imprint｜weaving a power grid with iron-blooded loyalty and determination to stand up the "hard backbone" of a great country!
2024-10-05
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since the founding of new china, central enterprises have always played a key role in economic and social development, playing the role of "backbone" and "ballast stone".through the dust and smoke of the years, it is engraved in the national memory.on the occasion of celebrating the 75th anniversary of the founding of the people's republic of china, the first ai micro-short series "seal" produced by the state-owned assets supervision and administration commission of the state council, cctv network, and 14 central enterprises was officially launched on october 1. "new", cctv.com and other platforms continue to broadcast,it tells the story of the builders of central enterprises who shine with wisdom, show their responsibility, and are soaked in blood and sweat.today i bring you the third article,《mark｜the iron-blooded and loyal people weave the power grid to stand up the "hard backbone" of the great country! 》。
turning over the mark of history, a yellowed stamp lay quietly on the table, recording the history of the completion of china's first independently designed and constructed 220 kv high-voltage transmission line - the songdong-li line. on the stamp, a winding energy and power line crosses mountains, lakes and seas, seeming to tell the story of the builders in those years who were not afraid of hardships and courageously moved forward.in 1955, the ministry of posts and telecommunications issued special stamp number 12 to commemorate the completion of the songdong-li line.in july 1952, the northeast design branch of the northeast electric power administration (the predecessor of china energy engineering northeast institute) received an arduous task: to build a new railway from the songhua river, the largest in asia at the time, within one year and nine months. starting from the hydropower station, passing through dongling, it reaches the 220 kv high-voltage transmission line in lishizhai, delivering a steady stream of power to the country's industrial construction.however, the challenges faced by the songdong-li transmission line (codenamed "project 506") far exceed the expectations of the young engineers of the northeast research institute. during the design stage, they were divided into four teams and conducted surveys in sections. however, equipment standards in different countries were not uniform, resulting in the drawings not being able to be spliced together. engineers spent eight months and conducted three surveys along the line, but the project still ran into trouble. in desperation, they realized they had to solve the standardization problem first. therefore, starting from the unified design guidelines, all employees were trained intensively, and finally a full line retest was conducted in april 1953, and all more than 900 tower positions were accurately located.technical key points learned by construction personnel of songdong li power transmission projectin october 1953, after all construction drawings were completed, construction work officially began. it is winter in the northeast, with temperatures dropping sharply, wind and snow blowing, and the natural environment being harsh. one worker recalled: "the construction was in winter, and there was almost no mechanized equipment. everything from digging holes, laying foundations to laying out wires was done manually. when laying out wires, they either had to be carried by people or pulled by oxen, and the cement was all done manually." stir..." the workers braved the biting cold wind, their hands and feet were numb from the cold in the low temperature of dozens of degrees below zero, and their faces were covered with white frost. they took a few bites of frozen steamed buns when they were hungry, and drank ice cubes when they were thirsty. melt water in.in order to catch up with the progress, the workers worked on the tower for at least eight hours a day, and did not stop until it was completely dark. they understand that they are "grabbing time" in order to deliver power to the industrial bases that are in urgent need of development faster. "if we work harder and pay more, we can send the power from the fengman hydropower station out earlier. electricity is the key to our industrial construction." the forerunner."the first 220 kv transmission line independently designed and constructed in china - songdong li power transmission projectafter countless days and nights of hard work, the first 220-kilovolt high-voltage transmission line in the history of new china was completed on january 23, 1954, a full 67 days ahead of march 31 as required by the central government. electric current flows along the line towers through mountains and rivers, lighting up distant cities, industrial zones are brightly lit, and the construction of liaoning's heavy industry base is in full swing.the successful construction of the songdong-li power transmission line not only marked china's successful start in high-voltage power transmission technology, but also solved the power shortage problem in the northeast and even the country at that time. more importantly, it has trained a large number of professional and technical talents in surveying, electrical, pole and tower, communication interference and budgeting for china, laying the foundation for china's power industry.a stamp, a piece of history, a spirit. the power lines on the stamps not only bear witness to the growth of china's power industry, but also symbolize a pioneering spirit that is not afraid of difficulties and moves forward courageously. no matter how the times change, those who have devoted their efforts and sweat to the construction of the country will be remembered by history."506" project commemorative medal (left); changchun city sixth model worker conference commemorative medal (right)today, china's power grid is developing rapidly and has become a prairie fire. china energy construction has completed more than 90% of my country's special and ultra-high voltage power transmission and transformation project designs and a series of major projects, from the songdong li line to the gezhouba water conservancy project, qinshan nuclear power station, the three gorges project, and later ultra-supercritical coal-fired power generation and uhv power transmission and transformation technology, china’s power industry has experienced a development process from scratch, from small to large. generation after generation of china energy construction people have inherited and carried forward the fighting spirit of their predecessors and made breakthroughs in key technologies one after another. china energy construction has also become a world-renowned energy construction enterprise, providing the world with many successful cases:in 1970, the gezhouba water conservancy project, the first dam on the yangtze river designed and built by china itself, broke ground;in 1985, the first phase of qinshan nuclear power plant, china's first independently designed and constructed 300-mw pressurized water reactor nuclear power plant, started;in 2005, unit 1 of zhejiang yuhuan power plant, my country’s first million-kilowatt ultra-supercritical coal-fired power plant, was put into operation;in 2009, the world's first 1,000 kv uhv ac power transmission and transformation project, the southeast shanxi-nanyang-jingmen transmission project, was put into commercial operation;in 2023, the ulanqab new generation grid friendly green power station demonstration project, the country's first "source grid load storage" integrated demonstration project, will be connected to the grid;in 2024, my country's first high-altitude wind energy power generation project, anhui jixi project, will be put into operation;in 2024, the hubei yingcheng project, the world's first 300 mw compressed air energy storage power station, will be put into operation;"506" project drawing bookthe completion of the "506" project has put our country at a high starting point in power grid design. it is an epitome of the booming development of china's power industry and has also stood up as the "hard backbone" for china to climb mountains and seas! the spirit of our ancestors who wrote legends on high-voltage lines and weaved the power grid with tenacity and tenacity has been passed down to this day. since the 18th national congress of the communist party of china, china has entered a new era and the period of realizing the chinese dream of the great rejuvenation of the chinese nation. as an industry leader, from power design to energy construction, from the first in china to the best in the world, china energy has become a global leader. a particularly shining business card among energy companies.standing at the new starting point of the 75th anniversary of the founding of the people's republic of china, china energy construction will continue to carry forward the spirit of pioneering and innovation, take scientific and technological progress as the guide, and take energy construction as its mission to empower a beautiful china and build a better world together! in the future, we will use wisdom as our pen and clean energy as our ink to pursue excellence and climb new heights. focusing on the "four main responsibilities and main businesses" of new energy, new infrastructure, new industries and new materials, we will fully promote innovation-driven, green the "four major transformations" of low carbon, digital intelligence, and shared integration write a new chapter in china's power industry, injecting "energy-building power" into promoting the high-quality development of my country's energy industry and realizing the chinese dream of the great rejuvenation of the chinese nation!(click on the image to get the full text)editor-in-chief丨li hongyingexecutive editor丨liu haicao zhang haoran
