Abstract: In order to study the influence of factors such as layout and blasting port location on the fire extinguishing effect of the new fire extinguishing product fire extinguishing tube in the actual application process, the static operation temperature of the fire extinguishing tube with the pre-stored pressure of 0.8 MPa and 1.2 MPa respectively was measured by the test method specified in the relevant standards. The residual rate and fire extinguishing conditions of HFC227eea fire extinguishing tube and FK-5-1-12 fire extinguishing tube were compared and analyzed by fire entity test. The results show that the higher the pre-stored pressure, the earlier the blasting action and the lower the static temperature. The influence of the layout and blasting port location on the residual situation of the HFC227eea fire extinguishing tube is less than that of the FK-5-1-12 fire extinguishing tube; The influence of layout and blasting port location on the fire extinguishing effect of HFC227eea fire extinguishing tube is also smaller than that of FK-5-1-12 fire extinguishing tube.

Key words: layout, blasting port location, static operating temperature, spray, fire extinguishing effect