CN214619054U - Fuel gas pipe network steady voltage system - Google Patents
Fuel gas pipe network steady voltage system Download PDFInfo
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- CN214619054U CN214619054U CN202120422095.1U CN202120422095U CN214619054U CN 214619054 U CN214619054 U CN 214619054U CN 202120422095 U CN202120422095 U CN 202120422095U CN 214619054 U CN214619054 U CN 214619054U
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Abstract
The utility model relates to a fuel gas pipe network steady voltage system, including the liquid hydrocarbon ball jar, the liquid hydrocarbon ball jar communicates to the entry of liquefied hydrocarbon gasification pump through pump inlet pipeline, set up pump inlet valve on the pump inlet pipeline, the export of liquefied hydrocarbon gasification pump communicates to the entry of liquid hydrocarbon vaporizer through pump outlet pipeline, set up pump outlet valve on the pump outlet pipeline, the export of liquid hydrocarbon vaporizer communicates with fuel gas pipe network through the vaporizer outlet pipe, set up the vaporizer outlet valve on this vaporizer outlet pipe, the fuel gas pipe network is through the blow-down pipe inlet pipe, the blow-down pipe outlet pipe is linked together with torch blow-down pipe, set up the blow-down pipe inlet valve on the blow-down pipe inlet pipe, set up the blow-down pipe outlet valve on the blow-down pipe outlet pipe, set up the relief valve on the pipeline between blow-down pipe inlet valve and blow-down pipe outlet valve, install the teletransmission manometer on the fuel gas pipe network; the utility model discloses can guarantee that fuel gas pipe network pressure stability is in suitable within range, solve fuel gas pipe network steady voltage system design problem.
Description
Technical Field
The utility model belongs to petrochemical oil fuel gas field, in particular to fuel gas pipe network steady voltage system.
Background
The fuel gas in petrochemical plant is a mixture of several components, mainly comprising carbon-one, carbon-two, carbon-three, carbon-four and other hydrocarbon compounds, and its main function is to provide raw material for the furnace combustion in the equipment. When the fuel gas device produced in the whole plant is balanced with the fuel gas device, the fuel gas pipe network is more stable; however, when the production scale of the device fluctuates or the gas production device is stopped and overhauled, the pressure of the fuel gas pipe network will be reduced or increased, and the production requirements of the device cannot be met. In order to satisfy the normal production of the device, it is necessary to ensure the stability of the gas supply amount of the fuel gas, i.e. the pressure of the fuel gas pipe network, however, in the prior art, an effective and safe solution mechanism does not exist.
SUMMERY OF THE UTILITY MODEL
For solving the prior art problem, the utility model provides a fuel gas pipe network steady voltage system guarantees that fuel gas pipe network pressure stability has solved fuel gas pipe network steady voltage system design problem in suitable within range.
The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. According to the utility model provides a fuel gas pipe network steady voltage system, including the liquid hydrocarbon ball jar, the liquid hydrocarbon ball jar passes through pump inlet pipeline and communicates to the entry of liquefied hydrocarbon gasification pump, sets up pump inlet valve on the pump inlet pipeline, the export of liquefied hydrocarbon gasification pump communicates to the entry of liquid hydrocarbon vaporizer through pump outlet pipeline, set up pump outlet valve on the pump outlet pipeline, the export of liquid hydrocarbon vaporizer passes through vaporizer outlet pipe and communicates with the fuel gas pipe network, sets up the vaporizer outlet valve on this vaporizer outlet pipe, the fuel gas pipe network communicates with the blow-down pipe through blow-down pipe inlet pipe, blow-down pipe outlet pipe, set up the blow-down pipe inlet valve on the blow-down pipe inlet pipe, set up the blow-down pipe outlet valve on the blow-down pipe outlet pipe, set up the relief valve on the pipeline between blow-down pipe inlet valve and the blow-down pipe outlet valve, and a remote pressure gauge is arranged on the fuel gas pipe network.
Furthermore, the fuel gas pipe network is communicated with an outlet pipe of the emptying pipe through an emptying by-pass pipe, and an emptying by-pass pipe valve is arranged on the emptying by-pass pipe.
By the technical scheme, when the pressure of the fuel gas pipe network is reduced, the liquid hydrocarbon enters the liquid hydrocarbon gasification pump through the liquid hydrocarbon spherical tank, is pressurized by the pump and then is sent to the liquid hydrocarbon gasifier, the liquid hydrocarbon is changed from liquid to gaseous through the liquid hydrocarbon gasifier, and then the gaseous liquid hydrocarbon is sent to the fuel gas pipe network, so that the pressure stability of the pipe network is ensured; when the pressure in the fuel gas pipe network is ultrahigh, the fuel gas is discharged to the flare blow-down pipe through a safety valve arranged in the pipe network, and the pressure of the fuel gas is ensured to be stabilized in a proper range, so that the normal production operation of the petrochemical device is ensured.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
[ description of reference ]:
1-liquid hydrocarbon spherical tank; 2-pump inlet line; 3-liquefied hydrocarbon gasification pump; 4-pump inlet valve; 5-pump outlet line; 6-liquid hydrocarbon gasifier; 7-pump outlet valve; 8-gasifier outlet pipe; 9-a fuel gas pipe network; 10-a gasifier outlet valve; 11-a vent inlet pipe; 12-vent pipe outlet pipe; 13-flare blow-down pipe; 14-a flare inlet valve; 15-a vent pipe outlet valve; 16-a safety valve; 17-remote transmission pressure gauge; 18-emptying the by-pass pipe; 19-venting the bypass valve.
Detailed Description
The following detailed description is to be read in connection with the drawings and the preferred embodiments.
Referring to fig. 1, a fuel gas pipe network pressure stabilizing system comprises a liquid hydrocarbon ball tank 1, the liquid hydrocarbon ball tank 1 is connected to an inlet of a liquefied hydrocarbon gasification pump 3 through a pump inlet pipeline 2, a pump inlet valve 4 is arranged on the pump inlet pipeline 2, an outlet of the liquefied hydrocarbon gasification pump 3 is connected to an inlet of a liquid hydrocarbon gasifier 6 through an outlet pipeline 5, an outlet valve 7 is arranged on the outlet pipeline 5, an outlet of the liquid hydrocarbon gasifier 6 is connected to a fuel gas pipe network 9 through a gasifier outlet pipe 8, the gasifier outlet pipe 8 is provided with a gasifier outlet valve 10, the fuel gas pipe network 9 is connected to a torch vent pipe 13 through a vent pipe inlet pipe 11 and a vent pipe outlet pipe 12, the vent pipe inlet pipe 11 is provided with a vent pipe inlet valve 14, the vent pipe outlet pipe 12 is provided with a vent pipe outlet valve 15, a safety valve 16 is arranged on a pipeline between the vent pipe inlet valve and the vent pipe outlet valve, and a remote pressure gauge 17 is arranged on the fuel gas pipe network 9.
Preferably, the fuel gas pipe network 9 is further communicated with the vent pipe outlet pipe 12 through a vent bypass pipe 18, and a vent bypass pipe valve 19 is arranged on the vent bypass pipe 18.
The working principle of the utility model is as follows:
the pressure of a fuel gas pipe network 9 is stabilized at 0.5MPa, a remote transmission pressure gauge 17 is arranged on the fuel gas pipe network for pressure monitoring, when the pressure of the fuel gas pipe network is reduced to 0.4MPa, a liquid hydrocarbon gasification pump 3 is started, liquid hydrocarbon enters the liquid hydrocarbon gasification pump 3 through a liquid hydrocarbon spherical tank 1, the liquid hydrocarbon is pressurized by the pump and then sent to a liquid hydrocarbon gasifier 6, the liquid hydrocarbon is changed from liquid to gaseous through the liquid hydrocarbon gasifier 6, then the gaseous liquid hydrocarbon is sent to the fuel gas pipe network 9 for fuel supplement, and the pressure stability of the pipe network is ensured. The fuel gas pipe network is also provided with a safety valve 16 in a matching way, the constant pressure of the safety valve is 0.6MPa, when the pressure of the pipe network is higher than 0.6MPa, the safety valve 16 of the fuel gas pipe network is opened, redundant fuel gas is discharged to the flare blow-down pipe 13, the pressure stability of the pipe network is ensured, and the device can supply gas normally. Meanwhile, the safety valve 16 is provided with a bypass, namely an emptying bypass pipe 18, when the safety valve fails, an emptying bypass pipe valve 19 can be manually opened to discharge redundant fuel gas to the torch emptying pipe 13, and the pressure stability of a fuel gas pipe network is ensured. In addition, the front and the back of the safety valve are provided with a vent pipe inlet valve and a vent pipe outlet valve, so that the safety valve is convenient to overhaul.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.
Claims (2)
1. A fuel gas pipe network pressure stabilizing system is characterized by comprising a liquid hydrocarbon ball tank, wherein the liquid hydrocarbon ball tank is communicated to an inlet of a liquefied hydrocarbon gasification pump through a pump inlet pipeline, a pump inlet valve is arranged on the pump inlet pipeline, the outlet of the liquefied hydrocarbon gasification pump is communicated to the inlet of the liquefied hydrocarbon gasifier through a pump outlet pipeline, a pump outlet valve is arranged on the pump outlet pipeline, the outlet of the liquefied hydrocarbon gasifier is communicated with a fuel gas pipe network through a gasifier outlet pipe, the outlet pipe of the gasifier is provided with a gasifier outlet valve, the fuel gas pipe network is communicated with a torch blow-down pipe through a blow-down pipe inlet pipe and a blow-down pipe outlet pipe, an emptying pipe inlet valve is arranged on the emptying pipe inlet pipe, an emptying pipe outlet valve is arranged on the emptying pipe outlet pipe, and a safety valve is arranged on a pipeline between the emptying pipe inlet valve and the emptying pipe outlet valve, and a remote pressure gauge is installed on the fuel gas pipe network.
2. The fuel gas pipe network pressure stabilizing system of claim 1, wherein: the fuel gas pipe network is also communicated with an outlet pipe of the emptying pipe through an emptying by-pass pipe, and an emptying by-pass pipe valve is arranged on the emptying by-pass pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120422095.1U CN214619054U (en) | 2021-02-25 | 2021-02-25 | Fuel gas pipe network steady voltage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120422095.1U CN214619054U (en) | 2021-02-25 | 2021-02-25 | Fuel gas pipe network steady voltage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214619054U true CN214619054U (en) | 2021-11-05 |
Family
ID=78391660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120422095.1U Active CN214619054U (en) | 2021-02-25 | 2021-02-25 | Fuel gas pipe network steady voltage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214619054U (en) |
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2021
- 2021-02-25 CN CN202120422095.1U patent/CN214619054U/en active Active
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