Experimental device for colloidal material fire extinguishing effect analysis

The utility model discloses an experimental device for analyzing the fire extinguishing effect of a colloidal material, which relates to the field of colloidal fire extinguishing and comprises a colloidal material injection device, a coal heating tank, a testing device and an exhaust fan, an air inlet is formed in the bottom of the coal heating tank, an air outlet and a colloid injection port areformed in the top of the coal heating tank, and a heating device is arranged in the coal heating tank; the colloid material injection device is communicated with the colloid injection port; the air outlet is connected with an air outlet pipe, and a testing device and an exhaust fan are sequentially arranged in the air outlet pipe in the smoke flowing direction. The experimental device can be usedfor respectively testing the fire extinguishing effect of the colloid material on coal heated by spontaneous combustion and the fire extinguishing effect of the colloid material on coal heated by an external heat source, and t