CN105327578B - A kind of dusty gas purification method - Google Patents
A kind of dusty gas purification method Download PDFInfo
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- CN105327578B CN105327578B CN201510557777.2A CN201510557777A CN105327578B CN 105327578 B CN105327578 B CN 105327578B CN 201510557777 A CN201510557777 A CN 201510557777A CN 105327578 B CN105327578 B CN 105327578B
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Abstract
A kind of dusty gas purification method, the device is carried out charged using pre-load electric apparatus to the dust in air-flow, dusty gas after then will be charged is imported in dust cleaning case, multigroup conductive porous ceramic filter tube is set in dust cleaning case, each conductive porous ceramic filter tube is interconnected, the powered charge identical high-tension electricity of load and dust institute thereon, the electric conductivity that conductive porous earthenware is filtered is realized by coating the porous ceramicss coating containing conducting medium, air seal and electric insulation are realized by insulated enclosure packing ring between conductive porous earthenware and card, Charged in gas cannot be introduced into the fine duct of conductive porous ceramic filter tube wall, easy deashing.The pre-load electric apparatus of front end are worked at higher voltages, and to realize that dust is fully charged, the conductive porous ceramic filter tube in rear end easily realizes the electric insulation between conductive porous ceramic filter tube and equipment card and outer cylinder body by the relatively low voltage of another power supply load.
Description
Technical field
The present invention relates to a kind of dusty gas purification method, belongs to dedusting, waste gas pollution control and treatment and environmental protection technical field.
Background technology
Industrial dedusting field has had many mature technologies at present, for example：Dust removal with machine, wet dedusting, bag-type dusting,
Electric precipitation and electrostatic bag type composite dedusting etc..Dust removal with machine is carried out using machinerys such as dust-settling compartment, cyclone separator
The method of dedusting, the method dust larger for granule have preferable effect, but left for 2 μm that cause gray haze pollution
Right particle, its purification efficiency is very low, and for subparticle, the reentrainment of dust problem of this class dust arrester is tight
Weight, it is impossible to effectively play a role in the case where the efficiency of dust collection currently for subparticle requires more and more higher.Wet dedusting
The method for carrying out dedusting using spray column, water dust scrubber or venturi scrubber, be common in process dust granules size compared with
Big gas, the granule of tied up collection can be discharged by forming mud with water, and requirement of the technique to equipment is also higher, equipment
Volume is larger, invests higher, and brings the problem of slurry waste fluid process.
The efficiency of dust collection of bag-type dusting is very high, the better tolerance fluctuated to the particle size range of dust, even if fine dust
Very high rejection can be also successfully obtained, however, the pressure drop of bag-type dusting is larger, for the power of the gas delivery equipments such as blower fan
Loading demands are high, additionally, cloth bag common at present is difficult to tolerate high temperature, in waste gas containing red heat granule and the granule that glows
For sintering flue gas, using bag-type dust it occur frequently that " burning bag " accident.Additionally, common industrial waste gas processes workshop section, waste gas
Very low, larger for the pressure drop bag-type dusting of pressure, it is often necessary to improve fan pressure head to deal with the pressure drop of cloth bag, or even need
Again to choose blower fan.
Electric precipitation be also it is current commonly use very much and high-effective dust-removing means, the method be it is charged to the dust in gas first,
Which is then removed from air-flow by electric field force and is fixed on the dust collection method of electrode plate surface.The method can be used for high temperature and give up
Gas disposal, and the only pressure drop resistance of very little, but its shortcoming is that the conductivity to dust, gas humidity all there are certain requirements,
High dust removal efficiency can not be otherwise obtained, the one-time investment of the method is higher in addition, operating cost is not also low.Meanwhile, it is current
To tie up collection efficiency less than 2.5 μm of granule very low for particle diameter for industrial electrostatic precipitation technology, limited for the gray haze pollution contribution of air.
The compound collecting method of electrostatic and cloth bag is again plus a bag collection, so can be with after electrostatic dust collection workshop section
Big dust particle is removed by electrostatic methods, and adopts cloth bag retention fine dust granule, such bag collection workshop section deashing behaviour
The frequency of work can be greatly reduced, and whole device dust removing effects are good, therefore this is industrially the most commonly used and ripe at present answering
Close dust collecting process to select, but its equipment investment is larger, when cloth bag selects organic fabric, what electrostatic precipitation workshop section in front produced
Ozone may occur serious infringement to cloth bag, in addition, for the flue gas containing coke tar particles, Mars and the granule that glows is (as burnt
Knot flue gas) for, this scheme can equally occur " burning bag " accident.
Now with the ripe day by day of industrial porous ceramic technology, there is very reliable porous ceramic filter pipe to be used for
The dust-filtering (such as Yixing Non-Metallic Chemical Mechinery Factory, Jiangsu Prov.'s Related product) of industrial waste gas, due to earthenware heat stability
Height, can be used for the occasion of high temperature air filtration, however, different from bag collection, the product of porous ceramicss gas filtration pipe surface
When dirt is blocked up, it is impossible to the in addition deashing by way of " rapping ", the method for compressed gas blowback in addition deashing can only be passed through, this leads
The molecule that cause is much deposited in porous ceramic pipe duct thoroughly can not be removed, and make porous ceramic pipe in use
Vapour lock is increasing.Additionally, when coke tar particles are contained in gas, sticky coke tar particles can be to the hole of ceramic foam filter film
There is fatefulue plugging action in road, so which thoroughly loses gas filtering ability.
In recent years, occur in that in electric bag composite dedusting field and conductive fiber is woven in the middle of cloth bag so as to charged to cloth bag
Dedusting new technique, this technology is without arranging electrostatic dust collection pole, and uses cloth bag as dust collector pole, typically can on cloth bag
With load and corona discharge electrode electric charge of the same race, it is also possible to which the contrary electric charge of load, wherein load identical charges is more reasonable, so
Dust will by cloth bag surface repulsion, so as to very loose muffin is formed on cloth bag, so cloth bag deashing be very easy to, and
And the vapour lock very little of muffin, the cycle of deashing greatly prolongs.But the program is higher to requirement that cloth bag makes, it is desirable to conductive fine
The highly uniform blending of dimension is in cloth bag, and cloth bag is not resistant to the too high operating mode of flue-gas temperature, additionally, dust charge electric pole
The ozone that (corona discharge electrode) is produced still can occur oxidative damage to cloth bag.
In order to overcome blocking action of the fine dust to ceramic filter tube, and slow down gas pressure drop caused by fine and close muffin layer
Loss, inventor once disclosed a kind of same to improve muffin porousness, recycling load and powder body using electrostatic pre electrified
The conductivity ceramics pipe for planting electric charge prevents fine dust from " piercing " the new dedusting technology that porous ceramic pipe filters duct
(201410148525.X), the effect that highly significant is achieved in experimentation of the technical scheme：Significantly reduce dedusting
During muffin resistance, and improve the regenerability of muffin.But the technical scheme is also faced with several obvious problems：
First, in former technical scheme, the corona discharge electrode of pre-load electric apparatus is connected with the conductive porous ceramic filter tube in rear end, causes both must
Must power simultaneously, and voltage is identical, and find during further practical study, the conductive porous ceramic filter tube in rear end is only
Need to just can be with the incipient stage load high-tension electricity of dust removal process, and its voltage just successfully can be realized to conduction when relatively low
The protection of porous ceramic filter pipe, and do not need the corona discharge electrode identical high voltage of load and front end pre-load electric apparatus.Additionally, grinding
Study carefully it was also found that the Insulation Problems between conductive porous ceramic filter tube and card and equipment barrel be it is extremely important and
Crucial.It is when the corona discharge electrode identical high pressure of load on conductive porous ceramic filter tube and front end pre-load electric apparatus, conductive porous
Electric insulation between ceramic filter tube and equipment will be very difficult, and the more high then charged effect of the voltage of front end pre-load electric apparatus
It is better, therefore there occurs between the charged effect of the electric insulation and front end pre-load electric apparatus of the conductive porous ceramic filter tube in rear end and be difficult to
The contradiction taken into account.
In sum, need a kind of novel dust removing technology for taking into account the charged effect of dust and apparatus insulated requirement at present badly, should
Technology should keep that vapour lock in 201410148525.X technical schemes is little, flux is big, temperature range width the advantages of, and have and hold
The advantages of easily realizing, be easy to industrialization.
The content of the invention
It is an object of the invention to obtained by a kind of simple method fill with low vapour lock, high-throughout high-effective dust-removing
Put.The device has the advantage of the advantage of electrostatic precipitation and porous ceramicss membrane filtration, and charged efficiency high concurrently, and equipment electric insulation is easy
Realize.
The purpose of the present invention is realized by following technical scheme, using the pre-load electric apparatus with negative corona to dust-laden
Dust granules in air-flow carry out charged, then will be passed through in dust-removing box with the air-flow of Charged granule, dust-removing box
The conductive porous ceramic filter tube of middle placement, conductive porous ceramic filter tube are interconnected by electrode saddle, and with high voltage power supply
Negative pole is connected, with the surface load high pressure negative electricity using high voltage power supply to conductive porous ceramic filter tube, conductive porous ceramic mistake
The inner materials of chimney filter are cordierite, SiC ceramic or mullite, and conductive porous ceramic filter tube is conductive more by surface-coated
Hole ceramic coating is realized by insulated enclosure packing ring between conductive porous ceramic filter tube and equipment card realizing electric conductivity
Air seal and electric insulation, when being reached conductive porous ceramic filter pipe surface with air-flow by the charged dust granules of pre-load electric apparatus
When, because dust granules load has and conductive porous ceramic filter pipe surface identical electric charge, dust granules can not be entered
The microfiltration duct of conductive porous ceramic filter tube, can only form loose muffin in conductive porous ceramic filter pipe surface
Layer, simultaneously as electric charge is identical between dust granules, so there is significant electrostatic repulsion effect between dust granules, makes conduction many
The muffin layer that hole ceramic filter pipe surface is formed is more loose, therefore muffin layer air resistance very little, is also easy to by compression
Blow-back regenerates, meanwhile, conductive porous ceramic filter tube surface cleaning after regeneration, regeneration are abundant, do not tend to have dust residual
Stay.
The dusty gas purification method, is further characterized in that：The pre-load electric apparatus for being adopted are polar curve-circular pipe type pre-load electric apparatus
Or polar curve-flat pre-load electric apparatus, corona discharge electrode load high pressure negative electricity, voltage be -30kV～-70kV, die opening be 10cm～
40cm。
The dusty gas purification method, is further characterized in that：Described conductive porous ceramic filter tube surface load high pressure
Negative electricity, voltage are -5kV～30kV.
The dusty gas purification method, is further characterized in that：Described conductive porous ceramic filter pipe surface need to only removed
Dirt process starts to the interstage load high pressure negative electricity of dust removal process, and the charged time is the 1/4～1/ of dedusting-regeneration period
2。
The dusty gas purification method, is further characterized in that：The electric conductivity of described conductive porous ceramic filter pipe surface
Can be using in the middle of coating doping copper powder, nikel powder, aluminium powder, iron powder, manganese powder, graphite powder, CNT, conductive black, carbon fiber
One kind or arbitrarily several mixture conductive porous ceramic coating and obtain, the line resistance of conductive porous ceramic coating exists
Between 10 Ω/m～20M Ω/m.
The dusty gas purification method, is further characterized in that：The caliber 50 of the conductive porous ceramic filter tube for being adopted～
400mm, length 1m～3m, porosity 15%～90%, 0.3 μm～100 μm of average pore size.
Dusty gas purification method disclosed in this invention, its vapour lock are less, simultaneously because conductive porous ceramic filter tube
The muffin on surface is loose, and in dust removal process, the vapour lock change of device is little, and loose muffin is easy to blowback and removes and make
Device regenerates, additionally, conductive porous ceramic filter tube heat resisting corrosion-proof, can be used for high temperature and the occasion containing corrosive gas,
Even if corona discharge electrode will not also occur the infringement to conductive porous ceramic filter tube because abnormal conditions flashing discharges, this is
Can not be compared using bag collection, simultaneously as the conductive porous ceramic filter tube difference of the pre-load electric apparatus of front end and rear end
Be powered using two power supplys, can on the pre-load electric apparatus of front end the higher voltage of load, to ensure dust by fully charged,
And while can on the conductive porous ceramic filter tube in rear end the relatively low voltage of load, with guarantee conductive porous ceramic filter tube and
Electric insulation is realized between device card and outer cylinder body.
Description of the drawings
As depicted in figs. 1 and 2, Fig. 1 is the section view at the structural representation and A-A and B-B of dust arrester to the apparatus module
Figure, enlarged drawings of the Fig. 2 for dust arrester local, emphasis show conductive porous ceramic filter tube, electrode saddle and card
Annexation, Fig. 2 give the section signal after conductive porous ceramic filter tube wall accumulates dust after dust removal operation
Figure.In Fig. 1 and Fig. 2, the title of each several part is as follows：
1：Clean gas tank upper cover plate；2：Clean gas tank；3：Card；4：Clean gas flow；5：Conductive porous ceramic filter tube；6：
Conductive porous ceramic filter channel closure；7：Electrode saddle；8：Dust-contained airflow；9：Conductive porous ceramic filter tube wall；10：Powder
Cake；11：The high voltage power supply of pre-load electric apparatus；12：Pre-load electric apparatus；13：Dust cleaning case；14：Dust-contained airflow entrance；15：Gases at high pressure are anti-
Mouthpiece (is used for dust arrester deashing)；16：Collection ash silo；17：Insulated enclosure circle between conductive porous ceramic filter tube and card；
18：To the insulated enclosure circle between the charged high-voltage conducting wires of conductive porous ceramic filter tube and equipment box；19 to conductive porous
The charged high voltage power supply of ceramic filter tube.
Fig. 1 and Fig. 2 give a kind of arrangement mode of the dedusting module, but pre-load electric apparatus in the technical scheme are not tied
Configuration formula, the quantity of corona discharge electrode, conductive porous ceramic filter tube quantity, arrangement mode, length constitute any restriction, as long as pre- lotus
Electrical equipment can guarantee that dust-contained airflow by fully charged, and the air-flow after dust is charged can uniformly flow into conductive porous ceramics
Filter pipe surface.Meanwhile, Fig. 1 and Fig. 2 gases at high pressure back blow port positions also not to the dust arrester, external high voltage power supply
The connected mode of position, electrode saddle arrangement mode and electrode saddle and conductive porous ceramic filter channel closure constitutes any limit
System.As long as electrode saddle ensure per root conductive porous ceramic filter tube can successful load with dust electrical electric charge of the same race just
If can, the connection of external high voltage power supply ensure and device box fully insulate just can, meanwhile, Fig. 1 is not also to pre-load electric apparatus
Form is construed as limiting, and can both be polar curve-flat, or polar curve-circular pipe type as shown in Figure 1.
Specific embodiment
The purpose of the present invention is realized by following technical scheme, using the pre-load electric apparatus with negative corona to dust-laden
Dust granules in air-flow carry out charged, then will be passed through in dust-removing box with the air-flow of Charged granule, dust-removing box
The conductive porous ceramic filter tube of middle placement, conductive porous ceramic filter tube are interconnected by electrode saddle, and with high voltage power supply
Negative pole is connected, with the surface load high pressure negative electricity using high voltage power supply to conductive porous ceramic filter tube, conductive porous ceramic mistake
The inner materials of chimney filter are cordierite, SiC ceramic or mullite, and conductive porous ceramic filter tube is conductive more by surface-coated
Hole ceramic coating is realized by insulated enclosure packing ring between conductive porous ceramic filter tube and equipment card realizing electric conductivity
Air seal and electric insulation, when being reached conductive porous ceramic filter pipe surface with air-flow by the charged dust granules of pre-load electric apparatus
When, because dust granules load has and conductive porous ceramic filter pipe surface identical electric charge, dust granules can not be entered
The microfiltration duct of conductive porous ceramic filter tube, can only form loose muffin in conductive porous ceramic filter pipe surface
Layer, simultaneously as electric charge is identical between dust granules, so there is significant electrostatic repulsion effect between dust granules, makes conduction many
The muffin layer that hole ceramic filter pipe surface is formed is more loose, therefore muffin layer air resistance very little, is also easy to by compression
Blow-back regenerates, meanwhile, conductive porous ceramic filter tube surface cleaning after regeneration, regeneration are abundant, do not tend to have dust residual
Stay.
The dusty gas purification method, is further characterized in that：The pre-load electric apparatus for being adopted are polar curve-circular pipe type pre-load electric apparatus
Or polar curve-flat pre-load electric apparatus, corona discharge electrode load high pressure negative electricity, voltage be -30kV～-70kV, die opening be 10cm～
40cm。
The dusty gas purification method, is further characterized in that：Described conductive porous ceramic filter tube surface load high pressure
Negative electricity, voltage are -5kV～30kV.
The dusty gas purification method, is further characterized in that：Described conductive porous ceramic filter pipe surface need to only removed
Dirt process starts to the interstage load high pressure negative electricity of dust removal process, and the charged time is the 1/4～1/ of dedusting-regeneration period
2。
The dusty gas purification method, is further characterized in that：The electric conductivity of described conductive porous ceramic filter pipe surface
Can be using in the middle of coating doping copper powder, nikel powder, aluminium powder, iron powder, manganese powder, graphite powder, CNT, conductive black, carbon fiber
One kind or arbitrarily several mixture conductive porous ceramic coating and obtain, the line resistance of conductive porous ceramic coating exists
Between 10 Ω/m～20M Ω/m.
The dusty gas purification method, is further characterized in that：The caliber 50 of the conductive porous ceramic filter tube for being adopted～
400mm, length 1m～3m, porosity 15%～90%, 0.3 μm～100 μm of average pore size.
Several specific embodiments are enumerated below, to further understand the present invention：
Embodiment 1：
It is 1m to take 9 length, and a diameter of 50mm, wall thickness are 5mm, the SiC porous ceramic pipes that porosity is 15%, and which is average
Pore size is 0.3 μm, the conductive porous ceramic coating of its surface-coated, and the conductive component of coating is copper powder, and surface line resistance is
10 Ω/m, earthenware constitute foursquare mode according to adjacent four pipes and arrange tube bank for 3X3 patterns, tube pitch 250mm,
Conductive porous ceramic filter tube surface load 5000V negative voltages, pre-load electric apparatus be polar curve-flat, die opening 10cm, corona discharge electrode
For length 0.3m, the wire of diameter of section 2mm, voltage -30kV, flat board of the dust collector pole section for 30cmX10cm, die opening of gathering dust
20cm, just obtains the high effect dust cleaner.
Embodiment 2：
17 length are taken for 1m, a diameter of 100mm, wall thickness are 5mm, the porous cordierite ceramicses pipe that porosity is 50%,
Its average pore size is 3 μm, the conductive porous ceramic coating of its surface-coated, and the conductive component of coating is nikel powder, surface line electricity
Hinder for 1000 Ω/m, earthenware is constituted the principles arrangement tube bank of equilateral triangles by three adjacent tube banks, tube pitch 30cm,
Conductive porous ceramic filter tube surface load 10kV negative voltages, pre-load electric apparatus are polar curve-flat, corona extremely length 0.6m,
The wire of diameter of section 3mm, voltage -50kV, flat board of the dust collector pole section for 30cmX50cm, polar plate spacing 60cm are just somebody's turn to do
High effect dust cleaner.
Embodiment 3：
20 length are taken for 2m, a diameter of 200mm, wall thickness are 10mm, the mullite porous ceramic pipe that porosity is 80%,
Its average pore size is 5 μm, the conductive porous ceramic coating of its surface-coated, and the conductive component of coating is graphite powder, surface line
Resistance is 9000 Ω/m, and earthenware is by the adjacent three principle arrangement tube banks for restraining composition equilateral triangles, tube pitch
40cm, conductive porous ceramic filter tube surface load 20kV negative voltages, pre-load electric apparatus be line-tubular type, corona extremely length 0.5m,
Star wire of the nominal diameter for 4mm, voltage -70kV, gather dust the extremely cylinder of diameter 40cm, and length is 0.5m, is just somebody's turn to do
Efficiently tie up dirt device and just obtain the high effect dust cleaner.
Embodiment 4：
20 length are taken for 2m, a diameter of 200mm, wall thickness are 10mm, the mullite porous ceramic pipe that porosity is 90%,
Its average pore size is 100 μm, the conductive porous ceramic coating of its surface-coated, and the conductive component of coating is CNT, is pressed
Adjacent four pipes of photograph constitute foursquare mode and arrange tube bank, tube pitch 50cm, conductive porous ceramic filter pipe surface lotus
- 30kV negative voltages are carried, pre-load electric apparatus are polar curve-flat, corona extremely jagged line：Which is that length 0.4m, thickness are
1.5mm, there is a sawtooth per 25mm without serrated portion width 5mm, both sides, sawtooth height 5mm, voltage 30kV, dust collector pole section is
The flat board of 40cmX80cm, polar plate spacing 25cm just obtain the high effect dust cleaner.
Embodiment 5：
20 length are taken for 3m, a diameter of 400mm, wall thickness are 30mm, the porous cordierite ceramicses pipe that porosity is 90%,
Its average pore size is 5 μm, the conductive porous ceramic coating of its surface-coated, and the conductive component of coating is aluminium powder, by adjacent
The principle arrangement tube bank of three tube bank composition equilateral triangles, tube pitch 52cm, conductive porous ceramic filter tube surface load-
20kV negative voltages, pre-load electric apparatus are polar curve-flat, corona extremely jagged line：It is length 1m, thickness be 1.5mm, without saw
Teeth portion partial width 5mm, both sides have a sawtooth per 25mm, and sawtooth height 5mm, voltage 40kV, dust collector pole section are 50cmX80cm's
Flat board, polar plate spacing 30cm just obtain the high effect dust cleaner.
Claims (6)
1. a kind of dusty gas purification method, is realized by following technical scheme：Using the pre electrified with negative corona
Device carries out charged to the dust granules in dust-contained airflow, then will be passed through in dust-removing box with the air-flow of Charged granule,
Conductive porous ceramic filter tube, conductive porous ceramic filter tube is disposed to be interconnected by electrode saddle in dust-removing box, and it is and high
The negative pole of voltage source is connected, with the surface load high-tension electricity using high voltage power supply to conductive porous ceramic filter tube, pre-load electric apparatus
Powered to corona discharge electrode using a high voltage power supply, and conductive porous ceramic filter tube is then using another high voltage power supply powering, in advance
The running voltage of the high voltage power supply that the running voltage of the high voltage power supply that charge electric appliance is used is used higher than conductive porous ceramic filter tube,
The inner materials of conductive porous ceramic filter tube are cordierite, SiC ceramic or mullite, and conductive porous ceramic filter tube passes through
The conductive porous coating of surface-coated is realizing electric conductivity, close by insulating between conductive porous ceramic filter tube and equipment card
Seal washer realizes air seal and electric insulation, when being reached conductive porous ceramic mistake with air-flow by the charged dust granules of pre-load electric apparatus
During chimney filter surface, because dust granules load has and conductive porous ceramic filter pipe surface identical electric charge, dust granules
The microfiltration duct of conductive porous ceramic filter tube can not be entered, can only form loose in conductive porous ceramic filter pipe surface
Muffin layer, simultaneously as dust granules, are made so there is the effect of significantly repelling each other between dust granules by load identical electric charge
The muffin layer that conductive porous ceramic filter pipe surface is formed is more loose, therefore muffin layer air resistance very little, is also easy to lead to
Overcompression blow-back regenerates, meanwhile, conductive porous ceramic filter tube surface cleaning after regeneration, regeneration are abundant, do not tend to have
Dust is remained.
2. a kind of dusty gas purification method as claimed in claim 1, is further characterized in that：The pre-load electric apparatus for being adopted are pole
Line-circular pipe type pre-load electric apparatus or polar curve-flat pre-load electric apparatus, corona discharge electrode load high pressure negative electricity, voltage be -30kV～-
70kV, die opening are 10cm～40cm.
3. a kind of dusty gas purification method as claimed in claim 1, is further characterized in that：Described conductive porous ceramic mistake
Chimney filter surface load high pressure negative electricity, voltage are -5kV～30kV.
4. a kind of dusty gas purification method as claimed in claim 1, is further characterized in that：Described conductive porous ceramic mistake
Chimney filter surface only need to start in dust removal process to the interstage load high pressure negative electricity of dust removal process, the charged time be dedusting-
The 1/4～1/2 of regeneration period.
5. a kind of dusty gas purification method as claimed in claim 1, is further characterized in that：Described conductive porous ceramic mistake
The electric conductivity on chimney filter surface is using coating doping copper powder, nikel powder, aluminium powder, iron powder, manganese powder, graphite powder, CNT, conduction
The conductive porous ceramic coating of one kind in the middle of white carbon black, carbon fiber or arbitrarily several mixture and obtain, conductive porous pottery
The line resistance of porcelain coating is between 10 Ω/m～20M Ω/m.
6. a kind of dusty gas purification method as claimed in claim 1, is further characterized in that the conductive porous ceramics for being adopted
50～the 400mm of caliber of filter tube, length 1m～3m, porosity 15%～90%, 0.3 μm～100 μm of average pore size.
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| CN106215575A (en) * | 2016-08-31 | 2016-12-14 | 芜湖恒耀汽车零部件有限公司 | Automobile tail gas filtering device ceramic membrane filter material |
| CN108079696B (en) * | 2017-12-19 | 2020-06-16 | 中国科学院过程工程研究所 | Device and method for removing conductive dust and application thereof |
| CN110159397B (en) * | 2018-04-19 | 2020-09-11 | 北京纳米能源与系统研究所 | Particulate matter trap in gas and motor vehicle exhaust particulate matter trap |
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| JP2001232145A (en) * | 2000-02-23 | 2001-08-28 | Kojima Hiroyuki | Dry type automatic heat resistant dust collecting and deodorizing device for high temperature inert gas and its systemization |
| CN201175633Y (en) * | 2008-04-25 | 2009-01-07 | 萍乡市西源填料厂 | Micropore ceramics dust remover |
| AT507524B1 (en) * | 2008-10-23 | 2010-10-15 | Siemens Vai Metals Tech Gmbh | METHOD AND DEVICE FOR REMOVING PARTICULATE SOLIDS FROM A GASSTROM |
| CN102515778B (en) * | 2011-10-24 | 2013-07-03 | 东北林业大学 | Manufacturing method of electroconductive woodceramic powder |
| CN103657316B (en) * | 2013-11-26 | 2016-03-30 | 清华大学 | A kind of Electrostatically-enelectric-bag electric-bag compound dust remover |
| CN103961962B (en) * | 2014-04-14 | 2016-01-20 | 中国科学院过程工程研究所 | The dusty gas purifier of a kind of electrostatic and inorganic porous ceramic pipe compound |
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