The hydraulic vane pump is a pump in which the vanes in the rotor groove are in contact with the pump casing (stator ring), and the sucked liquid is pressed from the oil inlet side to the oil discharge side. In addition to preventing dry rotation and over
Nowadays, the paper industry is facing three major problems: Shortage of raw materials, Energy crisis and Pollution. The recycling and reuse of waste paper has ecological and economic value. The waste paper can be called the city's forest resources as