Extraction device and extraction method for volatile plant essential oil

An extraction device and extraction method technology, which is applied in the field of extraction devices for volatile plant essential oils, can solve problems such as low extraction efficiency of essential oil components, insufficient steam condensation capacity, and increased condensate output, and achieve energy saving and consumption reduction. Promotion prospect, effect of heat load demand drop
CN109207262AActive Publication Date: 2019-01-15WUHAN POLYTECHNIC UNIVERSITY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
WUHAN POLYTECHNIC UNIVERSITY
Publication Date
2019-01-15

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Abstract

An extraction device and an extraction method for volatile plant essential oil are disclosed. The device includes a distillation kettle, a gas phase booster pump, a partial condensation and liquid separation unit and a gas phase circulating pipeline. An outlet of the distillation kettle communicates with an inlet of the gas phase booster pump. An outlet of the gas phase booster pump communicates with an inlet of the partial condensation and liquid separation unit. The top of the partial condensation and liquid separation unit communicates with the distillation kettle through the gas phase circulating pipeline provided with a valve. The partial condensation and liquid separation unit is provided with an essential oil product outlet and an aromatic water outlet. The device can effectively increase the extraction efficiency of volatile essential oil, can greatly reduce steam consumption, can be achieved through upgrading and rebuilding a conventional industrial steam distillation device and has a wide application and promotion prospect.
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Description

technical field

[0001] The invention belongs to the technical field of essential oil extraction, and more specifically relates to an extraction device and an extraction method of volatile plant essential oil. Background technique

[0002] Plant essential oils are natural specialty chemicals that have attracted wide attention. They usually have unique odors and physiological and even pharmacological effects. They are widely used in medical, health care, daily chemical and food fields, and the market consumption scale is expanding rapidly. However, the current industrial extraction process of plant essential oils generally faces the problems of low resource utilization efficiency, high energy consumption and high cost. It is of great significance to develop high-efficiency separation technology and optimize its thermodynamic efficiency to solve these problems.

[0003] For the extraction of plant essential oils, the current mainstream industrial methods include steam distillat...

Claims

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