反渗透纯化水预处理设备的要求：1、结构设计应简洁、可靠、拆装便捷。2、为便于拆装、更换和清洗零件，执行机构应采用标准化、高效率和通用化系统化零部件。3、设备内外壁表面必须光滑平整，易于清洗，防止积聚细菌和污垢。所有零件表面都需进行镀铬等耐腐蚀处理，以防生锈。此外，避免使用油漆以防剥落问题的发生。

4、制备纯化水设备应采用低碳不锈钢或其他经过验证，不会对水质造成污染的材料。定期清洗并对清洗效果进行验证是确保水质纯净的关键。

5 Pure water storage cycle should not exceed 24 hours, and the storage tank must be made of corrosion-resistant materials such as stainless steel to prevent contamination. The ventilation port should be equipped with a waterproof filter to prevent dust and fibers from entering.

6 The inner wall of the tank should be smooth, without dead ends or blind spots in the pipelines. It is also important to use sensors that will not form stagnant water pollution when displaying liquid temperature, pressure, etc.

Reverse osmosis pure water pre-treatment equipment transportation: 1) Pure water should be transported using easy-to-clean stainless steel pumps. 2) A closed-loop system is recommended for transporting pure water. The pipeline design should be simple and avoid any blind spots or dead ends. The pipes used must be made of corrosion-resistant materials such as stainless steel or other non-polluting materials. Valves used for transporting pure water should meet health standards.

Regular cleaning and validation are essential for ensuring the quality of both the pipelines and pumps before they can be put into operation.

Manufacturers of reverse osmosis systems provide comprehensive guidance on drug classification and water quality standards:

1 Drug industry uses classified waters (a) Drinking Water: This includes tap water supplied by local companies or well-water that meets China's national standard GB5749-85 "Drinking Water Hygiene Standard." However, according to the 2020 edition of Chinese Pharmacopoeia (Pharmacopoeia), drinking water cannot directly serve as raw material for making drugs or experimental solutions.

(b) Purified Water: This refers to original drinking-water purified through distillation methods like boiling off impurities followed by condensation; ion exchange; reverse osmosis; ultraviolet light disinfection; deionization processes using resins containing functional groups capable of exchanging ions with those in solution; microfiltration techniques involving pores smaller than bacteria but larger than viruses; ultra-filtration techniques employing pores smaller than proteins but larger than peptides); nanofiltration methods incorporating membranes with pore sizes between those used in ultrafiltration techniques above mentioned

(c) Injection-grade Water: Also known as WFI (Water For Injection), it involves using purified drinking-water which undergoes additional steps such as filtration through sterilized membrane filters having an average pore diameter no greater than one micron followed by further purification steps if necessary

Quality Standards:

(a). Drinking-Water Quality Standards - Should conform to GB5749-85

(b). Purified-Water Quality Standards - Must comply with criteria set forth within Pharmacopeial specifications

(c). Injection-grade-Water Quality Standards - Must adhere strictly to requirements outlined within Pharmacopeial standards

The purity level can often determine whether it will suffice for various applications including pharmaceuticals production where maintaining sterile conditions at all times is crucial due largely because contaminated products could result in dangerous side effects upon consumption leading potentially fatal consequences!