The article beals with design principle and calculating method for Heat-pipe boilers. (gas to steam heat exchanger) Meanwhile, It lists design data and experomental part data of a test boiler.

Glass cotton USES: air conditioning heat preservation, duct insulation, steel structure heat preservation, boiler heat preservation, precipitator, steam pipe heat preservation, etc.

It is presented that the optimal scheme of the structure parameters of the heat pipe waste heat boiler and the step of the optimal algorithm is discussed.