Citation

Wang Y, Li Z, Zhang Y, Wang Y, Yang J, Ji W. China Saf. Sci. J. 2022; 32(5): 48-54.

Copyright

(Copyright © 2022, China Occupational Safety and Health Association, Publisher Gai Xue bao)

DOI

10.16265/j.cnki.issn1003-3033.2022.05.1564

PMID

unavailable

Abstract

In order to effectively reduce harms caused by ethylene explosion, three different hydrogen phosphates, namely ammonium dihydrogen phosphate, potassium dihydrogen phosphate, and calcium dihydrogen phosphate, were selected, and maximum explosion pressure as well as its rise rate and peak value reach time of ethylene under different concentration of hydrogen phosphates were tested on a 20 L spherical explosion test system. Then, inhibitory characteristics and mechanism of hydrogen phosphates on ethylene explosion were analyzed based on the change features of above mentioned parameters along with concentration variance. The results show that all three kinds of hydrogen phosphates have a certain inhibitory effect on ethylene explosion, and their optimal critical concentration for suppression is all 0. 4 g/L, which means the suppression effect will be weakened either higher or lower than the value. When at same mass concentration, potassium dihydrogen phosphate has the best suppression effect, followed by calcium dihydrogen phosphate, and then ammonium dihydrogen phosphate. © PHYSOR 2022 China Safety Science Journal. All rights reserved.

Language: zh