7.5　Screening and Crushing Devices

7.5.1　The coal handling system shall be provided with screening and crushing devices.As for the fossil fired power plants that permanently receive coal whose particle size meets the requirements on particle size of coal delivered to the mills,screen and coal crusher may not be required.

7.5.2　The screen and coal crusher should be of single stage type.The particle size of output coal shall meet the requirements on inlet particle size of the mills.