CN106194360A - A kind of can the device for purifying and treating tail gas of initiative regeneration and diesel vehicle - Google Patents

A kind of can the device for purifying and treating tail gas of initiative regeneration and diesel vehicle Download PDF

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Publication number
CN106194360A
CN106194360A CN201610729404.3A CN201610729404A CN106194360A CN 106194360 A CN106194360 A CN 106194360A CN 201610729404 A CN201610729404 A CN 201610729404A CN 106194360 A CN106194360 A CN 106194360A
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CN
China
Prior art keywords
tail gas
chamber
filter element
purifying
regeneration
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
CN201610729404.3A
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Chinese (zh)
Inventor
罗万祥
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Shenzhen City Best Purification Equipment Ltd Co
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Shenzhen City Best Purification Equipment Ltd Co
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Publication date
Application filed by Shenzhen City Best Purification Equipment Ltd Co filed Critical Shenzhen City Best Purification Equipment Ltd Co
Priority to CN201610729404.3A priority Critical patent/CN106194360A/en
Publication of CN106194360A publication Critical patent/CN106194360A/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
    • 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
    • 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
    • F01N3/022—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0222—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
    • 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
    • F01N3/027—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 using electric or magnetic heating means
    • 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
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2825—Ceramics
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/10—Carbon or carbon oxides
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/12—Hydrocarbons
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1406—Exhaust gas pressure
    • 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

Abstract

nullThe present invention relates to a kind of can the device for purifying and treating tail gas of initiative regeneration，Including ECU control unit and purification housing，Purify enclosure interior and be divided into the first tail gas diffusion chamber according to the discharge directions time of tail gas、Second tail gas clean-up chamber、3rd carrier regeneration chamber、4th tail gas clean-up chamber and the 5th purifies collects cavity volume，Tail gas access port connects the first tail gas diffusion chamber，Cavity volume is collected in tail gas outlet connection the 5th purification，Second tail gas clean-up chamber is provided with purified treatment tail gas DOC carrier filter element，3rd carrier regeneration chamber is provided with regenerative heater，4th tail gas clean-up chamber is provided with the DPF filter element of purified treatment exhaust particulate，When the second tail gas clean-up chamber、When 4th tail gas clean-up chamber blocking absorption affinity declines，ECU control unit controls regenerative heater intensification heating，DOC carrier filter element、DPF filter element is heated reproduction operation，Exhaust particulate high-temp combustion becomes little dust to discharge.

Description

A kind of can the device for purifying and treating tail gas of initiative regeneration and diesel vehicle
Technical field
The present invention relates to vent gas treatment field, be specifically related to a kind of can the device for purifying and treating tail gas of initiative regeneration and diesel oil Car.
Background technology
Diesel vehicle, when road runs, can produce substantial amounts of black smoke tail owing to burning is insufficient during load operation Gas, the main component of these black smokes has black smoke particulate matter PM, hydrocarbons HC, carbon monoxide CO, nitrogen oxide NOx, sulfide Deng, wherein environment is not only polluted in a large amount of accumulation of soot particulate (PM), and soot particulate matter can be sucked (predominantly by human body PM10), even can enter the pulmonary (predominantly PM2.5) of human body, affect the healthy of operating personnel.
The purification product being directed to these pollutant components can be connected or independent assortment use, to reach to purify respectively simultaneously The purpose of kind of pollutant, filter is roughly divided into following 3 classes currently on the market: 1. particulates in exhaust gas from diesel vehicle catcher DPF, mainly Processing carbon soot particles (PM), purifying rate is about 95%；2. diesel vehicle oxidation catalyst DOC, mainly process harmful gas (HC, CO), purifying rate is 70%-90%.3. diesel vehicle SCR denitrating system: SCR SCR(Selective Catalytic Reduction), this is that current international mainstream efficiently removes the technology path of NOx in tail gas: mainly for row NOx in gas, in the range of uniform temperature (generally 250 DEG C-450 DEG C), NOx is resolved into harmless nitrogen by catalyst And water (H2O) (N2).
Although above-mentioned filter has respective handling characteristics, but all lacks regeneration oneself's cleaning function, filter uses , will easily there is choking phenomenon because of the accumulation of carbon soot particles, reduce purification efficiency, user need to change again in time length New filter, adds use cost.
Summary of the invention
The tail gas discharged for more preferable purification of diesel car, the present invention provide a kind of reasonable in design, can the most again Raw DOC+DPF filter element, the device for purifying and treating tail gas of good purification, concrete technical scheme is as follows:
A kind of can the device for purifying and treating tail gas of initiative regeneration, including ECU control unit with purify housing, purify housing forward end and set Having tail gas access port, tail gas enters from tail gas access port to purify after housing carries out purified treatment and discharges from tail gas outlet, purifies Enclosure interior according to the discharge directions of tail gas time be divided into the first tail gas diffusion chamber, the second tail gas clean-up chamber, the 3rd carrier regeneration chamber, the Four tail gas clean-up chambeies and the 5th purify collects cavity volume, and tail gas access port connects the first tail gas diffusion chamber, tail gas outlet connection the Five purify collection cavity volume, and the second tail gas clean-up chamber is provided with purified treatment tail gas DOC carrier filter element, the 3rd carrier regeneration chamber peace Equipped with regenerative heater, the 4th tail gas clean-up chamber is provided with the DPF filter element of purified treatment exhaust particulate, when the second tail gas clean-up When chamber, the 4th tail gas clean-up chamber blocking absorption affinity decline, ECU control unit controls regenerative heater intensification heating, DOC carrier Filter element, DPF filter element are heated reproduction operation, and exhaust particulate high-temp combustion becomes little dust to discharge.
Preferably, described DOC carrier filter element includes ceramic monolith and precious metal coating, and ceramic monolith is provided with multiple logical Hole, ceramic monolith surface-coated precious metal coating, when temperature is warmed up to 260 DEG C～400 DEG C, the HC in tail gas in tail gas, CO catalysis becomes water and CO2, Nox is resolved into nitrogen and oxygen simultaneously, and purifying rate is 80%～90%.
Preferably, air inlet and the steam vent of adjacent distributions, air inlet and the unidirectional opening of steam vent it are provided with inside DPF filter element And in opposite direction, air inlet inwall is provided with honeycomb ceramic filter, and honeycomb ceramic filter retains absorption tail gas granule, and regeneration adds Hot device heats up after heating, and the exhaust particulate burning retained becomes less dust and arranges from steam vent through honeycomb ceramic filter Go out.
Preferably, described ECU control unit includes main control module, pressure detecting module and judge module, pressure detecting Module detects the force value of the first tail gas diffusion chamber by pressure transducer, and force value is converted into the signal of telecommunication is transferred to judge Module, it is judged that module is preset with force value, when the force value detected is more than this value, main control module controls regenerative heater Running.
Preferably, described regenerative heater includes inverter, resistance heater, relay, control switch, and ECU controls single Unit is run by relay, control on-off control inverter, resistance heater.
Preferably, ECU control unit also includes circulating work time block, and circulation work time block passes through time relay Device is preset with T1 time and T2 time, circulates work time block self-clocking, tail gas after the purified treatment T1 time, then The raw heater starting cleaning T2 time, and then enter back into next circulation work.
Preferably, precious metal coating is platinum or rhodium or the metal coating of palladium.
Preferably, the first tail gas diffusion chamber, the 3rd carrier regeneration chamber, the 5th purification are collected cavity volume and are fitted with pressure sensing Device, the 3rd carrier regeneration chamber is also equipped with temperature sensor.
A kind of diesel vehicle, being provided with a kind of of above-mentioned technical characteristic at exhaust emissions can be at the tail gas clean-up of initiative regeneration Reason device.
Beneficial effects of the present invention: the discharged tail gas of diesel vehicle enters after purifying housing, through DOC carrier filter element, DPF filter element Double purified is discharged after filtering, and gross decontamination rate reaches more than 97%, when the tail gas overstock on DOC carrier filter element, DPF filter element When grain is too much, pressure transducer detects when back-pressure is excessive, and ECU control unit controls regenerative heater intensification heating, tail Aerated particle improves with temperature and combustion oxidation becomes little dust with tail gas venting, thus cleaning of DOC carrier filter element, DPF filter element, complete Become reproduction operation, full process automatization, do not interfere with the normal traveling of diesel vehicle.
Accompanying drawing explanation
Fig. 1 is the schematic diagram during device for purifying and treating tail gas cleaning of off-gas of the present invention；
Fig. 2 is the control principle flow chart during device for purifying and treating tail gas regeneration filter element of the present invention；
Fig. 3 is the operating diagram of the DPF filter element of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described further:
In describing the invention, " " center ", " on ", D score, "left", "right", " vertically ", " water it should be noted that term Flat ", the orientation that indicates of " interior ", " outward " etc. or position relationship be based on orientation shown in the drawings or position relationship, merely to just In describe the present invention and simplifying describe rather than instruction or the hint position of indication or element must have specific orientation, with Specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second ", " Three " it is only used for describing purpose, and it is not intended that indicate or hint relative importance.
As it is shown in figure 1, a kind of can the device for purifying and treating tail gas of initiative regeneration, including ECU control unit with purify housing, ECU control unit uses 24V voltage to drive, and purifies housing forward end and is provided with tail gas access port, and tail gas enters clean from tail gas access port Change after housing carries out purified treatment and discharge from tail gas outlet, purify enclosure interior and be divided into the first tail according to the discharge directions time of tail gas Tail gas clean-up chamber, carrier regeneration chamber the 3, the 4th, gas diffusion chamber the 1, second tail gas clean-up chamber the 2, the 3rd 4 and the 5th purifies collection cavity volume 5, Tail gas access port connects the first tail gas diffusion chamber 1, and cavity volume 5, the second tail gas clean-up chamber 2 are collected in tail gas outlet connection the 5th purification Being provided with purified treatment tail gas DOC carrier filter element 21, the 3rd carrier regeneration chamber 3 is provided with regenerative heater 31, regenerative heater 31 use 220V voltage to drive, and the 4th tail gas clean-up chamber 4 is provided with the DPF filter element 41 of purified treatment exhaust particulate.
During cleaning of off-gas, tail gas forward is successively from first tail gas diffusion chamber the 1, second tail gas clean-up chamber the 2, the 3rd carrier regeneration Tail gas clean-up chamber, chamber the 3, the 4th 4 and the 5th purification are collected cavity volume 5 and are passed through, and exhaust particulate is trapped within DOC carrier filter element 21 and DPF On filter element 41, when needs regeneration cleaning DOC carrier filter element 21 and DPF filter element 41, ECU control unit controls regenerative heater 31 Heat up heating, when reaching uniform temperature condition,
DOC carrier filter element 21, DPF filter element 41 are heated reproduction operation, and exhaust particulate high-temp combustion becomes little dust to arrange with tail gas Go out.
Concrete, described DOC carrier filter element 21 includes ceramic monolith and precious metal coating, and ceramic monolith is provided with multiple logical Hole, ceramic monolith surface-coated precious metal coating, precious metal coating is platinum or rhodium or the metal coating of palladium, and temperature heats up During to 260 DEG C～400 DEG C, preferably 350 DEG C, HC, the CO in tail gas is become water and CO2, simultaneously by the catalysis of precious metal coating Nox is resolved into nitrogen and oxygen, and purifying rate is 80%～90%.
Concrete, as it is shown on figure 3, internal air inlet 411 and steam vent 412, the air inlet being provided with adjacent distributions of DPF filter element 41 Hole 411 and the unidirectional opening of steam vent 412 and in opposite direction, air inlet 411 inwall is provided with honeycomb ceramic filter 413, wall-flow type Ceramic honey comb 413 retains absorption tail gas granule, and regenerative heater 31 heats up after heating, and the exhaust particulate burning retained becomes less Dust discharge from steam vent 413 through honeycomb ceramic filter 413.
Concrete, described ECU control unit includes main control module, pressure detecting module and judge module, pressure detecting Module detects the force value of the first tail gas diffusion chamber 1 by pressure transducer, and force value is converted into the signal of telecommunication is transferred to sentence Disconnected module, it is judged that module is preset with force value, and the particle packing thing on DOC carrier filter element 21 and DPF filter element 41 gathers necessarily During amount, because DOC carrier filter element 21 and DPF filter element 41 blocks, the air pressure in the first tail gas diffusion chamber the 1, the 3rd regeneration chamber 3 can be substantially Increasing, when the force value detected is preset with force value more than judge module, main control module can control regenerative heater 31 Heating, DOC carrier filter element 21 and DPF filter element 41 realizes automated cleaning.
Concrete, described regenerative heater 31 includes inverter, resistance heater, relay, control switch, and ECU controls Unit is by relay, control on-off control invertor operation, and inverter is that direct current energy is transformed into alternating current, relay control System is simple, is swift in motion, and service life is the most long, is suitable as main control module electric control gear resistance heater quickly the Heat up in three carrier regeneration chambeies 3 heating, and DOC carrier filter element 21 and DPF filter element 41 is heated.
Concrete, ECU control unit also includes circulating work time block, and circulation work time block passes through
The time relay is preset with T1 time and T2 time, and the T1 time is cleaning of off-gas required time, and the T2 time is cleaning filter element Required time, circulates work time block self-clocking, and after the DOC+DPF filter element Regeneration Treatment T1 time, tail gas is normal through DOC + DPF filter element T2 the time, and then enter back into next DOC+DPF filter element Regeneration Treatment T1, the T2 time one arrives, and Automatic Cycle is returned To tail gas clean-up treatment process, thus constantly circulation realizes above-mentioned operation, it is ensured that DOC carrier 4 and DPF carrier 10 periodically timing is certainly Dynamic regeneration, it is not necessary to the manual record time, very convenient.
Concrete, the first tail gas diffusion chamber the 1, the 3rd carrier regeneration chamber the 3, the 5th purifies collection cavity volume 5 and is fitted with pressure Sensor 6, pressure transducer 6 can monitor air pressure in real time, it is simple to ECU control unit controls, and the 3rd carrier regeneration chamber 3 is also equipped with Temperature sensor 7, the temperature in real-time monitored the 3rd carrier regeneration chamber 3.
In a word, when the device for purifying and treating tail gas of the present invention is arranged on cleaning of off-gas on diesel vehicle, can initiative regeneration cleaning Filter element, it is not necessary to take purification housing apart and just the carbon granule piled up on DOC carrier filter element 21, DPF filter element 41 can be discharged, do not affect Diesel vehicle travels, easy to use, simple to operate, meets and uses needs.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert Being embodied as of the present invention is confined to these explanations, for general technical staff of the technical field of the invention, On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention's Protection domain.

Claims (9)

1. can the device for purifying and treating tail gas of initiative regeneration, including ECU control unit with purify housing, purify housing forward end Being provided with tail gas access port, tail gas enters from tail gas access port to purify after housing carries out purified treatment and discharges from tail gas outlet, its Be characterised by: purify enclosure interior according to the discharge directions of tail gas time be divided into the first tail gas diffusion chamber, the second tail gas clean-up chamber, the 3rd Carrier regeneration chamber, the 4th tail gas clean-up chamber and the 5th purify and collect cavity volume, and tail gas access port connects the first tail gas diffusion chamber, tail gas Cavity volume is collected in outlet connection the 5th purification, and the second tail gas clean-up chamber is provided with purified treatment tail gas DOC carrier filter element, and the 3rd Carrier regeneration chamber is provided with regenerative heater, and the 4th tail gas clean-up chamber is provided with the DPF filter element of purified treatment exhaust particulate, when When two tail gas clean-up chambeies, the 4th tail gas clean-up chamber blocking absorption affinity decline, ECU control unit controls regenerative heater intensification and adds Heat, DOC carrier filter element, DPF filter element be heated reproduction operation, and exhaust particulate high-temp combustion becomes little dust to discharge.
The most according to claim 1 a kind of can the device for purifying and treating tail gas of initiative regeneration, it is characterised in that: described DOC Carrier filter element includes ceramic monolith and precious metal coating, and ceramic monolith is provided with multiple through hole, and ceramic monolith surface-coated is expensive Heavy metal coating, when temperature is warmed up to 260 DEG C～400 DEG C, HC, CO catalysis in the tail gas in tail gas becomes water and CO2, with Time Nox is resolved into nitrogen and oxygen, purifying rate is 80%～90%.
The most according to claim 1 a kind of can the device for purifying and treating tail gas of initiative regeneration, it is characterised in that: DPF filter element Inside is provided with air inlet and the steam vent of adjacent distributions, air inlet and the unidirectional opening of steam vent and in opposite direction, air inlet inwall Being provided with honeycomb ceramic filter, honeycomb ceramic filter retains absorption tail gas granule, and regenerative heater heats up after heating, retains Exhaust particulate burning becomes less dust and discharges from steam vent through honeycomb ceramic filter.
The most according to claim 1 a kind of can the device for purifying and treating tail gas of initiative regeneration, it is characterised in that: described ECU Control unit includes main control module, pressure detecting module and judge module, and pressure detecting module is detected by pressure transducer The force value of the first tail gas diffusion chamber, and force value is converted into the signal of telecommunication is transferred to judge module, it is judged that module is preset with pressure Force value, when the force value detected is more than this value, main control module controls regenerative heater running.
The most according to claim 1 a kind of can the device for purifying and treating tail gas of initiative regeneration, it is characterised in that: described again Raw heater includes inverter, resistance heater, relay, control switch, and ECU control unit is by relay, control switch Control inverter, resistance heater runs.
The most according to claim 1 a kind of can the device for purifying and treating tail gas of initiative regeneration, it is characterised in that: ECU controls Unit also includes circulating work time block, when circulation work time block is preset with T1 time and T2 by the time relay Between, circulating work time block self-clocking, tail gas is after the purified treatment T1 time, when regenerative heater starts cleaning T2 Between, and then enter back into next circulation work.
The most according to claim 2 a kind of can the device for purifying and treating tail gas of initiative regeneration, it is characterised in that: precious metal Coating is platinum or rhodium or the metal coating of palladium.
The most according to claim 1 a kind of can the device for purifying and treating tail gas of initiative regeneration, it is characterised in that: the first tail Gas diffusion chamber, the 3rd carrier regeneration chamber, the 5th purification are collected cavity volume and are fitted with pressure transducer, and the 3rd carrier regeneration chamber is also pacified Equipped with temperature sensor.
9. a diesel vehicle, it is characterised in that: the arbitrary described one of the claims 1～8 is installed at exhaust emissions Can the device for purifying and treating tail gas of initiative regeneration.
CN201610729404.3A 2016-08-26 2016-08-26 A kind of can the device for purifying and treating tail gas of initiative regeneration and diesel vehicle Pending CN106194360A (en)

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Application Number Priority Date Filing Date Title
CN201610729404.3A CN106194360A (en) 2016-08-26 2016-08-26 A kind of can the device for purifying and treating tail gas of initiative regeneration and diesel vehicle

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107540034A (en) * 2017-10-11 2018-01-05 深圳砺剑超能材料有限公司 Sewage-treatment plant
CN108691617A (en) * 2017-04-07 2018-10-23 佛吉亚排气系统有限公司 Emission-control equipment and corresponding control process
CN111852618A (en) * 2020-07-17 2020-10-30 浙江天地环保科技股份有限公司 Online regeneration offline ash removal ship tail gas treatment system and method

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CN101787916A (en) * 2009-01-23 2010-07-28 通用汽车环球科技运作公司 Integrated exhaust and electrically heated particulate filter regeneration systems
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