Discussion on the function of the extractive distillation experimental device

Extractive distillation experimental device model: JL/CQ

Purpose:

1. Master the basic principles and operations of extractive distillation.

2, can carry out the process analysis of the whole tower material balance and tower operation.

3. Understand the difference between extractive distillation and conventional distillation.

4. Learn to analyze the material composition in the tower. Main configuration: Glass distillation tower, condenser, reboiler, preheater, temperature controller, temperature display, pressure gauge, flow meter, stainless steel frame, control panel.

Technical Parameters:

1. Atmospheric pressure operation, temperature inside the tower: within 100 °C. Experimental material: ethanol-water-ethylene glycol.

2, glass filler extractive distillation tower, five side mouth, tower outer wall 2 sections of conductive film heating and insulation (manual control), glass extractive distillation column body (filler): φ30 × 1400mm, solvent recovery tower (filler): φ30 × 1200mm , glass tower kettle, volume 500m1.

3, solvent recovery tower, five side ports, two sections of the outer wall of the tower heating film insulation (manual control).

4. The device comes with a glass high-level tank. During the experiment, it enters the distillation column via a flow meter and has a volume of 250ml.

5, digital display instrument, tower top, inner siphon tower kettle independent temperature display.

6. The tower head is a coil condenser and a pendulum type reflux ratio controller.

7. Stainless steel heater: 0.8kW, tower top glass condenser: The tower is filled with φ3x 3 mm stainless steel θ ring type packing.

8, K-type thermocouple thermometer: 0-100 ° C (4), LZB--6 rotameter: flow range 0.2 ~ 2 l / h.

9, AI501 Yu electric temperature display instrument, AI708H Yu voltage display instrument, AI501H Yu power return ratio control display.

10. Zhengtai Electric: contactor, switch, leakage protection air switch.

11, stainless steel instrument cabinet: measurement and control, electrical equipment on the experimental rack.