介质经缓流减压之后再进入介质流道，可以均匀的分配到传热板之间的各个蒸发流道。
Medium is subject to slow flow pressure reduction and then enters the medium flow passage, and can be evenly distributed to various evaporation flow passages among heat transfer plates.
一种减压渣油的乳化方法，是将减压渣油、水以及含有石油磺酸盐甲醛缩合物的乳化剂混合，搅拌均匀即可。
Vacuum residuum emulsifying process comprises mixing vacuum residuum, water and emulsifier containing petroleum sulfonate-formaldehyde condensate through stirring.
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