The water used by medical institutions may be municipal pipe network tap water or groundwater extracted through wells, or surface water. Regardless of the type of water source, it must be purified to meet the water quality requirements before it can be used for instrument cleaning. If the water quality does not meet the requirements, it will affect the cleaning effect of the equipment. For example, if the water quality is too hard, calcium and magnesium ions in the water will remain on the surface of the equipment. If the water contains chloride ions, it will cause corrosion of the equipment and shorten its service life. Therefore, the final rinse water during the cleaning process should be purified. The introduction of purified water equipment systems effectively improves the quality of medical device cleaning, disinfection, and sterilization, meeting or even exceeding the hygiene requirements stipulated by the industry.

After rinsing with purified water, the surface of the instrument is deionized, blocking the corrosion of heavy metal ions on the surface of the instrument, keeping it clean and bright without any dull or dull appearance, thereby extending the service life of the instrument. Moreover, the purified water used for instrument cleaning has a good effect on protecting the functionality of the instruments. Using purified water to clean instruments, especially at higher temperatures, can effectively improve the rust prevention and lubrication effects of instruments, and improve work efficiency. For some equipment such as fully automatic cleaning and disinfection equipment, steam generators, high-pressure water guns, etc., if high hardness water is used for cleaning, it is easy to deposit dense and difficult to clean scale in the machine and pipe cavity, which can cause pipeline blockage and prevent various equipment from working properly. The purified water prepared by purified water equipment removes impurities such as suspended solids, colloids, and bacteria from the raw water. Its application in instrument cleaning not only maintains the internal cleanliness of large instruments and ensures the smoothness of equipment pipelines, but also avoids hidden dangers such as equipment leakage and explosion, further improving the efficiency of equipment use and reducing maintenance costs.

The purified water preparation process used in the equipment mainly adopts RO and EDI processes. In the pre-treatment system, a softener is used to remove calcium and magnesium ions from the water, achieving the goal of softening the water quality. The reverse osmosis host uses RO membrane filtration to produce pure water, while the EDI device is used for deep desalination to improve the quality of the produced water. Usually, qualified personnel are required to complete the operation, maintenance and upkeep of pharmaceutical purified water equipment. Due to the high cost of reverse osmosis membranes, attention should be paid to their maintenance and upkeep.

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