Taiheiyo Cement. has developed a cement clinker producing system that increases carbon dioxide concentration in exhaust gas. The system includes a preheater, rotary kiln, calcination furnace, clinker cooler, and gas supply devices. This innovation aims to enhance sustainability in cement production. GlobalData’s report on Taiheiyo Cement gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Taiheiyo Cement, Artificial concrete aggregates was a key innovation area identified from patents. Taiheiyo Cement's grant share as of January 2024 was 29%. Grant share is based on the ratio of number of grants to total number of patents.
Cement clinker producing system with high co2 concentration exhaust gas
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A patent application (Publication Number: US20230365464A1) describes a cement clinker producing system that includes a cyclone preheater, a rotary kiln, a calcination furnace, a clinker cooler, and various exhaust gas discharge passages. The system also features a combustion-supporting gas supply device, a chlorine bypass device, a merging flow passage, and recovery means for quicklime-containing raw material. Additionally, the system includes fuel conveying gas supply passages, air supply passages, and water supply devices to enhance the production process. The system aims to efficiently produce cement clinker while reducing carbon dioxide emissions and utilizing waste materials in the production process.
Furthermore, the patent application outlines a cement clinker producing method that involves recovering carbon dioxide gas-containing exhaust gas for reuse, adjusting the oxygen concentration of the combustion-supporting gas, and generating methane from recovered gases for use as fuel in the production process. The method also includes utilizing calcium-containing waste to absorb carbon dioxide gas and incorporating it into the cement clinker raw material. By implementing these methods and systems, the patent aims to improve the sustainability and efficiency of cement clinker production while reducing environmental impact and maximizing resource utilization in the process.
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