155476 ⎘
Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body with flues, other than fire tubes
Tubular Boiler with Incorporated Oven
#2Method and apparatus for waste heat recovery and emission reduction
#3Flue baffle for gas-fired hot water tanks
#4Water vaporizer with intermediate steam superheating pass