Corn stalk material, a method and apparatus for preparing it

An apparatus for preparing a corn stalk material comprising a peel of a corn stalk which is at least one material selected from the group consisting of a silk-shaped peel of the corn stalk and a strip-shaped peel of the corn stalk with residual pulp of the corn stalk, wherein a content of the residual pulp on the strip-shaped peel is less than 5%, the apparatus being an agricultural harvester,

• the agricultural harvester comprising:
• a chassis,
• a power plant,
• an electrical installation,
• a hydraulic system,
• a cab,
• a cutting table for harvesting the crops located in the front of the chassis of the agriculture harvester,
• a separating unit for separating the crop stalk, and
• a conveyer for conveying the crop stalk between the said units,
• wherein:
• the separating unit is used for crushing the crop stalk and separating the peel, pulp and leaf of the crop stalk from each other, and the separating unit comprises a rotatable structure with multiple teeth on the peripheral which can crush the corn stalk and the sorghum stalk, and a structure with apertures through which the crushed pulp and leaf is leaked.