As the operating time of purified water equipment increases after it is put into use, regular maintenance has become crucial. The maintenance work of replacing consumables and detecting abnormal equipment operation is of great significance for maintaining stable equipment performance and extending equipment service life. However, many users may not be very clear about when and how to perform maintenance and upkeep. As a professional provider of environmental protection equipment, Shuoke Environmental Protection Company now provides a detailed analysis of the maintenance methods for purified water equipment after it is put into use.
According to the different quality of raw water, it is recommended to replace the filter element of the safety filter every 30 days. The cleaning cycle of the sand filter is 15-20 days, with a backwash time of 5-10 minutes and a forward wash time of 5-10 minutes. The expected lifespan is 2 years. The cleaning cycle of the carbon filter is also 15-20 days, with a backwash and forward wash time of 5-10 minutes each, and an expected lifespan of 1 year. As long as the pre-treatment is running normally, the water quality of the Ro membrane entering the purified water equipment device meets the requirements, and maintenance is carried out according to the correct operating methods, the service life of the membrane can reach 2-3 years.
However, due to the formation of pollutants such as scale and bacteria, the water output and quality of the equipment may gradually decrease. When the yield decreases by 15% due to factors such as temperature and pressure, it indicates the need for chemical cleaning of the reverse osmosis membrane. The installation location temperature of purified water equipment should be maintained at 4~45 ℃. When the equipment is shut down for a long time, protective liquid should be added to the system. The initial addition of protective fluid should be carried out by professionals or under professional guidance.
During use, purified water equipment may encounter various malfunctions and problems. After a malfunction occurs, it is necessary to carefully review the operation records, analyze the cause of the malfunction, and analyze, judge, and eliminate the fault according to the electrical fault and handling methods. Due to the frequent continuous production operations of enterprises, reverse osmosis equipment inevitably needs to be shut down for maintenance. Whether it is a long or short downtime for maintenance, appropriate maintenance measures need to be taken to avoid improper handling leading to a decrease in membrane function.
For systems that have been out of service for less than 15 days, a short-term retention strategy can be adopted, using low-pressure flushing every 1-3 days to maintain the reverse osmosis equipment. When the water temperature is above 20 ℃, rinse every 24 or 48 hours; When the water temperature is below 20 ℃, rinse every 72 hours. After each flushing, all inlet and outlet valves of the clean water reverse osmosis equipment need to be closed.
For systems that have been without water maintenance for more than 15 days, a long-term water maintenance strategy is required. At this point, it is necessary to use maintenance fluid (such as disinfectant) to add water to the equipment for maintenance. Common fungicides such as isothiazolone have a concentration of 20mg/L. Generally, cleaning should be done every 2 to 10 months. If the cleaning frequency is too high, such as cleaning every month, it may mean that the pre-treatment system needs to be improved or the operating parameters need to be adjusted. If cleaning is required every 1-2 months, it may mean that the operational level of the equipment needs to be improved, or that the improvement difficulty of the pre-treatment system is greater.
During the operation of reverse osmosis equipment, the membrane may be contaminated by inorganic scale, colloids, microorganisms, metal oxides, and other contaminants. These substances deposited on the membrane surface can cause a decrease in the output or desalination rate of the water reverse osmosis equipment, an increase in pressure difference, and even irreversible damage to the membrane. Therefore, in order to maintain the good permeability and desalination function of the equipment, it is necessary to perform regular chemical maintenance and cleaning of the membrane. In addition, regular flushing with high flow rate, low pressure, and low pH value is also beneficial for removing dust attached to the membrane surface and maintaining membrane function. When the sD value of the reverse osmosis equipment exceeds 5.5, low-pressure flushing should be carried out until the sD value is adjusted to be qualified before operation.
As a professional provider of environmental protection equipment, Shuoke Environmental Protection Company not only provides customers with high-quality reverse osmosis pure water equipment, but also is committed to providing comprehensive equipment maintenance and cleaning services for customers. We have rich industry experience and a professional technical team to ensure that your equipment is always in the best operating condition, providing a stable and reliable source of pure water for your production.