CN112922695A - Combined type diesel particle electric catcher - Google Patents
Combined type diesel particle electric catcher Download PDFInfo
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- CN112922695A CN112922695A CN202110157211.6A CN202110157211A CN112922695A CN 112922695 A CN112922695 A CN 112922695A CN 202110157211 A CN202110157211 A CN 202110157211A CN 112922695 A CN112922695 A CN 112922695A
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- outer cylinder
- cylinder body
- area
- wall
- composite
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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
- F01N3/01—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust by means of electric or electrostatic separators
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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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
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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
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electrostatic Separation (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The invention discloses a composite electric trap for diesel particles, which comprises an outer cylinder, wherein the outer cylinder is coaxially provided with an inner cylinder, two ends in the outer cylinder are closed, the outer cylinder and the inner cylinder are provided with an electrode rod in a penetrating way along a coaxial line, and two ends of the electrode rod are fixed on two end sealing plates of the outer cylinder in an insulating way through an insulator; the left end of the inner cylinder body and the inner wall of the outer cylinder body are hermetically fixed through a partition plate; a charged area is formed in the space between the inner cylinder and the electrode rod; a gap is arranged between the inner cylinder and the outer cylinder, and an adsorbable carrier is filled in the gap to form a dust collection area; the outer wall of the outer cylinder body is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe is communicated with the inner cavity of the outer cylinder body and is positioned outside the air inlet end of the charged area, and the air outlet pipe is communicated with the dust collecting area. The invention adds a backflow area with adsorbable carriers on the basis of electrostatic adsorption, and makes the backflow area become a unique channel of airflow, has novel structural design and convenient disassembly and maintenance, increases dust collection area, prolongs cleaning period and improves capture efficiency.
Description
The technical field is as follows:
the invention relates to the field of tail gas aftertreatment, in particular to a composite electric trap for diesel particles.
Background art:
entering the six-state emission stage of road vehicles and the four-state emission stage of non-road vehicles, the whole vehicle post-treatment system inevitably needs to use DPF/GPF products as the best treatment means of PM particles. However, due to the structure of DPF/GPF, various ash, metal chips, sulfate, and other substances generated after active and passive regeneration cannot be discharged from the wall-flow structure adsorbable DPF/GPF support, which gradually increases the back pressure of the exhaust system, and finally causes the pressure of the exhaust system to be too high, and frequent shutdown is required to clean the back-blowing DPF/GPF adsorbable DPF support, so that the DPF/GPF adsorbable DPF/GPF support has a capture capacity improved again, and the accumulated back pressure of the DPF/GPF adsorbable DPF support is reduced.
As the accumulated backpressure of the DPF/GPF becomes higher and higher, the overall engine performance is negatively affected or even directly damaged; the shutdown cleaning of the DPF/GPF not only requires a specific cleaning tool but also a long maintenance time for a single cleaning. Diesel engine machinery DPF tail gas particulate matter processing apparatus, the easy emergence of DPF structure is blockked up, and then leads to the engine to draw the jar damage.
The existing diesel exhaust electrostatic adsorption product in the current market does not have practicability due to the structural design, and the adsorption efficiency of the electrostatic adsorption product is restricted by the large dust collection area, so that the electrostatic adsorption product is used as a product in the field of vehicle-mounted exhaust purification or household air purification, the overall dimension is restricted, and the product which is sleeved under the condition that the overall dimension is limited and plays the role of the internal space to the maximum extent is urgently needed to be designed and researched. For example, in a tail gas purifier of patent No. CN201921149267.1, the dust collecting electrode is also a wire mesh type mechanism, but the wire mesh is not the only channel of the gas flow, and since the tail gas flow velocity is too high and most of the charged particles pass through the electric field area and then directly go out and are not ready to be adsorbed, the electric adsorption efficiency is reduced; in addition, when the concentration of the particles is too high, the surface of the wire mesh close to the tip of the corona electrode is full after a short time, and the same result is also caused; in addition to the above problems, it is also the fact that the wire mesh is not the only path for the air flow, which results in a very small actual dust collection area for the product and a severe reduction in the cleaning cycle.
Therefore, a composite diesel particle electric trap which can improve the adsorption efficiency of products, prolong the cleaning period and facilitate disassembly and cleaning is needed to be designed.
The invention content is as follows:
in order to solve the problems in the prior art, the invention aims to provide a composite electric collector for diesel particles, which is characterized in that a backflow area with an adsorbable carrier is added on the basis of electrostatic adsorption and becomes a unique channel of airflow, the structural design is novel, the disassembly and the maintenance are convenient, the dust collection area is increased, the blockage is avoided, the cleaning period is prolonged, and the collection efficiency is improved.
The technical scheme of the invention is as follows:
a combined type diesel particle electric catcher comprises an outer cylinder body, and is characterized in that: the outer cylinder is coaxially provided with an inner cylinder, two ends in the outer cylinder are closed, the outer cylinder and the inner cylinder are provided with an electrode rod in a penetrating way along a coaxial line, and two ends of the electrode rod are fixed at two ends of the outer cylinder in an insulating way through an insulator;
the left end of the inner cylinder body and the inner wall of the outer cylinder body are hermetically fixed through a partition plate;
a charged area is formed in the space between the inner cylinder and the electrode rod;
a gap is arranged between the inner cylinder and the outer cylinder, and an adsorbable carrier is filled in the gap to form a dust collection area;
the outer barrel outer wall is equipped with intake pipe, outlet duct, and the intake pipe just is located the charged area inlet end outside with outer barrel inner chamber UNICOM, the outlet duct communicates with the dust collecting area.
The composite diesel particle electric catcher is characterized in that: and a DOC is arranged between the air inlet pipe and the outer cylinder body, is a diesel oxidation type catalyst and is of a straight-through honeycomb or grid structure of metal, ceramic carriers and the like.
The composite diesel particle electric catcher is characterized in that: the DOC is arranged at the air inlet end of the inner cylinder body, is a diesel oxidation type catalyst and is of a straight-through honeycomb or grid-shaped structure such as a metal or ceramic carrier.
The composite diesel particle electric catcher is characterized in that: the electrode rod adopts a screw rod, and the screw rod is screwed on the sealing plates arranged at the two ends of the outer cylinder body.
The composite diesel particle electric catcher is characterized in that: the outer wall of the screw is distributed with a plurality of corona electrodes which are arranged along the radial direction of the screw.
The composite diesel particle electric catcher is characterized in that: interior barrel right-hand member and urceolus inner wall between install support piece, support piece includes an embedding section of thick bamboo, annular slab, during an embedding section of thick bamboo inserts interior barrel, the fretwork was provided with a plurality of interval distribution's hole on the annular slab, the annular slab is installed outer wall and outer barrel inner wall contact.
The composite diesel particle electric catcher is characterized in that: the sealing plates are detachably connected with the end part of the outer cylinder body, and the sealing plates are arranged at the two ends of the outer cylinder body and then the inner part of the outer cylinder body forms a closed space.
The composite diesel particle electric catcher is characterized in that: the adsorbable carrier is a carrier with porosity, such as filamentous braided fabric, fiber cloth and ceramic.
The composite diesel particle electric catcher is characterized in that: the air outlet pipe is arranged close to the isolation plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has ingenious structural design, divides the whole device into a charged area and a dust collecting area, adds a backflow area with adsorbable carriers on the basis of electrostatic adsorption, and enables the backflow area to become a unique channel of airflow, thereby improving the trapping efficiency.
2. The adsorbable carrier is filled in the gap between the inner cylinder and the outer cylinder, so that the dust collection area of the product can be increased, and the cleaning period of the product is prolonged;
3. the adsorbable carrier in the dust collection area enables the air flow passing through the electric field to forcibly enter the area, and the arrangement mode of the whole length increases the collision probability of the particles after passing through the area to be adsorbed, thereby improving the trapping efficiency of the product;
4. the left end of the inner cylinder body is fixed, the right end of the inner cylinder body is supported by the supporting piece, and meanwhile, the sealing plate design of disassembling the two ends of the outer cylinder body is matched, so that the inner cylinder body can be freely disassembled and manually cleaned in a certain period, the manufacturing process is simple, and the labor cost is saved;
5. according to the invention, the DOC is arranged between the air inlet pipe and the outer cylinder body or arranged on the outer cylinder body, the DOC is a diesel oxidation type catalytic converter and has a honeycomb or grid-shaped through structure, airflow can achieve the effects of stabilizing flow and uniformly distributing after passing, and can oxidize nitric oxide gas and hydrocarbon in tail gas to remove peculiar smell, meanwhile, a large amount of nitrogen dioxide generated after nitric oxide oxidation further reacts with carbon particles trapped in the electric trap, and the carbon particles are oxidized into carbon dioxide gas, so that the effect of passive regeneration is achieved.
Description of the drawings:
FIG. 1 is a schematic diagram of the present invention without a DOC.
FIG. 2 is a schematic view of the DOC of the present invention installed between the intake pipe and the outer cylinder.
FIG. 3 is a schematic view of the DOC of the present invention mounted on the outer cylinder.
Fig. 4 is a schematic structural diagram of the supporting member of the present invention.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The first embodiment is as follows:
a composite electric trap for diesel particles comprises an outer cylinder 1, wherein the outer cylinder 1 is coaxially provided with an inner cylinder 2, two ends in the outer cylinder 1 are closed, the outer cylinder 1 and the inner cylinder 2 are coaxially provided with an electrode rod 3 in a penetrating manner, and two ends of the electrode rod 3 are fixed at two ends of the outer cylinder in an insulating manner through an insulator 4;
the left end of the inner cylinder 2 and the inner wall of the outer cylinder 1 are hermetically fixed through a partition plate 6;
a charged area 7 is formed in the space between the inner cylinder 2 and the electrode rod 3;
a gap is arranged between the inner cylinder body 2 and the outer cylinder body 1, and an adsorbable carrier is filled in the gap to form a dust collection area 8;
the outer wall of the outer cylinder body 1 is provided with an air inlet pipe 9 and an air outlet pipe 10, the air inlet pipe 9 is communicated with the inner cavity of the outer cylinder body 1 and is positioned outside the air inlet end of the charged area 7, and the air outlet pipe 10 is communicated with the dust collecting area.
The electrode rod 3 adopts a screw rod, the screw rod is screwed and installed on the sealing plates 5 at the two ends of the outer barrel body, the screw rod is adopted, the position of the electrode rod is conveniently and accurately positioned, and the operation is convenient and rapid.
A plurality of corona electrodes 3-1 are distributed on the outer wall of the electrode rod 3, the corona electrodes 3-1 are radially arranged along the electrode rod 3, and the electrodes 3-1 can be arranged at equal intervals or non-equal intervals.
A support piece 11 is arranged between the right end of the inner barrel 2 and the inner wall of the outer barrel 1, the support piece 11 comprises an embedded barrel 11-1 and an annular plate 11-2, the embedded barrel 11-1 is inserted into the inner barrel 2, a plurality of holes 11-3 distributed at intervals are hollowed in the annular plate 11-2, and the holes 11-3 are generally fan-shaped, so that the airflow is enabled to flow back and then enter a charged area without being blocked; the annular plate 11-2 is provided with an outer wall which is contacted with the inner wall of the outer cylinder body 1.
Shrouding 5 is connected for dismantling with 1 tip of outer barrel, and inside airtight space that constitutes behind the 1 both ends installation shrouding of outer barrel, and 2 left ends of interior barrel are fixed, and the right-hand member supports with support piece 11, can freely dismantle and manual clearance in certain cycle, and manufacturing process is simple, the cost of using manpower sparingly.
The adsorbable carrier is a carrier with porosity of filamentous braided fabric, fiber cloth and ceramic, and can also be any object with certain porosity.
The setting position of outlet duct 10 is close to division board 6, and it is better to be close to apart from division board 6 more, can guarantee that engine exhaust pipe exhaust air current gets into the back from intake pipe 9, escapes from outlet duct 10 after the whole journey in dust collecting zone, increases integrated absorption route, has also increased the collision probability behind the adsorbable carrier of particulate matter through dust collecting zone simultaneously and is adsorbed, improves the entrapment efficiency of product.
Example two:
on the premise that a basic structure of the embodiment is not changed, a DOC 12 is arranged between the air inlet pipe 9 and the outer cylinder 1, the DOC 12 is a diesel oxidation type catalyst and is of a straight-through honeycomb or grid structure of metal, ceramic carrier and the like, the SOF content in particulate emission is mainly reduced, the emission of PM is reduced, and HC and CO in exhaust gas can be effectively reduced.
Further, the DOC of the present invention may also be replaced by a particulate filter, or the DOC may be used in combination with a particulate filter.
Example three:
on the premise that a basic structure is not changed, the DOC 12 is installed on the outer cylinder body, the DOC is close to the air inlet end of the inner cylinder body and is positioned on the right side of the air inlet pipe, the fact that all air enters the charged area after passing through the DOC 12 is guaranteed, the DOC 12 is a diesel oxidation type catalytic converter and is of a straight-through honeycomb or grid-shaped structure such as metal and ceramic carriers, the content of SOF in particulate emission is mainly reduced, the emission of PM is reduced, and meanwhile HC and CO in exhaust gas can be effectively reduced.
In addition, can also increase particulate filter (not seen in the drawing) between DOC and intake pipe, the air current gets into the DOC after particulate filter, finally gets into the charged zone, and this kind of processing mode can filter some particulate matters on the one hand, reduces the load in dust collection district, and the collision probability behind the tiny particle process dust collection district adsorbable carrier in the air current after the filtration is adsorbed, improves the entrapment efficiency of product.
Finally, can also add spiral guide plate (not seen in the attached drawing) on outer barrel inner wall or interior barrel outer wall, this guide plate can let the air current that enters into in the integrated area pass through the dust-collecting zone along the guide plate, further increases the air current route, effectively improves in the air current particulate matter adsorbable carrier and collides with it, improves the efficiency of complementing of product.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A combined type diesel particle electric catcher comprises an outer cylinder body, and is characterized in that: the outer cylinder is coaxially provided with an inner cylinder, two ends in the outer cylinder are closed, the outer cylinder and the inner cylinder are provided with an electrode rod in a penetrating way along a coaxial line, and two ends of the electrode rod are fixed at two ends of the outer cylinder in an insulating way through an insulator;
the left end of the inner cylinder body and the inner wall of the outer cylinder body are hermetically fixed through a partition plate;
a charged area is formed in the space between the inner cylinder and the electrode rod;
a gap is arranged between the inner cylinder and the outer cylinder, and an adsorbable carrier is filled in the gap to form a dust collection area;
the outer barrel outer wall is equipped with intake pipe, outlet duct, and the intake pipe just is located the charged area inlet end outside with outer barrel inner chamber UNICOM, the outlet duct communicates with the dust collecting area.
2. The composite diesel particulate electrical trap as set forth in claim 1, wherein: and a DOC is arranged between the air inlet pipe and the outer cylinder body, is a diesel oxidation type catalyst and is of a straight-through honeycomb or grid structure of metal, ceramic carriers and the like.
3. The composite diesel particulate electrical trap as set forth in claim 1, wherein: the DOC is arranged at the air inlet end of the inner cylinder body, is a diesel oxidation type catalyst and is of a straight-through honeycomb or grid-shaped structure such as a metal or ceramic carrier.
4. The composite diesel particulate electrical trap as set forth in claim 1, wherein: the electrode rod adopts a screw rod, and the screw rod is screwed on the sealing plates arranged at the two ends of the outer cylinder body.
5. The composite diesel particulate electrical trap as set forth in claim 2, wherein: the outer wall of the screw is distributed with a plurality of corona electrodes which are arranged along the radial direction of the screw.
6. The composite diesel particulate electrical trap as set forth in claim 1, wherein: interior barrel right-hand member and urceolus inner wall between install support piece, support piece includes an embedding section of thick bamboo, annular slab, during an embedding section of thick bamboo inserts interior barrel, the fretwork was provided with a plurality of interval distribution's hole on the annular slab, the annular slab is installed outer wall and outer barrel inner wall contact.
7. The composite electrical diesel particle trap as set forth in claim 4, wherein: the sealing plates are detachably connected with the end part of the outer cylinder body, and the sealing plates are arranged at the two ends of the outer cylinder body and then the inner part of the outer cylinder body forms a closed space.
8. The composite electrical diesel particulate trap as set forth in claim 1, wherein: the adsorbable carrier is a carrier with porosity, such as filamentous braided fabric, fiber cloth and ceramic.
9. The composite electrical diesel particulate trap as set forth in claim 1, wherein: the air outlet pipe is arranged close to the isolation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157211.6A CN112922695A (en) | 2021-02-04 | 2021-02-04 | Combined type diesel particle electric catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157211.6A CN112922695A (en) | 2021-02-04 | 2021-02-04 | Combined type diesel particle electric catcher |
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| Publication Number | Publication Date |
|---|---|
| CN112922695A true CN112922695A (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110157211.6A Pending CN112922695A (en) | 2021-02-04 | 2021-02-04 | Combined type diesel particle electric catcher |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649783Y (en) * | 2003-10-15 | 2004-10-20 | 北京科洛德铨都科技有限公司 | Exhaust gas purifier for diesel engine |
| JP2009142808A (en) * | 2007-11-20 | 2009-07-02 | Mitsubishi Heavy Ind Ltd | Exhaust gas cleaner |
| CN202645615U (en) * | 2012-06-05 | 2013-01-02 | 河南力新重工科技有限公司 | Dust removing device special for coal mine |
| CN105649715A (en) * | 2016-03-22 | 2016-06-08 | 赵云峰 | Electrostatic tail gas purifying and trapping device and method |
| CN206587566U (en) * | 2017-01-11 | 2017-10-27 | 成都德力斯实业有限公司 | Gas purification post |
| CN110586324A (en) * | 2019-10-21 | 2019-12-20 | 无锡市易聚环保科技发展有限公司 | Electrostatic dust collector |
| CN210422722U (en) * | 2019-07-22 | 2020-04-28 | 苏州友蓝能源净化科技有限公司 | Exhaust gas purifier |
| CN210799090U (en) * | 2019-10-21 | 2020-06-19 | 无锡市易聚环保科技发展有限公司 | Diesel engine tail gas electrostatic precipitator |
-
2021
- 2021-02-04 CN CN202110157211.6A patent/CN112922695A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649783Y (en) * | 2003-10-15 | 2004-10-20 | 北京科洛德铨都科技有限公司 | Exhaust gas purifier for diesel engine |
| JP2009142808A (en) * | 2007-11-20 | 2009-07-02 | Mitsubishi Heavy Ind Ltd | Exhaust gas cleaner |
| CN202645615U (en) * | 2012-06-05 | 2013-01-02 | 河南力新重工科技有限公司 | Dust removing device special for coal mine |
| CN105649715A (en) * | 2016-03-22 | 2016-06-08 | 赵云峰 | Electrostatic tail gas purifying and trapping device and method |
| CN206587566U (en) * | 2017-01-11 | 2017-10-27 | 成都德力斯实业有限公司 | Gas purification post |
| CN210422722U (en) * | 2019-07-22 | 2020-04-28 | 苏州友蓝能源净化科技有限公司 | Exhaust gas purifier |
| CN110586324A (en) * | 2019-10-21 | 2019-12-20 | 无锡市易聚环保科技发展有限公司 | Electrostatic dust collector |
| CN210799090U (en) * | 2019-10-21 | 2020-06-19 | 无锡市易聚环保科技发展有限公司 | Diesel engine tail gas electrostatic precipitator |
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Application publication date: 20210608 |