Recently, the China Rubber Industry Association issued a notice to the Waste Rubber Comprehensive Utilization Subcommittee, stating that from July 1, 2015, it will stop providing information on “small three pieces†and “dynamic desulfurization tank†products in relevant media of the association.
The so-called "small three pieces" is a cutting machine, a strip cutting machine, and a dicing machine that are used to decompose waste steel radial tires without security. At present, the use of "small three pieces" in the decomposition of tires accounted for more than 80%.
The safe decomposition of waste radial tires to produce rubber powder has always been a problem that has plagued the healthy development of the industry. Decomposition of waste radial tire foreign countries are using large tire crusher, the price is in the thousands of yuan. Due to the high price, the vast majority of domestic waste radial tires decomposition and disposal enterprises are discouraged and can only choose "small three." The low-priced "small three pieces" played a role in the dismantling of waste radial tires, but it also caused great danger to safe production.
In addition, it is understood that, at present, the waste rubber comprehensive utilization industry is promoting the use of atmospheric high temperature continuous desulfurization process to replace the high-pollution, high-risk dynamic desulfurization tank. It is reported that the technology and equipment use a pipeline fluid bed spiral transport desulfurization. The whole process is pressureless and odorless. The intermittent operation of the dynamic desulfurization tank is converted into continuous production, and no water is added during the entire process. No waste water and exhaust gas are contaminated, and clean and safe production is achieved. At the same time, product quality can be better controlled.
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