| 摘要 |
FIELD: machine building.SUBSTANCE: filter element includes a membrane with a built-in permeable channel, which has a flexible structure and includes upper and lower membrane layers and material of base for support of the above membrane layers; with that, the above base represents a three-dimensional runner cloth having upper and lower fabric surfaces connected to each other and equally spaced with monofilament treads at the specified distance, and a frame device. The frame device service as a membrane support.EFFECT: longer service life of filter membranes.15 cl, 32 dwg |
