"Pure water machine" is a common name for RO reverse osmosis water purifier. There is also a RO reverse osmosis water purifier. People who install water purifiers in our homes usually encounter a situation where the water output is small. The reverse osmosis water purifier has a slow water production situation. Most people habitually attribute it to the RO membrane blockage. It is necessary to change the membrane, and then start to purchase a new filter element for replacement. However, as a reverse osmosis membrane, I just want to say: After all, there are still many reasons for the slow water in the pure water mechanism. You are sure that I am ~ Don't you find that sometimes you change the filter, the flow is still very small, what is the reason?
First, the membrane is blocked
Let us first look at the factors that affect membrane blockage, and know these primary factors, in the later stage, we can avoid the recurrence of similar phenomena.
1. The membrane has been used for a long time, and some have been used for two years, three years, or longer. According to the instructions, the life of the membrane is one and a half to two years. The life of the membrane must be considered in terms of water consumption and raw water quality. The water consumption and raw water quality are generally proportional to the life of the membrane. Therefore, it is necessary to replace the filter element according to its own water quality and frequency of use.
2. The pre-filter core does not change for a long time, causing the water concentration inside the machine to be deposited, which is far worse than the water quality before entering the machine.
3, the raw water quality is poor, the proportion of concentrated water is small, causing the blockage of the concentrated water solenoid valve or the flushing combination valve, and the machine does not discharge concentrated water, or the concentrated water is very small, then the short life of the membrane is expected. It is.
4. The quality of the film itself is poor. Like how low and how low the price is, the membrane of the rotten street, do you still expect it to be good? This is very important. The original intention of our purchase of water purifier is to drink healthy water for the family, if the membrane itself There are problems, not only can not give us healthy water, but it will hurt our body, so please remember to buy a water purifier with a guaranteed regular manufacturer brand!
Second, the filter plug
To make a metaphor, the filter element of the water purifier is like the "kidney" of our body. The water quality of the water purifier depends not only on the quality of the filter element, but also on whether the life of the filter element is replaced in time. If the filter element is too long, it will not When it is replaced, it will cause water blockage and the water flow will become smaller and smaller. The long-term use will also cause the entire water purification system to be polluted.
Therefore, users should develop a good habit of regularly changing the filter. Generally, the standard water purifier manufacturers will not have the problem of indiscriminate charging. The cost of changing the core is not high, and now the regular brand water purifier basically has a filter replacement prompt, which also ensures that we will not be busy with work. And forgot to replace.
Third, the rear active cotton blockage
This is usually the case after replacing the new post-activated activated carbon. Because there is more toner, it does not open. Therefore, the general granular activated carbon filter can not be too full (not to cut corners), to reserve the space for filling, on the one hand to ensure the flow of water, on the one hand, the activated carbon itself also has a coefficient of expansion, this is still an old saying, regular water purifier manufacturers will consider At this point, so there is no need to say more.
Fourth, the temperature is low
The water production rate of the RO membrane has a great relationship with the temperature, and does not exceed 40 degrees and is not lower than 5 degrees. The general temperature is 25 degrees. At 25 degrees, the water production will be reduced by 3% for every degree.
Therefore, the water production rate in winter is generally reduced by half or even more than in summer. In particular, rural users need to pay attention to cold and frost protection. Sometimes the filter bottle and membrane shell will be frozen in winter, and the outlet of concentrated water pipeline should not be placed outdoors in winter.
Also, the weather is getting hotter now. If your home's water purifier is installed in a kitchen or on a balcony, etc., please remember to find a cover to cover it, otherwise it will not only reduce the water production, but also the high temperature. Yes, the temperature inside the machine rises and it is easy to breed bacteria.
Five, the pump is small
The pump has a small boost, and it usually appears in a reverse osmosis water purifier with a service life of more than two years, or a pure water machine that has been in working for a long time. The water-making principle of the pure water machine is the appropriate pressure required to drive the water through the reverse osmosis membrane. The household water purifier is generally about 6-7 kg, and the reverse osmosis commercial machine is generally about 4 to 6 kg. Increased water consumption by users and contamination of water quality may result in a shortened life of the pump.
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