초록 ▼

The invention relates to a device for the treatment of a material, in particular a web or material or pulp, which is made to pass between at least two endless, permeable belts, for instance screen belts or the like conveying means, in particular for the displacement washing of a filter cake or for w

The invention relates to a device for the treatment of a material, in particular a web or material or pulp, which is made to pass between at least two endless, permeable belts, for instance screen belts or the like conveying means, in particular for the displacement washing of a filter cake or for washing fibrous matter, the material being made to pass between the belts along containers serving for the introduction or discharge of a treatment medium, for instance a wash liquid. The main object is to save energy and surface space requirement in the washing of filter cakes or the like, to reduce the production expenditure for such treatment devices and to increase the washing effect. This is achieved according to the invention by providing, in particular for a gravity countercurrent treatment, conveniently a gravity displacement washing, for the treatment containers to be superimposed, in particular approximately vertically, and for the belts with the material lodged therebetween being made to pass ascendingly around the and between the treatment containers in a loopshaped or undulating path, the material being conveyed by the belts first to the lowermost treatment container and the treatment liquid, for instance fresh water, first being fed to the topmost container, conveniently under pressure, and the treatment containers provided on the side facing the upper side of the belts or the material, in particular on the underside of the containers, with openings for feeding or conveying of the treatment liquid to the belts or the material or to other treatment containers positioned underneath.

대표청구항 ▼

A device for the treatment of a material comprising: a plurality of stationary containers for receipt of a treatment medium, said plurality of containers being superimposed and including a lowermost treatment container and an uppermost treatment container, said containers including means for introdu

A device for the treatment of a material comprising: a plurality of stationary containers for receipt of a treatment medium, said plurality of containers being superimposed and including a lowermost treatment container and an uppermost treatment container, said containers including means for introducing and discharging the treatment medium, the treatment medium being first fed to the uppermost treatment container; at least two endless permeable belts for guiding the material therebetween, said belts having an undulating path including a plurality of loops extending about a portion of the underside of the containers; means for transporting said belts with the material lodged therebetween ascendingly around the treatment containers in the path of the belts, said means for transporting conveying the material with the belts first to the lowermost treatment containers; a single container being disposed within each single loop of the belts; and a guide for the belts and thus the material, said guide being formed by the underside of the containers, said guide facing an upper side of the belts, the undersides having an opening formed therein for feeding the treatment medium to the belts and to the further treatment containers positioned beneath the container, the walls of the further containers having upper borders, said guide being additionally formed by said upper borders.