Boiler explosion principle

The mixture of flammable gas or dust and air reacts in a short time, and the high temperature, high pressure gas and shock wave generated exceed the bearing capacity of surrounding buildings, containers and pipelines, causing damage, resulting in personal and equipment accidents. For an explosion accident.

Generally speaking, there are three conditions for an explosion. One is the accumulation of fuel and combustion air; the other is the concentration of the mixture of fuel and air within the explosion limit; and the third is that there is sufficient ignition energy. The lower limit of explosion of natural gas is about 5%, the lower limit of explosion of pulverized coal is 20-60g/m3, and the pressure generated by explosion can reach 0.3-1.0MPa. In terms of boiler range, combustible materials refer to natural gas, coal gas, petroleum gas, oil mist and coal powder; in the event of an explosion, there are furnaces, guns, pulverized coal explosions and explosions in the milling system.

Paintball is an equipment intensive sport and in order to safely conduct a game, every player requires a marker with propellant to fire the paint, a mask to protect the eyes and face, paintballs, and a loader to hold them. To ensure safety off the playing field, a barrel sock or plug for the marker is also compulsory.  Paintball markers are powered by the expansion of gas stored in a compressed gas bottle.                                                                                                            
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