Automatic rapid detection system for trace chloride ions in power plant water vapour

The utility model provides an automatic rapid detection system for trace chloride ions in power plant water vapour. The automatic rapid detection system comprises a reaction reagent bottle (1), an eluant bottle (2), a water sample bottle (3), a flow injection analyser (14), a combined module (6), an ion exchange column (8), a reaction coiled tube (9) and a detector (10), wherein the flow injection analyser (14) mainly comprises a pump A (4), a pump B (5) and a multi-channel valve (7); the reaction reagent bottle is connected with the multi-channel valve via the pump A through a pipeline, the water sample bottle is connected with the multi-channel valve via the pump B through a pipeline, the eluant bottle is connected with the inlet of the combined module via the pump A through a pipeline, the multi-channel valve is connected with the other inlet of the combined module through a pipeline, the outlet of the combined module is connected with the inlet of the reaction coiled tube through a pipeline, the outlet of the reaction coiled tube is connected with the detector through a pipeline, and the inlet and the outlet of the ion exchange column are connected with the multi-channel valve through a pipeline respectively.