CN104018957B - Internal combustion engine, ERG and the method recycled for waste gas - Google Patents
Internal combustion engine, ERG and the method recycled for waste gas Download PDFInfo
- Publication number
- CN104018957B CN104018957B CN201410059508.9A CN201410059508A CN104018957B CN 104018957 B CN104018957 B CN 104018957B CN 201410059508 A CN201410059508 A CN 201410059508A CN 104018957 B CN104018957 B CN 104018957B
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- Prior art keywords
- waste gas
- internal combustion
- combustion engine
- sulfur
- cooler
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Classifications
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
-
- 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
- F02B37/013—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in series
-
- 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
- F02B37/004—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust drives arranged in series
-
- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The present invention relates to a kind of internal combustion engine, ERG and the method recycled for waste gas, internal combustion engine, the engine with multiple cylinders is carried and with the supercharging device with least one turbocharger with the internal combustion engine of heavy oil operation, wherein, leave cylinder and can be conveyed to supercharging device waste gas can by means of the ERG including at least one cooler for recycled exhaust gas supercharging device upstream diverge and can be mixed after cooling with the pressurized air of compression, and wherein, at least one additive can be introduced into cooler for recycled exhaust gas (waste gas guided by ERG is cooled under the sour dew-point temperature of sulfur-bearing by the it) upstream in the waste gas guided by ERG, the sulfur oxide of additive combination waste gas and/or in and the acid of sulfur-bearing that is produced when cooling down waste gas.
Description
Technical field
The present invention relates to a kind of internal combustion engine.In addition, the present invention relates to a kind of ERG for internal combustion engine
(Abgasrueckfuehrungsvorrichtung) and it is a kind of be used at internal combustion engine waste gas recycle method.
Background technology
There is the feature in the internal combustion engine with heavy oil operation, i.e., there is used fuel (i.e. heavy oil) higher sulphur to contain
Amount.Sulfur oxide can react and cause at component (waste gas purification apparatus of such as internal combustion engine) place of internal combustion engine with other compositions of waste gas
Deposition.
A kind of internal combustion with supercharging device and waste gas purification apparatus as known to the A1 of file DE 10 2,004 027 593
Machine.Supercharging device be embodied as single-stage or for two-stage supercharging device.Waste gas purification apparatus is catalyzed including at least one SCR
Device, its turbine downstream that exhaust-driven turbo-charger exhaust-gas turbo charger is positioned in single-stage boosting device or the turbine in exhaust-driven turbo-charger exhaust-gas turbo charger
Upstream.In the supercharging device of two-stage, SCR catalyst is positioned at the high pressure of high pressure exhaust gas turbocharger according to the prior art
Between turbine and the low-pressure turbine of low pressure exhaust gas turbocharger.
As known to the application in passenger car and commercial car internal combustion is further reduced by using the recycling of so-called waste gas
The waste gas discharge of machine.
The content of the invention
At the internal combustion engine with heavy oil operation using waste gas recycle however be problematic.Thus transported so far with heavy oil
Waste gas recycling can not be utilized at capable internal combustion engine.This is particularly based on this, i.e., waste gas to be led back in waste gas recycling passes through
Cooler for recycled exhaust gas is cooled under the sour dew-point temperature of sulfur-bearing so that component and internal combustion that so waste gas is recycled
The component of machine can be in contact with the acid of sulfur-bearing and thus because the sour extremely strong corrosiveness of sulfur-bearing is damaged.Based on this,
Present invention aims at provide it is a kind of with the new-type internal combustion engine of heavy oil operation, a kind of be used for the new-type useless of such internal combustion engine
Gas EGR and a kind of new-type method for the waste gas recycling at such internal combustion engine.
The purpose is realized by the internal combustion engine according to the present invention.According to the internal combustion engine of the present invention, i.e. with heavy oil operation
Internal combustion engine carries the engine with multiple cylinders and with the supercharging device with least one turbocharger, and its feature exists
In leaving the cylinder and the waste gas of the supercharging device can be conveyed to and cooled down by means of being recycled including at least one waste gas
The ERG of device can the supercharging device upstream diverge and after cooling can be with compression pressurized air
Mixing, and the waste gas guided by the ERG can be cooled to the acid of sulfur-bearing by least one additive
Dew-point temperature under cooler for recycled exhaust gas upstream be introduced into the waste gas guided by the ERG, institute
State additive combination waste gas sulfur oxide and/or in and the acid of sulfur-bearing that is produced when cooling down waste gas.Carried using the present invention
Go out using waste gas recycling at the internal combustion engine with heavy oil operation, wherein, thus make it possible this, that is, introduce an additive into logical
Cross gas recirculation system guiding waste gas in, the sulfur oxide of additive combination waste gas and/or in and cooling waste gas when
The acid of the sulfur-bearing of generation.Thus component or the piston of cylinder that waste gas is recycled so is avoided to be contacted with the acid of sulfur-bearing.Can be effective
These components are resisted due to the damage of corrosion in ground.
Preferably, the sulfur oxide of the or each additive and waste gas and/or with the acid of sulfur-bearing that is produced when cooling down waste gas
Reacted in the case where constructing water miscible reaction product, reaction product is placed in the or each cooler for recycled exhaust gas after
Droplet separator (Tropfenabscheider) can together with condensed water from ERG export.Sulfur oxide and/or contain
Acid reaction generation water miscible reaction product and water miscible reaction product the leading by droplet separator together with condensed water of sulphur
It is simple, effective and preferred in structure to go out.
Scheme is advantageously improved according to the one of the present invention, ERG has the first cooler for recycled exhaust gas
(it will be useless for (waste gas is cooled in the temperature on the sour dew-point temperature of sulfur-bearing by it) and the second cooler for recycled exhaust gas
Air cooling is in the sour temperature below the dew point temperature in sulfur-bearing).The or each additive is passing through ERG
Observed on the flow direction of the waste gas guided the second cooler for recycled exhaust gas upstream and the first waste gas recycle it is cold
But device downstream or alternatively it is introduced into waste gas in the first cooler for recycled exhaust gas upstream.The embodiment with heavy oil for being transported
Capable internal combustion engine is particularly preferred.With reference to waste gas sulfur oxide and/or in and the sulfur-bearing that produces when cooling down waste gas
The or each additive of acid is preferably introduced into waste gas between the two cooler for recycled exhaust gases.
It is proposed according to the present invention to a kind of ERG for internal combustion engine, it is used for internal combustion engine, is used for
With the internal combustion engine of heavy oil operation.According to the present invention, the waste gas for leaving the cylinder of internal combustion engine can be by means of at least one waste gas again
Recirculation cooler is cooled down, and in the cooler for recycled exhaust gas upstream being cooled to waste gas under the sour dew-point temperature of sulfur-bearing
At least one additive can be introduced, its combine waste gas sulfur oxide and/or in and the sulfur-bearing that produces when cooling down waste gas
Acid.
It is proposed according to the present invention to a kind of be used for the method that waste gas is recycled at internal combustion engine.According to the present invention, leave
The waste gas of the cylinder of internal combustion engine is cooled down by means of at least one cooler for recycled exhaust gas, and waste gas is being cooled into sulfur-bearing
Sour dew-point temperature under cooler for recycled exhaust gas upstream introduce at least one additive, its combine waste gas sulfur oxide
And/or in and the acid of sulfur-bearing that is produced when cooling down waste gas.
Brief description of the drawings
The preferred improvement project of the present invention is drawn in dependent claims and ensuing explanation.Come with reference to the accompanying drawings in detail
It is thin to illustrate embodiments of the invention, and it is not limited to this.Wherein：
Fig. 1 shows the schematical diagram of the first internal combustion engine according to the present invention；And
Fig. 2 shows the schematical diagram of the second internal combustion engine according to the present invention.
List of numerals
10 internal combustion engines
11 engines
12 cylinders
13 pressurized airs
14 waste gas
15 supercharging devices
16 turbocharger
17 turbocharger
18 turbines
19 turbines
20 compressors
21 compressors
22 charger-air coolers
23 ERGs
24 exhaust gas recirculation valve
25 cooler for recycled exhaust gases
26 cooler for recycled exhaust gases
27 additives
28 nozzles
29 droplet separators
30 condensed waters
31 air blowers
32 ammonia generators
33 nozzles
34 additives
35 hydrolysis catalysts.
Embodiment
Here the present invention relates to a kind of with the internal combustion engine of heavy oil operation, especially marine diesel engine.
Fig. 1 shows the schematical diagram of the first embodiment of the internal combustion engine 10 with heavy oil operation according to the present invention,
Wherein, internal combustion engine 10 includes the engine 11 with multiple cylinders 12.Heavy oil is used as fuel quilt in the cylinder 12 of internal combustion engine 10
The pressurized air 13 of compression, the cylinder 12 of internal combustion engine 10 is conveyed to this by burning in addition in addition to heavy oil.It will be fired in heavy oil
The waste gas 14 produced during burning is exported from the cylinder 12 of internal combustion engine 10.
Shown internal combustion engine 10 has supercharging device 15 in Fig. 1, and it includes two turbines and increased in an illustrated embodiment
Depressor 16 and 17.First turbocharger 16 is embodied as so-called high pressure turbocharger and the second turbocharger 17 is embodied as
So-called low pressure turbocharger.The waste gas 14 for leaving the cylinder 12 of internal combustion engine 10 arrives first at the height of high pressure turbocharger 16
Press in the region of turbine 18 and next arrive in the region of low-pressure turbine 19 of low pressure turbocharger 17.
In the turbine 18 and 19 of turbocharger 16 and 17 waste gas 14 is set gradually to be depressured, wherein, it will be obtained herein
Energy is to the pressurized air 13 that gradually reduced in the compressor 20 or 21 of turbocharger 16,17.Thus low-pressure turbine is pressurized
Device 17 includes low pressure compressor 21 and high pressure turbocharger 16 includes high pressure compressor 20.In the every of turbocharger 16,17
Individual compressor 20,21 downstreams are respectively disposed with charger-air cooler 22.
Thus it should be noted that (it includes two turbocharger different from supercharging device 15 shown in Fig. 1
16th, 17), it is also possible to use single-stage or the supercharging device more than two-stage.In addition, according to the internal combustion engine with heavy oil operation of the present invention
10 can have unshowned waste gas purification apparatus.Such waste gas purification apparatus has at least one unshowned exhaust fume catalytic
Device, thus for example with SCR catalyst.Additionally, waste gas purification apparatus may include particulate filter.
ERG 23 is had according to the internal combustion engine 10 of the present invention.Can be useless by means of ERG 23
Gas recycle valve 24 open when observed on the flow direction of waste gas 14 for leaving cylinder 12 the or each turbocharger 16,
17 upstreams make waste gas be diverged from waste gas stream, wherein, the waste gas quilt diverged in the embodiment in figure 1 by ERG 23
Guiding passes through two cooler for recycled exhaust gases 25 and 26.Cooler for recycled exhaust gas 25 will pass through ERG herein
The waste gas of 23 guidings is cooled in the temperature on the sour dew-point temperature for being in sulfur-bearing.Second cooler for recycled exhaust gas 26 is
The waste gas guided by ERG 23 is cooled in the sour temperature below the dew point temperature of sulfur-bearing.
According to the present invention, additive is introduced in the waste gas guided by ERG 23, it combines waste gas
Sulfur oxide SOXAnd/or in and the acid of sulfur-bearing that is produced when cooling down waste gas.
In the embodiment in figure 1, i.e., the additive 27 is being passed through into ERG by means of nozzle 28 in Fig. 1
Observe and recycled in the downstream of the first cooler for recycled exhaust gas 25 in the second waste gas cold on the flow direction of the waste gas of 23 guidings
But the upstream of device 26 is introduced into waste gas.
The sulfur oxide SO of the or each additive 27 being introduced into waste gas and waste gasXAnd/or with when cooling down waste gas the
The acid of the sulfur-bearing produced in the region of two cooler for recycled exhaust gases 26 reacts in the case where constructing water miscible reaction product.
The water miscible reaction product can (it be in the flow direction of the waste gas guided by ERG 23 by droplet separator 29
The second cooler for recycled exhaust gas 26 and therefore also the first cooler for recycled exhaust gas 25 are placed in after upper) together with condensed water by
Exported from ERG 23.In Fig. 1, derived condensed water and it is dissolved in cold from ERG 23
Reaction product (it includes the sulfur oxide and/or the acid of sulfur-bearing of the or each additive and waste gas) in solidifying water utilizes reference
30 represent.
Guided in the downstream of droplet separator 29 on the direction to the cylinder 12 of internal combustion engine 11 by ERG 23
Waste gas do not have sulfur oxide and/or without sulfur-bearing acid and thus can without problems by means of air blower 31 by with compression
Pressurized air 13 is mixed.The cylinder 12 of component and internal combustion engine 10 in the absence of ERG 23 and the sulfur oxide of waste gas
And acid reaction with sulfur-bearing and the risk for being subjected to the corrosion relevant with this.
Preferably by nozzle 28 by ammoniacal liquor NH4OH and/or ammonium carbonate (NH4)2CO3And/or ammonium hydrogen carbonate NH4CHO3With/
Or sodium hydroxide NaOH and/or sodium carbonate Na2CO3And/or potassium hydroxide KOH and/or potassium carbonate KCO2Introduced as additive 27
In waste gas.The sulfur oxide SO of corresponding additive and waste gasXAnd/or the acid reaction of the sulfur-bearing with being produced when cooling down waste gas is generated
Water miscible alkaline (basisch) reaction product, then it can pass through droplet separator 29 and condensed water one as already mentioned
Rise and exported from ERG 23.
Exemplarily illustrate the sulfur oxide SO of corresponding additive and waste gas next for some additivesXAnd/or
The acid of sulfur-bearing generates the reaction chain of water miscible reaction product.
If by ammoniacal liquor NH4OH is used as additive, then realize that sulfur oxide is given birth to according to the reaction chain reaction of following exemplary
Into water miscible ammonium sulfate (NH4)2SO4：
NH4OH+SO2->NH4HSO3
NH4HSO3+NH3->(NH4)2SO3
(NH4)2SO3+½O2->(NH4)2SO4
If sodium hydroxide NaOH is used as into additive, then realize sulfur oxide reaction according to the reaction chain of following exemplary
Generate water miscible reaction product sodium sulphate (Natriumsulfat) NaHSO3：
SO2+H2O->H2HSO3
SO2+2NaOH->Na2SO3+H2O
SO2+Na2SO3+H2O->2NaHSO3
Sulfuric acid H2SO4Produced according to corresponding additive according to the water miscible reaction of reaction chain reaction generation of following exemplary
Thing：
H2SO4+(NH4)2CO3->(NH4)2SO3+CO2+H2O
H2SO4+2KOH->K2SO4+2H2O
H2SO4+K2CO3->K2SO4+CO2
H2SO4+Na2CO3->Na2SO4+CO2+H2O
Corresponding additive can also be introduced logical in the upstream of the first cooler for recycled exhaust gas 25 in the embodiment in figure 1
Cross in the waste gas that ERG 23 is guided.
Fig. 2 shows one embodiment of the invention, produces ammonia NH by ammonia generator 32 wherein3As additive and
The upstream of first cooler for recycled exhaust gas 25 is introduced into the waste gas guided by ERG 23, wherein, ammonia occurs
Device 32 has nozzle 33, and urea 34 or watery urea liquid are introduced into waste gas first by nozzle, and wherein, ammonia occurs
Device 32 includes hydrolysis catalyst 35 in addition, so that the urea or watery urea liquid that are introduced into waste gas are in hydrolysis catalyst 35
In change into vapor, carbon dioxide and ammonia.
Then ammonia be used for the sulfur oxide and/or the acid reaction of sulfur-bearing with waste gas as additive, to combine the oxygen of waste gas
Change sulphur and/or neutralize the acid of sulfur-bearing, wherein, water miscible reaction product is preferably produced in the reaction, and it can lead to again
Droplet separator 29 is crossed to be exported from ERG 23 together with condensate 30.
Utilize ERG 23 to be used for waste gas recycling in the internal combustion engine 10 with heavy oil operation to be correspondingly in
Here in meaning of the present invention, wherein, the sulfur oxide of waste gas and/or the acid of sulfur-bearing produced when cooling down waste gas be combined and/
Or be neutralized.Here, the introducing of additive is followed entering to be about to the waste gas that waste gas is cooled under the sour dew-point temperature of sulfur-bearing again
Realize the upstream of ring cooler 26.The surface of the cooler for recycled exhaust gas 26 can be used in corresponding additive and oxidation herein
Effective reaction between sulphur or the acid of sulfur-bearing.It can avoid in the internal combustion engine with heavy oil operation not permitting also so far using the present invention
Perhaps the etching problem recycled using waste gas.Thus by means of the present invention can in the internal combustion engine with heavy oil operation not for
Recycled in the case of the corrosion risk of the raising of the component of internal combustion engine using waste gas.
Claims (11)
1. a kind of internal combustion engine, i.e. with the internal combustion engine of heavy oil operation, it carries engine (11) and band with multiple cylinders (12)
There is the supercharging device (15) with least one turbocharger (16,17), it is characterised in that leave the cylinder (12) and energy
The waste gas (14) of the supercharging device (15) is enough conveyed to by means of including at least one cooler for recycled exhaust gas (25,26)
ERG (23) can the supercharging device (15) upstream diverge and after cooling can be with compression supercharging
Air (13) is mixed, and at least one additive (27,34) will can guided by the ERG (23)
Waste gas be cooled to cooler for recycled exhaust gas (26) upstream under the sour dew-point temperature of sulfur-bearing and introduce and pass through the waste gas
In the waste gas of EGR (23) guiding, the additive (27,34) combine waste gas sulfur oxide and/or in and cold
But the acid of the sulfur-bearing produced during waste gas.
2. internal combustion engine according to claim 1, it is characterised in that the additive (27,34) is water miscible anti-in construction
The acid reaction with sulfur oxide and/or with sulfur-bearing in the case of product is answered, the reaction product is placed in the waste gas after and followed again
The droplet separator (29) of ring cooler (25,26) can be exported together with condensed water from the ERG (23).
3. internal combustion engine according to claim 1 or 2, it is characterised in that the ERG (23) has：First
Cooler for recycled exhaust gas (25), waste gas is cooled in the temperature on the sour dew-point temperature of sulfur-bearing by it；It is useless with second
Gas recycle cooler (26), waste gas is cooled in the sour temperature below the dew point temperature of sulfur-bearing by it.
4. internal combustion engine according to claim 3, it is characterised in that the additive is passing through the ERG
(23) observed on the flow direction of the waste gas of guiding in the second cooler for recycled exhaust gas (26) upstream described first
Cooler for recycled exhaust gas (25) downstream is introduced into waste gas.
5. internal combustion engine according to claim 3, it is characterised in that the additive is passing through the ERG
(23) observed on the flow direction of the waste gas of guiding in the second cooler for recycled exhaust gas (26) upstream and described first
Cooler for recycled exhaust gas (25) upstream is introduced into waste gas.
6. internal combustion engine according to claim 1 or 2, it is characterised in that by nozzle (28) by ammoniacal liquor (NH4) and/or carbon OH
Sour ammonium ((NH4)2CO3) and/or ammonium hydrogen carbonate (NH4HCO3) and/or sodium hydroxide (NaOH) or sodium carbonate (Na2CO3) and/or hydrogen
Potassium oxide (KOH) and/or potassium carbonate (K2CO3) be introduced into as additive in waste gas.
7. internal combustion engine according to claim 1 or 2, it is characterised in that ammonia (NH3) by ammonia generator (32) by urea come
Produce and be introduced into waste gas, wherein, the ammonia generator (32), which has, to be used to regard watery urea liquid as additive
(34) nozzle (33) being introduced into waste gas and the hydrolyzation catalysis for urea liquid to be changed into vapor, carbon dioxide and ammonia
Device (35).
8. a kind of ERG, it is used for internal combustion engine, is used for the internal combustion engine of heavy oil operation, it is characterised in that from
Opening the waste gas (14) of the cylinder of internal combustion engine can be cooled down by means of at least one cooler for recycled exhaust gas (25,26), and
Waste gas is cooled to cooler for recycled exhaust gas (26) upstream under the sour dew-point temperature of sulfur-bearing can introduce at least one
Additive (27,34), its combine waste gas sulfur oxide and/or in and the acid of sulfur-bearing that is produced when cooling down waste gas.
9. ERG according to claim 8, it is characterised in that the ERG is applied to root
According in the internal combustion engine any one of claim 1 to 7.
10. a kind of be used for the method that waste gas is recycled at internal combustion engine, i.e. at the internal combustion engine with heavy oil operation, its feature exists
In, the waste gas for leaving the cylinder of internal combustion engine is cooled down by means of at least one cooler for recycled exhaust gas, and waste gas is cold
But the cooler for recycled exhaust gas upstream arrived under the sour dew-point temperature of sulfur-bearing introduces at least one additive, and it combines waste gas
Sulfur oxide and/or in and the acid of sulfur-bearing that is produced when cooling down waste gas.
11. method according to claim 10, it is characterised in that methods described is according to any one of claim 1 to 7
Implement in described internal combustion engine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013003001.3 | 2013-02-22 | ||
| DE102013003001.3A DE102013003001A1 (en) | 2013-02-22 | 2013-02-22 | Internal combustion engine, exhaust gas recirculation device and method for exhaust gas recirculation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104018957A CN104018957A (en) | 2014-09-03 |
| CN104018957B true CN104018957B (en) | 2017-09-15 |
Family
ID=51349167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410059508.9A Expired - Fee Related CN104018957B (en) | 2013-02-22 | 2014-02-21 | Internal combustion engine, ERG and the method recycled for waste gas |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6334193B2 (en) |
| KR (1) | KR102007048B1 (en) |
| CN (1) | CN104018957B (en) |
| DE (1) | DE102013003001A1 (en) |
| FI (1) | FI128619B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6633944B2 (en) * | 2016-03-07 | 2020-01-22 | 川崎重工業株式会社 | Engine system and control method |
| KR20180068198A (en) * | 2016-12-13 | 2018-06-21 | 현대자동차주식회사 | Reforming system |
| CN110107394A (en) * | 2019-05-05 | 2019-08-09 | 天津大学 | A kind of high pressure exhaust gas low-pressure side introducing system based on two-stage turbocharger |
| DE102020114125A1 (en) | 2020-05-27 | 2021-12-02 | Bayerische Motoren Werke Aktiengesellschaft | Internal combustion engine with an exhaust system |
| DE102020208989A1 (en) | 2020-07-17 | 2022-01-20 | Volkswagen Aktiengesellschaft | Internal combustion engine with exhaust gas recirculation line and CO2/H2O enrichment device |
| KR20220023112A (en) | 2020-08-20 | 2022-03-02 | 엘지전자 주식회사 | Gas engine heat pump |
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| US7861511B2 (en) * | 2007-10-30 | 2011-01-04 | General Electric Company | System for recirculating the exhaust of a turbomachine |
| EP2161438B1 (en) * | 2008-09-03 | 2015-01-21 | Behr GmbH & Co. KG | System and method for recirculating exhaust gas from a combustion engine |
| US8015822B2 (en) * | 2008-11-21 | 2011-09-13 | General Electric Company | Method for controlling an exhaust gas recirculation system |
| DE102008058612B4 (en) * | 2008-11-22 | 2017-05-24 | Man Diesel & Turbo, Filial Af Man Diesel & Turbo Se, Tyskland | Internal combustion engine and exhaust valve housing and Rezirkulationsgassammelbehälter this |
| SE0950429A1 (en) * | 2009-06-09 | 2010-04-22 | Scania Cv Ab | Arrangement and method for recirculating exhaust gases of an internal combustion engine |
| US8347611B2 (en) * | 2009-12-23 | 2013-01-08 | Ford Global Technologies, Llc | Methods and systems for emission system control |
| JP4997336B2 (en) * | 2010-01-29 | 2012-08-08 | 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 two-cycle diesel engine with exhaust gas recirculation system |
| JP5581790B2 (en) * | 2010-04-22 | 2014-09-03 | いすゞ自動車株式会社 | Ammonia supply system to SCR equipment |
| DE102010048466A1 (en) * | 2010-10-14 | 2012-04-19 | Daimler Ag | Exhaust gas recirculation with condensate discharge |
-
2013
- 2013-02-22 DE DE102013003001.3A patent/DE102013003001A1/en not_active Withdrawn
-
2014
- 2014-02-19 FI FI20145161A patent/FI128619B/en not_active IP Right Cessation
- 2014-02-21 CN CN201410059508.9A patent/CN104018957B/en not_active Expired - Fee Related
- 2014-02-21 JP JP2014031384A patent/JP6334193B2/en not_active Expired - Fee Related
- 2014-02-21 KR KR1020140020182A patent/KR102007048B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013003001A1 (en) | 2014-08-28 |
| JP2014163385A (en) | 2014-09-08 |
| CN104018957A (en) | 2014-09-03 |
| FI20145161L (en) | 2014-08-23 |
| KR102007048B1 (en) | 2019-08-02 |
| KR20140105403A (en) | 2014-09-01 |
| FI128619B (en) | 2020-08-31 |
| JP6334193B2 (en) | 2018-05-30 |
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