摘要
In order to get high quality of products, the combustion of aluminium-ironoxide thermite in SHS-gravitational process must be under control. The effects of thermite fillingdensity, hole in thermite and inclined angle of pipe on combustion rate were studied. It shows thatthe combustion rate decreases with the decrease of filling density. The thermite combusts downwardsthe pipe much more quickly if there are holes in the thermite. And the combustion rate increaseswith the increase of the inclined angle of pipe. The experiment results show that the combustion ofthermite is predominantly controlled by gas phase reaction, which is attributed to the hightemperature of the thermite combustion.
In order to get high quality of products, the combustion of aluminium-ironoxide thermite in SHS-gravitational process must be under control. The effects of thermite fillingdensity, hole in thermite and inclined angle of pipe on combustion rate were studied. It shows thatthe combustion rate decreases with the decrease of filling density. The thermite combusts downwardsthe pipe much more quickly if there are holes in the thermite. And the combustion rate increaseswith the increase of the inclined angle of pipe. The experiment results show that the combustion ofthermite is predominantly controlled by gas phase reaction, which is attributed to the hightemperature of the thermite combustion.
