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[Safe use of the thermos] Soak the red jujube in water and open the lid to explode and hurt your eyes. Do not put 6 beverages in the thermos

2020-08-20T23:40:08.273Z


To "plastic" or reduce the use of paper cups for environmental protection, you may use a vacuum flask to hold coffee, milk tea, milk, soy milk, juice, soda, or use a vacuum flask to bake red date water and health tea, but you accidentally forget to drink it


Teach cooking

Written by: Yin Jiawei

2020-08-21 07:30

Last update date: 2020-08-21 07:30

To “plasticize” or reduce the use of paper cups for environmental protection, you may use a thermos cup to hold coffee, milk tea, milk, soy milk, juice, soda, or use a thermos cup to bake jujube water and health tea, but you accidentally forget to drink it. A few days later, as soon as the lid of the cup was twisted, an "explosion" occurred. In severe cases, the eyeballs could be injured. The design of the flip cover and the suction type may be scalded by the boiling water, and the small thermos cup turns out to be dangerous.

A woman in the Mainland forgot the jujube water in the thermos. After more than 10 days, she unscrewed the lid of the cup, causing an "explosion" accident. (Screenshot of China Television News Video)

A woman in Fuzhou, Fujian, in the Mainland used a thermos cup to soak red jujube water, but forgot to drink it. After more than ten days, she twisted the lid of the cup and found that the lid was "locked" tightly. When she tried her best to unscrew the lid, it exploded. Gai missiles instantly, violently injuring his right eye, causing his right eye to rupture. After being sent to the doctor for treatment, the doctor said that the patient’s eyes were blurred and he needed urgent debridement and sutures. The eyeballs were successfully repositioned. However, the vision will be affected somewhat after recovery. In severe cases, it may cause vision loss.

The woman's right eyeball was "blasted" by the lid of the missile. The eyeball was reset after rescue, but she feared permanent damage to her eyesight. (Screenshot of Pear Video Film)

Physics teacher Xu Jie said in a news interview that when the thermos cup is under high pressure, it will become discouraged after opening, similar to an "explosion" behavior. Chinese medicine and plant-based foods contain cellulose, which is a kind of sugar. Hot water heating accelerates fermentation and produces carbon dioxide. The thermos cup has high airtightness. When the lid is suddenly opened, the pressure is released instantly, and an explosion occurs.

Click the picture to understand the development of the event:

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Not only jujube water, but there are many points to pay attention to when using a thermos cup to hold drinks, but most people tend to overlook the details. In the early years, a famous girl in the mainland used a vacuum flask to fill banana milk, but she also forgot to drink it. From morning to night, she remembered to twist the lid of the cup. As a result, the banana milk exploded and sprayed from the table to the top of the bed and became sticky, accompanied by a burst of sourness. taste.

In the early years, a famous girl in the mainland used a vacuum flask to fill banana milk, but she also forgot to drink it. After twisting the lid of the cup, the banana milk immediately "exploded" and sprayed onto the bed top. (Screenshot of Zhongtian News Video)

Experts add that not all milk drinks are like this. Coffee has less risk, because coffee is roasted at a high temperature without bacteria and is not easy to change. If the hot milk is kept in a vacuum flask, the milk will gradually cool down in the cup, which may cause the milk to deteriorate. Chemistry teacher Zhang Pibai explained in an interview with the news that the fruit's fruit acid and milk are mixed and fermented in a confined space. The situation is similar to wine making. The alcohol, carbon dioxide and other gases produced caused an explosion due to excessive pressure.

Click the picture to understand the development of the event:

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Some thermos cups are designed to open the lid by pressing the button. Don't think that accidents will happen less if the lid is not unscrewed. The accident of being scalded by the thermos cup actually exists, mainly because after filling the hot water above 94‎°C into the thermos cup, the lid is opened only a few seconds later, and almost boiling hot water is ejected from the straw mouth, accompanied by water vapor. You may get burnt if you are not careful. Physics teacher Yue Lin stated on the TV news that if the boiling hot water is sealed, the pressure inside the thermos cup is greater than the outside. When the lid is opened, the external air pressure rushes into the cup to generate high pressure. The venting straw spouted out.

According to the picture, you can also understand the expert explanation:

The general vacuum flask is made of stainless steel. Experts recommend that you do not put juice, soda, milk, and soy milk in the vacuum flask. Store acidic beverages for a short time or not corrode the stainless steel, but if you store it overnight, if there are scratches in the cup and the stainless steel material is poor, It may damage the material or release heavy metals. As for milk, soy milk, milk tea, soda and red date water (with fiber), etc., gas will be fermented, which will expand the pressure in the cup, especially after forgetting to drink it for a period of time, to avoid accidental "explosion" when opening the lid.

According to the picture, there are experts explaining which beverages are best not to be put into the thermos and the reasons:

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You can’t put a thermos bottle, and you can’t put a cold bottle as well. If you add hot water, you can’t pour it into the cold bottle, because the general cold bottle uses a straw mouth, although it is cold, but it also has the effect of heat preservation. It is not recommended to install hot water to avoid opening It is easy to get burned when covering and drinking water. In addition, some experts reminded that you should be very careful when using a thermos to flush water-soluble tablets for drinking, because water-soluble tablets will release a lot of carbon dioxide when exposed to water. If they are pressed in a narrow and closed thermos, there is a risk of "explosion" under high pressure.

If you have to drink the beverage from the thermos at intervals and days, experts do not recommend to put juice, soda, milk (milk-containing beverage), soy milk, and high-fiber tea (red jujube water, fat sea tea), just boiling The hot boiled water should not be put into a vacuum flask to avoid accidents.

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Source: hk1

All news articles on 2020-08-20

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