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High rise building fire escape, you need to know this!
Edited by: Anonymous Revised on: November 19, 2019 16:38:51 Source: original website
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Abstract: High rise building fire escape, you need to know this!

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Now there are many high-rise buildings in cities. After a fire, many people's first reaction is to run. So here comes the question..., If you encounter a fire in a high-rise building, where should you run, upward or downward?

Should you run up or down in case of fire

Most of the casualties in the fire are caused by smoke, which rises very fast. For example, For a 100 meter high building, smoke can reach the top floor in half a minute, which is the real reason why it is difficult to escape from a high-rise fire.

Experts suggest that, First, judge the fire according to the actual situation on site, and lower down to evacuate quickly. Find a fire escape and escape from the fire source, Never take the elevator. Try not to escape upstairs, because The roof terraces of most high-rise buildings are locked. When they are found, they miss the best time to escape. If there is smoke spreading, you should carry a wet towel, fold more layers, cover your mouth and nose, block toxic smoke from entering the respiratory tract, and then lower your body to escape quickly.

When you escape to the lower floor, If the fire source is found at a lower position, remember not to cross the fire point, Because the temperature in the center of the fire can be as high as 1000 ℃. What we should do at this time is, Move quickly to the upper floor to find a suitable "fire escape point".
First of all, you cannot choose a small room without windows, For example, toilets, storage rooms and rooms without windows may cause suffocation.
Secondly, you can't go to a room with a burglar net, This will make it difficult for firefighters to rescue. The best "fire escape point" is to choose a room near the main road of the building, and do not cry out for help, so as to avoid consuming more oxygen and inhaling too much carbon monoxide and nitrogen.

In case of fire, no matter which building you are in, as long as you are above the third floor and there are no protective measures on the ground, Do not jump from a building blindly. If the floor is not high, if it is in the daytime, you should look for clothes, bed sheets or cloth strips, twist them into ropes and tie them to solid objects in the room, and slowly climb down the outer wall, However, the bed sheets, clothes, cloth strips, etc. should be firmly tied to avoid breakage or knot falling off; In the evening, flashlights or other light sources should be used to attract attention, but lighters are not allowed, Because the lighter is not obvious in the fire scene, and it will lead to combustible gas explosion. It is very important for high-rise residents to save themselves in the first time in case of fire, Learning to use fire-fighting equipment is a basic ability that everyone should have.

Everyone knows the hazards brought by fire, but in daily life, fire safety is easy to be ignored. It is often necessary to wait until an accident occurs and losses are caused before turning back to alert. This is because the fire prevention is not put first. Fire and water are relentless, and I hope everyone can enhance their awareness of fire safety.

Smoke is the "life killing devil" in fire

Many people think that burns are the most harmful thing when a fire breaks out Smoke is the biggest risk factor of death in fire.

Carbon monoxide is the prime culprit of death caused by thick smoke. In the air where the concentration of carbon monoxide reaches 1.3%, people will lose consciousness after taking two or three breaths, and will die after breathing for 13 minutes. and The content of carbon monoxide in the flue gas generated by the burning of common building materials is up to 2.5%. In addition, the smoke in the fire also contains a lot of carbon dioxide. In addition, some materials, such as PVC, nylon, wool, silk and other fiber products can produce highly toxic gas when burning, which is more harmful to people.

At the same time, The smoke and gas in the fire can also cause inhalation damage. Inhalation injury refers to the injury of respiratory tract and lung parenchyma caused by the inhalation of some chemical components of hot air, steam, smoke, harmful gases and volatile chemicals, as well as systemic chemical poisoning caused by the inhalation of toxic gases and substances. Mild inhalation injury is mostly limited to the mouth, nose and pharynx. Clinically, sputum containing charcoal particles can be seen. The mouth is red and swollen, sometimes with blisters, and the throat often has slight pain and dryness. Moderate inhalation injury mainly affects the pharynx, larynx and trachea, often accompanied by hoarseness, redness and edema of the upper respiratory tract. Severe inhalation injury often damages bronchi, bronchioles and alveoli, resulting in airway mucosa shedding, pulmonary edema, atelectasis, and severe dyspnea.

Remember the "Four word formula" for first aid of burns

In case of burns, everyone must go to a doctor in time. However, before going to a doctor, what first aid measures should be taken to alleviate the injury? Here are some principles of first aid for burns.

Remember the first aid "four word formula" for burns: "Off", "Flush", "Wrap" and "Send".

Take off refer to After burn, immediately get rid of the injured object, put out the flame and take off the burning clothes.

Flush refer to Flush the wound with tap water and continue to flush with cold water, which can rapidly dissipate heat locally, reduce the damage of residual heat on the deep subcutaneous tissue, and relieve pain.

Wrap refer to Wet compress and wrap the wound with clean towel to prevent the wound from pollution and re injury.

Send Means Send the patient to the hospital in time. Remember that if the burn area is large or the condition is serious, it may cause shock. It is necessary to maintain the transfer of infusion state to prevent transfusion failure after shock.

If you are burned by firecrackers, you need to add a word "bubble" between "flush" and "wrap" for first aid measures.

Bubble It means that after being burned or scalded by fireworks or firecrackers, Wash and soak with plenty of tap water or clean cold water for at least half an hour as soon as possible. This step is very critical. On the one hand, it can reduce the burning sensation of the burned person and reduce the residual heat on the skin surface; On the other hand, it can quickly eliminate the factors causing injury and relieve the pain of trauma.

Burn accidents happen from time to time. We should not only learn first aid measures for burns, but also Prevent such accidents in advance, Reduce the possibility of burns.

The following precautions are taken for five groups of people:
First, infants 。 Infants need to be taken care of carefully, and the heat source should be moved to a place where infants are not easy to touch.
Second, preschool children. To prevent burns in preschool children, matches, chemicals, etc. should be placed in places that are not easily accessible to children, and children should be taught about the dangers of fire, hot fluid, and electricity.
Third, teenagers. It is necessary to guide young people to use electricity correctly and actively participate in fire drills organized by schools.
Fourth, adults. Adults should always be vigilant when using alcohol, installing electrical cables, and using gas.
Fifth, the elderly. The elderly should participate in more community education activities, and their children should pay more attention to them. They should always remind the elderly to prevent fires.

As for the first aid measures in case of burns, many people are superstitious about "earthwork" and "folk prescription". The first reaction to burns is to apply toothpaste, iodine, purple potion, etc., and think that such "local methods" are more effective. In fact, this is not correct. If drugs are applied to the wound without authorization after burns, it will not play a role in treating burns. Sometimes, the wound will be covered up, so that doctors can not immediately determine the size and depth of the wound, and even lead to bacterial breeding and wound infection, making the condition more serious.
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High rise building fire escape, you need to know this!