Anti-icing wind power blade and blade deicing and heating method

An anti-icing wind power blade, comprising a wind turbine blade, wherein the wind turbine blade is provided with an anti-icing heating device, characterized in that the anti-icing heating device consists of an air heating system and an electric heating system, wherein the two systems are independent from each other, without mutual interference, and heat the wind turbine blade separately or simultaneously,

• wherein the air heating system and the electric heating system are both located inside the wind turbine blade, wherein the air heating system comprises an air heating control cabinet and an air heating device, and the electric heating system comprises an electric heating control cabinet and an electric heating element, the wind turbine blade being divided into a front edge and a back edge by a front edge web plate and a back edge web plate, wherein the air heating device is disposed in the back edge and the electric heating element is disposed on the outer surface of the front edge of the blade, and the air heating control cabinet and the electric heating control cabinet are disposed at the blade root,
• wherein a choke plate II is located between the blade tip of the front edge and the front edge web plate, a choke plate III is located between the blade root of the front edge and the front edge web plate, a guide duct is provided in the back edge web plate, wherein the guide duct is connected with the air heating system, and wherein a choke plate I is located between the two ends of the guide duct,
• wherein the air heating system comprises a wind blower and a PTC heating device, and the electric heating element consists of carbon fiber composite, and the guide duct is fixed on the back edge web plate with handmade glass fabric, wherein the guide duct is made of fiberglass.