elf- cleaning filter is a kind of clarifying separation equipment with high-efficiency, energy-saving and enclosed operation. It is traits as follows:

　　(1). Completely enclosed filtration no leakage, no pollution.

　　(2). The filtering core adopts component structure which can be used widely and excellent filtering effect.

　　(3). It can be thoroughly filtered once.

　　(4). Filter cake can be washed and dried in that it can achieve the best economical benefit.

　　(5). Adopting air blowing in reverse to discharge the residue which is rapid and clean, and also used in various sticky materials.

　　(6). The whole process can achieve completely full automatization.