| 摘要 |
A wall structure for preventing fire spreading is provided to spray fire extinguishing powder promptly and efficiently to prevent fire spreading and to store articles. The wall structure for preventing fire spreading includes a fire extinguishing powder tank(100), a connection pipe(130), a rotation pipe(200), a board(300), a discharger(230), a pulley, first and second power transmission pulleys, a driving motor, a fire detecting sensor and a control portion. The fire extinguishing powder tank(100) is fixed on the interior wall of an interior ceiling, and has many discharging portions(110) having discharging holes(113). The driving motor rotates a driving motor shaft engaged with the first and second power transmission pulleys. The control portion receives the signal of the fire detecting sensor and controls whether to drive the driving motor.
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