【Ten Years of Rapid Development in Chemical Equipment】Yichang South Glass’ 6,000 T/a Polysilicon Cold Hydrogenation Furnace – the Largest in the World from 1987 to 2013
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Ten years of rapid development in chemical processing equipment – praise for China’s prosperity and strength. This is just a starting point; more participation from everyone will make things even more lively. HaiChuan becomes even better with your involvement; we welcome everyone to join in the forum discussions and exchanges. ********************************************* On the afternoon of May 24, 2013, at the construction site of Yichang Nanbo’s 6,000 T/a polycrystalline silicon upgrading project, the world’s largest cryogenic hydrogenation furnace, which has attracted much attention in the industry, was successfully lifted into place for the first time.
The cold hydrogenation furnace is the core equipment in Yichang South Glass’ current technical upgrade project; it features advantages such as high production capacity, high conversion efficiency, and low energy and material consumption, with its process technology parameters being at the international leading level. The furnace has a diameter of about 4.3 meters, a height of 23.5 meters, and a weight of over 170 tons; one such furnace can process 125,000 tons of silicon tetrachloride per year. The lifting height in this operation exceeded 16 meters; the load had to pass through a steel framework that was also 16 meters high before finally settling on the designated support points. The space available for actual lifting operations was very limited, with only a gap of slightly over 10 millimeters between the load and the installation ring beam of the cryogenic hydrogenation furnace, which made the lifting process extremely difficult. However, thanks to careful planning by the relevant personnel, the lifting was successfully completed in just one attempt.
I don’t know; I wonder if it was imported ten years ago
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