Nitrogen preheating structure

Abstract

The utility model relates to the technical field of nitrogen preheating, and discloses a nitrogen preheating structure which comprises a base, a preheating box fixedly mounted on the upper surface of the base, a heating box fixedly mounted on the upper surface of the base, two heaters fixedly mounted on the upper surface of the heating box, and a circulating heating mechanism arranged on the heating box, the heating box is arranged on the base, the circulating heating mechanism is used for circulating and reusing a heating water source and comprises a water pump, the water pump is fixedly installed on the upper surface of the heating box, the preheating mechanism is arranged in the base and used for preheating nitrogen, the preheating mechanism comprises a motor, and the motor is fixedly installed in the inner wall of the base. Water can be heated and then input into the preheating box to conduct heat exchange on nitrogen, the temperature during nitrogen preheating can be controlled by accurately controlling the temperature of the water, the heated water can be recycled through the water pump and the circulating pipeline, resource waste is reduced, and more convenience is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen preheating, in particular to a nitrogen preheating structure. Background Art

[0002] In the production process of n-butane, nitrogen is a very important raw material as a protective gas. Nitrogen needs to be heated and preheated before use to reach the specified temperature. The existing air heating device generally adopts a horizontal tank body with an electric heater inside. One side of the tank body is a nitrogen inlet pipe and the other end is a nitrogen outlet pipe. Nitrogen flows horizontally through the tank body to exchange heat with the electric heater.

[0003] Since the temperature around the electric heater is very high, the specific temperature of the heated nitrogen cannot be controlled, resulting in the inability of the existing nitrogen preheating device to accurately control the temperature of the nitrogen after preheating, thereby failing to achieve the function of preheating the nitrogen to a specified temperature. In view of this, a nitrogen preheating structure is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a nitrogen preheating structure, which has the advantages of preheating nitrogen and recycling heating water, and solves the problem that nitrogen heating is difficult to control.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of preheating nitrogen and recycling the heated water, the utility model provides the following technical solutions: a nitrogen preheating structure, comprising a base, a preheating box is fixedly installed on the upper surface of the base, a heating box is fixedly installed on the upper surface of the base, and two heaters are fixedly installed on the upper surface of the heating box;

[0008] A circulating heating mechanism, which is arranged on the heating box and is used for recycling the heating water source. The circulating heating mechanism includes a water pump, which is fixedly mounted on the upper surface of the heating box;

[0009] The preheating mechanism is arranged in the base and is used for preheating nitrogen. The preheating mechanism comprises a motor, and the motor is fixedly installed in the inner wall of the base.

[0010] Preferably, the circulating heating mechanism further comprises a water pumping pipe, the input end of the water pumping pipe is arranged in the heating box, and the output end of the water pumping pipe is connected to a water pump.

[0011] Preferably, the circulating heating mechanism further comprises a water pipe, the output end of the water pipe is arranged in the preheating box, and the input end of the water pipe is connected to a water pump.

[0012] Preferably, the circulation heating mechanism further comprises a circulation pipe, which is fixedly mounted on the left surface of the preheating box, and the output end of the circulation pipe is connected to the heating box.

[0013] Preferably, the preheating mechanism also includes a first pulley, a belt and a second pulley, the first pulley is fixedly sleeved on the outer surface of the motor output shaft, the belt is transmission connected to the outer surface of the first pulley, and the second pulley is transmission connected to the inner surface of the belt.

[0014] Preferably, the preheating mechanism further comprises a transmission shaft and a impeller, the transmission shaft is fixedly sleeved on the inner surface of the second pulley, and the upper end of the transmission shaft penetrates into the preheating box, and the impeller is fixedly sleeved on the outer surface of the transmission shaft.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a nitrogen preheating structure, which has the following beneficial effects:

[0017] 1. The nitrogen preheating structure can heat the nitrogen by heating the water and then inputting it into the preheating box. The temperature of the nitrogen preheating can be controlled by accurately controlling the temperature of the water. The heated water can be recycled through a water pump and a circulating pipe, which reduces resource waste and is more convenient.

[0018] 2. The nitrogen preheating structure drives the impeller to rotate through the second pulley, which can make the heating water in the preheating box shake, so that it can fully contact the nitrogen preheating pipe to preheat the nitrogen therein, thereby improving the heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of a nitrogen preheating structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the heating box of the utility model;

[0021] Figure 3 It is a schematic diagram of the internal structure of the base of the utility model.

[0022] In the figure: 1. base; 2. preheating box; 3. heating box; 4. heater; 5. water pump; 6. water suction pipe; 7. water delivery pipe; 8. motor; 9. first pulley; 10. belt; 11. second pulley; 12. transmission shaft; 13. impeller; 14. nitrogen preheating pipe; 15. circulation pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 The utility model provides a new technical solution: a nitrogen preheating structure, comprising a base 1, a preheating box 2 is fixedly installed on the upper surface of the base 1, a heating box 3 is fixedly installed on the upper surface of the base 1, and two heaters 4 are fixedly installed on the upper surface of the heating box 3;

[0025] A circulating heating mechanism, which is arranged on the heating box 3 and is used for recycling the heating water source, and comprises a water pump 5, which is fixedly mounted on the upper surface of the heating box 3;

[0026] A preheating mechanism is disposed in the base 1 . The preheating mechanism is used to preheat nitrogen. The preheating mechanism includes a motor 8 . The motor 8 is fixedly mounted in the inner wall of the base 1 .

[0027] Furthermore, the circulating heating mechanism also includes a water pumping pipe 6 , an input end of the water pumping pipe 6 is arranged in the heating box 3 , and an output end of the water pumping pipe 6 is connected to the water pump 5 .

[0028] Furthermore, the circulating heating mechanism also includes a water pipe 7 , the output end of the water pipe 7 is arranged in the preheating box 2 , and the input end of the water pipe 7 is connected to the water pump 5 .

[0029] Furthermore, the circulating heating mechanism also includes a circulating pipe 15 , which is fixedly installed on the left surface of the preheating box 2 , and the output end of the circulating pipe 15 is connected to the heating box 3 .

[0030] Furthermore, the preheating mechanism also includes a first pulley 9, a belt 10 and a second pulley 11. The first pulley 9 is fixedly mounted on the outer surface of the output shaft of the motor 8, the belt 10 is transmission connected to the outer surface of the first pulley 9, and the second pulley 11 is transmission connected to the inner surface of the belt 10.

[0031] Furthermore, the preheating mechanism also includes a transmission shaft 12 and a pulse wheel 13. The transmission shaft 12 is fixedly sleeved on the inner surface of the second pulley 11, and the upper end of the transmission shaft 12 passes through the preheating box 2. The pulse wheel 13 is fixedly sleeved on the outer surface of the transmission shaft 12. When the nitrogen preheating structure is in use, the water in the heating box 3 can be heated by the two heaters 4. At this time, by starting the water pump 5, the water pump 5 transports the heated water to the preheating box 2 through the water pumping pipe 6 and the water delivery pipe 7, and heat is exchanged with the nitrogen in the nitrogen pipeline 14. The water will enter the heating box 3 again through the circulation pipeline for recycling. During heat exchange, the motor 8 can be started. The motor 8 outputs power to the first pulley 9 sleeved on the outer surface of the output shaft through operation, so that it rotates. The first pulley 9 drives the belt 10 connected to the outer surface for transmission to rotate. 10 drives the second pulley 11 connected to the inner surface to rotate, the second pulley 11 drives the transmission shaft 12 fixedly mounted on the inner surface to rotate, and the transmission shaft 12 drives the impeller 13 mounted on the outer surface to rotate, so that the water in the preheating box 2 shakes and fully contacts the nitrogen preheating tube 14, thereby improving the heat exchange efficiency. The nitrogen preheating structure can heat the nitrogen by heating the water and then inputting it into the preheating box 2, and can control the temperature of the nitrogen preheating by accurately controlling the temperature of the water, and the heated water can be recycled through the water pump 5 and the circulation pipeline 15, thereby reducing resource waste and being more convenient. In addition, the nitrogen preheating structure drives the impeller 13 to rotate through the second pulley 11, so that the heated water in the preheating box 2 shakes and fully contacts the nitrogen preheating tube 14 to preheat the nitrogen therein, thereby improving the heat exchange efficiency.

[0032] Working principle: When the nitrogen preheating structure is in use, the water in the heating box 3 can be heated by two heaters 4. At this time, by starting the water pump 5, the water pump 5 transports the heated water to the preheating box 2 through the water pumping pipe 6 and the water delivery pipe 7, and heat is exchanged with the nitrogen in the nitrogen pipeline 14, and the water will enter the heating box 3 again through the circulation pipeline for recycling. During heat exchange, the motor 8 can be started, and the motor 8 outputs power to the first pulley 9 sleeved on the outer surface of the output shaft through operation, so that it rotates. The first pulley 9 drives the belt 10 connected to the outer surface to rotate, and the belt 10 drives the second pulley 11 connected to the inner surface to rotate, and the second pulley 11 drives the transmission shaft 12 fixedly sleeved on the inner surface to rotate, and the transmission shaft 12 drives the impeller 13 sleeved on the outer surface to rotate, so that the water in the preheating box 2 shakes and fully contacts the nitrogen preheating pipe 14, thereby improving the heat exchange efficiency.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nitrogen preheating structure, comprising a base (1), a preheating box (2) fixedly mounted on the upper surface of the base (1), and a heating box (3) fixedly mounted on the upper surface of the base (1), characterized in that: Two heaters (4) are fixedly mounted on the upper surface of the heating box (3); A circulating heating mechanism, the circulating heating mechanism is arranged on the heating box (3), the circulating heating mechanism is used for recycling the heating water source, the circulating heating mechanism comprises a water pump (5), and the water pump (5) is fixedly mounted on the upper surface of the heating box (3); A preheating mechanism is arranged in the base (1) and is used to preheat nitrogen. The preheating mechanism comprises a motor (8) which is fixedly mounted in the inner wall of the base (1).

2. A nitrogen preheating structure according to claim 1, characterized in that: The circulating heating mechanism also includes a water pumping pipe (6), the input end of the water pumping pipe (6) is arranged in the heating box (3), and the output end of the water pumping pipe (6) is connected to the water pump (5).

3. A nitrogen preheating structure according to claim 2, characterized in that: The circulating heating mechanism also includes a water delivery pipe (7), the output end of the water delivery pipe (7) is arranged in the preheating box (2), and the input end of the water delivery pipe (7) is connected to the water pump (5).

4. A nitrogen preheating structure according to claim 3, characterized in that: The circulating heating mechanism also includes a circulating pipe (15), which is fixedly installed on the left surface of the preheating box (2), and the output end of the circulating pipe (15) is connected to the heating box (3).

5. A nitrogen preheating structure according to claim 4, characterized in that: The preheating mechanism further comprises a first pulley (9), a belt (10) and a second pulley (11); the first pulley (9) is fixedly sleeved on the outer surface of the output shaft of the motor (8); the belt (10) is drivingly connected to the outer surface of the first pulley (9); and the second pulley (11) is drivingly connected to the inner surface of the belt (10).

6. A nitrogen preheating structure according to claim 5, characterized in that: The preheating mechanism also includes a transmission shaft (12) and a pulsator (13); the transmission shaft (12) is fixedly sleeved on the inner surface of the second pulley (11), and the upper end of the transmission shaft (12) penetrates into the preheating box (2); the pulsator (13) is fixedly sleeved on the outer surface of the transmission shaft (12).

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