Feedback control method for crystal product granularity in dilution crystallization process
A technology of dissolution crystallization and feedback control, which is applied in the field of feedback control of crystal product particle size in the process of dissolution crystallization, and can solve problems such as uneven particle size distribution of crystal products
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[0018] In this embodiment, erythritol is used as the research object.
[0019] A feedback control method for the particle size of crystal products in the dissolution and crystallization process, specifically comprising a dissolution crystallization system I, a crystal crushing system II, an online particle size detection system III and a particle size feedback controller IV; the dissolution crystallization system I is mainly composed of It is composed of a dissolution crystallizer (1), a temperature-controlled water bath with external circulation (2), a solvent feeding system (3) and a solvent feeding system (4). The water bath (2) is connected to the crystallizer ( The jacket of 1) is connected, and the operating temperature in the crystallizer (1) is regulated, and the solvent feeding system (3) and the eluent feeding system (4) are respectively adjusted to the crystallizer (1) by pumps. The flow acceleration rate; the crystal crushing system II is a kind of submerged and ex...
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