How long can the hot water bottle keep warm? How to keep the hot water bottle warm for longer in winter?

Hot water bottles are the most commonly used warm-keeping items in winter. So some people wonder, how to keep the hot water bottle warm for longer in winter? About, how long can the hot water bottle keep warm? How to keep the hot water bottle warm for longer in winter? Let me answer them for you one by one!

How long can the hot water bottle keep warm?

Due to its own characteristics, the hot water bottle keeps warm for almost 3 hours. Hot water bottle is a bag made of rubber or waterproof material, which contains heated liquid to achieve the purpose of heating. There are two kinds of hot water bottles, one is mechanical, and the heating purpose is achieved by adding hot water; The second type is an electric heating bag, which is filled with special oil and heated by inserting electric heating.

Hot water bottles can be kept warm for longer in winter.

In winter, in order to keep the hot water bottle warm for a longer time, salt should be used. Don't fill the hot water bottle with hot water, leave some air, and then add salt to the water. After adding salt, the depth of water will be increased, and the hot water will slowly cool down, so as to keep the hot water bottle warmer. You may think it's a waste to add salt every time. In fact, as long as the salt water is heated and reused every time, the purpose of saving can be achieved.

These two kinds of warm-keeping articles are very dangerous in winter. Warm winter dangerous goods NO 1: electric hot water bottle

In winter, many people hold hot water bottles, and the old hot water bottles are gradually eliminated and replaced by rechargeable electric hot water bottles. However, the safety of this product is worrying, and the news of the explosion of electric hot water bottles is endless. There are mainly two kinds of electric hot water bottles on the market, one is electrode type and the other is electric heating wire type. They both look the same, but in fact they are very different. The electrode hot water bottle is unsafe, and the internal solution is charged when heated. The safety only depends on the external thermostat and human eyes. The water heated by electric heating wire hot water bottle has large specific heat, full heat preservation and controllable temperature, which is much safer than electrode type.

Warm dangerous goods in winter no. 2: electric blanket

People who don't have a warm bed will buy electric blankets, but it is reported that electric blankets can cause infertility. Is it true?/You don't say. Electric blanket can make you warm to sleep, but it also has many side effects, such as thirsty after waking up with electric blanket all night, such as worrying about radiation-induced infertility, such as fire hazards and so on.

For men, there is no evidence that electric blanket radiation can cause infertility, but it is definitely unfavorable for men to sleep with electric blankets on for a long time. The reason is that research shows that when the testis is about 4℃ lower than the normal body temperature, it is most conducive to sperm production. Therefore, long-term use of electric blankets, testicular temperature is too high, which will directly lead to the decline of sperm quality.