CN213300619U - Compound fertilizer granule cooling device - Google Patents

Abstract

The utility model provides a compound fertilizer granule cooling device, including cooling barrel, air conditioning circulating device, be provided with four spiral cooling pipes in the cooling barrel, set up a material loading groove on the last roof of cooling barrel, the upper portion of four spiral cooling pipes all is located the material loading groove, set up a silo below the cooling barrel, the material that the lower part of four spiral cooling pipes flowed out all can flow into in the silo, set up a discharging pipe in the lower part of silo, set up a guide chute above the material loading groove; the cold air circulating device comprises an air refrigerator and a blower, wherein the blower can send cold air produced by the air refrigerator into the cooling barrel. When utilizing the device to carry out fertilizer granule cooling, isolation through spiral cooling tube has realized granule and cold air to can prevent that powder and tiny granule in the granule from being taken to the environment by the cold air that flows, do benefit to the improvement and cool the environment quality then.

Description

Compound fertilizer granule cooling device

Technical Field

The utility model relates to a compound fertilizer granule cooling device.

Background

At present, fertilizer particles in the fertilizer manufacturing industry need to be cooled after being dried by the conventional high-temperature drying device so as to be convenient for subsequent packaging and transportation of the fertilizer particles. The existing fertilizer granule cooling mode still takes a barrel cooler as a main part, when the fertilizer granules are cooled by the barrel cooler, cooling air is continuously introduced into the cooling barrel, and meanwhile, the granules continuously roll and collide in the cooling barrel. During the tumbling collision process, some fine particles and powder are generated, and the fine particles and powder are blown by the flowing cold air and brought into the environment, so that the quality of the cooling environment is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound fertilizer granule cooling device when utilizing the device to carry out the fertilizer granule cooling, through the isolation of spiral cooling tube, has realized the isolation of granule with the cold air to can prevent that powder and tiny granule in the granule from being taken to the environment by the cold air that flows, do benefit to the improvement cooling environment quality then.

The utility model provides a technical scheme that its technical problem adopted is: a compound fertilizer particle cooling device comprises a cooling barrel and an air cooling circulating device, wherein four spiral cooling pipes are arranged in the cooling barrel, the upper parts of the four spiral cooling pipes penetrate through an upper top plate of the cooling barrel and then are communicated with the outside, the lower parts of the four spiral cooling pipes penetrate through a lower bottom plate of the cooling barrel and then are communicated with the outside, an upper material groove is arranged on the upper top plate of the cooling barrel, the upper parts of the four spiral cooling pipes are all positioned in the upper material groove, a lower material groove is arranged below the cooling barrel, materials flowing out of the lower parts of the four spiral cooling pipes can flow into the lower material groove, a material discharging pipe is arranged at the lower part of the lower material groove, a material guiding chute is arranged above the upper material groove, and the materials flowing out of the material guiding chute can flow into the lower material groove; the air cooling circulating device comprises an air refrigerating machine and an air blower, wherein an air inlet cover is arranged at an air inlet of the air refrigerating machine, the air inlet cover is communicated with the upper side inside the cooling barrel through a first pipeline, an air outlet of the air refrigerating machine is provided with an air outlet cover, the air outlet cover is communicated with the lower side inside the cooling barrel through a second pipeline, the air blower is connected in series on the second pipeline, and the air blower blows air into the cooling barrel.

Preferably, the upper planes of the upper inlets of the four spiral cooling pipes are flush with the upper plane of the inner part of the charging chute.

Furthermore, three inverted V-shaped material guide plates are arranged at the discharge end of the material guide chute, and each inverted V-shaped material guide plate is opposite to the gap between the upper parts of the two adjacent spiral cooling pipes.

Furthermore, a filter screen is arranged on the lower side wall of the discharge pipe and used for filtering fine particles and powder doped in the material particles, and a collection box is arranged below the filter screen.

Furthermore, the outer sides of the first pipeline, the second pipeline, the air inlet cover and the air outlet cover are all provided with a layer of heat insulation layer.

Furthermore, the four spiral cooling pipes are respectively a first spiral cooling pipe, a second spiral cooling pipe, a third spiral cooling pipe and a fourth spiral cooling pipe, the inner diameters of the first spiral cooling pipe, the second spiral cooling pipe, the third spiral cooling pipe and the fourth spiral cooling pipe are respectively phi 1, phi 2, phi 3 and phi 4, phi 1 is larger than or equal to 100mm and smaller than or equal to 95mm, phi 2 is larger than or equal to 90mm and smaller than or equal to 85mm, phi 3 is larger than or equal to 80mm and smaller than or equal to 75mm, and phi 4 is larger than or equal to 70mm and smaller than or equal to 65 mm.

The utility model has the advantages that: the utility model has simple structure and convenient use; when the utility model is used for cooling fertilizer particles, the fertilizer particles flow in the spiral cooling pipe, cold air generated by the air refrigerating unit exchanges heat with the side wall of the spiral cooling pipe, and the spiral cooling pipe cools the fertilizer particles flowing in the spiral cooling pipe, so that the isolated cooling of the fertilizer particles is realized, fine particles and powder generated in the fertilizer particles can be prevented from being blown away by the cold air in the cooling process, and the quality of the cooling environment is improved; the spiral cooling pipes are spirally distributed in the cooling barrel, so that the cooling path of the fertilizer particles is prolonged, and the cooling effect of the particles is ensured; the cold air flowing out of the cooling barrel directly enters an air inlet of the air refrigerating unit through the flow guiding effect of the first pipeline and is then heated again, and the temperature of the air flowing out of the cooling barrel is relatively low, so that the cooling power of the air refrigerating unit is favorably reduced, and the cooling energy consumption of the air refrigerating unit is favorably reduced; the filter screen that the discharging pipe lower part set up can filter the tiny granule and the powder of doping in the fertilizer granule to do benefit to the production quality who improves fertilizer granule.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a top view of the distribution of the charging chute on the cooling barrel;

FIG. 4 is an enlarged view taken at A in FIG. 1;

in the figure: the device comprises a cooling barrel 1, an upper top plate 11, a lower bottom plate 12, a spiral cooling pipe 2, a first spiral cooling pipe 21, a second spiral cooling pipe 22, a third spiral cooling pipe 23, a fourth spiral cooling pipe 24, a feeding trough 3, a discharging trough 4, a discharging pipe 41, a filter screen 411, a material guiding chute 5, a material guiding plate 51 in an inverted V shape, an air refrigerating machine 61, an air inlet cover 611, an air outlet cover 612, an air blower 62, a first pipeline 63, a second pipeline 64 and a collecting box 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following specific embodiments and accompanying drawings 1-4, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar variations without departing from the spirit of the invention, and therefore the invention is not limited by the specific embodiments disclosed below.

The utility model provides a compound fertilizer granule cooling device (as shown in figure 1), which comprises a cooling barrel 1 and an air-conditioning circulating device, wherein four spiral cooling pipes 2 are arranged in the cooling barrel 1, the spiral cooling pipes 2 are spirally distributed in the cooling barrel 1, and granular materials can freely roll and slide down in the spiral cooling pipes 2 under the action of gravity, the upper parts of the four spiral cooling pipes 2 penetrate through an upper top plate 11 of the cooling barrel 1 and are communicated with the outside, the lower parts of the four spiral cooling pipes 2 penetrate through a lower bottom plate 12 of the cooling barrel 1 and are communicated with the outside, an upper trough 3 is arranged on the upper top plate 11 of the cooling barrel 1, the upper parts of the four spiral cooling pipes 2 are all positioned in the upper trough 3, so that fertilizer granules in the upper trough 3 can smoothly enter the corresponding spiral cooling pipes 2, the upper planes of the upper inlets of the four spiral cooling pipes 2 are flush with the upper plane of the inner part of the feeding trough 3.

A blanking groove 4 is arranged below the cooling barrel 1, materials flowing out of the lower parts of the four spiral cooling pipes 2 can flow into the blanking groove 4, a discharge pipe 41 is arranged at the lower part of the blanking groove 4, fertilizer particles in the blanking groove 4 can flow out through the discharge pipe 41, when the fertilizer particles flow from the discharge pipe 41, in order to filter fine particles and powder doped in the fertilizer particles and improve the production quality of the fertilizer particles, a filter screen 411 is arranged on the lower side wall of the discharge pipe 41, the filter screen 411 is used for filtering fine particles and powder doped in the material particles, and a collection box 7 is arranged below the filter screen 411; the material guide chute 5 is arranged above the feeding chute 3, the materials flowing out of the material guide chute 5 can enter the discharging chute 3, most of the materials flowing out of the material guide chute 5 can directly enter the four corresponding spiral cooling pipes 2 conveniently, three inverted V-shaped material guide plates 51 are arranged at the discharging end of the material guide chute 5, each inverted V-shaped material guide plate 51 is opposite to a gap between the upper portions of the two adjacent spiral cooling pipes 2, the distance between each inverted V-shaped material guide plate 51 and the side wall of the material guide chute 5 and the distance between each two adjacent inverted V-shaped material guide plates 51 correspond to the inner diameter of the corresponding spiral cooling pipe 2, and therefore the materials can directly flow into the spiral cooling pipes 2 conveniently.

The cold air circulating device comprises an air refrigerator 61 and a blower 62, the air refrigerator 61 is a common refrigeration device in the field, the refrigeration operation principle and the detailed structure of the air refrigerator are not described in detail, an air inlet cover 611 is arranged at an air inlet of the air refrigerator 61, the air inlet cover 611 is communicated with the upper side inside the cooling barrel 1 through a first pipeline 63, an air outlet cover 612 is arranged at an air outlet of the air refrigerator 61, the air outlet cover 612 is communicated with the lower side inside the cooling barrel 1 through a second pipeline 64, the blower 62 is connected in series with the second pipeline 64, the blower 62 blows air into the cooling barrel 1, in the process of cooling fertilizer particles, cold air blown out of the air refrigerator 61 rapidly enters the cooling barrel 1 through the action of the blower 62, and after the cold air exchanges heat with the spiral cooling pipe 2 in the cooling barrel 1, the cold air directly flows out of the first pipeline 63, and the cold air in the first pipeline 63 has relatively low temperature, so that the first pipeline 63 directly sends the cold air after heat exchange into the air refrigerator 61 through the air inlet cover 611 to be refrigerated again, thereby being beneficial to saving the refrigeration energy consumption of the air refrigerator 61.

In order to improve the cooling effect of the cooling barrel 1 and reduce the heat exchange between the cold air in the first pipeline 63, the second pipeline 64, the air inlet cover 611 and the air outlet cover 612 and the outside, a layer of insulating layer is arranged on the outer sides of the first pipeline 63, the second pipeline 64, the air inlet cover and the air outlet cover.

In practical application, the spiral paths of the four spiral cooling pipes 2 in the cooling barrel 1 are different, if the inner diameters of the four spiral cooling pipes 2 are the same, the cooling effect of the four spiral cooling pipes 2 is different, and in order to ensure that the cooling effect of each spiral cooling pipe 2 is substantially the same, the specific implementation manner of the four spiral cooling pipes 2 is as follows: the four spiral cooling pipes 2 are respectively a first spiral cooling pipe 21, a second spiral cooling pipe 22, a third spiral cooling pipe 23 and a fourth spiral cooling pipe 24, the spiral cooling pipes 21, the second spiral cooling pipe 22, the third spiral cooling pipe 23 and the fourth spiral cooling pipe 24 are sequentially close to the axis of the cooling barrel 1 in the cooling barrel 1, the inner diameters of the first spiral cooling pipe 21, the second spiral cooling pipe 22, the third spiral cooling pipe 23 and the fourth spiral cooling pipe 24 are respectively phi 1, phi 2, phi 3 and phi 4, the phi 1 is more than or equal to 100mm and less than or equal to 95mm, the phi 2 is more than or equal to 90mm and less than or equal to 85mm, the phi 3 is more than or equal to 80mm and less than or equal to 75mm, the phi 4 is more than or equal to 70mm and less than or equal to 65mm, preferably, the value of the phi 1 is 100mm, the value of the phi 2 is 90mm, the value of the phi 3 is 80mm, and the value of.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

The above description is provided for the preferred embodiments and examples of the present invention with reference to the accompanying drawings, but the present invention is not limited to the above embodiments and examples, and it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit of the present invention, and these modifications and variations should be construed as the protection scope of the present invention.

Claims (6)

1. A compound fertilizer particle cooling device is characterized by comprising a cooling barrel and a cold air circulating device, wherein four spiral cooling pipes are arranged in the cooling barrel, the upper parts of the four spiral cooling pipes penetrate through an upper top plate of the cooling barrel and then are communicated with the outside, the lower parts of the four spiral cooling pipes penetrate through a lower bottom plate of the cooling barrel and then are communicated with the outside, an upper material groove is formed in the upper top plate of the cooling barrel, the upper parts of the four spiral cooling pipes are all positioned in the upper material groove, a lower material groove is formed below the cooling barrel, materials flowing out of the lower parts of the four spiral cooling pipes can flow into the lower material groove, a material discharging pipe is arranged below the lower material groove, a material guiding chute is arranged above the upper material groove, and the materials flowing out of the material guiding chute can flow into the lower material groove; the air cooling circulating device comprises an air refrigerating machine and an air blower, wherein an air inlet cover is arranged at an air inlet of the air refrigerating machine, the air inlet cover is communicated with the upper side inside the cooling barrel through a first pipeline, an air outlet of the air refrigerating machine is provided with an air outlet cover, the air outlet cover is communicated with the lower side inside the cooling barrel through a second pipeline, the air blower is connected in series on the second pipeline, and the air blower blows air into the cooling barrel.

2. The compound fertilizer granule cooling device of claim 1, wherein the upper plane of the upper inlets of the four spiral cooling pipes is flush with the upper plane of the interior of the loading chute.

3. The compound fertilizer granule cooling device as claimed in claim 2, wherein three inverted V-shaped guide plates are arranged at the discharge end of the guide chute, and each inverted V-shaped guide plate is opposite to the gap between the upper parts of two adjacent spiral cooling pipes.

4. A compound fertilizer granule cooling device as defined in claim 3, wherein a filter screen is provided on a lower side wall of the discharge pipe, the filter screen being adapted to filter fine particles and powder doped in the material granules, and a collection box being provided below the filter screen.

5. The compound fertilizer granule cooling device of claim 4, wherein a layer of insulating layer is arranged on the outer sides of the first pipeline, the second pipeline, the air inlet hood and the air outlet hood.

6. The compound fertilizer granule cooling device of claim 5, wherein the four spiral cooling pipes are respectively a first spiral cooling pipe, a second spiral cooling pipe, a third spiral cooling pipe and a fourth spiral cooling pipe, the inner diameters of the first spiral cooling pipe, the second spiral cooling pipe, the third spiral cooling pipe and the fourth spiral cooling pipe are respectively phi 1, phi 2, phi 3 and phi 4, phi 1 is more than or equal to 100mm and less than or equal to 95mm, phi 2 is more than or equal to 90mm and less than or equal to 85mm, phi 3 is more than or equal to 80mm and less than or equal to 75mm, and phi 4 is more than or equal to 70mm and less than or equal to 65 mm.

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