CN113898445A - Split type postprocessor structure and car - Google Patents

Split type postprocessor structure and car Download PDF

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Publication number
CN113898445A
CN113898445A CN202111011262.4A CN202111011262A CN113898445A CN 113898445 A CN113898445 A CN 113898445A CN 202111011262 A CN202111011262 A CN 202111011262A CN 113898445 A CN113898445 A CN 113898445A
Authority
CN
China
Prior art keywords
component
processor architecture
mixer
split post
encapsulation part
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.)
Pending
Application number
CN202111011262.4A
Other languages
Chinese (zh)
Inventor
刘志辉
欧阳凤霞
张宏飞
戈锐
雷刚勤
刘金
李智
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.)
Dongfeng Commercial Vehicle Co Ltd
Original Assignee
Dongfeng Commercial Vehicle Co Ltd
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 Dongfeng Commercial Vehicle Co Ltd filed Critical Dongfeng Commercial Vehicle Co Ltd
Priority to CN202111011262.4A priority Critical patent/CN113898445A/en
Publication of CN113898445A publication Critical patent/CN113898445A/en
Pending legal-status Critical Current

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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
    • F01N3/18—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]
    • 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
    • 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
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
    • 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
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification 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
    • 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
    • F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
    • 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

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

Abstract

The invention discloses a split type post-processor structure and an automobile. It includes first encapsulation part and second encapsulation part, first encapsulation part arranges in the middle of vehicle first axle and two axles, second encapsulation part arranges in the frame top behind whole car driver's cabin. The invention solves the problem of poor vehicle trafficability of the vehicle frame caused by the arrangement space of the postprocessor through a split structure, can meet the arrangement requirement of a large-displacement engine, and gives consideration to the fuel economy and emission requirements of the engine. Meets the requirements of the post-processing system in the automobile industry and has practical value.

Description

Split type postprocessor structure and car
Technical Field
The invention belongs to the technical field of automobile postprocessors, and particularly relates to a split type postprocessor structure and an automobile.
Background
Chinese patent application publication no: CN 108331643A, entitled "A compact DOC-DPF-SCR aftertreatment device", discloses a compact DOC-DPF-SCR aftertreatment device, which is integrally U-shaped in structure. The double-cylinder design can better take the characteristics of emission and space into account, has good matching advantages in the whole vehicle application compared with the traditional box type aftertreatment device, and can be assembled vertically, horizontally, obliquely and the like according to the actual installation space so as to cater to the installation space of a double-front-axle compact vehicle type.
Also as the Chinese patent grant publication number: CN207554168U discloses an exhaust aftertreatment device, which comprises a housing, and a DOC component, a DPF component, two SCR components, a urea mixer and an exhaust pipe … … located in the housing, the aftertreatment device has a relatively large structure, and is difficult to arrange between bridges of vehicles 1-2.
The above prior art has the following drawbacks: the structure of the double-cylinder U-shaped post processor is not compact enough in the vertical direction, so that the overall size of the vehicle post processor in the vertical direction is large, the vehicle passing mode is poor, and the vehicle post processor cannot be suitable for vehicles with complex road conditions; secondly, because the arrangement space of the double front axle vehicle is very limited, and a large-displacement engine needs a large-volume postprocessor carrier, the postprocessing structure cannot adapt to the discharge requirement of the large-displacement engine; thirdly, due to the limitation of the arrangement capacity of the carrier, the exhaust back pressure of the engine is increased, so that the design of an after-treatment system is difficult to realize the requirements of fuel economy and emission.
Disclosure of Invention
The present invention is directed to solve the above-mentioned drawbacks of the prior art, and provides a split type post-processor structure and an automobile.
The technical scheme adopted by the invention is as follows: the utility model provides a split type postprocessor structure, includes first encapsulation part and second encapsulation part, first encapsulation part arranges in the middle of vehicle axle and two axles, second encapsulation part arranges in the frame top behind whole car driver's cabin.
In a further preferred configuration, the first package member and the second package member are connected by a connection pipe.
A further preferred structure, a DOC component and a DPF component are arranged inside the first package component; the second package component has disposed therein an SCR component and an ASC carrier.
Further preferred is a structure further comprising a mixer disposed within the first package part or disposed within the second package part.
In a further preferable structure, a urea nozzle is arranged at the bottom of the mixer.
In a further preferred structure, the DOC component is connected with a fuel injection end.
In a further preferred configuration, a partition is provided between the DOC component and the DPF component.
In a further preferred configuration, a partition is provided between the mixer and the DPF member.
In a further preferred configuration, a partition is provided between the mixer and the SCR component.
An automobile comprising the split aftertreatment processor arrangement.
The invention has the beneficial effects that: through split type structure, solve the frame and arrange the poor problem of whole car trafficability characteristic that the space leads to because of the aftertreatment ware, can satisfy the demand of arranging of large discharge engine to compromise the demand of engine fuel economy and emission. Meets the requirements of the post-processing system in the automobile industry and has practical value.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, the present invention relates to a split type post-processor structure, which includes a first packaging component 1 and a second packaging component 2, wherein the first packaging component 1 is disposed between a first axle and a second axle of a vehicle, and the second packaging component 2 is disposed above a frame behind a cab of the vehicle.
The first and second packing parts 1 and 2 are connected by a connection pipe 3.
A DOC component 4 and a DPF component 5 are arranged in the first packaging component 1; the second package part 2 has an SCR part 6 and an ASC carrier 7 arranged therein.
Also included is mixer 8, example 1: said mixer 8 is arranged within the first package part 1; example 2: said mixer 8 is arranged inside the second enclosing part 2.
And the bottom of the mixer 8 is provided with a urea nozzle 9.
The DOC component 4 is connected with a fuel injection end.
And a partition is arranged between the DOC component 4 and the DPF component 5.
And a partition is arranged between the mixer 8 and the DPF part 5.
And a partition is arranged between the mixer 8 and the SCR component 6.
An automobile comprising the split aftertreatment processor arrangement.
Here, it should be noted that the description of the above technical solutions is exemplary, the present specification may be embodied in different forms, and should not be construed as being limited to the technical solutions set forth herein. Rather, these descriptions are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the present invention is limited only by the scope of the claims.
The shapes, sizes, ratios, angles, and numbers disclosed to describe aspects of the specification and claims are examples only, and thus, the specification and claims are not limited to the details shown. In the following description, when a detailed description of related known functions or configurations is determined to unnecessarily obscure the focus of the present specification and claims, the detailed description will be omitted.
Where the terms "comprising", "having" and "including" are used in this specification, there may be another part or parts unless otherwise stated, and the terms used may generally be in the singular but may also be in the plural.
It should be noted that although the terms "first," "second," "top," "bottom," "side," "other," "end," "other end," and the like may be used and used in this specification to describe various components, these components and parts should not be limited by these terms. These terms are only used to distinguish one element or section from another element or section. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with the top and bottom elements being interchangeable or switchable with one another, where appropriate, without departing from the scope of the present description; the components at one end and the other end may be of the same or different properties to each other.
Further, in constituting the component, although it is not explicitly described, it is understood that a certain error region is necessarily included.
Those not described in detail in this specification are within the skill of the art.

Claims (10)

1. A split post-processor architecture, comprising: including first encapsulation part (1) and second encapsulation part (2), first encapsulation part (1) is arranged in the middle of vehicle axle and two axles, second encapsulation part (2) are arranged in the frame top behind whole car driver's cabin.
2. The split post-processor architecture of claim 1, wherein: the first packaging part (1) and the second packaging part (2) are connected through a connecting pipe (3).
3. A split post-processor architecture according to claim 1 or 2, wherein: a DOC component (4) and a DPF component (5) are arranged in the first packaging component (1); the second package part (2) has an SCR part (6) and an ASC carrier (7) arranged therein.
4. A split post-processor architecture as claimed in claim 3, wherein: further comprising a mixer (8), the mixer (8) being arranged within the first package part (1) or within the second package part (2).
5. The split post-processor architecture of claim 4, wherein: and a urea nozzle (9) is arranged at the bottom of the mixer (8).
6. A split post-processor architecture as claimed in claim 3, wherein: the DOC component (4) is connected with a fuel injection end.
7. A split post-processor architecture as claimed in claim 3, wherein: and a partition is arranged between the DOC component (4) and the DPF component (5).
8. The split post-processor architecture of claim 4, wherein: and a partition is arranged between the mixer (8) and the DPF part (5).
9. The split post-processor architecture of claim 4, wherein: and a partition is arranged between the mixer (8) and the SCR component (6).
10. An automobile, characterized in that: comprising a split post-processor architecture as claimed in any one of claims 1 to 9.
CN202111011262.4A 2021-08-31 2021-08-31 Split type postprocessor structure and car Pending CN113898445A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111011262.4A CN113898445A (en) 2021-08-31 2021-08-31 Split type postprocessor structure and car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111011262.4A CN113898445A (en) 2021-08-31 2021-08-31 Split type postprocessor structure and car

Publications (1)

Publication Number Publication Date
CN113898445A true CN113898445A (en) 2022-01-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170276053A1 (en) * 2016-03-25 2017-09-28 Caterpillar Inc. After-Treatment System
CN207466775U (en) * 2017-09-30 2018-06-08 东风商用车有限公司 A kind of refuse sweeping chassis
CN109026295A (en) * 2018-08-22 2018-12-18 东风商用车有限公司 A kind of system and method deteriorating preprocessor
CN212318137U (en) * 2020-05-28 2021-01-08 东风汽车股份有限公司 Post-processor assembly suitable for light passenger vehicle type chassis arrangement and mounting structure thereof
CN212671898U (en) * 2020-05-14 2021-03-09 东风康明斯发动机有限公司 Diesel engine tail gas treatment system with closed-loop control
CN213928511U (en) * 2020-12-15 2021-08-10 广西玉柴机器股份有限公司 Sectional type aftertreatment structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170276053A1 (en) * 2016-03-25 2017-09-28 Caterpillar Inc. After-Treatment System
CN207466775U (en) * 2017-09-30 2018-06-08 东风商用车有限公司 A kind of refuse sweeping chassis
CN109026295A (en) * 2018-08-22 2018-12-18 东风商用车有限公司 A kind of system and method deteriorating preprocessor
CN212671898U (en) * 2020-05-14 2021-03-09 东风康明斯发动机有限公司 Diesel engine tail gas treatment system with closed-loop control
CN212318137U (en) * 2020-05-28 2021-01-08 东风汽车股份有限公司 Post-processor assembly suitable for light passenger vehicle type chassis arrangement and mounting structure thereof
CN213928511U (en) * 2020-12-15 2021-08-10 广西玉柴机器股份有限公司 Sectional type aftertreatment structure

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Application publication date: 20220107