They use mechanical stokers to feed coal into the furnace 他们用自动加煤机给炉子添煤。
2.
Specification for underfeed stokers 下部进料自动加煤机规范
3.
Code of practice on the installation and maintenance of underfeed stokers 下饲式加煤机的安装和维护实施规程
4.
Under feed stoker 火下加煤机
5.
Coal feeding : multi - tube system is used in coal feeding with the aim to even distribution of coal . practical and reliable coal - level detector cooperates with stoker to realize automatic coal feeding 加煤段：采用多管分煤装置，使入炉煤在炉内得以均布，该段还配有实用可靠的煤位探测计，与加煤机配合完成自动加煤。
