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Figure 1

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

Figure 1

Structure of experimental apparatus drawn with CAD software 2018 version. (URL link: https://www.autodesk.com.cn/) 1 sealing cap; 2 outer side of mezzanine; 3 inside of mezzanine; 4 vacuum gauge; 5 outlet of circulating water; 6 mechanical two-way valve; 7 base; 8 observation window; 9 vacuum hole; 10 dispersion valve; 11 dust storage tank; 12 pressure gauge; 13 pressure sensor; 14 inlet of circulating water; 15 safety limit switch; 16 ignition rod.

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