High ventilation valve control system that arranges of million unit steam turbines

The utility model discloses a high ventilation valve control system that arranges of million unit steam turbines, it includes pneumatic line and double -acting air cylinder, double -acting air cylinder's telescopic link and the high case of arranging the blow valve are connected, accomplish high the closing and opening of blow valve of arranging through stretching out of telescopic link with the indentation, pneumatic line includes the admission line, first execution pipeline, pipeline and control pipeline are carried out to the second, first execution pipeline, the second is carried out the inlet end of pipeline and control pipeline and is connected with the end of giving vent to anger of admission line respectively, carry out the flexible of pipeline control double -acting air cylinder through first execution pipeline and second, through the first break -make of carrying out the gas of pipeline and second execution pipeline of control pipeline control. The utility model discloses a control unit can keep at