Button die for a pellet mill, a pelleting press for the production of pellets and a process for the preparation of a button die

摘要

A button die for a pelleting press for the production of pellets, preferably of biomass for use as a burning material in fireboxes, wherein the biomass from cellulose and / or lignocellulose-containing fibers, chips, or shreds, has a plurality of bores, which on at least two concentric circles are arranged horizontally, in order to form a circular running surface, wherein each hole circle in each case an identical number of bores are formed, for each bore of a hole circle an adjacent bore by an angle 2α is arranged offset, and for each bore of a hole circle, at least one through an angle α offset hole arranged on an adjacent hole circle. Furthermore, a pelleting press and a method for the production of a button die stressed.