CN206463649U - Classified filtering formula sinter-plate precipitator - Google Patents

Abstract

The utility model discloses a kind of classified filtering formula sinter-plate precipitator, its drip irrigation device is to include dust pelletizing system, soot cleaning system, gas extraction system and collection apparatus for ash, the dust pelletizing system includes dirt pocket, positioned at inner most first air cleaning unit of dirt pocket, the second air cleaning unit outside the first air cleaning unit, the 3rd air cleaning unit outside the second air cleaning unit, first air cleaning unit includes some filters being made up of sintered plate being vertically arranged side by side, second air cleaning unit includes the fine grained filter layer of tubular, 3rd air cleaning unit includes the coarse granule filter layer of tubular.The problem of the utility model solves the inefficiency of existing sintered plate filtration core.

Description

Classified filtering formula sinter-plate precipitator

Technical field

The utility model is related to Environmental-protecting dust-removing technical field, in particular, and it is related to a kind of classified filtering formula sintered plate Deduster.

Background technology

With continuing to develop for society, people increasingly pay close attention to particle contamination levels in air quality, especially air. And particulate pollutant is mainly derived from the waste gas that industrial production is discharged, thus waste gas in processing industrial processes become for Key problems-solving.

Country's dedusting technology industry starts to use sinter-plate precipitator dedusting at present.Sinter-plate precipitator is from unique ripple Unrestrained formula sintered plate filtration core, because the high-precision technique manufacturing process of sintered plate maintains uniform micron order aperture, makes it can be with Handle ultrafine dust.Increase over time, the dust that product is attached on filtration core gradually increases, and causes by filtration core gas flow Gradually decrease.It is general to be blown off the dust that product is attached on filtration core using pulse recoil air-flow, it is ensured that dust pelletizing system is normally run. Sinter-plate precipitator typically filters bulky grain and short grained dust simultaneously using single layer filter, i.e. sintered plate filtration core, due to The dust of bulky grain quickly increases sharply the Surface coating and thickness of sintered plate filtration core, it is necessary to more frequently utilize back flushing air Stream cleaning filtration core, this stage filtration core can not work so that the operating efficiency reduction of sintered plate filtration core.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is that providing a kind of classified filtering formula sintered plate removes Dirt device, can realize that bulky grain and short grained dust are separately filtered, and extend the continuous working period of sintered plate filtration core, improve Operating efficiency.

To achieve the above object, the utility model provides following technical scheme：A kind of classified filtering formula sintered plate dedusting Device, including dust pelletizing system, soot cleaning system, gas extraction system and collection apparatus for ash, the dust pelletizing system include dirt pocket, positioned at dirt pocket It is inner most first air cleaning unit, the second air cleaning unit outside the first air cleaning unit, empty positioned at second The 3rd air cleaning unit outside air purifying apparatus, first air cleaning unit include it is some be vertically arranged side by side by burning The filter that knot tying is made, second air cleaning unit includes the fine grained filter layer of tubular, the 3rd air cleaning Device includes the coarse granule filter layer of tubular.

By using above-mentioned technical proposal, the first air cleaning unit, the second air cleaning unit and the 3rd air cleaning Device can carry out classified filtering to the dust of different-diameter size, improve the performance utilization rate of sintered plate.Avoid bulky grain Dust quickly increases sharply the Surface coating and thickness of sintered plate, so that extend the filtration time of sintered plate, and then raising should The filter efficiency of deduster.

Preferably, the fine grained filter layer is the nylon wire in 100 mesh sieve apertures.

By using above-mentioned technical proposal, its good filtration effect.

Preferably, the coarse granule filter layer is the stainless steel cloth in 40 mesh sieve apertures.

By using above-mentioned technical proposal, its good filtration effect to big dust particle.

Preferably, the fine grained filter layer along frame one is provided with week, the top of the frame one is provided with flanging one, Flanging one is fixed by screws in the top of dirt pocket.

By using above-mentioned technical proposal, its mounting structure is simple, is easy to the installation of fine grained filter layer.

Preferably, the coarse granule filter layer is provided with flanging two, flanging along frame two, the top of the frame two is provided with week Two are fixed by screws in the top of dirt pocket.

By using above-mentioned technical proposal, its mounting structure is simple, is easy to the installation of coarse granule filter layer.

Preferably, the collection apparatus for ash includes funnelform dust funnel one, dust funnel two, dust funnel three and dust Bucket collection, dirt funnel one surrounds cavity one, the air cleaning unit of dust funnel two and second formation cavity two, dust leakage with dirt pocket Struggle against the three and the 3rd air cleaning unit formation cavity three.

By using above-mentioned technical proposal, it is easy to dust centralized collection and processing.

Preferably, the soot cleaning system includes deashing chamber, the compressed air reservoir inside deashing chamber, installed in pressure Impulse controller on contracting air storage tank, the guiding device being connected on compressed air reservoir.

By using above-mentioned technical proposal, the cleaning of sintered plate can be easy to.

Preferably, two isocon groups that the guiding device be arranged in parallel by tracheae, seal closure, in seal closure Into two isocons are connected by three-way connection, isocon and the first air cleaning unit airtight connection.

By using above-mentioned technical proposal, its cleaning efficiency is high, and cleaning effect is good.

Preferably, the gas extraction system includes air-purifying chamber, the bottom between air-purifying chamber and deashing chamber, inside air-purifying chamber Getter device.

By using above-mentioned technical proposal, its good exhaust effect.

Preferably, the getter device include motor, be fixed on motor roller end spiral blade, be set in The protective cover of tubular outside blade.

By using above-mentioned technical proposal, protective cover can prevent the foreign matter inside deashing chamber to be inhaled into getter device, Avoid blade from being impacted by foreign matter and cause to damage, extend the service life of getter device.

In summary, the utility model has the advantages that compared to prior art：

1st, classified filtering is carried out for the dust of different-diameter size, improves the performance utilization rate of sintered plate；

2nd, extend the continuous working period of sintered plate filtration core, improve operating efficiency.

Brief description of the drawings

Fig. 1 is the axonometric drawing of embodiment；

Fig. 2 is the partial sectional view of embodiment；

Fig. 3 is dust pelletizing system and the explosive view of collection apparatus for ash；

Fig. 4 is the axonometric drawing of the first air cleaning unit；

Fig. 5 be Fig. 1 in A-A to sectional view；

Fig. 6 is the explosive view of gas extraction system and soot cleaning system；

Fig. 7 is the explosive view of explosion protection system；

Fig. 8 is the enlarged drawing in B portions in Fig. 2；

Fig. 9 is the explosive view of explosion venting device；

Figure 10 is the enlarged drawing in C portions in Fig. 2；

Figure 11 is the schematic diagram of bursting diaphragm closed mode.

In figure：1st, dust pelletizing system；11st, dirt pocket；111st, inlet (dust contained gas)；112nd, pressure relief opening；1121st, through hole；1122、 Annular groove；1123rd, slot；12nd, the first air cleaning unit；121st, deck one；1211st, pneumatic trough；122nd, filter；123rd, block Seat two；1231st, branch piece；13rd, the second air cleaning unit；131st, fine grained filter layer；132nd, frame one；1321st, flanging one； 14th, the 3rd air cleaning unit；141st, coarse granule filter layer；142nd, frame two；2nd, soot cleaning system；21st, deashing chamber；211st, safeguard Door；22nd, compressed air reservoir；23rd, impulse controller；24th, guiding device；241st, tracheae；242nd, seal closure；243rd, shunt Pipe；2431st, three-way connection；3rd, gas extraction system；31st, air-purifying chamber；311st, ventilating board；32nd, bottom；321st, flat board；322nd, sleeve； 33rd, getter device；331st, motor；3311st, fix bar；332nd, blade；333rd, protective cover；4th, explosion venting device；41st, ring flange；42、 Pressure relief plate；43rd, inserted block；421st, impression；5th, explosion-protection equipment；51st, dust pipeline；52nd, honeycomb screen；53rd, shell；531st, connection method It is blue；532nd, groove；54th, back pressure turnover panel；541st, substrate；542nd, thermal insulation layer；543rd, axostylus axostyle；55th, explosion stack；551st, limiting stand； 552nd, wedge-shaped slot；6th, apparatus for ash is collected；61st, dust funnel one；611st, cavity one；62nd, dust funnel two；621st, cavity two；63rd, collect Dirt funnel three；631st, cavity three；64th, dust bucket；7th, frame.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment：

Classified filtering formula sinter-plate precipitator, as depicted in figs. 1 and 2, including dust pelletizing system 1, soot cleaning system 2, exhaust system System 3, explosion venting device 4, explosion-protection equipment 5, collection apparatus for ash 6, frame 7, dust pelletizing system 1 are fixedly mounted in frame 7, explosion venting device 4 The middle part of dust pelletizing system 1 is arranged on explosion-protection equipment 5, soot cleaning system 2 is arranged on the top of dust pelletizing system 1, and gas extraction system 2 is arranged on clear The top of ash system 2, collection apparatus for ash 6 is arranged on the lower section of dust pelletizing system 1.After the dedusting of dust-contained airflow removing dust system 1, pure air by Gas extraction system 3 is discharged, and dust is fallen in the presence of soot cleaning system 2 in collection apparatus for ash 6, so as to realize dedusting.

Referring to figs. 2 and 3 dust pelletizing system 1 includes dirt pocket 11, positioned at the inner most first air cleaning dress of dirt pocket 11 Put 12, the second air cleaning unit 13 outside the first air cleaning unit 12, outside the second air cleaning unit 13 3rd air cleaning unit 14, with reference to Fig. 3 and Fig. 4, dirt pocket 11 is made up in cuboid of stainless steel plate, or other shapes Shape such as cylinder.Card of first air cleaning unit 12 at the top of some filters 122 being vertically arranged side by side, filter 122 Seat 1, the deck 2 123 of the bottom of filter 122 are constituted, and filter 122 is side undulate, to increase filtering surface Product, improves the strainability of filter 122 in unit volume.Filter 122 is sintered plate, by a variety of high-molecular compound powders And binding agent is sintered in casting mold after certain proportioning is mixed and formed, compact conformation so that wearability is improved, and extends filtering The service life of plate 122.Sintered plate is internally formed uniform hole, about 30 μm of the diameter of hole, in sintering plate surface and its interior PTFE is filled with the hole in portion（Polytetrafluoroethylene (PTFE)）Coating, does not glue with excellent chemical stability, corrosion resistance, high lubrication Property, electrical insulating property and good ageing resistance.Because filter 122 is caught by the coating on surface to dust, its light Sliding surface makes dust is extremely difficult to pass through and stop.Deck 1 and deck 2 123 are fixed at the two ends of filter 122, in deck Some pneumatic troughs 1211 are provided with one 121 along its length, pneumatic trough 1211 is connected with the cavity in filter 122, so as to Clean air outflow.The cross section of deck 2 123 is in " π " shape, and the bottom of deck 2 123 is provided with two parallel branch pieces 1231, When two branch pieces 1231 can make the first air cleaning unit 12 be placed on the ground vertically, it is to avoid the bottom of filter 122 is by clashing and breaking.

With reference to Fig. 3 and Fig. 5, the second air cleaning unit 13 includes the fine grained filter layer 131 of tubular, fine grained filter layer 131 be the nylon wire in 100 mesh sieve apertures, and fine grained filter layer 131 is cuboid knot along frame 1, frame 1 is provided with week The aluminum alloy frame of structure, or other shapes such as cylinder.Fine grained filter layer 131 is embedded fixed to frame 1 along week In, and contact position silicone rubber seal.The top of frame 1 is provided with flanging 1, and flanging 1 passes through screw The top of dirt pocket 11 is fixed on, the contact with dirt pocket 11 of flanging 1 gap passes through silicone rubber seal.3rd air is net Makeup, which puts 14, includes the coarse granule filter layer 141 of tubular, and coarse granule filter layer 141 is the stainless steel cloth in 40 mesh sieve apertures, slightly Particle filter layer 141 is the aluminum alloy frame of rectangular parallelepiped structure along frame 2 142, frame 2 142 is provided with week, or other shapes Shape such as cylinder.Coarse granule filter layer 141 is fixed in frame 2 142 along week insertion, and contact position silicone rubber seal. The top of frame 2 142 is fixed by screws in the top of dirt pocket 11 and contact position passes through silicone rubber seal.

Referring to figs. 2 and 3 collection apparatus for ash 6 includes funnelform dust funnel 1, dust funnel 2 62, dust funnel 3 63 and dust bucket 64, dust funnel 1 is made using stainless steel plate, with higher intensity, is unlikely to deform.Dust funnel One 61 top is welded and fixed and seam crossing silicone rubber seal with the bottom of dirt pocket 11.Dust funnel 2 62 and dust funnel 3 63 are made up of aluminium alloy plate, with certain intensity and lighter weight, the top of dust funnel 2 62 and the second air cleaning The bottom of the frame 1 of device 13 is welded and fixed and seam crossing silicone rubber seal.With reference to Fig. 3 and Fig. 5, dust funnel 1 Cavity 1, the air cleaning unit 13 of dust funnel 2 62 and second formation cavity 2 621, dust leakage are surrounded with dirt pocket 11 Struggle against 3 63 and the 3rd air cleaning unit 14 formation cavity 3 631.The dust of 3rd air cleaning unit 14 filtering is dropped into down In the dust funnel 1 of side, the dust of the second air cleaning unit 13 filtering is dropped into the dust funnel 3 63 of lower section, the The dust of one air cleaning unit 12 filtering is dropped into the dust funnel 2 62 of lower section, and dust is slid under under gravity In the dust bucket 64 of side, to be focused on to dust.

Referring to figs. 2 and 6 soot cleaning system 2 includes deashing chamber 21, the compressed air reservoir inside deashing chamber 21 22nd, on compressed air reservoir 22 impulse controller 23, the guiding device being connected on compressed air reservoir 22 24, deashing chamber 21 is welded into rectangular parallelepiped structure by stainless steel plate, and deashing chamber 21 is welded and fixed with dirt pocket 11 and commissure is sealed, To prevent gas leakage.Two maintenance doors 211 are hinged with the side wall of deashing chamber 21, to be safeguarded to internal equipment.Pressure Contracting air storage tank 22 is provided with air inlet（It is not drawn into figure）And gas outlet, impulse controller 23 and external electrical connections, pass through Impulse controller 23 causes compressed air reservoir 22 to discharge compressed gas by certain frequency.Guiding device 24 is by tracheae 241, close Sealing cover 242, two isocons 243 being be arranged in parallel in seal closure 242 are constituted, and two isocons 243 are square tube, two pieces points Flow tube 243 is connected by three-way connection 2431, the airtight connection of 243 and first air cleaning unit of isocon 12.Compressed air is stored up The compressed gas that gas tank 22 discharges is blown into filter 122 by gas outlet through guiding device 24, is filtered so as to periodic cleaning Dust on plate 122, prevents dust deposit from, in the blocked up influence gas permeability in the surface of filter 122, adding the use of filter 122 Efficiency.

Referring to figs. 2 and 6 gas extraction system 3 includes air-purifying chamber 31, the bottom between air-purifying chamber 31 and deashing chamber 21 32nd, the getter device 33 inside air-purifying chamber 31, bottom 32 is by the rectangular flat plate 321 adaptable with the cross section size of dirt pocket 21 Constituted with the cylindrical sleeve 322 set in the center of flat board 321.Getter device 33 includes motor 331, is fixed on motor 331 The spiral blade 332 of roller end, the protective cover 333 for the tubular being set in outside blade 332, blade 332 and protective cover 333 In sleeve 322, protective cover 333 can prevent the foreign matter inside deashing chamber 21 to be inhaled into getter device 33, it is to avoid blade 332 are impacted by foreign matter and cause to damage, and extend the service life of getter device 33.The termination of protective cover 333 is supported on flat board On 321 and it is welded and fixed, parallel two is welded with protective cover 333, between blade 332 and motor 331 solid Fixed pole 3311, motor 331 is bolted with fix bar 3311, so that motor 331 is fixed on the top of bottom 32.In air-purifying chamber 31 side wall is provided with ventilating board 311, and ventilating board 311 is steel mesh, and the pure air after the filtering of removing dust system 1 is in getter device Discharged in the presence of 33 from ventilating board 311.

With reference to Fig. 7 and Fig. 8, provided with circular pressure relief opening 112 on the side wall of dirt pocket 11, pressure relief opening 112 is in outer imperial palace Small taper.Pressure relief opening 112 be included in the outer annular groove 1122 set of through hole 1121 on the inwall of dirt pocket 11, through hole 1121, Some slots 1123 on annular groove 1122 are opened in, slot 1123 is four and is uniformly arranged.Explosion venting device 4 is arranged on pressure release At mouth 112, annular ring flange 41, ring flange 41 of the explosion venting device 4 by pressure relief plate 42, pressure relief plate 42 along week setting are set along week Some inserted blocks 43 constitute, pressure relief plate 42 is the circular sheet metal that is made using commercial-purity aluminium, the aluminum content of commercial-purity aluminium （W%）99.3% and more than so that the intensity of pressure relief plate 42 is very low, by under relatively low pressure i.e. deform.Pressure relief plate 42 exists The Al that densification is formed on its surface is passivated in air₂O₃Film so that pressure relief plate 42 has good corrosion resistance.In pressure relief plate 42 The heart is provided with the impression 421 of " ten " font, and pressure relief plate 42 is divided into some fan-shaped thin slices, and further reduction pressure relief plate 42 is whole Body bonding strength so that pressure relief plate 42 is easier to split when being pressurized at impression 421.Ring flange 41 uses punching press with pressure relief plate 42 Technique global formation.The external diameter of ring flange 41 is identical with the outside diameter of pressure relief opening 112, so that ring flange 41 can seal through hole 1121, it is to avoid gas is leaked so that air pressure is acted on pressure relief plate 42 completely so that pressure relief plate 42 is easier to split.Inserted block 43 It is adapted with the shape of slot 1123, so that inserted block 43 can be slided into annular groove 1122 along slot 1123, the thickness of inserted block 43 Degree is identical with the width of annular groove 1122, and when the rotation of inserted block 43 interlocks with slot 1123, inserted block 43, which is fixed, arrives annular groove In 1122, so that explosion venting device 4 is fixed on the side wall of dirt pocket 11.

With reference to Fig. 3 and Fig. 7, the side wall of dirt pocket 11 is provided with inlet (dust contained gas) 111, and explosion-protection equipment 5 is fixedly mounted on Outside inlet (dust contained gas) 111.With reference to Fig. 9 and Figure 10, explosion-protection equipment 5 include dust pipeline 51, with dust pipeline 51 is connected is in The explosion stack 55 of the honeycomb screen 52 laid in horn-like shell 53, shell 53, connected with outer casing 53 and inlet (dust contained gas) 111, Back pressure turnover panel 54 between shell 53 and explosion stack 55, wherein, dust pipeline 51 is seamless steel pipe, and shell 53 is set along week There is adpting flange 531, even the adpting flange 531 of a shell 53 is fixed by screw bolt and nut.It is provided with the inside of shell 53 greatly end The groove 532 of annular, the alignment of groove 532 of two pieces of shells 53 forms the cavity of cylinder.Honeycomb screen 52 is in cellular circle The wire-mesh screen of cylinder, to increase the interior surface area of honeycomb screen 52 while not influenceing dust-contained airflow to pass through, honeycomb screen 52 In cavity between two pieces of shells 53 and fix.Explosion stack 55 be square tube, explosion stack 55 at the top of the position of shell 53 it is convex Rise and form wedge-shaped slot 552, wedge-shaped slot 552 is in isosceles right triangle, and hypotenuse is with axis in 45 ° of angles.Correspondence wedge The explosion stack 55 of the lower section of shape groove 552 convexes to form limiting stand 551.Back pressure turnover panel 54 is hinged on wedge shape by axostylus axostyle 543 thereon In groove 552, back pressure turnover panel 54 includes the thermal insulation layer 542 applied on substrate 541 and substrate 541, and substrate 541 is impact resistance wolfram steel Plate, with good impact resistance, thermal insulation layer 542 is aluminum oxide and zirconia barrier coatings, can tolerate more than 1000 DEG C of height Temperature, to carry out high temperature protection to substrate 541.With reference to Figure 10 and Figure 11, back pressure turnover panel 54 is pushed away in the presence of dust-contained airflow Open, because wedge-shaped slot 552 is shaped such that back pressure turnover panel 54 is in 45° angle with axis, dust-contained airflow passes through；When back pressure turnover panel 54 by During to blast impulse, impact air-flow is pushed away back pressure turnover panel 54 is counter, due to the stop of limiting stand 551 so that back pressure turnover panel 54 will be anti- The channel enclosed of booster 55, isolates with dust pipeline 51.

The operation principle of the classified filtering formula sinter-plate precipitator is as follows：

Bulky grain, fine grained, the dust laden air of ultra-fine grain mixing enter dirt pocket by inlet (dust contained gas) 111 11, dust-contained airflow flows to filter 122 in the presence of getter device 33.First, bulky grain, fine grained, ultra-fine grain are mixed The dust laden air of conjunction is in cavity 1, by outermost 3rd air cleaning unit 14, and the dust of bulky grain is prevented from inhaling It is attached on coarse granule filter layer 141, when the dust on coarse granule filter layer 141 runs up to certain thickness, due to coarse granule mistake Filtering layer 141 can produce vibrations under gas shock, and the dust of bulky grain drops on dust funnel 1 under gravity.So Fine grained, the dust laden air of ultra-fine grain mixing enter in cavity 3 631 afterwards, by the second middle air cleaning unit 13, Fine grain dust is prevented from absorption on fine grained filter layer 131, when the dust on fine grained filter layer 131 is run up to necessarily During thickness, because fine grained filter layer 131 can produce vibrations under gas shock, fine grain dust drops under gravity On dust funnel 3 63.Finally the dust laden air with ultra-fine grain enters in cavity 2 621, is filled by the first air cleaning 12 are put, ultra-fine grain is stopped in outside filter 122, clean air enters in filter 122, then defeated through exhaust apparatus 3 Deliver to outside.When the dust on filter 122 runs up to certain thickness influence gas permeability, the control compression of impulse controller 23 is empty Gas air accumulator 22 discharges compressed air, and compressed air enters in filter 122 by guiding device 24, and compressed air blows dust Fall, thus dust on periodic cleaning filter 122, dust is fallen under gravity into the dust funnel 2 62 of lower section.By In the dust of filter 122 on deposition of ultrafine particles, negligible amounts, deposit thickness increase is slow, so can be with longer interval Time is cleared up filter 122 so that the dedusting time lengthening of filter 122, improves the operating efficiency of filter 122.

Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (10)

1. a kind of classified filtering formula sinter-plate precipitator, it is characterised in that：Including dust pelletizing system (1), soot cleaning system (2), exhaust System (3) and collection apparatus for ash (6), the dust pelletizing system (1) include dirt pocket (11), positioned at dirt pocket (11) inner most first It is air cleaning unit (12), empty positioned at outer the second air cleaning unit (13) of the first air cleaning unit (12), positioned at second The 3rd air cleaning unit (14) of air purifying apparatus (13) outside, first air cleaning unit (12) is erected side by side including some The filter (122) being made up of sintered plate directly set, second air cleaning unit (13) includes the fine grained mistake of tubular Filtering layer (131), the 3rd air cleaning unit (14) includes the coarse granule filter layer (141) of tubular.

2. classified filtering formula sinter-plate precipitator according to claim 1, it is characterised in that：The fine grained filter layer (131) it is the nylon wire in 100 mesh sieve apertures.

3. classified filtering formula sinter-plate precipitator according to claim 1, it is characterised in that：The coarse granule filter layer (141) it is the stainless steel cloth in 40 mesh sieve apertures.

4. classified filtering formula sinter-plate precipitator according to claim 1, it is characterised in that：The fine grained filter layer (131) along frame one (132) is provided with week, the top of the frame one (132) is provided with flanging one (1321), flanging one (1321) it is fixed by screws in the top of dirt pocket (11).

5. classified filtering formula sinter-plate precipitator according to claim 1, it is characterised in that：The coarse granule filter layer (141) along frame two (142) is provided with week, the top of the frame two (142) is provided with flanging two, and flanging two is fixed by screws in The top of dirt pocket (11).

6. classified filtering formula sinter-plate precipitator according to claim 1, it is characterised in that：Collection apparatus for ash (6) bag Include funnelform dust funnel one (61), dust funnel two (62), dust funnel three (63) and dust bucket (64) collection, dirt funnel one Cavity one (611), dust funnel two (62) and the second air cleaning unit (13) formation cavity two are surrounded with dirt pocket (11) (621), dust funnel three (63) and the 3rd air cleaning unit (14) formation cavity three (631).

7. classified filtering formula sinter-plate precipitator according to claim 1, it is characterised in that：Soot cleaning system (2) bag Include deashing chamber (21), positioned at the internal compressed air reservoir (22) of deashing chamber (21), installed in compressed air reservoir (22) On impulse controller (23), the guiding device (24) that is connected on compressed air reservoir (22).

8. classified filtering formula sinter-plate precipitator according to claim 7, it is characterised in that：The guiding device (24) by Tracheae (241), seal closure (242), two isocons (243) composition being be arranged in parallel in seal closure (242), two shuntings Manage (243) to connect by three-way connection (2431), isocon (243) and the first air cleaning unit (12) airtight connection.

9. classified filtering formula sinter-plate precipitator according to claim 1, it is characterised in that：Gas extraction system (3) bag Include the internal air-breathing dress of air-purifying chamber (31), the bottom (32) between air-purifying chamber (31) and deashing chamber (21), air-purifying chamber (31) Put (33).

10. classified filtering formula sinter-plate precipitator according to claim 9, it is characterised in that：The getter device (33) Including motor (331), the spiral blade (332) for the roller end for being fixed on motor (331), it is set in blade (332) outside Tubular protective cover (333).