Gas separation: apparatus – Electric field separation apparatus – Including gas flow distribution means
Patent
1993-11-19
1995-03-28
Chiesa, Richard L.
Gas separation: apparatus
Electric field separation apparatus
Including gas flow distribution means
55DIG38, 95 73, 95 78, 96 72, 96100, 138111, 428118, B03C 349
Patent
active
054013011
DESCRIPTION:
BRIEF SUMMARY
The invention is directed to a device for transporting materials.
Various devices for transporting materials which are also used as electrostatic precipitators, etc. are known. A device for electrostatic precipitation of mist and dust is described in DE-PS 963868, for example. In this device the walls of the gas ducts are at the same time collector or precipitation electrodes formed by individual structural component parts of porous, nonmetallic material. Ducts for an electrically conductive rinsing liquid pass through the precipitation electrodes, the nonmetallic material being sufficiently porous to enable the surfaces of the precipitation electrodes to be rinsed off with this liquid which penetrates from the ducts to the surface. It is possible to use hollow, four-cornered plates as structural component parts for this purpose. These plates have edges at two opposite sides which are beveled at an angle of 120.degree. and the plates are connected with one another at these sides in the manner of a honeycomb. In this arrangement the individual structural component parts are connected by a thin layer of cementing material arranged along the entire length of the individual honeycombs so as to form a fully self-supporting stable system.
DE-PS 2641114 describes a process for producing a plastic electrostatic filter in a honeycomb shape by joining together hot-pressed plate strips of fiberglass-reinforced polyester having a tongue-and-groove shape in cross section. The individual plate strips are provided with flanges which are connected with one another along the entire length of the honeycomb bundle. The plate strips are either glued together by advantageous use of resin or, insofar as the plate strips are made of thermoplastic material, connected with one another by welding.
U.S. Pat. No. 4,441,897 describes an electrostatic precipitator in which the precipitation electrodes are likewise arranged in the form of a honeycomb grid. Each individual precipitation electrode in this electrostatic precipitator is also connected along the entire length of the honeycomb with the adjacent precipitation electrode.
In the devices mentioned above for transporting materials in which waste gas to be purified is transported within a plurality of honeycomb-like pipes, a disadvantage consists in that to produce the honeycomb grid a rigid connection must be effected e.g. by welding or gluing at a number of locations along the entire length of the pipes to impart sufficient stability to the honeycomb grid. As a rule, the individual structural component parts of the honeycomb grid must be joined manually which is relatively difficult to carry out and highly expensive.
The present invention therefore has the object of providing a stable device for transporting materials in which the individual structural component parts can be joined relatively simply and economically.
The problem upon which the invention is based is solved by a device for transporting materials which has at least a first pipe and a second pipe, each having a six-cornered, honeycomb-shaped flow cross section. The first pipe has two or three first wall parts which are not arranged adjacent to one another and whose longitudinal edges are arranged at a first distance from the respective connection point between the first wall part and the adjacent second wall part lying closest to the longitudinal edge. Plate-shaped brackets are arranged at the sides of the first wall parts remote of the materials to be transported at a second distance from the nearest longitudinal edge and are inclined toward the nearest longitudinal edges. The angle of inclination between the plane of the bracket in question and the plane of the first wall part in question is 60.degree.. The second pipe has at least one corresponding first wall part which is arranged parallel to the second wall part of the first pipe. The surfaces of the brackets of the first wall part of the second pipe which form the respective side the angle of inclination contact a portion of the nearest first wall part of the f
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Moeller Wilhelm
Schulmerich Christian
Chiesa Richard L.
Metallgesellschaft Aktiengesellschaft
Striker Michael J.
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