Metallurgical   Equipment

    • Patent # 2166843
    Nonconsumable electrode.
    The offered design of a nonconsumable electrode, manufactured of non-carbon material makes it possible to improve its electrical characteristics 6-8 times. Durability of the electrode increases due to its electric characteristics.
    It can be used at the operations of ferrous and non-ferrous metallurgy for the furnaces with the electrodes submerged into slag melt.

    • Patent # 2176856
    Nonconsumable electrode for ore smelting and cleaning multislag electric furnaces.
    This electrode is made of non-carbon material and there is no need in its build-up or relief in the process of operation in contrast to self-baking, graphitized and carbon electrodes. Current density of the above mentioned electrodes is about 50 A/cm3.
    The electrode can be used for replacement of self-baking and graphitized electrodes in functioning ore smelting and cleaning furnaces of non-ferrous metallurgy operations.

    • Patent # 2158062
    Method of nonconsumable electrode protection in slag melt.
    The injection into a melt of reduced hydrocarbon containing gas under certain parameters makes it possible to prevent electrode consumption, which is made of a material on the basis of iron.
    It can be applied in the design of ore smelting and cleaning electric furnaces in non-ferrous industry.

    • Patent # 2021571
    Section of an electric furnace roof.
    The invention provides 6-10 times decrease of a roof heat loss as compared with a conventional water-cooled roof, that brings it to the level of a refractory roof heat loss. Reduces operating costs.
    Can be used at the operations of non-ferrous and ferrous metallurgy.

    • Patent # 1822438
    Device for natural gas injection into converter lances.
    The device provides in-service reliability increase as well as safe service due to gas collecting main being situated inside air lance collector higher than blast box at an angle of 45-69o to horizontal line.
    Can be used at the operations of metallurgical and chemical industry.

    • Patent # 1779057
    Plant for cooling metallurgical furnace nodes.
    Provides quick start-up, stable operation under different heating rates, explosion-proofness when cooling element is broken.
    Can be used for heat-beat aggregates cooling in non-ferrous, ferrous and other industries.

    • Patent # 1740267
    Bucket elevator.
    Provides operating costs decrease and higher performance reliability while conveying metallic pellets, heated to 250-3500, in aggressive and toxic mediums. Has been used in carbonyl nickel pellets production.
    Can be applied at the operations of ferrous and non-ferrous metallurgy.

    • Patent # 1716875
    Electric furnace bath lining.
    Increases furnace life 2-3 times and provides lower operating costs.
    Can be used at the operations on ferrous, non-ferrous and chemical industries.

    • Know-how
    Smelting furnace bath lining.
    Increases furnace life about 1,5 times, due to significantly lower lining wearing.
    Can be used at the operations of ferrous and non-ferrous metallurgy as well as in chemical industry.

    • Know-how
    Carbon-graphite and carbon-ceramic lining of smelting furnaces baths
    Provides increase of furnaces power density and decrease of operating and repair costs.
    Can be used at the operations of non-ferrous and ferrous metallurgy, at glass-melting works.

    • Know-how
    The method and the aggregate for oxidised nickel ores processing.
    Highly multiple use of ore raw material is provided, due to nonwaste technology with the possibility to produce such commodities as high quality ferronickel, cuprous ferronickel or nickel ligatures in a high-capacity ore-smelting furnace with more than 4 years furnace run.
    Can be used at non-ferrous metallurgy operations.

    • Know-how
    Flash filling of non-ferrous metallurgy aggregates lining.
    A universal method easily adapted for different types of lining repair in various aggregates of non-ferrous metallurgy under any temperature. Provides higher quality of coating, lower operating costs, lower refractory material consumption, requires less manual labour with simultaneous increase of the aggregate campaign.
    Can be used at the operations of non-ferrous and ferrous industry, at the operations of chemical (glass-melting) industry.

    • Know-how
    Method of hollow nonconsumable electrode protection.
    Provides output and service ability increase on the account of the electrode tip made of carbide-forming material, creating protective surface layer due to which the tip does not fuse.
    Can be used in electrodes design, applied in electric furnaces of non-ferrous industry.

    • Know-how
    Method of electrode protection in slag melt.
    Provides decrease of scare carbonic material consumption 3-5 times with the protection of the submerged part of electrode. Durability of lances for slag melt blowing increases 4-6 times.
    Can be used in non-ferrous metallurgy for ore smelting and cleaning furnaces.

   Pyrometallurgical Technologies

    • Patent # 2176276
    Method for cleaning slags, containing heavy non-ferrous and noble metals.
    Provides the increase of slag cleaning process intensity with the residual non-ferrous metals content up to 0,05%. Helps to decrease cost per unit and reduction gas consumption.
    Can be used at the operations of non-ferrous metallurgy.

    • Patent # 2166553
    Processing of copper metal waste.
    Provides wastes smelting, their converting and refining in one aggregate - a vertical converter with top blast, thus simplifying processing and equipment. Makes it possible to produce final copper-containing product of required composition with 98-98,5% copper content.
    Can be used at non-ferrous metallurgy works for secondary copper-containing products processing.

    • Patent # 1734389
    Method of sulphide copper-containing concentrates continuous smelting.
    Provides processing of copper-containing raw material with different composition (copper sulphide, copper-nickel concentrates and intermediate products - matte, clinker, etc.) as well as processing of sulphur concentrates under autogenous mode with 90-93% copper content in final product and rich in sulphur dioxide gas due to creation of tree-layer melt bath.
    Can be applied at copper smelting and nickel works of non-ferrous metallurgy.

    • Patent # 1565044
    Method of ore electrosmelting.
    Provides 2-3 increase of smelting furnace capacity and 35-40% decrease of specific power consumption.
    Can be used at non-ferrous metallurgy operations.

    • Know-how
    Method of slags cleaning.
    Provides a possibility to operate in continuous or periodic mode, decreases power consumption and increases output. Non-ferrous and noble metals content in waste slag does not depend on their content in the initial raw material and in the collector phase. Provides the possibility to clean the slags, obtained in the result of smelting products with non-ferrous metals (Cu, Ni, Co, Zn, etc.) and (or) noble metals Au, Ag, Pt, etc.) content.
    Can be used at non-ferrous metallurgy operations.

    • Know-how
    Production of nickel-containing ligature from poor oxidised nickel ore. The technology provides production of Fe-Ni ligature, containing temper (Ni, Cr, Si, Cu, Co) and carbon in optimal ratio. It decreases cost price, increases nickel and temper recovery.
    Can be used at non-ferrous metallurgy works.

    • Know-how
    Technology for ferronickel production from oxidised nickel ore.
    It provides the possibility to produce ferronickel of different composition from one and the same ore, including ferronickel with more than 20% nickel content from the ore where its content is less than 1%. Decreases power consumption as well as capital and operating costs. Makes it possible to use different types of fuel (black oil, natural gas, and carbon dust) and as a reducer - practically any solid fuel with carbon content.
    Can be used at non-ferrous metallurgy works.

    • Know-how
    Tin-containing ores and concentrates fuming.
    Provides pyrometallurgical benefication of poor tin concentrates (1-10% Sn), of concentrating and metallurgical operations wastes (0,5-3% Sn) as well as of intermediate products with production of rich in tin sublimates with further recovery from them up to 90% of tin and poor waste slags. Can be used for processing of raw material with high sulphur content (25-30% S). The use of different types of natural fuel is admitted. Provides high specific output and low fuel consumption.
    Can be used at tin operations.

    • Patent application # 2001112672
    Method of iron-manganese nodules processing.
    Reduction electric smelting of high-phosphorous iron-manganese nodules enables to recover all the valuable components to semi-products suitable for further processing.
    It is possible to employ the above method at non-ferrous metallurgical operations.

    • Patent application # 2002117626
    Method of sulphide materials fluidized-bed roasting.
    The sulphide materials roasting in fluidized-bed furnace with blow feeding to the above-layer space allows to decrease sulphur content in dust to the level of 0,8-0,9% with production of dust as a product suitable for hydrometallurgical treatment.
    The above method employment is possible at non-ferrous metallurgical operations.

    • Patent application # 2002119478
    Method of carbon ferrochrome production.
    The process of carbon ferrochrome production with partial substitution of high-cost coke reductant for that of less expensive.
    There is a potential to apply the above method in ferrous metallurgy.

   Hydrometallurgical Technologies

    • Patent # 2167101
    Method of tiosulphates production.
    Provides the process simplification due to the fact that there is no necessity of the initial reagents preheating up to the temperature at which the process of tiosulphates production in an autoclave takes place.
    Can be used in chemical and metallurgical industries.

    • Patent # 2114195
    Method of processing sulphide raw material with pyrrhotite content.
    Provides nickel recovery increase by 4-6%, the increase of oxidised slurry condensability (3 times) and production of the solutions suitable for direct non-ferrous metals precipitation without preliminary iron removal.
    Can be used at non-ferrous metallurgy operations for processing sulphide raw material with non-ferrous metals content.

    • Patent # 2114194
    Method of processing materials with sulphur content.
    Makes it possible to avoid sulphur loss with the solution and to achieve 94 % of elemental sulphur recovery as well as allows simplifying effluents recycling.
    Can be used in chemical industry for elemental sulphur production.

    • Patent # 2075547
    Method of copper electrolytic regeneration from sulphuric electrolytes.
    Provides significant decrease of harmful aerosols content over electrolytic cell surface and in particular: nickel aerosol content is decreased 19-20 times, those of copper - 13-17 times, of sulphuric acid - 18-22 times. With conventional methods application aerosols content can be decreased 6 times.
    Can be used at electrolysis operations of metallurgical industry, machine-building, and radio electronics industry.

    • Patent # 2188161
    Method for spherical nickel hydroxide production and a device for this method fulfilment.
    Provides production of homogenous, in terms of granulometry, spherical nickel hydroxide and requires simplified equipment. The produced material is used for Ni-metal hydride batteries manufacturing.

    • Application for a patent # 2001100649
    Method of processing sulphide copper-zinc raw material with iron content.
    This method provides production of concentrated zinc solutions with zinc content 110-130 g/dm3, which are suitable for metal zinc production without additional operations use. It also increases copper recovery to 65-80% with the least transfer of iron into solution.
    Can be used at the operations where sulphide raw material with non-ferrous metals content is processed by hydrometallurgical methods.

    • Patent # 2182183
    Method for precipitation of non-ferrous metals from solutions.
    The use of calcium tiosulphate slurry instead of calcium tiosulphate solution makes the process cheaper excluding the step of solution separation from solid component of slurry. This method also allows to decrease precipitant consumption whereas sulphide formation process becomes quicker, gypsum crystals formation occurs quicker as well and slurry with better flotation factor are produced.
    Can be used at non-ferrous metallurgy operations.

    • Application for a patent # 200111255
    Method for spherical nickel hydroxide production.
    This method provides a closed loop nickel hydroxide production with predetermined properties and without toxic reagents use.
    The produced material is used for Ni-metal hydride batteries manufacturing.

    • Application for a patent # 200135731
    Method of noble metals selective concentrates production. Provides the possibility to separate platinum group metals from non-ferrous metals in one leaching stage, excluding the necessity of their treatment with sulphuric acid under high temperature.
    This method can be used for copper-nickel and copper sludge processing as well as for other intermediate products with precious metals content.

    • Know-how
    Autoclave technology of clad powder composite materials production.
    It provides the possibility to produce composite powder materials on metal powders, non-metals, carbides, nitrides, borides base, as well as other metals compounds, clad with nickel, cobalt, copper and having such properties as wear resistance, heat resistance, corrosion resistance, friction and antifriction properties.
    Can be used at any operation interested in own production of composite powders.

    • Know-how
    Recycling of iron containing solutions with ferrioxide pigments production.
    This method makes it possible to produce ferrioxide pigments with input properties, having high quality and wide range of colour shades - from yellow to red and dark cherry.
    Can be used at the operations of non-ferrous and ferrous industries, for paintwork materials production and other industries, having solutions with iron content.

    • Know-how
    Autoclave-sorption technology for processing of hard gold-containing ores and concentrates.
    It provides gold recovery increase from hard raw material? Accompanied with non-ferrous metals recovery and facilitates harmful effluents recycling.
    Can be used at gold-mining industry operations and in non-ferrous metallurgy.

   Environment Protection

    • Patent # 2147455
    Sedimentation tank for sludge precipitation and dewatering.
    The increase of purification effectiveness on precipitation of fine-dispersed, disposed to aggregation sludge.
    Is used at the enterprises busy with industrial effluents treatment.

    • Patent # 2126847
    Method for domestic and industrial waste processing.
    Provides decrease of capital costs required on supplying a furnace with energy resources, dust-trapping and power consumption. Is helpful in complete decomposition of detrimental emissions: dioxins and furans, as required by maximum permissible concentration norms. Increases non-ferrous metal recovery into commodity goods.
    Can be used in the industry busy with waste processing: domestic and industrial waste (metallurgical operations slags, sludge and cake of chemical and electroplating operations, treatment plants sand and sludge, containing heavy ferrous and non-ferrous metals, as well as waste from woodworking operations).

    • Know-how
    Plant for recycling of spent galvanic solutions and for wastewater thermal desalination.
    Provides output by evaporated water 50kg/hour, non-ferrous metal recovery up to 99,5%, power consumption decrease 6-8 times as compared with conventional plants, 1,5-2,5 times decrease of steel intensity.
    Can be used at the operations of metallurgical, chemical, machine-building, radio electronic and other industries.

    • Patent application # 2002103645
    Method of elemental sulphur production from off-gases.
    Off-gases cleaning from SO₂ with elemental sulphur production allows to eliminate up to 90% of sulphur from gas flow thus reducing costs for the cleaning technology.
    There is a potential to use the above method in chemical, petrochemical, and metallurgical industry.

   Carbonyl Technologies

    • Patent # 2161549
    Method of production nickel powders with open-chain structure and bulk density less than 10 g/cm3.
    Production of carbonyl nickel powders with pre-set properties provides high porosity and low shrinkage of sintered bars and more complete filling of sintered porous bed die with active material, that brings to the increase of chemical power sources energy output.
    Can be used in nickel carbonyls production.

    • Patent # 2073931
    Method of powder composite material production.
    Produced composite material makes it possible to prevent environment impact on the alumina-barium component of getter units in electronic devices, increases its corrosion resistance, helps to increase storage time of the products made on its base.
    The produced material can be used in electronic devices manufacturing, in particular electron-beam tubes for TV.

    • Patent # 1607199
    Method of carbonyl nickel pellets production.
    This method provides nickel pellets quality increase due stable level of sulphur content (0,01-0,03%).
    Can be used in carbonyl nickel production.

    • Know-how
    Method of nickel belt continuous production and a device for its fulfilment.
    Provides nickel belt quality increase due to even thickness of layer through all length and width of generated belt.
    Can be used at nickel works.

   Technology Of Special-Purpose Materials Production


    • Patent # 2152605
    Method of production standard samples of copper oxide composition for spectrum analysis of noble metals content.
    Provides production of standard samples of copper oxide composition for commodity metals chemical and spectrum analysis, including metals of high purity, powders, alloys and (or) oxides with Ni, Co, Cu and Fe content.
    Can be used at the operations of non-ferrous industry, by analytical companies, by the companies producing chemical reagents.

    • Application for a patent # 2000117863
    Determination of impurities in nickel, copper, cobalt metals and their powders with the use of synthetic oxide standard samples.
    The duration of determination process decreases and the process itself becomes less labour intensive.
    Can be used at the operations of non-ferrous industry, by analytical companies, by the companies producing chemical reagents.

    • Know-how
    Technology for porous goods and materials production and a device for its implementation.
    Provides production of copper, titanium, tantalum, stainless steel, plastic goods and goods of other materials with controlled porosity and pores size (closed and one-side open pores not more than 7%). Minimal steam generator loss, low level of materials contamination with the products of vapour generator decomposition.
    Can be used at the operations of ferrous and non-ferrous metallurgy and in machine-building.

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