本发明涉及铸造用的型砂冷却除尘装置，特别是双质体振动型砂沸腾冷却床。
The invention relates to a molding sand cooling and dedusting device for foundry, in particular to a double-plastid vibration molding sand boiling and cooling bed.
中间阶段位于蒸汽膜阶段与沸腾阶段之间。中间阶段的特点是具有等效厚度的表面上同时存在蒸汽膜冷却区和沸腾冷却区。
In middle stage, both vapor area and boiling area are co-exist on the surfaces having the same effective thickness.
热蒸馏涉及到加热：沸腾的水变成水蒸气- - -盐分留了下来- - -被收集的蒸汽冷却后凝结成水。
Thermal distillation involves heat: Boiling water turns it into vapor-leaving the salt behind-that is collected and condensed back into water by cooling it down.
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