My breakthrough in low-nitrogen combustion technology
The coal-based energy structure in our country leads to high levels of atmospheric nitrogen oxides (NOx), etc. In order to effectively control the emission of atmospheric nitrogen oxides and meet the use of electric energy, Shanghai Boiler Works Co., Ltd. earnestly performed Energy conservation and emission reduction corporate social responsibility, adhere to the scientific and technological progress to promote the development of enterprises, scientific and technological innovation to enhance the company's core competitiveness of the concept, each year invested a lot of manpower, material and financial resources for the development of new technologies and new products, developed with independent knowledge The advanced compound air-grading low-nitrogen combustion and industrial application technology of property rights has enabled China to reach the international advanced level in low-nitrogen combustion technology.
Coal is a resource that cannot be used only for general energy use. Developing efficient, clean coal-fired technologies has become a major concern for governments and people in all countries. Shanghai Boiler Works Co., Ltd., as the first power station boiler manufacturer in China, has been a pioneer in the development for half a century. It has become a large-scale product of power station boilers, nuclear power plant main equipment, chemical equipment, and industrial boilers, boilers, and steel structures. Backbone manufacturing company.
In order to develop a new, efficient, low-cost coal-fired boiler with low NOx combustion technology that meets market demand, companies invest a lot of people's property and set up a research and development team for low-NOx combustion technology, focusing on cutting-edge development of innovative technologies for low-nitrogen combustion and industrial application technologies. . In the process of technology research, the team members systematically studied the key design of the burner nozzle type, the over-air ratio of the main combustion zone, the retention time in the reduction zone, the ratio of the primary air, and the location of the burnout air in the advanced composite air staged combustion process. The influence of parameters on nitrogen oxide reduction efficiency, nitrogen oxide emission concentration, CO content, carbon content of fly ash, furnace slagging, main steam and reheat steam temperature, etc.
After 3 years of theoretical analysis, design improvement, 3MW combustion test bench pilot study, and on-site hot combustion adjustment research, the R&D team has finally successfully developed a new generation of high-efficiency, low-cost “advanced composite air classification†suitable for China’s national conditions. "Low-nitrogen Combustion Technology" was successfully applied to the 600MW subcritical control circulating boiler project. The measured data shows that using this technology, the nitrogen oxide emissions of boilers have dropped to the international advanced level.
As this technology not only ensures the normal operation of the power station boiler but also does not change its technical performance indicators, its application has created the world's leading technology and performance that reduce nitrogen oxide emissions by rationally changing and organizing the combustion method of pulverized coal in the furnace. The earth has promoted the progress of low-nitrogen combustion technology in China, and has made China reach the international advanced level in low-nitrogen combustion technology. At present, the technology has been successfully applied to more than 50 sets of boilers, with significant social and economic benefits. (Reporter Shuhong Hongfu)
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