High-low pressure two-stage industrial steam extraction heat supply device of steam turbine

The utility model discloses a high-low pressure two-stage industrial steam extraction heat supply device of a steam turbine, and relates to the technical field of steam turbines. Comprising a pipeline, a heat supply device is arranged at the right end of the pipeline, a sliding rod is fixedly installed on the inner wall of the pipeline, a sliding block is slidably connected to the sliding rod, the outer wall of the sliding block is fixedly connected with one end of a short rod, the other end of the short rod is fixedly connected with the outer wall of a long rod, and the bottom end of the long rod is fixedly connected with an air cylinder. According to the high-low pressure two-stage industrial steam extraction and heat supply device for the steam turbine, pressure channeling from high pressure to low pressure can be prevented through the arrangement of the pressure channeling prevention device, meanwhile, the air flow direction can be controlled through the arrangement of the air guide plate, and the heat su