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Environment-friendly automatic-temperature-control quartz tube furnace device for pyrolysis of high polymer

Tube furnaces for pyrolyzing or sintering are large in axial heat radiation, nonuniform in hearth temperature and low in machining amount. The invention discloses an environment-friendly automatic-temperature-control quartz tube furnace device for pyrolysis of high polymer, wherein the environment-friendly automatic-temperature-control quartz tube furnace device comprises a quartz glass tube furnace, a sample stand, a heat-isolation ventilation assembly, a fireproof heat-insulation furnace body, an automatic-heating temperature control device, a safety protection device and a tail gas treatment device. Different from other tube furnaces, the quartz tube furnace device is characterized in that a furnace body structure is improved by taking heat insulation measures additionally for inner and outer ports of a hearth, the axial-radial ratio of the tube furnace is high up to 12.5, resistance wires are arranged in a nonuniform winding manner and are arranged densely at the ports and sparsely in the middle, in addition, a safety protection bag and a tail gas purification column are arranged, and the furnace is internally vacuumized and is introduced with nitrogen. The environment-friendly automatic-temperature-control quartz tube furnace device disclosed by the invention is simple in equipment, low in investment, good in gas tightness, high in vacuum degree, convenient for heating as well as temperature measuring and controlling, and good in heat insulation effect, and is safe, energy-saving and environment-friendly, and an intra-furnace pyrolysis region is long and uniform in temperature, so that pyrolysis and doping reaction effects are good, and the processing amount is large. The environment-friendly automatic-temperature-control quartz tube furnace device can also be applied to other high-temperature reaction processes.
Owner:HARBIN UNIV OF COMMERCE
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