Device for preventing wear of heat transfer tubes in fluidized- bed boiler

摘要

A device for protecting wear of heat transfer tubes in a fluidized-bed boiler is disclosed. The protective device is applied to a portion of a heat transfer tube which is strongly and exceedingly attacked by fluidized bed materials, so that the considerable decrease in service life of a heat transfer tube due to wear caused by the attack of fluidized bed materials can be avoided.