CN203036242U - Filling structure of liquefied natural gas station - Google Patents
Filling structure of liquefied natural gas station Download PDFInfo
- Publication number
- CN203036242U CN203036242U CN 201220744087 CN201220744087U CN203036242U CN 203036242 U CN203036242 U CN 203036242U CN 201220744087 CN201220744087 CN 201220744087 CN 201220744087 U CN201220744087 U CN 201220744087U CN 203036242 U CN203036242 U CN 203036242U
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- CN
- China
- Prior art keywords
- natural gas
- unloading
- liquefied natural
- station
- gas station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model aims at solving the problem provides a filling structure of a liquefied natural gas station for liquefied natural gas to solve the problem that when filled in a gas storage station, the liquefied natural gas can only be filled in and cannot be discharged. The filling structure of the liquefied natural gas station is characterized in that the front of the connection pipe of an unloading liquid phase pipe and an unloading gaseous phase pipe is provided with an additional pipe and horizontally provided with a valve I, and the valve I is connected with the unloading liquid phase pipe and the unloading gaseous phase pipe respectively after being connected with a three-way pipe I. According to the filling structure of the liquefied natural gas station, not only the functions of storing and filling the liquefied natural gas are achieved, but also simple structure and strong practicality are obtained due to the fact that the filling structure of the liquefied natural gas station is transformed from an existing liquefied natural gas station.
Description
Technical field
The utility model relates to rock gas and stores, fills technology, and especially a kind of liquified natural gas station fills structure.
Background technique
The main effect of liquefied natural gas storage tank is to store LNG Liquefied natural gas in the storage and distribution station, as the emergent source of the gas of peak regulation, when the long distance pipeline natural air-air source goes wrong or is under-supply, start the emergent source of the gas of liquified natural gas, by gasification, pressure regulation, add after the smelly technological process pressure pipe net air feed in the city, the LNG storage tank is only as the device of natural gas-storing.
In recent years, China has built up many long defeated natural gas lines, and transfer natural gas from the west to the east a line, two wires, gas east, river are sent, Shan gas is gone to the capital etc., the continuous expansion in combustion gas market, and pipeline central city along the line has all utilized pipe natural gas.But, use the rock gas difficulty still very big away from cities and towns, industrial park and the enterprise of inner city and gas ductwork.Under this background, vehicle-mounted compressed natural gas and LNG Liquefied natural gas are as quick and motor-driven source of the gas, and development rapidly.
Liquified natural gas in the gasholder station storage tank provides by vehicle-mounted LNG Liquefied natural gas transportation, gasholder station is when installing liquified natural gas additional, original structure is: be to adorn one to the one-way valve of storage tank direction circulation at mouthful place of unloading, unload liquid in like this can only be from the liquid natural gas-tanker to storage tank, causing liquified natural gas to advance can not go out, and brings inconvenience to productive life.
Summary of the invention
Can only advance the problem that can not go out at gasholder station liquified natural gas when installing liquified natural gas additional, the utility model provides a kind of liquified natural gas station to fill structure.
Described a kind of liquified natural gas station fills structure, it is characterized in that: fill pipeline the place ahead that the liquid pipe of unloading in the structure links to each other with the gas phase pipeline of unloading at the liquified natural gas station and add pipeline and paperback valve I, and link to each other with the gas phase pipeline of unloading with the liquid pipe of unloading respectively again after connecting threeway I.
Described liquified natural gas station fills structure, it is characterized in that: the branch road that threeway I is linked to the liquid pipe of unloading is the rear that utilizes threeway II to be connected to unload the liquid pipe tapered pipeline.
Described rock gas fills structure with the liquified natural gas station, it is characterized in that: the branch road that threeway I is linked to the gas phase pipeline of unloading is to link to each other with the gas phase pipeline of unloading after connecting paperback valve II.
The beneficial effects of the utility model are: not only realized the storage of liquified natural gas and filled function, and finished by the transformation of Primordial Qi station, and simple in structure, practical.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further detailed.
Fig. 1 fills the structure of modification schematic representation for rock gas with the liquified natural gas station.
Wherein, the gas phase pipeline of 1. unloading; 2. the liquid pipe of unloading; 3. valve I; 4. valve II; 5. threeway I; 6. tapered pipeline; 7. threeway II.
Embodiment
Instantiation 1: valve I selects for use: DN50; Valve II selects DN32 for use; Threeway I selects DN34 * 40 for use; Threeway II selects: DN80 * 50.
As shown in Figure 1, dotted portion is reconstruction structure: fill in the structure at former liquid rock gas station, pipeline the place ahead that the liquid pipe (2) of unloading links to each other with the gas phase pipeline (1) of unloading adds pipeline and paperback valve I(3), it connects threeway I(5), a branch road is by utilizing threeway II(7) be connected the rear of the tapered pipeline (6) of the liquid pipe of unloading (2); Another branch road connection paperback valve II(4) back links to each other with the gas phase pipeline (1) of unloading.
Fill structure by designing this rock gas with the liquified natural gas station, can only change into also and can fill and perform the multinomial function that various reservations are prepared to the liquified natural gas small steel cylinder by tank car to the simple function that storage tank fills original.
Original can only changing into also and can give full play to and improve the peak regulation effect of gasholder station by storage tank to the bi-directional configuration that tank car fills by tank car to the check configuration that storage tank fills.
Claims (2)
1. a liquified natural gas station fills structure, it is characterized in that: fill pipeline the place ahead that the liquid pipe of unloading in the structure links to each other with the gas phase pipeline of unloading at the liquified natural gas station and add pipeline and paperback valve I, and link to each other with the gas phase pipeline of unloading with the liquid pipe of unloading respectively again after connecting threeway I.
2. liquified natural gas according to claim 1 station fills structure, it is characterized in that: the branch road that threeway I is linked to the liquid pipe of unloading is the rear that utilizes threeway II to be connected to unload the liquid pipe tapered pipeline.
3. rock gas according to claim 1 fills structure with the liquified natural gas station, it is characterized in that: the branch road that threeway I is linked to the gas phase pipeline of unloading is to link to each other with the gas phase pipeline of unloading after connecting paperback valve II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220744087 CN203036242U (en) | 2012-12-31 | 2012-12-31 | Filling structure of liquefied natural gas station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220744087 CN203036242U (en) | 2012-12-31 | 2012-12-31 | Filling structure of liquefied natural gas station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203036242U true CN203036242U (en) | 2013-07-03 |
Family
ID=48688369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220744087 Expired - Fee Related CN203036242U (en) | 2012-12-31 | 2012-12-31 | Filling structure of liquefied natural gas station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203036242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111219594A (en) * | 2020-01-06 | 2020-06-02 | 阜阳国祯燃气有限公司 | LNG storage tank gas transmission and replacement process |
-
2012
- 2012-12-31 CN CN 201220744087 patent/CN203036242U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111219594A (en) * | 2020-01-06 | 2020-06-02 | 阜阳国祯燃气有限公司 | LNG storage tank gas transmission and replacement process |
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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: 20130703 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |