Gusar B. Improvement of classes D, A, B fire extinguishing technology

The work is devoted to the solution of the actual scientific and technical problem - improvement of class D (magnesium, aluminum and their alloys), A and B fire extinguishing technology through development the dry chemical powder of special purpose formulation together with the method of combined fire extinguishing of classes D, A, B. This method means using fire-extinguishing powder and foam of the increased stability. The relevance of the topic of the dissertation and the importance of improvement of classes D, A and B fire extinguishing technology have been substantiated in the work. A dry chemical powder formulation for extinguishing classes A, B, D and and electrical installations under voltage has been developed. Laboratory researches of dry chemical powders of various compounding consisting of sodium chloride, ground metallurgical slag, ammophos and aerosil have been carried out and extinguishing parameters have been defined. The optimal ratio of dry chemical powder components, which provide the optimal value of the supply intensity, has been established.