CN208138857U - Automatic Regulation LNG liquid addition system - Google Patents
Automatic Regulation LNG liquid addition system Download PDFInfo
- Publication number
- CN208138857U CN208138857U CN201820720397.5U CN201820720397U CN208138857U CN 208138857 U CN208138857 U CN 208138857U CN 201820720397 U CN201820720397 U CN 201820720397U CN 208138857 U CN208138857 U CN 208138857U
- Authority
- CN
- China
- Prior art keywords
- liquid
- lng
- storage tank
- check valve
- lng storage
- 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
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 49
- 239000000945 filler Substances 0.000 claims abstract description 21
- 238000002309 gasification Methods 0.000 claims abstract description 21
- 239000006200 vaporizer Substances 0.000 claims abstract description 14
- 239000007791 liquid phase Substances 0.000 claims abstract description 13
- 239000012071 phase Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of automatic Regulation LNG liquid addition systems,Including LNG storage tank,Immersed pump,Booster,Vaporizer,Pressure pipeline,Gasification pipe,Liquid-transport pipe-line,First electromagnetism check valve,Second electromagnetism check valve,Solenoid valve,Pressure sensor,Controller and liquid filler,The both ends of pressure pipeline are connected to the liquid phase of LNG storage tank,Pressure pipeline sets gradually the first electromagnetism check valve,Immersed pump and booster,One end of gasification pipe is connected to the liquid phase of LNG storage tank,The other end of gasification pipe is connected to the gas phase of LNG storage tank,Gasification pipe is disposed with the second electromagnetism check valve and vaporizer,The liquid phase of liquid-transport pipe-line one end connection LNG storage tank,The liquid-transport pipe-line other end is connect with liquid filler,Pressure sensor and solenoid valve are disposed on liquid-transport pipe-line,Controller controls the first electromagnetism check valve,Second electromagnetism check valve,Solenoid valve,Immersed pump and pressure sensor.The utility model process is simple, and low energy consumption, resource recoverable.
Description
Technical field
The utility model relates to LNG liquefied gas transportation art, especially a kind of automatic Regulation LNG liquid addition system.
Background technique
The LNG in LNG storage tank in gas station needs to meet certain pressure value, is just able to satisfy the demand of automobile, tank car
The LNG pressure value shipped is generally lower, conveys the LNG storage tank into gas station after needing to pressurize in advance again, and LNG storage tank with
Constantly output LNG pressure value can also reduce, and just need to pressurize again at this time, and Comparision trouble is time-consuming.In the prior art, make
When filling LNG to automobile with liquid filler, requires pump and fill, energy consumption is higher.
Utility model content
In view of the deficiencies of the prior art, it is existing to solve to provide a kind of automatic Regulation LNG liquid addition system for the utility model
Technology there are the problem of.
The utility model uses following technical scheme：
A kind of automatic Regulation LNG liquid addition system, the liquid feeding system include LNG storage tank, immersed pump, booster, vaporizer,
Pressure pipeline, gasification pipe, liquid-transport pipe-line, the first electromagnetism check valve, the second electromagnetism check valve, solenoid valve, pressure sensor, control
Device and liquid filler processed, the both ends of the pressure pipeline are connected to the liquid phase of LNG storage tank, dynamic by LNG stream on the pressure pipeline
Direction sets gradually the first electromagnetism check valve, immersed pump and booster, and one end of the gasification pipe is connected to the liquid of LNG storage tank
Phase, the other end of the gasification pipe are connected to the gas phase of LNG storage tank, and the gasification pipe moves direction by LNG stream and sets gradually
There are the second electromagnetism check valve and vaporizer, one end of the liquid-transport pipe-line is connected to the liquid phase of LNG storage tank, the liquid-transport pipe-line
The other end is connect with liquid filler, is moved direction by LNG stream on the liquid-transport pipe-line and is disposed with pressure sensor and solenoid valve, institute
It states controller and the first electromagnetism check valve, the second electromagnetism check valve, immersed pump and pressure sensor control connects.
Further, be additionally provided with accumulator on the gasification pipe, the accumulator be located at LNG storage tank and vaporizer it
Between.
Further, the liquid feeding system further includes BOG recyclable device, the BOG recyclable device include BOG storage tank and
BOG return-air duct, the BOG return-air duct include liquid filler return-air duct and LNG storage tank return-air duct, the liquid filler return-air
Pipe ends are respectively communicated in BOG storage tank and liquid filler, LNG storage tank return-air duct both ends be respectively communicated in BOG storage tank and
The gas phase of LNG storage tank is provided with pressure reducing valve on the LNG storage tank return-air duct.
Further, the booster is EAG heater, and the vaporizer is LNG air-heating type gasifier.
Compared with prior art, the utility model has the advantage of：
1. automatic Regulation LNG liquid addition system, the pressure of LNG in LNG storage tank is predicted by pressure sensor, the pressure is small
When requirements, controller opens the first electromagnetism check valve and immersed pump, and LNG is realized in LNG storage tank by charger boost
The automation of LNG pressure is adjusted, and structure is simple, easy to operate.
2. when need to add using liquid filler to automobile fill LNG when, controller opens the second electromagnetism check valve, and liquid LNG is logical
The gasification of overflash device, flows into the gas phase of LNG storage tank, since liquid LNG gasification volume will increase, to make the gas in LNG storage tank
Phase pressure increases, and controller opens solenoid valve, at this time since gaseous pressure raising in LNG storage tank can be to liquid phase LNG application pressure
It is discharged to liquid filler, filling LNG is carried out to automobile, this design fills automobile without using electrodynamic pump, and energy consumption substantially reduces.
3. can maintain LNG storage tank gaseous pressure by energy storage canister, pressure is stablized when making to fill LNG to automobile, and flow velocity is steady
It is fixed.
4.BOG recyclable device can carry out the BOG of BOG and the discharge of gas station LNG storage tank in the LNG storage tank on automobile
Recycling, substantially reduces the wasting of resources.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the process of automatic Regulation LNG liquid addition system in the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Detailed description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
With reference to attached drawing 1, a kind of automatic Regulation LNG liquid addition system, the liquid feeding system includes LNG storage tank 1, immersed pump 2, increases
Depressor 3, vaporizer 4, pressure pipeline 5, gasification pipe 6, liquid-transport pipe-line 7, the first electromagnetism check valve 8, the second electromagnetism check valve 9,
Solenoid valve 10, pressure sensor 11, controller 12, liquid filler 13 and energy storage canister 14, the both ends of the pressure pipeline 5 are and LNG
The liquid phase of storage tank 1 is connected to, and is moved direction by LNG stream on the pressure pipeline 5 and is set gradually the first electromagnetism check valve 8,2 and of immersed pump
Booster 3, one end of the gasification pipe 6 are connected to the liquid phase of LNG storage tank 1, and the other end of the gasification pipe 6 is connected to
The gas phase of LNG storage tank 1, the gasification pipe 6 move direction by LNG stream and are disposed with the second electromagnetism check valve 9,4 and of vaporizer
Energy storage canister 14, one end of the liquid-transport pipe-line 7 are connected to the liquid phase of LNG storage tank 1, the other end and liquid feeding of the liquid-transport pipe-line 7
Machine 13 connects, and moves direction by LNG stream on the liquid-transport pipe-line 7 and is disposed with pressure sensor 11 and solenoid valve 10, the control
Device 12 processed and the first electromagnetism check valve 8, the second electromagnetism check valve 9, solenoid valve 10, immersed pump 2 and the control of pressure sensor 11 connect
It connects.
Preferably, the liquid feeding system further includes BOG recyclable device, and the BOG recyclable device includes 15 He of BOG storage tank
BOG return-air duct, the BOG return-air duct include liquid filler return-air duct 16 and LNG storage tank return-air duct 17, the liquid filler
16 both ends of return-air duct are respectively communicated in BOG storage tank 15 and liquid filler 13, and 17 both ends of LNG storage tank return-air duct are respectively communicated with
In being provided with pressure reducing valve 18 in the gas phase of BOG storage tank 15 and LNG storage tank 1, the LNG storage tank return-air duct 17.
Preferably, the booster 3 is EAG heater, and the vaporizer 4 is LNG air-heating type gasifier.
The working principle of the automatic Regulation LNG liquid addition system is：
Pressure sensor is by the pressure transmission of LNG in LNG storage tank to controller, when pressure is less than requirements, controller
The first electromagnetism check valve and immersed pump are opened, LNG passes through charger boost to demand pressure value；
When liquid filler adds to automobile fills LNG, controller opens the second electromagnetism check valve, and liquid LNG passes through vaporizer gas
Change, flows into the gas phase of LNG storage tank, since liquid LNG gasification volume will increase, so that the gaseous pressure in LNG storage tank is increased,
Controller opens solenoid valve, at this time since gaseous pressure raising in LNG storage tank can be to liquid phase LNG application pressure venting to liquid feeding
Machine opens liquid feeding rifle and carries out filling LNG to automobile；
BOG on automobile in LNG storage tank can be recovered to BOG storage by the return-air rifle on liquid filler by BOG recyclable device
Tank, when BOG in tank is recovered to BOG storage tank by pressure reducing valve by LNG storage tank pressure rise.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including above-mentioned element.
It is above it is above-mentioned be only the application specific embodiment, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (4)
1. a kind of automatic Regulation LNG liquid addition system, it is characterised in that：The liquid feeding system includes LNG storage tank, immersed pump, pressurization
Device, vaporizer, pressure pipeline, gasification pipe, liquid-transport pipe-line, the first electromagnetism check valve, the second electromagnetism check valve, solenoid valve, pressure
Force snesor, controller and liquid filler, the both ends of the pressure pipeline are connected to the liquid phase of LNG storage tank, the pressure pipeline
On move direction by LNG stream and set gradually the first electromagnetism check valve, immersed pump and booster, one end of the gasification pipe is connected to
The liquid phase of LNG storage tank, the other end of the gasification pipe are connected to the gas phase of LNG storage tank, and the gasification pipe is by the dynamic side of LNG stream
To the second electromagnetism check valve and vaporizer is disposed with, one end of the liquid-transport pipe-line is connected to the liquid phase of LNG storage tank, described
The other end of liquid-transport pipe-line is connect with liquid filler, is moved direction by LNG stream on the liquid-transport pipe-line and is disposed with pressure sensor
And solenoid valve, the controller and the first electromagnetism check valve, the second electromagnetism check valve, solenoid valve, immersed pump and pressure sensor
Control connection.
2. according to automatic Regulation LNG liquid addition system described in claim 1, it is characterised in that：It is additionally provided on the gasification pipe
Accumulator, the accumulator is between LNG storage tank and vaporizer.
3. according to automatic Regulation LNG liquid addition system described in claim 1, it is characterised in that：The liquid feeding system further includes that BOG is returned
Receiving apparatus, the BOG recyclable device include BOG storage tank and BOG return-air duct, and the BOG return-air duct includes liquid filler return-air
Pipeline and LNG storage tank return-air duct, liquid filler return-air duct both ends are respectively communicated in BOG storage tank and liquid filler, the LNG
Reservoir muffler road both ends are respectively communicated with the gas phase in BOG storage tank and LNG storage tank, are provided on the LNG storage tank return-air duct
Pressure reducing valve.
4. according to automatic Regulation LNG liquid addition system described in claim 1, it is characterised in that：The booster is EAG heater,
The vaporizer is LNG air-heating type gasifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720397.5U CN208138857U (en) | 2018-05-15 | 2018-05-15 | Automatic Regulation LNG liquid addition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720397.5U CN208138857U (en) | 2018-05-15 | 2018-05-15 | Automatic Regulation LNG liquid addition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138857U true CN208138857U (en) | 2018-11-23 |
Family
ID=64313665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820720397.5U Expired - Fee Related CN208138857U (en) | 2018-05-15 | 2018-05-15 | Automatic Regulation LNG liquid addition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426166A (en) * | 2018-05-15 | 2018-08-21 | 张家港艾普能源装备有限公司 | Automatic Regulation LNG liquid addition system |
| CN112361209A (en) * | 2020-09-23 | 2021-02-12 | 北京强度环境研究所 | Liquid nitrogen vaporization voltage stabilizing system |
-
2018
- 2018-05-15 CN CN201820720397.5U patent/CN208138857U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426166A (en) * | 2018-05-15 | 2018-08-21 | 张家港艾普能源装备有限公司 | Automatic Regulation LNG liquid addition system |
| CN112361209A (en) * | 2020-09-23 | 2021-02-12 | 北京强度环境研究所 | Liquid nitrogen vaporization voltage stabilizing system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |