Tangential thermal power rotation lame lid and gas stove

The utility model provides a tangent firepower revolving fire cover and a gas stove which comprise an annular fire cover body. The rear side of the cone-shaped loop of the cover body is provided with bar-shaped fire teeth arranged evenly. The axis of the bar-shaped fire teeth is low inside and high outside. The utility model is characterized in that the horizontal projection of the axis of bar-shaped fire teeth shapes a certain angle with the semidiameter of the fire cover. The utility model improves the fire teeth of the fire cover, makes the flame shaping an inner spiry rising flame, and gets the current diffuse inside and then outside from the bottom of the stove through changing the direction of the flame current; therefore, the flame is fully contacted with the stove, and the heat is fully absorbed and the heat efficiency is high.