At 2:40 pm on September 27, at the Welding Hall of Tsinghua University in Haidian District, an explosion occurred during the experiment of three doctoral students, causing the doors and windows of the room to be blown off and a car damaged. The fire department said that the accident did not cause a fire and no casualties.
According to several witnesses, at 2:40 pm yesterday, a loud noise suddenly broke out in Room 118, 1st Floor, Welding Hall of Tsinghua University. Right glass. "Smoke came out, but no fire was seen," the witness said.
At 3 o'clock yesterday afternoon, the scene was already put on the cordon, and many security guards stood nearby, prohibiting outsiders from entering. The reporter saw that the laboratory in question was about a dozen square meters, and there were no traces on the outside doors and windows. The floor inside the house was covered with dust and tools, and part of the outer layer of the ceiling fell off.
According to the school staff, at the time of the incident, three doctoral students were in the 118 room, using a high-temperature melting furnace to conduct copper solidification experiments. During the period, the furnace exploded, and the students in question evaded in time without any injuries.
According to the fire department, after receiving the police, seven vehicles from Qinghe and Shuangyushu Fire Squadrons rushed to the scene one after another. Since the explosion did not cause a fire, rescuers only checked room 118 and returned after confirming that there were no hidden dangers. At present, the cause of the accident is still under investigation.
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