CN105971693B - A kind of disturbing flow device of diesel motor exhaust post-processing - Google Patents

A kind of disturbing flow device of diesel motor exhaust post-processing Download PDF

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Publication number
CN105971693B
CN105971693B CN201610483205.9A CN201610483205A CN105971693B CN 105971693 B CN105971693 B CN 105971693B CN 201610483205 A CN201610483205 A CN 201610483205A CN 105971693 B CN105971693 B CN 105971693B
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China
Prior art keywords
mixed
shell
plate
flow device
equal
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Expired - Fee Related
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CN201610483205.9A
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Chinese (zh)
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CN105971693A (en
Inventor
黄黎敏
黄利锦
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GUIZHOU HUANGDI DIESEL ENGINE CLEANER CO Ltd
Original Assignee
HANGZHOU YICHE VEHICLE DECONTAMINATION MACHINE CO Ltd
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Priority to CN201610483205.9A priority Critical patent/CN105971693B/en
Publication of CN105971693A publication Critical patent/CN105971693A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust 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
    • F01N3/023Exhaust 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 using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/025Exhaust 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 using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2260/00Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/20Exhaust treating devices having provisions not otherwise provided for for heat or sound protection, e.g. using a shield or specially shaped outer surface of exhaust device

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

The present invention provides a kind of disturbing flow device of diesel motor exhaust post-processing, the disturbing flow device includes shell, the flange at shell both ends is set and equal splenium part inside housings and mixed component are set, the equal splenium part is used to press the mixed gas for entering disturbing flow device and the pressure of mixed gas is made to be able to equilibrium, the mixed component is for mixing the mixed gas after equal splenium part is pressed again and to be sufficiently mixed by the mixed gas of mixed component, oxidation catalyst and particulate filter are sent by the mixed mixed gas of mixed component.The present invention is used in combination by equal splenium part and mixed component, to achieve the effect that it is mixed that the mixed gas after mixed gases caused by the tail gas heated to firing up device and firing up device carries out, make the permanent regeneration of DPF trap to reach, it is ruptured caused by avoiding DPF trap from locally regenerating, solves the problems, such as DPF trap frequent regeneration.

Description

A kind of disturbing flow device of diesel motor exhaust post-processing
Technical field
The invention belongs to diesel engine realms, fill more particularly, to a kind of flow-disturbing of diesel motor exhaust post-processing It sets.
Background technique
When diesel engine (vehicle) tail gas is by ART(Active Regeneration Treatment) system, first by oxidized form Catalyst converter (DOC), by oxidation catalysis, is converted to water and carbon dioxide to carbon monoxide in tail gas exhaust and hydrocarbon.Again The finely ground particles in tail gas are trapped by particulate filter (DPF), when the delay of particulate matter is so that exhaust back pressure reaches When systemic presupposition value, automatic starting ignition heat riser regenerates the particulate matter being deposited in particulate filter, uses The device can make (DPF) regeneration more evenly.In this case, it needs to disturb hot fluid caused by firing up device Stream process, if firing up device may light a fire repeatedly, without flow-disturbing processing so as to cause particulate filter (DPF) Local temperature it is excessively high and rupture.
Currently, the flow spoiler that there is some post-process for diesel motor exhaust on the market and be arranged, but these are disturbed Stream device otherwise structure it is too simple and cause effect bad or be exactly result it is excessively complicated and cause design cost and manufacture at This increase.
Summary of the invention
It is an object of the present invention to provide a kind of disturbing for diesel motor exhaust post-processing for insufficient present on Flow device.
For this purpose, the present invention adopts the following technical scheme:
A kind of disturbing flow device of diesel motor exhaust post-processing, the disturbing flow device and diesel motor exhaust post-process The connection of firing up device, after mixed gases caused by the tail gas and firing up device that firing up device is heated Enter disturbing flow device as mixed gas and carries out mixed processing;The disturbing flow device includes shell, the method that shell both ends are arranged in Blue and setting equal splenium part inside housings and mixed component, are arranged transition between the equal splenium part and mixed component Chamber, the adapter cavity is for accommodating the mixed gas after equal splenium part is pressed and being conveyed to mixing to the airflow downstream of mixed gas Component, the equal splenium part are used to carry out the mixed gas for entering disturbing flow device pressure to handle and make the pressure of mixed gas It is able to equilibrium, the mixed component is used for carrying out mixed processing again through equal splenium part mixed gas of pressing that treated and make It is sufficiently mixed by the mixed gas of mixed component, the mixed gas after mixed component mixed processing is sent into oxidized form catalysis Device and particulate filter.The present invention is used in combination by equal splenium part and mixed component, to reach to firing up device Mixed gas after mixed gases caused by the tail gas and firing up device heated carries out the effect of mixed processing, from And reaching makes the permanent regeneration of DPF trap, ruptures caused by avoiding DPF trap from locally regenerating, and solves DPF trap frequency Numerous regenerated problem.
Preferably, the equal splenium part includes equal pressing plate, and the equal pressing plate is equably arranged along the circumferential inner wall of shell; The axis direction of the equal pressing plate and shell is angularly disposed at 60 ° ~ 80 °, and the inner wall of the equal pressing plate and shell is suitable at 60 ° ~ 80 ° Mixed gas airflow direction setting.The present invention makes mixed gas be capable of forming spiral shell by such set-up mode of equal pressing plate Shape air-flow is revolved, and reduces the droop loss of mixed gas by such set-up mode.
Preferably, the mixed component includes mixed plate, and the mixed plate is equably arranged along the circumferential inner wall of shell; The axis direction of the mixed plate and shell is angularly disposed at 60 ° ~ 80 °, and the inner wall of the mixed plate and shell is suitable at 60 ° ~ 80 ° Mixed gas airflow direction setting.The present invention enables spiral helicine mixed gas by such set-up mode of mixed plate It is enough mixed, and pass through the droop loss of this set-up mode reduction mixed gas.
Preferably, equal pressing plate is angularly disposed counterclockwise along the axis direction of shell, mixed plate along shell axis side To clockwise it is angularly disposed;Or pressing plate is angularly disposed clockwise along the axis direction of shell, mixed plate is along shell Axis direction is angularly disposed counterclockwise.The present invention is the inclination of opposite direction by the equal pressing plate of setting and mixed plate, so as to The helical form mixed gas air-flow handled through equal pressing plate pressure is enabled to be mixed plate mixed processing again at uniform Mixed gas air-flow, thus the uniform mixing demand that further satisfaction is of the invention.
Preferably, equal pressing plate is 3, and mixed plate is 3;Equal pressing plate or mixed plate are the Axial-rotational Symmetry along shell It is arranged on shell;The equal pressing plate of 3 be arranged on shell or 3 mixed plates on the flange at shell both ends be projected as containing The annulus of equilateral triangle circular hole.
Preferably, the superposition projection of the equal pressing plate of 3 be arranged on shell and 3 mixed plates on the flange at shell both ends For the annulus containing regular hexagon circular hole.
Preferably, equal pressing plate or mixed plate are the shape of half water droplet.The present invention is by being arranged equal pressing plate and mixed plate as half The shape of water droplet may be not present disturbing flow device trapped inside and increase to only change the flow direction of disturbing flow device internal mix gas The case where pressure is the droop loss to reduce mixed gas.
Preferably, meet between the equal pressing plate of equal splenium part and the mixed plate of mixed component along the distance of shell axis mixed Plywood mixed gas through equal pressing plate convergence after convergent point in.The present invention improves mixed plate mixing by such set-up mode The uniformity coefficient for mixed gas that treated.
Preferably, the shell includes internal and external double-layer, and inner sleeve is arranged in the equal splenium part and mixed component Heat-insulation chamber is set between the barrel of both inside, inner sleeve and outer tube.The present invention completely cuts off enclosure interior by setting heat-insulation chamber With external heat transfer, to reduce the heat loss of mixed gas.
Preferably, horn mouth is arranged along downstream one end of mixed gas airflow direction in the inner sleeve.The present invention passes through Horn mouth is set in order to avoid bringing resistance to the air-flow of mixed gas and increasing intraductal pressure.
The present invention provides a kind of disturbing flow device of diesel motor exhaust post-processing, passes through technical side presented above Case can be realized the permanent regeneration of DPF trap, avoid mixed gas mixing unevenly uneven to the heating of DPF trap and The DPF trap partial fracture of generation, solves the problems, such as DPF trap frequent regeneration, through the invention provided flow-disturbing Device enables to the area of 90% or more DPF trap that can regenerate, and prevents the blocking again in a short time of DPF trap And promotes differential pressure pickup frequent transmission signal and make the frequent passive regeneration of DPF trap.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the disturbing flow device of diesel motor exhaust post-processing provided by the present invention;
Fig. 2 is a kind of front section view of the disturbing flow device of diesel motor exhaust post-processing provided by the present invention;
Fig. 3 is a kind of solid of the inner sleeve of the disturbing flow device of diesel motor exhaust post-processing provided by the present invention Figure;
Fig. 4 is a kind of bottom view of the disturbing flow device of diesel motor exhaust post-processing provided by the present invention;
Fig. 5 is the equal pressing plate or mixed plate of a kind of disturbing flow device of diesel motor exhaust post-processing provided by the present invention Schematic diagram;
In figure: 1- shell;2- flange;The equal pressing plate of 3-;4- mixed plate;5- adapter cavity;101- inner sleeve;102- outer tube; 103- heat-insulation chamber;104- horn mouth.
Specific embodiment
The present invention is described in further detail referring to the drawings and specific embodiments.
A kind of disturbing flow device of diesel motor exhaust post-processing, the point of disturbing flow device and diesel motor exhaust post-processing Fiery heat riser connects, and becomes after mixed gases caused by the tail gas and firing up device that firing up device is heated Mixed gas enters disturbing flow device and carries out mixed processing;Disturbing flow device include shell 1, the flange 2 that shell both ends are set and One group of equal pressing plate 3 and one group of mixed plate 4 inside housings is set, adapter cavity 5, transition are set between equal pressing plate 3 and mixed plate 4 Chamber 5 is for accommodating the mixed gas after equal pressing plate 3 is pressed and being conveyed to mixed plate 4, equal pressing plate 3 to the airflow downstream of mixed gas It handles for carrying out pressure to the mixed gas for entering disturbing flow device and the pressure of mixed gas is made to be able to equilibrium, mixed plate 4 For carrying out mixed processing again to mixed gas of pressing that treated through equal pressing plate 3 and making the mixed gas by mixed plate 4 It is sufficiently mixed, the mixed gas after 4 mixed processing of mixed plate is sent into oxidation catalyst and particulate filter.
Equal pressing plate 3 is equably arranged along the circumferential inner wall of shell 1;The axis direction of equal pressing plate 3 and shell 1 at 60 ° ~ 80 ° angularly disposed, and the inner wall of equal pressing plate 3 and shell 1 is arranged at 60 ° ~ 80 ° airflow directions along mixed gas.
Mixed plate 4 is equably arranged along the circumferential inner wall of shell 1;The axis direction of mixed plate 4 and shell 1 at 60 ° ~ 80 ° angularly disposed, and the inner wall of mixed plate 3 and shell 1 is arranged at 60 ° ~ 80 ° airflow directions along mixed gas.
Equal pressing plate 3 is angularly disposed counterclockwise along the axis direction of shell 1, and mixed plate 4 is suitable along the axis direction of shell 1 Hour hands are angularly disposed;Or pressing plate 3 is angularly disposed clockwise along the axis direction of shell 1, mixed plate 4 is along shell 1 Axis direction is angularly disposed counterclockwise.
Equal pressing plate 3 is 3, and mixed plate 4 is 3;Equal pressing plate 3 or mixed plate 4 are to set along the Axial-rotational Symmetry of shell 1 It sets on shell;The equal pressing plate 3 of 3 be arranged on shell 1 or 3 mixed plates 3 are projected as on the flange 2 at 1 both ends of shell Annulus containing equilateral triangle circular hole.Method of equal pressing plate 3 and 3 mixed plate 4 of 3 be arranged on shell 1 at 1 both ends of shell Superposition on orchid 2 is projected as the annulus containing regular hexagon circular hole.
Distance between equal pressing plate and mixed plate along shell axis is 120 ~ 130 mm.
Shell 1 includes internal and external double-layer, and the inside of inner sleeve 101, inner sleeve 101 is arranged in equal pressing plate 3 and mixed plate 4 Heat-insulation chamber 103 is set between the barrel of both outer tubes 102.
Horn mouth 104 is arranged along downstream one end of mixed gas airflow direction in inner sleeve 101.
Above-mentioned specific embodiment is used to illustrate the present invention, is merely a preferred embodiment of the present invention, rather than Limit the invention, within the spirit of the invention and the scope of protection of the claims, to the present invention make any modification, Equivalent replacement, improvement etc., both fall within protection scope of the present invention.

Claims (8)

1. a kind of disturbing flow device of diesel motor exhaust post-processing, which is characterized in that the disturbing flow device and diesel engine The firing up device of exhaust aftertreatment connects, gas caused by the tail gas and firing up device that firing up device is heated Body becomes mixed gas and enters the mixed processing of disturbing flow device progress after mixing;The disturbing flow device includes shell, is arranged in shell The flange at body both ends and setting equal splenium part inside housings and mixed component, between the equal splenium part and mixed component Adapter cavity is set, and the adapter cavity is for accommodating the mixed gas after equal splenium part is pressed and defeated to the airflow downstream of mixed gas Mixed component is given, the equal splenium part is used to carry out pressure to the mixed gas for entering disturbing flow device to handle and make gaseous mixture The pressure of body is able to equilibrium, and the mixed component is used for that mixed gas to carry out at mixing again to pressing that treated through equal splenium part It manages and to be sufficiently mixed by the mixed gas of mixed component, the mixed gas after mixed component mixed processing is sent into oxygen Change type catalyst converter and particulate filter;
The equal splenium part is equal pressing plate, and the equal pressing plate is equably arranged along the circumferential inner wall of shell;The equal pressing plate with The axis direction of shell is angularly disposed at 60 °~80 °, and the inner wall of the equal pressing plate and shell is at 60 °~80 ° along mixed gas Airflow direction setting;
The mixed component is mixed plate, and the mixed plate is equably arranged along the circumferential inner wall of shell;The mixed plate with The axis direction of shell is angularly disposed at 60 °~80 °, and the inner wall of the mixed plate and shell is at 60 °~80 ° along mixed gas Airflow direction setting.
2. a kind of disturbing flow device of diesel motor exhaust post-processing according to claim 1, which is characterized in that equal pressing plate Angularly disposed counterclockwise along the axis direction of shell, mixed plate is angularly disposed clockwise along the axis direction of shell;Or Equal pressing plate is angularly disposed clockwise along the axis direction of shell, and mixed plate oblique is counterclockwise set along the axis direction of shell It sets.
3. a kind of disturbing flow device of diesel motor exhaust post-processing according to claim 1, which is characterized in that equal pressing plate It is 3, mixed plate is 3;Equal pressing plate or mixed plate are to be arranged on shell along the Axial-rotational Symmetry of shell;It is arranged in shell 3 equal pressing plates or 3 mixed plates on body are projected as the annulus containing equilateral triangle circular hole on the flange at shell both ends.
4. a kind of disturbing flow device of diesel motor exhaust post-processing according to claim 3, which is characterized in that setting exists The superposition of 3 equal pressing plates and 3 mixed plates on the flange at shell both ends on shell is projected as containing regular hexagon circular hole Annulus.
5. a kind of disturbing flow device of diesel motor exhaust post-processing according to claim 1, which is characterized in that equal pressing plate Or mixed plate is the shape of half water droplet.
6. a kind of disturbing flow device of diesel motor exhaust post-processing according to claim 1, which is characterized in that equal splenium Meet mixed plate along the distance of shell axis between the equal pressing plate of part and the mixed plate of mixed component to be pressed in mixed gas In convergent point after plate convergence.
7. a kind of disturbing flow device of diesel motor exhaust post-processing according to claim 1, which is characterized in that the shell Body includes internal and external double-layer, and the inside of inner sleeve, inner sleeve and outer tube two is arranged in the equal splenium part and mixed component Heat-insulation chamber is set between the barrel of person.
8. a kind of disturbing flow device of diesel motor exhaust post-processing according to claim 7, which is characterized in that in described Horn mouth is arranged along downstream one end of mixed gas airflow direction in casing.
CN201610483205.9A 2016-06-28 2016-06-28 A kind of disturbing flow device of diesel motor exhaust post-processing Expired - Fee Related CN105971693B (en)

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CN201610483205.9A CN105971693B (en) 2016-06-28 2016-06-28 A kind of disturbing flow device of diesel motor exhaust post-processing

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Application Number Priority Date Filing Date Title
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CN105971693B true CN105971693B (en) 2019-06-14

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110159406B (en) * 2019-07-09 2024-01-23 苏州怀德自控科技有限公司 Diesel engine tail gas processor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104564243A (en) * 2014-12-31 2015-04-29 杭州纯化科技有限公司 Special straight pipe disturber for DPF low-temperature regeneration igniter of diesel engine
CN204691863U (en) * 2014-12-31 2015-10-07 杭州纯化科技有限公司 The special bend pipe flow spoiler of diesel engine DPF low-temp recovery igniter
CN204804905U (en) * 2015-06-06 2015-11-25 杭州携蓝环保科技有限公司 Initiative regenerating unit and initiative regeneration system of diesel particulate filter
CN205330772U (en) * 2015-12-08 2016-06-22 安徽艾可蓝节能环保科技有限公司 Mix vortex device
CN205840956U (en) * 2016-06-28 2016-12-28 贵州黄帝车辆净化器有限公司 A kind of disturbing flow device of diesel motor exhaust post processing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8789363B2 (en) * 2007-06-13 2014-07-29 Faurecia Emissions Control Technologies, Usa, Llc Emission abatement assembly having a mixing baffle and associated method
US8869518B2 (en) * 2009-09-15 2014-10-28 Tenneco Automotive Operating Company Inc. Burner for a diesel aftertreatment system
CN203584530U (en) * 2013-12-04 2014-05-07 张家口百通环保科技有限公司 Static mixing system for SCR (Selective Catalytic Reduction) post-treatment system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104564243A (en) * 2014-12-31 2015-04-29 杭州纯化科技有限公司 Special straight pipe disturber for DPF low-temperature regeneration igniter of diesel engine
CN204691863U (en) * 2014-12-31 2015-10-07 杭州纯化科技有限公司 The special bend pipe flow spoiler of diesel engine DPF low-temp recovery igniter
CN204804905U (en) * 2015-06-06 2015-11-25 杭州携蓝环保科技有限公司 Initiative regenerating unit and initiative regeneration system of diesel particulate filter
CN205330772U (en) * 2015-12-08 2016-06-22 安徽艾可蓝节能环保科技有限公司 Mix vortex device
CN205840956U (en) * 2016-06-28 2016-12-28 贵州黄帝车辆净化器有限公司 A kind of disturbing flow device of diesel motor exhaust post processing

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Address after: 556099 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou

Patentee after: GUIZHOU HUANGDI DIESEL ENGINE CLEANER Co.,Ltd.

Address before: 556000 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou

Patentee before: GUIZHOU HUANGDI DIESEL ENGINE CLEANER Co.,Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A turbulence device for post-treatment of diesel engine exhaust

Effective date of registration: 20220424

Granted publication date: 20190614

Pledgee: Guizhou Kaili Rural Commercial Bank Co.,Ltd. Development Zone sub branch

Pledgor: GUIZHOU HUANGDI DIESEL ENGINE CLEANER CO.,LTD.

Registration number: Y2022520000021

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190614