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除尘器布袋的详细介绍以及它的分类

作者: 西小营 时间:2019-03-03 来源:未知
摘要:除尘器布袋 的选材主要是合成纤维、玻璃纤维或天然纤维织成的布或毡。根据需要再把布或毡缝成圆筒或扁平形 除尘器布袋 。根据烟气性质,选择出符合应用条件的滤料。 通常,在烟...

除尘器布袋的选材主要是合成纤维、玻璃纤维或天然纤维织成的布或毡。根据需要再把布或毡缝成圆筒或扁平形除尘器布袋。根据烟气性质,选择出符合应用条件的滤料。
 
通常,在烟气温度低于一百二十度时,要求滤料具有耐酸性和耐久性的情况下,常选用涤纶绒布和涤纶针刺毡;在处理高温烟气(<250℃)时,主要选用石墨化玻璃丝布;在某些特殊情况下,选用炭素纤维,玻璃纤维,PPS,P84,DWD,PTFE,氟美斯,玄武岩滤料等。脉冲布袋除尘器运行中控制烟气通过滤料的速度(称为过滤速度)颇为重要。一般取过滤速度为0.5-2m/min,对于大于0.1μm的微粒效率可达99%以上,设备阻力损失约为980-I470Pa。
除尘器布袋的详细介绍以及除尘器布袋的分类
Duster bag material selection is mainly synthetic fiber, glass fiber or natural fiber woven cloth or felt. Sew the cloth or felt into cylindrical or flat filter bags as needed. According to the properties of flue gas, filter materials suitable for application were selected.
 
Generally, when the flue gas temperature is lower than 120 degrees, the filter material is required to have acid resistance and durability, often choose polyester flax cloth and polyester needled felt; In the treatment of high temperature flue gas (< 250 ℃), the main choose graphitization glass cloth; In some special cases, carbon fiber, glass fiber, PPS,P84,DWD,PTFE, flumet, basalt filter material, etc. It is very important to control the speed of the flue gas passing through the filter material during the operation of the bag filter. Generally, the filtration speed is 0.5-2m/min, and the particle efficiency is more than 99% for particles larger than 0.1 m. The equipment resistance loss is about 980-i470pa.
 
 
除尘器布袋按温度材料分
 
一、常温除尘器布袋布袋:常温布袋主要由涤纶、丙纶、亚克力等纤维经无纺、纺织工艺制成,具有透气性好、表面平整光滑、尺寸稳定性好、容易剥离粉尘 等优良性能。主要用于一般工业企业有粉尘污染的行业除尘及常温烟气治理等领域;
二、中温除尘器布袋:随着国家对环保重视程度的提高,尤其是近几年袋式除尘技术行业的飞速发展,中国开始使用进口的合成纤维开发了可以适应较为恶劣的工况条件,超长使用寿命的高性能的过滤材料。目前较为常见的中温滤材有芳纶纤维、PPS系列纤维通过浸扎、防水、防油、防腐蚀工艺处理,从而达到理想的效果;
三、高温除尘器布袋:高温布袋主要由P84、膨体玻璃纤维、超细玻璃纤维等耐高温纤维经过纺织、无纺工艺加工而成,具有热稳定性好、过滤效率高、使用寿命长等特点。主要应用于各种高温烟气状况下的除尘器;对工况环境恶劣的部分采用DWD高温布袋,而普通集尘部分采用涤纶布袋。
 
Dust remover bag by temperature material points
 
1. Normal temperature cloth bag: the normal temperature cloth bag is mainly made of polyester, polypropylene, acrylic and other fibers by non-woven and textile technology, with good air permeability, smooth surface, good dimensional stability, easy to peel dust and other excellent performance. Mainly used in general industrial enterprises have dust pollution industry dust removal and room temperature flue gas treatment and other fields;
 
2. Medium-temperature cloth bag: with the improvement of national emphasis on environmental protection, especially the rapid development of bag-type dust removal technology industry in recent years, China began to use imported synthetic fibers to develop high-performance filtration materials that can adapt to relatively adverse working conditions and have an extremely long service life. At present, aramid fiber and PPS series fiber are the common medium temperature filter materials, which are treated by dipping, waterproof, oil-proof and corrosion-proof processes, so as to achieve the ideal effect.
 
3. High temperature cloth bag: the high temperature cloth bag is mainly made of P84, bulk glass fiber, ultra-fine glass fiber and other high-temperature resistant fibers through textile and non-woven processes. It has the characteristics of good thermal stability, high filtration efficiency and long service life. Mainly used in various high temperature flue gas conditions of the dust remover; For the parts with bad working conditions, DWD high-temperature cloth bag is used, while polyester cloth bag is used for the common dust collection part.
 

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