Standard No.:	HG/T 3778-2005
English Name:	Technical regulations for chemical cleaning and prefilming of cooling water system
Chinese Name:	冷却水系统化学清洗、预膜处理技术规则
Chinese Classification:	G76    Basic standards and general methods for water treatment agent
Professional Classification:	HG    Professional Standard - Chemistry
Issued by:	NDRC
Issued on:	2005-07-10
Implemented on:	2006-1-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	210.00
Delivery:	via email in 1~3 business day

本规则适用于冷却水系统因结垢、锈蚀和生物污垢等水质障碍而致使水冷却设备热交换效率下降，影响生产产量、质量时，生产装置在正常运行情况下，对冷却水系统进行化学清洗、预膜，特别适用于长
期运行而无法停车检修的冷却水系统的清洗，解除垢、锈、生物污垢等障碍，达到改善或基本恢复热交换设备的传热效率;也适用于新建或大检修后冷却水系统开、停车化学清洗;以及大、中型中央空调运行中不停车化学清洗、预膜。预膜处理还适用于冷却水系统低pH事故后的补膜处理。