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Continuous vacuum concentrator structure and its concentration process

- Mar 06, 2018-

Continuous vacuum concentrator structure and its concentration process

Continuous vacuum concentration using a thin film concentrator. Its structure is one-way film-rose, from the feed, evaporation chamber and separator. The vertical steel tube of the shell is an evaporation chamber, and there is a row of thin titanium tubes in the tube. The lower part is a feeding chamber where titanium liquid enters, and the feeding chamber has a device for uniformly distributing the liquid material, thereby allowing the titanium liquid to enter into each evaporation Inside the tube, the outside is steam, heat exchange occurs in the wall of the evaporation column, the top of the separator, a trap device within the separator, the vapor-liquid separation. In order to prevent temperature stress between the tube and shell, the shell has a thermal compensation device. The evaporator also has a sight glass, vacuum gauge, thermometer, flow meter (see photo).

Thin-film evaporator titanium concentrate process is as follows: Titanium through the flow meter from the bottom of the thin-film concentrator feed into the titanium tube evaporator, the steam outside the tube is heated, evaporated water vapor at a very high speed In the tube up, the titanium liquid is pulled into the film by the high-speed airflow, in a very short period of time rose to the top of the evaporator, vapor-liquid separation in the separator, concentrated titanium liquid through the overflow tube into the titanium liquid seal pool , The steam enters into the mixing condenser, condenses with the cooling water, and then drains out of the system through the pressure pipe to the water seal pool, wherein the non-condensable gas is discharged from the top of the condenser and enters the vacuum through a vapor-liquid separation device Buffer tank, finally discharged to the atmosphere by the vacuum pump.


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