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Thermal-refluxing Chinese-medicinal extraction concentrator

A heat reflux, concentrator technology, applied in solid solvent extraction, evaporation, chemical instruments and methods, etc., can solve the problems of unsmoothness, instability, easy blockage of the filter screen, etc., to prevent unstable liquid inlet and smooth liquid outlet. Effect

Inactive Publication Date: 2009-02-04
江苏天宇伟业科技有限公司
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Problems solved by technology

[0002] On the National Intellectual Property Patent Retrieval webpage, a traditional Chinese medicine thermal reflux extraction and concentration unit with the application number 200410058127 and the publication date of March 23, 2005 is disclosed. The bottom of the extraction tank is connected to the bottom of the concentrator through a liquid connecting pipe. The position of the extraction tank is higher than that of the concentrator. The liquid in the extraction tank enters the heater through the liquid connecting pipe depending on the potential difference. When the liquid enters the heater to concentrate, it is easy to generate air blockage, not smooth and unstable
At the same time, because there is only one layer of filter screen in the extraction tank, the filter screen is easy to be blocked when extracting Chinese medicines containing small particles and substances that are easy to gelatinize, and it is very difficult to discharge the liquid.

Method used

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Embodiment Construction

[0010] Figure 1- image 3 As shown, the present embodiment comprises an extraction tank (7) and a concentrator mainly composed of a heater (10) and an evaporator (9), and two layers of detachable filters are arranged in the lower opening cover (3) of the extraction tank. One layer is a stainless steel filter plate (1), the filter plate is evenly distributed with φ3mm filter holes (8), it can choose the aperture and mesh number according to the material characteristics, and the other layer is a 80-120 mesh stainless steel wire mesh filter plate (2) , both of them can be installed up and down, easy to install, easy to disassemble, easy to clean. Such as figure 2 As shown, the liquid outlet of the extraction tank is connected to the input end of the feed liquid pump (5) through the duplex filter (4), and the output end of the feed liquid pump is divided into two paths, one is connected with the heater, and the other is the return flow of the pipe (6) The port is tangentially co...

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Abstract

A machine for thermal reflux extraction and concentrating of Chinese medicine features that a plate filter made of stainless steel and with many big holes is arranged in the space inside the bottom cover of extractor, the liquid outlet of said extractor is connected via double filter to the inlet of liquid pump, and the outlet of said liquid pump is respectively connected to heater and the cavity of extractor.

Description

technical field [0001] The invention relates to pharmaceutical machinery, in particular to a heat reflux extracting and concentrating machine for traditional Chinese medicine. Background technique [0002] On the National Intellectual Property Patent Retrieval webpage, a traditional Chinese medicine thermal reflux extraction and concentration unit with the application number 200410058127 and the publication date of March 23, 2005 is disclosed. The bottom of the extraction tank is connected to the bottom of the concentrator through a liquid connecting pipe. The position of the extraction tank is higher than that of the concentrator. The liquid in the extraction tank enters the heater through the liquid connecting pipe depending on the potential difference. When the liquid enters the heater to concentrate, it is easy to generate air blockage, not smooth and unstable. Simultaneously, because there is only one deck of filter screen in the extraction tank, the filter screen is e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D11/02B01D1/00
Inventor 沈永贤
Owner 江苏天宇伟业科技有限公司
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