CN203824151U - LNG (liquefied natural gas) cold energy utilization device of LNG power driving vessel - Google Patents
LNG (liquefied natural gas) cold energy utilization device of LNG power driving vessel Download PDFInfo
- Publication number
- CN203824151U CN203824151U CN201420183474.XU CN201420183474U CN203824151U CN 203824151 U CN203824151 U CN 203824151U CN 201420183474 U CN201420183474 U CN 201420183474U CN 203824151 U CN203824151 U CN 203824151U
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- CN
- China
- Prior art keywords
- cold energy
- lng
- heat exchanger
- natural gas
- loop
- 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.)
- Expired - Lifetime
Links
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 61
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003345 natural gas Substances 0.000 claims abstract description 16
- 239000002828 fuel tank Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 22
- 239000000567 combustion gas Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000002737 fuel gas Substances 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 11
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000002309 gasification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses an LNG (liquefied natural gas) cold energy utilization device of an LNG power driving vessel, which comprises a fuel tank for storing liquefied natural gas, wherein a natural gas output pipeline on the fuel tank sequentially passes through a first heat exchanger and a second heat exchanger and then is connected with the fuel gas inlet of an engine; the first heat exchanger, a first heat medium storage box and a cold energy release device are sequentially connected end to end through a pipeline to form a first cold energy utilization loop; the second heat exchanger, an engine cooling water sleeve and a second heat medium storage box are sequentially connected end to end through a pipeline to form a second cold energy release loop; circulating pumps for flowing the heat media in the loops are arranged in the first cold energy utilization loop and the second cold energy release loop. The LNG cold energy utilization device can fully utilize the cold energy of the liquefied natural gas on the LNG power driving vessel, reduces electric energy consumption on the vessel, reduces the operational cost, and plays the roles of energy conservation and environmental protection.
Description
Technical field
The utility model relates to the LNG cold energy utilization device of LNG powered ship.
Background technology
LNG powered ship, usings natural gas as power-equipment fuel, have advantages of pollution less, have good burning performance, fuel cost, good economy performance.Its gas fuel is stored in the high-pressure bottle on ship with the form of liquefaction, and temperature is extremely low, contains a large amount of cold energy.At present, the cold energy of liquefied natural gas (LNG) is not carried out utilization, LNG is before entering engine combustion, the cooling water of use engine is heated and is vaporized into gas at normal temperature, and LNG cold energy reenters engine cool water system after being taken away by hot water, make LNG cold energy fail to be fully used.
On the other hand, boats and ships are operation at sea for a long time, often need to configure the refrigeration plants such as freezer, refrigerator, freezing and refrigeration fishing cabin, air-conditioning, and these refrigeration plants, in order to obtain low temperature, need to consume a large amount of Ship Power Stations and send electric energy for being converted to cold energy.If can add in utilization and above-mentioned refrigeration plant gas fuel powered ship LNG cold energy, will solve to a certain extent this part energy demand, improve economy and the feature of environmental protection of boats and ships.
Utility model content
The purpose of this utility model is to provide a kind of LNG cold energy utilization device that can make full use of the LNG powered ship of LNG cold energy, to reduce the energy resource consumption of refrigeration plant on ship, the economy of ship-lifting and the feature of environmental protection.
The LNG cold energy utilization device of a kind of LNG powered ship described in the utility model, comprise the fuel tank that stores liquefied natural gas, natural gas output channel in fuel tank is connected with the combustion gas input port of engine after the second heat exchanger through the first heat exchanger successively, the first heat exchanger, the first heating agent storage bin, cold energy releasing device is end-to-end successively and is formed the first cold energy use loop by pipeline, the second heat exchanger, engine cooling water jacket, the second heating agent storage bin is end-to-end successively and is formed the second cold energy Releasing loop by pipeline, in the first cold energy use loop and the second cold energy Releasing loop, be respectively provided with to drive the circulating pump of heating agent in loop.
Boats and ships cold energy of liquefied natural gas use device described in the utility model, the natural gas that the liquefied natural gas in fuel tank is converted into gasification after the first heat exchanger and the second heat exchanger release cold energy is for engine.Heating agent in the first cold energy use loop in the first heating agent storage bin attracts the cold energy of LNG under the driving of circulating pump from the first heat exchanger, and cold energy is discharged and is used by cold energy releasing device; Heating agent in the second cold energy Releasing loop in the second heating agent storage bin carries out heat exchange with LNG under the driving of circulating pump from the second heat exchanger, absorb the cold energy of LNG, enter afterwards exhaust pipe of engine cooling jacket, in exhaust pipe of engine cooling jacket, discharge cold energy.By the first heat exchanger and the second heat exchanger, the cold energy of liquefied natural gas is carried out to twice absorption, can guarantee liquefied natural gas to be converted into the gasification natural gas that engine can directly utilize on the one hand, the cold energy of liquefied natural gas fully can be absorbed on the other hand.
Accompanying drawing explanation
Fig. 1 is LNG cold energy utilization device structural representation Fig. 1 of the utility model LNG powered ship.
Fig. 2 is LNG cold energy utilization device structural representation Fig. 2 of the utility model LNG powered ship.
The specific embodiment
The LNG cold energy utilization device of a kind of LNG powered ship as shown in Figure 1, comprise the fuel tank 1 that stores liquefied natural gas, natural gas output channel in fuel tank 1 is connected with the combustion gas input port of engine 4 after the second heat exchanger 3 through the first heat exchanger 2 successively, the first heat exchanger 2, the first heating agent storage bin 6, cold energy releasing device radiator 5 is end-to-end successively and is formed the first cold energy use loop by pipeline, the second heat exchanger 3, exhaust pipe of engine cooling jacket 7, the second heating agent storage bin 8 is end-to-end successively and is formed second and discharge and utilize loop by pipeline, the first cold energy use loop is provided with the circulating pump 9 in order to the heating agent that flows between the first heat exchanger 2 and the first heating agent storage bin 6, the second cold energy Releasing loop is provided with equally the circulating pump in order to the heating agent that flows between the second heat exchanger 3 and the second heating agent storage bin 8.
Described cold energy releasing device can be the radiator in the refrigeration plant such as refrigeration, freezing room, air-conditioning, refrigerator that is placed in boats and ships.The LNG of inflow radiator absorbs the heat in refrigeration, freezing room, air-conditioning, refrigerator by radiator, discharges cold energy.
Described cold energy releasing device also can be with boats and ships on refrigeration plant in the refrigerant heat exchanger that carries out heat exchange.The LNG of inflow heat exchanger carries out heat exchange by the refrigerant with refrigeration plant, absorbs the heat of refrigerant, to refrigerant, discharges cold energy.
Heating agent in the first cold energy use loop in the first heating agent storage bin attracts the cold energy of liquefied natural gas under the driving of circulating pump from the first heat exchanger, and cold energy is delivered in the radiator in freezing and refrigeration fishing cabin and is used.Heating agent in the second cold energy Releasing loop in the second heating agent storage bin attracts the cold energy of liquefied natural gas under the driving of circulating pump from the second heat exchanger, and cold energy is discharged into exhaust pipe of engine cooling jacket.
As shown in Figure 2, on the natural gas output channel between the second heat exchanger and the combustion gas input port of engine machine, be provided with regulator 10, regulator can be pressure regulator valve, by pressure regulator valve, to being input to pressure and the flow of the natural gas before engine, regulate, to ensure, can stably provide the natural gas of suitable pressure and flow to engine.
On natural gas output channel between the combustion gas input port of the second heat exchanger and engine machine, be provided with hygrosensor 11, hygrosensor can be temperature sensor, can carry out Real-Time Monitoring to the temperature of the natural gas on pipeline.
In addition, between the first heat exchanger in the first cold energy use loop and the first heating agent storage bin, in pipeline, be provided with combustible gas probe 12, between the second heat exchanger in the second cold energy Releasing loop and the second heating agent storage bin, in pipeline, be provided with equally combustible gas probe.By combustible gas probe, concentration of natural gas in the first cold energy use loop and the second cold energy Releasing loop is carried out to Real-Time Monitoring, if there is natural gas leakage, can send in time early warning, improve the security of the LNG cold energy utilization device of LNG powered ship.
Claims (6)
1. the LNG cold energy utilization device of a LNG powered ship, it is characterized in that: comprise the fuel tank that stores liquefied natural gas, natural gas output channel in fuel tank is connected with the combustion gas input port of engine after the second heat exchanger through the first heat exchanger successively, the first heat exchanger, the first heating agent storage bin, cold energy releasing device is end-to-end successively and is formed the first cold energy use loop by pipeline, the second heat exchanger, exhaust pipe of engine cooling jacket, the second heating agent storage bin is end-to-end successively and is formed the second cold energy Releasing loop by pipeline, in the first cold energy use loop and the second cold energy Releasing loop, be respectively provided with the circulating pump in order to heating agent in flow circuits.
2. the LNG cold energy utilization device of a kind of LNG powered ship according to claim 1, is characterized in that: on the natural gas output channel between the second heat exchanger and the combustion gas input port of engine machine, be provided with regulator.
3. the LNG cold energy utilization device of a kind of LNG powered ship according to claim 1, is characterized in that: on the natural gas output channel between the second heat exchanger and the combustion gas input port of engine machine, be provided with hygrosensor.
4. the LNG cold energy utilization device of a kind of LNG powered ship according to claim 1, is characterized in that: in the first cold energy use loop and the second cold energy Releasing loop, be respectively provided with combustible gas probe.
5. the LNG cold energy utilization device of a kind of LNG powered ship according to claim 1, is characterized in that: described cold energy releasing device is radiator.
6. the LNG cold energy utilization device of a kind of LNG powered ship according to claim 1, is characterized in that: described cold energy releasing device is heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420183474.XU CN203824151U (en) | 2014-04-16 | 2014-04-16 | LNG (liquefied natural gas) cold energy utilization device of LNG power driving vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420183474.XU CN203824151U (en) | 2014-04-16 | 2014-04-16 | LNG (liquefied natural gas) cold energy utilization device of LNG power driving vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824151U true CN203824151U (en) | 2014-09-10 |
Family
ID=51479637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420183474.XU Expired - Lifetime CN203824151U (en) | 2014-04-16 | 2014-04-16 | LNG (liquefied natural gas) cold energy utilization device of LNG power driving vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712905A (en) * | 2015-04-10 | 2015-06-17 | 武汉金惠科技有限公司 | LNG (liquefied natural gas) cold energy release and gas supply system for powered fishing craft |
| CN106482414A (en) * | 2016-12-01 | 2017-03-08 | 浙江海洋大学 | One kind is used for fishing boat power LNG cold energy stair device |
| CN114687891A (en) * | 2022-03-04 | 2022-07-01 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Ship LNG (liquefied Natural gas) gasification system |
-
2014
- 2014-04-16 CN CN201420183474.XU patent/CN203824151U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712905A (en) * | 2015-04-10 | 2015-06-17 | 武汉金惠科技有限公司 | LNG (liquefied natural gas) cold energy release and gas supply system for powered fishing craft |
| CN106482414A (en) * | 2016-12-01 | 2017-03-08 | 浙江海洋大学 | One kind is used for fishing boat power LNG cold energy stair device |
| CN114687891A (en) * | 2022-03-04 | 2022-07-01 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Ship LNG (liquefied Natural gas) gasification system |
| CN114687891B (en) * | 2022-03-04 | 2024-02-23 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Ship LNG gasification 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: 510250 No. 126, innovation road, Guangdong, Guangzhou Patentee after: GUANGZHOU SHIPBUILDING AND OCEAN ENGINEERING DESIGN Research Institute (THE 605TH RESEARCH INSTITUTE OF CHINA STATE SHIPBUILDING Corp.,Ltd.) Address before: 510250 No. 126, innovation road, Guangdong, Guangzhou Patentee before: GUANGZHOU MARINE ENGINEERING Corp. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510250 No. 126, innovation road, Guangdong, Guangzhou Patentee after: Guangzhou Ship and Ocean Engineering Design and Research Institute (the 65th Research Institute of China State Shipbuilding Corporation Corp.) Address before: 510250 No. 126, innovation road, Guangdong, Guangzhou Patentee before: GUANGZHOU SHIPBUILDING AND OCEAN ENGINEERING DESIGN Research Institute (THE 605TH RESEARCH INSTITUTE OF CHINA STATE SHIPBUILDING Corp.,Ltd.) |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |