CN103388524B - Diesel engine and the method for improving diesel engine acc power - Google Patents
Diesel engine and the method for improving diesel engine acc power Download PDFInfo
- Publication number
- CN103388524B CN103388524B CN201310169690.9A CN201310169690A CN103388524B CN 103388524 B CN103388524 B CN 103388524B CN 201310169690 A CN201310169690 A CN 201310169690A CN 103388524 B CN103388524 B CN 103388524B
- Authority
- CN
- China
- Prior art keywords
- diesel engine
- auxiliary blower
- turbocharger
- gas
- combustor
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D23/00—Controlling engines characterised by their being supercharged
-
- 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
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using heat
-
- 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
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
- F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- 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 present invention relates to Diesel engine and the method for improving diesel engine acc power.This Diesel engine has：At least one turbocharger stage；At least one exhausted gas post-processing system, it has a number of unit, and waste gas is conducted through described unit；And the compensation device not driven by turbocharger stage, the auxiliary blower that is, at least one is independently driven with turbocharger stage.According to the present invention, auxiliary blower is guiding to described a number of combustor from turbocharger stage in the arranged downstream of turbocharger stage, in scavenging gas on high-tension side pipeline section, and auxiliary blower be designed for continuous service in the whole load range of Diesel engine and when being pressurized to combustor assisted turbocharger level, will pass through the reduction occurring with exhaust after-treatment that the assisted turbocharger level when being pressurized to compensate the pressure reduction that the energy on the scavenging gas high-pressure side of turbocharger stage uses for turbocharger stage to combustor.
Description
Technical field
The present invention relates to a kind of Diesel engine and a kind of method for improving diesel engine acc power.The present invention is special
It is not to be related to large-sized diesel motor, be such as example used for driving ship or the Diesel engine for generating electricity in power plant, and
And it is particularly suited for two-stroke large diesel engine.
Background technology
In this Diesel engine, in order to scavenging gas pair（One or several）Combustor is pressurized and is provided with by one
The turbocharger stage that individual or multiple turbocharger are constituted, this turbocharger stage is using being derived from（One or several）Combustor
, generally in exhaust gas collector collect waste gas as energy source.Here, using being derived from（One or several）Combustor or useless
Pressure reduction between the surrounding that the waste gas of gas catcher and waste gas are discharged into.Scavenging gas can be fresh air or example
As by fresh air with returned the admixture of gas that the waste gas that draws is constituted.
Here, the auxiliary that most electrodynamic type drives is usually provided with air inlet section on the high-pressure side of turbocharger
Aerator, this auxiliary blower be used as start auxiliary body and in low engine speed range and low-load range compensate turbine slow
Stagnant.Then, UK Patent Application GB2410060A discloses a kind of small-sized bavin of turbocharging type two-stroke for car design
Oil machine, this two-stroke small diesel engine has such auxiliary air blast as starting auxiliary body with for compensating turbo lag
Machine.This UK Patent Application is learnt, when fresh air will fully flow in combustor, turbine in two stroke engine
Braking problems performance extremely prominent, even if this is because admission pressure when electromotor starts and in low-load range at low turn
Also must be on exhaust gas pressure when fast.
Thus, in the waste gas low-pressure side of turbocharger in this Diesel engine（The exhaustor that i.e. waste gas is flowed through
The streamwise in turbocharger on road is arranged in the region in downstream）On be provided with exhausted gas post-processing system.Such two
Stroke large diesel engine for example can be known from international patent application WO2008/135059A1.Exhausted gas post-processing system exists
This has SCR reactor（SCR：SelektiveKatalytischeReduktion（SCR））, it is used for will
It is discharged into the NOx reduction in the waste gas of surrounding.SCR reactor needs high EGT, and high EGT passes through in turbine
Combustion heater on the aerofluxuss high-pressure side of booster turbine upstream is producing.In order to compensate by waste gas heating cause and because
This loss finally being caused by exhaust after-treatment, is there concurrently disposed with attached in exhaust section with turbocharger turbine
Plus turbine.Auxiliary blower is switched on during electromotor starting and in low-load range, so that auxiliary exists in supercharging
Turbocharger that is inoperative or being driven with low exhaust gas pressure in this range of operation.
It is also known that carrying the turbocharging type miniature diesel of auxiliary blower and exhausted gas post-processing system in automotive field
Electromotor, referring to UK Patent Application GB2480240A.In this UK Patent Application, raise in low-load range internal loading
When, auxiliary blower is switched on and is not only used to compensate turbo lag itself, and is used for maintaining this under this ruuning situation
In electromotor shown in UK Patent Application, the waste gas of setting returns the NOx reduction drawn and occur therewith.In this British patent Shen
Please in the exhausted gas post-processing system that alternatively arranges can have catalyst converter and particle filter.
Turbo-charged engine is not only by auxiliary blower in low-load range be used as compressor and
Turn off this auxiliary blower when electromotor further speeds up, but contrary auxiliary blower even in high-load range or is entirely born
In the range of lotus with act on reduce admission pressure decompressor, this go deep into inspiration can from German patent application DE1903261A1,
Know in DE4128642C2 and DE102004001371A1.In DE1903261A1, additional compressor pass through drive mechanism by
The bent axle of electromotor drives, and is additionally provided with the heat exchanger for transmitting heat between engine coolant and air inlet, according to
This DE1903261A1, also to fulfil in addition to common cold start miscellaneous function in the range of the full load of electromotor its
His function, that is, pass through conveyed fresh air and expand the cooling realizing turbocharger-compressor and thus allow to use
There is the turbocharger of high compression ratio.Similarly, in the electromotor according to DE4128642C2, in turbocharger-calm the anger
The upstream of machine be provided with drive mechanism by the shaft-driven additional compressor of song of electromotor and can bypass in waste gas
Transmit the heat exchanger of heat and air inlet between, the ratio selection of wherein drive mechanism is the temperature rising with chamber wall（I.e.
Increase with engine load）And reduce so that reduce in high engine load for additional compressor but not（Again）Must
The power needing.According to DE102004001371A1, additional compressor is switched on to overcome turbo lag in start-up period, just
It is bypassed by the bypass conduit being arranged in air inlet pipeline when often running and be used as swollen in the range of the full load of electromotor
Swollen device carrys out work, so that by reduced pressure to so that can realize following from the waste gas that here is collected completely in suction range again
The recirculation of the waste gas on endless tube road, and additionally to obtain electricity by the Engine-Generator being connected on auxiliary blower.
In general, exhausted gas post-processing system comprises the unit for post processing waste gas, waste gas is conducted through described list
Unit.Here forms back pressure, and this back pressure reduces the pressure that can use for turbocharger or turbocharger stage.
For example, exhausted gas post-processing system can comprise one or more exhaust scrubbers, so that eccysis is wrapped in the offgas
The sulfur containing.Such exhausted gas post-processing system with exhaust scrubber for example can be from Germany Patent document
Know in DE102009010808B3.International patent application WO2007/045721A1 is also shown for a kind of electromotor, this electromotor
There is exhaust gas cleaning system or the exhausted gas post-processing system being arranged in turbocharger downstream in exhaust side streamwise.
Alternatively or addedly, exhausted gas post-processing system can also comprise for changing harmful substance with catalytic way
Catalyst converter.
But alternatively or addedly, this exhausted gas post-processing system can also comprise one or more steam generators, with
Just obtain process heat or steam to produce electric current.Alternatively or addedly it is also possible to be provided for producing the heat exchanger of hot water.
Certainly, exhausted gas post-processing system can also comprise other units, such as acoustic filter or the catalysis for exhaust gas cleaning
Device or the like, waste gas is conducted through these units in the case of having pressure loss.
In order to compensate the pressure loss being caused by exhausted gas post-processing system, conventionally used vacuum compressor or air exhauster,
Abgasabsaugung is passed through exhausted gas post-processing system by this vacuum compressor or air exhauster.Waste gas is made to pass through to give up although thus can ensure that
Gas after-treatment system.But thus can not be fully compensated by exhausted gas post-processing system or be formed in exhausted gas post-processing system
The power attenuation in turbocharger that back pressure causes.
German patent application DE102007054227A1 discloses a kind of truck（LKW）- miniature diesel engine, its
There is two turbocharging mechanism, the pressurized air cooling body additional compressor in parallel with turbocharger air compressor, waste gas
Re-circulation means and exhaust post-treatment device（The exhaust post-treatment device of especially particle separator form）.As common that
Sample, additional compressor is used for providing the extra fresh air being compressed for electromotor, wherein during engine start-up phase
Open the pipeline that additional compressor is connected with inlet manifold for this by control valve.In start-up period（This start-up period is about
Continue one to two seconds）Afterwards, switching control valve is so that be conducted through using the partial air flow that assist type compressor is compressed
Heat exchanger and in heat exchanger by recirculation waste gas be heated, this waste gas is cooled at the same time.Being compressed and quilt
The partial air flow of heating is then fed to exhaust post-treatment device, there to keep the temperature at about 600 DEG C
High level is so that the pressure loss that can compensate for the hot recycling because particle separator is carried out in gas extraction system and occur.Attached
Pressurization mechanism of qi or auxiliary blower also have other functions outside being in addition to start miscellaneous function, compensate by exhaust after-treatment system
Pressure loss in the offgas or back pressure that system causes.
Content of the invention
Thus set out, the task of the present invention is to make such Diesel engine improve work(in the way of simple and with low cost
Rate.
It is this on the scavenging gas high-pressure side of turbocharger stage according to the Diesel engine of the present invention（Correspondingly exist
Between the outfan of compressor and entry of combustion chamber）There is the compensation device not driven by turbocharger stage, that is, at least one
Individual auxiliary blower, for after when being pressurized to a number of combustor, assisted turbocharger level is to compensate by waste gas
The back pressure that processing system causes.It is low by the waste gas in turbocharger or turbocharger stage that auxiliary blower is used herein to compensation
The exhausted gas post-processing system back pressure in the offgas causing on pressure side and the energy that thus reduces use for turbocharger stage
Pressure reduction, more specifically passes through the assisted turbocharger when being pressurized to a number of combustor on scavenging gas high-pressure side
Level is compensating.
Thus, exhausted gas post-processing system can be designed to than exist in volume this compensation equipment situation less,
So that generally form smaller structure size electromotor and for exhausted gas post-processing system cost relatively low.In smaller structure
In the case of size, the compensation device of here particularly motorized motions is suitable.As long as however, the drive mechanism of compensation device
Be not coupled in the turbocharger according to the Diesel engine of the present invention, that is, outside or with this turbocharger independently work
Make it is also possible to consider other drive mechanisms, for example independent relatively miniature diesel engine.Certainly can also use from accumulation of energy for this
The form of energy that device obtains, such as electric energy or steam, it is produced by the Diesel engine according to the present invention eventually, for example, pass through useless
Steam generator in gas after-treatment system produces, as long as turbocharger stage is not thus by application of load.
It is contemplated that different devices is as the compensation device on the scavenging gas high-pressure side of turbocharger stage.For example, may be used
To arrange the one or more motor acting on the turbine wheel shaft of each turbocharger.Additionally, it is contemplated that acetyl setting high pressure
Container, this high-pressure bottle is arranged on the scavenging gas high-pressure side of turbocharger stage or to from turbocharger stage and logical
To some scavenging gas pipeline supplies of entry of combustion chamber, this high-pressure bottle is by the compressor not driven by turbocharger stage
Device is supplied to scavenging gas, and this high-pressure bottle supplies to a number of combustor in the whole load range of electromotor
Give, so to improve scavenging gas volume flow.
However, it is preferred that being provided with unrelated with turbocharger stage on the scavenging gas high-pressure side of turbocharger stage
Auxiliary blower or one or more auxiliary compressor not driven by turbocharger that ground drives, for some
Combustor supercharging when assisted turbocharger level, this auxiliary blower is designed for holding in the whole load range of electromotor
Reforwarding row, that is, not only when starting and in the range of the low localised load of Diesel engine but in Diesel engine
This auxiliary blower can be used in whole load range.This auxiliary blower here be directed to each be derived from turbocharger and
The scavenging gas pressure duct leading to combustor has single auxiliary ventilator or auxiliary compressor, or is only carrying a whirlpool
It is configured to single auxiliary compressor in the case of the electromotor of wheel supercharger.The drive mechanism here of auxiliary blower can be different
Ground construction, for example, realized using steam turbine.It is however preferable that electronic drive mechanism.
Additionally, achieving the diesel engine according to the present invention in the case that auxiliary blower carries motor operated driving mechanism
The particularly advantageous improvement project of machine.Therefore, auxiliary blower can be used simultaneously as starting auxiliary blower, this starting auxiliary drum
Blower fan is present in from turbocharger stage to a number of combustor in such large-sized diesel motor（One or many
Individual）In scavenging gas pressure duct, so that with scavenging gas in diesel engine starting and in the range of low localised load
Body assists corresponding turbocharger when combustor is pressurized.Therefore it is no longer necessary to setting individually starts auxiliary blower, this
It is because that the task of dynamic auxiliary aerator can together be born by the auxiliary blower as compensation device.The drive of auxiliary blower
The control device here of motivation structure can be designed as, and this auxiliary blower is driven in whole engine load range, that is, exist
Bear in the range of full load and in the range of high localised load and in diesel engine starting and in the low local of Diesel engine
Equally driven in the range of lotus, described low localised load scope is typically in the 20%-40% of full engine load（Such as electromotor
Full-power 25%）Following load range.
Individually start auxiliary blower therefore can be removed.Can be in bavin in order to auxiliary blower is designed such as it
Use in the whole load range of oil turbine, this auxiliary blower must have drive mechanism, and this drive mechanism is sufficiently strongly
Make auxiliary blower continuous service during the whole service persistent period of Diesel engine, and this auxiliary blower must set
Put drive dynamic control device, even if this drive dynamic control device is in the whole load range of Diesel engine, exceeding low local
Auxiliary blower is still made to run in the load range of load range.The motor of common starting auxiliary blower is as noted above
Cross weak and can burn out in continuous service.For example, the motor of about double power（Even if being used in conventional starting to assist air blast
Motor in machine）It is proved as being suitable.
Such existing Diesel engine has：At least one is increased by the turbine that the waste gas of Diesel engine is driven
Depressor level, for being pressurized to a number of combustor with scavenging gas；And at least one is arranged in turbocharger stage
Exhausted gas post-processing system in waste gas low-pressure side, for carrying out noise reduction, cleaning and/or washing and/or being used for by useless to waste gas
Producing steam or heat, this exhausted gas post-processing system has the heat comprising in gas：Such as steam generator or exhaust scrubber
Unit, waste gas is conducted through described unit；And it is arranged in the starting auxiliary air blast on the scavenging gas high-pressure side of stage of turbine
Machine, is assisted necessarily using this starting auxiliary blower when electromotor starts and in the range of the low localised load of Diesel engine
The supercharging of the combustor of quantity, said low localised load scope is especially up to the 20%-40% of full engine load, for example
Reach the 25% of full engine load, thus according to the present invention, for compensate by exhausted gas post-processing system cause in the offgas
Back pressure can be extremely simple and become with for compensating the compensation device of the pressure reduction that the energy that thus reduces uses for turbocharger stage
On the scavenging gas high-pressure side of turbocharger stage, its mode is this cheap ground downstream equipment：Start the electricity of auxiliary ventilator
Motivation or the motor in the case of having multiple starting auxiliary ventilators are replaced by the higher motor of one or more power
Change, the motor of about double power is especially set and is used for（One or more）The control device of electric motor of motor, should
Control device of electric motor sets and starts continuous service in the whole load range of Diesel engine for the auxiliary blower, Er Feiru
As common at present, start the low localised load scope only when electromotor starts and in Diesel engine for the auxiliary blower
Interior operation, thus to be avoided that motor burns out.For example not only rotating speed is higher and also situation that fan impeller is relatively large in diameter
Under, can also replace, with starting the motor of auxiliary ventilator or compressor, machine equipment of entirely calming the anger if necessary.
In the Diesel engine according to the present invention or in the Diesel engine retrofited according to the method according to the invention,
Here is no longer necessary to arrange air exhauster so that on the one hand can compensate auxiliary in starting in the waste gas low-pressure side of turbocharger stage
Help the investment in the larger drive mechanism of aerator and on the other hand can realize the further of the physical dimension of whole electromotor
Reduce.
Here, the present invention can use returning in the electromotor drawing in or without waste gas.However, be located to lead to starting
Ventilation blower in the waste gas backward channel of machine air inlet side or the aerator positioned at there can not be as under meaning of the present invention
Compensation device or be transformed into compensation device.Because otherwise can deposit in the scavenging gas being conveyed to a number of combustor
Waste gas in excessive recirculation.
Brief description
Additionally, illustrate the structure of the Diesel engine according to the present invention in more detail by appended schematic diagram.
Fig. 1 illustrates the schematic diagram of the Diesel engine according to the present invention.
Specific embodiment
Here, indicate the combustor of electromotor with reference 1, scavenging gas pass through scavenging gas catcher 9 not detailed
It is conveyed to this combustor, and the outlet valve that waste gas is not equally shown specifically by it from this combustor at the air inlet carefully illustrating
It is emitted in exhaust gas collector 8.Waste gas is fed to the turbo-side of turbocharger stage 2,3.Reference 3 indicates that here is only shown
The turbine of the turbocharger 2,3 shown in example property, reference 2 indicates the compressor of this turbocharger 2,3.Here, along stream
Dynamic direction is arranged in the waste gas low-pressure side in turbine 3 downstream and is provided with exhausted gas post-processing system 4,5, and this exhausted gas post-processing system has
There is steam generator 4, waste gas is conducted through this steam generator, to produce steaming using the waste heat being present in waste gas
Vapour.This steam thus for example be used in the generating set of ship of this electromotor is installed generate electricity.Additionally, in steam generation
Device downstream is exhaust scrubber 5, to remove the sulfur included in waste gas.
On scavenging air conveyor side, aspirated fresh air is compressed by the compressor 2 of turbocharger 2,3（Sweep
Gas air）Or by fresh air and return the scavenging gas that the waste gas that draws constitutes and so that it is subsequently entered in cooler 10, cold
But in device 10, scavenging gas are cooled and are doped with water.
Streamwise has auxiliary blower 6 in the arranged downstream of cooler 10, and this auxiliary blower 6 passes through motor 7
During the whole persistent period that electromotor runs（I.e. in the whole load range of electromotor）Driven, to compensate useless
Pressure loss in gas low-pressure side and thus by scavenging air or the scavenging gas that are made up of admixture of gas bring up to higher
Stress level and/or increase and be conveyed to the scavenging gas volume flow of scavenging gas catcher, from scavenging gas catcher again
Scavenging gas or scavenging air are given combustor 1.
Can be with the embodiment shown in variants and modifications, without departing from the scope of the present invention.
Then, for example it is also contemplated that, not Diesel engine run the whole persistent period during or not in bavin
Use compensation device in the whole load range of oil turbine, or be provided with least one potential mechanism, for on rule
The situation needing not compensate for device in fixed time window or a part of load range is turned off.
In addition it is also possible to consider, by the present invention using in the whirlpool of turbo-charged gasoline electromotor or other internal combustions
In wheel supercharged engine.
Claims (12)
1. a kind of Diesel engine, has：
The turbocharger stage (2,3) that at least one is driven by the waste gas of Diesel engine, for scavenging gas to certain
Combustor (1) supercharging of quantity,
At least one is arranged in the exhausted gas post-processing system in the waste gas low-pressure side of turbocharger stage (2,3), for waste gas
Carry out noise reduction, cleaning and/or washing and/or for produce steam and/or heat, described waste gas by the heat included in waste gas
After-treatment system has a number of unit, i.e. steam generator (4), exhaust scrubber (5), catalyst converter and/or deafener,
Waste gas is conducted through described unit, and
The compensation device not driven by turbocharger stage, that is, at least one is independently driven with turbocharger stage (2,3)
Auxiliary blower (6), for compensating the back pressure in the offgas that caused by exhausted gas post-processing system,
It is characterized in that,
Auxiliary blower (6) is guiding to described from turbocharger stage (2,3) in the arranged downstream of turbocharger stage (2,3)
A number of combustor (1), in scavenging gas on high-tension side pipeline section, and auxiliary blower is designed for
Continuous service in the whole load range of Diesel engine and when being pressurized to described a number of combustor auxiliary turbine
Supercharger level (2,3), to be mended with will pass through the assisted turbocharger level (2,3) when being pressurized to described a number of combustor
Repay the pressure reduction that the energy on the scavenging gas high-pressure side of turbocharger stage (2,3) uses for turbocharger stage (2,3) with
The reduction that exhaust after-treatment occurs.
2. Diesel engine according to claim 1 it is characterised in that each combustor (1) be equipped be arranged in from
The turbocharger of turbocharger stage (2,3) guides the auxiliary air blast to the scavenging gas pressure duct of this combustor (1)
Machine (6).
3. Diesel engine according to claim 2 is it is characterised in that auxiliary blower (6) is designed and is controlled to make
Obtain this auxiliary blower also as starting auxiliary blower (6) work, using this starting auxiliary blower when electromotor starts
And assist the supercharging of described a number of combustor (1) in the range of the low localised load of Diesel engine, wherein said
Low localised load scope reaches the 20%-40% of full engine load.
4. Diesel engine according to claim 3 is it is characterised in that in addition to auxiliary blower (6), from turbine
Supercharger level (2,3) guide to one of described a number of combustor (1), do not set in the on high-tension side pipeline of scavenging gas
Put other starting auxiliary blower.
5. Diesel engine according to claim 4 is it is characterised in that auxiliary blower (6) has：Drive mechanism, should
Drive mechanism sufficiently strong so that auxiliary blower (6) continuous service；And drive dynamic control device, this drive dynamic control device makes auxiliary
Aerator (6) is even if still run in the load range exceeding low localised load scope of Diesel engine.
6. Diesel engine according to claim 5 is it is characterised in that described drive dynamic control device makes auxiliary blower
(6) in whole engine load range, i.e. in the range of full load and in the range of high localised load with low localised load
In the range of the same run with when starting.
7. the Diesel engine according to one of claim 1 to 6 is it is characterised in that useless in turbocharger stage (2,3)
It is not provided with air exhauster in gas low-pressure side.
8. the Diesel engine according to one of claim 1 to 6 is it is characterised in that compensation device has：At least one cloth
Put the high-pressure bottle on the scavenging gas high-pressure side of turbocharger stage, even if to reach electromotor complete exceeding for this high-pressure bottle
Still supply to described a number of combustor in the engine load range of low localised load scope of the 20%-40% of load
Scavenging gas to high-pressure volume flow；And the compressor apparatus not driven by turbocharger stage, by this compressor
Device supplies scavenging gas to high-pressure bottle.
9. the Diesel engine according to one of claim 1 to 6 is it is characterised in that described Diesel engine is large-scale bavin
Oil turbine.
10. Diesel engine according to claim 9 is it is characterised in that auxiliary blower (6) is electrically driven.
A kind of 11. methods for improving diesel engine acc power, this Diesel engine has：
The turbocharger stage (2,3) that at least one is driven by the waste gas of Diesel engine, for scavenging gas to certain
Combustor (1) supercharging of quantity,
At least one is arranged in the exhausted gas post-processing system in the waste gas low-pressure side of turbocharger stage (2,3), for waste gas
Carry out noise reduction, cleaning and/or washing and/or for produce steam and/or heat, described waste gas by the heat included in waste gas
After-treatment system has a number of unit, i.e. steam generator (4), exhaust scrubber (5), catalyst converter and/or deafener,
Wherein waste gas is conducted through described unit, and
It is arranged in the auxiliary blower (6) on the scavenging gas high-pressure side of turbocharger stage (2,3), assist air blast using starting
Machine assists described a number of combustor when electromotor starts and in the range of the low localised load of Diesel engine
Supercharging, wherein said low localised load scope reaches the 20%-40% of full engine load,
It is characterized in that,
Replace the motor of auxiliary blower (6) by the higher motor of power,
By the control device of electric motor of the motor of auxiliary blower (6) from making this motor only when electromotor starts and in bavin
The control device of electric motor remodeling running in the range of the low localised load of oil turbine or reprogramming become this motor of setting to exist
The control device of electric motor of continuous service during diesel engine starting and in the whole load range of Diesel engine.
12. methods according to claim 11 are it is characterised in that the higher motor of described power is about double power
Motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012009318.7A DE102012009318B4 (en) | 2012-05-10 | 2012-05-10 | Diesel engine and method for increasing the performance of an existing diesel engine |
| DE102012009318.7 | 2012-05-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103388524A CN103388524A (en) | 2013-11-13 |
| CN103388524B true CN103388524B (en) | 2017-03-01 |
Family
ID=49475256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310169690.9A Active CN103388524B (en) | 2012-05-10 | 2013-05-10 | Diesel engine and the method for improving diesel engine acc power |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5918722B2 (en) |
| KR (1) | KR101763673B1 (en) |
| CN (1) | CN103388524B (en) |
| DE (1) | DE102012009318B4 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3217002A1 (en) * | 2016-03-09 | 2017-09-13 | Ford Global Technologies, LLC | Method and system for providing torque-assist |
| EP3267017A1 (en) * | 2016-07-05 | 2018-01-10 | Winterthur Gas & Diesel AG | Method for operating a dual fuel large diesel engine and large diesel engine |
| JP7129755B2 (en) * | 2016-11-30 | 2022-09-02 | 三菱重工業株式会社 | marine diesel engine |
| DE102017207878A1 (en) * | 2017-05-10 | 2018-11-15 | Bayerische Motoren Werke Aktiengesellschaft | Charging device for an internal combustion engine of a motor vehicle, and method for operating such a charging device |
| CN108757154A (en) * | 2018-05-25 | 2018-11-06 | 上海永耐商贸有限公司 | Dynamoelectric compressor and turbocharger tandem pressure charging system |
| CN110425059A (en) * | 2019-06-28 | 2019-11-08 | 潍柴动力股份有限公司 | A kind of EGR mixer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1526455A1 (en) * | 1966-10-08 | 1970-02-12 | Maschf Augsburg Nuernberg Ag | Supercharged internal combustion engine |
| DE4128642A1 (en) * | 1991-08-29 | 1993-03-04 | Mailaender Fa J G | Turbocharged diesel engine with stepped gearing to compressor - allows variation in speed of crankshaft-driven displacement compressor adjusted automatically in accordance with engine temp. |
| CN101503981A (en) * | 2007-11-12 | 2009-08-12 | 德国曼商用车辆股份公司 | Internal combustion engine with AGR cooler |
| CN101553648A (en) * | 2007-05-03 | 2009-10-07 | 曼狄赛尔公司，德国曼柴油机欧洲股份公司的联营公司 | Large supercharged diesel engine with scr reactor |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1966223A1 (en) * | 1968-02-07 | 1971-12-30 | Vehicule Ind Et D Equipements | Internal combustion engine with self-ignition and charging |
| JPS60134828U (en) * | 1984-02-18 | 1985-09-07 | 三菱重工業株式会社 | Marine supercharged engine |
| JPH0579334A (en) * | 1989-01-12 | 1993-03-30 | Toshio Aida | Supercharge engine |
| DE10140120A1 (en) * | 2001-08-16 | 2003-03-06 | Bosch Gmbh Robert | Method and device for operating an internal combustion engine |
| DE102004001371A1 (en) * | 2004-01-09 | 2005-08-04 | Audi Ag | Internal combustion engine with exhaust gas feedback has additional compressor in series with induction compressor and upstream of opening whose function can be reversed for operation as expander |
| GB2410060A (en) * | 2004-01-14 | 2005-07-20 | Lotus Car | A two-stroke compression-ignition internal combustion engine |
| FI120213B (en) | 2005-10-21 | 2009-07-31 | Stx Finland Cruise Oy | Process and arrangement for treating input air and exhaust gases of an internal combustion engine |
| JP2007278189A (en) * | 2006-04-07 | 2007-10-25 | Toyota Motor Corp | Start control device for internal combustion engine |
| JP2008151051A (en) * | 2006-12-19 | 2008-07-03 | Mazda Motor Corp | Control device for engine |
| JP2010121469A (en) * | 2008-11-17 | 2010-06-03 | Toyota Motor Corp | Exhaust emission control device |
| DE102009010808B3 (en) | 2009-02-27 | 2010-08-19 | Man Diesel Filial Af Man Diesel Se, Tyskland | Method and apparatus for cleaning engine exhaust |
| JP2011144766A (en) * | 2010-01-15 | 2011-07-28 | Mitsubishi Heavy Ind Ltd | Exhaust gas denitration system and ship equipped therewith, and control method for the exhaust gas denitration system |
| GB2480240A (en) * | 2010-05-10 | 2011-11-16 | Gm Global Tech Operations Inc | Turbocharged diesel engine with long-route EGR and an auxiliary intake compressor |
| JP5121892B2 (en) * | 2010-08-04 | 2013-01-16 | エムエーエヌ・ディーゼル・アンド・ターボ・フィリアル・アフ・エムエーエヌ・ディーゼル・アンド・ターボ・エスイー・ティスクランド | Large turbocharged diesel engine with energy recovery configuration |
| JP5612959B2 (en) * | 2010-08-10 | 2014-10-22 | 川崎重工業株式会社 | Marine prime mover system |
| JP5787500B2 (en) * | 2010-08-24 | 2015-09-30 | 三菱重工業株式会社 | Engine exhaust gas purification device and ship |
| JP2012071710A (en) * | 2010-09-29 | 2012-04-12 | Mitsui Eng & Shipbuild Co Ltd | Method of controlling operation of ship, and ship |
-
2012
- 2012-05-10 DE DE102012009318.7A patent/DE102012009318B4/en active Active
-
2013
- 2013-05-07 JP JP2013097959A patent/JP5918722B2/en active Active
- 2013-05-08 KR KR1020130051909A patent/KR101763673B1/en active IP Right Grant
- 2013-05-10 CN CN201310169690.9A patent/CN103388524B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1526455A1 (en) * | 1966-10-08 | 1970-02-12 | Maschf Augsburg Nuernberg Ag | Supercharged internal combustion engine |
| DE4128642A1 (en) * | 1991-08-29 | 1993-03-04 | Mailaender Fa J G | Turbocharged diesel engine with stepped gearing to compressor - allows variation in speed of crankshaft-driven displacement compressor adjusted automatically in accordance with engine temp. |
| CN101553648A (en) * | 2007-05-03 | 2009-10-07 | 曼狄赛尔公司，德国曼柴油机欧洲股份公司的联营公司 | Large supercharged diesel engine with scr reactor |
| CN101503981A (en) * | 2007-11-12 | 2009-08-12 | 德国曼商用车辆股份公司 | Internal combustion engine with AGR cooler |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013234663A (en) | 2013-11-21 |
| DE102012009318A1 (en) | 2013-11-14 |
| CN103388524A (en) | 2013-11-13 |
| JP5918722B2 (en) | 2016-05-18 |
| KR101763673B1 (en) | 2017-08-01 |
| DE102012009318B4 (en) | 2021-05-06 |
| KR20130126499A (en) | 2013-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103388524B (en) | Diesel engine and the method for improving diesel engine acc power | |
| JP5701016B2 (en) | Engine exhaust gas purification device | |
| JP4588047B2 (en) | Internal combustion engine with secondary air blowing device | |
| JP4592816B2 (en) | Large turbocharged diesel engine with SCR reactor | |
| JP5820523B2 (en) | Large low-speed turbocharged two-stroke internal combustion engine having a crosshead and an exhaust gas recirculation system, and an operation method thereof | |
| CN102282352B (en) | Drive device | |
| CN104411960B (en) | Internal combustion engine with exhaust gas system and gas recirculation system | |
| KR20150114585A (en) | Engine exhaust-gas purification device | |
| CN106795805A (en) | Supercharging equipment for explosive motor and the operating method for supercharging equipment | |
| CN104005817B (en) | Internal combustion engine | |
| CN104321510A (en) | Turbocharger turbine booster | |
| CN105464852B (en) | Gas handling system for engine | |
| WO2011007303A1 (en) | System and method for enhancing engine performance | |
| JP2013234668A (en) | Combustion engine | |
| CN102562262B (en) | With the supercharging device of the integral features for EGR gas | |
| KR20200094050A (en) | System and method for exhaust gas after treatment | |
| CN103362606A (en) | Exhaust aftertreatment and exahust gas recirculation systems | |
| CN104487694A (en) | Silencer for supercharger | |
| CN103890367A (en) | An internal combustion engine and method of operating an internal combustion engine | |
| US11572673B2 (en) | Work vehicle power system with decoupled engine air system components | |
| CN205477913U (en) | Electric turbocharger | |
| CN201326456Y (en) | Gas engine power generation muffler | |
| CN102080596B (en) | Explosive motor equipped with plenum chamber of variable capacitance and operating method therefor | |
| KR101307311B1 (en) | Exhaust gas treating equipments | |
| CN203248235U (en) | Exhaust system, engine comprising exhaust system and automobile comprising exhaust system |
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 |