... biscuit, egg roll, roasting shredded squid oven, oven for roast duck, smokeless oven, griddle, middle eastern oven, ... and ceramics industry: Enamel firing dryer, glass oven, heat-setting machine, mould drying, fritting, parchingPaper industry: ... 2000pa(NG)/2800pa(LPG)Table 2:Comparison table for all kinds of energy consumption Furnace type ... 5-8 minutes 2012 New rotary heat exchanger (HD82)