Based on the visual experimental apparatus built in the previous work (Cao et al. in Fuel 334:126658, 2023), the experiment on the effect of wire mesh structure on syngas explosion inhibition was conducted. The detailed schematic diagram is shown in chapter one. The main difference from the previous apparatus was that a wire mesh flame resistance system was installed inside the explosion vessel (910 mm × 150 mm × 150 mm) and fixed by four support rods (d = 5 mm). The wire mesh flame resistance system was composed of the multi-layer wire mesh and two support plates (δ = 3 mm). The wire mesh with 100 mm × 100 mm effective flame resistance area was placed inside the two support plates and was compressed by the bolt connection method. The wire mesh flame resistance system was installed at a height of 650 mm (the middle of two pressure transmitters and thermocouples) distance from the bottom end of the vessel. Through previous researches, the height could ensure the acceleration propagation and full development of syngas explosion flame.