The gasification unit of Anhui Carbonxin Coke Oven Gas Comprehensive Utilization Project has been successfully commissioned

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The gasification unit of the Anhui Carbonxin Coking Gas Comprehensive Utilization Project was successfully put into operation / Source: Coal Chemical Engineering 114 Forum, Date: 2020-03-23, Clicks: 60. At 9 a.m. on March 20, the gasification unit of the Anhui Carbonxin Coking Gas Comprehensive Utilization Project, which was under the general contracting of Donghua Technology, was successfully commissioned. The gasification unit is the core process equipment of the project, utilizing coal powder gasification technology. The main sections include coal grinding and drying, pressurized transportation of coal powder, gasification, and black water treatment. Its main framework is divided into two main parts: a lower concrete section and an upper steel structure, reaching a height of 93.5 meters. The high construction difficulty and long duration constitute the critical path of the entire project. In order to meet the project deadline, the project team worked diligently to make plans. Designers from various fields such as process engineering, equipment, pipeline layout, structure, architecture, water supply and drainage, automatic control, and electrical systems gave up their usual Spring Festival holidays and, under the leadership of project director Cui Linlin, conducted model reviews via video conferences for the units that were to start construction after the holiday, addressing any design issues that arose as they came up ； Purchasing manager Liu Lin actively coordinated with the manufacturer to ensure that the design documents were submitted in a timely manner, and worked overtime to accelerate the design process, thereby laying a solid foundation for the commissioning of the gasification unit. Under the leadership of project manager Nie Lei, the construction management team arrived at the site on February 17th. They coordinated with the construction contractor in advance to have personnel, machinery, and materials brought in as soon as possible. They carefully planned and designed the construction organization plan and procedures, and conducted thorough inspections of the special-purpose workers, machinery, and equipment, thus making full preparations for the commencement of construction of the gasification unit. At the commencement ceremony, the owner, Anhui CarbonXin Technology Co., Ltd., and the supervisor, Wuhan Tianyuan Engineering Co., Ltd., highly praised Donghua Technology’s preparatory work. They asked Donghua Technology to continue its efforts during the subsequent construction phase, ensuring that the construction tasks are completed to high standards and in a timely manner, while also maintaining strict controls over epidemic prevention and construction safety. Fang Fengzheng, the deputy project manager, and the project manager of the construction subcontractor Erhua Jian both stated that they would definitely meet the owner’s requirements by completing the project safely and to a high standard. All parties involved in the project will work together to provide excellent service to the owner, with the goal of turning this project into a model project for Donghua Technology in Anhui Province. On August 27, 2019, Donghua Engineering Technology Co., Ltd. signed an EPC general contract for a project aimed at the comprehensive utilization of coke oven gas with Anhui Carbonxin Technology Co., Ltd.; the value of the contract was 1.367 billion yuan. The scope of the contract includes a turnkey EPC project covering the 2,000 tons/day powder gasification unit, the 500,000 tons/year methanol synthesis unit, as well as related auxiliary facilities. The Anhui Carbonxin project to produce 500,000 tons of methanol from coking oven gas plans to utilize the hydrogen-rich off-gases from the existing two 400,000-ton methanol production units at Linhuan Coking. A new gasifier with a coal feeding capacity of 2,000 tons per day will be installed to supply carbon for the production process, thereby enabling the manufacture of 500,000 tons of methanol per year. In the end, the production capacity is expected to reach 900,000 tons of methanol per year, which will serve as raw material for expanding the downstream olefin industry chain in Anhui (Huaibei)’s new coal chemical synthesis materials base.