CN105465925A - LNG power driven vessel multi-temperature air conditioner system and using method - Google Patents
LNG power driven vessel multi-temperature air conditioner system and using method Download PDFInfo
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- CN105465925A CN105465925A CN201510903736.4A CN201510903736A CN105465925A CN 105465925 A CN105465925 A CN 105465925A CN 201510903736 A CN201510903736 A CN 201510903736A CN 105465925 A CN105465925 A CN 105465925A
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- evaporimeter
- lng
- choke valve
- heat exchanger
- refrigerating medium
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/12—Heating; Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/12—Heating; Cooling
- B63J2002/125—Heating; Cooling making use of waste energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F2005/0025—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using heat exchange fluid storage tanks
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses an LNG power driven vessel multi-temperature air conditioner system and method. The system comprises an LNG gasification system, a multi-temperature refrigerating loop, an engine cylinder sleeve cooling water heating device, an automatic control device and the like. The method of the LNG power driven vessel multi-temperature air conditioner system comprises the steps that a refrigerating medium and liquefied natural gas are subject to heat exchange in an LNG heat exchanger, cold energy released in the LNG gasifying process is recycled, that is, LNG serves as an air conditioner cold source, the refrigerating medium is throttled to different steam pressures and enters different working cabin chambers to carry out evaporation and heat absorption, and then, multiple strands of refrigerating media are gathered to the same heating device to rise to a certain temperature; and the refrigerating media enter the LNG heat exchanger again to be subject to heat exchange, and a closed circulating system is formed. LNG cold energy is fully used for reducing the initial cost of a vessel air conditioner refrigerating unit; meanwhile, different requirements of different air conditioner areas for the temperature are met; and meanwhile, good economy and good environment protection are achieved.
Description
Technical field
The present invention relates to LNG cold energy recycle technical field, specifically a kind of how warm air-conditioning system of LNG Power Vessel and method.
Background technology
Boats and ships are as a kind of important vehicles, significant to socio-economic development.Tradition ship power system mainly relies on boat diesel engine to provide power, but in diesel engine, the burning of heavy oil produces large quantity of exhaust gas and particle, pollutes larger.Along with the proposition of " green ship " concept and the progress of natural gas engine machine technology, be that the engine of fuel is loaded on boats and ships with natural gas.
In ship's navigation, the change of navigating area, weather causes the change of indoor temperature in ship, and in order to ensure the comfortableness of boats and ships, marine air conditioning is widely used.Tradition marine air conditioning adopts vapour compression refrigeration, and power consumption is large, and marine vessel power is provided by marine generator, and the acquisition essence of marine vessel power consumes a large amount of fossil fuels.Therefore traditional marine air conditioning does not have economic environmental protection characteristic.
LNG Power Vessel, using LNG as the fuel of engine of boat and ship.In usual LNG storage tank, LNG temperature is-162 DEG C, and the intake air temperature of natural gas engine is environment temperature (10 DEG C ~ 40 DEG C).Research shows that the cold that LNG gasification discharges is 830kJ/kg, and wherein latent heat is 515kJ/kg, and sensible heat is 315kJ/kg, and cold is considerable.
Different ship's spaces, according to the difference of its function, need set different indoor temperatures.Such as marine vehicle cool house, common living room, attic cabin (as driver's cabin) that solar radiation quantity is large all need to set different cabin temperature.Present stage boats and ships to realize how warm air-conditioning system usual way be adopt many cover vapor compression refrigeration systems to control separately each functional cabin, so just bring that input cost is large, take up room the problem such as large.
Therefore, need a kind of new technical scheme to solve the problem.
Summary of the invention
The present invention is to solve the above-mentioned defect that prior art exists, its objective is: the how warm air-conditioning system of a kind of LNG cold energy of design, solve LNG Power Vessel difference in functionality cabin to the practical problem of different temperatures demand, the how warm air-conditioning system of this LNG cold energy not only makes full use of LNG cold energy, and temperature setting can be carried out according to difference in functionality cabin temperature demand, improve the applicability of LNG cold energy air-conditioning.
For solving above-mentioned technical problem, the technical scheme that the how warm air-conditioning system of LNG Power Vessel of the present invention adopts is:
The how warm air-conditioning system of a kind of LNG Power Vessel, comprise LNG fluid reservoir, connect the regenerator of the LNG heat exchanger of LNG fluid reservoir, the current divider connecting LNG heat exchanger, evaporator bank, junction station, connection junction station, this regenerator returns connection LNG heat exchanger makes LNG heat exchanger, current divider, evaporator bank, junction station, regenerator form loop; Wherein, evaporator bank comprises the first evaporimeter, the second evaporimeter, the 3rd evaporimeter, and the first evaporimeter, the second evaporimeter, the 3rd evaporimeter adopt parallel way be installed between current divider and junction station; There is in LNG heat exchanger low temperature refrigerating medium and low temperature refrigerating medium enters current divider under the effect of circulating pump, carry out the distribution of refrigerating medium; Choke valve before the front end of described first evaporimeter is provided with first, choke valve after the rear end of the first evaporimeter is provided with first; Choke valve before the front end of described second evaporimeter is provided with second, choke valve after the rear end of the second evaporimeter is provided with second; Choke valve before the front end of the 3rd evaporimeter is provided with the 3rd, the rear end of the 3rd evaporimeter is not directly connected to junction station by choke valve.
And the technical scheme of the using method of the how warm air-conditioning system of above-mentioned LNG Power Vessel is: refrigerating medium in LNG heat exchanger with liquefied natural gas heat exchange, reclaim the cold energy of LNG gasification release, by refrigerating medium by entering the first evaporimeter after choke valve throttling to three kind of evaporating pressure before choke valve, the 3rd before choke valve, second before first respectively, the second evaporimeter, the 3rd evaporimeter carry out evaporation endothermic, then three strands of refrigerating mediums enter the heat exchange of LNG heat exchanger after converging and heating up in regenerator again, form closed circulation system; Wherein, carry out second throttle by choke valve after the first rear choke valve and second to the first evaporimeter, the second evaporimeter, throttling is to identical with the 3rd evaporator pressure.
Compared with background technology, the effect that the present invention has is: owing to adopting choke valve to carry out throttling cooling, therefore according to the different demands of ship's space to temperature, can regulate manually or automatically, thus improve the applicability of the how warm air-conditioning system of LNG Power Vessel.The present invention makes full use of LNG cold energy, decreases the initial cost of marine air conditioning refrigeration unit, meets the different demands of different air conditioning area to temperature simultaneously, has good economy and the feature of environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the how warm air-conditioning system of LNG Power Vessel of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
As shown in Figure 1, the present invention discloses the how warm air-conditioning system of a kind of LNG Power Vessel, comprise LNG fluid reservoir 1, connect the regenerator 5 of the LNG heat exchanger 2 of LNG fluid reservoir 1, the current divider 8 connecting LNG heat exchanger 2, evaporator bank, junction station 6, connection junction station, this regenerator returns connection LNG heat exchanger 2 makes LNG heat exchanger 2, current divider 8, evaporator bank, junction station, regenerator form loop; Wherein, evaporator bank comprises the first evaporimeter 3, second evaporimeter 4, the 3rd evaporimeter 7, and the first evaporimeter 3, second evaporimeter 4, the 3rd evaporimeter 7 adopt parallel way to be installed between current divider 8 and junction station 6;
There is in LNG heat exchanger 2 low temperature refrigerating medium and low temperature refrigerating medium enters current divider 8 under the effect of circulating pump 9, carry out the distribution of refrigerating medium; Described low temperature refrigerating medium is phase transformation refrigerating medium, comprises R404a, R134a, ammoniacal liquor etc.
Choke valve V1-1 before the front end of described first evaporimeter 3 is provided with first, choke valve V1-2 after the rear end of the first evaporimeter is provided with first; Choke valve V2-1 before 4 front ends of described second evaporimeter are provided with second, choke valve V2-2 after the rear end of the second evaporimeter 4 is provided with second; Choke valve V3 before the front end of the 3rd evaporimeter 7 is provided with the 3rd, the rear end of the 3rd evaporimeter 7 is not directly connected to junction station 6 by choke valve.Engine of boat and ship jacket-cooling water is wherein utilized to heat the refrigerating medium after evaporation endothermic.And a kind of embodiment in described evaporator bank is, the evaporating temperature of the 3rd evaporimeter 7 is minimum, the evaporating temperature of the first evaporimeter 3 is the highest, and the evaporating temperature of the second evaporimeter 4 is between the evaporating temperature and the evaporating temperature of the first evaporimeter 3 of the 3rd evaporimeter 7.Therefore different evaporimeters can be placed in different cabins the different temperatures formed in different cabin.
The using method of the how warm air-conditioning system of this LNG Power Vessel is, refrigerating medium in LNG heat exchanger with liquefied natural gas heat exchange, reclaim the cold energy of LNG gasification release, by refrigerating medium by entering the first evaporimeter 3, second evaporimeter 4 respectively after choke valve joint V3 flow to three kinds of evaporating pressures before choke valve V2-1, the 3rd before choke valve V1-1, second before first, the 3rd evaporimeter 7 carries out evaporation endothermic, then three strands of refrigerating mediums enter LNG heat exchanger 2 heat exchange after converging and heating up in regenerator 5 again, form closed circulation system; Wherein, carry out second throttle by choke valve V2-2 after the first rear choke valve V1-2 and second to the first evaporimeter 3, second evaporimeter 5, throttling is to identical with the 3rd evaporimeter 7 pressure.
Claims (5)
1. the how warm air-conditioning system of LNG Power Vessel, it is characterized in that, comprise LNG fluid reservoir (1), connect the regenerator (5) of the LNG heat exchanger (2) of LNG fluid reservoir (1), the current divider (8) connecting LNG heat exchanger (2), evaporator bank, junction station (6), connection junction station, this regenerator returns connection LNG heat exchanger (2) makes LNG heat exchanger (2), current divider (8), evaporator bank, junction station, regenerator form loop;
Wherein, evaporator bank comprises the first evaporimeter (3), the second evaporimeter (4), the 3rd evaporimeter (7), and the first evaporimeter (3), the second evaporimeter (4), the 3rd evaporimeter (7) adopt parallel way be installed between current divider (8) and junction station (6);
In LNG heat exchanger (2), there is low temperature refrigerating medium and low temperature refrigerating medium enters current divider (8) under the effect of circulating pump (9), carry out the distribution of refrigerating medium;
Choke valve (V1-1) before the front end of described first evaporimeter (3) is provided with first, choke valve (V1-2) after the rear end of the first evaporimeter is provided with first; Choke valve (V2-1) before (4) front end of described second evaporimeter is provided with second, choke valve (V2-2) after the rear end of the second evaporimeter (4) is provided with second; Choke valve (V3) before the front end of the 3rd evaporimeter (7) is provided with the 3rd, the rear end of the 3rd evaporimeter (7) is not directly connected to junction station (6) by choke valve.
2. the how warm air-conditioning system of LNG Power Vessel as described in claim 1, is characterized in that: utilize engine of boat and ship jacket-cooling water to heat the refrigerating medium after evaporation endothermic.
3. the how warm air-conditioning system of LNG Power Vessel as described in claim 1, it is characterized in that: evaporator bank, the evaporating temperature of the 3rd evaporimeter (7) is minimum, the evaporating temperature of the first evaporimeter (3) is the highest, between the evaporating temperature that the evaporating temperature of the second evaporimeter (4) is positioned at the 3rd evaporimeter (7) and the evaporating temperature of the first evaporimeter (3).
4. the how warm air-conditioning system of LNG Power Vessel as described in claim 3, is characterized in that: described low temperature refrigerating medium is phase transformation refrigerating medium, comprises R404a or R134a or ammoniacal liquor.
5. the using method of the how warm air-conditioning system of LNG Power Vessel according to any one of Claims 1-4, it is characterized in that: refrigerating medium in LNG heat exchanger with liquefied natural gas heat exchange, reclaim the cold energy of LNG gasification release, choke valve (V1-1) before refrigerating medium is passed through first, choke valve (V2-1) before second, the first evaporimeter (3) is entered respectively after choke valve (V3) throttling to three kind of evaporating pressure before 3rd, second evaporimeter (4), 3rd evaporimeter (7) carries out evaporation endothermic, then three strands of refrigerating mediums enter the heat exchange of LNG heat exchanger after converging and heating up in regenerator again, form closed circulation system, wherein, carry out second throttle by choke valve after the first rear choke valve and second to the first evaporimeter, the second evaporimeter, throttling is to identical with the 3rd evaporator pressure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903736.4A CN105465925A (en) | 2015-12-09 | 2015-12-09 | LNG power driven vessel multi-temperature air conditioner system and using method |
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| CN201510903736.4A CN105465925A (en) | 2015-12-09 | 2015-12-09 | LNG power driven vessel multi-temperature air conditioner system and using method |
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| CN105465925A true CN105465925A (en) | 2016-04-06 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560129A (en) * | 2017-08-31 | 2018-01-09 | 中国能源建设集团广东省电力设计研究院有限公司 | Heated by natural gas and air conditioner refrigerating coupled system and method |
| CN109339884A (en) * | 2018-11-01 | 2019-02-15 | 西南石油大学 | A kind of LNG satellite station cold energy efficiently utilizes technique |
| CN109356681A (en) * | 2018-11-01 | 2019-02-19 | 西南石油大学 | A kind of LNG satellite station combined power and cooling technique |
| CN109539626A (en) * | 2018-11-15 | 2019-03-29 | 浙江海洋大学 | LNG cold energy utilization device |
| CN110155295A (en) * | 2019-04-16 | 2019-08-23 | 中国船舶及海洋工程设计研究院（中国船舶工业集团公司第七0八研究所） | A kind of cabin for boat air conditioning zoning control system and its control method |
| CN111425974A (en) * | 2020-04-02 | 2020-07-17 | 新兴能源装备股份有限公司 | L NG cold energy utilization device and process thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560129A (en) * | 2017-08-31 | 2018-01-09 | 中国能源建设集团广东省电力设计研究院有限公司 | Heated by natural gas and air conditioner refrigerating coupled system and method |
| CN107560129B (en) * | 2017-08-31 | 2020-04-21 | 中国能源建设集团广东省电力设计研究院有限公司 | Natural gas heating and air conditioner refrigeration coupling system and method |
| CN109339884A (en) * | 2018-11-01 | 2019-02-15 | 西南石油大学 | A kind of LNG satellite station cold energy efficiently utilizes technique |
| CN109356681A (en) * | 2018-11-01 | 2019-02-19 | 西南石油大学 | A kind of LNG satellite station combined power and cooling technique |
| CN109539626A (en) * | 2018-11-15 | 2019-03-29 | 浙江海洋大学 | LNG cold energy utilization device |
| CN110155295A (en) * | 2019-04-16 | 2019-08-23 | 中国船舶及海洋工程设计研究院（中国船舶工业集团公司第七0八研究所） | A kind of cabin for boat air conditioning zoning control system and its control method |
| CN111425974A (en) * | 2020-04-02 | 2020-07-17 | 新兴能源装备股份有限公司 | L NG cold energy utilization device and process thereof |
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Application publication date: 20160406 |