CN219209876U - Synthetic ammonia heat transfer device - Google Patents

Abstract

The utility model relates to the technical field of heat exchange of synthetic ammonia and discloses a synthetic ammonia heat exchange device, which comprises a reaction kettle, wherein a cooling sleeve is sleeved at the outer end of the reaction kettle, a cooling box is arranged at one side of the cooling sleeve, a sealing cover is arranged at the upper end cover of the reaction kettle, an air outlet pipe is fixedly connected to the upper end of the sealing cover, an air pipe is fixedly connected to the upper end of the air outlet pipe, a water tank is arranged at one side of the reaction kettle, a heat exchange pipe is fixedly arranged in the water tank, the air pipe is led into the water tank and is communicated with the heat exchange pipe, the cooling sleeve comprises a water cooling sleeve and a heat conducting plate, the heat conducting plate is fixedly connected with the water cooling sleeve, and the heat conducting plate is fixedly sleeved at the outer end of the reaction kettle. According to the utility model, the waste gas heat can be utilized to supply heat, the waste of heat is reduced while the waste gas is cooled, the energy is saved, the environment is protected, the circulation heat dissipation of the cooling liquid can be completed, and the cooling efficiency is high.

Description

Synthetic ammonia heat transfer device

Technical Field

The utility model relates to the technical field of heat exchange of synthetic ammonia, in particular to a heat exchange device of synthetic ammonia.

Background

The synthetic ammonia is ammonia directly synthesized by nitrogen and hydrogen under high temperature and high pressure in the presence of a catalyst, and is a basic inorganic chemical process. In the modern chemical industry, ammonia is the main raw material in the fertilizer industry and in the basic organic chemical industry.

The reaction is exothermic and reversible, the temperature in the reaction kettle can be continuously increased in the process of synthesizing ammonia, and the chemical reaction rate can be accelerated to a certain extent by increasing the temperature, however, the reversible reaction can be reversely carried out due to the fact that the reaction is exothermic and the temperature is too high, so that the generation of ammonia is not facilitated, and the temperature in the reaction kettle needs to be cooled when the reaction temperature is too high.

At present, cooling liquid is directly adopted to cool the shell of the reaction kettle, so that waste heat is difficult to fully utilize by adopting the method for cooling, and waste heat is wasted. Accordingly, one skilled in the art would be able to provide a synthetic ammonia heat exchange device that solves the problems set forth in the background art above.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the synthetic ammonia heat exchange device which can utilize the heat of waste gas to supply heat, reduce the waste of heat while cooling the waste gas, is more energy-saving and environment-friendly, can complete the circulating heat dissipation of cooling liquid and has high cooling efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a synthetic ammonia heat transfer device, includes the reation kettle, the outer pot head of reation kettle is equipped with the cooling jacket, one side of cooling jacket is provided with the cooler bin, the upper end cover of reation kettle is equipped with sealed lid, the upper end fixedly connected with outlet duct of sealed lid, outlet duct upper end fixedly connected with gas-supply pipe, one side of reation kettle is provided with the water tank, the inside of water tank is fixedly provided with the heat exchange tube, the gas-supply pipe lets in the water tank inside and communicates with the heat exchange tube;

the cooling jacket comprises a water cooling jacket and a heat conducting plate, the heat conducting plate is fixedly connected with the water cooling jacket, the heat conducting plate is fixedly sleeved at the outer end of the reaction kettle, and a spiral guide plate surrounding the reaction kettle is fixedly arranged in the water cooling jacket;

through above-mentioned technical scheme, the heat exchange tube in the steam entering water tank heats water in the water tank, utilizes waste gas heat supply, can with also reduced thermal waste when cooling waste gas, cooler bin, circulating pump, the cooling jacket of setting can accomplish the circulation heat dissipation of coolant liquid to the efficient dispels the heat to reation kettle, is provided with the spiral guide plate in the inside of cooling jacket simultaneously, can fully with reation kettle contact absorption heat after the coolant liquid gets into in the cooling jacket.

Further, a first cooling pipe and a second cooling pipe are fixedly connected between the cooling box and the cooling sleeve, and a circulating pump is fixedly arranged at the outer end of the second cooling pipe;

through the technical scheme, the circulating pump pumps the cooling liquid in the cooling box into the cooling sleeve through the second cooling pipe, and then the cooling liquid absorbs heat and returns into the cooling box through the first cooling pipe, so that cooling liquid circulation is completed.

Further, a fan is arranged on one side of the air pipe, and the output end of the fan is communicated with the air pipe;

through above-mentioned technical scheme, the fan is convenient for derive reation kettle's steam.

Further, a thermocouple is fixedly arranged on one side of the upper end of the sealing cover, and the detection end of the thermocouple is led into the reaction kettle;

through the technical scheme, the thermocouple can measure the temperature inside the reaction kettle.

Further, the upper side and the lower side of the water tank are respectively and fixedly connected with a water inlet pipe and a water outlet pipe, and the outer ends of the water inlet pipe and the water outlet pipe are fixedly provided with stop valves;

through above-mentioned technical scheme, set up inlet tube and outlet pipe and be convenient for water tank waterproof and moisturizing.

Further, the outer end of the air outlet pipe is fixedly provided with a ventilation valve and a one-way valve respectively;

through above-mentioned technical scheme, the breather valve is used for controlling the discharge of steam, and the check valve can place the steam backward flow.

Further, the air outlet end of the heat exchange tube is fixedly connected with an exhaust pipe;

through the technical scheme, the cooled hot gas is discharged through the exhaust pipe.

Further, the heat exchange tube is spiral;

through above-mentioned technical scheme, the area of contact of heliciform heat exchange tube and water in the water tank is big, can improve the heat transfer effect.

The utility model has the following beneficial effects:

1. when the synthetic ammonia heat exchange device is used, by arranging the gas transmission pipe, the water tank and the heat exchange pipe, redundant hot gas can be led out when ammonia is synthesized, and is led into the heat exchange pipe in the water tank to heat water in the water tank, heat is supplied by using the heat of waste gas, the waste of heat is reduced while the waste gas is cooled, and the synthetic ammonia heat exchange device is more energy-saving and environment-friendly.

2. When the synthetic ammonia heat exchange device is used, the cooling tank, the circulating pump and the cooling sleeve are arranged, so that the cooling liquid can be circulated and radiated, the reaction kettle can be radiated efficiently, the spiral guide plate is arranged in the cooling sleeve, and the cooling liquid can be fully contacted with the reaction kettle to absorb heat after entering the cooling sleeve, so that the cooling efficiency is high.

Drawings

FIG. 1 is a schematic diagram of a layout structure of a heat exchange device for ammonia synthesis according to the present utility model;

FIG. 2 is a schematic diagram of a cooling jacket of a synthetic ammonia heat exchange device according to the present utility model;

FIG. 3 is a schematic diagram of the internal structure of a water tank of a synthetic ammonia heat exchanger according to the present utility model;

fig. 4 is an enlarged view at a in fig. 1.

Legend description:

1. a reaction kettle; 2. a cooling jacket; 3. a cooling box; 4. a first cooling tube; 5. a second cooling tube; 6. a circulation pump; 7. sealing cover; 8. an air outlet pipe; 9. a gas pipe; 10. a water tank; 11. a heat exchange tube; 12. a water cooling jacket; 13. a spiral deflector; 14. a heat conductive plate; 15. a water inlet pipe; 16. a water outlet pipe; 17. a stop valve; 18. an exhaust pipe; 19. a blower; 20. a thermocouple; 21. a vent valve; 22. a one-way valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a synthetic ammonia heat transfer device, including reation kettle 1, reation kettle 1's outer pot head is equipped with cooling jacket 2, and one side of cooling jacket 2 is provided with cooling tank 3, and reation kettle 1's upper end cover is equipped with sealed lid 7, and sealed lid 7's upper end fixedly connected with outlet duct 8, outlet duct 8 upper end fixedly connected with gas-supply pipe 9, reation kettle 1's one side is provided with water tank 10, and water tank 10's inside is fixedly provided with heat exchange tube 11, and gas-supply pipe 9 lets in inside water tank 10 and communicates with heat exchange tube 11.

The cooling jacket 2 comprises a water cooling jacket 12 and a heat conducting plate 14, wherein the heat conducting plate 14 is fixedly connected with the water cooling jacket 12, the heat conducting plate 14 is fixedly sleeved at the outer ends of the reaction kettle 1, and a spiral guide plate 13 surrounding the reaction kettle 1 is fixedly arranged in the water cooling jacket 12.

The cooling box 3 and the cooling jacket 2 between fixedly connected with first cooling tube 4 and second cooling tube 5, the outer end of second cooling tube 5 is fixedly provided with circulating pump 6, circulating pump 6 is with the inside coolant liquid of cooling box 3 through second cooling tube 5 pump in cooling jacket 2, afterwards, the coolant liquid absorbs heat and returns in the cooling box 3 by first cooling tube 4, thereby accomplish the coolant liquid circulation, one side of gas-supply pipe 9 is provided with fan 19, the output and the gas-supply pipe 9 intercommunication of fan 19, fan 19 is convenient for derive reation kettle 1's steam, the fixed thermocouple 20 that is provided with in upper end one side of sealed lid 7, thermocouple 20's detection end lets in reation kettle 1 inside, thermocouple 20 can measure reation kettle 1 inside temperature, the upper and lower both sides of water tank 10 are fixedly connected with inlet tube 15 and outlet pipe 16 respectively, the outer end of inlet tube 15 and outlet pipe 16 is all fixedly provided with stop valve 17, set up inlet tube 15 and outlet pipe 16 and be convenient for water tank 10 waterproof and make-up water, the outer end of steam 8 is fixedly provided with vent valve 21 and check valve 22 respectively, the discharge that check valve 21 is used for controlling the discharge of steam, check valve 21 is used for controlling, check valve 22 places the tip and is capable of being connected with the heat exchange tube 11 through the spiral heat exchange tube 11, the heat exchange tube is of the form is of taking shape, the heat exchange tube is of the form, the heat exchange tube is of the spiral heat exchange tube is of the big, the back is equipped with the heat, and the heat exchange tube is equipped with the heat, and has a heat exchange tube has a large-exchange tube has, and has a heat exchange tube has and has a heat exchange device.

Working principle: when the cooling device is used, the temperature in the reaction kettle 1 is overhigh, the ventilation valve 21 is opened, the fan 19 is started, hot gas in the reaction kettle 1 can be introduced into the heat exchange tube 11 in the water tank 10 through the gas transmission tube 9, hot water heating is performed by utilizing waste gas waste heat, meanwhile, the circulating pump 6 is started, the circulating pump 6 pumps cooling liquid in the cooling box 3 into the cooling sleeve 2 through the second cooling tube 5, then the cooling liquid absorbs heat to return to the cooling box 3 through the first cooling tube 4, so that cooling liquid circulation is completed, meanwhile, the spiral guide plate 13 is arranged in the cooling sleeve 2, and the cooling liquid can fully contact with the reaction kettle 1 to absorb heat after entering the cooling sleeve 2, so that the cooling efficiency is high.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a synthetic ammonia heat transfer device, includes reation kettle (1), its characterized in that: the cooling device is characterized in that a cooling sleeve (2) is sleeved at the outer end of the reaction kettle (1), a cooling box (3) is arranged at one side of the cooling sleeve (2), a sealing cover (7) is arranged at the upper end cover of the reaction kettle (1), an air outlet pipe (8) is fixedly connected to the upper end of the sealing cover (7), an air pipe (9) is fixedly connected to the upper end of the air outlet pipe (8), a water tank (10) is arranged at one side of the reaction kettle (1), a heat exchange pipe (11) is fixedly arranged in the water tank (10), and the air pipe (9) is led into the water tank (10) and is communicated with the heat exchange pipe (11);

the cooling jacket (2) comprises a water cooling jacket (12) and a heat conducting plate (14), wherein the heat conducting plate (14) is fixedly connected with the water cooling jacket (12), the heat conducting plate (14) is fixedly sleeved at the outer end of the reaction kettle (1), and a spiral guide plate (13) surrounding the reaction kettle (1) is fixedly arranged in the water cooling jacket (12).

2. A synthetic ammonia heat exchange device according to claim 1 wherein: a first cooling pipe (4) and a second cooling pipe (5) are fixedly connected between the cooling box (3) and the cooling sleeve (2), and a circulating pump (6) is fixedly arranged at the outer end of the second cooling pipe (5).

3. A synthetic ammonia heat exchange device according to claim 1 wherein: one side of the air pipe (9) is provided with a fan (19), and the output end of the fan (19) is communicated with the air pipe (9).

4. A synthetic ammonia heat exchange device according to claim 1 wherein: a thermocouple (20) is fixedly arranged on one side of the upper end of the sealing cover (7), and the detection end of the thermocouple (20) is led into the reaction kettle (1).

5. A synthetic ammonia heat exchange device according to claim 1 wherein: the water tank is characterized in that the upper side and the lower side of the water tank (10) are fixedly connected with a water inlet pipe (15) and a water outlet pipe (16) respectively, and stop valves (17) are fixedly arranged at the outer ends of the water inlet pipe (15) and the water outlet pipe (16).

6. A synthetic ammonia heat exchange device according to claim 1 wherein: the outer end of the air outlet pipe (8) is fixedly provided with a ventilation valve (21) and a one-way valve (22) respectively.

7. A synthetic ammonia heat exchange device according to claim 1 wherein: the air outlet end of the heat exchange tube (11) is fixedly connected with an exhaust tube (18).

8. A synthetic ammonia heat exchange device according to claim 1 wherein: the heat exchange tube (11) is spiral.

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