DE2623466A1 - FILLING MATERIAL FOR WET DUST DUST SYSTEMS - Google Patents
FILLING MATERIAL FOR WET DUST DUST SYSTEMSInfo
- Publication number
- DE2623466A1 DE2623466A1 DE19762623466 DE2623466A DE2623466A1 DE 2623466 A1 DE2623466 A1 DE 2623466A1 DE 19762623466 DE19762623466 DE 19762623466 DE 2623466 A DE2623466 A DE 2623466A DE 2623466 A1 DE2623466 A1 DE 2623466A1
- Authority
- DE
- Germany
- Prior art keywords
- dust
- systems
- water
- filling material
- wet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims description 9
- 239000000428 dust Substances 0.000 title description 9
- 239000008187 granular material Substances 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000011494 foam glass Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/02—Loose filtering material, e.g. loose fibres
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Separation Of Particles Using Liquids (AREA)
Description
WASAGCHEMIE λ München, den 25»Mai 1976WASAGCHEMIE λ Munich, May 25th, 1976
Gesellschaft m.b.H. Fall 990 2623466Society m.b.H. Case 990 2623466
Füllmaterial für NaßentstaubungsanlagenFilling material for wet dedusting systems
Die Erfindung betrifft ein Füllmaterial für Naßentstaubungsanlagen von Gasen, insbesondere Abluft, aus formbeständigen, runden oder ellipsoidförmigen, geblähten oder verschäumten Füllkörpern.The invention relates to a filling material for wet dedusting systems of gases, especially exhaust air, from dimensionally stable, round or ellipsoidal, expanded or foamed Random packing.
Die Reinigung von Gasen, insbesondere Abluft, von mitgeführten Stäuben ist zu einem steten Problem geworden. Zahlreiche Verfahren wurden entwickelt, um in Trockenreinigungsanlagen wie Zyklonen oder mit Luftfiltern oder elektrostatisch Staub aus Luft abzuscheiden. Eine völlige Reinigung gelingt bei all diesen Verfahren nicht. Wesentlich besser arbeiten Naßentstaubungsanlagen, bei denen die staubbeladenen Abgase durch wasserbesprühte Filterbette aus Kugeln anorganischen oder organischen Materials geführt werden. Diese verstopfen jedoch leicht; daher müssen sie, wie DT-PS 820 132 oder DT-PS 846 093 beschreiben, durch stetige oder zeitweilige Umwälzung gereinigt werden. Diese Verfahrensschritte bedingen aufwendige Konstruktionen. Eine mechanische Abnutzung der Kugeln läßt sich dabei nicht vermeiden.The cleaning of gases, especially exhaust air, from dust carried along has become a constant problem. Numerous procedures were designed to be used in dry cleaning systems such as cyclones or with air filters or electrostatic dust off Separate air. Complete cleaning is not possible with any of these processes. Wet dedusting systems work much better, in which the dust-laden exhaust gases pass through water-sprayed filter beds made of inorganic or organic spheres Materials are managed. However, these clog easily; therefore they have to describe, like DT-PS 820 132 or DT-PS 846 093, be cleaned by constant or temporary circulation. These process steps require complex constructions. Mechanical wear and tear on the balls cannot be avoided.
Die Erfindung hat daher die Aufgabe, Naßfiltrationsanlagen mit einem ruhenden Filterbett vor dem Verstopfen zu bewahren.The invention therefore has the task of having wet filtration systems to keep a resting filter bed from clogging.
Überraschenderweise wurde gefunden, daß man diese Aufgabe mit einer sich selbst reinigenden Filterfüllung lösen kann. Erfindungsgemäß bestehen die Füllkörper aus wasserdurchlässigen Granulaten einer Körnung von 4 bis 20 mm Durchmesser, vorzugsweise 6 bis 15 mm, einer Korndichte von 0,1 bis 0,8 g/cnr und einer Saugfähigkeit für Wasser von mehr als 10 Vol-%.It has surprisingly been found that this problem can be solved with a self-cleaning filter filling. According to the invention the fillers consist of water-permeable granules with a grain size of 4 to 20 mm in diameter, preferably 6 to 15 mm, a grain density of 0.1 to 0.8 g / cnr and an absorbency for water of more than 10% by volume.
709949/0268709949/0268
Nach einer besonderen Ausführungsform bestehen die Füllkörper aus Schaumglas- oder Schaumkeramikgranulaten. Diese sind wegen ihrer hohen chemischen Beständigkeit gegenüber aggressiven Gasen vorzüglich geeignet.According to a particular embodiment, the fillers exist made of foam glass or foam ceramic granules. These are opposed to because of their high chemical resistance particularly suitable for aggressive gases.
Neben Füllkörpern aus den genannten Granulaten kommen auch solche aus Blähton oder zur angegebenen Korngröße granulierte und gesinterte Polymerisate und Polykondensate wie PVC, Polyamid, Fluorkohlenwasserstoffe, ferner verschäumte Duroplaste wie Phenolharzschaumgranulat in Betracht, soweit sie formbeständig, wasserfest und wasserdurchlässig sind und nicht quellen. Oberflächlich können die Granulate rauh oder glatt sein.In addition to packings made from the granules mentioned, there are also those made from expanded clay or granulated to the specified grain size and sintered polymers and polycondensates such as PVC, polyamide, fluorocarbons and foamed thermosets such as phenolic resin foam granules, as long as they are dimensionally stable, waterproof and water-permeable and not swell. On the surface, the granules can be rough or smooth.
Die keineswegs vorhersehbare Selbstreinigung der Granulate im ruhenden Filterbett wird durch das das Filterkorn durchdringende Wasser gewährleistet. Am Filterkorn ansetzender Staub wird von dem aus dem Filterkom ausfließenden Wasser weggeschwemmt und gelangt über ein am Boden der Naßfiltrationsanlage vorhandenesWasserschloß in ein Schmutzwasserabsetzbecken. The in no way predictable self-cleaning of the granules in the stationary filter bed is caused by the penetration of the filter granules Water guaranteed. Dust that adheres to the filter grain is absorbed by the water flowing out of the filter grain washed away and passed through a water lock at the bottom of the wet filtration system into a waste water settling basin.
Als weitere Vorteile des erfindungsgemäßen Füllmaterials seien genannt:Further advantages of the filler material according to the invention may be mentioned:
(1) Geringes Gewicht des Filterbettes; daher sind billige und leichte Konstruktionen möglich.(1) Low weight of the filter bed; therefore cheap and light constructions are possible.
(2) Das saugfähige Granulat behält seine Feuchtigkeit über Tage und Wochen und erlaubt es, Staubreste im Filterbett auch nach längeren Stillstandszeiten wieder abzuspülen. (2) The absorbent granulate retains its moisture for days and weeks and allows dust residues in the Rinse the filter bed again even after long periods of inactivity.
(3) Der Wasserbedarf im Filterbett ist -relativ gering. (3) The water requirement in the filter bed is relatively low.
Die Konstruktionen zur Aufnahme des Filtermaterials in einem ruhenden Filterbett sind bekannt und nicht Gegenstand derThe constructions for receiving the filter material in a stationary filter bed are known and not the subject of the
709849/0268709849/0268
Erfindung. Es ist jedoch ratsam, Konstruktionen zu verwenden, in denen Gleichstrom- und Gegenstromprinzip von Luft und Wasser kombiniert sind. Der Naßfiltration von Staub aus Abluft kann auch eine Trockenabscheidung, z.B. ein Zyklon, vorgeschaltet sein. Ein der Staubreinigung nachgeschaltetes Sauggebläse arbeitet im allgemeinen günstiger als ein Preßgebläse. Filterbett und Filterstrecke sollen im Durchmesser und Strömungsweg so dimensioniert sein, daß der Widerstand fü- Luft nicht wesentlich ansteigt.Invention. However, it is advisable to use constructions in which the co-current and counter-current principle of air and Water are combined. The wet filtration of dust from exhaust air can also be preceded by a dry separation, e.g. a cyclone be. A suction fan following the dust cleaning generally works more favorably than a press fan. The diameter and flow path of the filter bed and filter section should be dimensioned in such a way that the resistance for air does not increase significantly.
Bei einer technisch gut durchgebildeten Filterkonstruktion ist mittels des erfindungsgemäßen Füllmaterials für Naßfiltrationsanlagen eine asymptotische Annäherung an eine 100%ige Reinigung der Abluft und Gase von Stäuben zu erreichen.In the case of a technically well-developed filter construction, the filler material according to the invention is used for wet filtration systems an asymptotic approximation to a 100% To achieve cleaning of exhaust air and gases from dust.
709849/0268709849/0268
Claims (2)
dadurch gekennzeichnet, daß die Füllkörper aus Schaumglas- oder Schaumkeraraikgranulaten bestehen.2. filler material according to claim 1,
characterized in that the fillers consist of foam glass or foam ceramic granules.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762623466 DE2623466A1 (en) | 1976-05-25 | 1976-05-25 | FILLING MATERIAL FOR WET DUST DUST SYSTEMS |
| GB1220377A GB1510454A (en) | 1976-05-25 | 1977-03-23 | Dust scrubbing |
| NL7703460A NL7703460A (en) | 1976-05-25 | 1977-03-30 | FILLING MATERIAL FOR DUST-FREE DEVICE DEVICES FOR WET ROAD DEVICES. |
| BE177851A BE854975A (en) | 1976-05-25 | 1977-05-24 | LINING MATERIAL FOR WET DEDUSTING PLANTS |
| FR7715906A FR2352576A1 (en) | 1976-05-25 | 1977-05-25 | LINING MATERIAL FOR WET DEDUSTING PLANTS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762623466 DE2623466A1 (en) | 1976-05-25 | 1976-05-25 | FILLING MATERIAL FOR WET DUST DUST SYSTEMS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2623466A1 true DE2623466A1 (en) | 1977-12-08 |
Family
ID=5978980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762623466 Pending DE2623466A1 (en) | 1976-05-25 | 1976-05-25 | FILLING MATERIAL FOR WET DUST DUST SYSTEMS |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE854975A (en) |
| DE (1) | DE2623466A1 (en) |
| FR (1) | FR2352576A1 (en) |
| GB (1) | GB1510454A (en) |
| NL (1) | NL7703460A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT392908B (en) * | 1988-09-20 | 1991-07-10 | Ploetzeneder Anton | Granular filter insert |
-
1976
- 1976-05-25 DE DE19762623466 patent/DE2623466A1/en active Pending
-
1977
- 1977-03-23 GB GB1220377A patent/GB1510454A/en not_active Expired
- 1977-03-30 NL NL7703460A patent/NL7703460A/en not_active Application Discontinuation
- 1977-05-24 BE BE177851A patent/BE854975A/en unknown
- 1977-05-25 FR FR7715906A patent/FR2352576A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT392908B (en) * | 1988-09-20 | 1991-07-10 | Ploetzeneder Anton | Granular filter insert |
Also Published As
| Publication number | Publication date |
|---|---|
| BE854975A (en) | 1977-11-24 |
| FR2352576A1 (en) | 1977-12-23 |
| GB1510454A (en) | 1978-05-10 |
| NL7703460A (en) | 1977-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |