Overall planning of the project, accurate efforts, see the actual results.
? Company leaders attach great importance to this overhaul. After the overhaul began, Liu Daozhong, Party Secretary of Electromechanical Instrument Company, visited the front line to guide the work. The maintenance project is carefully planned, arranged, supervised and defined according to the actual situation, focusing on three aspects: overcoming difficulties, creating efficiency and cost optimization. Each operation team cooperated with Qi Xin to ensure that some maintenance projects were completed ahead of schedule.
The team members of the project department organize a meeting every afternoon to communicate and arrange the existing problems, work progress and contents that need to be coordinated, and gather the strength of all staff to ensure that all work is carried out in an orderly manner. In view of the key points and major projects of this overhaul, such as 14 KSB valve replacement, medium repair of No.3 generator set, overhaul of turbine utility system, overhaul of four boilers, installation of new flowmeters for thermoelectric devices, installation of new denitration catalysts, etc., the project department constantly optimizes the scheme and makes every effort to overcome difficulties to ensure foolproof.
? Safety first ensures stability and management is gridded.
? Due to many cross operations and complex site environment, most maintenance personnel are temporarily transferred from other projects and are unfamiliar with the overall working environment of the project, so the safety management of major maintenance has become the top priority. The project department has set up a safety grid management team, and each employee has gone through three prescribed actions: three-level safety education before admission, safety notification before operation and safety supervision by special personnel during operation to ensure safe operation. On-site safety management is continuously monitored by the full-time safety officer of the safety officer overtime team of the project department for 24 hours, and the sense of responsibility of employees is comprehensively strengthened from strict to detailed, so as to control the overall safety of maintenance projects safely, high-quality and efficiently.
? From June 20th to 23rd, at the critical stage of maintenance, Song Tao, deputy director of the company's safety management department, and David Shen, section chief, went to the maintenance project for a major safety production maintenance. They went deep into the site, conducted a comprehensive inspection and risk assessment of the maintenance site through inspection, observation and inquiry, and made a pulse inquiry for the safety management of the project department, which greatly promoted the safe and stable operation of the maintenance.
? Quality-oriented, solid foundation, full supervision of key projects
? In this overhaul, the valve replacement project of 14 KSB is a key difficulty, which belongs to the key project of Zhongtian Hechuang Chemical Company. The headquarters of the group company is very concerned about this project, and Sui Xianbo, the safety director of Great Wall Energy and Chemical Industry, visited the job site for inspection and guidance many times. Before the overhaul, the project department made several deductions according to the plan. According to the plan, the project needs to complete the removal of the old valve and the welding of the new valve within the overhaul period of 14 days. The installation process of the valve is complicated, the overall working space is narrow, and the hoisting is very difficult. Moreover, the welding pipes are made of high-temperature and high-pressure alloy steel and thick-walled pipes with a diameter of 426 mm * 45 mm, which requires high welding quality and must be successful at one time. There is no repair time, so the welding process is very important. The leaders of the company attached great importance to it, and the chief engineer Nan Yalin specially appointed the welding expert of the company and the deputy director of the quality management department, Comrade Zhou Xiule, to guide the valve replacement work at the overhaul site of Ordos maintenance project. During the period, chief engineer Nan Yalin called several times to inquire about the progress of the work. Comrade Zhou Xiule stuck to the project 14 days, always ran in the front line, strictly controlled every link in the welding process, and was meticulous in every detail, and occasionally went to the site to guide and correct some welders. After more than ten days of continuous operation and hard work, on June 26th, all welding work and joint inspection of 14 KSB valve replacement project were completed, and the task was completed two days ahead of schedule. The qualified rate of joint inspection is 99.2%, which has been highly recognized by the owners and supervisors.
? Party building leads the implementation of insurance, and everyone works together.
? The overhaul time is tight and the task is heavy. Mechanical and electrical instrument company dispatched elite soldiers from all departments to fully support the maintenance work. The Party branch of Erdos Maintenance Project established party member Commando and Party Group. In the process of overhaul, party member cadres and other backbone forces always rushed to the front line, giving full play to party member's exemplary and leading role. In this good atmosphere, all professionals unite, work hard and forge ahead, forming a strong joint force.
? Wang Qilong, a fitter technician and deputy director of the debugging center, personally led several young apprentices to complete the overhaul of all auxiliary machines of No.3 steam turbine, the disintegration overhaul of condensate pump and vacuum pump, and the overhaul of the rotor of electric feed water pump. Zhao Xueyuan, electrical technician and deputy director of the debugging center, fully docked with the owner on the electrical debugging scheme. According to the requirements of the owner, there are strict restrictions on the power transmission and reception sections and time points of the substation, and each link may affect the maintenance progress of the whole device. He led the electrical debugging personnel to complete the cleaning pre-test of 37 cabinets in the high and low voltage power distribution room of thermoelectric devices on time and as planned, and the motor inspection and bearing replacement of various fans on site. The instrument major has completed the field calibration of 420 interlocking instruments, the debugging of 1 194 valves and the installation of No.3 steam turbine shafting instruments. With the strong support of the company headquarters and the leaders of the electromechanical instrument company, all the project staff worked overtime and went all out to complete 83 maintenance projects with high quality and efficiency, including the valve replacement project of 14 KSB, the overhaul of No.3 generator set, the overhaul of turbine utility system, the overhaul of four boilers, the installation of new flowmeters for thermoelectric devices and the installation of new catalysts for denitrification.
? Next, the Ordos Maintenance Project Department will continue to do a good job in the follow-up work of overhaul, ensure that all machines and furnaces start smoothly step by step, and achieve the maintenance goal of "zero safety and environmental accidents, zero maintenance quality accidents, and ensuring a successful start-up".