CN216342486U - Double-bottle gas supply system with pump for gas engine - Google Patents
Double-bottle gas supply system with pump for gas engine Download PDFInfo
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- CN216342486U CN216342486U CN202121532338.3U CN202121532338U CN216342486U CN 216342486 U CN216342486 U CN 216342486U CN 202121532338 U CN202121532338 U CN 202121532338U CN 216342486 U CN216342486 U CN 216342486U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses a double-bottle gas supply system with a pump for a gas engine, which comprises: take the pump gas cylinder, the pump liquid outlet of taking the pump gas cylinder links to each other with the one end of gas supply pipe, and it has high-pressure vaporizer and high-pressure buffer tank to establish ties on the gas supply pipe, and high-pressure vaporizer is located between high-pressure buffer tank and the area pump gas cylinder, and the inlet of taking the pump gas cylinder links to each other with the one end of first feed liquor pipe, and the gas phase mouth of taking the pump gas cylinder links to each other with the one end of first gas phase pipe, still includes: the liquid inlet of the liquid supplementing gas bottle is connected with one end of the second liquid inlet pipe, the gas phase port of the liquid supplementing gas bottle is connected with one end of the second gas phase pipe, the liquid outlet of the liquid supplementing gas bottle is connected with one end of the liquid supplementing pipe, and the other end of the liquid supplementing pipe is connected with the liquid inlet of the gas cylinder with the pump. The double-cylinder gas supply system with the pump can supplement liquid for the gas cylinder with the pump through the liquid supplementing gas cylinder, so that the endurance mileage can be greatly increased; the liquid supplementing gas cylinder is a conventional vehicle gas cylinder without a pump, so the cost increase of the gas supply system is little.
Description
Technical Field
The utility model relates to a gas supply system of a gas engine, in particular to a double-bottle gas supply system with a pump for the gas engine.
Background
The existing structure of the air supply system with pump for the HPDI gas engine comprises: the gas cylinder with the pump is characterized in that a liquid outlet of the gas cylinder with the pump is connected with one end of a gas supply pipe, the other end of the gas supply pipe is connected with an engine to supply gas for the engine, a high-pressure vaporizer and a high-pressure buffer tank are connected in series on the gas supply pipe, the high-pressure vaporizer is located between the high-pressure buffer tank and the gas cylinder with the pump, a liquid inlet of the gas cylinder with the pump is connected with one end of a liquid inlet pipe, and a gas phase port of the gas cylinder with the pump is connected with one end of a gas phase pipe. The gas cylinder with the pump is an existing gas cylinder with a high-pressure pump arranged inside, the liquid inlet pipe is used for injecting LNG into the gas cylinder with the pump, the gas phase pipe is used for returning gas, the pump can pump the LNG into the high-pressure vaporizer for vaporization, and then vaporized natural gas can enter the high-pressure buffer tank for buffering and then enters a gas engine. The existing air supply system with the pump is a single-bottle system, and along with the fire explosion of domestic long-distance transportation, cold chain transportation and express transportation markets, the endurance mileage of the single-bottle system cannot meet the use requirement.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the pump-equipped double-bottle gas supply system for the gas engine with less cost increase and high endurance mileage is provided.
In order to solve the problems, the technical scheme adopted by the utility model is as follows: a two-cylinder gas supply system with pump for a gas engine, comprising: take the pump gas cylinder, the pump of taking the pump gas cylinder goes out the liquid mouth and links to each other with the one end of gas supply pipe, and the other end of gas supply pipe is used for linking to each other with the engine and provides the gas for the engine, and it has high-pressure vaporizer and high-pressure buffer tank to establish ties on the gas supply pipe, and high-pressure vaporizer is located high-pressure buffer tank and takes between the pump gas cylinder, and the inlet of taking the pump gas cylinder links to each other with the one end of first feed liquor pipe, and the gaseous phase mouth of taking the pump gas cylinder links to each other its characterized in that with the one end of first gaseous phase pipe: further comprising: and the liquid outlet of the liquid supplementing gas cylinder is connected with one end of a liquid supplementing pipe, and the other end of the liquid supplementing pipe is connected with the liquid inlet of the gas cylinder with the pump.
Further, the aforementioned two-cylinder air supply system with pump for a gas engine, wherein: the liquid replenishing device is characterized by further comprising a pressurizing pipe, one end of the pressurizing pipe is connected with the liquid replenishing pipe, the other end of the pressurizing pipe is connected with the second gas phase pipe, a pressurizing and pressure regulating valve and a finned tube vaporizer are connected to the pressurizing pipe in series, and the pressurizing and pressure regulating valve is located between the finned tube vaporizer and the liquid replenishing pipe.
Further, the aforementioned two-cylinder air supply system with pump for a gas engine, wherein: the liquid supplementing pipe, the first liquid inlet pipe, the second liquid inlet pipe and the fuel gas supply pipe are all connected in series with a one-way valve for preventing backflow, and the second liquid inlet pipe, the first gas phase pipe, the second gas phase pipe and the liquid supplementing pipe are all connected in series with a manual stop valve.
Further, the aforementioned two-cylinder air supply system with pump for a gas engine, wherein: the first liquid inlet pipe and the second liquid inlet pipe are both connected with a liquid inlet header pipe, and the first gas phase pipe and the second gas phase pipe are both connected with a gas phase header pipe.
Further, the aforementioned two-cylinder air supply system with pump for a gas engine, wherein: the gas cylinder with the pump is also connected with a liquid discharge pipe for emptying the gas cylinder with the pump.
Further, the aforementioned two-cylinder air supply system with pump for a gas engine, wherein: the gas supply pipe, the second gas phase pipe and the pressure increasing pipe are respectively connected with one end of one emptying pipe, and safety valves are connected on the emptying pipes in series.
The utility model has the advantages that: the double-cylinder gas supply system with the pump can supplement liquid for the gas cylinder with the pump through the liquid supplementing gas cylinder, so that the endurance mileage can be greatly increased; the liquid supplementing gas cylinder is a conventional vehicle gas cylinder without a pump, so the cost increase of the gas supply system is little.
Drawings
Fig. 1 is a schematic structural view of a double-cylinder gas supply system with a pump for a gas engine according to the present invention.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and the attached drawings.
As shown in fig. 1, the double-cylinder air supply system with pump for gas engine includes: take pump gas cylinder 1, the pump outlet 13 of taking pump gas cylinder 1 links to each other with the one end of gas supply pipe 2, the other end of gas supply pipe 2 is used for linking to each other with engine 3 and provides the gas for engine 3, it has high-pressure vaporizer 21 and high-pressure buffer tank 22 to establish ties on gas supply pipe 2, high-pressure vaporizer 21 is located between high-pressure buffer tank 22 and the pump gas cylinder 1 of taking, the first inlet 14 of taking pump gas cylinder 1 links to each other with the one end of first feed liquor pipe 41, the first gaseous phase mouth 15 of taking pump gas cylinder 1 links to each other with the one end of first gaseous phase pipe 51, still include: the liquid supplementing gas cylinder 6 is a conventional LNG vehicle gas cylinder without a pump; the second liquid inlet 64 of the liquid supplementing gas bottle 6 is connected with one end of the second liquid inlet pipe 42, the second gas phase port 65 of the liquid supplementing gas bottle 6 is connected with one end of the second gas phase pipe 52, the liquid outlet 66 of the liquid supplementing gas bottle 6 is connected with one end of the liquid supplementing pipe 7, and the other end of the liquid supplementing pipe 7 is connected with the first liquid inlet 14 of the gas bottle with pump 1.
The pump in the gas cylinder 1 with pump can pump the LNG in the gas cylinder 1 with pump into the high-pressure vaporizer 21 for vaporization, and then the vaporized natural gas enters the high-pressure buffer tank 22 for buffering and then enters the gas engine 3 for combustion. The liquid supplementing gas cylinder 6 can supplement liquid for the gas cylinder 1 with the pump through the liquid supplementing pipe 7, and therefore the endurance mileage is increased.
Since the pressure in the fluid infusion gas cylinder 6 needs to be higher than the pressure in the gas cylinder 1 with a pump when the fluid infusion gas cylinder 6 supplements LNG to the gas cylinder 1 with a pump, in this embodiment, a pressure increasing pipe 8 is further provided, one end of the pressure increasing pipe 8 is connected to the fluid infusion pipe 7, the other end of the pressure increasing pipe 8 is connected to the second gas phase pipe 52, a pressure increasing and regulating valve 81 and a finned tube vaporizer 82 are connected in series to the pressure increasing pipe 8, and the pressure increasing and regulating valve 81 is located between the finned tube vaporizer 82 and the fluid infusion pipe 7. After the pressurization and pressure regulation valve 81 is opened, LNG in the liquid replenishing gas cylinder 6 enters the finned tube vaporizer 82 for vaporization, and then the generated vaporized natural gas enters the gas phase of the liquid replenishing gas cylinder 6 through the second gas phase tube 52 to pressurize the liquid replenishing gas cylinder 6.
The liquid supplementing pipe 7, the first liquid inlet pipe 41, the second liquid inlet pipe 42 and the gas supply pipe 2 are all connected in series with a check valve 11 for preventing backflow, and the second liquid inlet pipe 42, the first gas phase pipe 51, the second gas phase pipe 52 and the liquid supplementing pipe 7 are all connected in series with a manual stop valve 12. After the manual stop valves 12 on the second liquid inlet pipe 42, the second gas phase pipe 52 and the liquid supplementing pipe 7 are closed, the gas cylinder 1 with the pump can be ensured to be independently used.
The first liquid inlet pipe 41 and the second liquid inlet pipe 42 are connected to a liquid inlet header pipe 43, and the first vapor phase pipe 51 and the second vapor phase pipe 52 are connected to a vapor phase header pipe 53.
The gas cylinder 1 with the pump is also connected with a liquid discharge pipe 61 for emptying the gas cylinder 1 with the pump, and the liquid discharge pipe 61 is provided with a manual stop valve 12.
The gas supply pipe 2, the second gas phase pipe 52 and the pressure increasing pipe 8 are respectively connected with one end of a vent pipe 62, and a safety valve 63 is connected in series on each vent pipe 62.
Claims (6)
1. A two-cylinder gas supply system with pump for a gas engine, comprising: take the pump gas cylinder, the pump of taking the pump gas cylinder goes out the liquid mouth and links to each other with the one end of gas supply pipe, and the other end of gas supply pipe is used for linking to each other with the engine and provides the gas for the engine, and it has high-pressure vaporizer and high-pressure buffer tank to establish ties on the gas supply pipe, and high-pressure vaporizer is located high-pressure buffer tank and takes between the pump gas cylinder, and the inlet of taking the pump gas cylinder links to each other with the one end of first feed liquor pipe, and the gaseous phase mouth of taking the pump gas cylinder links to each other its characterized in that with the one end of first gaseous phase pipe: further comprising: and the liquid outlet of the liquid supplementing gas cylinder is connected with one end of a liquid supplementing pipe, and the other end of the liquid supplementing pipe is connected with the liquid inlet of the gas cylinder with the pump.
2. The pumped two-cylinder air supply system for a gas engine according to claim 1, characterized in that: the liquid replenishing device is characterized by further comprising a pressurizing pipe, one end of the pressurizing pipe is connected with the liquid replenishing pipe, the other end of the pressurizing pipe is connected with the second gas phase pipe, a pressurizing and pressure regulating valve and a finned tube vaporizer are connected to the pressurizing pipe in series, and the pressurizing and pressure regulating valve is located between the finned tube vaporizer and the liquid replenishing pipe.
3. The pumped two-bottle air supply system for a gas engine according to claim 1 or 2, characterized in that: the liquid supplementing pipe, the first liquid inlet pipe, the second liquid inlet pipe and the fuel gas supply pipe are all connected in series with a one-way valve for preventing backflow, and the second liquid inlet pipe, the first gas phase pipe, the second gas phase pipe and the liquid supplementing pipe are all connected in series with a manual stop valve.
4. The pumped two-bottle air supply system for a gas engine according to claim 1 or 2, characterized in that: the first liquid inlet pipe and the second liquid inlet pipe are both connected with a liquid inlet header pipe, and the first gas phase pipe and the second gas phase pipe are both connected with a gas phase header pipe.
5. The pumped two-bottle air supply system for a gas engine according to claim 1 or 2, characterized in that: the gas cylinder with the pump is also connected with a liquid discharge pipe for emptying the gas cylinder with the pump.
6. The pumped two-cylinder air supply system for a gas engine according to claim 2, characterized in that: the gas supply pipe, the second gas phase pipe and the pressure increasing pipe are respectively connected with one end of one emptying pipe, and safety valves are connected on the emptying pipes in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121532338.3U CN216342486U (en) | 2021-07-07 | 2021-07-07 | Double-bottle gas supply system with pump for gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121532338.3U CN216342486U (en) | 2021-07-07 | 2021-07-07 | Double-bottle gas supply system with pump for gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342486U true CN216342486U (en) | 2022-04-19 |
Family
ID=81160621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121532338.3U Active CN216342486U (en) | 2021-07-07 | 2021-07-07 | Double-bottle gas supply system with pump for gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342486U (en) |
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2021
- 2021-07-07 CN CN202121532338.3U patent/CN216342486U/en active Active
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Effective date of registration: 20230915 Address after: 215600 Fuxin (morning) road 19, Yang Shi Town, Zhangjiagang City, Suzhou, Jiangsu. Patentee after: Zhangjiagang Furui New Energy Technology Co.,Ltd. Address before: 215600 Zhangjiagang Furui Cryogenic Technology Co., Ltd., 19 Fuxin (Chenxin) road, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: ZHANGJIAGANG FURUI CRYOGENIC TECHNOLOGY Co.,Ltd. |