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Drytech has identified four different methods of drying/processing concentrate materials, namely: flash drying ... The process produces freeflowing spheroids which readily smelt extremely well in modern furnaces. ... The solution is back mixing, which is far more costly in a rotary dryer configuration situation that that of a flash dryer, but ...
Kumera Steam Dryer for Copper Concentrate Kumera Steam Dryer is a patented solution for drying copper concentrate as well as other abrasive materials. Steam is normally available from a wasteheat boiler, serving Kumera Steam Dryer, but it can also be obtained from .
converters. In 2000, a decision was taken to increase the proportion of concentrate smelted in the CT by introduction of bonedry concentrate injection through the tuyeres. A flash dryer with a nominal capacity of 1200 metric tons per day of dry product, and associated tuyere injection system was .
Abstract – By placing additional demands on energy and gas flow, the moisture content of a copper concentrate has an adverse effect on the smelting process. Different drying technologies, such as directly heated rotary dryers, flash dryers, and steam dryers, are available to solve this problem.
From the flash dryers concentrate is transported pneumatically to a 3 000ton dry concentrate storage silo. The flash dryers are rated at a nominal 66 tph of dry concentrate at 14% moisture, while the furnace can smelt 90 tph of dry concentrate. Therefore both flash dryers are required to operate when the furnace runs at design throughput.
Jan 01, 2012· The waste gases generated at the process are ducted through the uptake shaft into wasteheat boiler and electrostatic precipitator, and then processed on the sulphuric acid plant. Flash furnace operation and control The flash furnace operator must smelt concentrate at a steady, specified rate while: a) producing matte of specified Cu grade ...
There are two stages in the Outokumpu flash smelting process: the oxidation reaction of copper concentrate with SiO 2 and oxidizing gas (, oxygenenriched air) in the reaction shaft [5] and ...
Outotec Flash Smelting and KennecottOutotec Flash Converting for copper Outotec Flash Smelting combined with KennecottOutotec Flash Converting is an integrated solution for highcapacity smelters. Matte from the flash smelting furnace is granulated and fed to a flash converting furnace in the same fashion as concentrate.
Chemically, concentrates smelted in flash furnaces contain 2030 mass % Cu, 2535% Fe and 2535% S. The process takes place in a flash smelting furnace, which schematically is presented in Figure 1. Main feedstock of the process is a dry CuFeS concentrate. Very roughly speaking, dry concentrate is blasted with O 2 in the reaction shaft. The ...
identical flash dryers can be fed from six silos. From the flash dryers concentrate is transported pneumatically to a 3 000ton dry concentrate storage silo. The flash dryers are rated at a nominal 66 tph of dry concentrate at 14% moisture, while the furnace can smelt 90 tph of dry concentrate. Therefore both flash dryers are required to operate
Aug 01, 2000· The occurring oxidation reactions are strongly exothermic and provide all or most of the heat needed to melt the concentrate particles and to maintain the furnace temperatures. Therefore, in the flash smelt technology only little fossil fuel addition is needed. In the settling area of the furnace, the matte and slag forming reactions take place.
The Valmet Fiber Flash Dryer is a money saving alternative when you invest in a pulp drying line. A flash drying system for both mechanical and chemical pulp entails considerably lower investment than conventional sheet drying plants. The dryers are specially designed to suit any client''s process and desired pulp qualities. Key benefits
Concentrate Dryer Flash Smelt Flash dryer for copper concentrate the beneficial effects of feeding dry copper concentrate to smelting furnaces and, copper, concentrate drying, steam dryer,, flash dryers, and steam dryers . flash dryer for copper concentrate gaur yamuna city
The ISASMELT process is an energyefficient smelting process that was jointly developed from the 1970s to the 1990s by Mount Isa Mines Limited (a subsidiary of MIM Holdings Limited and now part of Glencore plc) and the Australian government''s Commonwealth Scientific and Industrial Research Organisation ("CSIRO"). It has relatively low capital and operating costs for a smelting process.
Nickel West''s concentrator plant in Kambalda processes ore and concentrate purchased from third parties. The three streams of nickel concentrate come together at the Nickel West Kalgoorlie smelter, a vital part of our integrated business. The smelter uses a flash furnace to smelt concentrate .
concentrate dryer flash smelt identical flash dryers can be fed from six silos. From the flash dryers concentrate is transported pneumatically to a 3 000ton dry concentrate storage silo. The flash dryers are rated at a nominal 66 tph of dry concentrate at 14% moisture, while the furnace can smelt 90 tph of dry concentrate.
May 06, 2010· Dried copper concentrate is introduced to a smelter/converter that utilizes oxygen enrichment in the smelter/convert process. The copper concentrate was previously dried in a gas suspension or fluid bed dryer by contact with nitrogen gas that was a byproduct from the oxygen plants utilized to support the smelter.
Nickel West''s concentrator plant in Kambalda processes ore and concentrate purchased from third parties. The three streams of nickel concentrate come together at the Nickel West Kalgoorlie smelter, a vital part of our integrated business. The smelter uses a flash furnace to smelt more than 650 ktpa of concentrate to produce nickel matte.
Flash smelting (Finnish: Liekkisulatus, literally "flamesmelting") is a smelting process for sulfurcontaining ores including process was developed by Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore. It has also been adapted for nickel and lead production.. A second flash smelting system was developed by the International Nickel ...
Chemically, concentrates smelted in flash furnaces contain 2030 mass % Cu, 2535% Fe and 2535% S. The process takes place in a flash smelting furnace, which schematically is presented in Figure 1. Main feedstock of the process is a dry CuFeS concentrate. Very roughly speaking, dry concentrate is blasted with O 2 in the reaction shaft.
bearing feed (concentrate, reverts, and other internal smelter recycle materials) in a total bath volume of approximately 15 m3. At this smelting rate the furnace has the capability to treat million tpa of copperbearing feed. ISASMELT™ – Not Just Flash in the Pan page 2
The paper presents a basic model of the flash drying process, as it is applied in a number of industrial applications, and illustrates this by means of a particular application: the drying of subbituminous coal. Besides its economic importance, that application is representative of those where the product is combustible, so that the drying needs to be conducted in an inert atmosphere, which is ...
Flash Dryer Unit Optimization through Advanced Process Control important to maximize their throughput in order to allow for sufficient time to do maintenance without jeopardizing the furnace feed supply. The hot gas that is used for the transport and drying of the concentrate in the flash dryers, is
identical flash dryers can be fed from six silos. From the flash dryers concentrate is transported pneumatically to a 3 000ton dry concentrate storage silo. The flash dryers are rated at a nominal 66 tph of dry concentrate at 14% moisture, while the furnace can smelt 90 tph of dry concentrate. Therefore both flash dryers are required to operate
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