CN203836579U - Prying-type LNG (liquefied natural gas) refueling station - Google Patents
Prying-type LNG (liquefied natural gas) refueling station Download PDFInfo
- Publication number
- CN203836579U CN203836579U CN201420231795.2U CN201420231795U CN203836579U CN 203836579 U CN203836579 U CN 203836579U CN 201420231795 U CN201420231795 U CN 201420231795U CN 203836579 U CN203836579 U CN 203836579U
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- Prior art keywords
- lng
- storage tank
- probe
- prying
- immersed pump
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a prying-type LNG (liquefied natural gas) refueling station. The prying-type LNG refueling station is provided with at least one box body; the box bodies are internally provided with LNG storage tanks; the periphery of each LNG storage tank is provided with an internal cofferdam; a storage tank supercharger and an EAG heater are arranged above each LNG storage tank; one end of each box body is provided with a device chamber which is internally provided with an LNG immersed pump, a valve pipeline system, a refueling metering device, an instrument plate, a combustible gas probe and a dot-mode infrared ray flame probe, and a PLC (programmable logic controller) control device is arranged to achieve automatic control; each device chamber is also internally provided with an EDS (electronic differential system) emergent parking system. The prying-type LNG refueling station provided by the utility model is suitable for rapidly refueling LNG for LNG automobiles, is convenient to install, is simple and rapid to operate, is safe and reliable, is high in degree of automation, especially can move, and is convenient and flexible to use.
Description
Technical field
It is liquefied natural gas equipment and technology that the utility model relates to a kind of LNG, specifically a kind of LNG filling station, particularly a kind of skid-mounted LNG filling station.
Background technique
LNG filling station is the supplementary station to LNG automobile filling LNG fuel.The shortcoming of tradition LNG filling station is: 1. the dependence of pair gas distributing system is stronger, must build the corresponding Infrastructure such as natural gas line and gas station; 2. floor space is large; 3. long construction period and labor intensity are large; 4. mostly be civil construction, so once build up and cannot move.Therefore, need to propose a kind of more reasonable structure, be convenient to the LNG filling station of structure and flexible use.
Model utility content
The purpose of this utility model is in order to solve the problems of the technologies described above, and proposes a kind of skid-mounted LNG filling station, and this filling station adopts skid-mounted structure, easy for installation, simple to operate, safe and reliable, automaticity is high, particularly can move easy to use and flexible.
The technical solution adopted in the utility model:
Skid-mounted LNG filling station, it is characterized in that: be provided with at least one casing, in casing, be provided with the LNG storage tank that accounts for main space, the top that LNG storage tank surrounding is provided with this LNG storage tank of built-in cofferdam is provided with storage tank pressurized machine and EAG heater, be provided with canyon in casing one end, in this canyon, be provided with LNG immersed pump, valve pipeline system, add gas metering device, instrument panel, combustible gas probe and point type infrared rays flame probe, and be provided with PLC control gear; Described storage tank pressurized machine, pneumatic valve, LNG immersed pump, add gas metering device, instrument panel, combustible gas probe and point type infrared rays flame probe carries out signal and control connection with PLC control gear respectively; The structure of this signal and control connection is: control LNG immersed pump and make LNG pass through storage tank pressurized machine to the supercharging of LNG storage tank; control LNG immersed pump, add gas metering device and instrument panel and carry out aerating and sell gas operation; receive combustible gas probe and point type infrared rays flame probe signal; and alarm, shutdown, prevent that the condition of a fire from occurring.
In canyon, be also provided with EDS emergency stopping system, this system and described PLC controller carry out control connection.
The utility model is carrying out aerating when work, and LNG immersed pump is extracted LNG fuel out from LNG storage tank, through valve pipeline system, add after gas metering device metering, injects automobile LNG liquid container.
The utility model is carrying out pressure regulation when work, and LNG immersed pump is extracted LNG out from LNG storage tank, through valve pipeline system, enter in storage tank pressurized machine and gasify, makes LNG after supercharging by valve pipeline system, refills in LNG storage tank.
The utility model is in the time lowering the temperature work, and LNG immersed pump is extracted LNG fuel out from LNG tank bottom, through valve pipeline system, injects from LNG tank top, makes the LNG steam cooling of LNG cryogenic liquide to storage tank gas-phase space.
The beneficial effects of the utility model:
(1) the utility model is simple in structure, does not rely on urban duct, can be positioned over arbitrarily a fixing place and arrange and move, and builds easily, and cost is low;
(2) can connect PLC control system, a people can complete drainage, filling, pressure regulation, lower the temperature, sells the work such as gas, simple to operate, safe and reliable.
(3) the utility model occupation of land is little, and most of assembly working completes in factory, and installation period is short at the construction field (site), labor intensity is low.
(4) the utility model is provided with combustible gas probe, point type infrared rays flame probe, EDS emergency stopping system, has improved Security of the present utility model.
Brief description of the drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is rear view of the present utility model;
Fig. 3 is enlarged left view of the present utility model.
1. casings in figure; 2. instrument panel; 3.EAG heater; 4. built-in cofferdam; 5.LNG storage tank; 6. valve pipeline system; 7.LNG immersed pump; 8. storage tank pressurized machine; 9. add gas metering device; 10. combustible gas probe; 11. point type infrared rays flame probes
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.Embodiment 1: consult figure; Skid-mounted LNG filling station, is characterized in that: be provided with casing 1, be provided with the LNG storage tank 5 that accounts for main space in casing, LNG storage tank surrounding is provided with built-in cofferdam 4; The top of this LNG storage tank is provided with storage tank pressurized machine 8 and EAG heater 3, be provided with canyon at casing right-hand member, in this canyon, be provided with LNG immersed pump 7, valve pipeline system 6, add gas metering device 9, instrument panel 2, combustible gas probe 10 and point type infrared rays flame probe 11; Described storage tank pressurized machine, LNG immersed pump, add gas metering device, instrument panel, combustible gas probe and point type infrared rays flame probe carries out signal and control connection with PLC control gear respectively; The structure of this signal and control connection is: control storage tank pressurized machine to the supercharging of LNG storage tank; control LNG immersed pump, add gas metering device and instrument panel and carry out aerating and sell gas operation; receive combustible gas probe and point type infrared rays flame probe signal, and alarm, shutdown, prevent that the condition of a fire from occurring.In canyon, be also provided with EDS emergency stopping system, this system and described PLC controller carry out control connection.
Do not changing under the prerequisite of the utility model base structure, any similar change all belongs among the protection domain of this patent.
Claims (2)
1. a skid-mounted LNG filling station, is characterized in that: be provided with at least one casing (1), be provided with the LNG storage tank (5) that accounts for main space in casing, LNG storage tank surrounding is provided with built-in cofferdam (4); The top of this LNG storage tank is provided with storage tank pressurized machine (8) and EAG heater (3), be provided with canyon in casing one end, in this canyon, be provided with LNG immersed pump (7), valve pipeline system (6), add gas metering device (9), instrument panel (2), combustible gas probe (10) and point type infrared rays flame probe (11), and be provided with PLC control gear; Described storage tank pressurized machine, LNG immersed pump, add gas metering device, instrument panel, combustible gas probe and point type infrared rays flame probe carries out signal and control connection with PLC control gear respectively; The structure of this signal and control connection is: control storage tank pressurized machine to the supercharging of LNG storage tank; control LNG immersed pump, add gas metering device and instrument panel and carry out aerating and sell gas operation; receive combustible gas probe and point type infrared rays flame probe signal, and alarm, shutdown, prevent that the condition of a fire from occurring.
2. skid-mounted LNG filling station according to claim 1, is characterized in that: in canyon, be also provided with EDS emergency stopping system, this system and described PLC controller carry out control connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231795.2U CN203836579U (en) | 2014-05-08 | 2014-05-08 | Prying-type LNG (liquefied natural gas) refueling station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231795.2U CN203836579U (en) | 2014-05-08 | 2014-05-08 | Prying-type LNG (liquefied natural gas) refueling station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836579U true CN203836579U (en) | 2014-09-17 |
Family
ID=51514420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420231795.2U Expired - Fee Related CN203836579U (en) | 2014-05-08 | 2014-05-08 | Prying-type LNG (liquefied natural gas) refueling station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390127A (en) * | 2014-09-24 | 2015-03-04 | 中国石油集团渤海石油装备制造有限公司 | LNG skid-mounted filling station filling process |
| CN104595700A (en) * | 2015-01-29 | 2015-05-06 | 张家港富耐特新能源智能系统有限公司 | Explosion-proof method of LNG (liquefied natural gas) filling machine |
-
2014
- 2014-05-08 CN CN201420231795.2U patent/CN203836579U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390127A (en) * | 2014-09-24 | 2015-03-04 | 中国石油集团渤海石油装备制造有限公司 | LNG skid-mounted filling station filling process |
| CN104390127B (en) * | 2014-09-24 | 2016-04-13 | 中国石油集团渤海石油装备制造有限公司 | A kind of filling technique of LNG skid filling station |
| CN104595700A (en) * | 2015-01-29 | 2015-05-06 | 张家港富耐特新能源智能系统有限公司 | Explosion-proof method of LNG (liquefied natural gas) filling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210714 Address after: 100007 Liupukang, Xicheng District, Beijing Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC BOHAI EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 062552 Bohai Road Petroleum Equipment Manufacturing Co., Ltd., Renqiu City, Hebei Province Patentee before: CNPC BOHAI EQUIPMENT MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |