How long does a thermos water bottle last for a long time?

1-2 units, depending on the quality, good 2 days, generally 1 day to 50 degrees.

Boiled water has a shelf life of only 16 hours in the air.

When the water is boiled, the pathogenic microorganisms in it are killed, however, after the boiling water temperature drops to room temperature, microorganisms may multiply in the water, and the longer the time, the more microorganisms will be counted. However, there is no fixed time for how long the number of microorganisms will exceed the limit and it will no longer be suitable for drinking.

Because the shelf life of boiling water will also be affected by many objective environments, such as the cleanliness and heat preservation of the water dispenser, what is the room temperature, whether it is covered and stored and the tightness of the device. If the boiling water is kept in a thermos with good heat retention, there is no need to worry about the reproduction of microorganisms. However, if the boiling water is not clean, and the opening is placed, the risk of microorganisms exceeding the standard increases.

Extended Information; Precautions for boiling water:

1. Water should not be boiled for too long, if the water is boiled for too long, it will cause the aging of water and the formation of harmful substances.

In order to kill bacteria and viruses in the water to the greatest extent, minimize the hardness in the drinking water and reduce the nitrite content in the drinking water, it is better to control the boiling time of boiling water in 5 to 10 minutes. If the boiling time is more than 15 minutes, or like a water heater in a public place, it is reverse boiling.

2. The water of the day must be drunk on the same day, if it is placed for too long, aging water will be formed, and there will be a lot of harmful substances, and the longer the time, the more harmful substances will be, which is not good for the body.

3. The water should be boiled thoroughly, when boiling water, you can't look at the water surface and think that the water is boiling, at this time, the toxicity of the water is relatively large, and it has not been completely boiled, so you should boil it for a while before drinking.

4. If you use tap water to boil water, it should be noted that after chlorination, the combination of chlorine and organic matter in the water will produce halogenated hydrocarbons, chloroform and other carcinogens. When boiling water, take out the tap water and leave it for a while before boiling, which can accelerate the volatilization of harmful substances.

Water also has an expiration date, it is best to drink it within three days, if you are asking about the insulation of boiling water, a good thermos cup is about the same as a day.

One day, the next day water can not be drunk.

The boiling water of the thermos bai bottle is best every other day

Don't drink it. zhi

If the low-quality thermos cup may contain.

DAOs have some heavy specialized metals.

Genus, although there are few heavy metals in the overnight water, there are still some. So conditionally, try not to and overnight water. Generally do not exceed 24 hours.

Thermos flasks, also known as thermos bottles, daily necessities, the shell is made of bamboo strips, iron sheets or plastic, etc., and the bottle is filled inside. The bottle is made of double-layer glass, the two sides of the interlayer are plated with silver and other metals, the middle is vacuumed, and the bottle mouth has a stopper, which can maintain the temperature inside the bottle for a long time. The hot water bottle is usually called a hot water bottle; Cold food is usually called an ice bottle.

In general, bai

Freshly boiled water, the water temperature is over du, at this time, the general DAO microorganisms in the water have been killed, only some germ spores and some thermophilic bacteria remain, thermophilic bacteria are generally harmless to the human body According to the Pasteur sterilization method, the sterilization temperature is at Celsius, so as long as the water in your boiling kettle still has this temperature, then you can drink it with confidence

Hello, generally boiled water should not be drunk after three days in the Paula thermos, because if it is placed for too long, nitrite will be produced after a large number of bacteria, and if the human body consumes too much nitrite, it will produce symptoms such as hypoxia and nausea, and it is easy to induce cancer, of course, the premise is a large amount of intake. If you accidentally drink it once in a while, it will not cause great harm, and the accumulated amount will affect your health, so it is recommended not to drink the water that has been boiled repeatedly, it also contains a lot of nitrite.

Generally, it will be cold in about 3 days.

The time for which the thermos is kept warm is not necessarily the same, but generally speaking, it is better to keep the thermos for more than eight hours. Generally speaking, what about hot water after pouring it into a thermos? Tightening the lid of the cup will not change much in two hours, or not screwing the cap can also slow down the time for the water in the thermos to cool down quickly.

When a cup of hot water is uncapped in a thermos, the heat preservation time of half an hour can be guaranteed, and it can be regarded as a qualified thermos. Therefore, according to the above requirements, you can use half an hour to open the cap and eight hours to judge whether the thermos is qualified or not. As for the maximum time, it can reach a day or even more.

I am a thermos flask factory, logically speaking: the boiling water of the thermos flask after 36 hours should not be lower than 74 for qualified. Why do you say this, first of all, we must know part of the process of producing thermos flasks, one of the thermos flasks should be no less than 5 layers of glass shell, and each layer of glass shell should be coated with a layer of silver nitrate for heat preservation, that is to say, a layer of shell can be kept warm for hours, that is, about 36 hours, and now there are only 3 layers of glass shell of the thermos flask, so the quality of insulation can be imagined

The boiling water of the thermos flask is qualified after 24 hours with a water temperature of not less than 60.

It's not a long time.

<>1. The worst place for the thermal insulation and cold insulation function of the thermos cup is around the bottleneck, where the heat is mostly circulated by conduction. The larger the capacity and the smaller the bottle mouth, the better the insulation effect, under normal circumstances, the cold drink in the bottle can be kept at about 4 within 12 hours. Boiling water is around 60.

2. Stainless steel insulation is about 6 hours and 12 hours, and most stainless steel thermos cups can be kept warm for 2 to 4 hours. Under normal circumstances, a *** thermos cup above 95 degrees of boiling water is poured in, and the temperature can be kept above 40 degrees after 6 or 8 hours.

3. The length of the holding time depends on the structure of the cup and the thickness of the materialThe vacuum cup with large capacity and small diameter holds longer heat up, while the vacuum cup with small capacity and large diameter holds the cup for a shorter time. The thinner the material, the longer the holding time, but the cup body is easy to be damaged and deformed, which affects the service life.

Measures such as metal film and copper plating on the outer layer of the vacuum cup can also increase the degree of heat preservation.

Under normal circumstances, an ordinary hot water bottle is kept warm for about 12 hours. Generally if it is a bottle that does not leak air, it is considered normal within 24 hours at about ten degrees, but this is related to the ambient temperature and use method of the use process, try not to make the water directly connected to the bottle stopper when filling boiling water, because the heat conduction of direct contact is faster than the air conduction heat energy of a period of space, and the direct contact will reduce its thermal insulation effect. The reverse is also true for cold insulation.

Summary. About 12 hoursUnder normal circumstances, ordinary hot water bottles are kept warm for about 12 hours. Generally, if it is a non-leaking bottle, it is regarded as normal within 24 hours at about ten degrees, but this is related to the ambient temperature and use method of the use process, try not to make the water directly contact the bottle stopper when filling boiling water, because the heat conduction of direct contact is faster than the air conduction heat energy of a period of space, and direct contact will reduce its thermal insulation effect.

I'm sorry I don't understand, but can you elaborate on that?

About 12 hoursUnder normal circumstances, ordinary hot water bottles are kept warm for about 12 hours. Generally, if it is a bottle without air leakage, it is considered normal within 24 hours at ten degrees on the left and right, but this is related to the ambient temperature of the use process and the judgment of the use of the party, try not to make the water directly contact the bottle stopper when filling boiling water, because the heat conduction of direct contact is faster than the air conduction heat energy of a period of space, and direct contact will reduce its thermal insulation effect.

Dear, <>

Hello, glad to answer for you. It is normal for the thermos to be kept warm for about 12 hours. And after 12 hours of boiling water, it must be kept above 60° to be qualified.

The thermos was invented by the English scientist Dewar. The principle is that a layer of silver or reflective paint is applied to the vacuum compartment to block the heat radiation.

Use another stopper to plug the mouth of the bottle. In this way, the three ways of heat conduction are cut off, and the outer tank of the bottle can maintain the temperature for a long time. The function of the thermos is to maintain the temperature of the hot water in the bottle, cut off the heat exchange between the bottle and the outside of the bottle, so that the "heat" in the bottle cannot get out, and the "cold" outside the bottle cannot come in.

If you put a popsicle in a thermos bottle, it will not be easy for the "hot" outside to run into the bottle, and the popsicle will not melt easily. Therefore, it is scientific to call a thermos a thermos flask, because it can keep both "hot" and "cold". I hope I can help you, I wish you a happy life and a prosperous <>

Boiled water can generally be left in a thermos flask for a day.

Pouring boiling water in the thermos at night may not be able to be drunk that night, the next day the water will become overnight water, overnight water in a sealed state as much as possible to drink the next day, to the third day is not recommended to drink.

If it is plain water, it can be drunk overnight in a sealed state. Because the boiled water is sterilized at high temperature, there are fewer microorganisms, and it can be drunk on the first day. If the thermos flask is open, try not to drink, because there will be some mosquito activity at night, if these mosquitoes lay eggs on the thermos flask, it is easy to drink cold boiled water with mosquitoes when drinking water the next day.