CN205311285U - On -vehicle cold energy utilization air conditioner condenser cooling device of LNG passenger train - Google Patents
On -vehicle cold energy utilization air conditioner condenser cooling device of LNG passenger train Download PDFInfo
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- CN205311285U CN205311285U CN201620047539.7U CN201620047539U CN205311285U CN 205311285 U CN205311285 U CN 205311285U CN 201620047539 U CN201620047539 U CN 201620047539U CN 205311285 U CN205311285 U CN 205311285U
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- lng
- vaporizer
- cold energy
- engine
- secondary refrigerant
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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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- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The utility model discloses an on -vehicle cold energy utilization air conditioner condenser cooling device of LNG passenger train, including LNG steel bottle, vaporizer, condenser, engine and controller, the LNG steel bottle is connected with the vaporizer through the pipeline, the vaporizer is connected in circulating pump, engine respectively, the circulating pump is connected with cooler bin, heat exchanger respectively through first solenoid valve, second solenoid valve, be equipped with circulation pipeline between heat exchanger and the engine, the controller is connected with circulating pump, first solenoid valve, second solenoid valve respectively. The utility model discloses retrieve the cold energy of LNG vaporization process, reduced the required fan energy consumption of condenser heat dissipation, played energy saving and consumption reduction, high -efficient use of energy's effect, effectively alleviated ambient pressure, just the utility model discloses simple structure, technology are succinct, convenient to popularize and use.
Description
Technical field
The present invention relates to the technical field of air conditioning condenser for vehicle equipment, it is specifically related to a kind of LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit.
Background technology
The Sweet natural gas energy cleaning as one, efficient, its utilization is significant to China's prevention and control of air pollution. In recent years, China's natural gas consumption fast growth, LNG(LiquefiedNaturalGas) as the liquid form of Sweet natural gas, Sweet natural gas through purifying treatment, be cooled to below-162 DEG C time the liquid that formed, there is the handiness adding Sweet natural gas accumulating and utilization in it, expands the range of application of Sweet natural gas.
Nearly 2 years, LNG became the bright spot of Gas Industry development in the utilization of field of traffic. The efficient gas utilization project such as LNG automobile and marine fuel is clearly encouraged in country's natural gas development " 12 " planning, and gasfueled vehicles are also classified as " first developing class " by October, 2012 new edition " gas utilization policy ". Under the support of national policy, multiple local government public transport field carry out bus, taxi " oil to gas " and propose hard objectives. LNG achieves fast development as vehicle fuel.
LNG advantages for development in the automotive industry are clearly: point of ignition is low, combustion cleaning environmental protection, without black cigarette, without lime-ash and tar, almost can freely discharge, and volume is little, and energy storage density is big, more than 2 times of continuous operating range normally CNG; Safety performance is good, pressure store low (close to normal pressure), and density (0.45kg/m3), lower than density of air (0.55kg/m3), leaks into and also to aerial diffusion, can not affect personnel safety in air; Having good burning performance, anti-knocking property are strong. At present, China LNG automobile industry is in the early stage of development, it is contemplated that the fast growth of following China automobile pollution and the fast development of market for natural gas will drive LNG automobile industry to continue to increase, and LNG automobile developing prospect is bright.
Facility and the power current consumption of producing 1 ton of natural gas liquids are about 850kW h, and in LNG receiving station, the a large amount of cold released during LNG vaporization, its value is about 830-860kJ/kg, LNG vaporization process is with the release of a large amount of cold energ, and the cold that 1 ton of LNG can utilize in theory through heat exchange vaporization is about 230kw h.But under normal circumstances, this part cold has been rejected usually in LNG vaporization device, not only causes a large amount of energy dissipations, even also can affect the eubiosis in marine site, local, cause cold pollution. Reclaim this part cold energy, not only effectively make use of the energy, and decrease a large amount of power consumptions of mechanical refrigeration, there is considerable economic and social profit. For this reason, LNG cold energy use causes the extensive concern of Chinese scholars.
LNG cold energy use is generally divided into directly utilization and indirect utilization two kinds of modes. Wherein, direct utilization mainly concentrates on low-temperature electricity-generating, air separation, manufacture dry ice, lighter hydrocarbons separation, superfreeze, sea water desaltination, automative air conditioning and the aspect such as cold temperature culture, cultivation, indirect utilization mainly produces liquid nitrogen or liquid oxygen by LNG cold energy, and recycling liquid nitrogen, liquid oxygen carry out pulverize at low temperature, low-temperature biological engineering, sewage disposal etc. respectively. At present, LNG cold energy recovery technology obtains the extensive concern of national governments and enterprise, and whole world Large LNG receiving station progressively increases, and LNG enters the high speed development stage, and this is that the fast development of LNG cold energy use technology provides possibility.
The LNG cold energy use technology of Japan is taken its place in the front ranks of the world, and its low-temperature electricity-generating, air separation, liquid carbon dioxide and dry ice manufacture and low temperature freezer technology are all reached advanced world standards, and LNG cold energy use rate is about 20% ~ 30%. China LNG cold energy use technology is started late, and develops still immature, and overall producing level is not high. CNOOC is as the leading enterprise of China's LNG cold energy use, achieve major progress in the multinomial technical field such as cold energy sky point, freezing rubber powder, isoprene-isobutylene rubber at present, cold energy air separation facility is put into commercial operation, the projects such as freezing rubber powder and isoprene-isobutylene rubber have also entered the substantive propulsion phase of industrial application, there is abundant cold energy project construction service experience, in international type of industry, possess certain competitive power. PetroChina Company Limited. and China Petrochemical Industry also stepping up research and development LNG cold energy use technology, have certain newcoming advantage at present. In coming few decades, development LNG cold energy use technology is significant to the comprehensive utilization of China's energy.
Automobile industry, as the important mainstay industry of national economy, is the significant industry embodying national competitiveness. The research and development of automobile system core power-saving technology and key part thereof are the key breakthrough points of automobile industry reply energy security, climate change and structure updating problem. On May 24th, 2014, practise closely putting down and emphasize when Shanghai automobile group investigates, the only way of development new-energy automobile to be China from automobile superpower march toward automobile power, strengthen research and development capabilities, conscientiously study market, by handy policy alive, exploitation adapts to the product of various demand, makes it to become a staggering growth point. The singularity of LNG passenger vehicle is, needs to become normal temperature fuel to enter engine combustion low-temperature liquefaction natural gas gasifying on the one hand, and air-conditioning condenser needs outwards heat radiation to there is cold requirement on the other hand. Therefore, research and develop LNG passenger coach load cold energy use air-conditioning condenser cooling system to have important practical significance. According to calculating, the enough condenser heat radiations of this cold use. Therefore, for LNG passenger vehicle is equipped with LNG cold energy use condenser cooling system, there are significant realistic meaning and wide market outlook.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit, its can ensure LNG normally vaporize provisioning engine run well basis on, carry out without phase transformation Cooling capacity exchanging, supply take LNG as the coach air conditioner condenser heat dissipation problem of fuel, can effectively reduce working cost simultaneously, there is energy-conservation very significantly and environment protecting.
The technical scheme of the present invention is: a kind of LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit draws together LNG steel cylinder, vaporizer, condenser, engine and controller, and described LNG steel cylinder is connected with vaporizer by pipeline; Vaporizer is connected respectively at recycle pump, engine; Recycle pump is connected with cooling tank, interchanger respectively by the first magnetic valve, the 2nd magnetic valve; It is provided with circulation line between described interchanger and engine; Described controller is connected with recycle pump, the first magnetic valve, the 2nd magnetic valve respectively.
Being provided with secondary refrigerant in described vaporizer, the LNG in LNG steel cylinder enters engine after secondary refrigerant heat exchange is vaporized.
Described vaporizer is provided with liquid vessel.
Described liquid vessel top is provided with inlet, bottom is provided with alarm.
Described cooling tank is provided with secondary refrigerant.
Described secondary refrigerant is the secondary refrigerant of low temperature without phase-change heat-exchange refrigerating.
Useful effect:
Vaporizer in the present invention adopts low temperature to carry out cold energy extraction without the secondary refrigerant of phase-change heat-exchange refrigerating, instead of the mode that traditional condenser adopts fan radiating, save the energy consumption driving blower fan running, capacity usage ratio height, serve energy-saving and cost-reducing, the effect reduced costs. The controller of the present invention is by regulating secondary refrigerant flow to the control of recycle pump, magnetic valve, thus ensure that passenger vehicle is under acceleration or idling mode, and it is stable that condenser cooling tank runs. Therefore, present invention achieves the recycling of the front cold of LNG passenger vehicle fuel vaporization in order to on-board air conditioner condenser refrigerating unit. And present configuration is simple, concise in technology, only need to install a vaporizer on the original fuel conduit of LNG passenger vehicle additional, install the cooling that a cooling tank just can realize condenser additional, be convenient to promote the use of outside condenser.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
Embodiment
Describe the present invention below in conjunction with accompanying drawing and concrete enforcement, but not as limiting to the invention.
A kind of LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit, as shown in Figure 1, comprises LNG steel cylinder, vaporizer, condenser, engine and controller. LNG steel cylinder 1 is connected with vaporizer 2 by pipeline, is provided with secondary refrigerant 3 in vaporizer 2, and secondary refrigerant 3 is the secondary refrigerant of low temperature without phase-change heat-exchange refrigerating, and namely secondary refrigerant 3 flows in pipeline always in fluid form in pipeline. Vaporizer 2 is provided with liquid vessel 5, and liquid vessel 5 is arranged on the position flat together with the high point of whole system pipeline. Liquid vessel 5 top is provided with inlet 4, and bottom is provided with alarm 6. Alarm 6 carries out warning reminding time lower for liquid vessel 5 liquid level. During system worked well, it is filled with secondary refrigerant 3 by the inlet 4 of liquid vessel 5 to whole device. Meanwhile, alarm 6 can make liquid vessel 5 be kept above certain liquid level of low liquid level, thus ensure the sufficient supplies of whole system secondary refrigerant 3 and do not carry air, the secondary refrigerant 3 in heat transfer process also can be avoided to expand simultaneously. Vaporizer 2 is connected with engine 12 by pipeline. LNG in LNG steel cylinder 1 enters in vaporizer 2 via pipeline under pressure, and LNG vaporizes in vaporizer 2 with after secondary refrigerant 3 heat exchange, then enters engine 12, for engine 23 provides fuel.
Decrease in temperature after secondary refrigerant in vaporizer 23 and LNG heat exchange, enters recycle pump 7. Recycle pump 7 is connected with cooling tank 14, interchanger 11 respectively by the first magnetic valve 8, the 2nd magnetic valve 9, and cooling tank 14, interchanger 11 are connected with vaporizer 2 by pipeline respectively.Namely the secondary refrigerant 3 that recycle pump 7 is got flow to the first magnetic valve 8 by the road, enters in cooling tank 14 through the first magnetic valve 8, after carrying out Cooling capacity exchanging with condenser, flows back to vaporizer 2 by the road. The secondary refrigerant 3 that recycle pump 7 is got flow to the 2nd magnetic valve 9 by the road, enters in interchanger 11 through the 2nd magnetic valve 9, carries out thermal exchange with the hot water carrying out water jacket in since engine 12, and then pipeline flows back to vaporizer 2. Namely the secondary refrigerant 3 in vaporizer 2 enters after recycle pump 7 provides power in cooling tank 14, interchanger 11 and carries out heat exchange, and then returns vaporizer 2. Vaporizer 2 forms circulation loop with cooling tank 14, interchanger 11 respectively, thus carries out heat exchange.
It is provided with circulation loop between interchanger 11 and engine 12. Being the hot water in engine 12 with the fluid of secondary refrigerant 3 heat exchange flowed through in interchanger 11, hot water flows to engine 12 by the road, flows back to interchanger 11 through another pipeline from engine 12. Namely the hot water of engine 12 is carried out thermal exchange by the secondary refrigerant 3 in interchanger 11.
If secondary refrigerant 3 temperature is too low, the aperture of the 2nd magnetic valve 9 is regulated by controller 10, part secondary refrigerant 3 is allowed to enter in interchanger 11 by the road, thermal exchange is carried out with the high temperature hot water carrying out since engine 12, hot water after heat exchange flows back in engine 12 water jacket through another pipeline again, thus improving the temperature of secondary refrigerant 3 in interchanger 11, the secondary refrigerant 3 after heat exchange flows back to vaporizer 2 by the road again, it is to increase the temperature of secondary refrigerant 3 in vaporizer 2. Meanwhile, cooling tank 14 is released cold after secondary refrigerant 3 return vaporizer 2 by the road, thus the phenomenon regulating secondary refrigerant 3 temperature too low.
Therefore, controller 10 by regulating the flow of secondary refrigerant 3 to the control of recycle pump, magnetic valve, thus ensure that passenger vehicle is in the stability accelerated or under idling mode, condenser cooling tank runs, and its structure is simple, concise in technology, only need to install a vaporizer on the original fuel conduit of LNG passenger vehicle additional, install the cooling that a cooling tank just can realize condenser outside condenser additional, be convenient to promote the use of.
Secondary refrigerant 3 is that low temperature is without phase-change heat-exchange secondary refrigerant, it may also be useful to this device adopts without phase-change heat-exchange technology, and secondary refrigerant 3 and LNG carry out without phase-change heat-exchange, instead of the mode that tradition visitor's vehicle fan carries out condenser heat radiation. This device efficient recovery cold energy of LNG, saves fan operation energy consumption, simultaneously the aspect such as energy-saving and emission-reduction, environment protection is also significant.
The above; it is only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, any it is familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. a LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit, it is characterized in that comprising LNG steel cylinder (1), vaporizer (2), condenser (13), engine (12) and controller (10), described LNG steel cylinder (1) is connected with vaporizer (2) by pipeline; Vaporizer (2) is connected respectively at recycle pump (7), engine (12); Recycle pump (7) is connected with cooling tank (14), interchanger (11) respectively by the first magnetic valve (8), the 2nd magnetic valve (9); It is provided with circulation line between described interchanger (11) and engine (12);Described controller (10) is connected with recycle pump (7), the first magnetic valve (8), the 2nd magnetic valve (9) respectively.
2. LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit according to claim 1, it is characterized in that, being provided with secondary refrigerant (3) in described vaporizer (2), the LNG in LNG steel cylinder (1) enters engine (12) after secondary refrigerant (3) heat exchange is vaporized.
3. LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit according to claim 2, it is characterised in that, described vaporizer (2) is provided with liquid vessel (5).
4. LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit according to claim 3, it is characterised in that, described liquid vessel (5) top is provided with inlet (4), and bottom is provided with alarm (6).
5. LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit according to claim 1, it is characterised in that, described recycle pump (7), the first magnetic valve (8), the 2nd magnetic valve (9) are connected with controller (10) respectively.
6. LNG passenger coach load cold energy use air-conditioning condenser refrigerating unit according to claim 2, it is characterised in that, described secondary refrigerant (3) is for low temperature is without phase-change heat-exchange secondary refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047539.7U CN205311285U (en) | 2016-01-19 | 2016-01-19 | On -vehicle cold energy utilization air conditioner condenser cooling device of LNG passenger train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047539.7U CN205311285U (en) | 2016-01-19 | 2016-01-19 | On -vehicle cold energy utilization air conditioner condenser cooling device of LNG passenger train |
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| Publication Number | Publication Date |
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| CN205311285U true CN205311285U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620047539.7U Expired - Fee Related CN205311285U (en) | 2016-01-19 | 2016-01-19 | On -vehicle cold energy utilization air conditioner condenser cooling device of LNG passenger train |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672418A (en) * | 2017-08-03 | 2018-02-09 | 丹阳市利旺车辆部件有限公司 | A kind of unpowered mounted air conditioner system |
| CN108819667A (en) * | 2018-06-28 | 2018-11-16 | 中原工学院 | A kind of LNG cold energy is coupled with solar energy utilizes hvac system |
| CN109915284A (en) * | 2019-03-20 | 2019-06-21 | 江苏科技大学 | A kind of self-cleaning LNG engine is for exhaust apparatus and working method |
| US10596881B2 (en) | 2015-02-12 | 2020-03-24 | Carrier Corporation | Chiller for refrigeration system |
-
2016
- 2016-01-19 CN CN201620047539.7U patent/CN205311285U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10596881B2 (en) | 2015-02-12 | 2020-03-24 | Carrier Corporation | Chiller for refrigeration system |
| CN107672418A (en) * | 2017-08-03 | 2018-02-09 | 丹阳市利旺车辆部件有限公司 | A kind of unpowered mounted air conditioner system |
| CN108819667A (en) * | 2018-06-28 | 2018-11-16 | 中原工学院 | A kind of LNG cold energy is coupled with solar energy utilizes hvac system |
| CN109915284A (en) * | 2019-03-20 | 2019-06-21 | 江苏科技大学 | A kind of self-cleaning LNG engine is for exhaust apparatus and working method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20180119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |