CN103688033B - 用于减少内燃机排气中的氮氧化物和硫氧化物的方法 - Google Patents

用于减少内燃机排气中的氮氧化物和硫氧化物的方法 Download PDF

Info

Publication number
CN103688033B
CN103688033B CN201280016171.2A CN201280016171A CN103688033B CN 103688033 B CN103688033 B CN 103688033B CN 201280016171 A CN201280016171 A CN 201280016171A CN 103688033 B CN103688033 B CN 103688033B
Authority
CN
China
Prior art keywords
exhaust
ammonia
catalyst system
amount
sulfur compounds
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
Application number
CN201280016171.2A
Other languages
English (en)
Other versions
CN103688033A (zh
Inventor
J·R·托格森
H·特罗勒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
On Shares LP
Original Assignee
Haldor Topsoe AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Haldor Topsoe AS filed Critical Haldor Topsoe AS
Publication of CN103688033A publication Critical patent/CN103688033A/zh
Application granted granted Critical
Publication of CN103688033B publication Critical patent/CN103688033B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/0233—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles periodically cleaning filter by blowing a gas through the filter in a direction opposite to exhaust flow, e.g. exposing filter to engine air intake
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
    • 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
    • F01N3/18—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 characterised by methods of operation; Control
    • F01N3/20—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 characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • 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
    • F01N3/18—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 characterised by methods of operation; Control
    • F01N3/20—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 characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/04—Sulfur or sulfur oxides
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/18—Ammonia
    • 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
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1616—NH3-slip from catalyst
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

本发明提供了减少贫燃内燃机的排气中的氮氧化物和硫氧化物量的方法，该方法包括将所述排气与调整量的氨通过催化剂体系，所述催化剂体系包含一种或多种在氮氧化物生成氮气的反应中为活性的催化剂，所述氨原样引入到排气中或者在引入到所述排气中后在将所述排气通过所述催化剂体系之前形成；将这样处理后的排气通过涡轮增压器的涡轮机；和在下游的排气处理步骤中除去涡轮增压器排气中存在的三氧化硫和/或铵硫化合物；其中使排气在高于铵硫化合物的冷凝温度的温度下经过催化剂体系，所述铵硫化合物通过与在排气中的氨反应生成，且其中在经过催化剂体系后，将排气中的氨量调整到导致少于2ppm体积或者高于10ppm的体积的量。

Description

用于减少内燃机排气中的氮氧化物和硫氧化物的方法
技术领域
本发明大体涉及利用还原剂例如氨和尿素等减少内燃机排气中存在的氮氧化物和硫氧化物的方法。特别地，本发明致力于从用具有高硫含量的燃料运行的发动机排气中去除该化合物。
背景技术
在固定或汽车(stationaryandautomotive)应用中的排气的氮氧化物排放长期以来都是主要的环境问题。氮氧化物(NOx)和硫氧化物(SOx)的有害影响是众所周知的。
在电力和汽车工业中，尤其是在贫燃发动机的排气中，NOx至氮气(N2)的还原通常是通过使用氨或尿素作为还原剂利用在所谓的选择催化还原(SCR)中的合适催化剂进行的。
在该还原过程中使用的SCR和催化剂属于现有技术，不需要进一步详细描述。
在过去，很少有关注发动机排气中的硫氧化物的去除，显然因为在排气中的硫含量低于现行的要求。在汽车业中的大多数内燃机是使用脱硫燃料为燃料的，排气中的硫含量低于现行的要求，或者对应于本地燃料油中硫含量的高排放是被接受的。
为此，用于固定应用和海洋船只的船上的大型燃烧发动机仍然以具有高硫含量的燃料运行。
例如，对于SCRDeNOx结合供以硫含量高于1％的重质燃料油(HFO)的内燃机，并没有可操作的技术方案。
那些发动机通常装备以涡轮增压器来提高发动机效率。
涡轮增压的燃烧发动机的排气净化(Exhaustgascleaning)基于如下的原因是有问题的。
氨，作为用于NOx的SCR中的常用还原剂，与也存在于排气中，尤其是HFO供燃料发动机的排气中的硫氧化物反应。反应产物是硫酸铵或硫酸氢氨，如果排气温度低于一定的限度，它们将冷凝在SCR催化剂上并通过与氨接触抑制催化剂。
所述排气的温度典型地在刚从发动机排出后为330到500℃。此温度刚好高于硫酸盐的冷凝温度。
然而相对高的温度意味着，排气中一些SO2经过SCR被氧化成SO3。生成的SO3和在发动机的排出口排气中已经存在的SO3一起，如果不捕集在排气处理装置系列(equipmenttrain)中，会导致酸烟柱(acidplume)的形成。
在经过涡轮增压器的涡轮机后，排气温度下降到低于所述冷凝温度，就会造成上述问题。
因此，本发明的大致目标是提供不存在上述问题的，联合(combined)还原涡轮增压内燃机的NOx和SOx的方法。
发明内容
本发明的主要特征是使排气中的氨量相对于SCR中的消耗的量过量，以在下游设备系列中捕集作为硫酸铵或硫酸氢氨的SO3，或者投放氨来由SCR生成lowslip，使得可以在湿洗涤器中捕集作为H2SO4的SO3。
因此，本发明是从贫燃内燃机的排气中减少氮氧化物和硫氧化物的方法，包括将排气与调整量的氨通过催化剂体系，所述催化剂体系包括一种或多种在氮氧化物生成氮气的反应中为活性的催化剂，所述氨原样引入到排气中或者在引入到排气中后、在将所述排气通过所述催化剂体系之前形成；
将这样处理后的排气通过涡轮增压器的涡轮机；和
在下游的排气处理步骤中除去涡轮增压器排气中存在的三氧化硫和/或铵硫(ammoniumsulphur)化合物；其中使排气经过在高于铵硫化合物的冷凝温度的温度下的催化剂体系，所述铵硫化合物通过与在排气中的氨反应生成，且其中在经过催化剂体系后，将排气中的氨量调整到少于2ppm体积或者高于10ppm的体积的量。
在具体应用中，在经过催化剂体系后，氨量可以维持少于0.5ppm体积。
通过提供相对NOx量过量的氨，生成了氨流(slip)，生成的SO3可以作为硫酸氢氨(ABS)或者硫酸铵(AS)被捕集。ABS和AS是水溶性化合物，并且可以轻易地通过在洗涤器中用水洗涤而去除。ABS和AS也可以通过使用烟灰吹除(sootblowing)设备去除。
所述洗涤器优选用于SO3捕集。在一个可选择的工作模式中，氨流被维持在最小量以最小化在下游装备中的结垢。
当SCR的氨流维持高于10ppm体积时，硫酸氢氨和硫酸铵在废热锅炉中冷凝，或者在传热表面或者作为气相中的固体颗粒。下游装置中的表面上形成的沉积物可以通过用水清洗和/或在烟灰吹除过程中去除，而所述颗粒物在下游的SOx洗涤器中被去除。
可选择地，氨流被维持低水平(＜2ppm)，这意味着由ABS或AS造成的下游设备的结垢被最小化。SO3随后可以在优选用于SO3去除的SOX洗涤器中去除。
本发明方法中使用的氨可以以气态氨的形式或者利用尿素溶液提供，所述尿素溶液当注射到排气中后分解为氨。
本发明的方法尤其结合两冲程发动机。这类发动机通常用于海洋船只的船上且供以含硫的重质燃料油为燃料。
具体实施方式
海洋船只上的2冲程发动机排出1500ppm(体积)的NOx，750ppm(体积)的SO2和15ppm的SO3(体积)。在通向SCR单元的入口处的发动机排气温度为330至500℃，压力为2至4bar表压。通过涡轮增压器上游的加压的SCR，NOx含量下降到低于300ppm，而形成了附加的30ppm的SO3。SCR单元之后的氨流调整到高于20ppm，这导致硫酸氢氨和硫酸铵形成，并在涡轮增压器下游的废热锅炉中，或者在传热表面或者作为在气相中的固体颗粒而冷凝。在所述表面上形成的沉淀物可以通过定期使用水来清洗锅炉而去除，而颗粒在下游的SOx洗涤器中去除。可选择地，所述氨流被维持在很低的水平(＜2ppm)，这意味着由ABS和AS造成的废热锅炉结垢被最小化。SO3随后可以在优化用于SO3去除的SOx洗涤器中去除。

Claims (7)

1.减少贫燃内燃机的排气中的氮氧化物和硫氧化物量的方法，该方法包括将所述排气与调整量的氨通过催化剂体系，所述催化剂体系包含一种或多种在氮氧化物生成氮气的反应中为活性的催化剂，所述氨原样引入到排气中或者在引入到所述排气中后在将所述排气通过所述催化剂体系之前形成；
将这样处理后的排气通过涡轮增压器的涡轮机；和
在下游的排气处理步骤中除去涡轮增压器排气中存在的三氧化硫和/或铵硫化合物；其中使排气在高于铵硫化合物的冷凝温度的温度下经过催化剂体系，所述铵硫化合物通过与在排气中的氨反应生成，且其中在经过催化剂体系后，将排气中的氨量调整到少于2ppm体积或者高于10ppm的体积的量。
2.如权利要求1所述的方法，其中，在通过所述催化体系后，将所述排气中的氨量调整到少于0.5ppm体积的量。
3.如权利要求1或2所述的方法，其中，所述内燃机为两冲程发动机。
4.如权利要求1或2所述的方法，其中，所述下游排气处理步骤包括使用水来清洗或者使用水来洗涤。
5.如权利要求4所述的方法，其中，所述排气处理步骤在废热锅炉和/或湿洗涤器中进行。
6.如权利要求5所述的方法，其中，所述废热锅炉定期地采用水清洗或者通过烟灰吹除清洁。
7.根据权利要求1-6任意一项所述方法用于减少在海洋船只的船上安装的贫燃内燃机的排气中的氮氧化物和硫氧化物的用途。
CN201280016171.2A 2011-03-28 2012-03-06 用于减少内燃机排气中的氮氧化物和硫氧化物的方法 Active CN103688033B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA201100223 2011-03-28
DKPA201100223 2011-03-28
PCT/EP2012/000994 WO2012130375A1 (en) 2011-03-28 2012-03-06 Process for the reduction of nitrogen oxides and sulphur oxides in the exhaust gas from internal combustion engine.

Publications (2)

Publication Number Publication Date
CN103688033A CN103688033A (zh) 2014-03-26
CN103688033B true CN103688033B (zh) 2016-01-20

Family

ID=45852508

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280016171.2A Active CN103688033B (zh) 2011-03-28 2012-03-06 用于减少内燃机排气中的氮氧化物和硫氧化物的方法

Country Status (14)

Country Link
US (1) US9068489B2 (zh)
EP (1) EP2691617B1 (zh)
JP (1) JP6207498B2 (zh)
KR (1) KR101910880B1 (zh)
CN (1) CN103688033B (zh)
BR (1) BR112013025023A2 (zh)
CA (1) CA2830295C (zh)
CL (1) CL2013002791A1 (zh)
ES (1) ES2545871T3 (zh)
MX (1) MX343739B (zh)
PL (1) PL2691617T3 (zh)
RU (1) RU2584217C2 (zh)
WO (1) WO2012130375A1 (zh)
ZA (1) ZA201306716B (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013012399A1 (de) * 2013-07-26 2015-01-29 Man Diesel & Turbo Se Verfahren zur Abgasnachbehandlung an einer Brennkraftmaschine und Brennkraftkraftmaschine
US9387438B2 (en) 2014-02-14 2016-07-12 Tenneco Automotive Operating Company Inc. Modular system for reduction of sulphur oxides in exhaust
DE102014005244A1 (de) * 2014-04-08 2015-10-08 Man Diesel & Turbo Se Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung
DE102014005153B4 (de) * 2014-04-08 2023-12-14 Andreas Döring Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung
DE102014007913A1 (de) * 2014-05-27 2015-12-03 Man Diesel & Turbo Se Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung
KR102301917B1 (ko) 2015-04-21 2021-09-14 두산인프라코어 주식회사 환원제 공급 제어 시스템을 포함한 동력 장치 및 환원제 공급 제어 방법
US20180062649A1 (en) * 2016-08-30 2018-03-01 Ford Global Technologies, Llc Capacitive input pad
EP3315739B1 (en) * 2016-10-28 2019-02-13 Yara Marine Technologies AS System and method to determine a flow rate of a washing liquid of an exhaust gas scrubber cleaning system of a marine vessel
EP3638892B1 (en) * 2017-06-12 2021-06-30 3Nine AB Method and installation for the reduction of sulphur oxides in exhaust gas from marine diesel engines
US10309278B2 (en) * 2017-10-03 2019-06-04 GM Global Technology Operations LLC Method for desulfurization of selective catalytic reduction devices
KR102130491B1 (ko) * 2019-03-13 2020-07-14 주식회사 냄새뚝 선박 배기가스 정화장치 및 방법
KR102175005B1 (ko) * 2019-06-10 2020-11-05 주식회사 냄새뚝 선박 배기가스 정화장치 및 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141959A (en) * 1976-11-19 1979-02-27 Hitachi, Ltd. And Babcock-Hitachi Kabushiki Kaisha Process for removing nitrogen oxides from combustion flue gas
CN101432506A (zh) * 2004-10-11 2009-05-13 沃尔沃拉斯特瓦格纳公司 用于减少稀燃内燃机所产生的废气中的氮氧化物的系统和方法
US7628008B2 (en) * 2004-09-17 2009-12-08 Emcon Technologies Llc Exhaust system of a motor vehicle with a diesel engine

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641773A1 (de) * 1986-12-06 1988-06-09 Metallgesellschaft Ag Verfahren zur katalytischen reduktion von in einem gas enthaltenem no
JPH05285343A (ja) * 1992-04-10 1993-11-02 Mitsubishi Heavy Ind Ltd 脱硝装置
JP3339734B2 (ja) * 1993-10-15 2002-10-28 川崎重工業株式会社 排ガス浄化装置
JPH0810564A (ja) * 1994-07-05 1996-01-16 Mitsui Eng & Shipbuild Co Ltd 排ガスの脱硫脱硝同時連続処理方法及び装置
DE19749607C1 (de) * 1997-11-10 1999-03-18 Siemens Ag Verfahren und Einrichtung zur Verminderung der Anzahl von Partikeln in einem Abgas
JP3890458B2 (ja) * 1999-01-27 2007-03-07 日立造船株式会社 二酸化硫黄製造における三酸化硫黄吸収除去方法
US7575931B2 (en) * 2002-06-19 2009-08-18 E.I. Du Pont De Nemours And Company Method and apparatus for reducing a nitrogen oxide, and control thereof
JP4019867B2 (ja) * 2002-09-10 2007-12-12 トヨタ自動車株式会社 内燃機関の排気浄化装置
US7464543B2 (en) * 2004-05-25 2008-12-16 Cameron International Corporation Two-stroke lean burn gas engine with a silencer/catalytic converter
JP2007255886A (ja) * 2007-04-16 2007-10-04 Asahi Kasei Engineering Kk 無機塩を含有する有機物質を成分とした廃液の焼却処理方法
JP2010084695A (ja) * 2008-10-01 2010-04-15 Diesel United:Kk 排ガス浄化装置
US20100229539A1 (en) * 2009-03-16 2010-09-16 Caterpillar Inc. Hydrocarbon scr aftertreatment system
JP5044601B2 (ja) * 2009-04-02 2012-10-10 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 排気ガススクラバーを備える大型２サイクルディーゼルエンジン
JP4853570B2 (ja) * 2009-12-14 2012-01-11 トヨタ自動車株式会社 還元剤供給装置の診断装置
US8347611B2 (en) * 2009-12-23 2013-01-08 Ford Global Technologies, Llc Methods and systems for emission system control
US8769940B2 (en) * 2010-05-05 2014-07-08 Cummins Power Generation Ip, Inc. Marine exhaust catalyst
SE535773C2 (sv) * 2010-08-13 2012-12-11 Scania Cv Ab Arrangemang för att spruta in ett reduktionsmedel i en avgasledning hos en förbränningsmotor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141959A (en) * 1976-11-19 1979-02-27 Hitachi, Ltd. And Babcock-Hitachi Kabushiki Kaisha Process for removing nitrogen oxides from combustion flue gas
US7628008B2 (en) * 2004-09-17 2009-12-08 Emcon Technologies Llc Exhaust system of a motor vehicle with a diesel engine
CN101432506A (zh) * 2004-10-11 2009-05-13 沃尔沃拉斯特瓦格纳公司 用于减少稀燃内燃机所产生的废气中的氮氧化物的系统和方法

Also Published As

Publication number Publication date
US20140000240A1 (en) 2014-01-02
JP6207498B2 (ja) 2017-10-04
CA2830295C (en) 2017-08-01
KR101910880B1 (ko) 2018-10-23
ES2545871T3 (es) 2015-09-16
CA2830295A1 (en) 2012-10-04
PL2691617T3 (pl) 2015-11-30
WO2012130375A1 (en) 2012-10-04
RU2584217C2 (ru) 2016-05-20
KR20140009457A (ko) 2014-01-22
US9068489B2 (en) 2015-06-30
CL2013002791A1 (es) 2014-02-07
RU2013147682A (ru) 2015-05-10
JP2014513231A (ja) 2014-05-29
CN103688033A (zh) 2014-03-26
MX343739B (es) 2016-11-22
EP2691617B1 (en) 2015-06-24
MX2013010700A (es) 2013-10-01
EP2691617A1 (en) 2014-02-05
BR112013025023A2 (pt) 2017-01-10
ZA201306716B (en) 2016-08-31

Similar Documents

Publication Publication Date Title
CN103688033B (zh) 用于减少内燃机排气中的氮氧化物和硫氧化物的方法
RU2667852C2 (ru) Устройство и способ для воздействия на количество оксидов азота в выхлопных газах из двигателя внутреннего сгорания
KR101707273B1 (ko) 중유 이하의 저질 연료를 사용하는 대배기량 선박용 디젤 엔진의 배기 가스 정화 장치
JP6246385B2 (ja) 排ガス後処理システム及び排ガス後処理方法
JP4947036B2 (ja) エンジンの排気浄化方法
JP2013124555A (ja) 尿素水噴霧構造
JP2012140928A5 (zh)
CN102725488A (zh) 柴油机的排气净化装置及排气净化方法
RU2009132607A (ru) Способ регенерации сажевых фильтров в системе выпуска отработавших газов работающего на обедненных смесях двигателя внутреннего сгорания и предназначенная для этого система выпуска отработавших газов
CN105339617A (zh) 用于从废气中除去SOx和NOx的方法和净化设备
JP2014513231A5 (zh)
CN101922333A (zh) 船用选择性催化还原减排系统
CN102889108A (zh) 压燃点火发动机的废气后处理系统
JP2011127471A (ja) 往復動内燃機関の排ガス浄化方法及び排ガス浄化システム
JP2011043160A (ja) ディーゼル自動車の排気装置
WO2006006441A1 (ja) 排気ガス浄化システム及び排気ガス浄化方法
JP2011032952A (ja) 船舶用排気ガス浄化装置、および排気ガス浄化方法
CN101180455A (zh) 用于排气后处理系统的再生的方法
CN211598795U (zh) 一种后处理系统
JP5610956B2 (ja) 排ガス浄化装置の制御方法および制御装置
EP2410144B1 (en) Method of Controlling NOx Emissions in an Internal Combustion Engine
CN115773169A (zh) 氨燃料船舶发动机系统及其尾气后处理系统
CN101151440A (zh) 内燃机的排气净化装置
CN116398283A (zh) 一种dpf主动再生的后处理排放装置及控制方法
JP2008008201A (ja) 排気浄化装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180308

Address after: Hanau, Germany

Patentee after: Limited Partnership On shares

Address before: Danish spirits

Patentee before: Haldor Topse A/S

TR01 Transfer of patent right