CN214486781U - Large-air-volume countercurrent cooling device for prilling tower - Google Patents
Large-air-volume countercurrent cooling device for prilling tower Download PDFInfo
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- CN214486781U CN214486781U CN202120460700.4U CN202120460700U CN214486781U CN 214486781 U CN214486781 U CN 214486781U CN 202120460700 U CN202120460700 U CN 202120460700U CN 214486781 U CN214486781 U CN 214486781U
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Abstract
The utility model belongs to the cleaning production technology, in particular to a large-air-volume countercurrent cooling device for a prilling tower; the granulation tower comprises a granulation tower body, wherein the top of the granulation tower body is provided with a liquid storage tank and a granulation spray nozzle, the bottom of the granulation tower body is provided with a cavity body of a discharge port, the bottom of one side of the granulation tower body is provided with a first filter screen plate, a first air inlet pipe is arranged at the position of the first filter screen plate, a first fan is arranged on the first air inlet pipe, the top of the other side of the granulation tower body is provided with a second filter screen plate, an air outlet pipe is arranged at the position of the second filter screen plate, and a second fan is arranged on the air outlet pipe; the cooling effect can be increased.
Description
Technical Field
The utility model belongs to the clean production technology, concretely relates to granulation tower is with big amount of wind cooling device against current.
Background
Fertilizer granulation is a process of changing molten liquid after heating and melting solid urea or ammonium nitrate into solid particles, and currently, fertilizer granulation equipment on the market is various, such as high tower granulation, drum granulation or reaction kettle granulation. The granulation tower is the main equipment for producing granular compound fertilizer by high tower granulation, and the main function of the granulation tower is that the compound fertilizer is crystallized, cooled and heat exchanged in the tower.
The process of high tower granulation comprises the following steps: firstly, pumping the molten liquid into a granulator of a high tower through a water pump, atomizing the molten liquid through a granulating nozzle, then freely falling in the high tower, and cooling the molten liquid by natural wind to granulate; and (4) delivering the granulated compound fertilizer from a discharge hole, and carrying out cooling and impurity removal and the like of a subsequent process. The existing high tower granulator has the following defects: in the process of cooling and granulating the atomized melt, the existing granulation tower has poor cooling effect, and a cooling system is required to independently cool the melt subsequently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a granulation tower is with big amount of wind cooling device against current, can increase the cooling effect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
big air volume is cooling device against current for prilling tower, including the prilling tower body, the prilling tower body is provided with liquid reserve tank and granulation shower nozzle for the top, and the bottom is equipped with the cavity body of discharge gate, and prilling tower body one side bottom sets up first filter screen board, and first filter screen board department is provided with first intake pipe, is provided with first fan in the first intake pipe, and prilling tower body opposite side top is provided with the second filter screen board, and second filter screen board department is provided with the outlet duct, is provided with the second fan on the outlet duct.
Further, the tail end of the air outlet pipe is connected with a UV photolysis deodorization device.
Further, the bottom of the granulation tower body is provided with a conveying device, the feeding end of the conveying device is vertically arranged at the bottom of a discharge port of the granulation tower body, and the upper cover of the conveying device is provided with a drying box and a cooling box.
Furthermore, a second air inlet pipe is arranged at the top of the cooling box, a third fan is arranged on the second air inlet pipe, an air outlet pipe connected with the second air inlet pipe is arranged on the inner top surface of the cooling box, and an air outlet hole facing the conveying device is formed in the air outlet pipe.
Further, conveyor discharge end bottom is provided with screening plant, and screening plant includes the support and the screening net group of parallel arrangement on the support.
Further, screening net group includes first screening net, second screening net and third screening net to first screening net, second screening net and third screening net all incline to set up, and the slope bottom is provided with connects the silo.
Further, sieve pores are formed in the first screening net and the second screening net, and the diameter of each sieve pore of the first screening net is larger than that of each sieve pore of the second screening net.
Compared with the prior art, the utility model discloses one of following beneficial effect has at least:
1. the utility model discloses be provided with intake pipe and outlet duct respectively in prilling tower body both sides, at the granulation in-process, blow in gas through the intake pipe, outlet duct exhaust gas can increase granulation in-process gas flow rate, increase cooling effect.
2. Be provided with UV photodissociation deodorizing device at the outlet duct end, can discharge the combustion gas after deodorizing, reduce the pollution to the environment.
3. Be provided with stoving case and cooler bin, can dry the granule that gets off from prilling tower body discharge gate, then the cooling reduces its moisture content.
4. An air outlet pipe is arranged in the cooling box, and air circulation is used for cooling, so that the cooling effect is improved.
5. Be provided with screening plant, can sieve the granule after the stoving cooling, obtain the granule of different particle sizes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-the prilling tower body; 2-a liquid storage tank; 3-a granulation spray head; 4-a first screen plate; 5-a first air inlet pipe; 6-a first fan, 7-a second filter screen plate, 8-an air outlet pipe, 9-a second fan, 10-a UV photolysis deodorization device, 11-a transportation device, 12-a drying box, 13-a cooling box, 14-a second air inlet pipe, 15-a third fan, 16-an air outlet pipe, 17-a support, 18-a first screening net, 19-a second screening net, 20-a third screening net and 21-a material receiving groove.
Detailed Description
As shown in fig. 1, in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Granulation tower is with big amount of wind cooling device against current, including granulation tower body 1, granulation tower body 1 is provided with liquid reserve tank 2 and granulation shower nozzle 3 for the top, the bottom is equipped with the cavity body of discharge gate, 1 one side bottom of granulation tower body sets up first filter screen board 4, 4 departments of first filter screen board are provided with first intake pipe 5, be provided with first fan 6 in the first intake pipe 5, 1 opposite side top of granulation tower body is provided with second filter screen board 7, 7 departments of second filter screen board are provided with outlet duct 8, be provided with second fan 9 on the outlet duct 8, in the granulation process, blow in gas through intake pipe 5, 8 exhaust gases of outlet duct, can increase granulation in-process gas flow rate, increase cooling effect.
Example 2
On the basis of embodiment 1, the end of the outlet pipe 8 is connected with a UV photolysis deodorization device 10, which can deodorize and discharge the discharged gas, thereby reducing the pollution to the environment.
Example 3
On the basis of embodiment 1, the bottom of the granulation tower body 1 is provided with the transportation device 11, the feeding end of the transportation device 11 is vertically arranged at the bottom of the discharge port of the granulation tower body 1, and the transportation device 11 is covered with the drying box 12 and the cooling box 13, so that the particles discharged from the discharge port of the granulation tower body 1 can be dried and then cooled, and the moisture content of the particles is reduced.
Example 4
On the basis of embodiment 3, cooling box 13 top is provided with second intake pipe 14, is provided with third fan 15 on the second intake pipe 14 to the top surface is provided with the tuber pipe 16 of being connected with second intake pipe 14 in cooling box 13, offers the venthole towards conveyer 11 on the tuber pipe 16, uses air cycle to cool down, increases the cooling effect.
Example 5
On the basis of embodiment 1, 11 discharge end bottoms of conveyer are provided with screening plant, screening plant includes support 17 and the parallel screening net group that sets up on support 17, screening net group includes first screening net 18, second screening net 19 and third screening net 20, and first screening net 18, second screening net 19 and third screening net 20 all incline to set up, the slope bottom is provided with connects silo 21, the sieve mesh has been seted up on first screening net 18, the second screening net 19, and the sieve mesh diameter of first screening net 18 is greater than the sieve mesh diameter of second screening net 19, the granule after will drying the cooling is sieved, obtain the granule of different particle size.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (7)
1. Granulation tower is with big amount of wind cooling device against current, including granulation tower body (1), granulation tower body (1) is provided with liquid reserve tank (2) and granulation shower nozzle (3) for the top, and the bottom is equipped with the cavity body of discharge gate, its characterized in that: the bottom of one side of the granulation tower body (1) is provided with a first filter screen plate (4), the position of the first filter screen plate (4) is provided with a first air inlet pipe (5), the first air inlet pipe (5) is provided with a first fan (6), the top of the other side of the granulation tower body (1) is provided with a second filter screen plate (7), the position of the second filter screen plate (7) is provided with an air outlet pipe (8), and the air outlet pipe (8) is provided with a second fan (9).
2. The large-air-volume countercurrent cooling device for the prilling tower according to claim 1, wherein: the tail end of the air outlet pipe (8) is connected with a UV photolysis deodorization device (10).
3. The large-air-volume countercurrent cooling device for the prilling tower according to claim 1, wherein: the bottom of the granulation tower body (1) is provided with a conveying device (11), the feeding end of the conveying device (11) is vertically arranged at the bottom of the discharge hole of the granulation tower body (1), and the upper cover of the conveying device (11) is provided with a drying box (12) and a cooling box (13).
4. The large-air-volume countercurrent cooling device for the prilling tower according to claim 3, wherein: a second air inlet pipe (14) is arranged at the top of the cooling box (13), a third fan (15) is arranged on the second air inlet pipe (14), an air outlet pipe (16) connected with the second air inlet pipe (14) is arranged on the inner top surface of the cooling box (13), and air outlet holes facing the conveying device (11) are formed in the air outlet pipe (16).
5. The large-air-volume countercurrent cooling device for the prilling tower according to claim 3, wherein: the bottom of the discharge end of the conveying device (11) is provided with a screening device, and the screening device comprises a bracket (17) and a screening net group arranged on the bracket (17) in parallel.
6. The large-air-volume countercurrent cooling device for the prilling tower according to claim 5, wherein: screening net group is including first screening net (18), second screening net (19) and third screening net (20) to first screening net (18), second screening net (19) and third screening net (20) all incline to set up, and the slope bottom is provided with and connects silo (21).
7. The large-air-volume countercurrent cooling device for the prilling tower according to claim 6, wherein: the first screening net (18) and the second screening net (19) are provided with screen holes, and the diameter of the screen holes of the first screening net (18) is larger than that of the screen holes of the second screening net (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120460700.4U CN214486781U (en) | 2021-03-03 | 2021-03-03 | Large-air-volume countercurrent cooling device for prilling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120460700.4U CN214486781U (en) | 2021-03-03 | 2021-03-03 | Large-air-volume countercurrent cooling device for prilling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214486781U true CN214486781U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120460700.4U Active CN214486781U (en) | 2021-03-03 | 2021-03-03 | Large-air-volume countercurrent cooling device for prilling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214486781U (en) |
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2021
- 2021-03-03 CN CN202120460700.4U patent/CN214486781U/en active Active
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