Filter for preparing budesonide triene

The utility model provides a filter for preparing budesonide triene, which comprises an equipment shell, an electric push rod is fixed at the upper part of the inner side of the equipment shell through a bolt, and the lower part of an output rod of the electric push rod is in threaded connection with a conical extrusion head. A single-stage filtering assembly convenient to disassemble is fixed in the middle of the inner side of the equipment shell, a multi-stage filtering frame assembly is installed on the lower portion of the inner side of the equipment shell, an inclined guide plate is connected to the bottom of the inner side of the equipment shell in a glued mode, a discharging valve is connected to the lower portion of the right side of the equipment shell in a threaded mode, and the inner side of the discharging valve is communicated with the lower portion of the inner side of the equipment shell. The filtering device has the beneficial effects that through the arrangement of the bracket with the holes,