CN201093164Y - Natural gas liquid gas-filling machine - Google Patents
Natural gas liquid gas-filling machine Download PDFInfo
- Publication number
- CN201093164Y CN201093164Y CNU2007201763443U CN200720176344U CN201093164Y CN 201093164 Y CN201093164 Y CN 201093164Y CN U2007201763443 U CNU2007201763443 U CN U2007201763443U CN 200720176344 U CN200720176344 U CN 200720176344U CN 201093164 Y CN201093164 Y CN 201093164Y
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- Expired - Lifetime
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Abstract
The utility model relates to a gas dispenser of liquefied natural gas, which comprises a piping system, a computer control system, a case, a keyboard and a display device, wherein, the piping system comprises a liquid feeding piping system and a return liquid piping system; the liquid feeding piping system of the gas dispenser comprises a liquid feeding interface, and the liquid feeding interface is connected with a hand stop valve, a safety valve, a pneumatic switch, a feeding liquid mass flowmeter, a vacuum hose, a gas-feeding gun and an interface of the gas-feeding gun in series; the return liquid piping system of the gas dispenser comprises a pressure relief and cold insulation circulation air return tube, and the tube is connected with a hand stop valve, a safety valve, a pressure regulating valve, a return liquid mass flowmeter, a vacuum hose, a return air gun and an interface of the air return gun in series. The utility model is characterized in that the interface of the gas-feeding gun is arranged on the case, the interface of the gas return gun is communicated with the safety valve and the return liquid piping system, the return liquid piping system is communicated with the return gas gun via the vacuum hose, the gas-feeding gun and the gas return gun are respectively connected with the interface of the gas-feeding gun and the interface of the gas return gun, a pressure gauge is connected between the pressure regulating valve and the return liquid mass flowmeter; in addition, compressed air which drives the pneumatic switch and a defrost gun are communicated with an electromagnetic valve and the pneumatic switch. The gas dispenser has the advantages of low production cost, high measurement accuracy, being able to accurately calculate trade accounting between a gas filing station and customers.
Description
Technical field
The utility model is a kind of liquefied natural gas aerating machine, belongs to the automobile fuel gas loading technique, relates to the improvement to the automobile liquefied natural gas aerating machine.
Background technique
LNG Liquefied natural gas is called for short LNG, is a kind of clean automobile fuel.And existing filling machine equipment is when liquid feeding finishes, and subtract each other with the numerical value of two flowmeters meterings, and its difference adds the numerical value of automobile liquid container as reality, and according to this as the foundation of clearing.The measuring accuracy of this mode is not high.Often cause and the user between contradiction, and the cost that existing filling machine is provided with is very high.Can't reach the purpose of precooling, what annotate in the time of can not ensuring to refueling is liquid.
Summary of the invention
Purpose of the present invention designs at the deficiency that exists on the above-mentioned existing product just a kind of liquefied natural gas aerating machine is provided, and its objective is to reduce the filling machine cost, improves the measuring accuracy height, can accurately calculate gas station and client's trade and adjust.
The purpose of this utility model realizes by following measure:
This kind liquefied natural gas aerating machine, comprise pipe-line system, computerized control system, housing, keyboard and display device, wherein pipe-line system comprises feed liquor pipe-line system and liquid return pipe road system, the feed liquor pipe-line system of filling machine comprises: the feed liquor interface and the hand stop valve of filling machine, safety valve, pneumatic on-off valve, the feed liquor mass flowmenter, vacuum hose, air filling gun is connected with the air filling gun interface, the liquid return pipe road system of filling machine comprises: release, cold insulation loops back tracheae and hand stop valve, safety valve, pressure regulator valve, return the liquid mass flowmenter, vacuum hose, the return-air rifle is connected with return-air rifle interface, it is characterized in that, the air filling gun interface is arranged on the housing, return-air rifle interface and safety valve, liquid return pipe road system connectivity, liquid return pipe road system is connected with the return-air rifle by vacuum hose, air filling gun is connected with return-air rifle interface with the air filling gun interface respectively with the return-air rifle, pressure gauge is connected pressure regulator valve by steel pipe and returns between the liquid mass flowmenter, in addition, drive the pressurized air and the solenoid valve of jettron and defrosting rifle, pneumatic on-off valve is communicated with.
Description of drawings
Fig. 1 is an overall structure connection diagram of the present utility model
Embodiment
Below with reference to drawings and Examples the utility model product is further described:
Shown in accompanying drawing 1, a kind of liquefied natural gas aerating machine, comprise pipe-line system, computerized control system CPU22, housing, keyboard 25 and two display devices 23,24, wherein pipe-line system comprises feed liquor pipe-line system and liquid return pipe road system, the feed liquor pipe-line system of filling machine comprises: the feed liquor interface 1 and the hand stop valve 2 of filling machine, safety valve 3, pneumatic on-off valve 4, feed liquor mass flowmenter 5, vacuum hose 27, air filling gun 6 is connected with air filling gun interface 8, the liquid return pipe road system of filling machine comprises: release, cold insulation loops back tracheae 12 and hand stop valve 11, safety valve 9, pressure regulator valve 13, return liquid mass flowmenter 14, vacuum hose 26, return-air rifle 15 is connected with return-air rifle interface 16, it is characterized in that, air filling gun interface 8 is arranged on the housing, return-air rifle interface 16 and safety valve 9, liquid return pipe road system connectivity, liquid return pipe road system is connected with return-air rifle 15 by vacuum hose 26, air filling gun 6 is connected with return-air rifle interface 16 with air filling gun interface 8 respectively with return-air rifle 15, pressure gauge 18 is connected pressure regulator valve 13 by steel pipe and returns between the liquid mass flowmenter 14, in addition, drive the pressurized air 17 and solenoid valve 10 of jettron and defrosting rifle, pneumatic on-off valve 4 is communicated with.
Whole system keeps low temperature under connected state; Filling machine is following in working order, and feed liquor mass flowmenter 5 and time liquid mass flowmenter 14 are counted respectively.When filling machine was given automobile liquid container liquid feeding, the first step was carried out the precooling circulation; In second step, return-air rifle 15 and air filling gun 6 are received respectively on the return-air mouth and suction port of automobile liquid container; The 3rd step, open solenoid valve 10 beginning liquid feedings, simultaneously, the gaseous substance in the liquid container by returning 14 meterings of liquid mass flowmenter, returns gas station by return-air rifle 15; The 4th step, after filling machine finishes filling, air filling gun 6 and return-air rifle 15 are taken off from the suction port and the return-air mouth of automobile liquid container respectively, and receive on the air filling gun interface 8 and return-air rifle interface 16 of casing, numerical value by 5 meterings of feed liquor mass flowmenter deducts back the numerical value that liquid mass flowmenter 14 measures, and its difference adds the numerical value of automobile liquid container as reality.
In addition, this product is provided with flame-proof switch 21, explosion-proof electrical source Direct box 20 and anti-explosion terminal box 10 and is connected in series successively, is connected with power supply 28 again.
The utility model product has increased safety valve, pressure regulator valve and the precooling circulatory system, and filling machine is following in working order, and feed liquor mass flowmenter 5 and time liquid mass flowmenter 14 are counted respectively, can guarantee that the trade between measuring accuracy and gas station and client is adjusted.
The utility model has the advantages that:
One, measuring accuracy height.The utility model filling machine is innovation to some extent structurally, filling machine is under off working state, air filling gun 6 is connected with return-air rifle interface 16 with air filling gun interface 8 respectively with return-air rifle 15, whole system is carried out the cryogenic media circulation under connected state, get rid of the boil-off gas in the pipeline, avoided the influence of boil-off gas residual in the pipeline like this gas filling accuracy.
Two, safety valve and pressure regulator valve have been increased.The utility model filling machine is under off working state, and cryogenic liquide meeting generating gasification makes whole filling machine increased pressure, has increased after the safety valve 9, and the boil-off gas in the filling machine pipeline is known from experience by safety valve 9 releases, and safety coefficient is improved greatly; The utility model filling machine in working order down, gaseous substance in the automobile liquid container can have very big influence to gas filling accuracy, has increased after the pressure regulator valve 13, passes through setup pressure value, can guarantee that return liquid system is a liquid meter, thereby improve measuring accuracy greatly.
Three, increased the precooling circulatory system.The utility model filling machine by the precooling circulatory system, carries out the precooling circulation without low-temperature storage tank before aerating, what assurance was filled into the automobile liquid container all is liquid.
Four, the trade that can accurately measure between gas station and the client is adjusted.The utility model filling machine need not a plurality of electromagnetic valve, only with the 4 beginning aeratings of solenoid valve 10 control pneumatic on-off valves, in the time of liquid feeding, return-air rifle 15 links to each other with the automobile liquid container, because the effect of pressure regulator valve 13, liquid phase substance in the liquid container returns gas station by return liquid system, return course carries out accurate measurement, after liquid feeding finishes, deduct back the numerical value of liquid mass flowmenter 14 meterings with the numerical value of feed liquor mass flowmenter 5 meterings, its difference adds the numerical value of automobile liquid container as reality, owing to be to measure simultaneously, has got rid of the error in dipping that the liquid gasification causes when separately measuring.
Claims (1)
1. liquefied natural gas aerating machine, comprise pipe-line system, computerized control system, housing, keyboard and display device, wherein pipe-line system comprises feed liquor pipe-line system and liquid return pipe road system, the feed liquor pipe-line system of filling machine comprises: the feed liquor interface (1) of filling machine and hand stop valve (2), safety valve (3), pneumatic on-off valve (4), feed liquor mass flowmenter (5), vacuum hose (27), air filling gun (6) is connected with air filling gun interface (8), the liquid return pipe road system of filling machine comprises: release, cold insulation loops back tracheae (12) and hand stop valve (11), safety valve (9), pressure regulator valve (13), return liquid mass flowmenter (14), vacuum hose (26), return-air rifle (15) is connected with return-air rifle interface (16), it is characterized in that, air filling gun interface (8) is arranged on the housing, return-air rifle interface (16) and safety valve (9), liquid return pipe road system connectivity, liquid return pipe road system is connected with return-air rifle (15) by vacuum hose (26), air filling gun (6) is connected with return-air rifle interface (16) with air filling gun interface (8) respectively with return-air rifle (15), pressure gauge (18) is connected pressure regulator valve (13) by steel pipe and returns between the liquid mass flowmenter (14), in addition, drive the pressurized air (17) and solenoid valve (10) of jettron and defrosting rifle, pneumatic on-off valve (4) is communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201763443U CN201093164Y (en) | 2007-09-10 | 2007-09-10 | Natural gas liquid gas-filling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201763443U CN201093164Y (en) | 2007-09-10 | 2007-09-10 | Natural gas liquid gas-filling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201093164Y true CN201093164Y (en) | 2008-07-30 |
Family
ID=39901132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201763443U Expired - Lifetime CN201093164Y (en) | 2007-09-10 | 2007-09-10 | Natural gas liquid gas-filling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201093164Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182916A (en) * | 2011-02-11 | 2011-09-14 | 张家港富瑞特种装备股份有限公司 | Liquefied natural gas filling machine |
| CN102242866A (en) * | 2011-07-01 | 2011-11-16 | 新兴能源装备股份有限公司 | Natural gas filling method for hydraulic natural gas filling substation |
| CN102705700A (en) * | 2012-05-31 | 2012-10-03 | 天津华迈燃气装备股份有限公司 | Liquid filler for liquefied natural gas vehicle |
| CN103822090A (en) * | 2014-03-11 | 2014-05-28 | 成都深冷凌泰机电科技有限公司 | Liquefied natural gas dispenser capable of detecting inner leakage automatically and inner leakage detection method thereof |
| CN106051453A (en) * | 2016-07-26 | 2016-10-26 | 郑州朗润智能装备股份有限公司 | Splashing preventing device of liquefied natural gas (LNG) filling machine |
-
2007
- 2007-09-10 CN CNU2007201763443U patent/CN201093164Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182916A (en) * | 2011-02-11 | 2011-09-14 | 张家港富瑞特种装备股份有限公司 | Liquefied natural gas filling machine |
| CN102242866A (en) * | 2011-07-01 | 2011-11-16 | 新兴能源装备股份有限公司 | Natural gas filling method for hydraulic natural gas filling substation |
| CN102242866B (en) * | 2011-07-01 | 2013-07-24 | 新兴能源装备股份有限公司 | Natural gas filling method for hydraulic natural gas filling substation |
| CN102705700A (en) * | 2012-05-31 | 2012-10-03 | 天津华迈燃气装备股份有限公司 | Liquid filler for liquefied natural gas vehicle |
| CN103822090A (en) * | 2014-03-11 | 2014-05-28 | 成都深冷凌泰机电科技有限公司 | Liquefied natural gas dispenser capable of detecting inner leakage automatically and inner leakage detection method thereof |
| CN103822090B (en) * | 2014-03-11 | 2016-06-29 | 成都深冷凌泰机电科技有限公司 | Automatically the liquefied natural gas aerating machine of internal hemorrhage due to trauma and the method for detection internal hemorrhage due to trauma thereof are detected |
| CN106051453A (en) * | 2016-07-26 | 2016-10-26 | 郑州朗润智能装备股份有限公司 | Splashing preventing device of liquefied natural gas (LNG) filling machine |
| CN106051453B (en) * | 2016-07-26 | 2019-04-26 | 郑州朗润智能装备股份有限公司 | A kind of liquefied natural gas filling machine anti-splash device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080730 |
|
| CX01 | Expiry of patent term |