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Application of spray drying desulfurization technology in protecting ecological environment

Tags:Spray drying, drying equipment, dryer
  As the energy consumption of the world is increasing year by year, as the coal burning in the bottom of the coal, a large amount of sulfur dioxide and the regional acid rain formed by it have caused serious pollution to the environment. It destroys the ecological balance, causes large area of forest destruction, soil Lake acidification, and building corrosion.
  Therefore, controlling and reducing sulfur dioxide emissions is a very important task. Among many desulfurization technologies, the use of spray drying method to remove sulfur dioxide from flue gas is a more and more important technology. The technology began in 1970s and was put into commercial operation at the end of 1970s. It has less investment, simple operation, high sulfur removal efficiency and no two pollution. Compared with the wet method used in flue gas desulfurization, the powder products formed by the spray drying method have more selectivity and development value, and the technology of spray dryer needs to be further promoted.
  Whether spray drying glue sulfur technology can be widely used is an important prerequisite to solve the problem of rational development and utilization of large amount of powder sulfate after drying. It can be regenerated as an absorbent, and part of the dry material can be recycled, as the filling material of the earth, to the retarder used for cement, to make granular artificial sand, as a filling agent for building materials instead of common concrete and asphalt.
 
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