CN211116210U - Organic Rankine cycle engine cooling system for utilizing waste heat of automobile exhaust - Google Patents
Organic Rankine cycle engine cooling system for utilizing waste heat of automobile exhaust Download PDFInfo
- Publication number
- CN211116210U CN211116210U CN201921649633.XU CN201921649633U CN211116210U CN 211116210 U CN211116210 U CN 211116210U CN 201921649633 U CN201921649633 U CN 201921649633U CN 211116210 U CN211116210 U CN 211116210U
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- China
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- liquid storage
- working medium
- condenser
- turbo expander
- heat exchanger
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- 239000002918 waste heat Substances 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 238000001704 evaporation Methods 0.000 claims abstract description 27
- 230000008020 evaporation Effects 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical group FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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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
- Y02T10/12—Improving ICE efficiencies
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses an organic rankine cycle engine cooling system of automobile exhaust waste heat utilization, including evaporation heat exchanger, turbo expander, condenser, liquid storage pot, working medium pump and water pump, the liquid storage pot is used for storing organic heat transfer working medium, the play liquid end of liquid storage pot is through the pipeline intercommunication working medium pump in order, evaporation heat exchanger and turbo expander, carry out the heat-work conversion through turbo expander, the endless working medium finally flows back to in the liquid storage pot through the pipeline, the pipeline outside between turbo expander and liquid storage pot is equipped with the condenser, condenser and liquid storage pot connecting tube install the condenser choke valve, connecting tube between liquid storage pot and the working medium pump installs the liquid storage pot choke valve, connecting tube between working medium pump and the evaporation heat exchanger installs the working medium pump throttle valve, connecting tube between evaporation heat exchanger and turbo expander installs the turbo expander throttle valve, the turbine expander is connected with the water pump through a rod piece.
Description
The technical field is as follows:
the utility model relates to an organic rankine cycle engine cooling system of automobile exhaust waste heat utilization, it belongs to automobile exhaust waste heat recovery field.
Background art:
petroleum is a non-renewable fossil energy source, and with the increasing sales of automobile output, the consumption of petroleum resources is also increasing day by day, and the problem of energy conservation and emission reduction of automobiles is more and more emphasized. Effective recycling of waste gas waste heat and improvement of energy utilization efficiency are important methods for realizing energy conservation and emission reduction.
From the heat balance of the current internal combustion engine for the vehicle, the power for power output only accounts for 30% of the total heat of fuel combustion, and the rest energy is discharged in the form of high-temperature waste gas, so that a great deal of energy waste is caused. If the part of energy can be recycled, the method has important significance for improving the utilization rate of the fuel oil energy.
The utility model has the following contents:
the utility model relates to a solve the problem that above-mentioned prior art exists and provide an organic rankine cycle engine cooling system of automobile exhaust waste heat utilization, its is rational in infrastructure, and waste heat recovery is more abundant.
The utility model discloses the technical scheme who adopts has: the utility model provides an organic rankine cycle engine cooling system of automobile exhaust waste heat utilization, includes evaporation heat exchanger, turbo expander, condenser, liquid storage pot, working medium pump and water pump, the liquid storage pot is used for saving organic heat transfer working medium, the play liquid end of liquid storage pot has working medium pump, evaporation heat exchanger and turbo expander through the pipeline intercommunication in order, carries out the heat-work conversion through turbo expander, and the endless working medium finally flows back to in the liquid storage pot through the pipeline, the condenser is equipped with in the pipeline outside between turbo expander and the liquid storage pot, condenser and liquid storage pot connecting tube install the condenser choke valve, connecting tube installs the liquid storage pot choke valve between liquid storage pot and the working medium pump, working medium pump throttle valve is installed to the connecting tube between working medium pump and the evaporation heat exchanger, the evaporation heat exchanger choke valve is installed to the connecting tube between evaporation heat exchanger, the connecting pipeline between the turbo expander and the condenser is provided with a turbo expander throttle valve, and the turbo expander is connected with the water pump through a rod piece.
Further, the organic heat exchange working medium is pentafluoropropane.
Further, the condenser adopts an air-cooled condenser.
The utility model discloses following beneficial effect has:
(1) the liquid storage tank is used for storing heat exchange working media, the working medium pump is used for compressing organic heat exchange working media to form high-pressure fluid to complete circulation, the evaporation heat exchanger is used for carrying out heat exchange, and the turbo expander is used for converting waste heat energy of waste gas into mechanical energy and applying work to the water pump.
(2) The condenser is used for reducing the temperature of the heat exchange working medium at the liquid return end of the liquid storage tank, so that sufficient temperature difference can be guaranteed in the circulation process of the organic heat exchange working medium, heat exchange can be carried out, the condenser adopts an air-cooled condenser, the circulating heat exchange working medium is cooled by air, and extra energy is not consumed and extra space is not occupied.
(3) A liquid storage tank throttle valve of a connecting pipeline between the liquid storage tank and the working medium pump is used for adjusting the pressure between the liquid outlet end of the liquid storage tank and the working medium pump;
(4) a working medium pump throttle valve of the connecting pipeline between the working medium pump and the evaporation heat exchanger, which is used for adjusting the pressure of the organic working medium entering the evaporation heat exchanger;
(5) the throttle valve of the evaporation heat exchanger is connected with the pipeline between the evaporation heat exchanger and the turboexpander and used for adjusting the pressure of working medium entering the turboexpander;
(6) a turboexpander throttle valve of the connecting pipeline between the turboexpander and the condenser, for regulating the pressure of the working medium entering the condenser;
(7) a condenser throttle valve of the pipeline is connected between the condenser and the liquid storage tank and is used for adjusting the pressure between the reflux end of the liquid storage tank and the condenser;
(8) the turbine expander is directly connected with the water pump through the rod piece, so that the intermediate transmission link is reduced, and the conversion efficiency from heat energy to mechanical energy is ensured.
Description of the drawings:
fig. 1 is the structure schematic diagram of the organic rankine cycle engine cooling system for utilizing waste heat of automobile exhaust.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings.
The utility model discloses automobile exhaust waste heat utilization organic rankine cycle engine cooling system, including evaporation heat exchanger 1, turboexpander 2, condenser 3, liquid storage pot 4, working medium pump 5 and water pump 6, wherein liquid storage pot 4 is used for saving organic heat transfer medium, and the play liquid end of this liquid storage pot communicates in order through the pipeline has working medium pump 5, evaporation heat exchanger 1 and turboexpander 2, carries out the heat work conversion through turboexpander 2, and endless working medium finally flows back to in the liquid storage pot 4 through the pipeline. The condenser 3 is arranged on the outer side of the pipeline between the turboexpander 2 and the liquid storage tank 4, the condenser 3 is used for condensing organic heat exchange working media which flow back in a condenser pipeline, the condenser 3 adopts an air-cooled condenser, and a condenser throttle valve 10 is arranged on a connecting pipeline between the condenser 3 and the liquid storage tank 4. A liquid storage tank throttle valve 11 is arranged on a connecting pipeline between the liquid storage tank 4 and the working medium pump 5. A working medium pump throttle valve 7 is arranged on a connecting pipeline between the working medium pump 5 and the evaporation heat exchanger 1. An evaporation heat exchanger throttle valve 8 is arranged on a connecting pipeline between the evaporation heat exchanger 1 and the turboexpander 2. A turbo-expander throttle valve 9 is installed in a connecting pipeline between the turbo-expander 2 and the condenser 3. The turboexpander 2 is connected with the water pump 6 through a rod.
The utility model discloses well evaporative heat exchanger 1 links to each other with the pre-silencer (not shown) outside. The organic working medium is pentafluoropropane.
The utility model discloses automobile exhaust waste heat utilization organic Rankine cycle engine cooling system's working method as follows:
(1) when the device works, the heat exchange working medium flows out from the liquid outlet end of the liquid storage tank 4, the liquid storage tank throttle valve 11 arranged at the liquid outlet end of the liquid storage tank 4 is used for adjusting the pressure of the organic heat exchange working medium, and the heat exchange working medium is compressed by the working medium pump after passing through the liquid storage tank throttle valve 11;
(2) the compressed organic heat exchange working medium is regulated to proper pressure through a working medium pump throttle valve 7 and then enters the evaporation heat exchanger 1 to exchange heat with tail gas;
(3) the heated working medium is regulated to proper pressure through the throttle valve 8 of the evaporation heat exchanger, the organic heat exchange working medium with the pressure regulated by the throttle valve 8 of the evaporation heat exchanger enters the turbo expander 2 to push the turbine blades of the turbo expander 2, so that the turbine blades of the turbo expander 2 rotate to generate mechanical kinetic energy, the mechanical energy is transmitted to the water pump 6 through a rod piece connected with the water pump 6 of the turbo expander 2, and the organic heat exchange working medium after passing through the turbo expander 2 passes through the throttle valve 9 of the turbo expander and is regulated to proper pressure by the throttle valve 9 of the turbo expander and then flows to the condenser 3;
(4) the organic heat exchange working medium is condensed in the air-cooled condenser 3, then flows to the condenser throttle valve 10, is adjusted to a proper pressure through the condenser throttle valve 10, and then flows to the liquid storage tank 4, so that the organic Rankine cycle is completed.
The utility model discloses organic rankine cycle engine cooling system of automobile exhaust waste heat utilization forms a complete waste heat utilization system through liquid storage pot 4, working medium, evaporation heat exchanger 1 and turboexpander 2 to through the choke valve, control each partial pressure, form a rational in infrastructure, the organic rankine cycle engine cooling system is used in the automobile exhaust waste heat recovery that heat-work conversion efficiency is high.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides an organic rankine cycle engine cooling system of automobile exhaust waste heat utilization which characterized in that: comprises an evaporation heat exchanger (1), a turbo expander (2), a condenser (3), a liquid storage tank (4), a working medium pump (5) and a water pump (6), wherein the liquid storage tank (4) is used for storing organic heat exchange working medium, the liquid outlet end of the liquid storage tank is sequentially communicated with the working medium pump (5), the evaporation heat exchanger (1) and the turbo expander (2) through pipelines, heat power conversion is carried out through the turbo expander (2), the circulating working medium finally flows back to the liquid storage tank (4) through the pipelines, the condenser (3) is arranged at the outer side of the pipeline between the turbo expander (2) and the liquid storage tank (4), a condenser throttle valve (10) is arranged on the connecting pipeline between the condenser (3) and the liquid storage tank (4), a liquid storage tank throttle valve (11) is arranged on the connecting pipeline between the liquid storage tank (4) and the working medium pump (5), and a working medium pump throttle valve (7) is arranged on the, an evaporation heat exchanger throttling valve (8) is installed on a connecting pipeline between the evaporation heat exchanger (1) and the turbo expander (2), a turbo expander throttling valve (9) is installed on a connecting pipeline between the turbo expander (2) and the condenser (3), and the turbo expander (2) is connected with the water pump (6) through a rod piece.
2. The organic Rankine cycle engine cooling system for utilizing waste heat of automobile exhaust according to claim 1, wherein: the organic heat exchange working medium is pentafluoropropane.
3. The organic Rankine cycle engine cooling system for utilizing waste heat of automobile exhaust according to claim 1, wherein: the condenser (3) adopts an air-cooled condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921649633.XU CN211116210U (en) | 2019-09-30 | 2019-09-30 | Organic Rankine cycle engine cooling system for utilizing waste heat of automobile exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921649633.XU CN211116210U (en) | 2019-09-30 | 2019-09-30 | Organic Rankine cycle engine cooling system for utilizing waste heat of automobile exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211116210U true CN211116210U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921649633.XU Active CN211116210U (en) | 2019-09-30 | 2019-09-30 | Organic Rankine cycle engine cooling system for utilizing waste heat of automobile exhaust |
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| CN (1) | CN211116210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617133A (en) * | 2019-09-30 | 2019-12-27 | 南京航空航天大学 | Organic Rankine cycle engine cooling system for utilizing waste heat of automobile exhaust |
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2019
- 2019-09-30 CN CN201921649633.XU patent/CN211116210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617133A (en) * | 2019-09-30 | 2019-12-27 | 南京航空航天大学 | Organic Rankine cycle engine cooling system for utilizing waste heat of automobile exhaust |
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