What pure water equipment needed to clean

by:Tepro     2020-11-18
Pure uv water purifier in normal operation condition, reverse osmosis membrane may also be inorganic scale, colloid, microorganism, metal oxides, such as pollution, these substances deposited on the membrane surface caused by pure water equipment output descent or desalination rate, higher pressure difference, even cause unrecoverable damage to membrane, therefore, in order to restore the pure water equipment performance of waterproof and desalination, the need for pure water equipment cleaning. 1, low pressure flush the reverse osmosis device on a regular basis for reverse osmosis equipment of large flow, low pressure, low pH flushing for stripping adhesion on the membrane surface dirt, maintain membrane performance, or when the SDI jump more than 5 reverse osmosis equipment into the water. More than 5 should be low pressure flush, again after being qualified SDI value to boot. 2, reverse osmosis equipment shutdown protection due to fluctuations in production, the reverse osmosis device inevitably to often shutdown, short-term or long-term outage protection measures must be taken, improper handling can lead to membrane performance degradation and recovery. Short-term save 15 d the following applies to shut down the system, can be used for every 1 ~ 3 d low pressure washing method to protect the reverse osmosis device. Practice found that the water temperature is 20 ℃ above, the water in the reverse osmosis device to store 3 d will stink metamorphism, there is a lot of bacteria breeding. Therefore, it is suggested that water temperature above 20 ℃, once every 2 d or 1 d low pressure flush, when the water temperature is less than 20 ℃, can once every 3 d low pressure flush, after each wash need to shut down water purification equipment, reverse osmosis devices on all import and export valves. Disable protection for a long time more than 15 d applies to shut down the system, then must use protect fluid ( Fungicide) Filling the water purification equipment, reverse osmosis devices, for their own protection. Common bactericide formula ( Composite membrane) 10 for formaldehyde ( The mass fraction) 20 mg/L, thiazole moiety ketone, sodium bisulfite 1 ( The mass fraction) 。 3, reverse osmosis membrane chemical cleaning under normal operation conditions, reverse osmosis membrane may also be inorganic scale, colloid, microorganism, metal oxides, such as pollution, these substances deposited on the membrane surface to cause water purification equipment, reverse osmosis device output descent or desalination rate, differential pressure increases, and even cause unrecoverable damage to membrane, therefore, in order to restore good waterproof and desalination performance, need for chemical cleaning membrane. Clean normally 3 ~ 12 months, if have to wash once a month, suggesting that should improve the pretreatment system, adjust the operating parameters. If need to wash a 1 ~ 3 months, you will need to improve equipment operation level, more difficult to judge whether to need to improve the pretreatment system. City water treatment equipment co. , LTD. Is engaged in water treatment equipment, industrial equipment, such as pure water equipment design, manufacture, installation, commissioning, technical development and supporting materials sales. Company predecessor is the city water purification equipment company, by city clean industrial society cooperate with 25 wah kwong industrial company was founded in 1995. Quality management system throughout covering water treatment equipment research and development, design, production, marketing, logistics and after-sales service process. Sampling in time, carefully record, found the problem, according to the rules, it is our team means of implementation of enterprise quality management system, and the premise of guarantee the quality of the product.
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