| 摘要 |
A reaction-crystallization apparatus for carrying out reaction and/or solvent extraction and/or crystallization of soluble salts. The apparatus comprises an upper section having a top and a decanter. The decanter comprises: a vertical vessel having a horizontal weir at the top of the upper section. The top of the upper section has an outlet for removing a light phase at the top of the decanter. The apparatus further comprises a lower section, including a crystallizer. The crystallizer includes: a coaxial draft tube; at least one feed pipe; an agitator located inside the draft tube; and at least one outlet at the bottom for crystal slurry removal. The apparatus further comprises an intermediate section sandwiched between the lower section and the upper section such that the sections are in fluid communication. The intermediate section includes at least one coaxial vertical baffle, there being a gap between the draft tube and the coaxial vertical baffle, where in use, the gap is adjustable by moving the vertical baffle up or down. |
