Chemical Trailer Spontaneous Combustion Fire Department Emergency Disposal

At 17 o'clock on May 24th, a flat-bed trailer full of insurance powder and hydrogen peroxide in the Liwan District of Guangzhou suddenly caught fire, and the fire department received the report and handled it in a timely manner. The accident did not cause any casualties.

According to witnesses at the scene, at that time, it was raining in the sky, and the flat-panel vehicles parked at the entrance of the Nantianjia Market on Huadi Avenue suddenly emerged with pink flames and a lot of smoke, and emitted a pungent odor, and the scene gathered a large number of unsuspecting people onlookers.

After receiving the alarm, the Guangzhou Fire Brigade sent a total of 8 fire engines and 50 firefighters arrived at the scene to implement the disposal. Public security, environmental protection, safety supervision and other departments have successively arrived at the scene to assist the rescue work.

The fire department learned that the vehicles were loaded with chemicals such as insurance powder and hydrogen peroxide. Since the insurance powder could not be saved by water, the cement and dry river sand (4 tons) were coordinated to save and cover up the insurance powder that was leaking; the police blocked the evacuation. The surrounding people in a range of 150 meters to prevent poison gas threatens the safety of the surrounding people. Subsequently, the fire officers wearing protective clothing , wearing air breathing apparatus , separation of the insurance powder and hydrogen peroxide, while using cement sand to extinguish the insurance powder fire, to prevent further expansion of the situation.

The fire department introduced the scientific name of the insurance powder "sodium dithionite." The powdered powder has a strong reducibility, and it burns with water to release sulphur dioxide and a lot of heat. The hydrogen peroxide name hydrogen peroxide is a very strong oxidant that can spontaneously disproportionate to produce water and oxygen. When the two chemicals were mixed and piled on a flatbed without any protective measures, and when the rainy weather caused the continuous combustion of the insurance powder, the risk was equal to 4 tons of "incendiary bombs."

After eight hours of emergency treatment, the insured powder that had leaked out of the fire was covered with cement and sand, and then the steel evacuated the scene safely. The unspoiled part was transported to a safe place. The accident was handled promptly and did not cause any casualties. The cause and loss of the accident were further investigated.

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