Have you brought self-heating food on the train? Be careful as it will react violently with water after being damaged
Gu Jianfeng is doing self-heating bag in water reaction experiment. The pictures in this paper are all for Shanghai Chemical fire Protection.
In recent days, the fire rescue brigade of Shanghai Chemical Industry District has continued to carry out concentrated fire safety rectification actions, focusing on the investigation of hazardous chemical enterprises, hazardous waste enterprises, crowded places and other places.
Damaged self-heating bag in water reaction
Considering that self-heating food has been popular in recent years, especially at present, when the traffic peak period, not only during the Spring Festival travel may have many passengers with "self-heating pot" board the car, the hotel will also encounter guests with self-heating food. On February 5, as one of the representatives of Shanghai Chemical Industrial Park "technical send" fire volunteers, Gu Jianfeng, inspector of Shanghai Customs Industrial products and raw materials Testing Technology Center, brought beakers and self-heating food to the hotel and gave a "fire experiment class" for the hotel staff.
Damaged heating package reacts strongly after encountering water
"Self-heating food processing is particularly convenient, just add water, soon you can enjoy hot food. However, if the self-heating package is broken, be careful." Gu Jianfeng used three beakers to do a group of experiments on the reaction of self-heating packets in contact with water, and one of the damaged self-heating packets reacted violently after encountering water, and the water splashed out directly.
Gu Jianfeng explained that many of the ingredients of the self-heating package contain quicklime, which reacts quickly after water. In case of splashing into the eyes, it is likely to cause visual damage. Therefore, if you find that the self-heating bag is damaged, try to give up the use.
Restore "flour deflagration" moment
Kitchen is one of the key areas of the hotel to use open fire, Gu Jianfeng reminded to regularly clean the fume pipe at the same time, especially mentioned that "the use of flour should be deflagration of the heart". Gu Jianfeng on the spot played a "small experiment of flour deflagration" that he did in the laboratory.
In order to create an airtight space, he cut out a transparent cover with a plastic bucket; He also cut a flour container out of a small plastic bottle. Next, he connected a pump to a plastic straw to create a simple "blower."
Self-made device to reduce the "flour deflagrator" instant
After the experiment began, he lit the alcohol cotton and put it in a transparent plastic cover with flour, at which time the alcohol cotton has been steadily burning. However, when he used a pump to "blow the air" and blow up the dry flour, deflagration occurred in the plastic cover instantly and "burst out a fireball".
"It was really shocking to see the fireball with my own eyes." Hotel staff said the "seeing is believing" experiment was impressive.
The staff of Shanghai Chemical Industry fire Rescue Detachment said that in order to effectively improve the fire safety awareness and the ability to resist fire accidents of the park staff, the detachment will also give full play to the advantages of "outstanding professional ability" of fire volunteers, effectively strengthen the exchange of fire safety management experience between enterprises, and continue to do a good job in winter and spring fire prevention and control publicity.