Global Patent Index - EP 4171826 A1

EP 4171826 A1 20230503 - FLOTATION ARRANGEMENT AND METHOD

Title (en)

FLOTATION ARRANGEMENT AND METHOD

Title (de)

FLOTATIONSANORDNUNG UND -VERFAHREN

Title (fr)

AGENCEMENT DE FLOTTATION ET PROCÉDÉ

Publication

EP 4171826 A1 20230503 (EN)

Application

EP 21833355 A 20210623

Priority

  • US 202063046231 P 20200630
  • FI 2021050486 W 20210623

Abstract (en)

[origin: WO2022003242A1] A flotation arrangement (100) and method. The arrangement comprises mill (2) arranged for producing slurry, a flotation section (12) comprising at least one flotation unit (1) provided with a feed system (3), an overflow means (4), and an outlet (5), as well as a fluid bed device comprising de vices for creating a fluid bed and/or a froth device comprising devices for creating a froth layer, particles being fed for interaction with the froth layer. The flotation section (12) is followed by a first classification unit (6), the flotation section (12) is arranged for receiving, from the mill (2), slurry feed from which particles under 300 µm are not removed, and the flotation section (12) is operably connected to an inlet (7) of the first classification unit for classification of said under flow exiting from the flotation section (12) into a fine underflow stream (F) and a coarse underflow stream.

IPC 8 full level

B03D 1/08 (2006.01); B03B 7/00 (2006.01); B03D 1/02 (2006.01); B03D 1/14 (2006.01)

CPC (source: CN EP)

B03D 1/02 (2013.01 - CN EP); B03D 1/025 (2013.01 - EP); B03D 1/08 (2013.01 - EP); B03D 1/14 (2013.01 - CN EP); B03D 1/1418 (2013.01 - CN); B03D 1/242 (2013.01 - EP); B03D 1/247 (2013.01 - EP); B03D 2203/02 (2013.01 - CN)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2022003242 A1 20220106; AU 2021300601 A1 20230216; CA 3184601 A1 20220106; CL 2022003789 A1 20230707; CN 113856913 A 20211231; CN 217313904 U 20220830; EP 4171826 A1 20230503; EP 4171826 A4 20240619

DOCDB simple family (application)

FI 2021050486 W 20210623; AU 2021300601 A 20210623; CA 3184601 A 20210623; CL 2022003789 A 20221228; CN 202110732574 A 20210630; CN 202121476175 U 20210630; EP 21833355 A 20210623