CN113864032A - Multistage circulating three way catalyst converter for automobile exhaust treatment - Google Patents
Multistage circulating three way catalyst converter for automobile exhaust treatment Download PDFInfo
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- CN113864032A CN113864032A CN202111095823.3A CN202111095823A CN113864032A CN 113864032 A CN113864032 A CN 113864032A CN 202111095823 A CN202111095823 A CN 202111095823A CN 113864032 A CN113864032 A CN 113864032A
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- way catalyst
- fixed mounting
- catalyst converter
- ceramic carrier
- automobile exhaust
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- 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
- F01N13/009—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 having two or more separate purifying devices arranged in series
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- 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
- F01N13/009—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 having two or more separate purifying devices arranged in series
- F01N13/0097—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 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
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- 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
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
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- 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
- F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
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- 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
- F01N3/0211—Arrangements for mounting filtering elements in housing, e.g. with means for compensating thermal expansion or vibration
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- 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
- F01N3/0217—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 the filtering elements having the form of hollow cylindrical bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
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- 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
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- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
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- 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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
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- 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
Abstract
The invention discloses a multi-stage circulating three-way catalyst for treating automobile exhaust, which comprises an inner layer of the three-way catalyst, wherein a multi-stage purification treatment device is fixedly arranged between the inner wall of the upper end and the inner wall of the lower end of the inner layer of the three-way catalyst, a heat insulation interlayer is fixedly arranged on the outer surface of the inner layer of the three-way catalyst, an outer layer of the three-way catalyst is fixedly arranged on the outer surface of the heat insulation interlayer, a circulation treatment device is fixedly arranged on the inner layer of the three-way catalyst, the heat insulation interlayer and the lower end of the outer layer of the three-way catalyst in a co-penetration manner, and a damping protection device is fixedly arranged on the outer surface of the outer layer of the three-way catalyst. According to the multi-stage circulating type three-way catalyst for automobile exhaust treatment, the multi-stage purification treatment device not only improves the exhaust treatment and purification effect, but also protects the environment, the shock absorption protection device not only effectively protects the three-way catalyst, but also prolongs the service life of the three-way catalyst, and the filtering device improves the purification efficiency and purification quality of the three-way catalyst.
Description
Technical Field
The invention relates to the technical field of three-way catalysts, in particular to a three-way catalyst for multistage circulating automobile exhaust treatment.
Background
The purifying agent in the three-way catalyst can enhance the activity of three gases of CO, HC and NOX to promote the three gases to carry out certain oxidation-reduction chemical reaction when high-temperature automobile exhaust passes through the purifying device, wherein CO is oxidized into colorless and nontoxic carbon dioxide gas at high temperature; HC compounds are oxidized at high temperature to water and carbon dioxide; NOx is reduced to nitrogen and oxygen. 1. The existing three-way catalytic converter has a simple treatment mode, and the tail gas is directly discharged after being treated for one time, so that the tail gas cannot be completely treated, the tail gas treatment quality is influenced, and the environment is polluted by directly discharging the tail gas; 2. most of the existing three-way catalytic converters are directly fixed on an automobile frame, the three-way catalytic converters are exposed outside, and the automobile is easy to be collided by the outside and can also be subjected to certain vibration when running, so that the service life of the three-way catalytic converters is influenced; 3. the existing three-way catalyst is directly connected with an automobile exhaust system, dust and impurities in automobile exhaust are difficult to purify and can be accumulated in the three-way catalyst, and therefore the purification efficiency and the purification quality of the three-way catalyst are affected. Therefore, a three-way catalytic converter for multi-stage circulation type automobile exhaust treatment is provided.
Disclosure of Invention
The invention mainly aims to provide a three-way catalyst for treating multistage circulating automobile exhaust, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a multi-stage circulating three-way catalyst for treating automobile exhaust comprises a three-way catalyst inner layer, wherein a multi-stage purification treatment device is fixedly arranged between the upper end inner wall and the lower end inner wall of the three-way catalyst inner layer, a heat insulation interlayer is fixedly arranged on the outer surface of the three-way catalyst inner layer, a three-way catalyst outer layer is fixedly arranged on the outer surface of the heat insulation interlayer, a circulation treatment device is fixedly arranged at the lower ends of the three-way catalyst inner layer, the heat insulation interlayer and the three-way catalyst outer layer in a commonly penetrating manner, a shock absorption protection device is fixedly arranged on the outer surface of the three-way catalyst outer layer, two mounting plates are fixedly arranged at the front part and the rear part of the upper end of the shock absorption protection device, four mounting plates are provided with mounting screw holes at the upper ends, a quick discharge device is fixedly arranged at the inner layer, the heat insulation interlayer and the right end of the three-way catalyst outer layer in a commonly penetrating manner, fixed mounting has a connecting tube jointly interlude with three way catalyst converter inlayer, adiabatic intermediate layer and the outer left end of three way catalyst converter, connecting tube left end fixed mounting has filter equipment, filter equipment left end fixed mounting has connecting device.
Preferably, multistage purification unit includes a ceramic carrier and No. two ceramic carriers, a ceramic carrier left end fixed mounting has a catalyst coating, No. two ceramic carrier left end fixed mounting has No. two catalyst coatings, No. two catalyst coatings left end is opened has two connectors, two the connector left end all alternates fixed mounting and has the spliced pole, two spliced pole left end and a ceramic carrier fixed connection, the equal fixed mounting in surface of a ceramic carrier and No. two ceramic carriers has ceramic liner, a ceramic carrier and No. two ceramic carriers all through ceramic liner fixed mounting between three way catalyst converter inlayer upper end inner wall and lower extreme inner wall.
Preferably, the shock attenuation protector includes a protection plate and No. two protection plates, the equal fixed mounting of one end that a protection plate and No. two protection plates correspond has four springs, the equal fixed mounting in a protection plate and No. two protection plate upper ends has a fixed plate, two the screw hole has all been opened at fixed plate front end middle part, two the fixed plate has fixing bolt through the common threaded connection of screw hole, a protection plate and No. two protection plates are fixed mounting respectively at three way catalyst converter outer surface rear portion and surface anterior.
Preferably, the filtering device comprises a connecting cylinder body, a connecting thread is carved at the left end of the connecting cylinder body, two fixing columns are fixedly mounted on the inner wall of the upper end and the inner wall of the lower end of the connecting cylinder body, a dust removal filter cylinder is fixedly mounted between the four fixing columns, a plurality of filtering holes are formed in the outer surface of the dust removal filter cylinder, a tail gas inlet is formed in the left end of the dust removal filter cylinder, and the connecting cylinder body is fixedly mounted at the left end of the connecting pipeline.
Preferably, circulation processing apparatus includes the fan, fan upper end fixed mounting has two fixed blocks, fan front end fixed mounting has the suction line, fan rear end fixed mounting has the backflow pipeline, the fan is through two fixed block fixed mounting at the outer lower extreme middle part of three way catalyst converter, suction line and backflow pipeline alternate fixed mounting respectively at the outer lower extreme left part of three way catalyst converter inlayer, adiabatic intermediate layer and three way catalyst converter and lower extreme right part.
Preferably, the quick discharge device comprises a discharge pipeline and a fan, wherein the upper end and the lower end of the fan are both fixedly provided with supporting blocks, the fan is fixedly arranged in the discharge pipeline in an inserting manner through the two supporting blocks, and the discharge pipeline is fixedly arranged in an inner layer of the three-way catalyst, a heat insulation interlayer and the right end of the outer layer of the three-way catalyst in an inserting manner.
Preferably, connecting device includes that tail gas connects the siphunculus, tail gas connects siphunculus left end fixed mounting to have flange, tail gas connects the siphunculus surface right part to be carved with the chucking screw thread, tail gas connects the siphunculus to pass through chucking threaded connection at the coupling barrel left end.
Preferably, the first ceramic carrier and the second ceramic carrier are symmetrically distributed in the front and back direction, and the first ceramic carrier and the second ceramic carrier are not in contact with the air suction pipeline and the return pipeline.
Preferably, the two screw holes are symmetrically distributed in the front and back direction, and the two screw holes are consistent with the fixed bolt in size.
Preferably, the tail gas through pipe is in threaded connection with the connecting cylinder body through clamping threads, and the right end of the tail gas through pipe is inserted into the dedusting filter cylinder.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the three-way catalytic converter for the multistage circulation type automobile exhaust treatment, the first catalyst coating and the second catalyst coating are respectively arranged at the front ends of the first ceramic carrier and the second ceramic carrier on the multistage purification treatment device, so that the exhaust can be subjected to double treatment, when the exhaust needs to be purified more carefully, the purified exhaust can be extracted through the air suction pipeline by the fan on the circulation treatment device, and then conveyed to the front part of the multistage purification treatment device through the backflow pipeline for circulation and retreatment, so that the automobile exhaust can be sufficiently purified, the exhaust treatment and purification effect is improved, and the environment is protected.
2. According to the multi-stage circulating type three-way catalyst for treating the automobile exhaust, the two fixing plates are fixed through the fixing bolts of the damping protection device, so that the first protection sheet and the second protection sheet at the lower ends of the two fixing plates are clamped on the two outer sides of the three-way catalyst, springs are designed on the first protection sheet and the second protection sheet, the three-way catalyst is effectively protected and prevented from being collided, the springs can effectively reduce vibration brought to the three-way catalyst when an automobile runs, the service life of the three-way catalyst is prolonged, the fixing distance between the two fixing plates can be adjusted through the fixing bolts, the three-way catalyst can be better supported and fixed, and the practicability of the device is improved.
3. The multi-stage circulating type three-way catalytic converter for treating the automobile exhaust is connected with the exhaust communicating pipe on the connecting device through the connecting threads on the connecting cylinder on the filtering device, so that the exhaust is introduced into the dust removal filter cylinder on the connecting cylinder, dust impurities in the exhaust are filtered through the dust removal filter cylinder, the impurities are prevented from being accumulated in the three-way catalytic converter when the three-way catalytic converter purifies the exhaust, and the purification efficiency and the purification quality of the three-way catalytic converter are improved.
Drawings
FIG. 1 is an overall structural view of a multi-stage circulation type three-way catalyst for treating automobile exhaust gas according to the present invention;
FIG. 2 is a schematic structural diagram of a multi-stage purification treatment device of a multi-stage circulation type three-way catalyst for treating automobile exhaust gas according to the present invention;
FIG. 3 is a schematic structural diagram of a shock absorption protection device of a multi-stage circulation type three-way catalyst for treating automobile exhaust according to the present invention;
FIG. 4 is a structural view of a filter unit of a multi-stage circulation type three-way catalyst for treating automobile exhaust gas according to the present invention;
FIG. 5 is a schematic structural diagram of a circulation treatment device of a multi-stage circulation type three-way catalyst for treating automobile exhaust gas according to the present invention;
FIG. 6 is a schematic structural diagram of a rapid exhaust device of a multi-stage circulation three-way catalyst for treating automobile exhaust according to the present invention;
FIG. 7 is a schematic structural diagram of a connecting device of a multi-stage circulation type three-way catalyst for treating automobile exhaust gas according to the present invention.
In the figure: 1. an inner layer of the three-way catalyst; 2. a multi-stage purification treatment device; 3. a shock absorbing guard; 4. a filtration device; 5. a circulation processing device; 6. a quick drain; 7. a connecting device; 8. a thermally insulating interlayer; 9. an outer layer of the three-way catalyst; 10. connecting a pipeline; 11. mounting a plate; 12. installing a screw hole; 20. a first ceramic carrier; 21. a second ceramic carrier; 22. a first catalyst coating layer; 23. a second catalyst coating; 24. a connecting port; 25. connecting columns; 26. a ceramic liner; 30. a first protective sheet; 31. a second protective sheet; 32. a spring; 33. a fixing plate; 34. a screw hole; 35. fixing the bolt; 40. connecting the cylinder body; 41. connecting threads; 42. fixing a column; 43. a dust removal filter cartridge; 44. a tail gas inlet; 45. a filtration pore; 50. a fan; 51. a fixed block; 52. an air extraction duct; 53. a return line; 60. a discharge conduit; 61. a fan; 62. a support block; 70. a connecting flange; 71. a tail gas communicating pipe; 72. and (4) clamping the threads.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1-7, a multi-stage circulation type three-way catalyst for treating automobile exhaust comprises a three-way catalyst inner layer 1, a multi-stage purification treatment device 2 is fixedly arranged between the inner wall of the upper end and the inner wall of the lower end of the three-way catalyst inner layer 1, a heat insulation interlayer 8 is fixedly arranged on the outer surface of the three-way catalyst inner layer 1, a three-way catalyst outer layer 9 is fixedly arranged on the outer surface of the heat insulation interlayer 8, a circulation treatment device 5 is fixedly arranged at the lower end of the three-way catalyst inner layer 1, the heat insulation interlayer 8 and the three-way catalyst outer layer 9 in a penetrating way, a shock absorption protection device 3 is fixedly arranged on the outer surface of the three-way catalyst outer layer 9, two mounting plates 11 are fixedly arranged at the front part of the upper end and the rear part of the upper end of the shock absorption protection device 3, mounting screw holes 12 are respectively arranged at the upper ends of the four mounting plates 11, and a quick discharge device 6 is fixedly arranged at the right end of the three-way catalyst inner layer 1, the heat insulation interlayer 8 and the three-way catalyst outer layer 9 in a penetrating way, three way catalyst converter inlayer 1, adiabatic intermediate layer 8 and three way catalyst converter outer 9 left end alternate fixed mounting jointly has connecting tube 10, and connecting tube 10 left end fixed mounting has filter equipment 4, and filter equipment 4 left end fixed mounting has connecting device 7.
The multistage purification treatment device 2 comprises a first ceramic carrier 20 and a second ceramic carrier 21, a first catalyst coating 22 is fixedly installed at the left end of the first ceramic carrier 20, a second catalyst coating 23 is fixedly installed at the left end of the second ceramic carrier 21, two connectors 24 are arranged at the left end of the second catalyst coating 23, connecting columns 25 are fixedly installed at the left ends of the two connectors 24 in a penetrating manner, the left ends of the two connecting columns 25 are fixedly connected with the first ceramic carrier 20, ceramic liners 26 are fixedly installed on the outer surfaces of the first ceramic carrier 20 and the second ceramic carrier 21, the first ceramic carrier 20 and the second ceramic carrier 21 are fixedly installed between the inner wall of the upper end and the inner wall of the lower end of the inner layer 1 of the three-way catalyst through the ceramic liners 26, the first catalyst coating 22 and the second catalyst coating 23 are respectively arranged at the front ends of the first ceramic carrier 20 and the second ceramic carrier 21, so that double treatment can be performed on tail gas; the damping protection device 3 comprises a first protection sheet 30 and a second protection sheet 31, four springs 32 are fixedly arranged at one ends of the first protection sheet 30 and the second protection sheet 31 corresponding to each other, fixing plates 33 are fixedly arranged at the upper ends of the first protection sheet 30 and the second protection sheet 31, screw holes 34 are formed in the middle parts of the front ends of the two fixing plates 33, the two fixing plates 33 are in threaded connection with fixing bolts 35 through the screw holes 34, the first protection sheet 30 and the second protection sheet 31 are fixedly arranged at the rear part of the outer surface and the front part of the outer surface of the outer layer 9 of the three-way catalyst respectively, the two fixing plates 33 are fixed through the fixing bolts 35, so that the first protection sheet 30 and the second protection sheet 31 at the lower ends of the two fixing plates 33 are clamped at the two sides of the outer layer 9 of the three-way catalyst, the springs 32 are designed on the first protection sheet 30 and the second protection sheet 31, the three-way catalyst is effectively protected, the collision of the three-way catalytic converter is avoided, and the spring 32 can effectively reduce and avoid the vibration brought to the three-way catalytic converter when the automobile runs; the filtering device 4 comprises a connecting cylinder 40, a connecting thread 41 is carved at the left end of the connecting cylinder 40, two fixing columns 42 are fixedly installed on the inner wall of the upper end and the inner wall of the lower end of the connecting cylinder 40, a dedusting filter cylinder 43 is fixedly installed between the four fixing columns 42, a plurality of filtering holes 45 are formed in the outer surface of the dedusting filter cylinder 43, a tail gas inlet 44 is formed in the left end of the dedusting filter cylinder 43, the connecting cylinder 40 is fixedly installed at the left end of the connecting pipeline 10, dust impurities in tail gas are filtered through the dedusting filter cylinder 43, and the impurities are prevented from being accumulated in the three-way catalytic converter when the three-way catalytic converter purifies the tail gas; the circulation treatment device 5 comprises a fan 50, two fixed blocks 51 are fixedly mounted at the upper end of the fan 50, an air suction pipeline 52 is fixedly mounted at the front end of the fan 50, a return pipeline 53 is fixedly mounted at the rear end of the fan 50, the fan 50 is fixedly mounted in the middle of the lower end of the outer layer 9 of the three-way catalyst through the two fixed blocks 51, the air suction pipeline 52 and the return pipeline 53 are respectively fixedly inserted in the left part and the right part of the lower end of the inner layer 1 of the three-way catalyst, the heat insulation interlayer 8 and the outer layer 9 of the three-way catalyst, purified tail gas can be extracted through the air suction pipeline 52 by the fan 50, and the tail gas is conveyed to the front part of the multistage purification treatment device 2 through the return pipeline 53 for circulation and retreatment; the quick exhaust device 6 comprises an exhaust pipeline 60 and a fan 61, wherein the upper end and the lower end of the fan 61 are fixedly provided with supporting blocks 62, the fan 61 is fixedly arranged in the exhaust pipeline 60 in an inserting manner through the two supporting blocks 62, the exhaust pipeline 60 is fixedly arranged at the right ends of the inner layer 1, the heat insulation interlayer 8 and the outer layer 9 of the three-way catalyst in an inserting manner, and after the circulation treatment of tail gas is finished, the tail gas in the three-way catalyst is quickly exhausted by blowing through the fan 61; the connecting device 7 comprises a tail gas through pipe 71, a connecting flange 70 is fixedly installed at the left end of the tail gas through pipe 71, a clamping thread 72 is carved on the right part of the outer surface of the tail gas through pipe 71, the tail gas through pipe 71 is in threaded connection with the left end of the connecting cylinder 40 through the clamping thread 72 and is connected with an automobile exhaust pipe through the connecting flange 70, so that tail gas is conveyed into the three-way catalyst for treatment; the first ceramic carrier 20 and the second ceramic carrier 21 are symmetrically distributed in the front and back direction, and the first ceramic carrier 20 and the second ceramic carrier 21 are not in contact with the air suction pipeline 52 and the return pipeline 53; the two screw holes 34 are symmetrically distributed in the front and back direction, and the two screw holes 34 are consistent with the fixed bolt 35 in size; the tail gas through pipe 71 is in threaded connection with the connecting cylinder 40 through a clamping thread 72, and the right end of the tail gas through pipe 71 is inserted into the dust removal filter cylinder 43.
It should be noted that, the invention is a multi-stage circulation three-way catalyst for treating automobile exhaust, first, the three-way catalyst is connected with an automobile exhaust pipe through a connecting flange 70 on a connecting device 7, so that the exhaust is conveyed into the three-way catalyst for treatment, then, two fixing plates 33 are fixed through fixing bolts 35 on a damping protection device 3, so that a first protection plate 30 and a second protection plate 31 at the lower ends of the two fixing plates 33 are clamped at two sides of an outer layer 9 of the three-way catalyst, springs 32 are designed on the first protection plate 30 and the second protection plate 31, not only the three-way catalyst is effectively protected and prevented from being collided, but also the springs 32 can effectively reduce the vibration brought to the three-way catalyst when the automobile runs, after the protection plates are installed, the catalyst is fixed through mounting screw holes 12 on a mounting plate 11, when tail gas is conveyed through the connecting device 7, firstly dust impurities in the tail gas are filtered by the dust removal filter cylinder 43 on the filtering device 4, so that when the three-way catalytic converter purifies the tail gas, the impurities are accumulated in the three-way catalytic converter, thereby improving the purification efficiency and the purification quality of the three-way catalytic converter, the filtered tail gas enters the inner layer 1 of the three-way catalytic converter, the first catalyst coating 22 and the second catalyst coating 23 are respectively arranged at the front ends of the first ceramic carrier 20 and the second ceramic carrier 21 on the multi-stage purification treatment device 2, thereby carrying out double treatment on the tail gas, when the tail gas needs to be purified more carefully, the purified tail gas can be extracted by the air exhaust pipeline 52 through the fan 50 on the circulating treatment device 5, and then the tail gas is conveyed to the front part of the multi-stage purification treatment device 2 through the return pipeline 53 for recycling treatment, thereby can make automobile exhaust obtain abundant purification, not only improve the exhaust treatment purifying effect, still protect the environment, the exhaust that purifies the completion at last discharges through the discharge tube way 60 on the quick discharging equipment 6 can.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a multistage circulating three way catalyst converter for automobile exhaust handles, includes three way catalyst converter inlayer (1), its characterized in that: fixed mounting has multistage purification unit (2) between three way catalyst converter inlayer (1) upper end inner wall and the lower extreme inner wall, three way catalyst converter inlayer (1) surface fixed mounting has adiabatic intermediate layer (8), adiabatic intermediate layer (8) surface fixed mounting has three way catalyst converter skin (9), three way catalyst converter inlayer (1), adiabatic intermediate layer (8) and three way catalyst converter skin (9) lower extreme interlude fixed mounting jointly have circulation processing apparatus (5), three way catalyst converter skin (9) surface fixed mounting has shock attenuation protector (3), shock attenuation protector (3) upper end front portion and upper end rear portion equal fixed mounting have two mounting panels (11), four mounting panel (11) upper end has all been opened installation screw hole (12), three way catalyst converter inlayer (1), adiabatic intermediate layer (8) and three way catalyst converter skin (9) right-hand member interlude fixed mounting has quick discharge apparatus (6) jointly, three way catalyst converter inlayer (1), adiabatic intermediate layer (8) and three way catalyst converter outer (9) left end alternate fixed mounting jointly and have connecting tube (10), connecting tube (10) left end fixed mounting has filter equipment (4), filter equipment (4) left end fixed mounting has connecting device (7).
2. The three-way catalyst for treating the multistage circulation type automobile exhaust according to claim 1, characterized in that: the multi-stage purification treatment device (2) comprises a first ceramic carrier (20) and a second ceramic carrier (21), a first catalyst coating (22) is fixedly arranged at the left end of the first ceramic carrier (20), a second catalyst coating (23) is fixedly arranged at the left end of the second ceramic carrier (21), the left end of the second catalyst coating (23) is provided with two connecting ports (24), connecting columns (25) are fixedly inserted into the left ends of the two connecting ports (24), the left ends of the two connecting columns (25) are fixedly connected with the first ceramic carrier (20), the outer surfaces of the first ceramic carrier (20) and the second ceramic carrier (21) are both fixedly provided with ceramic liners (26), the first ceramic carrier (20) and the second ceramic carrier (21) are fixedly arranged between the inner wall of the upper end and the inner wall of the lower end of the inner layer (1) of the three-way catalyst through ceramic liners (26).
3. The three-way catalyst for treating the multistage circulation type automobile exhaust according to claim 1, characterized in that: shock attenuation protector (3) are including a protection plate (30) and No. two protection plates (31), the equal fixed mounting in one end that a protection plate (30) and No. two protection plates (31) correspond has four springs (32), the equal fixed mounting in protection plate (30) and No. two protection plates (31) upper end has fixed plate (33), two fixed plate (33) front end middle part all opens screw hole (34), two fixed plate (33) have fixing bolt (35) through screw hole (34) common threaded connection, a protection plate (30) and No. two protection plates (31) respectively fixed mounting at three way catalyst converter outer layer (9) surface rear portion and surface anterior.
4. The three-way catalyst for treating the multistage circulation type automobile exhaust according to claim 1, characterized in that: the filter device (4) comprises a connecting cylinder body (40), connecting threads (41) are carved at the left end of the connecting cylinder body (40), two fixing columns (42) are fixedly mounted on the inner wall of the upper end and the inner wall of the lower end of the connecting cylinder body (40), a dust removal filter cylinder (43) is fixedly mounted between the four fixing columns (42), a plurality of filter holes (45) are formed in the outer surface of the dust removal filter cylinder (43), a tail gas inlet (44) is formed in the left end of the dust removal filter cylinder (43), and the connecting cylinder body (40) is fixedly mounted at the left end of a connecting pipeline (10).
5. The three-way catalyst for treating the multistage circulation type automobile exhaust according to claim 1, characterized in that: circulation processing apparatus (5) include fan (50), fan (50) upper end fixed mounting has two fixed blocks (51), fan (50) front end fixed mounting has draft tube (52), fan (50) rear end fixed mounting has backflow pipeline (53), fan (50) are through two fixed blocks (51) fixed mounting at the outer (9) lower extreme middle part of three way catalyst converter, draft tube (52) and backflow pipeline (53) alternate fixed mounting respectively at three way catalyst converter inlayer (1), adiabatic intermediate layer (8) and the outer (9) lower extreme left part of three way catalyst converter and lower extreme right part.
6. The three-way catalyst for treating the multistage circulation type automobile exhaust according to claim 1, characterized in that: quick exhaust apparatus (6) are including discharge duct (60) and fan (61), the equal fixed mounting of fan (61) upper end and lower extreme has supporting shoe (62), fan (61) alternate fixed mounting in discharge duct (60) through two supporting shoe (62), discharge duct (60) alternate fixed mounting in three way catalyst converter inner layer (1), adiabatic intermediate layer (8) and three way catalyst converter outer layer (9) right-hand member.
7. The three-way catalyst for treating the multistage circulation type automobile exhaust according to claim 1, characterized in that: connecting device (7) connect siphunculus (71) including tail gas, tail gas connects siphunculus (71) left end fixed mounting has flange (70), tail gas connects siphunculus (71) surface right part to be carved with chucking screw thread (72), tail gas connects siphunculus (71) to pass through chucking screw thread (72) threaded connection at connecting barrel (40) left end.
8. The three-way catalyst for treating the multistage circulation type automobile exhaust according to claim 2, characterized in that: the first ceramic carrier (20) and the second ceramic carrier (21) are symmetrically distributed in the front and back direction, and the first ceramic carrier (20) and the second ceramic carrier (21) are not in contact with the air suction pipeline (52) and the return pipeline (53).
9. The three-way catalyst for treating the multistage circulation type automobile exhaust according to claim 3, characterized in that: the two screw holes (34) are symmetrically distributed front and back, and the two screw holes (34) are consistent with the fixed bolt (35) in size.
10. The three-way catalyst for treating the multistage circulation type automobile exhaust according to claim 7, characterized in that: the tail gas communicating pipe (71) is in threaded connection with the connecting cylinder body (40) through a clamping thread (72), and the right end of the tail gas communicating pipe (71) is inserted into the dedusting filter cylinder (43).
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| CN202111095823.3A CN113864032A (en) | 2021-09-18 | 2021-09-18 | Multistage circulating three way catalyst converter for automobile exhaust treatment |
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| CN202111095823.3A CN113864032A (en) | 2021-09-18 | 2021-09-18 | Multistage circulating three way catalyst converter for automobile exhaust treatment |
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