The product has obvious energy-saving effect, and it is free of pollution. It has won "first prize for technological invention in Yunnan Province" issued by Yunnan Provincial Government; "second prize for technological invention of China" issued by the State Council, etc. It has features as follows: 
 
1. It can ensure combustion of phosphorus, and generate full amount of P2O5 smoke  
2. The effective heat utilization has been greatly increased.