1, air condenser tube, straight condenser tube is mainly used when the product is vaporized (including distillation and fractionation), when the boiling point of the distillate is more than 140 degrees, the general use of air condenser tube, so as to avoid the straight condenser tube through the water cooling leads to the temperature difference between the glass and the glass blow up.
2, spherical condenser tube is mainly used for reflux, vapor condensation and flow back to the reaction system, the condensing area is larger than the straight condenser tube, condensing efficiency is slightly higher.
Spherical condenser tube of the inner tube is composed of connected spherical, used for organic preparation of reflux, suitable for scientific research, colleges and universities, petroleum, chemical, pharmaceutical industry, medical and health care and primary and secondary schools and other units of the laboratory, as distillation, fractionation or reflux of the device with the distillation flasks, curved takeover supporting the use of the condensation of vapors and condensation of liquid droplets role.
Expanded Information:
Washing before use, the condenser tube at the upper end of the expansion, with a well-drilled hole in the rubber plug connected to the flask on the stubs, distillation flasks to be added to the substance to be distilled, and then in the condenser tube of the water inlet (the lower mouth) at the water source with a rubber tube connected to the water source, and another rubber tube is connected to the upper mouth, to facilitate the cooling of the wastewater outflow.
The lower end of the condenser tube is connected to the receiving bottle, which is usually connected to the receiving bottle with a curved receiver, which allows the distillate to flow out vertically. After all the device is installed, fixed on the shelf, first open the cooling water source, and then heating to distillate boiling, vapor along the inner core tube meets the cooling water cooled tube wall that is condensed into liquid droplets, flow into the receiving bottle, that is, the pure substance.
Baidu Encyclopedia - Air Condenser Tube
Baidu Encyclopedia - Spherical Condenser Tube