Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent
1998-06-25
2000-11-14
Gravini, Stephen
Drying and gas or vapor contact with solids
Apparatus
Rotary drums or receptacles
34120, D06F 5800
Patent
active
061452173
ABSTRACT:
A machine for manufacturing a material web, in particular a paper or cardboard web, comprises a drying section that exhibits at least one drying group comprising two rows, including an upper and a bottom row of heatable drying cylinders, which are each assigned a transport belt, which is guided around the drying cylinder and the guide rollers assigned to the drying cylinders in a meandering fashion, whereby the material web is guided in an alternating manner around a drying cylinder of the top row and a drying cylinder of the bottom row and between the drying cylinders in a free stretch, and with at least one first nozzle, serving to transfer the threading strip, projecting a flow of gas essentially against the run direction of the material web. The machine includes a guide device positioned on the material web side opposite the first nozzle, which includes at least a second nozzle projecting a flow of gas essentially in the run direction of the material web.
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patent: 5782009 (1998-07-01), Kotischke
Gravini Stephen
Voith Sulzer Papermaschinen GmbH
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