The two-phase flow desuperheater is a new generation of energy-saving and environmentally friendly product developed based on the "two-phase flow theory" and "fluid control theory." During the operation of thermal power units, to enhance the efficiency of the steam system and ensure the safe and economic operation of steam equipment, it is crucial to maximize the quality of the steam. However, condensate and air are often present in actual steam systems, affecting both efficiency and safety. We should strive to continuously and promptly remove condensate and air (including other non-condensable gases) from the steam, tapping into the potential of existing equipment to achieve energy-saving and efficiency gains.