Explosion Flame and Pressure Characteristics of Nonstick Coal Dust and the Inhibition of Explosion Suppressants

Figure 1

Structure diagram of explosion-pressure testing equipment. (1) sealing cap; (2) outer side of mezzanine; (3) inside of mezzanine; (4) vacuum gauge; (5) outlet of water; (6) mechanical two-way valve; (7) base; (8) observation window; (9) vacuum hole; (10) dispersion valve; (11) storage tank; (12) pressure gauge; (13) pressure sensor; (14) inlet of water; (15) limit switch; (16) ignition rod.