[Haichuan Chemical News] The gasifier for the Guangxi Hua Yi Gas Island project, constructed by Aerospace Changzheng, was successfully lifted into place for the first time

The Guangxi Huayi project is located in the Petrochemical Industrial Park of Qinzhou Port Economic and Technological Development Zone in Guangxi. It employs the HT-L coal gasification technology with independent intellectual property rights in China. Five sets of 2,000-ton-class space furnaces (DN3800×70/(70+5)×20281) are installed within this framework; the gas production capacity is 644,000 Nm3/h (CO+H2). The plant operates for 8,000 hours per year, with a load flexibility range of 50–110%, and the maximum design load for the coal grinding unit is 140%. On December 29, 2018, Aerospace Changzheng Chemical Engineering Co., Ltd. signed a general contract for the design, procurement, and construction of the gasification unit for the industrial gas island project with Guangxi Huayi Energy Chemical Co., Ltd. The total value of the contract was 150,230 million yuan. Aerospace Changzheng Chemical Engineering Co., Ltd. was responsible for the design, procurement, and construction of the gasification unit as part of this project, as well as for all tasks, services, and management activities up to the intermediate handover of the project. It also provided technical guidance and support during the commissioning, trial operation, and performance evaluation phases.

The Guangxi Huayi project, which is part of the aerospace engineering sector, commenced construction on March 22, 2019. It covers an area of approximately 1,230 mu, with a total investment of around 12.1 billion yuan. Using coal as raw material, this project produces 1 million tons per year of methanol, 200,000 tons per year of ethylene glycol, and 500,000 tons per year of acetic acid. It consists of various process units such as air separation units, gasification units, CO conversion units, purification units, syngas separation units, sulfur recovery units, methanol synthesis and distillation units, ethylene glycol production units, and acetic acid production units, along with supporting utility systems and auxiliary facilities.

Space furnaces with a daily coal feeding capacity of 2,000 tons are already relatively mature products, and there are now larger models of such furnaces available. This project should pay more attention to the competing \"Huayi gasifier\", a new type of gasifier based on the \"dry coal powder radiation waste boiler process\" that was developed through a collaboration between Guangxi Huayi and CSIC 711 Institute. The weight of each individual Huayi gasification furnace unit is 1,206 tons, with a total length of over 51 meters; it can process 3,200 tons of coal per day. It is currently the largest dry coal powder radiation waste boiler-type gasification furnace in the world.

I saw there are 3,000 tons of it

Is this the inner tank that is installed inside the gasification furnace? It seems to also act as a boiler at the same time

This one has a structure that is somewhat similar to that of the 711 3200

This post was last edited by The wise are enlightened on 2020-5-3 at 18:54. This is the upper section of the Huayi gasifier, namely the \"radiation waste boiler\".

This post was last edited by The wise are enlightened on 2020-5-3 at 18:59. The largest scale for space furnaces at present is gasifiers with a daily coal feeding capacity of 3,500 tons. It is an ultra-large-scale pulverized coal gasifier developed by a aerospace engineering company for the design and development of large-scale dry pulverized coal fluidized bed gasification technology demonstration projects. The attached figure shows the internal components of the radiation waste boiler for a 3,500-ton class gasifier.