US4612113A - Repeating flotation machine - Google Patents
Outokumpu Oyj Original Assignee Outokumpu Oyj Priority date (The priority date is an assumption and is not a legal conclusion. ... According to the drawing, the repeat cell mixer uses the same axis and actuator apparatus as the mixer of the large flotation cell. If the volume of the repeat cell is about 1/10 of the volume of the large cell, the ...
Rougher Flotation Cells - Mining and Mineral Processing ...
So flotation cells in this stage have bigger working volume than the cleaner flotation cells and scavenger cells. Rougher cells also have 2 types, mechnical agitation with self- absorbtion air cells and Pneumatic flotation cells. Choosing the different type according to the features of the ores.
Cell Design - Application of Fundamental Principles | PDF ...
Table 3 Outokumpu cell tank dimensions for different cell sizes (taken from Outokumpu flotation cell brochure; courtesy of Outokumpu Mintec Oy, Finland. OK conventional cells Model. Volume (m 3) Length (m) Width (m) Height (m) Motor installed (kW) OK-0.5-R OK-1.5-R OK-3-R OK-8-U OK-16-U OK-38-U. 0.5 1.5 3 8 16 38. NA NA 1.52 2.29 2.95 3.49. NA ...
Bubble Size Distribution in Laboratory Scale Flotation Cells
The experiments were carried out in two Outokumpu cylindrical flotation cells, a 50 dm3 laboratory scale cell (35 cm in diameter and 55 cm high) made of stainless steel and a 70 dm3 cell (42 cm in diameter and 52 cm high) made of plexiglass. In the 50 dm3 cell (nominal), the level of liquid in the cell was set equal to 35 cm, so
Outokumpu Technology to deliver world's largest flotation ...
Outokumpu Technology has agreed the delivery of three TankCell®-300 flotation cells to OceanaGold's Macraes operation in New Zealand. TankCell®-300, with an active capacity of over 300m3, is the largest mechanical flotation cell in the world.
Flotation Cell Design: Application of Fundamental …
II/FLOTATION/Flotation Cell Design: Application of Fundamental Principles 1503 Figure 4 Typical flow patterns in a mechanical flotation cell (courtesy of Outokumpu Mintec Oy, Finland). sure through the hollow shaft to the impeller region.
Flotation Tank Cells - Metallurgist & Mineral Processing ...
The froth crowders or "boosters," as they are called, extend free deep in the cell near the rotor toward the froth lip reducing the area available for froth formation. Outokumpu HG Flotation Cell. The Outokumpu HG or High-Grade flotation cell was introduced in 1990 after extensive field trials at Outokumpu concentrators.
Flotation Cells - Nelson Machinery & Equipment Ltd.
1-250-373-2427 6451 Trans-Canada Hwy Savona, BC V0K 2J0
RECENT EXPERIENCES ｾjｬth＠ LARGE OUTOKUMPU …
In sizes from 8 m3 up Outokumpu uses U-shape tank which is mechanically s trong and allows very little sanding. The amount of settled solids on the bottom has been measured to be only 1.5% of the live volume of the cell. With the rectangular tank design the corresponding figure is normally 10% to 15%.
Kämpjärvi, Petteri; Jämsä-Jounela, Sirkka-Liisa Level ...
2.3. Modelling the Outokumpu flotation cells Fig. 3 shows the cross-section of the flotation cells under study. The pulp level changes as a function of the cell volume. The change is linear from the bottom of the cell to the starting level of the launders and boosters, denoted by H lowerpart in Fig. 3. The
SELECTION OF MECHANICAL FLOTATION EQUIPMENT
flotation cell rotor. Traditionally flotation plant design blower selection and control has been based on using an oversized positive displacement blower, or an industrial fan, with any excess air discharged to atmosphere. While easy to select and design, this type of circuit contains inefficiencies especially when it comes to energy consumption.
The use of large OK-16 flotation machines at the ...
Total cell volume, m3 60 Energy, kWhjt 1,5 2,0 Nickel in ore, % I 0,17 Nickel in concentrate, % 2,5 1,7 Nickel in tailings, % 0,07 0,09 I Annual Cap~city TABLE I OK-16 FLOTATION MACHINES AT OUTOKUMPU OY Grade of ore Feed of air m3 I No. of cell tanks I--4 Grind %-200 mesh *The rough concentrate is cleaned in two four-section VK 3 flotation ...
ChE514A Cell Kinetics and Fermenter Design - VSIP.INFO
OK-R and OK-U Conventional Outokumpu flotation cells Optional cells for smaller tank volumes The Outokumpu partnership . 107 0 413KB Read ... wet cell weight per unit volume of cell mass dCX/dt = change of dry cell concentration with time rX = growth rate of cells on a dry weight basis dCN/dt = change of cell number density with time rN ...
MILESTONES IN THE IMPROVEMENT OF CONCENTRATOR …
Outokumpu designed and manufactured a 100m3 flotation tank cell to scavenge the Agitair scavenger tailings. The 100m3 Outokumpu flotation tank cell was installed and commissioned in 1996 at a cost of BWP1.5 million. This allowed the recovery of slow floating nickel associated with pyrrhotite and pyrite minerals.
1 Froth Flotation – Fundamental Principles
no flotation can occur. Contact between particles and bubbles can be accomplished in a flotation cell such as the one shown schematically in Figure 5. Figure 5: Simplified schematic of a conventional flotation cell. The rotor draws slurry through the stator and expels it to the sides, creating a suction that draws air down the shaft of the stator.
Numerical modelling of an outokumpu flotation cell ...
Local and overall gas hold-ups were measured in a 265 dm3 transparent Outokumpu flotation cell. The cell was fitted with two different Outokumpu commercial rotor/stator mechanisms (FreeFlow and ...
Stainless steel stacks up for fuel cell ... - outokumpu.com
Low temperature fuel cells. The electrochemical process taking place in a fuel cell is simply electrolysis in reverse. Rather than passing a current through water (H 2 O) to split it into hydrogen (H 2) and oxygen (O 2), the fuel cell reacts H 2 and O 2 to produce current, with water as the harmless byproduct.. There are many different types of fuel cell that operate at a range …
Grid of the Outokumpu flotation impeller. | Download ...
The investigated flotation cells included Outokumpu cell [92], Denver ... The effects of bubble diameter on velocity field and air volume fraction are determined by conducting simulations for ...
outotec 300 tank cell on steel
The future of flotation. The froth-free flotation vessel comes by way of Eriez Flotation Division, which patented it, "We can get 100 per cent recovery up to about 300 microns," he sa, Outotec has a 500-cubic-metre cell in operation and several 630-cubic-metre cells in, at least some of the extra tank volume a waste of space, steel and ...
Outokumpu Cell - VSIP.INFO
The conventional Outokumpu flotation cells – OK-R and OK-U – include most of the features of the advanced Outokumpu TankCell® units. They are optional to TankCell® units especially for smaller tank volumes (less than 50 m3). The OK-R and OK-U cells operate successfully as roughers, scavengers and cleaners. Standard OK-U cells (from 8 to ...
cross section of a flotation cell
Crosssection of a flotation cell of Outokumpu Mintec Calculation of the pulp volume can be divided into two sections: the pulp level below and above the lowerpart When the volume is smaller than the volume of the cylinder´s H lowerpart, the pulp level 2 …
SciELO - Brasil - ON THE USE OF FROTH FLOTATION IN THE ...
Flotation. All flotation experiments were carried out in triplicate, using an Outokumpu flotation cell with 1.5 l capacity. ing agent was not added, nor was the liquid volume complemented during the experiment.
volume of outokumpu flotation cells
Outokumpu Technology to deliver world's largest flotation ... Outokumpu Technology has agreed the delivery of three ... 1,600 TankCell® units globally including the world's largest single train of flotation cells by volume, ...
Advantages of the massive 660 m³ flotation cell - Mineral ...
With an active volume of 660 m³, this massive cell is one of the world's largest operating flotation cells and allows customers to take advantage of economies of scale. The first 600 Series cell is installed at KGHM's Robinson copper-molybdenum mine in Ely, Nevada/USA (Fig. 1). Initially water trials were conducted and when operators were ...
Level control strategies for flotation cells - ScienceDirect
Modelling the Outokumpu flotation cellsFig. 3 shows the cross-section of the flotation cells under study. The pulp level changes as a function of the cell volume. The change is linear from the bottom of the cell to the starting level of the launders and boosters, denoted by H lowerpart in Fig. 3. The cross-section of the pulp subsequently ...
Outokumpu Cells - Liquid Chromatography - Beyond Discovery
The OK conventional flotation cells are available in volumes up to 38 m3. Conventional cells have a rectangular tank design for cell volumes up to 3 m3; above 3 m3 and up to 38 m3 the cells have a U-shaped tank. TankCell designs are available from a volume of 5 m3 to a volume of 160 m3 and are essentially a cylindrical
AMIT 145: Lesson 5 Froth Flotation – Mining Mill Operator ...
[image 145-5-34] Internal dart valve used to control the tailings flow rate from cell-to-cell. [image 145-5-35] Outokumpu Svedala Flotation Cells [image 145-5-36] Flotation Cell Engineering Data [image 145-5-33] Dorr-Oliver Square and Round Cells [image 145-5-37]
Flotation Cells - Used Mining & Processing Equipment
OUTOKUMPU Type OK-38 2-U Flotation Cell Mechanism with 60 kW (80 HP) Motor. Manufacturer: OUTOKUMPU. Inventory ID: 7J-PH01l. View Details. Tank Size: Model: OK-38 2-U: Bank of (2) GALIGHER Sz. 48 Agitair Flotation …
outokumpu flotation solutions
outokumpu flotation cells - roller-shop . outokumpu flotation cell ok. Outokumpu Flotation Cells Ok 16 Ok flotation cell Ok flotation cell Ok flotation cell is a two stage system with 34 or 5 flotation cells in seri It is used for separating nonferrous metal black metal noble metal nonmetal mineral raw body and materials of chemical .
Minerals | Free Full-Text | Hydrodynamic and Flotation ...
The processing of low grade mineral ores using large scale flotation cells is obviously more advantageous than smaller-scale processing. Large-scale flotation cells have become increasingly important for effective volume scale-up. In this study, the latest and largest flotation cell in China, with an effective volume of 680 m3, is considered.
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