CN106460600A - 废气后处理装置 - Google Patents

废气后处理装置 Download PDF

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CN106460600A
CN106460600A CN201580027190.9A CN201580027190A CN106460600A CN 106460600 A CN106460600 A CN 106460600A CN 201580027190 A CN201580027190 A CN 201580027190A CN 106460600 A CN106460600 A CN 106460600A
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acoustic filter
waste gas
filter room
exhaust
gas purification
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CN106460600B (zh
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A.德林
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MAN Energy Solutions SE
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MAN Diesel and Turbo SE
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    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
    • F01N13/017—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel the purifying devices are arranged in a single housing
    • 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
    • F01N3/24—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 constructional aspects of converting apparatus
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • F01N2330/04—Methods of manufacturing
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/10—Two or more expansion chambers in parallel
    • 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
    • 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
    • F01N3/033—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 in combination with other devices
    • F01N3/035—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 in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

一种用于内燃机尤其用于利用重油运行的船用柴油内燃机的废气后处理装置(10)，带有由废气穿流的罩壳(11)；带有构造在罩壳(11)中的废气净化室(13,14,15)，该废气净化室(13,14,15)容纳有催化转化器(16,17,18)和/或微粒过滤器以用于废气净化；带有构造在罩壳(11)中的消声器室(19,20,21,22,23,24)，该消声器室(19,20,21,22,23,24)为了消声在穿流方向上具有限定的深度；其中废气净化室(13,14,15)和消声器室(19,20,21,22,23,24)在空间方面相互连续地并且在流动方面相互平行地布置。

Description

废气后处理装置
技术领域
本发明涉及一种废气后处理装置。
背景技术
从实践中已知，不仅催化转化器(Katalysator，有时称为催化器)而且消声器能够作为废气后处理组件布置在内燃机下游。催化转化器尤其用作使废气脱氮和/或脱硫并且因此用作减少氮氧化物排放以及硫氧化物排放。消声器用作降低噪声并且因此减少声音排放。在从实践中已知的内燃机的情形中催化转化器以及消声器始终实施为分离的组件，由此产生高的安装空间需求。
发明内容
由此为出发点本发明的任务在于创造一种新式的废气后处理装置。
该任务通过根据权利要求1所述的废气后处理装置解决。根据本发明的废气后处理装置具有废气穿流的罩壳，其中在罩壳中构造有废气净化室，该废气净化室为了废气净化容纳有催化转化器和/或微粒过滤器；其中在罩壳中构造有消声器室，该消声器室为了消声在穿流方向上具有限定的深度，并且其中废气净化室和消声器室在空间方面相互连续地布置并且在流动方面(stömungsseitig)相互平行地布置。
利用本发明提出，一方面废气净化构件如催化转化器和/或微粒过滤器并且另一方面消声器集成到废气后处理装置中，由此能够相对于现有技术减少安装空间需求。
根据一种有利的改进方案，至少一些消声器室具有不同的深度。当至少一些消声器室具有不同的深度时，则不同的频率能够在消声器室中衰减，从而那么宽频带的噪声衰减是可能的。
根据一种有利的改进方案，废气净化室和消声器室在流动方面相互平行地如此布置，即使得穿流罩壳的废气流能够被划分成数量为N个的废气部分流，所述废气部分流分别穿流对于废气部分流中的每个特有的至少一个废气净化室并且优选地穿流对于废气部分流中的每个特有的至少一个消声器室，其中废气部分流在穿流废气净化室和消声器室后能够合并成所述废气流。以此在低的安装空间需求的情况下可实现一方面在催化转化器和/或微粒过滤器中的特别地有效的废气净化和另一方面在消声器室中的特别地有效的噪音减少。
优选地废气净化室和消声器室在流动方面相互平行地如此布置，即使得第i个废气部分流的该特有的或每个特有的废气净化室和消声器室在流动方面平行于第(i+1)个废气部分流的该特有的或每个特有的废气净化室和消声器室连接，其中i=1到(N-1)。由此可实现有效的废气净化和有效的噪声消音同时减少安装空间需求。
优选地废气净化室和消声器室在空间方面相互连续地如此布置，即使得第i个废气部分流的该特有的或每个特有的废气净化室和消声器室在空间方面布置在第(i+1)个废气部分流的该特有的或每个特有的废气净化室和消声器室之前，其中i=1到(N-1)。这也使有效的废气净化和有效的噪声消声成为可能同时减少安装空间需求。
附图说明
本发明的优选的改进方案从从属权利要求和随后的描述中得出。根据图纸更详细地解释了本发明的实施例，然而不受限于所述实施例。在此：
图1示出了根据本发明的废气后处理装置的示意图。
具体实施方式
本发明涉及一种用于内燃机尤其用于利用重油运行的船用柴油机的废气后处理装置。
图1示出了根据本发明的废气后处理装置10的实施例，其中废气后处理装置10具有罩壳11，废气穿流该罩壳11。
罩壳11具有用于穿流废气后处理装置10的罩壳11的废气25的入口12以及出口26。
在罩壳10中构造有废气净化室13,14,15，所述废气净化室13,14,15容纳有催化转化器16,17,18和/或微粒过滤器以用于对穿流气后处理装置10的罩壳11的废气25进行废气净化。此外在废气后处理装置10的罩壳11中构造有消声器室19,20,21,22,23,24，所述消声器室19,20,21,22,23,24为了消声在穿流方向上具有限定的深度t19,t20,t21,t22,t23,t24。
共同集成到废气后处理装置10的共同的罩壳11中或构造在共同的罩壳11中的废气净化室13,14,15和消声器室19,20,21,22,23,24一方面在空间方面相互连续地并且另一方面在流动方面相互平行地布置。
废气净化室13,14,15和消声器室19到24在这种情形中在流动方面相互平行地如此布置，即使得进入到废气后处理装置10的罩壳11中的废气流25能够划分成数量为N个的废气部分流25a,25b和25c，所述废气部分流25a,25b和25c根据图1分别穿流对于废气部分流25a,25b和25c中的每个特有的至少一个废气净化室13,14或15。因此废气部分流25a穿流废气净化室13，废气部分流25b穿流废气净化室14并且废气部分流25c穿流废气净化室15。
此外废气部分流25a，25b和25c中的每个优选地穿流对于相应的废气部分流25a,25b和25c特有的至少一个消声器室，其中废气部分流25a穿流特有的消声器室20，废气部分流25b穿流特有的消声器室22，废气部分流25c穿流特有的消声器室23。
因此用于废气部分流25a,25b和25c的所有的废气净化室13,14和15作为对于相应的废气部分流25a,25b和25c特有的废气净化室13,14,15一直仅仅由废气部分流25a,25b和25c中的仅仅一个穿流。
消声器室19到24中的一些即消声器室20,22和23同样构造为对于废气部分流25a,25b和25c特有的消声器室，从而消声器室20,22和23一直仅仅由废气部分流25a,25b和25c中的一个穿流。其它的消声器室19,21,24相反地构造为共同的消声器室，所述共同的消声器室19,21,24由废气部分流25a,25b和25c中的多个共同穿流。因此消声器室19由整个废气流25并且因此由所有三个废气部分流25a,25b和25c穿流。消声器室21由两个废气部分流25b和25c穿流。消声器室24再次由整个废气流25穿流。
在示出的实施例中N=3，废气流25因此划分成三个废气部分流25a,25b和25c。然而显而易见的是，废气流25也能够仅仅划分成两个或划分成多于三个废气部分流。
在废气部分流的数量为N的情况下(废气后处理装置10的废气流25能够划分成这些数量为N个的废气部分流)，废气净化室13到15和消声器室19到24在流动方面相互平行地如此布置，即使得第i个(i=1到N-1)废气流的该特有的或每个特有的废气净化室13,14,15以及该特有的或每个特有的消声器室20,22,23在流动方面平行于第(i+1)个废气部分流的该特有的或每个特有的废气净化室和特有的消声器室连接。
此外废气净化室13到15和消声器室19到24在空间方面相互连续地如此布置，即使得第i个废气部分流的该特有的或每个特有的废气净化室13,14,15和该特有的或每个特有的消声器室20,22,23在空间方面布置在第(i+1)个废气部分流的该特有的或每个特有的废气净化室和特有的消声器室之前。
从图1中明显的是，全部的废气净化室13到15以及全部的消声器室19到24在罩壳10的穿流方向上看在空间方面连续地依次布置。
以上述方式多个催化转化器16到18和/或微粒过滤器能够集成到多个废气净化室13到15中，其中多个消声器室19到24同样集成到同一罩壳11中。由此在同一废气后处理装置10中能够保证不仅在废气净化室13到15中的有效的废气净化而且在消声器室19到24中的有效的消声，更确切地说其中根据本发明的废气后处理装置10的安装空间需求为最小。
根据本发明的废气后处理装置10的这样的方案是特别地优选的，即在该方案中消声器室19到24中的至少一些在所述消声器室19到24的穿流方向上看具有不同的深度t19到t24。对此那么在具有不同的深度的单个的消声器室19到24中能够衰减废气噪声的不同的频率，从而废气噪声的宽频带的衰减是可能的。
不同的深度t19到t24有利地这样实施，即使得所述不同的深度t19到t24相应于待衰减的波长的四分之一(λ/4)。因此通过构造不同的深度能够衰减不同的波长，由此宽频带的衰减变得可能。为了构造λ/4消声器效果废气后处理元件的侧壁和端面平行布置，从而能够构造驻波。
在一种本发明的方案中所有的消声器室19到24分别具有不同的深度t19到t24。
为了进一步优化消声，消声器室19到24的壁和/或罩壳11的壁和/或废气净化室13到15的未被穿流的壁设有声音吸收材料。
集成到废气净化室13，14和15中的废气净化组件能够为SCR催化转化器，NOx存储式催化转化器，CH4氧化催化转化器，CO氧化催化转化器，HCHO氧化催化转化器和/或微粒过滤器。
参考符号列表
10 废气后处理装置
11 罩壳
12 入口
13 废气净化室
14 废气净化室
15 废气净化室
16 催化转化器
17 催化转化器
18 催化转化器
19 消声器室
20 消声器室
21 消声器室
22 消声器室
23 消声器室
24 消声器室
25 废气
25a 废气部分流
25b 废气部分流
25c 废气部分流
26 出口。

Claims (10)

1.一种用于内燃机尤其用于利用重油运行的船用柴油机的废气后处理装置(10)，
带有由废气穿流的罩壳(11)；
带有构造在所述罩壳(11)中的废气净化室(13,14,15)，所述废气净化室(13,14,15)为了废气净化容纳有催化转化器(16,17,18)和/或微粒过滤器；
带有构造在所述罩壳(11)中的消声器室(19,20,21,22,23,24)，所述消声器室(19,20,21,22,23,24)为了消声在穿流方向上具有限定的深度；
其中所述废气净化室(13,14,15)和所述消声器室(19,20,21,22,23,24)在空间方面相互连续地并且在流动方面相互平行地布置。
2.根据权利要求1所述的废气后处理装置，其特征在于，所述废气净化室(13,14,15)和所述消声器室(19,20,21,22,23,24)在流动方面相互平行地如此布置，即使得穿流所述罩壳(11)的废气流(25)能够划分成数量为N个的废气部分流(25a,25b,25c)，所述废气部分流(25a,25b,25c)分别穿流对于所述废气部分流(25a,25b,25c)中的每个特有的至少一个废气净化室(13,14,15)并且优选地穿流对于所述废气部分流(25a,25b,25c)中的每个特有的至少一个消声器室(19,20,21,22,23,24)，其中所述废气部分流(25a,25b,25c)在穿流所述废气净化室(13,14,15)和消声器室(19,20,21,22,23,24)后能够合并成所述废气流(25)。
3.根据权利要求2所述的废气后处理装置，其特征在于，所有的废气净化室(13,14,15)如此构造为对于所述废气部分流(25a,25b,25c)特有的废气净化室(13,14,15)，即使得所述废气净化室(13,14,15)中的每个一直仅仅由所述废气部分流(25a,25b,25c)中的仅仅一个穿流。
4.根据权利要求2或3所述的废气后处理装置，其特征在于，所述消声器室(20,22,23)中的一些如此构造为对于所述废气部分流(25a,25b,25c)特有的消声器室，即使得相应的消声器室一直仅仅由所述废气部分流(25a,25b,25c)中的仅仅一个穿流。
5.根据权利要求4所述的废气后处理装置，其特征在于，其它的消声器室(19,21,24)如此构造为对于所述废气部分流(25a,25b,25c)共同的消声器室，即相应的消声器室由所述废气部分流(25a,25b,25c)中的多个共同穿流。
6.根据权利要求2到5中任一项所述的废气后处理装置，其特征在于，所述废气净化室(13,14,15)和所述消声器室(19,20,21,22,23,24)在流动方面相互平行地如此布置，即使得第i个废气部分流的该特有的或每个特有的废气净化室和消声器室在流动方面平行于第(i+1)个废气部分流的该特有的或每个特有的废气净化室和消声器室连接，其中i=1到(N-1)。
7.根据权利要求2到6中任一项所述的废气后处理装置，其特征在于，所述废气净化室(13,14,15)和所述消声器室(19,20,21,22,23,24)在空间方面相互连续地如此布置，即使得第i个废气部分流的该特有的或每个特有的废气净化室和消声器室在空间方面布置在第(i+1)个废气部分流的该特有的或每个特有的废气净化室和消声器室之前，其中i=1到(N-1)。
8.根据权利要求1到7中任一项所述的废气后处理装置，其特征在于，所述消声器室(19,20,21,22,23,24)中的至少一些具有不同的深度。
9.根据权利要求1到8中任一项所述的废气后处理装置，其特征在于，所有的消声器室(19,20,21,22,23,24)具有不同的深度。
10.根据权利要求1到9中任一项所述的废气后处理装置，其特征在于，所有的废气净化室(13,14,15)和所有的消声器室(19,20,21,22,23,24)共同构造在所述罩壳(11)中或集成到所述罩壳(11)中。
CN201580027190.9A 2014-05-24 2015-04-10 废气后处理装置 Active CN106460600B (zh)

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