CN113882935A - Particulate matter collection device - Google Patents

Particulate matter collection device Download PDF

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Publication number
CN113882935A
CN113882935A CN202111119869.4A CN202111119869A CN113882935A CN 113882935 A CN113882935 A CN 113882935A CN 202111119869 A CN202111119869 A CN 202111119869A CN 113882935 A CN113882935 A CN 113882935A
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China
Prior art keywords
filter
filtering
end cover
housing
end cap
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Granted
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CN202111119869.4A
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Chinese (zh)
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CN113882935B (en
Inventor
姜思君
孙钰翔
刘道远
万济录
孙博
陈俊杰
赵严伟
李越星
张�杰
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FAW Group Corp
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FAW Group Corp
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Priority to CN202111119869.4A priority Critical patent/CN113882935B/en
Publication of CN113882935A publication Critical patent/CN113882935A/en
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Publication of CN113882935B publication Critical patent/CN113882935B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust 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
    • F01N3/023Exhaust 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
    • F01N3/0233Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles periodically cleaning filter by blowing a gas through the filter in a direction opposite to exhaust flow, e.g. exposing filter to engine air intake

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to the technical field of engine exhaust treatment, and discloses a particle collecting device which comprises a shell, wherein an inlet and an outlet are arranged on the shell, a filtering assembly is arranged in the shell and is configured to filter gas entering the shell from the inlet, the filtering assembly comprises a first end cover, a second end cover and a plurality of mutually parallel filtering channels, openings are formed in two ends of each filtering channel, two adjacent filtering channels share one side wall and are communicated through a plurality of filtering through holes in the side wall, the first end cover and the second end cover are respectively positioned at two ends of the plurality of filtering channels, the opening degree of the openings corresponding to the plurality of filtering channels can be respectively adjusted by the first end cover and/or the second end cover so as to adjust the flow direction of the gas in the filtering assembly, therefore, the gas blows down particles blocked on the filtering channels, and the problem that the filtering assembly is blocked by the particles after the gas is used for a period of time is solved, and the filter assembly is not required to be disassembled and cleaned, the operation is convenient, and the cleaning effect is good.

Description

Particulate matter collection device
Technical Field
The invention relates to the technical field of engine tail gas treatment, in particular to a particulate matter collecting device.
Background
Traditional vehicle is traveling the in-process, can produce more particulate matter, and these particulate matters influence health on the one hand, and on the other hand can cause the pollution to the environment, for this reason, the exhaust end of adopting in the engine among the prior art sets up particulate matter collection device and collects the particulate matter in order to tail gas more. As shown in fig. 1, a conventional particulate matter collecting device mainly includes a plurality of filtering channels 1 ', each filtering channel 1 ' is open at one end and closed at one end, and two adjacent filtering channels 1 ' share a side wall and are communicated with each other through a plurality of filtering through holes 11 ' on the side wall, so that exhaust gas enters from the opening of one filtering channel 1 ', is filtered by the filtering through holes 11 ' on the side wall and then is discharged from the opening of the other filtering channel 1 ', and thus, the collection of particulate matters in the exhaust gas is realized.
However, after the vehicle runs for a period of time, particulate matter is easily accumulated in the filtering through holes 11 ', causing the filtering through holes 11' to be blocked, so that the back pressure of the engine exhaust gas is increased, and the fuel consumption is increased. To solve this problem, the prior art generally adopts a mode of increasing the running speed to burn the particulate matters. Considering that most vehicles travel in congested urban areas throughout the year, it is difficult to satisfy the requirement of traveling speed, and thus it is difficult to effectively solve the problem of clogging of the filtering through holes 11'.
Disclosure of Invention
The invention aims to provide a particulate matter collecting device which can clean blocked particulate matters without being disassembled, is convenient to clean and has a good anti-blocking effect.
Therefore, the invention adopts the following technical scheme:
a particle collection apparatus comprising a housing having an inlet and an outlet, a filter assembly disposed within the housing and configured to filter gas entering the housing from the inlet, the filter assembly comprising:
the filter comprises a plurality of filter channels which are parallel to each other, wherein openings are formed in two ends of each filter channel, and two adjacent filter channels share one side wall and are communicated through a plurality of filter through holes in the side wall;
the first end cover and the second end cover are respectively positioned at two ends of the plurality of filtering channels, and the opening degree of the openings corresponding to the plurality of filtering channels can be respectively adjusted by the first end cover and/or the second end cover so as to adjust the flow direction of the gas in the filtering assembly.
As a preferable scheme of the particle collecting device, a plurality of adjusting regions are respectively arranged on the first end cover and the second end cover, the adjusting regions are sequentially arranged along the circumferential direction of the shell, two adjacent adjusting regions respectively have two states of ventilation and sealing, and the first end cover and/or the second end cover can rotate around the central axis of the shell.
As a preferable scheme of the particle collecting device, the adjustment areas are the same in size, the adjustment areas can be directly opposite to the openings corresponding to the filtering channels one by one, and the filtering channels form a filtering channel group.
As a preferable mode of the particle collecting device, the number of the filter passage groups is plural, and the plural filter passage groups are sequentially arranged along the radial direction of the housing.
As a preferable mode of the particle collecting device, the first end cap and the second end cap can rotate synchronously, and two adjusting areas of the first end cap and the second end cap corresponding to each other respectively have two states of ventilation and closing.
As a preferable scheme of the particle collecting device, the particle collecting device further comprises a rotary driving assembly and a rotating shaft, the rotating shaft is respectively fixedly connected with the first end cover and the second end cover, and an output end of the rotary driving assembly is fixedly connected with the rotating shaft.
As a preferred scheme of a particle collection device, the rotation driving assembly comprises a rotating motor, a chain and a gear, the gear is sleeved on the rotating shaft and fixedly connected with the rotating shaft, and the chain is respectively wound on the output end of the rotating motor and the gear.
As a preferable mode of the particle collecting device, a plurality of the filter passages are integrally formed.
Preferably, the first end cap is located at an end of the filter passage near the inlet of the housing, and a rotary seal is provided between the first end cap and an inner wall of the housing.
Preferably, the particle collecting device further comprises a tail collecting assembly connected to the housing for collecting particles in the gas exiting the housing through the outlet.
The invention has the beneficial effects that:
the invention provides a particle collecting device which comprises a filtering assembly, wherein the filtering assembly comprises a first end cover, a second end cover and a plurality of filtering channels which are parallel to each other, two adjacent filtering channels share one side wall and are communicated through a plurality of filtering through holes in the side wall, and the opening degree of openings corresponding to the filtering channels can be respectively adjusted by the first end cover and/or the second end cover so as to adjust the flow direction of gas in the filtering assembly, so that the gas blows down particles blocked in the filtering through holes, the problem of blocking of the filtering assembly is solved, the filtering assembly does not need to be disassembled and cleaned, the operation is convenient, and the effect of cleaning the particles is good.
Drawings
FIG. 1 is a schematic diagram of a prior art particle collection apparatus;
FIG. 2 is a schematic structural diagram of a particle collecting device provided in an embodiment of the present invention;
FIG. 3 is a schematic structural view of a first end cap provided by an embodiment of the invention;
FIG. 4 is a schematic structural view of a second end cap provided by an embodiment of the invention;
FIG. 5 is a first schematic view of the flow of gas in the filter channel according to an embodiment of the present invention;
FIG. 6 is a second schematic view of the flow of gas in the filter passage provided by the embodiment of the present invention;
FIG. 7 is a third schematic view of the flow of gas in the filter passage provided by the embodiment of the present invention.
In the figure:
1' -a filtration channel; 11' -filtration through holes;
1-a filtration channel; 11-filtration through holes;
2-a first end cap; 3-a second end cap; 4-adjustment of the area; 5-a shell; 6-a rotating shaft;
71-a rotating electrical machine; 72-a chain; 73-gears.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2 to 7, the present embodiment provides a particle collecting apparatus, which includes a housing 5, an inlet and an outlet are provided on the housing 5, a filtering assembly is provided in the housing 5, the filtering assembly is configured to filter gas entering the housing 5 from the inlet, the filtering assembly includes a first end cap 2, a second end cap 3 and a plurality of mutually parallel filtering channels 1, openings are provided at two ends of each filtering channel 1, two adjacent filtering channels 1 share a side wall and are communicated with each other through the plurality of filtering channels 1 on the side wall, the first end cap 2 and the second end cap 3 are respectively located at two ends of the plurality of filtering channels 1, the first end cap 2 and/or the second end cap 3 can respectively adjust the opening degree of the openings corresponding to the plurality of filtering channels 1, so as to adjust the flow direction of gas in the filtering assembly, so that the gas can blow off particles blocked on the filtering through holes 11, the problem of filter assembly's jam is solved, need not to dismantle the washing to filter assembly, convenient operation, and the effectual of clearance particulate matter. In addition, the particle collecting device can be suitable for treating the tail gas of a gasoline engine and can also be suitable for treating the tail gas of a diesel engine, and the application range is wide.
Preferably, as shown in fig. 3 to 5, a plurality of adjustment regions 4 are provided on each of the first end cap 2 and the second end cap 3, the plurality of adjustment regions 4 are sequentially arranged along the circumferential direction of the housing 5, two adjacent adjustment regions 4 have two states of ventilation and closing, respectively, and the first end cap 2 and/or the second end cap 3 can rotate around the central axis of the housing 5. When the first end cover 2 and/or the second end cover 3 rotate, the adjusting areas 4 with different states sequentially pass through the same filtering channel 1, so that the opening of the filtering channel 1 is switched between two states of ventilation and sealing, and as the filtering channel 1 is provided with two openings and a plurality of filtering through holes 11, the ventilation and sealing states of the two openings are changed, the gas flow direction in the filtering channel 1 is changed along with the change of the ventilation and sealing states of the two openings, and particulate matters blocked on one side of the filtering through holes 11 or in the filtering through holes 11 can be blown down. Of course, the arrangement of the filter assembly is not limited to this, in other embodiments, the first end cap 2 and the second end cap 3 may be kept stationary, and the plurality of filter passages 1 may rotate around the central axis of the housing 5 at the same time to adjust the opening degree of the openings at the two ends of the corresponding filter passages 1, which may be set according to actual cleaning needs, and this embodiment does not limit this.
It is understood that the adjustment of the gas flow direction may include flowing the gas in the opposite direction, as shown in fig. 5 and 6, or flowing the gas directly from one end of the filter channel 1 and out from the other end of the filter channel 1, as shown in fig. 7, and may be set according to the actual cleaning requirement, which is not limited in this embodiment.
Preferably, as shown in fig. 3 and 4, the sizes of the plurality of adjustment regions 4 are the same, and the plurality of adjustment regions 4 can be directly opposite to the corresponding openings of the plurality of filtering channels 1 one by one, so that when the first end cap 2 and/or the second end cap 3 rotate, the opening degrees of the corresponding openings of the plurality of filtering channels 1 can be adjusted simultaneously, thereby ensuring that the wind direction in each filtering channel 1 changes, avoiding that the particles blocked at the filtering through holes 11 in part of the filtering channels 1 are difficult to clean, and improving the cleaning effect and the cleaning efficiency of the filtering component. It will be appreciated that the cross-sectional shape of the plurality of filter passages 1 as a whole is identical to the cross-sectional shape of the first end cap 1.
Wherein the plurality of conditioning zones 4 form a conditioning zone group and the plurality of filter channels 1 form a filter channel group.
Further, the quantity of filtering channel group is a plurality of, and a plurality of filtering channel group arrange in order along the radial direction of casing 5, can increase the surface area of filtering channel 1's lateral wall to increase filtering channel 1's filter area, improve this particulate matter collection device's filter effect. It can be understood that the number of the adjusting area groups is also multiple, so that when the first end cap 2 and/or the second end cap 3 are rotated, the opening degree of the opening corresponding to each filtering channel 1 can be adjusted, the gas flow direction in each filtering channel 1 is changed, and the cleaning effect of the filtering assembly is ensured.
Preferably, the first end cap 2 and the second end cap 3 can rotate synchronously, and the two adjusting regions 4 corresponding to the first end cap 2 and the second end cap 3 respectively have two states of ventilation and closing, so that when the first end cap 2 and the second end cap 3 rotate, the opening states of the openings at the two ends of each adjusting channel can be adjusted simultaneously, the gas flow direction in the adjusting channels is changed into a state opposite to the gas flow direction before adjustment, and the cleaning effect on particles blocked on the filtering through holes 11 is good.
Specifically, as shown in fig. 2, the particle collecting device further includes a rotation driving assembly and a rotating shaft 6, the rotating shaft 6 is fixedly connected to the first end cap 2 and the second end cap 3, respectively, and an output end of the rotation driving assembly is connected to the rotating shaft 6 to drive the first end cap 2 and the second end cap 3 to rotate synchronously. Of course, the manner of implementing the synchronous rotation of the first end cap 2 and the second end cap 3 is not limited to this, and other structures may also be adopted to implement the synchronous rotation of the first end cap 2 and the second end cap 3, which is not limited in this embodiment.
Exemplarily, the rotation driving assembly includes a rotating motor 71, a chain 72 and a gear 73, the gear 73 is coaxially disposed and fixedly connected with the rotating shaft 6, the chain 72 is respectively wound on the output end of the rotating motor 71 and the gear 73, and the rotating motor 71 can drive the chain 72 to drive the gear 73 to rotate, so as to drive the rotating shaft 6 to rotate, thereby realizing the synchronous rotation of the first end cap 2 and the second end cap 3. Of course, the arrangement of the rotation driving assembly is not limited to this, as long as the rotation shaft 6 can be driven to drive the first end cap 2 and the second end cap 3 to rotate, which is not limited in this embodiment.
In this embodiment, the first end cap 2 is located at the end of the filter channel 1 near the inlet of the housing 5.
Preferably, a rotary sealing member is arranged between the first end cover 2 and the inner wall of the housing 5, so that the gas entering the housing 5 from the inlet of the housing 5 can enter the filtering channel 1 from the first end cover 2 completely, and the effect of the particle collecting device on collecting particles in the gas is ensured. The present embodiment is not limited to the kind of the rotary seal member as long as the rotary seal of the first end cap 2 and the inner wall of the housing 5 can be achieved.
Preferably, the plurality of filter passages 1 are of an integrally formed structure, which can improve the processing efficiency and the assembly efficiency of the particle collecting device.
Preferably, the particle collecting device further comprises a tail collecting assembly, the tail collecting assembly is connected with the outlet of the shell 5, the tail collecting assembly is configured to collect the particles in the gas flowing out of the outlet, and the direct discharge of the cleaned particles is avoided, so that the influence on the environment and the human health is avoided.
In the description of the present specification, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 embodiment and simplifying the description, and do not indicate or imply that the device or structure referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, cannot 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. Wherein the terms "first position" and "second position" are two different positions.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A particle collection apparatus, comprising a housing (5), an inlet and an outlet provided on the housing (5), a filter assembly provided in the housing (5) and configured to filter gas entering the housing (5) from the inlet, the filter assembly comprising:
the filter device comprises a plurality of mutually parallel filter channels (1), wherein openings are formed in two ends of each filter channel (1), and two adjacent filter channels (1) share one side wall and are communicated through a plurality of filter through holes (11) in the side wall;
the first end cover (2) and the second end cover (3) are respectively located at two ends of the filtering channels (1), and the opening degree of the openings corresponding to the filtering channels (1) can be respectively adjusted by the first end cover (2) and/or the second end cover (3) so as to adjust the flowing direction of gas in the filtering component.
2. The particle collecting device according to claim 1, wherein a plurality of adjusting regions (4) are arranged on each of the first end cover (2) and the second end cover (3), the adjusting regions (4) are sequentially arranged along the circumferential direction of the housing (5), two adjacent adjusting regions (4) respectively have an air-permeable state and a closed state, and the first end cover (2) and/or the second end cover (3) can rotate around the central axis of the housing (5).
3. A particle collecting device according to claim 2, wherein a plurality of said adjustment regions (4) are of the same size, and a plurality of said adjustment regions (4) are capable of facing a plurality of corresponding openings of said filter channels (1) one to one, a plurality of said filter channels (1) forming a filter channel group.
4. A particle collecting device according to claim 3, wherein said filter passage group is plural in number, and plural filter passage groups are arranged in series in a radial direction of said housing (5).
5. A particle collecting device according to claim 3, characterized in that said first end cap (2) and said second end cap (3) are rotatable in synchronism and that said adjustment regions (4) of said first end cap (2) and said second end cap (3) in correspondence with each other have two conditions, respectively an open and a closed condition.
6. The particle collecting device according to claim 5, further comprising a rotation driving assembly and a rotation shaft (6), wherein the rotation shaft (6) is fixedly connected with the first end cover (2) and the second end cover (3), respectively, and the output end of the rotation driving assembly is fixedly connected with the rotation shaft (6).
7. The particle collecting device as claimed in claim 6, wherein the rotary driving assembly comprises a rotary motor (71), a chain (72) and a gear (73), the gear (73) is sleeved on the rotating shaft (6) and is fixedly connected with the rotating shaft (6), and the chain (72) is wound on the output end of the rotary motor (71) and the gear (73) respectively.
8. The particle collection device of claim 1 wherein a plurality of said filter channels (1) are integrally formed.
9. A particle collecting device according to claim 1, wherein the first end cap (2) is located at the end of the filter channel (1) near the inlet of the housing (5), and a rotary seal is provided between the first end cap (2) and the inner wall of the housing (5).
10. The particle collection apparatus of any one of claims 1-9, further comprising a tail collection assembly coupled to the outlet, the tail collection assembly configured to collect particulate matter from the gas exiting the outlet.
CN202111119869.4A 2021-09-24 2021-09-24 Particulate matter collection device Active CN113882935B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117088466A (en) * 2023-10-17 2023-11-21 苏州新能环境技术股份有限公司 Photovoltaic wastewater treatment device

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JPH05179929A (en) * 1991-12-26 1993-07-20 Isuzu Motors Ltd Particulate eliminator
EP1316687A1 (en) * 2001-12-03 2003-06-04 Delphi Technologies, Inc. Particulate filter for diesel engines
US20040226290A1 (en) * 2003-05-15 2004-11-18 Bailey John M. Wall flow particulate trap system
US20040261374A1 (en) * 2002-04-12 2004-12-30 Bailey John M. Apparatus and method for filtering particulate and reducing nox emissions
US20100269488A1 (en) * 2003-08-01 2010-10-28 Bailey John M Particulate trap system and method
US20130145747A1 (en) * 2011-12-07 2013-06-13 Illinois Valley Holding Company Particulate trap regeneration
CN108071448A (en) * 2016-11-10 2018-05-25 福特环球技术公司 For the grain catcher and its renovation process of vehicle exhaust system
CN111335984A (en) * 2020-04-21 2020-06-26 大连海事大学 Compact diesel engine pollutant discharge countercurrent catalytic conversion co-processing device and system

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Publication number Priority date Publication date Assignee Title
JPH05179929A (en) * 1991-12-26 1993-07-20 Isuzu Motors Ltd Particulate eliminator
EP1316687A1 (en) * 2001-12-03 2003-06-04 Delphi Technologies, Inc. Particulate filter for diesel engines
US20040261374A1 (en) * 2002-04-12 2004-12-30 Bailey John M. Apparatus and method for filtering particulate and reducing nox emissions
US20040226290A1 (en) * 2003-05-15 2004-11-18 Bailey John M. Wall flow particulate trap system
US20100269488A1 (en) * 2003-08-01 2010-10-28 Bailey John M Particulate trap system and method
US20130145747A1 (en) * 2011-12-07 2013-06-13 Illinois Valley Holding Company Particulate trap regeneration
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN117088466A (en) * 2023-10-17 2023-11-21 苏州新能环境技术股份有限公司 Photovoltaic wastewater treatment device
CN117088466B (en) * 2023-10-17 2024-01-26 苏州新能环境技术股份有限公司 Photovoltaic wastewater treatment device

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