CN203322721U - One-pump two-machine filling system of liquefied natural gas filling device - Google Patents
One-pump two-machine filling system of liquefied natural gas filling device Download PDFInfo
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- CN203322721U CN203322721U CN2013202383733U CN201320238373U CN203322721U CN 203322721 U CN203322721 U CN 203322721U CN 2013202383733 U CN2013202383733 U CN 2013202383733U CN 201320238373 U CN201320238373 U CN 201320238373U CN 203322721 U CN203322721 U CN 203322721U
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Abstract
The utility model discloses a one-pump two-machine filling system of a liquefied natural gas filling device. The one-pump two-machine filling system comprises a storage tank, a pump pool, a first filling machine and a second filling machine, wherein the pump pool is connected below the storage tank through a vacuum thermal insulation pipeline, the first filling machine and the second filling machine are connected to the pump pool, the first filling machine comprises a first liquid filling pipe, a first liquid filling control valve and a first liquid filling gun, and the second filling machine comprises a second liquid filling pipe, a second liquid filling control valve and a second liquid filling gun. Through the manner, the one-pump two-machine filling system adopts the two filling machines for respective operation without mutual interference, and can be used for filling vehicle-mounted fuel tanks of two automobiles simultaneously, so that the filling efficiency is improved, the gas filling operation for the two automobiles can be completed within 3-5 minutes on average, so that the filling time is greatly shortened, and when one filling machine malfunctions or is checked and repaired, the other filling machine can work normally, so that the normal production operation can not be affected.
Description
Technical field
The utility model relates to the LNGV (liquefied natural gas vehicle) application, particularly relates to a kind of pump two machine loading systems of gas filling of liquefied natural gas device.
Background technique
The LNG(LNG Liquefied natural gas of China) be applied in 2005 along with the LNG industrial expansion grows up.LNG is a kind of boiling point the cryogenic liquid of-162 ℃, and its storage and application all relate to the characteristic of cryogenic liquid medium.
The LNG memory device must have good insulating property, thereby avoids the unnecessary vaporization of LNG and discharge.The LNG loading system also should make LNG substantially remain pure liquid state in filling process, in the liquid feeding system, avoids gas-liquid two-phase flow to exist.
Characteristic in view of the LNG cryogenic liquid, allow automobile that the gas fuel of pressure and stability of flow is provided to the automobile motivation by the LNG fuel system, the LNG liquid that automobile provides with the box loading system of LNG must be to meet the LNG saturated liquids that automobile fuel pressure requires.
Existing liquefied natural gas filling device, the overwhelming majority is that an immersed pump connects a filling device, the filling time is longer, a car need to be prepared 3 ~ 10 minutes, 4 ~ 8 minutes filling time, a car completes filling needs 5 ~ 18 minutes, and needs vehicle filling operation in order successively, break down or need maintaining once filling device, normal filling is produced and just must be stopped.
Some enterprises design the liquefied natural gas filling device that an immersed pump connects two filling devices, because design only increases a filling device, immersed pump drives liquid ability greatly to reduce to two filling devices simultaneously, although like this can be to the two vehicles operation of annotating, but the filling time of each car can extend, reach 5 ~ 10 minutes, when two filling devices are annotated operation, need just can complete in 8 ~ 20 minutes simultaneously.
The model utility content
The technical problem that the utility model mainly solves is to provide a kind of pump two machine loading systems of gas filling of liquefied natural gas device, adopted that two filling devices operate respectively, mutual noninterference, it can be the operation of annotating of the onboard fuel case of two automobiles simultaneously, improved filling efficiency, the average aerating operation that just can complete two vehicles in 3 ~ 5 minutes, greatly shortened the filling time, at a filling device, break down or verification when maintenance, another filling function normal operation, can not affect normal production operation.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: the pump two machine loading systems that a kind of gas filling of liquefied natural gas device is provided, comprise: storage tank, pump pond, the first filling device and the second filling device, described pump pond is connected to the below of storage tank by vacuum heat-insulated pipe, be connected with the first filling device and the second filling device on described pump pond, described the first filling device comprises that the first liquid-feeding tube, first adds hydraulic control valve and the first liquid feeding rifle, and described the second filling device comprises that the second liquid-feeding tube, second adds hydraulic control valve and the second liquid feeding rifle.
In preferred embodiment of the utility model, the interior tank body that described storage tank comprises shell and is arranged on enclosure, the inner container that described pump pond comprises shell and is arranged on enclosure, described inner container inside is provided with immersed pump, the liquid outlet of described interior tank body connects the liquid-inlet in pump pond by the vacuum insulation feed liquid pipeline, the gas inlet of tank body in the gas outlet in described pump pond connects by the vacuum insulation blowdown piping.
In preferred embodiment of the utility model, described storage tank is vertical setting or horizontal setting.
In preferred embodiment of the utility model, described gas filling of liquefied natural gas device is box, skid-mounted or fixed.
In preferred embodiment of the utility model, be connected with the first liquid-feeding tube on described immersed pump, be provided with first on the first liquid-feeding tube and add hydraulic control valve, the first end that adds hydraulic control valve is connected with the first liquid feeding rifle.
In preferred embodiment of the utility model, be connected with the second liquid-feeding tube on described immersed pump, be provided with second on the second liquid-feeding tube and add hydraulic control valve, the second end that adds hydraulic control valve is connected with the second liquid feeding rifle.
The beneficial effects of the utility model are: pump two machine loading systems of the utility model gas filling of liquefied natural gas device have adopted that two filling devices operate respectively, mutual noninterference, it can be the operation of annotating of the onboard fuel case of two automobiles simultaneously, improved filling efficiency, the average aerating operation that just can complete two vehicles in 3 ~ 5 minutes, greatly shortened the filling time, at a filling device, break down or verification when maintenance, another filling function normal operation, can not affect normal production operation.
The accompanying drawing explanation
Fig. 1 is the structural representation of pump two machine loading systems of the utility model gas filling of liquefied natural gas device;
In accompanying drawing, the mark of each parts is as follows: 1, storage tank, 1-1, shell, 1-2, interior tank body, 2, pump pond, 2-1, shell, 2-2, inner container, 3, immersed pump, 4, the vacuum insulation feed liquid pipeline, 5, the vacuum insulation blowdown piping, 6, liquid supply valve, 7, return-air valve, the 8, first liquid-feeding tube, 9, first adds hydraulic control valve, the 10, first liquid feeding rifle, the 11, second liquid-feeding tube, 12, second adds hydraulic control valve, the 13, second liquid feeding rifle.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
Refer to Fig. 1, the utility model is embodiment comprise:
A kind of pump two machine loading systems of gas filling of liquefied natural gas device, comprise: storage tank 1, pump pond 2, the first filling device and the second filling device, described pump pond 2 is connected to the below of storage tank 1 by vacuum heat-insulated pipe, be connected with the first filling device and the second filling device on described pump pond 2.
Wherein, described storage tank 1 is vertical setting or horizontal setting, and described gas filling of liquefied natural gas device is box, skid-mounted or fixed.
The interior tank body 1-2 that described storage tank 1 comprises shell 1-1 and is arranged on shell 1-1 inside, the inner container 2-2 that described pump pond 2 comprises shell 2-1 and is arranged on shell 2-1 inside, described inner container 2-2 inside is provided with immersed pump 3, the liquid outlet of described interior tank body 1-2 connects the liquid-inlet in pump pond 2 by vacuum insulation feed liquid pipeline 4, the gas inlet of tank body 12 in the gas outlet in described pump pond 2 connects by vacuum insulation blowdown piping 5.
Wherein, be provided with liquid supply valve 6 on vacuum insulation feed liquid pipeline 4, can control the flow of LNG Liquefied natural gas in vacuum insulation feed liquid pipeline 4; Be provided with return-air valve 7 on vacuum insulation blowdown piping 5, can control gas and flow to storage tank 1 from pump pond 2.Liquid supply valve 6 and return-air valve 7 stay open when liquefied natural gas carrier vehicle unloads liquid at storage tank 1, so that flow direction pump pond 2, and allow the backflow of gas in pump pond 2.
Described the first filling device comprises that the first liquid-feeding tube 8, first adds hydraulic control valve 9 and the first liquid feeding rifle 10, and described the second filling device comprises that the second liquid-feeding tube 11, second adds hydraulic control valve 12 and the second liquid feeding rifle 13.
Particularly, be connected with on described immersed pump 3 on the first liquid-feeding tube 8, the first liquid-feeding tubes 8 and be provided with first and add the end that hydraulic control valve 9, the first adds hydraulic control valve 9 and be connected with the first liquid feeding rifle 10.
Be connected with on described immersed pump 3 on the second liquid-feeding tube 11, the second liquid-feeding tubes 11 and be provided with second and add the end that hydraulic control valve 12, the second adds hydraulic control valve 12 and be connected with the second liquid feeding rifle 13.
The first filling device and the second filling device can be the operation of annotating of the onboard fuel of two automobiles simultaneously, two filling devices operate respectively, mutual noninterference, improved filling efficiency, the average aerating operation that just can complete two vehicles in 3 ~ 5 minutes, shortened the filling time greatly.
In addition, filling device breaks down or during the verification maintenance, another filling function normal operation, can not affect normal production operation therein.
The beneficial effect of one pump two machine loading systems of the utility model gas filling of liquefied natural gas device is:
Adopted that two filling devices operate respectively, mutual noninterference, it can be the operation of annotating of the onboard fuel case of two automobiles simultaneously, improved filling efficiency, the average aerating operation that just can complete two vehicles in 3 ~ 5 minutes, greatly shortened the filling time, at a filling device, break down or verification when maintenance, another filling function normal operation, can not affect normal production operation.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (6)
1. pump two machine loading systems of a gas filling of liquefied natural gas device, it is characterized in that, comprise: storage tank, pump pond, the first filling device and the second filling device, described pump pond is connected to the below of storage tank by vacuum heat-insulated pipe, be connected with the first filling device and the second filling device on described pump pond, described the first filling device comprises that the first liquid-feeding tube, first adds hydraulic control valve and the first liquid feeding rifle, and described the second filling device comprises that the second liquid-feeding tube, second adds hydraulic control valve and the second liquid feeding rifle.
2. pump two machine loading systems of gas filling of liquefied natural gas device according to claim 1, it is characterized in that, the interior tank body that described storage tank comprises shell and is arranged on enclosure, the inner container that described pump pond comprises shell and is arranged on enclosure, described inner container inside is provided with immersed pump, the liquid outlet of described interior tank body connects the liquid-inlet in pump pond by the vacuum insulation feed liquid pipeline, the gas inlet of tank body in the gas outlet in described pump pond connects by the vacuum insulation blowdown piping.
3. pump two machine loading systems of gas filling of liquefied natural gas device according to claim 1, is characterized in that, described storage tank is vertical setting or horizontal setting.
4. pump two machine loading systems of gas filling of liquefied natural gas device according to claim 1, is characterized in that, described gas filling of liquefied natural gas device is box, skid-mounted or fixed.
5. pump two machine loading systems of gas filling of liquefied natural gas device according to claim 2, it is characterized in that, be connected with the first liquid-feeding tube on described immersed pump, be provided with first on the first liquid-feeding tube and add hydraulic control valve, the first end that adds hydraulic control valve is connected with the first liquid feeding rifle.
6. pump two machine loading systems of gas filling of liquefied natural gas device according to claim 2, it is characterized in that, be connected with the second liquid-feeding tube on described immersed pump, be provided with second on the second liquid-feeding tube and add hydraulic control valve, the second end that adds hydraulic control valve is connected with the second liquid feeding rifle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202383733U CN203322721U (en) | 2013-05-06 | 2013-05-06 | One-pump two-machine filling system of liquefied natural gas filling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202383733U CN203322721U (en) | 2013-05-06 | 2013-05-06 | One-pump two-machine filling system of liquefied natural gas filling device |
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| CN203322721U true CN203322721U (en) | 2013-12-04 |
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| CN2013202383733U Expired - Lifetime CN203322721U (en) | 2013-05-06 | 2013-05-06 | One-pump two-machine filling system of liquefied natural gas filling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867885A (en) * | 2014-03-25 | 2014-06-18 | 西安航天动力试验技术研究所 | Liquid methane filling-up system |
| CN105546328A (en) * | 2016-01-19 | 2016-05-04 | 江苏长隆石化装备有限公司 | LNG tank car loading and unloading prying tool |
| CN108916648A (en) * | 2018-07-12 | 2018-11-30 | 南通诺德瑞海洋工程研究院有限公司 | A kind of LNG air supply system on deck carrier |
| CN114076261A (en) * | 2020-08-17 | 2022-02-22 | 安瑞科(廊坊)能源装备集成有限公司 | Natural gas filling system and filling method |
-
2013
- 2013-05-06 CN CN2013202383733U patent/CN203322721U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867885A (en) * | 2014-03-25 | 2014-06-18 | 西安航天动力试验技术研究所 | Liquid methane filling-up system |
| CN103867885B (en) * | 2014-03-25 | 2015-11-18 | 西安航天动力试验技术研究所 | A kind of liquid methane loading system |
| CN105546328A (en) * | 2016-01-19 | 2016-05-04 | 江苏长隆石化装备有限公司 | LNG tank car loading and unloading prying tool |
| CN108916648A (en) * | 2018-07-12 | 2018-11-30 | 南通诺德瑞海洋工程研究院有限公司 | A kind of LNG air supply system on deck carrier |
| CN108916648B (en) * | 2018-07-12 | 2023-11-21 | 南通诺德瑞海洋工程研究院有限公司 | LNG gas supply system on deck transport ship |
| CN114076261A (en) * | 2020-08-17 | 2022-02-22 | 安瑞科(廊坊)能源装备集成有限公司 | Natural gas filling system and filling method |
| CN114076261B (en) * | 2020-08-17 | 2023-12-19 | 安瑞科(廊坊)能源装备集成有限公司 | Natural gas filling system and filling method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
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| CX01 | Expiry of patent term |