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发明公开
CN109045743A 一种新型双降膜熔融结晶器及其物质分离工艺 审中-实审

一种新型双降膜熔融结晶器及其物质分离工艺
摘要：
一种新型双降膜熔融结晶器及其物质分离工艺，涉及熔融结晶方式提纯物质技术领域。本发明上壳体的顶端分别连通提纯物料进口、溢流泄放口，下壳体的底部连通提纯物料出口，上壳体与下壳体之间连通有外管；外管内套设有内管，外管与内管之间流通冷热媒，外管内设置有外管拉杆，外管上还设置有外管造膜头，外管造膜头上开设有外管造膜孔；内管内设置有内管拉杆，内管上设置有内管造膜头，内管造膜头上开设有内管造膜孔。本发明保证不成膜的液体可以重新分布，防止结晶造成的成膜不均匀现象，保证成膜传热效果，实现物质分离结晶熔融过程中温度的精准恒温控制。
摘要（英）：

The invention relates to a novel double falling film melting crystallizer and a substance separation process thereof, relating to the technical field of substance purification through melting and crystallizing. The top of an upper shell is communicated with a purified substance inlet and an overflow release outlet separately, the bottom of a lower shell is communicated with a purified substance outlet, an outer tube is communicated between the upper shell and the lower shell, an inner tube is sheathed in the outer tube, cold and holt mediums flow between the outer tube and the inner tube, theouter tube is internally provided with an outer tube pull rod, the outer tube is further provided with an outer tube filming head, the outer tube filming head is provided with an outer tube filming hole, the inner tube is internally provided with an inner tube pull rod, the inner tube is provided with an inner tube filming head, and the inner tube filming head is provided with an inner tube filming hole. Through adoption of the novel double falling film melting crystallizer, liquid not forming a film can be redistributed, so as to avoid uneven filming caused by crystallization, a heat transfereffect of the formed film is ensured, and constant temperature is controlled accurately in separation, crystallization and melting of substances.

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