Distribution method by utilizing multistation material distributing valve
A distribution method and multi-station technology, applied in separation methods, chemical instruments and methods, solid adsorbent liquid separation, etc., can solve problems such as being unsuitable for large-scale installations, and achieve the effect of being easy to scale up and reducing costs.
Active Publication Date: 2011-04-27
SHANGHAI PUDONG HANWEI VALVE
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Problems solved by technology
People in the industry believe that this method is effective for small separation devices, and has great advantages for small experimental devices whose specific separation process procedures have not been determined, but it is not suitable for large-scale devices
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[0032] The lower end of the drive shaft 500 is inserted into the center hub of the turntable 200 and the center hole of the fixed disk 100, and is fixedly connected with the turntable 200 to drive the turntable and the sealing plate to rotate and step around the center of the fixed disk.
[0033] Because this embodiment is aimed at chromatographic separation, according to the process requirements, the separation column is divided into 24 beds, and 7 different materials enter or are extracted from each bed, so the upper surface of the fixed plate is provided with 7 concentric annular grooves, and the fixed plate is 100 There are seven concentric annular grooves 160 on the upper surface of the upper surface, and a channel 110 is provided at the bottom of each concentric annular groove 160, passing through the fixed plate 100; the material pipeline 140 is connected to the bottom of the channel 110 to form a passage; the channel 110 is fan-shaped , the connecting portion 150 of the...
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The invention provides a distribution method by utilizing a multistation material distributing valve, comprising the following steps: 1. feeding: pressing materials into a bed layer of a separation column through a first material pipeline; 2. feeding a pipeline washing liquid: pressing the washing liquid into the bed layer of the separation column through a second material pipeline; 3. feeding secondary washing liquid: pressing a second kind of washing liquid into the bed layer of the separation column through a third material pipeline; 4. extracting an extract liquid: extracting the extract liquid from the bed layer of the separation column; 5. extracting the pipeline washing liquid: extracting the washing liquid from the bed layer of the separation column; 6. feeding a de-adsorbed liquid: pressing the de-adsorbed liquid into the bed layer of the separation column through a sixth material pipeline; and 7. extracting residual liquid: extracting the residual liquid from the bed layer of the separation column. By utilizing the multistation material distributing valve and the fixed separation column, the complex distribution of various materials can be completed, thus the work efficiency can be effectively improved and the separating agent dosage is reduced; the whole distribution system only needs a distributing valve and thus has high reliability; and the separation column is fixed and the whole separation device is easy to be in large scale.
Description
technical field [0001] The invention relates to a material distribution method, in particular to a multi-station material distribution valve distribution method for adsorption separation and chromatographic separation processes in petrochemical and biochemical industries. Background technique [0002] In industry, the purpose of chemical separation processes such as adsorption separation and chromatographic separation is to separate high-purity products and by-products. The obvious common point is that the solid separation agent and the liquid mixture are used for adsorption after passing through, and then must be desorbed to make the separation operation go on. At the same time, the operation is divided into several processes, which are repeated according to the prescribed procedures and cycles. All of them require complex Process flow and material distribution procedures. [0003] At present, the main material distribution methods of the above-mentioned chemical separatio...
Claims
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IPC IPC(8): B01D15/14B01D15/24
Inventor 王志明
Owner SHANGHAI PUDONG HANWEI VALVE