Interior pressure tubular micro -filtration membrane

The utility model provides an interior pressure tubular micro -filtration membrane, it includes: the membrane shell that inside cavity set up, its one end is provided with the water inlet, and the other end is provided with the dense mouth of a river, is provided with on its lateral wall to produce the mouth of a river, the membrane core that inside cavity set up, it is located in the membrane shell, and with the clearance has between the membrane shell, the water inlet and the dense mouth of a river with membrane core's inner space keeps communicateing, and with the clearance keeps not communicateing, produce the mouth of a river with the clearance is linked together, membrane core's outside membrane with be provided with played a supporting role's skeleton texture between membrane core'sthe inboard membrane. The utility model discloses an interior pressure tubular micro -filtration membrane sets up skeleton texture between through outside membrane at membrane core and inboard membrane, has improved membrane