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Home > Chemial News > Company News > The latest progress of the largest coal chemical project under construction with a total investment of 126.2 billion yuan

The latest progress of the largest coal chemical project under construction with a total investment of 126.2 billion yuan

Echemi 2021-05-06

On May 1, the torch tower in the fourth bid section of Shaanxi Coal Group Yulin Chemical's 1.8 million tons/year ethylene glycol project public auxiliary project was successfully topped.

 

The total height of the torch tower is 150 meters, and the total weight is 960 tons. The bottom size of the tower is 34m×34m. The tower body is an irregular variable cross-section frame type five-tube structure. The scale is difficult, and it is one of the few in China. Based on the principle of modularization and standardized construction, the tower is prefabricated into frames in eight sections and installed in sections by 1,250-ton crawler cranes.


It is reported that on April 22, the first series of the 1.8 million tons/year ethylene glycol project of the demonstration project for the production of new chemical materials by the use of coal and the first series of gasifiers with the conditions for feeding the first series of competition was officially launched!

 

Yulin Chemical is carrying out the construction of a demonstration project for the production of new chemical materials by the use of coal in the Qingshui Industrial Park of Yushen Industrial Zone. As the largest coal chemical project currently under construction in the world, the project occupies a total area of about 13 square kilometers, with a planned total investment of 126.2 billion yuan, which can convert more than 24 million tons of coal each year.

 

The project is divided into two phases and four phases of construction, including 27 process devices and supporting utilities, mainly including 15 million tons of coal medium and low temperature pyrolysis, 5.6 million tons of methanol, 1.8 million tons of ethylene glycol, 2 million tons of MTO, and Use this as the downstream product of the intermediate raw material.

 

The first phase of the project will invest about 70 billion yuan to build 1.8 million tons/year of ethylene glycol, 5.6 million tons/year of methanol, and 2 million tons/year of olefins. At the same time, it will produce a large number of olefin downstream fine chemical products. The first and second phases are the construction of 5.6 million tons/year of methanol, 2 million tons/year of olefins and deep processing projects, which are planned to be completed before the end of 2023.

 

The 1.8 million tons/year ethylene glycol project is the first phase of the project, and it is also the largest coal-to-ethylene glycol project currently under construction in the world, with an estimated investment of 26.5 billion yuan. The project adopts the patented technology of Colin dry powder coal gasification and the patented technology of producing ethylene glycol from Japanese high-chemical synthesis gas. Shaanxi Coal Group Yulin Chemical Co., Ltd. and Japan High Chemical Technology Co., Ltd. jointly funded the establishment of Shaanxi Coal Group Yulin Chemical Yugao Chemical Co., Ltd. to construct and operate oxalate production and oxalate hydrogenation to ethylene glycol plants.

 

One of the overall goals set by the project construction work, that is, on June 30, 2021, the 1.8 million tons/year ethylene glycol project in the first phase of the project, 1.2 million tons/year of pulverized coal pyrolysis and 500,000 tons in the second phase of the first phase. Each year, coal tar deep processing industrialization demonstration devices have reached mechanical completion, namely "21630".
The second phase of the project is led by coal pyrolysis. It is also divided into two phases, one of which is 1.2 million tons/year pulverized coal pyrolysis and 500,000 tons/year coal tar deep processing industrialization demonstration device. It is planned to be completed in June 2021. In the second stage, the scale of pyrolysis will be enlarged to 15 million tons, and the coal tar industrial chain will be extended to produce aromatics and aromatic-ene-combined downstream products. It is planned to start construction in 2022 and complete all construction contents before the end of 2025.

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