System for conducting high-temperature thermolysis of waste tires and rubber products

A system for conducting high-temperature thermolysis of waste tires and rubber products, comprising:

• a first storage configured to receive and store the waste tires and the rubber products;
• a coarse grinding unit coupled to the first storage and configured to grind the waste tires and the rubber products to coarse fractions;
• a washing unit coupled to the coarse grinding unit and configured to wash the coarse fractions;
• a second storage coupled to the washing unit and configured to receive and store the washed coarse fractions;
• a fine grinding unit coupled to the second storage and configured to grind the washed coarse fractions to fine fractions, the fine fractions comprising rubber granules, metal cord elements and fabric cord elements;
• a magnetic separator coupled to the fine grinding unit and configured to separate the metal cord elements from the fine fractions;
• a third storage coupled to the magnetic separator and configured to receive and store the metal cord elements;
• a first cyclonic separator coupled to the magnetic separator and configured to separate the rubber granules and the fabric cord elements from the fine fractions;
• a fourth storage coupled to the first cyclonic separator and configured to receive and store the rubber granules;
• a first fine filter coupled to the first cyclonic separator and configured to purify the fabric cord elements from fine mechanical impurities;
• a fifth storage coupled to the first fine filter and configured to receive and store the purified fabric cord elements;
• a storage hopper configured to periodically receive the rubber granules from the fourth storage in a given amount and store the rubber granules;
• an agitator hopper coupled to the storage hopper and configured to receive and store the rubber granules while agitating the rubber granules;
• a screw-conveyor dryer configured to heat and dehumidify the rubber granules;
• a metering hopper arranged between the agitator hopper and the screw-conveyor dryer, the metering hopper being configured to perform a metered supply of the rubber granules from the agitator hopper to the screw-conveyor dryer while replacing ambient air with carbon dioxide (CO2);
• a striker mill coupled to the screw-conveyor dryer and configured to obtain a pulverized mixture by conducting the high-temperature thermolysis of the rubber granules, the pulverized mixture comprising a solid fraction and a gas-vapor fraction, the solid fraction comprising coarse-grained hard carbon and fine-grained hard carbon;
• a second cyclonic separator coupled to the striker mill and configured to separate the coarse-grained hard carbon from the solid fraction of the pulverized mixture;
• a sixth storage configured to receive and store the coarse-grained hard carbon;
• a first cooling screw-conveyor arranged between the second cyclonic separator and the sixth storage, the first cooling screw-conveyor being configured to cool and transport the coarse-grained hard carbon from the second cyclonic separator to the sixth storage;
• a third cyclonic separator coupled to the second cyclonic separator and configured to separate the fine-grained hard carbon from the solid fraction of the pulverized mixture;
• a seventh storage configured to receive and store the fine-grained hard carbon;
• a second cooling screw-conveyor arranged between the third cyclonic separator and the seventh storage, the second cooling screw-conveyor being configured to cool and transport the fine-grained hard carbon from the third cyclonic separator to the seventh storage;
• a refrigerator-type condenser coupled to the third cyclonic separator and configured to obtain a thermolysis liquid and a synthesis gas by cooling and condensing the gas-vapor fraction of the pulverized mixture;
• an eighth storage coupled to the condenser and configured to receive and store the thermolysis liquid;
• a coarse filter coupled to the condenser and configured to purify the synthesis gas from coarse mechanical impurities;
• a first synthesis gas storage configured to receive and store the purified synthesis gas under an overpressure of 1 bar;
• a second synthesis gas storage configured to receive and store the purified synthesis gas under the overpressure up to 10 bar;
• a pump arranged between the coarse filter and the first synthesis gas storage, the pump being configured to supply the synthesis gas from the coarse filter to the first synthesis gas storage while increasing a pressure of the synthesis gas to 1 bar;
• a gas compressor arranged between the first synthesis gas storage and the second synthesis gas storage, the gas compressor being configured to pump over the synthesis gas from the first synthesis gas storage to the second synthesis gas storage while increasing the pressure of the synthesis gas up to 10 bar;
• a second fine filter coupled to the second synthesis gas storage and configured to purify the synthesis gas from fine mechanical impurities;
• and
• a third synthesis gas storage coupled to the second fine filter and configured to receive and store the purified synthesis gas under the overpressure up to 10 bar.