CN111197694A - LNG steel cylinder filling device and method - Google Patents
LNG steel cylinder filling device and method Download PDFInfo
- Publication number
- CN111197694A CN111197694A CN202010009497.9A CN202010009497A CN111197694A CN 111197694 A CN111197694 A CN 111197694A CN 202010009497 A CN202010009497 A CN 202010009497A CN 111197694 A CN111197694 A CN 111197694A
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- gasification
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 45
- 239000010959 steel Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 238000002309 gasification Methods 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims description 78
- 239000003949 liquefied natural gas Substances 0.000 claims description 47
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000003345 natural gas Substances 0.000 claims description 11
- 239000007791 liquid phase Substances 0.000 claims description 10
- 239000012071 phase Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 3
- 238000001802 infusion Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C6/00—Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0439—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an LNG steel bottle filling device, which comprises an LNG storage tank, a liquid filling system and an air charging system, wherein the liquid filling system and the air charging system are connected with the LNG storage tank to respectively fill a steel bottle; the liquid filling system comprises a liquid filling assembly and an air return assembly, wherein the liquid filling assembly and the air return assembly are sequentially arranged on a liquid conveying pipeline; the gas charging system comprises a gasification assembly, a buffer tank and a gas charging assembly, wherein the gasification assembly and the buffer tank are sequentially arranged on a gasification pipeline, and the gas charging assembly is used for charging the steel cylinder. The invention provides a filling device for integrating liquid filling and gas filling of a steel cylinder.
Description
Technical Field
The invention relates to the technical field of LNG filling equipment, in particular to a device and a method for filling an LNG steel cylinder.
Background
With the global development of world economy, the status of natural gas in an energy structure is gradually expanded, the natural gas is a novel environment-friendly energy in the 21 st century, and the natural gas and urban natural gas are accelerated to be gasified, so that the natural gas and urban natural gas gasification is utilized, and the natural gas and urban natural gas gasification has positive effects on improving the living standard of people, reducing atmospheric pollution, strengthening environmental protection, improving urban quality and improving investment environment. LNG is widely applied as a clean and efficient new energy source.
The pipelining of urban gas supply is an inevitable trend of urban development, but when an urban gas pipe network is built and an upstream gas source unit cannot supply the gas fully, particularly under the condition that a gasification station does not have corresponding conditions in urban areas in which gas supply is urgently needed, the gas supply system is more and more widely used as a steel cylinder for storing natural gas. The existing LNG steel cylinder filling process is complicated and single, and various requirements such as liquid filling and gas filling cannot be met.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a device and a method for filling an LNG cylinder, so as to solve the problems in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme: the LNG steel bottle filling device comprises an LNG storage tank, a liquid filling system and an air charging system, wherein the liquid filling system and the air charging system are connected with the LNG storage tank to respectively fill the steel bottle; the liquid filling system comprises a liquid filling assembly and an air return assembly, wherein the liquid filling assembly and the air return assembly are sequentially arranged on a liquid conveying pipeline; the gas charging system comprises a gasification assembly, a buffer tank and a gas charging assembly, wherein the gasification assembly, the buffer tank and the gas charging assembly are sequentially arranged on the gasification pipeline; the gas phase valve on the LNG storage tank is connected with the buffer tank through a gas transmission pipeline to transmit BOG gas in the LNG storage tank; the gas return pipeline is connected with the buffer tank and is used for utilizing BOG gas in the steel cylinder.
The further scheme of the invention is as follows: and a first ball valve and a second ball valve for controlling the on-off of the liquid conveying pipeline and the gasification pipeline are arranged on the pipelines at one ends of the liquid phase valves.
The further scheme of the invention is as follows: the liquid feeding subassembly is including the low temperature immersed pump, liquid feeding flowmeter, first pneumatic trip valve and the liquid feeding rifle that connect gradually, the liquid feeding rifle is connected with the washing liquid mouth of steel bottle, the return-air subassembly is including installing first voltage regulator, return-air flowmeter, the pneumatic trip valve of second and the return-air rifle on the return-air pipeline in proper order, the return-air rifle is connected with the return-air mouth of steel bottle.
The further scheme of the invention is as follows: the liquid feeding gun is connected with the liquid conveying pipeline through a liquid phase hose, and the air return gun is connected with the air return pipeline through a gas phase hose.
The further scheme of the invention is as follows: the one end that first pneumatic trip valve is located the infusion pipeline and is close to the liquid feeding rifle is equipped with the first manometer of detecting intraductal pressure, the one end that the second trip valve is located the return air pipeline and is close to the air return rifle is equipped with the second manometer of detecting intraductal pressure.
The further scheme of the invention is as follows: the gasification assembly comprises an air temperature gasifier, a second pressure regulator and a gasification ball valve, wherein the air temperature gasifier, the second pressure regulator and the gasification ball valve are sequentially arranged on the gasification pipeline; the gas filling assembly comprises a compressor, a gas filling flow meter, a third pneumatic cut-off valve and a gas filling gun which are sequentially installed.
The further scheme of the invention is as follows: and a third pressure gauge and a thermometer are arranged on a gasification pipeline between the air temperature gasifier and the second pressure regulator, and a fourth pressure gauge is arranged on a pipeline between the compressor and the gas-adding flowmeter.
The further scheme of the invention is as follows: the buffer tank is respectively connected with the gas return pipeline, the gasification pipeline and the gas transmission pipeline, a fifth pressure gauge for detecting the pressure in the buffer tank is arranged on the buffer tank, and a safety valve is arranged at the upper end of the buffer tank.
The further scheme of the invention is as follows: the gas transmission pipeline is provided with a heater and a gas transmission ball valve, and the gas transmission ball valve is positioned at one end, close to the buffer tank, of the gas transmission pipeline.
The invention comprises a filling method of an LNG steel cylinder, when the steel cylinder is filled, an LNG storage tank conveys liquid natural gas into the steel cylinder through a liquid conveying pipeline and a liquid adding assembly, and BOG gas in the steel cylinder enters a buffer tank through a gas return gun and a gas return pipeline for storage; when the steel cylinder is charged, the LNG storage tank gasifies liquid-phase natural gas through the air-temperature gasifier through the gasification pipeline and then enters the buffer tank, and the buffer tank is pressurized through the compressor to charge the steel cylinder; BOG in the LNG storage tank is connected the storage through gas phase valve and buffer tank and is used for aerifing the steel bottle.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a filling device for integrating liquid filling and gas filling of a steel cylinder.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining the specific drawings.
As shown in figure 1 of the drawings, in which,
the LNG steel bottle filling device comprises an LNG storage tank 1, a liquid filling system and an air charging system, wherein the liquid filling system and the air charging system are connected with the LNG storage tank 1 to respectively fill steel bottles, a liquid phase valve 11 on the LNG storage tank 1 is connected with a liquid conveying pipeline 12 and a gasification pipeline 13, the liquid conveying pipeline 12 is connected with the liquid filling system, and the gasification pipeline 13 is connected with the air charging system; the liquid filling system comprises a liquid filling assembly and an air return assembly, wherein the liquid filling assembly and the air return assembly are sequentially arranged on a liquid conveying pipeline 12 and an air return pipeline 14; the gas charging system comprises a gasification assembly, a buffer tank 15 and a gas charging assembly, wherein the gasification assembly, the buffer tank 15 and the gas charging assembly are sequentially arranged on the gasification pipeline 13; a gas phase valve 16 on the LNG storage tank 1 is connected with a buffer tank 15 through a gas transmission pipeline 17 to transmit BOG gas in the LNG storage tank 1; the gas return line 14 is connected to a buffer tank 15 for utilizing the BOG gas in the steel cylinder.
In this embodiment, the first ball valve 18 and the second ball valve 19 for controlling on-off are arranged on the pipeline of the liquid conveying pipeline 12 and the gasification pipeline 13 near the liquid phase valve 11.
In this embodiment, the liquid feeding subassembly is including the low temperature immersed pump 21, the liquid feeding flowmeter 22, the first pneumatic trip valve 23 and the liquid feeding rifle 24 that connect gradually, liquid feeding rifle 24 is connected with the washing liquid mouth of steel bottle, the subassembly that returns the gas is including installing first pressure regulator 25, air return flowmeter 26, the pneumatic trip valve of second 27 and the rifle 28 that returns on return air pipeline 14 in proper order, the rifle 28 that returns the gas is connected with the air return mouth of steel bottle. The liquid adding gun 24 is connected with the liquid conveying pipeline 12 through a liquid phase hose, and the air return gun 28 is connected with the air return pipeline 14 through a gas phase hose. The first pneumatic stop valve 23 is arranged at one end of the transfusion pipeline 12 close to the liquid adding gun 24 and is provided with a first pressure gauge 29 for detecting the pressure in the pipe, and the second stop valve 27 is arranged at one end of the air return pipeline 14 close to the air return gun 28 and is provided with a second pressure gauge 20 for detecting the pressure in the pipe.
In this embodiment, the gasification assembly includes an air temperature gasifier 31, a second pressure regulator 32 and a gasification ball valve 33, which are sequentially installed on the gasification pipeline 13, and controls the connection between the gasification pipeline 13 and the buffer tank 15; the gas filling assembly comprises a compressor 34, a gas filling flow meter 35, a third pneumatic cut-off valve 36 and a gas filling gun 37 which are sequentially arranged. A third pressure gauge 38 and a thermometer 39 are arranged on the gasification pipeline 13 between the air temperature gasifier 31 and the second pressure regulator 32, and a fourth pressure gauge 30 is arranged on the pipeline between the compressor 34 and the gas filling flowmeter 35. The buffer tank 15 is respectively connected with the air return pipeline 14, the gasification pipeline 13 and the gas transmission pipeline 17, a fifth pressure gauge 41 for detecting the pressure in the buffer tank 15 is arranged on the buffer tank, and a safety valve 42 is arranged at the upper end of the buffer tank.
In this embodiment, the gas pipeline 17 is provided with a heater 43 and a gas ball valve 44, and the gas ball valve 44 is located at one end of the gas pipeline 17 close to the buffer tank 15.
The embodiment comprises a filling method of an LNG steel cylinder, when the steel cylinder is filled, an LNG storage tank 1 conveys liquid natural gas into the steel cylinder through a liquid conveying pipeline 12 and a liquid adding assembly, and BOG gas in the steel cylinder enters a buffer tank 15 through a gas return gun 28 and a gas return pipeline 14 to be stored; when the steel cylinder is charged, the LNG storage tank 1 gasifies the liquid natural gas through the air temperature gasifier 31 through the gasification pipeline 13 and then enters the buffer tank 15, and the buffer tank 15 is pressurized through the compressor 34 and then charges the steel cylinder; the BOG in the LNG storage tank 1 is connected to a buffer tank 15 through a gas phase valve 16 for storage and used for charging the steel cylinder.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
- LNG steel bottle fills dress device, including the LNG storage tank and connect the LNG storage tank and carry out the filling system and the system of aerifing that fills the steel bottle respectively, its characterized in that: a liquid phase valve on the LNG storage tank is connected with a liquid conveying pipeline and a gasification pipeline, the liquid conveying pipeline is connected with a liquid filling system, and the gasification pipeline is connected with an inflation system; the liquid filling system comprises a liquid filling assembly and an air return assembly, wherein the liquid filling assembly and the air return assembly are sequentially arranged on a liquid conveying pipeline; the gas charging system comprises a gasification assembly, a buffer tank and a gas charging assembly, wherein the gasification assembly, the buffer tank and the gas charging assembly are sequentially arranged on the gasification pipeline; the gas phase valve on the LNG storage tank is connected with the buffer tank through a gas transmission pipeline to transmit BOG gas in the LNG storage tank; the gas return pipeline is connected with the buffer tank and is used for utilizing BOG gas in the steel cylinder.
- 2. The LNG cylinder filling apparatus of claim 1, wherein: and a first ball valve and a second ball valve for controlling the on-off of the liquid conveying pipeline and the gasification pipeline are arranged on the pipelines at one ends of the liquid phase valves.
- 3. The LNG cylinder filling apparatus of claim 1, wherein: the liquid feeding subassembly is including the low temperature immersed pump, liquid feeding flowmeter, first pneumatic trip valve and the liquid feeding rifle that connect gradually, the liquid feeding rifle is connected with the washing liquid mouth of steel bottle, the return-air subassembly is including installing first voltage regulator, return-air flowmeter, the pneumatic trip valve of second and the return-air rifle on the return-air pipeline in proper order, the return-air rifle is connected with the return-air mouth of steel bottle.
- 4. The LNG cylinder filling apparatus of claim 3, wherein the filling gun is connected to the liquid supply pipe through a liquid phase hose, and the gas return gun is connected to the gas return pipe through a gas phase hose.
- 5. An LNG cylinder filling apparatus according to claim 4, wherein: the one end that first pneumatic trip valve is located the infusion pipeline and is close to the liquid feeding rifle is equipped with the first manometer of detecting intraductal pressure, the one end that the second trip valve is located the return air pipeline and is close to the air return rifle is equipped with the second manometer of detecting intraductal pressure.
- 6. The LNG cylinder filling apparatus of claim 1, wherein: the gasification assembly comprises an air temperature gasifier, a second pressure regulator and a gasification ball valve, wherein the air temperature gasifier, the second pressure regulator and the gasification ball valve are sequentially arranged on the gasification pipeline; the gas filling assembly comprises a compressor, a gas filling flow meter, a third pneumatic cut-off valve and a gas filling gun which are sequentially installed.
- 7. The LNG cylinder filling apparatus of claim 6, wherein: and a third pressure gauge and a thermometer are arranged on a gasification pipeline between the air temperature gasifier and the second pressure regulator, and a fourth pressure gauge is arranged on a pipeline between the compressor and the gas-adding flowmeter.
- 8. An apparatus for filling an LNG cylinder according to claim 7, wherein: the buffer tank is respectively connected with the gas return pipeline, the gasification pipeline and the gas transmission pipeline, a fifth pressure gauge for detecting the pressure in the buffer tank is arranged on the buffer tank, and a safety valve is arranged at the upper end of the buffer tank.
- 9. The LNG cylinder filling apparatus of claim 8, wherein: the gas transmission pipeline is provided with a heater and a gas transmission ball valve, and the gas transmission ball valve is positioned at one end, close to the buffer tank, of the gas transmission pipeline.
- 10. A method of filling an LNG cylinder according to any one of claims 1 to 9, characterized by: when the steel cylinder is filled with liquid, the LNG storage tank conveys liquid natural gas into the steel cylinder through the liquid conveying pipeline and the liquid adding assembly, and BOG gas in the steel cylinder enters the buffer tank through the gas return pipeline through the gas return gun for storage; when the steel cylinder is charged, the LNG storage tank gasifies liquid-phase natural gas through the air-temperature gasifier through the gasification pipeline and then enters the buffer tank, and the buffer tank is pressurized through the compressor to charge the steel cylinder; BOG in the LNG storage tank is connected the storage through gas phase valve and buffer tank and is used for aerifing the steel bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010009497.9A CN111197694A (en) | 2020-01-06 | 2020-01-06 | LNG steel cylinder filling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010009497.9A CN111197694A (en) | 2020-01-06 | 2020-01-06 | LNG steel cylinder filling device and method |
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| Publication Number | Publication Date |
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| CN111197694A true CN111197694A (en) | 2020-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010009497.9A Pending CN111197694A (en) | 2020-01-06 | 2020-01-06 | LNG steel cylinder filling device and method |
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| CN (1) | CN111197694A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2387894A (en) * | 1944-07-31 | 1945-10-30 | Fannin Raymond Bryant | Means for filling liquid gas bottles |
| CN102401235A (en) * | 2011-11-11 | 2012-04-04 | 何建华 | LNG (Liquefied Natural Gas) dispenser calibrating device |
| CN206191267U (en) * | 2016-10-17 | 2017-05-24 | 泰恩博能燃气设备（天津）股份有限公司 | Gas circulation formula gas station |
| CN107429181A (en) * | 2015-03-13 | 2017-12-01 | 约瑟夫·J.·弗尔克尔 | Transport of natural gas by dissolving in liquid hydrocarbons at ambient temperature |
| CN207555195U (en) * | 2017-12-13 | 2018-06-29 | 山西高碳能源低碳化利用研究设计院有限公司 | The mobile vehicle-mounted skid gas station process systems of L-CNG |
| CN110056764A (en) * | 2019-04-29 | 2019-07-26 | 成都华气厚普机电设备股份有限公司 | A kind of LNG filling is online to adjust saturation device and control method |
-
2020
- 2020-01-06 CN CN202010009497.9A patent/CN111197694A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2387894A (en) * | 1944-07-31 | 1945-10-30 | Fannin Raymond Bryant | Means for filling liquid gas bottles |
| CN102401235A (en) * | 2011-11-11 | 2012-04-04 | 何建华 | LNG (Liquefied Natural Gas) dispenser calibrating device |
| CN107429181A (en) * | 2015-03-13 | 2017-12-01 | 约瑟夫·J.·弗尔克尔 | Transport of natural gas by dissolving in liquid hydrocarbons at ambient temperature |
| CN206191267U (en) * | 2016-10-17 | 2017-05-24 | 泰恩博能燃气设备（天津）股份有限公司 | Gas circulation formula gas station |
| CN207555195U (en) * | 2017-12-13 | 2018-06-29 | 山西高碳能源低碳化利用研究设计院有限公司 | The mobile vehicle-mounted skid gas station process systems of L-CNG |
| CN110056764A (en) * | 2019-04-29 | 2019-07-26 | 成都华气厚普机电设备股份有限公司 | A kind of LNG filling is online to adjust saturation device and control method |
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Application publication date: 20200526 |