CN104018957A - Internal combustion engine, exhaust gas recirculation device, and method for exhaust gas recirculation - Google Patents
Internal combustion engine, exhaust gas recirculation device, and method for exhaust gas recirculation Download PDFInfo
- Publication number
- CN104018957A CN104018957A CN201410059508.9A CN201410059508A CN104018957A CN 104018957 A CN104018957 A CN 104018957A CN 201410059508 A CN201410059508 A CN 201410059508A CN 104018957 A CN104018957 A CN 104018957A
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- Prior art keywords
- exhaust gas
- combustion engine
- waste gas
- internal
- cooler
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Classifications
-
- 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
- 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
- F02B37/004—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 invention relates to an internal combustion engine, an exhaust gas recirculation device, and a method for exhaust gas recirculation. The internal combustion engine which is operated by heavy oil is provided with an engine with a plurality of cylinders, and a supercharging device with at least a turbocharger. Exhaust gas leaving the cylinders and capable of being transmmited to the supercharging device can fork on the upstream of the supercharging device by the exhaust gas recirculation device which has at least an exhaust gas recirculation cooler, and the exhaust gas can be mixed with condensed pressurized air after being cooled down. At least an additive can be added in the exhaust gas on the upstream of the exhaust gas recirculation cooler (which cools the exhaust gas guided by the exhaust gas recirculation device until the temperature is lower than dew point temperature of sulfur-containing acid) through guidance of the exhaust gas recirculation device. The additive combines sulfur oxide in the exhaust gas and/or neutralizes the sulfur-containing acid generated when cooling the exhaust 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 Exhaust gas recirculation device for internal-combustion engine (Abgasrueckfuehrungsvorrichtung) and a kind of for the method at internal-combustion engine place EGR.
Background technique
In the internal-combustion engine with heavy oil operation, have this feature, the fuel that used (being heavy oil) has higher Sulpher content.The deposition that sulfur oxide can react with other composition of waste gas and cause the assembly (as the waste gas cleaning plant of internal-combustion engine) at internal-combustion engine to be located.
By the known a kind of internal-combustion engine with supercharging device and waste gas cleaning plant of file DE 10 2,004 027 593 A1.Supercharging device be embodied as single-stage or be the supercharging device of two-stage.Waste gas cleaning plant comprises at least one SCR catalyst converter, and it is positioned at the turbine downstream of exhaust-gas turbocharger or the turbine upstream at exhaust-gas turbocharger in single-stage boosting device.In the supercharging device of two-stage, SCR catalyst converter is positioned between the high-pressure turbine of high pressure exhaust gas turbosupercharger and the low-pressure turbine of low pressure exhaust gas turbosupercharger according to the prior art.
Known to utilizing so-called EGR further to reduce the toxic emission of internal-combustion engine by the application in passenger car and commercial car.
Summary of the invention
Utilize EGR at the internal-combustion engine place with heavy oil operation but be problematic.Can not utilize EGR at the internal-combustion engine place with heavy oil operation so far thus.This is especially based on this, in EGR, wait that the waste gas drawing is back cooled under the sour dew point temperature of sulfur-bearing by cooler for recycled exhaust gas, make so the assembly of EGR and the assembly of internal-combustion engine can contact with the acid of sulfur-bearing and thus because the sour extremely strong corrosive action of sulfur-bearing is damaged.Set out thus, the object of the invention is to provide a kind of new-type internal-combustion engine with heavy oil operation, a kind of new-type Exhaust gas recirculation device for such internal-combustion engine and a kind of new-type method for the internal-combustion engine place EGR such.
This object realizes by the internal-combustion engine according to claim 1.According to the present invention, the waste gas that leaves cylinder and can flow to supercharging device can mix with the pressurized air compressing at supercharging device upstream fork and cooling after by means of the Exhaust gas recirculation device that comprises at least one cooler for recycled exhaust gas, wherein, at least one additive can be introduced in the waste gas of guiding by Exhaust gas recirculation device the cooler for recycled exhaust gas upstream under the sour dew point temperature that waste gas is cooled to sulfur-bearing, additive in conjunction with the sulfur oxide of waste gas and/or in and the acid of the sulfur-bearing that produces when the cooled exhaust air.Utilize the present invention to propose to utilize EGR at the internal-combustion engine place with heavy oil operation, wherein, make thus this become possibility, introduce by additive in the waste gas of guiding by gas recirculation system, additive in conjunction with the sulfur oxide of waste gas and/or in and the acid of the sulfur-bearing that produces when the cooled exhaust air.Avoid so thus the assembly of EGR or the piston of cylinder to contact with the acid of sulfur-bearing.Can effectively resist the damage of these assemblies due to corrosion.
Preferably, should or each additive and the sulfur oxide of waste gas and/or in the situation that constructing water miscible reaction product, react with the acid of the sulfur-bearing producing when the cooled exhaust air, reaction product can derive by the droplet separator (Tropfenabscheider) that is placed on this or each cooler for recycled exhaust gas together with condensed water from Exhaust gas recirculation device.The acid reaction of sulfur oxide and/or sulfur-bearing generates water miscible reaction product and water miscible reaction product is structurally simple, effective and preferred by the derivation of droplet separator together with condensed water.
According to a favourable improvement project of the present invention, Exhaust gas recirculation device has the first cooler for recycled exhaust gas (it is cooled to waste gas in the temperature on the sour dew point temperature of sulfur-bearing) and the second cooler for recycled exhaust gas (it is cooled to waste gas in the temperature under the sour dew point temperature of sulfur-bearing).This or each additive are observed in the second cooler for recycled exhaust gas upstream and in the first cooler for recycled exhaust gas downstream or are alternatively introduced in waste gas in the first cooler for recycled exhaust gas upstream on the flow direction of the waste gas of guiding by Exhaust gas recirculation device.This embodiment is for being particularly preferred with the internal-combustion engine of heavy oil operation.In conjunction with the sulfur oxide of waste gas and/or in and the sulfur-bearing that produces when the cooled exhaust air sour should or each additive preferably between these two cooler for recycled exhaust gases, be introduced in waste gas.
In claim 8, define according to the Exhaust gas recirculation device for internal-combustion engine of the present invention.
In claim 10, define according to of the present invention for the method at internal-combustion engine place EGR.
Brief description of the drawings
Preferred improvement project of the present invention is by drawing in dependent claims and ensuing explanation.Elaborate with reference to the accompanying drawings embodiments of the invention, and be not limited to this.Wherein:
Fig. 1 has shown the schematic diagram according to the first internal-combustion engine of the present invention; And
Fig. 2 has shown the schematic diagram according to the second internal-combustion engine of the present invention.
List of numerals
10 internal-combustion engines
11 motors
12 cylinders
13 pressurized airs
14 waste gas
15 supercharging devices
16 turbosupercharger
17 turbosupercharger
18 turbines
19 turbines
20 compressors
21 compressors
22 charger-air coolers
23 Exhaust gas recirculation device
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 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, marine diesel oil internal-combustion engine especially.
Fig. 1 has shown that, according to the first embodiment's of the internal-combustion engine 10 with heavy oil operation of the present invention schematic diagram, wherein, internal-combustion engine 10 comprises the motor 11 with multiple cylinders 12.In the cylinder 12 of internal-combustion engine 10, heavy oil is burned as fuel, this is flowed to the pressurized air of compression 13 in addition except heavy oil to the cylinder 12 of internal-combustion engine 10.The waste gas 14 producing when the heavy oil combustion is derived from the cylinder 12 of internal-combustion engine 10.
Have supercharging device 15 at the internal-combustion engine 10 shown in Fig. 1, it comprises two turbosupercharger 16 and 17 in an illustrated embodiment.The first turbosupercharger 16 is embodied as so-called high pressure turbocharger and the second turbosupercharger 17 is embodied as so-called low pressure turbocharger.First the waste gas 14 that leaves the cylinder 12 of internal-combustion engine 10 arrive in the region of high-pressure turbine 18 of high pressure turbocharger 16 and next arrive in the region of low-pressure turbine 19 of low pressure turbocharger 17.
In the turbine 18 and 19 of turbosupercharger 16 and 17, make waste gas 14 step-down gradually, wherein, this by obtained energy in order to the pressurized air 13 that gradually reduces in the compressor 20 or 21 of turbosupercharger 16,17.Low pressure turbocharger 17 comprises low pressure compressor 21 and high pressure turbocharger 16 comprises high pressure compressor 20 thus.Each compressor 20,21 downstreams in turbosupercharger 16,17 are furnished with respectively charger-air cooler 22.
Be to be noted that thus and be different from the supercharging device 15 shown in Fig. 1 (it comprises two turbosupercharger 16,17), also can use single-stage or more than the supercharging device of two-stage.In addition, the internal-combustion engine 10 with heavy oil operation according to the present invention can have unshowned waste gas cleaning plant.Such waste gas cleaning plant has unshowned at least one exhaust gas catalyzer, for example has a SCR catalyst converter thus.Additionally, waste gas cleaning plant can comprise particulate filter.
Internal-combustion engine 10 according to the present invention has Exhaust gas recirculation device 23.Can in the time that exhaust gas recirculation valve 24 is opened, leave by means of Exhaust gas recirculation device 23 on the flow direction of waste gas 14 of cylinder 12 and observe and at this or each turbosupercharger 16,17 upstreams, waste gas is diverged from waste gas streams, wherein, the waste gas diverging by Exhaust gas recirculation device 23 is in the embodiment in figure 1 conducted through two cooler for recycled exhaust gases 25 and 26.Cooler for recycled exhaust gas 25 is cooled to the waste gas of guiding by Exhaust gas recirculation device 23 to be at this in temperature on sour dew point temperature of sulfur-bearing.The second cooler for recycled exhaust gas 26 is just cooled to the waste gas of guiding by Exhaust gas recirculation device 23 in the temperature under the sour dew point temperature of sulfur-bearing.
According to the present invention, in the waste gas of guiding by Exhaust gas recirculation device 23, introduce additive, it is in conjunction with the sulfur oxide SO of waste gas
xand/or in and the acid of the sulfur-bearing that produces in the time of cooled exhaust air.
In the embodiment in figure 1, in Fig. 1, by means of nozzle 28, this additive 27 is observed on the flow direction of the waste gas of guiding by Exhaust gas recirculation device 23 in the first cooler for recycled exhaust gas 25 downstreams and introduced in waste gas in the second cooler for recycled exhaust gas 26 upstreams.
The sulfur oxide SO of this in introducing waste gas or each additive 27 and waste gas
xand/or with react in the water miscible reaction product of structure in the situation that in the acid of the sulfur-bearing of the region generating of the second cooler for recycled exhaust gas 26 when the cooled exhaust air.This water miscible reaction product can by droplet separator 29 (its on the flow direction of the waste gas of guiding by Exhaust gas recirculation device 23, be placed on the second cooler for recycled exhaust gas 26 with therefore also have the first cooler for recycled exhaust gas 25) together with condensed water by from Exhaust gas recirculation device 23 derive.In Fig. 1, the condensed water of deriving from Exhaust gas recirculation device 23 and be dissolved in reaction product in condensed water (it comprise this or the sulfur oxide of each additive and waste gas and/or the acid of sulfur-bearing) and utilize reference character 30 to represent.
The waste gas guiding in the direction of the cylinder 12 to internal-combustion engine 11 by Exhaust gas recirculation device 23 in droplet separator 29 downstreams does not have sulfur oxide and/or there is no the acid of sulfur-bearing and can be mixed with the pressurized air 13 of compression by means of blower 31 without problems thus.There is not the assembly of Exhaust gas recirculation device 23 and the cylinder 12 of internal-combustion engine 10 and the sulfur oxide of waste gas and with the acid reaction of sulfur-bearing and stand the risk of relevant therewith corrosion.
Preferably pass through nozzle 28 by ammoniacal liquor NH
4oH and/or ammonium carbonate (NH
4)
2cO
3and/or carbonic hydroammonium NH
4cHO
3and/or sodium hydroxide NaOH and/or sodium carbonate Na
2cO
3and/or caustic potoash KOH and/or potassium carbonate KCO
2introduce in waste gas as additive 27.The sulfur oxide SO of corresponding additive and waste gas
xand/or generating (basisch) reaction product of water miscible alkalescence with the acid reaction of the sulfur-bearing producing when the cooled exhaust air, then it can be derived by droplet separator 29 as already mentioned together with condensed water from Exhaust gas recirculation device 23.
Next the sulfur oxide SO of corresponding additive and waste gas is exemplarily described for some additives
xand/or the acid of sulfur-bearing generates the reaction chain of water miscible reaction product.
If by ammoniacal liquor NH
4oH, as additive, realizes sulfur oxide so according to the ammonium sulfate (NH of following exemplary reaction chain water generation reaction dissolubility
4) 2SO4:
NH
4OH+SO
2->NH
4HSO
3
NH
4HSO
3+NH
3->(NH
4)
2SO
3
(NH
4)
2SO
3+?O
2->(NH
4)
2SO
4
If sodium hydroxide NaOH, as additive, is realized to sulfur oxide reaction according to following exemplary reaction chain so and generates water miscible reaction product sodium sulfate (Natriumsulfat) NaHSO
3:
SO
2+H
2O->H
2HSO
3
SO
2+2NaOH->Na
2SO
3+H
2O
SO
2+Na
2SO
3+H
2O->2NaHSO
3
Sulfuric acid H
2sO
4according to corresponding additive according to the reaction product of following exemplary reaction chain water generation reaction dissolubility:
H
2SO
4+(NH
4)
2CO
3->(NH
4)
2SO
3+CO
2+H
2O
H
2SO
4+2KOH->K
2SO
4+2H
2O
H
2SO
4+K
2CO
3->K
2SO
4+CO
2
H
2SO
4+Na
2CO
3->Na
2SO
4+CO
2+H
2O
Corresponding additive also can be introduced in the waste gas of guiding by Exhaust gas recirculation device 23 in the first cooler for recycled exhaust gas 25 upstreams in the embodiment in figure 1.
Fig. 2 has shown one embodiment of the invention, produces ammonia NH therein by ammonia generator 32
3introduce in the waste gas of guiding by Exhaust gas recirculation device 23 as additive and in the first cooler for recycled exhaust gas 25 upstreams, wherein, ammonia generator 32 has nozzle 33, first urea 34 or watery urea liquid are introduced in waste gas by nozzle, and wherein, ammonia generator 32 comprises hydrolysis catalyst 35 in addition, to the urea in introducing waste gas or watery urea liquid are changed into water vapour, carbon dioxide and ammonia in hydrolysis catalyst 35.
Then ammonia be used for and the sulfur oxide of waste gas and/or the acid reaction of sulfur-bearing as additive, so that in conjunction with the sulfur oxide of waste gas and/or in and the acid of sulfur-bearing, wherein, in this reaction, preferably produce water miscible reaction product, it can be derived by droplet separator 29 again together with condensation product 30 from Exhaust gas recirculation device 23.
In the internal-combustion engine 10 with heavy oil operation, utilize Exhaust gas recirculation device 23 for EGR correspondingly in meaning of the present invention here, wherein, the acid of the sulfur oxide of waste gas and/or the sulfur-bearing that produces in the time of cooled exhaust air is combined and/or be neutralized.At this, being introduced in of additive carries out waste gas to be cooled to cooler for recycled exhaust gas 26 upstreams under the sour dew point temperature of sulfur-bearing to realize.The surface of this cooler for recycled exhaust gas 26 can be used to effective reaction the between corresponding additive and the acid of sulfur oxide or sulfur-bearing at this.Utilize the present invention can avoid in the internal-combustion engine with heavy oil operation, also not allowing to utilize so far the etching problem of EGR.Thus by means of the present invention can be in the internal-combustion engine with heavy oil operation in the case of not utilizing EGR the corrosion risk for the raising of the assembly of internal-combustion engine.
Claims (11)
1. an internal-combustion engine, with the internal-combustion engine of heavy oil operation, it is with having the motor (11) of multiple cylinders (12) and with having at least one turbosupercharger (16,17) supercharging device (15), it is characterized in that, the waste gas (14) that leaves described cylinder (12) and can flow to described supercharging device (15) is by means of comprising at least one cooler for recycled exhaust gas (25,26) Exhaust gas recirculation device (23) can be mixed with the pressurized air (13) of compression at described supercharging device (15) upstream fork and after cooling, and at least one additive (27,34) can introduce in the waste gas by described Exhaust gas recirculation device (23) guiding cooler for recycled exhaust gas (26) upstream under the sour dew point temperature that the waste gas of guiding by described Exhaust gas recirculation device (23) is cooled to sulfur-bearing, described additive (27,34) in conjunction with the sulfur oxide of waste gas and/or in and the acid of the sulfur-bearing that produces when the cooled exhaust air.
2. internal-combustion engine according to claim 1, it is characterized in that, described or each additive (27,34) structure water miscible reaction product in the situation that with sulfur oxide and/or with the acid reaction of sulfur-bearing, described reaction product can derive by the droplet separator (29) that is placed on described or each cooler for recycled exhaust gas (25,26) together with condensed water from described Exhaust gas recirculation device (23).
3. internal-combustion engine according to claim 1 and 2, it is characterized in that, described Exhaust gas recirculation device (23) has: the first cooler for recycled exhaust gas (25), and it is cooled to waste gas in the temperature on the sour dew point temperature of sulfur-bearing; With the second cooler for recycled exhaust gas (26), it is cooled to waste gas in the temperature under the sour dew point temperature of sulfur-bearing.
4. internal-combustion engine according to claim 3, it is characterized in that, described or each additive is observed and is introduced in waste gas in described the first cooler for recycled exhaust gas (25) downstream in described the second cooler for recycled exhaust gas (26) upstream on the flow direction of the waste gas by described Exhaust gas recirculation device (23) guiding.
5. internal-combustion engine according to claim 3, it is characterized in that, described or each additive is observed and is introduced in waste gas in described the second cooler for recycled exhaust gas (26) upstream and in described the first cooler for recycled exhaust gas (25) upstream on the flow direction of the waste gas by described Exhaust gas recirculation device (23) guiding.
6. according to the internal-combustion engine described in any one in claim 1 to 5, it is characterized in that, by nozzle (28) by ammoniacal liquor (NH
4and/or ammonium carbonate ((NH OH)
4)
2cO
3) and/or carbonic hydroammonium (NH
4hCO
3) and/or sodium hydroxide (NaOH) or sodium carbonate (Na
2cO
3) and/or caustic potoash (KOH) and/or potassium carbonate (K
2cO
3) introduce in waste gas as additive.
7. according to the internal-combustion engine described in any one in claim 1 to 5, it is characterized in that ammonia (NH
3) produce and be introduced in waste gas by urea by ammonia generator (32), wherein, described ammonia generator (32) has for the nozzle (33) of (34) introducing waste gas using watery urea liquid as additive and for urea liquid being changed into the hydrolysis catalyst (35) of water vapour, carbon dioxide and ammonia.
8. an Exhaust gas recirculation device, it is for internal-combustion engine, for the internal-combustion engine with heavy oil operation, it is characterized in that, the waste gas (14) that leaves the cylinder of internal-combustion engine can be by means of at least one cooler for recycled exhaust gas (25,26) cooling, and at least one additive (27 can be introduced in cooler for recycled exhaust gas (26) upstream under the sour dew point temperature that waste gas is cooled to sulfur-bearing, 34), its sulfur oxide in conjunction with waste gas and/or in and the acid of the sulfur-bearing that produces in the time of cooled exhaust air.
9. Exhaust gas recirculation device according to claim 8, is characterized in that according to the feature described in any one in claim 1 to 7.
10. one kind at internal-combustion engine place, in the method for the internal-combustion engine place EGR with heavy oil operation, it is characterized in that, the waste gas that leaves the cylinder of internal-combustion engine comes cooling by means of at least one cooler for recycled exhaust gas, and at least one additive is introduced in the cooler for recycled exhaust gas upstream under the sour dew point temperature that waste gas is cooled to sulfur-bearing, its sulfur oxide in conjunction with waste gas and/or in and the acid of the sulfur-bearing that produces in the time of cooled exhaust air.
11. methods according to claim 10, is characterized in that according to the feature described in any one in claim 1 to 7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013003001.3A DE102013003001A1 (en) | 2013-02-22 | 2013-02-22 | Internal combustion engine, exhaust gas recirculation device and method for exhaust gas recirculation |
| DE102013003001.3 | 2013-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104018957A true CN104018957A (en) | 2014-09-03 |
| CN104018957B 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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| CN108457774A (en) * | 2016-12-13 | 2018-08-28 | 现代自动车株式会社 | Reforming system |
| CN108495993A (en) * | 2016-03-07 | 2018-09-04 | 川崎重工业株式会社 | Engine system and control method |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN108495993B (en) * | 2016-03-07 | 2021-05-25 | 川崎重工业株式会社 | Engine system and control method |
| CN108457774A (en) * | 2016-12-13 | 2018-08-28 | 现代自动车株式会社 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| FI128619B (en) | 2020-08-31 |
| DE102013003001A1 (en) | 2014-08-28 |
| KR20140105403A (en) | 2014-09-01 |
| CN104018957B (en) | 2017-09-15 |
| KR102007048B1 (en) | 2019-08-02 |
| FI20145161L (en) | 2014-08-23 |
| JP2014163385A (en) | 2014-09-08 |
| JP6334193B2 (en) | 2018-05-30 |
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