求翻译：本设计以合成气为原料，年产8万吨甲醇的生产工艺设计，采用lurgi生产工艺和三塔精馏，主要设计内容有生产方法的选择、工艺流程的选择、物料衡算、能量衡算、主要设备计算与选型。此外，还充分考虑到工厂的生产安全。是什么意思？

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This design to synthesis gas as a raw material to produce 80,000 tonnes of methanol production with lurgi process design, production and refining tower 3, a major design elements of the selected methods of production, process selection, material balance, energy balance, the main device with options.

This design take the synthetic gas as a raw material, yearly produces 80,000 tons methyl alcohol the production technological designs, uses the lurgi production craft and three tower selective evaporations, mainly designs the content to have the production method choice, the technical process choice

This design to synthesis gas as raw material, with an annual output of 80,000 tons of methanol production process design, and three-tower distillation using the Lurgi process, key design choice of production method, process selection, material balance, energy accounting, calculation and selection of

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