Why does it freeze in the water pipes in winter, and why don t the water pipes in the north freeze?

Because ice is less dense than water, ice floating on top of water is a good proof of this.

As a result, the volume of water expands when it freezes, and it is crushed due to the limited space in the water pipes and the lack of elasticity.

The physical process is:

m=pv p is the density of water, and when the mass is equal, the density of ice is smaller than that of water, so the volume increases.

There is also the fact that the yield strength of the water pipe is not enough to resist such a large deformation, so it is crushed.

The temperature in the cold winter area is lower than the freezing point of the water, and the temperature inside and outside the water pipe will not differ much because of the barrier of the water pipe. It's frozen...

Beginner trial...

Playing soy sauce...

1. The temperature is cold to freezing point 2, the water does not flow 3, and the confined space is confined .

The indoor water pipe depends on the temperature of the house to maintain normal operation, but if the heating system of the house fails, and there is no one in the house, the indoor temperature will slowly drop to the freezing point, and the water in the water pipe of the whole house will freeze, and the volume will increase and damage the water pipe.

Doing the task, ignoring me.

The water pipes freeze because the water is not flowing! When in the air, the temperature outside the water pipe is below the freezing point of water! That's why it's slowly freezing!

Water pipes in the north do not freeze for the following reasons:

1. The reason why the water pipes do not freeze is because there are people who are always transporting hot water.

2. Because the outside pipe is buried underground, it will not go below zero, and the indoor water pipe will freeze, but the premise is that the room temperature is also below zero, and no one has moved the water pipe for a long time, and the pressure inside the water pipe is relatively large, and the freezing temperature will be lower.

The water pipe freezes the method of rapid thawing.

1. Hot compress method.

The so-called hot compress method is to use a towel, wrap the frozen part, including the faucet, and then pour hot water on the towel, do not need to be too urgent, just pour it slowly, let the towel maintain the temperature, generally speaking, the iron pipe will be good for a while. The PPR pipe conducts heat slowly, and if it takes a little longer, the water pipe will thaw. If the freeze is too severe, you can try pouring it a few more times.

This method is simple and practical, and it is very easy to operate.

2. Hair dryer and heat gun.

We can use a hair dryer to blow the water pipe, this method is a bit slow, and the iron pipe or metal faucet conducts heat quickly. In particular, PPR should pay attention to the fact that the temperature is too high will burn the water pipe, do not stay in one place to blow, and heat evenly from a distance.

3. Water pipe heating belt.

This is a water pipe antifreeze artifact now, which was not available before, similar to an electric blanket, but this is to wrap it around the water pipe, and increase the temperature of the water pipe to prevent freezing through electric heating.

Because the northern building code requires that the buried depth of the water supply pipe network should be below the frozen layer, and Liaoning is generally below it, so it will not freeze.

Because most of the north has central heating

Those with poor protection also freeze, and the water pipes will stop when they are frozen.

This is very troublesome, if the distance is very long, he has to wait for it to melt by himself, if it is a short distance, you can consider heating.

Do not use violent means, such as beating, after freezing, it is easy to rupture the water pipe.

If you consider freeze protection, you can bury the water pipes so that they will not freeze.

1. Spend a little more time in the sun. If the water pipe is frozen, you can see if you can open the water pipe in the sun after the sun comes out, provided that the maximum temperature during the day is above freezing, if the maximum temperature is still below zero, there is little hope of melting yourself.

2. After pouring warm water several times, then take a pot of hot boiling water and pour it evenly back and forth on the water pipe. If it doesn't melt in the sun, it should be boiled with hot water. But don't use hot water directly at the beginning, otherwise it is easy to cause the water pipe to break, you should use warm water to pour it several times, and then take a pot of hot water and pour it back and forth on the water pipe, be careful not to burn yourself.

If it freezes badly, you can pour it a few more times until your hose is melted.

3. Use an electric hair dryer to blow on the frozen water pipe to heat. You can also use an electric hair dryer to blow on the frozen water pipe to heat, when blowing to adjust to the big gear, to start from the faucet, sometimes just the faucet is frozen, if the faucet starts to flow after the faucet, you don't need to blow the pipe anymore, if you don't drip water, we have to slowly heat the pipe along the faucet, until the water pipe is boiled.

4. After unloading the pipe interface, inject warm salt water into the pipe. For thicker pipes, you can use the pipe heating method, that is, after unloading the pipe interface, inject warm salt water from the pipe, and the water pipe will thaw quickly.

5. Wrap the water pipe with torn thick cotton clothes, plastic foam or plastic insulation pipes. Caution should be considered, in order to avoid the water pipe from freezing again, we can use torn thick cotton clothes, styrofoam or plastic insulation pipes, etc., from the root of the faucet to the bottom of the water pipe. Then, tie it vigorously with iron wire, so as to ensure that the water pipe is no longer frozen.

6. The water is limited**, wait until the water is finished and then turn off the faucet. If the water in the water pipe is limited**, then wait until the water is finished and then turn off the faucet, so that the water pipe will not freeze, for fear of wasting water, you can catch the water and connect it to the bucket or other places for backup.

7. Place the hot stove next to the water pipe or turn on the heating in a place where there is heating. If the water pipe in the room is frozen, you can place the hot stove next to the water pipe or turn on the heating in a place where there is heating. When the indoor temperature rises, it will melt the water pipes that we have frozen.

8. Use a hot water bag to apply to the water pipe, dissolve the frozen pipe, if the frozen pipe is only a part, you can use a hot water bag to apply it to the water pipe, so that the continuous heat of the warm water bag can dissolve the frozen water pipe, and the hot water bottle should be changed in time when it is cold.

No, it won't. The water does not freeze when flowing in the water pipe, so to keep the water pipe from freezing, users can turn on the faucet before going to bed at night, so that the water can flow for a long time, and the ear rots in the morning at low temperatures can generally avoid being frozen. Iron pipes are easy to freeze, and plastic pipes and rubber pipes are not easy to freeze.

The pipe diameter is small and easy to freeze, and the pipe diameter is large and not easy to freeze. The flow rate is slow and easy to freeze, and the flow rate is fast and not easy to freeze. The ambient temperature is low and easy to freeze, and the ambient temperature is high and not easy to freeze.

Methods of anti-freezing of water pipes].

1. Citizens can wrap outdoor water supply pipelines (outdoor water supply pipes containing solar energy), valves, faucets and other water facilities with cotton, hemp, straw rope, polyethylene insulation pipe and other materials for insulation and anti-freezing;

2. At night, close the windows of the kitchen, the toilet and all shady rooms to ensure that the indoor temperature is above zero degrees Celsius;

3. When the water flows in the water pipe, it generally does not freeze early, so that the water pipe is not frozen, it is best to open the faucet slightly after using the water at night, so that the fine water can flow for a long time, and it can generally be avoided by freezing when the water is low in the morning;

4. Close the gate valve at the water meter and empty all the water in the water pipe.

When the temperature drops below zero degrees Celsius and the temperature reaches freezing, the water inside the water pipe freezes.

How to thaw the water pipe:

1. Use a hot towel to apply to the water pipe, the towel does not have to be too hot, it can be warm, and use the heat of the towel to melt the ice in the water pipe.

2. Bake with a hair dryer, blow the hair dryer back and forth on the water pipe, then release the water, and the water flow can return to normal.

3. Wait for the natural thaw.

Methods of anti-freezing of water pipes].

1. Wrap cotton and linen fabrics or plastics for heat preservation.

If you do it after applying antifreeze, the effect will be even more significant. If it is a plastic tube, it is recommended to protect it all year round.

2. Drip antifreeze.

The faucet can be unscrewed slightly to ensure the flow of water to prevent freezing.

Below 0 degrees Celsius, the water freezes.

In general, there are three states of matter, namely solid, liquid, and gaseous. In winter, when the liquid water is cold, the water will release heat, the temperature will decrease, when the temperature of the water reaches the freezing point, and continue to release heat, the round water will change from liquid water to solid ice, which is the freezing of the cavity chain water. Water freezing is a thermostatic process, but heat is released.