一种七钼酸铵生产用连续结晶工艺及装置
By controlling the temperature and adding coated seed crystals, combined with vacuum evaporation and slow stirring, the problem of explosive nucleation during the continuous crystallization process of ammonium heptamolybdate was solved, thereby improving crystal quality and equipment stability.
CN118454276BActive Publication Date: 2026-07-17JINZHOU TIANQIAO REFRACTORY METAL
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JINZHOU TIANQIAO REFRACTORY METAL
- Filing Date
- 2024-05-09
- Publication Date
- 2026-07-17
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Figure CN118454276B_ABST
Abstract
本发明属于七钼酸铵结晶技术领域，具体的说是一种七钼酸铵生产用连续结晶工艺及装置，本发明中通过控制降温的温度维持在结晶的临界温度以上，此时原液中的溶质还未能形成晶体，因此不会形成新的晶核，而此时将晶种加入，则能够抑制晶核的形成，同时晶种的引入能够吸引原液中的溶质离子在晶种的表面有序的生长；同时通过先调节温度，后投晶种，最后再进行真空蒸发的形式，能够为晶种均匀的混合到原液中提供的时间上的保证，进而在工业的生产中能够使得工艺更简便，避免了工艺上衔接的过度紧密，在操作时出现误差，进而提高了工艺的可操作性以及适应性；进而提高了晶体的品质，以及降低了设备结垢的概率。
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