Fire experiment: not only make people allergic, how dangerous is Yang Xuxu in case of fire

Recently, Yang Liuxu leaps and bounds to occupy the streets, causing everyone a lot of trouble, especially allergic little partners complained.

You know, these willow catkins will not only cause people's allergic reactions, but also be combustible. It is very dangerous to encounter open flames.

According to the Beijing fire recently informed, at 12:25 on April 12, in the Fengtai district residents Xiluoyuan a self-built shacks on fire, burned area of 30,000 square meters, according to the survey by the fire is lit Wu Yang downstairs next to the garbage heap Catkins, ignited garbage dumps and surrounding residents self-built simple houses, no casualties.

On April 18 , some sundries in a residential area in Chaoyang District had a fire. According to investigations, the cause of the fire was caused by a lit roadside willow stalks causing other combustibles and no casualties. The two men were now under criminal detention by the public security department for allegedly setting fire to arson.

According to Daxing Fire Protection, Yangliuxue contains a lot of oil, and it will cause burning when it encounters an open flame, and it will spread rapidly. Recently, Daxing Firefighting conducted a simulated fire test of willow catkins. The reporter saw on the scene that when encountering an open fire, willow catkins will quickly burn and ignite the surrounding combustibles. Even a cigarette-size fire source can rapidly ignite the willow catkins.

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On-site experiment: A 1- minute fire can ignite a car

In order to demonstrate the flammability of willow catkins, fire officers and soldiers will put a bunch of willows in their hands and put an unburned cigarette butt into a small amount of willow catkins. The catkins around the cigarette butts quickly become black carbonized and sparks are generated. . Subsequently, the firefighters placed the open flame in a large group of willow catkins. The willow catkins immediately burned, and the fire spread only for 2 or 3 seconds. A large group of willow catkins will "fly out."

â–² The firefighters placed the open flame in a large group of willow catkins, and the willow will immediately burn.

In the experiment, although the source of the cigarette is only the size of the cigarette but it can still quickly ignite the willow catkin. When the wind is encountered, the fire will also ignite the surrounding debris of the willow by the wind.

Experimental location: An open space near Shengyuan Bridge, Daxing District

Experimental staff: Daxing fire brigade

Experimental equipment: willow catkins, scrapped vehicles dismantling tanks

Experimental results: Yang Liuxu ignites in a moment of fire, and it burns for more than one minute

1 , ready

Firefighters use a scrapped vehicle and remove the vehicle's fuel tank for safety reasons. At the same time, in order to simulate the actual situation to the utmost, not only willows will be scattered around the vehicle and underneath the vehicle, but also old newspapers, hay and other debris will be added. Firefighters deliberately chose a more open space.

2 , ignition

After preparing the experimental items, the firefighters lit the willows around the vehicle with a lighter. Yang Liuxu, under the action of an ignition source, took all of the “boom” and caught it. The flame tongue was caught in the bottom of the car. Scraps, weeds, and other combustibles were ignited at the moment. It was less than one minute. Black smoke began to appear at the bottom. Some plastic and rubber lines at the bottom of the car were ignited and black smoke emitted.

â–² The firefighters lit the willows around the vehicle with a lighter.

3 , explosion

As the black smoke became thicker, the vehicle’s fire became larger and bigger. Suddenly, a “bang!” explosion sounded as the explosion of the car’s tires caused by heat. This meant that the fire caused by willow catkins had penetrated into the interior of the car. Destroy the car structure. After another explosion, the two rear wheels of the vehicle were completely paralyzed and the scene was accompanied by a noticeable pungent odor. It can be clearly seen that some body parts are distorted and deformed under the effect of high temperature. At this time, it only took four minutes to ignite poplar.

4 , fire extinguishing

Subsequently, the firefighters at the scene used dry powder fire extinguishers and fire hoses to extinguish the car. At this point you can see the car's tail has been completely burned. Due to the complex structure of the automobile and the large number of internal circuits, the fire brigade has carefully wetted the experimental vehicle in order to avoid remaining in the vehicle.

â–² On-site firefighters fired the car with dry powder fire extinguishers and fire hoses.

5 , experimental analysis

On-site firefighters introduced that if willow stalks will rapidly spread once they are combusted, the flammables will be ignited and the fire will increase. The vehicles parked nearby will easily be burned. This is because car tires are filled with compressed air, rubber tires swell and burst at high temperatures, internal gases are quickly ejected, causing explosions and exacerbating the spread of fire.

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Reminder from firefighters

Firefighters introduced, experimental data show that Yang Liuxu encounters an open flame and can quickly burn within 2 seconds. Improper cleaning of willow catkins may cause fires. For example, some units will use incineration methods to clean willow catkins. This is extremely dangerous and extremely undesirable.

Yang Liuxu ignites many factors, so it is difficult to control. And if willow swiftly spreads, it will spread quickly. The willow catkins drift everywhere and in every direction. No matter whether it is in the grass and cypresses, in the surrounding of houses, or in the ditch or in the shed, it is covered with willows everywhere. Therefore, if it is not controlled in time, it is easy to ignite grasshoppers, houses, and lawns. Greenhouses and other items form a large fire.

For willow catkins attached to flammable materials, it can be cleaned in a timely manner by splashing with water, cleaning and burying, so as to avoid a situation where a fire causes “fire burning”.

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"Cup" case: Burnt catkins fired factory sentenced to two years

Ms. Wu , who was 60 years old, ignited the willows that had accumulated in the yard when cleaning her own house. After the fire was difficult to control, she ignited a nearby musical instrument factory and destroyed some of the factories and musical instruments.

"I'm afraid that Yang Shuzi’s son flew up and stabbed people. Then he used a lighter to light up the poplar's hair. When he clicked on the poplar under the wall of the west side of the power plant, the leaves and branches piled under the wall lit. The larger the fire, the more it burned to the factory building on the west side of the wall." During the trial, Ms. Wu stated that the incident had occurred.

The public prosecution agency held that the defendant Ms. Wu’s negligence caused fire and jeopardized public safety and caused public and private property to suffer heavy losses. The defendant should be held accountable for the crime of misconduct. April 18, the Court of First Instance sentenced the defendant to consider Ms. Wu has voluntarily surrendered themselves, a good attitude, Ms. Wu sentenced the accused guilty of the crime of fire in accordance with the law, sentenced to two years; compensation for incidental civil plaintiff 128 million yuan.

So, make sure you leave the willow away from the fire!

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