Lubricating grease special for front furnace roller way bearing of metallurgy industry and preparation method thereof

Abstract

The invention discloses lubricating grease special for a front furnace roller way bearing of metallurgy industry and a preparation method thereof. The lubricating grease comprises the following raw materials in percentage by weight: 3 to 8 percent of diphenylmethane-4,4'-diisocyanate MDI, 0.5 to 2 percent of octadecylamine, 1 to 5 percent of cyclohexane, 40 to 50 percent of base oil 1, 30 to 45 percent of base oil 2, 0.4 to 0.6 percent of antioxidant, 0.4 to 0.6 percent of anti-rusting agent, 2 to 6 percent of extreme pressure anti-wear additive, 0.5 to 3 percent of adhesive and 1 to 8 percent of filling agent. During preparation, the raw materials are added into an oil tank and a saponification kettle for stirring and mixing at different temperatures and in certain order.

Description

technical field [0001] The invention relates to the field of lubricating grease, in particular to a lubricating grease specially used for roller table bearings in front of furnaces in the metallurgical industry. Background technique [0002] The metallurgical industry has a long production process, complicated equipment, and its special working conditions (high temperature, water, dust, and heavy load), which make its requirements for lubricating grease quite stringent. In addition to good high-temperature performance and sealing performance, the most important characteristic required for furnace roller bearing grease should be its ability to resist impact loads. Generally, the performance of general-purpose grease cannot meet the performance requirements of the lubricating grease required for the conveying roller table before the slab enters the heating furnace. In the past, the conveying method was cold delivery, and the extreme pressure lithium used for roller table beari...

AI Technical Summary

Problems solved by technology

There is a hot billet above the bearing seat for a long time, and the bearing works under high temperature (about 100°C) baking for a long time. The grease is easy to lose, and the bearing is damaged due to lack of oil. Higher, the actual working temperature in some bearing housings may exceed 150°C

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