CN107218502A - Limitation charging device and liquefied natural gas bottle - Google Patents
Limitation charging device and liquefied natural gas bottle Download PDFInfo
- Publication number
- CN107218502A CN107218502A CN201610382851.6A CN201610382851A CN107218502A CN 107218502 A CN107218502 A CN 107218502A CN 201610382851 A CN201610382851 A CN 201610382851A CN 107218502 A CN107218502 A CN 107218502A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- reserved
- natural gas
- liquefied natural
- reserved cylinder
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
Abstract
This application discloses one kind limitation charging device and liquefied natural gas bottle, the limitation charging device includes the reserved cylinder in liquefied natural gas bottle inner bag, feed tube is extended in the reserved cylinder and passed from the bottom of the reserved cylinder, the negative pressure suction inlet connected with the reserved inner barrel is offered on the feed tube, the negative pressure suction inlet is close to the bottom wall of the reserved cylinder, and the bottom of the reserved cylinder offers one and enters fluid through-hole.The overfill-limiting device of the present invention uses the principle of jet pump, an easy jet pump has been installed additional on reserved cylinder, the residual liquid in reserved cylinder is pumped out in topping up, ensure that gas cylinder reserves cylinder and there are enough spaces to meet liquid backflow in inner bag after being full of, it is ensured that the gas-phase space in gas cylinder inner barrel.
Description
Technical field
Technology is filled the present invention relates to vehicle gas cylinder, it is to ensure the special purpose device that gas cylinder limitation is filled,
The appearance of gas cylinder safely problem caused by preventing after gas cylinder overfilling.The present invention is more particularly directed to one kind is automobile-used
Liquefied natural gas bottle jet pump-type limitation fills special purpose device.
Background technology
Overfill-limiting device used in current automobile-used LNG gas cylinders is mainly used installs a reserved cylinder additional in gas cylinder internal
Body, and the perforate on reserved cylinder, bore is 3 between 5mm.After gas cylinder is full of, liquid leads in bottle
Small holes are flowed into reserved cylinder, and the liquid level in cylinder liner declines, it is ensured that gas-phase space in bottle.
What vehicle gas cylinder overfill-limiting device in the market was used is all passive fixed mode, and the device exists
Have in gas cylinder can not ensure during residual liquid gas cylinder be full of after gas-phase space reach design requirement, it will usually
Cause gas cylinder internal drastically to boost, cause safety valve to discharge.
The content of the invention
It is an object of the invention to provide one kind limitation charging device and liquefied natural gas bottle, the overfill-limiting device
Using mold filling formula is actively limited, no matter charging limiting function can be met under what operating mode.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application discloses a kind of liquefied natural gas bottle limitation charging device, including located at liquefaction day
Reserved cylinder in right cylinder liner, feed tube is extended in the reserved cylinder and from the reserved cylinder
Bottom pass, the negative pressure suction inlet connected with the reserved inner barrel is offered on the feed tube, should
Negative pressure suction inlet is close to the bottom wall of the reserved cylinder, and the bottom of the reserved cylinder offers a feed liquor and led to
Hole.
It is preferred that, in above-mentioned liquefied natural gas bottle limitation charging device, the feed tube includes first
Pipeline, jet pump and at least one second pipe, the jet pump are installed on the bottom of the reserved cylinder,
One end that first pipeline extends in the reserved cylinder and is located at reserved inner barrel with jet pump connects
Logical, the second pipe extends in the inner bag and is located at one end in inner bag with jet pump and connects, institute
Negative pressure suction inlet is stated to be formed on the jet pump.
It is preferred that, in above-mentioned liquefied natural gas bottle limitation charging device, the outlet of the second pipe
Place is higher than height where the bottom wall of the reserved cylinder.
It is preferred that, in above-mentioned liquefied natural gas bottle limitation charging device, the feed tube includes two
Second pipe, one end of two second pipes is connected by the bottom of a reducer tee and the jet pump
It is logical.
It is preferred that, in above-mentioned liquefied natural gas bottle limitation charging device, described two second pipes
Both sides of the other end respectively from the reserved cylinder are upwardly extended.
It is preferred that, in above-mentioned liquefied natural gas bottle limitation charging device, the reserved cylinder is fixed on
The top of the inner bag.
It is preferred that, in above-mentioned liquefied natural gas bottle limitation charging device, the reserved cylinder is a circle
Tubular cylinder, it is axially axially in parallel with the inner bag.
It is preferred that, in above-mentioned liquefied natural gas bottle limitation charging device, the two ends of the reserved cylinder
The top of the inner bag is fixedly welded on by a supporting plate respectively.
It is preferred that, in above-mentioned liquefied natural gas bottle limitation charging device, the reserved cylinder with it is described
A clearance space is formed between the top of inner bag.
Disclosed herein as well is a kind of liquefied natural gas bottle, including inner bag, feed tube and in inner bag
Reserved cylinder, the feed tube extends in reserved cylinder and passed from the bottom of the reserved cylinder,
The negative pressure suction inlet connected with the reserved inner barrel is offered on the feed tube, the negative pressure suction inlet is pressed close to
In the bottom wall of the reserved cylinder, the bottom of the reserved cylinder offers one and enters fluid through-hole.
Compared with prior art, the advantage of the invention is that：
The overfill-limiting device of the present invention uses the principle of jet pump, has installed one additional on reserved cylinder easily
Jet pump, pumps out the residual liquid in reserved cylinder in topping up, it is ensured that gas cylinder reserves cylinder after being full of
There are enough spaces to meet liquid in inner bag to flow back, it is ensured that the gas-phase space in gas cylinder inner barrel.
Brief description of the drawings
, below will be to reality in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing used required for applying in example or description of the prior art is briefly described, it should be apparent that, below
Accompanying drawing in description is only some embodiments described in the application, for those of ordinary skill in the art
For, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show the front view of liquefied natural gas bottle in the specific embodiment of the invention；
Fig. 2 show the enlarged diagram of A in Fig. 1；
Fig. 3 show the side view of liquefied natural gas bottle in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Detailed description, it is clear that described embodiment is only a part of embodiment of the invention, rather than entirely
The embodiment in portion.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work on the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
With reference to shown in Fig. 1 to Fig. 3, liquefied natural gas bottle includes inner bag 1, reserved cylinder 2, feed tube 3
With drain pipe 4.
Reserved cylinder 2 is in liquefied natural gas bottle inner bag 1, and feed tube 3 is extended in reserved cylinder 2
And passed from the bottom of reserved cylinder 2, offered on feed tube 3 and bearing that the reserved inside of cylinder 2 is connected
Suction inlet 321 is pressed, the negative pressure suction inlet 321 is close to the bottom wall of reserved cylinder 2, the bottom of reserved cylinder 2 is opened
Enter fluid through-hole provided with one.
In the technical scheme, feed tube is introduced from outside inner bag, and enters its chamber from the top of reserved cylinder
Body, then enters back into inner bag from the bottom of reserved cylinder, and feed tube presses close to reserved cylinder bottom wall and sets negative pressure
Suction inlet, when liquid is from feed tube into inner bag, under suction function, the residual liquid reserved in cylinder leads to
Cross negative pressure suction inlet and be sucked into inner bag, realize and reserved cylinder is emptied.
When liquid level exceedes into fluid through-hole in inner bag, liquid enters reserved inner barrel from fluid through-hole is entered.
In a preferred embodiment, feed tube 3 include the first pipeline 31, jet pump 32 and at least one
Second pipe 33, jet pump 32 is installed on the bottom of reserved cylinder 2, and the first pipeline 31 extends reserved
Connected in cylinder 2 and with one end that jet pump 32 is located inside reserved cylinder 2, second pipe 33 extends
In inner bag 1 and it is located at one end in inner bag 1 with jet pump 32 to connect, negative pressure suction inlet 321, which is formed at, to be penetrated
Flow on pump 32.
Further, the exit of second pipe 33 is higher than height where the bottom wall of reserved cylinder 2.
It is preferred that, feed tube 3 includes two second pipes 33, and one end of two second pipes 33 passes through
One reducer tee 34 is connected with the bottom of jet pump 32.
Further, both sides of the other end of two second pipes 33 respectively from reserved cylinder 2 are upwardly extended.
In a preferred embodiment, the top that cylinder 2 is fixed on inner bag 1 is reserved.
Further, it is a cylindrical drum to reserve cylinder 2, and it is axially axially in parallel with inner bag 1.
The two ends of reserved cylinder 2 are fixedly welded on the top of inner bag 1 by a supporting plate 21 respectively.Reserved cylinder
A clearance space 22 is formed between 2 and the top of inner bag 1.
The new overfill-limiting device of the present invention is reserved in gas cylinder internal uses jet pump technology in cylinder, without external
The energy, swiftly flowing liquid is protected by the residual liquid pump in reserved cylinder into inner bag during using topping up
Liquid in inner barrel rapidly can be back to reserved cylinder by the reserved cylinder of card after inner barrel is hydraulically full
In, it is ensured that the gas-phase space of design is reached in inner barrel, it is to avoid pressure, which rises, causes safety valve to be opened.
It should be noted that herein, such as first and second or the like relational terms are used merely to
One entity or operation are made a distinction with another entity or operation, and not necessarily requires or implies
There is any this actual relation or order between these entities or operation.Moreover, term " comprising ", " bag
Containing " or any other variant thereof is intended to cover non-exclusive inclusion, so that including a series of key elements
Process, method, article or equipment not only include those key elements, but also including being not expressly set out
Other key elements, or also include for this process, method, article or the intrinsic key element of equipment.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that in bag
Also there is other identical element in the process, method, article or the equipment that include the key element.
Described above is only the embodiment of the application, it is noted that for the general of the art
For logical technical staff, on the premise of the application principle is not departed from, some improvement and profit can also be made
Decorations, these improvements and modifications also should be regarded as the protection domain of the application.
Claims (10)
- The charging device 1. a kind of liquefied natural gas bottle is limited the quantity, it is characterised in that including located at liquefied natural gas Reserved cylinder in bottle inner bag, feed tube is extended in the reserved cylinder and from the bottom of the reserved cylinder Portion is passed, and the negative pressure suction inlet connected with the reserved inner barrel, the negative pressure are offered on the feed tube Suction inlet is close to the bottom wall of the reserved cylinder, and the bottom of the reserved cylinder offers one and enters fluid through-hole.
- The charging device 2. liquefied natural gas bottle according to claim 1 is limited the quantity, it is characterised in that：Institute Stating feed tube includes the first pipeline, jet pump and at least one second pipe, and the jet pump is installed on institute The bottom of reserved cylinder is stated, first pipeline is extended in the reserved cylinder and is located at jet pump pre- One end of inner barrel is stayed to connect, the second pipe is extended in the inner bag and is located at jet pump interior One end connection in courage, the negative pressure suction inlet is formed on the jet pump.
- The charging device 3. liquefied natural gas bottle according to claim 2 is limited the quantity, it is characterised in that：Institute The exit of second pipe is stated higher than height where the bottom wall of the reserved cylinder.
- The charging device 4. liquefied natural gas bottle according to claim 2 is limited the quantity, it is characterised in that：Institute Stating feed tube includes two second pipes, and one end of two second pipes passes through a reducer tee and institute State the bottom connection of jet pump.
- The charging device 5. liquefied natural gas bottle according to claim 4 is limited the quantity, it is characterised in that：Institute Both sides of the other end of two second pipes respectively from the reserved cylinder are stated to upwardly extend.
- The charging device 6. liquefied natural gas bottle according to claim 1 is limited the quantity, it is characterised in that：Institute State the top that reserved cylinder is fixed on the inner bag.
- The charging device 7. liquefied natural gas bottle according to claim 6 is limited the quantity, it is characterised in that：Institute Reserved cylinder is stated for a cylindrical drum, it is axially axially in parallel with the inner bag.
- The charging device 8. liquefied natural gas bottle according to claim 7 is limited the quantity, it is characterised in that：Institute The two ends for stating reserved cylinder are fixedly welded on the top of the inner bag by a supporting plate respectively.
- The charging device 9. liquefied natural gas bottle according to claim 8 is limited the quantity, it is characterised in that：Institute A clearance space is formed between the top for stating reserved cylinder and the inner bag.
- 10. a kind of liquefied natural gas bottle, it is characterised in that including inner bag, feed tube and located at inner bag Interior reserved cylinder, the feed tube is extended in reserved cylinder and passed from the bottom of the reserved cylinder, The negative pressure suction inlet connected with the reserved inner barrel is offered on the feed tube, the negative pressure suction inlet is pressed close to In the bottom wall of the reserved cylinder, the bottom of the reserved cylinder offers one and enters fluid through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382851.6A CN107218502B (en) | 2016-06-01 | 2016-06-01 | Limit filling device and liquefied natural gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382851.6A CN107218502B (en) | 2016-06-01 | 2016-06-01 | Limit filling device and liquefied natural gas cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107218502A true CN107218502A (en) | 2017-09-29 |
| CN107218502B CN107218502B (en) | 2023-03-10 |
Family
ID=59927419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610382851.6A Active CN107218502B (en) | 2016-06-01 | 2016-06-01 | Limit filling device and liquefied natural gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218502B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606477A (en) * | 2017-11-09 | 2018-01-19 | 田锋 | The horizontal insulated gas cylinder of anti-overfilling |
Citations (9)
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|---|---|---|---|---|
| CN1065920A (en) * | 1991-04-16 | 1992-11-04 | 青岛市煤气公司 | Residual liquid emptying device for liquefied gas steel cylinder |
| CN2262159Y (en) * | 1996-02-05 | 1997-09-10 | 高勇 | Raffinate utilizing device for liquefied gas |
| US20070277533A1 (en) * | 2006-06-01 | 2007-12-06 | Bayerische Motoren Werke Aktiengesellschaft | System for the Fuel Storage and Fuel Delivery of Cryogenic Fuel |
| KR101113176B1 (en) * | 2010-10-02 | 2012-02-16 | 다임폴라특장주식회사 | Liquid nature gas tank for vehicle |
| CN202807562U (en) * | 2012-07-05 | 2013-03-20 | 青岛瑞丰气体有限公司 | Excessive filling prevention vacuum container |
| CN204005198U (en) * | 2014-07-21 | 2014-12-10 | 十堰厚发汽车零部件有限公司 | The anti-overfilling control gear of a kind of LNG mounted gas cylinder |
| CN104728594A (en) * | 2013-12-24 | 2015-06-24 | 陕西汽车集团有限责任公司 | Automotive liquefied natural gas cylinder |
| CN204554356U (en) * | 2015-04-02 | 2015-08-12 | 日照兴业汽车配件有限公司 | The anti-overfilling control gear of a kind of LNG horizontal gas bottle |
| CN205664103U (en) * | 2016-06-01 | 2016-10-26 | 张家港富瑞特种装备股份有限公司 | Limit quantity of and fill dress device and liquefied natural gas bottle |
-
2016
- 2016-06-01 CN CN201610382851.6A patent/CN107218502B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065920A (en) * | 1991-04-16 | 1992-11-04 | 青岛市煤气公司 | Residual liquid emptying device for liquefied gas steel cylinder |
| CN2262159Y (en) * | 1996-02-05 | 1997-09-10 | 高勇 | Raffinate utilizing device for liquefied gas |
| US20070277533A1 (en) * | 2006-06-01 | 2007-12-06 | Bayerische Motoren Werke Aktiengesellschaft | System for the Fuel Storage and Fuel Delivery of Cryogenic Fuel |
| KR101113176B1 (en) * | 2010-10-02 | 2012-02-16 | 다임폴라특장주식회사 | Liquid nature gas tank for vehicle |
| CN202807562U (en) * | 2012-07-05 | 2013-03-20 | 青岛瑞丰气体有限公司 | Excessive filling prevention vacuum container |
| CN104728594A (en) * | 2013-12-24 | 2015-06-24 | 陕西汽车集团有限责任公司 | Automotive liquefied natural gas cylinder |
| CN204005198U (en) * | 2014-07-21 | 2014-12-10 | 十堰厚发汽车零部件有限公司 | The anti-overfilling control gear of a kind of LNG mounted gas cylinder |
| CN204554356U (en) * | 2015-04-02 | 2015-08-12 | 日照兴业汽车配件有限公司 | The anti-overfilling control gear of a kind of LNG horizontal gas bottle |
| CN205664103U (en) * | 2016-06-01 | 2016-10-26 | 张家港富瑞特种装备股份有限公司 | Limit quantity of and fill dress device and liquefied natural gas bottle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606477A (en) * | 2017-11-09 | 2018-01-19 | 田锋 | The horizontal insulated gas cylinder of anti-overfilling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107218502B (en) | 2023-03-10 |
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