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The gas preheater for the methanol production project of China Five Rings Zhongmei Enerchemical in Wushen Banner, Ordos, Inner Mongolia has been hoisted into place

2020-05-21View Original

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The gas preheater for the methanol production project of China Five Rings Zhongmei Enerchemical in Wushen Banner, Ordos, Inner Mongolia was hoisted into place. Author/Source: Coal Chemical Industry 114 Forum. Date: May 21, 2020. Clicks: 14. At 2 p.m. on May 17, 2020, at the site of the China Five Rings Zhongmei Enerchemical methanol project in Wushen Banner, Ordos, Inner Mongolia, the first heavy piece of equipment to be delivered there after the Spring Festival in 2020 – the gas preheater for the reactor – was hoisted into place. The inlet gas preheater is one of the important equipment in methanol synthesis plants. The equipment has a diameter of 2.3 meters, a height of 18.4 meters, and a weight of 154 tons. Its design pressure is nearly 10 MPa; it is quite difficult to manufacture, and the delivery time is as long as 12 months. The equipment set off from Wuhan and arrived at the project site early in the morning on May 17; unloading was completed by noon of the same day, and it was successfully hoisted into place at 2 p.m. Previously, other important equipment for the project, such as 7 large-scale centrifugal compressors including the syngas compression units and methane gas compression units, had all been delivered by before the Spring Festival in 2020. To date, over 90% of the equipment for the CMCC EneChem methanol project, constructed by China Wuhuan, has been delivered, and over 95% of the materials have been supplied; the project is expected to be mechanically completed in the second half of 2020. The second-phase construction project of China Coal Energetic Chemicals Company, which involves technical upgrades to produce 1 million tons of methanol per year from syngas, is located in the Tuk Industrial Park in Ordos, Inner Mongolia. Land for this second phase has been reserved next to the facilities from the first phase, covering an area of 25.13 hectares. The project utilizes Zemach BGL fixed-bed slag gasification technology, purification technologies (low-temperature methanol washing + cryogenic methane separation), as well as advanced methanol synthesis technologies with low consumption and energy usage, to build an MTO-grade methanol plant with an annual production capacity of 1 million tons. On September 21, 2018, the groundbreaking ceremony was held for the technical upgrade project at China Coal Ordos Energy Chemical Co., Ltd., aimed at producing 1 million tons of methanol per year from syngas. The main units include: a 1 million tons per year methanol production plant, which comprises an air separation unit, a gasification unit (for gasification, gas-water separation, phenol and ammonia recovery, coal gas compression, shift reaction and cooling, chemical deoxidation station, integrated tank area, gasification slag disposal, gasification flares, etc.), a purification unit (low-temperature methanol washing, RTO system for flue gas combustion), a cryogenic separation unit (for methane cryogenic separation, LNG tank area), a sulfur recovery unit, and a methanol synthesis unit (for syngas compression, methanol synthesis, refrigeration processes, hydrogen recovery, intermediate methanol tank area, and finished methanol tank area). The Zhongmei Enerchemical project, with an annual production capacity of 2 million tons of synthetic ammonia and 3.5 million tons of urea, was constructed in two phases. The first phase, which has an annual production capacity of 1 million tons of synthetic ammonia and 1.75 million tons of urea, included two 40,000 Nm3/h air separation units; these units were completed and put into operation in 2013. Meanwhile, some of the utility facilities for the second phase as well as all the office and living facilities have been built. Based on the current market conditions and operational status, Phase II of the project plans to shift from producing synthetic ammonia and urea to manufacturing 1 million tons of methanol, thereby supplying MTO-grade methanol feedstock to the olefin plants of China Coal Mengda Company.

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