Brief introduction: The calculated through oxygen concentration of the products of combustion air oxygen consumption as well as the product of combustion heat release rate, heat release rate of material as well as the most important parameters, combustion properties are accurately measure in the process of combustion heat release rate, is of extreme importance to predict fire hazard and fire prevention and treatment. Technical parameters: Radiation cone: heating power 5 kw, Radiation intensity: 100 kw/m2, equipped with three thermocouple temperature measurement. Radiation shielding layer: non-combustible material, total thickness no more than 12 mm; Radiation control: radiation control system can properly adjust, can keep the heat radiation cone thermocouple temperature control in the preset value plus or minus 10 ℃; Weighing equipment: for imported high-precision electronic balance, weighing 500 g, 0.01 g resolution; Sample mounting bracket: stainless steel, as exposure to a square plate, the upper opening 106 mmx106mm, depth of 25 mm, thickness 2.4 mm; Positioning frame: the thickness of 1.9 mm stainless steel box, box inside edge of the size 111 mm, the height of 54 mm, is used to test the opening of 94 mmx94mm Exhaust system: by centrifugal fan, collect smoke cover, fan inlet and exhaust pipe and an orifice meter Gas sampling device: sampling pump, dust filter, in addition to cold traps, drain the by-pass coefficient, water filter, CO2 filter. Ignition: adopt external ignition spark ignition. Ignition timer: depending on the value of resolution: 0.1 s, timing error: 1 s/n
Cone calorimeter is the most ideal test instrument to characterize the combustion performance of materials. Its test environment is close to the real combustion environment of fire materials. The obtained test data can evaluate the combustion behavior of materials in fire. Brief introduction:
The calculated through oxygen concentration of the products of combustion air oxygen consumption as well as the product of combustion heat release rate, heat release rate of material as well as the most important parameters, combustion properties are accurately measure in the process of combustion heat release rate, is of extreme importance to predict fire hazard and fire prevention and treatment.
