Natural ventilation enters the wind from all around the outer wall place, then in the filthy room the air outward will pull out the wind using the stair hall watchtower chimneyeffect.
自然通风从四周外墙处进风，然后将污浊的室内空气利用楼梯间角楼的烟囱效应向外拔风。
2
Through a comparison of the use effect of CL-80 grout with that of acid-resisting brick in the construction phase, it is shown the influence of construction condition on the choice of chimney lining.
Among them, large atrium under the small involute rotating staircase, played a similar chimney "pull the wind" effect, the appropriate temperature and humidity of the new wind to every corner.