| 摘要 |
Method for treating continuous fibreglass filament waste, comprising the steps of comminuting said waste to obtain comminuted fibre pieces (h) of predetermined size; continuously feeding a feedstock of comminuted fibre pieces to a heat treatment; and heating the feedstock of comminuted fibre pieces to cause, in succession, the elimination of any moisture content, the evaporation of volatile components of an organic coating of the continuous fibre, and the combustion of residual components of the organic coating. The feedstock of comminuted fibre pieces is fed to the heat treatment as a web of material. At least the combustion of residual components of the organic coating takes place in a tunnel furnace (20, 21) comprising a plurality of heat sources provided above and below the web of material. During the heat treatment, the feedstock of comminuted fibre pieces moves continuously forward, and is brought, in a progressively rising way, from a starting temperature to a final heating temperature greater than the softening point of fibreglass. |
