Extraction tower used for ethyl vanillin

A technology of ethyl vanillin and extraction tower, which is applied in liquid solution solvent extraction, separation/purification of carbonyl compounds, essential oils/fragrances, etc. It can solve problems such as difficulty in starting the motor and achieve an easy start-up effect

Inactive Publication Date: 2016-01-13
CHONGQING THRIVE CHEM
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of extraction tower that is used for ethyl vanillin, to solve the difficult problem of motor starting in the extraction tower

Method used

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  • Extraction tower used for ethyl vanillin
  • Extraction tower used for ethyl vanillin

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Embodiment Construction

[0013] The present invention will be described in further detail below by means of specific embodiments:

[0014] The reference signs in the drawings of the description include: tower body 10, heavy liquid inlet 101, light liquid inlet 102, raffinate phase outlet 103, extract phase outlet 104, stirring shaft 20, sieve plate 30, filter plate 40, water wheel 50 .

[0015] Such as figure 1 , figure 2 As shown, the extraction tower for ethyl vanillin includes a tower body 10, and a heavy liquid inlet 101 and a light liquid inlet 102 are arranged on the left side wall of the tower body 10. The raffinate phase outlet 103 is arranged at the bottom of the tower body 10 , and the extract phase outlet 104 is arranged at the top of the tower body 10 . A stirring shaft 20 is arranged in the center of the tower body 10, and the stirring shaft 20 is connected to the output end of the motor. Eight layers of turntables are welded on the stirring shaft 20 , and sieve plates 30 interlaced ...

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Abstract

The invention belongs to the field of extraction of chemical compounds, and specifically discloses an extraction tower used for ethyl vanillin. The extraction tower comprises a tower body; the side wall of the tower body is provided with a heavy liquid inlet, a light liquid inlet, a raffinate phase outlet and an extraction phase outlet; the center of the interior of the tower body is provided with a stirring shaft which is provided with a plurality of layers of swivel plates; the inner wall of the tower body is provided with a plurality of sieving plates which are in staggered arrangement with the swivel plates, wherein water wheels are coaxially arranged on the stirring shaft, and a water wheel directly faces the heavy liquid inlet. Compared with an ordinary extraction tower, the extraction tower provided by a scheme of the invention has the following advantages: the stirring shaft is in a rotating state when the heavy liquid enters the interior of the extraction tower, so good pre-stirring effects to the heavy liquid and the light liquid are obtained; meanwhile, due to the rotating state of the stirring shaft, when a motor is needed to be started, the motor can be easily started without other additional forces.

Description

technical field [0001] The invention belongs to the field of compound extraction, in particular to an extraction tower for ethyl vanillin. Background technique [0002] Ethyl vanillin, also known as ethyl vanillin, is a white to light yellow scaly crystalline powder with a sweet chocolate aroma and the unique aroma of vanillin. It is basically non-toxic and widely used in spices, cosmetics, and food additives , medicine and other industries. Currently ethyl vanillin is mostly prepared by the glyoxylic acid method: acetaldehyde guaiacol and hydrated glyoxylic acid are condensed under alkaline conditions at 30-33°C, the product is acidified and then unreacted acetoxylate is extracted with a solvent. Base guaiacol, add NaOH solution, add Cu(OH)2 and m-nitrobenzenesulfonic acid, heat to 1000°C, and carry out oxidative cracking chemical reaction. The oxide is neutralized, the ethyl vanillin is extracted with an organic solvent, the product is obtained by vacuum distillation and...

Claims

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Application Information

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IPC IPC(8): B01D11/04B01F7/26C11B9/00C07C47/575C07C45/80B01F27/93
Inventor 刘端赵华文
Owner CHONGQING THRIVE CHEM
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