Lubricant for belt conveyor

The invention discloses a lubricant for a belt conveyor. The lubricant is characterized by being prepared from the following components in parts by weight: 3-10 parts of glycerin, 1-7 parts of polymethacrylate, 0.1-0.8 part of sulfurized isobutylene, 0.2-0.9 part of sulfurized cottonseed oil, 0.05-0.1 part of succinimide, 0.6-1.3 parts of zinc alkylsulfate, 0.4-1.0 part of a polyoxypropane type derivative, 1.0-1.6 parts of a methyl phosphorus oil anti-foam agent, 0.1-0.8 part of poly-alpha olefin, and 0.6-1.1 parts of triethanolamine. A formula of the lubricant is adopted, so that the lubricant is prevented from being invalid in low-temperature environment; and the formula is reasonable, the lubricant is simple to prepare, and the use properties of the lubricant are improved. 本发明公开了种皮带输送机的润滑油，其特征在于：按重量计，包括甘油3-10份，聚甲基丙烯酸酯1-7份，硫化异丁烯0.1-0.8份，硫化绵籽油0.2-0.9份，丁二酰亚胺0.05-0.1份，硫酸烷基锌盐0.6-1.3份，聚氧丙烷型衍生物0.4-1.0份，甲基磷油抗泡剂1.0-1.6份，聚α烯烃0.1-0.8份，三乙醇胺0.6-1.1份。采用以上配方，防止润滑油在低温环境下失效，配方合理，配制简单，提高了润滑油的使用性能。