Patent ID: 9714766
Date: 2017-07-25
CPC Classifications: F23G,F23L,F23M,F23N

Claim:
1. A gasifier for a gasifying biomass and other waste materials, comprising: a primary chamber for receiving and holding waste to be gasified; a heat transfer chamber disposed adjacent the primary chamber; a burner for supplying heat to the gasifier and wherein the burner is operative to heat the heat transfer chamber which in turn heats the primary chamber and the waste therein; the primary chamber is lined with at least two distinct groups of refractory brick having distinct durability and insulating characteristics; the two different groups of refractory bricks including a first lower section of refractory bricks that comprise a lower portion of a primary chamber wall and a second upper section of refractory brick disposed over the first lower section of refractory brick and comprising a portion of the primary chamber wall; wherein the first lower section of refractory brick are more resistant to wear and abrasion than the second upper section of refractory brick; and wherein the second upper section of refractory brick is both more porous and include better insulating qualities than the first lower section of brick.