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Horizontal spiral stirring leaching tank and tank group and leaching method thereof

A horizontal spiral, stirring leaching technology, applied in chemical instruments and methods, separation methods, countercurrent extraction, etc., can solve the problems of many equipment, complicated operations, low separation efficiency, etc., to improve resource value, increase specific surface area, improve The effect of mass transfer rate

Active Publication Date: 2019-04-19
赵履祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method uses many traditional equipment, such as using a three-legged centrifuge for solid-liquid separation, which is complicated to operate and low in separation efficiency.

Method used

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  • Horizontal spiral stirring leaching tank and tank group and leaching method thereof
  • Horizontal spiral stirring leaching tank and tank group and leaching method thereof
  • Horizontal spiral stirring leaching tank and tank group and leaching method thereof

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Embodiment Construction

[0019] Depend on figure 1 , 2, 5, a horizontal spiral stirring leaching tank and its tank group, which includes a tank body 3 with a jacket 14, an agitator 7 connected to a drive mechanism 13, a feed inlet 6, a liquid inlet 11, and a steam outlet 4 , cleaning port 5, feed liquid outlet 15, etc. The tank body 3 is a horizontal cylinder with a jacket 14 or a tank with a U-shaped cross section with flange covers 2 at both ends, and the agitator 7 is formed by the passing method. The shaft 9 of the shaft hole of the blue cover 2, the support rod 8, and the ribbon-shaped spiral blades 10 and 12 are composed. The agitator 7 adopts a double-layer spiral ribbon blade structure. The outer spiral blade 10 turns and pushes the solid particles in the feed liquid from one end to the feed liquid outlet 15, while the inner spiral blade 12 turns and pushes the solid particles in the opposite direction. In addition to single-tank leaching, when a double-tank tank group leaching is set, the t...

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Abstract

The invention relates to a horizontal spiral stirring leaching tank and a tank group and a leaching method thereof, and belongs to the technical field of extraction and production of natural medicines. The stirrer of the leaching tank adopts a double-layer spiral belt structure, and the directions of solid-phase particles in feeding liquids turned and pushed by inner ring and outer ring spiral belt blades are opposite, so that a liquid-phase solvent is fully contacted with the surface of the solid-phase particles for friction elution. A tank group counter-current centrifugal leaching method with appropriate crushing degree and lower heating temperature is selected, multi-stage countercurrent leaching and interstage sufficient solid-liquid separation are performed, a former tank leaching solution is used as a later tank leaching solvent for alternate use, a large amount of solvent are saved, the subsequent production load is reduced, and under the condition of keeping and constantly creating a concentration difference, a diffusion boundary layer is thinner or faster to renew, so that the leaching production yield is high, the product quality is good, the cost is low, the economic benefit is good, and GMP standard requirements such as thorough cleaning of equipment and in-batch leached products can be met.

Description

Technical field: [0001] The invention relates to a horizontal spiral stirring leaching tank and its tank group and leaching method, which belongs to the technical field of natural medicine (such as traditional Chinese medicine) extraction production, and is suitable for requiring low heating temperature, short heating time, reducing input and increasing output. And it meets the requirements of GMP standard requirements such as equipment can be thoroughly cleaned and products are divided into batches for leaching production of natural medicines. Background technique: [0002] The leaching tank (also known as the extraction tank) is the key to the extraction and production of natural medicines (especially traditional Chinese medicines). Because vertical leaching tanks are relatively simple to operate in the leaching process, most related companies in my country still widely use this type of tank. This type of tank with a jacket has a large length-to-diameter ratio, uneven hea...

Claims

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Application Information

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IPC IPC(8): B01D11/02
CPCB01D11/02B01D11/0284B01D2011/002B01D11/0257
Inventor 赵履祥
Owner 赵履祥
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