CN108561241A - A kind of electricity generation system utilized based on afterheat of IC engine - Google Patents
A kind of electricity generation system utilized based on afterheat of IC engine Download PDFInfo
- Publication number
- CN108561241A CN108561241A CN201810022577.0A CN201810022577A CN108561241A CN 108561241 A CN108561241 A CN 108561241A CN 201810022577 A CN201810022577 A CN 201810022577A CN 108561241 A CN108561241 A CN 108561241A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- entrance
- level
- outlet
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
- F02G5/04—Profiting from waste heat of exhaust gases in combination with other waste heat from combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/065—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle the combustion taking place in an internal combustion piston engine, e.g. a diesel engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
-
- 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
Abstract
The invention discloses a kind of electricity generation systems based on afterheat of IC engine comprehensive utilization.Using mixed-pressure turbine, the higher I. C. engine exhaust of temperature is first by heat-conductive water cycle and first evaporator, and organic working medium of the heating after cooling water of internal combustion engine preheating is at high-temperature high-pressure state, into mixed-pressure turbine expansion work；The waste heat of the lower I. C. engine exhaust of temperature and first evaporator outlet heat-conductive water after once exchanging heat, then recycled by second level evaporator, one the other organic working medium of heating after cooling water of internal combustion engine preheating, driving mixed-pressure turbine acting.The present invention is by being added heat-conductive water cycle, the problem of capable of preventing high-temperature exhaust air from being decomposed with organic working medium caused by organic working medium direct heat transfer, it ensure that the stable operation of afterheat of IC engine driving Organic Rankine Cycle, and realize energy cascade utilization, I. C. engine exhaust and cooling water heat are more made full use of, energy utilization rate is improved.
Description
Technical field
The invention belongs to the recycling of middle low temperature heat energy and field of dynamic engineering, more particularly to a kind of to be utilized based on afterheat of IC engine
Electricity generation system.
Background technology
For the utilization of I. C. engine exhaust and cooling water heat, the organic rankine cycle system with preheating is in preheater and steaming
There are the unmatched problems of flow in hair device, i.e. working medium flow is that the smaller value of flow is calculated in the two, and passes through preheater
Often working medium flow is calculated much larger than evaporator heat exchange amount in the flow that heat exchange amount is calculated, therefore there are cooling water heats
The problem of cannot being fully utilized；It can solve the problems, such as that flow is unmatched using double pressure Organic Rankine Cycles, and can subtract
Few evaporation process irreversible loss, but since I. C. engine exhaust temperature is higher, and organic working medium is met high temperature and is easily decomposed, in addition,
I. C. engine exhaust after once exchanging heat still contains higher heat, need to further be recycled to it.
Invention content
The purpose of the present invention is to provide a kind of electricity generation systems utilized based on afterheat of IC engine, to solve the above problems.
To achieve the above object, the present invention uses following technical scheme：
In a kind of electricity generation system utilized based on afterheat of IC engine, including first order I. C. engine exhaust heat exchanger, the second level
Combustion engine exhaust gas heat exchanger, first evaporator, second level evaporator, mixed-pressure turbine, condenser and preheater；First evaporator
There are two outlet and two entrances with second level evaporator；The first outlet and second level I. C. engine exhaust of second level evaporator
It is connected by pipeline between the entrance of heat exchanger, the pipeline of second level I. C. engine exhaust heat exchanger exit is divided into two-way, connects all the way
The entrance of first order I. C. engine exhaust heat exchanger is connect, another way is connected to the first entrance of second level evaporator；First order internal combustion
The outlet of machine exhaust gas heat exchanger is connected to the first entrance of first evaporator, the first outlet of first evaporator by pipeline
It is connected to the first entrance of second level evaporator；It is connected by pipeline between the outlet and pre-heater inlet of condenser；Preheater
The pipeline of outlet is divided into two-way, connects the second entrance of first evaporator all the way, and another way connects the of second level evaporator
Two entrances；The second outlet of first evaporator and second level evaporator is connected to the entrance of mixed-pressure turbine by pipeline；It is double
The outlet of pressure turbine is connected to the entrance of condenser.
Further, mixed-pressure turbine is connected with generator.
Further, it is connected on the inlet branch pipeline of first order I. C. engine exhaust heat exchanger and is provided with first throttle
Valve；It is provided with second throttle on pipeline between the second outlet and mixed-pressure turbine of first evaporator；It is connected to the second level
Third throttle valve is provided in the bypass line of the second entrance of evaporator；It is connected to the branch of the second entrance of first evaporator
The 4th throttle valve is provided on the pipeline of road.
Further, it is set on the pipeline between the first outlet of second level evaporator and second level I. C. engine exhaust heat exchanger
It is equipped with the first booster pump；The second booster pump is provided on pipeline between condensator outlet and pre-heater inlet；Third throttle valve
Third booster pump is provided between the second entrance of second level evaporator；The second of 4th throttle valve and first evaporator enters
It is provided with the 4th booster pump between mouthful.
Compared with prior art, the present invention has following technique effect：
The present invention uses mixed-pressure turbine, the higher I. C. engine exhaust of temperature to be evaporated first by heat-conductive water cycle and the first order
Device, organic working medium of the heating after cooling water of internal combustion engine preheating is at high-temperature high-pressure state, into mixed-pressure turbine expansion work；
The waste heat of the lower I. C. engine exhaust of temperature and first evaporator outlet heat-conductive water after once exchanging heat, then pass through the
Secondary evaporimeter is recycled, one the other organic working medium of heating after cooling water of internal combustion engine preheating drives double pressures saturating
Flat acting.Exhaust heat of internal combustion engine and cooling water heat is more fully utilized in the present invention, reduces the irreversible damage of system
It loses, improves cycle energy utilization rate.
The present invention pass through between I. C. engine exhaust and evaporator increase heat-conductive water cycle, it is therefore prevented that high-temperature exhaust air with it is organic
The problem of organic working medium caused by working medium direct heat transfer is decomposed, ensure that afterheat of IC engine driving Organic Rankine Cycle stablizes fortune
Row.
Description of the drawings
Fig. 1 is present system schematic diagram；
Wherein：1, first order I. C. engine exhaust heat exchanger；2, second level I. C. engine exhaust heat exchanger；3, first throttle valve；
4, first evaporator；5, second level evaporator；6, the first booster pump；7, second throttle；8, mixed-pressure turbine；9, generator；
10, condenser；11, the second booster pump；12, preheater；13, third throttle valve；14, third booster pump；15, the 4th throttle valve；
16, the 4th booster pump IV.
Specific implementation mode
Below in conjunction with attached drawing, the present invention is further described：
Referring to Fig. 1, a kind of electricity generation system utilized based on afterheat of IC engine, including first order I. C. engine exhaust heat exchanger
1, second level I. C. engine exhaust heat exchanger 2, first evaporator 4, second level evaporator 5, mixed-pressure turbine 8, condenser 10 and pre-
Hot device 12；There are two outlet and two entrances for first evaporator 4 and second level evaporator 5；The first of second level evaporator 5
It is connected by pipeline between outlet and the entrance of second level I. C. engine exhaust heat exchanger 2, second level I. C. engine exhaust heat exchanger 2 goes out
The pipeline of mouth is divided into two-way, connects the entrance of first order I. C. engine exhaust heat exchanger 1 all the way, and another way is connected to second level evaporation
The first entrance of device 5；The outlet of first order I. C. engine exhaust heat exchanger 1 is connected to the first of first evaporator 4 by pipeline
Entrance, the first outlet of first evaporator 4 are connected to the first entrance of second level evaporator 5；The outlet of condenser 10 and pre-
It is connected by pipeline between 12 entrance of hot device；The pipeline that preheater 12 exports is divided into two-way, connects first evaporator 4 all the way
Second entrance, another way connect the second entrance of second level evaporator 5；The second of first evaporator 4 and second level evaporator 5
Outlet is connected to the entrance of mixed-pressure turbine 8 by pipeline；The outlet of mixed-pressure turbine 8 is connected to the entrance of condenser 10.
Mixed-pressure turbine 8 is connected with generator 9.
It is connected on the inlet branch pipeline of first order I. C. engine exhaust heat exchanger 1 and is provided with first throttle valve 3；The first order
It is provided with second throttle 7 on pipeline between the second outlet and mixed-pressure turbine 8 of evaporator 4；It is connected to second level evaporator 5
Second entrance bypass line on be provided with third throttle valve 13；It is connected to the branch of the second entrance of first evaporator 4
The 4th throttle valve 15 is provided on pipeline.
Is provided on pipeline between the first outlet and second level I. C. engine exhaust heat exchanger 2 of second level evaporator 5
One booster pump 6；Condenser 10 exports and is provided with the second booster pump 11 on the pipeline between 12 entrance of preheater；Third throttle valve
Third booster pump 14 is provided between 13 and the second entrance of second level evaporator 5；4th throttle valve 15 and first evaporator 4
Second entrance between be provided with the 4th booster pump 16.
For the present invention using I. C. engine exhaust and cooling water as heat source, which is divided into two circuits.First circuit is heat conduction
Water loop first passes around second level I. C. engine exhaust heat exchanger 2 and passes through once by 6 heat-conductive water after supercharged of the first booster pump
It is divided into two strands after the lower I. C. engine exhaust heat exchange of temperature after heat exchange, one enters first order I. C. engine exhaust heat exchanger 1, inhales
The higher initial exhaust heat of internal combustion engine of shrinkage temperature, becomes high-temperature heat-conductive water, and it is high to discharge heat drive into first evaporator 4
Press Organic Rankine Cycle；In addition one comes out with first evaporator 4 enters second level evaporator 5 after hot water mixes, driving is low
Organic Rankine Cycle is pressed, the first booster pump 6 is finally entered and completes cycle.Second circuit is double pressure Organic Rankine Cycles, organic
Working medium enters after condenser 10 is condensed into liquid, is pressurized into preheater 12 by the second booster pump 11 and is changed with cooling water of internal combustion engine
Heat, the organic working medium after preheating are divided into two strands, one enters the second level after the supercharging of third booster pump III 14 and evaporates
Device 5, is heated as into saturation or superheat state enters mixed-pressure turbine (8) expansion work；In addition one is by the 4th supercharging
It pumps IV 15 pressurizations and is heated to form high temperature and pressure or superheat state into first evaporator 4 at high pressure conditions, it is saturating into double pressures
Flat 8 expansion works.The acting of mixed-pressure turbine 8 drives generator 9 to generate electricity, and turbine lack of gas finally enter condenser 10 and complete entire double pressures
Organic Rankine Cycle.
Claims (4)
1. a kind of electricity generation system utilized based on afterheat of IC engine, which is characterized in that including first order I. C. engine exhaust heat exchanger
(1), second level I. C. engine exhaust heat exchanger (2), first evaporator (4), second level evaporator (5), mixed-pressure turbine (8), cold
Condenser (10) and preheater (12)；There are two outlet and two entrances for first evaporator (4) and second level evaporator (5)；
It is connected by pipeline between the first outlet and the entrance of second level I. C. engine exhaust heat exchanger (2) of second level evaporator (5), the
The pipeline of two level I. C. engine exhaust heat exchanger (2) outlet is divided into two-way, connects first order I. C. engine exhaust heat exchanger (1) all the way
Entrance, another way are connected to the first entrance of second level evaporator (5)；The outlet of first order I. C. engine exhaust heat exchanger (1) is logical
Piping is connected to the first entrance of first evaporator (4), and the first outlet of first evaporator (4) is connected to second level steaming
Send out the first entrance of device (5)；It is connected by pipeline between the outlet and preheater (12) entrance of condenser (10)；Preheater (12)
The pipeline of outlet is divided into two-way, connects the second entrance of first evaporator (4) all the way, and another way connects second level evaporator
(5) second entrance；The second outlet of first evaporator (4) and second level evaporator (5) is connected to double pressures by pipeline
The entrance of turbine (8)；The outlet of mixed-pressure turbine (8) is connected to the entrance of condenser (10).
2. a kind of electricity generation system utilized based on afterheat of IC engine according to claim 1, which is characterized in that mixed-pressure turbine
(8) it is connected with generator (9).
3. a kind of electricity generation system utilized based on afterheat of IC engine according to claim 1, which is characterized in that be connected to
First throttle valve (3) is provided on the inlet branch pipeline of level-one I. C. engine exhaust heat exchanger (1)；First evaporator (4)
Second throttle (7) is provided on pipeline between second outlet and mixed-pressure turbine (8)；It is connected to second level evaporator (5)
Third throttle valve (13) is provided in the bypass line of second entrance；It is connected to the branch of the second entrance of first evaporator (4)
The 4th throttle valve (15) is provided on the pipeline of road.
4. a kind of electricity generation system utilized based on afterheat of IC engine according to claim 3, which is characterized in that steam the second level
It is provided with the first booster pump (6) on pipeline between the first outlet and second level I. C. engine exhaust heat exchanger (2) of hair device (5)；
Condenser (10) exports and is provided with the second booster pump (11) on the pipeline between preheater (12) entrance；Third throttle valve (13)
Third booster pump (14) is provided between the second entrance of second level evaporator (5)；4th throttle valve (15) and the first order are steamed
It is provided with the 4th booster pump (16) between the second entrance of hair device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022577.0A CN108561241A (en) | 2018-01-10 | 2018-01-10 | A kind of electricity generation system utilized based on afterheat of IC engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022577.0A CN108561241A (en) | 2018-01-10 | 2018-01-10 | A kind of electricity generation system utilized based on afterheat of IC engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561241A true CN108561241A (en) | 2018-09-21 |
Family
ID=63530905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810022577.0A Pending CN108561241A (en) | 2018-01-10 | 2018-01-10 | A kind of electricity generation system utilized based on afterheat of IC engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561241A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931135A (en) * | 2019-03-25 | 2019-06-25 | 哈尔滨工程大学 | A kind of exhaust heat of internal combustion engine gradient utilization system |
| CN113446127A (en) * | 2021-08-02 | 2021-09-28 | 北京理工大学 | Internal combustion engine waste heat recovery organic Rankine cycle system and waste heat recovery method thereof |
| US11352911B2 (en) * | 2018-02-27 | 2022-06-07 | Orcan Energy Ag | Drive having an integrated ORC |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612035A (en) * | 1979-07-09 | 1981-02-05 | Sumitomo Heavy Ind Ltd | Waste heat recovery mechanism |
| JPS57108404A (en) * | 1980-12-24 | 1982-07-06 | Setsuo Yamamoto | Combined cycle plant |
| CN105066719A (en) * | 2015-08-31 | 2015-11-18 | 山东省环能设计院有限公司 | Waste heat power generation system based on comprehensive utilization of waste gas |
| CN105089726A (en) * | 2015-01-08 | 2015-11-25 | 湘潭大学 | Cooling, heating and power combined supply system based on double-pressure organic Rankine cycle |
| CN107246291A (en) * | 2017-06-29 | 2017-10-13 | 中国石油大学(北京) | The double pressure evaporation organic Rankine cycle power generation systems of non-azeotropic working medium |
-
2018
- 2018-01-10 CN CN201810022577.0A patent/CN108561241A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612035A (en) * | 1979-07-09 | 1981-02-05 | Sumitomo Heavy Ind Ltd | Waste heat recovery mechanism |
| JPS57108404A (en) * | 1980-12-24 | 1982-07-06 | Setsuo Yamamoto | Combined cycle plant |
| CN105089726A (en) * | 2015-01-08 | 2015-11-25 | 湘潭大学 | Cooling, heating and power combined supply system based on double-pressure organic Rankine cycle |
| CN105066719A (en) * | 2015-08-31 | 2015-11-18 | 山东省环能设计院有限公司 | Waste heat power generation system based on comprehensive utilization of waste gas |
| CN107246291A (en) * | 2017-06-29 | 2017-10-13 | 中国石油大学(北京) | The double pressure evaporation organic Rankine cycle power generation systems of non-azeotropic working medium |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11352911B2 (en) * | 2018-02-27 | 2022-06-07 | Orcan Energy Ag | Drive having an integrated ORC |
| CN109931135A (en) * | 2019-03-25 | 2019-06-25 | 哈尔滨工程大学 | A kind of exhaust heat of internal combustion engine gradient utilization system |
| CN113446127A (en) * | 2021-08-02 | 2021-09-28 | 北京理工大学 | Internal combustion engine waste heat recovery organic Rankine cycle system and waste heat recovery method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105003351B (en) | Gas machine waste heat energy is carried out the energy tower of the multi-energy form output of step recovery | |
| CN103670558B (en) | The afterheat of IC engine reclaiming system of two pressure multi-stage expansion reheating | |
| CN103206317B (en) | Cascaded recycling system for waste heat of internal combustion generating set | |
| CN103726949B (en) | Double-pressure double-loop multistage-expansion internal combustion engine waste heat recovery system | |
| CN105888748B (en) | Comprehensive energy efficiency system for heating low-pressure cylinder polished shaft cooling and small turbine steam exhaust waste heat recovery | |
| CN103161607A (en) | Combined power generating system based on waste-heat utilization of combustion motor | |
| CN108150234A (en) | A kind of filling formula organic Rankine cycle power generation system based on UTILIZATION OF VESIDUAL HEAT IN | |
| CN108343479A (en) | A kind of solidifying pumping back of the body heating system and adjusting method based on two units | |
| CN108561241A (en) | A kind of electricity generation system utilized based on afterheat of IC engine | |
| CN203201684U (en) | Internal combustion engine generator set waste heat cascade recycling system based on Rankine cycle | |
| CN108087944B (en) | A kind of condensed water recycling heating system based on water water ejector | |
| CN104457297B (en) | A kind of sintering waste heat recovery method and system | |
| CN104061027B (en) | The high temperature steam-extracting cooling system of Double reheat steam turbine thermodynamic system | |
| CN105698161A (en) | Coal-fired power plant energy level matching heat integration system based on primary air | |
| CN203796343U (en) | Multi-pressure low-boiling steam supplement type organic Rankine cycle (ORC) system | |
| CN204691833U (en) | A kind of circulating water afterheat utilized device | |
| CN110953069A (en) | Multi-energy coupling power generation system of gas turbine power station | |
| JP2000161018A (en) | Method and device of exhaust heat recovery power generation by water-ammonia mixed fluid | |
| CN208816195U (en) | A kind of double pressure ORC electricity generation systems | |
| CN212376702U (en) | Steam turbine bypass system heated by combustion engine gas | |
| CN203978523U (en) | The high temperature steam-extracting cooling system of Double reheat steam turbine thermodynamic system | |
| CN208184798U (en) | A kind of solidifying pumping back heating system based on two units | |
| CN205717156U (en) | A kind of high-pressure heater train with built-in steam condenser | |
| CN206709049U (en) | A kind of thermal power plant waste heat comprehensive utilization system | |
| CN111852591A (en) | Combined cycle power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180921 |