Method and device for manufacturing a hollow fiber membrane module

Patent metadata

Field	Value
Publication number	US-10933380-B2
Application number	US-201816027179-A
Country	US
Kind code	B2
Filing date	Jul 3, 2018
Priority date	Dec 5, 2017
Publication date	Mar 2, 2021
Grant date	Mar 2, 2021

Abstract

The invention provides a method and a device for manufacturing a hollow fiber membrane module. The present invention, by penetrating the hollow fiber membrane wires into the steel wires and performing rigidization treatment, greatly improves the rigidity of the hollow fiber membrane wire module, thereby avoiding the bending and deformation of or the damage of hollow fiber membrane wire module due to a small force during the production process, which greatly improves the production efficiency of the hollow fiber membrane module. The device of the present invention is used to achieve the above-mentioned method.

First claim

What is claimed:

1. A device for manufacturing a hollow fiber membrane module, the device comprises:
a plurality of steel wires and hollow fiber membrane wires;
a rigidization treatment module, used for penetrating the steel wires into hollow fiber membrane wire segments and fixing the steel wires and the hollow fiber membrane wire segments;
a membrane wire filling module, comprising a hollow fiber membrane module holder and a plurality of holes provided on the hollow fiber membrane module holder, wherein the membrane wire filling module is used for orderly filling the hollow fiber membrane wire segmentsto which rigidization treatment have been performed into accommodating grooves in the hollow fiber membrane module holder; and
a potting and encapsulating module, comprising a glue mixer, a peristaltic pump, a delivery tube, and a centrifuge, wherein the potting and encapsulating module is used for mounting the hollow fiber membrane module holder filled with the hollow fiber membrane wire segments into a casing of the hollow fiber membrane module, and potting and encapsulating the casing, wherein:
the rigidization treatment module comprises a three-axis motion platform, a membrane wire transporting and fixing mechanism which is mounted on the three-axis motion platform, a steel wire gripping mechanism, a head mechanism, and a position identification system which is connected with a motion control circuit of the three-axis motion platform; the position identification system comprising one or more sensing terminals, and the one or more sensing terminals being mounted on the membrane wire transporting and fixing mechanism, the steel wire gripping mechanism and/or the head mechanism;
the membrane wire transporting and fixing mechanism being used for transporting and fixing the hollow fiber membrane wire segments,
and the membrane wire transporting and fixing mechanism comprising a storage hopper and a transporting groove connected to a lower side of the storage hopper;
the steel wire gripping mechanism comprising a threading robot and being used for gripping and fixing the steel wires;
the head mechanism comprising a paraffin mold cavity and a wax injection tube which are communicated with each other, the wax injection tube being used for injecting molten paraffin into the paraffin mold cavity, and the paraffin mold cavity being used for covering two ports of the hollow fiber membrane wire segments to fix the hollow fiber membrane wires and steel wires;
the position identification system being used for sensing the relative location of the membrane wire transporting and fixing mechanism of the steel wire gripping mechanism and of the head mechanism in a three-dimensional space; and
the three-axis motion platform being used in combination with the position identification system, for aligning the steel wires on the threading robot with the hollow fiber membrane wire segments on the membrane wire transporting and fixing mechanism, and penetrating the steel wires into the hollow fiber membrane wire segments, and also being used in combination with the position identification system, for moving the paraffin mold cavity of the head mechanism to the two ports of the hollow fiber membrane wire segments.

2. The device for manufacturing the hollow fiber membrane module according to claim 1 , wherein the steel wire gripping mechanism and the head mechanism are integrally provided on the threading robot; the threading robot comprising two mold sections and a semi-cylindrical gripping groove body and a semi-cylindrical mold cavity groove body being provided at the middle of the mold sections, and the gripping groove body and the mold cavity groove body being coaxially arranged and communicated with each other; a diameter of the gripping groove body being matched with a diameter of the steel wires, and a diameter of the mold cavity groove body being larger than the diameter of the gripping groove body; the gripping groove bodies of the two mold sections jointly forming the paraffin mold cavity when the two mold sections are closed, and a wax injection tube being provided in one of the mold sections.

3. The device for manufacturing the hollow fiber membrane module according to claim 1 , wherein the storage hopper has a cross section of in the form of a cone of which has an upper part that is larger than a lower part, and its bottom being provided with an opening; wherein the transporting groove is connected to the lower side of the storage; both ends of the bottom of the transporting groove are provided with openings; the bottom of the transporting groove being provided with a notch and a cover plate which is electrically controlled to open and close.

4. The device for manufacturing the hollow fiber membrane module according to claim 1 , wherein the device further comprises a steel wire removal module to release the fixing relationship between the steel wires and the hollow fiber membrane wires; wherein the steel wire removal module comprises a centrifuge to remove the steel wires from the hollow fiber membrane wires.

5. The device for manufacturing the hollow fiber membrane module according to claim 1 , wherein the membrane wire filling module further comprises: an insertion robot used for inserting the hollow fiber membrane wires into the holes of the hollow fiber membrane module holder.

Assignees

• Univ Dongguan Technology

Inventors

• Huang Simin
• He Kui

Classifications

• B01D69/106

  Membranes in the pores of a support, e.g. polymerized in the pores or voids · CPC title

• B01D63/0223

  by fixing the hollow fibres prior to encapsulation · CPC title

• B01D63/023 Primary

  Encapsulating materials · CPC title

• B01D2323/42

  Details of membrane preparation apparatus · CPC title

• B01D69/08 Primary

  Hollow fibre membranes (manufacture of hollow fibres D01D5/24, D01F1/08) · CPC title