CN201162936Y - Liquefied natural gas feeder - Google Patents
Liquefied natural gas feeder Download PDFInfo
- Publication number
- CN201162936Y CN201162936Y CNU2008200304492U CN200820030449U CN201162936Y CN 201162936 Y CN201162936 Y CN 201162936Y CN U2008200304492 U CNU2008200304492 U CN U2008200304492U CN 200820030449 U CN200820030449 U CN 200820030449U CN 201162936 Y CN201162936 Y CN 201162936Y
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- gas
- liquefied natural
- filling gun
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- housing
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Abstract
The utility model discloses a liquefied natural gas filling machine, which comprises a case body; wherein, the case body is provided with a keyboard, a display device, a gas filling gun and a revolving and suspending device; a gas-liquid separator, a flowmeter, a first programmed valve, a first holding valve, a second holding valve and a pressure sensor are connected in series in the case body in sequence; the gas inlet pipeline of the gas filling gun is connected with the pressure sensor; the cycle interface of the gas filling gun is communicated with a gas back pipe of a gas filling station pipeline system by a third holding valve; the position between the flowmeter and the first programmed valve is connected with the gas back pipe of the gas filling station pipeline system through the first holding valve and the second holding valve; the gas-liquid separator is connected with the liquid supply device of the gas filling station pipeline system. The liquefied natural gas filling machine has the advantages of high measuring accuracy, simple structure, convenient operation and low cost.
Description
Technical field
The utility model relates to a kind of automotive fuel filing provision, specifically a kind of liquefied natural gas aerating machine.
Background technique
LNG Liquefied natural gas is called for short LNG, can be used as a kind of clean automobile fuel.
(DISPENSING SYSTEM FORREFUFLING TRANSPORT CONTAINERS WITH CRYOGENIC LIQUIDS) introduced a kind of loading system of cryogenic media in the U.S. Pat 5582218 cryogenic liquide fuel reservoir loading techniques, can be used for liquefied natural gas aerating machine, its theory structure is seen Fig. 1.53 is LNG (LNG Liquefied natural gas) gas station pipe-line system structural representations among Fig. 1.Input end by LNG basin 52, gas station liquid feed means 518 connects, and the output terminal of gas station liquid feed means 518 is connected with the external port of the liquid entering hole 522 of filling machine by gas station indusion tube 517.One end of Circulation pipe 54 is connected with the external port of the circulation interface 523 of filling machine, and its other end puts in the LNG basin 52.One end of muffler 55 is connected with the external port of the return-air interface 524 of filling machine, and its other end puts in the LNG basin 52 and is connected with dissipation device 1.56 is filling machine schematic representation among Fig. 1, and it comprises pipe-line system, housing and is installed in keyboard and display device on the housing.A feed liquor interface 522, circulation interface 523 and return-air interface 524 are arranged on filling machine, metal tube 510 is arranged on housing, this metal tube 510 is connected with air filling gun 512 by metallic hose 511.Flowmeter 516, solenoid valve 514, unidirectional stop valve 513 and pressure transducer 59 successively are being connected in series between feed liquor interface 522 and metal tube 510.Flowmeter 516 and, be communicated with an end of solenoid valve 515 by a threeway between the solenoid valve 514, the other end of solenoid valve 515 is communicated with the inner port of circulation interface 523.Being connected by threeway connection of connecting with the input port of solenoid valve 58 and flowmeter 57 of unidirectional stop valve 513 and pressure transducer 59, the output port of flowmeter 57 is communicated with by the inner port of pipeline with return-air interface 524.
The working principle of this filling machine is: when filling machine is given automobile mounted bottle of liquid feeding, at first air filling gun 512 is connected on the automobile mounted bottle (not drawing among the figure), opens solenoid valve 58.Close solenoid valve 514, the gaseous substance in the automobile mounted bottle is entered in the basin 52 by muffler 55.Then, the numerical value of closing solenoid valve 58 and 515 meterings deduct the numerical value of flowmeter 57 metering, and its difference adds the numerical value of automobile liquid container as reality, and according to this as the foundation of clearing.
This filling machine has following two shortcomings:
1, when each liquid feeding, as long as open solenoid valve 514, flowmeter 516 promptly begins to measure the flow by itself, when liquid feeding finishes shutdown, will residual LNG liquid in the metal tube 510, and along with the time is elongated, the pipeline heat absorption makes the LNG gasification.When next aerating, LNG liquid in the metal tube 510 will partly or entirely convert gas to, and like this, what flowmeter measured is liquid, what enter vehicle-mounted bottle is gas or gas-liquid mixture and the starting stage of liquid feeding is actual, can influence the measuring accuracy of filling machine so undoubtedly.And since difference blanking time of filling machine work, the amount of vaporization difference in the metal tube 510, and this error can not be deducted by calculating with a fixed amount.
2, two flowmeters are arranged in this filling machine, one is used for the metering liquid amount, and one is used for measuring gas flow, complex structure, cost height.Flowmeter generally needs tens thousand of yuans one, has improved the complete machine cost of whole filling machine greatly.
Fig. 2 is domestic existing liquefied natural gas aerating machine schematic representation.Working procedure and U.S. Pat 5582218 are basic identical, and as can be seen, it has increased by one and has recovered air gun array, and the cost of this machine is improved; Established a cover gas-liquid separator less, made flowmeter when metering, cause the gas-liquid two-phase mixing weighing easily, made the measuring accuracy of liquid feeding error occur.
Summary of the invention
In order to overcome the problem that prior art exists, the purpose of this utility model provides a kind of liquefied natural gas aerating machine, and this liquefied natural gas aerating machine measuring accuracy is higher, simple in structure, easy to operate, cost is low.
The purpose of this utility model is achieved through the following technical solutions:
A kind of liquefied natural gas aerating machine comprises housing.On housing, be provided with keyboard, display device and air filling gun; It is characterized in that: the gas-liquid separator of in housing, connecting successively, flowmeter, first sequencing valve, first one-way valve, second one-way valve and pressure transducer; Air filling gun is connected with pressure transducer; The circulation interface of air filling gun communicates with the muffler of gas station pipe-line system by the 3rd one-way valve; Be connected with the muffler of gas station pipe-line system by first one-way valve and second sequencing valve between the flowmeter and first sequencing valve; Gas-liquid separator is connected with liquid feed means in the gas station pipe-line system.
Use for convenient, on housing, be provided with the suspension arrangement that is used for hanging air filling gun, described suspension arrangement be arranged on can the whirligig of 360 ° of rotations on.Whirligig can be arranged on upper end or other position of housing, also can be arranged on housing one side separately.Thereby make that can be vehicle slot jar liquid feeding on two meters on filling machine periphery in the scope in interior 360 ° of orientation, and alleviate operator's working strength.
Described whirligig comprises runing rest, wire rope, Equilibrator and pulley, and an end of wire rope is connected with air filling gun, and the other end is connected with Equilibrator; Wire rope by pulley be arranged on can the runing rest of 360 ° of rotations on.Equilibrator should be suitable with the weight of air filling gun.The characteristics of whirligig are to locate up and down, 360 ° of rotations (at present about the heavily about 6kg of air filling gun that uses in the world), as hanging labour-saving device, general woman worker is difficult to continuous running, whirligig add Equilibrator makes air filling gun can be very like a cork location up and down, can operate leicht fallen D/A arbitrarily within two meters of the circumference.
In the utility model, have metallic hose to be connected with air filling gun on housing, the air filling gun circulation interface is connected with liquid return hole by unidirectional stop valve again, can carry out the major cycle of pipeline cryogenic media.
During use, air filling gun is inserted vehicle-mounted bottle (motor vehicle reservoir) interface (if the air pressure of storage tank is greater than the pressure of gas station, carry out the return-air decompression,) successively by metallic hose, first unidirectional stop valve, second unidirectional stop valve, flowmeter, gas-liquid separator, open sequencing valve and return pipe-line system into gas station, make the pressure in the vehicle-mounted bottle be equal to the pressure in the liquid container in the gas station, and pass through the pressure and temperature of sensor test vehicle-mounted bottle.
Compared with prior art, the utility model has the advantages that:
1, measuring accuracy is higher.The preceding air filling gun of aerating is at first received the air filling gun circulation interface and is carried out the cryogenic media circulation, get rid of the boil-off gas in the pipeline, rapidly air filling gun is inserted the automobile liquid entering hole then and begin, avoided the influence of boil-off gas residual in the pipeline like this gas filling accuracy to automobile liquid container liquid feeding.In addition, in the liquid feeding process, because the gas station pipe-line system is to long one section pipeline being arranged between the flowmeter and can produce gas in this pipeline and the flowmeter in the blanking time of liquid feeding, can influence the measuring accuracy of flowmeter, gas-liquid separator in this liquefied natural gas aerating machine will play corresponding gas-liquid separation effect, making in the liquid that enters flowmeter does not have gas, can make the measuring accuracy of liquid feeding higher.
2, cost is low.The utility model is compared with the liquefied natural gas aerating machine of the U.S., a flowmeter, control ball valve and a respective line have been reduced, reduced cost, comparing with domestic existing liquefied natural gas aerating machine has increased gas-liquid separator, reduced one and recovered air gun array, the cost of this machine of making further reduces, and gas and liquid in the pipeline are separated, and improves the validity of flowmeter.
3, easy to use.The utility model is furnished with whirligig and suspension arrangement, can be the vehicle-mounted bottle liquid feeding with interior 360 ° of orientation for two meters at the periphery of filling machine, has alleviated labor intensity of operating personnel greatly.
Description of drawings
Fig. 1 is U.S. Pat 5582218 refueling system schematic representation;
Fig. 2 is domestic existing liquefied natural gas aerating machine schematic representation;
Fig. 3 is a structural representation of the present utility model;
Fig. 4 is the structural representation that whirligig is set in the housing upper end in the utility model.
Embodiment
Describe the utility model in detail below in conjunction with Fig. 3 and Fig. 4.
A kind of liquefied natural gas aerating machine described in the utility model comprises housing 25.On housing 25, be provided with keyboard 251, display device 252, air filling gun 17 and whirligig 23, suspension arrangement 22.
Liquefied natural gas aerating machine is connected with gas station pipe-line system 3.Gas station pipe-line system 3 comprises storage tank 2 and liquid feed means 24; In storage tank 2, be provided with dissipation device 1; In filling machine housing 25, connecting successively gas-liquid separator 7, flowmeter 10, first sequencing valve 13, first one-way valve 11, second one-way valve 12 and pressure transducer 15, air filling gun 17 is connected with pressure transducer 15; The circulation interface 18 of air filling gun 17 is connected with muffler 4 with liquid return hole 20 by the 3rd one-way valve 19 and communicates with storage tank 2; Be connected with muffler 4 with second sequencing valve 14 by first one-way valve 11 between the flowmeter 10 and first sequencing valve 13; Gas-liquid separator 7 is connected with liquid feed means 24 by feed liquor interface 21.
On housing 25, be provided with the suspension arrangement 22 that is used for hanging air filling gun 17, described suspension arrangement 22 be arranged on can the whirligig 23 of 360 ° of rotations on.Whirligig 23 is arranged on the upper end of housing 25.Periphery at filling machine can be an automobile mounted bottle of liquid feeding with interior 360 ° of orientation for two meters like this, and can alleviate labor intensity of operating staff.
Whirligig 23 comprises runing rest 231, wire rope 232, Equilibrator 233 and pulley 234, and an end of wire rope 232 is connected with air filling gun 17, and the other end is connected with Equilibrator 233; Wire rope 232 by pulley 234 be arranged on can the runing rest 231 of 360 ° of rotations on.Equilibrator 233 should be suitable with air filling gun 17.Equilibrator 233 is connected with rope sheave 234.
A safety valve 8 and manually operated valve 9 are arranged on gas-liquid separator 7, increase as gas-liquid separator 7 pressure and break through directly emptying of safety valve 8.
In the utility model, gas-liquid separator 7, flowmeter 10, first sequencing valve 13, air filling gun 17, circulation interface 18, the 3rd unidirectional stop valve 19 to basin 2 for carrying out major cycle.
Gas-liquid separator 7, flowmeter 10, first unidirectional stop valve 11, second sequencing valve 14 to basin 2 for carrying out short circle.
Working principle of the present utility model is:
At first judge the pressure of vehicle-mounted bottle,, then when first vehicle-mounted bottle is by aerating after the not aerating for a long time, just carry out major cycle earlier, give the vehicle-mounted bottle liquid feeding then if the pressure of vehicle-mounted bottle is not more than the pressure of gas station pipe-line system; And vehicle-mounted bottle thereafter need not carry out major cycle during by aerating, just can give the vehicle-mounted bottle liquid feeding, and concrete steps are as follows:
If the pressure in the vehicle-mounted bottle greater than the pressure of gas station pipe-line system, then at first carries out step-down to vehicle-mounted bottle and handles, the situation that is not more than the pressure of gas station pipe-line system by the pressure in the vehicle-mounted bottle is given the vehicle-mounted bottle liquid feeding then.
Concrete steps are as follows:
The first step, air filling gun 17 is inserted the vehicle-mounted bottle interface carry out the return-air decompression, open second sequencing valve by metallic hose, second unidirectional stop valve 12, flowmeter 10, gas-liquid separator 7 successively and go into the gas station pipe-line system 14 times, make the pressure in the vehicle-mounted bottle be equal to the pressure of gas station pipe-line system, and pass through the pressure and temperature in the sensor 15 test vehicle-mounted bottles.
Second step, air filling gun 17 received carry out cryogenic media circulation on the circulation port 18, gas in the drain, then air filling gun is pulled down from 18 and rapidly air filling gun is inserted vehicle-mounted bottle feed liquor interface, opening air filling gun begins to vehicle-mounted bottle filling LNG Liquefied natural gas, pull down air filling gun 17 after the end, be put back into gun platform or hang in rotation, on the suspension arrangement 23,22.Calculate with flowmeter 10 metering numerical value, display device shows automatically.
In the interval of twice liquid feeding (time was shorter than in 10 minutes), the utility model then carries out short circle automatically, in the interior full of liquid of dependable flow, makes accurate measurement.
The height of size of the present utility model and operation all is fit to personnel operation, and all panels all connect with bolt, and every panel can dismounting, is convenient to maintenance, safeguards.
Claims (4)
1, a kind of liquefied natural gas aerating machine comprises housing (25), is provided with keyboard (251), display device (252) and air filling gun (17) on housing (25); It is characterized in that: the gas-liquid separator (7) of in housing (25), connecting successively, flowmeter (10), first sequencing valve (13), first one-way valve (11), second one-way valve (12) and pressure transducer (15); There is pressure transducer (15) to connect on air filling gun (17) air inlet pipeline; The circulation interface (18) of air filling gun (17) communicates with the muffler (4) of gas station pipe-line system (3) by the 3rd one-way valve (19); Be connected with the muffler (4) of gas station pipe-line system (3) with second sequencing valve (14) by first one-way valve (11) between flowmeter (10) and first sequencing valve (13); Gas-liquid separator (7) is connected with the liquid feed means of gas station pipe-line system (3).
2, liquefied natural gas aerating machine according to claim 1 is characterized in that: on housing (25), be provided with the suspension arrangement (22) that is used for hanging air filling gun (17), described suspension arrangement (22) be arranged on can the whirligig (23) of 360 ° of rotations on.
3, liquefied natural gas aerating machine according to claim 2, it is characterized in that: described whirligig (23) comprises runing rest (231), wire rope (232), Equilibrator (233) and pulley (234), one end of wire rope (232) is connected with air filling gun (17), and the other end is connected with Equilibrator (233); Wire rope (232) by pulley (234) be arranged on can＜runing rest (231) that rotates in 90 ° of scopes on.
4, according to claim 2 or 3 described liquefied natural gas aerating machines, it is characterized in that: described whirligig (23) and suspension arrangement (22) be arranged on the upper end of housing (25) or housing (25) around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200304492U CN201162936Y (en) | 2008-01-04 | 2008-01-04 | Liquefied natural gas feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200304492U CN201162936Y (en) | 2008-01-04 | 2008-01-04 | Liquefied natural gas feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201162936Y true CN201162936Y (en) | 2008-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200304492U Expired - Fee Related CN201162936Y (en) | 2008-01-04 | 2008-01-04 | Liquefied natural gas feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201162936Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010111888A1 (en) * | 2009-03-31 | 2010-10-07 | Shen Jun | Gas filling machine and gas filling station composed thereof |
| CN102032439A (en) * | 2009-09-28 | 2011-04-27 | 张家港圣汇气体化工装备有限公司 | Suspension device for liquefied natural gas filling gun |
| CN102032440A (en) * | 2009-09-28 | 2011-04-27 | 张家港圣汇气体化工装备有限公司 | Gas-liquid separator for liquefied natural gas filling system |
| CN101761773B (en) * | 2010-01-08 | 2012-08-22 | 张家港富瑞特种装备股份有限公司 | Liquefied natural gas dispenser |
| 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 |
| CN103574283A (en) * | 2012-07-20 | 2014-02-12 | 北京超拓远大石油科技有限公司 | Liquefied natural gas (LNG) emergency mobile filling device |
| CN103935497A (en) * | 2014-05-09 | 2014-07-23 | 中国葛洲坝集团机械船舶有限公司 | Movable gas adding ship |
| CN105864630A (en) * | 2016-04-08 | 2016-08-17 | 海宁市英德赛电子有限公司 | High-purity ammonia filling system and filling method using filling system to fill high-purity ammonia |
| CN110345379A (en) * | 2019-07-04 | 2019-10-18 | 酒泉顺鑫气体股份有限公司 | The gas filling device that a kind of sealing is stable and protective value is good |
-
2008
- 2008-01-04 CN CNU2008200304492U patent/CN201162936Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010111888A1 (en) * | 2009-03-31 | 2010-10-07 | Shen Jun | Gas filling machine and gas filling station composed thereof |
| CN102032439A (en) * | 2009-09-28 | 2011-04-27 | 张家港圣汇气体化工装备有限公司 | Suspension device for liquefied natural gas filling gun |
| CN102032440A (en) * | 2009-09-28 | 2011-04-27 | 张家港圣汇气体化工装备有限公司 | Gas-liquid separator for liquefied natural gas filling system |
| CN101761773B (en) * | 2010-01-08 | 2012-08-22 | 张家港富瑞特种装备股份有限公司 | Liquefied natural gas dispenser |
| 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 |
| CN103574283A (en) * | 2012-07-20 | 2014-02-12 | 北京超拓远大石油科技有限公司 | Liquefied natural gas (LNG) emergency mobile filling device |
| CN103574283B (en) * | 2012-07-20 | 2015-08-26 | 北京超拓远大石油科技有限公司 | A kind of LNG meets an urgent need mobile filling apparatus |
| CN103935497A (en) * | 2014-05-09 | 2014-07-23 | 中国葛洲坝集团机械船舶有限公司 | Movable gas adding ship |
| CN105864630A (en) * | 2016-04-08 | 2016-08-17 | 海宁市英德赛电子有限公司 | High-purity ammonia filling system and filling method using filling system to fill high-purity ammonia |
| CN105864630B (en) * | 2016-04-08 | 2018-03-20 | 海宁市英德赛电子有限公司 | High-purity ammon charging system and fill the methods for filling of high-purity ammon using it |
| CN110345379A (en) * | 2019-07-04 | 2019-10-18 | 酒泉顺鑫气体股份有限公司 | The gas filling device that a kind of sealing is stable and protective value is good |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Xinye Electric Engineering Co., Ltd. Assignor: Liu Yadong Contract fulfillment period: 2009.6.1 to 2012.6.30 Contract record no.: 2009320001306 Denomination of utility model: Liquefied natural gas aerating machine and aerating method Granted publication date: 20081210 License type: exclusive license Record date: 20090729 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.6.1 TO 2012.6.30; CHANGE OF CONTRACT Name of requester: NANJING XINYE ELECTRIC ENGINEERING CO., LTD. Effective date: 20090729 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20100204 |