DMMn production equipment and method

The invention relates to the field of fine chemical engineering of transformation from coal chemical engineering to petrochemical engineering, in particular to DMMn production equipment and a DMMn production method. The DMMn production equipment comprises a primary flash system, an alkali wash system and a DMMn rectification system, wherein the primary flash system comprises a flash tank and a flash discharge cooler; the alkali wash system comprises a feed mixer, an alkali wash tank, an alkali wash tank top liquid receiving tank, a coalescer and a waste alkali liquor tank, and the rectification system comprises a first rectification tower and a second rectification tower. The DMMn production equipment and the DMMn production method have the beneficial effects that moisture is effectively removed, the product quality is improved, operation is smooth, energy is saved, and the environment is protected. 本发明涉及煤化工向石油化工转化的精细化工领域，特别涉及种DMMn的生产设备及方法。该DMMn的生产设备，包括初级闪蒸系统、碱洗系统和粗DMMn精馏系统，所述初级闪蒸系统包括闪蒸罐、闪蒸出料冷却器；所述碱洗系统包括进料混合器