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Hollow Fiber Membrane Module

A fiber membrane and hollow technology, which is applied in the field of hollow fiber membrane modules, can solve the problems of serious operating pressure pollution, unable to contribute to the separation of pollutants in the hollow fiber membrane, and air separation.

Active Publication Date: 2016-01-20
LG CHEM LTD
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Problems solved by technology

[0012] However, in such a conventional submerged hollow fiber membrane module, a part of the air (air bubbles) flowing out through the air diffusion holes 22 of the above-mentioned support part 20 is detached (moved) to the outside of the hollow fiber membrane module, and cannot contribute to the Separation of Contaminants from the Surface of the Hollow Fiber Membrane 10
In particular, the upper region of the hollow fiber membrane 10 is more heavily polluted than the lower region due to the difference in operating pressure, and detachment of air occurs, which may further aggravate the pollution.

Method used

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Embodiment Construction

[0054] It should be noted that the technical terms used in this specification are only used to describe specific embodiments, not to limit the present invention. Moreover, as long as the technical terms used in this specification are not defined in other meanings, they should be interpreted as meanings commonly understood by those of ordinary skill in the art to which the present invention belongs, and cannot be interpreted as excessively encompassing or excessively narrowing meanings. Furthermore, when the technical terms used in this specification are erroneous technical terms that cannot accurately express the idea of ​​the present invention, they should be replaced with technical terms that can be accurately understood by those skilled in the art. Moreover, the common terms used in the present invention should be interpreted according to the definition of the dictionary or according to the context, and should not be interpreted in an excessively narrow meaning.

[0055] In...

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Abstract

The present invention relates to a hollow fiber membrane module comprising: a hollow fiber membrane; a support portion provided at the lower end of the hollow fiber membrane; a collector provided at the upper end of the hollow fiber membrane; an extension pipe extended upward from the support portion; and an air diffusion unit for diffusing air to the upper region of the hollow fiber membrane, spaced from the upper part of the support. Therefore, it is possible to inhibit contamination of the upper region of the hollow fiber membrane.

Description

technical field [0001] The present invention relates to a hollow fiber membrane module, and more specifically, to a hollow fiber membrane module capable of easily removing contaminants in the upper region of the hollow fiber membrane. Background technique [0002] As we all know, separation membrane technology is a kind of separation technology that utilizes the material-selective permeation properties of polymer materials. [0003] Existing separation membranes have various forms such as spiralwound, tubular, hollow fiber and plate and frame. [0004] Since the above-mentioned hollow fiber form utilizes a hollow tube-shaped hollow fiber with a diameter of 0.2 to 2 mm and a hollow center, the membrane area ratio per unit volume is relatively high compared with other forms, and has higher productivity. [0005] The hollow fiber-shaped separation membrane is formed in a module by making hollow fibers bundled. [0006] Among the hollow fiber membrane modules, a so-called subm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D63/02B01D65/02
CPCC02F1/441B01D61/02B01D2313/26C02F2303/16
Inventor 金道熙金相润桂正一金玟廷金钟德
Owner LG CHEM LTD
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