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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.
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 .
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
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.
a higher Cr2O3 feed material through the flash dryer to the circular furnaces. In early 2009, a decision was taken to operate only a single blend and the sixinline Merensky furnace and spray dryers were therefore placed on care and maintenance. The low proportion of Merensky in the 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.
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 ...
Spin Flash Dryers.....48 Section 5. Spray Dryers.....58 APV Dryer Handbook 12/6/00 10:52 AM Page 3. 4 APV Dryer Handbook 12/6/00 10:52 AM Page 4. 5 INTRODUCTION The drying of materials – whether solids, liquids or slurries – to improve storage life or reduce transportation costs is one of the oldest and most commonly used ...
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
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
Soy Protein Concentrate (SPC) is a concentrated form of soy protein where the majority of oil and watersoluble carbohydrates have been extracted from the dehulled bean. SPC has improved flavor characteristics compared to soy flour, and is used for a wide variety of applications in the food industry, especially with meat processing.
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 .
3003 Concentrate dryer 3004 Oxide kiln 3005 Other/not specified FURNACES 3030 Bake furnace ... 3024 Smeltcrucible furnace 3025 Smeltreverberatory furnace 3026 Sweating furnace ... therm/flash 4026 Coal cleaning therm/fluid bed 4027 Coal cleaning therm/multi low pd ...
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 ...
Potential areas for improvement within flash smelting. The gradual or rapid change in concentrate composition and feed blends can adversely affect furnace operation. These inefficiencies in flash smelting operations are occurring more often now that primary feedstocks are steadily being depleted.
Apr 01, 2014· There are other dryers, depending on the product, that can be used in certain industries — for example, rotary dryers, drum dryers, kiln dryers, flash dryers, tunnel dryers and so on. Spray dryers are the most widely used in chemical, dairy, agrochemical, ceramic and pharmaceutical industries. Spray dryer.
During SeptNov 2014 the Smelter executed its largest maintenance shutdown, which included a complete rebuild of the Flash Smelting Furnace and replacement of the concentrate dryer, furnace waste heat boiler and sulfuric acid plant modifications, as well as significant upgrades to .
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 ...
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
Flash furnaces. A flash furnace consists of a vertical reaction shaft and a horizontal settler, and smelting is performed with dried concentrates that provide a portion of the fuel. The Edwards roasters and reverberatory furnace at Mount Morgan were replaced by a concentrate dryer, Outukumpu flash furnace, and two converters in 1972.
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.
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 ...
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 .
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.
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