Ten Years·Transformation丨China’s “Heart” that drives the energy artery

Behind these exciting super projects that benefit the people is the rapid development of my country's equipment industry, which benefits from the "large-scale air separation unit", "large-scale ethylene three-machine" and "large-scale The successful research and development of a large number of "powerful equipment" in the general machinery field such as "long-distance pipeline compressors", "large pipeline ball valves", "nuclear power key pumps and valves", "key equipment for large LNG receiving stations", etc., "Ten Years·Transformation" special topic " The "General Equipment Power Behind National Super Projects" series will take you into the "big country's important equipment" of general machinery and learn about the extraordinary process of localization of this batch of "national important equipment"!

It runs from Xinjiang in the west to Shanghai in the east, across China, and is a majestic mountain and river;

It crosses the desert, crosses the Taihang River, crosses the Yellow River, and crosses the Yangtze River. , a mighty eight-thousand-mile road, benefiting dozens of provinces and cities;

It is the national energy supply line known as the national super project - the West-East Gas Pipeline.

Large-scale long-distance pipeline compressor units are the "heart" equipment of the West-East Gas Pipeline. From the beginning of the construction of the West-East Gas Pipeline Project, domestic equipment manufacturing companies have been waiting for opportunities, hoping that Can use China's "heart" to drive the lifeblood of the country.

——Natural gas The process of localization of long-distance pipeline compressors

Since the 18th National Congress of the Communist Party of China, the construction of the West-East Gas Pipeline has further accelerated. In 2012, the construction of the Third West-East Gas Pipeline Project was started, and the engineering technology independence and the localization of technical equipment were fully realized. After completion, it will be connected to the original first and second lines, realizing the leap from pipeline gas transmission to pipeline network gas transmission. development.

Since its construction, the West-East Gas Pipeline System has been composed of three main lines, Line 1, Line 2 and Line 3 of the West-East Gas Pipeline, and their supporting tie lines, with a total length of more than 20,000 kilometers. It is responsible for more than 50% of the natural gas transportation tasks in the national trunk pipeline network. This super project bridges the gap between natural gas production areas and target markets, and connects natural gas pipelines in different regions across the country into a huge interconnected network, forming the energy artery of "Gasified China".

On these tens of thousands of kilometers of long-distance natural gas pipelines, the flow of liquefied natural gas in the pipelines depends on the power provided by compressors. A pressurizing station needs to be built every 200 kilometers. It is pressurized by a compressor, so the compressor is also called the "heart" of the natural gas pipeline. It is the core equipment to ensure the safe and reliable operation of the energy artery of the natural gas pipeline network. In the early construction of the West-East Gas Pipeline, all key equipment, including compressors, for the West First Line project relied on imports, and almost all of the West Second Line project relied on imports. However, the only foreign companies that can provide pipeline gas transmission compressors are GE, Rolls-Royce and Siemens. .

You can buy the products you need from abroad, but you can never buy the core technology you want. Core technology, spare parts and maintenance services are all controlled by others - realizing large-scale long-distance natural gas pipelines The localization of compressor units is the key to solving the "stuck" problem that restricts the development of my country's major equipment and national energy security.

In order to break this situation, the National Development and Reform Commission, the National Energy Administration and other departments decided to rely on the West-East Gas Transmission Project and adopt a joint public relations model of "government, industry, academia, research and application" to accelerate the promotion of large-scale natural gas The key equipment for long-distance pipelines is localized, with the top priority being the localization of compressors for long-distance pipelines.

"The localization of China's gas pipelines should not start with the West-East Gas Transmission. In the 1970s, there was already the concept of 'Gas out of Sichuan'. In order to cooperate with "Sichuan gas comes out of Sichuan", my country's equipment manufacturing enterprises began to develop pipeline ball valves, compressors, and gas starters to drive pipeline compressors. Due to various reasons, the project was eventually terminated." Former chief engineer of China Machinery Industry Federation and China General Machinery. Sui Yongbin, honorary president of the Industrial Association, recalled, "The issue of localization of key equipment for long-distance pipelines has troubled us for 40 years." The country's decision to launch the "West-East Gas Transmission" project has once again brought opportunities to Chinese equipment manufacturing companies, using Sui Yongbin In the words ofSince the beginning of the construction of the first-line project, we have been waiting for opportunities, hoping that the key equipment of China's long-distance natural gas pipelines can use domestic equipment. "

In April 2009, the National Energy Administration held a meeting on "Localization of Key Equipment for Long-distance Natural Gas Pipelines" in Shenyang, and determined to develop a "20MW electric-driven compressor unit" for the West Second Line Project. The localization development work of "30MW fuel-driven compressor unit" and "high-pressure large-diameter fully welded ball valve";

On July 30, 2009, the National Energy Administration hosted the "Natural Gas Long-term Development Conference" in Beijing "Seminar on the Implementation Plan for the Localization of Key Equipment for Pipeline Equipment" determined Shenyang Blower Group Co., Ltd. as the main trial manufacturer of electric drive units, and discussed and finalized key time nodes;

　November 23, 2009 On a landmark day - Diaoyutai State Guesthouse in Beijing, under the auspices of the National Energy Administration, the "Contract for the Development of Localized 20MW Electric-driven Compressor Units for Key Equipment of Long-distance Natural Gas Pipelines" was officially signed.

In November 2011, the 20MW electric drive compressor unit was successfully developed in Shengu, and my country achieved a "zero" breakthrough in the localization of pipeline compressor units. At 1:30 on November 15, this "National No. 1" set was launched. "The 20-megawatt domestically produced electric-driven compressor unit successfully completed a 72-hour industrial test under load at Gaoling Station. It once again proved that China's "heart" beats very healthily and powerfully.

In more than three years, the joint development team went through thousands of days and nights of hard work and finally completed the design and manufacturing of this major project.

In December 2011. On the 6th, the equipment officially rolled off the production line. The Energy Bureau of the National Development and Reform Commission held a grand ceremony in the Shengu Assembly and Test Workshop of the "Reporting Meeting on Localization Results of Key Equipment for Long-distance Natural Gas Pipelines and the Signing of the Contract and the Delivery of the First Set of 20MW Electric Drive Compressor Units", which was nothing less than a grand ceremony. A grand ribbon-cutting ceremony created by China. In 2012, the first pipeline compressor independently developed by Shengu was installed as a backup machine at the Gaoling Pressurization Station of the West Second Line. A dramatic scene will happen later: the foreign compressor as the main engine cannot be started after maintenance, and the backup drum sinking unit has to be started urgently. However, the sinking drum unit is successfully started at the first time - this unexpected event.Turn Shengu's backup machine into the main machine instantly.

After that, the National Energy Administration organized a national appraisal in Gaoling, and Shengu’s pipeline compressor received three evaluations: First, the performance all met the design requirements, and after comparison with foreign units , is truly world-class; secondly, it has the fastest start-up speed and can be successfully started in one go; thirdly, the noise is much lower than that of foreign units, which is also the consistent advantage of Shengu compressors.

The Gaoling branch compressed air station consists of 4 sets of electric drive compressor units. It is my country's first 20 MW electric drive compressor unit operating test station and model station. This project started in August 2011 and was completed and put into production in May 2013.

The self-sinking drum long-distance pipeline compressor became an instant success at the Gaoling Pressurization Station in the later stage of the "West-East Gas Pipeline" second line project. It competed with foreign products on the same stage, and the third west line realized all localization. . In the western section of the Third West-East Gas Pipeline, 12 sets of electric-driven compressor units are used in 4 stations, and 3 sets of gas-driven compressor units are used in 1 station. In the eastern section, all compressor units are supplied domestically. Based on this calculation, the third line of the West-East Gas Pipeline plans to use 61 sets of electric-driven compressor units, which alone can save 366 million yuan in investment.

On December 28, 2021, the annual gas transmission volume of the West-East Gas Pipeline System exceeded 100 billion cubic meters that day. An important reason for this achievement is that in 2018, the country implemented a natural gas pipeline interconnection and supply guarantee project, and Shengu Group provided 14 sets of compressors for the entire project, all of which were put into production by January 2019. In December 2020, the second energy artery, the East Route Project of the China-Russia Natural Gas Pipeline (Changling-Yongqing), was successfully put into operation. Shengu provided the design, manufacturing and production of 15 sets of compressor units at 5 stations for this super project. On-site service.

After years of construction, the construction of the West-East Gas Pipeline Project and the China-Russia Natural Gas Pipeline Project has not only promoted the formation of a new interconnected pattern of my country's natural gas pipeline network, but also become a catalyst for the development of my country's energy industry. Structural adjustment, ecological environment improvement, and energy arteries that benefit the lives of people along the route have opened a new era for China to utilize clean energy and promote its dual-carbon strategy.

Among them, the localization of equipment is not only an outstanding manifestation of national self-confidence, but also the only way for the construction of national super projects to be independent and controllable. Whether during the vigorous construction period or the more than ten years since it was put into operation, the West-East Gas Pipeline Project has promoted my country's long-distance pipeline equipment technology to the world's advanced level. Relying on the perseverance of the equipment personnel and relying on innovation and self-reliance, the West-East Gas Pipeline Project has continued to expand for tens of thousands of years. The two energy arteries of the West-East Gas Pipeline and the China-Russia long-distance pipeline here are shining with the power of general mechanical equipment - currently,High-pressure large-diameter fully welded ball valves and long-distance pipeline compressor units have all been made in China. Shengu's natural gas long-distance pipeline compressors have also achieved a leap from "chaser" to "leader".