Air separation parallel nitrogen regulation and control assembly

By designing air-divided parallel nitrogen control components, the nitrogen pressure is stabilized by using the gas storage tank and the booster pump, and high-pressure nitrogen is transported through the communication pipe and control valve, the problem of pressure fluctuations in the normal pressure nitrogen main pipe is solved, ensuring the stable operation of the nitrogen compressor .

CN222459214UActive Publication Date: 2025-02-11BAOTOU BAOTOU STEEL YINGDA GAS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420927308.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-02-11
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The pressure of the normal pressure nitrogen gas main pipe fluctuates greatly, resulting in too low nitrogen pressure, affecting the stable operation of the nitrogen compressor.

Method used

Design an air-divided parallel nitrogen regulation component, including a first gas storage tank and a second gas storage tank, input high-pressure nitrogen into the gas storage tank through a booster pump, and deliver high-pressure nitrogen to nitrogen compression through a communication pipe and a control valve. to ensure the stability of nitrogen pressure.

Benefits of technology

It effectively stabilizes the nitrogen pressure input from the atmospheric nitrogen main pipe, ensures the stable operation of the nitrogen compressor, and solves the adverse effects caused by fluctuations in nitrogen pressure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222459214U_ABST
    Figure CN222459214U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of heat exchanger nitrogen regulation, in particular to an air separation parallel nitrogen regulation and control assembly which comprises a first communicating pipe, two holes are formed in the first communicating pipe, branch pipes are welded to the first communicating pipe respectively, and the first communicating pipe is provided with a second control valve and a third control valve through the branch pipes in a communicating mode. A three-way pipe is installed at one end of the first communicating pipe in a communicating mode, and a second communicating pipe is installed at the end, away from the first communicating pipe, of the three-way pipe in a communicating mode; the first gas storage tank is communicated with the first communicating pipe through a third control valve; and the second gas storage tank is communicated with the three-way pipe through a fourth control valve. The problems that the pressure fluctuation of a normal-pressure nitrogen main pipe is large, and the pressure of sucked nitrogen is too low, so that the stable operation of a nitrogen compressor is unfavorably influenced are solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchanger nitrogen regulation, in particular to an air separation parallel nitrogen regulation component. Background Art

[0002] Heat exchangers are commonly used in petrochemical and chemical industries. Their main function is to transfer heat from one medium to another. During the use of heat exchangers, due to the presence of oxygen or other corrosive substances in the medium, it is easy to cause corrosion and oxidation inside the heat exchanger. At this time, nitrogen can be used for the following purposes:

[0003] 1. Protective effect: Nitrogen can be used as a protective gas to form a protective film on the metal components inside the heat exchanger, thereby effectively improving its corrosion resistance.

[0004] 2. Pressurization effect: During the use of the heat exchanger, due to the flow of the medium and other factors, certain pressure fluctuations will occur, affecting the stability of the heat exchanger. In this case, nitrogen can be used as a pressurized gas to improve the stability of the heat exchanger by protecting the medium.

[0005] The application of nitrogen in heat exchangers mainly involves the supply and use of nitrogen. In terms of supply, the quality and volume of nitrogen need to be controlled according to certain standards; in terms of use, fine control and adjustment are required to ensure the effect of nitrogen.

[0006] However, the pressure of the atmospheric nitrogen main fluctuates greatly, and too low an inhaled nitrogen pressure will have an adverse effect on the stable operation of the nitrogen compressor. Therefore, an air separation parallel nitrogen control component is needed to solve the above problems. Utility Model Content

[0007] The utility model aims to provide an air separation parallel nitrogen control component, which has the advantage of stabilizing the nitrogen pressure input from the atmospheric pressure nitrogen main pipe, and solves the problem that the atmospheric pressure nitrogen main pipe pressure fluctuates greatly and the inhaled nitrogen pressure is too low, which will have an adverse effect on the stable operation of the nitrogen compressor.

[0008] To achieve the above object, the utility model provides the following technical solutions: an air separation parallel nitrogen control component, comprising a first connecting pipe, the first connecting pipe is provided with two holes and branch pipes are respectively welded and installed, the first connecting pipe is connected and installed with a second control valve and a third control valve through the branch pipe, one end of the first connecting pipe is connected and installed with a tee pipe, the end of the tee pipe away from the first connecting pipe is connected and installed with a second connecting pipe, and also includes a first gas storage tank and a second gas storage tank;

[0009] The first gas storage tank is connected and installed with the first connecting pipe through the third control valve;

[0010] The first gas storage tank has a hole formed therein and is connected to a first gas injection pipe;

[0011] The second gas storage tank is connected and installed with the three-way pipe through the fourth control valve;

[0012] The second gas storage tank has a hole opened thereon and is connected to and installed with a second gas injection pipe.

[0013] When using an air separation parallel nitrogen control component in the technical solution, the first booster pump and the second booster pump are used in advance to pressurize the nitrogen into the first gas tank and the second gas tank, and the nitrogen is transported to the nitrogen compressor through the first connecting pipe and the second connecting pipe. When the nitrogen pressure of the nitrogen compressor is unstable, the second control valve is closed, and the third control valve or the fourth control valve is selectively opened, so that the high-pressure nitrogen injected into the first gas tank or the second gas tank can be injected into the nitrogen compressor through the second connecting pipe, thereby increasing the pressure of the injected nitrogen, so that the input nitrogen pressure of the nitrogen compressor is stably controlled.

[0014] Preferably, the end of the first connecting pipe away from the three-way pipe is provided with a flange and is connected and installed with the nitrogen delivery pipeline.

[0015] A flange is provided at one end of the first connecting pipe away from the three-way pipe and connected and installed with the nitrogen delivery pipeline, so that nitrogen can pass through the first connecting pipe and be delivered via the second connecting pipe.

[0016] Preferably, the second control valve is installed so that one end away from the first connecting pipe is connected to one end of the second connecting pipe.

[0017] The first communicating pipe and the second communicating pipe are connected and installed by connecting one end of the second communicating pipe away from the one end of the first communicating pipe.

[0018] Preferably, one end of the second connecting pipe away from the second control valve is connected to and installed with a first control valve, and one end of the first control valve away from the second connecting pipe is connected to and installed with a nitrogen compressor.

[0019] The first control valve is installed in communication with the end of the second connecting pipe away from the second control valve, and the end of the first control valve away from the second connecting pipe is connected with the nitrogen compressor, so that the nitrogen in the nitrogen pipeline can pass through the first connecting pipe and be transported through the second connecting pipe.

[0020] Preferably, one end of the first gas injection pipe away from the first gas storage tank is connected to a first booster pump, and one end of the first booster pump away from the first gas storage tank is connected to a nitrogen pipeline.

[0021] A first booster pump is installed at one end of the first gas injection pipe away from the first gas storage tank, and one end of the first booster pump away from the first gas storage tank is installed in communication with the nitrogen pipeline, so that when in use, the nitrogen can be pressurized by the first booster pump and stored in the first gas storage tank.

[0022] Preferably, the end of the second gas injection pipe away from the second gas storage tank is connected to a second booster pump, and the end of the second booster pump away from the second gas storage tank is connected to a nitrogen pipeline.

[0023] A second booster pump is installed at one end of the second gas injection pipe away from the second gas storage tank, and the other end of the second booster pump away from the second gas storage tank is installed in communication with the nitrogen pipeline, so that when in use, the nitrogen can be pressurized by the second booster pump and stored in the second gas storage tank.

[0024] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0025] The utility model provides a first gas storage tank and a second gas storage tank, and the first gas storage tank is connected and installed with the first connecting pipe through the third control valve, and a hole is opened on the first gas storage tank and a first gas injection pipe is connected and installed, and the second gas storage tank is connected and installed with the three-way pipe through the fourth control valve, and a hole is opened on the second gas storage tank and a second gas injection pipe is connected and installed, so that in actual use, the first booster pump and the second booster pump are used in advance to pressurize the nitrogen into the first gas storage tank and the second gas storage tank, and the nitrogen is transported to the nitrogen compressor through the first connecting pipe and the second connecting pipe. When the nitrogen pressure of the nitrogen compressor is unstable, the second control valve is closed, and the third control valve or the fourth control valve is selectively opened, so that the high-pressure nitrogen injected into the first gas storage tank or the second gas storage tank can be injected into the nitrogen compressor through the second connecting pipe, so as to increase the pressure of the injected nitrogen, so that the input nitrogen pressure of the nitrogen compressor is stably controlled, and the nitrogen pressure input from the atmospheric pressure nitrogen main pipe is stabilized. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0027] Figure 2 It is a schematic diagram of the top structure of the utility model.

[0028] In the figure: 1. first control valve; 2. second control valve; 3. first connecting pipe; 4. third control valve; 5. first air storage tank; 6. first air injection pipe; 7. first booster pump; 8. second booster pump; 9. second air injection pipe; 10. second air storage tank; 11. fourth control valve; 12. three-way pipe; 13. second connecting pipe. DETAILED DESCRIPTION

[0029] 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.

[0030] Example

[0031] like Figure 1 and Figure 2 As shown, an embodiment provided by the utility model: an air separation parallel nitrogen control component, including a first connecting pipe 3, the first connecting pipe 3 is provided with two holes and branch pipes are respectively welded and installed, the first connecting pipe 3 is connected and installed with a second control valve 2 and a third control valve 4 through the branch pipe, one end of the first connecting pipe 3 is connected and installed with a tee pipe 12, and the end of the tee pipe 12 away from the first connecting pipe 3 is connected and installed with a second connecting pipe 13, and also includes a first gas storage tank 5 and a second gas storage tank 10;

[0032] Specifically, the first gas storage tank 5 is connected to the first connecting pipe 3 through the third control valve 4;

[0033] The first gas storage tank 5 has a hole therein and is connected to a first gas injection pipe 6;

[0034] The second gas storage tank 10 is connected and installed with the three-way pipe 12 through the fourth control valve 11;

[0035] The second gas storage tank 10 has a hole therein and is connected to and installed with a second gas injection pipe 9 .

[0036] By setting a first gas storage tank 5 and a second gas storage tank 10, and connecting the first gas storage tank 5 with the first connecting pipe 3 through the third control valve 4, and opening a hole in the first gas storage tank 5 and connecting and installing a first gas injection pipe 6, by connecting and installing the second gas storage tank 10 with the three-way pipe 12 through the fourth control valve 11, and opening a hole in the second gas storage tank 10 and connecting and installing a second gas injection pipe 9, when actually using it, the first booster pump 7 and the second booster pump 8 are used in advance to pressurize the nitrogen into the first gas storage tank 5 and the second gas storage tank 10, and the gas injection pipe 9 is connected to the first gas storage tank 5 and the second gas storage tank 10. The nitrogen is transported to the nitrogen compressor through the first connecting pipe 3 and the second connecting pipe 13. When the nitrogen pressure of the nitrogen compressor is unstable, the second control valve 2 is closed, and the third control valve 4 or the fourth control valve 11 is selectively opened, so that the high-pressure nitrogen injected into the first gas storage tank 5 or the second gas storage tank 10 can be injected into the nitrogen compressor through the second connecting pipe 13, thereby increasing the pressure of the injected nitrogen, so that the input nitrogen pressure of the nitrogen compressor is stably controlled, and the effect of stabilizing the nitrogen pressure input from the atmospheric pressure nitrogen main pipe is achieved.

[0037] Furthermore, one end of the first connecting pipe 3 away from the three-way pipe 12 is provided with a flange and is connected and installed with the nitrogen delivery pipeline.

[0038] A flange is provided at one end of the first connecting pipe 3 away from the three-way pipe 12 and connected and installed with the nitrogen delivery pipeline, so that nitrogen can pass through the first connecting pipe 3 and be delivered via the second connecting pipe 13 .

[0039] Furthermore, one end of the second control valve 2 which is away from the first connecting pipe 3 is connected to one end of the second connecting pipe 13 and installed.

[0040] The first communicating pipe 3 and the second communicating pipe 13 are connected and installed by connecting one end of the second communicating pipe 13 away from the first communicating pipe 3 .

[0041] Furthermore, one end of the second connecting pipe 13 away from the second control valve 2 is connected to and installed with the first control valve 1 , and one end of the first control valve 1 away from the second connecting pipe 13 is connected to and installed with the nitrogen compressor.

[0042] The first control valve 1 is installed in communication with the end of the second connecting pipe 13 away from the second control valve 2, and the end of the first control valve 1 away from the second connecting pipe 13 is installed in communication with the nitrogen compressor, so that the nitrogen in the nitrogen pipeline can pass through the first connecting pipe 3 and be transported through the second connecting pipe 13.

[0043] Furthermore, one end of the first gas injection pipe 6 away from the first gas storage tank 5 is connected to and installed with a first booster pump 7 , and one end of the first booster pump 7 away from the first gas storage tank 5 is connected to and installed with a nitrogen pipeline.

[0044] A first booster pump 7 is installed in communication with one end of the first gas injection pipe 6 away from the first gas storage tank 5, and one end of the first booster pump 7 away from the first gas storage tank 5 is installed in communication with the nitrogen pipeline, so that when in use, the nitrogen can be pressurized by the first booster pump 7 and stored in the first gas storage tank 5.

[0045] Furthermore, the second booster pump 8 is installed in communication with one end of the second gas injection pipe 9 away from the second gas storage tank 10 , and the second booster pump 8 is installed in communication with the nitrogen pipeline at one end away from the second gas storage tank 10 .

[0046] A second booster pump 8 is installed at one end of the second gas injection pipe 9 away from the second gas storage tank 10, and the other end of the second booster pump 8 away from the second gas storage tank 10 is installed in communication with the nitrogen pipeline, so that when in use, the nitrogen can be pressurized by the second booster pump 8 and stored in the second gas storage tank 10.

[0047] When the utility model is used, the first booster pump 7 and the second booster pump 8 are used in advance to pressurize the nitrogen into the first gas tank 5 and the second gas tank 10, and the nitrogen is transported to the nitrogen compressor through the first connecting pipe 3 and the second connecting pipe 13. When the nitrogen pressure of the nitrogen compressor is unstable, the second control valve 2 is closed, and the third control valve 4 or the fourth control valve 11 is selectively opened, so that the high-pressure nitrogen injected into the first gas tank 5 or the second gas tank 10 can be injected into the nitrogen compressor through the second connecting pipe 13, thereby increasing the pressure of the injected nitrogen, so that the input nitrogen pressure of the nitrogen compressor is stably controlled.

[0048] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An air separation parallel nitrogen control component, comprising a first connecting pipe (3), the first connecting pipe (3) is provided with two holes and branch pipes are respectively welded and installed, the first connecting pipe (3) is connected and installed with a second control valve (2) and a third control valve (4) through the branch pipe, one end of the first connecting pipe (3) is connected and installed with a tee pipe (12), and the end of the tee pipe (12) away from the first connecting pipe (3) is connected and installed with a second connecting pipe (13), characterized in that: Also includes: A first gas storage tank (5) is installed in communication with the first connecting pipe (3) via a third control valve (4); The first gas storage tank (5) has a hole formed therein and is connected to a first gas injection pipe (6); The second gas storage tank (10) is connected to the three-way pipe (12) through the fourth control valve (11); The second gas storage tank (10) has a hole formed therein and is connected to a second gas injection pipe (9).

2. The air separation parallel nitrogen control component according to claim 1, characterized in that: The end of the first connecting pipe (3) facing away from the three-way pipe (12) is provided with a flange and is connected and installed with the nitrogen delivery pipeline.

3. The air separation parallel nitrogen control component according to claim 1, characterized in that: The end of the second control valve (2) facing away from the first connecting pipe (3) is connected to one end of the second connecting pipe (13) and installed.

4. The air separation parallel nitrogen control component according to claim 1, characterized in that: The end of the second connecting pipe (13) away from the second control valve (2) is connected to the first control valve (1), and the end of the first control valve (1) away from the second connecting pipe (13) is connected to the nitrogen compressor.

5. The air separation parallel nitrogen control component according to claim 1, characterized in that: The end of the first gas injection pipe (6) away from the first gas storage tank (5) is connected to a first booster pump (7), and the end of the first booster pump (7) away from the first gas storage tank (5) is connected to a nitrogen pipeline.

6. The air separation parallel nitrogen control component according to claim 1, characterized in that: The end of the second gas injection pipe (9) facing away from the second gas storage tank (10) is connected to a second booster pump (8).