Water line demarcation test should be carried out when starting up and adjusting the subcritical drum boiler, to certify the zero benchmark of the local water gauge.
亚临界压力的汽包锅炉在启动调试时应进行水位标定试验，以确定就地水位表的基准零位。
2
In the heat transfer analysis, combining temperature on tire side tested by drumtest, a numerical inverse method is described for determining the heat convection boundary on tire side.
The influence of iron materials, alkalinity, fuel consumption and moisture on sinter strength were studied through the sintering cup test and the drum index test.