CN203024172U - Electric-acoustic combination coagulator capable of being embedded in flue - Google Patents
Electric-acoustic combination coagulator capable of being embedded in flue Download PDFInfo
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- CN203024172U CN203024172U CN 201220705673 CN201220705673U CN203024172U CN 203024172 U CN203024172 U CN 203024172U CN 201220705673 CN201220705673 CN 201220705673 CN 201220705673 U CN201220705673 U CN 201220705673U CN 203024172 U CN203024172 U CN 203024172U
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Abstract
The utility model relates to an electric-acoustic combination coagulator capable of being embedded in a flue. At present, an electric-acoustic combination coagulator which has an acoustic agglomeration effect is not available. The electric-acoustic combination coagulator capable of being embedded in the flue is characterized by comprising a positive high voltage power supply, a negative high voltage power supply, a plurality of rows of positive discharge electrode line sets, a plurality of rows of negative discharge electrode line sets, a plurality of rows of earth electrode line sets and a metal module, wherein the metal module is provided with a metal top cover and a metal base plate, a smoke channel is formed between the metal top cover and the metal base plate, each row of positive discharge electrode line sets comprises a plurality of positive discharge electrode lines, each row of negative discharge electrode line sets comprises a plurality of negative discharge electrode lines, each row of earth electrode line sets comprises a plurality of earth electrode lines, a row of earth electrode line sets is arranged between each two adjacent rows of positive discharge electrode line sets and negative discharge electrode line sets, a positive discharge channel is formed between each two adjacent rows of positive discharge electrode line sets and earth electrode line sets, and a negative discharge channel is formed between each two adjacent rows of negative discharge electrode line sets and earth electrode line sets. The electric-acoustic combination coagulator capable of being embedded in the flue is small in occupied space and capable of realizing the acoustic agglomeration effect.
Description
Technical field
The utility model relates to a kind of acoustoelectric combined coacervation device, especially relate to the embedded acoustoelectric combined coacervation device of a kind of flue, be used for carrying out charged to the dust of the ash-laden gas in flue, to form the Charged particle, and make the Charged particle aggregation form bulky grain together, mainly for the treatment of the ash-laden gas in the coal fired thermal power plant flue.
Background technology
Electric cleaner is cleaner commonly used in coal fired thermal power plant, and is although electric cleaner can be removed most of dust, very low to the clearance of PM10 and PM2.5, main cause is that particle is too little, be difficult for chargedly, and the electric cleaner vibration dust-cleaning easily causes reentrainment of dust, thereby causes secondary pollution.To this, Chinese scholars has been carried out large quantity research, and electric cleaner has been carried out certain improvement, yet is applied to industry seldom, and what produced examples of industrial application problems also occurred in application process.
In existing achievement in research, the effect of flue coacervation device is particularly remarkable, and has announced multinomial achievement in research, but the electrostatic coagulation device that existing flue knockouts all adopts without exception, belonging to Electric Field in ESP extends, by the heteropole electrion, make submicron particles charged, then at the knockouts afterbody, turbulent flow area is set, make the collision cohesion mutually under electrostatic force of charged submicron grade particles, form bulky grain, then enter electric cleaner, captured by dust collector pole and remove.But the installation requirement of existing electrostatic coagulation device is high, needs more than the straight flue length of electric cleaner entrance reaches 5m, a lot of power plant all do not reach this requirement at home, and practicality is relatively poor, in addition, the effect of existing dust cohesion neither be very desirable, also has a lot of problems in use procedure.
Open day is on November 30th, 2011, publication number is in the Chinese patent of CN202054687U, disclose a kind of ultrasonic flocculation equipment, this ultrasonic flocculation equipment comprises the pressure air-dissolving tank that connects successively, molten gas mixing channel, cracking reactor, filter and the PLC control system that is connected with above-mentioned each device; Be provided with reaction electrode in pressure air-dissolving tank; Cracking reactor is connected with the ultrasonic wave focused transducer.Reaction electrode produces a large amount of zwitterions, and the sewage medium is broken original poised state; Sewage enters molten gas mixing channel, and in sewage, charged impurity carries out coacervation.Sewage enters cracking reactor, and reactor sends powerful high-frequency sasser, forms tiny bubble, impurity absorption on minute bubbles, sedimentation rapidly.Sewage enters filter, has accelerated the sedimentation of sewage impurity, thereby reaches the effect of flocculation.This ultrasonic flocculation equipment is applicable to dispose of sewage, and is not suitable for smoke treatment.
In sum, also do not have at present a kind of simple in structurely, reasonable in design, take up room little, the time of staying of particle in knockouts is long, can reach the acoustoelectric combined coacervation device of sound coalescence effect.
The utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, and takes up room little, and the time of staying of particle in knockouts is long, can reach the embedded acoustoelectric combined coacervation device of flue of sound coalescence effect.
The technical scheme in the invention for solving the above technical problem is: the design feature of the embedded acoustoelectric combined coacervation device of this flue is: comprise positive high voltage power supply, negative high voltage power source, number row positive discharge electrode line group, number row negative discharge electrode line group, number row's ground connection polar curve group and be provided with casting coping and the metal module of metal base plate, described metal module is arranged in flue, form an exhaust gases passes between described casting coping and metal base plate, the direction of this exhaust gases passes is identical with flow of flue gas direction in flue; Every row's positive discharge electrode line group comprises some positive discharge electrode lines, the top and bottom of every positive discharge electrode line all are separately fixed on casting coping and metal base plate by insulator, this every positive discharge electrode line all is electrically connected to the positive high voltage power supply, and the orientation of some positive discharge electrode lines in every row's positive discharge electrode line group is identical with the flow of flue gas direction in flue; Every row's negative discharge electrode line group comprises some negative discharge electrode lines, the top and bottom of every negative discharge electrode line all are separately fixed on casting coping and metal base plate by insulator, this every negative discharge electrode line all is electrically connected to negative high voltage power source, and the orientation of some negative discharge electrode lines in every row's negative discharge electrode line group is identical with the flow of flue gas direction in flue; Every row's ground connection polar curve group comprises some ground connection polar curves, the top and bottom of every ground connection polar curve are separately fixed on casting coping and metal base plate, every ground connection polar curve all is connected with the flue shell by casting coping, and the orientation of some ground connection polar curves in every row's ground connection polar curve group is identical with the flow of flue gas direction in flue; Be provided with row's ground connection polar curve group between adjacent row's positive discharge electrode line group and row's negative discharge electrode line group, form a positive discharge channel between adjacent row's positive discharge electrode line group and row's ground connection polar curve group, form a negative discharge channel between adjacent row's negative discharge electrode line group and row's ground connection polar curve group, the direction of described exhaust gases passes, positive discharge channel and negative discharge channel is identical; Described sound wave generating device is arranged on the both sides of metal module, and this sound wave generating device comprises pipe-line system, is connected to several sonic generators on pipe-line system, and, be arranged on several acoustic waveguide tubes on corresponding sonic generator; Flow of flue gas perpendicular direction in described acoustic waveguide tube and flue.
As preferably, be parallel to each other between some positive discharge electrode lines in the every row's positive discharge electrode of the utility model line group.
As preferably, be parallel to each other between some negative discharge electrode lines in the every row's negative discharge electrode of the utility model line group.
As preferably, be parallel to each other between some ground connection polar curves in the every row of the utility model ground connection polar curve group.
As preferably, parallel between casting coping described in the utility model and metal base plate, the positive discharge electrode line is vertical with casting coping.
As preferably, parallel between casting coping described in the utility model and metal base plate, the negative discharge electrode line is vertical with casting coping.
As preferably, parallel between casting coping described in the utility model and metal base plate, the ground connection polar curve is vertical with casting coping.
As preferably, positive high voltage power supply described in the utility model is energy-conservation positive high voltage power supply.
As preferably, negative high voltage power source described in the utility model is energy-conservation negative high voltage power source.
The utility model compared with prior art has the following advantages and effect: 1, simple in structure, reasonable in design, and dependable performance; 2, can communicate between positive discharge channel and negative discharge channel, be conducive to particle collision cohesion; 3, utilize the low frequency sound wave of the sonic generator in sound wave generating device, can play the effect of sound coalescence, carry out acoustic perturbation on the flow of flue gas vertical direction, can extend the time of staying of particle in knockouts, make particle fully collision, charged in knockouts; 4, utilize the high-frequency sound wave of the sonic generator in sound wave generating device, can remove the dust stratification on positive discharge electrode line, negative discharge electrode line and ground connection polar curve, convenience and high-efficiency; 5, the two ends of positive discharge electrode line, negative discharge electrode line and ground connection polar curve are fixed, can be prevented effectively that the excessive or sound wave reason of flue gas flow rate causes the polar curve vibrations and the situation that causes the polar curve short circuit; 6, due to the effect of sound field, can extend the time of staying of particle in knockouts, thereby effectively shorten the total length of knockouts, reduced the application conditions of knockouts, enlarged applicable surface; 7, the source of the gas of sonic generator can adopt compressed air or superheated steam, and is cheap and easy to get, wide material sources; 8, modular unit can adopt the mode of embedded installation, can effectively improve the dismounting efficient of equipment; 9, positive discharge electrode line and negative discharge electrode line can adopt the irregular metal polar curve of section configuration, take up room little, can effectively solve the problem of knockouts resistance.
Description of drawings
Fig. 1 is that the embedded acoustoelectric combined coacervation device of the flue in the utility model embodiment is arranged on the plan structure schematic diagram in flue.
Fig. 2 is the structure for amplifying schematic diagram in left side in Fig. 1.
Fig. 3 is that in the utility model embodiment, the embedded acoustoelectric combined coacervation device of flue removes perspective view after sonic generator and pipe-line system.
Fig. 4 is the perspective view that in the utility model embodiment, the embedded acoustoelectric combined coacervation device of flue removes another visual angle after positive discharge electrode line group, negative discharge electrode line group 3 and ground connection polar curve group.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 4, the embedded acoustoelectric combined coacervation device of the flue in the present embodiment comprises positive high voltage power supply 11, negative high voltage power source 12, number row positive discharge electrode line group 2, number row negative discharge electrode line group 3, number row ground connection polar curve group 4 and is provided with the metal module 1 of casting coping 9 and metal base plate 10.
Metal module 1 in the present embodiment is arranged in flue 25, parallel between casting coping 9 and metal base plate 10, form an exhaust gases passes 24 between casting coping 9 and metal base plate 10, the direction of this exhaust gases passes 24 is identical with flow of flue gas direction in flue 25.As shown in drawings, the flow of flue gas direction in the present embodiment adopts direction x to represent.
Every row's positive discharge electrode line group 2 in the present embodiment comprises some positive discharge electrode lines 21, the top and bottom of every positive discharge electrode line 21 all are separately fixed on casting coping 9 and metal base plate 10 by insulator, the upper end that is positive discharge electrode line 21 is suspended on casting coping 9 by insulator, the lower end of positive discharge electrode line 21 is fixed on metal base plate 10 by insulator, and this every positive discharge electrode line 21 all is electrically connected to positive high voltage power supply 11.Be parallel to each other between some positive discharge electrode lines 21 in every row's positive discharge electrode line group 2, and positive discharge electrode line 21 is vertical with casting coping 9, and the orientation of some positive discharge electrode lines 21 in every row's positive discharge electrode line group 2 is identical with the flow of flue gas direction in flue 25.
Every row's negative discharge electrode line group 3 in the present embodiment comprises some negative discharge electrode lines 31, the top and bottom of every negative discharge electrode line 31 all are separately fixed on casting coping 9 and metal base plate 10 by insulator, the upper end that is negative discharge electrode line 31 is suspended on casting coping 9 by insulator, the lower end of negative discharge electrode line 31 is fixed on metal base plate 10 by insulator, and this every negative discharge electrode line 31 all is electrically connected to negative high voltage power source 12.Be parallel to each other between some negative discharge electrode lines 31 in every row's negative discharge electrode line group 3, and negative discharge electrode line 31 is vertical with casting coping 9, and the orientation of some negative discharge electrode lines 31 in every row's negative discharge electrode line group 3 is identical with the flow of flue gas direction in flue 25.
Every row's ground connection polar curve group 4 in the present embodiment comprises some ground connection polar curves 41, the top and bottom of every ground connection polar curve 41 are separately fixed on casting coping 9 and metal base plate 10, be that the upper end of ground connection polar curve 41 is by being fixed on casting coping 9, the lower end of ground connection polar curve 41 is fixed on metal base plate 10, and every ground connection polar curve 41 all is connected connection with the flue shell by casting coping 9.Be parallel to each other between some ground connection polar curves 41 in every row's ground connection polar curve group 4, and ground connection polar curve 41 is vertical with casting coping 9, the orientation of some ground connection polar curves 41 in every row's ground connection polar curve group 4 is identical with the flow of flue gas direction in flue 25.
Be provided with row's ground connection polar curve group 4 between adjacent row's positive discharge electrode line group 2 in the present embodiment and row's negative discharge electrode line group 3, be that positive discharge electrode line group 2, negative discharge electrode line group 3 and ground connection polar curve group 4 are interlaced arrangement, as can adopt the arrangement of " positive discharge electrode line group 2-ground connection polar curve group 4-negative discharge electrode line group 3-ground connection polar curve group 4-positive discharge electrode line group 2-", or the arrangement of " negative discharge electrode line group 3-ground connection polar curve group 4-positive discharge electrode line group 2-ground connection polar curve group 4-negative discharge electrode line group 3-".
In the present embodiment, adjacent row's positive discharge electrode line group 2 and is arranged between ground connection polar curve group 4 and is formed a positive discharge channel 22, form a negative discharge channel 23 between adjacent row's negative discharge electrode line group 3 and row's ground connection polar curve group 4, exhaust gases passes 24, positive discharge channel 22 are identical with the direction of negative discharge channel 23, and namely the direction of the direction of the direction of exhaust gases passes 24, positive discharge channel 22 and negative discharge channel 23 is all identical with flow of flue gas direction in flue 25.
Sound wave generating device in the present embodiment is arranged on the both sides of metal module 1, and this sound wave generating device comprises pipe-line system 6, is connected to several sonic generators 5 on pipe-line system 6, and, be arranged on several acoustic waveguide tubes 7 on corresponding sonic generator 5.Flow of flue gas perpendicular direction in acoustic waveguide tube 7 and flue 25, namely the generation perpendicular direction of sound wave is in the flow of flue gas direction.
The utility model uses modular construction, and cage construction adopts embedded mounting means to be installed in flue 25 usually, thus in title of the present utility model titled with " embedded " three words.The frequency of sound wave that sonic generator 5 produces is adjustable, the low frequency sound wave of sonic generator 5 is used for dust sound coalescence, the horizontal rough air of sound wave can extend the time of staying of dust in electric field, promote simultaneously dust collision coalescence, in coalescence and after big dust particle can also continue charged in electric field; The high-frequency sound wave of sonic generator 5 is used for removing the dust stratification of positive and negative discharge plume and ground connection polar curve.Sonic generator 5 is arranged in the both sides of metal module 1, and perpendicular to the flow of flue gas direction, source of the gas system 6 by the road is delivered to sonic generator 5, and acoustic waveguide tube 7 exhales the sound wave that produces, and reaches the purpose of sound coalescence and removal dust stratification.
The source of the gas of the sonic generator 5 in the utility model can be compressed air and/or superheated steam, and the total length of the embedded acoustoelectric combined coacervation device of flue can be not more than 4m.Positive high voltage power supply 11 in the present embodiment can be energy-conservation positive high voltage power supply, and negative high voltage power source 12 can be energy-conservation negative high voltage power source.
The embedded acoustoelectric combined coacervation device of flue in the present embodiment is mainly for the treatment of the ash-laden gas in the coal fired thermal power plant flue, can adopt embedded mounting means to be installed in flue 25, during work, positive discharge electrode line group 2 and negative discharge electrode line group 3 connect respectively the positive high voltage of positive high voltage power supply 11 outputs and the negative high voltage of negative high voltage power source 12 outputs, ground connection polar curve group 4 was connected casting coping 9 and was connect flue shell 13, one end of all polar curves is suspended on casting coping 9 by insulator, and the other end is fixed on metal base plate 10 by insulator.After switching on power, a plurality of discharge channels of the interior formation of whole metal module 1, owing to there being effective spacing between each polar curve, all each discharge channels are in parallel along the flue gas direction, and the flue cross-sectional direction also can communicate.Form positive discharge channel 22 between positive discharge electrode line group 2 and ground connection polar curve group 4, can make the dust granules by positive discharge channel 22 carry positive charge, form negative discharge channel 23 between negative discharge electrode line group 3 and ground connection polar curve group 4, dust granules by negative discharge channel 23 carries negative electrical charge, when the gas that contains dust granules enters respectively two discharge channels, can carry positive charge or negative electrical charge.Sonic generator 5 is arranged in the both sides of metal module 1, and the sound wave of generation is propagated perpendicular to the flow of flue gas direction, makes flue gas carry out violent disturbance.Lateral displacement occurs in the Charged particle in positive discharge channel 22 and negative discharge channel 23 under the effect of sound wave, then fierce collision and formation bulky grain agglomerated together occur between each electrically charged particle.The neutral bulky grain of some the rear formation of electrically charged particle collision can continue charged in electric field, continues the collision cohesion, forms large particle diameter electrically charged particle and enters electric cleaner 30 with flue gas.Positive discharge electrode line 21 and negative discharge electrode line 31 can adopt the irregular metal polar curve of section configuration, and the electric field of positive discharge channel 22 and the electric field of negative discharge channel 23 are non-constant electric field.
The embedded acoustoelectric combined coacervation device of flue in the present embodiment simple in structure, reasonable in design takes up room little, and the time of staying of particle in knockouts is long, can reach sound coalescence effect, is conducive to dedusting, can effectively improve efficiency of dust collection, is conducive to environmental protection.
In addition, need to prove, the specific embodiment described in this specification, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this specification is only to the explanation of the utility model structure example.All equivalence variation or simple change of doing according to the described structure of the utility model patent design, feature and principle are included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (9)
1. embedded acoustoelectric combined coacervation device of flue, it is characterized in that: comprise positive high voltage power supply, negative high voltage power source, number row positive discharge electrode line group, number row negative discharge electrode line group, number row's ground connection polar curve group and be provided with casting coping and the metal module of metal base plate, described metal module is arranged in flue, form an exhaust gases passes between described casting coping and metal base plate, the direction of this exhaust gases passes is identical with flow of flue gas direction in flue; Every row's positive discharge electrode line group comprises some positive discharge electrode lines, the top and bottom of every positive discharge electrode line all are separately fixed on casting coping and metal base plate by insulator, this every positive discharge electrode line all is electrically connected to the positive high voltage power supply, and the orientation of some positive discharge electrode lines in every row's positive discharge electrode line group is identical with the flow of flue gas direction in flue; Every row's negative discharge electrode line group comprises some negative discharge electrode lines, the top and bottom of every negative discharge electrode line all are separately fixed on casting coping and metal base plate by insulator, this every negative discharge electrode line all is electrically connected to negative high voltage power source, and the orientation of some negative discharge electrode lines in every row's negative discharge electrode line group is identical with the flow of flue gas direction in flue; Every row's ground connection polar curve group comprises some ground connection polar curves, the top and bottom of every ground connection polar curve are separately fixed on casting coping and metal base plate, every ground connection polar curve all is connected with the flue shell by casting coping, and the orientation of some ground connection polar curves in every row's ground connection polar curve group is identical with the flow of flue gas direction in flue; Be provided with row's ground connection polar curve group between adjacent row's positive discharge electrode line group and row's negative discharge electrode line group, form a positive discharge channel between adjacent row's positive discharge electrode line group and row's ground connection polar curve group, form a negative discharge channel between adjacent row's negative discharge electrode line group and row's ground connection polar curve group, the direction of described exhaust gases passes, positive discharge channel and negative discharge channel is identical; Described sound wave generating device is arranged on the both sides of metal module, and this sound wave generating device comprises pipe-line system, is connected to several sonic generators on pipe-line system, and, be arranged on several acoustic waveguide tubes on corresponding sonic generator; Flow of flue gas perpendicular direction in described acoustic waveguide tube and flue.
2. the embedded acoustoelectric combined coacervation device of flue according to claim 1, is characterized in that: be parallel to each other between some positive discharge electrode lines in every row's positive discharge electrode line group.
3. the embedded acoustoelectric combined coacervation device of flue according to claim 1, is characterized in that: be parallel to each other between some negative discharge electrode lines in every row's negative discharge electrode line group.
4. the embedded acoustoelectric combined coacervation device of flue according to claim 1, is characterized in that: be parallel to each other between some ground connection polar curves in every row's ground connection polar curve group.
5. the embedded acoustoelectric combined coacervation device of flue according to claim 1, it is characterized in that: parallel between described casting coping and metal base plate, the positive discharge electrode line is vertical with casting coping.
6. the embedded acoustoelectric combined coacervation device of flue according to claim 1, it is characterized in that: parallel between described casting coping and metal base plate, the negative discharge electrode line is vertical with casting coping.
7. the embedded acoustoelectric combined coacervation device of flue according to claim 1, it is characterized in that: parallel between described casting coping and metal base plate, the ground connection polar curve is vertical with casting coping.
8. the embedded acoustoelectric combined coacervation device of flue according to claim 1, it is characterized in that: described positive high voltage power supply is energy-conservation positive high voltage power supply.
9. the embedded acoustoelectric combined coacervation device of flue according to claim 1, it is characterized in that: described negative high voltage power source is energy-conservation negative high voltage power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220705673 CN203024172U (en) | 2012-12-19 | 2012-12-19 | Electric-acoustic combination coagulator capable of being embedded in flue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220705673 CN203024172U (en) | 2012-12-19 | 2012-12-19 | Electric-acoustic combination coagulator capable of being embedded in flue |
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| CN203024172U true CN203024172U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220705673 Expired - Lifetime CN203024172U (en) | 2012-12-19 | 2012-12-19 | Electric-acoustic combination coagulator capable of being embedded in flue |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047669A (en) * | 2012-12-19 | 2013-04-17 | 华电电力科学研究院 | Flue embedded acoustic-electric joint condenser |
-
2012
- 2012-12-19 CN CN 201220705673 patent/CN203024172U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047669A (en) * | 2012-12-19 | 2013-04-17 | 华电电力科学研究院 | Flue embedded acoustic-electric joint condenser |
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Granted publication date: 20130626 |