At the upcoming "World Corrosion Day", Han Enhou, Chairman of the World Corrosion Organization, Dean of the Shenyang Branch of the Chinese Academy of Sciences, and Research Fellow of the Institute of Metal Research of the Chinese Academy of Sciences, was interviewed by this reporter. Han Enhou said that in life, the corrosion around people is ubiquitous, and there is little concern that corrosion may “eat†your kitchen.
Metal kitchen utensils are washed and dried to prevent corrosion
There are rusted iron pans, range hoods, faucets... If you look at life, it's not hard to see that you go out into the kitchen every day, it is very prone to corrosion. Experts say that if you don't pay attention to the use of various kitchen utensils, many corrosion problems will follow, and you will "eat" your kitchen inadvertently.
Han Enhou suggested that the metal and water and air should be used together in the process of corrosion. Therefore, after cleaning, the kitchen utensils must be dried and put away to avoid the accumulation of moisture. In the process of cleaning the kitchen utensils, it is not possible to use strong alkaline or strong oxidation. Soda soda, bleaching powder, detergent, etc. are washed for a long time to avoid the reaction of these substances with metals and accelerate the speed of corrosion.
Stir-fried dishes in the metal container "overnight"
Corrosion will not only make the kitchen look worn out, but also some metals will release harmful substances in the process of corrosion, which is a major health hazard. Han Enhou's example: If the cooking is not eaten, would you put the leftovers in the pot and wait for the next meal? If you eat it in a short time and eat less, then the effect is not big, but if the cooking is long In the pot, this will cause some harmful substances to enter the food.
Han Enhou introduced that cooking contains salt or vinegar. It is not advisable to place the food in metal kitchen utensils for a long time. Salt and vinegar will corrode metal kitchen utensils, causing toxic substances in the metal to penetrate into the food. If you eat such food for a long time, you may be hurt by your body. Even stainless steel pots can cause harmful ions due to salt, vinegar, etc. For another example, many people like to eat pickled vegetables. The salt and vinegar content in the mixed vegetables is more, and it is not easy to put in the metal kitchen utensils for a long time. Not only that, steel pots, iron pots are recommended not to lick Chinese medicine. Because considering the complexity of the composition of traditional Chinese medicine, it will cause more ions in the metal pot, which also affects the medicinal properties of traditional Chinese medicine. At the same time, it is recommended to use tap water in the home for a while and then cook or boil water.
The “magnesium rod†in the water heater needs to be replaced regularly.
Corrosion is proportional to time and temperature. The higher the temperature, the longer the corrosion time and the greater the degree of corrosion. The simplest example around me is the magnesium rod placed in the water heater, which is easy to rust with the magnesium rod, thus protecting the internal structure of the water heater from corrosion. Conversely, if the “magnesium rod†is not replaced regularly, the corrosion of the water heater will increase and the service life will be shortened.
Han Enhou said that the purpose of setting up World Corrosion Day is to awaken the government, industry and each of us to recognize the existence of corrosion. The economic loss caused by corrosion is more than 4.3% of the annual GDP of each country. This is why everyone should be made Learn more about corrosion to minimize the damage and damage that can be caused by corrosion around you. Author: Ding Ning
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