抄録
A new device was manufactured to measure the cohesion force between coal fly ash pellets at the sintering temperature. The cohesion force was measured in order to determine the operating condition of sintering a coal fly ash in moving bed furnace.
Following results were obtained:
1) The cohesion force was not detected up to the temperature of 1400K. It increased significantly with the increase of the temperature up to 1430K and decreased gradually at temperatures above 1430K.
2) The contact circle radius between pellets was proportional to the square root of the sintering time. This shows that the coal fly ash was mainly sintered by the viscous flow mechanism.
3) The cohesion force increased with the square of the contact circle radius, in other words with the sintering time.
