Jingzhou Nengyao 4 × 1200t/d glass kiln sulfur, dust and nitrate integration project has been successfully put into operation, and all emission data are lower than requirements of the technical agreement, and better than emission standards of Hubei Province. It has become a benchmark in the field of photovoltaic glass flue gas treatment, and has contributed an important force to the blue water and blue sky of Jingzhou, a thousand-year-old city.
Jingzhou Nengyao New Material Co., Ltd. is an outstanding backbone enterprise in the building materials industry in Hubei Province. Its parent company, Hubei Yijun Yaoneng New Material Co., Ltd., has strong strength. It has four float glass production lines with a capacity of 2950 t/d, an annual output of 21.5 million standard heavy boxes and a photovoltaic glass sheet capacity of 4800 t/d. It will also plan to build a photovoltaic production base with a daily output of 10000 tons.
In the early demonstration stage of the new plant construction, in order to thoroughly solve the problems of environmental protection emissions that have plagued for many years and the problems that may be faced in the future, Yijun Yaoneng has made a thorough investigation and analysis of the en vironmental protection control route of glass kilns and the latest pollution control technology. Finally, it was decided that the flue gas treatment system of glass kiln in 4 × 1200t/d aluminosilicate panel production line should adopt Longjing environmental protection technology of "high temperature dry desulfurization + catalyst ceramic fiber filter cartridge dust removal and denitrification integration".
The project is divided into two phases, and the first phase (the first line and the second line) was successfully ignited in April and July 2022 respectively. The second phase of the project (the third and fourth lines) was successfully ignited on December 11, 2022. Since the equipment was put into operation, all emission data and material consumption indicators have been praised by users, laying A solid foundation for Jingzhou Nengyao to create "A-level green energy-saving factory".
At present, the technology of "high temperature dry desulfurization + catalyst ceramic fiber filter cartridge dust removal and denitrification integration" developed by Longjing Environmental Protection has become a powerful tool for ultra-low emission in the field of non-electric flue gas treatment. It can not only realize the synergistic removal of dust, sulfur dioxide, nitrogen oxides, heavy metals, dioxins and other pollutants, solve the problems of catalyst blockage and poisoning, but also has many advantages such as low operation and maintenance costs, small floor area, less temperature loss and no corrosion of equipment. The China Environmental Protection Industry Association has unanimously confirmed that "the overall results have reached the international leading level". This technology has been successfully applied in more than 20 multi-pollutant synergistic removal projects in glass kilns, water glass kilns, biomass boilers and lime kilns, providing more reliable technical equipment support for non-electric flue gas treatment and pollution reduction and carbon reduction in China.
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