隔水环根治轴承盒积水隐患

Core Insights - The article discusses a significant innovation by Liu Bin, a senior technician at Jilin Petrochemical Company, aimed at solving frequent maintenance issues with the SAN unit pelletizer in the ABS production process [1][2] Group 1: Problem Identification - The pelletizer, which cuts SAN resin into small particles, has been facing issues due to high-temperature circulating water infiltrating the bearing box, leading to oil degradation and rusting of ball bearings [1] - Frequent repairs have been necessary, with each maintenance costing between 500,000 to 700,000 yuan [1] Group 2: Innovative Solution - Liu Bin proposed a solution by installing a pair of water-separation rings at the cutting chamber, effectively creating a "gate" that reduced the water entry gap from 3 millimeters to 0.5 millimeters, thus decreasing the cross-sectional area for water entry by 90% [2] - Additionally, drainage holes were added to the ring body to address the water accumulation issue, which has resulted in significant cost savings by preventing annual losses of several hundred thousand yuan [2]