Hollow short tube membrane filler

The utility model discloses a hollow short tube membrane filler. The hollow short tube membrane filler is characterized in that a short tube is hollow; one end of the short tube is opened; and the other end of the short tube is sealed or provided with a plurality of micropores. The length of the filler is 4-8 cm; the diameter of the filler is 2-4 cm; the diameter of the micropore on the sealed end is 5-10 mm; and the total area of the holes is 40-60 percent of the section area of the tube. The internal and external surfaces of the short tube are coarse and unpolished, and also are provided with regular and irregular textures. The filler fully plays the advantages of the hollow short tube filler, has a simple structure and a low price, is convenient to machine and use, and also has the functions of the membrane filler for conventional biological processing and the function of preventing sludge from running off and promoting the separating of the sludge and water in the biological processing. The filler has an