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Reflux extraction and vacuum concentration integrated device adopting compressed-air expansion cooling

A technology of expansion refrigeration and reflux extraction, applied in chemical instruments and methods, evaporator adjustment/control, evaporator accessories, etc., can solve the problems of cumbersome operation, loss, and secondary pollution of samples, and achieve simple overall structure and convenient movement , the effect of simplifying the operation steps

Inactive Publication Date: 2017-01-04
SHANGHAI RES INST OF CHEM IND +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the indirect transfer of these two sets of devices is relatively cumbersome to operate, and it is easy to cause secondary pollution and sample loss during sample transfer.

Method used

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  • Reflux extraction and vacuum concentration integrated device adopting compressed-air expansion cooling

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Embodiment

[0028] like figure 1 As shown, a compressed air expansion refrigeration type reflux extraction decompression concentration integrated device, the device includes an electric heating control box 1, a heater 2 electrically connected to the electric heating control box 1, arranged in the heater 2 and containing the extraction liquid The container 3, the drip filter material container 4 arranged on the upper part of the inner cavity of the container 3, the gas phase rising column 5 which is vertically arranged and communicated with the container 3, and the expansion column connected with the gas phase rising column 5 in turn Refrigeration unit and air cooling unit.

[0029] Wherein, the expansion refrigeration unit includes a clamshell expansion refrigeration chamber 7 and a serpentine condenser tube 6 arranged in the clamshell expansion refrigeration chamber 7. The through valve 10 communicates with the dripper 9 and the extraction liquid recovery device 11 located above the tri...

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Abstract

The invention relates to a reflux extraction and vacuum concentration integrated device adopting compressed-air expansion cooling. The device comprises an electric heating control cabinet, a heater electrically connected with the electric heating control cabinet, an accommodating device arranged in the heater and used for accommodating an extraction liquid, a trickling filtration type material container arranged at the upper part of an inner cavity of the accommodating device, a gas phase rising column communicating with the accommodating device as well as an expansion cooling unit and an air cooling unit which communicate with the gas phase rising column sequentially, wherein the expansion cooling unit comprises a clamshell type expansion cooling chamber and an S-shaped condenser pipe arranged in the clamshell type expansion cooling chamber, the top of the S-shaped condenser pipe communicates with the gas phase rising column, and the bottom of the S-shaped condenser pipe communicates with a dripper located above the trickling filtration type material container and an extraction liquid recoverer. Compared with the prior art, the overall structure is simple and compact, the reflux extraction step can be conveniently switched to the vacuum concentration step, operation steps are simplified, the sample loss is reduced, and the device is safe and reliable.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and relates to a reflux extraction, decompression and concentration integrated device, in particular to a compressed air expansion refrigeration type reflux extraction, decompression and concentration integrated device. Background technique [0002] Soxhlet extraction, also known as continuous extraction and Soxhlet extraction, is a method for extracting compounds from solid substances. Soxhlet extraction method for the determination of crude fat content. Fat widely exists in the seeds and fruits of many plants, and the determination of fat content can be used as an indicator to identify its quality. At present, extraction methods are commonly used at home and abroad, among which the Soxhlet extractor method is a recognized classic method, and it is also the preferred standard method for grain and oil fractionation in my country. This method takes a long time, and fat extractors (Soxh...

Claims

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Application Information

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IPC IPC(8): B01D1/00B01D1/30
CPCB01D1/0082B01D1/30
Inventor 刘刚盛夏张小沁
Owner SHANGHAI RES INST OF CHEM IND
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