CN211694370U - Natural gas pipeline conveying equipment - Google Patents
Natural gas pipeline conveying equipment Download PDFInfo
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- CN211694370U CN211694370U CN202020017394.2U CN202020017394U CN211694370U CN 211694370 U CN211694370 U CN 211694370U CN 202020017394 U CN202020017394 U CN 202020017394U CN 211694370 U CN211694370 U CN 211694370U
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Abstract
The utility model provides a natural gas pipeline conveying equipment, including natural gas storage tank and loop through the gasification system and the pressure regulating system of pipeline intercommunication, natural gas storage tank passes through the infusion pipeline and is connected with gasification system, gasification system includes empty warm formula vaporizer of a plurality of groups and water bath formula heater, empty warm formula vaporizer has water bath formula heater through gasification pipeline parallel connection. The gasification system comprises a plurality of groups of air-temperature gasifiers and water bath heaters, the air-temperature gasifiers can be connected in parallel to accelerate the gasification efficiency of natural gas in summer, and the air-temperature gasifiers can be connected in series to complete gasification when the gasification temperature is too low in winter; when the temperature in the gasification pipeline is too low, the gasification pipeline is connected with a water bath type heater to be heated again. The pressure regulating system improves the natural gas pressure regulating efficiency by connecting a plurality of groups of pressure regulating assemblies in parallel with the gas distributing inlet cylinder and the gas distributing outlet cylinder.
Description
Technical Field
The utility model relates to a natural gas transportation technical field specifically is a natural gas pipeline conveying equipment.
Background
Natural gas is generally stored in a liquid state in a cryogenic state, and the liquid natural gas is convenient to store and transport, but in the combustion process of the natural gas, the natural gas is supplied in a gaseous state, so that the natural gas must be vaporized to change the liquid natural gas into a gaseous state. In the existing natural gas transmission pipeline, a vaporizer is generally connected to a pipeline to vaporize natural gas.
However, when the supply amount of the gas is large and the conveying speed is high, a vaporizer cannot completely vaporize the natural gas, and the cryogenic natural gas can cause the frosting phenomenon of a downstream pipeline. After the natural gas is vaporized, the temperature of the natural gas is still very low, which is not beneficial to the combustion of the natural gas.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a natural gas pipeline conveying equipment to solve the problem that proposes in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize: a natural gas pipeline conveying device comprises a natural gas storage tank, and a gasification system and a pressure regulating system which are communicated in sequence through a pipeline, wherein the natural gas storage tank is connected with the gasification system through a liquid conveying pipeline, the gasification system comprises a plurality of groups of air-temperature gasifiers and water bath type heaters, the air-temperature gasifiers are connected in parallel with the water bath type heaters through gasification pipelines, heating valves are correspondingly arranged on inlet and outlet heating branch pipes of the water bath type heaters, and first ball valves are arranged on the inlet and outlet heating branch pipes of the gasification pipelines corresponding to the water bath type heaters; the pressure regulating system comprises a gas distribution inlet cylinder, a gas distribution outlet cylinder and a plurality of groups of pressure regulating assemblies for regulating pressure, wherein the pressure regulating assemblies are connected between the gas distribution inlet cylinder and the gas distribution outlet cylinder in parallel and comprise a gas inlet flange ball valve, a filter, a pressure regulator, a flow meter, a fourth pressure meter and a gas outlet flange ball valve which are sequentially connected through pipelines; the gas distribution cylinder is externally connected with an odorizing device and then connected with a municipal pipe network.
The utility model discloses a further scheme does: the liquid phase valve of the natural gas storage tank is connected with a liquid conveying pipeline through a pipeline, the liquid conveying pipeline collects a plurality of groups of natural gas storage tanks, and a liquid conveying ball valve is arranged at one end, close to the gasification system, of the liquid conveying pipeline.
The utility model discloses a further scheme does: the air-temperature gasifiers are connected in series and in parallel through pipelines and are switched and regulated through valves, each group of air-temperature gasifiers is respectively connected with a liquid conveying pipeline and a gasification pipeline through a gasification branch pipe, the gasification branch pipes of adjacent air-temperature gasifiers are mutually connected through a series connection pipe to enable the air-temperature gasifiers to be connected in series, and a second ball valve for controlling on-off is arranged on the series connection pipe.
The utility model discloses a further scheme does: and a first pressure gauge and a first thermometer for detection are arranged on the pipeline at the air outlet end of the air temperature type gasifier.
The utility model discloses a further scheme does: and a second pressure gauge and a second thermometer are arranged between the gasification system and the pressure regulating system.
The utility model discloses a further scheme does: and the gas distribution cylinder is connected with a third pressure gauge.
The utility model discloses a further scheme does: the gas phase valve of the natural gas storage tank is connected with the water bath type heater through a gas transmission pipeline, a compressor used for pressurizing natural gas is arranged on the gas transmission pipeline, the compressor is connected on the gas transmission pipeline in parallel through a compression branch pipe, the compression branch pipes at the inlet end and the outlet end of the compressor are respectively provided with a compression valve, and the gas transmission pipeline is provided with a third ball valve corresponding to the compression branch pipe.
The utility model discloses a further scheme does: and a manual emptying valve and a safety valve are arranged between the fourth pressure gauge of the pressure regulating assembly and the air outlet flange ball valve.
Compared with the prior art, the beneficial effects of the utility model are that: the gasification system comprises a plurality of groups of air-temperature gasifiers and water bath heaters, the air-temperature gasifiers can be connected in parallel to accelerate the gasification efficiency of natural gas in summer, and the air-temperature gasifiers can be connected in series to complete gasification when the gasification temperature is too low in winter; when the temperature in the gasification pipeline is too low, the gasification pipeline is connected with a water bath type heater to be heated again. The pressure regulating system improves the natural gas pressure regulating efficiency by connecting a plurality of groups of pressure regulating assemblies in parallel with the gas distributing inlet cylinder and the gas distributing outlet cylinder. When the natural gas pressure of natural gas storage tank output is not enough, through closing the third ball valve, open the compression ball valve and make the natural gas in the gas transmission pipeline reentrant the heating and get into municipal pipe network after the compressor pressurization, be favorable to the residual gas to retrieve.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.
As shown in figure 1 of the drawings, in which,
the embodiment provides a natural gas pipeline conveying device, which comprises a natural gas storage tank 1, a gasification system 2 and a pressure regulating system 3 which are sequentially communicated through a pipeline, wherein the natural gas storage tank 1 is connected with the gasification system 2 through a liquid conveying pipeline 11, the gasification system 2 comprises a plurality of groups of air-temperature gasifiers 21 and water bath type heaters 22, the air-temperature gasifiers 21 are connected in parallel with the water bath type heaters 22 through gasification pipelines 23, heating valves 25 are correspondingly arranged on inlet and outlet heating branch pipes 24 of the water bath type heaters 22, the gasification pipelines 23 are provided with first ball valves 26 corresponding to the inlet and outlet heating branch pipes 24 of the water bath type heaters 22, when the temperature of gas output by the air-temperature gasifiers 21 is too low or the gas is not completely gasified, the first ball valves 26 are closed, and the natural gas in the gasification pipelines 23 is heated and gasified through the water bath type heaters 22; the pressure regulating system 3 comprises a gas distribution inlet cylinder 31, a gas distribution outlet cylinder 32 and a plurality of pressure regulating assemblies for regulating pressure, wherein the pressure regulating assemblies are connected between the gas distribution inlet cylinder 31 and the gas distribution outlet cylinder 32 in parallel and comprise a gas inlet flange ball valve 33, a filter 34, a pressure regulator 35, a flow meter 36, a fourth pressure gauge 37 and a gas outlet flange ball valve 38 which are sequentially connected through pipelines; the gas distribution outlet cylinder 32 is externally connected with an odorizing device 4 and then connected with a municipal pipe network 5; the natural gas that specific gasification system 2 came out through the pipeline disperses to the pipeline of a plurality of groups pressure regulating subassembly through dividing gas inlet cylinder 31 in the pressure regulating, and the pressure regulating subassembly pressure regulating is accomplished the back and is collected through dividing gas outlet cylinder 32 and connect municipal pipe network 5.
In this embodiment, the liquid phase valves of the natural gas storage tanks 1 are connected with a liquid conveying pipeline 11 through a pipeline, the liquid conveying pipeline 11 collects a plurality of groups of natural gas storage tanks 1, and a liquid conveying ball valve 10 is arranged at one end of the liquid conveying pipeline 11 close to the gasification system 2.
In this embodiment, the air-temperature gasifiers 21 are connected in series and in parallel through a pipeline and are switched and regulated through a valve, each group of air-temperature gasifiers 21 are respectively connected with the infusion pipeline 11 and the gasification pipeline 23 through the gasification branch pipes 27, the gasification branch pipes 27 of the adjacent air-temperature gasifiers 21 are connected with each other through the series connection pipes 28 to connect the air-temperature gasifiers 21 in series, and the series connection pipes 28 are provided with second ball valves 29 for controlling on-off; specifically, the second ball valve 29 of the serial connection pipe 28 is closed, the air-temperature gasifiers 21 are in a parallel structure, the second ball valve 29 is opened, and the air-temperature gasifiers 21 are connected in series by controlling the gasification ball valves at the inlet and outlet ends of the gasification branch pipe 27.
In this embodiment, a first pressure gauge 12 and a first temperature gauge 13 for detecting are disposed on the pipeline at the air outlet end of the air temperature type vaporizer 21, and are used for detecting the temperature and the pressure after the air temperature type vaporizer 21 vaporizes.
In this embodiment, a second pressure gauge 14 and a second thermometer 15 are disposed between the gasification system 2 and the pressure regulating system 3, and are used for detecting the temperature and the pressure of the natural gas after being gasified by the gasification system 2.
In this embodiment, the air-distributing cylinder 32 is connected to a third pressure gauge 16 for detecting the air supply pressure at the air supply end.
In this embodiment, a gas phase valve of the natural gas storage tank 1 is connected with a water bath heater 22 through a gas transmission pipeline 17, a compressor 18 for pressurizing natural gas is arranged on the gas transmission pipeline 17, the compressor 18 is connected in parallel to the gas transmission pipeline 17 through a compression branch pipe 19, compression branch pipes at the inlet and outlet ends of the compressor 18 are respectively provided with a compression valve, and a third ball valve 20 is arranged on the gas transmission pipeline 17 corresponding to the compression branch pipe; when the pressure of the natural gas output by the natural gas storage tank 1 is insufficient, the third ball valve 20 is closed, and the compression ball valve is opened, so that the natural gas in the gas pipeline 17 is pressurized by the compressor 18 and then enters the municipal pipe network for heating, and the residual gas recovery is facilitated.
In this embodiment, a manual release valve 39 and a safety valve 30 are provided between the fourth pressure gauge 37 and the air outlet flange ball valve 38 of the pressure regulating assembly.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a natural gas pipeline conveying equipment, includes natural gas storage tank and loops through gasification system and the pressure regulating system of pipeline intercommunication, its characterized in that: the natural gas storage tank is connected with a gasification system through a liquid conveying pipeline, the gasification system comprises a plurality of groups of air-temperature gasifiers and water bath type heaters, the air-temperature gasifiers are connected in parallel with the water bath type heaters through the gasification pipelines, heating valves are correspondingly arranged on heating branch pipes of the water bath type heaters, and first ball valves are arranged on the heating branch pipes of the gasification pipelines corresponding to the water bath type heaters; the pressure regulating system comprises a gas distribution inlet cylinder, a gas distribution outlet cylinder and a plurality of groups of pressure regulating assemblies for regulating pressure, wherein the pressure regulating assemblies are connected between the gas distribution inlet cylinder and the gas distribution outlet cylinder in parallel and comprise a gas inlet flange ball valve, a filter, a pressure regulator, a flow meter, a fourth pressure meter and a gas outlet flange ball valve which are sequentially connected through pipelines; the gas distribution cylinder is externally connected with an odorizing device and then connected with a municipal pipe network.
2. The natural gas pipeline transportation apparatus according to claim 1, wherein: the liquid phase valve of the natural gas storage tank is connected with a liquid conveying pipeline through a pipeline, the liquid conveying pipeline collects a plurality of groups of natural gas storage tanks, and a liquid conveying ball valve is arranged at one end, close to the gasification system, of the liquid conveying pipeline.
3. The natural gas pipeline transportation apparatus according to claim 1, wherein: the air-temperature gasifiers are connected in series and in parallel through pipelines and are switched and regulated through valves, each group of air-temperature gasifiers is respectively connected with a liquid conveying pipeline and a gasification pipeline through a gasification branch pipe, the gasification branch pipes of adjacent air-temperature gasifiers are mutually connected through a series connection pipe to enable the air-temperature gasifiers to be connected in series, and a second ball valve for controlling on-off is arranged on the series connection pipe.
4. A natural gas pipeline transportation apparatus according to claim 3, wherein: and a first pressure gauge and a first thermometer for detection are arranged on the pipeline at the air outlet end of the air temperature type gasifier.
5. The natural gas pipeline transportation apparatus according to claim 4, wherein: and a second pressure gauge and a second thermometer are arranged between the gasification system and the pressure regulating system.
6. The natural gas pipeline transportation apparatus according to claim 5, wherein: and the gas distribution cylinder is connected with a third pressure gauge.
7. The natural gas pipeline transportation apparatus according to claim 1, wherein: the gas phase valve of the natural gas storage tank is connected with the water bath type heater through a gas transmission pipeline, a compressor used for pressurizing natural gas is arranged on the gas transmission pipeline, the compressor is connected on the gas transmission pipeline in parallel through a compression branch pipe, the compression branch pipes at the inlet end and the outlet end of the compressor are respectively provided with a compression valve, and the gas transmission pipeline is provided with a third ball valve corresponding to the compression branch pipe.
8. The natural gas pipeline transportation apparatus according to claim 1, wherein: and a manual emptying valve and a safety valve are arranged between the fourth pressure gauge of the pressure regulating assembly and the air outlet flange ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017394.2U CN211694370U (en) | 2020-01-06 | 2020-01-06 | Natural gas pipeline conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017394.2U CN211694370U (en) | 2020-01-06 | 2020-01-06 | Natural gas pipeline conveying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211694370U true CN211694370U (en) | 2020-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020017394.2U Active CN211694370U (en) | 2020-01-06 | 2020-01-06 | Natural gas pipeline conveying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211694370U (en) |
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2020
- 2020-01-06 CN CN202020017394.2U patent/CN211694370U/en active Active
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