Why should a prefilter be installed between water pipes? What is its function?

Now, if friends watch carefully, they will find that many friends will install pre-filter when decorating their homes. Some are installed in pipe wells, and some are installed at home. So, what is the function of this pre-filter installed by these friends? Does it really work? I don't know what you think.

Some suggestions on the installation of pre-filter by the function of pre-filter. Conclusion What is the function and installation choice of pre-filter? Jia Zatan gave some personal suggestions and opinions, hoping to help everyone! If you have better suggestions, you can also share them with us for discussion and study. Thank you!

Water is the source of life, and using clean and healthy water is very important for our health. But now the water pollution is also very serious, so it is better to filter the water in our house before using it. Pre-filter is the first filter for water use in our home, and its function is also very great. Next, let's discuss the use of pre-filters.

Pre-filter belongs to coarse filtration equipment. Because the pipeline through which tap water passes is old or has rust and impurities inside, the water flow will be polluted. The pre-filter mainly filters large particles such as rust, sediment and eggs in water to avoid harm to human health and skin. Another very important function is to protect the next level of water equipment such as faucets and water heaters, because the water quality becomes better after filtration, which can prevent clogging and prolong service life.

The prefilter should be cleaned regularly, otherwise too much dirt will affect the water pressure. The pre-filter I bought has the function of backwashing, which can play the role of scraping and washing the filter by twisting the bottom, and can also be washed by tap water pressure.

The accuracy of filters varies from 5 microns to 300 microns, and each brand is different. Personally, it is good to choose about 50 microns. On the one hand, it can filter most particulate matter and organic matter, while basically not affecting the normal water pressure.

I hope I can help you, thank you!

A: I'm Uncle Chengdu HVAC, and I've been engaged in HVAC home industry 10 for many years. I'm glad to answer this question. A pre-filter is installed between the water pipe and the water meter at home. It is estimated that many people only know that it can filter impurities in water and make the water at home cleaner, but they don't know that it has a greater role. It can protect you from the loss of explosion. It is no exaggeration. Next, talk about my work experience. See the following introduction for details.

1, filtering large particles of house water quality can play the role of filtering and purifying the whole house water quality, but its filtering accuracy is not too high, and it can only deal with sediment in water or foreign bodies visible to the naked eye; Its existence can alleviate the probability of indoor shower heads, water heaters and faucets being blocked by impurities, and especially help to reduce the failure rate of water heaters (wall-hung boilers).

2. The existence of the front filter element can prolong the maintenance interval of the central water processor, the water softener and the end water purifier, especially the filter element of the end water purifier. After being intercepted and filtered by the front filter element of the previous stage, the service life of the rear filter element will be prolonged.

3. After installing the pre-filter on the household water pipe, the probability of injury to the back-end pipeline and equipment due to the sudden increase of indoor water pressure can be reduced, which is quite harmful.

In summer and dry season, the water supply in the community often stops, sometimes in the middle of the night and sometimes during the day. It is not clear when the water will come. Sometimes when the water supply is resumed, the initial pressure will be very high, which will easily lead to the burst of indoor water pipes. This is also the main reason why some people leak at home within a few days of leaving home, so we have developed the habit of turning off the main water valve when going out.

If the pre-filter is installed on the water pipe, as long as you choose the one with constant pressure function, you will have no worries at all. Because of this constant pressure valve, users can freely set the water pressure value, such as setting the knob of the constant pressure valve at 2.5pa, no matter how big the pressure of the pipe network is, it will ensure that the water pressure after passing through it is only 2.5pa, so it is a protective barrier.

However, not every pre-filter has this ability. When purchasing, you can choose a prefilter with a constant pressure valve, and then choose a prefilter with water pressure monitoring instructions. Some people worry that it will be very expensive. My experience is that the purchase price is several hundred yuan, which I think is reasonable. If a constant pressure valve and pressure gauge are installed separately, even the labor cost will be several hundred yuan.

It is very necessary to install a pre-filter on the main water pipe, because it can not only filter and purify the water quality, but also protect the water pipe at home from the loss caused by pipe explosion. Its total purchase and installation cost is not high, but the effect is great, do you understand?

Pre-filter 1 The water pipe pre-filter is generally installed in the domestic water pipe, in the corridor pipe shaft and behind the control valve of the domestic pipe. Its main function is to filter the "welfare" distributed to our family by the main pipeline-sand and rust, which can filter impurities with a diameter of more than 0.2 mm, and the filter screen can also absorb rust. You can also choose a more detailed filter element with stronger filtration.

2. impurities visible to the naked eye can play a role in filtering. The advantage is that "drinking cold water will not plug your teeth" in the future. For the old pipeline, it is recommended to install it, and the new house can be installed or not. If a water purifier is installed, the pre-filter may not be installed.

3. The finer the filter screen and filter element, the shorter the cleaning cycle, otherwise the filter screen will become a place to shelter evil people and shelter evil practices, and the water will flow over and become a pollution source. If it is not cleaned for a long time, the filter screen will be blocked, resulting in smaller water flow in the home.

The specific cleaning cycle is related to the water quality, and it depends on individual needs. There are also filters installed on faucets, which can also play a filtering role and need to be cleaned frequently.

Now everyone's awareness of safe water purification and whole house water purification is gradually increasing, and the front filter is now the standard for almost every decoration and installation. However, there are so many pre-filter brands on the market that they all say their products are good. How to choose a durable and convenient front filter? What brand should I buy? Is what people urgently need to know.

There are many brands on the market. When choosing a brand, we must first understand what the pre-filter is used to solve, and what is the working principle and implementation of the pre-filter

1. Pre-filter, installed behind the tap water sluice to filter all tap water entering the house. You can start with the demand. The purpose of purchasing pre-filter is to ensure the health of water and effectively intercept rust, sediment and large impurities in water. But also can effectively prevent large-particle impurities in water from blocking showers, washing machines, toilets, kettles and the like. At home, extend the life of household appliances. Users living in high-rise buildings also need to stabilize the water pressure to prevent water hammer damage after water supply is stopped. Therefore, the front filter is also known as the whole house security guard and the patron saint of household appliances.

2. After understanding the demand, let's look at how the front filter intercepts: the filter is the key. In fact, all series of water purifiers, filter elements are the key core parts. This is beside the point. If you need to know, I will write an article later to introduce it in detail. Now back to the topic, a question that many consumers are most concerned about is also the most frequently asked question: Does my filter need to be replaced? Is there a backwashing function? How to clean it?

In fact, these are all questions asked by some small white users. The purpose of purchasing prefilter is to use water healthily and safely. First of all, we should pay attention to the aperture of the filter element. The aperture of the filter element is too large, and the interception effect cannot be achieved. Then there is the backwashing function that consumers care about. For consumers, backwashing function is considered to be a very powerful function. In fact, it is the basic technology of pre-filter, which has no meaning to consumers. Integrated sewage treatment technology is the function of pre-filter, and it is also related to the interests and experience of users.

3. Collective blowdown technology, collective siphon backwashing, double-sided magic hanging technology and peripheral quick suction technology ensure that the front filter can bring the greatest sense of usefulness and use experience to users. For example, hanging washing technology can realize disassembly and washing-free, completely remove the dirt and trapped impurities on the surface of filter element and filter bottle, and siphon backwashing can clean the embedded impurities of mesh film.

4. There is another issue that everyone cares about, the replacement of the filter element?

Only by integrating the sewage discharge technology with SS3 16 filter screen can the filter element be kept unchanged for life. It's the truth. You don't have to change the filter in a sense.

5. The disassembly-free and cleaning-free technology of the pre-filter screen can avoid the after-sales service cost of products that need to be disassembled and cleaned because the impurities intercepted by the pre-filter screen block the filter element. The disassembly and cleaning of the filter bottle is easy to cause water leakage and other problems.

You should know that Mu Chen pre-filters, with a fineness of 40 microns, can intercept large-particle impurities such as silt and rust, SS*3 16 stainless steel food-grade raw materials, and the filter element can be replaced for life. The third generation integrated sewage disposal technology is free of disassembly and washing, which saves the subsequent after-sales disassembly and washing service fee. The water pressure of the golden jar is always 4 kg.

The role of pre-filtration Pre-filtration is the first filtration system in the family water purification system, which belongs to coarse filtration, large particles, sediment and particulate matter.

At present, water pollution will occur in many areas, and its role can reduce some harmful substances for us! At the same time, let the water pipe water heater produce less scale! Protect our electrical appliances

Pre-filtration is coarse filtration, which can effectively filter some large particles of sediment and ensure good health! If you want better results ()! Look at my first picture, there is a water purifier at the back, which is fine filtration, filtering some bacteria and some small metals.

It is necessary to install this thing, not only between water pipes, but in domestic water pipes.

Just like the entrance guard in your community, if you want to enter your home, you must pass the entrance guard first, and finally you can open the door with your home key. And this front filter is like the entrance guard of your community, and it is the first filter for drinking water filtration in your home.

What is a prefilter? Pre-filter is used to filter large particles of impurities visible to the naked eye in water, such as sediment and rusty iron. Generally installed at the front end of the pipeline at home. If you are going to decorate and lay pipelines at home, the pre-filter should be imported 1000 and domestic 100. We can use it at a similar price.

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Now living in the city will face a water pollution situation, and now many people pay more attention to the safety of domestic water, so there are many brand-quality prefilters on the market, but there will also be many people who lack understanding of the purification of domestic water, so they don't know why prefilters should be installed between water pipes and what their functions are, so I will talk to you about these problems today.

1. What is the pre-filter? The pre-filter is generally installed at the front end of the main water pipe, so the word "pre-filter" is derived from it. "Filter" value is a working principle of this equipment. The pre-filter is generally T-shaped, with water flowing in and out in the horizontal direction, where the pre-filter filters water quality in the vertical direction, and there is generally a small water outlet at the bottom. This is mainly to pull in the impurities in the pre-filter and discharge them. Now when we decorate a new house, we usually find the main pipe at home first, then add the main valve and install a prefilter directly behind the main valve, so that the water entering the room can be used after being treated by the prefilter.

2. What are the types of pre-filters: 1, while the positive flushing pre-filter generally uses a stainless steel screen of 40- 100UM, and then we turn on the water flow, which penetrates from the inner wall of the filter to the outer wall through the pressure of the water flow itself, so that the sediment and some minerals in the water will remain on the screen. When cleaning, open the valve of the filter and wash off the impurities on the filter screen, thus realizing the cleaning of the filter.

2. The working principle of the pre-filter for backwashing water is mainly internal pressure type, and the self-pressure of water flow permeates from the inner wall to the outer wall of the filter, thus filtering red worms and silt impurities in the water. If the water quality at home is poor, don't be afraid if you haven't cleaned the filter for a long time. You can clean the filter by running the filter piston to the bottom through the backwashing water switch and changing the direction of water flow to reach the external pressure.

3. The working principle of siphon prefilter is mainly to use external pressure, which permeates from the outer wall to the inner wall of the pipeline through the pressure of water flow, so as to intercept the sediment and impurities in the water on the surface. When the flushing switch is turned on, secondary pressure will be formed, and impurities trapped on the surface will be washed away by water through the inner tube of the rain collector.

3. What is the function of the pre-filter? In fact, the pre-filter can filter some large particles of impurities in domestic water, such as rust, sediment, microorganisms and so on. But for some very small things, the prefilter can't filter them out, because the water quality is getting worse and worse now, and everyone will worry about the safety of domestic water, so after the prefilter filters once, we can use water directly, which will reduce the impurities in the water quality.

Some families will install pre-filters between water supply pipes to filter impurities in tap water;

Can this device work or not? Maybe everyone is a little confused.

In fact, there are many kinds of pre-filters for tap water, including cascade, positive flushing, floor heating pre-filter, backwashing and siphon pre-filter.

Pre-filters are all built-in filters, which filter impurities in tap water in different ways due to corrosion or precipitation in the pipeline;

It provides good water source conditions for our tap water intake to downstream water equipment. We use high-quality water, but also protect the equipment and prolong the service life.

In the following content, "Gehua" will share relevant knowledge for everyone.

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The tap water pre-filter is a T-shaped filtering product, both ends of which are connected with the water supply pipe respectively, and the center is a bottle-shaped inverted object for filtering water, through which tap water filters impurities. The filter element of the pre-filter is in micron, usually between 5- 100 micron, and one micron is 0.001mm. The smaller the unit, the higher the filter density, which can better ensure the water quality. This kind of pre-filter does not need electric energy, and mainly uses the working principle of tap water pressure to achieve its filtering purpose.

Situation ① Siphon front:

Case ② Before lamination:

Before situation ③:

Situation 4 Floor heating front:

Situation ⑤ Pre-backwashing:

Nowadays, various kinds of environmental pollution are emerging one after another, and our tap water can't avoid pollution. Out of concern for health, more and more families will install various water purifiers at home. But many people may have such a question: There are so many filter layers in the household water purifier, is it necessary to install a pre-filter screen? Let's talk about what the pre-filter does first.

What is a prefilter? As the name implies, it refers to the water filtration system installed at the front end of the pipeline, that is to say, all tap water must pass through the prefilter and be pretreated by the prefilter. Perform filtration function before using tap water at home to filter out impurities such as rust, sediment and bacteria. From this point of view, the installation and use of pre-filter is very necessary. The quality of tap water can be guaranteed to a certain extent.

Why does tap water have to pass through a complicated urban pipe network before it can enter every household after it comes out of the waterworks? In this process, it is bound to bring some sediment. Whether it is used as our domestic water or drinking water, too much sediment is absolutely unqualified. The function of pre-filter is to directly filter the sediment in tap water. Such as sediment, rust and other impurities that enter the water body for various reasons. Once these impurities are not filtered, they will not only affect our health. If there is a water purifier at home, tap water without pre-filtration will increase the workload of the water purifier and reduce the water purification efficiency and service life of the water purifier. With the front filter, you don't have to worry about this.

Therefore, it is very necessary to install a pre-filter, which can play the role of pre-filtration and remove relatively large impurities and sediments. Installing and using pre-filter is a very good measure to ensure the quality of tap water in our home. However, it should be noted that it is not safe to drink tap water directly through the pre-filter. To ensure the quality of drinking water and domestic water, it is best to install a water purifier or a water softener.