Control method of ethanol rectification process in traditional Chinese medicine automation

A technology of ethanol rectification and control method, which is applied in the field of control of ethanol rectification process in the automation of traditional Chinese medicine, and can solve the problems of no multi-level temperature feedback, scattered equipment structure, etc.

Inactive Publication Date: 2021-06-11
苏州吴淞江制药有限公司
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Problems solved by technology

[0004] The rectification tower equipment itself is equipped with a heating ethanol rectification tower. The structure of the equipment is relatively scattered. The temperature sensor of the rectification tower only has two temperatures at the top and bottom of the tower, and there is no multi-level temperature feedback.

Method used

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  • Control method of ethanol rectification process in traditional Chinese medicine automation
  • Control method of ethanol rectification process in traditional Chinese medicine automation
  • Control method of ethanol rectification process in traditional Chinese medicine automation

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Embodiment Construction

[0045] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0046] figure 1 The ethanol rectification process in the automation of traditional Chinese medicine is shown, the ethanol rectification process includes ethanol tank, distillation tank, rectification tower, ethanol recovery pump and ethanol recovery tower through which ethanol flows sequentially, and the rectification tower is also connected with Reflux tank and atmospheric column;

[0047] Wherein, the method for regulating evaporator in the rectifying tower includes the following three kinds:

[0048] 1) When the kettle temperature changes, adjust the kettle temperature to normal through the control of the heating steam volume of the evaporating kettle;

[0049] 2) Wh...

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Abstract

The invention relates to a control method of an ethanol rectification process in traditional Chinese medicine automation. The ethanol rectification process comprises that ethanol sequentially flows through an ethanol tank, a distillation tank, a rectification tower, an ethanol recovery pump and an ethanol recovery tower, and the rectification tower is also connected with a reflux tank and an atmospheric tower. The provided control method for the ethanol rectification process in the traditional Chinese medicineautomation has the advantages thatthe rectification rate is higher, mass production is facilitated, and the equipment cost is saved.

Description

technical field [0001] The invention relates to the field of biopharmaceuticals, in particular to a control method for ethanol rectification process in traditional Chinese medicine automation. Background technique [0002] For the construction process of automation projects, equipment and processes such as alcohol extraction, concentration, alcohol precipitation, etc., all need to involve ethanol technology. Especially some Chinese herbal medicines that need alcohol extraction. The ethanol rectification process is a very important part of it. It can re-rectify and extract the used ethanol to reduce waste and save costs. [0003] Ethanol rectification recovery mainly adopts physical method to evaporate ethanol and part of water by using the difference in boiling point of ethanol and water. The mixed steam of ethanol and water rises through the tower body, and passes through the packing of the ethanol rectification tower during the rising process. The temperature gradually d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/14B01D3/42C07C29/80C07C31/08
CPCB01D3/146B01D3/42C07C29/80C07C31/08
Inventor 贾建华葛曼曼郑铁橹徐航
Owner 苏州吴淞江制药有限公司
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