Loading patent…
AssigneeH-U-R Hamburg GmbH Hamburger-Umwelt-Recyclingtechnologien
InventorsClaus GRONHOLZ, Andre GRONHOLZ
Estimating the term…
The invention relates to a method for washing/cleaning granular material from slag and for washing/cleaning bottom/boiler ash from a thermal waste treatment. In the method, the granular material is added to a process liquid and is subjected to ultrasound therein. According to the invention, it is proposed that the process liquid is located in an upright cleaning channel with an upper feeding end and a lower extraction end, that the granular material is introduced into the cleaning channel from the feeding end, and moves downwards towards the extraction end due to the force of gravity, and is subjected to ultrasound during the sinking movement.
A device to carry out a method for washing/cleaning granular material from slag as well as bottom/boiler ash from a thermal waste treatment as well as mineral residue and recycling material, comprising a cleaning channel (12) and at least one ultrasound generator (32, 33) subjecting the cleaning channel (12) and the process liquid therein and the granular material (16) therein to ultra sound, wherein the cleaning channel (12) extends upright or vertically in its longitudinal extension from an upper feeding end (13) to a lower extraction end (14), that ultrasound generators (32, 33) are located along the longitudinal extension of the cleaning channel (12), that the extraction end (14) is connected to a feed conduct (26) for process liquid, such that the delivered process liquid flows from the bottom to the top and that the feeding end (13) is connected to an overflow (28) in order to extract process liquid escaping from the cleaning channel (12).
Dependencies are inferred from the claim text.