CN214787616U - Combined type diesel particle electric trapping apparatus - Google Patents
Combined type diesel particle electric trapping apparatus Download PDFInfo
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- CN214787616U CN214787616U CN202120342617.7U CN202120342617U CN214787616U CN 214787616 U CN214787616 U CN 214787616U CN 202120342617 U CN202120342617 U CN 202120342617U CN 214787616 U CN214787616 U CN 214787616U
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Abstract
The utility model discloses a combined type diesel particle electric trapping device, which comprises an outer barrel, wherein the outer barrel is coaxially provided with an inner barrel, the inner ends of the outer barrel are sealed, an electrode rod is installed in the outer barrel and the inner barrel along the coaxial line in a penetrating way, and the two ends of the electrode rod are fixed on the sealing plates at the two ends of the outer barrel through insulator insulation; the left end of the inner cylinder body and the inner wall of the outer cylinder body are hermetically fixed through a separation plate, and the middle part of the separation plate is provided with a separation net; a charged area is formed in the space between the inner cylinder and the electrode rod; a gap between the inner cylinder and the outer cylinder is filled with a carrier for dust collection 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 utility model discloses increase the backward flow region of a tape adsorbable type carrier on electrostatic absorption's basis to make it become the only passageway of air current, structural design is novel, and it is convenient to dismantle the maintenance, increases dust collecting area, extension clearance cycle, improvement entrapment efficiency.
Description
The technical field is as follows:
the utility model relates to a tail gas aftertreatment field especially relates to a combined type diesel oil granule electricity trapping apparatus.
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, it is necessary to design a composite electric diesel particle trap device which can improve the adsorption efficiency of the product, prolong the cleaning period and facilitate the disassembly and cleaning.
The utility model has the following contents:
in order to remedy the prior art problem, the utility model aims at providing a combined type diesel granule electric trapping apparatus increases the backward flow region of a tape adsorbable type carrier on electrostatic absorption's basis to make it become the only passageway of air current, structural design is novel, dismantles and maintains the convenience, increases the area of gathering dust, can not take place to block up, prolong clearance cycle, improvement entrapment efficiency.
The technical scheme of the utility model as follows:
the utility model provides a combined type diesel oil granule electricity trapping apparatus, includes outer barrel, its characterized in that: the outer cylinder is coaxially provided with an inner cylinder, two ends in the outer cylinder are sealed, 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 separation plate, and the middle part of the separation plate is provided with a separation net which is matched with the left end of the inner cylinder body and is made of non-conductive materials;
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 a dust collecting area is formed by filling a carrier for dust collection in the gap;
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, outlet duct and collection dirt district intercommunication.
The composite diesel particle electric trapping device is characterized in that: and a plurality of electrodes are distributed on the outer wall of the electrode rod and are arranged along the radial direction of the electrode rod.
The composite diesel particle electric trapping device is characterized in that: the inner 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 inserted the inner barrel, the fretwork was provided with a plurality of interval distribution's wind cavity on the annular slab, the annular slab installed outer wall and outer barrel inner wall contact.
The combined type diesel particle electric trapping device 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 combined type diesel particle electric trapping device is characterized in that: the adsorbable carrier is a carrier with porosity, such as filamentous braided fabric, fiber cloth and ceramic.
The combined type diesel particle electric trapping device is characterized in that: the air outlet pipe is arranged close to the isolation plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses at structural design ingenious, divide into charged area and dust collection area with whole device, increase the backward flow region of a tape adsorbable type carrier on electrostatic absorption's basis to make it become the only passageway of air current, improved capture efficiency.
2. The utility model fills the gap between the inner cylinder and the outer cylinder with the adsorptive carrier, which can increase the dust collecting area of the product and prolong the cleaning period of the product;
3. the utility model discloses the adsorbable carrier in the dust-collecting area makes the air current after the electric field force to enter this region, and the arrangement of full length has increased the collision probability after the particulate matter passes through and is adsorbed, improves the entrapment efficiency of product;
4. the utility model discloses the interior barrel left end is fixed, and the right-hand member supports with support piece, and the shrouding design of dismantling is opened at the outer barrel both ends of cooperation simultaneously, can freely dismantle and manual clearance in certain cycle, and manufacturing process is simple, the cost of using manpower sparingly.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
A combined type diesel particle electric trapping device 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, an electrode rod 3 is installed in the outer cylinder 1 and the inner cylinder 2 in a penetrating mode along a coaxial line, and two ends of the electrode rod 3 are fixed on two end sealing plates 5 of the outer cylinder in an insulating mode through insulators 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, and the middle part of the partition plate 6 is provided with a partition net 12 which is matched with the left end of the inner cylinder 2 and is made of a non-conductive material, so that the uniformity of granularity of air entering the dust collection area 8 along with air flow can be effectively ensured, other large-particle impurities can be filtered, and the load of the dust collection area is reduced;
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 a dust collecting area 8 is formed by filling a carrier for dust collection in the gap;
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.
A plurality of electrodes 3-1 are distributed on the outer wall of the electrode rod 3, the electrodes 3-1 are arranged along the radial direction of the electrode rod 3, and the electrodes 3-1 can be arranged at equal intervals or non-equal intervals.
A supporting piece 11 is arranged between the right end of the inner barrel 2 and the inner wall of the outer barrel 1, the supporting 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 air holes 11-3 distributed at intervals are hollowed in the annular plate 11-2, and the air holes 11-3 are generally fan-shaped, so that the air flow is prevented from blocking after flowing back to a charged area; 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.
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 (6)
1. The utility model provides a combined type diesel oil granule electricity trapping apparatus, includes outer barrel, its characterized in that: the outer cylinder is coaxially provided with an inner cylinder, two ends in the outer cylinder are sealed, 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 separation plate, and the middle part of the separation plate is provided with a separation net which is matched with the left end of the inner cylinder body and is made of non-conductive materials;
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 a dust collecting area is formed by filling a carrier for dust collection in the gap;
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, outlet duct and collection dirt district intercommunication.
2. The composite diesel particulate electrical collection device of claim 1, wherein: and a plurality of electrodes are distributed on the outer wall of the electrode rod and are arranged along the radial direction of the electrode rod.
3. The composite diesel particulate electrical collection device of claim 1, wherein: the inner 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 inserted the inner barrel, the fretwork was provided with a plurality of interval distribution's wind cavity on the annular slab, the annular slab installed outer wall and outer barrel inner wall contact.
4. The composite electrical diesel particulate trap as defined in claim 1, 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.
5. The composite electrical diesel particulate trap as defined in claim 1, wherein: the carrier for dust collection is an adsorbable carrier, and the adsorbable carrier is a carrier with porosity, such as filamentous braided fabric, fiber cloth and ceramic.
6. The composite electrical diesel particulate trap as defined 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 |
|---|---|---|---|
| CN202120342617.7U CN214787616U (en) | 2021-02-04 | 2021-02-04 | Combined type diesel particle electric trapping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120342617.7U CN214787616U (en) | 2021-02-04 | 2021-02-04 | Combined type diesel particle electric trapping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787616U true CN214787616U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120342617.7U Active CN214787616U (en) | 2021-02-04 | 2021-02-04 | Combined type diesel particle electric trapping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214787616U (en) |
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2021
- 2021-02-04 CN CN202120342617.7U patent/CN214787616U/en active Active
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