4 Grate Technologies in the Korean WTE plants
For modern WTE plants, there are various types of grate technologies available depending on
how the “fuel” wastes are fed onto the combustion grate. They include the horizontal grate, the forward
moving grate, the reverse-acting grate and the roller grate. The grate used by a WTE plant should be
able to accommodate fluctuations in the waste composition and calorific value. Currently, in Korean
WTE plants, a moving grate (stoker) is dominantly used with 2 or 3 units to combust MSWs. Table 13
lists the number of furnace lines, commissioning years, grate technology used and grate system
manufacturer for each plant. Figure 34(a) and 34(b) show a forward moving grate by Von Roll and a
horizontal grate by Marin GmbH