CN104162336B - A kind of efficient composite deduster - Google Patents
A kind of efficient composite deduster Download PDFInfo
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- CN104162336B CN104162336B CN201410419851.XA CN201410419851A CN104162336B CN 104162336 B CN104162336 B CN 104162336B CN 201410419851 A CN201410419851 A CN 201410419851A CN 104162336 B CN104162336 B CN 104162336B
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Abstract
The present invention proposes a kind of efficient composite deduster, comprise electrostatic precipitation portion, bag type filtering portion and dielectrophoresis filter house, the air outlet of dielectrophoresis filter house is connected with exhaust passage, dielectrophoresis filter house is made up of DEP purifying treating unit, DEP purifying treating unit comprises DEP purifying electric pole plate, DEP purifying electric pole plate is rollable and be curled into the shape that side is helix, DEP purifying electric pole plate comprises DEP electrode, DEP electrode comprises the anode and negative electrode that are oppositely arranged, and DEP electrode captures the particle in bag type filtering portion Exhaust Gas by dielectrophoresis force.The present invention filters out the big dust particle in air inlet by electrostatic precipitation portion and bag type filtering portion, particularly can be entered the dust of lung by dielectrophoresis filter house filter small particles, realizes removing grit gamut comprehensively.Dielectrophoresis filter house of the present invention adopts dielectrophoresis principle Chalk-dust filtering, and its energy consumption is low, and the pressure loss is little, and operating cost is low.
Description
Technical field
The present invention relates to material purification treatment technology field, be specifically related to a kind of efficient composite deduster adopting dielectrophoresis dedusting technology.
Background technology
PM2.5 is less than the particle of 2.5 microns, is also called and can enters lung particle, can enter human body alveolar and even go in hematological system, directly cause the diseases such as cardiovascular disease.The specific area of PM2.5 is comparatively large, each Heavy Metallic Elements of usual enrichment, as As, Se, Pb, Cr etc., and the organic pollution such as PAHs, PCDD/Fs, VOCs, these mostly are carcinogen and genotoxicity mutagen matter is very harmful.Known PM2.5 health effect comprises the death rate increasing grave illness and chronic.Make respiratory system and cardiac system disease progression, change PFT and structure, change the aspects such as immune structure.In December, 2000, Britain expert result of study also showed, SO in air
2, the content of the pollutant such as nitride and CO and mankind's day death rate do not contact closely, fine particle is the main cause causing human death to lead rising on the contrary.
At present, mostly the deduster of industrial use is the electrostatic fabric filter structure that electrostatic precipitator and sack cleaner combine, electric cleaner is large with its smoke treatment amount, the features such as the loss of deduster bulk density is little are used widely, but the use of electric cleaner also has its limitation, its efficiency of dust collection is subject to the factors such as the physicochemical property of flue gas and dust (as flue-gas temperature, smoke moisture, flue gas flow rate, dust size distributes, dust viscosity, sulfur content etc.) impact, especially at process high resistivity dust and fine dust (particularly below 10um dust, electric cleaner is limited to fine dust trapping ability, because fine dust is difficult to charged, electrode vibrators produces reentrainment of dust, the particle of trapping is overflowed with air-flow) application scenario, electric cleaner demonstrates its inadaptability.
Sack cleaner can accomplish the dust removing effects that electric cleaner does not reach under complex working condition.It is by the impact of the factor such as dust size, dust composition, dust specific resistance and flue dust temperature (only otherwise burning bag), and one-time investment expense is lower, so bag-type dust becomes both economical effective dedusting method in the present age.But bag-type dust also has its disadvantage, as Pressure Drop comparatively large (being generally 1500 ~ 2000Pa), causing SR large, require that the air-introduced machine power of system is higher, increase operation energy consumption; In addition because handled dust concentration is general relatively high, live load is heavier, cause life-span of the filter bag limited (sticking with paste the service life that bag, burning bag, leak-off pocket and corrosive wear etc. all can affect filter bag), frequently must regularly replace filter bag, both add the workload of operation maintenance, turn improve operation and maintenance cost.In addition, sack cleaner is not good for particle (particle size diameter 2.5um and the following) dust removing effects that can enter lung, after using existing electrostatic fabric filter, still have a large amount of entered lungs granular material discharged in air, for the healthy and safe of the public has buried hidden danger.
Summary of the invention
In order to overcome the defect existed in above-mentioned prior art, the object of this invention is to provide a kind of efficient composite deduster, can realize all particulates, particularly can enter effective filtering of the particle of lung.
In order to realize above-mentioned purpose of the present invention, the invention provides a kind of efficient composite deduster, it comprises electrostatic precipitation portion, bag type filtering portion and dielectrophoresis filter house, described electrostatic precipitation portion has air intake vent and air outlet, inside, described electrostatic precipitation portion is also provided with corona electrode, collecting plate, high voltage power supply device, ash bucket and ash handling equipment, the air outlet in described electrostatic precipitation portion is connected with the air intake vent in bag type filtering portion, also filter bag is provided with in described bag type filtering portion, ash bucket and deashing device, the air outlet in described bag type filtering portion is connected with the air intake vent of dielectrophoresis filter house, the air outlet of described dielectrophoresis filter house is connected with exhaust passage, described dielectrophoresis filter house is made up of DEP purifying treating unit, described DEP purifying treating unit comprises DEP purifying electric pole plate, described DEP purifying electric pole plate is rollable and be curled into the shape that side is helix, described DEP purifying electric pole plate comprises DEP electrode, described DEP electrode comprises the anode and negative electrode that are oppositely arranged, described DEP electrode captures the particle in bag type filtering portion Exhaust Gas by dielectrophoresis force.
The present invention filters out the big dust particle in air inlet by electrostatic precipitation portion and bag type filtering portion, particularly can be entered the dust of lung by dielectrophoresis filter house filter small particles, realizes removing grit gamut comprehensively.
In addition, dielectrophoresis filter house of the present invention adopts dielectrophoresis principle Chalk-dust filtering, and its energy consumption is low, and the pressure loss is little, and operating cost is low.
Preferably, described dielectrophoresis filter house comprises M purifying treating unit, a described M purifying treating unit is connected in parallel, the air inlet of a described M purifying treating unit is all connected with the air outlet in bag type filtering portion, the air outlet of a described M purifying treating unit is connected with exhaust passage, and described M is positive integer.
The present invention for least unit, can carry out flexible assembling according to practical situations with DEP purifying treating unit, can carry out the purification of air in little place, also can realize the effect to large-scale extensive gas purification.
Preferably, described DEP purifying treating unit comprises the housing with air inlet and air outlet, described case inside is provided with bindiny mechanism, described bindiny mechanism removably connects M block DEP purifying electric pole plate, arragement direction and the airintake direction of described M block DEP purifying electric pole plate are parallel or substantially parallel, do not contact between described DEP purifying electric pole plate, described DEP purifying electric pole plate is dull and stereotyped, arc or the shape be connected to form by limited piece of flat board and/or arc, described DEP purifying electric pole plate one side or on, lower two sides is laid with DEP purified treatment electrode, described DEP purified treatment electrode comprises anode part and cathode portion, described anode part and cathode portion are interspersed, described anode part is repeated to form by anodic cycle, described cathode portion is repeated to form by cathode deposition period, a described anode and a negative electrode form a DEP electrode structure, described M is positive integer.
Preferably, described DEP purifying treating unit comprises the housing with air inlet and air outlet, described case inside is provided with bindiny mechanism, described bindiny mechanism removably connects M block DEP purifying electric pole plate, arragement direction and the airintake direction of described M block DEP purifying electric pole plate are parallel or substantially parallel, do not contact between described DEP purifying electric pole plate, described DEP purifying electric pole plate is hollow tubular and concentric locking collar is fitted together, the one side of described DEP purifying electric pole plate or in, outer two sides is laid with DEP purified treatment electrode, described DEP purified treatment electrode comprises anode part and cathode portion, described anode part and cathode portion are interspersed, described anode part is repeated to form by anodic cycle, described cathode portion is repeated to form by cathode deposition period, a described anode and a negative electrode form a DEP electrode structure, described M is positive integer.
Preferably, described DEP purifying treating unit comprises the housing with air inlet and air outlet, described case inside is provided with bindiny mechanism, described bindiny mechanism removably connects DEP purifying electric pole plate, described DEP purifying electric pole plate is rollable and be curled into the shape that side is helix, its stratiform space formed is fluid passage, DEP purifying electric pole plate adjacent two layers does not contact, described fluid passage and airintake direction parallel or substantially parallel, the one side of described DEP purifying electric pole plate is laid with DEP purified treatment electrode, described DEP purified treatment electrode comprises anode part and cathode portion, described anode part and cathode portion are interspersed, described anode part is repeated to form by anodic cycle, described cathode portion is repeated to form by cathode deposition period, a described anode and a negative electrode form a DEP electrode structure.
DEP purged electrode panel area of the present invention forms non-uniform electric field, utilizes electrophoretic force can to particle, and the small particle that particularly can enter lung carries out effective filtering.
DEP purifying treating unit various shapes of the present invention, for preparation provides multiple choices.
Preferably, described DEP electrode structure comprises anode and negative electrode, described anode has anode first surface, described negative electrode has negative electrode first surface, described anode first surface and negative electrode first surface are oppositely arranged, described anode first surface has at least one anode protuberance, the top of described anode protuberance protrudes from the non-adjacent protuberance part of coupled described anode first surface, anode first surface region between two adjacent anode protuberance tops is not in one plane and section is non-rectangle, described negative electrode first surface has at least one negative electrode protuberance, the top of described negative electrode protuberance protrudes from the non-adjacent protuberance part of coupled described negative electrode first surface, negative electrode first surface region between two neighbouring cathode protuberance tops is not in one plane and section is non-rectangle.
Preferably, anode first surface region between described two adjacent anode protuberance tops is cylinder, sphere, ellipsoid, curved section moves the cambered surface of formation or moves the cambered surface formed after being connected by many curved sections, and the mobile cambered surface formed after being connected by straightway and/or curved section; Negative electrode first surface region between described two neighbouring cathode protuberance tops is cylinder, sphere, ellipsoid, curved section moves the cambered surface of formation or the cambered surface moving and formed that is connected by many curved sections, and the cambered surface moving and formed that is connected by straightway and/or curved section.
Preferably, described DEP electrode structure comprises anode and negative electrode, described anode have back to arrange first anode face and second plate face, described negative electrode have back to arrange the first cathode plane and the second cathode plane, described first anode face and the first cathode plane are oppositely arranged, described first anode face also comprises at least one anode protuberance, described anode protuberance is by vertical or subvertical anode leader and anode extension portion form mutually, anode extension portion is being greater than coupled anode leader size in the direction in which with the size in anode leader vertical direction, anode protuberance both sides are the empty septal area of anode,
Described first cathode plane also comprises at least one negative electrode protuberance, described negative electrode protuberance is by vertical or subvertical negative electrode lead division and extended cathode portion form mutually, extended cathode portion is being greater than coupled negative electrode lead division size in the direction in which with the size in negative electrode lead division vertical direction, and negative electrode protuberance both sides are the empty septal area of negative electrode;
Described anode protuberance to be deep in the empty septal area of negative electrode corresponding thereto and not to contact with negative electrode protuberance, and described negative electrode protuberance to be deep in anode sky septal area corresponding thereto and not to contact with anode protuberance.
Preferably, described anode leader is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section; Described negative electrode lead division is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section.Described anode extension portion is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section; Described extended cathode portion is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section.
Preferably, described DEP electrode structure comprises anode and negative electrode, described anode have back to arrange first anode face and second plate face, described negative electrode have back to arrange the first cathode plane and the second cathode plane, described first anode face and the first cathode plane are oppositely arranged;
Described first anode face also comprises at least one anode protuberance, on section, described in width, anode protuberance the widest part is of a size of K1, most strong point degree of the being of a size of α × K1 of anode protuberance described in length direction, described K1, α are positive number, and described anode protuberance both sides are the empty septal area of anode near the region in first anode face;
Described first cathode plane also comprises at least one negative electrode protuberance, on section, described in width, negative electrode protuberance the widest part is of a size of K2, most strong point degree of the being of a size of β × K2 of negative electrode protuberance described in length direction, described K2, β are positive number, and described negative electrode protuberance both sides are the empty septal area of negative electrode near the region of the first cathode plane;
Described anode protuberance to be deep in the empty septal area of negative electrode corresponding thereto and not to contact with negative electrode, described negative electrode protuberance to be deep in the empty septal area of anode corresponding thereto and not to contact with anode, described anode protuberance and the overlapping length thereof K3 of negative electrode protuberance meet 0 < K3≤2 × K4, wherein, K4 is the greater in K1 and K2.
Described K1=K2, described 1 < α≤4,1 < β≤4.
Described anode and being spaced apart of negative electrode are greater than 0 and are less than or equal to 4 × K4.
Described anode protuberance is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section; Described negative electrode protuberance is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section.
Electrode structure of the present invention can provide large electrophoretic force, thus to particle, the small particle that particularly can enter lung effectively adsorbs.Meanwhile, be multiplely shaped to preparation and provide multiple choices.
Preferably, described bindiny mechanism is the draw-in groove that direction that case inside two is relative is arranged, M block DEP purifying electric pole plate described in described draw-in groove clamping.
Described bindiny mechanism is the bar-like support thing that case inside is arranged, described M block DEP purifying electric pole plate is provided with the through hole mated with described bar-like support thing size, and described DEP purifying electric pole plate to be sleeved on described bar-like support thing and relative fixing with described bar-like support thing successively.
Preferably, described bindiny mechanism is vertical with airintake direction, and described link mechanism has through hole, described bindiny mechanism is provided with the draw-in groove of concentric annular distribution, each ring is distributed with at least two interrupted draw-in grooves, M block DEP purifying electric pole plate described in described draw-in groove clamping.
Described bindiny mechanism is for be provided with bar-like support thing at described case inside, described M block DEP purifying electric pole plate is provided with the through hole mated with described bar-like support thing size, and described DEP purifying electric pole plate to be sleeved on described bar-like support thing and relative fixing with described bar-like support thing successively.
Preferably, described bindiny mechanism is vertical with airintake direction or substantially vertical, and described bindiny mechanism has through hole, and described bindiny mechanism is provided with the draw-in groove of zigzag shape distribution, described draw-in groove is interrupted structure, DEP purifying electric pole plate described in described draw-in groove clamping.
Thus polylith DEP purifying electric pole plate is firmly arranged in housing, jointly realize catharsis.
Described housing also has cleaning door, the plane orthogonal at described cleaning door place or be approximately perpendicular to the outgassing direction of DEP purifying electric pole plate, described cleaning door is closed by Valve controlling and is opened.Realize the removing accumulated dust.
Described air inlet is flexibly connected with inlet channel by screw thread or buckle, and described air outlet is flexibly connected with outlet passageway by screw thread or buckle.Thus realize being connected with gas channel, realize assembling and the fractionation of purifying processor.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is efficient composite deduster structural representation of the present invention;
Fig. 2 is the structural representation of dielectrophoresis filter house of the present invention;
Fig. 3 is the structural representation of DEP purifying electric pole plate in a kind of preferred embodiment of the present invention;
Fig. 4 is the structural representation of DEP purifying electric pole plate in the another kind of preferred embodiment of the present invention;
Fig. 5 is the structural representation of DEP purifying electric pole plate in another preferred embodiment of the present invention;
Fig. 6 is the schematic diagram of electrode structure in the first preferred embodiment of the present invention;
Fig. 7 is the schematic diagram of electrode structure in the second preferred embodiment of the present invention;
Fig. 8 is the schematic diagram of electrode structure in the third preferred embodiment of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
The invention provides a kind of efficient composite deduster, as shown in Figure 1, it comprises electrostatic precipitation portion 03, bag type filtering portion 01 and dielectrophoresis filter house 02.Wherein, electrostatic precipitation portion 03 has air intake vent and air outlet, and inside, electrostatic precipitation portion 03 is also provided with corona electrode, collecting plate, high voltage power supply device, ash bucket and ash handling equipment.In the present embodiment, electrostatic precipitation portion can adopt the structure of existing electrostatic precipitator, and the structural design of concrete electrostatic precipitator is not inventive point of the present invention, does not too much repeat at this.
The air outlet in electrostatic precipitation portion 03 is connected with the air intake vent in bag type filtering portion 01, is also provided with filter bag, ash bucket and deashing device in bag type filtering portion 01, and in the present embodiment, bag type filtering portion can adopt the structure of existing any sack cleaner.
The air outlet in bag type filtering portion 01 is connected with the air intake vent of dielectrophoresis filter house 02, the air outlet of dielectrophoresis filter house 02 is connected with exhaust passage, dielectrophoresis filter house is made up of DEP purifying treating unit, described DEP purifying treating unit comprises DEP purifying electric pole plate, described DEP purifying electric pole plate is rollable and be curled into the shape that side is helix, described DEP purifying electric pole plate comprises DEP electrode, DEP electrode comprises the anode and negative electrode that are oppositely arranged, and DEP electrode captures the particle in bag type filtering portion Exhaust Gas by dielectrophoresis force.
The present invention filters out the big dust particle in air inlet by bag type filtering portion, particularly can be entered the dust of lung by dielectrophoresis filter house filter small particles, realizes the comprehensive removing to grit.
Preferably, as shown in Figure 2, dielectrophoresis filter house 02 comprises M purifying treating unit 022, this M purifying treating unit 022 is connected in parallel, the air inlet 021 of M purifying treating unit 022 is all connected with the air outlet 012 in bag type filtering portion 01, the air outlet of M purifying treating unit 022 is connected with exhaust passage 023, and wherein, M is positive integer.
In the first preferred embodiment of the present invention, as shown in Figure 3, DEP purifying treating unit comprises the housing 0221 with air inlet and gas outlet, in Fig. 3, air inlet and gas outlet are not shown, specifically can arrange according to actual conditions, preferably be arranged on by air inlet on a face of housing, gas outlet is arranged on another face on the other side.
Bindiny mechanism's (not shown in FIG.) is provided with in housing 0221, bindiny mechanism removably connects M block DEP purifying electric pole plate 0222, arragement direction and the airintake direction of M block DEP purifying electric pole plate 0222 are parallel or substantially parallel, do not contact between DEP purifying electric pole plate 0222, DEP purifying electric pole plate 0222 is dull and stereotyped, arc, or the shape be connected to form by limited piece of flat board and/or arc, DEP purifying electric pole plate 0222 one side or on, lower two sides is laid with DEP purified treatment electrode, DEP purified treatment electrode comprises anode part and cathode portion, anode part and cathode portion are interspersed, anode part is repeated to form by anodic cycle, cathode portion is repeated to form by cathode deposition period, an anode and a negative electrode form a DEP electrode structure, wherein, M is positive integer.
In present embodiment, DEP purifying electric pole plate one side or upper and lower faces are DEP purifying electric pole plate surface area maximum faces when being horizontal, the face faced upward or downward.
In the present embodiment, bindiny mechanism is the draw-in groove that direction that case inside two is relative is arranged, draw-in groove clamping M block DEP purifying electric pole plate.
In the embodiment that the present invention is other, bindiny mechanism is the bar-like support thing that case inside is arranged, M block DEP purifying electric pole plate is provided with the through hole mated with bar-like support thing size, and DEP purifying electric pole plate to be sleeved on bar-like support thing and relative fixing with described bar-like support thing successively.
Thus polylith DEP purifying electric pole plate is firmly arranged in housing, jointly realize catharsis.
In the second preferred embodiment of the present invention, in the second preferred embodiment of the present invention, DEP purifying treating unit comprises the housing with air inlet and air outlet, case inside is provided with bindiny mechanism, bindiny mechanism removably connects M block DEP purifying electric pole plate, as shown in Figure 4, arragement direction and the airintake direction of M block DEP purifying electric pole plate 0223 are parallel or substantially parallel, do not contact between DEP purifying electric pole plate, DEP purifying electric pole plate is hollow tubular and concentric locking collar is fitted together, be fluid passage 0224 between adjacent two layers DEP purifying electric pole plate, the one side of DEP purifying electric pole plate or in, outer two sides is laid with DEP purified treatment electrode, described DEP purified treatment electrode comprises anode part and cathode portion, anode part and cathode portion are interspersed, anode part is repeated to form by anodic cycle, cathode portion is repeated to form by cathode deposition period, an anode and a negative electrode form a DEP electrode structure, described M is positive integer.
In Fig. 4, housing and bindiny mechanism are not shown, concrete housing can be set to the tubular shown in Fig. 3, and its air inlet and gas outlet lay respectively at the two ends of DEP purifying electric pole plate 0223, and gas is flowed according to the direction of arrow in figure.
In the present embodiment, bindiny mechanism is bracing frame, removably be fixed on housing, bindiny mechanism is vertical with airintake direction, bindiny mechanism has through hole, bindiny mechanism is provided with the draw-in groove of concentric annular distribution, each ring is distributed with at least two interrupted draw-in grooves, draw-in groove clamping M block DEP purifying electric pole plate.
In the embodiment that the present invention is other, bindiny mechanism is for be provided with bar-like support thing at case inside, M block DEP purifying electric pole plate is provided with the through hole mated with bar-like support thing size, and DEP purifying electric pole plate to be sleeved on bar-like support thing and relative fixing with described bar-like support thing successively.
Thus polylith DEP purifying electric pole plate is firmly arranged in housing, jointly realize catharsis.
In the 3rd preferred embodiment of the present invention, DEP purifying treating unit comprises the housing with air inlet and air outlet, case inside is provided with bindiny mechanism, bindiny mechanism removably connects DEP purifying electric pole plate, as shown in Figure 5, DEP purifying electric pole plate 0225 is rollable and be curled into the shape that side is helix, its stratiform space formed is fluid passage 0226, DEP purifying electric pole plate adjacent two layers does not contact, fluid passage and the airintake direction of DEP purifying electric pole plate are parallel or substantially parallel, the one or both sides of DEP purifying electric pole plate are laid with DEP purified treatment electrode, DEP purified treatment electrode comprises anode part and cathode portion, anode part and cathode portion are interspersed, anode part is repeated to form by anodic cycle, cathode portion is repeated to form by cathode deposition period, an anode and a negative electrode form a DEP electrode structure.
In Fig. 5, housing and bindiny mechanism are not shown, concrete housing can be set to barrel-shaped, and its air inlet and gas outlet lay respectively at the two ends of DEP purifying electric pole plate 0225, and gas is flowed according to the direction of arrow in figure.
In the present embodiment, bindiny mechanism is bracing frame, removably be fixed on housing, bindiny mechanism is vertical with airintake direction or substantially vertical, bindiny mechanism has through hole, and bindiny mechanism is provided with the draw-in groove of zigzag shape distribution, draw-in groove is interrupted structure, namely discontinuous, draw-in groove clamping DEP purifying electric pole plate.
Thus polylith DEP purifying electric pole plate is firmly arranged in housing, jointly realize catharsis.
In the present embodiment, the housing of DEP purifying treating unit also has cleaning door, the plane at cleaning door place is vertical with the alignment plane of DEP purifying electric pole plate plate, inlet channel 021, outlet passageway 023 and deashing passage are provided with magnetic valve 025, by closedown and the unlatching of electronic control module 024 control realization valve.Deashing passage is also provided with vavuum pump 026, when carrying out filtration work, the magnetic valve of inlet channel 021 and outlet passageway 023 is opened, carry out normal dedusting work, when needs deashing activates, the closed electromagnetic valve of inlet channel 021 and outlet passageway 023, the magnetic valve 025 of deashing passage is opened, vavuum pump 026 works, by the dust sucking-off of DEP purifying treating unit inner accumulated.Realize the removing accumulated dust.
Preferably, air inlet is connected with inlet channel by screw thread or buckle, and air outlet is connected with outlet passageway by screw thread or buckle.Thus realize being connected with gas channel.
In the present embodiment, housing is also provided with power supply connector, the anode part on DEP purifying electric pole plate is connected with external power source by power supply connector with cathode portion.
In the preferred embodiment of the present invention, the electrode structure of employing, as shown in Figure 6, it comprises anode 1 and negative electrode 2, and wherein, anode 1 has anode first surface 3, negative electrode 2 has negative electrode first surface 4, and anode first surface 3 and negative electrode first surface 4 are oppositely arranged.Anode first surface 3 has at least one anode protuberance 5, the top of anode protuberance 5 protrudes from the non-adjacent protuberance part of coupled anode first surface 3, in the present embodiment, anode protuberance 3 is arbitrary shape in addition to a rectangle, the shape preferably having two arcs caved in be connected to form as shown in Figure 6, the top of anode protuberance can have any shape, and is specifically as follows but is not limited to plane, cambered surface or spininess, preferably adopting spininess.
As shown in Figure 6, anode first surface region between two adjacent anode protuberance 3 tops is not in one plane and section is arbitrary shape in addition to a rectangle, anode first surface region between two adjacent anode protuberance tops is specifically as follows but is not limited to cylinder, sphere, ellipsoid, curved section moves the cambered surface of formation or moves the cambered surface formed after being connected by many curved sections, and the mobile cambered surface formed after being connected by straightway and/or curved section.In the present invention's embodiment be more preferably, the cross section in the anode first surface region between two adjacent anode protuberance tops is semicircle.
Negative electrode first surface 4 has at least one negative electrode protuberance 6, the top of negative electrode protuberance 6 protrudes from the non-adjacent protuberance part of coupled negative electrode first surface 4, in the present embodiment, negative electrode protuberance 4 is arbitrary shape in addition to a rectangle, the shape preferably having two arcs caved in be connected to form as shown in Figure 6, the top of negative electrode protuberance can have any shape, and is specifically as follows but is not limited to plane, cambered surface or spininess, preferably adopting spininess.
As shown in Figure 6, negative electrode first surface region between two neighbouring cathode protuberance tops is not in one plane and section is non-rectangle, i.e. arbitrary shape in addition to a rectangle, negative electrode first surface region between two neighbouring cathode protuberance tops is specifically as follows but is not limited to cylinder, sphere, ellipsoid, curved section moves the cambered surface of formation or moves the cambered surface formed after being connected by many curved sections, and the mobile cambered surface formed after being connected by straightway and/or curved section.In the present invention's embodiment be more preferably, the cross section in the anode first surface region between two neighbouring cathode protuberance tops is semicircle.
In the present invention, and/or refer to and can adopt " with " mode combine, also the mode of "or" can be adopted to combine, such as " shape that limited piece of flat board and/or arc are connected to form " refers to the shape that limited piece of flat board is connected to form, the shape that limited piece of arc is connected to form, or the shape that limited piece of flat board and limited fast arc are connected to form.
In the present embodiment, the distance of two adjacent anode protuberances is S1, and the distance of two neighbouring cathode protuberances is S2, the distance of described negative electrode and positive electrode is greater than 0 and is less than or equal to 10*S3, described S1, S2 are positive number, and S3 is the greater in S1 and S2, S1 and S2 is that micron is to millimeter magnitude.
In the preferred embodiment that the present invention is other, anode protuberance 5 is in anode first surface 3 periodic distribution, negative electrode protuberance 6 is in negative electrode first surface 4 periodic distribution, both distribution period can identical also can not be identical, preferably, anode protuberance is identical at the distribution period of negative electrode first surface with negative electrode protuberance at the distribution period of anode first surface.Anode and negative electrode form the relative waveform set up and rise and fall, material can between anode and negative electrode and anode and cathode surface circulate.
In a kind of embodiment be more preferably of the present invention, anode protuberance 5 top is just to the part caved in most in the negative electrode first surface region between its two nearest negative electrode protuberances 6; Negative electrode protuberance 6 top is just to the part caved in most in the anode first surface region between its two nearest anode protuberances 5.
In embodiments, anode has anode second surface, this anode second surface and anode first surface shape identical or different, the structure that preferred employing is identical, anode second surface and anode first surface can symmetry also can be asymmetric, the asymmetric structure of preferred employing, more preferably adopts the differing distribution half period of the anode protuberance on two sides.Negative electrode also has negative electrode second surface, negative electrode second surface and negative electrode first surface shape identical or different, the structure that preferred employing is identical, negative electrode second surface and negative electrode first surface can symmetry also can be asymmetric, the asymmetric structure of preferred employing, more preferably adopts the differing distribution half period of the negative electrode protuberance on two sides.
In the second preferred embodiment of the present invention, electrode structure as shown in Figure 7, it comprises anode 10 and negative electrode 20, wherein, anode 1 has first anode face 11 back to arranging and second plate face 12, in the present embodiment, and the positive direction of selected reference coordinate line, back to arranging the positive direction referring to the normal direction point coordinates line in a face, the negative direction of the normal direction point coordinates line in another face.Equally, negative electrode 2 has the first cathode plane 21 and the second cathode plane 22 back to arranging.As shown in Figure 7, first anode face 11 and the first cathode plane 21 are oppositely arranged.
First anode face 11 also comprises at least one anode protuberance, this anode protuberance is made up of vertical or subvertical anode leader 13 and anode extension portion 14 mutually, in the present embodiment, close to being vertically cause because preparation technology exists error.Anode extension portion 14 is being greater than coupled anode leader 13 size P1 in the direction in which with the size L1 in anode leader 13 vertical direction, anode protuberance both sides are the empty septal area of anode, when anode protuberance is more than two, be the empty septal area of anode between adjacent two anode protuberances.
First cathode plane 21 also comprises at least one negative electrode protuberance, this negative electrode protuberance is by vertical or subvertical negative electrode lead division 23 and extended cathode portion 24 form mutually, extended cathode portion 24 is being greater than coupled negative electrode lead division 23 size in the direction in which with the size in negative electrode lead division 23 vertical direction, negative electrode protuberance both sides are the empty septal area of anode, when negative electrode protuberance is more than two, be the empty septal area of negative electrode between adjacent two negative electrode protuberances.
In the present embodiment, anode protuberance to be deep in the empty septal area of negative electrode corresponding thereto and not to contact with negative electrode protuberance, and negative electrode protuberance to be deep in anode sky septal area corresponding thereto and not to contact with anode protuberance.
The present invention, by arranging the structure of anode and negative electrode, improves the electrophoretic force that particle is subject in the electric field, can carry out effective filtering to the particle that can enter lung.
In the present embodiment, anode protuberance is in first anode face periodic distribution.Negative electrode protuberance is in the first cathode plane periodic distribution.In an embodiment be more preferably of the present invention, the distribution period of anode protuberance in first anode face is identical at the distribution period of the first cathode plane with negative electrode protuberance.Thus reduce the complexity of structure, more easily prepare.
In the present embodiment, anode leader 13 can be any moulding, is specifically as follows but is not limited to cuboid, square, spheroid or spheroid, or moves by limited bar straightway and/or the curved section face formed that joins end to end the solid formed.Negative electrode lead division 23 can be also any moulding, is specifically as follows but is not limited to cuboid, square, spheroid or spheroid, or moves by limited bar straightway and/or the curved section face formed that joins end to end the solid formed.
In the present embodiment, anode extension portion 14 can be any moulding, is specifically as follows but is not limited to cuboid, square, spheroid or spheroid, or moves by limited bar straightway and/or the curved section face formed that joins end to end the solid formed.Extended cathode portion 24 is cuboid, square, spheroid or spheroid, or moves by limited bar straightway and/or the curved section face formed that joins end to end the solid formed.Multiplely be shaped to preparation and provide multiple choices.
In the present embodiment, anode has second plate face 12, and second plate face 12 is identical or different with first anode face 11 shape, preferably adopts identical structure, and second plate face 12 is symmetrical or asymmetric with first anode face 11, preferably adopts symmetric design.
Negative electrode there is the second cathode plane 22, second cathode plane 22 and the first cathode plane 21 shape identical or different, preferably adopt identical structure, the second cathode plane 22 and the first cathode plane 21 symmetry or asymmetric, preferably adopt symmetric design.
In the present embodiment, anode extension portion 14 is along the full-size L1 in the direction perpendicular to anode leader 13, negative electrode extension 24 is along the full-size L2 in the direction perpendicular to negative electrode lead division 23, and anode extension portion 14 is greater than 0 with the distance of negative electrode and is less than or equal to 10*L3, wherein, L1 is positive number, L2 is positive number, and L3 is the greater in L1 and L2, L1=m*L2, m is positive number, L1 and L2 is that micron is to millimeter magnitude.
In the 3rd preferred embodiment of the present invention, electrode structure as shown in Figure 8, it comprises anode 1 and negative electrode 2, wherein, anode 1 has first anode face 11 back to arranging and second plate face 12, in the present embodiment, and the positive direction of selected reference coordinate line, back to arranging the positive direction referring to the normal direction point coordinates line in a face, the negative direction of the normal direction point coordinates line in another face.Equally, negative electrode 2 has the first cathode plane 21 and the second cathode plane 22 back to arranging.As shown in Figure 8, first anode face 11 and the first cathode plane 21 are oppositely arranged.
First anode face also comprises at least one anode protuberance 15, on section, i.e. face shown in Fig. 8, in the direction of the width, anode protuberance 15 the widest part is of a size of K1, in the longitudinal direction, most strong point degree of the being of a size of α × K1 of anode protuberance 15, wherein, K1, α are positive number, the both sides of anode protuberance 15 are the empty septal area of anode near the region in first anode face, when anode protuberance 15 is more than two, are the empty septal area of anode between adjacent two anode protuberances 15.
First cathode plane also comprises at least one negative electrode protuberance 25, on section, i.e. face shown in Fig. 8, in the direction of the width, negative electrode protuberance 14 the widest part is of a size of K2, in the longitudinal direction, most strong point degree of the being of a size of β × K2 of negative electrode protuberance, wherein, K2, β are positive number, negative electrode protuberance 25 both sides are the empty septal area of negative electrode near the region of the first cathode plane, when negative electrode protuberance 25 is more than two, are the empty septal area of anode between adjacent two negative electrode protuberances 25.
Anode protuberance 15 to be deep in the empty septal area of negative electrode corresponding thereto and not to contact with negative electrode, negative electrode protuberance to be deep in the empty septal area of anode corresponding thereto and not to contact with anode protuberance, anode protuberance and the overlapping length thereof K3 of negative electrode protuberance meet 0 < K3≤2 × K4, wherein, K4 is the greater in K1 and K2.
The present invention, by arranging the structure of anode and negative electrode, improves the electrophoretic force that particle is subject in the electric field, can carry out effective filtering to the particle that can enter lung.
In the present embodiment, anode protuberance 15 is in first anode face 11 periodic distribution, and negative electrode protuberance 25 is in the first cathode plane 21 periodic distribution.In the embodiment that the present invention is more preferably, the distribution period of anode protuberance 15 in first anode face 11 is identical at the distribution period of the first cathode plane 21 with negative electrode protuberance 25.Thus reduce the complexity of structure, more easily prepare.
In the present embodiment, K1=K2,1 < α≤4,1 < β≤4, anode and being spaced apart of negative electrode are greater than 0 and are less than or equal to 4 × K4.
More preferably, α=β=2.
More preferably, K3=K4.
In the present embodiment, K1 and K2 is that micron is to millimeter magnitude.
Thus ensure the electrophoretic force that particle is subject in the electric field, effective filtering can be carried out to the particle that can enter lung.
In the present embodiment, anode protuberance 15 is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section.Negative electrode protuberance 25 is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section.Multiplely be shaped to preparation and provide multiple choices.
Preferably, described anode protuberance and negative electrode protuberance are cube.This structure preparation technology is simple, and improves the electrophoretic force that particle is subject in the electric field, can carry out effective filtering to the particle that can enter lung.
In the present embodiment, anode has second plate face 12, second plate face 12 is identical or different with first anode face 11 shape, the structure that preferred employing is identical, in the preferred embodiment that the present invention is other, second plate face 12 is not identical with first anode face 11 shape, and second plate face 12 is symmetrical or asymmetric with first anode face 11, preferably adopts symmetric design.
Negative electrode there is the second cathode plane 22, second cathode plane 22 and the first cathode plane 21 shape identical or different, preferably adopt identical structure, the second cathode plane 22 and the first cathode plane 21 symmetry or asymmetric, preferably adopt symmetric design.
It should be noted that, DEP purifying electric pole plate itself is non-conductive, and its Anodic part is connected with negative electrode respectively at power anode with cathode portion.
It should be noted that, the voltage magnitude of positive source and power cathode and frequency are not limited in the present invention, the system of selection of amplitude and the frequency usually adopted in prior art specifically can be adopted to select, do not do too much repeating at this.
Also it should be noted that; although only refer to dedusting in background technology of the present invention; but those skilled in the art can not be interpreted as that this is limitation of the present invention; in other technologies field; such as bio-separation field, the heavy metal isolation technics in liquid, and soil sanitation field; as long as adopt electrode structure that is identical with the present invention or obvious distortion, still within protection scope of the present invention.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (7)
1. an efficient composite deduster, it is characterized in that, comprise electrostatic precipitation portion, bag type filtering portion and dielectrophoresis filter house, described electrostatic precipitation portion has air intake vent and air outlet, inside, described electrostatic precipitation portion is also provided with corona electrode, collecting plate, high voltage power supply device, ash bucket and ash handling equipment, the air outlet in described electrostatic precipitation portion is connected with the air intake vent in bag type filtering portion, also filter bag is provided with in described bag type filtering portion, ash bucket and deashing device, the air outlet in described bag type filtering portion is connected with the air intake vent of dielectrophoresis filter house, the air outlet of described dielectrophoresis filter house is connected with exhaust passage, described dielectrophoresis filter house is made up of DEP purifying treating unit, described DEP purifying treating unit comprises DEP purifying electric pole plate, described DEP purifying electric pole plate is rollable and be curled into the shape that side is helix, described DEP purifying electric pole plate comprises DEP electrode, described DEP electrode comprises the anode and negative electrode that are oppositely arranged, described DEP electrode captures the particle in bag type filtering portion Exhaust Gas by dielectrophoresis force,
Described dielectrophoresis filter house comprises M purifying treating unit, a described M purifying treating unit is connected in parallel, the air inlet of a described M purifying treating unit is all connected with the air outlet in bag type filtering portion, and the air outlet of a described M purifying treating unit is connected with exhaust passage, and described M is positive integer;
Described DEP purifying treating unit comprises the housing with air inlet and air outlet, described case inside is provided with bindiny mechanism, described bindiny mechanism removably connects DEP purifying electric pole plate, described DEP purifying electric pole plate is rollable and be curled into the shape that side is helix, its stratiform space formed is fluid passage, DEP purifying electric pole plate adjacent two layers does not contact, described fluid passage and airintake direction parallel or substantially parallel, the one side of described DEP purifying electric pole plate is laid with DEP purified treatment electrode, described DEP purified treatment electrode comprises anode part and cathode portion, described anode part and cathode portion are interspersed, described anode part is repeated to form by anodic cycle, described cathode portion is repeated to form by cathode deposition period, a described anode and a negative electrode form a DEP electrode structure,
Described housing also has cleaning door, the plane orthogonal at described cleaning door place or be approximately perpendicular to the outgassing direction of DEP purifying electric pole plate, described cleaning door is closed by Valve controlling and is opened;
Described bindiny mechanism is vertical with airintake direction or substantially vertical, and described bindiny mechanism has through hole, and described bindiny mechanism is provided with the draw-in groove of zigzag shape distribution, described draw-in groove is interrupted structure, DEP purifying electric pole plate described in described draw-in groove clamping.
2. efficient composite deduster as claimed in claim 1, it is characterized in that, described DEP electrode structure comprises anode and negative electrode, described anode has anode first surface, described negative electrode has negative electrode first surface, described anode first surface and negative electrode first surface are oppositely arranged, described anode first surface has at least one anode protuberance, the top of described anode protuberance protrudes from the non-adjacent protuberance part of coupled described anode first surface, anode first surface region between two adjacent anode protuberance tops is not in one plane and section is non-rectangle, described negative electrode first surface has at least one negative electrode protuberance, the top of described negative electrode protuberance protrudes from the non-adjacent protuberance part of coupled described negative electrode first surface, negative electrode first surface region between two neighbouring cathode protuberance tops is not in one plane and section is non-rectangle.
3. efficient composite deduster as claimed in claim 2, it is characterized in that, anode first surface region between described two adjacent anode protuberance tops is cylinder, sphere, ellipsoid, curved section moves the cambered surface of formation or moves the cambered surface formed after being connected by many curved sections, and the mobile cambered surface formed after being connected by straightway and/or curved section; Negative electrode first surface region between described two neighbouring cathode protuberance tops is cylinder, sphere, ellipsoid, curved section moves the cambered surface of formation or the cambered surface moving and formed that is connected by many curved sections, and the cambered surface moving and formed that is connected by straightway and/or curved section.
4. efficient composite deduster as claimed in claim 1, it is characterized in that, described DEP electrode structure comprises anode and negative electrode, described anode have back to arrange first anode face and second plate face, described negative electrode have back to arrange the first cathode plane and the second cathode plane, described first anode face and the first cathode plane are oppositely arranged, described first anode face also comprises at least one anode protuberance, described anode protuberance is by vertical or subvertical anode leader and anode extension portion form mutually, anode extension portion is being greater than coupled anode leader size in the direction in which with the size in anode leader vertical direction, anode protuberance both sides are the empty septal area of anode,
Described first cathode plane also comprises at least one negative electrode protuberance, described negative electrode protuberance is by vertical or subvertical negative electrode lead division and extended cathode portion form mutually, extended cathode portion is being greater than coupled negative electrode lead division size in the direction in which with the size in negative electrode lead division vertical direction, and negative electrode protuberance both sides are the empty septal area of negative electrode;
Described anode protuberance to be deep in the empty septal area of negative electrode corresponding thereto and not to contact with negative electrode protuberance, and described negative electrode protuberance to be deep in anode sky septal area corresponding thereto and not to contact with anode protuberance.
5. efficient composite deduster as claimed in claim 4, it is characterized in that, described anode leader is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section; Described negative electrode lead division is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section;
Described anode extension portion is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section; Described extended cathode portion is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section.
6. efficient composite deduster as claimed in claim 1, it is characterized in that, described DEP electrode structure comprises anode and negative electrode, described anode have back to arrange first anode face and second plate face, described negative electrode have back to arrange the first cathode plane and the second cathode plane, described first anode face and the first cathode plane are oppositely arranged;
Described first anode face also comprises at least one anode protuberance, on section, described in width, anode protuberance the widest part is of a size of L1, most strong point degree of the being of a size of α × L1 of anode protuberance described in length direction, described L1, α are positive number, and described anode protuberance both sides are the empty septal area of anode near the region in first anode face;
Described first cathode plane also comprises at least one negative electrode protuberance, on section, described in width, negative electrode protuberance the widest part is of a size of L2, most strong point degree of the being of a size of β × L2 of negative electrode protuberance described in length direction, described L2, β are positive number, and described negative electrode protuberance both sides are the empty septal area of negative electrode near the region of the first cathode plane;
Described anode protuberance to be deep in the empty septal area of negative electrode corresponding thereto and not to contact with negative electrode, described negative electrode protuberance to be deep in the empty septal area of anode corresponding thereto and not to contact with anode, described anode protuberance and the overlapping length thereof L3 of negative electrode protuberance meet 0 < L3≤2 × L4, wherein, L4 is the greater in L1 and L2.
7. efficient composite deduster as claimed in claim 6, is characterized in that, described L1=L2, described 1 < α≤4,1 < β≤4;
Described anode and being spaced apart of negative electrode are greater than 0 and are less than or equal to 4 × L4;
Described anode protuberance is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section; Described negative electrode protuberance is cuboid, square, spheroid or spheroid, or the mobile solid formed after being joined end to end by limited bar straightway and/or curved section.
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| EP0583488A1 (en) * | 1991-01-25 | 1994-02-23 | ISODRA isolierte Feindrähte GmbH Wildenkuhlen | Process for biological treatment of exhaust gases and device for carrying out the same |
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