Tubular membrane preparation device

The utility model relates to a tubular membrane preparation device, which comprises a batching mechanism, an inert gas supply mechanism, an inert gas supply mechanism and a control mechanism, the filmmaking mechanism comprises a film storage tank, a material conveying pump, a sintering pipe device and a vacuum pump which are connected in sequence, and the film storage tank is connected with the filter; the sintering pipe device comprises a material conveying opening, a sintering pipe fixing frame and a material suction block, an annular groove is formed in the material suction block, the bottom of the groove is connected with the vacuum pump, and the material suction block can move up and down in the axial direction of the sintering pipe. According to the tubular membrane preparation device provided by the utility model, a tubular membrane with a thicker functional layer can be produced; according to the utility model, the membrane preparation raw material is pressed into the sintering tube in the sintering t