Is it useful to install a water purifier at home? How to determine the home water purifier?

With the continuous development of society, people’s pursuit of quality of life is gradually improving, and the quality of the water that is usually consumed is also more concerned. Unclean water does not drink, bad water does not drink, hesitant to install a water purification equipment at home. So is it useful to have a water purifier at home? If these conditions occur, consider installing a water purifier!

1. Look: Use a glass with a high transparency to fill a glass of water, and look at the light to see if there are any fine substances suspended in the water.
2, smell: use a glass from the faucet as far as possible to pick up a glass of water, and then smell it with the nose, whether there is the taste of bleach.
3, taste: hot drink boiled water, taste the taste of bleaching powder.
4. View: Use tap water to make tea. After the night, observe whether the tea is black. If the tea turns black, it means that the iron and manganese in the tap water are seriously exceeded.
5, check: check the home’s water heater, open the kettle, there is no layer of dirt on the inner wall. Water with too high hardness can easily cause scaling of the water heater pipe, which is caused by poor heat exchange; long-term consumption of water with too high hardness is easy to cause various stone diseases.

Is it useful to install a water purifier? Where is the use?

1. Solve the secondary pollution of tap water
After the tap water is disinfected by chlorine gas, it can kill viruses and bacteria, but it cannot remove heavy metals and volatile substances.
2, the best choice to replace bottled water
A barrel of water is about 8 to 16 yuan, the cost is high, and the shelf life of the bottled water is short. It is open after being connected with the water dispenser and is easily contaminated by pollutants in the air.
3, unlike the cost of bottled water is extremely high
Bottled water costs are high, and it is clean water, lacking trace elements and minerals. Long-term drinking is not suitable for human health, and its effect may not be like a water purifier.
4, to achieve the standard of raw drinks, the cost is lower
The water purifier can effectively separate and remove various pollutants such as bacteria, residual chlorine, heavy metals, volatile substances, rust, sediment and other impurities and harmful substances in the water. The water outlet has a good taste, and the water quality is weakly alkaline, small molecule and strong in activity.

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RO reverse osmosis, ultrafiltration and nanofiltration

Simply put, RO reverse osmosis technology has the finest filtration, but can not retain minerals and trace elements; nanofiltration and ultrafiltration are similar, can retain a part of trace elements, but can not filter heavy metal components. Ultrafiltration can only filter a part of heavy metals, easy to produce Scale. However, we only drink water to replenish water, not to supplement trace elements, so it is safer to choose the most refined RO reverse osmosis water purifier.

Therefore, compared with other water purifiers, the RO reverse osmosis water purifier filters more finely and ensures the sanitation of our drinking water. If you are entangled in which water purifier to choose, RO reverse osmosis water purifier is the best choice.

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Advantages of RO reverse osmosis water purifier

1. High filtration accuracy
The pore size of the RO reverse osmosis membrane is only 0.0001 micron, which is much smaller than that of bacteria, heavy metals and viruses, and can effectively filter out these bacterial contaminants. Only water molecules are retained to ensure that the water is pure and free of impurities.
2. Remove scale and long service life
Due to the high filtration precision of the RO reverse osmosis membrane, the calcium and magnesium ions in the water will be completely filtered out, so that no scale will be generated in the kettle when the water is boiled. Moreover, the reverse osmosis water purifier has a more durable filter element, lower maintenance cost and longer service life.

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Why is the wastewater from the RO water purifier drainable?

Many people are curious as to why the reverse osmosis water purifier will discharge waste water. How does it differ from a physically filtered water purifier? What is its filtering mechanism? Today, Xiaobian will come to answer you one by one.

Why do you want to call “reverse osmosis” filtering?

When the same volume of dilute solution (such as fresh water) and concentrated solution (such as salt water) are placed on both sides of the semipermeable membrane, the solvent in the dilute solution will naturally pass through the semipermeable membrane and spontaneously flow to the side of the concentrated solution. This phenomenon is called infiltration. When the permeation reaches equilibrium, the liquid level on the concentrated solution side will be higher than the liquid level of the dilute solution, that is, a pressure difference is formed, and the pressure difference is the osmotic pressure. If a pressure greater than the osmotic pressure is applied to the concentrated solution side, the flow direction of the solvent will be opposite to the original permeation direction, and the flow from the concentrated solution to the dilute solution side begins. This process is called reverse osmosis.

Simply put, by energizing, applying pressure to the concentrated solution, changing the original direction of penetration, and realizing the countercurrent of the concentrated solution, thereby purifying the concentrated solution and producing pure water.

Why does it produce wastewater?

The core part of the pure water machine is actually a liquid concentration process during the working process. The salt content in the water increases with the flow of water through the surface of the reverse osmosis membrane, and the osmotic pressure of the water increases continuously. When the osmotic pressure is increased to the pressure of the booster pump, water cannot flow into the clean water end through the reverse osmosis membrane. The water that fails to pass this part is the wastewater generated when water is produced.

Is “waste water” really useless?

First of all, in terms of the development of the current water purification technology, basically a cup of pure water will discharge a cup of wastewater in the same way. That is to say, if your family can drink 3L of water a day, then 3L of wastewater will be discharged on this day. I feel a lot when I hear it, but when I flush the toilet, mopping the floor, washing the laundry, and brushing the bowl, the water consumption is much smaller. Moreover, the waste water is not completely useless. It has also been filtered by the first three levels of the water purifier. These waste water can be used for a long time. It is a good use to mopping the floor, flushing the toilet and washing things.

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Is there a need to install a water purifier? Choose your own!

Open the faucet and look forward to receiving a cup of clean tap water. I didn’t expect it to be yellow, red, or blue. I hate to get enough rainbow-colored polluted water. Of course, this is not the most terrible. The most fear is that tap water looks clean, but it is harmful. For the masses who do not know the truth, the final result is often that the water plant is lying in silence, but the culprit has been “on the road.” There is a saying that “the secondary pollution of tap water is risky, and it is necessary to be cautious when drinking directly.” Is it so difficult to reduce the risk and drink the water with peace of mind?
Now more and more friends know about the water purification system. Is there any need to install a water purifier, score the water quality, and score the person (the subjective method).

The following is discussed in three different situations:

1, boiled water still tastes bad;

2. The water may contain heavy metals;

3. The water quality is clear and the taste is normal.

Drinking water still tastes bad

There is still bleaching water after the tap water in the house is boiled. It feels a bit awkward when drinking, and the kettle is easy to scale.
The taste of bleach is because there is residual chlorine in the water. Chlorine is added to the tap water for sterilization. After the tap water is discharged from the water plant, the secondary pollution is reduced in the long pipeline transportation to keep it fresh. Therefore, tap water must contain residual chlorine, but it is a matter of content. Only when the content is high can people feel it. Chlorine is a very water-soluble gas that evaporates when boiling. Chlorine also combines with organic matter in water to form carcinogens of trihalomethanes. Fortunately, trihalomethanes are also volatile liquids that can be removed by boiling.
The scale is high and the water feels awkward because of the high water hardness. However, the high water hardness is easy to get the disease of stone disease. At present, there is no scientific basis. The hardness of water can be reflected from the TDS value. The TDS value is the total amount of soluble solids contained in 1L of water. It can be measured by TDS (the millet has a 39 yuan). The water quality in the southern region is generally soft, and the northern region is hard. The domestic TDS is already very high at 600mg/L, but it is still far below the national drinking water standard of 1000mg/L.

In summary, the correct method of residual chlorine and high hardness of tap water to boil and drink, will not cause harm to the human body, but will lead to poor taste, affecting people’s desire to drink water, this situation is still necessary to purify, let The taste of the water is better.

Water may contain heavy metals

If you are located in an area with serious industrial pollution and worry about heavy metals in the water, the best way is to install the RO reverse osmosis water purifier with the highest filtration accuracy.
The structure of the RO reverse osmosis water purifier is very similar to that of the ultrafiltration water purifier. The biggest difference is that the RO membrane is one of the RO membranes, which is smaller than the pore size of the ultrafiltration membrane and can filter out heavy metals in the water. Calcium, magnesium and other ions theoretically only allow water molecules to pass, and the filtered water is pure (net) water, which is the highest filtration precision in current water purifiers.

Clear water and normal taste

If the tap water in the home looks pure and transparent, and the water after boiling is normal, then it is lucky to encounter tap water with good water quality.
In the past two years, the water treatment capacity of the waterworks has been continuously improved, and only the national drinking water standards can be allowed to be transported.
Therefore, the state still has certain norms and requirements for the quality of tap water, and it is not so terrible. If the mentality is good, it will be OK to boil it directly. After all, boiling water can remove most of the residual chlorine, trihalomethane, and scale, and the high temperature can also be sterilized. But to achieve this effect, boiling water is also very particular.

1. After the water is boiled, open the lid and continue to boil for about 3 minutes to allow the residual chlorine and trihalomethane to evaporate more thoroughly;

2, the water that has just been boiled should not be immediately (not because of the hot mouth), the scale has not settled, and the residual chlorine and chloroform have not completely evaporated;

3. After a period of precipitation, the water near the scale of the bottom of the pot is drained and try not to drink.

If you always doubt the quality of tap water and always worry about any invisible harmful substances, the most reliable treatment is the same as the heavy metal above. It is safer to install RO reverse osmosis.
With the improvement of people’s living standards, many people have bought water purifiers. Reverse osmosis water purifier, ultrafiltration water purifier, kitchen water purifier, whole house water purifier… different names, different uses. In short, a water purifier can be used as long as it can be used.
In summary, the insider’s suggestion is to decide whether to install or not according to the living environment. If your city does not pollute the green mountains and green waters, you can do it without it; but if your city has industrial pollution, the factory exhausts the sewage. More, then install! But be sure to pay attention to the good brand that has a good reputation. The filter has to be changed frequently, don’t save money and be lazy!

What do you think, will you choose to install a water purifier?

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What is the RO water purifier?

Hey friend,
What do you know about the RO water purifier?
Do you know why you need to install a RO water purifier?
Know what kind of RO water purifier is installed?
Since it is a popular science, it will not hang everyone’s appetite.

The answer is as follows:

What is a RO water purifier?

RO water purifier is purified by RO reverse osmosis principle.
Under a certain pressure, water molecules can pass through the RO membrane, and inorganic salts, heavy metal ions, organic matter, colloids, bacteria, viruses and other impurities in the water cannot pass through the RO membrane, thereby achieving the filtration effect. The RO reverse osmosis filter has a super-filter effect. The pore size of the RO membrane is one-fifth (0.0001 micron) of the hair silk. Generally, the bacteria cannot be seen by the naked eye. The virus is 5000 times more, so it can be thoroughly Remove bacteria, viruses, heavy metals, inorganic salts, pesticides, trihalomethanes and organic chemical carcinogens from water. Therefore, the RO water purifier is called a high-tech artificial kidney in vitro. Similar to the ultrafiltration water purifier, the ultrafiltration membrane used in the ultrafiltration pure water machine has a filtration precision of 0.01 micron. The ultrafiltration pure water machine can filter out some large impurities such as sediment, rust, suspended solids and Escherichia in water, and the water treatment efficiency is high, so it can meet the kitchen washing, washing, and rice washing.

The origin of RO reverse osmosis

In 1950, American scientist DR.S. Sourirajan discovered that the seagull picked up a large amount of sea water from the sea when flying at sea. After a few seconds, it spit out a small amount of sea water, which caused doubt. Because animals that breathe from the lungs on land are absolutely unable to drink high-salt seawater. After dissection, it was found that there is a film in the seagull. The film is very precise. The seawater is inhaled through the seagull and pressurized, and then the water molecules are transformed into fresh water through the permeated film through pressure, while the seawater containing impurities and highly concentrated salt is spit out. Outside the mouth. According to this, the doctor invented the reverse osmosis method, and later applied it to the net water, and the RO reverse osmosis water purifier appeared.

Why install RO reverse osmosis water purifier

Water is an important substance for maintaining human physiology and metabolism, and 2/3 of human tissue is composed of water. We must consume 2-3 liters of water a day to maintain basic life activities. With sufficient water, the human body can effectively absorb the nutrients in the food and excrete excess substances such as toxins. Therefore, health protection should start with attention to every glass of water in daily life. The quality of drinking water is related to everyone’s own health. We can’t change China’s water quality on our own, but we can protect the drinking water safety by changing the water we drink.

The RO water purifier has a very good purifying effect and is worth choosing.

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RO reverse osmosis water purifier working status

1. Start up and enter the flushing state. At this time, the computer board flushing light is on. The pump, inlet valve and waste water valve are simultaneously powered on. The waste water should be discharged very quickly. After about 20 seconds, it will automatically switch to the water production state. When making water:
Ordinary models: Waste water will become smaller, but there will always be water flowing out.
Fully intelligent machine: Waste water will stop completely, then rinse once every minute. It should be very large and urgent when flushing.
2. When water is used, the middle circle of the computer board rotates, the waste water valve stops supplying power, the pressure inside the pipe rises, and the pressure required for the RO membrane starts to flow out of pure water. After a few minutes, the pure water flow should be able to flow in a line. Normal, if a drop or a drop of water or a large tube is not normal, the full intelligent machine (with pressure gauge) can adjust the pressure to 70~85PSI, the test machine can turn off the pressure tank, the normal water should be in two Within three minutes, the water should be displayed in standby. When the pressure tank is opened, the water should be in standby for 40~60 minutes.
3. Water full principle: As the machine does not stop water production, the pressure inside the pipe gradually rises without discharging pure water. When the pressure of the high-voltage switch (connected to two blue wires) is reached, the high-voltage switch is closed. The state changes to the disconnected state, the machine shows that the water is changed from water to water, the machine stops the pump and the solenoid valve supplies power, the pump stops working, the solenoid valve closes, and the waterway is disconnected.
4. As the time of use is prolonged, the membrane will gradually become clogged, and the water will be extended until the water is full. If the continuous water production does not stand for more than 4 hours, the machine will display the maintenance. This is the protection mode, which means that abnormal household water or water leakage occurs. Solved to restart the power supply.
5, when not water, first of all to confirm whether the waterway is not through, is to see the situation of wastewater,
Then confirm whether the pump has supercharged. The machine with pressure gauge can directly look at the pressure gauge. If there is no pressure gauge, you can only change the RO membrane to test, or press the pressure gauge in front of the RO membrane. If there is no pressure gauge, only Change the film to try, change the film is good, then the previous film is blocked, if not, only the pump or pump accessories.

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