Apr 27, 2023
Çimento endüstrisinde toz giderme için cam elyaf filtre malzemesi seçimi ve uygulaması
The cement production process produces a large amount of dust with high temperature, high humidity and corrosive gas, and the dust concentration is high and the temperature fluctuates widely, only the glass fiber filter material with high temperature resistance, corrosion resistance and anti-condensation can meet the needs of cement industry dust removal. Çimento üretimi sürecinde, farklı toz yükselme noktalarında baca gazı tozunun kimyasal bileşimi, fiziksel özellikleri ve çalışma koşulları farklıdır; ikincisi, farklı formlardaki torba filtrenin filtrasyon yöntemi, toz temizleme yöntemi ve filtrasyon hava hızı çok farklıdır. Cam elyaf filtre malzemesi onlarca yıldır araştırılıp geliştirilmiştir ve türleri artmakta ve daha uzmanlaşmış ve hedeflenmektedir. Yalnızca çalışma koşullarının gerçek kullanım noktasına göre, ihtiyaçları karşılamak ve rolü oynamak için uygun filtre ortamını seçin. Bu makale cam elyaf filtre malzemelerinin temel performansını birkaç tipik uygulama örneğini sunarak kısaca açıklamaktadır. 1. Cam elyaf filtre malzemelerinin temel performansı 1.1 The material of glass fiber filter material Glass fibers can be divided into two categories in terms of their alkali metal oxide content in the glass composition, alkali-free glass fibers (E - fiberglass) and medium alkali glass fibers (C - fiberglass). The difference in alkali metal oxide content affects the production process of glass fibers and determines the performance of glass fibers and their products. Alkali-free glass fibers can be produced with a single fiber diameter of 8 to 9μ. The difference in fiber diameter, woven into the same thickness of glass fiber cloth, the strength, wear resistance, folding and other properties vary greatly. Different glass fiber material will affect its use temperature, alkali-free glass fiber filter material can be used for a long time at a temperature of 280 ℃, instantaneous (within 1 hour) temperature resistance of up to 350 ℃, while the use of medium alkali glass fiber filter material temperature is only 260 ℃, instantaneous temperature resistance of 300 ℃ or less. 1.2 The fabric structure of glass fiber filter material Glass fiber filter material permeability, filtration efficiency are closely related to its fabric structure, fabric structure is divided into three categories: twill, satin, weft two heavy. In the dusty flue gas, the same fabric structure, the permeability of glass fiber expanded yarn filter material is higher than that of continuous glass fiber filter material, and the permeability of glass fiber needle-punched felt material is the highest. 1.3 The thickness of glass fiber filter material Glass fiber filter material thickness (sometimes measured by the mass per unit area) will determine the fracture strength of this filter material and the filtration air speed used, and will also determine the radial fracture strength of alkali-free continuous glass fiber filter material and alkali-free glass fiber expanded yarn filter materi...
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