CN203615074U - LNG recycling device in vehicular fuel gas container of disqualified vehicle - Google Patents
LNG recycling device in vehicular fuel gas container of disqualified vehicle Download PDFInfo
- Publication number
- CN203615074U CN203615074U CN201320796793.3U CN201320796793U CN203615074U CN 203615074 U CN203615074 U CN 203615074U CN 201320796793 U CN201320796793 U CN 201320796793U CN 203615074 U CN203615074 U CN 203615074U
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- lng
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- storage tank
- tank system
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Abstract
The utility model discloses an LNG recycling device in a vehicular fuel gas container of a disqualified vehicle. The LNG recycling device comprises an LNG storage tank system (1). A liquid inlet of the LNG storage tank system (1) is connected with a liquid outlet hose (3) through a liquid return pipeline (2), and a liquid outlet of the LNG storage tank system (1) is communicated with a liquid inlet of an immersed pump (4). A liquid outlet of the immersed pump (4) is connected with the inlet end of a pressure boosting vaporizer (5), and the outlet end of the pressure boosting vaporizer (5) is connected with the inlet end of a buffering tank (6). The outlet end of the buffering tank (6) is connected with an inflation hose (9) through an inflation pipeline (8). High-pressure gas generated through the immersed pump is used for extruding LNG in the vehicular fuel gas container, the LNG is recovered in the LNG storage tank system, and the LNG recycling device has the advantages of being high in energy utilization rate, safe, friendly to the environment, convenient to control, and the like.
Description
Technical field
The utility model relates to the one interior LNG gas concentration unit of underproof LNG vehicle after testing.
Background technique
LNG automobile is the abbreviation of LNGV (liquefied natural gas vehicle), LNG automobile is the gas-fueled vehicles of new generation take low temperature liquid rock gas as fuel, and its outstanding advantages is that LNG energy density is large, and automobile continual mileage is long, more than can reaching 400km, automobile uses diesel oil, gasoline to have significant economic benefit relatively.Along with LNG is constantly promoted and development in automotive fuel field.The market demand of LNG vehicle starts into explosive growth.At present, in actual production and testing process, there is a problem in LNG automobile always, once produce defective situation after finished car examination fills LNG trial run detection, just need check and fault repair defective vehicle, in this process, consider from many-sided angles such as safety, may need LNG in defective vehicle vehicle-mounted bottle to process.Conventional processing mode is first to utilize vehicular engine combustion manner that too much LNG is consumed, and then utilizes emptying mode to process a small amount of LNG of residue.The direct result that this way produces is not only aggravation environmental pollution, and wastes energy and increase the manufacture cost of vehicle manufacturers, therefore needs to improve.
Model utility content
Technical problem to be solved in the utility model is to provide LNG combustion gas recovering device in a kind of defective LNG vehicle vehicle-mounted bottle.
The technical solution of the utility model is as follows: the defective vehicle vehicle-mounted bottle of a kind of LNG combustion gas recovering device, comprise LNG storage tank system (1), the liquid entering hole of this LNG storage tank system (1) is connected with fluid flexible pipe (3) by liquid return pipe road (2), the liquid outlet of this LNG storage tank system (1) is connected with the liquid entering hole of immersed pump (4), the liquid outlet of described immersed pump (4) is connected with the entry end of supercharging vaporizer (5), the outlet end of this supercharging vaporizer (5) is connected with the entry end of knock out drum (6), the outlet end of described knock out drum (6) is connected with inflated hose (9) by loading line (8).
Adopt said apparatus when combustion gas is reclaimed to the defective vehicle vehicle-mounted bottle of LNG, fluid flexible pipe is connected with vehicle vehicle-mounted bottle liquid phase interface, inflated hose is connected with vehicle vehicle-mounted bottle gas phase interface, start immersed pump, the LNG storing in LNG storage tank system is pressurizeed and store in knock out drum after the gasification of supercharging vaporizer, after cushioning in knock out drum, gas after gasification will enter in vehicle-mounted bottle by vehicle-mounted bottle gas phase mouth, due to gas phase and liquid phase generation pressure reduction, the interior liquid of vehicle-mounted bottle can be extruded and pass through liquid return pipe road by vehicle-mounted bottle liquid phase mouth under pressure and be recovered in LNG storage tank system.This recovering device can fully reclaim combustion gas in vehicle vehicle-mounted bottle, finally makes only to remain in vehicle vehicle-mounted bottle a small amount of LNG liquid or gas.
For liquid is better stored by LNG storage tank system, described liquid return pipe road (2) is divided into two-way and is connected with bottom liquid inlet mouth and the top liquid entering hole of LNG storage tank system (1) respectively.
The air return end of described immersed pump (4) is connected with the gas phase end of LNG storage tank system (1) via the first switch valve (10).Adopt this setting, before reclaiming, open the first switch valve, can carry out immersed pump cooling, from storage tank system flow out liquid enter in immersed pump pump pond, when cooling produce gas enter in LNG storage tank system through the first switch valve, after immersed pump is fully cooling, can reclaim.
In order better to control back liquid and inflation, on described liquid return pipe road (2), be provided with back liquid switch valve (11), on described loading line (8), be provided with gas-filled switching tube valve (12).
For better control, the front end of described supercharging vaporizer (5) is provided with supercharging switch valve (13).
The liquid outlet of described immersed pump (4) is connected with the liquid entering hole of LNG storage tank system (1) side by side, is provided with cycling switch valve (14) on this circuit.
Beneficial effect: the utility model utilizes the comprehensive pressurized gas that produce of immersed pump and related accessories that LNG in vehicle-mounted bottle is extruded and reclaimed in LNG storage tank system, has that energy utilization rate is high, safety and environmental protection, is convenient to the features such as control.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the utility model comprises LNG storage tank system 1, liquid return pipe road 2, fluid flexible pipe 3, immersed pump 4, supercharging vaporizer 5, knock out drum 6, loading line 8, inflated hose 9, the first switch valve 10, return liquid switch valve 11, gas-filled switching tube valve 12, supercharging switch valve 13, cycling switch valve 14, second switch valve 15, the parts such as the 3rd switch valve 16 and the 4th switch valve 17, the top liquid entering hole of described LNG storage tank system 1 is connected with fluid flexible pipe 3 by liquid return pipe road 2 via the 3rd switch valve 16, the bottom liquid inlet mouth of this LNG storage tank system 1 is connected with fluid flexible pipe 3 by liquid return pipe road 2 via the 4th switch valve 17, on this liquid return pipe road 2, be provided with back liquid switch valve 11, the liquid outlet of described LNG storage tank system 1 is connected with the liquid entering hole of immersed pump 4 via second switch valve 15, the gas phase end of this LNG storage tank system 1 is connected via the first switch valve 10 with the air return end of immersed pump 4, and the liquid outlet of this immersed pump 4 is connected with the liquid entering hole of LNG storage tank system 1 side by side, on this circuit, be provided with cycling switch valve 14.The liquid outlet of described immersed pump 4 is connected with the entry end of supercharging vaporizer 5, and the front end of this supercharging vaporizer 5 is provided with supercharging switch valve 13, and the outlet end of this supercharging vaporizer 5 is connected with the entry end of knock out drum 6.The outlet end of described knock out drum 6 is connected with inflated hose 9 by loading line 8, on this loading line 8, is provided with gas-filled switching tube valve 12.
The present embodiment working principle is as follows:
Fluid flexible pipe 3 is connected with liquid phase interface on vehicle vehicle-mounted bottle, inflated hose 9 is connected with gas phase interface on vehicle vehicle-mounted bottle, start LNG storage tank system 1 and immersed pump 4, open the first switch valve 10 and second switch valve 15, now LNG storage tank system 1 carries out precooling to immersed pump 4.After precooling, start immersed pump 4 and open supercharging switch valve 13, start supercharging vaporizer 5 LNG is carried out to supercharging gasification, gas storage after again supercharging being gasified is to knock out drum 6, in the time that the pressure in knock out drum 6 reaches required value, now immersed pump turns round with low frequency, and open cycling switch pump 14, the 3rd switch valve 16 and the 4th switch valve 17, and close supercharging switch valve 14, open back again liquid switch valve 11 and gas-filled switching tube valve 12, pressurized gas in knock out drum 6 are filled in vehicle vehicle-mounted bottle, due to gas phase and liquid phase generation pressure reduction, liquid in vehicle-mounted bottle can be extruded and pass through liquid return pipe road 2 by vehicle-mounted bottle liquid phase mouth under pressure and be recovered in LNG storage tank system 1.In callback course, when knock out drum 6 pressure are lower than setting when difference, again close cycling switch valve 14, open supercharging switch valve 13, start immersed pump 4 and continue knock out drum 6 to fill, reach after required value, open cycling switch valve 14, close supercharging switch valve 13.So repeatedly, until reclaim complete.
The foregoing is only preferred embodiment of the present utility model; not take the utility model as restriction; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. the defective vehicle vehicle-mounted bottle of a LNG combustion gas recovering device, it is characterized in that: comprise LNG storage tank system (1), the liquid entering hole of this LNG storage tank system (1) is connected with fluid flexible pipe (3) by liquid return pipe road (2), the liquid outlet of this LNG storage tank system (1) is connected with the liquid entering hole of immersed pump (4), the liquid outlet of described immersed pump (4) is connected with the entry end of supercharging vaporizer (5), the outlet end of this supercharging vaporizer (5) is connected with the entry end of knock out drum (6), the outlet end of described knock out drum (6) is connected with inflated hose (9) by loading line (8).
2. the defective vehicle vehicle-mounted bottle of LNG according to claim 1 combustion gas recovering device, is characterized in that: described liquid return pipe road (2) is divided into two-way and is connected with bottom liquid inlet mouth and the top liquid entering hole of LNG storage tank system (1) respectively.
3. the defective vehicle vehicle-mounted bottle of LNG according to claim 1 combustion gas recovering device, is characterized in that: the air return end of described immersed pump (4) is connected with the gas phase end of LNG storage tank system (1) via the first switch valve (10).
4. the defective vehicle vehicle-mounted bottle of LNG according to claim 1 combustion gas recovering device, is characterized in that: on described liquid return pipe road (2), be provided with back liquid switch valve (11), be provided with gas-filled switching tube valve (12) on described loading line (8).
5. the defective vehicle vehicle-mounted bottle of LNG according to claim 1 combustion gas recovering device, is characterized in that: the front end of described supercharging vaporizer (5) is provided with supercharging switch valve (13).
6. the defective vehicle vehicle-mounted bottle of LNG according to claim 1 combustion gas recovering device, is characterized in that: the liquid outlet of described immersed pump (4) is connected with the liquid entering hole of LNG storage tank system (1) side by side, is provided with cycling switch valve (14) on this circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320796793.3U CN203615074U (en) | 2013-12-03 | 2013-12-03 | LNG recycling device in vehicular fuel gas container of disqualified vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320796793.3U CN203615074U (en) | 2013-12-03 | 2013-12-03 | LNG recycling device in vehicular fuel gas container of disqualified vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203615074U true CN203615074U (en) | 2014-05-28 |
Family
ID=50767719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320796793.3U Expired - Fee Related CN203615074U (en) | 2013-12-03 | 2013-12-03 | LNG recycling device in vehicular fuel gas container of disqualified vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203615074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987277A (en) * | 2016-07-07 | 2016-10-05 | 中国人民解放军空军勤务学院 | Small liquid oxygen gas station |
| CN114001279A (en) * | 2021-10-28 | 2022-02-01 | 苏州圣汇装备有限公司 | Gas supply process for marine fuel tank |
-
2013
- 2013-12-03 CN CN201320796793.3U patent/CN203615074U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987277A (en) * | 2016-07-07 | 2016-10-05 | 中国人民解放军空军勤务学院 | Small liquid oxygen gas station |
| CN114001279A (en) * | 2021-10-28 | 2022-02-01 | 苏州圣汇装备有限公司 | Gas supply process for marine fuel tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20211203 |