The hydrogenation reactor (R-101) of the 300,000-ton/year lube oil hydrogenation unit of Sinopec Group’s Jinan Branch was successfully hoisted once a day. It is reported that the company is implementing a differentiated development strategy and is making every effort to build a base for heavy lube base oil (bright oil). Lubricating oil hydrogenation units currently under construction are key projects. The picture shows the hydroprocessing reactor hoisting site. (Xie Xiaoru/Wen Zhangjie/Figure)
Casting crane wheel has a wide range of wearparts and components that are too large, complicated, intricate or otherwise unsuitable for the forging process. The advantages of casting include:
· No real upper size limit in casting weight.
· Large range of alloy choices.
· As forgings remain solid, custom alloys are far more difficult to get into production whereas with cast alloys including Chrome, Nickel and Moly can be added at the molten stage.
· Tooling is often less expensive than forge dies.
· Smaller production [runs" required.
· Complicated/complex parts are no problem.
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