CN103452630B - 排气管路 - Google Patents

排气管路 Download PDF

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CN103452630B
CN103452630B CN201310211611.6A CN201310211611A CN103452630B CN 103452630 B CN103452630 B CN 103452630B CN 201310211611 A CN201310211611 A CN 201310211611A CN 103452630 B CN103452630 B CN 103452630B
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metallic walls
gas exhaust
exhaust piping
cavity
glass fibre
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CN103452630A (zh
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T.埃格
C.阿尔古斯
H-P.格拉夫
H.克里斯特尔
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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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
    • F16L59/163—Branch units ; Insulation forming a whole with branches
    • 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
    • F01N13/14—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 thermal insulation
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/102—Other arrangements or adaptations of exhaust conduits of exhaust manifolds having thermal insulation
    • 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
    • F01N13/14—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 thermal insulation
    • F01N13/141—Double-walled exhaust pipes or housings
    • 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
    • F01N13/16—Selection of particular materials
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1861—Construction facilitating manufacture, assembly, or disassembly the assembly using parts formed by casting or moulding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/10—Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage
    • F16L59/103—Rigid covers for tee pieces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/147—Arrangements for the insulation of pipes or pipe systems the insulation being located inwardly of the outer surface of the pipe
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/04—Metallic wool, e.g. steel wool, copper wool or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)

Abstract

排气管路。本发明涉及一种用于内燃机的排气管路（10），所述排气管路具有内金属壁（11）和外金属壁（12），其中在所述内金属壁（11）和所述外金属壁（12）之间定位有由纤维制成的热绝缘体（13），其中所述内金属壁（11）和所述外金属壁（12）由一体的铸造构件（14）提供，并且其中所述热绝缘体（13）由玻璃纤维连续纤维（15）提供。

Description

排气管路
技术领域
本发明涉及一种排气管路。此外，本发明还涉及一种用于制造用于内燃机的排气管路的方法。
背景技术
由DE 10 2009 052 834 A1已知一种用于内燃机的排气管路，所述排气管路包括内金属管和外金属管，其中在所述内金属管和所述外金属管之间定位有热绝缘体。所述排气管路的、定位在所述金属管之间的热绝缘体根据DE 10 2009 052 834 A1由纤维构成、也就是由无次序的金属纤维构成。
发明内容
据此，本发明的任务在于，提出一种新型的排气管路和一种用于制造这种排气管路的方法。
该任务通过下述排气管路解决：所述排气管路具有内金属壁和外金属壁，其中在所述内金属壁和所述外金属壁之间定位有由纤维制成的热绝缘体，其中根据本发明，所述内金属壁和所述外金属壁由一体的铸造构件提供，其中所述热绝缘体由玻璃纤维连续纤维提供。
在根据本发明的排气管路中，所述内金属壁和所述外金属壁由一体的铸造构件提供。在所述铸造构件的内金属壁和外金属壁之间定位有热绝缘体，所述热绝缘体由玻璃纤维连续纤维提供。这样的排气管路能够特别有利地制造。
按照一种有利的改进方案，将所述玻璃纤维连续纤维引入、优选吹入到在所述内金属壁与所述外金属壁之间的至少一个空腔中。将所述玻璃纤维连续纤维吹入到在所述内金属壁与所述外金属壁之间的所述空腔或者每个空腔中，在制造技术方面特别有利。
用于制造用于内燃机的排气管路的、根据本发明的方法具有下列步骤：
提供具有所述内金属壁和所述外金属壁的铸造构件；
将玻璃纤维连续纤维作为热绝缘体引入到所述铸造构件的所述内金属壁与所述外金属壁之间。
附图说明
本发明的优选的改进方案由随后的说明给出。借助附图对本发明的实施例进行详细阐述，但本发明不局限于此。附图中：
图1示出根据本发明的排气管路的横截面。
附图标记列表
10 排气管路
11 内金属壁
12 外金属壁
13 热绝缘体
14 铸造构件
15 玻璃纤维连续纤维
16 输入管路
17 输出管路
18 输出管路。
具体实施方式
图1示出用于内燃机的排气管路10的优选的实施例，其中所述排气管路10包括内金属壁11和外金属壁12。
所述内金属壁11规定了用于排气的流动通道。所述外金属壁12向外相对于周围环境限定排气管路10。
所述内金属壁11和所述外金属壁12在根据本发明的排气管路10中由一体的铸造构件14提供，所述铸造构件通过铸造工艺制造。
在所述内金属壁11和所述外金属壁12之间定位有由纤维制成的热绝缘体13，其中所述热绝缘体13由玻璃纤维连续纤维15提供。
将所述玻璃纤维连续纤维15引入、尤其吹入到构造在所述内金属壁11和所述外金属壁12之间的至少一个空腔中。将所述玻璃纤维连续纤维15吹入到在所述内金属壁11与所述外金属壁12之间的所述空腔或者每个空腔中是特别有利的，此外能够将所述玻璃纤维连续纤维15以任意密度引入到所述空腔或者每个空腔中。
在图1中示出的排气管路10具有带有一个用于排气的输入管路16和两个用于排气的输出管路17、18的、基本上为T形的轮廓。与此不同还可以是，图1的排气管路10具有两个用于排气的输入管路和一个用于排气的输出管路，则其中所述输入管路是所述元件17和18并且所述输出管路是所述元件16。
此外，本发明还涉及一种用于制造这种排气管路10的方法。首先提供铸造构件14，所述铸造构件包括所述内金属壁11和所述外金属壁12。随后将所述玻璃纤维连续纤维15作为热绝缘体13引入到所述铸造构件14的所述内金属壁11与所述外金属壁12之间，尤其通过将玻璃纤维连续纤维15吹入到构造在所述内金属壁11和所述外金属壁12之间的所述空腔或者每个空腔中的方式。
据此，根据本发明的排气管路10是双壁的铸造管路件。所述铸造管路件铸造为整体部件。将作为热绝缘体的玻璃纤维连续纤维15以任意密度引入到所述铸造构件14的所述空腔或者每个空腔中，所述空腔在所述内金属壁11和所述外金属壁12之间，所述内金属壁11限定排气流动通道，所述外金属壁12向外限定所述铸造构件14。
所述排气管路10是用于内燃机、尤其用于大型柴油发动机如船用柴油内燃机的排气管路。在此，所述铸造构件14的所述空腔或者每个空腔的体积尤其在20000到30000dm3的尺寸等级中，将玻璃纤维连续纤维15以任意密度引入到所述空腔中。

Claims (8)

1.一种用于内燃机的排气管路（10），所述排气管路具有内金属壁（11）和外金属壁（12），其中在所述内金属壁（11）和所述外金属壁（12）之间定位有由纤维制成的热绝缘体（13），其特征在于，所述内金属壁（11）和所述外金属壁（12）由一体的铸造构件（14）提供，并且所述热绝缘体（13）由玻璃纤维连续纤维（15）提供，其中所述排气管路具有带有一个输入管路（16）和两个输出管路（17、18）的T形轮廓或者所述排气管路具有带有一个输出管路（16）和两个输入管路（17、18）的T形轮廓。
2.按照权利要求1所述的排气管路，其特征在于，将所述玻璃纤维连续纤维（15）引入到在所述铸造构件（14）的所述内金属壁（11）与所述外金属壁（12）之间的至少一个空腔中。
3.按照权利要求2所述的排气管路，其特征在于，将所述玻璃纤维连续纤维（15）吹入到所述空腔或者每个空腔中。
4.按照权利要求1所述的排气管路，其特征在于，所述内燃机是大型柴油发动机。
5.按照权利要求4所述的排气管路，其特征在于，所述大型柴油发动机是船用柴油内燃。
6.一种用于制造按照权利要求1到5中任一项所述的用于内燃机的排气管路的方法，所述方法具有下列步骤：
提供具有所述内金属壁（11）和所述外金属壁（12）的铸造构件（14）；
将玻璃纤维连续纤维（15）作为热绝缘体（13）引入到所述铸造构件（14）的所述内金属壁（11）与所述外金属壁（12）之间。
7.按照权利要求6所述的方法，其特征在于，将所述玻璃纤维连续纤维（15）引入到在所述内金属壁（11）与所述外金属壁（12）之间的至少一个空腔中。
8.按照权利要求7所述的方法，其特征在于，将所述玻璃纤维连续纤维（15）吹入到所述空腔或者每个空腔中。
CN201310211611.6A 2012-06-01 2013-05-31 排气管路 Active CN103452630B (zh)

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DE201210209277 DE102012209277A1 (de) 2012-06-01 2012-06-01 Abgasleitung
DE102012209277.3 2012-06-01

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Publication number Priority date Publication date Assignee Title
US5404716A (en) * 1994-02-24 1995-04-11 Caterpillar Inc. Internally insulated gas manifold
CN1380489A (zh) * 2002-05-30 2002-11-20 山东大学 一种发动机排气管及其一体化制备工艺
CN101054931A (zh) * 2006-03-17 2007-10-17 曼柴油机欧洲股份公司 用于多缸气体－和柴油发动机的排气管路系统
CN201121534Y (zh) * 2007-11-07 2008-09-24 奇瑞汽车股份有限公司 发动机排气歧管
DE102009052834A1 (de) * 2009-11-13 2011-05-19 Bdd Beteiligungs Gmbh Thermoisoliertes Doppelmetallrohr

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