Granulation method by thermolysis of carbon black of waste tires

Abstract

The invention relates to a granulation method by thermolysis of carbon black of waste tires, which is characterized in that: when the pour density of powdery carbon black with a DBP absorption value of between 70 and 90 of a test report of thermolysis of the carbon black of the waste tires is between 80 and 190 kg / m3, the solution comprises the following compositions by weight percentage: 4 to 7 parts per thousand of lignin, 2 to 6 percent of alcohol, and the balance of tap water. The method for preparing the solution comprises the following steps: firstly, adding 4 to 7 parts per thousand of the lignin from a lignin feed opening of a stirring mill; secondly, adding partial tap water from a water inlet of the stirring mill; thirdly, starting a stirring motor to stir until all the lignin is dissolved; fourthly, adding 2 to 6 percent of the alcohol into the stirring mill from an alcohol measuring tank; and fifthly, adding remained tap water for uniform stirring, and placing the mixture into a solution tank for standby. The invention solves the core technical problems of granulation by thermolysis of the carbon black of the waste tires, and forms large-scale industrialized production. The pour density of the carbon black after granulation is reduced by 2.5 times, so that the packaging cost and the transportation cost are reduced and the environment of factories using the carbon black is completely improved.

Description

Technical field: [0001] The invention relates to a carbon black granulation method, in particular to a pyrolytic carbon black granulation method for waste tires. Background technique: [0002] With the rapid development of my country's automobile industry, more and more automobiles have entered various fields of the national economy, and the harmless and resourceful treatment of waste automobile tires has become an urgent problem to be solved. By pyrolyzing waste automobile tires, carbon black, steel wire, fuel oil and gas in waste tire rubber can be recovered. Among them, the breakthrough of pyrolytic carbon black granulation is the key. [0003] The research in the field of pyrolytic carbon black recovery technology in western developed countries is earlier, but so far its application technology is not yet mature, and there are still defects in the technology. There is currently no international standard in this regard. [0004] In my country, pyrolytic carbon black has...

AI Technical Summary

Problems solved by technology

However, due to the different affinity characteristics of waste tire pyrolysis carbon black and ordinary carbon black, the existing technology at home and abroad cannot use the flexible carbon black granulation technology to achieve granulation

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