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A platform for research: civil engineering, architecture and urbanism
Ventilation and smoke exhaustion device of underground stereo parking garage
The invention discloses a ventilation and smoke exhaustion device of an underground stereo parking garage. The device comprises two ground exhaust ducts, two underground exhaust ducts, an underground bottom channel, annular exhaust ducts positioned on the outer sides of underground parking place structures in all the layers and top exhaust fans, wherein the upper part of each ground exhaust duct is connected with the corresponding top exhaust fan, and the lower part of each ground exhaust duct is connected with the corresponding underground exhaust duct; the two underground exhaust ducts are communicated with the underground bottom channel, and are communicated with all the annular exhaust ducts. According to the ventilation and smoke exhaustion device, under the pumping action of the top exhaust fans, negative pressure is formed inside the underground stereo parking garage, outdoor air enters the underground stereo parking garage through the gap between a ground parking room and the underground stereo parking garage, and harmful gases in the underground parking place structures in all the layers of the underground stereo parking garage are discharged outdoors sequentially through the corresponding annular exhaust ducts, the underground exhaust ducts, the ground exhaust ducts and the top exhaust fans, so that harmful gases of the underground stereo parking garage can be effectively removed, and the temperature of the underground stereo parking garage is decreased.
Ventilation and smoke exhaustion device of underground stereo parking garage
The invention discloses a ventilation and smoke exhaustion device of an underground stereo parking garage. The device comprises two ground exhaust ducts, two underground exhaust ducts, an underground bottom channel, annular exhaust ducts positioned on the outer sides of underground parking place structures in all the layers and top exhaust fans, wherein the upper part of each ground exhaust duct is connected with the corresponding top exhaust fan, and the lower part of each ground exhaust duct is connected with the corresponding underground exhaust duct; the two underground exhaust ducts are communicated with the underground bottom channel, and are communicated with all the annular exhaust ducts. According to the ventilation and smoke exhaustion device, under the pumping action of the top exhaust fans, negative pressure is formed inside the underground stereo parking garage, outdoor air enters the underground stereo parking garage through the gap between a ground parking room and the underground stereo parking garage, and harmful gases in the underground parking place structures in all the layers of the underground stereo parking garage are discharged outdoors sequentially through the corresponding annular exhaust ducts, the underground exhaust ducts, the ground exhaust ducts and the top exhaust fans, so that harmful gases of the underground stereo parking garage can be effectively removed, and the temperature of the underground stereo parking garage is decreased.
Ventilation and smoke exhaustion device of underground stereo parking garage
SHI XIAOZENG (author)
2016-01-20
Patent
Electronic Resource
English
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