--- The primary air flow should be kept to be more than 30%.
--- The oil control valve should be manual controlled, and the outlet pressure of control valve should be more than 1.5MPa.
--- The air flow of oil burner should be manual controlled.
--- The oil burner should put into use separately (check on site).
--- Increase the primary air flow slowly and check the flame stability.
--- The material can be fed to the boiler only when the bed temperature is higher than 650℃ (this data is the recommended value, the exact one should be determined after the tests).
--- Check that the temperature difference between the upper and lower walls of drum should be less than 50℃.
--- According to the requirements, the limestone should be fed according to the ratio (and the SO2 value should be checked).