CN105569781A - Vehicle-mounted ash removing system for diesel particulate filter and control method of vehicle-mounted ash removing system - Google Patents
Vehicle-mounted ash removing system for diesel particulate filter and control method of vehicle-mounted ash removing system Download PDFInfo
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- CN105569781A CN105569781A CN201510887351.3A CN201510887351A CN105569781A CN 105569781 A CN105569781 A CN 105569781A CN 201510887351 A CN201510887351 A CN 201510887351A CN 105569781 A CN105569781 A CN 105569781A
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- control valve
- ashes
- air compressor
- vehicle
- engine
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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
- F01N3/02—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
- F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0233—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 using means for regenerating the filters, e.g. by burning trapped particles periodically cleaning filter by blowing a gas through the filter in a direction opposite to exhaust flow, e.g. exposing filter to engine air intake
-
- 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
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- 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
- Y02T10/40—Engine management systems
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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)
Abstract
The invention discloses a vehicle-mounted ash removing system for a diesel particulate filter. The vehicle-mounted ash removing system comprises an engine, a particulate filter, an air compressor, a filtering device, a pressure sensor, an engine ECU (Electronic Control Unit), an exhaust connecting pipeline and a control valve, wherein the air compressor and the filtering device are connected to the downstream part and the upstreampart of the particulate filter in an engine exhaust system by the exhaust connecting pipeline and the control valve; the air compressor and the control valve are controlled by the engine ECU through wiring harnesses; the air compressor provides back-blowing high-pressure air current for removing non-combustible ash in the particulate filter, and the removed ash is collected by the filtering device. The vehicle-mounted ash removing system disclosed by the invention can be directly arranged on a vehicle through the exhaust connecting pipeline and the control valve and has the effects of effectively eliminating a deteriorating action of the ash to the working performance of the particulate filter, and also preventing ash substances from blocking the particulate filter, and prolonging the service life of the particulate filter.
Description
Technical field
The present invention relates to automotive emission control field, particularly relate to a kind of vehicle-mounted ashes scavenge system and controlling method thereof of bavin machine oil after-treatment device particle trapper.
Technical background
As far back as 2005, the shortest service cycle of the vehicle-mounted diesel engine particle catcher of emission control AEM of U.S. regulation heavy truck must reach 150000km, in October, 2007, Environmental Protection in China portion has issued the Press release of GB20890-2007 " the control system life requirement of heavy-duty car tailpipe emission and test method " for the life requirement of automobile after-treatment device, corresponding regulation is also made to the life requirement of automobile after-treatment device, thus has guaranteed that the after-treatment device of automobile can normally work in vehicle-mounted using process.
Ashes material in particle trapper refers to the non-combustible material in exhaust gas particulate, its circulation along with regenerative process is carried out being accumulated in filter duct blocking particle trapper, being the major influence factors in restriction particle trapper working life, is also that diesel engine manufacturer applies one of bottleneck that particle trapper faces.In particle trapper, the ashes material of constantly accumulation can block filter duct, in addition, the ashes of continuous accumulation can form fine and close ash layers at filter inlet port wall and end, worsen the service behaviour of particle trapper and motor, as increased the particle trapper pressure loss, the power character reducing motor and Economy etc.Therefore, in order to meet the life requirement of automobile after-treatment device, regularly effective removing must be carried out to the ashes material deposited in vehicle-mounted particle trapper.The present invention by increasing back-blowing device in particle trapper system, and the ashes of the blowback high pressure draught periodic cleaning particle trapper deposition utilizing air compressor to provide, eliminate ashes material to the impact of particle trapper endurance quality.
Summary of the invention
Object of the present invention aims to provide the vehicle-mounted ashes scavenge system of a kind of diesel engine particle catcher, consider the deterioration to particle trapper endurance quality and service behaviour in filter duct of non-combustible ashes photosynthetic matter accumulation in exhaust gas composition, avoiding ashes to deposit causes particle trapper can not meet vehicle-mounted life requirement, prevents ashes from worsening particle trapper service behaviour.The vehicle-mounted scavenge system of particle trapper carrys out the flow direction of exhaust and blowback air-flow in control system by the control valve of its upstream and downstream, the high pressure draught blowback particle trapper utilizing air compressor to provide, the ashes material deposited in particle trapper is blown away, adopt the ashes material in filtrating equipment recovery high pressure blowback air-flow, prevent ashes Substances Pollution air, conveniently secondary recovery utilization is carried out to it.
To achieve these goals, technological scheme of the present invention is as follows:
The vehicle-mounted ashes scavenge system of a kind of diesel engine particle catcher, comprise air compressor, particle trapper, filtrating equipment, pressure transducer, engine control valve, filtrating equipment control valve, gas exhausting valve and air compressor control valve, it is characterized in that: described air compressor is connected to the downstream of particle trapper in engine exhaust system by pipeline and air compressor control valve, filtrating equipment is connected to the upstream of particle trapper in engine exhaust system by pipeline and filtrating equipment control valve, pressure transducer is arranged between engine control valve and particle trapper, pressure sensor monitoring to exhaust back pressure input Engine ECU by wire harness, air compressor, engine control valve, filtrating equipment control valve, gas exhausting valve and air compressor control valve accept the control of Engine ECU by wire harness, pneumatics function remains in the non-combustible ashes in filter after providing blowback high pressure draught removing particle trapper to regenerate, filtrating equipment can collect the ashes material filtering and be mingled with in blowback high pressure draught.
Present invention also offers the controlling method of the vehicle-mounted ashes scavenge system of a kind of diesel engine particle catcher, it is characterized in that, comprise the following steps:
Step one: after particle trapper regeneration ending, by pressure sensor monitoring engine back pressure P
test, under contrast is stored in the motor current working in ECU, particle trapper ashes removing back pressure judges limit value P
limif, P
test>=P
lim, ECU sends the instruction that particle trapper needs to remove, and now, vehicle-mounted tutorial light flicker, remind driver to be prepared to stop and carry out ashes removing, otherwise vehicle normally runs;
Step 2: after parking, manual triggers ashes scavenge system, vehicle-mounted ashes scavenge system is started working, Engine ECU is by the switch of wire harness control valve and the startup of air compressor, first engine control valve and gas exhausting valve transfer closed condition to from opening state, filtrating equipment control valve and air compressor control valve transfer opening state to by closed condition, then air compressor starts, the high pressure draught that air compressor provides flows to from particle trapper rear end through connecting tube, blowback particle trapper, ash particles blowback from particle trapper is taken away by high pressure draught, be mingled with the high pressure draught of ash particles through filtrating equipment, ash particles is wherein filtered and is retained in filtrating equipment,
Step 3: particle trapper is by after blowback a period of time, and Engine ECU controls air compressor and quits work, when the pressure value P that pressure sensor monitoring arrives
testequal atmospheric pressure P
atmtime, Engine ECU sending valve gate control instruction, filtrating equipment control valve and air compressor control valve are closed, and engine control valve and gas exhausting valve are opened;
Step 4: start vehicle, by pressure sensor monitoring engine back pressure P
test, contrast is stored in the exhaust pressure normal value P under the motor current working in ECU
eif, P
test≤ (1+5%) P
e, then ashes are removed complete, and vehicle can normally run, otherwise duplicated system job step two and step 3, until P
test≤ (1+5%) P
e.
Step 5: if after step 2 and step 3 repeated work 3 times, the exhaust pressure P monitored
teststill can not meet the demands, both P
test> (1+5%) P
e, Engine ECU judges that particle trapper system or ashes scavenge system break down, and vehicle after-treatment system needs to carry out maintenance and inspection.
The invention has the beneficial effects as follows:
(1) vehicle-mounted ashes scavenge system of the present invention is by pneumatics function direct blowback particle trapper on vehicle-mounted, the non-combustible ashes material of deposition in effective removing particle trapper, prevent ashes material from blocking particle trapper, extend particle trapper vehicle-mounted working life;
(2) vehicle-mounted ashes scavenge system of the present invention confirms ashes sedimentation state in particle trapper in time by engine operating condition and back pressure parameter, prevent ashes excess deposition in particle trapper, avoid ashes to the deterioration of particle trapper service behaviour;
(3) in vehicle-mounted ashes scavenge system of the present invention, ECU can adjust air compressor blowback high pressure draught pressure and blowback time in real time according to ashes sedimentation state, can reduce energy consumption while cleaning ashes;
(4) in vehicle-mounted ashes scavenge system of the present invention, filtrating equipment can effectively filter and collect the ashes material in blowback air-flow, prevent ashes material from entering air, befouling environment, effectively can reclaim the precious metal catalyst composition comprised in ashes material simultaneously, carry out secondary utilization to it.
(5) vehicle-mounted ashes scavenge system of the present invention is directly installed on vehicle by exhaust connection road, carries out without the need to unloading after-treatment system and safeguarding when ashes are removed to particle trapper, simple to operation.
Accompanying drawing explanation
Fig. 1 diesel engine particle catcher vehicle-mounted ashes scavenge system structural drawing;
Fig. 2 diesel engine particle catcher vehicle-mounted ashes scavenge system workflow diagram.
Wherein:
1-motor, 2-air compressor, 3-particle trapper, 4-filtrating equipment, 5-Engine ECU, 6-pressure transducer, 7-engine control valve, 8-filtrating equipment control valve, 9-gas exhausting valve, 10-air compressor control valve.
Specific implementation method
Below in conjunction with accompanying drawing, the vehicle-mounted ashes scavenge system of a kind of diesel engine particle catcher of the present invention is described in detail below.
Diesel engine particle catcher ashes scavenge system as shown in Figure 1, it comprises air compressor 2, particle trapper 3, filtrating equipment 4, pressure transducer 6, engine control valve 7, filtrating equipment control valve 8, gas exhausting valve 9 and air compressor control valve 10, motor 1 is connected with particle trapper 3 with engine control valve 7 by pipeline, air compressor 2 is connected to the downstream of particle trapper 3 in engine exhaust system by pipeline and air compressor control valve 10, filtrating equipment 4 is connected between engine control valve 7 and particle trapper 3 by pipeline and filtrating equipment control valve 8, pressure transducer 6 is arranged between engine control valve 7 and particle trapper 3, gas exhausting valve 9 is arranged on particle trapper 3 exhaust duct end, Engine ECU 5 is by wire harness connecting engine 1, air compressor 2, pressure transducer 6, engine control valve 7, filtrating equipment control valve 8, gas exhausting valve 9 and air compressor control valve 10.
In specific implementation process, Engine ECU 5 receives the exhaust back pressure that monitors of pressure transducer 6 and motor 1 work information by wire harness, and regulates and controls the working state of air compressor 2 and each connection valve; Engine ECU 5 can according to the exhaust back pressure P of monitoring as shown in Figure 2
test, ashes remove back pressure judge limit value P
limwith exhaust pressure normal value P
ecomparison situation judge the opening and closing state of ashes scavenge system, if P
test>=P
lim, Engine ECU 5 judges that ashes scavenge system needs to open, if P
test≤ (1+5%) P
e, then ashes are removed complete, and ashes scavenge system is closed; In addition, Engine ECU 5 needs to regulate and control blowback air flowing pressure and the blowback time of air compressor 2.Concrete technological scheme of the present invention is as follows:
Step one: after particle trapper regeneration ending, monitors motor 1 exhaust pressure P by pressure transducer 6
test, under contrast is stored in motor 1 current working in ECU, particle trapper 3 ashes removing back pressure judges limit value P
limif, P
test>=P
lim, ECU sends the instruction that particle trapper 3 needs to remove, and now, vehicle-mounted tutorial light flicker, remind driver to be prepared to stop and carry out ashes removing, otherwise vehicle normally runs;
In step one, ashes are removed back pressure and are judged limit value P
limutilize the exhaust air flow model of particle trapper to be obtained by Experimental Calibration, as engine exhaust back pressure P
testreach and judge limit value P
limtime, illustrate that in particle trapper catcher, ashes deposition reaches removing limit value, different engine operating conditions judges limit value P
limdifference, judges limit value P
limbe stored in Engine ECU 5, facilitate real-time calling.
Step 2: after parking, manual triggers ashes scavenge system, vehicle-mounted ashes scavenge system is started working, Engine ECU 5 is by the switch of wire harness control valve and the startup of air compressor 2, first engine control valve 7 and gas exhausting valve 9 transfer closed condition to from opening state, filtrating equipment control valve 8 and air compressor control valve 10 transfer opening state to by closed condition, then air compressor 2 starts, the high pressure draught that air compressor 2 provides flows to from particle trapper 3 rear end through connecting tube, blowback particle trapper 3, ash particles blowback from particle trapper 3 is taken away by high pressure draught, be mingled with the high pressure draught of ash particles through filtrating equipment 4, ash particles is wherein filtered and is retained in filtrating equipment 4,
Step 3: particle trapper 3 is by after blowback a period of time, and Engine ECU 5 controls air compressor 2 and quits work, when the pressure value P that pressure transducer 6 monitors
testequal atmospheric pressure P
atmtime, Engine ECU 5 sending valve gate control instruction, filtrating equipment control valve 8 and air compressor control valve 10 are closed, and engine control valve 7 and gas exhausting valve 9 are opened;
Step 4: start vehicle, monitor engine back pressure P by pressure transducer 6
test, contrast is stored in the exhaust pressure normal value P under motor 1 current working in Engine ECU 5
eif, P
test≤ (1+5%) P
e, then ashes are removed complete, and vehicle-mounted ashes scavenge system is closed, and vehicle can normally run, otherwise duplicated system job step two and step 3, until P
test≤ (1+5%) P
e.
In step 4, exhaust pressure normal value P
ethe exhaust back pressure value of (without ashes deposition) motor under referring to particle trapper clean state, the engine exhaust back pressure P after contrast blowback
testcan judge blowback complete after ashes in particle trapper whether remove totally, in decision process, judge that force value needs to increase the surplus of 5% on the basis of exhaust pressure normal value, this is because some ash particles be deposited on filter wall micropore in be difficult to be removed by high pressure draught, this part ashes is less on the impact of the service behaviour of particle trapper, tolerable its exist in particle trapper.If after first time blowback completes, judgement ashes are removed and are not completed, both P
test> (1+5%) P
e, in blowback subsequently, Engine ECU 5 suitably can increase pressure and the blowback time of blowback air-flow, until ashes have been removed.
Step 5: if after step 2 and step 3 repeated work 3 times, the exhaust pressure P monitored
teststill can not meet the demands, both P
test> (1+5%) P
e, Engine ECU judges that particle trapper system or ashes scavenge system break down, and vehicle after-treatment system needs to carry out maintenance and inspection.
Technological scheme of the present invention is not restricted in the scope of embodiment of the present invention.The technology contents of the not detailed description of the present invention is known technology.
Claims (4)
1. the vehicle-mounted ashes scavenge system of diesel engine particle catcher, comprise air compressor (2), particle trapper (3), filtrating equipment (4), pressure transducer (6) pressure transducer (6), engine control valve (7), filtrating equipment control valve (8), gas exhausting valve (9) and air compressor control valve (10), it is characterized in that: described air compressor (2) is connected to the downstream of particle trapper in engine exhaust system by pipeline and air compressor control valve (10), filtrating equipment (4) is connected to the upstream of particle trapper in engine exhaust system by pipeline and filtrating equipment control valve (8), pressure transducer (6) is arranged between engine control valve (7) and particle trapper (3), the exhaust back pressure that pressure transducer (6) monitors inputs Engine ECU (5) by wire harness, air compressor (2), engine control valve (7), filtrating equipment control valve (8), gas exhausting valve (9) and air compressor control valve (10) accept the control of Engine ECU (5) by wire harness, air compressor (2) remains in the non-combustible ashes in filter after blowback high pressure draught removing particle trapper (3) can be provided to have regenerated, filtrating equipment (4) can collect the ashes material filtering and be mingled with in blowback high pressure draught.
2. the vehicle-mounted ashes scavenge system of a kind of diesel engine particle catcher according to claim 1, it is characterized in that, described air compressor (2) can provide high pressure draught blowback particle trapper, high pressure draught pressure range 300 ~ 600kPa, high pressure draught after particle trapper (3) having been regenerated the non-combustible ashes material blowback remained in filter take away, air compressor (2) accepts the control of Engine ECU (5).
3. the vehicle-mounted ashes scavenge system of a kind of diesel engine particle catcher according to claim 1, it is characterized in that, described filtrating equipment (4) can filter the ash particles be mingled with in blowback high pressure draught, and ash particles can be collected reprocessing or recycling by filtrating equipment (4).
4. the controlling method of the vehicle-mounted ashes scavenge system of diesel engine particle catcher according to claim 1, is characterized in that, comprise the following steps:
Step one: after particle trapper regeneration ending, by pressure transducer (6) monitoring motor (1) exhaust pressure P
test, under contrast is stored in motor (1) current working in ECU, particle trapper (3) ashes removing back pressure judges limit value P
limif, P
test>=P
lim, ECU sends the instruction that particle trapper (3) needs to remove, and now, vehicle-mounted tutorial light flicker, remind driver to be prepared to stop and carry out ashes removing, otherwise vehicle normally runs;
Step 2: after parking, manual triggers ashes scavenge system, vehicle-mounted ashes scavenge system is started working, the switch of Engine ECU (5) by wire harness control valve and the startup of air compressor (2), first engine control valve (7) and gas exhausting valve (9) transfer closed condition to from opening state, filtrating equipment control valve (8) and air compressor control valve (10) transfer opening state to by closed condition, then air compressor (2) starts, the high pressure draught that air compressor (2) provides flows to from particle trapper (3) rear end through connecting tube, blowback particle trapper (3), ash particles blowback from particle trapper (3) is taken away by high pressure draught, be mingled with the high pressure draught of ash particles through filtrating equipment (4), ash particles is wherein filtered and is retained in filtrating equipment (4),
Step 3: particle trapper (3) is by after blowback a period of time, and Engine ECU (5) controls air compressor (2) and quits work, when the pressure value P that pressure transducer (6) monitors
testequal atmospheric pressure P
atmtime, Engine ECU (5) sending valve gate control instruction, filtrating equipment control valve (8) and air compressor control valve (10) are closed, and engine control valve (7) and gas exhausting valve (9) are opened;
Step 4: start vehicle, by pressure transducer (6) monitoring engine back pressure P
test, contrast is stored in the exhaust pressure normal value P under motor (1) current working in ECU
eif, P
test≤ (1+5%) P
e, then ashes are removed complete, and vehicle can normally run, otherwise duplicated system job step two and step 3, until P
test≤ (1+5%) P
e.
Step 5: if after step 2 and step 3 repeated work 3 times, the exhaust pressure P monitored
teststill can not meet the demands, both P
test> (1+5%) P
e, Engine ECU judges that particle trapper system or ashes scavenge system break down, and vehicle after-treatment system needs to carry out maintenance and inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887351.3A CN105569781B (en) | 2015-12-03 | 2015-12-03 | A kind of vehicle-mounted ashes of diesel engine particle catcher remove system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887351.3A CN105569781B (en) | 2015-12-03 | 2015-12-03 | A kind of vehicle-mounted ashes of diesel engine particle catcher remove system and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105569781A true CN105569781A (en) | 2016-05-11 |
| CN105569781B CN105569781B (en) | 2017-12-01 |
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ID=55880325
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|---|---|---|---|
| CN201510887351.3A Active CN105569781B (en) | 2015-12-03 | 2015-12-03 | A kind of vehicle-mounted ashes of diesel engine particle catcher remove system and its control method |
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| CN (1) | CN105569781B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729986A (en) * | 2018-07-19 | 2018-11-02 | 河北工业大学 | The vehicle-mounted soot cleaning systems of diesel engine DPF based on Brake energy recovery and control method |
| CN112594043A (en) * | 2020-12-01 | 2021-04-02 | 溢通环保科技（莆田）有限公司 | Method for detecting suspended matters in tail gas treatment of diesel engine |
| CN112594033A (en) * | 2020-12-01 | 2021-04-02 | 溢通环保科技（莆田）有限公司 | Diesel engine tail gas suspended solid clean system |
| CN113153494A (en) * | 2021-05-14 | 2021-07-23 | 中南林业科技大学 | Ash self-cleaning wall-flow type spherical particle catcher |
| CN113339109A (en) * | 2021-07-07 | 2021-09-03 | 天津大学 | Method for detecting and purifying trapping amount of automobile particle trap |
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| JPH0281913A (en) * | 1988-09-20 | 1990-03-22 | Hino Motors Ltd | Filter washing device |
| JPH05156923A (en) * | 1991-12-06 | 1993-06-22 | Hino Motors Ltd | Backwasher of particulate filter |
| EP0930422A1 (en) * | 1998-01-13 | 1999-07-21 | Korea Institute of Machinery & Materials | Counterflow type particulate matter filter trap system having metal fiber filter |
| CN1693682A (en) * | 2005-06-29 | 2005-11-09 | 清华大学 | Wall flow type net plate apparatus with reverse jet regenerating unit for collecting microparicle discharged by diesel vehicle |
| CN204060865U (en) * | 2014-09-03 | 2014-12-31 | 内蒙古农业大学职业技术学院 | A kind of pulse cleaning eddy flow catcher |
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2015
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| JPH0281913A (en) * | 1988-09-20 | 1990-03-22 | Hino Motors Ltd | Filter washing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729986A (en) * | 2018-07-19 | 2018-11-02 | 河北工业大学 | The vehicle-mounted soot cleaning systems of diesel engine DPF based on Brake energy recovery and control method |
| CN112594043A (en) * | 2020-12-01 | 2021-04-02 | 溢通环保科技（莆田）有限公司 | Method for detecting suspended matters in tail gas treatment of diesel engine |
| CN112594033A (en) * | 2020-12-01 | 2021-04-02 | 溢通环保科技（莆田）有限公司 | Diesel engine tail gas suspended solid clean system |
| CN112594043B (en) * | 2020-12-01 | 2022-06-17 | 溢通环保科技（莆田）有限公司 | Method for detecting suspended matters in tail gas treatment of diesel engine |
| CN113153494A (en) * | 2021-05-14 | 2021-07-23 | 中南林业科技大学 | Ash self-cleaning wall-flow type spherical particle catcher |
| CN113153494B (en) * | 2021-05-14 | 2023-05-26 | 中南林业科技大学 | Ash self-cleaning wall flow type ball particle catcher |
| CN113339109A (en) * | 2021-07-07 | 2021-09-03 | 天津大学 | Method for detecting and purifying trapping amount of automobile particle trap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105569781B (en) | 2017-12-01 |
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