CN220770829U - Oxygen production station area instrument gas continuous supply pipe network - Google Patents
Oxygen production station area instrument gas continuous supply pipe network Download PDFInfo
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- CN220770829U CN220770829U CN202322469670.5U CN202322469670U CN220770829U CN 220770829 U CN220770829 U CN 220770829U CN 202322469670 U CN202322469670 U CN 202322469670U CN 220770829 U CN220770829 U CN 220770829U
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- 239000007789 gas Substances 0.000 title claims abstract description 86
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000001301 oxygen Substances 0.000 title claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 105
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 52
- 238000000746 purification Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 239000006200 vaporizer Substances 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 8
- 230000008016 vaporization Effects 0.000 claims description 4
- 238000009834 vaporization Methods 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 7
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model belongs to the technical field of supply pipelines of oxygen generation station areas, and relates to an instrument gas continuous supply pipe network of an oxygen generation station area, which comprises an instrument gas main pipe network, wherein a nitrogen pressure regulating station is arranged at the tail end of the instrument gas main pipe network, the instrument gas main pipe network is connected to a nitrogen spherical tank, the nitrogen spherical tank is connected to a vaporizer, the vaporizer is connected to a liquid nitrogen storage tank, the instrument gas main pipe network is connected to an oxygen generation main plant, the oxygen generation main plant is connected back to the instrument gas main pipe network, the instrument gas main pipe network is connected to an air pressure station main plant, the air pressure station main plant is connected to an air pressure purification bin, the air pressure purification bin is connected to the instrument gas main pipe network, the instrument gas main pipe network is connected with an air separator, and the air separator is connected back to the instrument gas main pipe network. The utility model adopts the flow design of mutual communication, solves the problems that the air pressure of a single system instrument is insufficient and the pneumatic regulating valve cannot be controlled, ensures that the instrument air forms a pipe network design, has more sources of air sources, and solves the problem that the air pressure of all instruments in the whole station area is lost.
Description
Technical Field
The utility model belongs to the technical field of supply pipelines of oxygen generation station areas, and particularly relates to an instrument gas continuous supply pipe network of the oxygen generation station areas.
Background
The oxygen-making air separation station area and the compressed air station are combined and built into a novel factory, and the oxygen-making factory and the air compression station are widely applied to pneumatic regulating valves. The instrument air source of the pneumatic regulating valve adopts an independent supply design, and the instrument air source is used for leading the product air with the pressure level of 0.45-0.6MPa in the factory to be dried and cleaned and is independently used as the instrument air of the pneumatic valve in the factory.
The mode that instrument gas was designed alone can not solve the valve regulation out of control problem that the air supply is unstable to cause, because the air supply is single, when the unusual shut down of factory unit appears, instrument air supply pressure is less than 0.4MPa, causes pneumatic control valve's control inefficacy, is unfavorable for emergent disposition and resumes production.
Disclosure of Invention
The utility model aims to provide a continuous supply pipe network of instrument gas in an oxygen production station area, which has the diversified supply function of the air source of the instrument gas pipe network, solves the problems that the valve regulation is out of control caused by the instability of the air source, and the control failure of a pneumatic regulating valve is not beneficial to emergency disposal and production recovery because the air source is single and the pressure of the instrument air source is lower than 0.4MPa when the machine set in the factory is abnormally stopped.
In order to achieve the above purpose, the utility model adopts the technical scheme that the utility model provides an instrument gas continuous supply pipe network in an oxygen production station area, which comprises an instrument gas main pipe network, wherein the tail end of the instrument gas main pipe network is provided with a nitrogen pressure regulating station, the instrument gas main pipe network is provided with a first valve and a second valve, the instrument gas main pipe network is connected to a nitrogen spherical tank through a nitrogen inlet pipeline, the nitrogen spherical tank is connected to a vaporizer through a vaporization pipeline, the vaporizer is connected to a liquid nitrogen storage tank through a liquid nitrogen pipeline, the instrument gas main pipe network is connected to an oxygen production main plant through an oxygen transmission pipeline, the oxygen production main plant is connected back to the instrument gas main pipe network through an input pipeline, the instrument gas main pipe network is connected to an air pressure station main plant through an air pressure pipeline, the air pressure station main plant is connected to an air pressure purifying bin through a purifying pipeline, the air pressure purifying bin is connected to the instrument gas main pipe network through a conveying pipeline, the instrument gas main pipe network is connected with an air separator, and the air separator is connected back to the instrument gas main pipe network;
the space division includes a first space division and a second space division.
Preferably, the nitrogen inlet pipeline and the oxygen delivery pipeline are connected between a nitrogen pressure regulating station and a first valve on the meter gas main pipeline.
Preferably, the air pressure pipeline and the conveying pipeline are connected between the first valve and the second valve on the meter gas main pipeline.
Preferably, a liquid nitrogen pump is arranged on the liquid nitrogen pipeline.
Preferably, the conveying pipeline is provided with a conveying valve.
Preferably, the instrument gas main pipe network is connected with the first air separator through a first air separator pipeline, the first air separator is connected with the first air separator purification bin through a first purification pipeline, the first air separator purification bin is connected with the instrument gas main pipe network through a first transmission pipeline, the instrument gas main pipe network is connected with the second air separator through a second air separator pipeline, the second air separator is connected with the second air separator purification bin through a second purification pipeline, and the second air separator purification bin is connected with the instrument gas main pipe network through a second transmission pipeline.
Preferably, the first transmission pipeline is provided with a first transmission valve, and the second transmission pipeline is provided with a second transmission valve.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. the utility model adopts the flow design of mutual communication, solves the problems that the air pressure of a single system instrument is insufficient and the pneumatic regulating valve cannot be controlled, so that the instrument air forms a pipe network design, the source of the air source is more diversified, and the problem that the air pressure of all instruments in the whole station area is lost is solved;
2. the utility model designs the air pipe network of the oxygen-making air and air compression station instrument into a communication mode, and is respectively provided with the one-way valve, thereby being convenient for automatic control and the flow design of mutual communication, and solving the problems that the air pressure of a single system instrument is insufficient and the pneumatic regulating valve cannot be controlled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a block diagram of a continuous supply network of instrument gas in an oxygen generation station area;
in the above figures, 1, an instrument gas main pipe network, 2, a nitrogen pressure regulating station, 3, a first valve, 4, a nitrogen inlet pipeline, 5, a nitrogen spherical tank, 6, a vaporization pipeline, 7, a vaporizer, 8, a liquid nitrogen pipeline, 9, a liquid nitrogen storage tank, 10, a liquid nitrogen pump, 11, an oxygen delivery pipeline, 12, an oxygen production main plant, 13, a second valve, 14, an air pressure pipeline, 15, an air pressure station main plant, 16, a purification pipeline, 17, an air pressure purification bin, 18, a conveying pipeline, 19, a conveying valve, 20, a first air separation pipeline, 21, a first air separation, 22, a first purification pipeline, 23, a first air separation purification bin, 24, a first conveying pipeline, 25, a first conveying valve, 26, a second air separation pipeline, 27, a second air separation, 28, a second purification pipeline, 29, a second air separation purification bin, 30, a second conveying pipeline, 31, a second conveying valve, 32 and an input pipeline.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Embodiment 1 as shown in fig. 1, an oxygen generating station area meter gas continuous supply pipe network comprises a meter gas main pipe network 1, wherein the meter gas main pipe network 1 is used for supplying meter gas, and the meter gas main pipe network 1 has a pipe diameter DN80. The tail end of the instrument gas main pipe network 1 is provided with a nitrogen pressure regulating station 2, and the nitrogen pressure regulating station 2 is used for regulating the pressure of nitrogen and inputting the nitrogen into the instrument gas main pipe network 1.
The instrument gas main pipe network 1 is provided with a first valve 3 and a second valve 13, and the first valve 3 and the second valve 13 are check valves, so that the unidirectional flow of gas is ensured.
The instrument gas main pipe network 1 is connected to the oxygen-making main plant 12 through an oxygen-transferring pipe 11, the oxygen-transferring pipe 11 is arranged at the head end of the instrument gas main pipe network 1, the oxygen-making main plant 12 supplies oxygen for the instrument gas main pipe network 1, the oxygen-making main plant 12 is connected to the instrument gas main pipe network 1 through an input pipe 32, the input pipe 32 is arranged at the tail end of the instrument gas main pipe network 1, and instrument gas with insufficient oxygen quantity at the tail end is collected.
The instrument gas main pipe network 1 is connected to the air compression station main plant 15 through an air compression pipeline 14, the air compression station main plant 15 is connected to an air compression purification bin 17 through a purification pipeline 16, the air compression purification bin 17 is connected to the instrument gas main pipe network 1 through a conveying pipeline 18, the air compression pipeline 14 and the conveying pipeline 18 are connected between the first valve 3 and the second valve 13 on the instrument gas main pipe network 1, and the pipe diameter DN50 of the conveying pipeline 18.
The instrument gas main pipe network 1 is connected with an air separator, and the air separator is connected back to the instrument gas main pipe network 1;
the air separation comprises a first air separation 21 and a second air separation 27, wherein the instrument air main pipe network 1 is connected with the first air separation 21 through a first air separation pipeline 20, the first air separation 21 is connected with a first air separation purification bin 23 through a first purification pipeline 22, the first air separation purification bin 23 is connected with the instrument air main pipe network 1 through a first transmission pipeline 24, and the diameter DN50 of the first transmission pipeline 24 is equal to the diameter DN50; the instrument gas main pipe network 1 is connected with a second air separator 27 through a second air separator pipeline 26, the second air separator 27 is connected with a second air separator purification bin 29 through a second purification pipeline 28, the second air separator purification bin 29 is connected with the instrument gas main pipe network 1 through a second transmission pipeline 30, and the diameter DN50 of the second transmission pipeline 30 is equal to the diameter DN50.
The instrument gas main pipe network 1 is designed with four paths of gas sources, which are respectively: first space 21, second space 27, pressure rating: 0.5MPa; the air compression station main workshop 15 has a pressure level of 0.6MPa; and a nitrogen pressure regulating station 2, wherein the pressure grade is 0.6MPa.
The delivery pipe 18 is provided with a delivery valve 19. The first transfer valve 25 is disposed on the first transfer pipe 24, and the second transfer valve 31 is disposed on the second transfer pipe 30. The delivery valve 19, the first delivery valve 25, and the second delivery valve 31 are all check valves. The first valve 3 is positioned at the outlet of the nitrogen pressure regulating station 2. When a certain path of air source is used for maintenance operation, the maintenance operation can be carried out only by closing the corresponding valve, and other areas are normally used. The supply of the instrument gas is preferentially supplied according to the pressure level, and firstly, the low-pressure nitrogen of the nitrogen pressure regulating station 2 with the highest pressure level is supplied; secondly, supplying compressed air of the air compression station to the air compression station main factory building 15; and finally, the air separation purified air is supplied to the first air separation 21 and the second air separation 27, and four paths of air sources are respectively provided with one-way valves for controlling supply sources, so that the air cannot be fed back.
The second valve 13 is automatically closed when the low pressure nitrogen source is insufficient. The delivery valve 19 on the delivery pipe 18 is automatically opened to supply compressed air to the pipe network. The instrument gas main pipe network 1 is connected to the nitrogen spherical tank 5 through the nitrogen inlet pipeline 4, the nitrogen inlet pipeline 4 and the oxygen delivery pipeline 11 are connected between the nitrogen pressure regulating station 2 and the first valve 3 on the instrument gas main pipe network 1, the nitrogen spherical tank 5 is connected to the vaporizer 7 through the vaporizing pipeline 6, the vaporizer 7 is connected to the liquid nitrogen storage tank 9 through the liquid nitrogen pipeline 8, and the liquid nitrogen pump 10 is arranged on the liquid nitrogen pipeline 8. In extreme cases, when the space division, the air compression station and the nitrogen pressure in the station area are insufficient, the liquid nitrogen pump 10 is started, and the vaporizer 7 vaporizes liquid nitrogen and supplies the liquid nitrogen to the nitrogen spherical tank 5 to indirectly supply instrument gas.
What is not described in detail in this specification is prior art known to those skilled in the art.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides an oxygen station district instrument gas continuous supply pipe network, a serial communication port, including instrument gas main pipe network, instrument gas main pipe network end is provided with nitrogen gas pressure regulating station, be provided with first valve and second valve on the instrument gas main pipe network, instrument gas main pipe is last to be connected to nitrogen ball jar through going into the nitrogen pipeline, nitrogen ball jar is connected to the vaporizer through the vaporization pipeline, the vaporizer is connected to the liquid nitrogen storage tank through the liquid nitrogen pipeline, instrument gas main pipe is last to be connected to the main factory building of oxygen production through the oxygen pipeline, the main factory building of oxygen production is connected back to instrument gas main pipe network through the input pipeline, instrument gas main pipe is last to be connected to the main factory building of air pressure station through the air pressure pipeline, the main factory building of air pressure station is connected to the air pressure purification storehouse through the purification pipeline, the air pressure purification storehouse is connected to instrument gas main pipe network through the delivery pipeline, instrument gas main pipe network is connected with the air separation, the air separation is back to instrument gas main pipe network;
the space division includes a first space division and a second space division.
2. The continuous meter gas supply pipe network for the oxygen production station area according to claim 1, wherein the nitrogen inlet pipeline and the oxygen supply pipeline are connected between the nitrogen pressure regulating station and the first valve on the meter gas main pipe network.
3. The continuous supply network of meter gas in an oxygen generating station area according to claim 1, wherein the air pressure pipeline and the conveying pipeline are connected between a first valve and a second valve on the meter gas main network.
4. The oxygen generating station area instrument gas continuous supply pipe network according to claim 1, wherein a liquid nitrogen pump is arranged on the liquid nitrogen pipeline.
5. The oxygen generating station area instrument gas continuous supply pipe network according to claim 1, wherein a conveying valve is arranged on the conveying pipeline.
6. The continuous meter gas supply pipe network for the oxygen production station area according to claim 1, wherein the meter gas main pipe network is connected with a first air separator through a first air separator pipeline, the first air separator is connected with a first air separator purification bin through a first purification pipeline, the first air separator purification bin is connected with the meter gas main pipe network through a first transmission pipeline, the meter gas main pipe network is connected with a second air separator through a second air separator pipeline, the second air separator is connected with a second air separator purification bin through a second purification pipeline, and the second air separator purification bin is connected with the meter gas main pipe network through a second transmission pipeline.
7. The continuous supply network of oxygen generating station area meter gas of claim 6, wherein the first transfer valve is disposed on the first transfer pipe, and the second transfer valve is disposed on the second transfer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322469670.5U CN220770829U (en) | 2023-09-12 | 2023-09-12 | Oxygen production station area instrument gas continuous supply pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322469670.5U CN220770829U (en) | 2023-09-12 | 2023-09-12 | Oxygen production station area instrument gas continuous supply pipe network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770829U true CN220770829U (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322469670.5U Active CN220770829U (en) | 2023-09-12 | 2023-09-12 | Oxygen production station area instrument gas continuous supply pipe network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770829U (en) |
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2023
- 2023-09-12 CN CN202322469670.5U patent/CN220770829U/en active Active
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