Macroscopic behaviors and chemical reaction mechanism for the inhibition of NH4H2PO4 powder in hybrid methane/coal dust deflagrations

M Yu, F Wang, H Li, F Zhai, J Wang, S Li - Fuel, 2024 - Elsevier
In this research, the inhibition effect and microscopic mechanism of NH 4 H 2 PO 4 on the
macroscopic deflagration characteristics of methane (9.5 vol%) mixed with three coal …

Influencing factors of coking coal dust explosion pressure and flame and effect of inert dust on its explosion suppression

T Liu, X Zhao, W Tian, R Jia, N Wang, Z Cai - Scientific Reports, 2022 - nature.com
Coking coal is a precious resource in the world and an important raw material for the
production of steel, but it is easy to cause explosion accidents in the process of coking coal …

Suppression of methane/coal dust deflagration by Al (OH) 3 based on flame propagation characteristics and thermal decomposition

X Chen, X Hou, Q Zhao, Q Li, Y Li, C Huang, H Dai - Fuel, 2022 - Elsevier
In order to investigate the suppression effect of Al (OH) 3 on the flame characteristics of
methane/coal dust deflagration. The experiments of methane/coal dust deflagration under Al …

Experimental and numerical study on suppressing coal dust deflagration flame with NaHCO3 and MPP

Y Zhang, Y Zhang, J Shi, M Cao, X Wei, L Shi, X Wang - Fuel, 2024 - Elsevier
In this paper, the flame propagation behavior and free radical reaction mechanism of two
powder explosive suppressants, sodium bicarbonate (NaHCO 3) and polyphosphate …

Study on the suppression mechanism of (NH4) 2CO3 and SiC for polyethylene deflagration based on flame propagation and experimental analysis

Y Zhang, Z Pan, J Yang, J Chen, K Chen, K Yan… - Powder Technology, 2022 - Elsevier
The polyethylene (PE) industry is in a stage of rapid development. However, PE dust floating
in the air is frequently associated with unexpected explosions. To find a proper way of …

Inerting mechanism of magnesium carbonate hydroxide pentahydrate for coal dust deflagration under coal gasification

H Yin, H Dai, G Liang - Powder Technology, 2022 - Elsevier
To reduce the risk of coal dust deflagration caused by the leakage in the coal gasification
process, a semi-closed vertical combustion tube was built with a high speed camera and …

Flame inhibition of coal dust with different particle sizes by Al (H2PO2) 3 and Al2O3

H Yin, H Dai - Fuel, 2022 - Elsevier
To effectively mitigate coal dust/syngas deflagration accidents caused by leakage in a coal
gasification scenario, inhibition experiments of flame propagation were conducted in a …

Ignition temperature and explosion pressure of suspended coal dust cloud under different conditions and suppression characteristics

T Liu, X Mu, X Wu, R Jia, J Xie, Z Gao - Scientific reports, 2023 - nature.com
The ignition and explosion processes of suspended coal dust clouds and their suppression
characteristics are important aspects of dust prevention and control. To understand the …

Suppression mechanisms of ammonium polyphosphate on methane/coal dust explosion: Based on flame characteristics, thermal pyrolysis and explosion residues

Q Zhao, X Chen, Y Li, H Dai - Fuel, 2022 - Elsevier
To explore the suppression mechanisms of ammonium polyphosphate (APP) on
methane/coal dust explosion flame, the experiment tests of methane/coal dust explosion …

Analysis of the effectiveness of Mg (OH) 2/NH4H2PO4 composite dry powder in suppressing methane explosion

Q Wang, X Jiang, J Deng, Z Luo, Q Wang, Z Shen… - Powder Technology, 2023 - Elsevier
To improve the suppression effect of NH 4 H 2 PO 4 powder on methane explosion, Mg (OH)
2/NH 4 H 2 PO 4 composite dry powder (CDP) with different quality ratios was prepared, and …