【Ten Years of Rapid Development in Chemical Equipment】1636–2021: Development of the First Intelligent Phase-Separation Machine for Titanium Gypsum Completed

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This post was last edited by “Fish Swimming in the Desert” on May 5, 2024, at 21:57. Happy Labor Day 2024! Safety comes first. Let’s give a thumbs up and cheer for the achievements made in China’s chemical technology and equipment industry. ********************** [Ten Years of Great Development in Chemical Equipment] This is a continuously updated summary thread; all are welcome to join the discussion. https://bbs.hcbbs.com/thread-3576046-1-1.html (Source: Haichuan Chemical Industry Forum) ***************** On October 8, 2021, reporters learned from the Guohé High-End Equipment Manufacturing Base for Environmental Protection, located in Yixing Environmental Protection Industrial Park, China, that the first IEMFL-T-2600/700 intelligent co-current separator had been successfully developed by Guohé Machinery Equipment Jiangsu Co., Ltd., a company incubated at the base. After undergoing high-pressure filtration under pressures as high as 10 MPa, the moisture content of the titanium gypsum slurry dropped below 20%. This breakthrough effectively resolved a long-standing bottleneck problem plaguing the industry. 　　According to Cho Ki-cheol, a Korean expert from Guohé Machinery, the company holds complete independent intellectual property rights over the core process technology of the intelligent phase separation machine it has developed. Compared with traditional filter press equipment, the new device not only has a high daily processing capacity per unit, but also features low operating costs and excellent filtering performance. The pressure at which this separator operates is as high as 10 MPa, which is much higher than the operating pressure of similar filter press equipment available domestically and internationally. After filtration and dewatering, the titanium gypsum slurry has a moisture content of less than 20%, meeting the requirements for direct processing into gypsum blocks and gypsum boards. The filter plates of the equipment are made from high-strength materials, offering excellent corrosion resistance; they can operate stably even in ultra-high pressure environments, effectively preventing cracking and extending their service life. The complete set of equipment is also equipped with an advanced intelligent automation system that enables the entire process of plate pulling, sludge removal, automatic crushing, and transportation to be carried out fully automatically, thus allowing for unattended operation. At full capacity, the daily processing volume can reach 700 tons. 　　On the eve of National Day, at the launch and demonstration event for the intelligent phase separation machine held at the Guohé Environment High-End Equipment Manufacturing Base, the actual operation of this machine was showcased. Representatives from 11 organizations, including the China Building Materials Federation and the Titanium Materials Production and Application Branch of the China Building Materials Market Association, observed the entire process of this intelligent phase separation machine, from starting the feeding to the filtration and discharge of the product. Shao Kunkun, head of the Overseas Chinese Federation in China’s Yixing Environmental Protection Technology Industrial Park and director-general of Guohé Environment’s high-end equipment manufacturing base, said that the successful development of intelligent co-phase separators provides strong support for the comprehensive utilization of titanium gypsum in our country. 　　Titanium gypsum is a waste residue primarily composed of dihydrate gypsum, which is generated when lime is added to neutralize large amounts of acidic wastewater during the production of titanium dioxide using the sulfuric acid process. At present, the vast majority of titanium gypsum is disposed of by dumping it in landfills, and titanium dioxide manufacturers incur substantial costs each year for the construction and maintenance of such landfills. Due to the low comprehensive utilization rate of titanium gypsum, the large amount of this waste discharged poses a serious constraint on the healthy development of China’s titanium dioxide industry. China discharges approximately 24 million tons of titanium gypsum each year, and the cumulative amount accumulated over the years is already close to 200 million tons. 　　Fu Yijiang, secretary-general of the Titanium Materials Production and Application Branch of the China Building Materials Market Association, stated at the observation meeting that titanium gypsum is a \"resource in the wrong place\"; it can be used as a substitute for natural gypsum to produce cement retarders and gypsum boards. However, at present, the titanium gypsum filter cakes produced by conventional plate and frame filter presses in China have a moisture content as high as 45%, and water leakage during transportation can contaminate the environment. When used as a cement retarder, such filter cakes require further drying due to their high moisture content; they can also easily clog storage bins, and their processing cost is relatively high. To date, there has been no real way in China to achieve the resource utilization of titanium gypsum. The intelligent in-phase separator developed and manufactured by Guohé Machinery solves the critical challenges in this industry.