The development of domestic bucket wheel stackers and reclaimers has basically gone through three stages. In the 1960s and 1970s, China began to design small bucket wheel stackers and reclaimers. Typical models are 3025, 8030, etc., with reclaiming forces of 300t/h and 800t/h, and gyration radii of 25m and 30m respectively. The 1980s and 1990s were the second stage of the development of bucket wheel stackers and reclaimers. Large-scale bucket wheel stacker-reclaimers are gradually adopted in newly-built bulk material storage yards such as steel mills and power plants for stacking and transshipment of bulk materials. The output reaches 2000t/h, and the turning radius reaches 40m. Restricted by the domestic conditions at that time, the construction of these stockyard conveying equipment was mostly made in cooperation or imported as a whole, and even the entire bulk material conveying system was imported from abroad. After 2000, domestic bucket wheel stackers and reclaimers have developed to a new stage. So far, domestic manufacturers have the design and manufacturing capabilities of 300~6000t/h production capacity and 25~60m turning radius bucket wheel stacker and reclaimer series products. At this stage, foreign manufacturers still occupy a certain share, but domestic manufacturers have mastered considerable technology and production capacity, and have occupied the mainstream position in the domestic market by virtue of service and price advantages, and are gradually moving towards the international market.
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