1. Centrifugal filter, using pressure lubrication system itself, a reaction torque generated by the oil nozzle, to drive the rotation of the rotor, rotor in oil under the action of centrifugal force isolated solid impurities, the accumulation of in the inner wall of the rotor, the center part of the rotor oil became clean, shell from the bottom of the nozzle flows back to the oil. This is the principle of centrifugal filter. If the oil in the center of the rotor is directly introduced into the main oil channel, it becomes the whole flow centrifugal filter.
2 plastic filter, the use of a certain heat and corrosion resistant engineering plastic, molded through the porous nature of the filtering effect of the filter. This filter can be maintained after a certain code of practice to continue to use.
. around the line type filter, steel or brass band rolling into, the surface every certain distance have a convex shape, mm height of the convex 0.04~0.09, to the metal band is wound on a surface of the groove of the corrugated tube, the underside of a band and a band convex surface contact, resulting in the formation of many gaps, which is around the line slot type filter.
4. The metal filter core net, every inch of 100 ~ 200 mesh copper wire mesh or brass wire mesh as filter material, filter shape is cylindrical and laminated sheet shape. Metal mesh filter flow, small resistance, reliable, easy to clean, commonly used for full flow filtration. As the mesh filter fineness specifications. In recent years, due to the development of chemical industry, it has been useful to support the framework of the filter mesh, nylon cloth instead of metal mesh, such a structure, saving non-ferrous metals, is conducive to the development of production.
5 chip with sit up and take notice filter, thin steel strip steel sheet, filter, spacers, scraping punch made of three kinds of shapes. The thickness of the filter sheet is 0.1~0.2 mm, the thickness of the spacer and the wiper blade is 0.06~0.08 mm. The filter core is composed of a plurality of pieces of filter sheets and a spacer alternately. Scraping plate is fixed on another pillar, each scraping sheet is inserted between the two filter, rotating filter attached dirt on the edge of the filter was scraping scraped, settlement at the bottom of the filter shell, through the drain plug to let go. The rotation of the filter core can be operated by hand and foot, and can also be driven by mechanical transmission.
6. Filter element of sawdust, sawdust filter also called sawdust filter, with the red and white pine sawdust as raw material, the screen sorting, mixed with pulp moulding forming, dewatering and drying, single sawdust filter a variety of raw materials, simple process, good filtering fineness. This is its advantages. However, due to the dense structure of the filter core, the resistance is larger, a shorter life, can only be used for shunt filter.
7 microporous filter core, with a resin impregnated special filter paper, after the heat curing process stiffness and strength are greatly improved, can withstand a certain pressure difference. The paper filter in the process of using pincha, shorten the service life. In order to overcome this shortcoming, in the filter wall lining and lining in a frame, or on the surface of filter paper rolling corrugated waveform, its service life can be increased by 2 to 3 times.