CN105003328B - The combined power and cooling system that a kind of residual heat of tail gas of automobile is recycled - Google Patents
The combined power and cooling system that a kind of residual heat of tail gas of automobile is recycled Download PDFInfo
- Publication number
- CN105003328B CN105003328B CN201510430508.XA CN201510430508A CN105003328B CN 105003328 B CN105003328 B CN 105003328B CN 201510430508 A CN201510430508 A CN 201510430508A CN 105003328 B CN105003328 B CN 105003328B
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- refrigerating
- organic rankine
- tail gas
- automobile
- heat
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- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 238000005057 refrigeration Methods 0.000 claims abstract description 18
- 239000002918 waste heat Substances 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 238000011084 recovery Methods 0.000 claims abstract description 4
- 238000010248 power generation Methods 0.000 claims abstract description 3
- 239000003507 refrigerant Substances 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 description 7
- 238000003912 environmental pollution Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002912 waste gas Substances 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
-
- 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to the combined power and cooling system that a kind of residual heat of tail gas of automobile is recycled, to by the exhaust heat recovery power generation and refrigeration of vehicle exhaust, including：Organic Rankine device：By carrying out heat exchange with the tail gas that the blast pipe of automobile engine is discharged, the energy of waste heat from tail gas is obtained, and pass through the external mechanical work of cycle fluid；TRT：It is connected with organic Rankine device, the mechanical energy for obtaining machine Rankine device generates electricity；Refrigerating plant：It is connected with organic Rankine device, obtains the mechanical energy refrigeration of machine Rankine device；Regulation device：It is connected, according to payload the external mechanical work of organic Rankine device is controlled with organic Rankine device, TRT and refrigerating plant respectively；Cooling circuit：It is connected respectively with organic Rankine device and refrigerating plant, heat exchange is carried out with organic Rankine device and refrigerating plant.Compared with prior art, the present invention has the advantages that reduction pollution, energy-conservation, energy make full use of, reduce cost.
Description
Technical field
The present invention relates to engine tail gas waste-heat utilization technology field, returned more particularly, to a kind of residual heat of tail gas of automobile
Receive the combined power and cooling system utilized.
Background technology
With the improvement of people's living standards, car ownership is increasing, energy source of car consumption is in total energy consumption
Shared ratio more and more higher, the energy-conservation of automobile, emission-reduction technology have become one of theme of world today's automobile industry development,
Improving the utilization rate of motor vehicle fuel, reduction environmental pollution has important strategic importance in China.Especially for long-distance transport
Refrigerator car for, it is particularly important, be reduce engine consumption, reduce cost of transportation an important channel.
The engine of current automobile engine, especially heavy goods vehicle, can discharge a large amount of 400~600 DEG C of middle height
Warm tail gas, its capacity usage ratio is generally than relatively low, and research shows, engine transitions only account for fuel combustion for effective heat equivalent of work
30~45% (Diesel engines) or 20~30% (petrol engines) of caloric value, with cooling water heat, lubricating oil waste heat and
The forms such as exhaust heat are discharged into air.If this portion of energy can be recycled, to improving engine power
Utilization rate and reduction environmental pollution are significant.
Current most of refrigeration system for vehicle are to realize to freeze by engine driving compressor, and this mode needs to disappear
A certain amount of car engine mechanomotive force is consumed, oil consumption and waste gas discharge is added, the transport capacity of automobile is reduced, and may draw
Water tank overheat is played, automobile dynamic quality is influenceed.
If residual heat of tail gas of automobile can be recycled using suitable technology, electric energy and refrigerating capacity are provided for automobile, no
The problem of environmental pollution that exhaust emissions is caused is address only, automobile energy consumption has been saved, while eliminating traditional refrigeration system for vehicle
The problems such as vehicle dynamic quality brought is not enough, alleviates the burden of tail gas cooling system, has a wide range of applications to a certain extent
Prospect.
Chinese patent 101722835A discloses a kind of device for generating power by waste heat of tail gas of automobile, including front exhaust pipe, final vacuum
Pipe, heat exchanger, pump, condenser, expanding machine, generator, regulating circuit and car battery, front exhaust pipe are arranged with tail gas respectively
Put mouth and heat exchanger entrance connection, heel row tracheae is connected with heat exchanger outlet and outside air respectively, condenser inlet with
Expanding machine is connected with the outlet of pump, and the entrance of pump is connected with condenser, due to the device for generating power by waste heat of tail gas of automobile of this invention
Waste heat can be used for generating electricity, and heat utilization rate is low, it is impossible to meet the requirement of energy-conservation.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art presence and provides a kind of reduce and pollute, save
Energy, energy make full use of, reduced the combined power and cooling system that the residual heat of tail gas of automobile of cost is recycled.
The purpose of the present invention can be achieved through the following technical solutions：
The combined power and cooling system that a kind of residual heat of tail gas of automobile is recycled, to by the exhaust heat recovery power generation of vehicle exhaust and
Refrigeration, including：
Organic Rankine device：By carrying out heat exchange with the tail gas that the blast pipe of automobile engine is discharged, obtain more than tail gas
The energy of heat, and pass through the external mechanical work of cycle fluid；
TRT：It is connected with organic Rankine device, the mechanical energy for obtaining machine Rankine device generates electricity；
Refrigerating plant：It is connected with organic Rankine device, obtains the mechanical energy refrigeration of machine Rankine device；
Regulation device：It is connected respectively with organic Rankine device, TRT and refrigerating plant, according to TRT and generating
The payload of device is controlled to the external mechanical work of organic Rankine device；
Cooling circuit：It is connected, enters with organic Rankine device and refrigerating plant with organic Rankine device and refrigerating plant respectively
Row heat exchange.
Described organic Rankine device include ORC evaporators, regenerator, expanding machine, organic working medium pump, the first fluid reservoir and
First condenser, the organic working medium pipes of described ORC evaporators, expanding machine, the weary gas working medium tube of regenerator, the first condenser,
The weary high-pressure working medium pipe formation organic working medium loop of fluid reservoir, organic working medium pump and regenerator, described condenser is with cooling back
Road is connected.
Described TRT includes speed regulator, generator and automobile storage battery, described expanding machine, speed regulator, generating
Machine and automobile storage battery are sequentially connected.
Described refrigerating plant includes refrigerant loop, refrigerating heat exchanger and refrigerating medium loop, described expanding machine, refrigeration
Agent loop, refrigerating heat exchanger and refrigerating medium loop are sequentially connected.
Described refrigerant loop includes compressor, the second condenser, the second fluid reservoir and flow controller, described compression
Machine, the second condenser, the second fluid reservoir, flow controller and refrigerating heat exchanger formation loop, the second described condenser is with cooling back
Road is connected.
Described refrigerating medium loop includes refrigerating box and refrigerating medium circulating pump, cooling coil in described refrigerating box, carries
Refrigerant cycle pump and refrigerating heat exchanger formation loop.
Compared with prior art, the present invention has advantages below：
First, pollution, energy-conservation are reduced：The waste heat of automobile engine tail gas has been recycled, has reduced what exhaust emissions was caused
Problem of environmental pollution, while also mitigating the burden of vehicle exhaust cooling device.
2nd, energy makes full use of：The present invention can both drive the compressor of refrigeration system by the use of waste heat from tail gas as thermal source
Operation, cold is provided for equipment such as refrigerating boxes, and generator can be driven to produce electric energy and store again, is that the road conditions such as automobile acceleration are carried
For power, fuel consumption is reduced, it is to avoid the problems such as vehicle dynamic quality that traditional vehicle systems are brought is not enough, water tank is overheated.
3rd, cost is reduced：It can avoid causing engine power not enough due to providing power for refrigeration system, can be with
Fuel is saved, cost of transportation is reduced.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Wherein, 1, air, 2, automobile engine, 3, high temperature tail gas, 4, ORC evaporators, 5, cycle fluid, 6, expansion
Machine, 7, regenerator, the 8, first condenser, the 9, first fluid reservoir, 10, organic working medium pump, 11, cooling circuit, 12, automobile electric power storage
Pond, 13, generator, 14, arrangements for speed regulation, 15, regulation device, 16, cooling circuit, the 17, second condenser, the 18, second fluid reservoir,
19th, flow controller, 20, refrigerating heat exchanger, 21, kind of refrigeration cycle working medium, 22, compressor, 23, refrigerating medium, 24, refrigerating medium circulating pump,
25th, cooling coil, 26, refrigerating box.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment：
As shown in figure 1, the combined power and cooling system that a kind of residual heat of tail gas of automobile is recycled, to by the waste heat of vehicle exhaust
Reclaim and generate electricity and freeze, including：
Organic Rankine device：By carrying out heat exchange with the tail gas that the blast pipe of automobile engine 2 is discharged, obtain more than tail gas
The energy of heat, and pass through the external mechanical work of cycle fluid 5, including ORC evaporators 4, regenerator 7, expanding machine 6, organic working medium
Pump 10, the first fluid reservoir 9 and the first condenser 8, the organic working medium pipe of ORC evaporators 4, expanding machine 6, the weary gas work of regenerator 7
Matter pipe, the first condenser 8, fluid reservoir 9, the weary high-pressure working medium pipe formation organic working medium loop of organic working medium pump 10 and regenerator 7,
Condenser 8 is connected with cooling circuit.
TRT：It is connected with organic Rankine device, the mechanical energy for obtaining machine Rankine device generates electricity, including speed regulator 14,
Generator 13 and automobile storage battery 12, expanding machine 6, speed regulator 14, generator 13 and automobile storage battery 12 are sequentially connected；
Refrigerating plant：It is connected with organic Rankine device, obtains the mechanical energy refrigeration of machine Rankine device, including refrigerant is returned
Road, refrigerating heat exchanger 20 and refrigerating medium loop, expanding machine 6, refrigerant loop, refrigerating heat exchanger and refrigerating medium loop connect successively
Connect, refrigerant loop includes compressor 22, the second condenser 17, the second fluid reservoir 18 and flow controller 19, compressor 22, second is cold
Condenser 17, the second fluid reservoir 18, flow controller 19 and the formation of refrigerating heat exchanger 20 loop, the second condenser 17 connect with cooling circuit
Connect, refrigerating medium loop includes refrigerating box 26 and refrigerating medium circulating pump 24, cooling coil 25, refrigerating medium circulating pump in refrigerating box 26
24 and refrigerating heat exchanger 20 formation loop；
Cooling circuit：It is connected, enters with organic Rankine device and refrigerating plant with organic Rankine device and refrigerating plant respectively
Row heat exchange；
Regulation device 15：It is connected respectively with organic Rankine device, TRT and refrigerating plant, regulation device includes control
Device, change gear box and power sensor, power sensor are sent to by collect and process machine and the operation power of generator
Controller processing, controller carries out flow velocity and rotating speed according to the result after processing to change gear box, flow controller 19, speed regulator 14
Control, so as to be controlled according to TRT and TRT payload to the external mechanical work of organic Rankine device.
The operation principle of the present invention：
Outside air 1 enters automobile engine 2, occurs the high temperature tail gas that combustion reaction produces high pressure-temperature with fuel
3 provide power by automobile engine 2 to vehicle, while producing a large amount of 200-250 DEG C of high temperature tail gas 3, these high temperatures
Tail gas 3 heats the liquid organic working medium of the high pressure low temperature in ORC system by the ORC evaporators 4 in smokejack, into expanding machine
The external output mechanical energy of 6 expansion works drives the compressor 22 and generator 13 of refrigerating plant to run, from the row of expanding machine 6 after acting
The weary gas gone out, the high pressure low temperature working medium that will be first entered ORC evaporators 4 enters back into the first condenser 8 in the precooling of regenerator 7
In be condensed into the low-temp low-pressure liquid refrigerant with certain degree of supercooling into the first fluid reservoir 9, in subsequent first fluid reservoir 9
Working medium is pressurizeed through organic working medium pump 10 becomes the liquid refrigerant of high pressure low temperature, and the weary gas of expanded machine discharge is pre- in 7 kinds of regenerator
Enter the gas that ORC evaporators 4 are become HTHP by high temperature flue gas after heat, complete a circulation.
The expanding machine 6 of ORC system drives the compressor 22 and generator 13 of kind of refrigeration cycle to run simultaneously, and generator 13 is produced
Electric energy, be stored in automobile storage battery 12, be the common equipment of automobile and the current consuming apparatus such as pump of whole combined power and cooling system
Power supply provides power or power is provided when accelerating for automobile, and the fuel of reduction engine expends.
The mechanical energy exported using the expanding machine 6 of ORC system drives refrigeration system compressor 22 to run, and will have certain mistake
Become the refrigerant working medium of HTHP after the low pressure refrigerant working medium compression of temperature, into the second condenser 17, be condensed into
High pressure liquid refrigerant working medium with certain degree of supercooling, is stored into the second fluid reservoir 18, while in the second fluid reservoir 18
Refrigerant working medium becomes the refrigerant working medium of low pressure, into refrigerating heat exchanger by flow controllers 19 such as expansion valve or capillaries
20, in refrigerating heat exchanger 20, the evaporation of low pressure refrigerant working medium becomes the low of certain degree of superheat after absorbing the heat of refrigerating medium 23
Working medium is pressed, then is inhaled into compressor 22, a kind of refrigeration cycle is completed, while low temperature refrigerating medium 23 makes refrigerating box 26 into air-conditioner
Certain low temperature is maintained, the refrigeration requirements of goods are met.
This patent reclaims residual heat of tail gas of automobile using ORC system, while exporting electric energy and driving refrigeration system operation output
Cold energy, this not only realizes the heat recovery of vehicle exhaust, reduce to a certain extent tail gas cooling system burden and
The problem of environmental pollution that exhaust emissions is caused, and obtain the refrigeration of additional electrical energy and mounted refrigerating case, reduces it extra
Fuel consumption, realizes the purpose of energy-saving and emission-reduction and reduction cost of transportation.
Claims (5)
1. the combined power and cooling system that a kind of residual heat of tail gas of automobile is recycled, to by the exhaust heat recovery power generation and system of vehicle exhaust
It is cold, it is characterised in that including：
Organic Rankine device：By carrying out heat exchange with the tail gas that the blast pipe of automobile engine (2) is discharged, waste heat from tail gas is obtained
Energy, and by the external mechanical work of cycle fluid (5), described organic Rankine device includes ORC evaporators (4), backheat
Device (7), expanding machine (6), organic working medium pump (10), the first fluid reservoir (9) and the first condenser (8), described ORC evaporators
(4) it is organic working medium pipe, expanding machine (6), the weary gas working medium tube of regenerator (7), the first condenser (8), fluid reservoir (9), organic
The weary high-pressure working medium pipe formation organic working medium loop of working medium pump (10) and regenerator (7), described condenser (8) and cooling circuit
Connection；
TRT：It is connected with organic Rankine device, the mechanical energy for obtaining organic Rankine device generates electricity；
Refrigerating plant：It is connected with organic Rankine device, obtains the mechanical energy refrigeration of organic Rankine device；
Regulation device (15)：It is connected respectively with organic Rankine device, TRT and refrigerating plant, according to TRT and generating
The payload of device is controlled to the external mechanical work of organic Rankine device；
Cooling circuit：It is connected respectively with organic Rankine device and refrigerating plant, heat is carried out with organic Rankine device and refrigerating plant
Exchange.
2. the combined power and cooling system that a kind of residual heat of tail gas of automobile according to claim 1 is recycled, it is characterised in that institute
The TRT stated includes speed regulator (14), generator (13) and automobile storage battery (12), described expanding machine (6), speed regulator
(14), generator (13) and automobile storage battery (12) are sequentially connected.
3. the combined power and cooling system that a kind of residual heat of tail gas of automobile according to claim 1 is recycled, it is characterised in that institute
The refrigerating plant stated includes refrigerant loop, refrigerating heat exchanger (20) and refrigerating medium loop, described expanding machine (6), refrigerant
Loop, refrigerating heat exchanger and refrigerating medium loop are sequentially connected.
4. the combined power and cooling system that a kind of residual heat of tail gas of automobile according to claim 3 is recycled, it is characterised in that institute
The refrigerant loop stated includes compressor (22), the second condenser (17), the second fluid reservoir (18) and flow controller (19), described
Compressor (22), the second condenser (17), the second fluid reservoir (18), flow controller (19) and refrigerating heat exchanger (20) formation loop,
Described the second condenser (17) is connected with cooling circuit.
5. the combined power and cooling system that a kind of residual heat of tail gas of automobile according to claim 3 is recycled, it is characterised in that institute
The refrigerating medium loop stated includes the cooling coil in refrigerating box (26) and refrigerating medium circulating pump (24), described refrigerating box (26)
(25), refrigerating medium circulating pump (24) and refrigerating heat exchanger (20) formation loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430508.XA CN105003328B (en) | 2015-07-21 | 2015-07-21 | The combined power and cooling system that a kind of residual heat of tail gas of automobile is recycled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430508.XA CN105003328B (en) | 2015-07-21 | 2015-07-21 | The combined power and cooling system that a kind of residual heat of tail gas of automobile is recycled |
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| Publication Number | Publication Date |
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| CN105003328A CN105003328A (en) | 2015-10-28 |
| CN105003328B true CN105003328B (en) | 2017-07-11 |
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| CN201510430508.XA Expired - Fee Related CN105003328B (en) | 2015-07-21 | 2015-07-21 | The combined power and cooling system that a kind of residual heat of tail gas of automobile is recycled |
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| CN107364309B (en) * | 2017-08-22 | 2023-08-04 | 青岛大学 | Automobile exhaust waste heat recycling system |
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| CN108019260B (en) * | 2017-12-01 | 2020-05-15 | 河海大学常州校区 | Automobile exhaust waste heat recovery power generation system based on organic Rankine cycle |
| CN108638794B (en) * | 2018-06-19 | 2021-07-20 | 三峡大学 | Comprehensive system for utilizing waste heat of automobile exhaust |
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| CN112483205A (en) * | 2020-11-26 | 2021-03-12 | 天津大学 | Intelligent regulation's combined cooling heating and power system |
| CN112483206A (en) * | 2020-11-26 | 2021-03-12 | 天津大学 | Intelligent adjusting method for combined cooling heating and power system |
| CN112524480B (en) * | 2020-11-30 | 2022-07-19 | 攀钢集团攀枝花钢铁研究院有限公司 | CNG fills dress device based on organic rankine cycle |
| CN114734777A (en) * | 2022-04-07 | 2022-07-12 | 浙江大学 | High-efficient recovery system of tail gas waste heat energy based on refrigerator car |
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| CN105003328A (en) | 2015-10-28 |
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