DE456676C - Gas and air filters with glass threads as filter material - Google Patents
Gas and air filters with glass threads as filter materialInfo
- Publication number
- DE456676C DE456676C DEM91105D DEM0091105D DE456676C DE 456676 C DE456676 C DE 456676C DE M91105 D DEM91105 D DE M91105D DE M0091105 D DEM0091105 D DE M0091105D DE 456676 C DE456676 C DE 456676C
- Authority
- DE
- Germany
- Prior art keywords
- glass threads
- threads
- filter material
- gas
- air
- 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.)
- Expired
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
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Description
Gas- und Luftfilter mit Glasfäden als Filterstoff.Gas and air filters with glass threads as filter material.
Die Erfindung betrifft eine Verbesserung an Gas- und Luftfiltern, bei welchen Glasfäden als Filterstoff verwendet werden, und besteht darin, daß zu einem Kissen durch Steppnähte vereinigte gesponnene Glasfäden als Filterstoff benutzt werden. The invention relates to an improvement in gas and air filters, in which glass threads are used as filter material, and consists in that too Spun glass threads joined by stitching on a cushion are used as filter material will.
Die Verwendung von Glasfäden in Form von Glaswolle als Filterstoff wurde nach den bisherigen Vorschlägen dadurch erschwert, daß sie in den meisten Fällen nur in schüttfähigem Zustande brauchbar war. In diesem Zustande aber setzt sie der Luft einen vernältnismäßig großen Widerstand entgegen, weil ein Zusammenpressen der feinen Nadeln erforderlich ist, und das Maß der Zusammenpressung nicht an allen Stellen gleich ist, so daß Stellen größeren und geringeren Widerstandes entstehen. Hierzu kommt noch, daß an den Stellen größten Widerstandes, wo der Luftstrom einen größeren Druck hat, Teilchen von den Nadeln mitgerissen werden und in den reinen Luftraum gelangen. Diese Nachteile können vermieden werden, wenn man Glaswolle als unzerteilte Fäden verwendet, also in nicht schüttfähigem Zustande. The use of glass threads in the form of glass wool as a filter material was made more difficult according to the previous proposals that they in most Cases was only usable in a pourable state. In this state, however, sets they have a comparatively great resistance to the air, because they are compressed of fine needles is required, and the amount of compression is not at all Places is the same, so that places of greater and lesser resistance arise. In addition, there is the greatest resistance at the points where the air flow has greater pressure, particles will be carried away by the needles and into the pure Enter airspace. These disadvantages can be avoided by using glass wool as a Undivided threads used, so in a non-pourable condition.
Die einfachste Art der Verwendung ist die, die Fäden entsprechend den Filterabmessungen zu zerschneiden und sie übereinanderzulegen. Diese Art des Einbringens ist aber zeitraubend und hängt von der Sorgfalt der Arbeiter ab; außerdem wird der Transport erschwert.The simplest way of using them is to match the threads to cut the filter dimensions and lay them on top of each other. This kind of Bringing in is time consuming and depends on the care of the workers; aside from that the transport becomes more difficult.
Die Verwendung von Glasfäden für Filter geschieht gemäß der Erfindung in der Form, daß die gesponnenen Glasfäden zu einem Kissen durch Steppnähte vereinigt sind. Man kann auf diese Weise verschiedene Größen, je nach den Verwendungszwecken, herstellen, um sie als Ganzes in das Filter einzubringen. The use of glass threads for filters occurs according to the invention in such a way that the spun glass threads are united to form a cushion by stitching are. In this way, different sizes can be created, depending on the intended use, in order to bring them into the filter as a whole.
Solche Filter bestehen aus mehreren Schichten von Glas fäden, deren Dicke sich nach dem Verwendungszweck richtet und etwa zwischen 6 und 12 mm liegt. Zur Zusammensetzung eines solchen Filters sind demnach eine größere Anzahl von Schichten erforderlich. Die Notwendigkeit der Schichtenbildung führt zu einer weiteren verbesserten Ausführungsform, die so erhalten wird, daß man die einzelnen Schichten einander kreuzend übereinanderlegt, so daß ein Kissen in der Form entsteht, als wenn es aus mehreren Geweben zusamrnengesetzt wäre. Hierdurch wird die Filterwirkung wesentlich erhöht. Such filters consist of several layers of glass threads whose The thickness depends on the intended use and is between 6 and 12 mm. A larger number of layers are therefore required for the composition of such a filter necessary. The need for stratification leads to a further improvement Embodiment which is obtained in such a way that the individual layers are connected to one another superimposed crosswise, so that a pillow arises in the form as if it were made of would be composed of several tissues. This makes the filter effect essential elevated.
Die einander parallelen Fäden bilden Kanäle, in welchen die Luft in dem Bestreben, den Weg des geringsten Widerstandes zu suchen, entlangströmt und nicht von Schicht zu Schicht senkrecht zu den Glasfäden. Die Luft hat also die Neigung, vorzeitig, ehe sie die Schicht durchdrungen hat, nach den Rändern ab zuströmen. Um dieser Erscheinung entgegenzuwirken, werden die Ränder des Kissens mit einem der Luft größeren Widerstand bietenden Stoff umgeben. Ein solcher Stoff kann Asbesttuch verschiedener Dicke sein; auch die Steppfäden werden zweckmäßig aus Asbest hergestellt. The parallel threads form channels in which the air striving to seek the path of least resistance, flows along and not perpendicular to the glass threads from layer to layer. So the air has the tendency prematurely, before it has penetrated the layer, flow towards the edges. To counteract this phenomenon, the edges of the pillow are covered with a surrounded by a fabric that offers greater resistance to the air. Such a substance can be asbestos cloth be of different thickness; The quilting threads are also expediently made from asbestos.
In der Zeichnung sind Kissen verschiedener Ausführungen dargestellt, und zwar zeigen: Abb. I und 2 ein Kissen mit Längsfäden, Abb. 3 und 4 ein Kissen mit einander kreuzenden Fäden, Abb. 5 und 6 zeigen die Verwendung des Kissens in einem Filter. In the drawing, cushions of different designs are shown, namely show: Fig. I and 2 a pillow with longitudinal threads, Fig. 3 and 4 a pillow with crossing threads, Figs. 5 and 6 show the use of the pillow in a filter.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM91105D DE456676C (en) | Gas and air filters with glass threads as filter material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM91105D DE456676C (en) | Gas and air filters with glass threads as filter material |
Publications (1)
Publication Number | Publication Date |
---|---|
DE456676C true DE456676C (en) | 1928-02-29 |
Family
ID=7321742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEM91105D Expired DE456676C (en) | Gas and air filters with glass threads as filter material |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE456676C (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2459802A (en) * | 1944-11-06 | 1949-01-25 | Walter L Fleisher | Air-conditioning apparatus |
DE821457C (en) * | 1950-05-09 | 1951-11-19 | Delbag Luftfilter Gmbh | Filter layer for cleaning air and gases from suspended particles contained therein |
DE849794C (en) * | 1950-02-11 | 1952-09-18 | Arno Andreas | Dust filter for cleaning air or gases |
US3572016A (en) * | 1967-04-14 | 1971-03-23 | Delbag Luftfilter Gmbh | Roll-type band filter suitable for ventilating ducts |
DE2813691A1 (en) * | 1978-03-30 | 1979-10-11 | Schlenker Arvid Dipl Chem | Sepn. of droplets and particles from gas streams - using filter with combination of stages including filter mats and particulate filter beds in draw trays |
IT202100030308A1 (en) * | 2021-11-30 | 2023-05-30 | Ufi Innovation Ct Srl | FILTER ASSEMBLY |
IT202100030314A1 (en) * | 2021-11-30 | 2023-05-30 | Ufi Innovation Ct Srl | FILTER ASSEMBLY |
-
0
- DE DEM91105D patent/DE456676C/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2459802A (en) * | 1944-11-06 | 1949-01-25 | Walter L Fleisher | Air-conditioning apparatus |
DE849794C (en) * | 1950-02-11 | 1952-09-18 | Arno Andreas | Dust filter for cleaning air or gases |
DE821457C (en) * | 1950-05-09 | 1951-11-19 | Delbag Luftfilter Gmbh | Filter layer for cleaning air and gases from suspended particles contained therein |
US3572016A (en) * | 1967-04-14 | 1971-03-23 | Delbag Luftfilter Gmbh | Roll-type band filter suitable for ventilating ducts |
DE2813691A1 (en) * | 1978-03-30 | 1979-10-11 | Schlenker Arvid Dipl Chem | Sepn. of droplets and particles from gas streams - using filter with combination of stages including filter mats and particulate filter beds in draw trays |
IT202100030308A1 (en) * | 2021-11-30 | 2023-05-30 | Ufi Innovation Ct Srl | FILTER ASSEMBLY |
IT202100030314A1 (en) * | 2021-11-30 | 2023-05-30 | Ufi Innovation Ct Srl | FILTER ASSEMBLY |
WO2023100084A1 (en) * | 2021-11-30 | 2023-06-08 | Ufi Innovation Center S.R.L. | Filter assembly |
WO2023100085A1 (en) * | 2021-11-30 | 2023-06-08 | Ufi Innovation Center S.R.L. | Filter assembly |
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