CN103934104B - Flat deduster - Google Patents

Flat deduster Download PDF

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Publication number
CN103934104B
CN103934104B CN201410199838.8A CN201410199838A CN103934104B CN 103934104 B CN103934104 B CN 103934104B CN 201410199838 A CN201410199838 A CN 201410199838A CN 103934104 B CN103934104 B CN 103934104B
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China
Prior art keywords
dust
unit
housing
deduster
flat
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Expired - Fee Related
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CN201410199838.8A
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CN103934104A (en
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任利萍
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任利萍
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Abstract

Present invention is disclosed flat deduster, comprise housing, one end of housing is air inlet, and the other end of housing offers gas outlet, air inlet and gas outlet coaxial, be provided with the orthogonal major and minor unit that gathers dust in housing; The pair unit that gathers dust is horizontally disposed with in housing, and pair is gathered dust, the front end of unit is connected with the top of housing by separation baffles before perpendicular, the gather dust rear end of unit of described pair is connected with the main unit that gathers dust by rear separation baffles, the inlet, outlet axis of housing and to lead unit windward side of gathering dust vertical; The major and minor unit that gathers dust includes a dust collecting pole plate and is arranged on the discharge electrode composition outside dust collecting pole plate, and discharge electrode is vertically evenly equipped with discharge electrode prickle; Dust collecting pole plate is made up of the dust collector pole be arranged in draw-in groove frame.Beneficial effect of the present invention is mainly reflected in: good dedusting effect, and in conjunction with dust cleaner, extends dust collecting pole plate service life, ensure that the dust collection effect of dust collecting pole plate.

Description

Flat deduster
Technical field
The present invention relates to a kind of flat Electrostatic Absorption and filter the cleaner tackled and combine, belonging to Granular composite adsorbing domain.
Background technology
Electrostatic precipitator technology be utilize DC high-voltage power supply produce highfield make in gas containing electronegative gas ionic discharge, be attached on opposite polarity dust collector pole under the effect of electric field force after making the dust in gas charged, realize being separated of dust granules and gas.Dust settling pocket technique utilizes filter bag to tackle to filter and dust granules interception in gas is attached to filter bag surface by ventilative effect, and clean gas realizes being separated of dust granules and gas by filter bag.Current, electrostatic precipitator and sack cleaner have extensive use in dedusting field, but have the following disadvantages: 1, the dust catching effect of electrostatic precipitator to high specific resistance is undesirable, and be carried to weak being difficult to of last electric field fine particle charge capacity by gas and trapped by dust collecting pole plate, to cause in the gas given off that fine particle is more causes environmental pollution.Although 2, sack cleaner dust collection effect is good, there is the shortcoming that filter bag renewal cost is high and pressure drag is high, cause user's O&M cost high.
A kind of high-efficiency dust collecting electric cleaner is disclosed in Chinese patent 200810116107, porous metals shell and built-in how empty foamed plastics is adopted to form collecting plate and are separated gas endoparticle by collecting plate, but this device volume is larger, use occasion is restricted, and industrialized practicality is not high.Meanwhile, this device moves to reach cleaning effect due to circuit board between dust storage chamber and clear dirt room, but in actual applications, between dust storage chamber and clear dirt room, sealing is not good, affects dust collecting effect; Fluid communication in clear dirt room and dust storage chamber, makes dust storage chamber rather high concentration gas flow mix with clear dirt room light concentration gas stream, is also unfavorable for control of dust.
And other electrostatic precipitator, great majority adopt input and output gas mouth and collecting plate to be arranged in parallel, as a kind of electrostatic precipitator that Chinese patent 201220554227.7 discloses, the gas that gas feed enters after collecting plate dedusting by gas vent pass-out, but owing to be arrangeding in parallel between collecting plate and gas flow, dust removing effects is often not good.
And Chinese patent application 2013101171440 discloses a kind of wet cottrell, on existing electrostatic precipitator basis, have employed the cleaning that wet method carries out dust collecting pole plate, but this kind is directly more by the mode water consumption of spray, the waste water produced needs again to process, investment cost and operating cost high, also need the supply constantly carrying out clear water, be not inconsistent with the policy guidance of national resources saving.
Summary of the invention
Object of the present invention solves the problems of the technologies described above, and proposes a kind of flat deduster of high efficiency dedusting.
Object of the present invention, will be achieved by the following technical programs:
Flat deduster, comprises housing, and one end of described housing is air inlet, and the other end of housing offers gas outlet, described air inlet and gas outlet coaxial, be provided with the orthogonal major and minor unit that gathers dust in described housing; The described pair unit that gathers dust is horizontally disposed with in housing, and pair is gathered dust, the front end of unit is connected with the top of housing by separation baffles before perpendicular, the gather dust rear end of unit of described pair is connected with the main unit that gathers dust by rear separation baffles, the inlet, outlet axis of described housing and to lead unit windward side of gathering dust vertical;
The described major and minor unit that gathers dust includes a dust collecting pole plate and is arranged on the discharge electrode composition outside dust collecting pole plate, and described discharge electrode is vertically evenly equipped with discharge electrode prickle;
Described dust collecting pole plate is made up of the dust collector pole be arranged in draw-in groove frame.
Preferably, be also provided with by-pass damper between the top of described front separation baffles and housing, described by-pass damper is located in rotating shaft, and can do 90 ° of rotations around the shaft, and described rotating shaft is arranged on pair and gathers dust above unit, and two ends are individually fixed in housing both sides.
Preferably, described in gather dust very tabular, and for have electric conductivity, mushy pottery, metal or composite make.
Preferably, described deduster also comprises and is arranged on the major and minor dust cleaner gathered dust on unit, described dust cleaner comprise blow grey unit and with the receipts ash unit blowing grey unit and be oppositely arranged.
Preferably, the windward side of described dust collecting pole plate and lee face are provided with a guide rail, described in blow grey unit and receipts ash unit move on the guide rail of dust collecting pole plate respectively.
Preferably, described in blow the soot-blowing wind machine that grey unit comprised gas skirt and be connected by tube connector with gas skirt, described gas skirt offers gas outlet, after air-flow enters tube connector, by gas skirt ejection, ash is blown to dust collector pole.
Preferably, described housing is connected with two driven wheels, described in blow grey unit tube connector and receive grey unit ash sucking tube outside be equipped with the tooth bar engaged with driven wheel, the described driven wheel rotating band pipe that is dynamically connected moves with ash sucking tube.
Preferably, the gas skirt length direction blowing grey unit described in edge is provided with blowing pipe, described blowing pipe is evenly equipped with air outlet, described gas skirt offers an air outlet, air-flow is ejected by the air outlet from blowing pipe after gas skirt, in order to blow ash to dust collector pole.
Preferably, the sack cleaner that the grey unit of described receipts is comprised gas skirt, is connected by ash sucking tube with gas skirt, one end of described sack cleaner is connected with dust absorption fan.
Preferably, described sack cleaner is also connected with one for collecting the dust collecting box of dust rubbish.
Preferably, described discharge electrode prickle is S-shaped.
Beneficial effect of the present invention is mainly reflected in: 1, the air inlet/outlet of deduster and the windward side of dust collecting pole plate vertical, add the contact area of air-flow and dust collecting pole plate greatly, accelerate dust-collecting efficiency.
2, dust collecting pole plate has multiple-void structure, has filter effect, and in conjunction with Electrostatic Absorption such as prickles, udst separation efficiency improves.
3, add the dust cleaner to dust collecting pole plate, blow grey unit and receive ash and be oppositely arranged, synchronously carry out, decrease reentrainment of dust, take back effect completely good, extend dust collecting pole plate service life, ensure that the dust collection effect of dust collecting pole plate.
Accompanying drawing explanation
Fig. 1: structural representation of the present invention.
Fig. 2: blow the structural relation schematic diagram between grey unit and dust collector pole in the present invention.
Fig. 3: the figure of the present invention structural representation gathering dust unit, wherein, illustrates the relation of gathering dust between unit and dust collector pole.
Fig. 4: the structural relation schematic diagram of blowing pipe of the present invention and dust gathering arrester.
1, housing 2, air inlet 3, gas outlet 4, pair is gathered dust unit 5, the main unit 6 that gathers dust, front separation baffles 7, by-pass damper 8, rear separation baffles 9, discharge electrode 10, discharge electrode prickle 11, draw-in groove frame 111, reinforcement 13, end cover 14, supporting insulator 15, insulator brace summer 16, power supply 51, main discharge pole prickle 52, main dust collecting pole plate 521, main discharge pole 421, secondary discharge electrode 82, lead-in wire 81, inlet wire insulator 21, gas skirt 22, tube connector 23, soot-blowing wind machine 24, blowing pipe 25, air outlet 31, receive grey gas skirt 32, ash sucking tube 33, sack cleaner 34, dust absorption fan 35, dust collecting box 36, driven wheel.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Present invention is disclosed flat deduster, as shown in Figure 1, comprise housing 1, one end of described housing 1 is air inlet 2, and the other end of housing 1 offers gas outlet 3, and described air inlet 2 is coaxial with gas outlet 3.
The orthogonal major and minor unit that gathers dust is provided with in described housing 1; The described pair unit 4 that gathers dust is horizontally disposed with in housing, and pair is gathered dust, the front end of unit 4 is provided with front separation baffles 6, before described point barrier 6 and housing 1 top between be also provided with by-pass damper 7.In the middle of described by-pass damper 7, rotating shaft is housed, and can does 90 ° of rotations around the shaft, described rotating shaft is arranged on pair and gathers dust above unit 4, and two ends are individually fixed in housing both sides.By-pass damper 7 rotation can form pair and gather dust being communicated with closed between unit 4 with housing 1.
The gather dust rear end of unit 4 of described pair is connected with the main unit 5 that gathers dust by rear separation baffles 8, and the inlet, outlet axis of described housing is vertical with leading the unit 5 that gathers dust.
The described major and minor unit that gathers dust includes a dust collecting pole plate and the discharge electrode 9 be arranged on outside dust collecting pole plate forms, and described discharge electrode 9 is vertically evenly equipped with S-shaped discharge electrode prickle 10.Described dust collecting pole plate is made up of the tabular dust collector pole be arranged in draw-in groove frame 11.Draw-in groove frame 11 is welded by two or more rectangular metal draw-in groove, some reinforcements 111 are had in the middle of draw-in groove frame 11, two ends are connected with housing 1, the hole with pocket numbers, geometry, consistent size is had in the position that housing 1 two ends are corresponding with draw-in groove, hole being equipped with end cover 13, forming draw-in groove frame 11 for welding.
Below in conjunction with shown in Fig. 2 to Fig. 4, introduce the structure of the lower main unit that gathers dust.Main discharge pole prickle 51 is parallel with main dust collecting pole plate 52 windward side and keep a determining deviation, be fixed on insulator brace summer 15 by supporting insulator 14 bottom main discharge pole 521, insulator brace summer 15 two ends are fixed on the housing of left and right, and top, main discharge pole 521 is connected with secondary discharge electrode 421 rear end.Secondary discharge electrode 421 front end is fixed on insulator brace summer 15 by supporting insulator 14, insulator brace summer 15 two ends are fixed on the housing of left and right, and the lead-in wire 82 of the discharge electrode of dust removing units is connected with outside dc source 16 by inlet wire insulator 81 center being arranged on case top.
The structure that pair is gathered dust in unit is identical with the main cellular construction that gathers dust, therefore is not repeating at this.
In order to better carry out filtration absorption, described dust collecting pole plate is for having satisfactory electrical conductivity, and mechanical strength is high, and the concrete dynamic modulus of good permeability pottery or metal or composite are made.
After after a while, the dust collecting pole plate of the major and minor unit that gathers dust can cause the dust accretions in surface and hole due to absorption etc., need to carry out dirt process clearly to dust collecting pole plate.Shown in composition graphs 3, described deduster also comprises and is arranged on the major and minor dust cleaner gathered dust on unit, described dust cleaner comprise blow grey unit and with the receipts ash unit blowing grey unit and be oppositely arranged.
Concrete, the windward side of described dust collecting pole plate and lee face are provided with a guide rail, described in blow grey unit and receipts ash unit moves respectively on the guide rail of dust collecting pole plate.
The described soot-blowing wind machine 23 be arranged on outside housing 1 blowing grey unit and comprise gas skirt 21 and be connected by tube connector 22 with gas skirt 21, described gas skirt 21 offers gas outlet, is sprayed by gas skirt 21 after air-flow enters tube connector 22 and ash is blown to dust collector pole.Grey contact surface is blown in order to increase, better blow ash, gas skirt 21 length direction is being provided with blowing pipe 24, described blowing pipe 24 is evenly equipped with air outlet 25, air-flow is ejected, in order to blow ash to dust collector pole by the air outlet 25 from blowing pipe 24 after gas skirt.
The grey unit of described receipts comprise receive grey gas skirt 31, with the sack cleaner 33 be arranged on outside housing that is connected by ash sucking tube 32 of the grey gas skirt 31 of receipts, one end of described sack cleaner 33 is connected with dust absorption fan 34.Described sack cleaner 33 is also connected with one for collecting the dust collecting box 35 of dust rubbish, to be carried out unifying process by the dust after collecting.
It is described that to blow grey unit gas skirt suitable with dust collector pole width respectively with the receipts ash gas skirt length receiving grey unit, namely operationally, and can to the disposable cleaning of dust collector pole when gas skirt moves on guide rail.
Certainly, blow tube connector in grey unit and two sections of inside and outside sleeve pipes all can be adopted to be socketed form with the ash sucking tube receiving grey unit, to increase length, meanwhile, between two sections of sleeve pipes, arrange corresponding stop valve or intake valve, these all can be arranged as required.Such as, being provided with intake valve blowing in grey unit, opening intake valve accordingly when blowing ash.In the grey unit of receipts, be provided with stop valve, receive ash and terminate rear closedown stop valve.
Described housing 1 is connected with two driven wheels, described in blow grey unit tube connector 22 and receive grey unit ash sucking tube 32 outside be equipped with the tooth bar engaged with driven wheel 36, the described driven wheel rotating band pipe that is dynamically connected moves with ash sucking tube.
Described gas skirt and the grey gas skirt of receipts are oppositely arranged, and structure size is identical, and the steel plate being 5mm-15mm by wall thickness is made, and length is 14m-25m, width 200mm-500mm, and thickness is 150mm-300mm.
The space rate of two driven wheel band carry-over bars is 2mm/s-200mm/s and keeps start and stop simultaneously.
Described gas skirt 21 and tube connector 22 and receive between grey gas skirt 31 and ash sucking tube 32 and all relative motion does not occur.Described gas skirt 21, receive grey gas skirt 31 and be 1mm-3mm with the spacing of dust collecting pole plate.
Draw-in groove length is 2m-35m, width is 250mm-700mm, thickness 10-30mm, and draw-in groove frame height is 14m-25m.Accordingly, described dust collector pole length is 2m-30m, width is 200mm-600mm, thickness 5-20mm.
The below lower dust removal process of the present invention of summary:
Direct dedusting, during work, by-pass damper 7 is in vertical closed condition, and the effective dusty gas that cuts off directly leads to gas outlet 3 from air inlet 2.Dusty gas is disperse state after entering housing 1 by air inlet 2, and the dust granule in gas is after main dust removing units 5 and secondary dust removing units 4 filtration and Electrostatic Absorption dedusting, and clean gas is discharged by gas outlet 3, completes dedusting.And in the application, the effect arranging the major and minor unit that gathers dust is also owing to entering gas in housing to all directions disperse, the mutually perpendicular unit that gathers dust comprehensively effectively can carry out filtrations and adsorb.
Energising dedusting, during work, connect dc source 16, electric pressure is that the high voltage direct current of 50000V to 69000V forms high voltage electric field on discharge electrode, prickle 10 corona discharge through discharge electrode 9 forms charged ion to ambient gas ionization, when dust from gas grit passes through high-voltage electrostatic field by surrounding, collide and charged (or charged in ion diffuse moves) with interelectrode negative ions and electronics, bring the grit of electronics and ion under the effect of electric field force to master, the pair dust collector pole gathered dust in unit moves and amasss and is attached on dust collector pole, clean gas is then discharged by the internal void of dust collector pole.
Clear dirt process, comprises and blows ash and receive grey process.When the grit on dust collector pole is attached to certain thickness, air inlet 2 and gas outlet 3 pressure reduction increase, and control system starts deashing program: disconnect dc source 16, dust absorption fan 34 starts.
Blow grey process: pressure is that the gas of 1Mpa enters tube connector 22, finally by the aperture ejection on blowing pipe 24 in soot blower gas skirt 21, gases at high pressure will be adsorbed on the inner and surperficial dust granule blowout of dust collector pole through the micropore of dust collector pole.
Receive grey process: after dust absorption fan 34 starts, the negative pressure that pressure is-300pa-(-500pa) is formed in dust collecting system, dust granule that is dust collector pole is inner and surface blowout passes through successively inhales grey gas skirt 21, ash sucking tube 32 siphons away, and eventually passes sack cleaner 33 and filters rear dust and fall into dust collecting box 35.
Wherein, blowing the grey motion process with inhaling ash is: driven wheel rotates counterclockwise, and drives gas skirt 21 and tube connector 22 simultaneously and receive grey gas skirt 31 to be moved to the left with ash sucking tube 32, completes the deashing on dust collector pole and receive grey process in moving process; After moving on to left side housing, driven wheel rotates clockwise, and drives the gas skirt blowing grey unit and tube connector to move right, until stop after getting back to original position with the receipts ash gas skirt and ash sucking tube receiving grey unit simultaneously.
The present invention still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes formed, and all drops within protection scope of the present invention.

Claims (11)

1. flat deduster, comprises housing, and one end of described housing is air inlet, and the other end of housing offers gas outlet, it is characterized in that: described air inlet and gas outlet coaxial, be provided with the orthogonal major and minor unit that gathers dust in described housing; The described pair unit that gathers dust is horizontally disposed with in housing, and pair is gathered dust, the front end of unit is connected with the top of housing by separation baffles before perpendicular, the gather dust rear end of unit of described pair is connected with the main unit that gathers dust by rear separation baffles, the inlet, outlet axis of described housing and to lead unit windward side of gathering dust vertical;
The described major and minor unit that gathers dust includes a dust collecting pole plate and is arranged on the discharge electrode composition outside dust collecting pole plate, and described discharge electrode is vertically evenly equipped with discharge electrode prickle;
Described dust collecting pole plate is made up of the dust collector pole be arranged in draw-in groove frame.
2. flat deduster as claimed in claim 1, it is characterized in that: between the top of described front separation baffles and housing, be also provided with by-pass damper, described by-pass damper is located in rotating shaft, and 90 ° of rotations can be done around the shaft, described rotating shaft is arranged on pair and gathers dust above unit, and two ends are individually fixed in housing both sides.
3. flat deduster as claimed in claim 1, is characterized in that: described in gather dust very tabular, and to make for having mushy pottery, metal or composite.
4. flat deduster as claimed in claim 1, is characterized in that: described deduster also comprises and is arranged on the major and minor dust cleaner gathered dust on unit, described dust cleaner comprise blow grey unit and with the receipts ash unit blowing grey unit and be oppositely arranged.
5. flat deduster as claimed in claim 4, is characterized in that: the windward side of described dust collecting pole plate and lee face are provided with a guide rail, described in blow grey unit and receipts ash unit move on the guide rail of dust collecting pole plate respectively.
6. flat deduster as claimed in claim 4, it is characterized in that: described in blow the soot-blowing wind machine that grey unit comprised gas skirt and be connected by tube connector with gas skirt, described gas skirt offers gas outlet, after air-flow enters tube connector, by gas skirt ejection, ash is blown to dust collector pole.
7. flat deduster as claimed in claim 4, it is characterized in that: described housing is connected with two driven wheels, be equipped with the tooth bar engaged with driven wheel outside the described tube connector blowing grey unit and the ash sucking tube receiving grey unit, the described driven wheel rotating band pipe that is dynamically connected moves with ash sucking tube.
8. flat deduster as claimed in claim 6, it is characterized in that: the gas skirt length direction blowing grey unit described in edge is provided with blowing pipe, described blowing pipe is evenly equipped with air outlet, described gas skirt offers an air outlet, air-flow is discharged, in order to blow ash to dust collector pole from the air outlet of blowing pipe by after gas skirt.
9. flat deduster as claimed in claim 4, is characterized in that: the sack cleaner that the grey unit of described receipts is comprised gas skirt, is connected by ash sucking tube with gas skirt, and one end of described sack cleaner is connected with dust absorption fan.
10. flat deduster as claimed in claim 9, is characterized in that: described sack cleaner is also connected with one for collecting the dust collecting box of dust rubbish.
11. flat dedusters as claimed in claim 1, is characterized in that: described discharge electrode prickle is S-shaped.
CN201410199838.8A 2014-05-13 2014-05-13 Flat deduster Expired - Fee Related CN103934104B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410199838.8A CN103934104B (en) 2014-05-13 2014-05-13 Flat deduster

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Application Number Priority Date Filing Date Title
CN201410199838.8A CN103934104B (en) 2014-05-13 2014-05-13 Flat deduster

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CN103934104B true CN103934104B (en) 2016-04-20

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106269258A (en) * 2016-08-29 2017-01-04 四川环翔科技有限责任公司 A kind of air purification method based on electro static filtering
CN106269252A (en) * 2016-08-29 2017-01-04 四川环翔科技有限责任公司 A kind of low-temp. plasma air purifier
CN106179744A (en) * 2016-08-29 2016-12-07 四川环翔科技有限责任公司 A kind of air cleaner of high adsorption rate
CN106311477A (en) * 2016-08-29 2017-01-11 四川环翔科技有限责任公司 Plasma purifier with high dust accommodation rate

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1076322A (en) * 1976-09-08 1980-04-29 Joy Manufacturing Company Gas cleansing means
JP2003112080A (en) * 2001-10-05 2003-04-15 Mitsubishi Heavy Ind Ltd Dust collection device
JP2005270702A (en) * 2004-03-23 2005-10-06 Sk Japan Kk Air cleaner
CN102553720B (en) * 2011-12-31 2014-02-05 福建东源环保有限公司 Dual flow velocity high-efficiency electrostatic dust collector
CN203764403U (en) * 2014-05-13 2014-08-13 任利萍 Plate-type dust collector

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