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Continuous distillation and extraction device

An extraction device and distillation tube technology, applied in the field of extraction devices, can solve the problems of low extraction efficiency, high-temperature pyrolysis, oxidation, etc., and achieve the effects of convenient operation, reduced water vapor backflow, and easy processing

Active Publication Date: 2017-09-26
CHINA TOBACCO HEBEI INDUSTRIAL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional SDE method still has certain limitations: first, the sample components are prone to side reactions such as high-temperature pyrolysis and oxidation due to contact with the wall of the high-temperature flask during the extraction process; Component extraction efficiency is low

Method used

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  • Continuous distillation and extraction device
  • Continuous distillation and extraction device

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Embodiment Construction

[0018] The present invention takes dichloromethane as the extract phase / heavy phase and water as the light phase as an example, and further describes the present invention.

[0019] Such as figure 1 , figure 2 As shown, this continuous distillation extraction device that can improve the extraction rate of volatile and semi-volatile components includes an aqueous phase distillation vessel 1, an organic phase distillation vessel 14, a first distillation tube 8, a second distillation tube 11, and mixed extraction. The condensing chamber 10 and the U-shaped stratified reflux pipe 15. One end of the U-shaped stratified reflux pipe 15 passes through the second metering bottle 12 and the second siphon 13 and then connects with the second distillation pipe 11, and the U-shaped stratified reflux pipe 15 The other end passes through the first reflux tube 7 and the first siphon tube 4 in turn, and then connects with the first distillation tube 8. The first distillation tube 8 and the water...

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Abstract

The invention discloses a continuous distillation and extraction device capable of increasing the extraction rate of volatile and semi-volatile components. The device is characterized in that a distillation flask is connected in series between a first distillation pipe and a water-phase distillation container, wherein a sieve plate is arranged at the bottom of the distillation flask, sieve pores are uniformly distributed in the sieve plate, the sieve plate is fixedly connected with the distillation flask, a distillate reflux extension tube is connected to the lower end of a first siphon in a sleeving manner, and the distillate reflux extension tube leads into the water-phase distillation container after penetrating through a center hole of the sieve plate. According to the device, volatile and semi-volatile components in a plant raw material with a relatively thin cell wall can be stably and efficiently extracted, respective advantages of a simultaneous distillation-extraction method and a water distillation method are maintained, in addition, the device also has the characteristics of high continuity, high extraction efficiency and well reservation of the volatile and semi-volatile components, is simple in structure, convenient to operate and easy to machine, and is a more efficient water distillation and extraction device, the water distillation method is organically combined with the simultaneous distillation-extraction method, and thermal decomposition reaction is reduced, thereby restoring the essential characteristic of the extracted components.

Description

Technical field [0001] The invention relates to an extraction device. Background technique [0002] Steam distillation is a traditional method of extracting volatile and semi-volatile components from plants. It is divided into water distillation, water distillation and water vapor distillation. The most common application is water distillation, such as the classic simultaneous distillation extraction and volatile oil. Extraction etc. [0003] Although the equipment for distillation in water is simple, easy to operate, and stable, the distillate needs to be subjected to liquid-liquid extraction again. The limited number of extractions has a lower extraction rate for substances with higher partition coefficients in water; at the same time, this method has good water solubility , The extraction rate of components that are poorly volatile and cannot be co-distilled with water is low. [0004] Water distillation is a method in which water vapor is introduced from the bottom of the sampl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B9/02
CPCC11B9/025C11B9/027Y02P10/20
Inventor 王龙李杰辉苏国岁解民褚增强吴穹曼王刘胜
Owner CHINA TOBACCO HEBEI INDUSTRIAL CO LTD
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