B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
B30B 11/28 (2006.01) B01J 2/22 (2006.01)
Patent
CA 2167728
The present invention pertains to the problem of compressing biomass, e.g., ripe grain, into solid pressed bodies (1), which are suitable for use as fuel, despite differences in the harvesting conditions, and whose strength no longer depends on the moisture content in the biomass. It was found that this problem can be solved without an essential expense by imparting a wavy structure (6) to the pressed body (1). As a result, the outer surface of the pressed body (1) is compressed more strongly by the extrusion than is the middle cross section area, in which long-fibered parts of the mass are readily oriented in a wave shape (21) and lead to elasticity of the pressed bodies (1), which is favorable for handling.
L'invention concerne la manière dont la biomasse, par ex. des céréales arrivées à maturité, peut, en dépit de conditions de moisson variables, être comprimée pour former des comprimés (1) solides propres à servir de combustibles, dont la solidité ne dépend plus du degré d'humidité de la biomasse. Il s'avère que ce problème peut être résolu sans impliquer de grande complexité technique, du fait que le comprimé (1) a une structure ondulée (6). La surface extérieure du comprimé (1) se trouve, de manière inhérente à l'extrusion, comprimée plus intensément que la zone transversale médiane dans laquelle des éléments de masse à fibres longues s'orientent aisément de manière ondulée (21) et confèrent aux comprimés (1) une élasticité utile à leur manipulation.
Haimer Franz
Macrae & Co.
LandOfFree
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