CN216826673U - Electric field device - Google Patents

Electric field device Download PDF

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Publication number
CN216826673U
CN216826673U CN202121291294.XU CN202121291294U CN216826673U CN 216826673 U CN216826673 U CN 216826673U CN 202121291294 U CN202121291294 U CN 202121291294U CN 216826673 U CN216826673 U CN 216826673U
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China
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electric field
anode
cathode
field device
negative pole
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CN202121291294.XU
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Chinese (zh)
Inventor
姜诗中
奚勇
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Shanghai Bixiufu Enterprise Management Co Ltd
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Shanghai Bixiufu Enterprise Management Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/06—Plant or installations having external electricity supply dry type characterised by presence of stationary tube electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/41—Ionising-electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • B03C3/70—Applications of electricity supply techniques insulating in electric separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/86—Electrode-carrying means

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  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The utility model provides an electric field device, including electric field positive pole, electric field negative pole and negative pole backup pad, the electric field negative pole is installed in the negative pole backup pad, and the one end of electric field positive pole and the one end of electric field negative pole form the electric field air inlet, and the other end of electric field positive pole and the other end of electric field negative pole form the electric field gas outlet, and the negative pole backup pad is located the position of the non-electric field air inlet on the electric field negative pole, and the negative pole backup pad includes the through-hole. The utility model discloses place the negative pole backup pad in non-electric field air inlet department, make the gas that contains the particulate matter earlier by electric field treatment, then through the negative pole backup pad, make the particulate matter in the gas be difficult to gather in the negative pole backup pad. Meanwhile, the cathode supporting plate also comprises through holes, so that air flow can pass through the electric field device more uniformly, and the gas treatment effect is better.

Description

Electric field device
Technical Field
The utility model relates to an electric field device especially relates to an electric field device for gas treatment.
Background
In daily production and life, particles such as dust, oil drops and the like always exist, and a large amount of the particles not only influence the air quality of production and life, but also influence the body health of people.
In the existing electric field device for removing particulate matter, a cathode support plate is usually disposed at the air inlet of the discharge electric field. When gas flows through the electric field dust removal device, a large amount of particles in the gas can be accumulated on the cathode supporting plate at the air inlet, so that the cathode supporting plate is seriously polluted, the electric breakdown of the discharge electric field is easily caused, and the failure of the discharge electric field is caused.
SUMMERY OF THE UTILITY MODEL
For solving among the prior art cathode support plate and receiving the particulate matter pollution in the gas easily, make the particulate matter gather in the cathode support plate and cause the technical problem of electric breakdown, the utility model provides a following technical scheme:
the utility model provides an electric field device, including electric field positive pole, electric field negative pole and negative pole backup pad, the electric field positive pole one end with the one end of electric field negative pole forms the electric field air inlet, the electric field positive pole the other end with the other end of electric field negative pole forms the electric field gas outlet, its characterized in that, and the negative pole backup pad is placed position beyond the electric field air inlet, and/or, the negative pole backup pad includes the through-hole for make gas pass the negative pole backup pad.
The utility model provides an electric field device still has such characteristic, the shape of through-hole is polygon, circular, oval, square, rectangle, trapezoidal, or rhombus.
The utility model provides an electric field device still has such characteristic, and in electric field air inlet department, the tip of electric field positive pole flushes with the tip of electric field negative pole, and in electric field air outlet department, the electric field negative pole stretches out the electric field positive pole.
The utility model provides an electric field device still has such characteristic, the electric field positive pole includes one or more cavity tube bundles, the cross-section of cavity tube bundle is regular hexagon, the electric field negative pole includes an at least negative pole stick or negative pole silk, just the electric field negative pole with the electric field positive pole is coaxial.
The utility model provides an electric field device still has such characteristic, still includes insulating mechanism, insulating mechanism is located the negative pole backup pad with electric field positive pole is close to between the one end of electric field air inlet.
The utility model provides an electric field device still has such characteristic, still includes the aluminum hull, insulating mechanism is located in the aluminum hull.
The electric field device provided by the utility model also has the characteristics that the electric field device also comprises a wiring part for connecting a power supply, the wiring part comprises a conductive part and an insulating part, and the conductive part is positioned in the middle of the insulating part; the power anode surrounds the insulating part and is connected with one end, close to the electric field air inlet, of the electric field anode, and the power cathode is connected with the cathode supporting plate through the conducting part.
The utility model provides an electric field device still has such characteristic, still includes elasticity and bumps the head, elasticity bumps head one end and connects the conductive part, the other end is connected the negative pole backup pad.
The utility model provides an electric field device still has such characteristic, still includes the casing, the electric field positive pole the electric field negative pole the negative pole backup pad is located in the casing, wiring portion is located on the casing, and pass the casing.
The utility model provides an electric field device still has such characteristic, the electric field positive pole includes first positive pole portion and second positive pole portion, first positive pole portion is close to the electric field air inlet, second positive pole portion is close to the electric field gas outlet.
The utility model provides an electric field device still has such characteristic, still includes the negative pole backup pad, the negative pole backup pad sets up first positive pole portion with between the second positive pole portion.
The utility model also provides a multistage electric field device, a serial communication port, including foretell electric field device.
The utility model provides a multistage electric field device, its characterized in that, two at least electric field device series connections, two adjacent electric field devices of series connection include first order electric field device and second level electric field device, first order electric field device's gas outlet with the air inlet intercommunication of second level electric field device.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses place the position of non-electric field air inlet department with the negative pole backup pad, make the gas that contains the particulate matter earlier by electric field treatment, then through the negative pole backup pad, make the particulate matter in the gas be difficult to gather in the negative pole backup pad, avoided among the prior art negative pole backup pad easily with untreated gas direct contact who contains a large amount of particulate matters, make the negative pole backup pad receive the pollution seriously, cause the negative pole backup pad to be punctured by electricity easily, the technical problem that the electric field that discharges became invalid. Meanwhile, the cathode supporting plate also comprises through holes, so that air flow can pass through the electric field device more uniformly, and the gas treatment effect is better.
Drawings
Fig. 1 is a schematic structural view of an electric field device according to the present invention.
Fig. 2 is a schematic diagram of a specific electric field structure of an embodiment of the electric field apparatus of the present invention.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "side", "bottom", "top side" and "one" used in the present specification are used for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms is not changed or adjusted substantially.
The utility model provides an electric field device, including electric field positive pole, electric field negative pole and negative pole backup pad, wherein, the one end of electric field positive pole and the one end of electric field negative pole form the electric field air inlet, and the other end of electric field positive pole and the other end of electric field negative pole form the electric field gas outlet, and the one end that the electric field negative pole is located the electric field gas outlet is installed in the negative pole backup pad. Form the electric field that discharges between electric field negative pole and the electric field positive pole, gas gets into the electric field that discharges after, gas is earlier by the electric field ionization of discharging to form a large amount of ions that have an electric charge, the ion that has an electric charge combines with the particulate matter in the gas, make the particulate matter electric charge, the electric field positive pole exerts the adsorption affinity for the particulate matter that has a negative charge, make the particulate matter adsorbed on the electric field positive pole, in order to clear away the particulate matter in the gas, then gas flows out the electric field that discharges through the cathode supporting plate from the end of giving vent to anger of electric field negative pole. Because in the process that the gas flows through the discharge electric field, the electric field anode and the electric field cathode contact the gas containing the particles firstly, and the cathode supporting plate contacts the gas containing the particles later, therefore, the pollution of the gas to the cathode supporting plate is reduced, the particles accumulated on the cathode supporting plate are reduced, the electric breakdown caused by the particles is reduced, and the problem that the discharge electric field is easy to lose efficacy is solved.
In an embodiment of the present invention, the cathode supporting plate includes a through hole to allow the gas to pass through the through hole, so that the gas in the electric field device flows uniformly and the electric field ionization effect is good.
In an embodiment of the present invention, the shape of the through hole may be polygonal, circular, oval, square, rectangular, trapezoidal, or rhombic.
In an embodiment of the present invention, the contour size of the through hole can be 0.1-3 mm, 0.1-0.2 mm, 0.2-0.5 mm, 0.5-1 mm, 1-1.2 mm, 1.2-1.5 mm, 1.5-2 mm, 2-2.5 mm, 2.5-2.8 mm, or 2.8-3 mm.
In an embodiment of the present invention, the electric field cathode is located in the electric field anode and extends along the flowing direction of the gas in the discharging electric field. At the electric field air inlet, the end of the electric field anode is flush with the end of the electric field cathode, and at the electric field air outlet, the electric field cathode extends out of the electric field anode. The cathode supporting plate is positioned at the part of the cathode of the electric field, which extends out of the anode of the electric field, so that the cathode supporting plate is prevented from contacting the anode of the electric field, and the failure of the discharge electric field is caused. Meanwhile, a gap is formed between the cathode supporting plate and the electric field anode, so that gas can be uniformly mixed after flowing out of the electric field anode and is positioned at one end of the electric field gas outlet, and the gas flow can smoothly flow. When the gas passes through the discharge electric field, particulate matters in the gas are firstly treated by the discharge electric field and adsorbed to the anode of the electric field, and then the gas is contacted with the cathode supporting plate. The structure ensures that when the gas is contacted with the cathode supporting plate, the particles in the gas are treated by the previous discharge electric field, so that the pollution of the gas to the cathode supporting plate is greatly reduced, and the service life of the cathode supporting plate is longer.
In one embodiment of the present invention, the electric field anode comprises one or more parallel hollow anode tubes. When there are a plurality of hollow anode tubes, all the hollow anode tubes constitute a honeycomb-shaped electric field anode. In an embodiment of the present invention, the cross-section of the hollow anode tube may be circular or polygonal. If the cross section of the hollow anode tube is circular, an even electric field can be formed between the electric field anode and the electric field cathode, and dust is not easy to accumulate on the inner wall of the hollow anode tube. If the cross section of the hollow anode tube is triangular, 3 dust accumulation surfaces and 3 far-angle dust containing angles can be formed on the inner wall of the hollow anode tube, and the dust containing rate of the hollow anode tube with the structure is highest. If the cross section of the hollow anode tube is quadrilateral, 4 dust accumulation surfaces and 4 dust containing angles can be obtained, but the assembly structure is unstable. If the cross section of the hollow anode tube is hexagonal, 6 dust accumulation surfaces and 6 dust containing angles can be formed, and the dust accumulation surfaces and the dust containing rate are balanced. If the cross section of the hollow anode tube is polygonal, more dust-collecting surfaces can be obtained, but the dust holding rate is lost. In an embodiment of the present invention, the diameter of the inner circle of the hollow anode tube ranges from 5mm to 400 mm.
In an embodiment of the present invention, the electric field cathode includes a plurality of cathode filaments, the diameter of the cathode filaments can be 0.1mm-20mm, and the size parameter can be adjusted according to the application and the processing requirement. In an embodiment of the present invention, the diameter of the cathode filament is not greater than 3 mm. The cathode wire is made of metal wires or alloy wires which are easy to discharge, is temperature-resistant, can support the self weight, and is electrochemically stable. The cathode filament is made of titanium. The specific shape and length of the cathode filament can be adjusted according to the electric field anode.
In an embodiment of the present invention, the cathode bar can be selected as the electric field cathode. In an embodiment of the present invention, the diameter of the cathode bar is not greater than 3 mm. The cathode rod is made of a metal rod or an alloy rod which is easy to discharge. The shape of the cathode bar can be needle-shaped, polygonal, burr-shaped, threaded rod-shaped or columnar, and the shape and the length of the cathode bar can be adjusted according to the electric field anode.
In an embodiment of the present invention, the distance between the electric field anode and the electric field cathode can be 5-30 mm, 2.5-139.9mm, 9.9-139.9 mm, 2.5-9.9 mm, 9.9-20 mm, 20-30 mm, 30-40 mm, 40-50 mm, 50-60 mm, 60-70 mm, 70-80 mm, 80-90 mm, 90-100 mm, 100-110 mm, 110-120 mm, 120-130 mm, 130-139.9 mm, 9.9mm, 139.9mm, or 2.5 mm. The distance between the electric field anode and the electric field cathode is also referred to as the interpolar distance. The inter-polar distance specifically refers to the minimum vertical distance between the working surfaces of the electric field anode and the electric field cathode.
In one embodiment of the present invention, the diameter of the electric field cathode is 1-3mm, and the distance between the electric field anode and the electric field cathode is 2.5-139.9 mm; the ratio of the dust area of the electric field anode to the discharge area of the electric field cathode is 1.667: 1-1680: 1.
in an embodiment of the present invention, the electric field apparatus further includes an insulating mechanism for insulating between the cathode supporting plate and the electric field anode. The insulating mechanism is positioned between the cathode supporting plate and one end, close to the electric field air inlet, of the electric field anode, can well support the cathode supporting plate, and can fix the electric field cathode relative to the electric field anode, so that a set distance is kept between the electric field cathode and the electric field anode.
In an embodiment of the present invention, the insulating mechanism may be made of non-conductive temperature-resistant material, such as ceramic or glass. In particular, high voltage resistant ceramic insulators may be used. The insulating mechanism can be an umbrella-shaped string of ceramic columns or glass columns, and glaze is hung inside and outside the umbrella. The insulating mechanism can also be a columnar ceramic column or a glass column, and glaze is hung inside and outside the column. The insulation means may also be tower-shaped.
In an embodiment of the present invention, the electric field device further includes an aluminum housing, and the insulation mechanism is located inside the aluminum housing, and is mainly used to protect the insulation mechanism from being contaminated by particles in the gas, so as to prevent or reduce the particles in the gas from being collected on the insulation mechanism, thereby causing the insulation mechanism to be broken down or conductive. In an embodiment of the present invention, the particles can be granular dust, and can also be other impurities to be treated, such as aerosol, water mist, oil mist, etc.
In an embodiment of the present invention, the aluminum shell is a hollow cylinder, and the cross section of the cylinder is polygonal, circular, oval, square, rectangular, trapezoidal, or rhombic.
In an embodiment of the present invention, the electric field device further includes a wiring portion, and the electric field device is connected to the power supply through the wiring portion. The wiring portion includes a conductive portion and an insulating portion, the conductive portion being located in the middle of the insulating portion. The power supply anode is connected with one end, close to the electric field air inlet, of the electric field anode around the insulating part, and then the electric field anode is electrified. The power supply cathode is connected with the cathode support plate through the conductive part, so that the cathode support plate is electrified, and further, the electric field cathode connected with the cathode support plate is electrified.
In an embodiment of the present invention, the electric field device further includes an elastic contact, one end of the elastic contact is connected to the conductive portion, and the other end is connected to the cathode supporting plate. The power supply cathode is connected with the elastic contact head through the conductive part, and the elastic contact head is connected with the cathode supporting plate, so that the electric field cathode connected with the cathode supporting plate is electrified.
In an embodiment of the present invention, the electric field device further includes a housing. The electric field anode, the electric field cathode and the cathode supporting plate are positioned in the shell, and the wiring part is positioned on the shell and penetrates through the shell. The power supply anode is connected with the shell around the insulating part, and the shell is connected with one end, close to the electric field air inlet, of the electric field anode and used for electrifying the electric field anode; the power cathode is connected with the elastic contact head through a conductive part, and the elastic contact head is connected with the cathode supporting plate and used for electrifying the electric field cathode arranged on the cathode supporting plate.
In an embodiment of the present invention, the casing includes an air inlet and an air outlet, the air inlet is located at one side of the casing, and the air outlet is located at the other side of the casing opposite to the side where the air inlet is located. The side edge of the air inlet is vertical to the side edge close to the electric field air inlet.
In an embodiment of the utility model, after gas got into electric field device from the air inlet, got into the electric field that discharges through the electric field air inlet, left the electric field that discharges through the through-hole in the negative pole backup pad from the electric field gas outlet again, left electric field device from the gas outlet at last. Wherein, the gas flow direction of the gas inlet is parallel to the gas flow direction of the gas outlet or on the same straight line.
In an embodiment of the present invention, the electric field apparatus further includes a first flow channel, a second flow channel, a third flow channel, and an electric field flow channel. The air inlet direction of the air inlet is vertical or approximately vertical to the airflow direction of the first flow channel, the first flow channel is vertical or approximately vertical to the airflow direction of the second flow channel, the second flow channel is vertical or approximately vertical to the airflow direction of the electric field flow channel, the electric field flow channel is vertical or approximately vertical to the airflow direction of the third flow channel, and the third flow channel is the same or approximately the same as the airflow direction of the air outlet of the electric field device. The air flow directions in the air inlet and the air outlet are the same or approximately the same, the air flow directions in the first flow channel and the electric field flow channel are opposite or approximately opposite, and the air flow directions in the second flow channel and the third flow channel are the same or approximately the same.
In an embodiment of the present invention, the first flow channel is close to a side of the air inlet and is communicated with the air inlet of the electric field device. The second flow channel is positioned at the bottom edge of the electric field device and is communicated with the first flow channel. The third flow channel is positioned at the top edge of the electric field device and is communicated with the air outlet of the electric field device.
The utility model also provides a multistage electric field device, including the electric field device in two at least above-mentioned embodiments, wherein, two at least electric field device series connections, preferred, two at least electric field devices can dismantle the connection.
In an embodiment of the present invention, the two electric field devices connected in series include a first-stage electric field device and a second-stage electric field device, and an electric field gas outlet of the first-stage electric field device is communicated with an electric field gas inlet of the second-stage electric field device. The first-stage electric field device and the second-stage electric field device are arranged along the length direction of the electric field anode or the airflow direction in the electric field flow channel, an electric field air outlet of the first-stage electric field device is communicated with an electric field air inlet of the second-stage electric field device, and when gas flows out of a discharge electric field in the first-stage electric field device, the gas flows into the discharge electric field in the second-stage electric field device in the same direction.
In an embodiment of the present invention, the two electric field devices connected in series include a first-stage electric field device and a second-stage electric field device, and the gas outlet of the first-stage electric field device is communicated with the gas inlet of the second-stage electric field device. The first-stage electric field device and the second-stage electric field device are arranged along the direction vertical to the length direction of the electric field anode or the direction vertical to the direction of air flow in the electric field flow channel, the air outlet of the first-stage electric field device is communicated with the air inlet of the second-stage electric field device, and when air flows out of the air outlet of the first-stage electric field device, the air flows into the air inlet of the second-stage electric field device in the same direction. In the second-stage electric field device, after the flow direction is changed, the gas flows into the discharge electric field in the second-stage electric field device in the other direction perpendicular to the direction of the gas flow flowing into the gas inlet of the second-stage electric field device.
In an embodiment of the present invention, the third flow channel of the electric field device of the first stage is communicated with the first flow channel of the electric field device of the second stage.
In an embodiment of the present invention, the first stage electric field device 100 includes a side facing the second stage electric field device 200, the second stage electric field device 200 includes a side facing the first stage electric field device 100, and the side facing the second stage electric field device 200 of the first stage electric field device 100 is parallel to the side facing the first stage electric field device 100 of the second stage electric field device 200. In an embodiment of the present invention, the direction of the first flow channel of the first-stage electric field device is parallel to the direction of the first flow channel of the second-stage electric field device.
The utility model discloses still provide another kind of multistage electric field device, including the electric field device in two at least above-mentioned embodiments, wherein, the length of multistage electric field device on the electric field air inlet vertical direction or on the electric field gas outlet vertical direction is less than the length sum of electric field devices at different levels on the electric field air inlet vertical direction or on the electric field gas outlet vertical direction. In an embodiment of the present invention, the length of the multi-stage electric field device along the first flow channel direction is less than the sum of the lengths of the first flow channels of the electric field devices at different stages.
The utility model also provides a multistage electric field device of another kind, including the electric field device of at least two above-mentioned embodiments, wherein, at least two electric field devices are adjacent, and two adjacent electric field devices include first order electric field device and second level electric field device, and along electric field air inlet vertical direction or electric field gas outlet vertical direction, first order electric field device and second level electric field device at least some are relative. In an embodiment of the present invention, at least a portion of the first stage electric field device and the second stage electric field device are opposite to each other along the vertical direction of the first flow channel.
In an embodiment of the present invention, the electric field intensity between the electric field anode and the electric field cathode of each stage of electric field device may be the same, or the electric field intensity between the electric field anode and the electric field cathode of at least one electric field device may be different.
In an embodiment of the present invention, the particles can be granular dust, and can also be other impurities to be treated, such as aerosol, water mist, oil mist, etc.
Example 1
The present embodiment provides an electric field apparatus, as shown in the left part of fig. 1, comprising an electric field anode 1, an electric field cathode 2, and a cathode support plate 3. The electric field anode 1 and the electric field cathode 2 both extend in a first direction, and a discharge electric field is formed between the electric field anode 1 and the electric field cathode 2. One end of the electric field anode 1 and one end of the electric field cathode 2 form an electric field air inlet, the other end of the electric field anode 1 and the other end of the electric field cathode 2 form an electric field air outlet, the electric field cathode 2 is arranged on the cathode supporting plate 3, and the cathode supporting plate 3 is positioned at the end part of the electric field cathode 2 close to the electric field air outlet.
The cathode supporting plate 3 comprises through holes to allow gas to pass through the through holes, so that the gas in the electric field device flows uniformly, and the electric field ionization effect is good. The shape of the through hole can be polygonal, circular, oval, square, rectangular, trapezoidal, rhombic or the like.
At the electric field air inlet, the end of the electric field anode 1 is flush with the end of the electric field cathode 2, and at the electric field air outlet, the electric field cathode 2 extends out of the electric field anode 1. The structure enables a gap to be formed between the electric field anode 1 and the cathode supporting plate 3, and the electric field anode 1 and the cathode supporting plate 3 are prevented from being conducted.
The electric field anode 1 comprises a honeycomb-shaped and hollow anode tube bundle, and the shape of the end opening of the anode tube bundle is regular hexagon.
The electric field cathode 2 comprises a plurality of cathode bars, one of which is correspondingly positioned in each anode tube bundle in the anode tube bundle group, and the electric field cathode 2 is coaxial with the electric field anode 1.
The electric field cathode 2 is positioned in the electric field anode 1, and a discharge electric field is formed between the electric field anode 1 and the electric field cathode 2.
The electric field device also comprises an insulating mechanism 4, wherein the insulating mechanism 4 is positioned between the cathode supporting plate 3 and one end of the electric field anode 1 close to the electric field air inlet, and is used for realizing insulation between the cathode supporting plate 3 and the electric field anode 1. The insulating mechanism 4 is arranged between the cathode supporting plate 3 and one end of the electric field anode 1 close to the electric field air inlet, can play a good supporting role for the cathode supporting plate 3, and plays a fixing role for the electric field cathode 2 relative to the electric field anode 1, so that a set distance is kept between the electric field cathode 2 and the electric field anode 1. The insulating mechanism 4 is made of non-conductor temperature-resistant materials, such as ceramics, glass and the like. In particular, high voltage resistant ceramic insulators may be used. The insulating mechanism 4 is an umbrella-shaped string of ceramic columns or glass columns, and glaze is hung inside and outside the umbrella. The insulating mechanism 4 can also be a columnar ceramic column or a glass column, and glaze is hung inside and outside the column. The insulation 4 may also be tower-shaped.
The electric field device further comprises an aluminum housing 41, and the insulating means 4 is located in the aluminum housing 41 for preventing the insulating means 4 from being contaminated by particles in the gas, resulting in the insulating means 4 being broken down or conducting electricity.
One end of the aluminum shell 41 is flush with one end of the electric field anode 1 close to the electric field air inlet, and the other end is flush with one end of the electric field anode 1 close to the electric field air outlet.
The aluminum case 41 has a hollow cylindrical shape, and the cross section of the cylinder has a polygonal, circular, elliptical, square, rectangular, trapezoidal, or rhombic shape.
The field device further comprises a connection part 5 for connecting a power source and the field device. The wire connection portion 5 includes a conductive portion 51 and an insulating portion 52, wherein the conductive portion 51 is located in the middle of the insulating portion 52. The power supply cathode electrically charges the cathode support plate 3 through the conductive portion 51, and further electrically charges the field cathode 2 connected to the cathode support plate 3. The power supply anode 1 is connected with one end of the electric field anode 1 close to the electric field air inlet through the insulating part 52 at the periphery of the wiring part, so that the electric field anode is electrified. The shape of the insulating part 52 can be umbrella-shaped string, column-shaped string, etc., and the protection level can reach IP 68.
The electric field device further comprises an elastic contact 6, one end of the elastic contact 6 is connected with the conductive part 51, and the other end is connected with the cathode support plate 3. The power cathode is connected to the elastic contact 6 through the conductive part 51, and the elastic contact 6 is connected to the cathode support plate 3 to charge the field cathode 2 connected to the cathode support plate 3.
The electric field device further comprises a housing 7. The electric field anode 1, the electric field cathode 2 and the cathode support plate 3 are positioned in the shell 7, and the wiring part 5 is positioned on the shell 7 and penetrates through the shell 7. The power supply anode is connected to the case through the insulating portion 52, and the case 7 is connected to the air inlet end of the field anode 1 to electrify the field anode 1. The power cathode is connected to the elastic contact 6 via the conductive part 51, and the elastic contact 6 is connected to the cathode support plate 3, so that the field cathode 2 connected to the cathode support plate 3 is charged.
The housing 7 includes an air inlet 10 and an air outlet 20, the air inlet 10 is located on one side of the housing 7, and the air outlet 20 is located on the other side of the housing 7 opposite to the side where the air inlet 10 is located. Wherein, the side of the air inlet 10 on the shell 7 is vertical to the side close to the electric field air inlet. Electric field device is less in the vertical direction of following the air inlet or the length on the vertical direction of gas outlet in this embodiment, more is applicable to and installs in the comparatively narrow and small operational environment in space to gas treatment is effectual.
In an example, as shown in fig. 2, the field anode 1 comprises a first anode portion 21 and a second anode portion 22, the first anode portion 21 being close to the field inlet and the second anode portion 22 being close to the field outlet, at least one cathode support plate 3 being arranged between said first anode portion 21 and said second anode portion 22.
In an example, at the electric field inlet and/or at the electric field outlet, the electric field cathode has an angle α with the electric field anode of 0 ° < α ≦ 125 °, or 45 ° ≦ α ≦ 125 °, or 60 ° ≦ α ≦ 100 °, or α ≦ 90 °. And/or, at the field inlet and/or at the field outlet, the end of the field cathode forms an angle α with the inscribed circle of the field anode, and 0 ° < α ≦ 125 °, or 45 ° ≦ α ≦ 125 °, or 60 ° ≦ α ≦ 100 °, or α ≦ 90 °.
Example 2
The present embodiment provides an electric field device, as shown in the left part of fig. 1, comprising an air inlet 10 and an air outlet 20, wherein the air inlet 10 is located on one side of the electric field device, and the air outlet 20 is located on the other side of the electric field device opposite to the side where the air inlet is located. The electric field device further comprises a first flow channel 30, a second flow channel 40, a third flow channel 50, and an electric field flow channel 60. The first flow channel 30 is close to the side of the air inlet 10 and is communicated with the air inlet 10 of the electric field device. The second flow channel 40 is located at the bottom edge of the electric field device and communicates with the first flow channel 30. The third flow channel 50 is located at the top edge of the field device and communicates with the air outlet 20 of the field device. The electric field flow channel 60 is located at a discharging electric field in the electric field device, a direction of the discharging electric field close to the bottom edge of the electric field device is an electric field air inlet, and the electric field air inlet is communicated with the second flow channel 40. The direction of the discharging electric field close to the top edge of the electric field device is an electric field air outlet which is communicated with the third flow channel 50.
The air inlet direction of the air inlet of the electric field device is perpendicular to the air flow direction of the first flow channel 30, the first flow channel 30 is perpendicular to the air flow direction in the second flow channel 40, the second flow channel 40 is perpendicular to the air flow direction in the electric field flow channel 60, the electric field flow channel 60 is perpendicular to the air flow direction in the third flow channel 50, and the air flow direction in the third flow channel 50 is the same as the air flow direction in the air outlet of the electric field device. The air inlet 10 of the electric field device and the air outlet 20 of the electric field device have the same air flow direction, the first flow channel 30 and the electric field flow channel 60 have the opposite air flow direction, and the second flow channel 40 and the third flow channel 50 have the same air flow direction.
The gas enters the electric field device from a gas inlet 10 of the electric field device, sequentially passes through a first flow channel 30 and a second flow channel 40 in the electric field device, flows into an electric field flow channel 60, then passes through a third flow channel 50, and finally flows out from a gas outlet 20 of the electric field device.
Example 3
This embodiment provides a multi-stage electric field device, including at least two electric field devices as in embodiment 1, each stage of electric field device is connected in series and can be detached, wherein, the structure and size of each stage of electric field device can be the same or partially the same, for example, in each stage of electric field device, the position of the cathode support plate 3 is not limited to the end near the electric field gas outlet of the electric field cathode 2 shown in fig. 1, that is, the cathode support plate 3 can be located at the end near the electric field gas outlet of the electric field cathode 2, can also be located in the middle of the electric field cathode 2, and can also be located at the end near the electric field gas inlet of the electric field cathode 2. When the cathode support plate 3 is located at the end of the electric field cathode 2 close to the electric field inlet, the cathode support plate 3 located at the end of the electric field cathode 2 close to the electric field inlet in the electric field apparatus of this stage is relatively vulnerable to contamination by particulate matter in the gas. In a certain level of electric field device, also can have a plurality of negative pole backup pads 3, and its position can be located the inlet end and the end of giving vent to anger of electric field negative pole 2, can specifically adjust according to the actual service environment is nimble. The cathode support plate 3 may optionally include through holes for gas flow.
The electric field intensity between the electric field anode and the electric field cathode of each stage of electric field device can be the same, or the electric field intensity between the electric field anode and the electric field cathode of at least one electric field device can be different.
Fig. 1 schematically shows a two-stage electric field device consisting of a first-stage electric field device 100 and a second-stage electric field device 200 connected in series. Wherein, the air outlet 20 of the first-stage electric field device 100 is communicated with the air inlet 10 of the second-stage electric field device 200 and is detachably connected with the casing 7. The first-stage electric field device 100 and the second-stage electric field device 200 are arranged along the length direction of the electric field anode 1, the gas outlet 10 of the first-stage electric field device 100 is communicated with the gas inlet 20 of the second-stage electric field device 200, and gas flows into the gas inlet 10 of the second-stage electric field device 200 in the same direction when flowing out of the gas outlet 20 of the first-stage electric field device 100. In the second-stage electric field device 200, the gas flows into the discharge electric field in the second-stage electric field device 200 in another direction perpendicular to the direction of the gas flow into the gas inlet 10 of the second-stage electric field device 200. In the vertical direction of the air inlet 10 or the vertical direction of the air outlet 20 of the second-stage electric field device, the length of the second-stage electric field device is smaller than the sum of the length of the first-stage electric field device 100 and the length of the second-stage electric field device 200, so that the thickness of the whole second-stage electric field device in the vertical direction of the air inlet 10 or the vertical direction of the air outlet 10 is reduced, the gas treatment device is more suitable for being installed in a narrow working environment, and the gas treatment effect is good.
The multi-stage electric field device can effectively improve the dust deposition efficiency of the multi-stage electric field device.
Example 4
This embodiment provides a multi-stage electric field device, which includes at least two electric field devices of embodiment 2, wherein the electric field devices of different stages are connected in series and detachably, and the structures and the sizes of the electric field devices of different stages may be the same or partially the same, for example, in the electric field devices of different stages, the electric field strength between the electric field anode and the electric field cathode of the electric field device of each stage may be the same, or the electric field strength between the electric field anode and the electric field cathode of at least one electric field device may be different.
Fig. 1 schematically shows a two-stage electric field device consisting of a first-stage electric field device 100 and a second-stage electric field device 200 connected in series. Wherein, the air outlet 20 of the first-stage electric field device 100 is communicated with the air inlet 10 of the second-stage electric field device 200 and is detachably connected. The first-stage electric field device 100 and the second-stage electric field device 200 are arranged along a direction 10 parallel to the gas inlet or a direction parallel to the gas outlet 20, the gas outlet 10 of the first-stage electric field device 100 is communicated with the gas inlet 20 of the second-stage electric field device 200, and gas flows into the gas inlet 10 of the second-stage electric field device 200 in the same direction when flowing out of the gas outlet 20 of the first-stage electric field device 100. In the second-stage electric field device 200, the gas flows into the electric field flow channel 60 in the second-stage electric field device 200 in another direction perpendicular to the direction of the gas flow into the gas inlet 10 of the second-stage electric field device 200. In the vertical direction of the air inlet 10 or the vertical direction of the air outlet 20 of the second-stage electric field device, the length of the second-stage electric field device is smaller than the sum of the length of the first-stage electric field device 100 and the length of the second-stage electric field device 200, so that the thickness of the whole second-stage electric field device in the vertical direction of the air inlet 10 or the vertical direction of the air outlet 10 is reduced, the gas treatment device is more suitable for being installed in a narrow working environment, and the gas treatment effect is good.
The multistage electric field device is established ties and is made gaseous by abundant ionization in multistage discharge electric field, and the particulate matter in the gas is fully adsorbed to improve the treatment effeciency of particulate matter.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (14)

1. The utility model provides an electric field device, includes electric field anode, electric field negative pole and negative pole backup pad, the electric field anode one end with the one end of electric field negative pole forms the electric field air inlet, the electric field anode the other end with the electric field negative pole's the other end forms the electric field gas outlet, its characterized in that, the negative pole backup pad is placed position outside the electric field air inlet, and/or, the negative pole backup pad includes the through-hole for make gas pass the negative pole backup pad.
2. The electric field device according to claim 1, wherein the shape of the through-hole is polygonal, circular, or elliptical.
3. The electric field device of claim 2, wherein the polygon is a square, rectangle, trapezoid, or rhombus.
4. The electric field apparatus of claim 1, wherein at the electric field inlet the end of the electric field anode is flush with the end of the electric field cathode and at the electric field outlet the electric field cathode extends beyond the electric field anode.
5. An electric field device according to claim 1 or 4, wherein the electric field anode comprises one or more hollow tube bundles having a regular hexagonal cross-section, the electric field cathode comprises at least one cathode rod or filament, and the electric field cathode is coaxial with the electric field anode.
6. The electric field apparatus of claim 1, further comprising an insulating mechanism between the cathode support plate and an end of the electric field anode proximate to the electric field inlet.
7. The electric field device of claim 6, further comprising an aluminum housing, wherein the insulating mechanism is located within the aluminum housing.
8. The electric field device of claim 1, further comprising a terminal portion for connection to a power source, the terminal portion comprising a conductive portion and an insulating portion, the conductive portion being located intermediate the insulating portions;
the power anode surrounds the insulating part and is connected with one end, close to the electric field air inlet, of the electric field anode, and the power cathode is connected with the cathode supporting plate through the conducting part.
9. The electric field device of claim 8, further comprising a resilient tab, one end of the resilient tab being connected to the conductive portion and the other end of the resilient tab being connected to the cathode support plate.
10. The electric field device of claim 8 or 9, further comprising a housing, the electric field anode, the electric field cathode, the cathode support plate being located within the housing, the wire connection portion being located on and passing through the housing.
11. The electric field device of claim 1, wherein: the electric field anode comprises a first anode part and a second anode part, the first anode part is close to the electric field air inlet, and the second anode part is close to the electric field air outlet.
12. The electric field device of claim 11, further comprising a cathode support plate disposed between the first anode portion and the second anode portion.
13. A multistage electric field apparatus comprising an electric field apparatus as claimed in any one of claims 1 to 12.
14. The multi-stage electric field device of claim 13, wherein at least two electric field devices are connected in series, and wherein two adjacent electric field devices connected in series comprise a first stage electric field device and a second stage electric field device, and wherein an air outlet of the first stage electric field device is in communication with an air inlet of the second stage electric field device.
CN202121291294.XU 2020-06-10 2021-06-09 Electric field device Active CN216826673U (en)

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CN202010525363 2020-06-10
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CN202121291294.XU Active CN216826673U (en) 2020-06-10 2021-06-09 Electric field device

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CN217043004U (en) 2022-07-26

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