CN203322723U - LNG (liquefied natural gas) single-pneumatic-valve liquid adding machine - Google Patents
LNG (liquefied natural gas) single-pneumatic-valve liquid adding machine Download PDFInfo
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- CN203322723U CN203322723U CN2013203229916U CN201320322991U CN203322723U CN 203322723 U CN203322723 U CN 203322723U CN 2013203229916 U CN2013203229916 U CN 2013203229916U CN 201320322991 U CN201320322991 U CN 201320322991U CN 203322723 U CN203322723 U CN 203322723U
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- liquid adding
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Abstract
The utility model discloses an LNG (liquefied natural gas) single-pneumatic-valve liquid adding machine. The LNG single-pneumatic-valve liquid adding machine consists of a liquid adding pipeline, a liquid return pipeline, a gas return pipeline, a compressed air pipeline, a support and a control device; the liquid adding pipeline comprises a liquid intake interface, a stop valve a, a filter, a flow meter, a pneumatic cut-off valve, a liquid adding vacuum flexible pipe and a liquid adding gun; the liquid return pipeline comprises a gun insertion seat, a unidirectional valve a, a safety valve, a stop valve b and a liquid return interface; the gas return pipeline comprises a gas return gun, a gas return flexible pipe and a unidirectional valve b; a pressure regulating valve is arranged between the liquid adding pipeline and the gas return pipeline; the compressed air pipeline comprises a compressed air inlet, an air gun flexible pipe and an air gun; the support is of a welded rectangular structure; the control device is a singlechip circuit board and is respectively connected with the flow meter, a pressure sensor and an electromagnetic valve through leads. The LNG single-pneumatic-valve liquid adding machine provided by the utility model has the advantages that a low-temperature pneumatic cut-off valve and an electromagnetic valve are omitted; the pipeline system is simple, and the cost is low; the LNG single-pneumatic-valve liquid adding machine integrates precooling, metering, safety diffusion and emergent cut-off, is high in applicability, and is convenient to use by users.
Description
(1) technical field
The utility model relates to the automobile fuel gas loading technique, particularly the single pneumatic valve liquid filler of a kind of LNG Liquefied natural gas.
(2) background technique
For the liquid filler of LNGV (liquefied natural gas vehicle) filling generally comprises following several function: short circle precooling, major cycle precooling, metering, safety are diffused, emergency cut-off etc.The shortcoming that the liquid filler adopted at present exists is: complex structure, vacuum cold insulation pipeline difficulty is installed, manufacture cost is more high.
(3) model utility content
The purpose of this utility model is for above-mentioned existing problems, and a kind of function such as precooling, metering, safety are diffused, emergency cut-off and compact structure, the single pneumatic valve liquid filler of LNG Liquefied natural gas that easy to use, cost is low of integrating is provided.
The technical solution of the utility model:
The single pneumatic valve liquid filler of a kind of LNG Liquefied natural gas, by liquid feeding pipeline, liquid return pipe road, return line, compressed air line, support and control gear, formed, the liquid feeding pipeline comprises feed liquor interface, stop valve a, filter, flowmeter, pneumatic cut-off valve, liquid feeding vacuum hose and liquid feeding rifle and connects by pipeline, is provided with pressure gauge and pressure transducer on the pipeline be connected with pneumatic cut-off valve at flowmeter; The liquid return pipe road comprises slotting gun platform, one-way valve a, stop valve b and returns liquid interface and connect by pipeline, on the pipeline be connected with stop valve b at one-way valve a, is provided with safety valve; Return line comprise return-air rifle, return-air flexible pipe and one-way valve b and by pipeline respectively with the one-way valve a on liquid return pipe road and safety valve between pipeline, the flowmeter of liquid feeding pipeline be connected with the pipeline between pneumatic cut-off valve, and be provided with pressure regulator valve on the connecting tube of liquid return pipe road and liquid feeding pipeline; Compressed air line comprises compressed air inlet, air gun flexible pipe and air gun and connects by pipeline, and compressed air line is provided with a branch road and is connected with pneumatic cut-off valve by solenoid valve; Support is rectangle welding angle bar structure, and liquid feeding pipeline, liquid return pipe road and control gear are individually fixed on support; Control gear is the single chip circuit plate, and flowmeter, pressure transducer and solenoid valve are connected with control gear respectively by wire.
Working procedure of the present utility model:
At first, the liquid feeding rifle is inserted on gun platform, and pneumatic cut-off valve is opened, and LNG Liquefied natural gas is got back to storage tank through filter, flowmeter, pneumatic cut-off valve, liquid feeding rifle, stop valve b.When temperature is reduced to setting value, precooling finishes, and closes pneumatic cut-off valve, now in pipeline, is full of LNG Liquefied natural gas, and this process control system is not measured.Then, the liquid feeding rifle is inserted to the vehicle reservation bottle, can carry out liquid feeding, now pneumatic cut-off valve is opened, and LNG Liquefied natural gas enters the vehicle reservation bottle through liquid entering hole, flowmeter, liquid feeding rifle.If the air cylinder overpressure, need join return-air rifle and air cylinder, the part gaseous natural gas cooled via return air pipeline in air cylinder enters the liquid return pipe road, realizes liquid feeding.If manifold pressure is too high for a certain reason, pressure regulator valve is opened pressure release automatically to gas returning port.Finally, liquid feeding completes, and the liquid feeding rifle is inserted on gun platform, and the LNG Liquefied natural gas in the liquid feeding vacuum hose is got back to liquid return hole by one-way valve a.The liquid return pipe road arranges safety valve, and when liquid return pipe road pressure reaches predetermined value, safety valve diffuses, and guarantees pipeline safety.Air gun can blow off because low temperature is attached to the frost on gun platform and rifle head.
The utility model has the advantages that: this liquid filler integrates that precooling, metering, safety are diffused, emergency cut-off, compare with conventional liquid filler and save a low temperature pneumatic cut-off valve and a solenoid valve, pipe-line system is simple, low cost of manufacture, applicability are strong, and the user is easy to use.
(4) accompanying drawing explanation
Accompanying drawing is the single pneumatic valve liquid filler of LNG Liquefied natural gas pipeline schematic flow sheet.
In figure: 1. feed liquor interface 2. stop valve a 3. filter 4. flowmeter 5. pneumatic cut-off valve 6. pressure transducer 7. pressure gauge 8. liquid feeding vacuum hose 9. liquid feeding rifles 10. are inserted gun platform 11. one-way valve a 12. safety valve 13. stop valve b14. and are returned liquid interface 15. return-air rifle 16. return-air flexible pipe 17. one-way valve b 18. pressure regulator valve 19. compressed air inlet 20. air gun flexible pipe 21. air gun 22. solenoid valve 23. support 24. control gear
(5) embodiment
Embodiment:
The single pneumatic valve liquid filler of a kind of LNG Liquefied natural gas, by liquid feeding pipeline, liquid return pipe road, return line, compressed air line, support and control gear, formed, the liquid feeding pipeline comprises feed liquor interface 1, stop valve a2, filter 3, flowmeter 4, pneumatic cut-off valve 5, liquid feeding vacuum hose 8 and liquid feeding rifle 9 and connects by pipeline, is provided with pressure gauge 7 and pressure transducer 6 on the pipeline be connected with pneumatic cut-off valve 5 at flowmeter 4; The liquid return pipe road comprises inserts gun platform 10, one-way valve a11, stop valve b13 and returns liquid interface 14 and connect by pipeline, on the pipeline be connected with stop valve b13 at one-way valve a11, is provided with safety valve 12; Return line comprise return-air rifle 15, return-air flexible pipe 16 and one-way valve b17 and by pipeline respectively with the one-way valve a11 on liquid return pipe road and safety valve 12 between pipeline, the flowmeter 4 of liquid feeding pipeline be connected with the pipeline between pneumatic cut-off valve 5, and be provided with pressure regulator valve 18 on the connecting tube of liquid return pipe road and liquid feeding pipeline; Compressed air line comprises compressed air inlet 19, air gun flexible pipe 20 and air gun 21 and connects by pipeline, and compressed air line is provided with a branch road and is connected with pneumatic cut-off valve 5 by solenoid valve 22; Support 23 is rectangle welding angle bar structure, and liquid feeding pipeline, liquid return pipe road and control gear 24 are individually fixed on support 23; Control gear 24 is the single chip circuit plate, and flowmeter 4, pressure transducer 6 and solenoid valve 22 are connected with control gear 24 respectively by wire.
In this embodiment, the flowmeter model is CMF100M328NRAPMZCX; The pneumatic cut-off valve model is DJ661F-40P DN25; Solenoid valve is the two-bit triplet solenoid valve, and model is DN824V; The safety valve model is DA21F-25P DN10; The pressure transducer model is DG1300-GE-A-2-2.5; The pressure regulator valve model is DY22F-25P DN15; The one-way valve model is respectively DH61F-40P DN20 specification and DN15 specification; In the single chip circuit plate, the model of single-chip microcomputer is ATmega128;
This example structure is simple, strong adaptability, and the user is esy to use, safe and reliable, respond well.
Claims (1)
1. the single pneumatic valve liquid filler of a LNG Liquefied natural gas, it is characterized in that: by liquid feeding pipeline, liquid return pipe road, return line, compressed air line, support and control gear, formed, the liquid feeding pipeline comprises feed liquor interface, stop valve a, filter, flowmeter, pneumatic cut-off valve, liquid feeding vacuum hose and liquid feeding rifle and connects by pipeline, is provided with pressure gauge and pressure transducer on the pipeline be connected with pneumatic cut-off valve at flowmeter; The liquid return pipe road comprises slotting gun platform, one-way valve a, stop valve b and returns liquid interface and connect by pipeline, on the pipeline be connected with stop valve b at one-way valve a, is provided with safety valve; Return line comprise return-air rifle, return-air flexible pipe and one-way valve b and by pipeline respectively with the one-way valve a on liquid return pipe road and safety valve between pipeline, the flowmeter of liquid feeding pipeline be connected with the pipeline between pneumatic cut-off valve, and be provided with pressure regulator valve on the connecting tube of liquid return pipe road and liquid feeding pipeline; Compressed air line comprises compressed air inlet, air gun flexible pipe and air gun and connects by pipeline, and compressed air line is provided with a branch road and is connected with pneumatic cut-off valve by solenoid valve; Support is the rectangle welded structure, and liquid feeding pipeline, liquid return pipe road and control gear are individually fixed on support; Control gear is the single chip circuit plate, and flowmeter, pressure transducer and solenoid valve are connected with control gear respectively by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203229916U CN203322723U (en) | 2013-06-05 | 2013-06-05 | LNG (liquefied natural gas) single-pneumatic-valve liquid adding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203229916U CN203322723U (en) | 2013-06-05 | 2013-06-05 | LNG (liquefied natural gas) single-pneumatic-valve liquid adding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322723U true CN203322723U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203229916U Expired - Fee Related CN203322723U (en) | 2013-06-05 | 2013-06-05 | LNG (liquefied natural gas) single-pneumatic-valve liquid adding machine |
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| CN (1) | CN203322723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605416A (en) * | 2015-12-25 | 2016-05-25 | 江苏现代造船技术有限公司 | Marine liquefied natural gas (LNG) filling machine |
| CN108426167A (en) * | 2018-05-09 | 2018-08-21 | 重庆厚海能源设备制造有限公司 | A kind of double metering filling machines based on single current gauge |
-
2013
- 2013-06-05 CN CN2013203229916U patent/CN203322723U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605416A (en) * | 2015-12-25 | 2016-05-25 | 江苏现代造船技术有限公司 | Marine liquefied natural gas (LNG) filling machine |
| CN105605416B (en) * | 2015-12-25 | 2018-07-24 | 江苏现代造船技术有限公司 | A kind of LNG charging machines peculiar to vessel |
| CN108426167A (en) * | 2018-05-09 | 2018-08-21 | 重庆厚海能源设备制造有限公司 | A kind of double metering filling machines based on single current gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |