Bean polishing machine adopts flexible friction polishing technology to remove dust, mud spots and mildew on bean surfaces without water or chemical additives, featuring low breakage rate, low energy consumption and integrated dust removal. It can make beans glossy and greatly improve commercial value. Widely applicable to soybeans, mung beans, kidney beans, chickpeas, broad beans and other grains, widely used in grain processing plants, seed treatment lines and legume export processing workshops.

Three Core Advantages of the Bean Polishing Machine
✅ Low processing loss and superior product quality
Utilizes a gentle, soft-friction polishing process that avoids harsh scraping or crushing of the beans, resulting in a minimal breakage rate. It effectively removes surface dust, mud spots, and mold stains, leaving the beans with a bright, uniform color that significantly enhances their visual appeal and market value.
✅ Eco-friendly and energy-efficient with integrated dust removal
Employs a dry, physical polishing process requiring no water or chemical additives. It features a dedicated dust extraction system for centralized dust collection. The machine offers low energy consumption and quiet operation, maintaining a clean, dust-free workshop environment that meets environmental standards for grain and oil processing.
✅ High versatility and ease of operation and maintenance
Compatible with a wide range of edible beans and coarse grains, and can be integrated into complete production lines alongside cleaning and gravity-grading equipment. The machine features a streamlined design with smooth material flow, allows for single-operator control, and offers easy access for replacing wear parts, ensuring low long-term maintenance costs.

Why do Spanish processors choose our polishing machines?
✅ The equipment complies with EU food production standards and meets the quality inspection requirements for the export of mixed grains to Spain.
✅ Compatible with mainstream legume processing in Spain; features low material loss and superior overall production costs.
✅ The breakage rate is far lower than that of similar equipment, resulting in minimal raw material loss.
Spain’s local chickpea processing industry features a comprehensive value chain; relying solely on a single polishing machine is insufficient to meet the stringent acceptance standards set by European supermarkets and canning plants. Instead, the processing workflow requires the coordinated operation of multiple specialized cleaning units. Integrated production lines—combining air screen cleaners, destoners, gravity separators, and polishers—can execute the entire process of grading, destoning, sorting, and brightening in a single pass. These lines ensure low breakage rates and cleanliness levels that comply with EU food processing regulations, making them perfectly suited for applications ranging from canned chickpea production and premium grain packaging to export operations. Consequently, such integrated systems have become the standard configuration for the majority of local legume processing facilities.
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2026 gravity separator utilizes differences in material specific gravity to perform sorting. It is specifically designed to remove impurities and inferior-quality grains that are similar in size to the target seeds—particles that are otherwise difficult to separate using conventional air-screen or vibrating-screen cleaners. It serves as a core piece of precision-sorting equipment in processing lines for grains, sesame seeds, and legumes.
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Sesame seeds are extremely small (approximately 1.5–2 mm in diameter) and flat-oval in shape, with a smooth surface, high oil content, and relatively low specific gravity. These physical characteristics present unique challenges for cleaning: while light impurities—such as stalks, husks, dust, and shriveled or empty seeds—can be removed via air classification (aspiration), and oversized or undersized debris can be intercepted through screening, certain contaminants pose a greater difficulty. Specifically, stones, sand, clods of soil, and metal fragments—which are similar in size to sesame seeds but have a significantly higher specific gravity—cannot be effectively separated by either air classification (as they are too heavy to be moved by airflow) or screening (as they pass through or are retained alongside the seeds).
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Pakistan is a significant global producer and exporter of sesame seeds, ranking as one of the few oilseed crops for which the country maintains a net export position. According to data from Pakistan’s Ministry of National Food Security and Research, the area under sesame cultivation expanded substantially from approximately 259,900 hectares in the 2022/23 crop year to about 399,800 hectares in 2023/24—an increase of 53%. Production reached approximately 301,200 tonnes, a sharp year-on-year rise of 97.7%. For the 2024/25 crop year, production is projected to climb further to approximately 440,000 tonnes (a 44.7% year-on-year increase), with the harvested area—as recorded by FAOSTAT—exceeding 700,000 hectares. The primary production regions are concentrated in Punjab province (cultivated during the *Kharif* monsoon season, covering approximately 1.76 million acres in 2024) and parts of Sindh province. In recent years, technical cooperation between Pakistan and China, alongside the adoption of contract farming, has led to significant improvements in both crop yields and the level of commercialization.
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