Why can t the Olympic torch be extinguished in the wind and rain?

The Beijing Olympic torch is designed with thin and high-quality aluminum alloy and hollow plastic parts in the process, which is very light and environmentally friendly. The fuel used in the Beijing Olympic torch is propane, which is a cheap and commonly used fuel. The burning time is 15 minutes, and the flame height is 25 to 30 cm at zero wind speed.

Its main components are carbon and hydrogen, and after combustion, there is only carbon dioxide and water, and there are no other substances, which will not cause pollution to the environment.

During the relay of the Beijing Olympic torch, it may face a variety of unexpected weather conditions, and strong winds and heavy rain will severely test the torch's burning technology. In order to provide a reliable combustion system for the torch, the Aerospace Science and Industry Group contributed a reliable "core" to the Olympic flame. The combustion system of this "core" consists of three parts: burner, pressure stabilizing device and gas tank.

The burner adopts an innovative dual-flame concept, i.e. a pre-combustion chamber and a main combustion chamber. For the first time in the design of the Olympic torch, the flame of the pre-combustion chamber will ensure that the flame of the torch will not be extinguished, even in windy weather, the pre-combustion chamber buried under the top of the torch will not be affected. The flame derived from the main combustion chamber will make the flame of the entire torch burn, ensuring the visual effect of the torch.

When the outside temperature is as low as -20 degrees Celsius, the heat recovery pipe used by the Beijing Olympic torch uses the heat generated by the torch combustion to heat the fuel, so that the fuel tank can generate enough pressure to support the torch combustion without the help of external heating devices.

The Beijing 2008 Olympic torch has reached a new level of technical height in terms of combustion stability and adaptability to the external environment, and can keep burning in strong winds of 65 kilometers per hour and heavy rain of 50 millimeters per hour.

Because the Olympic torch is different from other flames, the materials used to make the Olympic torch are different, and the fuel is different from our general fire, when researching, you may think that it will be extinguished if it rains on a cloudy day, so you use different materials to make this Phoebe ordinary torch, so no matter how wind and rain blows, he will not extinguish it.

Because the Olympic torch burns using a special substance, the chemical name is propane, and this substance burns with the function of resisting strong winds and not being afraid of rain.

Because the inside of the torch is spewed out with a burning gas such as pure oxygen and nitrogen.

According to the introduction of the Beijing Olympic Games Organizing Committee, the torch auspicious clouds used in the Beijing Olympic Games can be used below 7 and strong winds and heavy rain conditions, and the general rain will not extinguish the Olympic torch In addition, in the 2000 Sydney Olympic Games, for the first time in the history of the Olympic Games, the real underwater relay was realized, and a torchbearer wore a shallow water suit and held a special torch to parade in the water for 1 minute!

Because there's something special about the Olympic torch.

The Olympic torch, independently developed by China, adopts many high-tech technologies and has reached a new technical height in terms of combustion stability and adaptability to the external environment, and because it involves military technology, the torch burning technology is also regarded as the core secret of the Beijing Olympic Organizing Committee. The fuel used for the Beijing Olympic torch is propane, the main components of which are carbon and hydrogen, and after combustion, there is only carbon dioxide and water, no other substances, and will not cause pollution to the environment. The torch burning technology is also the guarantee that the torch will go to heaven and earth.

As a symbol of the Olympic spirit, the flame is never extinguished. China, which has already sent a manned spacecraft into space, is not a difficult task from a technical point of view to send the flame to Mount Everest. More than 20,000 torches were needed for the entire Beijing Olympic torch relay, and according to the design specifications, each cost did not exceed 1,500 yuan.

So far, only 3 samples of torches have been produced.

One: The reason for this is that the 2008 Olympic Torch used a completely different fuel than before, using propane as fuel and a dual-flame combustion system.

Two: The flames emitted by the Beijing Olympic torch can withstand wind speeds of up to 40 miles per hour (65 kilometers per hour), nearly 2 inches (5 centimeters) of rain per hour, and temperatures of minus 40 degrees Fahrenheit.

Three: According to Chinese experts, the torch of the 2008 Beijing Olympic Games is based on aircraft engines and rocket combustion technology. The very "mysterious" two-flame combustion system was adopted, which was the first time that mankind applied rocket technology to the torch.

Moreover, the spread in the highlands where the air is thin will also make human history.

Four: The torch of the 2000 Sydney Olympics used a mixture of propane and butane, and the torch fuel of the 2004 Athens Olympics was a mixture of propylene and butane, and it produced a little smoke, but increased the brightness of the flame, providing good conditions for daytime photography.

From drilling wood to electronic ignition, the way of human fire is becoming more and more advanced, but the principle of collecting the Olympic flame is not profound, because only by using the traditional way to make fire can it symbolize the purity of the Olympic flame and the inheritance of the ancient Olympic tradition. The only way to light the Olympic flame is to use a concave mirror to concentrate the sunlight and produce a high temperature to ignite the flame. The principle of concave mirror fire is very simple, and in many sunny areas of our country, concave mirror is also used to boil water for cooking.

Once the flame was lit, it was placed in an ancient tinder jar and taken by the chief priestess to the altar inside the ancient Olympic venues, where the torch of the first torchbearer was lit and its journey to the host city of the Games began. Due to the simplicity of the equipment, but there are certain special requirements for sunlight, and the priestess only has three chances to light the flame, in the event of bad weather on the day of the ceremony, it is necessary to change the time of the flame or use a spare fire, which is usually lit in advance during the rehearsal. For example, at the 2000 Sydney Olympics, dark clouds were at the critical moment when the flame was lit, which led to the failure of the fire, and the flame taken from the rehearsal ceremony the previous day had to be used instead.