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Nano fiber and glass fiber composite filter material and preparation method thereof

A technology of glass fiber and nanofiber, which is applied in the field of nanofiber composite glass fiber filter material and its preparation, can solve the problems of limited dust removal efficiency and high cost, and achieve the effects of easy dust removal, improved filtration efficiency and low process cost

Inactive Publication Date: 2010-06-09
CHONGQING ZAISHENG TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this process are: (1) the average pore size of the coating and membrane is 0.2-3 μm, and the dust removal efficiency is limited; (2) the cost is high

Method used

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  • Nano fiber and glass fiber composite filter material and preparation method thereof
  • Nano fiber and glass fiber composite filter material and preparation method thereof
  • Nano fiber and glass fiber composite filter material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1～4

[0026] Table 1 is the performance of the glass fiber filter material used in each embodiment of the present invention.

[0027] Table 1:

[0028] sequence

No

project

unit

Example 1

Example 2

Example 3

Example 4

1

5.3cm / s 0.3um efficiency

％

94

98

99.98

99.9995

2

airflow resistance

0.32L / cm 2 .min

Pa

108

170

320

480

3

thickness

mm

0.33

0.33

0.33

0.33

[0029] Table 2 is the process parameter of each embodiment of the present invention.

[0030] Table 2:

[0031]

Centrifugal disc and collector

distance cm

polymer solution

Flow rateml / min

centrifugal disc

rotation speed rpm

Between centrifugal disc and collector

Potential KV

Example 1

62

10

6500

110

Example 2

65

15

7500

...

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PUM

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Abstract

The invention discloses a nano fiber and glass fiber composite filter material and a preparation method thereof. The nano fiber and glass fiber composite filter material comprises a glass fiber filtrate and nano fibers boned onto the surface of the glass fiber filtrate, wherein the average aperture of the glass fiber filtrate is less than or equal to 20 mum; and the average diameter of the nano fibers is less than and equal to 0.05 mum. At the same time, the invention also discloses a preparation method of the nano fiber and glass fiber composite filter material comprises: 1, driving the glass fiber filtrate by using a draw gear to pass through an electric field generated between a centrifugal pan and a collector electrode; 2, pumping solution of a polymer into the centrifugal pan to generate nano fibers in the electric field under the action of the centrifugal pan rotating at a high speed, and driving the nano fibers toward the collector electrode and allowing the nano fibers to deposit on the surface of the glass fiber filtrate; and 3, drying the glass fiber filtrate the surface of which is boned with the nano fibers. In the invention, under a condition of constant resistance, the filtration efficiency of the glass fiber filtrate is improved, and the glass fiber filtrate allows for easy ash removal.

Description

technical field [0001] The invention relates to a filter medium of an air filter, in particular to a nanofiber composite glass fiber filter material and a preparation method thereof. Background technique [0002] Air filtration is air filtration, which refers to the near complete removal of polluting particles in the air through the filter material. The filter material is a porous material that can separate solid particles dispersed in a dispersed fluid, which can be gas or liquid. The types of filter media include fiber filter material, microporous filter membrane and film-coated filter material. The filter material determines the effect and benefit of the filtration process. [0003] Glass fiber filter material is widely used in the field of filter materials because of its high temperature resistance, strong corrosion resistance, and good dimensional stability, but there are problems such as low filtration efficiency, increased resistance after long-term operation, and r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D39/14
Inventor 郭茂刘军
Owner CHONGQING ZAISHENG TECH CORP
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