JP2003230819A5 - - Google Patents

Claims (4)

  Both ends of the plurality of hollow fiber membranes are fixed to two opposing housings at an interval between the fixing members shorter than the length of the hollow fiber membrane, and a curved surface having a curvature radius of 5 mm or more in the vicinity of the fixing members. A hollow fiber membrane module provided with a member having   The distance between the member having the curved surface and the hollow fiber membrane closest to the member having the curved surface is 3 to 50 mm, and the hollow fiber membrane is a part of the member having the curved surface that can contact the hollow fiber membrane. The distance between the farthest portion and the root portion of the hollow fiber membrane closest to the farthest portion is 100 mm or less, and a straight line connecting the farthest portion and the root portion of the closest hollow fiber membrane; The hollow fiber membrane module according to claim 1, wherein an angle formed by a plane perpendicular to the fiber axis of the near hollow fiber membrane is 60 degrees or more.   The hollow fiber membrane module according to claim 1 or 2, wherein the plurality of hollow fiber membranes are in sheet form.   A plurality of the hollow fiber membrane modules according to any one of claims 1 to 3 are arranged in a horizontal direction and / or a vertical direction, and the longitudinal direction of the hollow fiber membrane is arranged in a vertical direction, The hollow fiber membrane module unit in which the member which has the said curved surface is provided only in the said fixing member vicinity of the housing located upward among the said opposing housings.