EP2501480A1 - Système de filtration de poussière fine électrostatique, élément de retenue pour une électrode et électrode correspondante - Google Patents

Système de filtration de poussière fine électrostatique, élément de retenue pour une électrode et électrode correspondante

Info

Publication number
EP2501480A1
EP2501480A1 EP10785318A EP10785318A EP2501480A1 EP 2501480 A1 EP2501480 A1 EP 2501480A1 EP 10785318 A EP10785318 A EP 10785318A EP 10785318 A EP10785318 A EP 10785318A EP 2501480 A1 EP2501480 A1 EP 2501480A1
Authority
EP
European Patent Office
Prior art keywords
electrode
insulator
holder
spring
electrostatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10785318A
Other languages
German (de)
English (en)
Other versions
EP2501480B1 (fr
Inventor
Beat Müller
Daniel Jud
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DK13197531.0T priority Critical patent/DK2712678T3/en
Priority to PL13197531T priority patent/PL2712678T3/pl
Priority to EP13197531.0A priority patent/EP2712678B1/fr
Priority to PL10785318T priority patent/PL2501480T3/pl
Publication of EP2501480A1 publication Critical patent/EP2501480A1/fr
Application granted granted Critical
Publication of EP2501480B1 publication Critical patent/EP2501480B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B03C3/49—Collecting-electrodes tubular
    • 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
    • B03C3/86—Electrode-carrying means
    • 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
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/08—Ionising electrode being a rod
    • 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
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/10—Ionising electrode has multiple serrated ends or parts

Definitions

  • Electrostatic fine dust filter system holder for an electrode and electrode for it
  • the invention relates to a holder for an electrostatic high-voltage electrode according to the preamble of claim 1, a rod-shaped electrode, in particular an electrostatic high-voltage electrode, according to the preamble of claim 13 and an electrostatic fine dust filter system according to the preamble of claim 22.
  • the invention further relates to the use of certain materials Lien for the preparation of an electrode according to claim 26. Holder, electrode and / or fine dust filter system can be used for emission control, in particular of fire equipment.
  • Electrostatic dust filters or electrostatic precipitators are systems for the separation of particles from gases, which are based on the electrostatic principle. These systems are used in particular for the electrical cleaning of exhaust gases.
  • Electrostatic devices electrically charge dust particles by corona discharge and pull them to the oppositely charged electrode.
  • the corona discharge takes place on a suitable, charged high-voltage electrode inside the exhaust gas.
  • the electrode is preferably made with protruding tips and possibly sharp edges, because there the density of Felcilinien and thus the electric field strength is the largest and thus the corona discharge favored.
  • the opposing electrode usually consists of a grounded exhaust pipe section which is mounted around the electrode.
  • the degree of separation of an electro-filter is particularly dependent on the residence time of the exhaust gases in the filter system and the voltage between the spray and deposition electrode.
  • the necessary rectified high voltage is provided by a high voltage generating plant.
  • the high-voltage generator and the holder for the electrode must be protected from dust and dirt to prevent unwanted creepage currents and prolong the life of the system.
  • Patent specification GB 914 299 discloses known electrostatic filters.
  • An embodiment of an electrostatic filter ( Figure 2) the insulators are protected due to structural measures against bending stress and fracture consists at least of a high voltage part, which rests on a support which strikes a bridge between insulating Supports.
  • the hanging high-voltage part passes through an insulator sleeve. Forces acting on the high voltage part are absorbed by elastic seals, some of which bear directly or indirectly on the high voltage part.
  • the freedom of movement of the high-voltage part is almost completely prevented by the construction described. Insofar as a movement of the high voltage part is possible, This is severely limited and guided by the adjacent seals. Vibrations and vibrations can be damped by this structure.
  • the support rod In the patent application GB 2 119 291 an electrostatic filter is shown, the support rod, optionally with emission electrode, hanging freely suspended in a Insolatorhülse.
  • the support rod is embedded in a resilient material which fills the space between the support rod and the insulator. This structure is intended to prevent breakage of the insulator due to vibrations transmitted via the support rod.
  • the publication WO 2008/128353 discloses a damper installation for separating the insulator chamber from the chimney pipe.
  • the damper installation is completed and the power to the electrode frame holding member is turned off, the insulator can be maintained while the exhaust gas continues to flow through the chimney.
  • assembly, maintenance and cleaning of fine dust filter and chimney for example of house fireplaces with wood firing, are easy to carry out.
  • the safety of the chimney sweep and the fitter should be ensured when carrying out the assembly, service, maintenance and cleaning work. description
  • the object is achieved with a holder according to claim 1 and / or an electrode according to claim 13 and in particular a fine dust filter system according to claim 22, characterized in that holder and / or electrode are movable and self-resetting, in particular resilient executed. Furthermore, the object is achieved with the use of cambered flexible parts for producing an electrode according to claim 26.
  • the inventive holder for an electrostatic high voltage electrode for emission control includes a high voltage insulator, the electrode side of the insulator at least one arm (preferably only one arm) containing a holding means for holding a holding means preferably vertically vertically suspended high voltage electrode and mounting side of the insulator at least one mounting means for mounting the holder to a Assembly outside an exhaust duct of a chimney, wherein the holder is equipped with at least one return element with restoring property, which forms a hinged connection between the at least one mounting means and the holding means and which during cleaning in the exhaust duct with a cleaning device, a deflection of the holding means and optionally one attached thereto high voltage electrode from the operating position and an automatic return to the operating position allows.
  • the restoring element is thus installed between the at least one mounting means and the holding means such that the holding means is connected to the at least one mounting means via the restoring element and that the holding means against the at least one mounting means is self-resetting, in particular elastic and / or resilient, movable.
  • the at least one return element has a restoring effect as soon as an external force which changes the position of the holder is eliminated.
  • gravity and / or spring forces can act. Deflection from the starting position and return can be repeated as required.
  • the advantage is that, for example, when cleaning with a chimney brush, the electrode can be pressed inside the exhaust duct due to the flexible holder on the side and thereby no longer forms an obstacle to the cleaning brush.
  • the at least one restoring element is a movable element that can be designed as a spring, eg steel spring, as a hinge, mechanical joint, made of elastic material or a combination thereof.
  • the resilient restoring element acts self-resetting, as soon as an external force, which changes the position of the bracket, eliminated.
  • the restoring element may, for example, by virtue of gravity resetting, as soon as an external force, which has changed the basic position of the holder omitted.
  • the at least one return element allows a
  • the at least one return element is designed such that the holder, i. the parts of the holder which is arranged on the electrode side of the restoring element (ie the holding means), due to a bending or rotation of the return element (in particular about the turning or bending point of the return element) by more than 5 degrees, preferably by more than 10 degrees and on preferably can be deflected by more than 20 degrees from the basic position.
  • the at least one restoring element can be deflected during deflection such that, due to bending and / or rotation of the restoring element, the retaining means deflects with respect to the operating position in at least horizontal direction by at least 5 cm, preferably by at least 10 cm, more preferably by at least 15 cm, more preferably by at least 20 cm, from its experienced driving position. Dodging or deflection in vertical displacement can also be done.
  • the at least one mounting means is equipped with at least one return element for supporting the insulator.
  • at least one carrier means which carries the at least one restoring element, is preferably arranged between the at least one mounting means and the insulator.
  • the at least one arm is equipped with the at least one restoring element, or the insulator is self-restoring, in particular made of elastic material, such as silicone.
  • the restoring element acts resetting as soon as an external force, which changes the position of the holder, is eliminated. Due to the mounting-side positioning of the restoring element, the greatest possible displaceability, i. Displacement distance of the electrode ensured. This is particularly advantageous, for example, when cleaning with a chimney brush, since the electrode in the interior of the exhaust duct can be pushed away as far as the exhaust duct wall due to the highly flexible support and thus no longer forms an obstacle to the cleaning brush.
  • the insulator is connected via a detachable connection, in particular a plug connection, to the at least one mounting means, optionally via at least one carrier means.
  • the isolator is only plugged in during assembly and can be removed at any time for maintenance. In addition, no tools are needed for this purpose.
  • the insulator is advantageously seated in an insulator holder, which is also anchored in a deflectable manner by means of the at least one restoring element on the at least one mounting means, optionally via a carrier means.
  • three, four or more restoring elements are arranged so that there is a restoring three-point, four-point, preferably Mehrpunkstützung of the insulator.
  • the restoring elements are arranged, for example, such that a kind of spring table is formed which is positioned between the insulator, preferably insulator holder and a bracket designed for mounting.
  • the one or more restoring elements thereby form the support legs of the table.
  • a spring support by only one restoring element In contrast to a spring support by only one restoring element, the support by several restoring elements is more stable and yet easily adjustable preferably dimensioned. On the other hand, a spring support with only one restoring element may be structurally easier to implement, while allowing good flexibility and mobility of the holder.
  • restoring elements may be placed on the insulator mandrel on the electrode guide and / or the electrode itself. Additional restoring elements may also be used as springs, e.g. Steel spring, be designed as hinges or mechanical joints.
  • the insulator advantageously has a lamellar structure. This advantageously runs upwards in a fir-shaped manner, preferably tapering towards the electrode side. A continuous layer of dirt can be largely prevented by this shaping.
  • the arm with holding means for holding an electrode protrudes in the direction of taper from the tip of the tapered insulator.
  • the insulator is made of silicone, for example, as this material has a strong insulating effect. Silicone itself has a certain elasticity. It is therefore alternatively conceivable that the insulator and mandrel are designed in such a way that the insulator itself acts as a restoring element, and may preferably act. Silicone is also very water and dirt repellent. Creepage currents can thus be reduced to a minimum and the service life of the system maximized. Furthermore, silicone has a high temperature and ozone resistance.
  • a power supply unit and optionally a control unit are connected on the assembly side to the insulator.
  • the power supply unit is advantageously connected to the electrode via an electrical connection through the insulator.
  • a vibration unit in particular a vibration motor, attached to the holder or integrated therein.
  • the holder and thus the attached electrode can be vibrated. Due to the introduced vibrations deposited exhaust gas particles can be shaken off the electrode.
  • the at least one arm for holding a high-voltage electrode is provided with means for establishing a releasable connection, for example a plug-in connection or a screw connection.
  • the at least one arm for holding the high-voltage electrode can be designed with further restoring elements.
  • the at least one mounting means if appropriate via at least one carrier means, can be designed with a plurality of reset elements.
  • the inventive rod-shaped electrode in particular the electrostatic see high-voltage electrode, consists of a spring element with resetting, i. elastic, spring force or includes at least one spring element with resetting, i. elastic, spring force which under force, a movement, in particular a bend, buckling or deformation, the electrode allows and in the absence of force, the electrode in the basic position, e.g. in a stretched position, jumping back.
  • the bend and the return are elastic.
  • the electrode is therefore characterized by a rigid and, on the other hand, elastically self-resetting design. The fact that the electrode has one or more bending or bending points, it is possible to mount the electrode laterally via an opening in the exhaust duct and disassemble.
  • the electrode When cleaning from below, the electrode can be pushed away with the cleaning brush. As a result, the work of Kaminfegers is simplified; In particular, cleaning from the roof is no longer necessary.
  • the electrode has high rigidity and at the same time good damping effect.
  • the spring force can in this case be set and dimensioned so that the forces of the exhaust gas flow, i. the resulting air resistance at the electrode, and the electrostatic forces acting on the electrode, cause no swinging of the electrode.
  • the electrode can be held in place with an additional weight.
  • the at least one spring element of the electrode can be used as a spring, e.g. Steel spring, be formed.
  • the at least one spring elements is self-resetting due to its construction and / or its material properties.
  • the spring element consists of at least one cambered
  • the Kriimrnung the electrode cross-section (ie the curvature in the transverse direction of a rod electrode) shaped electrode), which is introduced by bombing, advantageously has a radius of 5 to 100 mm (millimeters), preferably from 10 to 40 mm and more preferably from 18 to 22 mm.
  • the electrode in its cross section has an arc length of 8 to 100 mm, preferably from 12 to 50 mm and most preferably from 16 to 25 mm.
  • the electrode is 1 to 4 meters (meters) long.
  • a rather long electrode is used for an exhaust pipe with a rather large diameter.
  • a cambered spring steel sheet has a very high rigidity and can still be easily bent. As soon as no external force acts on the spring steel sheet, it springs back into the stretched state. In addition, the break point over the length of the sheet is freely movable.
  • the spring element may consist of at least two or more cambered Federblech Facultyen, which are connected to each other with convex side portions or with convex and concave side portions. This more complex design results in a stronger spring force of the electrode.
  • the rod-shaped electrostatic high-voltage electrode includes spring elements that extend substantially the entire length of the electrode.
  • the rod-shaped electrostatic high-voltage electrode contains spring elements and dimensionally stable elements in alternating sequence, in particular in alternating sequence in the longitudinal direction of the electrode. In case of bending several bending points can occur simultaneously.
  • the restoring spring force of the spring elements is dimensioned such that the spring elements can be bent or kinked by muscular force, in particular by using arms and hands, a person entrusted with the maintenance, installation or cleaning of the system.
  • the restoring spring force of the spring or the spring elements is designed so that the spring element can be bent preferably the spring elements at least 10 degrees, preferably at least 20 degrees, more preferably at least 45 degrees and more preferably at least 90 degrees, can be bent , Furthermore, it is advantageous if the individual spring elements are bendable by at least 10 and up to 180 degrees, advantageously by at least 20 and up to 170 degrees bendable. It should be noted that the less the spring elements the electrode is constructed of, the more the elements should bend. The force required for diffraction depends on the material and the rod dimensions.
  • an electrode has sharp edges or tips for ionization.
  • the edges or tips preferably have a radius of less than 1 mm, more preferably less than 0.5 mm and more preferably less than 0.2 mm.
  • the electrodes consist at least partially of cambered sheet metal, in particular spring steel sheet.
  • the electrodes (in particular the electrode surface) consist of at least 20 percent, preferably at least 50 percent, more preferably at least 80 percent and more preferably substantially from cambered spring steel sheet.
  • cambered spring steels are used to produce rod-shaped electrodes, in particular electrostatic high-voltage electrodes. Their self-resetting spring forces make these electrodes and the equipment in which the electrodes are used easy to assemble, maintain and clean.
  • Cambered spring steel according to the invention can be used for producing electrodes, in particular electrostatic high-voltage electrodes.
  • the inventive electrostatic Feirtstaubfilterstrom includes an electrostatic high voltage electrode and optionally a counter electrode and is characterized in that the system further includes a holder as described herein for the electrostatic high voltage electrode.
  • the inventive electrostatic fine dust filter system includes an electrostatic high voltage electrode and optionally a counter electrode, wherein the system further includes a holder for the high voltage electrode, which in particular at least from a high voltage insulator, the electrode side of the insulator an arm with a holding means for holding a holding means on the Preferably, vertically suspended high-voltage electrode and the mounting side of the insulator consists of a mounting means for mounting the holder, and wherein the holder is further equipped with at least one restoring element with self-resetting spring force.
  • the restoring element in this case forms an articulated connection between the at least one mounting means and the holding means and, when cleaning in the exhaust gas duct with a cleaning device, allows deflection of the holding means and optionally a high-voltage electrode attached thereto from the operating position and an automatic return to the operating position.
  • the restoring element acts self-restoring as soon as an external force changes the position of the holder. This has the advantage that, for example, when cleaning with a chimney brush, the electrode inside the exhaust duct can be pressed on the side due to the flexible support and thus no longer forms an obstacle to the cleaning brush.
  • the high-voltage electrode is formed as a rod-shaped electrode which contains at least one resetting element with restoring spring force, which allows a buckling of the electrode under the action of force and stiffens the electrode in the absence of force.
  • the electrostatic fine dust filter system comprises an electrostatic high-voltage electrode and optionally a counterelectrode and is characterized in that the high-voltage electrode is designed as a rod-shaped electrostatic high-voltage electrode as described herein.
  • the inventive electrostatic fine particulate filter system includes an electrostatic high voltage electrode and optionally a counter electrode, wherein the high voltage electrode is formed as a rod-shaped electrostatic high voltage electrode which contains in particular at least one resetting element with resetting spring force, which allows a force buckling of the electrode and stiffens the electrode in the absence of force.
  • the electrode has one or more bending or bending points, it is possible to mount the electrode laterally via an opening in the exhaust duct and dismantle.
  • the opening in the chimney can be sized to the maximum size due to the maximum penetration distance.
  • the design of a fireplace is not strong Restriction on the design and design of the filter system, as a lateral opening is sufficient as an inlet for the electrode. All other filter elements can be mounted on the outside of the fireplace.
  • the electrostatic fine dust filter system further includes a flexible insulating holder comprising a high-voltage insulator, electron side of the insulator at least one arm with a holding means for holding a preferably vertically hanging on the holding means high-voltage electrode and the mounting side of the insulator at least one mounting means for mounting the holder, wherein the holder is equipped with at least one restoring element.
  • the restoring element in this case forms an articulated connection between the at least one mounting means and the holding means and, when cleaning in the exhaust gas duct with a cleaning device, allows deflection of the hardening agent and optionally a high-voltage electrode attached thereto from the operating position and an automatic reset to the operating position.
  • the holder is equipped with at least one restoring element with self-resetting spring force.
  • Figure 1 exhaust duct with electrostatic high-voltage filter equipment with over-restoring elements flexibly mounted insulator and electrostatic electrode in the operating position;
  • Figure 2 exhaust duct with electrostatic high-voltage filter equipment with over-restoring elements flexibly mounted insulator and electrostatic electrode in the deflected position during cleaning;
  • Figure 3 exhaust duct with electrostatic high-voltage filter equipment with flexibly mounted insulator and electrostatic electrode with alternative and additional restoring elements or break points;
  • Two general embodiments of a self-restoring electrostatic electrode a) segmented structure, b) one-piece construction
  • Self-recovering electrostatic electrodes comprising a) two cambered spring plates, b) a cambered spring plate;
  • FIGS. 1-3 and 8 each show an exhaust duct 9 of a rabbit, which is equipped with an electrostatic high-voltage filter system 11.
  • a chimney is designed so that exhaust gases can flow out through the exhaust duct 9 up into the environment.
  • the exhaust duct is designed for this example as a pipe. Commercially available and installed exhaust pipes usually have diameters of about 100 to 400 mm.
  • the electrostatic high-voltage electrode 13 is positioned in the interior of the exhaust gas duct 9 in a central position in the axial direction (ie in the longitudinal direction).
  • the inner wall of the exhaust duct 9 forms the counter electrode or has attachments for one or more counter-electrodes attached thereto.
  • the counter electrode can be grounded.
  • the high-voltage electrode 13 is preferably electrically connected to an electronic high-voltage generation and control device 23 via an electrode guide 15, an insulator mandrel 17 and a high-voltage cable 19.
  • the electrode guide 15 is guided through an opening 25 in the wall of the exhaust passage 9 to the outside.
  • Electrode side, the electrode guide 15 is carried out with an electrode attachment 27 to which the high-voltage electrode 13 is mounted, reference is releasably secured Alternatively, electrode guide 15 and electrode 13, electrode guide 15 and insulator 17th or all three components form a tightly connected entity.
  • Insulator side, the electrode guide 15 is designed such that it releasably inserted into a coupling 29, which isolator 17 and electrode guide 15 connects.
  • the coupling 29 merely consists of a hole-like guide in the insulator mandrel 17.
  • the insulator mandrel 17 carries an insulator 31, which is preferably lamellar and tapered toward the electrode side, the lamellae 33 spaced layers of radial thickening of the base diameter 35 of the insulator 31 represent.
  • the insulator mandrel 17 protrudes from the tip of the insulator, in particular in the tapering direction, into the electrode guide 15 and the electrode attachment 27. Insulator mandrel 17 and electrode guide 15 form an arm with the electrode fixture 27 for holding an electrode 13.
  • the insulator 31 is detachably inserted in an insulator mount 37, which is designed in such a way that in the inserted position a high-voltage cable 19 establishes an electrical connection between insulator mandrel 17 and high-voltage generating and control electronics 23.
  • the electrical connection between the insulator mandrel 17 and high voltage cable 19 as well as the high voltage cable itself are carried out against the console 41 and the restoring elements 43 electrically insulating.
  • a power supply 39 ensures the electrical supply.
  • the insulator holder 37 is flexibly mounted on a bracket 41.
  • the console 41 is fixed to the chimney 9 by means of a mounting means (not shown) immovably at a mounting location 40.
  • Resetting elements 43 provide flexibility, so that a force acting on the electrode 13, Elektrodenschreibung 15 or insulator mandrel 17 can be accommodated by change in position and with decreasing force reset the basic position, preferably rebounding, can be taken again.
  • the restoring elements 43 act simultaneously as joints, kinks and memory for the restoring force.
  • a plurality of restoring elements 43 are used.
  • four similar restoring elements are used.
  • the four restoring elements preferably form the corners of a square or rectangle and anchor the insulator mount 37 on the bracket 41.
  • the described flexible mounting of the high-voltage insulator 31 and the high-voltage electrode 13 results in the electrode 13 preferably escaping the electrode guide 15, for example a force emanating from a cleaning brush 45. Jamming or hanging of the cleaning brush 45 on the electrode 13 or electrode guide 15, as well as a deformation of the electrode 13 or electrode guide 15 can be prevented with this arrangement.
  • the deflection movement 46 of the entire electrode holder 45, preferably the high-voltage filter unit 11, due to the action of force during the cleaning movement 47 of a cleaning brush 45, is shown in FIG. Due to the impact forces during cleaning, the electrode holder 49 is strongly deflected.
  • FIG. 3 shows the electrode holder 49 of a high-voltage filter system 12 with a single alternative restoring element 55.
  • the alternative restoring element 55 supports the insulator mount 37 on the console 42.
  • optional restoring elements 57 and 59 which are preferably integrated in the insulator mandrel in the insulator guide, are additionally shown. These further or alternative restoring elements represent buckling points, which further increase the mobility and flexibility of the electrode holder 49 or, if necessary, ensure it alone. All restoring elements described here can be constructed as desired. By way of example, simple mechanical joints, springs, solid-state joints or elastomers are mentioned here.
  • the on the insulator mandrel 18 or on the electrode guide 16 additionally or alternatively placed restoring elements 57 and / or 59 are reasons of space with advantage of a spring, a hinge or a joint.
  • the insulator 31 is shown in detail (stored here in an insulator holder 37 without a spring-suppressing element on the mounting bracket 41).
  • the insulator 31 is inserted positively and non-positively on an insulator holder 37. There are no screws or other fixatives needed.
  • the insulator 31 is tapered towards the top, so it tapers towards the top. This shape allows a minimum size of the particulate filter 11 or 12.
  • the dimensions of the insulator 31 as well as the entire filter 11 or 12 are defined over the stretches. Due to the tapered shape (fir tree shape) increases the isolation distance 61 and thus the breakdown distance in the upper region. In the lower region, the voltages are smaller due to the potential gradient, so that the insulation distance 63 can be kept small.
  • each ohmic resistance R represents a lamella of the insulator 31.
  • An advantageous insulator material is silicone. Silicone has a very high temperature and ozone resistance. Due to its hydrophobic property, it is water and dirt repellent. Creepage currents can thus be reduced to a minimum. The service life of the filter 11 or 12 is thereby maximized. Due to the lamellar shaping, a forming electrically conductive dirt layer will be able to form only with interruptions, thus the lamellar structure efficiently prevents a voltage breakdown on the outer skin of the carnation.
  • the insulator mandrel 17 can be made flexible. This makes it possible that in combination with an elastic insulator material such as silicone, the insulator 31 acts elastically restoring.
  • the electrode 13 itself can be made flexible.
  • Two general embodiments of a rod-shaped self-resetting electrostatic high-voltage electrodes 67 and 69 are shown in Figure 5.
  • flexible self-resetting elements 71 and rigid, rigid members 73 are arranged in alternating order.
  • the electrode In a longitudinally one-piece, ie non-segmented, embodiment (electrode 69 in FIG 5b), the electrode consists of a single self-resetting resilient element 75.
  • Self-resetting resilient elements 71 and 75 may be embodied, for example, as cambered chrome steel spring plates. In FIG.
  • FIG. 6a shows a rod-shaped sheet metal strip 77, which is curved perpendicular to its longitudinal axis.
  • An unperforated long piece of sheet metal is relatively easy to bend in the longitudinal direction. If such a piece of sheet metal is bent transversely to its longitudinal direction, it has a stiffening effect. A bending in its longitudinal axis now requires a greater force than is the case with an unbomb elected sheet metal strip; In addition, the stretched shape of the sheet metal strip resurfaces with greater spring force.
  • FIG. 6b shows two cambered sheet-metal strips 79, which are connected to one another at their respective convex sides, so to speak, back to back, via connecting points 81, such as rivets.
  • FIG. 7a shows curved shape of a cross section of a single cambered spring steel strip 83 .
  • FIG. 7b the arrangement of two sheet metal strips 85 with the respective convex sides pressed against each other is shown in cross section.
  • FIG. 7c the arrangement of three sheet-metal strips 87 with their convex sides on the respective two end regions is shown pressed against one of the other two sheet-metal strips.
  • FIG. 7d shows a cross-section of a spring strip sheet 89 curved in S-shape.
  • FIG. 7e the arrangement of three metal strips 91 is shown in cross section, wherein the metal strips are stacked with convex on concave side against each other.
  • FIG. 7f an arrangement of four sheet-metal strips 93 is shown in cross-section, with two first sheet-metal strips with the respective convex sides being arranged against one another and the two further sheet-metal strips with the convex sides being arranged on the concave outer sides of the first two sheet-metal strips.
  • Sheet metal strips with these cross sections and these arrangements or with similar cross sections and arrangements can be used as electrodes 75 or as electrode sections 71 in conjunction with rigid intermediate elements 73 according to FIGS. 5a and 5b.
  • the edges of the metal strips are as tapered as possible, so that the electrostatic Koronalent- charge runs as homogeneous and reliable.
  • alignment and curvature are contrasted with a self-resetting high-voltage electrode 67 in the operating position (FIG. 8 a) and upon removal of the electrode during, for example, maintenance (FIG. 8 b). Due to the restoring spring force, the electrode is stretched in the operating position (FIG. 8a). The spring force counteracts electrical forces which could cause the electrode 67 to oscillate. Upon removal of the electrode 67 from the exhaust duct 9 this bends due to the applied muscle power of entrusted with the maintenance, installation or cleaning of the plant a person, whereby the removal of the electrode 67 is facilitated.
  • electrode holder 48 or 49 and electrodes 13 will be described functionally.
  • the exhaust gas rising in the exhaust duct 9 of a chimney with a described filter unit 11 or 12 is field-ionized in the passage in the vicinity of the electrode 13.
  • This dust particles are electrostatically charged and deposited on the counter electrode.
  • the inner surface of the exhaust duct 9 can serve here for example as a counter electrode.
  • the resulting particulate matter debris flow is occasionally removed from the chimney sweep in smaller installations, such as in private wood-burning fireplaces and wood heating systems.
  • the cleaning can be carried out from below or from above. However, the procedure is often country-specific.
  • cleaning brushes and brushes 45 may be pushed up by hand. If the electrode 13 itself is flexible or has its holder 48 or 49 flexibly mounted, the electrode 13 and optionally the flexible electrode holder 48 or 49 are pushed by the brush 45 to the side and / or upwards. The electrode 13 thus does not constitute an obstacle to the prescribed cleaning. The cleaning can be done quickly and safely.
  • the flexible electrode holder 48 or 49 can be easily pushed aside because of their flexibility and optionally the electrode 13 are removed.
  • a flexible electrode 13 (such as electrode 67 or 96 according to Figure 5) has been installed, this step is particularly simple, because the bendable electrode kinks when touched or when deflecting the lot and can be easily pulled out of the narrow opening 25 , If deemed necessary, the isolator 31 with mandrel 17 or 18 can also be removed. The opening 25 of the exhaust passage 9 is thereby freely accessible.
  • Electrode 13 nor electrode holder 48 or 49 thus form an obstacle to the prescribed cleaning.
  • the cleaning can be done quickly and safely. Disassembly and reassembly are quick and easy. Since the items to be moved are relatively small and handy, it ensures good stability of the chimney sweep and thus its safety.
  • the electrode holder 48 or 49 and the electrode 13 due to their flexibility without disassembly only to the side to push and introduce the cleaning brush from the exhaust gas outlet opening 95 or from the electrode inlet opening 25 ago in the exhaust duct 9.
  • the exhaust duct can still be used 9 and electrode 13 are serviced and / or cleaned from the roof.
  • the flexible electrode can be removed from the holder and can be brought out of the exhaust gas channel 9 due to its flexibility through the electrode insertion opening 25.
  • the resetting spring forces are all designed in such a way that the springs give way slightly under the forces that act during cleaning and maintenance, but that under operating conditions the parts of the plant remain firmly fixed relative to the chimney and have no vibrations.

Landscapes

  • Electrostatic Separation (AREA)

Abstract

L'invention concerne un élément de retenue pour une électrode haute tension électrostatique (13), présentant un isolant haute tension (31), au moins un bras (15, 16, 17, 18), côté électrode de l'isolant (31), muni d'un moyen de maintien (27) destiné à maintenir une électrode haute tension suspendue de préférence verticalement au moyen de maintien (27), et au moins un moyen de montage, côté montage de l'isolant (31), destiné au montage de l'élément de retenue sur un emplacement de montage (40) à l'extérieur d'un canal d'évacuation des gaz (9) d'une cheminée. L'invention est caractérisée en ce que l'élément de retenue est équipé d'au moins un élément de rappel (43, 55, 56, 57, 59) qui forme une liaison articulée entre le ou les moyens de montage et le moyen de maintien (27) et qui, lors du nettoyage du canal d'évacuation des gaz (9) à l'aide d'un appareil de nettoyage, permet une déviation du moyen de maintien et le cas échéant d'une électrode haute tension fixée sur ce dernier par rapport à la position de fonctionnement, ainsi qu'un rappel automatique dans la position de fonctionnement.
EP10785318.6A 2009-11-18 2010-11-18 Électrode et système de filtration de poussière fine électrostatique Active EP2501480B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK13197531.0T DK2712678T3 (en) 2009-11-18 2010-11-18 A holder for an electrode and electrostatic finstøvfiltreringsanlæg holder with
PL13197531T PL2712678T3 (pl) 2009-11-18 2010-11-18 Uchwyt elektrody i układ elektrostatycznego odpylania drobnego pyłu zawierający taki uchwyt
EP13197531.0A EP2712678B1 (fr) 2009-11-18 2010-11-18 Support pour une électrode et installation de filtrage de poussières électrostatiques fines comprenant ce support
PL10785318T PL2501480T3 (pl) 2009-11-18 2010-11-18 Elektroda i elektrostatyczna instalacja filtrująca drobny pył

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01772/09A CH702246A1 (de) 2009-11-18 2009-11-18 Elektrostatische Feinstaubfilteranlage, Halterung für eine Elektrode und Elektrode dafür.
PCT/CH2010/000291 WO2011060562A1 (fr) 2009-11-18 2010-11-18 Système de filtration de poussière fine électrostatique, élément de retenue pour une électrode et électrode correspondante

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP13197531.0A Division EP2712678B1 (fr) 2009-11-18 2010-11-18 Support pour une électrode et installation de filtrage de poussières électrostatiques fines comprenant ce support
EP13197531.0A Division-Into EP2712678B1 (fr) 2009-11-18 2010-11-18 Support pour une électrode et installation de filtrage de poussières électrostatiques fines comprenant ce support

Publications (2)

Publication Number Publication Date
EP2501480A1 true EP2501480A1 (fr) 2012-09-26
EP2501480B1 EP2501480B1 (fr) 2014-08-13

Family

ID=42355365

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10785318.6A Active EP2501480B1 (fr) 2009-11-18 2010-11-18 Électrode et système de filtration de poussière fine électrostatique
EP13197531.0A Active EP2712678B1 (fr) 2009-11-18 2010-11-18 Support pour une électrode et installation de filtrage de poussières électrostatiques fines comprenant ce support

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP13197531.0A Active EP2712678B1 (fr) 2009-11-18 2010-11-18 Support pour une électrode et installation de filtrage de poussières électrostatiques fines comprenant ce support

Country Status (7)

Country Link
US (1) US9333513B2 (fr)
EP (2) EP2501480B1 (fr)
CA (2) CA2816926C (fr)
CH (1) CH702246A1 (fr)
DK (2) DK2501480T3 (fr)
PL (2) PL2712678T3 (fr)
WO (1) WO2011060562A1 (fr)

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Publication number Priority date Publication date Assignee Title
FR2979258B1 (fr) * 2011-08-29 2019-06-21 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif de collecte electrostatique de particules en suspension dans un milieu gazeux
GB201401520D0 (en) * 2014-01-29 2014-03-12 Batmark Ltd Aerosol-forming member
FR3022806B1 (fr) * 2014-06-25 2019-06-21 Commissariat A L'energie Atomique Et Aux Energies Alternatives Collecteur electrostatique
CN105551874B (zh) * 2016-03-04 2017-12-05 杭州天明电子有限公司 一种电除尘器及其隔离开关
CL2018001739A1 (es) * 2018-06-25 2018-08-24 Soto Espinace Ricardo Un sistema de precipitación electrostática que permite capturar material particulado en equipo de combustión como estufas residenciales, calderas y hornos de combustión de biomasa, como leña, pellet y carbón.
CN109876578A (zh) * 2019-03-22 2019-06-14 黎明职业大学 一种快速清理漆粒的废气处理装置及清理方法
CN111389587B (zh) * 2020-02-13 2022-01-11 济南春生机械有限公司 一种物料粉碎除尘装置和破碎除尘方法

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Also Published As

Publication number Publication date
EP2712678A2 (fr) 2014-04-02
PL2712678T3 (pl) 2016-01-29
US9333513B2 (en) 2016-05-10
EP2712678A3 (fr) 2014-05-28
CA2966896C (fr) 2018-07-10
WO2011060562A1 (fr) 2011-05-26
DK2712678T3 (en) 2015-09-28
CH702246A1 (de) 2011-05-31
US20140083297A1 (en) 2014-03-27
DK2501480T3 (da) 2014-11-10
CA2816926C (fr) 2018-01-30
EP2712678B1 (fr) 2015-07-15
CA2966896A1 (fr) 2011-05-26
EP2501480B1 (fr) 2014-08-13
CA2816926A1 (fr) 2011-05-26
PL2501480T3 (pl) 2015-03-31

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