CN102537655A - Liquefied natural gas (LNG) supply system - Google Patents
Liquefied natural gas (LNG) supply system Download PDFInfo
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- CN102537655A CN102537655A CN2012100081989A CN201210008198A CN102537655A CN 102537655 A CN102537655 A CN 102537655A CN 2012100081989 A CN2012100081989 A CN 2012100081989A CN 201210008198 A CN201210008198 A CN 201210008198A CN 102537655 A CN102537655 A CN 102537655A
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- natural gas
- liquefied natural
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Abstract
The invention discloses a liquefied natural gas (LNG) supply system. The system comprises a storage system, a pressure regulating system and a metering system, wherein the storage system comprises a storage tank; an output pipeline of the storage tank is connected with the metering system; the metering system comprises a turbine flowmeter with an integrated circuit (IC) card; a vaporizer and the turbine flowmeter with the IC card are sequentially arranged on the output pipeline along the output direction of natural gas; and the natural gas is finally output to a user terminal. By the LNG supply system, the IC card is swiped when a user needs to use the gas, the output pipeline cannot be opened when money is not left in the IC card, and the gas is well supplied in an area automatically.
Description
Technical field
The present invention relates to pipeline air feed field, be meant a kind of LNG Liquefied natural gas air supply system especially.
Background technique
LNG Liquefied natural gas (being called for short LNG usually) is applied to replacement coal gas in life etc. and has formed the sizable industry of scale as the fuel of high-efficiency cleaning, and present LNG air supply system comprises stocking system, voltage-regulating system, metering system; Said stocking system comprises storage tank, is connected with intake line and output pipe on the said storage tank, and said output pipe is used for the air feed to the terminal use; Said output pipe upper edge natural gas flow is to be provided with vaporizer and metering control system successively, and said intake line is provided with the topping up interface that is used for to said storage tank internal-filling liquid, offers relief opening on the said storage tank; Said relief opening is connected with the gas exhaust piping of band safety valve; Said voltage-regulating system comprises the pressurized machine that is used to improve tank inner pressure, and liquid level detection device and pressure-detecting device also are installed on the storage tank, and LNG uses afterwards earlier to charge at present; The user who has in the process that collects of expense mismatches; Tend to occur various problem, cause expense in time not arrive account, become the problem that the LNG industry is very had a headache.In addition; The LNG air supply system is confined to the gas station mode at present and builds; Cost is higher, as away from can't the setting up the LNG vaporizing station and maybe need not set up small-sized residential belt of LNG vaporizing station etc. of city and pipe network, has significant limitation for the situation of little consumption usefulness gas in the use.
Summary of the invention
Technical problem to be solved by this invention is: the LNG Liquefied natural gas that uses behind a kind of post-pay paystation air supply system is provided.
Another technical problem that the present invention solves is can in time detect LNG Liquefied natural gas to have or not leakage situation.
Another technical problem that the present invention also solves is the situation that is applicable to little consumption usefulness gas, is particularly useful for independent gas supplies such as individual region and biotope.
For solving the problems of the technologies described above; Technological scheme of the present invention is: the LNG Liquefied natural gas air supply system, comprise stocking system, voltage-regulating system, metering system, and said stocking system comprises storage tank; Be connected with metering system on the output pipe of said storage tank; Said metering system comprises the turbine flowmeter of being with IC-card, and the output trend of said output pipe upper edge rock gas is equipped with the turbine flowmeter of vaporizer, band IC-card successively, outputs to user terminal at last.
As a kind of preferred scheme, said LNG Liquefied natural gas air supply system comprises and adds smelly system, saidly adds smelly system and comprises device for adding odor and electric-heating belt, and said device for adding odor and electric-heating belt are installed between the turbine flowmeter of vaporizer and band IC-card in proper order.
As a kind of preferred scheme; Tank body and outer tank body in said storage tank comprises; Be provided with heat insulation radiation proof thermoinsulation material in the cavity in said between tank body and the outer tank body, said cavity is connected with vacuum pumping device, and said outer tank body is provided with the vacuum test interface that is communicated with cavity.
As a kind of preferred scheme, the LNG Liquefied natural gas air supply system is installed on the sled.
After having adopted technique scheme; Effect of the present invention is: the metering system of LNG Liquefied natural gas air supply system of the present invention comprises the turbine flowmeter of being with IC-card; The user needs the time standby IC-card of usefulness gas to swipe the card to get final product, if rich then output pipe is opened in the IC-card, when in the IC-card poor the time; Output pipe is opened, thereby well in the zone, realized automatic air feed.
Again since said LNG Liquefied natural gas air supply system comprise and add smelly system, the said stink that added the adding that rock gas is suitable of smelly system, thus can in time find the LNG Liquefied natural gas leakage situation.
Again since said LNG Liquefied natural gas air supply system be installed on the sled, can be flexibly, postcombustion easily, so be highly suitable for the situation of little consumption usefulness gas, be particularly useful for independent gas supplies such as individual region and biotope.In addition, tank body and outer tank body in said storage tank comprises are provided with heat insulation radiation proof thermoinsulation material in the cavity between said interior tank body and the outer tank body; Said cavity is connected with vacuum pumping device, and said outer tank body is provided with the vacuum test interface that is communicated with cavity, and tank body can obtain and keep for a long time high vacuum; Guarantee that day relative evaporation index is good; Guarantee in the working procedure temperature increasing degree in critical field, pressure stability, transportation safety is reliable.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the flow chart of the embodiment of the invention;
In the accompanying drawing: 1. liquid level pressure detecting system; 2. stocking system; 21. storage tank; 22. vacuumize interface; 23. vacuum test interface; 3. metering system; 31. the turbine flowmeter of band IC-card; 4. add smelly system; 41. device for adding odor; 42. electric-heating belt; 5. vaporizer; 6. topping up interface; 7. pressurized machine; 8. output pipe; 9. intake line; A 91. intake line.
Embodiment
Through specific embodiment LNG Liquefied natural gas air supply system of the present invention is done further to describe in detail below.
As shown in Figure 1; The LNG Liquefied natural gas air supply system comprises stocking system 2, voltage-regulating system, metering system 3, and said stocking system 2 comprises storage tank 21; Tank body and outer tank body in said storage tank 21 comprises; Be provided with heat insulation radiation proof thermoinsulation material in the cavity in said between tank body and the outer tank body, said cavity is connected with vacuum pumping device through vacuumizing interface 22, and said outer tank body is provided with the vacuum test interface 23 that is communicated with cavity; Heat insulation layer is provided with low temperature and the dual adsorbent equipment of normal temperature, can obtain and keep for a long time high vacuum.Said storage tank is provided with overflow passage, and said overflow passage is provided with relief valve.
Be connected with intake line 9 and output pipe 8 on the said storage tank 21; Said output pipe 8 is used for the air feed to the terminal use; Be connected with metering system 3 on the output pipe 8 of said storage tank 21; Said metering system 3 comprises the turbine flowmeter 31 of being with IC-card, and the output trend of said output pipe 8 upper edge rock gases is equipped with the turbine flowmeter 31 of vaporizer 5, band IC-card successively, outputs to user terminal at last.Said intake line 9 is provided with the topping up interface 6 that is used for to said storage tank internal-filling liquid; Offer relief opening on the said storage tank 21; Said relief opening is connected with the gas exhaust piping of band safety valve; Said voltage-regulating system comprises the pressurized machine 7 that is used to improve storage tank 21 internal pressures that is installed on storage tank 21, and said pressurized machine 7 is communicated with the top and the bottom of storage tank 21.
Said liquid level pressure detecting system 1 comprises the upper pipeline of the band needle type valve that is arranged at the storage tank top and the lower pipeline of the band needle type valve that is communicated with tank bottom; Be communicated with level meter and differential pressure transmitter between said upper pipeline and the lower pipeline; Be connected with pressure gauge and pressure transmitter on the said upper pipeline; Be communicated with equalizing line between said upper pipeline and the lower pipeline, said equalizing line is provided with equilibrated valve.
In the present embodiment, said LNG Liquefied natural gas air supply system comprises and adds smelly system 4, saidly adds smelly system 4 and comprises device for adding odor 41 and electric-heating belt 42, saidly adds smelly system 4 and can in time detect LNG Liquefied natural gas and have or not leakage situation.Said device for adding odor 41 and electric-heating belt 42 are installed on the output pipe 8 and between the turbine flowmeter 31 of vaporizer 5 and band IC-card along the output of rock gas trend in order.
Said intake line 9 comprises primary input pipeline and two intake lines 91 that are communicated with the primary input pipe; Said two intake lines 91 connect the top and the bottom of storage tank respectively, and the end of an intake line 91 on said top is stretched in the storage tank and is provided with atomising device.On the said output pipe 8, be equipped with Emergeny Cutoff Valves on two intake lines 91, the pilot line two ends of described Emergeny Cutoff Valves are communicated with the bottom and the top of storage tank respectively.
When using the LNG Liquefied natural gas air supply system; Liquid level pressure detecting system 1 detects in the pressure in the storage tank 21 when excessive, can pass through the gas exhaust piping exhaust pressure relief, and output pipe 8 is supplied gas to user terminal under the normal condition; Storage tank 21 internal pressures then reduce; Can pass through this moment to regulate the pressure that pressurized machine 7 increases in the storage tanks 21, after the LNG Liquefied natural gas in the storage tank 21 uses, can be by intake line 9 supplemental natural gas in storage tank 21.
The user needs the time standby IC-card of usefulness gas to swipe the card to get final product, if rich then output pipe is opened in the IC-card, when in the IC-card poor the time, output pipe is opened, well the automatic air feed of realization in the zone.
The LNG Liquefied natural gas air supply system is installed on the sled; When the LNG Liquefied natural gas in the said storage tank 21 is not enough; Can in 9 pairs of storage tanks 21 of intake line, add LNG Liquefied natural gas from topping up interface 6, postcombustion is flexible, convenient, so be highly suitable for the situation of little consumption usefulness gas.
In addition, LNG Liquefied natural gas air supply system of the present invention also can be used for other pipeline gas.
Claims (4)
1. LNG Liquefied natural gas air supply system; Comprise stocking system, voltage-regulating system, metering system; It is characterized in that: said stocking system comprises storage tank, is connected with metering system on the output pipe of said storage tank, and said metering system comprises the turbine flowmeter of being with IC-card; The output trend of said output pipe upper edge rock gas is equipped with the turbine flowmeter of vaporizer, band IC-card successively, outputs to user terminal at last.
2. LNG Liquefied natural gas air supply system according to claim 1; It is characterized in that: said LNG Liquefied natural gas air supply system comprises and adds smelly system; Saidly add smelly system and comprise device for adding odor and electric-heating belt, said device for adding odor and electric-heating belt are installed between the turbine flowmeter of vaporizer and band IC-card in proper order.
3. LNG Liquefied natural gas air supply system according to claim 1, it is characterized in that: the LNG Liquefied natural gas air supply system is installed on the sled.
4. like each said LNG Liquefied natural gas air supply system of claim 1 to 3; It is characterized in that: tank body and outer tank body in said storage tank comprises; Be provided with heat insulation radiation proof thermoinsulation material in the cavity in said between tank body and the outer tank body; Said cavity is connected with vacuum pumping device, and said outer tank body is provided with the vacuum test interface that is communicated with cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100081989A CN102537655A (en) | 2012-01-12 | 2012-01-12 | Liquefied natural gas (LNG) supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100081989A CN102537655A (en) | 2012-01-12 | 2012-01-12 | Liquefied natural gas (LNG) supply system |
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| CN102537655A true CN102537655A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100081989A Pending CN102537655A (en) | 2012-01-12 | 2012-01-12 | Liquefied natural gas (LNG) supply system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032674A (en) * | 2012-12-27 | 2013-04-10 | 青岛捷能高新技术有限责任公司 | Free-lifting skid-mounted LNG filling station |
| CN104797877A (en) * | 2012-11-23 | 2015-07-22 | 乔治洛德方法研究和开发液化空气有限公司 | Method and device for filling a tank with liquefied gas |
| CN109373178A (en) * | 2018-11-12 | 2019-02-22 | 西安交通大学 | For detecting the low-temperature liquid filling method and system of cryogenic insulated cylinder evaporation rate |
| CN114838288A (en) * | 2022-06-10 | 2022-08-02 | 山东奥扬新能源科技股份有限公司 | Novel gas supply system of automobile-used liquid hydrogen bottle and automobile-used bottle of LNG |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603642A (en) * | 2004-07-21 | 2005-04-06 | 余建岳 | Low temperature tube cluster type natural gas transport equipment |
| CN1831415A (en) * | 2006-04-03 | 2006-09-13 | 巫山 | Superhigh pressure device for adding odor to natural gas |
| CN201688126U (en) * | 2010-05-18 | 2010-12-29 | 张益成 | Unpowered power supply unattended operation LNG skid-mounting station |
| WO2011078689A1 (en) * | 2009-12-21 | 2011-06-30 | Hammworthy Oil & Gas Systems As | A system for gas supply to dual-fuel or gas engines and boil-off reliquefaction |
| CN202065680U (en) * | 2011-04-14 | 2011-12-07 | 北京中燃伟业燃气有限公司 | Liquefied natural gas (LNG) gasification pressure regulating gas supply device |
| CN202419134U (en) * | 2012-01-12 | 2012-09-05 | 张家港韩中深冷科技有限公司 | Liquefied natural gas supplying system |
-
2012
- 2012-01-12 CN CN2012100081989A patent/CN102537655A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603642A (en) * | 2004-07-21 | 2005-04-06 | 余建岳 | Low temperature tube cluster type natural gas transport equipment |
| CN1831415A (en) * | 2006-04-03 | 2006-09-13 | 巫山 | Superhigh pressure device for adding odor to natural gas |
| WO2011078689A1 (en) * | 2009-12-21 | 2011-06-30 | Hammworthy Oil & Gas Systems As | A system for gas supply to dual-fuel or gas engines and boil-off reliquefaction |
| CN201688126U (en) * | 2010-05-18 | 2010-12-29 | 张益成 | Unpowered power supply unattended operation LNG skid-mounting station |
| CN202065680U (en) * | 2011-04-14 | 2011-12-07 | 北京中燃伟业燃气有限公司 | Liquefied natural gas (LNG) gasification pressure regulating gas supply device |
| CN202419134U (en) * | 2012-01-12 | 2012-09-05 | 张家港韩中深冷科技有限公司 | Liquefied natural gas supplying system |
Non-Patent Citations (6)
| Title |
|---|
| 严铭卿等: "《天然气输配技术》", 31 December 2005, article "液化天然气储罐", pages: 317 * |
| 严铭卿等: "《燃气工程设计手册》", 31 March 2009, article "IC卡智能收费系统", pages: 258 * |
| 哈尔滨建筑工程学院等: "《燃气输配（第2版）》", 31 July 1988, article "加臭装置", pages: 49 * |
| 第一机械工业部: "《真空获得设备产品样本》", 30 November 1978, article "真空多层绝热", pages: 143 * |
| 陈励等: "《能源概论》", 31 May 2009, article "液化天然气", pages: 82 * |
| 陈钢等: "《《压力容器定期检验规则》释义》", 31 January 2005, article "对低温液体（绝热）压力容器检查的特殊要求", pages: 48-49 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797877A (en) * | 2012-11-23 | 2015-07-22 | 乔治洛德方法研究和开发液化空气有限公司 | Method and device for filling a tank with liquefied gas |
| CN103032674A (en) * | 2012-12-27 | 2013-04-10 | 青岛捷能高新技术有限责任公司 | Free-lifting skid-mounted LNG filling station |
| CN103032674B (en) * | 2012-12-27 | 2015-04-01 | 青岛捷能高新技术有限责任公司 | Free-lifting skid-mounted LNG filling station |
| CN109373178A (en) * | 2018-11-12 | 2019-02-22 | 西安交通大学 | For detecting the low-temperature liquid filling method and system of cryogenic insulated cylinder evaporation rate |
| CN109373178B (en) * | 2018-11-12 | 2020-01-31 | 西安交通大学 | Low-temperature liquid filling method and system for detecting evaporation rate of low-temperature heat-insulation gas cylinder |
| CN114838288A (en) * | 2022-06-10 | 2022-08-02 | 山东奥扬新能源科技股份有限公司 | Novel gas supply system of automobile-used liquid hydrogen bottle and automobile-used bottle of LNG |
| CN114838288B (en) * | 2022-06-10 | 2024-03-08 | 山东奥扬新能源科技股份有限公司 | Novel air supply system of vehicle bottle |
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Application publication date: 20120704 |