渭南30万方/天液化天然气装置优化改造，不仅解决了原装置冷箱冻堵问题，同时解决了BOG量大不平衡问题，提高装置的稳定性与经济性。

The optimization and renovation of Weinan 300,000-sq-d liquefied natural gas plant not only solved the problem of freezing and blocking of the original unit's cold box, but also solved the problem of large BOG quantity imbalance, and improved the stability and economy of the unit.