WO2021212743A1 - Emballage de post-traitement de gaz d'échappement - Google Patents

Emballage de post-traitement de gaz d'échappement Download PDF

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Publication number
WO2021212743A1
WO2021212743A1 PCT/CN2020/118244 CN2020118244W WO2021212743A1 WO 2021212743 A1 WO2021212743 A1 WO 2021212743A1 CN 2020118244 W CN2020118244 W CN 2020118244W WO 2021212743 A1 WO2021212743 A1 WO 2021212743A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
housing
bolt
treatment
nut
Prior art date
Application number
PCT/CN2020/118244
Other languages
English (en)
Chinese (zh)
Inventor
慕玉龙
汪勇
李伟
Original Assignee
天纳克（苏州）排放系统有限公司
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 天纳克（苏州）排放系统有限公司 filed Critical 天纳克（苏州）排放系统有限公司
Publication of WO2021212743A1 publication Critical patent/WO2021212743A1/fr

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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
    • 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
    • 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
    • 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
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets 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
    • 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
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat

Definitions

  • the invention relates to a tail gas post-treatment package, belonging to the technical field of engine tail gas post-treatment.
  • Diesel particulate trap is used to collect particulate matter in diesel exhaust gas. When the particulate matter is collected to a certain extent, the diesel particulate trap needs to be cleaned, otherwise it will seriously increase the back pressure of the system, which is not conducive to the normal operation of the system.
  • the object of the present invention is to provide an exhaust gas post-treatment package that can better realize the sealing at the installation position of the second post-treatment component.
  • an exhaust gas after-treatment package which includes an outer shell, a first after-treatment component located in the outer shell, and a second after-treatment component located downstream of the first after-treatment component.
  • a processing assembly, the second post-processing assembly includes a second housing and a diesel particulate trap enclosed in the second housing, and the outer housing is provided with an opening for detaching the second after-processing assembly;
  • the exhaust gas post-treatment package includes a cylindrical portion sleeved on the periphery of the second housing, the cylindrical portion is provided with a first protrusion protruding radially outward; the second housing is provided with There is a second protrusion protruding outward in the radial direction; the exhaust gas after-treatment package further includes a sealing element clamped between the first protrusion and the second protrusion, and the A connecting piece fixed to the second housing and a force applying component capable of pushing the connecting piece to make the second housing tightly abut on the sealing piece.
  • the present invention is provided with a connecting piece fixed to the second housing, and the connecting piece is pushed by the force applying member, so that the second housing is tightly abutted on the sealing piece. Seal at the installation location of the second post-processing component.
  • Fig. 1 is a three-dimensional schematic diagram of the exhaust gas post-treatment package of the present invention in the first embodiment.
  • Fig. 2 is a front view of Fig. 1.
  • Fig. 3 is a partially exploded perspective view of Fig. 1.
  • Fig. 4 is a perspective exploded view of one of the bolt assemblies in Fig. 3.
  • Fig. 5 is a further perspective exploded view of Fig. 3.
  • Fig. 6 is an exploded perspective view of the end plate and the second post-processing component in Fig. 5.
  • Fig. 7 is a three-dimensional schematic diagram of the exhaust gas post-treatment package of the present invention after the outer casing is removed.
  • Fig. 8 is a bottom view of Fig. 7.
  • Fig. 9 is a cross-sectional view taken along the line B-B in Fig. 8.
  • Fig. 10 is a partial enlarged view of the circled part C in Fig. 9.
  • Fig. 11 is a partially exploded perspective view of Fig. 7.
  • Fig. 12 is a schematic cross-sectional view taken along the line D-D in Fig. 2.
  • Fig. 13 is a partial enlarged view of the circled part E in Fig. 12.
  • Fig. 14 is a schematic cross-sectional view taken along the line F-F in Fig. 2.
  • Fig. 15 is a schematic cross-sectional view taken along line G-G in Fig. 2.
  • Fig. 16 is a schematic cross-sectional view taken along line H-H in Fig. 2.
  • Fig. 17 is a three-dimensional schematic diagram of the exhaust gas post-treatment package of the present invention in the second embodiment.
  • Fig. 18 is a partially exploded perspective view of Fig. 17.
  • Fig. 19 is a front view of Fig. 17.
  • Fig. 20 is a schematic cross-sectional view taken along the line I-I in Fig. 19.
  • the present invention discloses an exhaust gas after-treatment package 100, which includes an outer casing 1, a first baffle 21 and a second baffle 22 located in the outer casing 1 and spaced apart. , The intake pipe 31 for the exhaust gas to enter, the exhaust pipe 32 for the exhaust gas to flow out, the first post-treatment carrier assembly 51, the second post-treatment carrier assembly 52, the third post-treatment carrier assembly 53, the mixing tube assembly 6, and The bracket assembly 7 is installed on the outer shell 1.
  • the first post-processing carrier assembly 51 includes a first housing 511 and a diesel oxidation catalyst (DOC) 512 enclosed in the first housing 511;
  • the processing carrier assembly 52 includes a second housing 521 and a diesel particulate filter (DPF) 522 enclosed in the second housing 521;
  • the third post-processing carrier assembly 53 includes a third housing 531 and is enclosed in The selective catalytic reduction agent (SCR) 532 in the third housing 531.
  • the third post-processing carrier assembly 53 is two groups arranged side by side.
  • the second post-treatment carrier assembly 52 is located downstream of the first post-treatment carrier assembly 51, and the third post-treatment carrier assembly 53 is located downstream of the second post-treatment carrier assembly 52.
  • the exhaust gas after-treatment package 100 includes a cylindrical portion 23 penetrating the first baffle 21 and the second baffle 22.
  • the cylindrical portion 23 is welded and fixed to the first baffle 21 and the second baffle 22.
  • the first housing 511 and the second housing 521 are both contained in the cylindrical portion 23.
  • the barrel portion 23 is provided with a first protrusion 231 (for example, a flaring or a flange) protruding outward in the radial direction.
  • the second housing 521 is provided with a second protrusion 520 protruding radially outward.
  • the exhaust gas post-treatment package 100 further includes a sealing member 523 clamped between the first protrusion 231 and the second protrusion 520.
  • the sealing member 523 is a second sealing gasket sleeved on the second housing 521.
  • the exhaust gas after-treatment package 100 further includes a connecting member 524 fixed to the second housing 521.
  • the connecting member 524 is an end plate 525 located on the end surface of the second housing 521, and the end plate 525 is provided with a plurality of abutments.
  • Pressure surface 5251 In the illustrated embodiment of the present invention, there are three pressing surfaces 5251 and are evenly distributed along the circumferential direction.
  • the outer shell 1 is provided with an opening 111 for detaching the second post-processing carrier assembly 52.
  • the exhaust gas after-treatment package 100 includes an end cover assembly 112 for mating with the opening 111 and a clamp 115 for detaching the end cover assembly 112.
  • the exhaust gas after-treatment package 100 includes a first convex hull 41 fixed on the second baffle 22, and the first convex hull 41 is provided with The first flange 1111 at the opening 111.
  • the end cover assembly 112 includes an end cover 1121, a second flange 1122 formed on the end cover 1121, and a force applying component installed on the end cover 1121.
  • the exhaust gas post-treatment package 100 further includes a first sealing gasket 114 clamped between the first flange 1111 and the second flange 1122 to achieve better sealing.
  • the force application member passes through the end cover 1121, and can push the connecting member 524 so that the second housing 521 closely abuts on the sealing member 523, so as to achieve a better seal.
  • the force applying component is a bolt assembly 113.
  • the bolt assembly 113 is in three groups, and each group includes a bolt 1131 and an internal thread that cooperates with the bolt 1131.
  • each bolt assembly 113 includes a first nut 1132 and a second nut 1133, and the internal threads are formed on the inner surfaces of the first nut 1132 and the second nut 1133.
  • the second nut 1133 is welded and fixed to the end cover 1121, and the first nut 1132 is close to the second nut 1133.
  • the bolt 1131 passes through the first nut 1132 and the second nut 1133.
  • the connecting member 524 is a support frame 526 located on the end surface of the second housing 521, and the support frame 526 is provided with a center
  • the bolt assembly 113 includes a nut 1134 that cooperates with the bolt 1131, the internal thread is located on the nut 1134, and the bolt 1131 can push the abutment portion 5261 when rotating.
  • the barrel portion 23 is provided with a plurality of protrusions 232 for positioning the second housing 521. This arrangement can prevent the end of the second post-processing carrier assembly 52 away from the bolt assembly 113 from shaking.
  • the bracket assembly 7 includes a first bracket 71 and a second bracket 72 arranged in parallel, a first connecting portion 73 and a second connecting portion 74 connecting the first bracket 71 and the second bracket 72, and connected to the first bracket 71 and the second bracket 72.
  • the two sets of rope assemblies 75 on the first bracket 71 and the second bracket 72 are described.
  • the rope assembly 75 is tied to the outer shell 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

Emballage de post-traitement de gaz d'échappement (100) qui comprend un boîtier (1), et un premier ensemble de support de post-traitement (51) et un second ensemble de support de post-traitement (52) situés dans le boîtier (1). Le second ensemble de support de post-traitement (52) comprend un second boîtier (521), et un collecteur de particules diesel (522) renfermé dans le second boîtier (521). Une ouverture (111) permettant le retrait du second ensemble de support de post-traitement (52) est aménagée sur le boîtier (1). Le boîtier de post-traitement d'échappement (100) comprend une partie corps de cylindre (23) emmanchée sur la périphérie du second boîtier (521). Une première partie saillante (231) faisant saillie radialement vers l'extérieur est disposée sur la partie corps de cylindre (23). Une seconde partie saillante (520) faisant saillie radialement vers l'extérieur est disposée sur le second boîtier (521). L'emballage de post-traitement de gaz d'échappement (100) comprend en outre un élément d'étanchéité (523) maintenu entre la première partie en saillie (231) et la seconde partie en saillie (520), un élément de liaison (524) fixé au second boîtier (521), et un composant d'application de force apte à pousser l'élément de liaison (524) pour amener le second boîtier (521) à être étroitement ajusté à l'élément d'étanchéité (523).
PCT/CN2020/118244 2020-04-21 2020-09-28 Emballage de post-traitement de gaz d'échappement WO2021212743A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010315263.7A CN111365103A (zh) 2020-04-21 2020-04-21 尾气后处理封装
CN202010315263.7 2020-04-21

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WO2021212743A1 true WO2021212743A1 (fr) 2021-10-28

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WO (1) WO2021212743A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111365103A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130007837A (ko) * 2011-07-11 2013-01-21 현대자동차주식회사 차량용 배기 가스 후처리 장치
CN207761779U (zh) * 2017-12-28 2018-08-24 天纳克（苏州）排放系统有限公司 发动机排气后处理装置
CN209637847U (zh) * 2019-03-12 2019-11-15 无锡威孚力达催化净化器有限责任公司 Scr后处理筒体连接密封装置
CN111365104A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装
CN111365103A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装
CN111365102A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装
CN111365111A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装
CN111365105A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130007837A (ko) * 2011-07-11 2013-01-21 현대자동차주식회사 차량용 배기 가스 후처리 장치
CN207761779U (zh) * 2017-12-28 2018-08-24 天纳克（苏州）排放系统有限公司 发动机排气后处理装置
CN209637847U (zh) * 2019-03-12 2019-11-15 无锡威孚力达催化净化器有限责任公司 Scr后处理筒体连接密封装置
CN111365104A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装
CN111365103A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装
CN111365102A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装
CN111365111A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装
CN111365105A (zh) * 2020-04-21 2020-07-03 天纳克（苏州）排放系统有限公司 尾气后处理封装

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