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From April 8th to 10th, Chongqing Xiangyu Salt Chemical Co., Ltd., China Wuhuan Engineering Co., Ltd., Beijing Qingchuang Jinhua Technology Co., Ltd., Sichuan Air Separation Equipment (Group) Co., Ltd., and Dalian Jiacun Gas Purification Technology Development Co., Ltd. held a review meeting for the 30% PDMS model of the energy-saving technology upgrade project for coal gasification at the Wuhuan Building in Wuhan. As an important milestone of the project, all parties involved attach great importance to it; relevant professionals from the industrial upgrading project department, the general contractor, and the patent holders all participated in the review. At the meeting, the general contractor provided a detailed explanation of the design of each unit, discussed the issues remaining from the design process, and conducted a thorough review of the unit layout diagrams and various process systems in accordance with the 30% requirement specified in the \"Uniform Regulations for 3D Model Design/Review.\" Final review opinions were formulated, and the minutes of the meeting were signed. During this review, all parties took into account the characteristics of the process, and with meeting quality, safety, and environmental protection requirements as a prerequisite, conducted thorough and effective discussions on the equipment layout for various units, focusing on aspects such as equipment arrangement, system performance, construction and installation, maintenance space, and process flow. At the same time, issues such as the routing of important pipelines and the operation and maintenance of valves were reviewed. The 30% model PDMS review meeting this time laid the foundation for the preliminary construction of the project’s equipment. The gasification energy-saving technology upgrade project of Chongqing Xiangyu Salt Chemical Co., Ltd. is located at plot B10-05/04 in Unit IV of the Longbao Retired Team area of Chongqing Wanzhou Salt and Gas Chemical Park. An investment of 1.5 billion yuan will be made to upgrade the existing gasification facilities on the open land to the south of the current plant site; the project will utilize two Jinhua furnaces, with a gasification pressure of 6.5 MPaG and a total gas output of 80,000 Nm3/h (CO+H2), thereby replacing the existing atmospheric-pressure fixed-bed gasification system. The newly acquired land for the project covers an area of 122,000 m2; the existing vacant space within the factory complex is utilized for 15,030 m2, and the land used for buildings and structures amounts to 54,820 m2 ； New units for coal grinding and slurry preparation, gasification, shift reaction, low-temperature methanol washing, liquid nitrogen washing, ammonia synthesis, and sulfur recovery will be constructed; an air separation unit will be built using the existing plant area. As a result of these upgrades, the total capacity for ammonia synthesis will increase from 200,000 tons per year to 300,000 tons per year. The project’s technical solution is as follows: for gasification, the advanced 6.5 MPa third-generation water-coal slurry pressurized gasification technology developed by Jinhua is utilized; for shift reaction, the most advanced and energy-efficient isothermal sulfur-tolerant shift technology currently available in China is used ； The purification section utilizes the most advanced low-temperature methanol washing and liquid nitrogen washing processes available both domestically and internationally; energy-intensive pressure swing adsorption processes have been eliminated, as has the copper washing process, which is subject to usage restrictions. Ammonia synthesis is carried out using patented technology from Casali in Switzerland, with an operating pressure of ≤15.0 MPa. All compressors are driven by centrifugal steam turbines, thereby making the facility safer, more environmentally friendly, and more energy-efficient. Source: Project QuickQuickQuick