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Pyrite Smelting Stainless Steel

1 the present invention can make full use of the oxidation reaction heat of sulfurous iron ore self thereby only need replenish small coal when the melting or without coal according to oxygen-rich.

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  • What is the melting point of stainless steel

    The present invention relates to a kind of smelting technology of sulfurous iron ore.

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    The object of the present invention is to provide the technique for smelting pyrite that a kind of technical process is short, energy-saving effect is obvious, comprehensively recovering effect is good, environmental protection is good.

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    Said oxidizing semlting method is meant oxygen-enriched top blowing method or oxygen-enriched side-blowing method.said reducing smelting process is meant romelt, hismelt.temperature will be higher than 1250 in the said oxidizing semlting method smelting furnace, and the temperature of sulfonium is higher than 1100 , and high ferro melting slag temperature is higher than 1150 , and temperature is at 1500-1700 in the smelting furnace of said retailoring pond.

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    1, the present invention can make full use of the oxidation reaction heat of sulfurous iron ore self, thereby only need replenish small coal when the melting or without coal according to oxygen-rich concentration.

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    2, at oxidation panel, sulfonium separates with slag, and most of precious metal and copper, part lead are enriched in the sulfonium, and volatile metal volatilizing and enriching is in flue dust under the high temperature such as plumbous zinc of part and indium, and the iron oxidation is enriched in the slag.

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    3, in the oxidizing semlting stage, sulfonium separates with slag, and it is low that slag contains detrimental impurity such as arsenic, sulphur.

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    4, in the oxidizing semlting process, adopt oxygen-rich air, thereby the flue gas of output contains so 2concentration is high, helps the recycling of sulphur in the raw material, has solved problem of environmental pollution well.

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    We can supply golden pyrite stone , 500 kg per month. the rate is 21 usd per kg. interested buyers please contact email - quazimineralgmail.com more...

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    Pyrite is brass yellow in color. it has a bright metallic lustrous looking stone. pyrite is very well known stone most common sulphide mineral. its chemical composition of iron disulphide is fes2. pyrite is considered to be an essential ore in production of sulfur sulfuric a more...

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    We are offering s-pyrites. soil improver. balances soil ph and should be added in highly acidic or highly alkaline soils for better yields. more...

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    Sep 15, 2003nbsp018332the effect of microwave heating on magnetic processing of pyrite was investigated. ... microwave assisted drying and anhydration, microwave assisted mineral leaching, microwave assisted roasting and smelting of sulfide concentrate ... the temperature of the test sample in the oven was measured continuously using a stainless steel-sheathed, k ...

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    Q. dear sir, i am trying to find some solution or formula that can give me the gold color for decorative purposes without the use of gold in electroplating process i have heard about some alloys that contain copper amp tin that would give me some great result. thank you in advance for your help

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    A. hi there, its true that you can get a yellowish colour for a top coat which is called yellow bronze - alloy of copper 85 and tin 15 but the finish may not be as similar as gold finish and also the tarnishing ability is very high its major application is for nickel free process. the best works out for you is electrophoretic gold colour process which is very popular these days ... with a good gold and many more colours, and durability ... cha cha cha

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    The manufacture of cast metal relies on furnace technologies, since metals usually melt at very high temperatures. the first smelting of ores in human history were lead and tin, which can be melted in the heat of the cookfire. after that, metallurgy needed something more than wood flame. the first copper may have been smelted accidentally in a pottery kiln, which runs at least 200c hotter than a campfire, but lack of written record makes it hard to be sure.

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    After the tank is filled, electrodes are placed into the metal, and an arc of electricity passes between them. as the metal begins to melt, the electrodes may be pushed farther into the mix or pulled apart to create a larger arc. heat and oxygen might be added to speed the process. as molten metal starts to form, the voltage can be turned up, as the slag created on top of the metal acts like a protective blanket for the roof and other components of the eaf.

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    All furnaces on the foundry floor face a fatal enemy steam. water, even in small amounts, can cause splashing or explosions, and so all scrap and ferroalloys, as well as every tool used in production, must be dry before use. scrap metal must not have any closed areas in which water or vapor may have been trapped. even the tools used by the foundry workers must be free of condensation or moisture. many foundries have a drying oven to make sure that scrap and tools are bone dry before anything touches the casting furnace.

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    The pyrite combustion experiments are performed in a drop-tube arrangement, consisting of a cylindrical stainless-steel reaction zone, heated by a controlled electrical furnace. the laboratory scale combustion setup highlighting the main components can be seen in figure 1. the furnace operating temperature is set to 1273 k for all tests.

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    Dec 14, 2006nbsp018332stainless steel, for instance, is an alloy of chromium and nickel. in addition to carbon, hot metal and pig iron may contain unwanted elements such as silicon, phosphorus and sulphur. during the steelmaking process, these elements, which make steel brittle, must be removed.

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