A few days ago in the new village of the boathouse
An electric car full of balloons
Sudden deflagration
The electric car was instantly surrounded by open flames
Just when the owner was helpless, nearby businesses quickly found fire extinguishers to help extinguish the fire.
The balloon burst into flames and ignited the electric vehicle
Merchants lend a helping hand and warm their hearts
Merchant: "I'm sitting here, and a lot of people are outside saying, 'It's burning, it's burning, it's going to be a balloon!' I looked, and a couple of balloons started to burst out, and the fire was burning, so I came out with a fire extinguisher and put out the fire for him, right in this place. ”
Nearby businesses said a man was riding a bicycle past the front of a shop with a bamboo pole tied to the scooter and balloons hung from it.
Only a few explosions were heard, and the electric car ignited an open flame, and seeing this, the man quickly abandoned the car and ran to the side.
Merchant: "He was also scared, and when he lost the electric car and ran away, my husband brought a fire extinguisher to help him extinguish the fire. When you encounter this incident, you should lend a hand, it also looks dangerous, and you must quickly extinguish the fire. ”
Due to the timely rescue, the man's electric car was not seriously damaged, but the tail box was burned and damaged, which did not affect the normal riding.
Merchant: "He's a hydrogen balloon, the cigarette butt will explode at the slightest bit, like these balloons, it's better for children to buy less." ”
Why do hydrogen balloons explode?
Lightweight pouch or sac balloons are filled with hydrogen
It can float upwards by the buoyancy of hydrogen
The hydrogen inside the balloon is
A gas with the lowest density and flammable and explosive
Its density is 0.0899 grams per liter
It does not react easily with oxygen at room temperature
But friction with other objects produces static electricity
When exposed to open flames, sun exposure, or excessive stress
There is a high probability of causing an instantaneous explosion
Turns into a hot fireball
Burn people around the balloon
Hydrogen balloons are so dangerous, why are they still sold on the streets?
- Generally speaking, to make a balloon fly, you have to fill it with hydrogen or helium, both of which are less dense than air, so you can float the balloon in the air.
- Hydrogen balloons: hydrogen is flammable and explosive is very dangerous, in 2006, the relevant state departments jointly issued the "Notice on Further Strengthening the Safety Management of Balloon Release": "Inert gases such as helium replace flammable and explosive gas inflatable balloons, and at the same time clearly stipulate that it is strictly forbidden to fill and release hydrogen balloons and their lift-off objects in public places, and it is strictly forbidden to fill hand-held hydrogen balloons on various occasions, and balloons for children to play with should be filled with inert gases such as helium." ”
- Helium balloons: Helium balloons, while safe, cost much more than hydrogen balloons. The difference between the prices of hydrogen and helium on the market today is more than 10 times.
- Therefore, it is not excluded that there are merchants who fill balloons with hydrogen.
Dear parents and friends,
For your safety and the safety of your children
Do not buy hydrogen balloons
Be sure to stay away from this "mobile grenade"
meantime
When you buy balloon toys for your child
Also note the following safety precautions
Source: 8099999 Streets and Alleys
Part of the source: Datong Fire Fighting
Editor: Zhang Miaoyun
Editor: Lin Shuaichao
Final review: Zhao Wen