High-purity and high-yield nitrogen generation device

Abstract

The utility model discloses a high-purity high-yield nitrogen making device, which relates to the technical field of nitrogen making and comprises an air compression module, the bottom of the air compression module is communicated and connected with an air pretreatment module, the air pretreatment module is provided with a control system module, and one side of the bottom of the air pretreatment module is communicated and connected with a separation module. All the modules are mutually connected and cooperatively run through pipelines and the control system, the air compression module provides clean compressed air, the pretreatment module further purifies the compressed air, the separation module efficiently separates high-purity nitrogen, the storage and supply module stably supplies air, and the control system ensures automation and high efficiency of the whole process. The whole device has the advantages of high efficiency, energy conservation, high automation degree and the like, can stably provide high-purity nitrogen, and meets various high-standard application requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen production, in particular to a nitrogen production device with high purity and high output. Background Art

[0002] Many chemical production processes require high-purity nitrogen as a protective gas or inert gas to avoid oxidation reactions. For example, nitrogen is required as a raw material in the production of synthetic ammonia; in metal heat treatment and metallurgy processes, nitrogen is used for protection and purging to prevent oxidation and nitridation; oil and gas: in oilfield development and natural gas processing, nitrogen is used for pressure maintenance and pipeline cleaning.

[0003] The production process of nitrogen needs to consider environmental protection requirements and reduce the emission of harmful gases. To meet the demand for high-purity nitrogen in all walks of life and comply with the requirements of modern industry for environmental protection and energy conservation, a nitrogen production device with high purity and high output is proposed. Summary of the Utility Model

[0004] To solve the above technical problems, the technical solution adopted by the utility model is: a nitrogen production device with high purity and high output, including an air compression module, the bottom of the air compression module is connected in a through manner with an air pretreatment module, a control system module is arranged on the air pretreatment module, one side of the bottom of the air pretreatment module is connected in a through manner with a separation module, and one side of the separation module is connected in a through manner with a nitrogen storage module.

[0005] The further improvement of the technical solution of the utility model lies in that: the control system module is used to control the overall operation of the nitrogen production device with high purity and high output.

[0006] The further improvement of the technical solution of the utility model lies in that: the air compression module includes an air compression mechanism, the bottom of the air compression mechanism is connected in a through manner with a filtering component, a dryer is arranged below the filtering component, and the air compression module is output-connected to the air pretreatment module through the dryer.

[0007] The further improvement of the technical solution of the utility model lies in that: the air pretreatment module includes a freeze-drying mechanism, the freeze-drying mechanism is connected in a through manner with an oil removal mechanism, and the output of the oil removal mechanism is connected to a dust removal mechanism.

[0008] The further improvement of the technical solution of the utility model lies in that: the air pretreatment module is connected to the separation module through the dust removal mechanism.

[0009] The further improvement of the technical solution of the utility model lies in that: the separation module includes a molecular sieve adsorption tower, an oxygen discharge component is arranged inside the molecular sieve adsorption tower, a control valve is arranged on the molecular sieve adsorption tower, and the molecular sieve adsorption tower is connected in a through manner with the nitrogen storage module through the oxygen discharge component.

[0010] A further improvement of the technical solution of the present utility model lies in that: the nitrogen storage module includes a nitrogen storage tank, the nitrogen storage tank is connected in a through manner with an output pipeline, and a pressure regulating valve is arranged on the output pipeline.

[0011] A further improvement of the technical solution of the present utility model lies in that: a human-machine interface and a PLC controller are arranged on the control system module, and sensors are arranged inside the control system module.

[0012] Due to the adoption of the above technical solution, the technical progress achieved by the present utility model compared with the prior art is as follows: The present utility model provides a nitrogen production device with high purity and high output. The control system module is used to control the overall operation of the nitrogen production device with high purity and high output. The PLC controller of the control system module is a programmable logic controller, which manages the operation of the entire device. A plurality of sensors are arranged inside the control system module to detect parameters such as pressure, temperature, and flow rate of each link of the nitrogen production device. The human-machine interface facilitates personnel operation and monitoring interface, conducts human-machine interaction and parameter adjustment, realizes automatic control, improves the convenience and safety of operation, ensures the stability and efficiency of the production process. The air compression module first compresses the air, compresses the ambient air to the required pressure, increases the gas density, and then removes the solid particulate matter in the air through the filtering component. The dryer further reduces the air humidity, removes impurities and moisture, and provides clean and dry compressed air to avoid the influence of moisture on the subsequent process.

[0013] The present utility model provides a nitrogen production device with high purity and high output. The air pretreatment module further purifies the compressed air, reduces the influence of impurities on the separation materials and equipment, and prolongs the service life of the equipment. The moisture in the air is condensed and discharged by cooling through the freeze-drying mechanism, and the moisture in the air is further removed. Then, the oil in the compressed air is removed through the oil removal mechanism, and finally, the fine solid particles are removed through the dust removal mechanism. The oil removal mechanism and the dust removal mechanism further purify the air to ensure the air quality entering the separation module. The molecular sieve adsorption tower is an adsorption material filled with molecular sieve. By using the adsorption capacity of the molecular sieve in the adsorption tower for oxygen under high pressure, oxygen is separated from the air, and the adsorbed oxygen is released at low pressure to form high-purity nitrogen. During this process, the air inlet and outlet and the pressure change are controlled by the control valve, and the separated oxygen and other impurity gases are discharged through the oxygen discharge component to achieve efficient separation and obtain high-purity nitrogen.

[0014] The utility model provides a nitrogen production device with high purity and high output. The nitrogen storage module provides a stable and continuous supply of high-purity nitrogen to meet production or application requirements. The nitrogen storage tank stores the nitrogen produced by the device, and the nitrogen is transported to the use point through an output pipeline. The output pipeline adjusts the nitrogen output pressure through a pressure regulating valve. The whole device has the advantages of high efficiency, energy saving, and high automation degree, and can stably provide high-purity nitrogen to meet various high-standard application requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the high-purity and high-output nitrogen production device of the present utility model;

[0016] Figure 2 It is a schematic structural diagram of the air compression module of the present utility model;

[0017] Figure 3 It is a schematic structural diagram of a part of the high-purity and high-output nitrogen production device of the present utility model;

[0018] Figure 4 It is a schematic structural diagram of the separation module of the present utility model;

[0019] Figure 5 It is a schematic structural diagram of the nitrogen storage module of the present utility model.

[0020] In the figure: 1. Air compression module; 2. Air pretreatment module; 3. Separation module; 4. Nitrogen storage module; 5. Control system module; 11. Air compression mechanism; 12. Filter assembly; 13. Dryer; 21. Refrigerated dryer mechanism; 22. Oil removal mechanism; 23. Dust removal mechanism; 31. Control valve; 32. Oxygen discharge assembly; 33. Molecular sieve adsorption tower; 41. Nitrogen storage tank; 42. Pressure regulating valve; 43. Output pipeline; 51. Human-machine interface; 52. PLC controller; 53. Sensor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following further describes the present utility model in detail with reference to the embodiments: Embodiment 1

[0022] As Figures 1-5 shown, the present utility model provides a high-purity and high-output nitrogen production device, including an air compression module 1. The bottom of the air compression module 1 is connected through and communicated with an air pretreatment module 2. A control system module 5 is arranged on the air pretreatment module 2. One side of the bottom of the air pretreatment module 2 is connected through and communicated with a separation module 3. One side of the separation module 3 is connected through and communicated with a nitrogen storage module 4. Embodiment 2

[0023] As Figure 3As shown, based on Embodiment 1, the present utility model provides a technical solution: Preferably, the control system module 5 is used to control the overall operation of the high-purity and high-yield nitrogen production device. A human-machine interface 51 and a PLC controller 52 are provided on the control system module 5, and sensors 53 are arranged inside the control system module 5.

[0024] In this embodiment, the control system module 5 is used to control the overall operation of the high-purity and high-yield nitrogen production device. The PLC controller 52 of the control system module 5 is a programmable logic controller, which manages the operation of the entire device. A plurality of sensors 53 are arranged inside the control system module 5 to detect parameters such as pressure, temperature, and flow rate of each link of the nitrogen production device. The human-machine interface 51 facilitates personnel operation and monitoring interface, conducts human-machine interaction and parameter adjustment, realizes automatic control, improves the convenience and safety of operation, and ensures the stability and efficiency of the production process. Embodiment 3

[0025] As Figure 2 shown, based on Embodiment 1, the present utility model provides a technical solution: Preferably, the air compression module 1 includes an air compression mechanism 11. A filtering component 12 is connected through the bottom of the air compression mechanism 11. A dryer 13 is arranged below the filtering component 12. The air compression module 1 is output-connected to the air pretreatment module 2 through the dryer 13.

[0026] In this embodiment, the air compression module 1 first compresses the air, compresses the ambient air to the required pressure, increases the gas density, and then removes the solid particulate matter in the air through the filtering component 12. The dryer 13 further reduces the air humidity, removes impurities and moisture, and provides clean and dry compressed air to avoid the influence of moisture on the subsequent process. Embodiment 4

[0027] As Figure 3 shown, based on Embodiment 1, the present utility model provides a technical solution: Preferably, the air pretreatment module 2 includes a freeze-drying mechanism 21. An oil removal mechanism 22 is connected through the freeze-drying mechanism 21. The oil removal mechanism 22 is output-connected to a dust removal mechanism 23. The air pretreatment module 2 is connected to the separation module 3 through the dust removal mechanism 23.

[0028] In this embodiment, the air pretreatment module 2 further purifies the compressed air, reduces the influence of impurities on the separation materials and equipment, and extends the service life of the equipment. The freeze-drying mechanism 21 cools down to condense and discharge the moisture in the air, further removing the moisture in the air. Then, the oil removal mechanism 22 removes the oil in the compressed air. Finally, the dust removal mechanism 23 removes the fine solid particles. The oil removal mechanism 22 and the dust removal mechanism 23 further purify the air to ensure the air quality entering the separation module 3. Embodiment 5

[0029] As Figure 4 shown, based on Embodiment 1, the present utility model provides a technical solution: Preferably, the separation module 3 includes a molecular sieve adsorption tower 33. An oxygen discharge assembly 32 is arranged inside the molecular sieve adsorption tower 33. A control valve 31 is arranged on the molecular sieve adsorption tower 33. The molecular sieve adsorption tower 33 is connected to the nitrogen storage module 4 through the oxygen discharge assembly 32 in a through manner.

[0030] In this embodiment, the molecular sieve adsorption tower 33 is filled with a molecular sieve adsorption material. By utilizing the adsorption capacity of the molecular sieve in the adsorption tower for oxygen under high pressure, oxygen is separated from the air, and the adsorbed oxygen is released at low pressure to form high-purity nitrogen. During this process, the control valve 31 is used to control the inlet and outlet of air and the pressure change, and the separated oxygen and other impurity gases are discharged through the oxygen discharge assembly 32 to achieve efficient separation and obtain high-purity nitrogen. Embodiment 6

[0031] As Figure 5 shown, based on Embodiment 1, the present utility model provides a technical solution: Preferably, the nitrogen storage module 4 includes a nitrogen storage tank 41. The nitrogen storage tank 41 is connected to an output pipeline 43 in a through manner. A pressure regulating valve 42 is arranged on the output pipeline 43.

[0032] In this embodiment, the nitrogen storage module 4 provides a stable and continuous supply of high-purity nitrogen to meet the production or application requirements. The nitrogen storage tank 41 stores the nitrogen produced by the device, and the nitrogen is transported to the use point through the output pipeline 43. The output pipeline 43 adjusts the nitrogen output pressure through the pressure regulating valve 42. The whole device has the advantages of high efficiency, energy saving, and high automation degree, and can stably provide high-purity nitrogen to meet various high-standard application requirements.

[0033] Next, the working principle of the high-purity and high-yield nitrogen production device will be specifically described.

[0034] As Figures 1-5As shown in the figure, the control system module 5 is used to control the overall operation of the high-purity and high-yield nitrogen production device. The PLC controller 52 of the control system module 5, i.e., the programmable logic controller, manages the operation of the entire device. A plurality of sensors 53 are arranged inside the control system module 5 to detect parameters such as pressure, temperature, and flow rate of each link of the nitrogen production device. The human-machine interface 51 facilitates personnel operation and monitoring interface, enabling human-machine interaction and parameter adjustment, realizing automatic control, improving the convenience and safety of operation, ensuring the stability and efficiency of the production process. The air compression module 1 first compresses the air, compressing the ambient air to the required pressure to increase the gas density. Then, the solid particulate matter in the air is removed through the filter component 12. The dryer 13 further reduces the air humidity, removing impurities and moisture, providing clean and dry compressed air, and avoiding the influence of moisture on the subsequent process. The air pretreatment module 2 further purifies the compressed air, reducing the influence of impurities on the separation materials and equipment, and extending the service life of the equipment. The moisture in the air is condensed and discharged by the freeze-drying mechanism 21 to further remove the moisture in the air. Then, the oil in the compressed air is removed through the oil removal mechanism 22. Finally, the fine solid particles are removed through the dust removal mechanism 23. The oil removal mechanism 22 and the dust removal mechanism 23 further purify the air to ensure the air quality entering the separation module 3. The molecular sieve adsorption tower 33 is filled with molecular sieve adsorption materials. Using the adsorption capacity of the molecular sieve in the adsorption tower for oxygen under high pressure, oxygen is separated from the air, and the adsorbed oxygen is released at low pressure to form high-purity nitrogen. During this process, the control valve 31 is used to control the air inlet and outlet and the pressure change, and the separated oxygen and other impurity gases are discharged through the oxygen discharge component 32 to achieve efficient separation and obtain high-purity nitrogen. The nitrogen storage module 4 provides a stable and continuous supply of high-purity nitrogen to meet the production or application requirements. The nitrogen storage tank 41 stores the nitrogen produced by the device, and the nitrogen is transported to the use point through the output pipeline 43. The output pipeline 43 adjusts the nitrogen output pressure through the pressure regulating valve 42. The entire device has the advantages of high efficiency, energy saving, and high degree of automation, and can stably provide high-purity nitrogen to meet the requirements of various high-standard applications.

[0035] The above text generally describes the present invention in detail. However, based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the art. Therefore, the modifications or improvements made without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A high-purity and high-yield nitrogen production device, comprising an air compression module (1), characterized in that: The bottom of the air compression module (1) is connected through an air pretreatment module (2), a control system module (5) is arranged on the air pretreatment module (2), one side of the bottom of the air pretreatment module (2) is connected through a separation module (3), and one side of the separation module (3) is connected through a nitrogen storage module (4).

2. The high-purity and high-yield nitrogen production device according to claim 1, characterized in that: The control system module (5) is used to control the overall operation of the high-purity and high-yield nitrogen production device.

3. The high-purity and high-yield nitrogen production device according to claim 1, characterized in that: The air compression module (1) comprises an air compression mechanism (11), the bottom of the air compression mechanism (11) is connected through a filter assembly (12), a dryer (13) is arranged below the filter assembly (12), and the air compression module (1) is connected to the output of the air pretreatment module (2) via the dryer (13).

4. The high-purity and high-yield nitrogen production device according to claim 1, characterized in that: The air pretreatment module (2) comprises a freeze drying mechanism (21), the freeze drying mechanism (21) is connected through an oil removal mechanism (22), and the output of the oil removal mechanism (22) is connected to a dust removal mechanism (23).

5. The high-purity and high-yield nitrogen production device according to claim 4, characterized in that: The air pre-treatment module (2) is connected to the separation module (3) via a dust removal mechanism (23).

6. The high-purity and high-yield nitrogen production device according to claim 1, characterized in that: The separation module (3) comprises a molecular sieve adsorption tower (33), an oxygen discharge component (32) is arranged inside the molecular sieve adsorption tower (33), a control valve (31) is arranged on the molecular sieve adsorption tower (33), and the molecular sieve adsorption tower (33) is connected to the nitrogen storage module (4) via the oxygen discharge component (32).

7. The high-purity and high-yield nitrogen production device according to claim 1, characterized in that: The nitrogen storage module (4) comprises a nitrogen storage tank (41), the nitrogen storage tank (41) is connected through an output pipeline (43), and the output pipeline (43) is provided with a pressure regulating valve (42).

8. The high-purity and high-yield nitrogen production device according to claim 1, characterized in that: The control system module (5) is provided with a human-machine interface (51) and a PLC controller (52), and a sensor (53) is provided inside the control system module (5).

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