The utility model relates to a device for preventing metallurgical stove electric dust collector explosion belongs to metallurgical industry, electric dust collector equipment technical field, and itincludes CO detector, metallurgical stove DCS control system, electric dust collector electrical power generating system, metallurgical stove feed of fuel area, reductant conveyer belt etc. And wherein electric dust collector's electric field power is connected to the one end of control line, and the other end is connected to metallurgical stove DCS system cabinet, imported flue gas section at electric dust collector is installed the CO detector and is introduced metallurgical stove DCS system with the detected signal, metallurgical stove fuel or reductant conveying system insert metallurgicalstove DCS system, adopt automatic interlock control between CO detector, metallurgical stove DCS system, electric dust collector, fuel or the reductant conveying system, realize metallurgical stove electric dust collector's safe operation. The utility model has the characteristics of simple structure, degree of automation be high, can prevent effectively that electric dust collector is because ofthe high explosion accident that arouses of CO etc.