Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1983-04-27
1985-02-05
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 57R, 34 92, 34236, 34237, 406122, 406171, F26B 504
Patent
active
044971206
ABSTRACT:
A procedure and apparatus for charging and emptying the drying trays in a drying box containing pumpable, solvent-moist starting materials and end products which can be conveyed pneumatically, in which procedure, for filling, the drying trays are closed by means of cover plates and the solvent-moist starting materials are pumped into the filling spaces which are thus formed, these spaces being opened on commencing the drying process, and being closed again following completion of this process, after which the end products are conveyed away from the filling spaces by pneumatic means.
This procedure enables drying boxes to be employed for drying even pumpable, solvent-moist products, the recommendations relating, respectively, to explosion protection and to maximum permissible concentrations of toxic materials at workplaces, being complied with, while the operations of charging and emptying the drying boxes are, at the same time, carried out by mechanical means, and hence at lower cost.
REFERENCES:
patent: 2509681 (1950-05-01), Flosdorf
patent: 2676417 (1954-04-01), Ekelund
patent: 2710456 (1955-06-01), Andersen
patent: 3460269 (1969-08-01), Kessler
patent: 4035924 (1977-07-01), Faure
patent: 4177574 (1979-12-01), Kobayashi et al.
patent: 4353222 (1982-10-01), Kobayashi
patent: 4426793 (1984-01-01), Kuboyama
Fabian Wolfgang
Laemmermann Fritz
Polster Rudolf
Rindfleisch Werner
BASF - Aktiengesellschaft
Schwartz Larry I.
Westphal David W.
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