Heating the briquettes and coking the binders (C10L5/28)

ethod and device for refining pellets // 2613327
FIELD: packaging industry.SUBSTANCE: invention describes a method of refining pellets, pressed from biomass, including following steps: providing of pellets, pressed from biomass and performing heat treatment of pellets while heating to temperature between 210 °C and 390 °C for 1–30 minutes. Invention also describes a device, used to refine pellets pressed from biomass.EFFECT: pellets processed using said method are water-repellent and therefore can be stored in open air.15 cl, 5 dwg

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

Charge and method for manufacture of fuel briquettes // 2546112
FIELD: heating.SUBSTANCE: invention relates to a charge containing bituminous coal and binding additives; bituminous coal contains an unburnt ash-slag mixture as a result of coal combustion in boiler houses, at thermal power plants, in domestic stoves, coal benefication wastes, and the following is used as activators: coal-tar resin, resinous wastes of coke-chemical and chemical industry, waste machine oils; aluminium powder in the amount of 1-3 vol % is used as a high-calorific additive, and lime in the amount of 13-18 vol % is used as a binding agent. The invention also relates to a manufacturing method of fuel briquettes from a charge, which involves crushing and mixing of charge components; after mixing is completed, water separation, mixture extrusion, and briquette drying and packaging is performed.EFFECT: improvement of ecology, economical efficiency of bituminous coal processing, reduction of quantity of wastes and increase of heat amount at coal combustion.2 cl, 1 tbl

ethod to produce fuel briquettes // 2529205
FIELD: power engineering.SUBSTANCE: invention includes mixing of ground solid fuel with a binder, briquetting of the mix 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 die mould is first heated to 40-50°C, and briquetting of the mix under pressure is carried out under pressure in stages, for this purpose they first set load of 5-6 atm, with a delay of 3-5 min and then up to 15 atm with delay at maximum load of 3-5 min. The produced briquettes maybe used as fuel for burning in domestic and industrial furnaces, as well as for coking in chemical-recovery and metallurgical industry.EFFECT: production of fuel briquettes of higher strength, improved environmental situation in coal processing regions, reduced prime cost of fuel briquettes.2 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

Formed coke obtaining method // 2516661
FIELD: oil and gas industry.SUBSTANCE: method for production of formed coke of carbon-containing material includes stages of oil semi-coke heating, pressure moulding with obtainment of green mouldings and their further cocking. Oil semi-coke is heated up to 350-400°C, at that oil semi-coke with carbon-to-hydrogen atomic ratio within range of (1.3-1.7) or oil semi-coke with carbon-to-hydrogen atomic ratio more than 1.7 is used with addition of sintering additives. After the heating stage before moulding the heated oil semi-coke is hold within 10-20 s.EFFECT: invention allows improving quality of mouldings, simplifying the method and increasing technology stability and reliability, reducing energy costs and expanding sources of raw materials.3 cl, 2 dwg, 1 tbl, 4 ex

ethod of producing fuel briquettes from low-grade fuel // 2458974
FIELD: chemistry.SUBSTANCE: method involves thermal treatment of low-grade fuel at temperature 200-500°C. A pyrolysis product is obtained - low-temperature pyrolysis resin and a carbon residue. The carbon residue is crushed and mixed with low-temperature pyrolysis resin in equal parts. Briquettes are moulded from the obtained mixture. The briquettes are dried at temperature not higher than 200°C. The obtained fuel briquettes are left to solidify at room temperature for one day.EFFECT: minimising processing equipment used.1 cl, 5 ex, 1 dwg
Fuel briquette fabrication process // 2298028
FIELD: manufacture of building materials.SUBSTANCE: invention relates to manufacture of molded fuel, in particular to fabrication of high-carbon fuel briquettes, which can be used when smelting cast iron in cupola-furnaces, when producing calcium carbide, silicon carbide, mineral fibers, and other materials. Process according to invention comprises mixing ground solid fuel with binder in amount 5-9% of the weight of ground solid fuel and briquetting mix followed by heat treatment of briquettes. Ground solid fuel is composed of coke fines with particle size 0.05-16.0 mm, 50-80%, and thermoantracite fines with particle size 0.05-6.0 mm, 20-50%. Binder is lignosulfonates modified with 3-5% of petroleum or petroleum products. Briquetting of mix is effected under pressure 25 MPa.EFFECT: reduced power consumption, investment and operational expenses, increased briquette fabrication productivity, and increased strength, heat resistance, and calorific value of fuel briquettes.3 ex
ethod of restoring sieve composition of coke and coke briquette made using this method // 2266314
FIELD: solid fuel technology.SUBSTANCE: invention is designed for application in production of solid fuel in metallurgy and for domestic necessities. Method of restoring sieve composition of coke comprises mixing off-grad coke with binder, such as various cement brands and Portland cement, moistening, briquetting of mix followed by heat treatment, and cooling. Off-grad coke utilized is coke fines fraction 0-10 mm and/or coke nut fraction 10-25 mm belonging to a certain types, which are mixed with binder at ratio (60-95):(5-40), respectively. Moistening is provided by adding water to 35% based on the weight of mix. Heat treatment is effected with steam. Cooling proceeds at ambient temperature to residual moisture content 5%. Mix is completed with filler in the form of organic or inorganic naturally occurring or man-made substances. Briquetting is effected on either vibration or press equipment. Coke briquette contains 60 to 95% of above-defined off-grade coke and 5 to 40 % of binder. Size of thus manufactured briquettes corresponds to required sieve composition of coke.EFFECT: enabled full restoration of all fractions of needless process coke residues to useful sieve composition appropriate for fabrication of environmentally safe briquettes with improved consumer's properties without considerable investments.8 cl, 1 tbl, 6 ex

ethod of production of solid fuel briquettes // 2254360
FIELD: production of solid carbonaceous fuel.SUBSTANCE: the invention is pertaining to the method of production of solid fuel briquettes and may be used at enterprises producing a household fuel. The method provides for mixing of slack coal (sludge cake) with the diameter of fragments of 0.05-0 mm with a mass share a moisture of 16-17 % and with 5 % (23-34 %) of water solution of a cationic polyelectrolyte, compaction of a charge mixture by a hydraulic press at the pressure of 340 kg/cm2 and the thermal treatment at the temperature of t=150°C within 30 minutes. The invention allows to reduce pollutants emissions into the aerosphere at incineration of the solid fuel briquettes that reduces the negative effect on the natural environment and also to exclude the usage of an expensive undersized coke.EFFECT: the invention ensures reduction of the contaminants emissions into the aerosphere at incineration of the solid fuel briquettes and reduction of the negative effect on the natural environment and also to exclude the usage of the expensive undersized coke.3 tbl
The method of obtaining heat-resistant briquettes // 2203928
The invention relates to the production process fuel for use in mining and roasting processes
Fuel briquettes and methods for producing briquettes (options) // 2181752
The invention relates to the technology of production of briquetted fuel and can be used for household needs, metallurgical and chemical industries
The method of obtaining the coke briquettes "koksbrik" // 2083642
The invention relates to the technology of briquetting coke breeze, coke dust and sludge, in particular the production of coke briquettes
 
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