简介 INTRODUCTION

粉末烧结过滤材料(包括管式和板式)是以金属粉末为原料，朝筛' 成型，烧结而成的微过滤元件。 过滤精度高，透气阻子，机械强度高，材料利用率高，适宜较高的工作熊和耐热冲击。广泛用于医 药工业、水处理工业、食品工业、生物工程、化学工业、石油化工、冶金工业及气体净化领域。因而 粉末烧结过滤材料以其高科技材料组成和特殊成型工艺，使題有独有的优良性能，是一种具有广泛 发展前景的新型过滤材料。

Powder sintered filter material (including tube type and plate type) is made of metal powder as raw material, through sieve, molding, sintering and into the micro filter element. The filter has high filtering precision, good air permeability, high mechanical strength, high material utilization rate, and is suitable for high working temperature and heat shock resistance. Widely used in pharmaceutical industry, water treatment industry, food industry, biological engineering, chemical industry, petroleum and chemical industry, metallurgy industry and gas purification field. Therefore, the powder sintered filter material is made of high technology materials and special forming process, so that it has excellent properties and is a new type of filter material with wide development prospect.

特性 CHARACTERSTICS

・耐高温，在500摄氏度以下正常使用。

-过滤精度高，孔隙稳定，能有效去除悬浮物和微粒等，过滤精度优异，净化效果好。

-透气性好，压力损耗小。孔隙率高，孔径均匀，初始阻力小，易于反吹，可在线再生，易清洗，再生 能力强，使用寿命长。

■机械强度高，刚性好，塑性好，无须外加骨架支撑保护，安装和使用简单，维护方便，组装性好，可 进行焊接、粘接和机械加工。

■孔隙均匀，特别适用于流体分布、均匀化处理等均匀性要求较高的场合。

■过滤精度：1~50um。

-无微粒脱落，不使原液形成二次污染。

■机械性能好，压差低，流量大，可压滤可抽滤，操作简单。

■耐腐蚀性能好，可在硝酸，硫酸，醋酸，草酸，磷酸，5%盐酸，熔融钠，液氢，液氮，硫化氢，乙 '烘,水蒸气，氢气，二氧化碳气体等环境下稳定使用。

■成型工艺好，整体无焊接长度可达1200毫米。不锈钢粉末制品一次成形，无需切削，原材料有效利用 率高，最大程度的节省材料，尤其适合于批量较大，结构复杂的元件。

■ High temperature, normal use at 500°C.

■ High filtration precision, stable pore, can effectively remove the suspended solids and particle filtering, excellent accuracy, good purifying effect.

■ Good permeability, small pressure loss. High porosity, uniform pore size, initial resistance, easy cleaning, easy cleaning, on-line regeneration, regeneration ability, long service life.

■ High mechanical strength, good rigidity, good ductility, without adding a skeleton support, simple installation and use, convenient maintenance, good assembling performance, can be welded, bonding and mechanical processing.

■ The pore uniformity, especially applicable to the fluid distribution, homogenization treatment requires higher uniformity etc..

■ Filtration precision: 1~5Qum.

■ No particles fall off, do not make the formation of two pollution solution.

■ Good mechanical properties, low differential pressure, flow rate, filter press can be filtered, simple operation.

■ Corrosion resistance performance is good, can be in nitric acid, sulfuric acid, acetic acid, oxalic acid, phosphoric acid, 5% hydrochloric acid, molten sodium, liquid hydrogen, liquid nitrogen, hydrogen, acetylene, water vapor, hydrogen, carbon dioxide gas environment stability in use.

Molding process, welding length up to 1200 mm without overall. Stainless steel powder products once formed, without cutting the effective use of raw materials, high rate of saving materials to the utmost extent, especially suitable for large volume, complex components.