拉西环 meaning in English

raschig ring

Practice results show that ladder rasching ring filler is low in pressure reduction and good in anti fouling , which can lengthen the operation duration of the washing tower
实践使用结果表明，阶梯拉西环填料的压降低、抗污堵性能好，可延长洗涤塔的运行周期。
A new type filler , ptfe ladder rasching ring is designed and used in the washing tower of anhydrous hydrofluoric acid equipment , properties of this filler is also analyzed
摘要设计了1种新型填料ptfe阶梯拉西环并应用在无水氢氟酸装置的洗涤塔中，分析了该填料的特性。
The chemical packing produced by this factouy includes pure aluminium oxide ball , mullite ball , ceramics ball , corumdum chop , tasching ring , rectangle ring and saddle ring , which has sucn advantages as complete specification , a lot of variety , stable quality , credible fumction and big production volume . it can be widely used in large and medium scale fertilizer , oil and chemical industry , etc
化工填料产品主要有纯氧化铝球、莫来石球、普通瓷球、活性氧化铝球、刚玉碎块、拉西环、矩形环、马鞍环等几十个品种，具有规格齐全，品种较多、质量稳定、性能可靠、生产量大等优点，广泛应用于大中型化肥、石油、化工及其它行业。