Adopting special "armoured belt" outerprotection is convenient to install.
采用特殊“装甲带”外保护，安装便捷。
2
Furnace and back-end enclosure wall all adopt membrane wall structure. The outside of tube wall is insulation material and is covered with trapezoid corrugated outerprotection plate.
炉膛及尾部包墙均采用膜式壁结构，管壁外侧为保温材料并罩上梯形波纹外护板。
3
The implanting device comprises canal head, inner pipe, close end controller, middle pipe, wire pipe, outerprotection mechanism, at least one locking wire and at lest one bracket pulling wire.