Energy-saving emission reduction filter capable of prolonging service life of lubricating oil

The utility model discloses an energy-saving emission reduction filter capable of prolonging the service life of lubricating oil. An inner screen cylinder frame (3) and an outer screen cylinder frame (4) are connected between upper and lower end covers of the filter; the outer surface of the inner screen cylinder frame and the inner surface of the outer screen cylinder frame are respectively connected with an inner screen protecting cloth (10) and an outer screen protecting cloth (9); an annular space formed by the inner screen protecting cloth and the outer screen protecting cloth is filled with a water absorbent cellulose resin filter layer (7); and a support reinforcing member (5) is arranged in the inner chamber of the inner screen cylinder frame. The energy-saving emission reduction filter capable of prolonging the service life of lubricating oil has effects of absorbing water which enters the engine and the engine oil, filtering various impurities contained in the lubricating oil and utilizing physical