CN206206997U - Vehicular liquefied natural air-box type differential pressure filling apparatus - Google Patents
Vehicular liquefied natural air-box type differential pressure filling apparatus Download PDFInfo
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- CN206206997U CN206206997U CN201621021934.4U CN201621021934U CN206206997U CN 206206997 U CN206206997 U CN 206206997U CN 201621021934 U CN201621021934 U CN 201621021934U CN 206206997 U CN206206997 U CN 206206997U
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- pressure regulator
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- storage tank
- regulator valve
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Abstract
This application discloses the Vehicular liquefied natural air-box type differential pressure filling apparatus of one kind, the device includes pressure piping, the pressure piping includes being set in turn in liquid feed valve C V01 between storage tank bottom and top, liquid feed valve C GV02, unloads liquid valve X V02, gasification liquid feed valve X V03, air-heating type gasifier, boosting pressure regulator valve inlet valve Q V03, the first self-operated type boosting pressure regulator valve, boosting pressure regulator valve outlet valve Q V02 and storage tank gas valve C V07, and the first self-operated type boosting pressure regulator valve sets pressure as 1.0~1.2MPa.The utility model is pressurized and keeps pressure of storage tank using the pressure regulator valve that boosts to storage tank, so as to realize, to the function of gas cylinder stabilization liquid feeding, solving the problems, such as to be produced because of the operation of immersed pump.And effective recycling is carried out to BOG.
Description
Technical field
This patent utility model belongs to LNG loading techniques field, is related to a kind of Vehicular liquefied natural air-box type differential pressure to fill
Device.
Background technology
At present in LNG gas stations, be all it is by low temperature immersed pump that liquid filling is interior to LNG bottles, by filling machine come
The flow of controlling pump operating conveying.Immersed pump and related electric equipment are equipped with, are built a station relatively costly.
In existing LNG gas filling station designs, LNG immersed pumps are equipped with, there is following problem：
1st, immersed pump runs generation heat energy in pump pond, so as to produce a large amount of BOG, wastes the energy.
2nd, immersed pump needs supporting respective valves and electrical equipment in design cycle, there is cost of building a station higher.
3rd, gas station can be influenceed normally to run situations such as immersed pump repair and maintenance.
Utility model content
The purpose of this utility model is to provide a kind of Vehicular liquefied natural air-box type differential pressure filling apparatus, is adjusted using boosting
Pressure valve, is pressurized and keeps pressure of storage tank to storage tank, so as to realize, to the function of gas cylinder stabilization liquid feeding, solving the fortune because of immersed pump
The problem gone and produce.And effective recycling is carried out to BOG.
To achieve the above object, the utility model provides following technical scheme：
The embodiment of the present application discloses a kind of Vehicular liquefied natural air-box type differential pressure filling apparatus, including pressure piping, the increasing
Pressure pipe road include being set in turn in liquid feed valve C-V01 between storage tank bottom and top, liquid feed valve C-GV02, unload liquid valve X-V02,
Gasification liquid feed valve X-V03, air-heating type gasifier, boosting pressure regulator valve inlet valve Q-V03, the first self-operated type boosting pressure regulator valve, boosting
Pressure regulator valve outlet valve Q-V02 and storage tank gas valve C-V07, the first self-operated type boosting pressure regulator valve set pressure as 1.0~
1.2MPa。
Preferably, in above-mentioned Vehicular liquefied natural air-box type differential pressure filling apparatus, also including pipeline of unloading, this is unloaded
Pipeline include unloading on control valve X-V01, the control valve X-GV01 that unloads, gasification drain pipe X-V04, storage tank feed tube C-V01 and
Feed tube C-GV01 on storage tank, the control valve X-V01 and control valve X-GV01 that unloads that unloads is set in turn in LNG and unloads liquid phase
Between pipe and the gasification liquid feed valve X-V03, feed liquor on feed tube C-GV01, storage tank on the gasification drain pipe X-V04, storage tank
Pipe C-V01 is set in turn between the port of export of the air-heating type gasifier and the bottom of storage tank.
Preferably, in above-mentioned Vehicular liquefied natural air-box type differential pressure filling apparatus, also including BOG recovery pipes, should
BOG recovery pipes include boosting pressure regulator valve inlet valve Q-V05, the second self-operated type boosting pressure regulator valve, boosting pressure regulator valve outlet valve Q-
V06, BOG gas phase communicating valve Q-V01, the boosting pressure regulator valve outlet valve Q-V06, the second self-operated type boosting pressure regulator valve, boosting are adjusted
Pressure valve inlet valve Q-V05, BOG gas phase communicating valve Q-V01 is set in turn in BOG and reclaims house steward and the storage tank gas valve C-V07
Between.
Preferably, in above-mentioned Vehicular liquefied natural air-box type differential pressure filling apparatus, the second self-operated type boosting is adjusted
Pressure valve sets pressure as 0.7~0.8MPa.
Preferably, in above-mentioned Vehicular liquefied natural air-box type differential pressure filling apparatus, the boosting pressure regulator valve outlet valve
The two ends of Q-V06, the second self-operated type boosting pressure regulator valve and boosting pressure regulator valve inlet valve Q-V05 places pipeline are set side by side with valve
Q-V07。
Preferably, in above-mentioned Vehicular liquefied natural air-box type differential pressure filling apparatus, also including filling machine precooling pipeline,
The filling machine precooling pipeline includes that the storage tank liquid valve C-V03 being set in turn between storage tank bottom and filling machine, storage tank go out liquid
Valve C-GV03 and filling machine liquid feed valve J-V04.
Preferably, in above-mentioned Vehicular liquefied natural air-box type differential pressure filling apparatus, the boosting pressure regulator valve inlet valve
The two ends of Q-V03, the first self-operated type boosting pressure regulator valve and boosting pressure regulator valve outlet valve Q-V02 places pipeline are set side by side with valve
Q-V04。
Compared with prior art, the utility model has the advantage of：
1st, the utility model device flow more simplifies, and cleverly make use of physical property (differential pressure), using self-operated type
Boosting pressure regulator valve realizes the functions such as car bottle stabilization filling.
2nd, the utility model device effectively recycles the BOG gases in system by way of pressure regulation of boosting, section
Can emission reduction.
3rd, the utility model device reduces the supporting respective valves of immersed pump need and electrical equipment without immersed pump, and cost has
Effect is reduced, and reduces the possibility of overhaul of the equipments.
4th, the utility model device is integral type equipment, and filling apparatus are concentrated, and filling efficiency is effectively improved.Device is beneficial to fortune
It is defeated, and floor space is small, reduces operation cost, and reliability is high.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
The pipeline that Fig. 1 show Vehicular liquefied natural air-box type differential pressure filling apparatus in the utility model specific embodiment shows
It is intended to.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Detailed description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of the utility model protection.
With reference to shown in Fig. 1, the present embodiment design collection is unloaded, storage tank supercharging, filling machine precooling, car bottle fill, BOG return
The functions such as receipts are in one.
Unload：Open storage tank gas valve C-V07, boosting pressure regulator valve inlet valve Q-V05, boosting pressure regulator valve outlet valve Q-V06,
BOG gas phase communicating valve Q-V01, drive self-operated type boosting pressure regulator valve 200 (setting 0.7~0.8MPa of pressure, preferably 0.7MPa)
Open, BOG pressures are reclaimed to about 0.3MPa through BOG recovery channels in storage tank, to realize normally unloading.Opening is unloaded control valve
X-V01, X-GV01, open gasification liquid feed valve X-V03, gasification liquid valve X-V04, while opening liquid feed valve C-V01, C- on storage tank
Liquid feed valve C-V02, C-GV02 under GV01, storage tank, about -140 are heated to by LNG liquid by air temperature type heater 100 (into sledge)
DEG C meeting the requirement (saturation pressure about 0.55MPa) of motor vehicle fuel, unload liquid valve X-V02 regarding actual conditions switch (temperature compared with
Filled, it is necessary to open and unload liquid valve X-V02 when high).
Supercharging：Liquid feed valve C-V02, C-GV02 under storage tank are opened, opening unloads liquid valve X-V02, gasify liquid feed valve X-V03, together
When open storage tank gas valve C-V07, boosting pressure regulator valve inlet valve Q-V03, boosting pressure regulator valve outlet valve Q-V02, self-operated type boosting
Pressure regulator valve 300 (setting 1.0~1.2MPa of pressure, preferably 1.0MPa) is opened, make LNG liquid pass through air temperature type heater (into
Sledge) to gasify and be pressurized to 1.0~1.2MPa to storage tank.
Filling machine precooling：Storage tank is not less than about 0.4MPa with BOG pipeline differential pressures during use.Open storage tank liquid valve C-
V03, C-GV03, open filling machine liquid feed valve J-V04, close BOG gas phase communicating valve Q-V01, while open boosting pressure regulator valve entering
Mouth valve Q-V05, boosting pressure regulator valve outlet valve Q-V06, drive self-operated type boosting pressure regulator valve 200 (0.7~0.8MPa of setting pressure)
Open, the recovered pipelines of BOG are reclaimed.
Car bottle is filled：
First, filling machine liquid feeding rifle and return-air rifle are connected to car bottle simultaneously, BOG gas phase communicating valve Q-V01 are closed, while beating
Boosting pressure regulator valve inlet valve Q-V05, boosting pressure regulator valve outlet valve Q-V06 are opened, makes self-operated type boosting (the setting pressure of pressure regulator valve 200
0.7~0.8MPa) open, BOG in car bottle is recycled to close to 0.6MPa.
2nd, pressure charging system valve is maintained a normally open, and pressure of storage tank is kept 1.0~1.2MPa.Open storage tank liquid valve C-
V03, C-GV03, open filling machine liquid feed valve J-V04, are filled using storage tank and BOG pipeline differential pressures.
BOG is reclaimed：When pressure of storage tank is too high, storage tank gas valve C-V07, boosting pressure regulator valve inlet valve Q-V05, boosting are opened
Pressure regulator valve outlet valve Q-V06, BOG gas phase communicating valve Q-V01, make self-operated type boost pressure regulator valve 200 (setting pressure 0.7~
0.8MPa) open, reduce pressure of storage tank, the recovered pipelines of BOG are reclaimed.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (7)
1. a kind of Vehicular liquefied natural air-box type differential pressure filling apparatus, it is characterised in that including pressure piping, the pressure piping bag
Include be set in turn between storage tank bottom and top liquid feed valve C-V01, liquid feed valve C-GV02, unload liquid valve X-V02, gasification feed liquor
Valve X-V03, air-heating type gasifier, boosting pressure regulator valve inlet valve Q-V03, the first self-operated type boosting pressure regulator valve, boosting pressure regulator valve go out
Mouthful valve Q-V02 and storage tank gas valve C-V07, the first self-operated type boosting pressure regulator valve sets pressure as 1.0~1.2MPa.
2. Vehicular liquefied natural air-box type differential pressure filling apparatus according to claim 1, it is characterised in that：Also include unloading
Pipeline, the pipeline of unloading includes unloading and controls valve X-V01, the control valve X-GV01 that unloads, gasification drain pipe X-V04, storage tank enterprising
Feed tube C-GV01 on liquid pipe C-V01 and storage tank, the control valve X-V01 and control valve X-GV01 that unloads that unloads is set in turn in
LNG unloads between liquid-phase tube and the gasification liquid feed valve X-V03, feed tube C- on the gasification drain pipe X-V04, storage tank
Feed tube C-V01 is set in turn between the port of export of the air-heating type gasifier and the bottom of storage tank on GV01, storage tank.
3. Vehicular liquefied natural air-box type differential pressure filling apparatus according to claim 1 and 2, it is characterised in that：Also include
BOG recovery pipes, the BOG recovery pipes include boosting pressure regulator valve inlet valve Q-V05, the second self-operated type boosting pressure regulator valve, boosting
Pressure regulator valve outlet valve Q-V06, BOG gas phase communicating valve Q-V01, the boosting pressure regulator valve outlet valve Q-V06, the boosting of the second self-operated type
Pressure regulator valve, boosting pressure regulator valve inlet valve Q-V05, BOG gas phase communicating valve Q-V01 are set in turn in BOG and reclaim house steward and the storage
Between tank gas valve C-V07.
4. Vehicular liquefied natural air-box type differential pressure filling apparatus according to claim 3, it is characterised in that：Described second certainly
Power formula boosting pressure regulator valve sets pressure as 0.7~0.8MPa.
5. Vehicular liquefied natural air-box type differential pressure filling apparatus according to claim 3, it is characterised in that：The boosting is adjusted
The two ends of pressure valve outlet valve Q-V06, the second self-operated type boosting pressure regulator valve and pipeline where boosting pressure regulator valve inlet valve Q-V05 are arranged side by side
It is provided with valve Q-V07.
6. Vehicular liquefied natural air-box type differential pressure filling apparatus according to claim 1 and 2, it is characterised in that：Also include
Filling machine precooling pipeline, the filling machine precooling pipeline includes the storage tank liquid valve being set in turn between storage tank bottom and filling machine
C-V03, storage tank liquid valve C-GV03 and filling machine liquid feed valve J-V04.
7. Vehicular liquefied natural air-box type differential pressure filling apparatus according to claim 1, it is characterised in that：The boosting is adjusted
The two ends of pressure valve inlet valve Q-V03, the first self-operated type boosting pressure regulator valve and pipeline where boosting pressure regulator valve outlet valve Q-V02 are simultaneously
Row are provided with valve Q-V04.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021934.4U CN206206997U (en) | 2016-08-31 | 2016-08-31 | Vehicular liquefied natural air-box type differential pressure filling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021934.4U CN206206997U (en) | 2016-08-31 | 2016-08-31 | Vehicular liquefied natural air-box type differential pressure filling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206997U true CN206206997U (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621021934.4U Active CN206206997U (en) | 2016-08-31 | 2016-08-31 | Vehicular liquefied natural air-box type differential pressure filling apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224764A (en) * | 2016-08-31 | 2016-12-14 | 张家港富瑞特种装备股份有限公司 | Vehicular liquefied natural gas box differential pressure filling apparatus and method |
-
2016
- 2016-08-31 CN CN201621021934.4U patent/CN206206997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224764A (en) * | 2016-08-31 | 2016-12-14 | 张家港富瑞特种装备股份有限公司 | Vehicular liquefied natural gas box differential pressure filling apparatus and method |
| CN106224764B (en) * | 2016-08-31 | 2019-05-28 | 张家港富瑞特种装备股份有限公司 | Vehicular liquefied natural air-box type differential pressure filling apparatus and method |
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