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Schematic diagram of the pyrolysis device: (1) autoclave; (2) sealing cover; (3) outer cover; (4) electric heater; (5) thermocouple; (6) pressure gauge; (7) three-way valve controlled by solenoid valve; (8) needle valve; (9) heater; (10) synchronous collector; (11) floating piston; (12) liquid collector; (13) condenser; (14) gas bag; and (15) measuring cylinder.
