EP 3829774 A4 20220413 - FLOTATION CELL
Title (en)
FLOTATION CELL
Title (de)
FLOTATIONSZELLE
Title (fr)
CELLULE DE FLOTTATION
Publication
Application
Priority
FI 2018050565 W 20180801
Abstract (en)
[origin: WO2020025850A1] A flotation cell (1) for treating particles suspended in slurry and for separating the slurry into an underflow (400) and an overflow (500) is disclosed. The flotation cell comprises a flotation tank (10) with a centre (11), a perimeter (12), a bottom (13), and a side wall (14); and a launder (2) and a launder lip (21) surrounding the perimeter (12) of the flotation tank. The flotation tank further comprises blast tubes (4) for introducing slurry infeed (100) into the tank, a blast tube comprising an inlet nozzle (41), an inlet (42) for pressurized gas, an elongated chamber (40) and an outlet nozzle (43). The outlet nozzle is positioned at a vertical distance (L5) from the launder lip, the distance (L5) being at least 1,5 m. In addition, a flotation line and use of the flotation line are disclosed.
IPC 8 full level
B03D 1/14 (2006.01); B03D 1/00 (2006.01); B03D 1/24 (2006.01); B03D 103/02 (2006.01)
CPC (source: CN EP)
B03D 1/00 (2013.01 - EP); B03D 1/1406 (2013.01 - CN); B03D 1/1456 (2013.01 - CN EP); B03D 1/1462 (2013.01 - EP); B03D 1/1475 (2013.01 - EP); B03D 1/242 (2013.01 - EP); B03D 1/247 (2013.01 - EP); B03D 2203/02 (2013.01 - CN)
Citation (search report)
- [I] US 2008251427 A1 20081016 - MANKOSA MICHAEL J [US], et al
- [I] CN 107362911 A 20171121 - CHINACOAL TIANJIN CLEAN TECH CO LTD
- [A] US 2013341252 A1 20131226 - JAMESON GRAEME JOHN [AU]
- [A] US 2014202932 A1 20140724 - XU MINQING [CN]
- See also references of WO 2020025850A1
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
DOCDB simple family (publication)
WO 2020025850 A1 20200206; AU 2018435420 A1 20210318; AU 2019100826 A4 20190829; CL 2019002142 U1 20191018; CN 110787912 A 20200214; CN 210474319 U 20200508; EP 3829774 A1 20210609; EP 3829774 A4 20220413; MX 2021001130 A 20210429; PE 20191275 Z 20190920; PE 20210792 A1 20210422; ZA 202101403 B 20220727
DOCDB simple family (application)
FI 2018050565 W 20180801; AU 2018435420 A 20180801; AU 2019100826 A 20190729; CL 2019002142 U 20190730; CN 201910704844 A 20190801; CN 201921237264 U 20190801; EP 18928304 A 20180801; MX 2021001130 A 20180801; PE 2019001513 U 20190731; PE 2021000150 A 20180801; ZA 202101403 A 20210301