Guide: China Quality News Network (Wang Hui) Recently, the Physical and Chemical Center of the Special Inspection Institute of Hulunbuir, Inner Mongolia, successfully completed the supervision and inspection of the chemical cleaning of two 92MW heating boilers in Yakeshi City Guorunfenghe Thermal Power Co., Ltd.

　　China Quality News Network (Wang Hui) Recently, the Physical and Chemical Center of the Special Inspection Institute of Hulunbuir, Inner Mongolia, successfully completed the supervision and inspection of the chemical cleaning of two 92MW heating boilers in Yakeshi Guorunfenghe Thermal Power Co., Ltd.

　　Before cleaning, the inspectors conducted a rigorous review of the cleaning plan provided by the cleaning unit, from pickling drug selection, cleaning system connection and isolation, pickling waste liquid treatment, cleaning process control, emergency handling of operational risks, and personnel cooperation and cooperation. Perform multi-angle and all-round control.

　　The connection of the temporary cleaning system and the setting position of the monitoring tube were checked on site, and rectification suggestions were put forward for the deficiencies, and the cleaning unit made corresponding rectifications in time. During the cleaning process, the inspectors strictly supervise the entire pickling process in accordance with the requirements of the standard to ensure that all indicators of the boiler pickling meet good standards and prevent the boiler from overwashing.

　　The pickling process lasts for more than ten hours from the beginning of the acid intake. The inspectors always stick to the cleaning site and strictly supervise the various indicators of the pickling. It is almost dawn when the pickling ends.

　　After cleaning, the corrosion indicator and monitoring tube were checked for cleaning. The inspectors successfully completed the chemical cleaning supervision and inspection work of the two heating boilers in two weeks, which was affirmed by the enterprise and the cleaning unit.

　　With the smooth completion of the boiler pickling work, a solid foundation has been laid for the next stage of the company's boiler water injection and unit operation, and effectively promoted the heating and heating in winter.