Air supply device, gas turbine system and using method thereof

An air supply device, comprising:

• an air intake compartment, comprising a connection end, and the connection end being configured to be connected with a gas turbine device;
• a combustion air intake filter, located in the air intake compartment;
• a combustion air intake silencer, located in the air intake compartment and connected with the combustion air intake filter;
• a combustion air intake interface, connected with the combustion air intake silencer;
• and
• a sound insulation turnover mechanism, comprising a sound insulation flap and a turnover mechanism,
• wherein:
• the air intake compartment comprises a first bottom plate and a tail plate that is located at the connection end, the tail plate is intersected with the first bottom plate, the combustion air intake interface is located on the tail plate, and the sound insulation flap is located at the connection end, and the turnover mechanism is connected with the sound insulation flap and is configured to drive the sound insulation flap to rotate relative to the tail plate.