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Hybrid fiber grid fabric reinforced polypropylene compound filtering plate and preparation method thereof

A fabric-reinforced and mixed-fiber technology, applied in the field of mixed-fiber grid fabric-reinforced polypropylene composite filter plate and its preparation, can solve problems such as insufficient strength and insufficient stability of the filter plate, achieve reduced thickness and quality, and good industrial application Foreground, effect of prolonging service life

Active Publication Date: 2019-01-18
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a hybrid fiber grid fabric reinforced polypropylene composite filter plate and its preparation method, which solves the problems of insufficient stability and insufficient strength of the filter plate in the prior art

Method used

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  • Hybrid fiber grid fabric reinforced polypropylene compound filtering plate and preparation method thereof
  • Hybrid fiber grid fabric reinforced polypropylene compound filtering plate and preparation method thereof
  • Hybrid fiber grid fabric reinforced polypropylene compound filtering plate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A hybrid fiber mesh fabric-reinforced polypropylene composite filter plate, which contains the following components in die-cast molding, and the weight ratio of each component is as follows:

[0036] Polypropylene resin 60;

[0037] Inorganic mineral powder 14;

[0038] Continuous inorganic fiber 12;

[0039] Continuous organic fiber 12;

[0040] Coupling agent 1.5;

[0041] Antioxidant 0.25;

[0042] Lubricant 0.25.

[0043] A preparation method of hybrid fiber mesh fabric reinforced polypropylene composite filter plate includes the following steps:

[0044] Step 1. Weaving and impregnation: Inorganic fiber and organic fiber are compositely woven into a mesh cloth in a certain proportion, impregnated with coupling agent, and dried for later use;

[0045] Step 2. Reclaiming: Take the other components in parts by weight, mix them evenly, dry and remove water to obtain the mixture;

[0046] Step 3. Die casting molding:

[0047] 1) Put a piece of glass inorganic fiber and organic fiber com...

Embodiment 2

[0052] A hybrid fiber mesh fabric-reinforced polypropylene composite filter plate, which contains the following components in die-cast molding, and the weight ratio of each component is as follows:

[0053] Polypropylene resin 50;

[0054] Inorganic mineral powder 18;

[0055] Continuous inorganic fiber 15;

[0056] Continuous organic fiber 15;

[0057] Coupling agent 1.5;

[0058] Antioxidant 0.25;

[0059] Lubricant 0.25.

[0060] A preparation method of hybrid fiber mesh fabric reinforced polypropylene composite filter plate includes the following steps:

[0061] Step 1. Weaving and impregnation: Inorganic fibers and organic fibers are compositely woven into a composite mesh cloth in a certain proportion, impregnated with coupling agent, and dried for later use;

[0062] Step 2. Reclaiming: Take the other components in parts by weight, mix them evenly, dry and remove water to obtain the mixture;

[0063] Step 3. Die casting molding:

[0064] 1) Put a piece of inorganic fiber and organic fib...

Embodiment 3

[0069] A hybrid fiber mesh fabric-reinforced polypropylene composite filter plate, which contains the following components in die-cast molding, and the weight ratio of each component is as follows:

[0070] Polypropylene resin 70;

[0071] Inorganic mineral powder 8;

[0072] Continuous inorganic fiber 10;

[0073] Continuous organic fiber 10;

[0074] Coupling agent 1.5;

[0075] Antioxidant 0.25;

[0076] Lubricant 0.25.

[0077] A preparation method of hybrid fiber mesh fabric reinforced polypropylene composite filter plate includes the following steps:

[0078] Step 1. Weaving and impregnation: Inorganic fibers and organic fibers are compositely woven into a mesh cloth in a certain proportion, and the coupling agent is impregnated at room temperature for 12 hours, and dried for later use;

[0079] Step 2. Reclaiming: Take the other components in parts by weight, mix them evenly, dry and remove water to obtain the mixture;

[0080] Step 3. Die casting molding:

[0081] 1) Put a piece of com...

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Abstract

The invention provides a hybrid fiber grid fabric reinforced polypropylene compound filtering plate and a preparation method thereof. A complex fiber reinforced polypropylene, which is formed by weaving inorganic fiber with organic fiber, is taken as a main material of the filtering plate. The filtering plate is prepared from the following components in parts by weight in the manner of die-cast formation: polypropylene resin, inorganic mineral powder, continuous inorganic fiber, continuous organic fiber, coupling agent, antioxidant and lubricating oil. According to the preparation method provided by the invention, due to the compound components and structure characteristics of gridding cloth, the whole structure and mechanical properties of the filtering plate are isotropic. A molding method of gradually increasing pressure and temperature and maintaining pressure and temperature is adopted and pressing molding under room temperature is performed, so that the internal stress of the filtering plate is relieved and the compactness, density and size of the filtering plate are stable and uniform.

Description

Technical field [0001] The invention relates to the field of filter presses of filtration equipment, in particular to a hybrid fiber mesh fabric reinforced polypropylene composite filter plate and a preparation method thereof. Background technique [0002] Filter press is a commonly used solid-liquid separation equipment. The filter mechanism is the core component of the filter press, and the filter plate is the key element of the filter mechanism. Its material and performance play a vital role in material filtration and directly determine Whether the filter mechanism can operate normally or not is related to the service life and filtering effect of the filter press. The material to be filtered enters each filter chamber from the feed hole on the thrust plate of the filter press, and the filter cloth is compressed by the pressure between the plate and frame. The solid particles are trapped in the filter chamber because the particle size is larger than the pore size of the filter ...

Claims

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Application Information

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IPC IPC(8): B01D39/14B01D25/12
CPCB01D25/12B01D39/14
Inventor 王艳芝田慧敏
Owner ZHONGYUAN ENGINEERING COLLEGE
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