CN205701050U - A kind of compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure - Google Patents

Abstract

The utility model discloses a kind of compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure, including arrangement and structure, the arrangement of corona discharge electrode unit 2 and structure, winding-up unit 1, top rapping 4 and the control damper 5 etc. of dust collecting pole plate unit 3.For the relatively conventional pole plate row that is arranged in parallel, this kind of layout is significantly increased dust collecting pole plate area, and overall dimensions can be greatly decreased under equal disposal ability.Deashing uses winding-up unit 1 to be combined with traditional top rapping 4, allows deashing be more prone to.The unit that gathers dust of dust collecting pole plate unit 3 and corona discharge electrode unit 2 composition can be separately provided or be not provided with control damper 5, meets the needs of off-line or online ash removal.This utility model has simple in construction, controls simple, reliable, failure rate is low, easy to maintenance, the deashing advantage such as thoroughly, it is often more important that this arrangement can make full use of inner space.

Description

A kind of compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure

Technical field

This utility model relates to dedusting technology field, particularly to the layout of electric cleaner or electrostatic fabric filter pole plate and clear Ash.

Background technology

Along with developing rapidly of modern industry, especially coal-burning power plant, metallurgy, mine, cement and the industry such as chemical industry, casting Development, cause the severe contamination of China's air, have a strong impact on the healthy of people, constrain China's expanding economy.Closely Nian Lai, be particularly acute is the haze weather that causes of the polluter of PM2.5, becomes matter of utmost importance that is the most urgently to be resolved hurrily and that control One of.

Current electric cleaner or electrostatic fabric filter, maintain parallel channels cloth all the time on this point of pole plate arrangement Putting, row is the most parallel for the most adjacent dust collecting pole plate, and centre still arranges parallel corona discharge electrode row, and ash-clearing structure is nothing more than side Portion's rapping, top rapping and bottom sweep three kinds of modes.

Parallel channels arranges that pole plate can not make full use of cleaner unit inner space, in particular with processing air quantity increasingly Greatly, the overall dimensions of cleaner unit is the hugest, and cost is also particularly expensive.

Side arm sinker and top rapping deashing easily produce reentrainment of dust, and ash-removal effect does not reaches, especially side arm sinker Hammer is contained in inside cleaner unit, not only transmission, executive item complexity, is also easy to deformation and inefficacy part occur, does not finally have and shake Play effect.Vibration dust-cleaning does not reaches expection ash-removal effect in a word, along with working time the longest anode and cathode dust stratification is serious, reduces dedusting Efficiency.Additionally corona polar line uses suspending way, it is impossible to rigidly fixing, position has some to change within the specific limits so that with There is change in the distance of dust collecting pole plate, affects dust charged, also can reduce efficiency of dust collection.

The bottom that dust collecting pole plate takes slow rotation arranging in bottom reversely to scrape sweeping device sweeps and can actually substantially do To the dust of removing dust collecting pole plate, but have the disadvantage in that the transmission that (1) dust collecting pole plate and bottom sweep is sufficiently complex, investment Expensive, difficult in maintenance；(2) because of principal and subordinate wheel setting up and down, bottom arranges and scrapes sweeping device, and from top to bottom dust collecting pole plate is necessary If making dry tablet, adjacent two panels must leave certain interval, causes effective dust collecting pole plate area in equal space at least to reduce More than 20%；(3) be not suitable for big flue gas air quantity and process the pole plate layout of electric precipitation or electric-bag complex dust collector, when cleaner unit requirement When dust collecting pole plate area is bigger, every pole plate requires the longest, and transmission is difficult to, it is necessary to be subdivided into again some groups, virtually Increase again transmission complexity and reduce dust collecting pole plate area.(4) sweeping device is scraped when being struck off by dust collecting pole plate dust, the most easily Produce reentrainment of dust, reduce efficiency of dust collection.

In view of the above problems.How to provide a kind of brand-new pole plate to arrange and ash-clearing structure, this kind is arranged and ash-clearing structure Realize equal process exhaust gas volumn on the premise of, have that structure is compacter, overall dimensions is compact, deashing more thoroughly, dimension Protect convenient simply, be those skilled in that art's technical problems urgently to be resolved hurrily.

Summary of the invention

The technical problems to be solved in the utility model is to overcome existing electric cleaner or electric-bag complex dust collector technology not Foot, it is provided that a kind of simple in construction, control process are simple, reliable, failure rate is low, the pole plate layout side that can save energy and reduce the cost again Formula, structure and ash-clearing structure.

For solving above-mentioned technical problem, the technical scheme that the utility model proposes is that one can be used for dedusting technology field electricity Pole plate layout, structure and the ash-clearing structure of cleaner unit or electric-bag complex dust collector, including dust collector pole top rapping unit, winding-up list Unit, dust collecting pole plate unit and corona discharge electrode unit, described top rapping unit is positioned at dust remover roof, and described winding-up unit is positioned at and removes Outside dirt device casing, described dust collecting pole plate unit and corona discharge electrode unit are positioned at inside dust collector box body, described dust collecting pole plate unit The corona wire of gather dust lattice and described corona discharge electrode unit arrange one to one, the air inlet mode of described dust collector box body is from dust collector pole Enter bottom Slab element, top air-out.

Described top rapping unit is made up of some vibrators, and one group of each vibrator correspondence dust collecting pole plate unit gathers dust Row.

Described dust collecting pole plate unit is formed some lattice that gather dust by some pole plates row, and described dust collecting pole plate package includes end and gathers dust Pole plate row and middle dust collecting pole plate row, the two dust collecting pole plate row is by elastic bearing, upper holder, lower fixed frame and some Dust collecting pole plates etc. form, and described dust collecting pole plate includes narrow dust collecting pole plate and wide dust collecting pole plate, and both organize the lattice that gather dust in a row, described The wide dust collecting pole plate that wide dust collecting pole plate is arranged with adjacent dust collecting pole plate organizes again the lattice that gather dust in a row, described adjacent dust collector pole at adjacent Plate row keeps certain interval.

Described corona discharge electrode unit is made up of some corona discharge electrodes row, and described corona discharge electrode package includes framework, the fixing pipe of corona wire, awns Thorn, nozzle etc., described corona discharge electrode row's framework is formed by pipeline welding, and head tube is fixed with corona wire and communicated inside pipe, described electricity Hachure is fixing manages four-way from top to bottom and arranges some prickles, and described prickle is symmetrical two-by-two and staggered floor is arranged.

Described corona discharge electrode is arranged some corona wires, and the lattice that gather dust of every corona wire correspondence dust collecting pole plate unit are described Corona wire is fixed and is arranged some nozzles on pipe, and described nozzle is arranged in bifilar helix from top to bottom, and described nozzle is with prickle one by one Corresponding.

Preferably, the corona wire of described corona discharge electrode row fix on pipe nozzle end and prickle point on one wire, spray The medium emission direction of mouth is through prickle point.

Preferably, the fixing employing of described corona discharge electrode row and corona discharge electrode unit is rigidly connected.

Described corona discharge electrode unit is connected with cleaner unit outside winding-up unit by insulation sleeve, and described winding-up unit passes through support Being fixed on outside shell of dust remover, described winding-up unit includes gas bag, electromagnetic impulse valve and pipeline etc., and some winding-up unit form Injection system.

Described dust collecting pole plate comes the pulse machine rapping at top and absorption dust on dust collecting pole plate row can be shaken, The nozzle that described corona wire is fixed on pipe downwards blows to the gathering dust of opposite compressed gas along prickle point direction by winding-up unit Pole plate, from the dust fallen that shakes dust collecting pole plate is blown off ash bucket in time, eliminates reentrainment of dust phenomenon, it is achieved the most online clear Ash；If arrange preferably by each independent space of dust collecting pole plate unit and arrange draught damper, realize after closed gas flow valve Rapping and winding-up, then can realize stopping the high efficiency off-line deashing of reentrainment of dust.

Preferably, described top rapping unit, winding-up unit, dust collecting pole plate unit and corona discharge electrode unit form one and gather dust Unit, some unit one electric cleaners of composition that gather dust, or the prime electric cleaner of composition electric-bag complex dust collector.

Preferably, described in the unit that gathers dust be positioned at a single space, and a single Valve controlling air-flow is set Flowing.

Compared with prior art, this utility model considers electric cleaner especially or electrostatic fabric filter is huge and difficult in maintenance Feature, take full advantage of the space within cleaner unit and use top rapping to instead of with the ash-clearing structure that combines of winding-up to remove The internal rapping apparatus of dirt device so that safeguard quick and easy, working stability.

In this utility model, dust collecting pole plate row is finally combined into the lattice that gather dust, and inwall four-way can be gathered dust, at equal conditions If electric cleaner under uses pole plate arrangement of the present utility model, at least can increase dust collecting pole plate area 50% with On, on the premise of satisfied requirement, saving steel consumes more than 20%.

In this utility model, in corona discharge electrode unit, corona wire fixes the frame that pipe is prickle wire and fixes, and is again high pressure gas Circulation road, or the frame that nozzle is fixing, gases at high pressure from top to bottom form rotation by the guiding of nozzle in each lattice that gather dust Pathogenic wind stream, introduces ash bucket by dust while eliminating reentrainment of dust.Ensure cleaner unit steady operation reliably and with long-term.

In sum, pole plate of the present utility model layout, structure and ash-clearing structure can be widely applied to electric cleaner or electricity The pole plate of bag complex dust collector is arranged, deashing, possesses improvement and the cleaner unit in vast potential for future development and space, beneficially environment The innovation of itself.

Accompanying drawing explanation

Fig. 1 be a kind of electric cleaner or the layout of electric-bag complex dust collector pole plate in this utility model embodiment, structure and The schematic diagram of ash-clearing structure.

Fig. 2 is the A-A sectional view of Fig. 1 in this utility model embodiment.

Fig. 3 is the B-B sectional view of Fig. 1 in this utility model embodiment.

Fig. 4 is the close-up schematic view of Fig. 3 in this utility model embodiment.

Fig. 5 is that in this utility model embodiment, nozzle arranges schematic diagram along helix.

Marginal data

1, winding-up unit；2, corona discharge electrode unit；3, dust collecting pole plate unit；4, top rapping；

5, control damper；11, support；12, gas bag；13, electromagnetic impulse valve；

14, insulation sleeve；21, head tube；22, corona discharge electrode framework；23, the fixing pipe of prickle；

24, prickle；25, nozzle；31, narrow dust collecting pole plate；32, wide dust collecting pole plate；

33, lower fixed frame；34, elastic bearing；35, upper holder.

Detailed description of the invention

Core of the present utility model be provide the pole plate of a kind of electric cleaner or electric-bag complex dust collector to arrange, structure and clear Ash structure, this kind of pole plate is arranged, structure and ash-clearing structure on the premise of realizing equal requirement, have and make full use of in cleaner unit Space, portion, compact conformation, profile diminish, save steel, ash-removal effect more preferably, reliability is higher and safeguards the spies such as convenient Point, great economic and practical value.

In order to make those skilled in the art be better understood from the technical solution of the utility model, below in conjunction with the accompanying drawings and tool This utility model is described in further detail by body embodiment.

Refer to Fig. 15, Fig. 1 is the structural representation of electric cleaner in a kind of embodiment of this utility model；Fig. 2 is Fig. 1 A-A sectional view；Fig. 3 is the B-B sectional view of Fig. 1；Fig. 4 is Fig. 3 partial enlarged drawing；Fig. 5 is the nozzle that corona wire is fixed on pipe Arrange schematic diagram.

Pole plate arrangement, structure and ash-clearing structure that this utility model provides are a dust removing units in an embodiment, In actual application as required, the size of dust removing units, height and quantity can be changed.The dust removing units that this utility model provides It is made up of winding-up unit 1, corona discharge electrode unit 2, dust collecting pole plate unit 3 and top rapping 4.Winding-up unit 1 is positioned at outside cleaner unit, Top rapping 4 is positioned at dust remover roof, corona discharge electrode unit and dust collecting pole plate unit and is positioned at inside dust collector box body.

Winding-up unit 1 generally comprises support 11, gas bag 12, electromagnetic impulse valve 13 and insulation sleeve 14 etc., and support 11 is fixed on Outside dust collector box body, and playing the effect supporting gas bag 12, gas bag 12 connects with external air source, and electromagnetic impulse valve 13 is used for controlling Deashing processed, is positioned at gas bag and corona discharge electrode unit 2 and the centre of head tube 21, and insulation sleeve 14 is used for separating corona discharge electrode and cleaner unit case Body.

Corona discharge electrode unit 2 is fixed on inside cleaner unit by insulation mode, generally comprises head tube 21, corona discharge electrode framework 22, prickle fixes pipe 23, prickle 24 and nozzle 25 etc..As required, multiple corona discharge electrode frameworks 22 form a corona discharge electrode unit 2, corona discharge electrode framework 22 is provided with some prickles and fixes pipe 23, and a fixing pipe 23 being provided with prickle 24 is exactly a corona Line, prickle 24 arranges multilamellar from top to bottom, and symmetrically, the placement-face of adjacent two layers prickle 24 is 90 degree to every layer of two prickle 24 Angle.Prickle is fixed pipe 23 periphery and some nozzle 25 is from top to bottom distributed, and nozzle 25 is arranged along bifilar helix from top to bottom, nozzle 25 with the tip of prickle 24 on one wire, it is ensured that each nozzle 25 is directed at a prickle 24, and the medium of nozzle 25 ejection is first First remove the dust at prickle 24 tip, and blow to dust collecting pole plate 31 and 32 obliquely.

Dust collecting pole plate unit 3 is fixed on cleaner unit internal body by elastic bearing 34, generally comprise narrow dust collecting pole plate 31, Wide dust collecting pole plate 32, lower fixed frame 33, elastic bearing 34 and upper holder 35 etc..As required, by narrow dust collecting pole plate 31, wide receipts Dirt pole plate 32, lower fixed frame 33, elastic bearing 34 and upper holder 35 etc. form a dust collecting pole plate row, and multiple dust collecting pole plates are arranged Forming a dust collecting pole plate unit 3, after combination, dust collecting pole plate unit 3 actually becomes some lattice 3a that gathers dust, and these gather dust Lattice comparatively speaking, are spaces comparing closing, it is simple to compressed-air actuated jetting deashing；Keep between adjacent dust collecting pole plate row Certain gap 3b, it is simple to the rapping of dust collecting pole plate row.

Top rapping 4 is arranged on cleaner unit body top above dust collecting pole plate unit, uses electromagnetic pulse to control, according to need The often group dust collecting pole plate of dust collecting pole plate unit 3 is discharged into row rapping.

Control damper 5 is arranged on each single dust collecting pole plate unit top, is used for being turned on and off through cleaner unit The air-flow filtered.

Herein as a example by the schematic diagram of electric cleaner shown in Fig. 1, the operation principle of cleaner unit is described.Flue gas is by entering Air horn mouth enters cleaner unit, can arrange wind deflector herein, and after obtaining primary settling, flue gas is in the bottom of dust collecting pole plate unit 3 Enter dedusting area, split-wind plate can be appropriately arranged with before entering this district, it is ensured that air-flow is even into dust collecting pole plate unit 3, corona Pole unit 2 discharging in advance, the dust in flue gas from the bottom to top drive into during the most charged, major part adsorbing powder dust receive On the pole plate of bar grid, a small amount of adsorbing powder dust is on corona wire, as required, cleaner unit after certain working time section, system Needing to carry out deashing, the order of deashing is, dust collecting pole plate unit 3 top rapping is opened successively, shakes by the dust on pole plate, spray The electromagnetic impulse valve 13 blowing unit 1 is opened successively, and gases at high pressure moment arrives the prickle of corona discharge electrode row and fixes pipe 23, and by spray Mouth 25 sprays, and is from top to bottom sprayed onto the lattice 3a inwall that gathers dust of dust collecting pole plate 31 or 32 composition obliquely along prickle 24 tip direction, Be internally formed one powerful cyclonic air flow at the lattice 3a that gathers dust, the dust fallen that above shakes is brought into ash bucket sedimentation, eliminate before The reentrainment of dust that rapping produces, this namely online ash removal；Control damper 5 as shown in Figure 1 additionally can also be set, when certain When the unit that gathers dust needs deashing, it is first shut off control damper 5, allows this unit that gathers dust realize deashing off-line more thoroughly clear Ash.

As shown in Figure 4, on the whole, the layout of dust collecting pole plate 31 and 32 forms some lattice that gather dust, and is different from traditional putting down Row of channels, under equal overall dimensions, the area of dust collecting pole plate is substantially improved, and on the premise of meeting disposal ability, can save Great deal of steel also reduces overall dimensions.Further, the dust removing units of above-described embodiment on the premise of basic conception, Can be with independent assortment as electric cleaner, it is also possible to be combined into electric-bag complex dust collector with bag dust removing units.

Arrange obliquely in bifilar helix on pipe 23 as it is shown in figure 5, nozzle 25 is fixed at prickle, nozzle 25 and prickle 24 On one wire, first the high pressure cyclonic air flow of nozzle 25 ejection removes prickle tip dust at tip, and then by dust collecting pole plate 31 With 32 on shake or do not shake the dust fallen blow to bottom ash bucket.Further, the whirlwind winding-up of above-described embodiment belongs to preferred Scheme, according to actual condition needs, the setting of nozzle can be to be single-screw layout or the layout of other forms.

Further, in above-described embodiment, the position of inlet and outlet, the position etc. of control damper 5 belong to a kind of mode, As long as the layout of pole plate, structure and ash-clearing structure are without departing from design of the present utility model, actual application can be as the case may be Do suitable adjustment.

This utility model is not limited to above-mentioned preferred embodiment, and the explanation of above example is only intended to help to understand Method of the present utility model and core concept thereof.It should be pointed out that, to those of ordinary skill in the art, without departing from this Utility model is conceived and on the premise of principle about the technology of layout, structure and the deashing of pole plate, it is also possible to this utility model Carrying out some improvement and modification, draw the product of other various equivalents, these improve and modification also falls into this utility model In scope of the claims.

Claims (8)

1. or the pole plate arrangement of pure electric precipitation compound for electricity bag and ash-clearing structure, it is characterised in that: narrow dust collector pole Plate (31) and wide dust collecting pole plate (32) surround some little lattice 3a that gathers dust, and it is solid that each lattice 3a middle of gathering dust is correspondingly arranged a prickle Fixed tube (23), the fixing pipe (23) of every prickle is exactly a corona wire, and each row is gathered dust a road of lattice 3a correspondence winding-up unit (1) Winding-up pipeline.

The most according to claim 1 compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure, it is special Levy and be: some narrow dust collecting pole plates (31) and wide dust collecting pole plate (32) composition dust collecting pole plate row, some dust collecting pole plates row's composition is received Dirt pole plate unit (3), final each dust collecting pole plate unit (3) forms some little grid 3a that gathers dust, some dust collecting pole plate unit (3) Forming whole dust collecting pole plate case, described some dust collecting pole plate mining flexible fastenings, corona discharge electrode unit (2) is arranged by some corona discharge electrodes Composition, each corona discharge electrode row is made up of corona discharge electrode framework (22), the fixing pipe (23) of prickle, prickle (24) and nozzle (25), often arranges Corona discharge electrode row's correspondence often arranges the grid that gathers dust, and each corona discharge electrode row is by corona discharge electrode framework (22) and some prickles fixing pipe (23) group Becoming, described corona discharge electrode framework (22) uses and rigidly fixes.

The most according to claim 2 compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure, it is special Levy and be: each dust collecting pole plate row individually location and elastic place and a vibrator of corresponding top rapping (4), each gather dust Pole plate row forms the lattice 3a that gathers dust by rows with adjacent pole plate row, and adjacent dust collecting pole plate row keeps certain gap 3b.

The most according to claim 2 compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure, it is special Levy and be: the head tube (21) of each corona discharge electrode framework (22) is connected with winding-up unit (1) by insulation sleeve (14), head tube (21) being branched off into the fixing pipe (23) of some prickles, a fixing pipe (23) of prickle is equivalent to a corona wire, and described prickle is fixed From top to bottom, four-way arranges some neat prickles (24) and nozzle (25) to pipe (23).

The most according to claim 4 compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure, it is special Levy and be: the every fixing pipe (23) of prickle is fixed between corona discharge electrode framework (22), and the fixing pipe (23) of prickle is used for fixing some Prickle (24), is the most from top to bottom fixed with some nozzles (25) along bifilar helix, and described nozzle (25) is most advanced and sophisticated with prickle (24) On one wire, described nozzle (25) and prickle (24) one_to_one corresponding.

The most according to claim 1 compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure, it is special Levy and be: winding-up unit (1) includes gas bag (12), electromagnetic impulse valve (13) and pipeline etc., and gas bag (12) passes through electromagnetic impulse valve (13) and insulation sleeve (14) etc. is connected with the head tube (21) of some corona discharge electrode unit (2), described electromagnetic impulse valve (13) is dynamic Toggling as required, described gas bag (12) is connected with system source of the gas.

The most according to claim 1 compound for electricity bag or the pole plate arrangement of pure electric precipitation and ash-clearing structure, it is special Levy and be: lattice 3a size of gathering dust that narrow dust collecting pole plate (31) and wide dust collecting pole plate (32) form, dust collecting pole plate unit (3) big Little, highly, number determine according to specific needs, and as required can each dust collecting pole plate unit (3) air outlet arrange Or it is not provided with control damper (5).

8. according to or the pole plate arrangement of pure electric precipitation compound for electricity bag according to any one of claim 1～7 and clear Ash structure, it is characterised in that: dusty gas enters the lattice 3a that gathers dust bottom the lattice 3a that gathers dust, can be the most square before entering the lattice 3a that gathers dust Just arrange split-wind plate, mercury removal device or other need arrange device.