化工设计竞赛SITE,DATA二氧化碳储罐蒸汽云(0001)

发布时间：2021-09-08 00:19:42 浏览数：次

　SITE DATA:

　Location: DONGYING , SHANDONG, CHINA

　Building Air Exchanges Per Hour: 0.62 (unsheltered single storied)

　Time: July 18, 2019

　1445 hours ST (using computer"s clock)

　 CHEMICAL DATA:

　Chemical Name: CARBON DIOXIDE

　CAS Number: 124-38-9

　 Molecular Weight: 44.01 g/mol

　IDLH: 40000 ppm

　Ambient Boiling Point: -70.6?F

　Vapor Pressure at Ambient Temperature: greater than 1 atm

　Ambient Saturation Concentration: 1,000,000 ppm or 100.0%

　 ATMOSPHERIC DATA: (MANUAL INPUT OF DATA)

　 Wind: 2.7 meters/second from NW at 10 meters

　Ground Roughness: open country

　 Cloud Cover: 5 tenths

　Air Temperature: 35?C

　 Stability Class: B

　No Inversion Height

　Relative Humidity: 75%

　 SOURCE STRENGTH:

　Leak from hole in spherical tank

　 Non-flammable chemical is escaping from tank

　Tank Diameter: 4.6 meters

　Tank Volume: 51.0 cubic meters

　Tank contains gas only

　 Internal Temperature: 35?C

　Chemical Mass in Tank: 98.904 tons

　Circular Opening Diameter: 0.5 inches

　Release Duration: ALOHA limited the duration to 1 hour

　Max Average Sustained Release Rate: 2,800 pounds/min

　 (averaged over a minute or more)

　 Total Amount Released: 84,361 pounds

　 THREAT ZONE:

　 Model Run: Heavy Gas

　 Red

　 : 68 yards --- (40000 ppm = IDLH)