The main raw materials used in the production of this project come from petroleum coke, a by-product of petrochemical refineries, and coal tar pitch, a by-product of coking plants, which is a typical resource reuse project. Among them, Zhengguo built a 115t/h sub-high temperature and sub-high pressure waste heat boiler and a 3t/h low temperature and low pressure waste heat boiler by using the waste heat resources of the calcination process to maximize the use of a large amount of waste heat in the calcination production process to produce steam. After the overall project is completed, the annual operating income will be about 3.8 billion yuan, and the profits and taxes will be about 250 million yuan.
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