Raw material to be used and pretreatment thereof (C10L5/04)

ethod of regulating the volume flow of a coal-kerozine suspension and a device for manufacturing a burned coal // 2628524
FIELD: mining engineering.SUBSTANCE: invention describes a method for controlling the volumetric flow rate of a coal-kerosene suspension in which, during the separation of the solid and liquid phases by feeding the dehydrated coal-kerosene suspension to a centrifugal separator of the decanter type and separating the coal-kerosene suspension into a solid fraction and a liquid fraction, the target electric current fed to the engine to rotate it and drive the screw conveyor of the centrifugal separator of the decanter type is determined such that the liquid level In the tank for a coal-kerosene suspension fed to a centrifugal separator of the decanter type, it can take a constant value; the target opening degree value is determined based on the difference between the target electric current value and the actually measured value of the electric current supplied to the motor; and the degree of opening of the flow control valve, which is located in the middle of the feed line for introducing the coal-kerosene slurry into the centrifugal separator of the decanter type, is adjusted depending on the target degree of opening. Also, the options for ways to regulate the volume flow coal-oil suspensions and devices to perform these techniques are described.EFFECT: ability to effectively prevent overloads and mechanical damages of a centrifugal separator of the decanter type or to reduce the quality of separation of the solid and liquid phases, the ability to stabilise the process of obtaining upgraded brown coal.6 cl, 5 dwg

ethod for producing moulded solid fuel // 2628523
FIELD: chemistry.SUBSTANCE: invention describes a method for producing moulded solid fuel, comprising: a pulverization stage for pulverizing low-grade coal; a stirring stage for mixing the pulverized low-grade coal and the oil solvent to form a slurry; a dewatering stage for heating and dewatering the slurry to form an anhydrous slurry; a stage for separating solid and liquid phases to separate the oil solvent from the dehydrated slurry to form a precipitate; a drying stage for heating the precipitate to further separate the oil solvent from the precipitate to produce powdered coal of enhanced quality; and a moulding stage for compression moulding the powdered coal of improved quality by means of a moulding device without adding and/or mixing with a bonding material, in which at the stage of forming the moulding device on the surface, a cooling substance is pulverized to cool the surface and thus the surface temperature of the moulding device is maintained at 100°C or below.EFFECT: producing moulded solid fuel from low-grade coal, having high strength.6 cl, 4 ex, 1 tbl, 2 dwg

anufacture method of moulded solid fuel // 2628522
FIELD: oil and gas industry.SUBSTANCE: manufacture method of the briquetted solid fuel includes the following steps: spraying of the low quality coal to produce the pulverized low quality coal; mixing with the oil solvent to form the dewatered suspension; heating and thereby dewatering of the suspension to form the dewatered suspension; separation of the oil solvent from the dewatered suspension by liquid-solid body separation to obtain the cake; heating and thereby drying the cake, so to separate additionally the oil solvent from the cake and to obtain the refined coal in the powder form; mixing of the refined coal with the coal to control the properties in the powder form, in order to control the properties of the refined coal and thereby to obtain the feedstock for briquetting, containing the coal to adjust the properties in the amount from 5 to 70% wt %, based on the total weight of the briquetted feedstock, the mentioned carbon to control the properties, having the free bulk density 0.6 kg/l or more and the natural repose angle of 40° or less, and the feedstock briquetting for the briquetting under the pressure to produce the briquetted solid fuel in the form of briquettes.EFFECT: production of briquetted solid fuel from low-quality coal with high strength.4 cl, 1 dwg, 9 ex, 2 tbl
Fuel briquette based on carbon residue of pyrolysis of tires // 2608733
FIELD: fuel.SUBSTANCE: invention describes fuel briquette based on carbon residue of pyrolysis of tires, including solid residue of pyrolysis of vehicle tires, preliminary enriched by oil agglomeration, wherein as enrichment reagent waste engine oil is used in amount of 4.0–6.0 % to weight of water, used for enrichment, and as binder carbamide is used in amount of 8.0–10 % to weight of enriched concentrate in following proportions, wt%: carbon granules 90–92, carbamide 8.0–10.EFFECT: technical result is production of molded fuel with low ash content and sulfur content, made of concentrate of carbon residue of pyrolysis of tires, that enables more complete recycling of waste tires and improvement of ecological situation in regions.1 cl, 3 tbl, 3 ex

ethod for indirect heat drying of disperse material, method of producing cleaned coal, device for indirect heat drying, and device for producing cleaned coal // 2603209
FIELD: chemistry.SUBSTANCE: present invention relates to method and device for indirect heat drying of disperse material, method and device for producing clean coal. Method and apparatus for indirect heat drying of disperse material uses two dryers for indirect heat drying. Method involves: step (A), in which dispersed material is dried in a first dryer for indirect heat drying; and step (B), in which dispersed material is further dried in a second dryer for indirect heat drying, to obtain dried disperse material. Method for indirect heat drying of disperse material is characterised by that it additionally includes a step (C), which comprises extracting first microparticles contained in gas-carrier taken from first dryer for indirect heat drying, and mixing with disperse material fed into stage (B); and a step (D), which comprises extracting second microparticles contained in gas-carrier taken fro second dryer for indirect heat drying, and mixing with dried disperse material obtained at step (B). Method of producing clean coal includes a step (α), which comprises mixing dispersed porous coal with oil to form a suspension of raw material, step (β), where suspension of raw material is heated to form a dehydrated suspension, step (γ), which comprises separating dehydrated suspension into porous cleaned coal and oil, and step (δ), where separated porous cleaned coal is dried, wherein step (δ) employs a method for indirect heat drying of disperse material according to claim 1 or 2 or 3. Device for producing clean coal comprises a mixer, heating device, device for solid phase-liquid separation and drying device, which is a device according to claim 5.EFFECT: invention shall provide stability of balance between pressure of carrier gas.6 cl, 3 dwg

ethod of producing fuel briquettes // 2601743
FIELD: technological processes.SUBSTANCE: invention discloses a method of producing fuel briquettes, involving mixing carbon-containing materials and their moulding, wherein method includes mixing wood processing wastes, products of dust separation in wood processing and shale processing.EFFECT: technical result is production of high-calorific, solid fuel briquettes.4 cl, 2 tbl

ethod of manufacturing moulded articles containing coal particles // 2583432
FIELD: building industry.SUBSTANCE: invention describes the method of manufacturing moulded articles comprising coal particles, in which the coal particles are mixed with a water-containing binder system, and the resulting mixture is processed by moulding to obtain the moulded articles, characterised in that before mixing with the water-containing binder system a partial amount of the coal particles are subjected to the impregnation stage at which the particles are impregnated with a substance. The said substance is added in the form of a liquid or using the liquid for impregnation, where the said substance is selected from the group consisting of water-insoluble and/or water repellent substances, aqueous colloidal suspension of a solid material. The solid material has water-repellent properties, and the lower limit of the amount of the said substance added at the stage of impregnation is 0.3 wt % relative to the weight of the coal particles of the material to be reprocessed into the moulding articles. Also the moulded article and its use in the process of iron smelting are disclosed.EFFECT: obtaining moulding articles with sufficient strength.13 cl, 3 dwg, 1 tbl
ethod of producing moisture-resistant composite fuel from peat // 2569685
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing a solid composite fuel from peat, which includes heat treatment of peat at 200-500°C without air access, mixing binder with a crushed carbonaceous residue, moulding a briquette from the obtained mixture and drying, wherein the pyrolysis condensate obtained during heat treatment is separated into a pyrolysis resin and tar water by filtering; the binder is obtained dissolving dextrin in the tar water in ratio of 1:(5-25), and the briquette made from the carbonaceous residue and binder is dried at 20-105°C and left to cool to room temperature, followed by deposition of filtered pyrolysis resin on the surface of the briquette to obtain composite fuel, which is dried at 20-105°C and held at room temperature for 7-14 days.EFFECT: obtaining moisture-resistant solid composite fuel.6 ex

Fuel briquette // 2560186
FIELD: chemistry.SUBSTANCE: invention describes a fuel briquette which includes a carbonaceous component and binder.As the carbonaceous component coke dust with particle size smaller than 1 mm is used and as the binder a mixture of coking sludge with carbamide, with the following ratio of components is used, wt %: binder (a mixture of coking sludge with carbamide in ratio of 1:1) 8-10, coke dust - the balance.EFFECT: obtaining smokeless high-strength fuel briquettes, improved environmental situation in coal processing regions and low cost of the fuel briquettes.2 tbl, 3 ex

ethod of recycling solid residue from automobile tyre pyrolysis // 2557652
FIELD: chemistry.SUBSTANCE: invention relates to method of recycling solid residue of tyre pyrolysis, which includes enrichment of solid fuel by method of oil agglomeration. As solid fuel used is solid carbon residue of tyre pyrolysis with initial ash content 11.40-11.66%, sulphur content 1.2 wt %, preliminarily crushed to particle coarseness 0.1 mm, with liquid fraction of pyrolysis being used as reagent for enrichment in amount 4.0-6.0% to weight of water, used for enrichment, after which granulation of obtained concentrate and application of water-resistant smell-absorbing coating from petroleum products on the surface of granules.EFFECT: obtaining moulded fuel from solid residue of automobile tyre pyrolysis with low ash content and sulphur content.4 tbl, 3 ex

ethod to produce fuel briquettes // 2529204
FIELD: power engineering.SUBSTANCE: invention includes mixing of ground solid fuel with a binder, briquetting of the mixture under pressure, where the ground solid fuel is coke dust with particle size of less than 1 mm, and the binder is coking sludge in the amount of 8.0-10% to the weight of coke dust, the mixture of coke dust and the binder is heated to 100°C, pressed in stages: first the load of 5-6 atm is set with a delay of 3-5 min and then up to 15 atm with a delay at the maximum load for 3-5 min, the finished fuel briquette is tempered at 250-300°C without access of air for 10-12 min. The produced briquettes may be used as fuel for combustion in domestic and industrial furnaces, and also for coking in chemical-recovery and metallurgical industry.EFFECT: production of smokeless fuel briquettes of higher strength, improved environmental situation in coal processing regions, reduced prime cost of fuel briquettes.2 tbl, 3 ex

Compressed biomass pellets and briquettes // 2510660
FIELD: power industry.SUBSTANCE: invention relates to compressed base for use in co-combustion power aggregates and house heating, containing first particles of biomass material selected out of a group including planting stock of soy beans, sage, planting stock of corn and sunflower, and second, carbon particles, where compressed base containing first and second particles and a linking agent (algae or wax) is resistant to fragmentation. Invention relates to a method of obtaining compressed base containing biomass material, carbon particles and algae or wax as linking agent. In addition, invention describes a total of compressed bases in container for use in co-combustion power aggregates and house heating.EFFECT: compressed base resistant to fragmentation.23 cl, 1 dwg, 1 tbl

ethod, appliance and application for making fuel from moist biomass // 2506305
FIELD: process engineering.SUBSTANCE: invention relates to production of fuel from compacted biomass whereat moist biomass is dried prior to compaction. Before drying, biomass is mechanically dewatered for decrease in moisture content and ground before mechanical dewatering. Note that biomass is ground to puree state, rubbed to obtain fiber and subjected to fine grinding to destruct cellular structures to biomass consistency varying from paste to fluid. Invention relates also to appliance for producing fuel from compacted biomass. Fine grinding allows better removal of water either mechanically or at preliminary dewatering.EFFECT: decreased amount of contaminants released in combustion and boiler corrosion, higher combustion heat and ash fusion point.11 cl, 1 dwg
Coke dust briquetting method // 2468071
FIELD: metallurgy.SUBSTANCE: invention relates to technology of fuel components briquetting - coal sludges, fine classes of coal, coke dust. The method of coke dust briquetting consists in production of a concentrate. The concentrate is produced by enrichment of coke dust with particle size of less than 1 mm with initial ash content of 10-16.8 wt %, and sulphur content of 0.4-0.5 wt %, by the method of oil agglomeration to ash content of 5.0-5.5 wt% and sulphur content of 0.05 wt %. The prepared concentrate and binder heated to 100-133°C - carbamide taken in the amount of 4.0-6.0% to the weight of the initial concentrate. The mixture is briquetted in steps, for this purpose at first the load of 5-6 atm is set, with a delay of 3-5 min. and further to 15 atm with a delay under the maximum load of 3-5 min.EFFECT: production of fuel briquettes with low ash content and sulphur content, recycling of coke dust.1 cl, 6 tbl, 3 ex
Procedure for fabrication of briquettes from carbon containing materials // 2437921
FIELD: machine building.SUBSTANCE: procedure for fabrication of briquettes consists in preparation of raw materials, in loading into briquetting device, in briquetting and in briquettes drying. As carbon containing materials there is used peat and/or plant residues and/or wood wastes. Raw material is prepared in a disk extruder at temperature 70-100°C and humidity 45-60 %.EFFECT: production of briquetted fuel from various kinds of carbon containing materials possessing high qualitative indices; reduced expenditures for production.2 cl, 2 tbl, 1 ex

Process to manufacture purified carbon from brown coal and process line therefore // 2325232
FIELD: mining industry.SUBSTANCE: process to manufacture purified carbon from brown coal implies treating loosened batch mixed with water in cavitation apparatus, which provides for disintegration of organic portion of carbon-containing mixture down to particles of less than 20 mcm. Then, resulting water-carbon mixture is directed to separation tank for sedimentation of mineral mass, which is regularly dumped. From the separation tank, mixture is fed to electrophoretic separation device, out of which paste-like carbon-containing mixture is extracted. Cavitation apparatus power is selected in such a way so as to obtain inorganic particles larger than the organic ones in the water-carbon mixture. Impact cavitation action is applied to continuous slurry flow, while water-carbon mixture is held in the separation tank for at least 20 sec.EFFECT: high efficiency; production of low-ash purified carbon from brown coal.5 cl, 1 dwg

Carbon briquette fabrication process // 2249612
FIELD: manufacture of building materials.SUBSTANCE: carbon briquettes based on ground carbon-containing starting material (peat, coals, and the like) are fabricated by mixing starting material with 30-50% of water, treating the mix on rotary cavitation apparatus in 5 to 50 operation cycles at 15 to 70°С and cavitator rotor speed 3000-12000 rpm, pouring out thus treated mix into special molds, wherein mix is dried in air flow at 15 to 100°С to form ready-to-use briquettes (after cooling, if needed).EFFECT: simplified fabrication process and increased process efficiency.1 tbl

Installation of a coal waste sludge for fuel production // 2230776
The invention relates to the processing of fine waste coal industry and subsistence detail in improved fuel household and technological purposes

The method for producing briquettes from brown coal // 2173697
The invention relates to the production of briquettes from brown coals and can find application in mining and processing industry

A method of enrichment of the fuel shale // 2155796
The invention relates to processing, fuel, petrochemical areas and can be used to enrich the fuel and raw materials, especially low-grade

ethod of manufacturing coal agglomerates used in the furnace direct iron ore smelting reduction plants // 2122012
The invention relates to a method of manufacturing coal agglomerates, in which fine coal aglomerados at high temperature

The way brown coal briquetting // 2109034
The invention relates to the development and exploitation of brown coal, and more particularly to a method of brown coal briquetting

A method of obtaining a granulated solid fuel // 2103328
The invention relates to the processing industry and energy for domestic consumers
A method of obtaining a carbon-containing briquettes // 2096442
The invention relates to the technology of briquetting of coal and coke breeze, in particular the production of coal or coke briquettes

ethod of producing fuel briquettes // 2053252
The invention relates to the processing of coal, concrete to a method of producing fuel briquettes, and can be used in coal, mining, chemical and other industries, as well as for domestic fuel

ethod of regulating the quality of oil pitch // 2051169
The invention relates to the field of regulation of the process of obtaining pitch and can be used in oil refining, electrode, coke and other industries
 
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