CN105233988A - Semi-wet electrostatic dust collector - Google Patents
Semi-wet electrostatic dust collector Download PDFInfo
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- CN105233988A CN105233988A CN201510593461.9A CN201510593461A CN105233988A CN 105233988 A CN105233988 A CN 105233988A CN 201510593461 A CN201510593461 A CN 201510593461A CN 105233988 A CN105233988 A CN 105233988A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The invention discloses a semi-wet electrostatic dust collector and belongs to the technical fields of dust removal, waste gas treatment and environment protection. According to the semi-wet electrostatic dust collector, dust in airflow is charged firstly by means of a pre-charger, and then the airflow is made to flow through round plate type dust collecting electrodes which are vertically arranged in parallel; the lower half portions of the round plate type dust collecting electrodes are soaked in electrolyte solutions; the round plate type dust collecting electrodes rotate continuously under the action of a transmission shaft; the disc surfaces of every two adjacent round plate type dust collecting electrodes are soaked in two separated solution grooves respectively, and the electrolyte water solutions in every two adjacent solution grooves are loaded with voltages with different electric potentials respectively; liquid films exist on the solution grooves continuously along with the continuous rotation of the round plate type dust collecting electrodes, and the round plates with different electric potentials are used for adsorbing dust with different chargers respectively and eluting the adsorbed dust into the electrolyte water solutions continuously. The semi-wet electrostatic dust collector is high in dust removing efficiency, air resistance is quite small, and the semi-wet electrostatic dust collector is extremely suitable for indoor air purification.
Description
Technical field
The present invention relates to a kind of half wet cottrell, belong to electric precipitation, waste gas pollution control and treatment and environmental protection technical field.
Background technology
Along with China's rapid development of economy, the gray haze air pollution of China big and medium-sized cities, developed area and basic industries close quarters is day by day serious.Along with China constantly comes into operation for increasingly strict, the relevant green technology of restriction of SOx and NOx emission and device, in China's atmospheric environment, the gross contamination emission amplification of SOx and NOx slows down, but, from current monitoring result, the gray haze of each section of China's Yangtze River Delta, Pearl River Delta and Jing-jin-ji region is polluted and is on the rise on the contrary, and the healthy and economic sustainable development of the common people has been arrived in serious threat.Pollute going deep into of research of tracing to the source along with current for gray haze, it has been found that, in China Brownish haze, PM10 particle share day by day reduces, and PM2.5 even PM1.0 particle increases greatly, and these particles come from VOCs, NOx and SO mostly
2the coupling of multiple discharge, its extinction capability is strong, toxicity large, has become the air environmental pollution problem that China is the most serious.
Numerous pollution industry is related to owing to administering industrial gasses discharge; its difficulty of governance is very large; therefore a lot of expert thinks; the change of atmospheric air quality needs 10 years just can see improvement at least; therefore, protection Chinese health of human body is become at present the most effectively and the most direct means to the purification of room air.
Haze scheme of removing for indoor air purification generally selects HEPA filter membrane, this is one air filting material very efficiently, even can remove the subparticle of below PM1.0, be the most ripe current also the most widely used air purification method, but the shortcoming of this method is also apparent, the air drag of HEPA film is very large, therefore in order to obtain enough air quantity, HEPA generally needs to be equipped with larger blower fan, this results in larger power consumption and noise; In addition, HEPA is after effectively having filtered dust granules, and the bacterium being attached to dust granules surface in a large number also can at HEPA surface colonization, therefore HEPA must regularly replace, for the region that air pollution is serious, the life-span of HEPA is very short, and this all brings higher cost.
The technology adopting the scheme of electric precipitation to carry out indoor air purification also has certain application, and this technical scheme imitates the device of industrial electro dedusting: first use corona discharge electrode to carry out charged to particle in air-flow, and the electrically contrary dust collector pole of recycling catches particle.The method is due to without any filtration material, and therefore vapour lock is very low, is easy to the air-treatment realizing Wind Volume, but its shortcoming is also clearly: the first, and in this method, corona discharge electrode has the possibility producing ozone secondary pollution; The second, single district electric field has been proved to be for PM2.5 and following particle very poor efficiency; 3rd, multi-region electric field is proved to be has certain effect for sticky particles (as smoke from cigarette), but for the subparticle poor effect of drying, main cause is that the subparticle load quantity of electric charge is few, and easily lose electric charge and leave dedusting pole, therefore the technical scheme of the common electric precipitation of single use is difficult to realize the abundant purification to subparticle in room air.
Wet-esp is a novel dust removing technology full-fledged gradually on dry electric precipitation basis, the place that this technology is different from dry electric precipitation is the moisture film being formed one deck flowing by the method for overflow or spraying on collecting polar plate face, any particle arriving dust collector pole surface because of electrostatic force all can be caught by moisture film, in this way greatly improves the seizure effect of electro dust removing method for subparticle.But owing to using high-pressure electrostatic equally, so necessary interval is enough large between corona discharge electrode and dust collector pole, both arrangements are also very exquisite, to avoid the accident that electrical breakdown occurs.Therefore this technical scheme is not still obtaining application to equipment volume and the extreme harsh domestic air purification field of security requirement.
The particle that the method for employing washing is removed in room air is also a kind of technical scheme having dropped into application, and the program is that air is blown over larger wetted surface, is adhered on a solid surface by particle wherein, then the method passing through to wash is by particle removal.This scheme has certain effect for larger dust granule, fiber and pollen, but for the even following particle of the PM2.5 in current China air then unusual poor efficiency, because these subparticles are very good with air flow property, utilize the method for inertial separation almost can not be removed.
Spraying washing is also the alternative removing subparticle in room air, and the program is that the little droplet of atomization catches particle wherein when contacting with air, finally particulate in air is being removed by demist with nozzle by water ejection atomization.In the very similar natural atmosphere of this method, rainfall disappears the process of haze, but its shortcoming also clearly: the first, and this method needs to use nozzle, and need liquid or the gas of certain pressure, this can bring extra equipment investment, also brings certain noise; The second, this method can cause the problem of room air " excessive humidification ", people can be made not feel well in the rainy season that humidity is higher; 3rd, the running water that the washings for spraying are common often, for for the more water of mineral matter, spraying can force water evaporates, causes water mineral to become dust granules in air, increases indoor particle substrate concentration.
The present inventor once proposed the technical scheme (CN201410104461.3) utilizing the bottom rotary turnplate be immersed in water to remove subparticle in air as dust collecting electrode, this technical scheme utilizes the moisture film of rotating disc surfaces as the medium that gathers dust, effectively can fix dried dust and thickness dust, solve particle in common electric cleaner and easily lose electric charge and the problem of escaping, but this technical scheme also has its obvious defect: in technical scheme CN201410104461.3, each rotating disk is same potential, the particle of load this and dust collecting electrode opposite charges can only be caught, but, when dust granules is very tiny, its charging mechanism will be taken as the leading factor from electric-field charge and be changed diffusional charging into and take as the leading factor, the effect of diffusional charging does not have obvious charge-selective, no matter be therefore positive corona or negative corona, dust granules will by while load positive electricity and negative electricity, this causes the technical scheme disclosed in CN201410104461.3 for the dust granules removal effect of less than 1.5 microns lower than 80%.
Make a general survey of all these technology, China's room air except haze field urgently a kind of low vapour lock, high flux, low noise, do not need to change the high-effective dust-removing technical scheme of assembly.
Summary of the invention
The object of the invention is to be obtained by the simple method of one that there is low vapour lock, high-throughout high effect dust cleaner.This device possesses the advantage of wet static dedusting, simultaneously simple, can not introduce liquid dispensing apparatus, need not change any assembly, only need regularly replace water in water tank just can, also can not there is the excessive situation of humidification in addition.
The object of the invention is to realize by the following technical solutions: the pre electrified electric field air of dust-laden being flow through be mounted with corona discharge electrode and dust collector pole, then air is made to flow through the board-like dust collecting electrode of horizontal vertical circular, the quantity of circular plate type dust collecting electrode more than or equal 2 pieces, the card of circular plate type dust collecting electrode is parallel with air flow, the latter half of circular plate type dust collecting electrode is immersed in containing in the electrolytical aqueous solution, circular plate type dust collecting electrode is placed on a trunnion axis with identical distance, trunnion axis is by the center of circle of circular plate type dust collecting electrode, trunnion axis is driven by a motor, circular plate type dust collecting electrode is constantly rotated, and keep the aerial surface of circular plate type dust collecting electrode to have one deck electrolyte aqueous solution film all the time, the latter half of the adjacent disc of circular plate type dust collecting electrode is immersed in two not connected electrolyte aqueous solution liquid baths, come with the baffle for separating of zigzag crippling between these two electrolyte aqueous solution liquid baths, two electrolyte aqueous solution liquid baths are load zero potentials and positive potential or zero potential and negative potential respectively, make the electrolyte aqueous solution film of the circular plate type dust collecting electrode disc surface be immersed in the wherein electromotive force that also load is identical with institute submergence electrolyte aqueous solution, thus make horizontal circular plate type dust collecting electrode present height, the form that low potential back and forth arranges, the diameter of circular plate type dust collecting electrode is 5cm ~ 100cm, the spacing of circular plate type dust collecting electrode is 0.8cm ~ 10cm, there is between circular plate type dust collecting electrode and the trunnion axis of electrode drive electric insulation packing ring, to realize the electric insulation between trunnion axis and circular plate type dust collecting electrode, can be attracted in the electrolyte aqueous solution liquid film being attached to circular plate type dust collecting electrode surface because of the effect of electrostatic force from the charged particle the air flow through between circular plate type dust collecting electrode, and come off by electrolyte aqueous solution washing along with the rotation of circular plate type dust collecting electrode.
The feature of this air dedusting purifier is also: the charged voltage of the pre electrified electric field of clarifier front end is 3 ~ 20kV, round silk, astroid, the helix of corona very nominal diameter 0.1 ~ 1mm, and die opening is 0.5 ~ 10cm; The material of circular plate type dust collecting electrode is stainless steel, steel, iron, the aluminum and its alloy of surface granosealing; The material of circular plate type dust collecting electrode can also be sieve and silica-sesquioxide pottery, cordierite ceramic, mullite ceramic, SiC ceramic, aluminium oxide ceramics, feldspathic pottery, Apatite Ceramic that surface does not have glaze layer; The material of circular plate type dust collecting electrode or the polyvinyl chloride of surface hydrophilic modification, polymethyl methacrylate, polypropylene, polyethylene, PETG, polyformaldehyde, Merlon, phenolic resins or acrylonitrile-butadiene-styrene (ABS) plastics; The rotating speed of circular plate type dust collecting electrode is 1rpm ~ 100rpm; The electrolyte solution of adjacent circular plate type dust collecting electrode institute submergence is load zero potential and high potential or zero potential and low potential respectively, and the voltage of high potential is+3 ~+20kV, and the voltage of low potential is-3 ~-20kV.
The electrolyte aqueous solution poured in the sink is the aqueous solution of antiseptic, and antiseptic is DTAB, DTAC, TTAB, tetradecyl trimethyl ammonium chloride, softex kw, hexadecyltrimethylammonium chloride, Cetyltrimethylammonium bromide, OTAC, triclosan, chlorhexidine acetate, benzalkonium bromide, benzalkonium chloride, potassium sorbate, sodium pyrithione, ZPT, copper pyrithione, 1-ethyl-3-methyllimidazolium bromide, iodate 1-ethyl-3-methylimidazole, bromination 1-propyl group-3-methylimidazole, iodate 1-propyl group-3-methylimidazole, chlorination 1-butyl-3-methylimidazole, 1-butyl-3-methylimidazolium bromide, iodate 1-butyl-3-methylimidazole, chlorination 1-hexyl-3-methylimidazole, bromination 1-hexyl-3-methylimidazole, iodate 1-hexyl-3-methylimidazole, chlorination 1-octyl group-3-methylimidazole, bromination 1-octyl group-3-methylimidazole, iodate 1-hexyl-3-methylimidazole, chlorination 1-decyl-3-methylimidazole, bromination 1-decyl-3-methylimidazole, iodate 1-decyl-3-methylimidazole, chlorination 1-benzyl-3-methylimidazole, bromination 1-benzyl-3-methylimidazole, iodate 1-benzyl-3-methylimidazole, chlorination 1-dodecyl-3-methylimidazole, bromination 1-dodecyl-3-methylimidazole, iodate 1-dodecyl-3-methylimidazole, chlorination 1-myristyl-3-methylimidazole, bromination 1-myristyl-3-methylimidazole, iodate 1-myristyl-3-methylimidazole, chlorination 1-cetyl-3-methylimidazole, bromination 1-cetyl-3-methylimidazole, iodate 1-cetyl-3-methylimidazole, PCMX, C5H6Br2N2O2, BCDMH, two chlordantoins, the mixture of any one or arbitrary proportions several arbitrarily in the middle of 5,5-DMH.
Air dedusting purifier disclosed in this invention, without any filtering material, its vapour lock is very little, simultaneously due under circular plate type dust collecting electrode the latter half is immersed in electrolyte aqueous solution liquid level, and circular plate type dust collecting electrode is constantly rotated, can ensure that circular plate type dust collecting electrode constantly has moisture film to cover, thus efficiently catch dust granules, in addition, the dust granules be captured can be entered in tank by washing when circular plate type dust collecting electrode rotates to liquid level, for nitrate granules common in current air, sulphate particle, ammonium salt particle all can be dissolved in the aqueous solution in tank immediately, it is avoided to escape and again enter in air-flow.In addition, because the aqueous solution in tank contains antiseptic, can effectively kill the bacterium being attached to dust granules surface, air that is clean and bio-safety is provided to room, and antimicrobial can ensure can not produce algae in tank, also can not produce peculiar smell in the season that bacterium is easy to grow and go bad.In the season that influenza is multiple in the winter time, can a small amount of Tamiflu be dissolved in tank, the risk of population infection influenza in room can be reduced like this.
Accompanying drawing explanation
In order to make the technical program more clear, listing five accompanying drawings and illustrating further to provide.Wherein, Fig. 1 is a kind of front view of deduster design, top view, dorsal view, side view and two profiles; Fig. 2 is that the solid of the technical scheme of Fig. 1 disassembles oblique view; Fig. 3 is a kind of detailed construction schematic diagram of pre electrified electric field; Fig. 4 is a kind of separation mode schematic diagram of liquid bath; Fig. 5 is that the solid of the deduster of another kind of different liquid bath diaphragm structure design disassembles oblique view.
A kind of design of this apparatus module as shown in Figure 1, in Fig. 1, A is the rear view of device, B is the side view of device, C is the front view of device, D is the top view of device, E be in device B figure along I-I to profile, F be in device B figure along II-II to profile, figure notation meaning in each figure is as follows: 1: device top cover, 2: device box, 3: gas outlet, 4: circular plate type dust collecting electrode, 5:U type overfall (for controlling the liquid level of a liquid bath in casing), 6:U type overfall (for controlling the liquid level of another liquid bath in casing), 7: dividing plate (for splitting the liquid bath that two have different electromotive force), (two U-shaped overfalls are under the jurisdiction of two different liquid baths respectively, and the peak of overfall 1 ~ 2cm lower than casing internal partition peak, can prevent from like this adding during liquid feeding overfill and cause separated two liquid baths to be mutually communicated with), 8: air inlet, 9: the collecting plate of pre electrified electric field, 10: the corona discharge electrode of pre electrified electric field, 11: filling opening (for giving a liquid bath liquid feeding in casing), 12: filling opening (for giving another liquid bath liquid feeding in casing), two filling openings are closed in order to avoid leak gas in operating process after liquid feeding, 13: motor, 14: plate (has two pieces, for sealed horizontal axle to the space of casing upper limb), 15: electrode terminal (applying voltage for giving the liquid of a liquid bath in casing), 16: electrode terminal (applying voltage for giving the liquid of another liquid bath in casing), 17: charge air flow, 18: go out entraining air stream, 19: trunnion axis.
In order to make device represented by Fig. 1 clearly, Fig. 2 A and B sets forth the stravismus installation diagram of this device from rear and front, the assembly relation of multiple circular plate type dust collecting electrode, plate and device top cover that the reciprocal dividing plate of zigzag in the corona discharge electrode of main manifestations device box, air inlet/outlet, pre electrified electric field and pole plate, inlet duct casing, trunnion axis are settled, figure notation meaning is wherein identical with Fig. 1, for the purpose of removing, Fig. 2 does not indicate filling opening and electrode terminal.
Fig. 3 gives a kind of Design Mode of pre electrified electric field, this pattern adopts the board-like pre-load electric apparatus of line, but the form of the composition of pre-load electric apparatus is not construed as limiting, pre-load electric apparatus also can be spool formula, simultaneously, Fig. 3 is not also electrically construed as limiting the corona discharge electrode of pre electrified electric field of the present invention, corona discharge electrode can load positive electricity also can load negative electricity.Fig. 3 emphasis gives the configuration of the pre electrified electric field be placed in air inlet, and wherein figure notation meaning is identical with Fig. 1, its 20 and 21 high voltage source binding post representing pre-load electric apparatus respectively.Wherein Fig. 3 A is the front view of the pre-load electric apparatus constructed in the middle of air inlet, Fig. 3 B is the dorsal view of the pre-load electric apparatus constructed in the middle of air inlet, Fig. 3 C is the oblique view of the pre-load electric apparatus constructed in the middle of air inlet, and Fig. 3 D is the side view of the pre-load electric apparatus constructed in the middle of air inlet.Fig. 1,2,3 can not be construed as limiting the configuration design of the number of devices casing of circular plate type dust collector pole of the present invention.
In order to remove the distributed relation of two the mutually different liquid baths represented in equipment box, Fig. 4 gives a kind of segmentation design of liquid bath, two kinds of liquid baths wherein with different electromotive force are distinguished by blank and the filling of two point horizontal line, the electrode terminal of two liquid baths is also have expressed in Fig. 4, one of them liquid bath ground connection (zero potential), another liquid bath connects the negative pole of high voltage source, in this case, the pre-load electric apparatus of front end should be positive corona, but this is construed as limiting to the electrode arrangement position of the technical program and type of electrodes, the pre-load electric apparatus of leading portion also can be negative corona, the liquid bath that then two, rear end is not connected load zero potential (ground connection), another connects the positive pole of high voltage source.Figure notation meaning in Fig. 4 is identical with Fig. 1.
Fig. 1, 2, in the 4 device liquid baths provided, the dividing plate form of two kinds of electrolyte aqueous solutions can not be construed as limiting the technical program, as long as it is just passable to ensure that the adjacent plate of circular plate type dust collecting electrode is immersed in different electrical not connected different liquid baths, Fig. 5 gives the design form of another kind of dividing plate, this design adopts circular-arc bottom face design, also the needs of the technical program can be completed, as long as it is just passable namely to ensure that the adjacent plate of adjacent circular plate type dust collecting electrode is immersed in different electrical not connected different liquid baths, figure notation meaning in Fig. 4 is identical with Fig. 1.
Detailed description of the invention
The object of the invention is to realize by the following technical solutions: the pre electrified electric field air of dust-laden being flow through be mounted with corona discharge electrode and dust collector pole, then air is made to flow through the board-like dust collecting electrode of horizontal vertical circular, the quantity of circular plate type dust collecting electrode more than or equal 2 pieces, the card of circular plate type dust collecting electrode is parallel with air flow, the latter half of circular plate type dust collecting electrode is immersed in containing in the electrolytical aqueous solution, circular plate type dust collecting electrode is placed on a trunnion axis with identical distance, trunnion axis is by the center of circle of circular plate type dust collecting electrode, trunnion axis is driven by a motor, circular plate type dust collecting electrode is constantly rotated, and keep the aerial surface of circular plate type dust collecting electrode to have one deck electrolyte aqueous solution film all the time, the latter half of the adjacent disc of circular plate type dust collecting electrode is immersed in two not connected electrolyte aqueous solution liquid baths, come with the baffle for separating of zigzag crippling between these two electrolyte aqueous solution liquid baths, two electrolyte aqueous solution liquid baths are load zero potentials and positive potential or zero potential and negative potential respectively, make the electrolyte aqueous solution film of the circular plate type dust collecting electrode disc surface be immersed in the wherein electromotive force that also load is identical with institute submergence electrolyte aqueous solution, thus make horizontal circular plate type dust collecting electrode present height, the form that low potential back and forth arranges, the diameter of circular plate type dust collecting electrode is 5cm ~ 100cm, the spacing of circular plate type dust collecting electrode is 0.8cm ~ 10cm, there is between circular plate type dust collecting electrode and the trunnion axis of electrode drive electric insulation packing ring, to realize the electric insulation between trunnion axis and circular plate type dust collecting electrode, can be attracted in the electrolyte aqueous solution liquid film being attached to circular plate type dust collecting electrode surface because of the effect of electrostatic force from the charged particle the air flow through between circular plate type dust collecting electrode, and come off along with the rotation of circular plate type dust collecting electrode enter in electrolyte aqueous solution by electrolyte aqueous solution washing.
The feature of this air dedusting purifier is also: the charged voltage of the pre electrified electric field of clarifier front end is 3 ~ 20kV, round silk, astroid, the helix of corona very nominal diameter 0.1 ~ 1mm, and die opening is 0.5 ~ 10cm; The material of circular plate type dust collecting electrode is stainless steel, steel, iron, the aluminum and its alloy of surface granosealing; The material of circular plate type dust collecting electrode can also be sieve and silica-sesquioxide pottery, cordierite ceramic, mullite ceramic, SiC ceramic, aluminium oxide ceramics, feldspathic pottery, Apatite Ceramic that surface does not have glaze layer; The material of circular plate type dust collecting electrode or the polyvinyl chloride of surface hydrophilic modification, polymethyl methacrylate, polypropylene, polyethylene, PETG, polyformaldehyde, Merlon, phenolic resins or acrylonitrile-butadiene-styrene (ABS) plastics; The rotating speed of circular plate type dust collecting electrode is 1rpm ~ 100rpm; The electrolyte solution of adjacent circular plate type dust collecting electrode institute submergence is load zero potential and high potential or zero potential and low potential respectively, and the voltage of high potential is+3 ~+20kV, and the voltage of low potential is-3 ~-20kV.
The electrolyte aqueous solution poured in the sink is the aqueous solution of antiseptic, and antiseptic is DTAB, DTAC, TTAB, tetradecyl trimethyl ammonium chloride, softex kw, hexadecyltrimethylammonium chloride, Cetyltrimethylammonium bromide, OTAC, triclosan, chlorhexidine acetate, benzalkonium bromide, benzalkonium chloride, potassium sorbate, sodium pyrithione, ZPT, copper pyrithione, 1-ethyl-3-methyllimidazolium bromide, iodate 1-ethyl-3-methylimidazole, bromination 1-propyl group-3-methylimidazole, iodate 1-propyl group-3-methylimidazole, chlorination 1-butyl-3-methylimidazole, 1-butyl-3-methylimidazolium bromide, iodate 1-butyl-3-methylimidazole, chlorination 1-hexyl-3-methylimidazole, bromination 1-hexyl-3-methylimidazole, iodate 1-hexyl-3-methylimidazole, chlorination 1-octyl group-3-methylimidazole, bromination 1-octyl group-3-methylimidazole, iodate 1-hexyl-3-methylimidazole, chlorination 1-decyl-3-methylimidazole, bromination 1-decyl-3-methylimidazole, iodate 1-decyl-3-methylimidazole, chlorination 1-benzyl-3-methylimidazole, bromination 1-benzyl-3-methylimidazole, iodate 1-benzyl-3-methylimidazole, chlorination 1-dodecyl-3-methylimidazole, bromination 1-dodecyl-3-methylimidazole, iodate 1-dodecyl-3-methylimidazole, chlorination 1-myristyl-3-methylimidazole, bromination 1-myristyl-3-methylimidazole, iodate 1-myristyl-3-methylimidazole, chlorination 1-cetyl-3-methylimidazole, bromination 1-cetyl-3-methylimidazole, iodate 1-cetyl-3-methylimidazole, PCMX, C5H6Br2N2O2, BCDMH, two chlordantoins, the mixture of any one or arbitrary proportions several arbitrarily in the middle of 5,5-DMH.Enumerate several specific embodiment below, to understand the present invention further:
Embodiment 1:
By 3 diameter 0.2mm, length 20cm wire is as corona discharge electrode, between the dust collector pole being placed in four leaf length 20cm width 8cm respectively, Technical Supervision Bureau 2cm, make pre electrified device, corona discharge electrode connects high-voltage power cathode, be set to 5000V, dust collecting pole plate ground connection, be placed in the air inlet of deduster, in the gas treatment case of deduster, getting 10 diameters is that the aluminum disk of 20cm is as circular plate type dust collecting electrode, be fixed on a power transmission shaft, power transmission shaft diameter 1cm, each disc interval 2cm, adjacent disc is placed in separated different liquid bath, it is the benzalkonium bromide solution of 0.5% in liquid bath, one of them liquid bath ground connection, another liquid bath connects high voltage source negative pole, voltage is 5000V, the liquid level of liquid bath is lower than demarcation strip upper limb 1cm, circular plate type dust collecting electrode rotating speed 10rpm, just this electrostatic dedusting purifier is obtained, smoke from cigarette can be removed 95% by this device.
Embodiment 2:
By 12 diameter 0.1mm, length 5cm astroid is as corona discharge electrode, be placed in 12 respectively and be parallel to airflow direction, on the center line of the metallic cylinder dust collector pole of diameter 1cm arranged in parallel, pre electrified device, corona discharge electrode connects high voltage source negative pole, be set to 3000V, dust collecting pole plate ground connection, be placed in the air inlet of deduster, in the gas treatment case of deduster, getting 15 diameters is that the steel disk of the alramenting of 5cm is as circular plate type dust collecting electrode, be fixed on a power transmission shaft, power transmission shaft diameter 0.5cm, each disc interval 0.8cm, adjacent disc is placed in separated different liquid bath, it is the PCMX ammonium salt solution of 0.1% in liquid bath, one of them liquid bath ground connection, another liquid bath connects high-voltage power cathode, voltage is 3000V, the liquid level of liquid bath is lower than demarcation strip upper limb 1cm, circular plate type dust collecting electrode rotating speed 100rpm, just this electrostatic dedusting purifier is obtained, this device can by the particle removal 97% of particle diameter 2 microns.
Embodiment 3:
By 1 diameter 1mm, length 20cm spiral filament is as corona discharge electrode, between the dust collector pole being placed in two leaf length 20cm width 8cm respectively, die opening 10cm, make pre electrified device, corona discharge electrode connects high-voltage power cathode, be set to 20kV, dust collecting pole plate ground connection, be placed in the air inlet of deduster, in the gas treatment case of deduster, getting 20 diameters is that the hydrophilic modifying PVC disk of 30cm is as circular plate type dust collecting electrode, be fixed on a power transmission shaft, power transmission shaft diameter 2cm, each disc interval 4cm, adjacent disc is placed in separated different liquid bath, it is the potassium sorbate solution of 0.5% in liquid bath, one of them liquid bath ground connection, another liquid bath connects high voltage source negative pole, voltage is 20kV, the liquid level of liquid bath is lower than demarcation strip upper limb 2cm, circular plate type dust collecting electrode rotating speed 1rpm, just this electrostatic dedusting purifier is obtained, this device can by 2.5 microns of removals 93% in air.
Embodiment 4:
By 3 diameter 0.2mm, length 50cm astroid is as corona discharge electrode, between the dust collector pole being placed in four leaf length 50cm width 10cm respectively, die opening 2.5cm, make pre electrified device, corona discharge electrode connects high-voltage power cathode, be set to 10kV, dust collecting pole plate ground connection, be placed in the air inlet of deduster, in the gas treatment case of deduster, getting 10 diameters is that the hydrophilic modifying PP disk of 100cm is as circular plate type dust collecting electrode, be fixed on a power transmission shaft, power transmission shaft diameter 2cm, each disc interval 5cm, adjacent disc is placed in separated different liquid bath, it is the triclosan-NaOH solution of 0.5% in liquid bath, one of them liquid bath ground connection, another liquid bath connects high voltage source negative pole, voltage is 5000V, the liquid level of liquid bath is lower than demarcation strip upper limb 1cm, circular plate type dust collecting electrode rotating speed 5rpm, just this electrostatic dedusting purifier is obtained, 3 micron particles can be removed 97% by this device.
Embodiment 5:
By 4 diameter 0.1mm, length 20cm wire is as corona discharge electrode, between the dust collector pole being placed in four leaf length 20cm width 8cm respectively, die opening 2.5cm, make pre electrified device, corona discharge electrode connects high voltage source negative pole, be set to 10kV, dust collecting pole plate ground connection, be placed in the air inlet of deduster, in the gas treatment case of deduster, getting 10 diameters is that the cordierite ceramic disk of 20cm is as circular plate type dust collecting electrode, be fixed on a power transmission shaft, power transmission shaft diameter 1cm, each disc interval 2cm, adjacent disc is placed in separated different liquid bath, be the softex kw solution of 0.1% in liquid bath, one of them liquid bath ground connection, another liquid bath connects high-voltage power cathode, voltage is 10kV, the liquid level of liquid bath is lower than demarcation strip upper limb 2cm, circular plate type dust collecting electrode rotating speed 10rpm, just this electrostatic dedusting purifier is obtained, smoke from cigarette can be removed 99% by this device.
Claims (8)
1. one and half wet cottrells, the object of the invention is to realize by the following technical solutions: the pre electrified electric field air of dust-laden being flow through be mounted with corona discharge electrode and dust collector pole, then air is made to flow through the board-like dust collecting electrode of horizontal vertical circular, the quantity of circular plate type dust collecting electrode more than or equal 2 pieces, the card of circular plate type dust collecting electrode is parallel with air flow, the latter half of circular plate type dust collecting electrode is immersed in containing in the electrolytical aqueous solution, circular plate type dust collecting electrode is placed on a trunnion axis with identical distance, trunnion axis is by the center of circle of circular plate type dust collecting electrode, trunnion axis is driven by a motor, circular plate type dust collecting electrode is constantly rotated, and keep the aerial surface of circular plate type dust collecting electrode to have one deck electrolyte aqueous solution film all the time, the latter half of the adjacent disc of circular plate type dust collecting electrode is immersed in two not connected electrolyte aqueous solution liquid baths, come with the baffle for separating of zigzag crippling between these two electrolyte aqueous solution liquid baths, two electrolyte aqueous solution liquid baths are load zero potentials and positive potential or zero potential and negative potential respectively, make the electrolyte aqueous solution film of the circular plate type dust collecting electrode disc surface be immersed in the wherein electromotive force that also load is identical with institute submergence electrolyte aqueous solution, thus make horizontal circular plate type dust collecting electrode present height, the form that low potential back and forth arranges, the diameter of circular plate type dust collecting electrode is 5cm ~ 100cm, the spacing of circular plate type dust collecting electrode is 0.8cm ~ 10cm, there is between circular plate type dust collecting electrode and the trunnion axis of electrode drive electric insulation packing ring, to realize the electric insulation between trunnion axis and circular plate type dust collecting electrode, can be attracted in the electrolyte aqueous solution liquid film being attached to circular plate type dust collecting electrode surface because of the effect of electrostatic force from the charged particle the air flow through between circular plate type dust collecting electrode, and washed wash-out along with the rotation of circular plate type dust collecting electrode by electrolyte aqueous solution.
2. a kind of half wet cottrell as claimed in claim 1, it is characterized in that: the charged voltage of the pre electrified electric field of clarifier front end is 3 ~ 20kV, round silk, astroid, the helix of corona very nominal diameter 0.1 ~ 1mm, die opening is 0.5 ~ 10cm.
3. a kind of half wet cottrell as claimed in claim 1, is characterized in that: the material of circular plate type dust collecting electrode is the stainless steel of surface granosealing, steel, iron, aluminum and its alloy.
4. a kind of half wet cottrell as claimed in claim 1, is characterized in that: the material of circular plate type dust collecting electrode can also be sieve and silica-sesquioxide pottery, cordierite ceramic, mullite ceramic, SiC ceramic, aluminium oxide ceramics, feldspathic pottery, Apatite Ceramic that surface does not have glaze layer.
5. a kind of half wet cottrell as claimed in claim 1, is characterized in that: the material of circular plate type dust collecting electrode or the polyvinyl chloride of surface hydrophilic modification, polymethyl methacrylate, polypropylene, polyethylene, PETG, polyformaldehyde, Merlon, phenolic resins or acrylonitrile-butadiene-styrene (ABS) plastics.
6. a kind of half wet cottrell as claimed in claim 1, is characterized in that: the rotating speed of circular plate type dust collecting electrode is 1rpm ~ 100rpm.
7. a kind of half wet cottrell as claimed in claim 1, it is characterized in that: the electrolyte solution of adjacent circular plate type dust collecting electrode institute submergence is load zero potential and high potential or zero potential and low potential respectively, the voltage of high potential is+3 ~+20kV, and the voltage of low potential is-3 ~-20kV.
8. a kind of half wet cottrell as claimed in claim 1, is characterized in that: electrolyte aqueous solution is the aqueous solution of antiseptic, and antiseptic is DTAB, DTAC, TTAB, tetradecyl trimethyl ammonium chloride, softex kw, hexadecyltrimethylammonium chloride, Cetyltrimethylammonium bromide, OTAC, triclosan, chlorhexidine acetate, benzalkonium bromide, benzalkonium chloride, potassium sorbate, sodium pyrithione, ZPT, copper pyrithione, 1-ethyl-3-methyllimidazolium bromide, iodate 1-ethyl-3-methylimidazole, bromination 1-propyl group-3-methylimidazole, iodate 1-propyl group-3-methylimidazole, chlorination 1-butyl-3-methylimidazole, 1-butyl-3-methylimidazolium bromide, iodate 1-butyl-3-methylimidazole, chlorination 1-hexyl-3-methylimidazole, bromination 1-hexyl-3-methylimidazole, iodate 1-hexyl-3-methylimidazole, chlorination 1-octyl group-3-methylimidazole, bromination 1-octyl group-3-methylimidazole, iodate 1-hexyl-3-methylimidazole, chlorination 1-decyl-3-methylimidazole, bromination 1-decyl-3-methylimidazole, iodate 1-decyl-3-methylimidazole, chlorination 1-benzyl-3-methylimidazole, bromination 1-benzyl-3-methylimidazole, iodate 1-benzyl-3-methylimidazole, chlorination 1-dodecyl-3-methylimidazole, bromination 1-dodecyl-3-methylimidazole, iodate 1-dodecyl-3-methylimidazole, chlorination 1-myristyl-3-methylimidazole, bromination 1-myristyl-3-methylimidazole, iodate 1-myristyl-3-methylimidazole, chlorination 1-cetyl-3-methylimidazole, bromination 1-cetyl-3-methylimidazole, iodate 1-cetyl-3-methylimidazole, PCMX, C5H6Br2N2O2, BCDMH, two chlordantoins, the mixture of any one or arbitrary proportions several arbitrarily in the middle of 5,5-DMH.
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