CN204672072U - A kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust - Google Patents
A kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust Download PDFInfo
- Publication number
- CN204672072U CN204672072U CN201520167581.8U CN201520167581U CN204672072U CN 204672072 U CN204672072 U CN 204672072U CN 201520167581 U CN201520167581 U CN 201520167581U CN 204672072 U CN204672072 U CN 204672072U
- Authority
- CN
- China
- Prior art keywords
- dust
- orifice plate
- gathers
- embedded
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The utility model discloses a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust, belong to air contaminant treatment field, can solve that existing embedded-type electric bag complex dust collector reentrainment of dust is large, efficiency of dust collection declines and the technical problem such as life of bag filter shortening.This embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust comprises the prime corona discharge electrode of prime electric field dedusting area, prime dust collector pole and the rear class corona discharge electrode framework in embedded-type electric bag composite dedusting district, the compound orifice plate that gathers dust, filter bag group; The compound orifice plate that gathers dust of described every part comprises gather dust orifice plate and the auxiliary dust collection plate more than two pieces be all connected with the described orifice plate that gathers dust, and described every part assists dust collection plate to arrange with described one on the orifice plate that gather dust or two arrange or relative thirty years of age of some row passages.When carrying out deashing to the described compound orifice plate that gathers dust, the meeting grazing in dropping process of a fraction of sheet dust and bulk dust is only had to described auxiliary dust collection plate edge, thus to greatly reduce reentrainment of dust.
Description
Technical field
The utility model relates to industrial dedusting field, particularly relates to a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust.
Background technology
Along with economic and social development, Environmental protection is more and more paid attention to, to PM2.5, SO
3acid mist, mercury etc. are very urgent with the control discharge of the pollutant that aerosol form exists.Environmental Protection Department and State Administration for Quality Supervision and Inspection and Quarantine combine in " ambient air quality " (GB3095-2012) of issue and add PM2.5 monitoring index.And Environmental Protection Department requirement, within 2012, take the lead in implementing " ambient air quality " (GB3095-2012) in the key areas such as Jing-jin-ji region, the Yangtze River Delta, Pearl River Delta and municipality directly under the Central Government and provincial capital.
In the industries such as thermal power generation, production of construction materials and metallurgy, people widely applicable industry deduster trap the dust in flue gas, to reduce the PM2.5 concentration in air, thus improve atmosphere quality and protection health.At present, electric-bag complex dust collector is a kind of conventional industrial dust collector.In generation nineteen ninety, a kind of embedded-type electric bag complex dust collector is developed in North Dakota university energy and environment research center (EERC) foundation.The principal character of this deduster is: between two row's filter bags 100 of arbitrary neighborhood, embed the orifice plate 110 that gathers dust that two rows have passage, and gather dust between orifice plate 110 this two row and be provided with row's corona wire 120, thus form an embedded-type electric bag composite dedusting district, refer to Fig. 1.Described embedded-type electric bag composite dedusting district comprises the electric field dedusting area with several electric field channel and the filter bag dedusting area with some row's filter bags 100.Ash-laden gas is first removed most of dust in described electric field dedusting area, and then enters described filter bag dedusting area by the passage gathered dust on orifice plate 110, is then filtered by filter bag 100.In embedded-type electric bag composite dedusting district, when carrying out vibration dust-cleaning to the described orifice plate 110 that gathers dust, major part in the form of sheets or bulk depart from the dust of pole plate, directly can fall into ash bucket, and described gather dust orifice plate 110 vibration dust-cleaning time the reentrainment of dust that produces in, overwhelming majority dust then along with flue gas pass through described in the adjacent gap of gathering dust between orifice plate 110 of passage on orifice plate 110 or front and back of gathering dust enter described filter bag dedusting area, then adsorbed by described filter bag 100.When carrying out pulse jetting deashing to a certain row's filter bag 100, the dust departing from filter bag in lumps directly can fall into ash bucket, the scattered dust that a part does not fall into ash bucket then can be blown into described electric field dedusting area, and then the charged and orifice plate 110 that gathered dust traps, the reentrainment of dust produced when thus greatly reducing filter bag ash removal is again by possibility that row's filter bag 100 of firm clear complete ash adsorbs; In addition the Charged entrained by flue gas of described filter bag dedusting area is entered, (distance moving to filter bag 100 processes from described electric field dedusting area because of it is shorter with the more quantity of electric charge to be adsorbed fashion by filter bag 100, therefore the quantity of electric charge lost in transition process is less), make the dust layer being deposited on filter bag 100 surface comparatively fluffy, thus sock filtration wind speed allows up to 3.0m/min, therefore this embedded-type electric bag complex dust collector has, and efficiency of dust collection is high, sock filtration wind speed is high, equipment volume is little, the filter bag ash removal cycle long and the advantage of life of bag filter length.
Percent opening because of the described orifice plate 110 that gathers dust has reached more than 30% and the dust-collecting area of described electric field dedusting area is significantly reduced, and causes its efficiency of dust collection significantly to decline, causes the inlet flue gas dust content of described filter bag dedusting area to raise.So need suitably to shorten the filter bag ash removal cycle, embedded-type electric bag complex dust collector efficiency of dust collection is thus made to decline and life of bag filter shortening.2013, the people such as Tsing-Hua University Song Qiang developed a kind of enhancing coupled mode embedded-type electric bag complex dust collector with prime electrostatic district.By setting up that propped by three metallic support rod, identical with a described round vent size and shape circular blast cap (see Fig. 2) above each round vent of the orifice plate that gathers dust, significantly add the dust-collecting area in rear class electrostatic district, significantly reduce the exiting flue gas dust content in rear class electrostatic district and the inlet flue gas dust content of filter bag dedusting area, therefore can the proper extension filter bag ash removal cycle, to improve this deduster efficiency of dust collection and to extend life of bag filter, refer to the application for a patent for invention description that patent application publication number is CN 103566695 A.
When carrying out vibration dust-cleaning to the dust collector pole in embedded-type electric bag composite dedusting district, major part in the form of sheets or bulk depart from blast cap orifice plate (see Fig. 2) dust directly can fall into ash bucket, but some departs from sheet dust and the bulk dust of the circular blast cap of blast cap orifice plate, owing to being subject to the impact that flue gas flows towards filter bag in dropping process, circular blast cap edge or the metallic support rod of the blast cap orifice plate be positioned at below these dust disengagings place will be encountered, then be shattered into the dust of some smaller pieces or the dust of some less groups, and produce some reentrainment of dusts being about to be adsorbed by filter bag.In addition, some departs from sheet dust and the bulk dust of the orifice plate that gathers dust of blast cap orifice plate, in dropping process can along with flue gas pass through described in the round vent that gathers dust on orifice plate, then continuing in the process fallen also owing to being subject to the impact that flue gas flows towards filter bag, wherein there are some sheet dust and bulk dust can encounter circular blast cap or the metallic support rod of blast cap orifice plate, then also be shattered into the dust of some smaller pieces or the dust of some less groups, and produce some reentrainment of dusts being about to be adsorbed by filter bag.So need suitably to shorten the filter bag ash removal cycle, the efficiency of dust collection strengthening coupled mode embedded-type electric bag complex dust collector is caused to decline and life of bag filter shortening.Therefore, the sheet dust come off when how effectively to reduce the dust collector pole deashing because of embedded-type electric bag composite dedusting district and bulk dust encounter to gather dust with it part that orifice plate is connected and the reentrainment of dust produced in dropping process, are the technical problems that we need to solve at present.
Utility model content
The purpose of this utility model is to provide a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust, the sheet dust come off during effectively to reduce the dust collector pole deashing because of embedded-type electric bag composite dedusting district and bulk dust encounter to gather dust with it part that orifice plate is connected and the reentrainment of dust produced in dropping process, then adopt the long filter bag ash removal cycle, then can save efficiency of dust collection and the PM2.5 clearance of filter bag ash removal energy consumption, prolongation life of bag filter and raising embedded-type electric bag complex dust collector further.
In order to achieve the above object, the utility model adopts following technical scheme:
There is an embedded-type electric bag complex dust collector for the compound orifice plate that gathers dust, comprise prime electric field dedusting area and embedded-type electric bag composite dedusting district; Described prime electric field dedusting area comprises prime corona discharge electrode and prime dust collector pole; Described embedded-type electric bag composite dedusting district comprises the rear class electric field dedusting area with several rear class electric field channel and the filter bag dedusting area with several filter bag groups; Between two rear class electric field channel of arbitrary neighborhood, be provided with a filter bag group, described each filter bag group at least comprises row's filter bag; Described rear class electric field dedusting area comprises some rear class corona discharge electrode frameworks and some the compound orifice plates that gather dust; The compound orifice plate that gathers dust of described every part comprises gather dust orifice plate and the auxiliary dust collection plate more than two pieces be all connected with the described orifice plate that gathers dust that is provided with a plurality of passage, and described every part assists dust collection plate to arrange with described one on the orifice plate that gather dust or two arrange or relative thirty years of age of some row passages.
Preferably, the middle part parabolically shape of the cross section of described auxiliary dust collection plate, the arc of both sides all in opening upwards of the cross section of described auxiliary dust collection plate; The middle part of described auxiliary dust collection plate is fixedly connected with the described orifice plate that gathers dust.
Preferably, the longitudinal centre line of described auxiliary dust collection plate is provided with several bolts hole, described auxiliary dust collection plate is bolted to connection and gathers dust on orifice plate described.
Preferably, the compound orifice plate that gathers dust of a row is provided with in every side of described each rear class electric field channel, in the compound orifice plate that the gathers dust windproof ditch side of described each rear class electric field channel both sides all towards described rear class electric field channel center line, be beneficial to the described compound orifice plate that gathers dust and trap the dust entered in described rear class electric field channel.
Preferably, the rear class corona wire height on described rear class corona discharge electrode framework and described all at least large than the filter bag length in described filter bag group three meters of the orifice plate height that gathers dust; Top and the middle part thereof of the described orifice plate that gathers dust all are provided with several passages, but described in the gather dust bottom of orifice plate passage is not set, with the specific collection area of the orifice plate that gathers dust described in increasing.
Preferably, the auxiliary corona discharge electrode framework that one has some auxiliary electrical hachures is provided with in often arrange immediately below filter bag adjacent with the described compound orifice plate that gathers dust, and described auxiliary corona discharge electrode frame parallel is in described rear class electric field channel center line, to form electric field at described auxiliary corona discharge electrode framework and described compound gathering dust between orifice plate bottom, thus compound orifice plate bottom of gathering dust is made to have two-sided dust-collecting function.
Preferably, be all provided with a lower deep bead in the below of described each filter bag group, to reduce the air-flow rate of climb bottom described filter bag dedusting area; The cross section of described lower deep bead is in-line or L-shaped or V-shaped.
Preferably, be all provided with a front wind screen in the dead ahead of described each filter bag group, rush in described rear class electric field channel to make major part from prime electric field dedusting area flue gas out.
Preferably, the rounded or rectangle of the vent shapes gathered dust described on orifice plate or triangle.
Preferably, the passage arrangement gathered dust described on orifice plate is in-line arrangement or is staggered in arrangement.
A kind ofly have in the embedded-type electric bag complex dust collector of the compound orifice plate that gathers dust provided by the utility model, when carrying out deashing to the described compound orifice plate that gathers dust, major part in the form of sheets or bulk depart from the dust of the described compound orifice plate that gathers dust and directly can fall into ash bucket, sub-fraction is but had to depart from sheet dust and the bulk dust of described auxiliary dust collection plate, in dropping process due to be subject to impact that flue gas flows towards filter bag will grazing to described auxiliary dust collection plate edge, and produce a small amount of reentrainment of dust by being adsorbed by filter bag (compared with prior art, reentrainment of dust amount significantly reduces), in addition, some depart from described in gather dust the sheet dust of orifice plate and bulk dust, in dropping process can along with flue gas pass through described in the passage that gathers dust on orifice plate, then continue to fall, although this part of sheet and bulk dust are also subject to the impact that flue gas flows towards filter bag in the process continuing whereabouts, but wherein only there are a fraction of sheet dust and bulk dust meeting grazing to described auxiliary dust collection plate edge, thus a small amount of reentrainment of dust (compared with prior art, reentrainment of dust amount significantly reduces) being about to be adsorbed by filter bag is only produced.Therefore, adopt a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust provided by the utility model, the sheet dust come off when effectively can reduce the dust collector pole deashing because of embedded-type electric bag composite dedusting district and bulk dust encounter to gather dust with it part that orifice plate is connected and the reentrainment of dust produced in dropping process, then adopt the long filter bag ash removal cycle, then can save efficiency of dust collection and the PM2.5 clearance of filter bag ash removal energy consumption, prolongation life of bag filter and raising embedded-type electric bag complex dust collector.In addition, because the described often row passage number gathered dust on orifice plate is n (n is generally the natural number being greater than 50), when every part assist dust collection plate to arrange with one on the orifice plate that gather dust or two arrange or some row passages relative and immediately, every part described in the utility model assist dust collection plate be equivalent to be arranged in from top to bottom n or 2n on existing a kind of blast cap orifice plate (patent see patent application publication number is CN 103566695 A) or K × n (K be greater than or equal to 3 natural number) the circular blast cap of part, the auxiliary dust collection plate of one that is in the utility model compound orifice plate that gathers dust just is equivalent to be arranged on existing a kind of blast cap orifice plate tens even up to a hundred circular blast caps from top to bottom, thus the production efficiency of the compound orifice plate that gathers dust is greatly increased.
In further embodiment, the middle part parabolically shape of the cross section of described auxiliary dust collection plate, and the arc of the both sides of its cross section all in opening upwards; The middle part of described auxiliary dust collection plate is fixedly connected with the orifice plate that gathers dust (can weld, also can bolt connect).Preferably, the longitudinal centre line of described auxiliary dust collection plate is provided with several bolts hole, and described auxiliary dust collection plate is bolted to connection and gathers dust on orifice plate described.Like this, the area of auxiliary dust collection plate greatly increases and auxiliary dust collection plate also has windproof ditch, enter in the process of described filter bag dedusting area at flue gas by the compound passage gathered dust on orifice plate, auxiliary dust collection plate can trap more Charged, thus reduce further the inlet flue gas dust content of described filter bag dedusting area, therefore the filter bag ash removal cycle can be extended further, to improve embedded-type electric bag complex dust collector efficiency of dust collection and to extend life of bag filter.
In further embodiment, the compound orifice plate that gathers dust of a row is provided with in every side of described each rear class electric field channel, in the compound orifice plate that the gathers dust windproof ditch side of described each rear class electric field channel both sides all towards described rear class electric field channel center line, be conducive to the described compound orifice plate that gathers dust like this and trap the dust entered in described rear class electric field channel, thus reduce the inlet flue gas dust content of described filter bag dedusting area further.
In further embodiment, all at least large than the filter bag length in described filter bag group three meters of the orifice plate height that gathers dust of the rear class corona wire height on described rear class corona discharge electrode framework and the described compound orifice plate that gathers dust, and described in orifice plate bottom of gathering dust passage is not set, with the specific collection area of the orifice plate that gathers dust described in significantly increasing, and be provided with in often arrange immediately below filter bag adjacent with the described compound orifice plate that gathers dust the auxiliary corona discharge electrode framework that has some auxiliary electrical hachures, to utilize described compound orifice plate bottom of gathering dust to carry out two-sided gathering dust, thus significantly reduce the exiting flue gas dust content of described rear class electric field dedusting area and the inlet flue gas dust content of described filter bag dedusting area, and then the proper extension filter bag ash removal cycle, then further can improve embedded-type electric bag complex dust collector efficiency of dust collection and extend life of bag filter.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of typical embedded-type electric bag complex dust collector;
Fig. 2 is that the axle of existing a kind of blast cap orifice plate measures intention;
Fig. 3 is the structural representation of the utility model embodiment;
The schematic top plan view (removing air inlet smoke box) that Fig. 4 is the bag complex dust collector of embedded-type electric shown in Fig. 3;
Fig. 5 is the A-A sectional view (removing rear class corona discharge electrode side arm sinker device and rear class dust collector pole side arm sinker device) in Fig. 3;
Fig. 6 is the partial enlarged drawing I in Fig. 4;
Fig. 7 is the schematic front view of the compound orifice plate that gathers dust in the utility model embodiment;
Fig. 8 is the schematic top plan view of the compound orifice plate that gathers dust in the utility model embodiment;
Fig. 9 is the schematic front view of orifice plate of gathering dust in the utility model embodiment;
Figure 10 is the another kind of round vent arrangement schematic diagram gathered dust in the utility model embodiment on orifice plate;
Figure 11 is that in the utility model embodiment, every part assists dust collection plate relative with the row passage gathered dust on orifice plate and the schematic top plan view of the compound orifice plate that gathers dust immediately;
Figure 12 is that in the utility model embodiment, every part assists dust collection plate relative with the three row passages gathered dust on orifice plate and the schematic top plan view of the compound orifice plate that gathers dust immediately.
Respectively expression is marked in figure:
1-air inlet smoke box; 2-housing; 3-prime corona discharge electrode; 4-prime dust collector pole; 5-rear class corona discharge electrode framework; 6-compound the orifice plate that gathers dust; The orifice plate that gathers dust of the 61-compound orifice plate that gathers dust; The auxiliary dust collection plate of 62,62a, 62b-compound orifice plate that gathers dust; 63-hexagon socket cap head screw; 64-plain cushion; 65-bullet pad; 66-nut; 7-filter bag; 8-front wind screen; 9-prime corona discharge electrode top rapping device; 10-prime dust collector pole top rapping device; 11-air-purifying chamber; 12-exhaust pass; 13-filter bag ash removal device; 14-rear class corona discharge electrode side arm sinker device; 15-rear class dust collector pole side arm sinker device; 16-steel bracket; 17-ash bucket; 18-lower housing portion spoiler; 19-auxiliary corona discharge electrode framework; 20-auxiliary corona discharge electrode suspending rod; 21-rear class corona discharge electrode suspending rod; 22-lower deep bead; 23-high-frequency and high-voltage power supply (I); 24-high-frequency and high-voltage power supply (II); 25-rear class corona discharge electrode hanging beam; 26-auxiliary corona discharge electrode hanging beam; 100-filter bag; 110-gather dust orifice plate; 120-corona wire.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figures 3 to 6, a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust provided by the utility model, comprises air inlet smoke box 1, housing 2, prime electric field dedusting area and embedded-type electric bag composite dedusting district.Described prime electric field dedusting area comprises prime corona discharge electrode 3, prime dust collector pole 4, and adapted a set of prime corona discharge electrode top rapping device 9, a set of prime dust collector pole top rapping device 10 and a set of high-frequency and high-voltage power supply (I) 23.Described embedded-type electric bag composite dedusting district comprises the rear class electric field dedusting area with 12 rear class electric field channel (note: channel width is 400mm) and the filter bag dedusting area with 11 filter bag groups, and described each filter bag group comprises row's filter bag 7.A lower housing portion spoiler 18 vertically installed is provided with, in order to avoid the flue gas flow rate bottom described rear class electric field channel is bigger than normal between bottom described prime electric field dedusting area and bottom described rear class electric field dedusting area.
Described rear class electric field dedusting area comprises 12 rear class corona discharge electrode frameworks 5,24 and arranges the compound orifice plate 6 that gathers dust, and adapted two overlaps rear class corona discharge electrode side arm sinker device 14, a set of rear class dust collector pole side arm sinker device 15 and a set of high-frequency and high-voltage power supply (II) 24.Every part rear class corona discharge electrode framework 5 comprises the rear class corona wire that 14 height are 14000mm; Often arrange the compound orifice plate 6 that gathers dust and comprise the compound orifice plate 6 that gathers dust that eight height are 14500mm, width is 480mm, and the adjacent compound gap of gathering dust between orifice plate 6 of two pieces, front and back equals 20mm; Gather dust orifice plate 6 windproof ditch side all towards described rear class electric field channel center line (see Fig. 6) the compound of described each rear class electric field channel both sides, is beneficial to the described compound orifice plate 6 that gathers dust and traps the dust entered along with flue gas in described rear class electric field channel.
A filter bag group is provided with between two rear class electric field channel of described arbitrary neighborhood; All be provided with a front wind screen 8 in the dead ahead of described each filter bag group, rush in described rear class electric field channel to make major part from described prime electric field dedusting area flue gas out.The lower deep bead 22 (note: the cross section of lower deep bead 22 can change in L-shaped or V-shaped) that a cross section is in-line is all provided with, to reduce the air-flow rate of climb bottom filter bag dedusting area in the below of described each filter bag group; Lower deep bead 22 front end is connected with bottom front wind screen 8, and lower deep bead 22 rear end is connected with the middle part antiswing device (note: not shown) of rear class dust collector pole.Described each filter bag group comprise a row have 16 long for 9500mm, diameter be the filter bag 7 of 180mm, the gap between two filter bags 7 that front and back are adjacent equals 70mm; Described filter bag 7 of often arranging all is parallel to described rear class electric field channel; Arranging compound distance of gathering dust between orifice plate 6 in two of described often row filter bag 7 both sides is 400mm.
In addition, be provided with one in often arrange adjacent with the described compound orifice plate 6 that gathers dust immediately below filter bag 7 and there is the auxiliary corona discharge electrode framework 19 that 14 height are the auxiliary electrical hachure of 4200mm, and described auxiliary corona discharge electrode framework 19 (note: totally ten one) is parallel to described rear class electric field channel center line, to form electric field at described auxiliary corona discharge electrode framework 19 and described compound gathering dust between orifice plate 6 bottom, thus make compound orifice plate 6 bottom of gathering dust have two-sided dust-collecting function, and reduce the inlet flue gas dust content of described filter bag dedusting area further.Each auxiliary corona discharge electrode framework 19 is hung on auxiliary corona discharge electrode hanging beam 26, auxiliary corona discharge electrode hanging beam 26 is suspended on rear class corona discharge electrode hanging beam 25 by auxiliary corona discharge electrode suspending rod 20, and rear class corona discharge electrode hanging beam 25 is suspended on pressure-bearing insulator by rear class corona discharge electrode suspending rod 21.
As shown in Figure 7 to 9, the compound orifice plate 6 that gathers dust of every part comprises gather dust orifice plate 61 and three the auxiliary dust collection plates 62 be all connected with the described orifice plate 61 that gathers dust that is provided with a plurality of passage, and some hexagon socket cap head screws 63, some plain cushions 64, some bullet pads 65, some nuts 66, and described every part assist dust collection plate 62 all with relative thirty years of age of the described two row round vent gathered dust on orifice plate 61.After by bolt described auxiliary dust collection plate 62 being fastened on the orifice plate 61 that gathers dust, more described nut 66 and described hexagon socket cap head screw 63 are welded.
The gather dust height of orifice plate 61 and width is respectively 14500mm, 480mm; Gather dust the two ends of cross section of orifice plate 61 all in crotch shape (see Fig. 8), and namely its two ends are provided with windproof ditch, and its windproof ditch side is all towards described rear class electric field channel center line; The gather dust top of orifice plate 61 and middle part thereof is all provided with the round vent (note: vent shapes can change rectangle or triangle into) that six row diameters are 35mm, but the bottom of the orifice plate 61 that gathers dust does not arrange passage, to increase the specific collection area of the orifice plate 61 that gathers dust; Being staggered in arrangement at the round vent on orifice plate 61 that gathers dust is the current path that flue gas in rear class electric field channel enters filter bag dedusting area; The gather dust top of orifice plate 61 and middle part thereof is also provided with three row mounting holes; Height and the width of auxiliary dust collection plate 62 are respectively 8978mm and 95mm; The longitudinal centre line of auxiliary dust collection plate 62 is provided with symmetrical several bolts hole (note: its diameter is 7.0mm), is gathering dust on orifice plate 61 so that auxiliary dust collection plate 62 is bolted to connection; The middle part parabolically shape (see Fig. 8) of the cross section of auxiliary dust collection plate 62, the arc (see Fig. 8) of both sides all in opening upwards of the cross section of auxiliary dust collection plate 62, be beneficial to auxiliary dust collection plate 62 to be entered in the process of described filter bag dedusting area by the compound passage gathered dust on orifice plate 6 at flue gas and trap Charged, thus reduce the inlet flue gas dust content of described filter bag dedusting area further.
In addition, what need explanation has 4 points:
One is the production cost in order to reduce rear class dust collector pole, does not set the dust collection plate of passage (note: dust collection plate width as 480mm) to replace being positioned at the compound orifice plate 6 that gathers dust of outermost two row in rear class electric field dedusting area with two rows, refers to Fig. 4.
Two is the orifice plates that gather dust in the utility model be become definite shape by mill milling after, such as roll into C shape pole plate, or BE type pole plate or ZT shape pole plate, and then on pole plate, offer passage make.
Three is can change in-line arrangement at the round vent arrangement on orifice plate 61 that gathers dust, and refers to Figure 10.
Four be can with six of being highly all 8978mm the replacement of auxiliary dust collection plate 62a (or two pieces assists dust collection plate 62b) three auxiliary dust collection plates 62 being connected with the described orifice plate 61 that gathers dust; Described every part assists dust collection plate 62a (or 62b) to be all connected with the described orifice plate 61 that gathers dust, and all arranges (or three arrange) round vent relative thirty years of age with one of the described orifice plate 61 that gathers dust, refers to Figure 11 (or Figure 12).Certainly, the bolt hole that the row that the bolt hole that now it is 7.0mm that described every part assists dust collection plate 62a or 62b all to have by several diameters forms are symmetrical, and described in the gather dust top of orifice plate 61 and middle part thereof be provided with five row mounting holes (note: a middle row mounting hole is used for installing middle two pieces and assists dust collection plate 62a, all the other four row mounting holes are for installing all the other four auxiliary dust collection plate 62a) or two row mounting holes (note: two row mounting holes assist dust collection plate 62b for installing two pieces).
Flue gas enters the prime electric field dedusting area in housing 2 from air inlet smoke box 1 after, prime corona discharge electrode 3 and prime dust collector pole 4 can trap the most of dust in flue gas.Owing to being all provided with a front wind screen 8 in the dead ahead of each filter bag group, major part just rushes in rear class electric field channel from prime electric field dedusting area flue gas out, most dust then in these flue gases are again charged in rear class electric field dedusting area, and some Charged is trapped by compound orifice plate 6 or the rear class corona discharge electrode framework 5 of gathering dust, some are wherein had to enter the dust of rear class electric field channel bottom along with flue gas, at flue gas in front process of then advancing, or in the process to rise in the middle part of rear class electric field channel at flue gas, trapped by the bottom of the bottom of the compound orifice plate 6 that gathers dust or rear class corona discharge electrode framework 5, then, remain in Charged in flue gas and not charged dust then with flue gas by being arranged on the round vent at compound gather dust orifice plate 6 top or middle part, then have some Chargeds to be trapped by auxiliary dust collection plate 62 in the process entering filter bag dedusting area along with flue gas, natch, some remains in Charged in flue gas and not charged dust first goes out described rear class electric field dedusting area with air-flow, and then goes back to filter bag dedusting area with air-flow.It is worth mentioning that, some is from bottom, prime electric field dedusting area flue gas out, be introduced into the space immediately below described filter bag row 7, and then be folded to flowing, and enter filter bag dedusting area by lower deep bead 22 and compound space of gathering dust between orifice plate 6, the bottom of the compound orifice plate 6 that gathers dust or auxiliary corona discharge electrode framework 19 then at flue gas in front process of then advancing, or trap some Chargeds in flue gas uphill process.There is sub-fraction from described prime electric field dedusting area flue gas out, then directly enter described filter bag dedusting area by described front wind screen 8 and described compound space of gathering dust between orifice plate 6.The flue gas entering described filter bag dedusting area enters air-purifying chamber 11 after filter bag 7 filters, and finally discharge from exhaust pass 12, the dust originally in flue gas is then delayed at filter bag 7 on the surface.
In this deduster runs, when the filter bag 7 because of filter bag dedusting area has adsorbed many dust and has caused its running resistance to rise to a certain degree, then must start filter bag ash removal device 13, make these dust depart from described filter bag 7, the dust wherein departing from filter bag in lumps can directly fall in ash bucket; When dust layer thickness on the auxiliary electrical hachure of the rear class corona wire because being deposited on described rear class corona discharge electrode framework 5 or described auxiliary corona discharge electrode framework 19 acquires a certain degree and significantly reduces corona discharge effect, then must start rear class corona discharge electrode side arm sinker device 14, remove the dust be deposited on these corona wires; When because of be deposited on the compound dust layer thickness gathered dust on orifice plate 6 acquire a certain degree and affect the efficiency of dust collection of rear class electric field dedusting area time, then must start rear class dust collector pole side arm sinker device 15, make to be attached on the compound dust releasing gathered dust on orifice plate 6.
When carrying out vibration dust-cleaning to the compound orifice plate 6 that gathers dust, the most reentrainment of dusts directly produced by vibration dust-cleaning can enter described filter bag dedusting area along with flue gas by the compound adjacent compound gap of gathering dust between orifice plate 6 of passage on orifice plate 6 or front and back of gathering dust, and are then adsorbed by described filter bag 7; Major part in the form of sheets or bulk depart from the dust of the compound orifice plate 6 that gathers dust and then can directly fall in ash bucket, sub-fraction is but had to depart from sheet dust and the bulk dust of described auxiliary dust collection plate 62, in dropping process due to be subject to impact that flue gas flows towards filter bag will grazing to described auxiliary dust collection plate 62 edge, and produce a small amount of reentrainment of dust (compared with prior art, reentrainment of dust amount significantly reduces) being about to be adsorbed by filter bag.In addition, some depart from when vibration dust-cleaning described in gather dust the sheet dust of orifice plate 61 and bulk dust, can, along with the passage of flue gas by gathering dust on orifice plate 61, then continue to fall in dropping process; Although the sheet dust of this part and bulk dust are also subject to the impact that flue gas flows towards filter bag in the process continuing whereabouts, but wherein only there are a fraction of sheet dust and bulk dust meeting grazing to described auxiliary dust collection plate 62 edge, thus a small amount of reentrainment of dust (compared with prior art, reentrainment of dust amount significantly reduces) being about to be adsorbed by filter bag 7 is only produced.As can be seen here, compared with prior art, adopt a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust provided by the utility model, the sheet dust come off when effectively can reduce the dust collector pole deashing because of embedded-type electric bag composite dedusting district and bulk dust encounter to gather dust with it part that orifice plate is connected and the reentrainment of dust produced in dropping process, then adopt the long filter bag ash removal cycle, then can save efficiency of dust collection and the PM2.5 clearance of filter bag ash removal energy consumption, prolongation life of bag filter and raising embedded-type electric bag complex dust collector further.In addition, one in the utility model auxiliary dust collection plate 62 is just equivalent to be arranged on existing a kind of blast cap orifice plate tens even up to a hundred circular blast caps from top to bottom, thus greatly increases the production efficiency of the compound orifice plate 6 that gathers dust.
Other the undeclared part related in the utility model is same as the prior art.
Claims (10)
1. there is an embedded-type electric bag complex dust collector for the compound orifice plate that gathers dust, comprise prime electric field dedusting area and embedded-type electric bag composite dedusting district; Described prime electric field dedusting area comprises prime corona discharge electrode (3) and prime dust collector pole (4); Described embedded-type electric bag composite dedusting district comprises the rear class electric field dedusting area with several rear class electric field channel and the filter bag dedusting area with several filter bag groups; Between two rear class electric field channel of arbitrary neighborhood, be provided with a filter bag group, described each filter bag group at least comprises row's filter bag (7); Described rear class electric field dedusting area comprises some rear class corona discharge electrode frameworks (5) and some the compound orifice plates that gather dust (6), it is characterized in that the compound orifice plate that gathers dust of described every part (6) comprises one and is provided with the orifice plate that gathers dust (61) of a plurality of passage and the auxiliary dust collection plate (62) more than two pieces be all connected with the described orifice plate that gathers dust (61), and described every part assists dust collection plate (62) to arrange with on the described orifice plate that gathers dust (61) or two arrange or relative thirty years of age of some row passages.
2. a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust according to claim 1, it is characterized in that the middle part parabolically shape of the cross section of described auxiliary dust collection plate (62), the arc of both sides all in opening upwards of the cross section of described auxiliary dust collection plate (62); The middle part of described auxiliary dust collection plate (62) is fixedly connected with the described orifice plate that gathers dust (61).
3. a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust according to claim 2, it is characterized in that being provided with several bolts hole on the longitudinal centre line of described auxiliary dust collection plate (62), described auxiliary dust collection plate (62) is bolted to connection on the described orifice plate that gathers dust (61).
4. a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust according to claim 3, it is characterized in that being provided with the compound orifice plate that gathers dust (6) of a row in every side of described each rear class electric field channel, in the compound orifice plate that gathers dust (6) the windproof ditch side of described each rear class electric field channel both sides all towards described rear class electric field channel center line.
5. a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust according to claim 4, is characterized in that rear class corona wire height on described rear class corona discharge electrode framework (5) and the described orifice plate that gathers dust (61) are highly all at least than large three meters of filter bag (7) length in described filter bag group; Top and the middle part thereof of the described orifice plate that gathers dust (61) are all provided with several passages, but described in the gather dust bottom of orifice plate (61) passage is not set.
6. a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust according to claim 5, it is characterized in that immediately below the often row filter bag (7) adjacent with the described compound orifice plate that gathers dust, be provided with the auxiliary corona discharge electrode framework (19) that has some auxiliary electrical hachures, and described auxiliary corona discharge electrode framework (19) is parallel to described rear class electric field channel center line.
7. a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust according to claim 5, is characterized in that all being provided with a lower deep bead (22) in the below of described each filter bag group; The cross section of described lower deep bead (22) is in-line or L-shaped or V-shaped.
8. a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust according to any one of claim 1 to 7, is characterized in that all being provided with a front wind screen (8) in the dead ahead of described each filter bag group.
9. a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust according to any one of claim 1 to 7, the rounded or rectangle of the vent shapes gathered dust described in it is characterized in that on orifice plate (61) or triangle.
10. a kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust according to any one of claim 1 to 7, the passage arrangement gathered dust described in it is characterized in that on orifice plate (61) is in-line arrangement or is staggered in arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167581.8U CN204672072U (en) | 2015-03-24 | 2015-03-24 | A kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167581.8U CN204672072U (en) | 2015-03-24 | 2015-03-24 | A kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204672072U true CN204672072U (en) | 2015-09-30 |
Family
ID=54171796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520167581.8U Withdrawn - After Issue CN204672072U (en) | 2015-03-24 | 2015-03-24 | A kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204672072U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759180A (en) * | 2015-03-24 | 2015-07-08 | 福建东源环保有限公司 | An embedded type electrostatic-fabric integrated dust collector with composite type dust collecting pore plates |
| CN105618268A (en) * | 2016-02-18 | 2016-06-01 | 长沙通发高新技术开发有限公司 | Polar plate arrangement structure for electric-bag composite or pure electric dust removal and dust removing method |
| CN110026044A (en) * | 2019-05-08 | 2019-07-19 | 江苏朗润环保科技有限公司 | Composite guide streaming electric-bag complex dust collector |
-
2015
- 2015-03-24 CN CN201520167581.8U patent/CN204672072U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759180A (en) * | 2015-03-24 | 2015-07-08 | 福建东源环保有限公司 | An embedded type electrostatic-fabric integrated dust collector with composite type dust collecting pore plates |
| CN105618268A (en) * | 2016-02-18 | 2016-06-01 | 长沙通发高新技术开发有限公司 | Polar plate arrangement structure for electric-bag composite or pure electric dust removal and dust removing method |
| CN110026044A (en) * | 2019-05-08 | 2019-07-19 | 江苏朗润环保科技有限公司 | Composite guide streaming electric-bag complex dust collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016029333A1 (en) | Embedded-type electrified bag composite dust collector | |
| CN102772971B (en) | Superfine particulate matter purifying device | |
| CN102327724B (en) | Electric-bag composite dust collector | |
| CN103495322B (en) | The apparatus and method of a kind of dedusting demercuration integration | |
| CN108905485B (en) | Device and method for trapping fine particulate matters and heavy metals in cooperation with streaming and electrocoagulation | |
| CN203264504U (en) | Improved embedded electric bag dust remover | |
| CN204672072U (en) | A kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust | |
| CN205966179U (en) | Formula of flow equalizing electrostatic precipitator | |
| CN102553382B (en) | Double-row filter bag embedded type electric bag compound dust catcher with electric field area at front stage | |
| CN200987998Y (en) | Hexagonal structure polar plate of static dust removing and tar removing device | |
| CN107008095A (en) | A kind of coagulation and enhanced type electric-bag complex dust collector | |
| CN104307298A (en) | Transverse collecting plate deflector type electric bag composite fine particle efficient catcher and catching method | |
| CN102641641A (en) | Electrostatic actuation bag type dedusting system | |
| CN105268557B (en) | High-voltage electrostatic dust separator | |
| CN103056029B (en) | A kind of Double-region electrostatic dust collector | |
| CN101837216B (en) | Electrostatic-bag composite dust-collector | |
| CN202569885U (en) | Electrostatic actuation bag type dedusting system | |
| CN201841061U (en) | Combined horizontal cyclone electrostatic precipitator | |
| CN108405184A (en) | A kind of industrial waste gas fine particle removing device | |
| CN205518222U (en) | Porous board that gathers dust of footpath STREAMING | |
| CN201200848Y (en) | Combined electric precipitator and bag precipitator | |
| CN104606997A (en) | Electrostatic filtering deduster | |
| CN203220969U (en) | Electric dust collector with reticular mobile dust collecting electrode | |
| CN107694268B (en) | Embedded electric-bag composite dust collector with electric field at front stage and transversely arranged filter bag | |
| CN104759180B (en) | A kind of embedded-type electric bag complex dust collector with the compound orifice plate that gathers dust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150930 Effective date of abandoning: 20160615 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |