Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1977-12-08
1980-05-13
Camby, John J.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 41, F26B 328
Patent
active
042021120
ABSTRACT:
Process for the uniform pre-drying of damp textile material webs, subsequent to a continuous wet treatment operation, including measuring the moisture content remaining on the textile material, wherein, in the course of the material run, immediately behind an infrared pre-drying tunnel for the continuously fed material, several measuring positions are arranged transversely to the transport direction of the material, and measurements of the residual moisture are made by means of a contactless method, determining measuring pulses in this manner and transmitting these to the control elements of the preceding pre-dryer and within the heating power is controlled of several separately controllable heating fields, distributed across the width of the drying tunnel, in agreement with the measured values of the moisture.
REFERENCES:
patent: 3040807 (1962-06-01), Chope
patent: 3214845 (1965-11-01), Huffman
patent: 3358378 (1967-12-01), Downs
patent: 3731520 (1973-05-01), Hickman et al.
patent: 3793741 (1974-02-01), Smith, Jr.
patent: 3848342 (1974-11-01), Bartles et al.
Glander Siegfried
von der Eltz Hans-Ulrich
Camby John J.
Hoechst Aktiengesellschaft
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