A cooling device for phosphatic fertilizer production

Abstract

The utility model relates to a kind of phosphatic fertilizer production cooling device, it is related to phosphatic fertilizer production technical field, including reservoir, cooling box, overflow tank and cooling tower, reservoir, cooling box, cooling tower are connected by inlet pipe, water in reservoir is sent to cooling box and cooling tower by inlet pipe through water pump, overflow tank is connected with reservoir by first backwater pipe, water in overflow tank is returned to reservoir by first backwater pipe, cooling tower is connected with reservoir by second backwater pipe, water in cooling tower is returned to reservoir by second backwater pipe;The utility model has strong practicability, it is very convenient to use, by reservoir, cooling box, overflow tank and and cooling tower are connected with each other, so that raw material cooling water can be recycled, save water, reduce the pollution caused to environment by emission, by setting neutralization tank, so that acidic substance in gas discharged by cooling tower is neutralized with sodium hydroxide, so that harmful substance in gas discharged is less, protect surrounding production environment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of phosphate fertilizer production, in particular to a phosphate fertilizer production cooling device. BACKGROUND

[0002] It is known that phosphate fertilizer is a fertilizer taking phosphorus as the main nutrient, and when the phosphate fertilizer is applied in an appropriate amount, it can promote tillering and early maturity of crops, strengthen the cold resistance of crops, and improve the yield and quality of crops. The production process of phosphoric acid mainly includes "hot method" and "wet method". In the hot method, the decomposed phosphate ore and the molten material are quenched with water, dried, and crushed to produce phosphate fertilizer products. A large amount of cooling water is required during the cooling of the molten material, which results in high water consumption and economic cost. In addition, a large amount of steam is generated during the cooling process, which will cause great pollution to the surrounding environment after entering the atmosphere. The treatment is time-consuming, labor-intensive, and economically demanding, and the treatment cost is high. SUMMARY

[0003] In order to overcome the deficiencies in the background art, the present application discloses a phosphate fertilizer production cooling device. The present application sets up a communication water storage tank, a cooling tank, an overflow tank and a cooling tower. A neutralizing tank is set up on the cooling tower to achieve the purpose of recycling water, saving water resources and purifying waste gas generated during production.

[0004] In order to achieve the purpose of the present application, the present application adopts the following technical scheme:

[0005] A phosphate fertilizer production cooling device comprises a water storage tank, a cooling tank, an overflow tank and a cooling tower. The water storage tank, the cooling tank and the cooling tower are connected through a water inlet pipe. The water inlet pipe transports water in the water storage tank to the cooling tank and the cooling tower through a water pump. The overflow tank is connected to the water storage tank through a first water return pipe. The first water return pipe returns water in the overflow tank to the water storage tank. The cooling tower is connected to the water storage tank through a second water return pipe. The second water return pipe returns water in the cooling tower to the water storage tank. The water storage tank, the cooling tank, the overflow tank and the cooling tower are connected to each other, so that the water used for cooling the raw materials can be recycled, water can be saved, and the pollution caused by the discharge to the environment can be reduced.

[0006] The water storage tank is arranged on one side of the overflow tank and below the overflow tank, which facilitates the return of water stored in the overflow tank to the water storage tank. One end of the first water return pipe penetrates through the upper end of the side of the water storage tank, and the other end of the first water return pipe penetrates through the lower end of the side of the overflow tank. The other side of the overflow tank is provided with the cooling tank.

[0007] The bottom surface of the cooling tank is a slope surface structure, a baffle is arranged in the cooling tank, the upper surface of the baffle is connected with the top surface of the cooling tank, the two side surfaces of the baffle are connected with the two opposite inner walls of the cooling tank respectively, a connecting pipe is arranged on one side of the cooling tank, one end of the connecting pipe penetrates through the side surface of the cooling tank, the connecting pipe is arranged above the water surface in the cooling tank, the other end of the connecting pipe penetrates through the top surface of the overflow tank, the lower end of the baffle is arranged below the water surface in the cooling tank, so that the leakage caused by the air in the cooling tank flowing out from the connecting pipe is avoided, a feeding pipe, a first conveyor and a water inlet pipe are arranged on the other side of the cooling tank, one end of the feeding pipe penetrates through the side surface of the cooling tank and communicates with the cooling tank, the feeding end of the first conveyor is arranged at the bottom of the slope surface in the cooling tank, the first conveyor is a screw conveyor, the discharging end of the first conveyor is arranged above the water surface in the cooling tank, and the water inlet pipe penetrates through the side surface of the cooling tank and adds water into the cooling tank.

[0008] A connecting ring is arranged in the cooling tank, the connecting ring is a hollow ring structure, the side surface of the connecting ring is connected with the inner wall of the cooling tank and the side surface of the baffle away from the connecting pipe, the inner wall of the connecting ring is provided with water spraying holes, the connecting ring is arranged above the water surface in the cooling tank, the water spraying holes spray water above the liquid surface in the cooling tank, so that the raw material dust is prevented from floating and the raw material is cooled more fully, the side surface of the cooling tank is provided with a booster pump, the water inlet end of the booster pump is connected with the water inlet pipe through a shunt pipe, the water outlet end of the booster pump penetrates through the side surface of the cooling tank and communicates with the side surface of the connecting ring and the connecting ring, and a flow guiding device is arranged above the connecting ring.

[0009] The flow guiding device is composed of first fans and an air inlet pipe, the first fans are arranged on the side surfaces of the cooling tank adjacent to the feeding pipe, each first fan is arranged above the connecting ring, the air inlet pipe is arranged on the side surface of the cooling tank opposite to the first fan, one end of the air inlet pipe penetrates through the cooling tank and communicates with the cooling tank, a steam check valve is arranged in the air inlet pipe, the other end of the air inlet pipe communicates with the cooling tower, a dispersion pipe is arranged at the end of the air inlet pipe communicating with the cooling tower, the dispersion pipe makes the steam entering the cooling tower be dispersed, so that the steam is better cooled, the first fan blows the steam towards the air inlet pipe, and the steam enters the cooling tower through the air inlet pipe.

[0010] The lower surface of the cooling tower is provided with supporting legs, an inner cylinder is arranged in the cooling tower, the lower surface of the inner cylinder is connected with the bottom surface of the inner wall of the cooling tower, the upper surface of the inner cylinder is connected with the top surface of the inner wall of the cooling tower, the upper surface of the cooling tower is provided with an exhaust pipe, the second fan is arranged on the exhaust pipe, the air inlet end of the exhaust pipe is connected with the cooling tower, and the exhaust end of the exhaust pipe is provided with a neutralizing tank.

[0011] The inner cylinder is internally provided with a water collecting pool, a flow guiding device, a spraying device and a demister from bottom to top, the lower surface of the water collecting pool is connected with the bottom surface of the inner wall of the cooling tower, the water collecting pool is arranged below the dispersing pipe, the side surface of the water collecting pool is provided with a second water return pipe, the water in the water collecting pool is returned to the water storage pool through the water pump, one end of the second water return pipe is communicated with the water collecting pool, the lower surface of the water collecting pool is provided with a discharge pipe, the upper end of the discharge pipe is communicated with the water collecting pool, the lower end of the discharge pipe penetrates through the lower surface of the cooling tower, the discharge pipe is internally provided with an electromagnetic valve, the solid raw material particles mixed in the cooling steam after being changed into water drops are deposited in the water collecting pool and discharged from the cooling tower through the discharge pipe, the other end of the second water return pipe is communicated with the water storage pool through the inner cylinder and the cooling tower, the side surface of the inner cylinder is provided with a coil pipe, the water inlet end of the coil pipe is communicated with the water inlet pipe, and the water outlet end of the coil pipe is communicated with the second water return pipe.

[0012] The flow guiding device is composed of a cooling plate and a flow guiding strip, the flow guiding device is arranged above the dispersing pipe, the side surface of the cooling plate is connected with the inner wall of the inner cylinder, the lower surface of the cooling plate is distributed with the flow guiding strip, the cross section of the flow guiding strip is triangular structure, the side surface of the flow guiding strip is connected with the lower surface of the cooling plate, the cooling plate is distributed with flow guiding grooves, and the flow guiding strip is arranged on both sides of the flow guiding grooves.

[0013] The spraying device is composed of a fixing ring, a fixing pipe and a nozzle, the fixing ring is hollow annular structure, the side surface of the fixing ring is connected with the inner wall of the inner cylinder, the inner wall of the fixing ring is distributed with the fixing pipe, both ends of the fixing pipe penetrate through the inner wall of the fixing ring and are communicated with the fixing ring, the lower surface of the fixing ring is distributed with the nozzle, the water inlet pipe penetrates through the side surface of the cooling tower, the inner cylinder and the fixing ring and is communicated with the fixing ring, the demister is arranged above the fixing ring, and the side surface of the demister is connected with the inner wall of the inner cylinder.

[0014] The neutralization tank is internally provided with sodium hydroxide solution, the exhaust end of the exhaust pipe is arranged in the sodium hydroxide solution, the acidic substances in the gas discharged from the cooling tower are neutralized with sodium hydroxide, so that the harmful substances in the discharged gas are less, the surrounding production environment is protected, the upper surface of the neutralization tank is provided with an exhaust hole, one side of the neutralization tank is provided with a second conveyor, the feeding end of the second conveyor is arranged at the bottom of the neutralization tank through the neutralization tank, the discharging end of the second conveyor is arranged above the neutralization tank, the second conveyor is a spiral conveyor, and the second conveyor discharges the precipitates deposited at the bottom of the neutralization tank.

[0015] The phosphorus fertilizer production cooling device has high practicability and is very convenient to use, the raw materials are cooled by the water circulating use of the water storage pool, the cooling tank, the overflow tank and the cooling tower, water is saved, the pollution to the environment caused by emission is reduced, the acidic substances in the gas discharged from the cooling tower are neutralized with sodium hydroxide through the neutralization tank, so that the harmful substances in the discharged gas are less, and the surrounding production environment is protected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The position relation diagram of the present application;

[0017] Figure 2 The connection diagram of the reservoir, the cooling box and the overflow tank of the present application;

[0018] Figure 3 The cross section diagram of the cooling box of the present application;

[0019] Figure 4 The three-dimensional structure diagram of the air inlet pipe of the present application;

[0020] Figure 5 The cross section diagram of the cooling tower of the present application;

[0021] Figure 6 The bottom view of the fixing ring of the present application;

[0022] In the figure: 1, the reservoir; 2, the cooling box; 3, the overflow tank; 4, the cooling tower; 5, the neutralizing tank; 6, the first backwater pipe; 7, the connecting pipe; 8, the first conveyor; 9, the feeding pipe; 10, the water inlet pipe; 11, the shunt pipe; 12, the booster pump; 13, the first fan; 14, the air inlet pipe; 15, the air outlet pipe; 16, the second fan; 17, the second backwater pipe; 18, the air outlet hole; 19, the second conveyor; 20, the baffle; 21, the connecting ring; 22, the water spraying hole; 23, the steam check valve; 24, the dispersion pipe; 25, the inner cylinder; 26, the supporting leg; 27, the coil pipe; 28, the demister; 29, the fixing ring; 30, the nozzle; 31, the cooling plate; 32, the flow guide groove; 33, the flow guide strip; 34, the water collecting pool; 35, the discharge pipe; 36, the electromagnetic valve; 37, the fixing pipe. Embodiment

[0023] The present application can be explained in detail by the following examples, and the purpose of the disclosure is to protect all technical improvements within the scope of the present application.

[0024] The accompanying drawings Figures 1-6 A cooling device for phosphorus fertilizer production, comprising a reservoir 1, a cooling box 2, an overflow tank 3 and a cooling tower 4, the reservoir 1, the cooling box 2 and the cooling tower 4 are connected through a water inlet pipe 10, the water inlet pipe 10 transports the water in the reservoir 1 to the cooling box 2 and the cooling tower 4 through a water pump, the overflow tank 3 is connected with the reservoir 1 through a first backwater pipe 6, the first backwater pipe 6 returns the water in the overflow tank 3 to the reservoir 1, the cooling tower 4 is connected with the reservoir 1 through a second backwater pipe 17, the second backwater pipe 17 returns the water in the cooling tower 4 to the reservoir 1, through the mutual connection of the reservoir 1, the cooling box 2, the overflow tank 3 and the cooling tower 4, the cooling water for the raw materials can be recycled, water is saved, and the pollution to the environment caused by the discharge is reduced.

[0025] The water storage pool 1 is arranged on one side of the overflow tank 3, and the water storage pool 1 is arranged below the overflow tank 3, so as to facilitate the backflow of water in the overflow tank 3 to the water storage pool 1. One end of the first backwater pipe 6 penetrates through the upper end of the side of the water storage pool 1, and the other end of the first backwater pipe 6 penetrates through the lower end of the side of the overflow tank 3. The other side of the overflow tank 3 is provided with the cooling tank 2.

[0026] The bottom surface of the cooling tank 2 is a slope structure. The cooling tank 2 is provided with a baffle 20. The upper surface of the baffle 20 is connected with the top surface of the cooling tank 2. The two side surfaces of the baffle 20 are connected with the two opposite inner walls of the cooling tank 2. One side of the cooling tank 2 is provided with a connecting pipe 7. One end of the connecting pipe 7 penetrates through the side of the cooling tank 2. The connecting pipe 7 is arranged above the water surface in the cooling tank 2. The other end of the connecting pipe 7 penetrates through the top surface of the overflow tank 3. The lower end of the baffle 20 is arranged below the water surface in the cooling tank 2, so as to avoid the leakage caused by the air in the cooling tank 2 flowing out from the connecting pipe 7. The other side of the cooling tank 2 is provided with a feeding pipe 9, a first conveyor 8 and a water inlet pipe 10. One end of the feeding pipe 9 penetrates through the side of the cooling tank 2 and communicates with the cooling tank 2. The feeding end of the first conveyor 8 is arranged at the bottom of the slope in the cooling tank 2. The first conveyor 8 is a screw conveyor. The discharging end of the first conveyor 8 is arranged above the water surface in the cooling tank 2. The water inlet pipe 10 penetrates through the side of the cooling tank 2 and adds water into the cooling tank 2.

[0027] The cooling tank 2 is provided with a connecting ring 21. The connecting ring 21 is a hollow ring structure. The side surface of the connecting ring 21 is connected with the inner wall of the cooling tank 2 and the side surface of the baffle 20 away from the connecting pipe 7. The inner wall of the connecting ring 21 is distributed with water spraying holes 22. The connecting ring 21 is arranged above the water surface in the cooling tank 2. The water spraying holes 22 spray water above the liquid surface in the cooling tank 2, so as to avoid the dust of raw materials from floating and make the raw materials be cooled more fully. The side surface of the cooling tank 2 is provided with a booster pump 12. The water inlet end of the booster pump 12 is connected with the water inlet pipe 10 through a shunt pipe 11. The water outlet end of the booster pump 12 penetrates through the side of the cooling tank 2 and communicates with the side surface of the connecting ring 21. The upper portion of the connecting ring 21 is provided with a flow guide device.

[0028] The flow guide device is composed of first fans 13 and an air inlet pipe 14. The first fans 13 are distributed on the side surface of the cooling tank 2 adjacent to the feeding pipe 9. Each first fan 13 is arranged above the connecting ring 21. The air inlet pipe 14 is arranged on the side surface of the cooling tank 2 opposite to the first fans 13. One end of the air inlet pipe 14 penetrates through the cooling tank 2 and communicates with the cooling tank 2. The air inlet pipe 14 is provided with a steam check valve 23. The other end of the air inlet pipe 14 communicates with the cooling tower 4. The end of the air inlet pipe 14 communicating with the cooling tower 4 is provided with a dispersion pipe 24. The dispersion pipe 24 makes the steam entering the cooling tower 4 be dispersed, so as to be cooled better. The first fans 13 blow the steam to the air inlet pipe 14 and make the steam enter the cooling tower 4 through the air inlet pipe 14.

[0029] The lower surface of the cooling tower 4 is distributed with supporting legs 26, and the cooling tower 4 is provided with an inner cylinder 25, the lower surface of the inner cylinder 25 is connected with the bottom surface of the inner wall of the cooling tower 4, the upper surface of the inner cylinder 25 is connected with the top surface of the inner wall of the cooling tower 4, the upper surface of the cooling tower 4 is provided with an exhaust pipe 15, the exhaust pipe 15 is provided with a second fan 16, the air inlet end of the exhaust pipe 15 is connected with the cooling tower 4, and the air outlet end of the exhaust pipe 15 is provided with a neutralization tank 5.

[0030] The inner cylinder 25 is provided with a water collecting pool 34, a flow guiding device, a spraying device and a demister 28 from bottom to top, the lower surface of the water collecting pool 34 is connected with the bottom surface of the inner wall of the cooling tower 4, the water collecting pool 34 is arranged below the dispersion pipe 24, the side surface of the water collecting pool 34 is provided with a second water return pipe 17, the second water return pipe 17 returns the water in the water collecting pool 34 to the water storage pool 1 through a water pump, one end of the second water return pipe 17 is communicated with the water collecting pool 34, the lower surface of the water collecting pool 34 is provided with a discharge pipe 35, the upper end of the discharge pipe 35 is communicated with the water collecting pool 34, the lower end of the discharge pipe 35 penetrates through the lower surface of the cooling tower 4, the discharge pipe 35 is provided with an electromagnetic valve 36, the solid raw material particles mixed in the cooling steam after being cooled into water droplets are precipitated in the water collecting pool 34 and discharged from the cooling tower 4 through the discharge pipe 35, the other end of the second water return pipe 17 penetrates through the inner cylinder 25 and is communicated with the water storage pool 1, the side surface of the inner cylinder 25 is provided with a coil pipe 27, the water inlet end of the coil pipe 27 is communicated with the water inlet pipe 10, and the water outlet end of the coil pipe 27 is communicated with the second water return pipe 17.

[0031] The flow guiding device is composed of a cooling plate 31 and a flow guiding strip 33, the flow guiding device is arranged above the dispersion pipe 24, the side surface of the cooling plate 31 is connected with the inner wall of the inner cylinder 25, the lower surface of the cooling plate 31 is distributed with the flow guiding strip 33, the cross section of the flow guiding strip 33 is triangular structure, the side surface of the flow guiding strip 33 is connected with the lower surface of the cooling plate 31, the cooling plate 31 is distributed with flow guiding grooves 32, and the flow guiding strip 33 is arranged on both sides of the flow guiding grooves 32.

[0032] The spraying device is composed of a fixed ring 29, a fixed pipe 37 and a nozzle 30, the fixed ring 29 is hollow annular structure, the side surface of the fixed ring 29 is connected with the inner wall of the inner cylinder 25, the inner wall of the fixed ring 29 is distributed with the fixed pipe 37, both ends of the fixed pipe 37 penetrate through the inner wall of the fixed ring 29 and are communicated with the fixed ring 29, the lower surface of the fixed ring 29 is distributed with the nozzle 30, the water inlet pipe 10 penetrates through the side surface of the cooling tower 4, the inner cylinder 25 and the fixed ring 29 and is communicated with the fixed ring 29, the demister 28 is arranged above the fixed ring 29, and the side surface of the demister 28 is connected with the inner wall of the inner cylinder 25.

[0033] The neutralization tank 5 is provided with sodium hydroxide solution, the exhaust end of the exhaust pipe 15 is arranged in the sodium hydroxide solution, the acidic substances in the gas discharged by the cooling tower 4 are neutralized with sodium hydroxide, so that the harmful substances in the discharged gas are less, the surrounding production environment is protected, the upper surface of the neutralization tank 5 is provided with an exhaust hole 18, one side of the neutralization tank 5 is provided with a second conveyor 19, the feeding end of the second conveyor 19 is arranged at the bottom of the neutralization tank 5 through the neutralization tank 5, and the discharging end of the second conveyor 19 is arranged above the neutralization tank 5; the second conveyor 19 is a spiral conveyor, and the second conveyor 19 discharges the precipitate deposited at the bottom of the neutralization tank 5.

[0034] The phosphorus fertilizer production cooling device provided by the embodiment is used, water is added to the cooling tank 2 and the cooling tower 4 through the water inlet pipe 10, when the water in the cooling tank 2 exceeds the height of the connecting pipe 7, the water flows out and enters the overflow tank 3, and then flows back into the water storage pool 1 through the overflow tank 3, the water in the cooling tower 4 falls into the water collecting pool 34, and then flows back into the water storage pool 1 through the second water return pipe 17, so that the cooling water can be recycled, water consumption is saved, energy consumption and pollution are reduced, the melting material is added to the cooling tank 2 through the feeding pipe 9, the melting material falls into the water in the cooling tank 2 and is rapidly cooled, the cooled melting material falls to the bottom of the cooling tank 2 and is taken out of the cooling tank 2 by the first conveyor 8 for the next process, while the melting material is added, the booster pump 12 supplies water to the connecting ring 21, the water flows through the water spraying hole 22 and sprays water above the liquid surface in the cooling tank 2, so that the dust of the melting material is prevented from floating and the cooling of the melting material is more sufficient, a large amount of steam is generated when the melting material is cooled, the first fan blows the steam towards the air inlet pipe 14, and then the steam enters the cooling tower 4 through the air inlet pipe 14, the steam check valve 23 in the air inlet pipe 14 prevents the steam from flowing back, the steam enters the inner cylinder 25 and floats upwards, the guide strip 33 guides the steam to pass through the upper guide groove 32, and then the steam is cooled and condensed into water droplets by the water sprayed by the upper nozzle 30 and falls into the lower water collecting pool 34, after the steam is cooled into water droplets, the solid raw material particles mixed in the steam are deposited in the water collecting pool 34 and are discharged from the cooling tower 4 through the discharge pipe 35, the airflow continues to move upwards and passes through the demister 28, the demister 28 separates most of the particles and water droplets in the airflow, so that most of the particles and water droplets are prevented from flowing out of the cooling tower 4, the airflow rising upwards is blown towards the neutralization tank 5 by the second fan 16, the acidic substances in the airflow are neutralized with the sodium hydroxide solution in the neutralization tank 5, and then flow towards the drying equipment and dust removal equipment connected to the exhaust hole 18 for secondary purification, dust removal and drying.

[0035] The part not described in detail in the present application is prior art, although the present application is specifically shown and introduced in combination with the preferred embodiment, there are many specific implementation methods and approaches for the technical scheme, and the above description is only the preferred embodiment of the present application, but those skilled in the art should understand that various changes can be made in form and detail without departing from the spirit and scope of the present application defined in the appended claims, and all changes are within the protection scope of the present application.

Claims

1. A cooling device for phosphatic fertilizer production, comprising a reservoir (1), a cooling tank (2), an overflow tank (3) and a cooling tower (4), characterized in that: The water storage pool (1), the cooling tank (2) and the cooling tower (4) are connected through the water inlet pipe (10), the water pump transports the water in the water storage pool (1) to the cooling tank (2) and the cooling tower (4) through the water inlet pipe (10), the overflow tank (3) and the water storage pool (1) are connected through the first backwater pipe (6), the first backwater pipe (6) returns the water in the overflow tank (3) to the water storage pool (1), the cooling tower (4) and the water storage pool (1) are connected through the second backwater pipe (17), and the second backwater pipe (17) returns the water in the cooling tower (4) to the water storage pool (1); The water storage pool (1) is arranged on one side of the overflow tank (3), the water storage pool (1) is arranged below the overflow tank (3), one end of the first backwater pipe (6) penetrates the upper end of the side of the water storage pool (1), the other end of the first backwater pipe (6) penetrates the lower end of the side of the overflow tank (3), and the other side of the overflow tank (3) is provided with the cooling tank (2); The bottom surface of the cooling tank (2) is a slope structure, the cooling tank (2) is provided with a baffle (20), the upper surface of the baffle (20) is connected with the top surface of the cooling tank (2), the two side surfaces of the baffle (20) are connected with the two opposite inner walls of the cooling tank (2), one side of the cooling tank (2) is provided with a connecting pipe (7), one end of the connecting pipe (7) penetrates the side surface of the cooling tank (2), the connecting pipe (7) is arranged above the water surface in the cooling tank (2), the other end of the connecting pipe (7) penetrates the top surface of the overflow tank (3), the other side of the cooling tank (2) is provided with a feeding pipe (9), a first conveyor (8) and a water inlet pipe (10), one end of the feeding pipe (9) penetrates the side surface of the cooling tank (2) and communicates with the cooling tank (2), the feeding end of the first conveyor (8) is arranged at the bottom of the slope in the cooling tank (2), the discharging end of the first conveyor (8) is arranged above the water surface height of the cooling tank (2), and the water inlet pipe (10) penetrates the side surface of the cooling tank (2) and adds water into the cooling tank (2); The cooling tank (2) is provided with a connecting ring (21), the connecting ring (21) is a hollow ring structure, the side surface of the connecting ring (21) is connected with the inner wall of the cooling tank (2) and the side surface of the baffle (20) away from the connecting pipe (7), the inner wall of the connecting ring (21) is distributed with water injection holes (22), the connecting ring (21) is arranged above the water surface in the cooling tank (2), the side surface of the cooling tank (2) is provided with a booster pump (12), the water inlet end of the booster pump (12) is connected with the water inlet pipe (10) through a shunt pipe (11), the water outlet end of the booster pump (12) penetrates the side surface of the cooling tank (2) and communicates with the side surface of the connecting ring (21) and the connecting ring (21), and the upper portion of the connecting ring (21) is provided with a flow guide device; The guide device is composed of the first fan (13) and the air inlet pipe (14), the first fan (13) is distributed on the side of the cooling tank (2) adjacent to the feeding pipe (9), each first fan (13) is arranged above the connecting ring (21), the air inlet pipe (14) is arranged on the side of the cooling tank (2) opposite to the first fan (13), one end of the air inlet pipe (14) penetrates through the cooling tank (2) and communicates with the cooling tank (2), the steam check valve (23) is arranged in the air inlet pipe (14), the other end of the air inlet pipe (14) communicates with the cooling tower (4), and the air inlet pipe (14) is provided with the dispersion pipe (24) at the end communicating with the cooling tower (4).

2. A phosphorous fertilizer production cooling device according to claim 1, characterized in that: The lower surface of the cooling tower (4) is distributed with the supporting leg (26), the inner cylinder (25) is arranged in the cooling tower (4), the lower surface of the inner cylinder (25) is connected with the bottom surface of the inner wall of the cooling tower (4), the upper surface of the inner cylinder (25) is connected with the top surface of the inner wall of the cooling tower (4), the upper surface of the cooling tower (4) is provided with the exhaust pipe (15), the second fan (16) is arranged on the exhaust pipe (15), the air inlet end of the exhaust pipe (15) is connected with the cooling tower (4), and the air outlet end of the exhaust pipe (15) is provided with the neutralizing tank (5).

3. A phosphorous fertilizer production cooling device according to claim 2, characterized in that: The inner cylinder (25) is provided with the water collecting pool (34), the guide device, the spraying device and the demister (28) from bottom to top, the lower surface of the water collecting pool (34) is connected with the bottom surface of the inner wall of the cooling tower (4), the side surface of the water collecting pool (34) is provided with the second water return pipe (17), the water pump is arranged on the second water return pipe (17), and the water in the water collecting pool (34) is returned to the water storage pool (1) through the second water return pipe (17), one end of the second water return pipe (17) communicates with the water collecting pool (34), the lower surface of the water collecting pool (34) is provided with the discharge pipe (35), the upper end of the discharge pipe (35) communicates with the water collecting pool (34), the lower end of the discharge pipe (35) penetrates through the lower surface of the cooling tower (4), the electromagnetic valve (36) is arranged in the discharge pipe (35), the other end of the second water return pipe (17) penetrates through the inner cylinder (25) and the cooling tower (4) and communicates with the water storage pool (1), the side surface of the inner cylinder (25) is provided with the coil pipe (27), the water inlet end of the coil pipe (27) communicates with the water inlet pipe (10), and the water outlet end of the coil pipe (27) communicates with the second water return pipe (17).

4. A phosphorous fertilizer production cooling device according to claim 3, characterized in that: The guide device is composed of the cooling plate (31) and the guide strip (33), the side surface of the cooling plate (31) is connected with the inner wall of the inner cylinder (25), the lower surface of the cooling plate (31) is distributed with the guide strip (33), the cross section of the guide strip (33) is triangular structure, the side surface of the guide strip (33) is connected with the lower surface of the cooling plate (31), the cooling plate (31) is distributed with the guide groove (32), and the guide strip (33) is arranged on the two sides of the guide groove (32).

5. The phosphorous fertilizer production cooling device according to claim 3, characterized in that: The spraying device is composed of a fixed ring (29), a fixed tube (37) and a nozzle (30), the fixed ring (29) is a hollow annular structure, the side surface of the fixed ring (29) is connected with the inner wall of the inner cylinder (25), the inner wall of the fixed ring (29) is distributed with the fixed tube (37), the two ends of the fixed tube (37) are both penetrated through the inner wall of the fixed ring (29) and are communicated with the fixed ring (29), the lower surface of the fixed ring (29) is distributed with the nozzle (30), the water inlet pipe (10) is penetrated through the cooling tower (4), the inner cylinder (25) and the side surface of the fixed ring (29) and is communicated with the fixed ring (29), the demister (28) is arranged above the fixed ring (29), and the side surface of the demister (28) is connected with the inner wall of the inner cylinder (25).

6. The phosphorous fertilizer production cooling device according to claim 2, characterized in that: The neutralization tank (5) is provided with a sodium hydroxide solution, the exhaust end of the exhaust pipe (15) is arranged in the sodium hydroxide solution, the upper surface of the neutralization tank (5) is provided with an exhaust hole (18), one side of the neutralization tank (5) is provided with a second conveyor (19), the feeding end of the second conveyor (19) is arranged at the bottom of the neutralization tank (5) by penetrating through the neutralization tank (5), and the discharging end of the second conveyor (19) is arranged above the neutralization tank (5).

Images