How to choose a water purifier? Are there regional differences?

For example, the water quality in the north is hard, so you should choose a RO reverse osmosis water purifier that can descale, and the water quality in the south is soft, which mainly requires chlorine removal, so the ultrafiltration belt with activated carbon can meet the demand.

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With the improvement of people's living standards, water purifiers have become a must-have for ordinary families. Let's introduce how to choose a water purifier one. In accordance with the relevant regulations, the manufacturer of water purifiers needs to obtain the health license of the superior health supervision department, and each brand and model of water purifier only has a lifetime health license batch number.

Similarly, the credibility of a product depends on whether the after-sales service keeps up with the needs of consumers in pursuit of high-quality life. Consumers should try to choose the products of regular manufacturers when purchasing products, and at the same time, in addition to asking for formal invoices when trading, they also need manufacturers or sellers to issue specific warranty policies. When you buy a product, you buy it after you buy it, and you can rest assured when you buy it.

Two. According to the specific water quality to buy the quality of the water purifier is not absolute, no matter how good the water purification product, if it does not match the purified water quality, the water purification effect will be greatly reduced, and it will not be a good product. Different water purifier products, because of the different water purification technology and filter element combination structure, are also in line with different water quality use, therefore, consumers must analyze specific problems and choose the appropriate water purifier product type according to the water quality in their own area.

Here are three scenarios! 1.In the high hardness water quality of northern China and the limestone area of southern China, the content of calcium and magnesium ions in the water is high, and it is easy to scale, so you should choose a water purifier with ion exchange resin filter element.

2.Urban tap water with chlorine, heavy discoloration and odor, and more organic matter content in the water can be purchased with more activated carbon load.

1. Whether there is a product hygiene license approval.

The quality of the water purifier is very important, it is necessary to comply with the provisions of the measures for the supervision and management of drinking water sanitation, obtain the health license of the superior health supervision department, and after the identification of the technical supervision department, the water purifier that meets the national "drinking water quality standards" is trustworthy.

2. Whether it has safe and effective sterilization technology.

Water purification equipment uses two ways to sterilize, one is to add disinfectant, which can kill some bacteria, but the disinfectant contains trace amounts of chemical components that are harmful to human health; The second is ultraviolet sterilization, which is one of the most effective sterilization technologies recognized internationally.

Because ultraviolet sterilization is safe and efficient, it can quickly kill almost all bacteria, and ultraviolet sterilization uses physical principles to sterilize, without any chemical agents, and will not have any effect on the human body.

3. Choosing the right filter element is crucial.

The first generation of water purifiers are mainly filtered through activated carbon, ceramics, etc., which are easy to breed bacteria, pollute water sources, and cannot achieve the effect of clean water sources; The second-generation water purifier uses a variety of artificial polymer membrane filtration, which has a significant effect on removing harmful substances in the water, but its fatal flaw is to filter out trace elements that are beneficial to the body.

The third-generation water purifier adopts nanocrystalline filter technology, which solves the defects of the second-generation water purifier and filters out harmful substances and heavy metals in the water. Therefore, when you choose a water purifier, you must ask about the filtration technology and filter material used to see if it meets your own needs.

4. Whether it has a perfect after-sales service system.

After buying some brands, many consumers can't find the address of the maintenance service** or the repair service company, which makes consumers very helpless and causes a waste of resources, and many water purifiers have become furnishings.

The after-sales service of the water purifier mainly focuses on the replacement of the filter element, if the filter element is not replaced for a long time, it will pollute the water source, and the water purifier will also become a "sewage device". When choosing a water purifier, you must choose a manufacturer with perfect after-sales service, such as using a customer service system to track customer information and prompt customers and companies to replace filter cartridges.

5. The purchase performance ratio is high.

The structure of the water purifier is different, and the water purification effect is also different. Generally speaking, the structure of the primary filtration water purifier is simple, mainly activated carbon, its filtration capacity is limited, and it can only be used for coarse filtration, and the filtered water is best heated and boiled for drinking. Most of the first-level filtration water purifiers are low-grade water purification products, and the price of each unit is between more than ten yuan and 150 yuan.

The multi-stage filter water purifier has two stages of coarse filtration and a set of fine filtration, and the fine filtration mostly adopts a hollow fiber filter element, and the filtered water can be directly drinkable. Multi-stage filter water purifier is a mid-range water purification product, each priced between 300 yuan and 500 yuan, which can be accepted by the working class and used more by families.

In the face of ultrafiltration water purifier and reverse osmosis water purification banquet machine. First, when the tap water pollution is more serious, choose a reverse osmosis water purifier, which has a better filtration effect.

Second, families who need direct drinking need to choose a reverse osmosis water purifier can meet the requirements of direct drinking.

Third, in areas with better tap water quality, choose ultrafiltration water purifiers, which are more cost-effective and cost-effective.

The difference between the two is in:

The pore size of the membrane element, the pore size of the reverse osmosis membrane is only one percent of the ultrafiltration membrane, so the reverse osmosis demolition Xiangzheng permeable water purifier can remove heavy metals, pesticides and chloroform and other chemical pollutants in the water, but the ultrafiltration water purifier can not do this.

Ultrafiltration water purifiers can mainly remove particulate pollutants and bacteria from the water, but these reverse osmosis water purifiers can also do it. The two kinds of water purifiers have their own advantages and disadvantages, and they are not as strong as the one that is desperate. The use of water purifiers depends on the local water quality.

For water sources with good water quality, such as municipal tap water, ultrafiltration water purifiers can meet the needs of daily life. For industrial pollution, reverse osmosis water purifiers can be used in areas where water quality is difficult to guarantee.

First of all, choose according to the water quality, and secondly, when choosing the brand, you should choose the one with the sanitary approval document, and you must have the sanitary license approval document of the brand manufacturer's place of production involving the return of drinking water sanitation and safety products. After that, look at the filtration method, which is an important criterion for identifying the quality of a water purification equipment. Finally, choose according to the location of the home installation.

For example, Dingmei's desktop direct drinking machine is good, using reverse osmosis technology, it can move freely, small size, does not take up space, study, living room, kitchen, can be installed, want to put **put**.

The first is the classification of water purifiers.

First of all, we must realize what kind of classification water purifiers have, in fact, water purifiers are mainly divided into four types in the kitchen, namely microfiltration, ultrafiltration, nanofiltration and reverse osmosis. These membranes themselves have different gaps in filtration effects, so they will cause different water purification effects, among which reverse osmosis and ultrafiltration are more common in the market, and ultrafiltration membranes are higher in terms of accuracy, so they can not complete excessive purification of water in filtration. Reverse osmosis, on the other hand, has higher precision, and can achieve better results when filtering, and can even reach the state of pure water, which means that it can be directly drunk after filtration.

The second is the applicable place of the water purifier.

The water purifier also has different applicable places, ultrafiltration water purifier can generally have a good performance in the kitchen direct drinking water, it is working in the work, the principle is relatively simple, it is through the filter membrane to act, but can not purify the hard water, so the boiled water contains scale. The reverse osmosis is divided into two forms: barrels and barrels, barrels can be stored for a long time, if you feel that the filtration efficiency of water without buckets is relatively low, you can use bucket water purifiers, but to clean them in time. When filtering water without a bucket, it may be a little inefficient because of the high accuracy, so it may take a long time to filter it.

The third is what to pay attention to when choosing reverse osmosis.

First of all, it needs to be recognized that although this kind of machine has high precision, it also needs to pay attention to the brand protection. Because the water purifier provided by the big brand can not only ensure the filtration effect of water, but also have a more outstanding performance in after-sales service. Maybe you bought a water purifier at a low cost, and found that there was a fault not long after you bought it, but you couldn't find a merchant, which is the negative impact that a small brand of water purifier may cause.

Therefore, if you want better after-sales protection, try to choose those big brands of water purifiers, so that you can still have good support when you use it.

Choose a water purifier from five aspects: 62616964757a686964616fe78988e69d8331333366303139

The principle of the water purifier is to filter out harmful substances to the human body through the terminal water treatment method to achieve the effect of purifying water quality. Depending on the water quality in different places, the functional design of the water purifier is also different. Generally speaking, the water quality in the north is hard and there are many impurities, so you should choose a softening filter water purifier or reverse osmosis water purifier with ion exchange resin filter element; The water quality in the south is soft, heavy metals and secondary pollution are serious, and families with high water quality requirements can choose reverse osmosis water purifiers, and if the local water quality is better, you can choose ultrafiltration machines.

Confirm whether the purpose of the water is to be used as direct drinking water or for domestic use. If it is domestic water, you can choose the whole house water purification method, such as the whole house water purifier with the whole house filtration method. During the decoration of the whole house water purification system, it is necessary to bury pipes in advance and reserve space for the installation of whole house water purifiers, which not only needs to consider the water output, but also the water output effect.

If it is used as direct drinking water, the installation and use conditions can be met under the cabinets of the general family kitchen, and there can be a variety of options and collocations, such as RO reverse osmosis water purifier, or pre-filter + RO reverse osmosis water purifier, which can be flexibly combined according to the needs of the family to achieve the best purification effect.

The water purifier is generally installed in the cabinet under the kitchen sink; A small number of families are installed in the reception room and tea room, taking into account the practicality and the overall coordination of home decoration. The purchase of water purifiers is best carried out before decoration, and the user measures the position and size of the water purifier to be installed at home in advance, or reserves the installation space and installation method before decoration.

If it has been decorated, you can measure the size, take a good shot, consult customer service, and provide reference opinions on the installation location and method of the water purifier.

The brand of the water purifier market is full of flowers, which brand is good, consumers can first check the test report and qualification certificate of the water purifier to see if the brand has itSanitary license endorsed by the state department

Whether it has passed the test of the national health inspection department and meets the national "Drinking Water Quality Standards", and the higher standards see whether they meet the stringent standardsNSF or WQA

The standards or certifications of international authoritative departments, which are necessary conditions to ensure the purchase of regular water purifiers.

If we don't consider the water quality and want to drink the water directly, then the water purifier can choose a household water purifier with RO membrane technology, which can ensure that the water can be directly drunk regardless of the water quality.

I believe that the merchants who want to install the best water purifier and you who want to install the water purifier have learned about it in the shopping mall or some water purifier stores on the market, RO reverse osmosis water purifier can be divided into two kinds of water purifiers, with and without buckets, and because the filtration of RO reverse osmosis is too fine, the relative water efficiency will not be too high, so the bucket will be used to facilitate drinking clean water at any time, but the disadvantage of this bucket is that if it is not used for a long time, the water in it will deteriorate, so it is generally not recommended to travel often. People who are busy at work rarely use it at home.

The barrelless RO reverse osmosis water purifier adopts the latest technology, which can achieve efficient water output efficiency without a bucket, but this kind of RO reverse osmosis water purifier** is equivalent to the expensive one with a bucket, but the RO reverse osmosis water purifier without a bucket is basically suitable for all people.

The ratio of water purification to waste water in the traditional RO reverse osmosis water purifier is 1:3, that is, 4 cups of water come out of 1 cup of purified water and 3 cups of wastewater.

Some machines can adjust the wastewater ratio, but in turn shorten the life of the membranes. So this cost needs to be weighed by you in combination with your actual situation.

The water purifier has relatively high requirements for later service, and the next change of filter element or maintenance after buying a water purifier requires good service support from the water purifier manufacturer.

The original imported RO membrane is used for the water purifier products, and the life of the filter element is 2-3 times that of ordinary water purifiers. The water output can reach up to 800g per day, which is more than 5 times that of traditional models. Cost-effective first, the whole machine is guaranteed for one year, the accessories are guaranteed for three years, and the replacement cost of the filter element is low.

Good quality, excellent quality, escort the health of you and your family.