Fireproof curtain wall structure, keel structure, mounting structure and mounting method thereof

The invention relates to a fireproof curtain wall structure, which relates to a curtain wall fireproof technology, and comprises an outer decorative layer, a thermal insulation layer arranged on the inner side of the outer decorative layer, and a fireproof mechanism used for spraying water outwards when a fire occurs, the fireproof mechanism comprises a water pipeline communicated with an external water source, and a plurality of water holes are formed in the water pipeline; a water through hole is formed in the shell, a fusing piece is arranged in the water through hole, the fusing piece comprises a shell installed in the water through hole, a liquid containing cavity is formed in the shell, and a thermal expansion reagent is arranged in the liquid containing cavity. The curtain wall has the advantage of slowing down the fire behavior after the fire behavior occurs. 本申请涉及一种防火型幕墙结构，涉及幕墙防火技术，包括外饰层，设置于所述外饰层内侧的保温层，以及当出现火情后用于向外喷水的防火机构；所述防火机构包括与外界水源连通的通水管道，所述通水管道上设有若干通水孔；所述通水孔内设有熔断件，所述熔断件包括安装至所述通水孔内的壳体，所述壳体内设有置液腔，