On the Shaanbei Plateau, where tower cranes stand tall, a hundred meter steel giant rises from the ground. On August 18, 2026, with the final steel structure accurately positioned, the No.1 gasification framework of the coal gasification unit of Shaanxi Coal Yulin Chemical Phase II Phase I project was announced to be capped. From excavation of the foundation pit to steel structure topping out, this core device with a total height of 102 meters and a steel structure section of 91 meters was advanced by 72 days compared to the original plan.

This is not an ordinary topping out. It means that this super project, with a total investment of over 60 billion yuan and an annual conversion of over 30 million tons of coal in the future, has officially entered a new stage of equipment hoisting and process installation.

Accelerate the development of projects worth billions of yuan

The total investment of Shaanxi Coal Yulin Chemical Phase II project is 176 billion yuan, which is the largest single chemical project approved by the Ministry of Ecology and Environment in one go since its establishment. After completion, it is expected that the annual output value will exceed 100 billion yuan. The current Phase II Phase I project, with an investment of 61.955 billion yuan, is the first move of the entire Phase II project.

The overall project is centered around coal quality utilization technology, integrating coal pyrolysis, coal tar hydrogenation, coke gasification, and downstream deep processing technologies to innovate the coal to aromatics technology path. By deeply coupling aromatic hydrocarbons and olefins to extend the industrial chain, a total of 45 high-end chemical products can be produced in four categories: high value-added materials, battery electrolyte solvents, degradable materials, and special oil products. From a piece of coal to high-end new materials, the added value of this industry chain can increase several times or even more than ten times.

Green and efficiency breakthroughs

Beyond its scale, another hallmark of this super factory is its green color. The project will simultaneously apply green hydrogen technology and 3GW new energy power generation to establish a demonstration model of integrated chemical thermal and electric power generation. Its energy consumption and carbon emission indicators are both at the leading level in the industry, reducing carbon emissions by more than 30% compared to similar projects.

This carbon reduction rate did not come out of thin air. The technology of coal classification and utilization itself is more efficient than traditional coal chemical pathways - first pyrolyzing and extracting coal tar, and then gasifying semi coke to achieve the graded and graded cascade utilization of coal. The significant reduction of carbon emissions is a natural result of the combination of green hydrogen substitution and direct power supply from new energy sources. In the current situation where the dual carbon target is forcing the transformation of the coal chemical industry, this demonstration significance is particularly prominent.

The Battle Behind the Hundred Meter Framework

The No.1 gasification frame is the core load-bearing and process equipment installation carrier of the entire gasification unit, and it is also one of the most difficult individual units to construct.

Looking back on the construction process: On January 18th of this year, the framework was completed with a 36 meter elevation civil engineering roof, 23 days ahead of schedule; After entering the stage of steel structure installation, the construction pace further accelerated, and the final topping out was achieved 72 days ahead of schedule. As of now, the excavation of 19519 cubic meters of soil has been completed with a completion rate of 100%; 2022 tons of steel reinforcement binding, with a completion rate of 98.54%; 12361 cubic meters of concrete were poured, with a completion rate of 99.74%; Steel structure installation of 5400 tons, completion rate of 93.90%. The overall efficiency and control of the main project.

Behind the numbers is a months long collaborative battle. The gasification project department takes the lead in coordinating the supervision, general contractor, and various construction units, deepening the daily scheduling and weekly review coordination mechanism, and implementing closed-loop management of the entire construction process. In response to the challenges of frequent high-altitude operations, high lifting difficulty, and high precision requirements, a special tackling team has been established for the project to scientifically arrange lifting sequences and dynamically allocate personnel and equipment. During the peak construction period, more than 1800 workers and over 150 management personnel were simultaneously deployed on site, ensuring the efficient connection of each process.keywords:New energy information network

Next, the gasification project department will closely monitor the annual construction goals, take advantage of the situation to promote subsequent processes such as equipment hoisting and process pipeline laying, continuously optimize construction organization, and make every effort to ensure that the gasification unit is completed and put into operation on schedule with high quality. This hundred meter steel giant is gradually growing flesh and blood from its skeleton, injecting strong impetus into the industrial upgrading and high-quality development of Shaanxi Coal Group.Editor/Yang Meiling