金属304/316丝网规整填料参数表

丝网规整填料参数表包含材质、比表面积、压降等核心数据,解析不锈钢 / PTFE 丝网规整填料高传质效率、低压降优势,适配精细化工精馏、医药提纯等场景,附规格选型指南。...
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一、丝网规整填料介绍

丝网规整填料是一种高效精密传质分离材料,由金属或非金属丝网经剪裁、压波、叠加组装而成,具有规则的波纹状几何结构。其核心结构为多层平行排列的波纹丝网,通过精准角度设计形成均匀流道,气液两相在丝网表面形成薄膜接触,大幅提升传质效率。
材质上,常见有不锈钢(304/316)、镍合金(Monel)、聚四氟乙烯(PTFE)等,可适配腐蚀性、高温或洁净工况。相比传统填料,它具有比表面积大(100-1000m²/m³)、传质效率高(理论板数多)、压降极低、持液量小的优势,且丝网表面的毛细作用强化了气液润湿与混合,有效减少沟流和壁流现象。

广泛应用于精细化工精馏、医药提纯、食品添加剂分离、环保尾气处理等对分离精度要求高的场景,尤其适合低负荷、高纯度分离工艺。

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二、丝网规整填料参数表

参数类别
核心参数
说明
基础材质
金属丝网 / 非金属丝网
金属可选 304/316 不锈钢、镍合金;非金属可选 PTFE、玻璃纤维,适配不同腐蚀性需求
结构参数
比表面积
100-1000m²/m³,常用型号如 250Y(250m²/m³)、500Y(500m²/m³),比表面积越大传质效率越高
结构参数
波纹倾角
30°/45°/60°,影响流体分布均匀性,45° 为通用角度,适配多数工况
传质性能
理论板数
每米填料 3-10 块理论板,取决于比表面积与介质特性,高比表面积型号板数更高
流体性能
压降(空塔气速 0.5m/s)
0.1-0.5kPa/m,远低于散装填料,适合低压降要求场景
耐温范围
金属材质
-200℃~600℃(不锈钢)、-100℃~260℃(PTFE),适配高低温工艺
适用介质
兼容性
耐酸、碱、有机溶剂(依材质而定),忌强氧化性介质(非特殊材质)
典型应用
工艺场景
精细化工精馏、医药中间体提纯、食品级溶剂回收、环保废气脱附



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