block extends to the discharge port.

[0011] A further solution is that the air cooling assembly includes a fixed frame. A fixed bracket is fixedly connected to the inner wall of the fixed frame. A rotating motor is fixedly connected to the inner cavity of the fixed bracket. A fan is fixedly connected to the output shaft of the rotating motor.

[0012] A further solution is that a first conveyor belt, a second conveyor belt and a third conveyor belt are fixedly installed in the cooling box in sequence from top to bottom. The input end of the first conveyor belt is located directly below the feed port. The output end of the first conveyor belt is located above the input end of the second conveyor belt. The output end of the second conveyor belt is located above the input end of the third conveyor belt. The output end of the third conveyor belt penetrates through one inner wall of the cooling box and extends to the outside of the cooling box.

[0013] A further solution is that several air cooling assemblies are evenly divided into three rows and are respectively distributed above the first conveyor belt, the second conveyor belt and the third conveyor belt.

[0014] The beneficial effects of the present utility model:

[0015] The cooling device provided by the present utility model includes a cooling box and a screening box located above the cooling box, so that the compound fertilizer granular material can be first screened by the screening box, and then the screened compound fertilizer granular material enters the cooling box for cooling, realizing that the screening and cooling of the compound fertilizer granular material can be carried out in the same device.

[0016] The present utility model drives the driving shaft and the cam to rotate through the driving motor, so that the cam squeezes the stress block with different radii, and then can squeeze the sieve plate through the sliding rod. And under the elastic force of the connecting spring, the sieve plate continuously jitters around the rotating shaft, so that the compound fertilizer granular material can be screened and the screening efficiency is high.

[0017] The utility model cools the compound fertilizer granule materials in the cooling box by sending the cold air generated by an external cold air source through a cold air pipe to the cooling box, and at the same time, the air-cooling component can blow air in the cooling box to accelerate the flow of the gas inside the cooling box and make the compound fertilizer granules cool more quickly. Brief Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of a cooling device for compound fertilizer production provided by an embodiment of the utility model;

[0019] Figure 2 It is a schematic structural diagram inside the screening box provided by an embodiment of the utility model;

[0020] Figure 3 It is a schematic structural diagram inside the cooling box provided by an embodiment of the utility model;

[0021] Figure 4 It is a schematic structural diagram of the air-cooling component provided by an embodiment of the utility model;

[0022] Reference Numerals in the Drawings: 1 - cooling box; 10 - feed port; 11 - ventilation hole; 12 - first conveyor belt; 13 - second conveyor belt; 14 - third conveyor belt; 2 - screening box; 20 - discharge port; 21 - sieve plate; 22 - rotating shaft; 23 - connecting spring; 24 - connecting block; 25 - waste discharge port; 26 - guiding block; 30 - driving motor; 31 - sliding sleeve; 32 - driving shaft; 33 - cam; 34 - sliding rod; 35 - stress block; 36 - sleeve spring; 40 - fixed frame; 41 - fixing bracket; 42 - rotating motor; 43 - fan; 5 - cold air pipe. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0024] As Figures 1-4 shown, an embodiment of the present utility model discloses a cooling device for compound fertilizer production, including a cooling box 1 for cooling compound fertilizer granules. A feed port 10 is provided at the top of the cooling box 1, and a screening box 2 for screening compound fertilizer granules is provided above one side of the feed port 10. The top of the screening box 2 is provided with a feed inlet, and a discharge port 20 is provided below one side of the screening box 2. The end of the discharge port 20 is communicated with the feed port 10;

[0025] Inside the screening box 2, a screening mechanism is provided. The screening mechanism includes a sieve plate 21. A rotating shaft 22 is rotatably installed on the sieve plate 21. At the top of one side of the sieve plate 21, a connecting spring 23 is fixedly connected. The top of the connecting spring 23 is fixedly connected with a connecting block 24. One end of the connecting block 24 is fixedly connected with the inner wall of the screening box 2. The sieve plate 21 realizes the screening of compound fertilizer particles through a jitter mechanism. The jitter mechanism includes a driving motor 30 and a sliding sleeve 31. The power output shaft of the driving motor 30 is connected to a driving shaft 32 through a coupling. A cam 33 is fixedly connected to the end of the driving shaft 32. A sliding rod 34 is slidably connected to the sliding sleeve 31. A stress block 35 is fixedly connected to the bottom of the sliding rod 34. A sleeve spring 36 is sleeved on the sliding rod 34. The top of the sliding rod 34 is of an arc structure, and the top of the sliding rod 34 is in contact with the bottom of the sieve plate 21. It can be realized that the top of the sliding rod abuts against the bottom of the sieve plate.

[0026] In this embodiment, through the above settings, when it is necessary to screen and cool compound fertilizer particles, the compound fertilizer particle material can be put into the screening box through the feed port of the screening box. The compound fertilizer particles fall onto the sieve plate. The power output shaft of the driving motor rotates to drive the driving shaft to rotate, and the driving shaft rotates to drive the cam to rotate. Therefore, the cam squeezes the stress block with different radii, and then the top of the sliding rod can squeeze the first sieve plate. And under the elastic force of the connecting spring, the sieve plate continuously jitters around the rotating shaft, so as to realize the screening of compound fertilizer particles through the sieve plate. The compound fertilizer particles that do not meet the particle size requirements or other impurity particles are left on the sieve plate, and the compound fertilizer particles that meet the requirements fall through the sieve holes of the sieve plate to the bottom of the screening box, realizing the screening of compound fertilizer particles.

[0027] In this embodiment, discharge ports 25 are provided on both sides of the screening box 2. The sieve plate 21 is rotatably installed on the inner walls of the two discharge ports 25 through a rotating shaft 22.

[0028] In this embodiment, through the above settings, by setting the discharge ports, the compound fertilizer particles that do not meet the requirements or other impurities can be discharged from the screening box through the discharge ports.

[0029] In this embodiment, a guide block 26 is fixedly arranged at the inner bottom of the screening box 2. The guide block 26 is provided with an inclined surface, and one end of the guide block 26 extends to the discharge port 20.

[0030] In this embodiment, through the above settings, the compound fertilizer particles after screening fall onto the guide block and slide along the inclined surface of the guide block to the discharge port of the screening box to complete discharging and enter the feed port of the cooling box and fall into the cooling box.

[0031] A cold air duct 5 is arranged at the upper end of the cooling box 1. One end of the cold air duct 5 is communicated with the inside of the cooling box 1, and the other end of the cold air duct 5 is communicated with the air outlet end of a cold air source;

[0032] In this embodiment, through the above settings, the cold air generated by an external cold air source can be conveyed into the cooling box through a cold air pipe, and then the compound fertilizer granular material in the cooling box can be cooled.

[0033] A plurality of ventilation holes 11 are formed in the back of the cooling box 1, and air-cooling components for cooling the compound fertilizer granules are fixedly connected to the inner walls of the plurality of ventilation holes 11. The air-cooling component includes a fixed frame 40, a fixed frame 41 is fixedly connected to the inner wall of the fixed frame 40, a rotating motor 42 is fixedly connected to the inner cavity of the fixed frame 41, and a fan 43 is fixedly connected to the output shaft of the rotating motor 42.

[0034] In this embodiment, through the above settings, it can be realized that the air-cooling component can blow air in the cooling box to accelerate the flow of the gas inside the cooling box and cool the compound fertilizer granules more quickly.

[0035] In this embodiment, a first conveyor belt 12, a second conveyor belt 13, and a third conveyor belt 14 are fixedly installed in the cooling box 1 from top to bottom in sequence. The input end of the first conveyor belt 12 is located directly below the feed port 10. The output end of the first conveyor belt 12 is located above the input end of the second conveyor belt 13. The output end of the second conveyor belt 13 is located above the input end of the third conveyor belt 14. The output end of the third conveyor belt 14 penetrates through one inner wall of the cooling box 1 and extends to the outside of the cooling box 1. The plurality of air-cooling components are evenly divided into three rows and are respectively distributed above the first conveyor belt 12, the second conveyor belt 13, and the third conveyor belt 14.

[0036] In this embodiment, through the above settings, it can be realized that the compound fertilizer granules enter the cooling box through the feed port of the cooling box and fall onto the input end of the first conveyor belt. The first conveyor belt is started, and the first conveyor belt conveys the compound fertilizer granular material from the input end of the first conveyor belt to its output end and outputs it from its output end, so that the compound fertilizer granular material falls onto the input end of the second conveyor belt. The second conveyor belt is started, and the second conveyor belt conveys the compound fertilizer granular material from the input end of the second conveyor belt to its output end and outputs it from its output end, so that the compound fertilizer granular material falls onto the input end of the third conveyor belt. The third conveyor belt is started, and the third conveyor belt conveys the compound fertilizer granular material from the input end of the third conveyor belt to its output end for output, that is, the cooled compound fertilizer granules are conveyed out of the cooling box. In this embodiment, by making the compound fertilizer granular material fully contact with the cold air during the movement inside the cooling box, the cooling efficiency is accelerated.

[0037] Finally, it should be noted that the above only describes the specific embodiments of the present utility model in detail. However, the present utility model is not limited to the above-described specific embodiments. Equivalent modifications and substitutions made by those skilled in the art to the present utility model are also within the scope of the present utility model. Therefore, all equivalent transformations and modifications made without departing from the spirit and scope of the present utility model are covered within the scope of the present utility model.

Claims

1. A cooling device for compound fertilizer production, comprising a cooling box (1) for cooling compound fertilizer particles, wherein a feed port (10) is provided at the top of the cooling box (1), characterized in that: A screening box (2) for screening compound fertilizer particles is arranged above one side of the feed port (10); a discharge port (20) is arranged below one side of the screening box (2), and a terminal end of the discharge port (20) is connected to the feed port (10); A screening mechanism is provided inside the screening box (2), the screening mechanism comprising a screen plate (21), a rotating shaft (22) being rotatably mounted on the screen plate (21), a connecting spring (23) being fixedly connected to the top of one side of the screen plate (21), a connecting block (24) being fixedly connected to the top of the connecting spring (23), one end of the connecting block (24) being fixedly connected to the inner wall of the screening box (2); the screen plate (21) screens the compound fertilizer particles through a shaking mechanism; A cold air duct (5) is provided at the upper end of the cooling box (1), one end of the cold air duct (5) is connected to the interior of the cooling box (1), and the other end of the cold air duct (5) is connected to the air outlet end of a cold air source; The back of the cooling box (1) is provided with a plurality of ventilation holes (11), and the inner walls of the plurality of ventilation holes (11) are fixedly connected with air cooling components for cooling the compound fertilizer particles.

2. A cooling device for compound fertilizer production according to claim 1, characterized in that: The shaking mechanism comprises a driving motor (30) and a sliding sleeve (31); the power output shaft of the driving motor (30) is connected to the driving shaft (32) through a coupling; the end of the driving shaft (32) is fixedly connected to a cam (33); the sliding sleeve (31) is slidably connected to a sliding rod (34); the bottom of the sliding rod (34) is fixedly connected to a force block (35); and a sleeve spring (36) is sleeved on the sliding rod (34); the top of the sliding rod (34) is an arc-shaped structure, and the top of the sliding rod (34) is in contact with the bottom of the screen plate (21).

3. A cooling device for compound fertilizer production according to claim 1, characterized in that: Both sides of the screening box (2) are provided with impurity discharge openings (25), and the screen plate (21) is rotatably mounted on the inner walls of the two impurity discharge openings (25) via the rotating shaft (22).

4. A cooling device for compound fertilizer production according to claim 1, characterized in that: A material guide block (26) is fixedly arranged on the inner bottom of the screening box (2), the material guide block (26) is provided with an inclined surface, and one end of the material guide block (26) extends to the material outlet (20).

5. The cooling device for compound fertilizer production according to claim 1, characterized in that: The air cooling component comprises a fixed frame (40), the inner wall of the fixed frame (40) is fixedly connected to a fixed frame (41), the inner cavity of the fixed frame (41) is fixedly connected to a rotating motor (42), and the output shaft of the rotating motor (42) is fixedly connected to a fan (43).

6. A cooling device for compound fertilizer production according to claim 1, characterized in that: A first conveyor belt (12), a second conveyor belt (13) and a third conveyor belt (14) are fixedly installed in sequence from top to bottom inside the cooling box (1); the input end of the first conveyor belt (12) is located directly below the feed port (10); the output end of the first conveyor belt (12) is located above the input end of the second conveyor belt (13); the output end of the second conveyor belt (13) is located above the input end of the third conveyor belt (14); and the output end of the third conveyor belt (14) passes through an inner wall of one side of the cooling box (1) and extends to the outside of the cooling box (1).

7. A cooling device for compound fertilizer production according to claim 6, characterized in that: A plurality of air cooling components are evenly divided into three rows and respectively distributed above the first conveyor belt (12), the second conveyor belt (13), and the third conveyor belt (14).

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