Extractive distillation tower

Abstract

An extractive distillation tower comprises a device platform. A steam generator base, a steam intensifier base, a rectifying tower, a getter pump and a driving motor base are sequentially arranged onthe device platform. A steam generator is arranged on the steam generator base; a steam intensifier is arranged on the steam intensifier base; a driving motor is arranged on the driving motor base; afirst communicating pipe is arranged on the side wall of the steam generator; and the end, which is away from the steam generator, of the first communicating pipe is communicated with the steam intensifier. One end, which is away from the first communicating pipe, of the steam intensifier communicates with the rectifying tower; the end, which is away from the device platform, of the rectifying tower communicates with an air outlet pipe; the end, which is away from the rectifying tower, of the air outlet pipe communicates with the getter pump; a water inlet is formed in the end, which is away from the device platform, of the steam generator; an adjusting knob is arranged on the side wall of the water inlet, and a first transparent viewing window is arranged in the side wall of the steam generator. The extractive distillation tower is simple in structure and convenient to operate, and has high distillation efficiency and effect.

Description

technical field [0001] The invention relates to the technical field of rectification equipment, in particular to an extractive distillation tower. Background technique [0002] A rectification tower is a tower-type vapor-liquid contact device for rectification. Utilizing the different volatility of each component in the mixture, that is, the property that the vapor pressure of each component is different at the same temperature, the light components (low boilers) in the liquid phase are transferred to the gas phase, and the light components in the gas phase are transferred to the gas phase. The heavy components (high boilers) are transferred to the liquid phase, thus achieving the purpose of separation. Distillation column is also a mass transfer and heat transfer device widely used in petrochemical production. Whether it is equilibrium distillation or simple distillation, although it can play a certain role in separation, it cannot separate a mixture into a certain amount...

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Problems solved by technology

[0003] The rectification tower in the prior art still has certain deficiencies in actual use, especially the steam volume and strength of distillation are not enough, which seriously affects production, and at the same time consumes a lot of energy

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