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A ceramic hollow fiber membrane filter element and its components

A fiber membrane and membrane module technology, applied in the field of ceramic hollow fiber membrane filter element and its components, can solve the problems of difficult sealing and poor strength, and achieve the effect of high filling area, high permeation flux, and broadening the application field of membrane

Active Publication Date: 2018-05-11
江苏旭一高科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The module maintains the characteristics of high filling area of ​​the hollow fiber membrane, and effectively solves the bottleneck problems such as poor strength and difficult sealing in the industrial application process of the hollow fiber membrane

Method used

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  • A ceramic hollow fiber membrane filter element and its components
  • A ceramic hollow fiber membrane filter element and its components
  • A ceramic hollow fiber membrane filter element and its components

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] like figure 1 As shown, the ceramic hollow fiber molecular sieve membrane filter element consists of 58 hollow fiber molecular sieve membranes 1 with a single NaA channel, a porous base 3 and a porous cover plate 2 . The hollow fiber NaA molecular sieve membrane tube is 20cm long, and the carrier is made of α-Al 2 O 3 Composition, the outer diameter is 3mm, the average pore diameter is 0.8 μm, and the porosity is 35%. Both the porous base and the porous cover are circular, with a thickness of 2 cm, containing 58 membrane holes, and the material is ceramic alumina ceramics. One end of the hollow fiber molecular sieve membrane tube is inserted into the membrane hole of the ceramic base through the ceramic cover plate, sealed by pouring ceramic glue, and the membrane cover plate is opened. The closed hole at the other end is sealed with the membrane hole of the porous cover plate to form a hollow fiber molecular sieve membrane filter element. The distance between the me...

Embodiment 2

[0061] The ceramic hollow fiber molecular sieve membrane filter element consists of 89 T-shaped single-channel ceramic hollow fiber molecular sieve membranes 1, a porous base, and a porous cover plate. The hollow fiber T-type molecular sieve membrane tube is 30cm long, the carrier is composed of YSZ, its outer diameter is 3.6mm, the average pore diameter is 0.6μm, and the porosity is 45%. Both the porous base and the porous cover are circular, with a thickness of 1.5 cm, containing 89 membrane holes, and the material is polytetrafluoroethylene. One end of the hollow fiber molecular sieve membrane tube is inserted into the membrane hole of the polytetrafluoroethylene base through the polytetrafluoroethylene cover plate, and epoxy resin is poured to seal it, and the membrane base is opened. The closed hole at the other end is sealed with the membrane hole of the porous cover plate to form a hollow fiber molecular sieve membrane filter element, and the distance between the membra...

Embodiment 3

[0064] The ceramic hollow fiber molecular sieve membrane filter element includes 126 single-channel ceramic hollow fiber MFI molecular sieve membrane tubes, a porous base, and a porous cover plate. The hollow fiber MFI molecular sieve membrane tube is 40cm long, and the carrier is made of TiO 2Composition, the outer diameter is 2mm, the average pore diameter is 1.0μm, and the porosity is 50%. Both the porous base and the porous cover are circular with a thickness of 1.5 cm and contain 126 membrane holes. One end of the hollow fiber MFI molecular sieve membrane tube is inserted into the membrane hole of the ceramic base through the ceramic cover plate, sealed with epoxy resin, and the membrane cover plate is opened. The closed hole at the other end is sealed with the membrane hole of the porous cover plate to form a hollow fiber molecular sieve membrane filter element, and the distance between the membrane tubes is 4mm.

[0065] The ceramic hollow fiber molecular sieve membra...

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Abstract

The invention relates to a ceramic hollow fibrous membrane filter element component and an assembly with the same. The ceramic hollow fibrous membrane filter element component comprises a plurality of ceramic hollow fibrous membrane tubes, a porous base and a porous cover plate. One end of each ceramic hollow fibrous membrane tube is inserted into a corresponding membrane hole of the base via the porous cover plate, and sealing materials are poured in the ceramic hollow fibrous membrane filter element component. The other end of each ceramic hollow fibrous membrane tube is connected with a corresponding hole in the porous cover plate, so that the ceramic hollow fibrous membrane filter element component can be manufactured. The ceramic hollow fibrous membrane filter element component is hermetically fixed into a shell to form the hollow fibrous membrane assembly. The ceramic hollow fibrous membrane filter element component and the assembly have the advantages that large filling areas of ceramic hollow fibrous membranes can be maintained, ceramic hollow fibers can be sealed, the strength of the hollow fibrous membranes can be improved, and the application field of the hollow fibrous membranes can be expanded.

Description

technical field [0001] The invention relates to a ceramic hollow fiber membrane filter element and its assembly, belonging to the field of inorganic membranes. Background technique [0002] Ceramic hollow fiber membranes have attracted more and more attention due to their small diameter, thin wall and high packing density. Among them, the hollow fiber membrane is expected to become the configuration adopted by a new generation of inorganic ceramic membrane element products due to its higher permeation flux, such as: ceramic nanofiltration membrane, ceramic ultrafiltration membrane, molecular sieve membrane, etc. [0003] Among them, compared with traditional liquid phase extraction, adsorption, chemical precipitation, ion exchange and other separation technologies, inorganic ceramic nanofiltration membrane separation technology has a higher volume concentration factor, does not produce secondary pollutants, and compared with organic membranes , The ceramic membrane can with...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D63/02B01D69/08
CPCB01D63/02B01D69/08
Inventor 顾学红洪周宋瑛
Owner 江苏旭一高科技有限公司
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