Slag dropping device and circulating fluidized bed boiler

The invention provides a slag dropping device and a circulating fluidized bed boiler. The slag dropping device comprises a slag dropping pipe and slag poking devices, wherein each of the slag poking devices consists of a slag poking pipe, a slag poking piece, a blocking plate fixing device and a fastening screw. According to the slag dropping device provided by the invention, discharging bottom slags is realized through the slag dropping device, and the function of slag poking is realized through arranging the independent slag poking devices on the slag dropping pipe, so that slag is efficient to discharge, and the occurrence of coking enlarging accidents is avoided. 本发明提供了种落渣装置及循环流化床锅炉。落渣装置包括落渣管和捅渣装置，捅渣装置由捅渣管、捅渣件、堵板固定装置和紧定螺丝组成。本发明提供的落渣装置，既通过落渣装置实现底渣的排放，又通过在落渣管上设置独立的捅渣装置实现捅渣功能，高效排渣，避免结焦扩大事故的效果。