| 摘要 |
<p>A brush (1), as well as a method for cleaning a process surface using the brush, having: a hollow cylinder (2) having a closed first end (10), a closed second end (11), and a peripheral wall with an internal and external surface; with bristles (5) arranged on the external surface of the peripheral wall thereof; wherein the hollow cylinder has a plurality of apertures formed in the peripheral wall for permitting a gas or liquid to emerge from the interior of the hollow cylinders to the vicinity of the bristles; wherein the apertures are arranged in a staggered multi helical pattern having from about 3 to about 15 helix; and wherein the peripheral wall has a surface area ratio of from about 6 to about 30.</p> |
