CN212744119U - Backflow type electrostatic adsorption particle catcher - Google Patents
Backflow type electrostatic adsorption particle catcher Download PDFInfo
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- CN212744119U CN212744119U CN202021337970.8U CN202021337970U CN212744119U CN 212744119 U CN212744119 U CN 212744119U CN 202021337970 U CN202021337970 U CN 202021337970U CN 212744119 U CN212744119 U CN 212744119U
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Abstract
The utility model discloses a backflow type electrostatic adsorption particle catcher, which comprises a first dust collecting cylinder and a second dust collecting cylinder, wherein the two dust collecting cylinder rows are connected and the tail end is sealed, the two dust collecting cylinders are communicated through a backflow port, and the left end faces of the two dust collecting cylinders are respectively provided with an air inlet pipe and an air outlet pipe; insulation supporting pieces are arranged on the outer walls of the two dust collecting cylinders close to the two ends of the two dust collecting cylinders, the high-voltage power supply wiring terminal penetrates through the dust collecting cylinders, the two ends of the high-voltage power supply wiring terminal penetrate through the insulation supporting pieces and are supported and fixed through the insulation supporting pieces, and the high-voltage power supply wiring terminal is insulated from the dust collecting cylinders and is not in contact with; corona wires are respectively connected between the high-voltage power supply binding posts at the two ends of the two dust collecting cylinders; the electrostatic adsorption air flow in the first dust collection cylinder flows back to flow through the reflux port to enter the second dust collection cylinder, and the air flow flows out of the air outlet pipe after the electrostatic adsorption of the second dust collection cylinder. The utility model is a straight-through high-voltage electrostatic adsorption technology, which ensures enough field intensity, particulate matter trapping effect and particulate matter attachment area; the electrode insulation is external, the high-voltage insulator does not need to be disassembled for maintenance, and the practicability is high.
Description
The technical field is as follows:
the utility model relates to an air purification field mainly is applied to tail gas aftertreatment field, especially relates to a backward flow formula electrostatic absorption particle trap.
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 structured DPF/GPF carrier, which gradually increases the exhaust system backpressure, eventually leads to an excessively high exhaust system pressure, and requires frequent shutdown for cleaning the back-blown DPF/GPF carrier, so that the back-blown DPF/GPF carrier has a capturing capability again, and the accumulated backpressure of the DPF/GPF carrier 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 is poor in structural design practicability, and because the adsorption efficiency of the electrostatic adsorption product is restricted by a large dust collection area, the electrostatic adsorption product is used as a product in the field of vehicle-mounted exhaust purification or household air purification, the external dimension size is restricted, so that the product which is set under the condition of limiting the external dimension and plays the internal space to the maximum extent is urgently needed to be designed and researched. Like patent No. CN201921149267.1 an exhaust purifier, single corona wire can cause the inside electric field intensity of barrel not enough and influence the particulate matter entrapment effect, and the design of product single air current channel in addition wants to exert electrostatic absorption's high efficiency, must prolong the product size, can lead to the product overlength like this, seriously influences installation and marketing.
Therefore, it is necessary to design a diesel particle electrostatic adsorption product which can be cleaned without disassembling the high-voltage insulator, multiple groups of corona pins (to enhance the electric field strength), prolong the trapping time and is convenient to disassemble, so as to solve the problems of overlong length and no practicability of the current similar products.
The utility model has the following contents:
in order to overcome above background technical problem, the utility model aims at providing a backward flow formula electrostatic absorption particle trap, structural design is novel, dismantles and maintains the convenience, increases dust collecting area, extension clearance cycle, in addition the utility model discloses the structure can be used as two district electrostatic absorption products.
The technical scheme of the utility model as follows:
the backflow type electrostatic adsorption particle catcher is characterized by comprising a first dust collecting cylinder and a second dust collecting cylinder, wherein the first dust collecting cylinder and the second dust collecting cylinder are connected in parallel and the tail ends of the first dust collecting cylinder and the second dust collecting cylinder are closed;
the high-voltage power supply wiring terminal penetrates through the dust collection barrel, two ends of the high-voltage power supply wiring terminal penetrate through the insulating support piece and are supported and fixed through the insulating support piece, and the high-voltage power supply wiring terminal is insulated from the dust collection barrel and is not in contact with the dust collection barrel;
corona wires are respectively connected between the high-voltage power supply binding posts at the two ends of the first dust collecting cylinder and between the high-voltage power supply binding posts at the two ends of the second dust collecting cylinder, and an external high-voltage power supply is electrically connected between the high-voltage power supply binding post of the first dust collecting cylinder, which is close to the air inlet pipe, and the high-voltage power supply binding post of the second dust collecting cylinder, which is close to the air outlet pipe;
the electrostatic adsorption air flow in the first dust collection cylinder flows back to flow through the backflow port to enter the second dust collection cylinder, and the air flow flows out of the air outlet pipe after the electrostatic adsorption of the second dust collection cylinder.
The backflow type electrostatic adsorption particle catcher is characterized in that the number of the insulating support pieces is multiple, the insulating support pieces are processed into a barrel shape by adopting ceramics, inner holes of the insulating support pieces are connected with the outer wall of a high-voltage power supply wiring terminal, and the outer wall of each insulating support piece is fixed with the wall of the dust collection barrel.
The backflow type electrostatic adsorption particle catcher is characterized in that dust collecting electrodes are arranged in the first dust collecting cylinder and the second dust collecting cylinder, and the dust collecting electrodes are positioned between two high-voltage power supply binding posts in the first dust collecting cylinder and between two high-voltage power supply binding posts in the second dust collecting cylinder.
The backflow type electrostatic adsorption particle catcher is characterized in that the dust collecting electrode is composed of a plurality of dust collecting pipes, the cross section of each dust collecting pipe is circular or polygonal, and a corona wire penetrates through each dust collecting pipe.
The backflow type electrostatic adsorption particle catcher is characterized in that the dust collecting pipes are fixedly supported by the supporting plates and the inner wall of the dust collecting cylinder, and gaps are formed among the dust collecting pipes.
The backflow type electrostatic adsorption particle catcher is characterized in that the corona wires are one or more of acupuncture wires, sawtooth wires and bur wires, the corona wires are connected with a high-voltage power supply wiring terminal circuit, the corona wires are insulated from a dust collection cylinder through air, and all the high-voltage circuits are at the same potential.
The utility model has the advantages that:
1. the utility model is a straight-through high-voltage electrostatic adsorption technology, the purification effect is not lower than DPF/GPF, and the flue gas containing particulate matters can not generate back pressure through the dust collecting cylinder, even if the accumulated carbon amount of the catcher reaches the maximum value, the normal operation of the whole machine provided with the post-treatment device of the equipment can not be influenced;
2. the utility model can adopt one or more corona wires, when the dust collecting pipe and the plurality of corona wires are adopted, the combined design of the plurality of corona wires and the multi-air passage type dust collecting pipe not only ensures enough field intensity and particle collecting effect, but also increases particle attaching area; in addition, the backflow channel type design increases the attachment area of the particles again, and simultaneously makes full use of the inner space of the dust collection cylinder.
4. The utility model discloses the electrode is insulating external, and structural design is novel, and the practicality is strong.
5. The utility model discloses structural design is novel, dismantles and maintains the convenience, and a first dust collection section of thick bamboo, a second dust collection section of thick bamboo UNICOM have the backward flow function, have increased dust collecting area, extension clearance cycle, can be used as two district electrostatic absorption products.
Description of the drawings:
fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic diagram of the structure viewed from the right side of the present invention.
Fig. 3 is a schematic structural view of the insulating support member of the present invention.
The specific implementation mode is as follows:
referring to the drawings, embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
the backflow type electrostatic adsorption particle catcher comprises a first dust collecting cylinder 1 and a second dust collecting cylinder 2, wherein the first dust collecting cylinder 1 and the second dust collecting cylinder 2 are connected side by side and the tail ends of the first dust collecting cylinder 1 and the second dust collecting cylinder 2 are closed, the first dust collecting cylinder 1 and the second dust collecting cylinder 2 are communicated through a backflow port 3, and the left end surfaces of the first dust collecting cylinder 1 and the second dust collecting cylinder 2 are respectively provided with an air inlet pipe 4 and an air outlet pipe 5;
the outer wall of the first dust collection barrel 1 is close to two ends, the outer wall of the second dust collection barrel 2 is close to two ends and is provided with an insulating support piece 6, the dust collection barrel also comprises a high-voltage power supply wiring terminal 7, the high-voltage power supply wiring terminal 7 penetrates through the dust collection barrel (the first dust collection barrel 1 or the second dust collection barrel 2), two ends of the high-voltage power supply wiring terminal 7 penetrate through the insulating support piece 6 and are supported and fixed through the insulating support piece, and the high-voltage power supply wiring terminal is insulated from;
the electrostatic adsorption air flow in the first dust collection cylinder 1 flows back to flow through the reflux port 3 to enter the second dust collection cylinder 2, and the air flow flows out of the air outlet pipe 5 after the electrostatic adsorption of the second dust collection cylinder 2.
The insulating support pieces 6 are multiple, the insulating support pieces are processed into a barrel shape by adopting ceramics, the inner holes of the insulating support pieces are connected with the outer wall of the high-voltage power supply wiring terminal, and the outer wall of each insulating support piece is fixed with the wall of the dust collection barrel.
The first dust collecting cylinder 1 and the second dust collecting cylinder 2 are both internally provided with dust collecting poles 9, and the dust collecting poles 9 are positioned between two high-voltage power supply binding posts in the first dust collecting cylinder 1 and between two high-voltage power supply binding posts in the second dust collecting cylinder 2.
The dust collecting electrode 9 is composed of a plurality of dust collecting pipes, the cross section of each dust collecting pipe is circular or polygonal, and a corona wire penetrates through each dust collecting pipe.
The plurality of dust collecting pipes of the dust collecting electrode 9 are fixedly supported on the inner wall of the dust collecting cylinder ((the first dust collecting cylinder 1 or the second dust collecting cylinder 2)) through the supporting plate 10, and gaps are formed among the plurality of dust collecting pipes.
The corona wires 8 are one or more of acupuncture wires, sawtooth wires and prickle wires, are connected with a high-voltage power supply wiring terminal circuit, are insulated from the dust collection cylinder through air, and are all equipotential.
The utility model discloses utilize high-voltage static adsorption technique, high-voltage static input voltage absolute value can be for arbitrary magnitude of voltage in 0.4 ~ 10 ten thousand volts.
The utility model discloses high voltage power supply terminal 7 lets in the high voltage electricity of direct current after, and the particulate matter through near corona electrode is adsorbed on 9 inner walls of dust collecting pipe and all return channels (the many dust collecting pipe inner walls of a second dust collecting section of thick bamboo internal dust collecting electrode), reaches tail gas purification's effect.
The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.
Claims (6)
1. A backflow type electrostatic adsorption particle catcher is characterized by comprising a first dust collecting cylinder and a second dust collecting cylinder, wherein the first dust collecting cylinder and the second dust collecting cylinder are connected in parallel and the tail ends of the first dust collecting cylinder and the second dust collecting cylinder are closed;
the high-voltage power supply wiring terminal penetrates through the dust collection barrel, two ends of the high-voltage power supply wiring terminal penetrate through the insulating support piece and are supported and fixed through the insulating support piece, and the high-voltage power supply wiring terminal is insulated from the dust collection barrel and is not in contact with the dust collection barrel;
corona wires are respectively connected between the high-voltage power supply binding posts at the two ends of the first dust collecting cylinder and between the high-voltage power supply binding posts at the two ends of the second dust collecting cylinder, and an external high-voltage power supply is electrically connected between the high-voltage power supply binding post of the first dust collecting cylinder, which is close to the air inlet pipe, and the high-voltage power supply binding post of the second dust collecting cylinder, which is close to the air outlet pipe;
the electrostatic adsorption air flow in the first dust collection cylinder flows back to flow through the backflow port to enter the second dust collection cylinder, and the air flow flows out of the air outlet pipe after the electrostatic adsorption of the second dust collection cylinder.
2. The reverse-flow electrostatic adsorption particle catcher as claimed in claim 1, wherein the number of said insulating supporting members is plural, the insulating supporting members are made of ceramics and formed into a cylinder, the inner hole of the insulating supporting member is connected with the outer wall of the high voltage power supply binding post, and the outer wall of the insulating supporting member is fixed with the wall of the dust collecting cylinder.
3. The reverse-flow electrostatic absorption particle catcher as claimed in claim 1, wherein the first dust collecting cylinder and the second dust collecting cylinder are both provided with dust collecting electrodes, and the dust collecting electrodes are located between two high voltage power supply terminals in the first dust collecting cylinder and between two high voltage power supply terminals in the second dust collecting cylinder.
4. The reverse-flow electrostatic adsorption particle catcher as claimed in claim 3, wherein said dust collecting tube is composed of a plurality of dust collecting tubes, each dust collecting tube has a circular or polygonal cross-section, and each dust collecting tube has a corona wire passing through it.
5. The reverse-flow electrostatic absorption particle catcher as claimed in claim 3, wherein the plurality of dust tubes of the dust collecting electrode are fixedly supported on the inner wall of the dust collecting cylinder through a supporting plate, and gaps are formed between the plurality of dust tubes.
6. The reverse-flow electrostatic adsorption particle trap as claimed in claim 1, wherein the corona wires are one or more of needle-pricked wires, saw-pricked wires, and are electrically connected to the high voltage power supply terminals, and are insulated from the dust collecting cylinder by air, and all the high voltage circuits are at the same potential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337970.8U CN212744119U (en) | 2020-07-09 | 2020-07-09 | Backflow type electrostatic adsorption particle catcher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337970.8U CN212744119U (en) | 2020-07-09 | 2020-07-09 | Backflow type electrostatic adsorption particle catcher |
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| CN212744119U true CN212744119U (en) | 2021-03-19 |
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| CN202021337970.8U Active CN212744119U (en) | 2020-07-09 | 2020-07-09 | Backflow type electrostatic adsorption particle catcher |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356966A (en) * | 2021-06-17 | 2021-09-07 | 东风小康汽车有限公司重庆分公司 | Automobile exhaust particle processor and exhaust treatment device |
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2020
- 2020-07-09 CN CN202021337970.8U patent/CN212744119U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356966A (en) * | 2021-06-17 | 2021-09-07 | 东风小康汽车有限公司重庆分公司 | Automobile exhaust particle processor and exhaust treatment device |
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