CN204226056U - Liquefied Natural Gas fuel air supply unit - Google Patents
Liquefied Natural Gas fuel air supply unit Download PDFInfo
- Publication number
- CN204226056U CN204226056U CN201420679421.7U CN201420679421U CN204226056U CN 204226056 U CN204226056 U CN 204226056U CN 201420679421 U CN201420679421 U CN 201420679421U CN 204226056 U CN204226056 U CN 204226056U
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- connecting pipeline
- cutoff valves
- emergeny cutoff
- gas
- pipeline
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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
Abstract
The utility model discloses Liquefied Natural Gas fuel air supply unit, it comprises loading system, carries out filling operation by gas station, from pressurization system, engine air supply systems, the formation of described engine air supply systems is: the second liquid phase outlet of opening on described storage tank liquid Space position housing connects the 3rd Emergeny Cutoff Valves successively by the second connecting pipeline, vaporizer, hand stop valve, heater, pressure transducer, temperature transducer, knock out drum, 4th Emergeny Cutoff Valves and engine aspirating system are to motor air feed, described pressure transducer is connected with control system with temperature transducer, pipeline one end of diffusing that safety valve is housed is connected with the second connecting pipeline between described knock out drum and heater and the other end is communicated with air, adopt the automatic adjustment of the existing evaporator evaporation amount of this device, ensure that air feed quality.
Description
Technical field
The utility model relates to engine of boat and ship fuel system, is specifically related to the Liquefied Natural Gas fuel air supply unit of novel ship scrubbed gas or duel fuel engine.
Background technique
According to statistics, at present, the CO of shipping business
2discharge accounts for 2 ~ 4%, NO of the whole world
xdischarge accounts for 10 ~ 20%, SO of the whole world
xdischarge accounts for 4 ~ 8% of the whole world.Visible, shipping business has become the rich and influential family of air pollutant emission.Control atmospheric pollution drives maritime world and seeks advanced technology to reduce boats and ships discharged air pollutant.According to MARPOL pact supplemental provisions VI, the coming years, progressively implement stricter NO by global shipping world
xand SO
xemission request.
In the world, multiple emission control district (ECA district) has been divided.Abroad, Europe, North America, Asia etc. are all being devoted to advance LNG as bunker fuel.The states such as Norway have accumulated experience in the design of LNG power ship, construction, operation and inspection etc., in by the end of June, 2014, are abroad that the boats and ships of fuel have more than 80 with LNG, and wherein major part is operated in Europe.
LNG is started from 2010 as bunker fuel by China, and in by the end of June, 2014, the boats and ships built through National Maritime Bureau's approval and transform have nearly 30 (being mainly riverboat), in separately having more than 100 boats and ships to design, build or transform.LNG is suitable with heavy oil price, but LNG more environmental protection.The most promising method uses LNG fuel as an alternative exactly.
Mainly there is following problem in existing Liquefied Natural Gas fuel air supply unit:
Motor supply air line only has the function such as parameter display and warning, without controlling functions, effective regulable control gas consumption can not be carried out to reduce the escape of gas and to ensure air feed quality according to motor gas consumption; Supercharging vaporizer does not take Redundancy Design, and water/glycol system power does not have stand-by power, can not guarantee air feed safety and reliability.
Summary of the invention
The purpose of this utility model is the deficiency overcoming prior art, provides a kind of Liquefied Natural Gas fuel air supply unit that can control rock gas and escape, ensure the Redundancy Design to the air feed quality of motor air feed and security of supply gas.
Liquefied Natural Gas fuel air supply unit of the present utility model, it comprises:
Loading system, described loading system comprises C type storage tank, on described storage tank gas-phase space position housing on have and fill mouth and gas returning port, the described mouth that fills is connected by the liquid phase Emergeny Cutoff Valves of liquid phase pipeline with gas station that liquid phase Emergeny Cutoff Valves is housed, described gas returning port is connected with gas station gas phase Emergeny Cutoff Valves by gas phase pipeline that gas phase Emergeny Cutoff Valves is housed, carries out filling operation by gas station;
From pressurization system, the described formation from pressurization system is: the first liquid-phase outlet opened on described storage tank liquid Space position housing connects the first Emergeny Cutoff Valves, supercharging vaporizer, automatic pressure regulator, the second Emergeny Cutoff Valves and tank top gas phase opening successively by the first connecting pipeline;
Engine air supply systems, the formation of described engine air supply systems is: the second liquid phase outlet of opening on described storage tank liquid Space position housing connects the 3rd Emergeny Cutoff Valves successively by the second connecting pipeline, vaporizer, hand stop valve, heater, pressure transducer, temperature transducer, knock out drum, 4th Emergeny Cutoff Valves with and engine aspirating system to motor air feed, described pressure transducer is connected with control system with temperature transducer, pipeline one end of diffusing that safety valve is housed is connected with the second connecting pipeline between described knock out drum and heater and the other end is communicated with air,
3rd connecting pipeline of the 5th Emergeny Cutoff Valves is housed, and the 3rd described connecting pipeline one end is connected on the first connecting pipeline between automatic regulating valve and the second Emergeny Cutoff Valves and the other end of the 3rd connecting pipeline is connected on the second connecting pipeline between hand stop valve and vaporizer;
4th connecting pipeline of pressure regulator valve is housed, the 4th described connecting pipeline one end to be connected on the first connecting pipeline between automatic regulating valve and the second Emergeny Cutoff Valves and the other end of the 4th connecting pipeline be connected to be positioned at the 4th Emergeny Cutoff Valves outlet port the second connecting pipeline on.
The beneficial effect of employing the utility model structure is:
1.C type storage tank gas-phase space has a road pipe to be connected to heater inlet place, when pressure of storage tank is elevated to certain value, by the direct air feed of this pipeline to heater, can reduce the unlatching of tank safety valve so as far as possible, thus reduces the meaningless discharge of rock gas; The flow, temperature etc. of the heat transferring medium water/ethylene glycol solution of vaporizer and heater provide signal to control system automatically to control by the temperature transducer on the supply air line after heater, pressure transducer, thus realize the automatic adjustment of evaporator evaporation amount, when engine operating condition changes and causes air feed demand to reduce, evaporator evaporation amount reduces, avoid too much NG to drain into air from pipeline safety valve, cause waste and pollute; When engine cut-off, the gas in vaporizer or raffinate can be got back in storage tank, cause escape of gas in order to avoid discharge from safety valve after boosting.
2. ensureing in the air feed quality of motor air feed, vaporizer, heater design make air demand exceed the requirement of motor air consumption, motor supply air line is provided with pressure regulator valve and muffler system simultaneously, to ensure that air demand and supply gas pressure are stablized, thus ensures air feed quality.
3. in the Redundancy Design of security of supply gas, supercharging vaporizer has the function of vaporizer for subsequent use, once after the vaporizer inefficacy of system, as main evaporator, employing supercharging vaporizer be ensured that marine low speed goes back to port; The conveying of the heat medium in water/glycol system is provided with stand-by power, and stand-by power can be electronic or pneumatic, once dynamic failure, can be substituted by stand-by power.
Accompanying drawing explanation
Accompanying drawing is the structural representation of Liquefied Natural Gas fuel air supply unit of the present utility model.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the utility model is described in detail.
Liquefied Natural Gas fuel air supply unit of the present utility model as shown in drawings, it comprises:
Loading system, described loading system comprises C type storage tank 3, on described storage tank gas-phase space position housing on have and fill mouth and gas returning port, the described mouth that fills is connected by the liquid phase Emergeny Cutoff Valves 23 of liquid phase pipeline with gas station 2 that liquid phase Emergeny Cutoff Valves 16 is housed, described gas returning port is connected with gas station gas phase Emergeny Cutoff Valves 24 by gas phase pipeline that gas phase Emergeny Cutoff Valves 17 is housed, carries out filling operation by gas station;
From pressurization system, the described formation from pressurization system is: the first liquid-phase outlet opened on described storage tank 3 liquid Space position housing connects the first Emergeny Cutoff Valves 19, supercharging vaporizer 4, automatic pressure regulator 15, second Emergeny Cutoff Valves 18 and storage tank 3 top gas phase opening successively by the first connecting pipeline.
Engine air supply systems, the formation of described engine air supply systems is: the second liquid phase outlet of opening on described storage tank 3 liquid Space position housing connects the 3rd Emergeny Cutoff Valves 20 successively by the second connecting pipeline, vaporizer 5, hand stop valve 22, heater 6, pressure transducer 12, temperature transducer 11, knock out drum 7, 4th Emergeny Cutoff Valves 13 and engine aspirating system are to motor 1 air feed, described pressure transducer 12 is connected with control system with temperature transducer 11, pipeline one end of diffusing that safety valve 26 is housed is connected with the second connecting pipeline between described knock out drum 7 and heater and the other end is communicated with air,
3rd connecting pipeline of the 5th Emergeny Cutoff Valves 21 is housed, and the 3rd described connecting pipeline one end is connected on the first connecting pipeline between automatic regulating valve 15 and the second Emergeny Cutoff Valves 18 and the other end of the 3rd connecting pipeline is connected on the second connecting pipeline between hand stop valve 22 and vaporizer;
4th connecting pipeline of pressure regulator valve 14 is housed, the 4th described connecting pipeline one end to be connected on the first connecting pipeline between automatic regulating valve 15 and the second Emergeny Cutoff Valves 18 and the other end of the 4th connecting pipeline be connected to be positioned at the 4th Emergeny Cutoff Valves 13 outlet port the second connecting pipeline on;
Preferred described storage tank 3, supercharging vaporizer 4, vaporizer 5, heater 6 and knock out drum 7 are arranged in sled case 25, install to realize modularization, described sled case 25 has intake grill and suction opeing, the described the other end diffusing pipeline is arranged in exhaust column by suction opeing, and is connected to outside sled case 25.
Supercharging vaporizer 4 in this device, vaporizer 5, heater 6 can adopt water/glycol system 10 heat exchange.
Control air and be connected to solenoid valve box 9, provide the power of operation to each Emergeny Cutoff Valves by solenoid valve box 9.
The control procedure of this device is as follows:
Open the first Emergeny Cutoff Valves 19, LNG Liquefied natural gas LNG in storage tank 3 enters supercharging vaporizer 4 by the first connecting pipeline, natural gas via automatic pressure regulator 15, second Emergeny Cutoff Valves 18 to storage tank 3 top gas phase space after gasification, formed from pressurization system, maintain the liquid supply pressure in storage tank 3, when pressure exceedes setting value, automatic pressure regulator 15 starts action, automatically regulate aperture according to pressure, maintain storage tank 3 liquid supply pressure within the scope required.
Open the 3rd anxious cut-off valve 20, LNG in storage tank 3 enters vaporizer 5 by the second connecting pipeline, rock gas after gasification enters heater 6 and heats, rock gas after heating enters knock out drum 7 and carries out voltage stabilizing and carbonated drink separation, when temperature and pressure reach the requirement of motor gas, open the 4th anxious cut-off valve 13 to motor 1 air feed.
When storage tank 3 pressure exceedes certain value, open the second Emergeny Cutoff Valves 18 and the 5th Emergeny Cutoff Valves 21 and hand stop valve 22, gas in storage tank 3 directly enters heater 6 through the 3rd connecting pipeline and heats, when storage tank 3 pressure drop is to certain value, the second Emergeny Cutoff Valves 18, the 5th Emergeny Cutoff Valves 21 and hand stop valve 22 are closed.The unlatching of tank safety valve can be reduced so as far as possible, thus reduce the meaningless discharge of rock gas.
When engine cut-off, the gas in vaporizer is back to storage tank by the 5th Emergeny Cutoff Valves 21 and the second Emergeny Cutoff Valves 18, and raffinate is got back in storage tank by the 3rd Emergeny Cutoff Valves 20, causes escape of gas in order to avoid discharge from safety valve after boosting.
When the supply gas pressure of knock out drum 7 is too high, pressure regulator valve 14 and the second Emergeny Cutoff Valves 18 are opened, unnecessary natural gas via the 4th connecting pipeline and the second Emergeny Cutoff Valves 18 enter storage tank 3 gas-phase space, and when the supply gas pressure of knock out drum 7 drops to certain value, pressure regulator valve 14 cuts out.
The flow, temperature etc. of the heat transferring medium water/ethylene glycol solution of vaporizer 5, heater 6 provide signal to control system 8 by temperature transducer 11, pressure transducer 12 and automatically control, realize the automatic adjustment of evaporator evaporation amount, when engine operating condition changes and causes air feed demand to reduce, the flow of water/ethylene glycol solution reduces or temperature reduction makes hair device steam output reduce.
Supercharging vaporizer 4 is not only have traditional pressure of storage tank to maintain function, considers the gas consumption under engine low load operating mode during design, once after the vaporizer inefficacy of system, as vaporizer, employing be ensured that marine low speed goes back to port from supercharging vaporizer 4; The conveying of the heat medium in water/glycol system 10 is provided with stand-by power, and stand-by power can be electronic or pneumatic, once dynamic failure, can be substituted by stand-by power.
The utility model is above-mentioned is not limited to above-mentioned preferred forms, and anyone is in the identical or close technological scheme obtaining making under enlightenment of the present utility model, and these technological schemes improved all fall within protection domain of the present utility model.
Claims (2)
1. Liquefied Natural Gas fuel air supply unit, is characterized in that it comprises:
Loading system, described loading system comprises C type storage tank, on described storage tank gas-phase space position housing on have and fill mouth and gas returning port, the described mouth that fills is connected by the liquid phase Emergeny Cutoff Valves of liquid phase pipeline with gas station that liquid phase Emergeny Cutoff Valves is housed, described gas returning port is connected with gas station gas phase Emergeny Cutoff Valves by gas phase pipeline that gas phase Emergeny Cutoff Valves is housed, carries out filling operation by gas station;
From pressurization system, the described formation from pressurization system is: the first liquid-phase outlet opened on described storage tank liquid Space position housing connects the first Emergeny Cutoff Valves, supercharging vaporizer, automatic pressure regulator, the second Emergeny Cutoff Valves and tank top gas phase opening successively by the first connecting pipeline;
Engine air supply systems, the formation of described engine air supply systems is: the second liquid phase outlet of opening on described storage tank liquid Space position housing connects the 3rd Emergeny Cutoff Valves successively by the second connecting pipeline, vaporizer, hand stop valve, heater, pressure transducer, temperature transducer, knock out drum, 4th Emergeny Cutoff Valves and engine aspirating system are to motor air feed, described pressure transducer is connected with control system with temperature transducer, pipeline one end of diffusing that safety valve is housed is connected with the second connecting pipeline between described knock out drum and heater and the other end is communicated with air,
3rd connecting pipeline of the 5th Emergeny Cutoff Valves is housed, and the 3rd described connecting pipeline one end is connected on the first connecting pipeline between automatic regulating valve and the second Emergeny Cutoff Valves and the other end of the 3rd connecting pipeline is connected on the second connecting pipeline between hand stop valve and vaporizer;
4th connecting pipeline of pressure regulator valve is housed, the 4th described connecting pipeline one end to be connected on the first connecting pipeline between automatic regulating valve and the second Emergeny Cutoff Valves and the other end of the 4th connecting pipeline be connected to be positioned at the 4th Emergeny Cutoff Valves outlet port the second connecting pipeline on.
2. Liquefied Natural Gas fuel air supply unit according to claim 1, it is characterized in that: described storage tank, supercharging vaporizer, vaporizer, heater and knock out drum are arranged in sled case, described sled case has intake grill and suction opeing, the described the other end diffusing pipeline is arranged in exhaust column by suction opeing, and is connected to outside sled case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679421.7U CN204226056U (en) | 2014-11-11 | 2014-11-11 | Liquefied Natural Gas fuel air supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679421.7U CN204226056U (en) | 2014-11-11 | 2014-11-11 | Liquefied Natural Gas fuel air supply unit |
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| Publication Number | Publication Date |
|---|---|
| CN204226056U true CN204226056U (en) | 2015-03-25 |
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ID=52924160
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420679421.7U Active CN204226056U (en) | 2014-11-11 | 2014-11-11 | Liquefied Natural Gas fuel air supply unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863754A (en) * | 2015-04-27 | 2015-08-26 | 重庆耐德能源装备集成有限公司 | Shipborne power generation system |
| CN106640425A (en) * | 2015-11-02 | 2017-05-10 | 现代自动车株式会社 | Apparatus and method for charging lpg fuel vehicle |
| CN107883185A (en) * | 2017-07-04 | 2018-04-06 | 上海新奥新能源技术有限公司 | LNG feeders and its workflow, LNG air supply systems |
| CN108602433A (en) * | 2016-01-16 | 2018-09-28 | D·麦克尼克拉斯 | Compressed natural gas carrier security system and method |
| CN109506126A (en) * | 2018-11-30 | 2019-03-22 | 上海海威斯特保温工程有限公司 | A kind of re-liquefied fuel dispensing system of small-sized LNG fuel ship BOG |
| CN110145414A (en) * | 2019-03-28 | 2019-08-20 | 苏州索路迅新能源科技有限公司 | A kind of ship LNG fuel system |
| CN110145415A (en) * | 2019-03-28 | 2019-08-20 | 苏州索路迅新能源科技有限公司 | A kind of LNG Fuel Control System |
-
2014
- 2014-11-11 CN CN201420679421.7U patent/CN204226056U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863754A (en) * | 2015-04-27 | 2015-08-26 | 重庆耐德能源装备集成有限公司 | Shipborne power generation system |
| CN104863754B (en) * | 2015-04-27 | 2017-10-27 | 重庆耐德能源装备集成有限公司 | A kind of boat-carrying electricity generation system |
| CN106640425A (en) * | 2015-11-02 | 2017-05-10 | 现代自动车株式会社 | Apparatus and method for charging lpg fuel vehicle |
| CN106640425B (en) * | 2015-11-02 | 2020-05-19 | 现代自动车株式会社 | Apparatus and method for filling a liquefied petroleum gas fueled vehicle |
| CN108602433A (en) * | 2016-01-16 | 2018-09-28 | D·麦克尼克拉斯 | Compressed natural gas carrier security system and method |
| CN108602433B (en) * | 2016-01-16 | 2022-04-12 | D·麦克尼克拉斯 | Compressed natural gas carrier safety system and method |
| CN107883185A (en) * | 2017-07-04 | 2018-04-06 | 上海新奥新能源技术有限公司 | LNG feeders and its workflow, LNG air supply systems |
| CN109506126A (en) * | 2018-11-30 | 2019-03-22 | 上海海威斯特保温工程有限公司 | A kind of re-liquefied fuel dispensing system of small-sized LNG fuel ship BOG |
| CN110145414A (en) * | 2019-03-28 | 2019-08-20 | 苏州索路迅新能源科技有限公司 | A kind of ship LNG fuel system |
| CN110145415A (en) * | 2019-03-28 | 2019-08-20 | 苏州索路迅新能源科技有限公司 | A kind of LNG Fuel Control System |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Hai Yuan building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: HUBEI DEFENG HEAT EXCHANGER CO.,LTD. Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES-OIL PRODUCTION SERVICES Co. Address before: 100010 Hai Yuan building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: HUBEI DEFENG HEAT EXCHANGER CO.,LTD. Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES-OIL PRODUCTION SERVICES Co. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: HUBEI DIFENG SHIP TECHNOLOGY CO.,LTD. Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES-OIL PRODUCTION SERVICES Co. Address before: 100010 Hai Yuan building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: HUBEI DEFENG HEAT EXCHANGER CO.,LTD. Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES-OIL PRODUCTION SERVICES Co. |