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“One Initiative”, Two Countries’ Friendship

        Release time:2019-07-30        bigmeansmall

Phan Thiet City is the capital city of Bình Thuận Province, Vietnam. Located in the south of 16°20’ N, it has a climate of year-round high temperature and rainfall and is the important fishing area of Vietnam. When the wet season comes, the surging waves and gurgling Fairy Stream in the woods will take you to a wonderland. During the dry season, the endless Mũi Né Desert paints the blue sky with golden lining. Only painters can create such a pure and beautiful world.

In this beautiful land, the Vinh Tan I Thermal Power Plant Project is proceeding in full swing. The project includes two 600 MW supercritical thermal generating units with main and auxiliary engines both made in China. With a total investment of 1.755 billion US dollars, it’s a key project for implementing the Belt and Road Initiative, and also a key project of capacity cooperation for the Five-Year Plan for the Development of China-Vietnam Economic and Trade Cooperation. In this project, an “electricity doctors” team of nearly 40 experts from State Grid Hunan Electric Power Research Institute is responsible for the commissioning test of the whole project, including subsystem commissioning, whole set commissioning, 168h reliable operation, special test, grid-connected test, deep commissioning, and APS commissioning of the two generating units. The team is the final gatekeepers for Chinese equipment before operation, and they are fully aware of their heavy burdens ever since arriving on site. To a great extent, they represent the strengths of Chinese technology and need to be especially responsible for the environment and stakeholders.

“Care for the Sky the Way We Care for Our Eyes”

When first working on the commissioning project of Vinh Tan I Thermal Power Plant , Dr. Che Yao, responsible for environmental protection, felt uneasy. The burden on his shoulder instantly became heavier when he realized that the project was located on the picturesque seashore. “We should fully tap the equipment’s potential and lower the impact on the environment as much as we can. No matter where we are, we should all care for the sky the way we care for our eyes,” said Dr. Che at the project department’s first environmental protection meeting. Wu Renjun, member of the environment commissioning team, still clearly remembers these remarks.

To turn words into action, a lot of work needs to be done. During the almost one-year commissioning period, Dr. Che led the professional environment commissioning team to meticulously check and adjust thousands of valves, hundreds of various facilities, and tens of thousands of sentences of logic for three times. Moreover, Dr. Che’s team organized four discussion sessions involving the EPC project department, the project contractor and plant operators, and finally determined the optimization and adjustment plan for ammonia injection and logic performance optimization. On the basis of the commissioning plan, they also formulated three elaborated measures: 1) Technical Planning for Emissions Meeting Environmental Indicator Standards, 2) Technical Planning for Wastewater Zero Emissions, and 3) Technical Planning for Water, Steam, and Oil Indicator Control in Initiating Processes.

Before the reliability (full load) trial of the project’s first generating unit, the emission concentration of smoke, NOX, and SO2 had met the design guarantee value (100 mg/Nm3、300 mg/Nm3、144 mg/Nm3). Seeing that the parameters were qualified, commissioning members breathed a sigh of relief and the equipment manufacturers also smiled. Dr. Che walked down from the 40-meter high SCR reactor, entered the control room, took off his safety helmet, vigorously brushed his sweaty hair, and said excitedly, “Fellows, just now I calibrated the parameter. I believe there’s still room to reduce the NOX emission concentration if we appropriately adjust the ammonia injection valve.” Always pursuing excellence and striving to go beyond current achievements, Dr. Che believes that meeting the environmental standard is just the starting point, from which further improvement and adjustment can be made. This is the biggest responsibility for environmentalists.

There are many more stories exemplifying the project team’s sense of responsibility for the environment. To reach zero emissions of wastewater of the power plant, the chemical team slept and ate at the construction site for almost one month. On November 6, 2015, Chinese President Xi Jinping, when delivering a speech entitled Work Together to Write a New Chapter of China-Vietnam Friendship at the Vietnam’s National Assembly, stressed that: “China and Vietnam are not only friendly neighbors sharing common mountains and rivers. More importantly, our two countries form a community of intertwined interests with shared goals and future. ” The “electricity doctors” team of State Grid Hunan Electric Power Research Institute regards constructing “environmentally-friendly and green power plants” as their responsibility to build “the community of shared goals and future.”

“Truly Demonstrate China’s Strength in Technology”

During the late evening of May 1, 2018, the “electricity doctors” team sat at the engineering station, staring at the control panel and pondering how to improve the generating unit’s level of intelligence and automation to eliminate dependence on human hands and brains. When commissioning started, project manager Lei Lin emphasized that “our job is to fully utilize the performance advantages of Chinese equipment. It’s the first "going global" of Hunan Electric Power Research Institute team, and it’s our responsibility to truly demonstrate China’s strength in technology.” The thermal automation system is the brain of a power plant, and the automation level largely determines the commissioning level. Dr. Chen Houtao, deputy project manager and thermal automation manager, bore great pressure since the beginning of the project. Finally the critical moment had come and the RB test for the first generating unit would soon begin.

At 11:00 p.m., the central control room was packed with Chinese and Vietnamese technicians looking intently at the screen. Dr. Chen Houtao and Wang Xihui sat solemnly. Leaders and technicians of all parties crowded around the monitoring screen and held their breath. “Pull off the forced draft fan of side A”, the commissioning commander Lei Lin ordered. “Forced draft fan of side A has been pulled off”, the operator answered with a loud and clear voice. Soon, alarms went off in the control room. The red alarm signal flashed on the screen and the operators carefully observed the equipment parameters. As time went by, the steep curve on the screen due to the RB test gradually became flat and stable. After 20 minutes, the generating unit reached a new balance point and thunderous applause rocked the central control room. “At 11:46 p.m. the RB test of the forced draft fan was completed; RB operation is normal”, Dr. Chen wrote these words in the commissioning notebook. Few people know how many sleepless nights he spent in order to write these simple words.

Dr. Chen’s story is just an epitome of how the “electricity doctors” team constantly pursues excellence. In order to implement the "going global" strategy of Chinese equipment, technology, standards, and culture, these “electricity doctors” tirelessly fulfill their duties as the leaders of electricity technology and as the disseminators of Chinese culture in their respective posts.

“We Take it as Our Responsibility to Cultivate Talents for Vietnam”

“When I finish the commissioning of a project, I feel like I’ve finished an art and it’s like nurturing my own kids”. Project manager Lei Lin often talked to others about his deep emotions towards completed projects. Devoted to the commissioning of the Vinh Tan I Thermal Power Plant Project, his emotion became much deeper. Since June 2017, he began to ask specialists to conduct various professional training sessions including “gas desulfurization system operation and commissioning”, “power receiving of auxiliary power commissioning training”, “handouts of supercritical boiler commissioning and operation”, and “steam engine commissioning training”, etc. The targeted training handouts took up 1GB of his PC’s disk space. “You should hammer every point home as much as you can. We take it as our responsility to cultivate talents for Vietnam”, project manager Lei told the commissioning specialists before every training session. Nearly 10 large training sessions were carried out and over 500 people received training.

Lê Gongde, originally from Binh Thuan Province, Vietnam, recently graduated from college and was selected to work in central control operation. He was a “green hand” for hands-on operation, raising most of the questions in every training session and taking the neatest notes. His curiosity and diligence impressed the “electricity doctors”, who invited him to observe and learn every test and operation and supervised him for simple operations. Before the first ignition of the boiler, the college graduate who did not even know the names of the equipment half a year ago, could now carry out simple operations under supervision and could accurately complete inspections of on-site equipment.

 

 

 

 

“Commission a project and develop a group of local experts.” This is the mission of State Grid Hunan Electric Power Research Institute for the Vinh Tan project. During the commissioning process, they used many methods to comprehensively train and educate Vietnamese technicians, including theory training, practice guidance, and technology publicity. Many Vietnamese technicians like Lê Gongde are quickly improving.

The Vinh Tan project is still ongoing and the “electricity doctors” of State Grid Hunan Electric Power Research Institute continue to work hard to improve the performance of Chinese equipment. There are many more such stories being written down and to be told, of “extensive consultation, joint contribution, and shared benefits”.

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