Molecular distillation apparatus

Abstract

The invention relates to a molecular distillation apparatus, comprising a motor, a cylinder body, sleeves around the cylinder body, a feed inlet, a rotary shaft, a running wheel device, a condensation pipe assembly, and a light oil collecting flute, wherein the condensation pipe assembly is a cylindrical device formed by enclosing of a plurality of condensation pipes; and the motor is connected with the rotary shaft via a reducing gear, and the rotary shaft penetrates through the end cover of the cylinder body to be fixedly connected with the running wheel device. The molecular distillation apparatus is characterized in that the radial distance between the outer side pipe wall and the inner wall of the cylinder body of the condensation pipe is set to be 3.6-4.2cm. The invention has simple structure and convenient operation.

Description

Technical field: [0001] The invention relates to a molecular still. technical background: [0002] Molecular distillation technology relies on the mean free path difference of different molecules to achieve the separation of substances under vacuum conditions. Because it has incomparable advantages of traditional distillation, such as low distillation temperature, low distillation pressure, short material residence time, good separation effect, etc., it is suitable for high molecular weight, high boiling point, high viscosity substances and thermally stable organic compounds. Concentration and purification are widely used in the purification and separation of substances in petrochemical, pharmaceutical and health care, food industry and other fields. Molecular still is the main equipment of molecular distillation technology. [0003] The existing molecular still has its disadvantages. There is only one type of motor speed, which is only suitable for the purification or sep...

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Problems solved by technology

[0003] The existing molecular still has its disadvantages. There is only one type of motor speed, which is only suitable for the purification or separation of one type of substance, and the utilization rate of the equipment is low; The shortest distance in the radial direction is more than 4.5cm, so that enough heat energy must be provided to enable the material molecules to obtain leaping kinetic energy to achieve the purpose of separation and condensation; however, the demand for heat energy will inevitably lead to an increase in the heating temperature in the jacket, and in practice The high temperature of 150 degrees will not only consume a lot of energy, but also affect the molecular structure and product quality, and reduce the precision of purification; the existing centrifugal molecular stills are not only complex in structure, but also have high requirements for mechanical parts , maintenance is inconvenient, and it is only suitable for specific occasions

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