Method of and apparatus for collecting peat from peat field

Details Method of and apparatus for collecting peat from peat field Method of and apparatus for collecting peat from peat field

E - Fixed Constructions

21

C

262/1

E21C 49/00 (2006.01) E21C 49/02 (2006.01)

Patent

CA 1194895

Abstract A method of and apparatus for collecting peat from a peat field. The peat is loosened from a peat field in layers, a problem to to be resolved being how to avoid mixing of the drier surface portion and the lower moister peat layer together. To resolve this problem, the peat to be lifted is loosened from its bed by fastening it to a filter surface by means of negative pressure and by removing the peat from said filter surface after the displacement of uplifting by means of positive pressure. The apparatus is provided with peat layer loosening means, compris- ing a drum (1) coated with a filter material (8) and provided with perforations and internally divided into negative and positive pressure chambers (2 and 3). The peat layer that is fastened to the filter surface (8) can be sheared to form a top and a bottom layer, whereby the bottom layer can be allowed to drop back on the field to dry.

425801

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