Device for cooling converter in sulfuric acid production system

Abstract

The utility model relates to the technical field of sulfuric acid production, in particular to a device for cooling a converter in a sulfuric acid production system. The converter comprises a cooling water tank and a converter body, a water injection pipe is arranged on the side face of the cooling water tank and used for water injection work of the cooling water tank, a liquid nitrogen storage tank is arranged on the side face of the cooling water tank, liquid nitrogen is arranged in the liquid nitrogen storage tank, and a water pump is arranged at the top of the liquid nitrogen storage tank. A water outlet of the water pump is located in the cooling water tank, and an exhaust fan is arranged at the top of the cooling water tank. According to the converter, the filter element can be replaced, the phenomenon that the heat absorption effect of cooling water is affected by many impurities contained in the cooling water is avoided, heat is fully in contact with a pipeline in the annular installation pipe through the contact holes in the inner wall of the annular installation pipe, and therefore the temperature of the cooling water rises to take away heat in the converter; therefore, the purpose of cooling the converter is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sulfuric acid production technical field especially relates to a device for reducing the temperature of converter in sulfuric acid production system. BACKGROUND

[0002] In the sulfuric acid production system, the converter is usually used to convert hydrogen sulfide gas or sulfur dioxide gas into sulfur trioxide, and the conversion reaction is an exothermic reaction, the temperature will rise with the reaction, therefore, in order to maintain the activity of the catalyst and ensure that the reaction is carried out in the optimum temperature range, effective cooling measures are usually needed.

[0003] In the prior art, the device for reducing the temperature of converter in sulfuric acid production system with the application number 201821788920.4 includes five-layer converters, a first connecting pipe is fixedly installed on one side of the five-layer converters, uniformly distributed first pipes are fixedly connected on one side of the first connecting pipe, an annular pipe is fixedly connected to one end of the first pipes, second pipes are fixedly connected on one side of the annular pipe, a second connecting pipe is fixedly connected between the five second pipes, a circulating cold water pool is fixedly connected to one end of the second connecting pipe, a water inlet pipe is fixedly connected to the water inlet on one side of the circulating cold water pool, a variable frequency high-pressure pump is fixedly connected to one end of the water inlet pipe, and one side of the variable frequency high-pressure pump is fixedly connected to one end of the first connecting pipe. By setting the first connecting pipe, the first pipes, the annular pipe, the second pipes, the circulating cold water pool, and the variable frequency high-pressure pump, the heat in the five-layer converters can be discharged, the temperature of the converter can be reduced, and the processing capacity of the bottom blowing furnace can be improved. Although the device can cool the converter, it cannot filter the cooling water. After a long period of circulation, the impurities in the cooling water increase, which affects the heat absorption function of the water. In addition, the contact area between the cooling water pipe and the hot air inside the converter is small, which affects the cooling effect of the converter. Therefore, a device for reducing the temperature of converter in sulfuric acid production system is developed to overcome the above-mentioned problems. SUMMARY

[0004] In order to overcome the shortcomings that the existing device cannot filter the cooling water, the impurities in the cooling water increase after a long period of circulation, which affects the heat absorption function of the water, and the contact area between the cooling water pipe and the hot air inside the converter is small, which affects the cooling effect of the converter, the utility model provides a device for reducing the temperature of converter in sulfuric acid production system.

[0005] The technical implementation scheme of the utility model discloses a device for reducing the temperature of a converter in a sulfuric acid production system, which comprises a cooling water tank and a converter main body, the side of the cooling water tank is provided with a water injection pipe, the water injection pipe is used for the water injection work of the cooling water tank, the side of the cooling water tank is provided with a liquid nitrogen storage tank, the liquid nitrogen storage tank is internally provided with liquid nitrogen, the top of the liquid nitrogen storage tank is provided with a water pump, the water outlet of the water pump is located inside the cooling water tank, the top of the cooling water tank is provided with an exhaust fan, the converter main body is internally provided with a plurality of annular mounting pipes, each annular mounting pipe is internally provided with a pipeline, the two sides of each annular mounting pipe are provided with connecting ports, the connecting ports are communicated with the pipelines inside the annular mounting pipes, a circulating pump is arranged between the cooling water tank and the converter main body, one side of the circulating pump is provided with a water inlet pipe, one end of the water inlet pipe penetrates through the cooling water tank and extends into the cooling water tank, a support is arranged between the water inlet pipe and the top of the cooling water tank, the other side of the circulating pump is provided with a connecting pipe.

[0006] Optionally, a first backflow pipe and a second backflow pipe are arranged between the cooling water tank and the converter main body, and a filter assembly is arranged inside the first backflow pipe and the second backflow pipe.

[0007] Optionally, the connecting port on one side of the annular mounting pipe at the top end inside the converter main body is connected with the connecting pipe, the connecting port on one side of the annular mounting pipe at the bottom end inside the converter main body is connected with the first backflow pipe, a circulating pipe is arranged between a plurality of the annular mounting pipes, and the circulating pipe is connected with the connecting port.

[0008] Optionally, the filter assembly further comprises a filter core, and the filter core is arranged inside the first backflow pipe and the second backflow pipe.

[0009] Optionally, the filter assembly further comprises a filter core, and the filter core is arranged inside the first backflow pipe and the second backflow pipe.

[0010] Optionally, a one-way valve is arranged inside the second backflow pipe, and the one-way valve is used for preventing the backflow of the cooling water inside the cooling water tank.

[0011] Optionally, a plurality of contact holes are arranged on the inner side of the annular mounting pipe.

[0012] The utility model has the advantages that:

[0013] 1. The utility model discloses a connecting pipe is connected with the connecting port of the annular installation pipe of the inside top of converter, and each annular installation pipe is connected through the circulation pipe, then the annular installation pipe of the inside bottom of converter is connected with the first backflow pipe, completes the assembly work of device, makes the assembly work of device more convenient.

[0014] 2. The utility model discloses through depositing liquid nitrogen in liquid nitrogen storage tank, and with water pump intercommunication, through the circulation pump and water inlet that set up, the cooling water in cooling water tank is extracted, and through the pipeline in connecting pipe and annular installation pipe and circulation pipe, the heat in converter is absorbed, and through the contact hole of annular installation pipe inner wall, makes the heat fully contact with the pipeline in annular installation pipe, thereby makes the water temperature of cooling water rise and take away the heat in converter, thereby plays the purpose of the cooling of converter, when the water temperature of cooling water is higher, through water pump, the liquid nitrogen in liquid nitrogen storage tank is extracted, and is injected in cooling water tank, through liquid nitrogen, cooling water is rapidly cooled, and the gas generated by liquid nitrogen is discharged through exhaust fan.

[0015] 3. The utility model discloses through the pipeline in connecting pipe and annular installation pipe inside circulation that cooling water completes, through the first backflow pipe and second backflow pipe that set up and carry out backflow, and the filter core that is provided with in first backflow pipe and second backflow pipe can filter cooling water, when converter completes conversion work, through the pull ring, the filter core is extracted, and the filter core is replaced, avoids the cooling water that cooling water contains more impurities and influences the heat absorption effect of cooling water, and can avoid the backflow of cooling water in cooling water tank through the check valve in second backflow pipe. DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the structural schematic diagram of annular installation pipe in the utility model;

[0018] Figure 3 It is the utility model Figure 1 A place amplification diagram in the utility model.

[0019] The meaning of the reference numeral in the drawing: 1, cooling water tank;2, water injection pipe;3, liquid nitrogen storage tank;4, water pump;5, water inlet pipe;6, support;7, circulation pump;8, converter main part;9, connecting pipe;10, annular installation pipe;101, connecting port;11, water outlet;12, circulation pipe;13, contact hole;14, first backflow pipe;15, second backflow pipe;16, check valve;17, connecting flange;18, fixed screw;19, nut;20, filter core;21, pull ring. CONCRETE IMPLEMENTATION

[0020] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be described in further detail below in combination with the drawings. Only this declaration, the up, down, left, right, front, back, inside, outside and other orientation words appearing in the text or about to appear of the utility model, only take the drawings of the utility model as the benchmark, it is not the specific limitation of the utility model.

[0021] A kind of device for converter cooling in sulfuric acid production system, including cooling water tank 1 and converter main body 8, the side of cooling water tank 1 is provided with water injection pipe 2, water injection pipe 2 is used for the water injection work of cooling water tank 1, the side of cooling water tank 1 is provided with liquid nitrogen storage tank 3, liquid nitrogen storage tank 3 is provided with liquid nitrogen inside, the top of liquid nitrogen storage tank 3 is provided with water pump 4, the water outlet 11 of water pump 4 is located inside cooling water tank 1, cooling water tank 1 top is provided with exhaust fan, converter main body 8 is provided with several annular installation pipes 10 inside, each annular installation pipe 10 is provided with pipe inside, the two sides of each annular installation pipe 10 are provided with connecting port 101, connecting port 101 is communicated with the pipe inside annular installation pipe 10, cooling water tank 1 and converter main body 8 are provided with circulating pump 7, one side of circulating pump 7 is provided with water inlet pipe 5, one end of water inlet pipe 5 passes through cooling water tank 1, and extends to cooling water tank 1 inside, water inlet pipe 5 and the top of cooling water tank 1 are provided with support 6, the other side of circulating pump 7 is provided with connecting pipe 9, the connecting port 101 of the one side of annular installation pipe 10 at the top end inside converter main body 8 is connected with connecting pipe 9, the connecting port 101 of the one side of annular installation pipe 10 at the bottom end inside converter main body 8 is connected with first backflow pipe 14, circulating pipe 12 is provided between several annular installation pipes 10, and the connecting port 101 is connected with circulating pipe 12.

[0022] It should be noted that, by connecting the connecting pipe 9 with the connecting port 101 of the annular installation pipe 10 at the top end inside the converter, and connecting each annular installation pipe 10 through the circulating pipe 12, then connecting the annular installation pipe 10 at the bottom end inside the converter with the first backflow pipe 14, the assembly work of the device is completed, making the assembly work of the device more convenient.

[0023] As shown in Figure 1 The first backflow pipe 14 and the second backflow pipe 15 are provided between the cooling water tank 1 and the converter main body 8, and the first backflow pipe 14 and the second backflow pipe 15 are provided with a filter assembly inside.

[0024] It needs to be explained that, by storing liquid nitrogen in the liquid nitrogen storage tank 3, and communicating with the water pump 4, the cooling water inside the cooling water tank 1 is pumped out through the circulating pump 7 and the water inlet, and the heat inside the converter is absorbed through the pipeline inside the connecting pipe 9 and the annular installation pipe 10 and the circulating pipe 12, and the heat is fully contacted with the pipeline inside the annular installation pipe 10 through the contact hole 13 on the inner wall of the annular installation pipe 10, so that the water temperature of the cooling water is increased to take away the heat inside the converter, thereby achieving the purpose of cooling the converter. When the water temperature of the cooling water is high, the liquid nitrogen inside the liquid nitrogen storage tank 3 is pumped out by the water pump 4 and injected into the cooling water tank 1, and the cooling water is rapidly cooled by the liquid nitrogen, and the gas generated by the liquid nitrogen is discharged by the exhaust fan.

[0025] As shown in Figure 1 and Figure 3 , the filter assembly includes a connecting flange 17, the connecting flange 17 is provided on the side wall of the first return pipeline 14 and the second return pipeline 15, the two connecting flanges 17 are in contact with each other, and a plurality of fixing screws 18 are arranged between the two connecting flanges 17, each fixing screw 18 is provided with a nut 19, the filter assembly further includes a filter core 20, the filter core 20 is arranged inside the first return pipeline 14 and the second return pipeline 15, one end of the filter core 20 is provided with a sealing plate, the sealing plate penetrates the first return pipeline 14 or the second return pipeline 15, one side of the sealing plate is provided with a pull ring 21, and a one-way valve 16 is arranged inside the second return pipeline 15, the one-way valve 16 is used to prevent the cooling water inside the cooling water tank 1 from flowing back.

[0026] It needs to be explained that, after the cooling water completes the circulation through the circulating pipe 12 and the pipeline inside the annular installation pipe 10, the first return pipeline 14 and the second return pipeline 15 are arranged to return, the filter core 20 arranged inside the first return pipeline 14 and the second return pipeline 15 can filter the cooling water, when the converter completes the conversion work, the filter core 20 is pulled out through the pull ring 21, and the filter core 20 is replaced, so that the cooling water containing more impurities does not affect the heat absorption effect of the cooling water, and the one-way valve 16 inside the second return pipeline 15 can prevent the cooling water inside the cooling water tank 1 from flowing back.

[0027] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A device for cooling down a converter in a sulfuric acid production system, characterized in that The utility model provides a cooling water tank (1) and converter main part (8), the side of cooling water tank (1) is provided with water injection pipe (2), water injection pipe (2) is used for the water injection work of cooling water tank (1), the side of cooling water tank (1) is provided with liquid nitrogen storage tank (3), liquid nitrogen storage tank (3) inside is provided with liquid nitrogen, the top of liquid nitrogen storage tank (3) is provided with water pump (4), the water outlet (11) of water pump (4) is located inside cooling water tank (1), the top of cooling water tank (1) is provided with exhaust fan, converter main part (8) inside is provided with a plurality of annular installation pipe (10), every annular installation pipe (10) inside is provided with pipe, every annular installation pipe (10) both sides are provided with connecting port (101), connecting port (101) with the pipe in annular installation pipe (10) intercommunication, cooling water tank (1) with converter main part (8) between being provided with circulating pump (7), one side of circulating pump (7) is provided with inlet tube (5), one end of inlet tube (5) passes through cooling water tank (1) and extends to inside cooling water tank (1), the support (6) is provided between inlet tube (5) and the top of cooling water tank (1), the other side of circulating pump (7) is provided with connecting pipe (9), cooling water tank (1) with converter main part (8) between being provided with first backflow pipe (14) and second backflow pipe (15), first backflow pipe (14) and second backflow pipe (15) inside are provided with filter assembly.

2. A device for lowering the temperature of a converter in a sulfuric acid production system according to claim 1, characterized in that The connecting port (101) on one side of the annular installation pipe (10) at the top of the converter main body (8) is connected to the connecting pipe (9), the connecting port (101) on one side of the annular installation pipe (10) at the bottom of the converter main body (8) is connected to the first backflow pipe (14), and the circulating pipes (12) are arranged between the annular installation pipes (10).

3. A device for lowering the temperature of a converter in a sulfuric acid production system according to claim 1, characterized in that, The filter assembly includes a connecting flange (17) arranged on the side walls of the first backflow pipe (14) and the second backflow pipe (15), two connecting flanges (17) are in contact with each other, a plurality of fixing screws (18) are arranged between the two connecting flanges (17), and each fixing screw (18) is provided with a nut (19).

4. A device for lowering the temperature of a converter in a sulfuric acid production system according to claim 1, characterized in that, The filter assembly further includes a filter core (20) arranged in the first backflow pipe (14) and the second backflow pipe (15), one end of the filter core (20) is provided with a sealing plate, the sealing plate passes through the first backflow pipe (14) or the second backflow pipe (15), and one side of the sealing plate is provided with a pull ring (21).

5. A device for lowering the temperature of a converter in a sulfuric acid production system according to claim 4, characterized in that The second backflow pipe (15) is provided with a one-way valve (16) for preventing the backflow of cooling water in the cooling water tank (1).

6. A device for lowering the temperature of a converter in a sulfuric acid production system according to claim 1, characterized in that, The inner side of the annular installation pipe (10) is provided with a plurality of contact holes (13).

Images