CN111420713B - Regeneration device of catalytic converter of automobile engine - Google Patents
Regeneration device of catalytic converter of automobile engine Download PDFInfo
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- CN111420713B CN111420713B CN202010415098.2A CN202010415098A CN111420713B CN 111420713 B CN111420713 B CN 111420713B CN 202010415098 A CN202010415098 A CN 202010415098A CN 111420713 B CN111420713 B CN 111420713B
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- 238000011069 regeneration method Methods 0.000 title claims abstract description 32
- 230000008929 regeneration Effects 0.000 title claims abstract description 31
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 239000000084 colloidal system Substances 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 36
- 239000000779 smoke Substances 0.000 claims description 26
- 239000000428 dust Substances 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000007664 blowing Methods 0.000 claims description 19
- 230000001172 regenerating effect Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000004071 soot Substances 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 12
- 238000009298 carbon filtering Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 5
- 238000004380 ashing Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 16
- 231100000719 pollutant Toxicity 0.000 abstract description 16
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 238000010926 purge Methods 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/12—Treating with free oxygen-containing gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/02—Heat treatment
-
- 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
- F01N3/0237—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 for regenerating ex situ
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40084—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by exchanging used adsorbents with fresh adsorbents
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The invention discloses a regeneration device of a catalytic converter of an automobile engine; solves the problem that the cleaning of the particulate matters is not thorough in the regeneration process of the catalytic converter of the automobile engine; the invention can rapidly and efficiently remove colloid carbon pollutants difficult to remove from the surface of a DPF, and can directly discharge the removed pollutant gas through a multi-stage filtering device into the atmosphere.
Description
Technical Field
The invention relates to a post-treatment device for purifying tail gas of an automobile engine, in particular to a regeneration device for a catalytic converter of the automobile engine.
Background
As the amount of emissions emitted by motor vehicles continues to increase, the total amount of emissions pollutants produced by the motor vehicle continues to increase. Automotive emissions pollutants include heavy metal pollutants and sulfur oxides, among others, in addition to the primary CO, HC, NOx and particulates. The exhaust gas aftertreatment catalyst products for vehicles are various, and gasoline engines mainly use three-way catalytic converters (TWCs) and gasoline particle traps (GPFs), and diesel engines mainly use oxidation type catalysts (DOCs), particle traps (DPFs), selective reduction type catalysts (SCR), partial flow oxidation type particle traps (POC), and the like. The catalyst in use can have the phenomena of efficiency reduction, coating falling, mechanical damage and the like, wherein the particle catcher (DPF, GPF) mainly has the functions of filtering particles and black smoke, but the more the particle catcher is accumulated over time, the blocking is caused, the back pressure of an engine is caused to rise sharply, the normal operation of the engine is influenced, even flameout is caused, and the most serious is that uncontrolled regeneration (uncontrolled regeneration) can be caused, so that the DPF carrier is directly burnt, and the loss and the potential safety hazard are caused. Therefore, certain equipment and a certain method are needed to eliminate the particles, and the regeneration method comprises the steps of electric heating, catalyst oxidation, post-spraying, tail gas temperature elevation and the like to remove the particles, and liquid ultrasonic cleaning is adopted for the conventional treatment of the particles; or by compressed air purging. The solution of purging the DPF with compressed air is difficult to achieve perfect results because the sticky adhesion of gum and soot to the DPF makes it difficult to clean it thoroughly by purging. The consumable cleaning liquid of the ultrasonic liquid cleaning machine has the advantages of high difficulty in subsequent sewage disposal, complicated process flow and low efficiency.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides the regeneration device of the catalytic converter of the automobile engine, and solves the problem that the cleaning of particulate matters is not thorough in the regeneration process of the catalytic converter of the automobile engine.
In order to achieve the above purpose, the present invention is realized by the following technical scheme.
The regeneration device of the catalytic converter of the automobile engine comprises a regeneration furnace, a cooling and dedusting device, a smoke filtering device and an active carbon filtering box which are sequentially connected, wherein the regeneration furnace is used for heating and ashing colloid type smoke carbon substances attached to the catalytic converter into gaseous substances, and the gaseous substances sequentially enter the cooling and dedusting device, the smoke filtering device and the active carbon filtering box through an air outlet of the regeneration furnace to cool, filter and remove peculiar smell and then are discharged into the atmosphere.
The rotary air knife is arranged in the regenerating furnace and comprises an air inlet quick connector, a bearing seat, a bearing, a connecting pipe and a conical air knife air outlet which are connected in sequence, and the air inlet quick connector of the rotary air knife is connected with an air supply device through a high-pressure air pipeline.
The cooling and dust removing device is provided with an air inlet and an air outlet, a roundabout air travelling path is formed between the air inlet and the air outlet of the cooling and dust removing device through a plurality of partition boards, and the cooling and dust removing device is provided with a water inlet and a water outlet, and the water inlet is connected with a cooling water tank; a fan is connected between the air outlet of the cooling and dedusting device and the air inlet of the smoke filtering device.
Further, the device further comprises a box body, wherein the regenerating furnace, the cooling and dedusting device, the smoke filtering device and the activated carbon filtering box are arranged in the box body, the box body is provided with an openable structure, and a travelling mechanism is arranged at the bottom of the box body.
Still further, the box is provided with soot blowing room and filter chamber, the regenerator sets up in soot blowing room, cooling dust collector, smog filter equipment and active carbon filter tank set up in the filter chamber, soot blowing room is provided with soot blowing room door, the filter chamber is provided with movable buckle.
Further, a plurality of layers of active carbon filter screens are horizontally arranged in the active carbon filter box, an air inlet is formed in the bottom of the active carbon filter box, and an air outlet is formed in the top of the active carbon filter box.
Further, a plurality of layers of push-pull tracks are horizontally arranged in the activated carbon filter box, and the activated carbon filter screen is connected to the push-pull tracks in a sliding manner.
Further, the regenerating furnace comprises a furnace body, and a heating ceramic furnace core is arranged in the furnace body.
Still further, the bottom of heating ceramic stove core is connected with gaseous matter and collects the cover, gaseous matter is collected the bottom of cover and is connected with the pipeline of giving vent to anger through the elbow, the elbow is connected with rotatory air knife, makes the air knife gas outlet of rotatory air knife perpendicular to gaseous matter collection cover bottom.
Further, the air supply device is a compressed air storage tank.
Compared with the prior art, the invention has the following beneficial effects.
The invention simulates the working environment of DOC and DPF, the DOC and DPF are arranged in a regeneration furnace, the temperature rises to 580-680, under the high temperature, the colloid carbon smoke of the DOC and the DPF is rapidly ashed, a rotary oxygen supply switch at the lower part is opened, air is automatically and rotatably sprayed on the surfaces of the DOC and the DPF in a fan shape by an air knife under the reaction of air spraying, most ash in the DOC and the DPF is directly blown out, and the air enters a smoke filtering device after being cooled by a cooling and dedusting device and the large-particle dust is filtered, and then the peculiar smell can be removed by the filtration of active carbon and is directly discharged into the atmosphere. After the combustion work is finished, the residual ash is purged by automatic rotation of an air knife in a purging chamber.
According to the invention, through the rotary oxygen supply blowing function of the air knife at the lower part of the regenerating furnace, colloid carbon smoke pollutants which are difficult to remove can be rapidly and efficiently removed from the surfaces of the DOC and the DPF; the device is compared with equipment purged by compressed air, the bottom rotary oxygen supply furnace is purged in combustion, and the device has the advantages of simple structure, high speed, reliability, no additional power, no consumable, energy saving and consumption reduction, uniform purging of a working face, quick ash discharge and capability of solving the regeneration problems of DOC and DPF. Compared with liquid ultrasonic waves, the device has the advantages that the dust removal and cooling device can be used for long-time cleaning-free, the later-stage waste treatment is convenient, and the device is simple and reliable and has no pollution to the environment.
Drawings
FIG. 1 is a schematic view showing the external structure of a catalytic converter regeneration apparatus according to the present invention;
FIG. 2 is a schematic view showing an external structure of a regenerator according to an embodiment;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a schematic diagram illustrating the connection between a pollutant collecting hood and an air outlet pipe provided at the bottom of the regenerator according to the embodiment;
FIG. 5 is an exploded view of FIG. 4;
FIG. 6 is an exploded view of a rotary air knife according to an embodiment;
FIG. 7 is a schematic diagram of the external structure of a three-stage wet dust removal cooling box according to an embodiment;
FIG. 8 is an exploded view of FIG. 7;
FIG. 9 is a schematic view of the structure of an activated carbon filter box according to an embodiment;
FIG. 10 is a schematic view of a purge fan according to an embodiment;
fig. 11 is a schematic view of a cooling water tank according to an embodiment;
paint 12 is a schematic illustration of the internal connections of the box as described in the examples.
Wherein, 1 is a box body, 101 is a soot blowing chamber, 102 is a filtering chamber, 103 is a soot blowing chamber door, 104 is a movable buckle plate, and 105 is a universal wheel;
2 is a regenerating furnace, 201 is a heating furnace body, 202 is a heating ceramic furnace core, 203 is heat insulation cotton, 204 is a fixed plate, 205 is a power supply box, 206 is an upper cover, 207 is a heat insulation plate, 208 is a sealing strip, 209 is an air outlet pipeline, 210 is an elbow, 211 is a pollutant collecting cover, 212 is a furnace ring, 213 is a rotary air knife, 214 is an air inlet quick connector, 215 is a bearing seat, 216 is a bearing, 218 is an air knife air outlet, 219 is a high-pressure air pipeline, 220 is a connecting pipe, 221 is a bracket, 222 is a connecting piece, and 223 is a fixed nut;
3 is a three-stage wet dust removal cooling box, 301 is a water outlet, 302 is a partition plate, 303 is a cover plate, 304 is a fixing bolt, and 305 is a hinge;
4 is a smoke removing box, 5 is an active carbon filter box, 501 is an active carbon filter screen;
6 is an air inlet, 7 is an air outlet, 8 is a blowing fan, 9 is a cooling water tank, and 10 is an air outlet.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. The following describes the technical scheme of the present invention in detail with reference to examples and drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the regeneration device of the catalytic converter of the automobile engine comprises a box body 1, wherein the interior of the box body 1 is divided into a soot blowing chamber 101 and a filtering chamber 102, a regeneration furnace 2 is arranged in the soot blowing chamber 101, a three-stage wet dedusting cooling box 3, a smoke removing box 4 and an active carbon filtering box 5 are arranged in the filtering chamber 102, a soot blowing chamber door 103 is arranged in the soot blowing chamber 101, a movable buckle plate 104 is arranged in the filtering chamber 102, and a universal wheel 105 is arranged at the bottom of the box body 1.
As shown in fig. 12, the air outlet of the regenerating oven 2 is connected with the air inlet 6 of the three-stage wet dust-removing cooling box 3 through a pipeline, the air outlet of the three-stage wet dust-removing cooling box 3 is connected with the air inlet 6 of the smoke removing box 4 through a pipeline, a purging fan 8 is arranged on the pipeline connecting the three-stage wet dust-removing cooling box 3 and the smoke removing box 4, the air outlet of the smoke removing box 4 is connected with the air inlet 6 at the bottom of the activated carbon filter box 5, and the air outlet at the top of the activated carbon filter box 5 is directly communicated with the atmosphere outside the box body 1 through a pipeline. The regenerating furnace 2 is used for heating and ashing colloid type carbon smoke attached to the catalytic converter into gaseous substances, and the gaseous substances sequentially enter the three-stage wet dust removal cooling box 3, the smoke removal box 4 and the active carbon filtering box 5 through the air outlet of the regenerating furnace 2, cool, filter and remove peculiar smell and then are discharged into the atmosphere.
Specifically, as shown in fig. 2-5, a heating ceramic furnace core 202 is arranged in a heating furnace body 201 of a regenerating furnace 2, heat insulation cotton 203 is arranged between the heating furnace body 201 and the heating ceramic furnace core 202, a power supply box 205 is connected to the rear part of the heating furnace body 201 through a fixing plate 204, an upper cover 206 is arranged at the top of the heating furnace body 201, a heat insulation plate 207 is arranged on the inner side of the upper cover 206, a sealing strip 208 is arranged at the edge of the heat insulation plate 207, the whole heating furnace body 201 forms a sealed heating structure, the power supply box 205 provides electric heating for the heating ceramic furnace core 202, the working environments of DOC and DPF are simulated, about 45 minutes of heating is performed by using 380V to supply 5 kilowatts, and the temperature in the regenerating furnace 2 is increased to 580-680, so that colloid carbon of DOC and DPF is rapidly ashed at high temperature; the bottom of the regenerating oven 2 is provided with an air outlet, the air outlet of the regenerating oven 2 is connected with an air outlet pipeline 209 arranged in the regenerating oven 2, the other end of the air outlet pipeline 209 is communicated with a bell-mouthed pollutant collecting cover 211 through an elbow 210, a furnace ring 212 is arranged in the pollutant collecting cover 211, the bottom of the elbow 210 is connected with a rotary air knife 213, as shown in fig. 6, the rotary air knife 213 comprises an air inlet quick connector 214, a bearing pedestal 215, a bearing 216, a connecting piece 222 and a conical air knife air outlet 218 which are sequentially connected, and the air inlet quick connector 214 of the rotary air knife 213 is connected with a compressed air storage tank through a high-pressure air pipeline 219. The high-pressure gas pipeline 219 is opened to supply oxygen, the air knife air outlet 218 automatically rotates in a fan shape to spray on the surfaces of the DOC and the DPF under the reaction of gas spraying, most of ash in the DOC and the DPF is directly blown out, and the particle dust pollutants enter the three-stage wet dedusting cooling box 3 along with the oxygen through the air outlet pipeline 209.
As shown in fig. 7-8, the three-stage wet dust-removing cooling box 3 is also provided with an air inlet 6 and an air outlet 7, and is also provided with a water inlet and a water outlet 301, a circuitous gas travelling path is formed between the air inlet 6 and the air outlet 7 of the three-stage wet dust-removing cooling box 3 through three partition boards 302, and the water inlet is connected with a cooling water tank 9; filling water into the three-stage wet dust-removing cooling box 3 through a cooling water tank 9, enabling the cooling water to infiltrate 2/3 of the cavity inside the three-stage wet dust-removing cooling box 3, mixing the granular dust pollutant mixed gas entering from an air inlet 6 of the three-stage wet dust-removing cooling box 3 with the cooling water and pushing the cooling water to flow between the partition plates 302, cooling the granular dust pollutant mixed gas by heat exchange with the cooling water, settling larger particles in the pollutants in the water, arranging a sieve plate and an eduction pipe for removing water at an air outlet 7 of the three-stage wet dust-removing cooling box 3, discharging the gas in the cooling water from the air outlet 7, and discharging the cooled water after heat exchange through a pipeline connected with a water outlet 301; under the action of the blowing fan 8, the gas enters the air inlet 6 of the smoke removal box 4, small particle pollutants in the gas are further filtered through the smoke removal box 4 and then discharged, and the gas enters the activated carbon filter box 5 through the air inlet 6 to absorb peculiar smell. The smoke removing box 4 adopts an electrostatic dust collector or a filter type dust collector.
As shown in fig. 9, two layers of push-pull tracks are horizontally arranged in the activated carbon filter box 5, a layer of activated carbon filter screen 501 is slidably connected to each push-pull track, and a handle is arranged on each activated carbon filter screen 501, so that the activated carbon filter screen 501 is convenient to replace, an air inlet 6 is arranged at the bottom of the activated carbon filter box 5, and an air outlet 10 is arranged at the top of the activated carbon filter box, so that air enters from the lower part and is discharged from the upper part.
The device simulates the working environment of DOC and DPF, the DOC and the DPF are placed in a heating ceramic furnace core 202 of a regeneration furnace 2, the temperature is raised to 580-680 by about 5 kilowatts after 380V power supply, colloid smoke carbon of the DOC and the DPF is rapidly ashed at high temperature, an oxygen supply switch is turned on, an air knife air outlet 218 is used for spraying oxygen on the surfaces of the DOC and the DPF in a fan-shaped automatic rotation mode under the reaction of gas spraying, most ash in the DOC and the DPF is directly blown out, and the DOC and the DPF enter a smoke removing box 4 after being cooled by a three-stage wet dedusting cooling box 3 and filtered by a large-particle dust filter, and the peculiar smell can be removed after being filtered by an active carbon filter box 5 and is directly discharged into the atmosphere. After the combustion work is finished, the ash is automatically rotated and purged by an air knife in the soot blowing chamber 101.
The device can rapidly and efficiently remove colloid carbon and carbon pollutants which are difficult to remove from the surfaces of a DOC and a DPF through the rotary oxygen supply blowing function of the air knife at the lower part of the regenerating furnace; the device is compared with equipment purged by compressed air, the bottom rotary oxygen supply furnace is purged in combustion, and the device has the advantages of simple structure, high speed, reliability, no additional power, no consumable, energy saving and consumption reduction, uniform purging of a working face, quick ash discharge and capability of solving the regeneration problems of DOC and DPF. Compared with liquid ultrasonic waves, the device has the advantages that the dust removal and cooling device can be used for long-time cleaning-free, the later-stage waste treatment is convenient, and the device is simple and reliable and has no pollution to the environment.
While the invention has been described in detail in connection with specific preferred embodiments thereof, it is not to be construed as limited thereto, but rather as a result of a simple deduction or substitution by a person having ordinary skill in the art to which the invention pertains without departing from the scope of the invention defined by the appended claims.
Claims (8)
1. The regeneration device of the catalytic converter of the automobile engine is characterized by comprising a regeneration furnace, a cooling and dedusting device, a smoke filtering device and an active carbon filtering box which are sequentially connected, wherein the regeneration furnace is used for heating and ashing colloid type carbon fume attached to the catalytic converter into gaseous matters, and the gaseous matters sequentially enter the cooling and dedusting device, the smoke filtering device and the active carbon filtering box through an air outlet of the regeneration furnace to cool, filter and remove peculiar smell and then are discharged into the atmosphere;
the regeneration furnace is internally provided with a rotary air knife which comprises an air inlet quick connector, a bearing seat, a bearing, a connecting pipe and a conical air knife air outlet which are connected in sequence, wherein the air inlet quick connector of the rotary air knife is connected with an air supply device through a high-pressure air pipeline;
the cooling and dust removing device is provided with an air inlet and an air outlet, a roundabout air travelling path is formed between the air inlet and the air outlet of the cooling and dust removing device through a plurality of partition boards, and the cooling and dust removing device is provided with a water inlet and a water outlet, and the water inlet is connected with a cooling water tank; a fan is connected between the exhaust port of the cooling and dedusting device and the air inlet of the smoke filtering device; the exhaust port of the cooling dust collector is provided with a sieve plate and an eduction tube for removing water, and the gas in the cooling water is discharged from the exhaust port after removing water.
2. The apparatus for regenerating an automotive engine catalytic converter according to claim 1, further comprising a case, wherein the regenerating oven, the cooling and dust removing apparatus, the smoke filtering apparatus, and the activated carbon filtering case are disposed in the case, the case has an openable structure and a traveling mechanism is disposed at a bottom thereof.
3. The regeneration device of the catalytic converter of the automobile engine according to claim 2, wherein the box body is provided with a soot blowing chamber and a filtering chamber, the regeneration furnace is arranged in the soot blowing chamber, the cooling and dust removing device, the smoke filtering device and the activated carbon filtering box are arranged in the filtering chamber, the soot blowing chamber is provided with a soot blowing chamber door, and the filtering chamber is provided with a movable buckle plate.
4. The regeneration device of the catalytic converter of the automobile engine according to claim 1, wherein a plurality of layers of active carbon filter screens are horizontally arranged in the active carbon filter box, an air inlet is arranged at the bottom of the active carbon filter box, and an air outlet is arranged at the top of the active carbon filter box.
5. The regeneration device of the catalytic converter of the automobile engine according to claim 4, wherein a plurality of layers of push-pull tracks are horizontally arranged in the active carbon filter box, and the active carbon filter screen is connected to the push-pull tracks in a sliding manner.
6. The apparatus according to claim 1, wherein the regenerating oven comprises an oven body in which a heating ceramic oven core is provided.
7. The regeneration device of a catalytic converter of an automobile engine according to claim 6, wherein the bottom of the heating ceramic furnace core is connected with a gaseous matter collecting cover, the bottom of the gaseous matter collecting cover is connected with an air outlet pipeline through an elbow, and the elbow is connected with a rotary air knife, so that an air knife air outlet of the rotary air knife is perpendicular to the bottom of the gaseous matter collecting cover.
8. The automobile engine catalytic converter regeneration apparatus of claim 1, wherein said air supply means is a compressed air storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010415098.2A CN111420713B (en) | 2020-05-15 | 2020-05-15 | Regeneration device of catalytic converter of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010415098.2A CN111420713B (en) | 2020-05-15 | 2020-05-15 | Regeneration device of catalytic converter of automobile engine |
Publications (2)
| Publication Number | Publication Date |
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| TWI776252B (en) * | 2020-10-08 | 2022-09-01 | 昇詳工程有限公司 | Switchable organic exhaust gas treatment device and operation method thereof |
| CN112096488B (en) * | 2020-11-17 | 2021-02-02 | 山东艾泰克环保科技股份有限公司 | DPF pneumatic cleaning device |
| CN114146531B (en) * | 2021-11-30 | 2024-03-08 | 西安瑞成公共安全消防研究院有限公司 | Fire-fighting smoke treatment device based on artificial intelligence |
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| CN109856818A (en) * | 2019-01-03 | 2019-06-07 | 苏州市星光精密机械有限公司 | A kind of air knife and the air knife component including the air knife |
| CN110004862A (en) * | 2019-05-16 | 2019-07-12 | 路直 | Rotary wind |
| CN212524122U (en) * | 2020-05-15 | 2021-02-12 | 张洪东 | Regeneration device of catalytic converter of automobile engine |
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