Caloric value instrument room safety warning system

The utility model relates to a caloric value instrument room safety warning system. The caloric value instrument room safety warning system comprises a caloric value instrument room safety indicator lamp which is mounted outside the caloric value instrument room and connected with a caloric value instrument control system, a caloric value instrument running status indicator lamp and a pipeline control electric valve; the pipeline control electric valve is mounted on a coke oven gas sampling pipeline. The caloric value instrument control system is further connected with a combustible gas monitoring system which is connected with a CO concentration detector and an exhaust fan in the caloric value instrument room. Compared with the prior art, the caloric value instrument room safety warning system has the following beneficial effects: the caloric value instrument room safety indicator lamp and the caloric value instrument running status indicator lamp are mounted outside the caloric value instrument room, the maintenance personnel can enter the caloric value instrument room to perform maintenance in the safe state in first time, and the equipment maintenance timeliness is improved and the safety of the maintenance personnel is effectively protected; the electric valve is mounted on the sampling pipeline outside the caloric value instrument room, the on and off of the sampling gas pipeline are automatically controlled by use of the DCS system, the safety of the system is improved and the automatic control level is increased.