Device for pure titanium board of brick inner tube chimney is anticorrosive

The utility model provides a device for pure titanium board of brick inner tube chimney is anticorrosive, including fixing the fossil fragments on the chimney inner wall, fossil fragments are including section of thick bamboo wall fossil fragments and vertical fossil fragments, said section of thick bamboo wall fossil fragments are the ring form coaxial with the chimney, and are a plurality of section of thick bamboo wall fossil fragments set gradually along the axial of chimney, the concatenation has a plurality ofly between two rings of adjacent section of thick bamboo wall fossil fragments said vertical fossil fragments, it has the cement mortar layer to fill between adjacent fossil fragments, the fossil fragments inboard is fixed with tube-shape titanium board. The utility model discloses simple structure, construction convenience, longe-lived, antiseptic effect is good.