Dehydration method of carnallite raw materials and device for its implementation |
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IPC classes for russian patent Dehydration method of carnallite raw materials and device for its implementation (RU 2359911):
  
 Assemble for reprocessing of powdered lead- and zinc-containing raw materials / 2359188
Invention relates to ferrous metallurgy, mainly to devices for reprocessing of powdered lead- and zinc-containing raw materials, in which there can be copper and precious metals. Aggregate for reprocessing of powdered lead- and zinc-containing raw materials contains rectangular upright smelting chamber with burner facility, gas cooler stack, partition with water-cooled copper elements, separating smelting chamber from gas cooler stack, electric furnace, separated from the smelting chamber by partition with water-cooled copper elements, coffer chord, facilities for discharge of smelting products, bottom, herewith correlation of difference of level of bottom edges to distance from the smelting chamber crown to bottom edge of partition, separating electric furnace from the smelting chamber, is 0.15-0.29, and relation of distance from bottom edge of this partition up to bottom to difference of level of bottom edges is 1.25-2.10. On walls of gas cooler stack of aggregate there are installed not more than two tuyers on the level of bottom edge of partition, separating gas cooler stack from smelting chamber, with inclination into the side of bottom on-the-mitre to horizontal plane, specified by formula α=arctg(k-ΔH/B), where α - angle of tuyers slope; k - coefficient of angle of tuyers slope, equal to 1.11-1.25; ΔH - difference of level of bottom edges of partitions; B - inside width of gas cooler stack. At mounting of two tuyers they are located by one on each of opposite side walls of gas cooler stack with reflector displacement relative to its cross-axial section. Additionally each of it is located at a distance of cross-axial section of gas cooler stack, relation of which to inside length of gas cooler stack is 0.25-0.30.
 Liquid-phase furnace for smelting materials containing ferrous and nonferrous metals / 2348881
Invention relates to metallurgy and, particularly, to the plants for continuous processing of oxidised nickel-containing ores, slag and dust. The liquid-phase furnace includes rectangular caisson-type well with lined walls being situated underneath. The well expands in the upper part. It is provided with top and bottom tuyeres. The well is separated into smelting and recovery chambers by a transverse partition. The chambers are interconnected through the window for smelt cross-flowing in the lower part of the transverse partition. The furnace also includes staggered or tilted hearth, slug discharge trap and electrodes being merged into the smelt. The electrodes are installed in slug release trap with their heat-generating ends being placed on the border of slug phase and metal phase separation in the trap. Besides, the trap volume is more than 10 times less than the recovery chamber volume.
 Furnace of magnesium continuous refinement / 2348715
Invention concerns devices for refinement of magnesium. Furnace of magnesium continuous refinement with salt heating includes lined cylindrical casing installed inside on supports alloying basket with central vertical channel, crown, introduced through side wall lower than alloying basket electrodes and bottom with bevels. At that distance from bottom till electrodes is 200-300 mm, and distance from electrodes till alloying basket is 1.0-2.0 of electrodes height. Electrodes are located symmetrical relative to vertical axes of furnace and relative to each other. In crown above electrodes there are implemented manholes with covers. Supports of alloying basket bear on electro- insulating supports or gaskets, and top edge of electrodes is implemented as bevel. Diameter of bottom horizontal part is 0.5-0.95 of distance between diametrical electrodes.
 Method of treatment hard gold-arsenical ores and concentrates and furnace for its implementation / 2348713
Invention concerns treatment of hard gold-arsenic ores. Particularly it concerns antimonous sulphide ores and concentrates. Method includes without oxidising melting in smelting chamber with receiving of matte and slag melts and treatment of melting products by metallic phase. At that without oxidising melting is implemented continuously in circulating melted slag with out of melting products into settling chamber to interphase boundary slag - matte. Before melting circulating melted slag is separated from operating gases. For circulating it is used maximum separated from matte slag. Treatment of matte by metallic phase is implemented in continuous operation. Furnace for processing of hard gold -arsenic ores and concentrates includes smelting chamber. Furthermore, it is outfitted by recycling contour, containing of gas-lift unit with tuyeres and descending and ascending channels of melted slag, gas separating and settling chambers. Gas separating chamber is communicated with smelting chamber through bleed blowhole by means of channel for separation of working gas of gas-lift unit and gas separating chamber from circulating melted slag. Smelting chamber immersed into settling chamber to interphase boundary slag - matte. Settling chamber contains gas flue for withdrawal of sublimates and low blowing melting products.
 Furnace for continuous melting of sulphide materials in molten pool / 2347994
Invention refers to metallurgy, particularly to devices for continuous processing of sulphide ores and concentrates containing copper and/or nickel. The furnace consists of a caisson stack with tuyeres, of a facility for charge loading, of two transverse partitions not reaching a bottom thus forming overflow ports for melt; the said partitions divide the stack into a melting chamber, a reduction chamber and a chamber of settling; the furnace also consists of a device for tapping of molten products and of individual facilities for gas exhaust from the melting and reduction chambers. The partition dividing the melting and reduction chambers pressure tight separates gas space between the chambers. The upper edge of the overflow port into the settling chamber is located above the upper edge of the overflow port between the melting and reduction chambers, while the devices for tapping molten products from the furnace are arranged from the side of the settling chamber.
 Vanyukov furnace for melting materials containing non-ferrous and ferrous metals / 2336478
Invention relates to metallurgy branch and particularly to oxidized nickel ore processing to matte or ferronickel. Vanyukov furnace contains coffered well, which is rectangular at bottom and expanding in top part and separated by cross wall into melting and reduction chambers, staggered or tilted hearth, siphon with openings for sludge and metal containing phase discharge. Tuyeres are displaced along periphery of well walls. Chambers contact between each other through the window for melt flowing in low part of cross wall. Furnace is provided with tuyere adjusting melt flow volume through window for melt flow and its heating. It is located under the level of the said tuyeres by 5-8 diameters of their aperture. Rectangular walls of melting and reduction chambers of furnace are lined and conjugated along the whole height of cross wall through temperature compensated vertical clearances closed by coffered part of well walls from one side and by cross wall end from the other side. Cross wall is made high-refractory. Invention ensures increase of operation duration or reliable operation due to exclusion of crust formation in melt flow window from one chamber to another and avoidance of lining damage in rectangular part of furnace well and reduction of coolants flow rate.
 Method of melting of ferronickel out of oxidised nickel ores and products of their concentration and assembly for implementation of this method / 2336355
Inventions refer to metallurgy and can be used fro production of ferronickel with various contents of nickel out of Ural and other oxidised nickel ores. The assembly is equipped with injectors for blowing dust into slag melt, the said dust caught in gas cleaning system while carried out with exhaust gases out of a chamber. Fuel oxygen burners are installed in side walls of the chamber above the level of the slag melt at 0.5-1.2 m at an angle of 15-60° to the surface of the melt and at an angle of 35-65° to the lengthwise axis of the assembly, while nozzles of the injectors for blowing into the slag melt carbon containing materials and dust caught in gas cleaning and carried off with exhaust gases out the chamber are installed at 0.25-0.60 m above the level of reduced metal. Heat exchangers of cooling circuit of liquid metal heat carrier are connected via nitrogen lines with injectors installed in the walls of the chamber, the said injectors facilitate injection of carbon containing materials and caught in gas cleaning and carried off by the exhaust gases out of chamber dust in a stream of heated nitrogen.
 Plant for research of objectives at high temperatures / 2322646
The plant has a working chamber with a loading port made for its shut-off, device for attachment of the objective and at least one fuel trap with swirl injectors located inside the chamber, fuel tank connected to the device for fuel supply, pipe for fuel feed to the trap, whose one end is connected to the device for fuel supply, and the other-to the trap, ignition device. In addition, the installation has a cooled coil with an adjustable gate valve at its outlet and a fuel temperature-sensitive element installed at its inlet, at least one pipe for discharge of fuel from the fuel trap, whose one end is connected to the upper surface of the fuel trap on the side opposite the point of connection to it of the pipe of fuel supply, and the other end is connected to the inlet of the cooled coil, whose outlet is connected to the fuel tank through the adjustable gate valve. The swirl injectors are provided with branch pipes made for fuel supply to the injectors from the bottom surface of the fuel trap.
 Furnace for refining magnesium / 2320944
Furnace for refining magnesium includes jacket with lined bath where electrodes are arranged; supports arranged on hearth of furnace for supporting bell with central branch pipe. Said bell and bath are mounted coaxially one to other and they have cylindrical shapes with relation of their diameters (0.8 - 0.9) : 1. Branch pipe of bell is embedded under roof having opening. Novelty is that distance between electrodes and furnace hearth consists 14 - 15% of height of lined bath of furnace; distance between lower cut of bell and furnace hearth consists of 10 -15% of height of line bath. Branch pipe of bell is protected by means of cast iron coating.
 Method and device for compaction of porous substrate by the gaseous phase chemical infiltration / 2319682
Invention is pertaining to the field of compaction of porous substrates by- the gaseous phase chemical infiltration. Exercise loading of substrates exposed to compaction- into the furnace loading area; heat up substrates in the furnace up to their temperature, at which the required substance of the mold will be formed from the gaseous source or sources contained in the gas-reactant. Then- on the one hand of the furnace inject gas-reagent and heat it up after injection- during its transit in the furnace through the gas heating area located- in the direction of the gas-reagent travel through the furnace in front of the loading area. Gas-reactant is exposed to preheating before its injection in the furnace for reaching prior its injection in the furnace of the temperature intermediate -between the environment temperature and the substrates preheating temperature. Installation includes the furnace, the area of substrates loading in the furnace, the means of heating of substrates in the loading area, at least, one hole for the gas-reagent injection in the furnace and, at least, one heating area of the gas-reagent disposed in the furnace between the hole of the gas-reagent injection and the loading area. Installation also contains, at least, one gas preheating device disposed out of the furnace and connected, at least, with one hole used for injection of the gas-reagentin the furnace and ensuring- preliminary heating up of the gas-reagent before its injection in the furnace. The presented method and the device allow to reduce significantly the temperature gradient in the whole area of loading without usage of the large the volume of the gas-reagent heating area.
 Dehydration method for chlorine-magnesium raw materials and facility for its implementation / 2339577
Dehydration of chlorine-magnesium raw materials is implemented sequentially in chambers of fluid-bed furnace by fuel gases, received at burning mixture of natural gas and air in furnace extension. For raw materials cooling into angled cap of gas-distributing grating it is fed air. Dust and gases of combustion are picked up in cyclones. Heated air outgoing from angled cap of gas-distributing grating is collected in reservoir and fed through facility for feeding of air into boiling bed of the first chamber of furnace counterflow to dust movement and gases into cyclone. Facility includes multichamber kiln of boiling bed implemented in the form of furnace body with nipple for raw materials feeding and withdrawal of finished product, with particles with down windows, forming chambers, gas-distributing grating in the form of bottom with cutouts on which there are installed angled cap, furnace extension and cyclone. Furthermore, it is additionally outfitted by facility for air feeding, located in the first chamber of furnace over down windows of particle parallel to bottom grating, fixedly connected from one side with furnace body, and from other side with reservoir for collection of heated gases and implemented in the form of curved tube with cutouts in the form of grooves or round.
Method of dehydration of chlorine magnesium salts in multichamber furnace of boiling bed / 2334829
Invention refers to non-ferrous metallurgy, particularly to electrolyte production of magnesium, specifically to preparation of chlorine magnesium raw material for magnesium electrolysing by means of its dehydration in furnace of boiling bed. The method of dehydration of chlorine magnesium salts in a multichamber furnace of boiling bed includes feeding of raw material, its successive dehydration in the chambers of the furnace, burning of natural gas and air in a fire box producing fuel gases, feeding of fuel gases to create aerated layer, supply of air into a cavity of gas distributing grid for cooling, and return of heated air; at that initially air is supplied for cooling into a pressure tight cavity of the gas distributing grid; then heated air is collected in a collector and directed to the fire box of the furnace for burning of natural gas. The ratio of heated air and natural gas is maintained equal to (1.05-2.5); heated air is supplied for burning of natural gas at temperature exceeding 150°C, air is supplied into the cavity of the gas distributing grid at a rate of 20-30 m/sec.
Method of dehydration of chlorine-magnesium raw material / 2334679
Method includes dehydration of chlorine-magnesium raw cmaterial at first stage in chambers of furnace of boiling layer by means of supplying fuel gases into raw material layer, cooling of gas distributing grid of furnace, supply of chlorine-magnesium raw material for the second stage of dehydration in chlorinator, withdrawal of exhaust gases and catching of dust in cyclones Exhaust gases produced in chlorinators of the second stage of dehydration of chlorine-magnesium raw material are supplied for cooling of the gas distributing grid, while heated at that exhaust gases are mixed with fuel gases and produced mixture is supplied into a boiling layer of all furnace chambers.
Method of carnallite dust handling from fluid-bed furnace scrubber / 2333153
Method includes feed into fluid-bed furnace, its dewatering, and dust collection in scrubbers with further its extraction from scrubbers. After dust extraction from scrubbers it is melted in tank at temperature 500-580°C. Into melted carnallite dust it is added melted magnesium chlorides at mass ratio melted carnallite dust to melted magnesium chlorides equal (4-6):1. Received compound is warmed up till temperature 720-850°C, is settled during 0.5-2.0 hours and directed to the further usage as raw material for electrolytic production of magnesium and chlorine. In the capacity of melted magnesium chlorides it is used by-product of spongy titanium production.
Method for dehydration of raw carnallite in fluidised bed three-cell furnace / 2323880
Dehydration of raw carnallite is carried out in fluidised-bed three-cell furnace. The third cell of the furnace is divided into half-cells by means of partitions with overflow windows. In the first cell, raw material is dehydrated by supplying a mixture of natural gas combustion products and air into the raw material layer, while in the second and third cells - by supplying flue gas resulting from combustion of natural gas, air and chlorine gas. Product is gravitated continuously from one of the first upstream half-cells of the third cell and at regular intervals of 0.1-0.5 h from the last half-cell of the third cell through the discharge fitting, when fluidised bed level rises over the overflow windows. Amount of the product being discharged depends on amount thereof in the layer between the discharge fitting and partition overflow window. In intermittent mode of the furnace operation, uniform height of fluidised mass in each cell is maintained. Deep-dehydrated carnallite is discharged from the last half-cell of the third cell of the furnace, when temperature of 280-360°С is reached.
 Method of dehydration of the chlorine-magnesium feedstock and the device for its realization / 2309896
The invention is pertaining to the field of the nonferrous metallurgy, in particular, to preparation of the chlorine-magnesium feedstock to the process of the electrolytic production of the magnesium out of the fused salts. The method of dehydration of the chlorine-magnesium feedstock in the multi-chamber furnaces melt layer provides for feeding of the raw material into the furnace, relocation of the feedstock from the chamber to the chamber at treatment of it with the flue-gases produced at burning of the natural gas, the air and chlorine in the hearth and fed through the angle bar into the layer, cooling by the air of the upper part of the angle bar over the horizontal partition, trapping of the outgoing gasses. The direction of the air movement in the upper part of the angle bar over the horizontal partition is exercised zigzagging by the air transition from one section into the following one. At that the air is fed into the upper part of the angle bar at the speed of 20-30 m\s. The device is made in the form of the multi-chamber furnace of the fluidized layer and includes: the body with the fitting pipes used for the feedstock inlet and the finished product outlet; the partition of the furnace; the gas-distribution tube plate with the holes, over which there is the gas-distribution angle bar rigidly connected to the gas-distribution tube plate by its ribs and separated by the horizontal partition for the upper and the lower parts; the windows for outlet of the flue-gases; the cyclones located on one axis to the holes and shifted concerning each other; the gas-trapping cyclones for trapping of the gases. The device is additionally supplied with the guiding angle bars, which are located in the upper part of the angle bar above the horizontal partition and form the sections. At that the guiding angle bars are mounted between the cap holes and are equally spaced from the axis of the cap and made in the form of the rectangular triangle rigidly connected alternately to each of sides of the angle bar. At that the hypothenuse is attached to the interior side of the angle bar, and one of legs - to the partition of the angle bar. The invention allows to increase the service life of the fluidized layer furnace, to improve the quality of the dehydrated carnallite.
Method of dehydration of magnesium chloride raw material / 2309895
Proposed method includes loading the raw material into multi-chamber fluidized-bed furnace and moving this material through row of horizontal chambers of furnace at conversion of crystalline hexahydrate into dihydrate in second chamber, thus obtaining dehydrated carnallite in third chamber at simultaneous treatment with flue gases containing hydrogen chloride. Crystalline dihydrate is mixed with solid salt of sodium chloride in second chamber of furnace, thus obtaining mixture of dehydrated carnallite and sodium chloride at mass content of water in mixture not exceeding 15-20%. Mixture thus obtained is dehydrated first at temperature of 180-190C and then at temperature of 190-360C.
Method of production of the enriched carnallite / 2308417
The invention presents the method of production of the enriched carnallite and is pertaining to the chemical technology of the inorganic substances, in particular, to the technology of production of the enriched carnallite from the natural ores in compliance with the halurgy technology and may be used at the chemical enterprises producing the enriched carnallite. The offered method of production of the enriched carnallite provides for dissolution the carnallite ore by the mother alkali liquor, clarification of the saturated mother alkali liquor, the vacuum-crystallization of the carnallite from the saturated mother alkali liquor, thickening and centrifuging of the carnallite. The sediment of the carnallite received after the stage of the centrifuging is treated with the carbamide solution in the quantity of 0.01÷1.00 % from the mass of the sediment. The invention allows to prevent reduction of the output of the enriched carnallite.
Method of reprocessing of the dust wastes formed at dehydration of the chlorine-magnesium raw materials / 2276101
The invention is pertaining to the field of non-ferrous metallurgy, namely, to dehydration of the chlorine-magnesium materials (carnallite) for the electrolytic production of magnesium, in particular, to reprocessing of the dust wastes trapped in the cyclones and gas ducts. The method of reprocessing of the dust wastes formed at the dehydration of the chlorine-magnesium materials provides for feeding of carnallite into the furnace boiling bed, its dehydration, the dust trapping in the cyclones, extraction of dust from the cyclones and its return to the stage of the dehydration, extraction of the dust waste from the pipe ducts. Dust wastes after extraction from the pipe ducts are wash out in the reactor by water, treat with the solution of sodium carbonate with production of the suspension the magnesium hydrocarbonate. The suspension is fractionated for the solid magnesium hydrocarbonate and the filtrate. The magnesium hydrocarbonate is annealed with production of the commercial magnesium oxide, and the filtrate is heated up to formation of the solution saturated with potassium and sodium chlorides. Crystallize it and dry with production of potassium chloride and sodium chloride. The invention allows to produce as the commercial products - potassium and sodium chlorides, alongside with the magnesium oxide.
Synthetic carnallite preparation method / 2262483
Invention is dealing with preparation of magnesium chloride feed for electrolytic production of magnesium and chlorine. In order to obtain synthetic carnallite, magnesium chloride is first mixed with potassium chloride-containing reagent including magnesium oxide followed by dehydration of resulting mixture. Novelty resides in additionally introducing aqueous hydrochloric acid when mixing the two solutions so that mixture contains at least 2 g hydrogen chloride per 1 g magnesium oxide.
Method of dehydrating solutions of calcium or magnesium chloride / 2259947
Method comprises dehydrating solutions of calcium chloride or magnesium chloride in fluidized bed apparatus by spraying the solution in the layer through nozzles with control of granulometric composition of the dehydrated product by means of control of the spraying intensity, separating a portion of the finishing product and its processing by means of initial solution to produce suspension. In order to processing the portion of the finishing product, the initial solution is used that is composed of admixture that is difficulty soluble in the concentrated solution of the finishing product, the suspension produced is separated to extract nonsoluble admixtures, and the solution is directed to the dehydration in the fluidized bed apparatus. In order to processing a portion of the finishing product, the initial solution is used that is composed of such compositions as sodium chloride, potassium chloride, calcium sulfate , and calcium or magnesium hydroxy acid.
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FIELD: metallurgy. SUBSTANCE: group of invention relates to non-ferrous metallurgy, particularly to method and device for preparation of carnallite raw materials to the process of electrolytic magnesium recieving. According to the method carnallite raw materials are loaded and dehydrated in the furnace by fuel gas, dehydrated carnallite is separated in dust cyclone from withdrawn gas and fed into the melting cyclone, where it is heated by fuel gas, received in burner by means of chlorine burning in natural gas, it is melted and heated up to the temperature 700-800°C. After overheating mixture of fuel gas and molten waterless carnallite is fed simultaneously in the melt collector, where gas is separated from the melt by means of collision with partition and fed into the furnace to dehydration stage, and waterless carnallite is discharged. Unit includes furnace with nozzles for loading of raw materials and gas mixture withdrawal with waterless carnallite, with nozzle for feeding of fuel gas, dust cyclone, connected to the furnace by gas pipe, melting cyclone, connected by pipeline to dust cyclone and melt pipe with melt collecto, outfitted by burner for burning of chlorine, collector of the melt with discharge nozzle for melt. It is also outfitted by gas flue, connecting melt collector with furnace and outfitted by device for gas feeding additionally melt collector is implemented in the form of tank with partition and outfitted by additional nozzle, connected to gas pipe. EFFECT: group of inventions provides cost reduction for materials, electric power and equipment for dehydration of carnallite raw materials, to reduce raw materials losses and to increase productivity of unit operation. 9 cl, 1 dwg, 1 ex
The invention relates to ferrous metallurgy, in particular to a device for the preparation of carnallite raw materials to the process of electrolytic production of magnesium. There is a method of dehydration of carnallite (Ed. mon. The USSR № 700445, publ. 30.11.1979, Bul), including the pre-dehydration dehydrated carnallite in the molten state at a temperature of 800-1000°C in an atmosphere of glorieuses agent into the cyclone chamber in a tangential entry of gases into the chamber with the speed of 40-150 m/s as glorieuses agent use hydrogen chloride, which is obtained by feeding gaseous chlorine into the flame of the burning fuel. In the torch burning chlorine, interacting with water vapor into hydrogen chloride. Exhaust gases are sent to a preliminary dehydration of carnallite in the solid state, and the resulting anhydrous carnallite flows into a mixer, where at a temperature of 700-800°To defend it from solids and sent to the electrolysis process. The disadvantage of this method is that as the exhaust gases are served in the cyclone chamber at a high temperature, as in the upper part of the cyclone temperature of 1100-1200°C, and in the lower part of 800-900°C, then submit them directly to the stage of dehydration of carnallite is impractical because at this temperature the carnallite begins plavitsa to settle on the furnace hearth furnace, that does not allow the dehydration process. For this purpose, the gases must be cooled, which leads to additional cost and to high heat losses. The known method and device for dewatering of carnallite (Ed. mon. The USSR № 1108318, publ. 15.08.1984, bull. 30). The method includes downloading a partially dehydrated carnallite in a fluidized bed furnace with a water content of 3-5%, dehydration him in the furnace of the fluidized bed to a water content of 1% flue gases coming from the burner into the furnace through the gas distribution grid, and through the tuyere zone. Dehydrated carnallite comes out of the oven COP as tangential inlet and cyclone dust on boot outlet in the melting cyclone. In the melting cyclone carnallite is melted by heat, overheat to a temperature of 750-800°C, resulting in receive molten anhydrous carnallite, which is sent to the receiver of the melt. The temperature of the heating gases flowing into the melting cyclone of the burner is reduced to 450-500°C and the exhaust pipe, they are fed into the tuyere zone of the furnace KS. Dehydration in an oven COP and in the melting cyclone is conducted to the atmosphere of the hydrogen chloride produced by the combustion of chlorine in the mixture of natural gas and air in the burner. The circulation of hydrogen chloride in the installation perform the regenerator, which is used to extract hydrogen chloride and dlego further circulation in the installation by returning the captured hydrogen chloride. In the regenerator receive hydrochloric acid of low concentration (21 wt.%), which is then saturated vapors of hydrogen chloride to a strong concentration (32 wt.%). Receive the molten anhydrous carnallite, wt.%: 50-51 MgCl2, MgO of 0.5. Plant for dehydration of carnallite includes a fluidized bed furnace with the pipes for loading and unloading partially dehydrated carnallite, with the gas distribution grid of the tuyere zone, with a burner for combustion air. Dust cyclone is connected to the microwave CC and a melting cyclone. The melting cyclone is connected to the tuyere zone of the furnace of the fluidized bed, with a burner for the combustion of chlorine, with receiver melt and regenerator of hydrogen chloride containing absorption and distillation part. The receiver of the melt provided with a discharge pipe for removing melt. Installation can increase the degree of chlorine and improve working conditions. The disadvantage of this method is that dehydration in the cyclone is subjected to pre-dehydrated carnallite, which leads to high costs of training materials. In addition, the installation includes the additional tuyere zone, a burner in the furnace fluidized bed regenerator hydrogen chloride - all this leads to additional material and energy costs dehydration of raw materials. The known method and the moustache is the time for dehydrated carnallite raw materials (Ed. mon. The USSR № 945618, publ. 23.07.1982, bull. 27), the number of General characteristics adopted for the nearest equivalent prototype. The method includes downloading a partially dehydrated carnallite in a fluidized bed furnace with a water content of 3-5%, dehydration him in the furnace of the fluidized bed to a water content of 1% flue gases coming from the burner into the furnace through the gas distribution grid, and through the tuyere zone. Dehydrated carnallite comes out of the oven COP in the melting cyclone as tangential inlet and cyclone dust on boot outlet. In the melting cyclone carnallite is melted by heat, overheat to a temperature of 750-800°C, resulting in receive molten anhydrous carnallite, which is sent to the receiver of the melt. The temperature of the heating gases flowing into the melting cyclone of the burner is reduced to 450-500°C and the exhaust pipe, they are fed into the tuyere zone of the furnace KS. Dehydration in an oven COP and in the melting cyclone is conducted to the atmosphere of the hydrogen chloride produced by the combustion of chlorine in the mixture of natural gas and air in the burner. Exhaust gases together with the dust in the form of dehydrated carnallite from the furnace of the fluidized bed comes in a dust cyclone, in which gases are removed for gas purification and dust dehydrated carnallite in coaxial socket outlet is fed into the melting cyclone. As a result, the Euro is about getting anhydrous carnallite composition, wt.%: 30-51 MgCl2and 0.5 MgO, KCl + NaCl - rest. In addition, in the melting cyclone is a partial chlorination of the hydrolysis products formed during heating and melting of carnallite. The resulting melt flows from the melting cyclone in the receiver of the melt in the ladle is supplied to the electrolysis process. For implementing the method proposed plant for dehydration carnallite raw materials, including fluidized bed furnace, with a feed pipe for loading partially dehydrated carnallite, tuyere zone, with the gas distribution grid, with the reactor for combustion of chlorine and air, and a dust cyclone. Dust cyclone is connected to the melting cyclone. The melting cyclone is connected to the tuyere zone, with oven COP, with a furnace for the combustion of chlorine and receiver melt. The receiver of the melt provided with a discharge pipe for removing melt. Method and installation help improve the quality of carnallite and improve the utilization of raw materials and fuel. The disadvantage of this setup is the complexity of the design. So, the installation includes optional tuyere zone, a burner in the furnace of the fluidized bed - all this leads to additional costs for materials and equipment for dewatering of raw materials. In addition, the installation serves already partially dehydrated carnallite with a water content of 3-5%, which leads to updat the additional costs of pre-dehydrated carnallite raw materials. Dehydration is served a large amount of fuel supplied to the furnace COP through the gas distribution grid, and through the tuyere zone. The flow of exhaust gases from the melting cyclone in the tuyere zone requires high standards for seal installation, because the melting cyclone is under pressure. The technical result is to eliminate the disadvantages of the prototype and allows you to reduce the cost of materials (air and natural gas for burners), electric power and dewatering equipment carnallite raw materials and to simplify the technological scheme of processing of raw materials to the process of electrolysis due to: - exceptions may receive additional dehydrated carnallite raw materials; exceptions to the additional submission of the flue gas through the tuyere zone of the furnace KS; exceptions to the burner for supplying combustion gases directly into the oven for dehydration; - exceptions in the furnace gas distribution grid, - exceptions connection nipples located in the melting cyclone. In addition, the proposed invention allows to reduce the loss of raw materials and increase the productivity of plants for dehydration carnallite raw materials. The technical result is achieved by a method for dewatering carnallite raw materials, including download the ku carnallite raw materials and dehydration it in the furnace flue gases, Department of dehydrated carnallite in cyclone dust from the waste gases, the flow into the melting cyclone, heat and flue gases produced in the burner by the combustion of chlorine in natural gas, melting and overheating to a temperature of 700-800°C To produce anhydrous carnallite, loading it in the collection of the melt and unloading ready anhydrous carnallite, what's new is that after overheating the mixture of flue gases and molten anhydrous carnallite served simultaneously in the collection of the melt, where the gases are separated from the melt by the collision with the wall and served in the oven on a stage of dehydration. In addition, the combustion gases serves on the stage of dehydration at a speed of 1.0-2.5 m/sec. In addition, residual gases in the melting cyclone serves tangentially its conical surface. In addition, the temperature of the flue gases at the outlet of the collection of the melt is 400-600°C. For implementing the method proposed plant for dehydration carnallite raw materials, including stove with pipes for loading raw material and exhaust gas mixture with dehydrated carnallite, a pipe for supplying flue gases, dust cyclone, connected with the kiln gas duct, the melting cyclone is connected by a pipeline with a dust cyclone and rasplata with a collection of the melt and is equipped with a burner for the combustion of chlorine, proceedings of rspl the VA with inlet and outlet pipes to melt, what's new is that it is equipped with a flue connecting the collector of the melt from the furnace and provided with a device for gas supply, while the collector of the melt is made in the form of a vessel with septum and equipped with an additional pipe connected to the gas duct. In addition, an additional tube is located in the upper part of the collection of the melt. In addition, the furnace in the form of metal containers of cylindrical and conical parts. In addition, a pipe for supplying a flow of gases is placed in a furnace axially. In addition, the nozzle to the substrate and the nozzle for supplying flue gases are made in the lower conical part, and a pipe for draining the mixture of exhaust gas from dehydrated carnallite in the upper cylindrical part. The proposed method is dehydrated carnallite raw materials allows to considerably simplify the technological scheme of preparation of raw materials for the electrolysis process by eliminating the stage for more dehydrated carnallite raw materials; supplementary feeding flue gas through the tuyere zone of the furnace KS; exceptions burners for supplying flue gases directly into the oven for dehydration; exceptions furnace gas distribution grid, exceptions connection nipples located in the melting cyclone. The flow of the mixture of flue gases and molten is espagnola carnallite simultaneously in the collection of the melt, where the gases are separated from the melt by the collision with the wall and serves on the gas duct into the furnace at a stage of dehydration, can significantly reduce the cost of the dehydration of raw materials, to reduce the loss of raw materials. Placement of pipe to supply combustion gases axially into the furnace improves the performance of the operation of the plant for dehydration of carnallite raw materials. The claimed group of inventions to meet the requirement of unity of invention, since the claimed method dehydrated carnallite materials and installation for its implementation constitute a single inventive concept. Conducted by the applicant's analysis of the prior art, including searching by the patent and scientific and technical information sources and identify sources that contain information about the equivalents of the claimed invention, has allowed to establish that the applicant had not found the source, which is characterized by signs, identical all the essential features of the invention. The definition from the list of identified unique prototype as the most similar set of features analogue has allowed to establish the essential towards perceived by the applicant to the technical result of the distinctive features in the proposed method, obezvozhivaniya carnallite raw materials set forth in the claims izopet the deposits. Therefore, the claimed invention meets the condition of "novelty." To verify compliance of the claimed invention the term "inventive step", the applicant conducted an additional search of the known solutions to identify signs that match the distinctive features of the prototype of the characteristics of the claimed method. The stated signs are new and are not derived explicitly for the specialist, as in the prior art, a particular applicant identified the influence provided the essential features of the claimed invention transformations to achieve a technical result. Therefore, the claimed invention meets the condition of "inventive step". The image is illustrated by a drawing. Installation for dehydration carnallite raw material contains a furnace 1 for dewatering enriched carnallite, made of a cylindrical part 2 and the conical part 3, the pipe 4 to download carnallite raw materials into the furnace, the pipe 5 for exhaust gas mixture with dehydrated carnallite, pipe 6 for feeding into the furnace flue gases, the flue 7 connecting the furnace with a dust cyclone 8, pipe 9 for the flue, pipe 10 connecting the dust cyclone with a melting cyclone 11, the burner 12 for combustion of chlorine in the mixture of natural gas with air, rasplanirovan 13, connect the sequence of the melting cyclone with the collector of the melt 14. Proceedings of the melt is equipped with a nozzle for discharging the melt 16, the partition wall 17, a pipe connected to the gas duct 18, to supply chlorine-containing gases in the furnace with the help of the device 19. Example operation of the method and installation for dehydrated carnallite raw materials. Feedstock enriched carnallite composition, wt.%: 32 MgCl2, 24,5 KCl, 4,3 NaCl, 49.2 N2O density of 1.7 t/m3and an average particle size of 0,315 mm served in the furnace 1 dehydration in the solid state in the amount of 6.2 t/h. The oven 1 is a metal container made of two parts: a cylindrical 2 and cone 3, and provided with a socket 4 for the substrate and the nozzle 5 for removal of the mixture of exhaust gases and dehydrated carnallite, and a pipe 6 for supplying flue gases, placed axially in the furnace. When the pipe 2 to the substrate and the nozzle 6 for supplying flue gases are made in the lower conical portion 3 and the pipe 5 for removal of exhaust gas mixture with dehydrated carnallite in the upper cylindrical part 2. When the feed rate of the combustion gases 2.0 m/s in the lower conical part 3 of the furnace is formed with a weighted layer of carnallite, which is in contact with hot flue gases (500°C) is crushed. When reaching the particle density of carnallite 1.0-1.2 t/m3and particle size of 0.2 mm get dehydrated carnall is t, that is made together with the exhaust gases through the gas duct 7 in the dust cyclone 8. In the furnace 1 is dehydrated carnallite with getting 3.6 t/h, dehydrated carnallite following composition, wt.%: 48,1 MgCl2, 38,2 KCl, 7,9NaCl2, 1,4 MgO, 4.5 N2O. Dehydration conduct flue gases in the number 5060 nm3per hour, which lead from the collector of the melt 14 through the device 20 for supplying flue gases, such as a fan. Gases contain, wt.%: 5,8 CO2, 4,8 H2Oh, 10,9 HCl, 14,0 O2, 63,5 N2, 1,0 Ar. Contained in the gases hydrogen chloride obtained by burning chlorine in the burner 12 in the torch burning natural gas. In the burner 12 serves, nm3/h: natural gas - 188,0, primary blast (air) - 2719,1, secondary blast (air) - 834,8, anode chlorine gas (concentration of chlorine 91%) - 285,1. The temperature of the flue gases at the inlet into the melting cyclone 11 is 1030°C. In a dust cyclone 8 is supplied to 3.6 t/h dehydrated carnallite, while dehydrated carnallite in the amount of 3.5 tons/ hour catch and serves on the pipeline 10 in the melting cyclone 11. Part dehydrated carnallite together with the exhaust gases in an amount of 0.1 t/h enters through pipe 7 to the treatment plant, that is lost with the exhaust gases. In the melting cyclone 11 is heated, melting and overheating dehydrated carnallite due to heat Tabachnikov, get in the burner 12 by burning chlorine gas temperature at the outlet of the burner 12 and input into the melting cyclone 11 is equal 900-1300°C. the Composition of carnallite after dehydration in a melting cyclone 11 is equal wt.%: 51,8 MgCl2And 0.5 MgO, 39,5 KCl, 8,2 NaCl. The result is a mixture of gases and molten anhydrous carnallite, having a temperature of 700-800°C. the Mixture flows in the collector of the melt 14. In proceedings of the melt 14 gas is separated from the melt by the collision of the partition 17. The temperature of the gases in the collection of the melt 14 is reduced to 500°C and this temperature combustion gas flows through the gas duct 19 through the device 20, such as a fan in the lower conical part 3 of the furnace dehydration 1. Flue gases in the furnace 1 is carried away 0,017 t/hour of dust and 5060 nm3/h of flue gases. The composition of the gases entering the furnace, wt.%: 5,8 CO2, 4,8 H2O, 10,9 HCl, 14,0 About2, 63,5 N2, 1,0 Ar. From the collection of the melt 14 anhydrous carnallite periodically drained through the discharge pipe 16 and sent to electrolysis. The composition of the obtained anhydrous melt of carnallite, wt.%: 51,8 MgCl2and 0.5 MgO, 39,5 KCl, 8,2 NaCl vacuum bucket served in the electrolytic cells for the electrolysis process. Thus, the invention allows to reduce the cost of materials (air and natural gas for burners), electric power and dewatering equipment to malitbog raw materials and to simplify the technological scheme of preparation of raw materials for the electrolysis process by eliminating the stage for more dehydrated carnallite raw materials; exceptions additional submission of the flue gas through the tuyere zone of the furnace KS; exceptions burners for supplying flue gases directly into the oven for dehydration; exceptions furnace gas distribution grid; exceptions connection nipples located in the melting cyclone. In addition, the proposed invention allows to reduce the loss of raw materials and increase the productivity of plants for dehydration carnallite raw materials. 1. The method of dehydration of carnallite raw materials, including loading carnallite raw materials and dehydration it in the furnace flue gases, Department of dehydrated carnallite in cyclone dust from the waste gases, the flow into the melting cyclone, heat and flue gases produced in the burner by the combustion of chlorine in natural gas, melting and overheating to a temperature of 700-800°C To produce anhydrous carnallite, boot in the collection of the melt and unloading ready anhydrous carnallite, characterized in that after overheating the mixture of flue gases and molten anhydrous carnallite served simultaneously in the collection of the melt, where the gases are separated from the melt by the collision with the wall and serves in the oven on a stage of dehydration. 2. The method according to claim 1, characterized in that the flue gases serves on the stage of dehydration at a speed of 1.0-2.5 m/S. 3. The method according to claim 1, ex is different, however, that furnace gases in the melting cyclone serves tangentially its conical surface. 4. The method according to any one of claims 1 to 3, characterized in that the temperature of the flue gases at the outlet of the collection of the melt is 400-600°C. 5. Installation for dehydration carnallite raw materials, including stove with pipes for loading raw material and exhaust gas mixture with dehydrated carnallite, with a pipe for feeding flue gases, dust cyclone, connected with the kiln gas duct, the melting cyclone is connected by a pipeline with a dust cyclone and rasplata with a collection of the melt and is equipped with a burner for the combustion of chlorine, proceedings of the melt discharge pipe to melt, characterized in that it is equipped with a flue connecting the collector of the melt from the furnace and provided with a device for gas supply, while the collector of the melt is made in the form of a vessel with septum and equipped with an additional pipe connected with the flue. 6. Installation according to claim 5, characterized in that the additional tube is located in the upper part of the collection of the melt. 7. Installation according to claim 5, characterized in that the furnace is made in a metal container consisting of a cylindrical and conical parts. 8. Installation according to claim 5, characterized in that the nozzle for feeding flue gases is performed in a furnace axially. 9. Installation according to any one of PPI 7, characterized in that the nozzle to the substrate and the nozzle for supplying flue gases are made in the lower conical part of the furnace and the outlet for removal of exhaust gas mixture with dehydrated carnallite in the upper cylindrical part of the furnace.
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