Sand cleaning
AssigneeFinn Recycling Oy
InventorsJukka NIEMINEN, Toni WESIN, Kalle KEKÄLÄINEN
Life of this patent
Estimating the term…
Abstract
A system (1), and method for cleaning sand, which system (1) is a modular system and comprising at least a cleaning module (2). The cleaning module (2) comprising a cleaning apparatus (22) comprising an oven (5), and a cooling drum (6). The system (1) is configured to thermally clean the sand in the heated oven (5), remove gases and fine fraction from the thermally cleaned sand, cool the thermally cleaned sand in the cooling drum (6), and remove gases and fine fraction from the cooling drum (6).
Claims15
A system for cleaning sand, which system is a modular system comprising at least a cleaning module, wherein the cleaning module comprises a cleaning apparatus comprising an oven and a cooling drum, wherein the system is configured to
- thermally clean the sand in the heated oven;
- remove gases and fine fraction from the thermally cleaned sand;
- cool the thermally cleaned sand in the cooling drum;
- and
- remove gases and fine fraction from the cooling drum.
A cleaning apparatus for cleaning sand, which cleaning apparatus comprises an oven and a cooling drum, wherein the apparatus is configured to
- thermally clean the sand in the heated oven;
- remove gases and fine fraction from the thermally cleaned sand;
- cool the thermally cleaned sand in the cooling drum;
- and
- remove gases and fine fraction from the cooling drum.
A method for cleaning sand with a system, which system is a modular system comprising at least a cleaning module, wherein the cleaning module comprises a cleaning apparatus comprising an oven and a cooling drum, wherein the method comprises
- thermally cleaning the sand in the heated oven;
- removing gases and fine fraction from the thermally cleaned sand;
- cooling the thermally cleaned sand in the cooling drum;
- and
- removing gases and fine fraction from the cooling drum.
Dependencies are inferred from the claim text.