CN105569872B - Using the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of liquid - Google Patents
Using the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of liquid Download PDFInfo
- Publication number
- CN105569872B CN105569872B CN201510921377.5A CN201510921377A CN105569872B CN 105569872 B CN105569872 B CN 105569872B CN 201510921377 A CN201510921377 A CN 201510921377A CN 105569872 B CN105569872 B CN 105569872B
- Authority
- CN
- China
- Prior art keywords
- working medium
- engine
- sensor
- control module
- magnetic valve
- 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.)
- Expired - Fee Related
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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Using the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of liquid, flammable working medium is the operation working medium as organic rankine cycle system again as the fuel of engine by the invention, organic rankine cycle system fluid reservoir is merged with fuel tanks of automobile, and the volume of condenser is effectively reduced, so as to effectively reduce the volume and quality of residual neat recovering system.The system is mainly made up of engine exhaust heat recovery system, engine charge and fuel feed system and control system.By adjusting the opening and closing of different valves, the switching of engine fuel supply passage and the starting and stopping of residual neat recovering system are realized, the exhaust heat energy of engine can be effectively utilized and improve engine combustion performance.Compared to existing technical scheme, the present invention has the advantages that compact conformation, quality be small, easily controllable, waste heat energy utilization rate is higher, with relatively broad application prospect.
Description
Technical field
The invention belongs to energy-saving and emission-reduction field, it is related to a kind of automobile-used organic Rankine bottoming cycle of the flammable organic working medium of use liquid
Residual neat recovering system.Flammable working medium is the operation working medium as organic rankine cycle system again as the combustion of engine by the invention
Material, organic rankine cycle system fluid reservoir is merged with fuel tanks of automobile, and using the condenser of small volume, so as to effectively subtract
The volume and quality of few residual neat recovering system.
Background technology
From the point of view of the energy balance of engine, there was only 30%-45% (diesel engine) or 20%- in fuel combustion gross energy
30% (gasoline engine) is used for power output, and about 35% energy is by motor vehicle exhaust emission to air.Therefore, will start
It is to improve engine overall energetic efficiency, reduce fuel consumption, reduce pollutant row that the exhaust heat energy Efficient Conversion of machine is recycled
The effective way put.Compared to hybrid power, automotive light weight technology, reduce the technology such as air drag and annex power consumption, engine row
Gas heat recovery technology has huge energy-saving and emission-reduction potentiality.
At present, engine exhaust heat can using technology be concentrated mainly on supercharging, utilizing waste heat for refrigeration, waste heat heating, cogeneration and
Several aspects such as improvement fuel combustibility, and organic rankine cycle system receives extensive pass by its superior performance
Note, and various fields are applied to, it is a kind of efficient, the feasible method for recovery vehicle engine exhaust heat energy.So
And, because the space on automobile and carrying capacity are limited, realize organic rankine cycle system to vehicular engine exhaust heat energy
Effective recycling, it is necessary to effectively reduce the volume and quality of organic rankine cycle system.
The content of the invention
The purpose of the present invention is the operation working medium and hair as organic rankine cycle system using the flammable organic working medium of liquid
The fuel of motivation, the fuel tank of the fluid reservoir of organic rankine cycle system and automobile is merged, and by using part working medium as
Engine fuel, reduces the working medium mass flow for needing condensation, effectively reduces the volume of condenser.The system is main by engine
Exhaust heat recovery system, engine charge and fuel feed system and control system are constituted.
In order to realize above-mentioned target, the present invention uses following technical solution：
Automobile-used organic Rankine bottoming cycle residual neat recovering system proposed by the invention, mainly reclaims system by engine exhaust heat
System, engine charge and fuel feed system and control system composition.
Above-mentioned engine exhaust heat recovery system, including engine, exhaust channel, turbine, evaporator, expanding machine,
Generator, fluid reservoir, working medium cleaner, working medium pump, condenser and working medium pipeline.In order to ensure that engine is followed in organic Rankine
Still normal work during loop systems off-duty, the present invention devises two fuel supply passageways, flammable organic working medium in a path
Blender is directly entered to mix with compressed air；Flammable organic working medium is done work in organic rankine cycle system in another path
Mix with compressed air into blender afterwards.In addition, organic working medium is exchanged heat in evaporator with engine exhaust, form high
Warm HCS；The weary gas of working medium after expansion exchanges heat with cooling water within the condenser, is condensed into liquid refrigerant and flows back to fluid reservoir.
Above-mentioned engine charge and fuel feed system, including fluid reservoir, working medium cleaner, working medium pump, evaporator, expansion
Machine, blender, working medium pipeline, air filter, compressor, charge air cooler and air inlet pipeline.Wherein when organic Rankine bottoming cycle system
During system operation, after flammable organic working medium is done work in organic rankine cycle system, according to the demand of engine, extraction section can
Combustion organic working medium mixes into blender with compressed air, supply engine burning.Now, flammable organic working medium is gaseous state, can
Improve engine combustion performance more fully to mix with compressed air, and the working medium mass flow for flowing into condenser can be reduced,
Reduce the volume of condenser.When organic rankine cycle system off-duty, flammable organic working medium after working medium pump by being directly entered
Blender mixes with compressed air, supply engine burning.
Above-mentioned control system mainly includes engine exhaust temperature sensor, engine exhaust mass flow sensor, work
Matter pump discharge power pressure sensor, working medium pump discharge working medium mass flow sensor, evaporator outlet Temperature of Working sensor,
The connection of evaporator outlet power pressure sensor, expander outlet power pressure sensor, expanding machine and power pressure adjuster
Working medium mass flow sensor, condensator outlet cooling-water temperature sensor, condensator outlet cooling water quality stream on path
Quantity sensor, condensator outlet Temperature of Working sensor, condensator outlet power pressure sensor, intercooler outlet air themperature
Sensor, mixer entrance Temperature of Working sensor, suction port of compressor charge-air mass flow sensor, motor-driven valve, magnetic valve, control
Molding block and corresponding connection line etc..Temperature sensor, pressure sensor, working medium matter wherein in control module acquisition system
The signal of flow sensor is measured, is judged after processing by analysis, and send instruction, control magnetic valve, motor-driven valve, so that real
The stable operation of existing automobile-used organic Rankine bottoming cycle residual neat recovering system.
Compared with existing technical scheme, the invention has the advantages that：
1. by using, the flammable organic working medium of liquid is as the operation working medium of organic rankine cycle system and conduct is started
The fuel of machine, organic rankine cycle system fluid reservoir is merged with fuel tanks of automobile, effectively reduces the volume of residual neat recovering system
And quality.
2. when vehicular engine is started or exhaust energy is smaller, inoperative organic Rankine bottoming cycle residual neat recovering system can
Combustion organic working medium is by being directly entered the burning of blender supply engine after working medium pump and pressure regulator.
3. after organic Rankine bottoming cycle residual neat recovering system is started, according to the demand of engine, will be expanded in expanding machine
A part of supply engine burning of the weary gas after acting.Now, flammable organic working medium be in gaseous state can more fully with pressure
Contracting air mixes, and improves the combustibility of engine；Further, it is also possible to reduce the working medium mass flow into condenser, reduce
The volume of condenser.
4. control system can be according to the temperature sensor of the flammable organic working medium of mixer entrance and condensator outlet Air Temperature
The signal for spending sensor automatically adjusts the condensation intensity of charge air cooler, to ensure the mixed air temperature of flammable organic working medium and compressed air
Degree is in engine fuel combustion range.
Brief description of the drawings
Fig. 1 is the schematic diagram using the residual neat recovering system of the flammable organic working medium cyclohexane of liquid；
In figure：1st, fluid reservoir；2nd, working medium cleaner；3rd, working medium pump；4th, expansion valve；5th, magnetic valve one, 8, magnetic valve two,
13rd, magnetic valve three, 16, magnetic valve four, 39, magnetic valve five, 40, magnetic valve six；9th, motor-driven valve one, 19, motor-driven valve two, 24, electricity
Dynamic valve three, 29, motor-driven valve four；6th, working medium pump discharge working medium mass flow sensor；7th, working medium pump discharge power pressure sensor；
10th, evaporator；11st, expander inlet Temperature of Working sensor；12nd, expander inlet power pressure sensor；14th, expanding machine；
15th, generator；17th, expander outlet power pressure sensor；18th, work on the branch road that expanding machine and power pressure adjuster are connected
Matter mass flow sensor；20th, power pressure adjuster；21st, mixer entrance Temperature of Working sensor；23rd, condensator outlet
Power pressure sensor；22nd, condensator outlet Temperature of Working sensor；25th, condenser；26th, condensator outlet cooling water temperature
Sensor；27th, condensator outlet cooling water mass flow sensor；28th, air filter；30th, suction port of compressor air mass
Flow sensor；31st, compressor；32nd, cooling fan；33rd, charge air cooler；34th, blender；35th, intercooler outlet air themperature is passed
Sensor；36th, turbine, 37, turbine outlet engine exhaust temperature sensor；38th, turbine outlet engine exhaust quality
Flow sensor；41st, engine；42nd, control module.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.Using the automobile-used organic of the flammable organic working medium of liquid
Rankine cycle system is main by engine exhaust heat recovery system, engine charge and fuel feed system and control system group
Into.Above-mentioned engine exhaust heat recovery system includes：Engine (41), fluid reservoir (1), working medium cleaner (2), working medium pump
(3), evaporator (10), expanding machine (14), generator (15), condenser (25), turbine (36).Above-mentioned engine charge and combustion
Material feed system includes：Fluid reservoir (1), working medium cleaner (2), working medium pump (3), evaporator (10), expanding machine (14), working medium pressure
Draught control mechanism (20), blender (34), air filter (28), compressor (31), cooling fan (32), charge air cooler (33).On
The control system stated includes：Turbine outlet engine exhaust temperature sensor (37), turbine outlet engine exhaust quality
Flow sensor (38), control module (42), magnetic valve one (5), magnetic valve two (8), magnetic valve three (13), magnetic valve four
(16), magnetic valve five (39), magnetic valve six (40), motor-driven valve one (9), motor-driven valve two (19), motor-driven valve three (24), motor-driven valve four
(29), working medium pump discharge working medium mass flow sensor (6), working medium pump discharge power pressure sensor (7), expander inlet work
It is matter temperature sensor (11), expander inlet power pressure sensor (12), expander outlet power pressure sensor (17), swollen
Working medium mass flow sensor (18), mixer entrance Temperature of Working sensing on the branch road that swollen machine is connected with power pressure adjuster
Device (21), condensator outlet power pressure sensor (23), condensator outlet Temperature of Working sensor (22), condensator outlet are cold
But water temperature sensor (26), condensator outlet cooling water mass flow sensor (27), suction port of compressor air-mass flow
Sensor (30), intercooler outlet air temperature sensor (35).
The annexation of each part of engine exhaust heat recovery system is：Engine (41) is vented through exhaust channel successively
Into turbine (36) and evaporator (10)；Evaporator (10), expanding machine (14), condenser (25), fluid reservoir (1), working medium filter
Clear device (2) and working medium pump (3) join end to end.
The annexation of engine charge and each part of fuel feed system is：Fuel feed system be by fluid reservoir (1),
Working medium cleaner (2), working medium pump (3), evaporator (10), expanding machine (14), condenser (25), power pressure adjuster (20),
Blender (34) is sequentially connected, and gas handling system is by air filter (28), compressor (31), charge air cooler (33), blender
(34) it is sequentially connected, has a path to connect working medium pump (3) and power pressure adjuster (20) in addition.
The annexation of each part of control system is：Engine exhaust temperature sensor (37) and engine exhaust quality stream
Quantity sensor (38) one end is disposed in parallel on the exhaust channel that turbine (36) is connected with evaporator (10), the other end with control
Module (42) is connected；The air inlet of engine charge mass flow sensor (30) one end air filter (28) and compressor (31)
On path, the other end is connected with control module (42)；Working medium pump discharge working medium mass flow sensor (6) and working medium pump discharge work
Matter pressure sensor (7) one end is disposed in parallel on the organic working medium path of working medium pump discharge, the other end and control module (42)
It is connected；Magnetic valve one (5), magnetic valve two (8), magnetic valve three (13), magnetic valve four (16), magnetic valve five (39), magnetic valve six
(40), motor-driven valve one (9), motor-driven valve two (19), motor-driven valve three (24), motor-driven valve four (29) and control module (42) and phase
The connection line answered is connected；
Condensator outlet cooling-water temperature sensor (26) and condensator outlet cooling water mass flow sensor (27)
End is disposed in parallel at condenser (25) coolant outlet, and the other end is connected with control module (42)；
Condensator outlet Temperature of Working sensor (22) and condensator outlet power pressure sensor (23) one end set side by side
Put at condenser (25) sender property outlet, the other end is connected with control module (42)；
Temperature of Working sensor (11) one end is simultaneously at power pressure sensor (12) and expander inlet at expander inlet
Row are arranged at expanding machine (14) working medium entrances, and the other end is connected with control module (42)；
Expander outlet power pressure sensor (17) one end is arranged at expanding machine (14) sender property outlet, the other end with control
Molding block (42) is connected；
Expanding machine is arranged on swollen with working medium mass flow sensor (18) one end that power pressure adjuster is connected on branch road
Swollen machine (14) is connected on branch road with power pressure adjuster (20), and the other end is connected with control module (42)；
Working medium mass flow sensor (6) one end of working medium pump discharge is arranged at working medium pump (3) sender property outlet, the other end
It is connected with control module (42)；
Charge-air mass flow sensor (30) one end of suction port of compressor is arranged at the air intake of compressor (31), separately
One end is connected with control module (42)；
One end of magnetic valve one (5) is arranged between working medium pump (3) and fluid reservoir (1), the other end and control module (42)
It is connected；
One end of magnetic valve two (8) is arranged between working medium pump (3) and evaporator (10), the other end and control module (42)
It is connected；
One end of magnetic valve three (13) is arranged between expanding machine (14) and evaporator (10), the other end and control module
(42) it is connected；
One end of magnetic valve four (16) is arranged on the branch road that evaporator (10) is connected with condenser (25), the other end with control
Molding block (42) is connected；
One end of magnetic valve five (39) is arranged on turbine (36) and the path in the external world, the other end and control module (42)
It is connected；
One end of magnetic valve six (40) is arranged between evaporator (10) and turbine (36), the other end and control module
(42) it is connected；
One end of motor-driven valve one (9) is arranged on the branch road that working medium pump (3) is connected with power pressure adjuster (20), another
End is connected with control module (42)；
One end of motor-driven valve two (19) is arranged on the branch road that expanding machine (14) is connected with power pressure adjuster (20), separately
One end is connected with control module (42)；
One end of motor-driven valve three (24) is arranged at condenser (25) cooling water inlet and is connected with cooling water source, the other end with
Control module (42) is connected；
One end of motor-driven valve four (29) is arranged between air filter (28) and compressor (31), the other end with control mould
Block (42) is connected；
Operation principle of the invention is as follows：When engine is just started, when the delivery temperature sensing on exhaust channel
When device (37) detects delivery temperature less than 250 DEG C, inoperative engine exhaust heat recovery system.Now, magnetic valve is kept
Two (8) are disconnected, and motor-driven valve one (9) is connected, and control module (42) adjusts working medium pump (3) according to the fuel demand of engine, and
Send instruction：Magnetic valve six (40) is disconnected, magnetic valve five (39) is connected, so that motor exhaust is directly arranged by exhaust channel
In entering air.Now, flammable organic working medium sequentially passes through working medium cleaner (2), working medium pump (3) and working medium pressure by fluid reservoir (1)
Draught control mechanism (20) enters blender (34) and is burnt with air mixing supply engine afterwards.
When engine is stable, when exhaust gas temperature sensor (37) detects delivery temperature higher than 250 DEG C, control module
(42) instruction is sent：Magnetic valve two (8) and motor-driven valve two (19) are connected, magnetic valve six (40) is also turned on, magnetic valve five is disconnected
(39), engine exhaust enters and is exchanged heat with working medium in evaporator (10).When working medium mass flow sensor (18) is detected
Flammable working medium flows into power pressure adjuster (20) by the branch road that expanding machine (14) is connected with power pressure adjuster (20), and
When enough supply engines burn, motor-driven valve one (9) is disconnected, and control inflow power pressure to adjust by adjusting motor-driven valve two (19)
The mass flow of flammable working medium in section device (20).Meanwhile, control module (42) is according to turbine outlet engine exhaust quality stream
The fuel demand of the feedback and engine of quantity sensor (38) and turbine outlet engine exhaust temperature sensor (37) is adjusted
The flow of section working medium pump (3).Now, flammable organic working medium sequentially passes through working medium cleaner (2) and working medium pump by fluid reservoir (1)
(3) heat absorption evaporation in evaporator (10) is entered, the expansion work in expanding machine (14) of the high pressure high temperature vapor after evaporation drives hair
Motor (15) generates electricity, and the weary gas part after acting enters blender after power pressure adjuster (20) adjusts its pressure
(34) burnt with air mixing supply engine, remainder flows back to fluid reservoir after being condensed into saturation liquid into condenser (25)
(1)。
Due to the flammable organic working medium by expanding machine (14) and power pressure adjuster (20) entrance blender (34) not
By condensation, to avoid the combustibility of the too high influence engine of its temperature, the present invention from taking following measures：Control module (42)
According to mixer entrance temperature sensor (21), working medium mass flow sensor (18), air quality flow rate sensor (30)
With the rotating speed of the Signal Regulation cooling fan (32) of intake air temperature sensor (35), by adjusting compressed air in charge air cooler (33)
Temperature control the temperature of gaseous mixture in blender (34).
To ensure that the weary gas of organic working medium after expansion is changed into saturation liquid with after cooling water heat exchange within the condenser, the present invention
Take following measures：Control module (42) is according to condensator outlet Temperature of Working sensor (22) and condensator outlet power pressure
The signal of sensor (23) judges whether organic working medium is saturated liquid, if saturated liquid, motor-driven valve three (24) keeps aperture
It is constant；If not saturated liquid, control module (42) is according to condensator outlet cooling-water temperature sensor (26) and condenser
The signal of outlet cooling water mass flow sensor (27), controls the aperture of motor-driven valve three (24), to adjust the condensation of condenser
Intensity.
When the pressure sensor (12) and temperature sensor (11) installed in expanding machine (14) porch, to detect pressure high
When 3MPa and temperature are higher than 200 DEG C, illustrate that system occurs extremely.Control module (42) sends instruction：Motor-driven valve (16) is connected,
Magnetic valve (13) is disconnected, so as to bypass expanding machine to protect whole system safety.In addition, when installed in working medium pump (3) outlet
When the pressure sensor (7) at place detects pressure higher than 4MPa, illustrate that system occurs abnormal.Control module (42) sends instruction：
Magnetic valve one (5) is connected, magnetic valve two (8) is disconnected and is connected motor-driven valve one (9).From the working medium part warp of working medium pump (3) outflow
Cross the supply engine remainder of motor-driven valve one (9) and flow back to fluid reservoir (1) again from after by-pass expanded valve (4) pressure release.This
Outward, it is additionally provided with bypass in expanding machine (14) and working medium pump (3) place, it is ensured that can in case of emergency bypass expanding machine and working medium
Pump, so as to protect the safety of whole system.
Claims (5)
1. using the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of liquid, it is characterised in that：The system bag
Include engine exhaust heat recovery system, engine charge and fuel feed system and control system；Above-mentioned engine exhaust
Residual neat recovering system includes：Engine (41), fluid reservoir (1), working medium cleaner (2), working medium pump (3), evaporator (10), expansion
Machine (14), generator (15), condenser (25), turbine (36)；Above-mentioned engine charge and fuel feed system include：Liquid storage
Tank (1), working medium cleaner (2), working medium pump (3), evaporator (10), expanding machine (14), power pressure adjuster (20), blender
(34), air filter (28), compressor (31), cooling fan (32), charge air cooler (33)；Above-mentioned control system includes：Whirlpool
Turbine exports engine exhaust temperature sensor (37), turbine outlet engine exhaust mass flow sensor (38), control
Module (42), magnetic valve one (5), magnetic valve two (8), magnetic valve three (13), magnetic valve four (16), magnetic valve five (39), electromagnetism
Valve six (40), motor-driven valve one (9), motor-driven valve two (19), motor-driven valve three (24), motor-driven valve four (29), working medium pump discharge working medium matter
Amount flow sensor (6), working medium pump discharge power pressure sensor (7), expander inlet Temperature of Working sensor (11), expansion
Machine entrance power pressure sensor (12), expander outlet power pressure sensor (17), expanding machine and power pressure adjuster
Working medium mass flow sensor (18), mixer entrance Temperature of Working sensor (21), condensator outlet work on the branch road of connection
Matter pressure sensor (23), condensator outlet Temperature of Working sensor (22), condensator outlet cooling-water temperature sensor (26),
Condensator outlet cooling water mass flow sensor (27), suction port of compressor charge-air mass flow sensor (30), charge air cooler go out
Mouth air temperature sensor (35)；
The annexation of each part in the automobile-used organic Rankine bottoming cycle residual neat recovering system of the above-mentioned flammable organic working medium of use liquid
It is：
The annexation of each part of engine exhaust heat recovery system is：Engine (41) exhaust is sequentially entered through exhaust channel
Turbine (36) and evaporator (10)；Evaporator (10), expanding machine (14), condenser (25), fluid reservoir (1), working medium cleaner
And working medium pump (3) joins end to end (2)；
The annexation of engine charge and each part of fuel feed system is：Fuel feed system is by fluid reservoir (1), working medium
Cleaner (2), working medium pump (3), evaporator (10), expanding machine (14), condenser (25), power pressure adjuster (20), mixing
Device (34) is sequentially connected, gas handling system be by air filter (28), compressor (31), charge air cooler (33), blender (34) according to
It is secondary to be connected, there is a path to connect working medium pump (3) and power pressure adjuster (20) in addition；
The annexation of each part of control system is：Engine exhaust temperature sensor (37) and engine exhaust mass flow are passed
Sensor (38) one end is disposed in parallel on the exhaust channel that turbine (36) is connected with evaporator (10), the other end and control module
(42) it is connected；The intake channel of engine charge mass flow sensor (30) one end air filter (28) and compressor (31)
On, the other end is connected with control module (42)；Working medium pump discharge working medium mass flow sensor (6) and working medium pump discharge working medium pressure
Force snesor (7) one end is disposed in parallel on the organic working medium path of working medium pump discharge, and the other end is connected with control module (42)；
Magnetic valve one (5), magnetic valve two (8), magnetic valve three (13), magnetic valve four (16), magnetic valve five (39), magnetic valve six (40),
Motor-driven valve one (9), motor-driven valve two (19), motor-driven valve three (24), motor-driven valve four (29) and control module (42) and corresponding connect
Link is connected；
Condensator outlet cooling-water temperature sensor (26) and condensator outlet cooling water mass flow sensor (27) one end are simultaneously
Row are arranged at condenser (25) coolant outlet, and the other end is connected with control module (42)；
Condensator outlet Temperature of Working sensor (22) and condensator outlet power pressure sensor (23) one end are disposed in parallel in
At condenser (25) sender property outlet, the other end is connected with control module (42)；
Temperature of Working sensor (11) one end sets side by side at power pressure sensor (12) and expander inlet at expander inlet
Put at expanding machine (14) working medium entrances, the other end is connected with control module (42)；
Expander outlet power pressure sensor (17) one end is arranged at expanding machine (14) sender property outlet, the other end with control mould
Block (42) is connected；
Working medium mass flow sensor (18) one end that expanding machine is connected on branch road with power pressure adjuster is arranged on expanding machine
(14) it is connected on branch road with power pressure adjuster (20), the other end is connected with control module (42)；
Working medium mass flow sensor (6) one end of working medium pump discharge is arranged at working medium pump (3) sender property outlet, the other end with control
Molding block (42) is connected；
Charge-air mass flow sensor (30) one end of suction port of compressor is arranged at the air intake of compressor (31), the other end
It is connected with control module (42)；
One end of magnetic valve one (5) is arranged between working medium pump (3) and fluid reservoir (1), and the other end is connected with control module (42)；
One end of magnetic valve two (8) is arranged between working medium pump (3) and evaporator (10), the other end and control module (42) phase
Even；
One end of magnetic valve three (13) is arranged between expanding machine (14) and evaporator (10), the other end and control module (42) phase
Even；
One end of magnetic valve four (16) is arranged on the branch road that evaporator (10) is connected with condenser (25), the other end with control mould
Block (42) is connected；
One end of magnetic valve five (39) is arranged on turbine (36) and the path in the external world, the other end and control module (42) phase
Even；
One end of magnetic valve six (40) is arranged between evaporator (10) and turbine (36), the other end and control module (42) phase
Even；
One end of motor-driven valve one (9) is arranged on the branch road that working medium pump (3) is connected with power pressure adjuster (20), the other end with
Control module (42) is connected；
One end of motor-driven valve two (19) is arranged on the branch road that expanding machine (14) is connected with power pressure adjuster (20), the other end
It is connected with control module (42)；
One end of motor-driven valve three (24) is arranged at condenser (25) cooling water inlet and is connected with cooling water source, the other end with control
Module (42) is connected；
One end of motor-driven valve four (29) is arranged between air filter (28) and compressor (31), the other end and control module
(42) it is connected.
2. the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of use liquid according to claim 1,
It is characterized in that：Control module (42) according to the signal of temperature, pressure, working medium mass flow sensor in system, by analysis
Judged after treatment, and send signal, control magnetic valve, motor-driven valve are opened, closed, so as to realize residual neat recovering system
Start, shut down and two switchings of fuel oil supply system；Additionally, being additionally provided with side in expanding machine (14) and working medium pump (3) place
Road, it is ensured that can in case of emergency bypass expanding machine and working medium pump, so as to protect the safety of whole system.
3. the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of use liquid according to claim 1,
It is characterized in that：When the exhaust gas temperature sensor (37) on exhaust channel detects delivery temperature less than 250 DEG C, no
Start engine exhaust heat recovery system；Now, magnetic valve two (8) is kept to disconnect, motor-driven valve one (9) is connected, control module
(42) the fuel demand regulation working medium pump according to engine, and send instruction：Magnetic valve six (40) is disconnected, magnetic valve five is connected
(39), so that engine exhaust is directly discharged into air by exhaust channel；Now, flammable organic working medium is by fluid reservoir (1)
Working medium cleaner (2), working medium pump (3) and power pressure adjuster (20) is sequentially passed through to mix with air into blender (34) afterwards
Supply engine burns.
4. the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of use liquid according to claim 1,
It is characterized in that：When engine is stable, when exhaust gas temperature sensor (37) detects delivery temperature higher than 250 DEG C, control
Module (42) sends instruction：Magnetic valve two (8) and motor-driven valve two (19) are connected, magnetic valve six (40) is also turned on, electromagnetism is disconnected
Valve five (39), engine exhaust enter evaporator (10) in exchanged heat with working medium；When working medium mass flow sensor (18) inspection
Measure flammable working medium and power pressure adjuster is flowed into by the branch road that expanding machine (14) is connected with power pressure adjuster (20)
(20), and enough supply engine burn when, disconnect motor-driven valve one (9), and by adjust motor-driven valve two (19) control flow into work
The flow of flammable working medium in matter pressure regulator (20)；Meanwhile, control module (42) is according to turbine outlet engine exhaust matter
The feedback and the demand for fuel of engine of amount flow sensor (38) and turbine outlet engine exhaust temperature sensor (37)
The flow of amount regulation working medium pump (3)；Now, flammable organic working medium sequentially passes through working medium cleaner (2) and working medium by fluid reservoir (1)
Pump (3) enters heat absorption evaporation in evaporator (10), and the expansion work in expanding machine (14) of the high pressure high temperature vapor after evaporation drives
Generator (15) generates electricity, and the weary gas part after acting adjusts it according to engine demand amount by power pressure adjuster (20)
Engine combustion, remainder is supplied to flow back to storage after being condensed into saturation liquid into condenser (25) into blender (34) after pressure
Flow container (1).
5. the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of use liquid according to claim 1,
It is characterized in that：After organic Rankine bottoming cycle residual neat recovering system is started, control module (42) is passed according to mixer entrance temperature
Sensor (21), working medium mass flow sensor (18), air quality flow rate sensor (30) and intake air temperature sensor (35)
Signal Regulation cooling fan (32) rotating speed, control blender by adjusting the temperature of compressed air in charge air cooler (33)
(34) temperature of gaseous mixture in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510921377.5A CN105569872B (en) | 2015-12-13 | 2015-12-13 | Using the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510921377.5A CN105569872B (en) | 2015-12-13 | 2015-12-13 | Using the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105569872A CN105569872A (en) | 2016-05-11 |
| CN105569872B true CN105569872B (en) | 2017-05-31 |
Family
ID=55880394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510921377.5A Expired - Fee Related CN105569872B (en) | 2015-12-13 | 2015-12-13 | Using the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105569872B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927427B (en) * | 2016-05-24 | 2018-07-17 | 中山弗雷德机械有限公司 | A kind of inverse Carnot cycle car emission reduction device |
| CN107605546B (en) * | 2017-09-26 | 2023-06-30 | 赵文清 | Use of turbine expansion generators for organic working medium Rankine cycle power generation systems |
| CN110017201A (en) * | 2019-03-22 | 2019-07-16 | 承德石油高等专科学校 | Using the natural gas used for automobile engine exhaust heat recovery system of Brayton cycle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2320058A1 (en) * | 2008-08-26 | 2011-05-11 | Sanden Corporation | Waste heat utilization device for internal combustion engine |
| CN102410054A (en) * | 2011-10-19 | 2012-04-11 | 北京工业大学 | Engine exhaust gas waste heat recovery and control system and method based on organic rankine cycle |
| CN102619641A (en) * | 2012-04-12 | 2012-08-01 | 北京工业大学 | Power generation system using exhausting and cooling waste heat in internal combustion engine at the same time and control method therefor |
| CN104847525A (en) * | 2015-04-10 | 2015-08-19 | 北京工业大学 | Vehicle organic Rankine cycle waste heat recovery system capable of automatically switching working modes based on working conditions |
| JP2015183595A (en) * | 2014-03-24 | 2015-10-22 | 三菱日立パワーシステムズ株式会社 | Exhaust heat recovery apparatus, gas turbine plant including the same, and exhaust heat recovery method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150000274A1 (en) * | 2013-06-28 | 2015-01-01 | Cummins Inc. | Waste heat recovery system including connection to a vehicle air conditioning system |
-
2015
- 2015-12-13 CN CN201510921377.5A patent/CN105569872B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2320058A1 (en) * | 2008-08-26 | 2011-05-11 | Sanden Corporation | Waste heat utilization device for internal combustion engine |
| CN102410054A (en) * | 2011-10-19 | 2012-04-11 | 北京工业大学 | Engine exhaust gas waste heat recovery and control system and method based on organic rankine cycle |
| CN102619641A (en) * | 2012-04-12 | 2012-08-01 | 北京工业大学 | Power generation system using exhausting and cooling waste heat in internal combustion engine at the same time and control method therefor |
| JP2015183595A (en) * | 2014-03-24 | 2015-10-22 | 三菱日立パワーシステムズ株式会社 | Exhaust heat recovery apparatus, gas turbine plant including the same, and exhaust heat recovery method |
| CN104847525A (en) * | 2015-04-10 | 2015-08-19 | 北京工业大学 | Vehicle organic Rankine cycle waste heat recovery system capable of automatically switching working modes based on working conditions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105569872A (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104847525B (en) | Based on the automobile-used organic Rankine bottoming cycle residual neat recovering system of operating mode automatic switchover mode of operation | |
| CN106285917B (en) | A kind of diesel engine starting auxiliary system and method suitable for high altitude localities | |
| CN104564422A (en) | Comprehensive utilization system for waste heat of internal combustion engine | |
| CN105275570B (en) | One kind supercharging miniaturization engine double cooling systems | |
| US8516816B2 (en) | Avoidance of coolant overheating in exhaust-to-coolant heat exchangers | |
| RU2017138285A (en) | Method and system for exhaust heat recovery | |
| CN103114942A (en) | Waste heat recovery system | |
| US20160348620A1 (en) | Assembly including a heat engine and an electric compressor configured to heat the air-fuel mixture | |
| CN105569872B (en) | Using the automobile-used organic Rankine bottoming cycle residual neat recovering system of the flammable organic working medium of liquid | |
| CN105134360B (en) | A kind of multicycle engine cooling system | |
| CN106440501B (en) | A kind of energy automatically supplies gas-burning machine heat pump formula unit operation method | |
| CN105179060B (en) | A kind of pair of expansion tank dual cycle cooling system improved structure | |
| CN103958850B (en) | Cooling system for two-step supercharging engine | |
| CN107882658A (en) | Boosting explosive motor with cooled exhaust gas re-circulation apparatus | |
| CN104500218B (en) | System capable of simultaneously improving low-speed working condition performance, high-speed working condition fuel efficiency, NOx emission and transient performance of internal combustion engine | |
| CN106762240A (en) | A kind of waste gas and used heat reutilization system, engine and vehicle | |
| CN207905874U (en) | A kind of tail gas waste heat recovering system | |
| CN103925072B (en) | A kind of supercharged diesel engine environmental protecting device based on EGR and air inlet humidification | |
| CN105863806A (en) | Double-cooling-circulation system with low-temperature heat dissipater | |
| CN105888811A (en) | Double-water pump engine double cooling system | |
| CN102213161B (en) | Closed gas cycle type thermal power system | |
| CN108716435A (en) | A kind of pressurization system of internal combustion engine of integrated waste heat recovery | |
| CN107605580A (en) | A kind of vehicle waste heat recovery and air conditioner refrigerating combined cycle system and its control method | |
| GB2463641A (en) | Making use of the waste heat from an internal combustion engine | |
| CN207686871U (en) | The high pressure cold end egr system of engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |