18 Bag filters are widely used in many industrial applications,but are sensitive to high temperatures and humidity.
19 The basic mechanism of dust removal in fabeic filters is thought to be similar to the action of sand filters in water quality management .
The dust paricles adhere to the fabric due to entrapment and surface forces.
20 They are brought into contact by impingement and/or Brownian diffusion.
21 Since fabric filters commonly have an air space-to-fiber ratio of 1:1,the removal mechanism cannot be simple sieving.
谢谢
參考答案:18 袋式过滤器广泛应用于大量工业应用中,但对于高温和高湿度较为敏感。
19 织物过滤器中除去灰尘的基本机制与水质控制中沙过滤器较为相似。
由于滞留作用和表面力,灰尘微粒会附着在织物上。
20 通过冲击和/布郎扩散,它们接触到一起
21 由于织物过滤器的空域:织物比率通常为1:1,因此去除的机制不仅是简单的过滤。