Metallurgical industry

Case study Haihui Group has successfully completed the construction of a 15 t/h wet-process water glass sand recycling production line for a foundry in Shandong. During the design and construction of the project, Haihui Group fully leveraged its R&D strengths, systematically summarising the successes and shortcomings of previous water glass sand recycling projects it had…

Case study Haihui Group’s New Generation Low-Resistance Dust Collector: A Proven Solution for Electric Furnace Flue Gas Treatment Drawing on years of extensive experience gained from numerous electric furnace flue gas treatment projects, Haihui Group’s Dust Collection Division has developed a profound understanding of the technologies involved in the capture, conveyance and purification of high-temperature…

Case study Haihui Group has successfully secured the contract to supply and install the double-alkali flue gas desulphurisation system for Shanxi Jincheng Jianniu Metallurgy and Casting Company. With a total investment of 60 million yuan, Shanxi Jincheng Jianniu Metallurgy and Casting Company has transformed its original single-blast-furnace production project into an integrated metallurgy and casting…

Case study Haihui Group has successfully secured the contract to construct the sintering machine dust collection system for Shandong Laiwu Steel Yongfeng Iron & Steel Co., Ltd.’s 5 million metric tonne per annum medium-scale steel project. This dust collection system is required to treat multiple complex dust emission points, primarily including: dust generated during the…

Case study During the implementation of the project to upgrade the electrostatic precipitators at Weiqiao Group’s alumina subsidiary to electrostatic-bag hybrid dust collectors, Haihui Group boldly pursued technological innovation. The company actively optimised the upgrade plan at every stage—from design drawings and process layout to installation schemes—ensuring that all technical indicators met high industry standards….

Case study Upon receiving the project brief, the Dust Collector Division of Haihui Group swiftly mobilised its key technical personnel to undertake project feasibility studies and prepare for implementation. The team first conducted a comprehensive feasibility analysis of the technical proposal for the ultra-low emission retrofit of the electrostatic-bag composite dust collector, thoroughly assessing the…