Title:
DRYER
Document Type and Number:
WIPO Patent Application WO/1980/000183
Kind Code:
A1
Abstract:
A dryer which comprises drying chambers (12a), (12b), (12c), (12d), a heat exchanger (15) for heating fresh air in heat-exchange with a clean gas, a blast line (16) for supplying fresh air into the drying chambers, a blast line (18) for leading exhaust air from the drying chambers to an exhaust air processing device (21), a blast line (23) for venting hot clean gas from the processing device, and control means (30), (34), (35) for controlling the air flow of these lines. Thus, the hot air source for the drying chambers is the fresh air heated in the heat-exchange with the high temperature clean gas. As a result, there is an improvement in the control response of heating chamber temperature and gas concentration, so that the dryer can be applied to articles in which organic substances are evaporated when dried.
Inventors:
UJI Y (JP)
KAWATA H (JP)
KAWATA H (JP)
Application Number:
PCT/JP1979/000164
Publication Date:
February 07, 1980
Filing Date:
June 26, 1979
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD (JP)
UJI Y (JP)
KAWATA H (JP)
UJI Y (JP)
KAWATA H (JP)
International Classes:
F26B13/10; F26B21/00; F26B23/02; (IPC1-7): F26B21/00
Foreign References:
| US3437321A | 1969-04-08 | |||
| US3757427A | 1973-09-11 | |||
| US3942264A | 1976-03-09 | |||
| JPS52111283A | 1977-09-17 | |||
| JPS32882B1 | ||||
| JPS4227463B1 | ||||
| JPS354553Y1 | ||||
| JPS408824B1 | ||||
| JPS5023519U | 1975-03-17 |
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