Latest technical innovation to reduce carbon emissions in China
10 Sep 2021/CTW
China's ceramic industry is exploring new development directions for kiln upgrading
At present, most Chinese ceramic manufacturers have completed the coal-to-gas switch, effectively reducing carbon dioxide emissions. However, the shortage of natural gas supply has led to a number of ceramic enterprises a short-term suspension of production. Besides, the rise in natural gas price has greatly increased the production costs for ceramic manufacturers. It's obvious that relying on natural gas alone is not a long-term solution. In order to achieve the goal of 'peak carbon dioxide emissions' as soon as possible and ensure the long-term and stable development of the ceramic industry, Chinese ceramic tile and equipment enterprises are constantly exploring new directions for kiln upgrading.
Clean energy alternatives for kilns
Some kiln manufactures have begun to use electric energy, hydrogen energy, etc. as the research direction of energy alternatives for kilns. Experts believe that the use of combination of electricity and gas can effectively reduce carbon emissions. In addition, Keda has used hydrogen as an auxiliary material to mix and burn with other fuels, and put into test and application time after time.
Technical upgrading for kilns
At the same time, numbers of ceramic enterprises have made reconstructions for their kilns. For example:
1、 Kiln structure improvment : The double-layer kiln introduced by New Pearl Group is able to simultaneously produce porcelain slab with thickness of 12mm and the daily output of 20,000 square meters. It's estimated that it can reduce carbon dioxide by about 5,000 tons per year.
2、Intelligent Management and Control Cloud System: New Pearl has established a real-time monitoring system for electricity, gas, and exhaust gas emissions for kilns, which provid energy consumption data in real time, and try to find the key to energy saving and emission reduction through data analysis.
3、Carbon dioxide recovery: In 2020, Keda upgraded the structure of burner and adopted technology of oxy-fuel combustion, which can control the concentration of carbon dioxide in the exhaust gas, and recycle it into dry ice.