DK143971B - DEVICE FOR FIXING AND CONTROL OF COMPACT FILTER CELLS - Google Patents
DEVICE FOR FIXING AND CONTROL OF COMPACT FILTER CELLS Download PDFInfo
- Publication number
- DK143971B DK143971B DK281472AA DK281474A DK143971B DK 143971 B DK143971 B DK 143971B DK 281472A A DK281472A A DK 281472AA DK 281474 A DK281474 A DK 281474A DK 143971 B DK143971 B DK 143971B
- Authority
- DK
- Denmark
- Prior art keywords
- channels
- frame
- rows
- cassette
- cross
- Prior art date
Links
Classifications
-
- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
- B01D46/0002—Casings; Housings; Frame constructions
-
- 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
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
- B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Motor Or Generator Current Collectors (AREA)
Description
(19) DANMARK(19) DENMARK
(iw(in W
®| ny FREMLÆGGELSESSKRIFT od 143971 B® | new PUBLICATION NOTICE 143971 B
DIREKTORATET FOR PATENT- OG VAREMÆRKEVÆSENETDIRECTORATE OF THE PATENT AND TRADEMARKET SYSTEM
(21) Ansøgning nr. 2814/74 (51) fnt.CI.3 BOID 46/02 (22) Indleveringsdag 22. maj 1974 (24) Løbedag 22. maj 1974 (41) Aim. tilgængelig 7. dec. 1974 (44) Fremlagt 9· nov. 1981 (86) International ansøgning nr. " (86) International indleveringsdag “ (85) Videreførelsesdag ” (62) Stamansøgning nr. “(21) Application No. 2814/74 (51) fnt.CI.3 BOID 46/02 (22) Filing date 22 May 1974 (24) Running day 22 May 1974 (41) Aim. available Dec. 7; 1974 (44) Posted 9 Nov. 1981 (86) International Application No. "(86) International Filing Day" (85) Continuation Day "(62) Master Application No."
(30) Prioritet 6. jun. 1975# 7307986, SE(30) Priority Jun 6 1975 # 7307986, SE
(71) Ansøger AB BAHCO VENTILATION, S-199 01 Enkoeping, SE.(71) Applicant AB BAHCO VENTILATION, S-199 01 Enkoeping, SE.
(72) Opfinder Karl-Axel Goeran Gustavsson, SE: Holger Alexis(72) Inventor Karl-Axel Goeran Gustavsson, SE: Holger Alexis
Persson, SE.Persson, SE.
(74) Fuldmægtig Firmaet Chas. Hude, (54) Anordning til fastsætning og sty= ring af kompaktfilterceller.(74) Associate Company Chas. Skin, (54) Device for fixing and controlling compact filter cells.
Opfindelsen angår en anordning til fastsætning og styring af sådanne kompaktfilterceller, som består af en tekstilbane, der er lagt i et antal dybe, tværgående folder og er forsynede med langsgående sømme ved hver fold, således at hver fold indeslutter en række med et bestemt antal parallelle, ens kanaler til rengas, hvilke kanaler er åbne i én og samme ende og lukkede ved den modsatte ende (i bunden af folden) og hver er forsynet med et tværsnitsdannende organ, som bibringer kanalen et kvadratisk tværsnit, hvis ene diagonal falder 00 sammen med kanalrækkens retning, og således at de to hjørner ved den anden diagonal ligger an mod tilsvarende hjørner i kanaler i CD tilstødende kanalrækker, og hver række af rengaskanaler omgives afThe invention relates to a device for fixing and controlling such compact filter cells, which consists of a textile web laid in a plurality of deep, transverse folds and provided with longitudinal seams at each fold, so that each fold encloses a row with a certain number of parallel , one channel for clean gas, which channels are open at one and the same end and closed at the opposite end (at the bottom of the fold) and each is provided with a cross-sectional means which provides the channel with a square cross-section whose one diagonal coincides 00 with channel direction, and so that the two corners at the other diagonal abut corresponding corners in channels in CD adjacent channel rows, and each row of cleaning channels is surrounded by
COCO
_-j- mellem folderne dannede rækker af parallelle rågaskanaler af samme kvadratiske tværsnit, hvilke kanaler er åbne ved én og samme, men i forhold til rengaskanalerne modsat ende og er lukkede ved deres mod-Ω 2 143971 satte ende, i en øvre ramme, som udgør en del af en retvinklet, pa-rallepipedisk filterkassette, hvilken ramme er beregnet til ved hjælp af en mellemliggende pakning at kunne bringes til tætnende anlæg mod en tilslutningsramme i et, hensigtsmæssig for flere kassetter fælles, filterhus, hvorhos kassetten foruden med den øvre ramme er udført med en tilsvarende nedre ramme samt med rammedele, der forbinder de to rammer i hjørnerne.between the folds, rows of parallel raw gas channels of the same square cross-section are formed, which channels are open at one and the same but relative to the opposite end of the cleaning channels and are closed at their opposite end at an upper frame, forming part of a rectangular, parallelepipedic filter cartridge, which frame is intended to be brought by means of an intermediate packing to sealing systems against a connection frame in a common, housing suitable for several cassettes, the cassette in addition to the upper frame is made with a corresponding lower frame as well as with frame parts connecting the two frames in the corners.
Problemet med en sådan filtercelle har frem for alt været, at indfæst-ningen eller fastsætningen af filtercellens kantbånd ved den øvre rammedel ikke har været hel tæt ved de store trykfald, der er tale om ved disse filterceller, fordi kantbåndene er rynkede, og rynkerne giver anledning til lækage og endvidere, fordi rækkerne af rengas-kanaler har haft tilbøjelighed til at forskyde sig i forhold til hinanden, således at de mellem disse liggende rågaskanaler er blevet ulige store og ubalance derved er opstået i filtercellen.Above all, the problem with such a filter cell has been that the attachment or fixing of the edge of the filter cell to the upper frame portion has not been very close to the large pressure drops associated with these filter cells because the edge bands are wrinkled and the wrinkles provide cause of leakage and furthermore, because the rows of purge gas ducts have tended to shift relative to each other, so that the intervening raw gas ducts have become unequally large and imbalance has thereby arisen in the filter cell.
Disse ulemper er nu elimineret ved hjælp af anordningen ifølge opfindelsen, der er ejendommelig ved, at den øvre ramme er udført af et opad åbent U-profil hensigtsmæssigt med noget konvergerende flanger, hvis kantpartier er ombukket indad over en vinkel på omtrent 180° og er forsynet med et antal tværgående bærestag med afrundede overkanter, hvilke bærestag er fast forbundne med rammen i stillinger, som er overens med centralplaner i rågaskanalrækker, at den nedre ramme er udført med i rågaskanalernes centralplan forlagte tværgående afstandsstag, der tilsammen med rengaskanalernes tværsnitsdannende organer fixerer kanalerne i sideretningen, og at kompakt-filtercellen ved den side, hvor rengaskanalerne er åbne langs samtlige sidekanter er forsynet med en så bred foldekant, at den foldes ind i og formes langs i det mindste den indre flange og bunden af den øvre kassetterammes U-profil og tilbageholdes i denne af en derefter nedpresset tætningsliste af eftergiveligt materiale med rektangulært eller afstumpet trekantformet tværsnitsprofil og større højde end flangerne, hvilken tætningsliste, når filterkassetten ad mekanisk vej bringes til at slutte mod filterhusets tilslutningsramme, dels tilvejebringer tætning såvel mellem kassetten og filterhuset som mellem filtercellen og kassetterammen og dels forøger de kræfter, som fastholder foldningskanterne i U-profilet, således at disse bliver tilstrækkelige også under driftsforhold.These disadvantages are now eliminated by the device according to the invention, characterized in that the upper frame is made of an upwardly open U-profile suitably with some converging flanges, the edge portions of which are folded inwards over an angle of about 180 ° and are provided with a plurality of transverse support bars with rounded upper edges, which supports are fixedly connected to the frame in positions which correspond to central plans in raw gas channel rows, that the lower frame is formed with transverse spacer bars located in the central plane of the raw gas channels, which together with the cross channels forming channels of the cleaning channels fix. in the lateral direction, and that the compact filter cell at the side where the cleaning channels are open along all the side edges is provided with a wide folding edge so that it is folded into and formed along at least the inner flange and the bottom of the upper cassette frame U-profile. and is retained therein by a then compressed sealing strip of resilient material with rectangu learned or blunt triangular cross-sectional profile and greater height than the flanges, which sealing strip, when the cartridge is mechanically brought into contact with the filter housing connection frame, provides sealing both between the cartridge and the filter housing as well as between the filter cell and the cartridge frame, and partly increases the forces holding the folds The U-profile so that these become sufficient even under operating conditions.
, 143971 3, 143971 3
Ved at overrammen og underrammen er forsynede med bærestag henholds-vis afstandsstag og disse ved indmonteringen af et kompaktfilter af foldebåndstypen vil blive placeret på begge sider af hver rengaska-nalrække i filteret kan rengaskanalrækkerne ikke forskydes mod hverandre og forstyrre billedet af kvadratiske rengaskanaler og disse omgivende kvadratiske rågaskanaler eller med andre ord balancen i kompaktfilteret. Desuden har bærestagene den opgave at optage den store trykbelastning på filtercellen, som optræder ved udløbsenden af filtercellen, d.v.s. ved den øvre ramme, under renblæsning af denne.By providing the support frame and the subframe with support bars and spacer bars respectively, and when installing a folding filter of the folding tape type, they will be placed on both sides of each clean canister row in the filter, the canister rows cannot be displaced against one another and distort the image of square clean canals and these surrounding square raw gas ducts or in other words the balance of the compact filter. In addition, the support bars have the task of absorbing the large pressure load on the filter cell which occurs at the outlet end of the filter cell, i.e. at the upper frame, while blowing it.
Opfindelsen forklares nærmere i det følgende i forbindelse med tegningen, hvor fig. 1 i perspektiv viser en kassetteramme ifølge opfindelsen med indmonteret kompaktfilter af foldebåndstypen, fig. 2 et delbillede af overrammen i fig. 1 vist gennemskåret, fig. 3 et delbillede af et bærestags fastsætning i overrammen, og fig. 4 et delbillede af et hjørne af kassetterammen i fig. 1 set nedefra.The invention will be further explained in the following with reference to the drawing, in which fig. Fig. 1 is a perspective view of a cassette frame according to the invention with a folding-type compact filter fitted; 2 is a partial view of the upper frame of FIG. 1 is a sectional view, FIG. 3 is a partial view of the support frame fastening in the upper frame, and FIG. 4 is a partial view of a corner of the cassette frame of FIG. 1 seen from below.
Den i fig. 1 viste kassetteramme består af en rektangulær overramme 1 og en rektangulær lige så stor underramme 2. Hjørnerne af rammerne er forbundne ved hjælp af lige lange, retliniede stænger 3 vinkelret på rammerne.The FIG. 1 cassette frame consists of a rectangular top frame 1 and a rectangular equally large subframe 2. The corners of the frames are connected by means of equally long, straight bars 3 perpendicular to the frames.
I overrammen er indfæstet et kompaktfilter af foldebåndstypen 4 på en måde, som fremgår nærmere af fig. 2. Kompaktfilteret er forsynet med indsatser 5, som giver kanalerne i filteret kvadratiske tværsnit.In the upper frame is mounted a compact filter of the folding tape type 4 in a manner which is further shown in FIG. 2. The compact filter is provided with inserts 5 which provide the channels in the filter with square cross sections.
Overrammen er også mellem to modstående sider forsynet med et antal parallelle bærestag 6 til bæring af holderne i kompaktfilteret. Hensigtsmæssigt er et bærestag anbragt for hver fold og udformet som en pladestrimmel med over 180° ombukket kantdele til afstivning af strimmelen, således som det nærmere fremgår af fig. 3· Bærestagene er fortrinsvis svejsede til overrammen.The upper frame is also provided between two opposite sides with a plurality of parallel support bars 6 for supporting the holders in the compact filter. Conveniently, a carrier rod is arranged for each fold and is formed as a sheet strip with over 180 ° bent edge portions for stiffening the strip, as will be more apparent from FIG. 3 · The support bars are preferably welded to the upper frame.
4 143971 I underrammen er der mellem to modstående sider indfæstet et antal retliniede, indbyrdes og med bærestagene parallelle afstandsstag 7 på en måde, som fremgår nærmere af fig. 4.In the subframe, a plurality of straight lines, spaced apart and parallel to the support bars 7, are inserted between two opposite sides in a manner which is further shown in FIG. 4th
I fig. 2 er overrammen 1 vist som en i U-form bukket skinne af plade, hvori kompaktfilteret 4’s kantbånd 8 er indført, således at det strækker sig over så godt som hele bunden af skinnens spor 9* Båndet holdes fast i denne stilling og presses mod såvel bunden som den ene flange af skinnen ved hjælp af en tætningsliste 10 af elastisk materiale, hensigtsmæssigt svampegummi eller lignende. Selv om båndet ikke kan indføres uden en mængde rynker, opnås på denne måde en fuld tilfredsstillende tætning. Det er herved hensigtsmæssigt at udforme flangerne i overrammen, således at de konvergerer noget udad, således som vist i fig. 2.In FIG. 2, the upper frame 1 is shown as a U-shaped curved rail in which the edge band 8 of the compact filter 4 is inserted, so that it extends over almost the entire bottom of the track groove 9 * The belt is held in this position and pressed against both the bottom as one flange of the rail by means of a sealing strip 10 of elastic material, suitably sponge rubber or the like. Although the tape cannot be inserted without a plurality of wrinkles, in this way a fully satisfactory seal is obtained. It is thereby convenient to design the flanges in the upper frame so that they converge somewhat outwards, as shown in FIG. 2nd
I fig. 4 er vist et hjørne af kassetterammen i fig. 1 nedefra for at illustrere, hvorledes et afstandsstag 7 er ført gennem et hul 11 i underrammen 2 og holder rækkerne af rengaskanaler 12 sammen, således at de mellemliggende rågaskanaler 13 beholder deres kvadratiske tværsnit. Afstandsstaget 7 er fastgjort til underrammen 2, ved at dets ende er ombukket. Naturligvis kan fastsætningen også ske på anden måde, såsom ved svejsning.In FIG. 4 is a corner of the cassette frame of FIG. 1 from below to illustrate how a spacer 7 is passed through a hole 11 in the subframe 2 and holds the rows of clean gas ducts 12 together so that the intermediate raw gas ducts 13 retain their square cross-section. The spacer 7 is attached to the subframe 2 by its end being bent. Of course, the fixing can also be done by other means, such as by welding.
Den foretrukne udførelsesform for overrammen er beskrevet ovenfor og med hensyn til underrammen kan den som vist i fig. 1 og 4 hensigtsmæssigt bestå af U-profilerede stænger, medens de stænger, som forbinder rammerne, hensigtsmæssigt udføres af L-profilerede stænger, til hvilke over- og underrammen er fastsvejst.The preferred embodiment of the upper frame is described above and with respect to the lower frame, as shown in FIG. 1 and 4 are suitably composed of U-profiled rods, while the rods connecting the frames are suitably made of L-profiled rods to which the upper and lower frame are welded.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7307986 | 1973-06-06 | ||
SE7307986A SE373294B (en) | 1973-06-06 | 1973-06-06 | DEVICE FOR FIXING AND CONTROLLING COMPACT FILTER CELLS |
Publications (3)
Publication Number | Publication Date |
---|---|
DK281474A DK281474A (en) | 1975-01-20 |
DK143971B true DK143971B (en) | 1981-11-09 |
DK143971C DK143971C (en) | 1982-05-24 |
Family
ID=20317690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK281474A DK143971C (en) | 1973-06-06 | 1974-05-22 | DEVICE FOR FIXING AND CONTROL OF COMPACT FILTER CELLS |
Country Status (8)
Country | Link |
---|---|
US (1) | US3880628A (en) |
JP (1) | JPS50100671A (en) |
DE (1) | DE2424339C2 (en) |
DK (1) | DK143971C (en) |
FI (1) | FI55120C (en) |
FR (1) | FR2232351B1 (en) |
NO (1) | NO133015C (en) |
SE (1) | SE373294B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2318669A1 (en) * | 1975-07-25 | 1977-02-18 | Air Ind | PERFECTED FILTER POCKET FOR FILTRATION DEVICE |
GB1582662A (en) * | 1976-08-31 | 1981-01-14 | Svenska Flaektfabriken Ab | Filter for a dust separator |
SE401103B (en) * | 1976-08-31 | 1978-04-24 | Svenska Flaektfabriken Ab | DEVICE FOR FIXING A COMPACT FILTER IN A CASSETTE FRAME |
FR2396582A1 (en) * | 1977-07-05 | 1979-02-02 | Air Ind | FILTER BLOCK |
US4473471A (en) * | 1982-09-13 | 1984-09-25 | Purolator Inc. | Filter sealing gasket with reinforcement ring |
US20090293464A1 (en) * | 2008-05-30 | 2009-12-03 | Caterpillar Inc. | Assembly and method of assembly for exhaust treatment |
CN105013258A (en) * | 2015-07-10 | 2015-11-04 | 安徽省农业科学院畜牧兽医研究所 | Exhaust gas filtering device for caged-chicken coop |
DE112019005975T5 (en) * | 2018-11-29 | 2021-08-19 | Cummins Filtration Ip, Inc. | IMPROVED LAYERED FILTER FRAME |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1049789A (en) * | 1911-05-29 | 1913-01-07 | Allis Chalmers | Filter. |
US2980208A (en) * | 1957-05-21 | 1961-04-18 | Delbag Luftfilter Gmbh | Filter element for extremely fine dust |
FR1352676A (en) * | 1962-05-09 | 1964-02-14 | Euresis Ets | Cassette for inserting air filter sheets |
US3479803A (en) * | 1967-01-23 | 1969-11-25 | American Air Filter Co | Pocket-type filter |
-
1973
- 1973-06-06 SE SE7307986A patent/SE373294B/en unknown
-
1974
- 1974-05-18 DE DE2424339A patent/DE2424339C2/en not_active Expired
- 1974-05-22 DK DK281474A patent/DK143971C/en not_active IP Right Cessation
- 1974-05-31 NO NO741974A patent/NO133015C/no unknown
- 1974-05-31 US US474963A patent/US3880628A/en not_active Expired - Lifetime
- 1974-06-05 FR FR7419391A patent/FR2232351B1/fr not_active Expired
- 1974-06-05 FI FI1728/74A patent/FI55120C/en active
- 1974-06-06 JP JP49064532A patent/JPS50100671A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NO133015C (en) | 1976-02-25 |
FR2232351B1 (en) | 1978-01-13 |
FI172874A (en) | 1974-12-07 |
FI55120C (en) | 1979-06-11 |
US3880628A (en) | 1975-04-29 |
DE2424339C2 (en) | 1984-11-15 |
NO133015B (en) | 1975-11-17 |
FR2232351A1 (en) | 1975-01-03 |
SE7307986L (en) | 1974-12-09 |
SE373294B (en) | 1975-02-03 |
DK143971C (en) | 1982-05-24 |
JPS50100671A (en) | 1975-08-09 |
DE2424339A1 (en) | 1975-01-02 |
DK281474A (en) | 1975-01-20 |
FI55120B (en) | 1979-02-28 |
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PBP | Patent lapsed |