Steam low-temperature carbonization system and method of waste tire fluidized bed

Abstract

The invention provides a steam low-temperature carbonization system of a waste tire fluidized bed. The steam low-temperature carbonization system comprises a wire drawing unit, a waste tire crushing unit, a material storage cabin, a spiral feeder, a fluidized bed carbonization reactor, a dust-collecting unit, an oil gas condensing unit, an oil-gas separation unit, an oil-water separation unit, a light oil storage tank, a sewage purification unit, a heavy oil storage tank, an overheated steam generating unit, a spiral discharging machine, a semi-coke crushing unit, a magnetic separation unit, a steel wire collecting unit and a carbon black collecting unit. The steam low-temperature carbonization system has an obvious energy-saving effect and the required grain diameter of a crushed waste tire is less than or equal to 50mm, so that the investment cost and the operation cost are saved, and the processing amount of the system and the utilization efficiency of the reactor are obviously improved; and the operation is safe, and the carbonization gas yield and effective gas components can be effectively improved.

Description

technical field [0001] The invention relates to a waste tire treatment system, in particular to a waste tire fluidized bed steam low temperature dry distillation system and a corresponding waste tire fluidized bed steam low temperature dry distillation method. Background technique [0002] The rapid development of the automobile industry has led to a sharp increase in tire consumption. Studies have shown that the global tire consumption in 2010 was about 1.45 billion, and it is estimated that it will reach 1.74 billion by 2015, an increase of about 20% on the basis of 2010. More than 1 billion waste tires are produced every year. At present, the annual consumption of tires in my country is close to 300 million, and the annual production of waste tires is about 250 million. If motorcycle tires and bicycle tires are counted, the number will be even more alarming. In addition, tires are mainly composed of rubber, carbon black, and various organic and inorganic additives. They ...

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Problems solved by technology

[0009] Due to the use of multiple intermittent thermal cracking devices, the system is complex and the operation and maintenance costs are high; the jacket heating method makes the raw material heated unevenly and the heat transfer effect is poor, and the combination of intermittent operation reduces the processing capacity of waste tires

Compared with patent 3, using high-temperature flue gas as fluidization and heat-carrying medium will increase the risk of reaction operation, and at the same time reduce the calorific value of pyrolysis gas, thereby affecting the quality of pyrolysis gas

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