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The syngas compressor of the unit operated continuously for about 14 months, during which the support rings of the first-stage cylinder suffered severe wear; a total of 11 sets of support rings were replaced. Including: 8 sets supplied by leading domestic technology suppliers ； 3 sets of imported spare parts are supplied. The operating cycle does not exceed 60 days. The material of the support ring was modified three times, yet no satisfactory performance was achieved; everyone’s opinions are welcome. Unit structure: This compressor is of four rows and four stages, water-cooled, M-type oil-free lubrication low-pressure syngas compressor. data:image/png;base64,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*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 The cylinder mainly consists of three parts: the cylinder base, the cylinder body, and the cylinder head. This machine is equipped with four cylinders, all of which are double-acting cylinders. The first cylinder is a cast cylinder made of QT350-22L material, the second cylinder is also a cast cylinder made of QT350-22L4 material, the third cylinder is a cast cylinder made of QT350-22L material, and the fourth cylinder is likewise a cast cylinder made of QT350-22L material. All of the first, second, third, and fourth cylinders utilize a circulating water cooling system, with the air inlet and outlet for each cylinder being located at the top and bottom respectively. Levels 1, 2, 3, and 4 all use movable modular cylinder liners, with positioning via end flanges. The primary piston is made of cast aluminum (ZL401) material