155868 ⎘
Combustion apparatus using only lump fuel the combustion apparatus being modified according to the form of grate or other fuel support using travelling grate
STOKER-FIRED BOILER, A METHOD OF MODERNIZATION OF STOKER-FIRED BOILERS AND A METHOD OF ELIMINATION OF UNCONTROLLED LEAKAGES OF AIR NOT TAKING PART IN THE COMBUSTION PROCESS IN A STOKER-FIRED BOILER