Heating boiler with pollution discharge mechanism

The utility model relates to the field of boilers, and discloses a heating boiler with a blow-off mechanism, which comprises a heating boiler main body, two blow-off pipes, two connecting boxes, two sewage discharge pipes and an automatic blow-off mechanism, the two blow-off pipes are fixedly arranged on the outer side wall of the heating boiler main body, the connecting boxes are fixedly arranged on the outer side wall of the heating boiler main body, and the automatic blow-off mechanism is fixedly arranged on the outer side wall of the heating boiler main body. The two connecting boxes are fixedly installed at the right ends of the corresponding blow-off pipes respectively, the right ends of the two blow-off pipes extend into the corresponding connecting boxes respectively, the two sewage discharge pipes are fixedly installed at the bottoms of the right sides of the corresponding connecting boxes respectively, and the two sewage discharge pipes are communicated with the interiors of the corresponding connec