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Requirements For Limestone Pulverizer In Wet Desulfurization Process

Last Update:2020-05-07 16:42:23

In the wet desulfurization process of power plant, there are requirements for limestone pulverizer, such as production efficiency, output, discharge particle size, etc. Limestone pulverizer is one of the mining pulverizers. It processes ore products such as limestone. According to the physical characteristics of the materials, liming heavy industry has introduced different pulverizer systems which have been applied to the production of various industries.

Limestone is a kind of widely used resource, usually used as building materials, and also an important raw material for many industries, such as production of Portland cement, coating grade heavy calcium carbonate products for paper making, production of desulfurization absorbent, used for production of active lime and passivation lime. Limestone can be calcined to produce active lime, and passivated lime can be produced after processing.

Vertical pulverizer is suitable for the deep processing of limestone. This series of pulverizers are designed with relatively mature pulverizing technology, which can be well applied to the processing of powder materials. In limestone gypsum wet desulfurization technology, sulfur dioxide in flue gas and calcium carbonate in slurry react with the air blown in from the bottom of the tower to generate calcium sulfate. When the calcium sulfate reaches a certain saturation, gypsum will be crystallized. In the wet desulfurization process, the limestone pulverizer is required to have a large amount of desulfurization in a single tower, which is suitable for the flue gas desulfurization of sulfur-containing coal. It has a strong adaptability to boilers, and is generally used in large power plants or large power boilers. Due to the short residence time of the material in the mill, it is easy to detect and control the particle size and chemical composition of the product, thus reducing the repeated grinding and stabilizing the quality of the product.

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