CN214499206U - Particle catcher capable of cleaning ash without disassembly - Google Patents
Particle catcher capable of cleaning ash without disassembly Download PDFInfo
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- CN214499206U CN214499206U CN202120577654.6U CN202120577654U CN214499206U CN 214499206 U CN214499206 U CN 214499206U CN 202120577654 U CN202120577654 U CN 202120577654U CN 214499206 U CN214499206 U CN 214499206U
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- annular groove
- air
- filter element
- ring annular
- catalyst filter
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- Processes For Solid Components From Exhaust (AREA)
Abstract
The utility model provides a particle catcher capable of cleaning ash without disassembly, which comprises a catcher shell and a catalyst filter element arranged in the catcher shell; an inner ring annular groove and an outer ring annular groove are formed in the catalyst filter element close to the gas outlet end; a circular groove is arranged on the catalyst filter element close to the gas outlet end, the outer diameter of the circular groove is equal to that of the inner ring annular groove, and a circular plug is arranged in the circular groove; the inner side of the circular plug is provided with a collecting groove, the middle part of the catalyst filter element is provided with a plurality of flow channels extending along the axial direction, and the catalyst filter element is communicated with the collecting groove from one end close to the air inlet; an air exhaust joint is arranged on the trap shell close to the air inlet end, an air blowing joint is arranged on the trap shell close to the air outlet end, and the air blowing joint is communicated with the collecting groove through an air blowing pipeline. The utility model discloses a particle trap need not to dismantle alright carry out the deashing, can effectively improve particle trap's deashing maintenance efficiency, and the deashing mode of exempting from to install and remove can improve work efficiency.
Description
Technical Field
The utility model belongs to the technical field of car particle trap, concretely relates to can exempt from to tear open particle trap of deashing.
Background
A particulate trap (DPF) is a filter installed in the exhaust system of a diesel engine that traps particulate emissions before they enter the atmosphere. The DPF, in addition to collecting soot, collects oil, additives, and substances resulting from the combustion of diesel fuel, also known as ash. The soot can be consumed by passive regeneration or active regeneration, so that the trapping efficiency of the DPF can be kept high in the whole life cycle. However, ash cannot be eliminated through a regeneration mode, and the ash is accumulated on the inner wall of the DPF, so that the effective filtering area of the DPF is reduced, the trapping efficiency of the DPF is influenced, and the exhaust back pressure is increased, and various faults of a vehicle are caused.
The maintenance of the DPF is mainly a soot cleaning process, and usually, the DPF needs to be detached from an engine exhaust system during soot cleaning and then cleaned by a purging method. However, the soot cleaning process of the DPF is complicated, the assembly and disassembly workload is large, the DPF is not blocked seriously, and only the device needs to be disassembled to blow and clean soot when the soot is cleaned simply, so that the soot cleaning efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a can exempt from to tear open particle trap of deashing, this particle trap need not to dismantle alright carry out the deashing, can effectively improve particle trap's deashing maintenance efficiency, can exempt from to assemble and tear open and improve work efficiency.
The utility model discloses a following technical scheme realizes:
a particle trap capable of cleaning ash without disassembly comprises a trap shell and a catalyst filter element arranged in the trap shell, wherein the trap shell is provided with an air inlet end and an air outlet end, and the trap shell is connected with a front pipeline and a rear pipeline of an engine exhaust system through the air inlet end and the air outlet end;
the catalyst filter element is provided with an inner ring annular groove and an outer ring annular groove close to the gas outlet end, the inner ring annular groove and the outer ring annular groove are coaxially arranged, and specifically, the inner ring annular groove and the outer ring annular groove close to the gas inlet end are of closed structures;
a circular groove is arranged on the catalyst filter element close to the gas outlet end, the outer diameter of the circular groove is equal to that of the annular groove of the inner ring, and a circular plug is arranged in the circular groove; the circular plug can plug the annular groove of the inner ring;
the catalyst filter element is provided with a circular groove, and the inner side of the circular plug is arranged at one side in the circular groove;
an air suction joint is arranged on the trap shell and is communicated with the trap shell, an air blowing joint is arranged on the trap shell and is communicated with the collecting groove through an air blowing pipeline; and the air suction joint and the air blowing joint are both provided with a closure plug.
According to the above technical scheme, the utility model provides a pair of can exempt from to tear open particle trap of deashing, beneficial effect lies in: when the particle trap works, automobile exhaust enters the trap shell from the air inlet end and flows into a plurality of flow channels, based on the wall-flow type filtering principle, the automobile exhaust is radially filtered in the catalyst filter element, the automobile exhaust is filtered to the inner ring annular groove from the inner wall of the flow channel, then is filtered to the outer ring annular groove from the inner ring annular groove, finally flows out of the catalyst filter element and is discharged out of the trap shell through the air outlet end, ash in the automobile exhaust cannot pass through the inner wall of the flow channel and enters the inner ring annular groove, and the ash is retained in the flow channel; automobile exhaust flows from the flow channel to the inner ring annular groove and then flows from the inner ring annular groove to the outer ring annular groove, so that the oxidation-reduction reaction efficiency of the automobile exhaust can be improved; when the particle catcher is maintained and cleaned, the air exhaust connector and the closure plug on the air exhaust connector are disassembled, the air exhaust connector is externally connected with an air compressor through a pipeline, the air exhaust connector is externally connected with an air pump through a pipeline, the particle catcher is not required to be disassembled, air flow is injected into the circular plug by the air compressor, the air pump exhausts air simultaneously, so that the air entering the particle catcher is exhausted by the air exhaust connector, meanwhile, the air flow carries ash in a plurality of flow channels and is blown out from the air exhaust connector, and the air blow-out of the air compressor and the air exhaust pump can avoid the air flow entering the particle catcher from channeling to an engine; in addition, the blowing direction can be changed, the blowing connector is externally connected with an air pump through a pipeline, and the air suction connector is externally connected with an air compressor through a pipeline; this particle trap need not to dismantle alright carry out the deashing, can effectively improve particle trap's deashing maintenance efficiency, and the deashing mode of exempting from to install and remove can improve work efficiency.
Further inject, a plurality of runners of catalyst filter core are the heliciform, and this catalyst filter core's heliciform runner can increase filter speed, and increase flux can be convenient for erode the runner inner wall, makes the ash content be difficult for adhering to or piling up at the runner inner wall, can effectively improve catalyst filter core's catalysis filtration efficiency and sweep the deashing efficiency.
Further limiting, the circular plug is fixedly bonded or in threaded connection with the inner side wall of the annular groove of the inner ring; specifically, during threaded connection, the inner side wall of the inner ring annular groove is provided with an internal thread, the outer side wall of the circular plug is provided with an external thread, and the circular plug is installed in a threaded connection mode.
Further, the carrier of the catalyst filter element is made of ceramic, and the ceramic is acid-base resistant, high-temperature resistant, corrosion resistant and the like.
Further, catalysts are sprayed on the inner side walls of the outer ring annular groove, the inner ring annular groove and each flow channel, and specifically, the catalysts are made of metal platinum, rhodium or palladium and other DPF catalyst materials.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial cross-sectional view of the present invention.
Fig. 3 is a sectional view taken along a line a-a in fig. 2.
Fig. 4 is a sectional view taken along the line B-B in fig. 2.
Fig. 5 is a sectional view taken along the direction C-C in fig. 2.
In the drawings: 1-a trap shell, 11-an air inlet end, 12-an air outlet end, 2-a catalyst filter element, 21-an inner ring annular groove, 22-an outer ring annular groove, 23-a circular groove, 24-a flow channel, 3-a circular plug, 31-a collecting groove, 4-an air suction joint, 5-an air blowing joint and 6-an air blowing pipeline.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present application, it is to be understood that the terms "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the 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.
As shown in fig. 1 to 5, a particle trap capable of cleaning ash without disassembly comprises a trap shell 1 and a catalyst filter element 2 arranged inside the trap shell 1, wherein the trap shell 1 is provided with an air inlet end 11 and an air outlet end 12, and the trap shell 1 is connected with a front pipeline and a rear pipeline of an engine exhaust system through the air inlet end 11 and the air outlet end 12;
the catalyst filter element 2 is provided with an inner ring annular groove 21 and an outer ring annular groove 22 close to the gas outlet end 12, the inner ring annular groove 21 and the outer ring annular groove 22 are coaxially arranged, and specifically, the inner ring annular groove 21 and the outer ring annular groove 22 close to the gas inlet end 11 are of closed structures;
a circular groove 23 is formed in the catalyst filter element 2 close to the gas outlet end 12, the outer diameter of the circular groove 23 is equal to that of the inner ring annular groove 21, and a circular plug 3 is mounted in the circular groove 23; the circular plug 3 can plug the annular groove 21 of the inner ring;
the inner side of the circular plug 3 is provided with a collecting groove 31, specifically, the inner side of the circular plug 3 is arranged at one side in the circular groove 23, the middle part of the catalyst filter element 2 is provided with a plurality of flow channels 24 extending along the axial direction, the flow channels 24 are all positioned at the inner side of the inner ring annular groove 21, and the end of the catalyst filter element 2 close to the air inlet penetrates through the collecting groove 31; the plurality of flow channels 24 of the catalyst filter element 2 are spiral, the spiral flow channels 24 of the catalyst filter element 2 can increase the filtering speed, increase the flux, facilitate the washing of the inner wall of the flow channel 24, ensure that ash is not easy to attach or accumulate on the inner wall of the flow channel 24, and effectively improve the catalytic filtering efficiency and the blowing and dust removing efficiency of the catalyst filter element 2;
an air suction joint 4 is arranged on the trap shell 1 and is close to the air inlet end 11, the air suction joint 4 is communicated with the interior of the trap shell 1, an air blowing joint 5 is arranged on the trap shell 1 and is close to the air outlet end 12, and the air blowing joint is communicated with the collecting groove 31 through an air blowing pipeline 6; the air suction joint 4 and the air blowing joint 5 are both provided with a cut-off plug (not shown in the figure).
In this embodiment, the circular plug 3 is fixedly bonded to the inner side wall of the inner ring annular groove 21.
In the embodiment, the carrier of the catalyst filter element 2 is made of ceramic, and the ceramic is acid-base resistant, high-temperature resistant, corrosion resistant and the like; and catalysts are sprayed on the inner side walls of the outer ring annular groove 22, the inner ring annular groove 21 and each flow channel 24, and specifically, the catalysts are metal platinum, rhodium or palladium and other DPF catalyst materials.
The working principle of the embodiment is as follows: when the particle trap works, automobile exhaust enters the trap shell 1 from the air inlet end 11 and flows into the plurality of flow channels 24, based on the wall-flow type filtering principle, the automobile exhaust is radially filtered in the catalyst filter element 2, the automobile exhaust is filtered to the inner ring annular groove 21 from the inner wall of the flow channel 24, then is filtered to the outer ring annular groove 22 from the inner ring annular groove 21, finally flows out of the catalyst filter element 2 and is discharged out of the trap shell 1 through the air outlet end 12, ash in the automobile exhaust cannot pass through the inner wall of the flow channel 24 and enters the inner ring annular groove 21, and the ash is retained in the flow channel 24; when the particle catcher is maintained and cleaned, the air exhaust connector 4 and the closure plug on the air exhaust connector 5 are disassembled, the air exhaust connector 5 is externally connected with an air compressor through a pipeline, the air exhaust connector 4 is externally connected with an air exhaust pump through a pipeline, the particle catcher is not required to be disassembled, air flow is injected into the circular plug 3 by using the air compressor, meanwhile, the air exhaust pump exhausts air, so that the air entering the particle catcher is exhausted out of the air exhaust connector 4, meanwhile, the air flow carries ash in the plurality of flow channels 24 and is blown out from the air exhaust connector 4, and the air supply of the air compressor and the air exhaust of the air exhaust pump can avoid the air flow entering the particle catcher from flowing to an engine; specifically, the injected air flow can be heated, and the ash removal effect is improved; in addition, the blowing direction can be changed, the blowing connector 5 is externally connected with an air pump through a pipeline, and the air extracting connector 4 is externally connected with an air compressor through a pipeline. This particle trap need not to dismantle alright carry out the deashing, can effectively improve particle trap's deashing maintenance efficiency, and the deashing mode of exempting from to install and remove can improve work efficiency.
Claims (5)
1. The utility model provides a can exempt from to tear particle trap of deashing open, includes the trap casing and installs in the inside catalyst filter core of trap casing, is equipped with the inlet end on the trap casing and gives vent to anger the end, its characterized in that:
the catalyst filter element is provided with an inner ring annular groove and an outer ring annular groove near the gas outlet end, and the inner ring annular groove and the outer ring annular groove are coaxially arranged;
a circular groove is arranged on the catalyst filter element close to the gas outlet end, the outer diameter of the circular groove is equal to that of the annular groove of the inner ring, and a circular plug is arranged in the circular groove;
the inner side of the circular plug is provided with a collecting groove, the middle part of the catalyst filter element is provided with a plurality of flow channels extending along the axial direction, the flow channels are all positioned on the inner side of the inner ring annular groove, and the catalyst filter element is communicated to the collecting groove from one end close to the air inlet;
an air suction joint is arranged on the trap shell close to the air inlet end and is communicated with the trap shell, an air blowing joint is arranged on the trap shell close to the air outlet end, and the air blowing joint is communicated with the collecting groove through an air blowing pipeline; the air exhaust joint and the air blowing joint are both provided with a closure plug.
2. The particle catcher capable of cleaning ash without dismantling as claimed in claim 1, wherein: and a plurality of flow channels of the catalyst filter element are spiral.
3. The particle catcher capable of cleaning ash without dismantling as claimed in claim 1 or 2, wherein: the circular plug is fixedly bonded or in threaded connection with the inner side wall of the inner ring annular groove.
4. The particle catcher capable of cleaning ash without dismantling as claimed in claim 3, wherein: the carrier of the catalyst cartridge is made of ceramic.
5. The particle catcher capable of cleaning ash without disassembly as claimed in claim 4, wherein: and catalysts are sprayed on the inner side walls of the outer ring annular groove, the inner ring annular groove and each flow channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577654.6U CN214499206U (en) | 2021-03-22 | 2021-03-22 | Particle catcher capable of cleaning ash without disassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577654.6U CN214499206U (en) | 2021-03-22 | 2021-03-22 | Particle catcher capable of cleaning ash without disassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214499206U true CN214499206U (en) | 2021-10-26 |
Family
ID=78199691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120577654.6U Active CN214499206U (en) | 2021-03-22 | 2021-03-22 | Particle catcher capable of cleaning ash without disassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214499206U (en) |
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2021
- 2021-03-22 CN CN202120577654.6U patent/CN214499206U/en active Active
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