CECO(SH:603698) Zhong Guo Hua Gong Bao·2025-09-12 02:34Core Viewpoint - The successful operation of the 2000-ton semi-waste boiler gasification unit by Aerospace Changzheng Chemical Engineering Co., Ltd. has set a new world record for continuous operation, achieving over two years of stable performance, which significantly enhances the competitiveness of synthetic ammonia products in the market [1][5][11] Group 1: Technological Achievements - The semi-waste boiler gasification unit operates at a gasification pressure of 4.0 MPa and has achieved a continuous operation time of over 730 days, surpassing the previous record of 489 days [2][5] - The unit has maintained stable steam output at 45 tons per hour without any decline, addressing a long-standing industry challenge related to steam decay [6][10] - The technology has led to the development of 13 authorized patents, including 4 invention patents, showcasing significant innovation in the field [7][10] Group 2: Economic and Environmental Impact - The comprehensive energy consumption for liquid ammonia production has been reduced to 1130 kg standard coal per ton, resulting in substantial economic benefits [1][10] - The gasification unit is expected to recover high-quality thermal energy equivalent to 50,000 tons of standard coal annually and reduce carbon dioxide emissions by 130,000 tons, promoting cleaner and more efficient coal utilization [1][10][11] - The successful operation of the semi-waste boiler technology serves as a valuable model for the promotion of advanced coal gasification technologies in the chemical industry, contributing to energy security and carbon emission reduction [11]