As a special type of furnace,the natural gas heater is one of the low-efficiency energy consumption equipments adopting the indirect heating by the heat-transfer medium.

Study on removal of mercury in gold-loaded carbon under indirect heating and by nitrogen sweeping method;

Energy saving analysis of continuous desiliconisation technology by indirect heating;

The article gives us a method to improve the quality of steam;such as reducing and disusing the backwater of sugar producing in producing steam,adoping indirect heating method,and disaffiliating sugar producing.