CN1744937A - Dust filter for using in operations endangered by gases - Google Patents
Dust filter for using in operations endangered by gases Download PDFInfo
- Publication number
- CN1744937A CN1744937A CNA200380109379XA CN200380109379A CN1744937A CN 1744937 A CN1744937 A CN 1744937A CN A200380109379X A CNA200380109379X A CN A200380109379XA CN 200380109379 A CN200380109379 A CN 200380109379A CN 1744937 A CN1744937 A CN 1744937A
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- China
- Prior art keywords
- filter unit
- filtering material
- dust filter
- dust
- filter element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0091—Including arrangements for environmental or personal protection
- B01D46/0093—Including arrangements for environmental or personal protection against fire or explosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4209—Prevention of static charge, e.g. by grounding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a dust filter unit (1) for condition containing dangerous gases, which includes filter element (10). The filter element (10) is antistatic by deduced components of carbon fibers, salts, or special steel fibers (26, 27), wherein, the filter element (10) connects to shell frame (14) by conductor (16) sorrounding sealing element (15) to avoid the charge in internal space of single filter element (10) or dust filter unit (1).
Description
The present invention relates to be used for have the dust filter unit of the operating mode of gas danger, underground mining or construct the tunnel particularly, it has a housing, be provided with one or more absorption dust in the housing and flow through the distinguished and admirable filter cell that contains dust, this filter cell has the filtering material that suppresses dust and/or correspondingly constitutes.
Such dust filter unit, that is device for drying and filtering are used for different industrial circles, with will be in exploitation or production process the dust that produce precipitation as far as possible early and widely, and thus by air stream or distinguished and admirable in separate.In the housing that is made of metal usually, be provided with by considering the filter element that cloth or respective needle fabric or similar material constitute at this, this filter element is flowed by air or distinguished and admirable passing, wherein filter element suppresses the dust flow through, makes at the housing outlet side and flows out air or the wind that correspondingly cleaned.
Clean described filter element by vibration, adverse current or similar measure, wherein collect and remove the dust of sedimentation.Having in the operating mode of gas danger must throttling air stream or distinguished and admirable, makes when corresponding dust particle or other distinguished and admirable particle collisions that carries (Auftreffen) and can not produce spark.The flow of this thus deduster or dust filter unit significantly reduces, and must use bigger equipment, maybe must seek other dedusting approach.Just in the operating mode that gas danger is arranged and in underground mining, also must be able to not discharge especially and influence the particularly material of overanxious self-rescuer of remaining equipment, the workman of these equipment in should protection work.Especially produce spark or this adverse effect can take place during burning in environment in the part of filter element, wherein standard code can not be discharged into the residual gas of poisonous or viscosity (verklebend) in the environment.Here installed device must meet therewith.
Task of the present invention is to provide a kind of deduster or a kind of dry dust removal filter, and it is used for having the operating mode of gas danger.
This task so solves by the present invention, and promptly by metallic plate or similarly, be provided with air-locked sealing between the housing made of the material of conduction and the filter element edge, the filtering material conduction is passed through an electric conductor and linked to each other with housing getting around under the situation of sealing.
This dust filter unit and the use of consequent deduster in the operating mode that gas danger is arranged thus can be unexpectedly safe and simple, and the danger that the electrostatic charging of having no way of etc. cause.Even so, even in the time should producing fire, harmful substance is at first immediately by flowing out in the housing.If this takes place down in more among a small circle, the gas that is flowed out is harmless for overanxious self-rescuer so, makes also not jeopardize under extreme case in this operating mode or the people who works in the zone.By corresponding filter element and the special projects assurance of the deduster of manufacturing thus, when being arranged, starch dirt particles hit do not produce charging on filter element, because itself conducts electricity filtering material, and the electric current that is produced is led away by conductor, and making electric current arrival is harmless also by the housing that metallic plate constitutes herein.The housing that is made of metallic plate is ground connection or based on corresponding distribution, corresponding electric current is not dangerous fully come what may.Significantly reduced possible igniting thus.
According to a suitable improvement project regulation of the present invention, filter element links to each other with housing by the retaining element that stretches out the filter element inboard, and electric conductor and housing and filtering material are fixing conductively.Filter element is fixed on the housing by retaining thread spare or like usually, so that change filter element.If self is not fixed on filter element on the housing, but be fixed on the part frame, this part frame is can be in housing removable or can otherwise fix, thereby always can guarantee, can reliably prevent electrostatic charging on the overall components by the present invention.Retaining element fixing electric conductor when screwing in, electric conductor self conducts electricity with the filtering material that conducts electricity and is connected, and makes described may can the generation with the bump problem of high-speed impact to the dust granules of filtering material.This has very big advantage as described in the principle of the invention, needn't consider to flow through the air or the wind of housing.Can realize guaranteeing the best optimum speed that uses deduster or dust filter unit in other words.
Another suitable scheme regulation, electric conductor is made of copper cash, filtering material also blocking filter self-rescuer not when fire.But simple realization reliably and transmit electric charge in time even make under limiting case, does not promptly jeopardize important filter self-rescuer during fire thus.This material is also referred to as the ATEX material.
According to improvement project, be preferably the electric conductor that constitutes by copper cash and surround wavy filtering material and have the extremity piece that leads to retaining element.Therefore electric conductor closely rests on the filtering material, makes total energy guarantee discharge, at first because the electric conductor surrounding filter material.By having the electric conductor of extremity piece, produce by the connection of retaining element to the housing that constitutes by metallic plate.
By imitating the slippage from the retaining element of the extremity piece prevent electric conductor to be arranged with, promptly extremity piece has the screw thread of the retaining element that encirclement is made of screw element and ring movably thereon.Therefore only need the annular extremity piece of correspondence is set on the screw thread of retaining element, and hold-down nut, make total energy guarantee to be electrically connected.
In addition, find out thus that electric conductor should surrounding filter material.In these supplementary provisions, electric conductor is connected on a plurality of positions conductively with filtering material.The corresponding surrounding filter material of electric conductor is normally enough.For tight contact that guarantees under oscillating movement or other load effects between electric conductor and the filtering material, the present invention's regulation, electric conductor and filtering material conductively in a plurality of positions normally (regelrecht) be connected.
Prevent to produce charging by filtering material, wherein the present invention stipulates at this, and filtering material scribbles anti-static material or soaks thus, and the connection on the surface of filtering material is lasting.Guarantee by this scheme that at this filtering material still satisfies task originally, is promptly isolated dust particle and is made it " harmless " by distinguished and admirable thus.For example be coated on the real filtering material or filter cloth with the form of salt by anti-static material, the filtering material that scribbles anti-static material can be with present technology production.Guarantee distinguished and admirablely anti-static material and filtering material not to be separated at this, avoid or get rid of other measures that this water component clashes into for distinguished and admirable certain needs moist or that have a water droplet.Be filtered material constraint reliably at this dust particle, the foamed thin sheet that because according to an improvement project regulation, filtering material has a coating, that this coating constitutes is nonflammable, anlistatig, have micropore also is located at flow side (anstr mseitig).Especially the scheme that has micropore by film guarantees, air stream or distinguished and admirable flow through filtering material and derive purify air.
If coating is acrylic foam or PU foam and mixes with carbon black or graphite, can realize the scheme that has micropore of the foamed thin sheet optimized.
By in filtering material, adding carbon fiber, salt or special steel fiber, can realize the derivation ability of derivation ability and filtering material especially.The assembly that can make conduction thus links to each other with real filtering material reliably, thereby guarantees the antistatic behaviour of overall fabric.
Both made under extreme case, promptly not damaging the filtering material that filters self-rescuer when fire is the polyimides Nomex (Ploymid-Nadelfilz) with auxiliary fabric (St ü tzgewebe).Advantageously from (selbsttragend) of supporting, wherein this characteristic also can be by the additive support for this filtering material.Replenish regulations, the additional receiver that has from the characteristic of supporting of filtering material wherein can be supported from bearing characteristics by folding or similar measure for this reason.Advantageously produce fabric thus, this fabric can be frameless, and this fabric can be from pushing on the above-mentioned position with supporting, and to realize its function there, wherein the feature that also will mention by other back is improved its function.
Reinforce filtering material according to a following realization of improvement project by acceptor, being the filter element edge makes to have the filtering material that nonflammable content and PU spacer (Vergussmasse) constitute, and filtering material around or additional support head side and tail side or shaping filter element head and filter element tail.Advantageously produce the overall element of strengthening thus, this element can move on the operating position reliably, if but when being proved to be necessary when the single filter element of cleaning, also can change therefrom.The dedusting degree that particularly described foamed thin sheet with micropore also causes optimal level wherein easily realizes 0.1mg/cm with this filter element
3
If have the distinguished and admirable input housing of a large amount of moisture, the present invention's regulation, filter housings has a filter inlet that has an adpting flange, this inlet correspondingly is made of the coupling flange of preseparator to be attached troops to a unit, and this flange is equipped with the separator profile (Abschneiderprofile) that helps moulding fluidly and water droplet can be separated with aerosol thus.Therefore the present invention stipulates simplifiedly, and the distinguished and admirable utmost point early isolates the moisture part and not by heating, but distinguished and admirable by the separator profile is placed, the separator profile is by isolating water droplet and aerosol in distinguished and admirable.Certainly the part of dust is discharged with the deposit form, and this is not disadvantageous, but favourable, because the real deduster part in back is alleviated load thus.Water droplet or aerosol and corresponding fluid or deposit accumulate on the preseparator to be removed then.
Separate water droplets and aerosol can following especially realizations according to the present invention reliably, and the separator profile has with distinguished and admirable or contain the opposite nose outstanding and that produce a kind of pocket type of flow direction of the air of dust, and this separation profile is preset with the dividing plate with angle section.Simultaneously oversize dust particle is removed together by this dividing plate, the separator profile of back and filter element thereafter are protected simultaneously.Dividing plate with angle section divides with the collection unit of sediment pump and separator profile and links to each other, and the both is cleaned.
Owing to inevitably pollute, guarantee the continuous firing of dust filter unit or deduster, because be provided with the (operating) water nozzle of being furnished with a supply pipe and on distinguished and admirable flow direction, discharging before the angle section of separator profile and dividing plate.For example produce the machine of dust at interval development machine or other and regulate this (operating) water nozzle when static and make then, separator profile and dividing plate angle section are removed the dust that adheres to, and therefore are used for the work of back multiple functionally.
Explanation in addition, electric conductor should irrespectively be provided with around filtering material and with filter frame, regulation also in improvement project wherein, electric conductor is integrated in the edge of common supporting filter material and with filtering material and contacts, in distolateral coupling part with retaining element.Make thus; such electric conductor is placed the protection of filter frame; the organization plan of the filter frame by two-piece type or similar measure also fixing electric conductor together in fixing filtering material wherein; make electric conductor guarantee the derivation of electric charge; because have the coupling part of retaining element on electric conductor is distolateral, also just guaranteed electrical connection by filter frame.
The seal that uses must be airtight also flexible, to produce necessary sealing function.Different with the foregoing description, in this present invention's regulation, be provided with an air-locked seal between housing that is made of metallic plate or other conductive materials and filter element edge, the sealing part is connected with the conducting filtration material and self-conductive or scribble such elastomeric layer.Particularly the embodiment of rubber-like coating can realize.Guarantee necessary sealing function by elasticity, if when wherein particularly the size of gas tight seal spare is big, this solution is feasible especially and suitable.
Feature of the present invention is particularly in, the dust filter unit that a kind of filter element is provided or is made of corresponding filter element, and it can be operated in maybe being operated in this operating mode in the very important operating mode that gas danger is arranged of safety.The present invention so advantageous particularly, because a kind of deduster is provided, it both had been used in normal running conditions and also can be used for having in the operating mode of gas danger, but also can be used for some time period and have in the working environment of gas danger and then in normal running conditions work.Low as much as possible in this expense of implementing this scheme, because the structural form of filter element and whole dust filter unit remains unchanged.Only need to provide being connected between the housing that is made of metallic plate and the corresponding filter element, this can be perfect and carry out simply.Can realize the discharge of corresponding big or corresponding little filtering surface at this,, but guarantee the discharge on the plane because the electric conductor that uses is not the effect of pointwise ground.When fire, do not jeopardize the filtration self-rescuer that uses in underground mine or similar other zone even significantly improve the conducting filtration material of use simultaneously yet, promptly do not block the filter self-rescuer otherwise it can not effectively be worked by discharging fire residue and gas etc., the filter self-rescuer also can be effective under this extreme case, and can guide the wearer of filter self-rescuer to enter the safety zone thus.In addition advantageously, both made the problem that really takes place in dust filter unit, it seals, dangerous gas can not be overflowed thus or become therein harmless.Here the conducting filtration material helps to reduce danger or eliminate danger fully.At last advantageously, improve filter element self, make it be easy to assembling, because for example no longer need filter frame, or more easy to operate, because himself have required self-stiffness and improve its working method, thereby can realize good value by respective coatings.
Other details of theme of the present invention and advantage be explanation in the following drawings is described, and accompanying drawing is to describe preferred embodiment to this necessary details and single.
Side view of Fig. 1 with dust filter unit of filter element;
The cutaway view of the dust filter unit that Fig. 2 is shown in Figure 1 with a filter element;
The view that the single filter element of Fig. 3 combines with edge and housing;
Fig. 4 electric conductor detail drawing;
Fig. 5 is according to the side view of the preseparator that presets before the filter of Fig. 1;
The vertical view of Fig. 6 preseparator and part do not have covering.
Fig. 1 is the side view of a dust filter unit 1, and wherein this dust filter unit is assembled by a plurality of discrete components.This module units can place underground or also be suspended on runway or other members by top visible hook.The housing 2 of all these individual units is identical, and wherein filter inlet 3 has a coarse strainer 5 that is used for pre-dedusting, promptly here from flow through distinguished and admirable isolate thicker part.Flow direction is represented with 4.
Fig. 2 is the profile of housing 2, and housing has a filter element 10 that is arranged in wherein.This filter element 10 has one around edge 11, this edge fixed waveform cloth shape filtering material 12.Distinguished and admirable this filtering material 12 that flows through that contains dust, the distinguished and admirable housing 2 that leaves dust filter unit 1 then by clean gas passage 13.Can find out, at the edge 11 and case frame 14 in the middle of seal 15 is arranged.
Expression is amplified in this zone in Fig. 3, wherein visible edge 11 is around surrounding filter material 12 or represent the edge of this material.
And the join domain of case frame 14 between case frame and edge 11, seal 15 is housed, for example diameter is the elastic packing projection of circular or similar formation, it is used for one and is tightly connected when forcing together with case frame 14 and filtering material.Sealing part 15 prevents to make the electrostatic charging discharge and makes it harmless in cloth shape filtering material 12 zones.Fig. 3 illustrates, and is provided with an electric conductor 16 for deriving electric charge, electric conductor surrounding filter material 12, and link to each other with the retaining element 18,19 that constitutes by metal.Extremity piece 22,23 shown in Figure 4 for this reason is provided with a ring 24, and this ring set is on screw thread 20 and by fixing at this unshowned nut.This part of bolt head 21 and screw thread 20 or the retaining element 18,19 that is made of screw element is used for, and 11 inboard 17 is realized conducting electricity with the case frame 14 that is made of metal and is connected from the edge.
Fig. 4 illustrates, and this electric conductor 16 is around surrounding filter material 12, even and be used for when filtering material 12 parts are charged, also guarantee to derive veritably electric charge always.The embodiment of electric conductor 16 shown in Figure 4 is a copper cash 25.
Filtering material 12 shown in Figure 3 is a kind of suitable materials A TEX, even this material can the blocking filter self-rescuer when fire yet.This material at first or in the embodiment shown the anti-static material by applying a kind of salt form, by carbon fiber or special steel fiber 26,27 antistatic behaviour is arranged.Correspondingly Fig. 3 is a partial cross section, and special steel fiber 26,27 wherein only is shown.For avoiding containing this salt of distinguished and admirable dissolving of moisture or water droplet, housing shown in Figure 1 is predeterminable a preseparator 28, sees Fig. 5 and Fig. 6.This preseparator 28 or its housing have a coupling flange 29, and the adpting flange 6 of this coupling flange and housing 2 correspondingly forms, thereby realize assembling simply and dismantling.
Be provided with a dividing plate 33 that has angle section 34 before the separator profile 30, separate meal dirt or thick part in distinguished and admirable by this dividing plate, and equally by a collecting pipe with 30 identical the removing of separator profile with pump tube connector 40. Supply pipe 35,37 with (operating) water nozzle 36,38 is located at separator profile 30 and angle section 34 upstreams, wherein places (operating) water nozzle 36,38, it will be purified waste water on flow direction 4 spray into separator profile 30 or angle section 34, thereby realize purifying.This contains sedimentary water by collecting pipe 39 and 40 outputs of pump tube connector.
But the seal 15 shown in Fig. 3 is self-conductive also, introduces additional Reference numeral 45 for this reason.This outward flange 11 directly or by a connector 44 links to each other with case frame 14 or housing 2 as shown in Figure 3.Filter element head 41 and filter element afterbody 43 are made by plastic material according to Fig. 3, and this material makes that to insert single filter element 10 easier.Only illustrate in Fig. 3 a, a clock filtering material 12 also can be provided with one deck coating 42, for example is acrylic foam or PU froth bed, and it is nonflammable, antistatic, micropore is arranged and be easy to processing.This foam is that coating 42,42 ' is positioned on the corresponding filtering material 12, and the Reference numeral of one of them flow pass is 50, by the distinguished and admirable outflow of this flow pass purification.Realize high separation degree based on coating 42.Realize 0.1mg/cm
3
The acceptor of not shown reinforcing filtering material 12.Acceptor is used to reinforce whole filter element, thereby does not need filter frame, and provides self rigidity big element.Filter element head 41 and filter element afterbody 43 help this point.
Visible all described features constitute essence of the present invention separately and in combination from accompanying drawing.
Claims (18)
1, a kind of dust filter unit, it is used for having the operating mode of gas danger, be used in particular for underground mining or construct in the tunnel, this dust filter unit has a housing (2), wherein be provided with one or more absorption dust and flow through and contain the distinguished and admirable filter element of dust (10), filter element has and a kind ofly suppresses the filtering material (12) of dust and/or correspondingly constitute, and it is characterized in that
Be provided with an air-locked seal (15) between the edge (11) of housing (2) that is made of metallic plate or a kind of similar conductive material and filter element (10), filtering material (12) conducts electricity and links to each other with housing (2) by an electric conductor (16) on every side at seal (15).
2, dust filter unit according to claim 1, it is characterized in that, the retaining element (18,19) of the inboard (17) of filter element (10) by stretching out filter element (10) links to each other with housing (2) and electric conductor (16) is fixed on the housing conductively and be fixed on the filtering material (12).
According to each described dust filter unit in the aforementioned claim, it is characterized in that 3, electric conductor (16) is copper cash (25), filtering material (12) even when fire also blocking filter self-rescuer not.
According to each described dust filter unit in the aforementioned claim, it is characterized in that 4, electric conductor (16) surrounds waveform filtering material (12) and has the extremity piece (22,23) that extends to retaining element (18,19).
5, dust filter unit according to claim 4 is characterized in that, extremity piece (22,23) has the ring (24) around the screw thread (20) of retaining element (18,19), and this ring can move on screw thread.
According to each described dust filter unit in the aforementioned claim, it is characterized in that 6, electric conductor (16) conducts electricity on a plurality of positions with filtering material (12) and links to each other.
According to each described dust filter unit in the aforementioned claim, it is characterized in that 7, filtering material (12) is provided with the anti-static material layer and/or is soaked with anti-static material, the connection on the surface of filtering material (12) is lasting.
8, dust filter unit according to claim 7 is characterized in that, filtering material (12) has a coating (42), and this layer forms a kind of nonflammable, antistatic, foam film that micropore is arranged, and this film is located at flow side.
9, dust filter unit according to claim 8 is characterized in that, coating (42) is for acrylic foam or PU foam and be mixed with carbon black or graphite.
10, according to each described dust filter unit in the aforementioned claim, it is characterized in that, comprise carbon fiber, salt or special steel fiber (26,27) in the filtering material (12).
11, dust filter unit according to claim 3 is characterized in that, filtering material (12) is made of the polyimides Nomex with auxiliary fabric.
According to each described dust filter unit in the aforementioned claim, it is characterized in that 12, filtering material (12) is added with the acceptor that has from bearing characteristics, wherein can be by folding or similar measure support from bearing characteristics.
13, according to each described dust filter unit in the aforementioned claim, it is characterized in that, the edge (11) of filter element (10) uses the filtering material (12) that is made of PU spacer and nonflammable content to make, and filtering material (12) is around ground or additionally be supported in a side and tail side or be shaped a filter element head (41) and filter element afterbody constitute (43).
14, according to each described dust filter unit in the aforementioned claim, it is characterized in that, housing (2) has a filtration inlet (3) that has an adpting flange (6), this filtration inlet constitutes accordingly with the coupling flange (29) of a preseparator to be attached troops to a unit (28), the coupling flange is equipped with the separator profile (30) that advantageously is shaped to flowing, and thus can separate water droplets and aerosol.
15, according to each described dust filter unit in the aforementioned claim, it is characterized in that, separator profile (30) has with distinguished and admirable or to contain the air-flow direction (4) of dust opposite that stretch out and constitute a kind of nose (31) of bag (32) formula, and this separator profile provided upstream has the have angle section dividing plate (33) of (34).
16, according to each described dust filter unit in the aforementioned claim, it is characterized in that, the (operating) water nozzle (36,38) that points to air-flow direction (4) is located at the upstream of the angle section (34) of separator profile (30) and dividing plate (33), and (operating) water nozzle is furnished with a supply pipe (35,37).
17, according to each described dust filter unit in the aforementioned claim, it is characterized in that, electric conductor (16) contact filtration material (12) also is integrated on the edge (11) of supporting filter material (12) together, and at distolateral connector (44) with the element of being used for fixing (18,19).
18, a kind of dust filter unit, it is used for having the operating mode of gas danger, be used in particular for underground mining or construct in the tunnel, this dust filter unit has a housing (2), wherein be provided with one or more absorption dust and flow through and contain dust air stream or distinguished and admirable filter element (10), filter element has and a kind ofly suppresses the filtering material (12) of dust and/or correspondingly constitute, and it is characterized in that
Be provided with an air-locked seal (45) between the edge (11) of housing (2) that is made of metallic plate or other conductive material and filter element (10), seal links to each other with conducting filtration material (12) and self-conductive or be provided with a kind of layer of such elastomeric material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10303798 | 2003-01-31 | ||
| DE10303798.5 | 2003-01-31 | ||
| DE10357684.3 | 2003-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1744937A true CN1744937A (en) | 2006-03-08 |
| CN100337720C CN100337720C (en) | 2007-09-19 |
Family
ID=32695085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200380109379XA Expired - Fee Related CN100337720C (en) | 2003-01-31 | 2003-12-24 | Dust filter for using in operations endangered by gases |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN100337720C (en) |
| DE (1) | DE10357684A1 (en) |
| EA (1) | EA007278B1 (en) |
| ES (1) | ES2302975T3 (en) |
| ZA (1) | ZA200504537B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10303626B4 (en) * | 2003-01-30 | 2015-08-20 | Cft Gmbh Compact Filter Technic | Tunneling dust filter with pre-separator |
| DE102008027210B4 (en) * | 2008-06-06 | 2016-06-02 | Cft Gmbh Compact Filter Technic | Dry dust extractor with sound insulation and electrostatic protection |
| DE102018101648A1 (en) | 2018-01-25 | 2019-07-25 | Cft Gmbh Compact Filter Technic | Process for the purification of pollutants, in particular air containing NOx |
| DE102019100777A1 (en) | 2019-01-14 | 2020-07-16 | Cft Gmbh Compact Filter Technic | Interchangeable cassette for large dry filter dedusters |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259190A (en) * | 1991-08-01 | 1993-11-09 | Corning Incorporated | Heated cellular structures |
| US5868807A (en) * | 1995-12-29 | 1999-02-09 | Glatt Gmbh | Apparatus for removing dust from gas and for cleaning at least one filter of the apparatus |
-
2003
- 2003-12-10 DE DE10357684A patent/DE10357684A1/en not_active Withdrawn
- 2003-12-24 ES ES03799446T patent/ES2302975T3/en not_active Expired - Lifetime
- 2003-12-24 EA EA200501189A patent/EA007278B1/en not_active IP Right Cessation
- 2003-12-24 CN CNB200380109379XA patent/CN100337720C/en not_active Expired - Fee Related
-
2005
- 2005-06-02 ZA ZA200504537A patent/ZA200504537B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200504537B (en) | 2006-05-31 |
| EA200501189A1 (en) | 2006-02-24 |
| EA007278B1 (en) | 2006-08-25 |
| CN100337720C (en) | 2007-09-19 |
| DE10357684A1 (en) | 2004-08-12 |
| ES2302975T3 (en) | 2008-08-01 |
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