... .Efficiency of boiler 90% 3.Feed water temperature20C horizontal gas/oil fired steam boiler features:Adopt numerical ... temperature°C184184194194194194Feed water temperature°C202020202020Efficiency of boiler%85.7185.718688.186.888.9Primary ... 6 Dn150Fuel available thinner oil,gasthinner oil,gasthinner oil,gasthinner oil,gasthinner oil,gasthinner oil,gasOil consumptionkg/h3773145198270392Gas ...