Jiangxi Xinlianxin: Contributing to Ecological Protection and Green Agriculture (I)

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Jiangxi Xinlianxin: Contributing to Ecological Protection and Green Agriculture (I) Author/Source: China Chemical Industry News Date: 2022-07-07 Clicks: 30 Jiangxi Xinlianxin Chemical Industry Co., Ltd. (hereinafter referred to as Jiangxi Xinlianxin) is a wholly-owned subsidiary of Henan Xinlianxin Chemical Industry Group Co., Ltd. Since its commissioning on February 8, 2021, the company has, in line with the **\"dual carbon\" policy and a market-oriented approach, followed a development strategy focused on strengthening, extending, and complementing industrial chains. By leveraging its geographical advantages and market demands, it has made concerted efforts to build an intelligent factory that features production automation, visual management, optimized energy consumption, intelligent operations, as well as remote monitoring and diagnosis. The company aims to create a flexible and intelligent production model with multiple output options, and strives to become a modern chemical enterprise that leads in terms of safety, environmental protection, and profitability in the areas south of the Yangtze River. Energy conservation and consumption reduction are related to the sustainable development of the economy and society. As the main force in energy conservation and consumption reduction, it is the responsibility of enterprises to put the concept of green development into practice through concrete actions. Shang Dewei, general manager of Jiangxi Xinlianxin, said that the company has long been focused on innovation and advancement in manufacturing technologies. Through various approaches such as independent development and collaboration, it carries out original and integrated innovation, as well as innovation through the introduction, adaptation, and further development of existing technologies. The company invests hundreds of millions of yuan each year in over 200 innovation projects, and last year it filed more than 50 patents for its own intellectual property. “We optimized the water system circulation in the multi-nozzle opposed coal-water slurry gasification technology, reducing the ash content in the syngas. The sulfur-resistant wide-temperature shift converter features new internal components, resulting in a reduction in pressure loss of 45 kPa to 80 kPa, thereby lowering the overall energy consumption of the system. The regeneration system was optimized using low-temperature methanol washing, which led to a significant reduction in energy consumption ； The waste heat recovery process in the liquid nitrogen washing unit has been optimized, which not only reduces the amount of circulating water required for gas cooling, but also cuts down on steam consumption ； The urea production process utilizes the state-of-the-art ultra-low energy consumption CO2 stripping technology, resulting in a steam consumption of 300 kilograms per ton of urea less compared to conventional processes ； For large centrifugal units such as ammonia synthesis compressors, methanol cycle machines, and CO2 compressors, we use steam directly as their power source, reducing losses during energy conversion and enabling efficient use of energy. ”President Shang said, “At the same time, in order to continue making efforts to save energy and reduce consumption, the company promotes the improvement of its management systems. Each year, energy-saving targets are set, and these targets are broken down at the company, factory, and workshop levels, with specific implementation indicators and control measures established. Management innovation and QC improvement initiatives are also carried out.” ” President Shang said that thanks to various advanced technologies and management innovations, Jiangxi Xinlianxin has seen a significant improvement in the efficiency of comprehensive utilization of its resources. The comprehensive energy consumption per unit of synthetic ammonia produced has dropped below 1,250 kilograms of standard coal, which is 17% lower than the industry threshold and 7% lower than the industry benchmark.