WO2005088092A1 - Honeycomb made of metal sheets for the purification of exhaust from ic engine - Google Patents

Honeycomb made of metal sheets for the purification of exhaust from ic engine Download PDF

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Publication number
WO2005088092A1
WO2005088092A1 PCT/CN2005/000268 CN2005000268W WO2005088092A1 WO 2005088092 A1 WO2005088092 A1 WO 2005088092A1 CN 2005000268 W CN2005000268 W CN 2005000268W WO 2005088092 A1 WO2005088092 A1 WO 2005088092A1
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WO
WIPO (PCT)
Prior art keywords
engine
purification device
plate
cylindrical core
wave
Prior art date
Application number
PCT/CN2005/000268
Other languages
French (fr)
Chinese (zh)
Inventor
Rongkang Liu
Original Assignee
Rongkang Liu
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 Rongkang Liu filed Critical Rongkang Liu
Publication of WO2005088092A1 publication Critical patent/WO2005088092A1/en

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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
    • 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
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2814—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates all sheets, plates or foils being corrugated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/30—Honeycomb supports characterised by their structural details
    • F01N2330/32—Honeycomb supports characterised by their structural details characterised by the shape, form or number of corrugations of plates, sheets or foils

Definitions

  • the invention relates to a metal core body of an exhaust gas purification device outside an engine, in particular to a metal core body of an exhaust gas purification device outside an engine of a motor vehicle. Background technique
  • the existing external exhaust gas purification device of a motor vehicle uses a clay-type core body, which has a poor strength, that is, a poor thermal shock resistance.
  • the motor vehicle is easily vibrated and broken during dynamic driving, and loses the purification function.
  • the use of ceramic cores in the production press process is limited by process conditions, and the number of holes (mesh) per unit area is limited. Currently it can only reach 400? L / square inch, the side purification area is limited. This type of product has low thermal conductivity, high thermal capacity, poor seismic performance, large converter volume and large footprint at the same efficiency. Disclosure of invention
  • the invention provides a metal core of an engine exhaust gas purification device with a reasonable structure, good thermal conductivity, good heat capacity, and good shock resistance. It solves the technical problems of fragile vibration, low thermal conductivity, and high heat capacity in the prior art. .
  • the above technical problem of the present invention is solved by the following technical solution:
  • the metal core of the exhaust purification device for the engine engine is composed of a positioning plate and an axial corrugated plate.
  • the axial corrugated plate is a continuous wave-shaped corrugated plate.
  • the grooves are parallel to each other and separated by a certain distance, and the distance is an integral multiple of the wave period length of the axial corrugated plate; the wave peaks corresponding to the grooves of the axial corrugated plate and the positioning plate are inlaid with the grooves of the positioning plate to form a plate body.
  • the plate body is wound into a cylindrical core body adapted to the cross section of the exhaust purification device outside the engine.
  • the cylindrical core body may be a cylindrical core body, an elliptical cylindrical core body or a rectangular cylindrical core body.
  • the metal core body of the engine exhaust gas purification device of the invention has strong shock resistance, good thermal conductivity, small volume at the same efficiency, improves the catalyst adhesion, can prolong the service life of the catalyst, and strengthens and improves the catalysis of harmful gases. Purification effect. BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a schematic longitudinal sectional view of an engine exhaust purification device
  • FIG. 2 is a schematic cross-sectional view taken along A-A in FIG. 1;
  • FIG. 3 is a schematic structural view of a plate body composed of an axial corrugated plate and a positioning plate.
  • the metal core of the engine exhaust gas purification device of the present invention is composed of a positioning plate 1 and an axial corrugated plate 2.
  • the material of the positioning plate 1 and the axial corrugated plate 2 is a special stainless steel sheet (iron (Element body), which is characterized in that: the axial corrugated plate 2 is a continuous wave-shaped wave plate, the axial corrugated plate 2 has a wave period length of 3 mm and an amplitude of 1.8 mm; Parallel and spaced 6 mm apart; the axial corrugated plate 2 and the positioning plate 1 are stacked correspondingly, the crests corresponding to the axial corrugated plate and the positioning plate groove 3 are inlaid with the positioning plate groove 3 to form a plate body, and the plate body is wound Into a cylindrical core body 4 adapted to the cross section of the exhaust gas purification device outside the engine.
  • the grooves 3 of the positioning plate 1 are parallel to each other and separated by a distance of 9 mm.
  • Example 4 It is basically the same as Embodiment 1, except that the cylindrical core 4 is an elliptical cylindrical core.
  • Example 4 is an elliptical cylindrical core.
  • the pillar core 4 is a square pillar core.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

The present invention relates to a honeycomb for the purification of exhaust from internal combustion engine. The said honeycomb is made of a wave metal sheet (2) and a locating metal sheet (1). Said locating metal sheet (1) is provided with concave troughs (3) that are parallel with each other by an interval which is multiple of the pitch of the wave of the wave metal sheet (2). The wave crest of the sheet (2) is axially set in the through (3) of sheet (1). The sheet (1) and sheet (2) are combined with each other to form a plate of which a column honeycomb (4) is made by winding. The advantages of the invention are as following: with good conduction for heat, improved resistance for vibration, excellent purification for exhaust gas, and being long duration life and small in size.

Description

发动机机外尾气净化装置金属芯体 技术领域  TECHNICAL FIELD
本发明涉及一种发动机机外尾气净化装置金属芯体，尤其是一种 机动车发动机机外尾气净化装置金属芯体。 背景技术  The invention relates to a metal core body of an exhaust gas purification device outside an engine, in particular to a metal core body of an exhaust gas purification device outside an engine of a motor vehicle. Background technique
为了减少汽车尾气对环境造成的污染，改善和净化机动车行驶中 排放的有害气体 （CO、 HC、 NOX ) 除了首先实施发动机机内精净 化（电喷发动机）夕卜， 还必须配合使用机外净化装置来补充解决尾气 净化问题。  In order to reduce the environmental pollution caused by automobile exhaust, improve and purify the harmful gases (CO, HC, NOX) emitted during the driving of motor vehicles. In addition to first implementing the internal purification of the engine (electric injection engine), it must also be used outside the engine. Purification device to supplement the problem of exhaust gas purification.
现有机动车机外尾气净化装置采用陶土型芯体，其强度差， 即热 抗震力差， 机动车在动态行驶过程中容易震动破碎， 失去净化功能。 使用陶瓷芯体在生产压制过程中，受工艺条件的限制，单位面积的孔 (目）数有局限性， 目前最高只能达到 400？ L/平方英寸， 侧净化面 积受到一定局限。这类产品热导性低、 热容量高、 抗震性能差、在同 等效率下转化器体积大， 占用空间大。 发明的公开  The existing external exhaust gas purification device of a motor vehicle uses a clay-type core body, which has a poor strength, that is, a poor thermal shock resistance. The motor vehicle is easily vibrated and broken during dynamic driving, and loses the purification function. The use of ceramic cores in the production press process is limited by process conditions, and the number of holes (mesh) per unit area is limited. Currently it can only reach 400? L / square inch, the side purification area is limited. This type of product has low thermal conductivity, high thermal capacity, poor seismic performance, large converter volume and large footprint at the same efficiency. Disclosure of invention
本发明提供了一种结构合理， 导热性能好， 热容量 ， 抗震性能 好的发动机机外尾气净化装置金属芯体；解决了现有技术存在的震动 易碎， 热导性低、 热容量高的技术问题。 本发明的上述技术问题是通过下述技术方案解决的：发动机机外 尾气净化装置金属芯体， 由定位板和轴向波紋板构成，轴向波紋板为 连续波浪形波紋板，定位板带有凹槽，凹槽相互平行且相隔一定间距， 其间距为轴向波纹板波浪周期长度的整倍数；轴向波纹板和定位板凹 槽对应的波峰与定位板凹槽镶嵌， 构成板体，该板体卷绕成与发动机 机外尾气净化装置横截面相适配的柱体芯体，柱体芯体可以是圆柱体 芯体， 椭圆柱体芯体或方柱体芯体。 The invention provides a metal core of an engine exhaust gas purification device with a reasonable structure, good thermal conductivity, good heat capacity, and good shock resistance. It solves the technical problems of fragile vibration, low thermal conductivity, and high heat capacity in the prior art. . The above technical problem of the present invention is solved by the following technical solution: The metal core of the exhaust purification device for the engine engine is composed of a positioning plate and an axial corrugated plate. The axial corrugated plate is a continuous wave-shaped corrugated plate. The grooves are parallel to each other and separated by a certain distance, and the distance is an integral multiple of the wave period length of the axial corrugated plate; the wave peaks corresponding to the grooves of the axial corrugated plate and the positioning plate are inlaid with the grooves of the positioning plate to form a plate body. The plate body is wound into a cylindrical core body adapted to the cross section of the exhaust purification device outside the engine. The cylindrical core body may be a cylindrical core body, an elliptical cylindrical core body or a rectangular cylindrical core body.
本发明发动机机外尾气净化装置金属芯体，抗震性能强、热导性 能好、 同等效率下体积小， 提高了催化剂的附着力， 可以延长催化剂 的使用寿命， 加强并提高了对有害气体的催化净化效果。 附图说明  The metal core body of the engine exhaust gas purification device of the invention has strong shock resistance, good thermal conductivity, small volume at the same efficiency, improves the catalyst adhesion, can prolong the service life of the catalyst, and strengthens and improves the catalysis of harmful gases. Purification effect. BRIEF DESCRIPTION OF THE DRAWINGS
图 1为发动机机外尾气净化装置纵向剖面示意图；  FIG. 1 is a schematic longitudinal sectional view of an engine exhaust purification device;
图 2为图 1的 A-A剖面示意图；  FIG. 2 is a schematic cross-sectional view taken along A-A in FIG. 1;
图 3为轴向波纹板和定位板构成的板体结构示意图。  FIG. 3 is a schematic structural view of a plate body composed of an axial corrugated plate and a positioning plate.
实现本发明的最佳方法 The best way to implement the invention
下面结合具体实施例和跗图，对本发明发动机机外尾气净化装置 金属芯体作进一步详细说明。  The metal core body of the exhaust gas purification device for the engine of the present invention will be further described in detail in combination with specific embodiments and drawings.
实施例 1: Example 1 :
本发明的发动机机外尾气净化装置金属芯体，由定位板 1和轴向 波纹板 2构成，定位板 1和轴向波纹板 2材质为特种不锈钢薄板（铁 素体)， 其特征是： 轴向波纹板 2为连续波浪形波浪板， 轴向波紋板 2波浪周期长度为 3毫米， 振幅为 1.8毫米； 定位板 1带有凹槽 3， 凹槽 3相互平行且相隔 6毫米间距；轴向波纹板 2与定位板 1对应叠 放，轴向波紋板与定位板凹槽 3对应的波峰与定位板凹槽 3镶嵌，构 成板体，该板体卷绕成与发动机机外尾气净化装置横截面相适配的圆 柱体芯体 4。 The metal core of the engine exhaust gas purification device of the present invention is composed of a positioning plate 1 and an axial corrugated plate 2. The material of the positioning plate 1 and the axial corrugated plate 2 is a special stainless steel sheet (iron (Element body), which is characterized in that: the axial corrugated plate 2 is a continuous wave-shaped wave plate, the axial corrugated plate 2 has a wave period length of 3 mm and an amplitude of 1.8 mm; Parallel and spaced 6 mm apart; the axial corrugated plate 2 and the positioning plate 1 are stacked correspondingly, the crests corresponding to the axial corrugated plate and the positioning plate groove 3 are inlaid with the positioning plate groove 3 to form a plate body, and the plate body is wound Into a cylindrical core body 4 adapted to the cross section of the exhaust gas purification device outside the engine.
实施例 2:  Example 2:
与实施例 1基本相同，所不同的是：定位板 1的凹槽 3相互平行 且相隔 9毫米间距。  It is basically the same as the first embodiment, except that the grooves 3 of the positioning plate 1 are parallel to each other and separated by a distance of 9 mm.
实施例 3: ·  Example 3:
与实施例 1基本相同，所不同的是：柱体芯体 4为椭圆柱体芯体。 实施例 4:  It is basically the same as Embodiment 1, except that the cylindrical core 4 is an elliptical cylindrical core. Example 4:
与实施例 1基本相同， 所不同的是： 柱体芯体 4为方柱体芯体。  It is basically the same as Embodiment 1, except that the pillar core 4 is a square pillar core.

Claims

权 利 要 求 Rights request
1. 一种发动机机外尾气净化装置金属芯体， 其特征是： 由定位 板（1)和轴向波纹板（2)构成， 轴向波纹板 （2) 为连续波浪形波 紋板， 定位板（1)带有凹槽（3)， 凹槽（3)相互平行且相隔一定间 距， 其间距为轴向波紋板（2)波浪周期长度的整倍数； 轴向波紋板 1. A metal core for an engine exhaust gas purification device, characterized by: a positioning plate (1) and an axial corrugated plate (2), the axial corrugated plate (2) is a continuous wave-shaped corrugated plate, and a positioning plate (1) With grooves (3), the grooves (3) are parallel to each other and spaced a certain distance, and the distance is an integral multiple of the wave period length of the axial corrugated plate (2);
(2) 与定位板凹槽（3)对应的波峰与定位板凹槽（3)镶嵌， 构成 板体，该板体卷绕成与发动机机外尾气净化装置横截面相适配的柱体 芯体（4)。 (2) The wave peak corresponding to the positioning plate groove (3) is inlaid with the positioning plate groove (3) to form a plate body, and the plate body is wound into a cylindrical core that matches the cross section of the exhaust purification device outside the engine Body (4).
2. 根据权利要求 1所述的发动机机外尾气净化装置金属芯体， 其特征是： 所述的柱体芯体（4) 为圆柱体芯体。  2. The metal core of an external exhaust purification device for an engine according to claim 1, wherein the cylindrical core (4) is a cylindrical core.
3. 根据权利要求 1所述的发动机机外尾气净化装置金属芯体， 其特征是： 所述的柱体芯体（4) 为椭圆柱体芯体。  3. The metal core of an exhaust purification device for an external engine according to claim 1, wherein the cylindrical core (4) is an elliptical cylindrical core.
4. 根据权利要求 1所述的发动机机外尾气净化装置金属芯体， 其特征是： 所述的柱体芯体（4) 为方柱体芯体。  4. The metal core of an external exhaust purification device for an engine according to claim 1, wherein the cylindrical core (4) is a rectangular cylindrical core.
PCT/CN2005/000268 2004-03-11 2005-03-07 Honeycomb made of metal sheets for the purification of exhaust from ic engine WO2005088092A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200420025303 2004-03-11
CN200420025303.0 2004-03-11

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845073A (en) * 1987-01-19 1989-07-04 Emitec Gesellschaft Fur Emissionstechnologie Mbh Metal catalyst carrier body having two dissimilarly corrugated sheet-metal layers
CN1090372A (en) * 1992-12-09 1994-08-03 埃米特放射技术股份有限公司 Catalytic exhaust-gas converter and production method thereof
CN2214530Y (en) * 1994-12-27 1995-12-06 上海久新搪瓷厂新桥分厂 Automotive tail gas purifier
CN1192798A (en) * 1995-08-07 1998-09-09 发射技术有限公司 Device and process for producing honeycomb body
CN1200055A (en) * 1995-10-20 1998-11-25 发射技术有限公司 Honeycomb element of sheet-metal layers with reinforcement features

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845073A (en) * 1987-01-19 1989-07-04 Emitec Gesellschaft Fur Emissionstechnologie Mbh Metal catalyst carrier body having two dissimilarly corrugated sheet-metal layers
CN1090372A (en) * 1992-12-09 1994-08-03 埃米特放射技术股份有限公司 Catalytic exhaust-gas converter and production method thereof
CN2214530Y (en) * 1994-12-27 1995-12-06 上海久新搪瓷厂新桥分厂 Automotive tail gas purifier
CN1192798A (en) * 1995-08-07 1998-09-09 发射技术有限公司 Device and process for producing honeycomb body
CN1200055A (en) * 1995-10-20 1998-11-25 发射技术有限公司 Honeycomb element of sheet-metal layers with reinforcement features

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