8.6 Limestone Storage and Pulverizing System

8.6.1 The limestone should not be stored outdoors,the inventory of which should accommodate three to seven day's consumption by the power plant.The moisture of the limestone fed to the pulverizing system shall be less than 1%.

8.6.2 The crushing equipment shall meet the requirements of the grain size of the limestone to be delivered to boiler.The crushing process of the limestone preparation and handling system shall be determined according to the grain size distribution of incoming limestone.If more than one stage of crushing process is required,the final crushed grain size shall comply with the requirements of CFB boilers.