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A kind of non-adhesive bonding composite filter material manufacturing device and using method thereof

A composite filter material and manufacturing device technology, applied in separation methods, chemical instruments and methods, filtration separation, etc., to achieve the effects of tight combination, increased air permeability, and improved service life

Inactive Publication Date: 2016-04-06
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the technical problems such as the above limitations in the production method of the composite filter material in the existing domestic market, and has invented a method and device for manufacturing the composite filter material without glue, and the porosity of the obtained filter material has been greatly improved. Improve the primary service life and filtration efficiency of the filter material, the design of the manufacturing method is reasonable, the production efficiency is high, the process is simple, the fiber thickness of the composite layer is uniform, etc.

Method used

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  • A kind of non-adhesive bonding composite filter material manufacturing device and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: The heat-resistant fiber filter material a uses basalt fiber filter material, the short fiber b is made of polypropylene (PP), and the fiber length is 20mm. There is a temperature gradient in the fourth-level heating components, and the first-level heating components 2-1 will The surface temperature of the filter material a is increased to 50~75°C, the second stage heating part 2-2 raises the surface temperature of the heat-resistant filter material a to 100~125°C, and the third-stage heating part 2-3 heats the surface temperature of the heat-resistant filter material a The temperature is increased to 150-175°C, and the fourth-stage heating assembly 2-4 increases the surface temperature of the heat-resistant filter material a to 175-200°C. The falling speed of short fiber b is 75mg / (m 2 s). The temperature of the cooling water pool is maintained at 50~60°C, and the temperature of the oven is 100°C.

[0023] The heat-resistant fiber filter material a passes ...

Embodiment 2

[0024]Example 2: Take the filter material obtained in Example 1 and the ordinary glued filter material to make a filter of the same specification, and perform an application effect test according to the GB / T6165-2008 national standard. Both filters achieve high filtering effect, and the filtering efficiency is ≥99.9%. However, in the process of continuously holding dust on the filter material, when the resistance of the filter material reaches 2 times of the initial resistance (that is, the test termination condition is reached), the service time of the filter made by using the filter element obtained in Example 1 is increased by 20%.

Embodiment 3

[0025] Example 3: Heat-resistant fiber filter material a is made of basalt fiber filter material, short fiber b is made of polyester fiber (PET), and the fiber length is 20 mm. There is a temperature gradient in the four-level heating part. The first-level heating part 2-1 raises the surface temperature of the heat-resistant filter material a to 80~100 °C, and the second-level heating part 2-2 raises the surface temperature of the heat-resistant filter material a to 160 °C. ~180°C, the third heating element 2-3 raises the surface temperature of the heat-resistant filter material a to 220-200°C, and the fourth heating element 2-4 raises the surface temperature of the heat-resistant filter material a to 260-280°C. The falling speed of short fiber b is 75mg / (m 2 s). The temperature of the cooling pool is maintained at 50~60°C, and the temperature of the oven is 100°C.

[0026] The heat-resistant fiber filter material a passes through the heating unit 2 to heat the surface of th...

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Abstract

The invention relates to a glue-bonding-free composite filter material manufacturing device and an application method thereof. The device mainly comprises a heat-resistant fiber filter material roller, a filter material heating component, a short fiber paving component, a hot rolling roller, a guiding roller, a cooling water tank, a composite filter material roller, and an oven. The application method comprises the following steps: making a heat-resistant fiber filter material go through the heating component so as to heat the surface of the filter material to a certain temperature; rapidly paving the short fibers on the surface of the heat-resistant fiber filter material through feeding the short fibers into a groove, a gear-shaped conveying belt, and the short fiber paving component, making the short fibers be melt and attached on the filter material; then making the filter material coated by the short fibers go through the hot rolling roller so as to strengthen the adhesion effect; then making the filter material go through the guiding roller which can immediately soaking the composite filter material into the cooling water so as to make the composite filter material be tightly adhered, and finally placing the wet composite filter material in the oven to carry out a drying treatment so as to obtain the finished composite filter material. The composite filter paper is prepared through a glue-bonding-free technology, the filter material void fraction is largely improved, the one-time service life and filter efficiency of the filter material are increased, and the manufacturing method of the filter material has the advantages of reasonable design, high production efficiency, simple technology, and even fiber thickness of composite layer.

Description

technical field [0001] The invention belongs to the field of air filtration filter material manufacturing, and in particular relates to a glueless adhesive composite filter material manufacturing device and a use method thereof. Background technique [0002] With the continuous improvement of people's living standards, the control of suspended particles in the air environment has put forward higher requirements in terms of the number and size of purified particles. For the transportation industry, due to space restrictions and safety in actual use The consideration of the filter material puts forward higher requirements for the primary service life and filtration efficiency of the filter material. Different fiber filter materials have their own advantages and disadvantages. Glass fiber filter material has the characteristics of good temperature resistance, low elongation, high strength, and good corrosion resistance. However, glass fiber itself does not have adhesiveness, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D39/14
Inventor 徐斌吴娅
Owner TONGJI UNIV
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