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Hemicellulose preparation device capable of recycling additive

A technology of hemicellulose and preparation equipment, which is applied in the direction of filtration circuit, filtration separation, evaporation, etc., can solve the problems of wasting ethanol, etc., and achieve the effects of increasing extraction volume, high production efficiency, and high ethanol purity

Inactive Publication Date: 2018-05-18
CHENGDU SINESTONR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that a large amount of ethanol will be wasted after ethanol precipitates hemicellulose, and the purpose is to provide a hemicellulose preparation device with recyclable additives to solve the problem of wasting a large amount of ethanol in the process of hemicellulose extraction

Method used

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  • Hemicellulose preparation device capable of recycling additive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 1 As shown, the hemicellulose preparation device of the present invention that can recover additives includes a sedimentation tank 1, the top of the sedimentation tank 1 is connected with at least two liquid storage bottles 2 filled with ethanol, and the top of the sedimentation tank 1 is equipped with a nozzle 3, Each liquid storage bottle 2 is connected with a connecting pipe 5, and all the connecting pipes 5 are connected to the liquid inlet pipe of the nozzle 3, and each connecting pipe 5 is provided with a valve 4, and the liquid inlet pipe of the nozzle 3 is connected with the first A flow meter 6, the bottom side wall of the sedimentation tank 1 is connected with a horizontally placed drain pipe 7, and the inner wall of the sedimentation tank 1 is provided with a first filter screen 15 that completely covers the water inlet of the drain pipe 7, and the drain The pipe 7 is connected to the evaporating tank 8, and the evaporating tank 8 is placed on ...

Embodiment 2

[0025] Based on Embodiment 1, the second filter screen 17 placed horizontally is installed inside the sedimentation tank 1, and one end of the second filter screen 17 is connected with the first filter screen 15, and the other end of the second filter screen 17 is connected with the sedimentation tank 1 inner wall. connect. The surfaces of the second filter screen 17 and the first filter screen 15 are fully covered with filter paper. The first filter screen cooperates with the second filter screen to filter the hemicellulose, preventing the hemicellulose from entering the evaporation tank.

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Abstract

The invention discloses a hemicellulose preparation device capable of recycling an additive. The hemicellulose preparation device comprises a sedimentation tank, wherein the top of the sedimentation tank is connected with at least two liquid storage bottles filled with ethanol; a spraying nozzle is mounted in the sedimentation tank; each liquid storage bottle is connected with a connecting pipe; all the connecting pipes are communicated to the spraying nozzle; each connecting pipe is provided with a valve; a liquid feeding pipe of the spraying nozzle is connected with a first flow meter; a side wall of the bottom of the sedimentation tank is communicated with a liquid discharging pipe which is horizontally arranged; a first filtering screen for completely covering a water inlet of the liquid discharging pipe is arranged on an inner side wall of the sedimentation tank; the liquid discharging pipe is communicated to an evaporation tank; the top of the evaporation tank is communicated with a gas outlet pipe; the gas outlet pipe is communicated with a condensation pipe which is downward and obliquely arranged; a recycling groove, which is connected with a liquid outlet of the condensation pipe, is formed below the condensation pipe; the liquid discharging pipe is connected with a second flow meter and a solenoid valve; the flow readings of the second flow meter and the first flow meter are the same. By adopting the hemicellulose preparation device, the extracting amount of hemicellulose is improved.

Description

technical field [0001] The invention relates to a production device, in particular to a hemicellulose preparation device with recyclable additives. Background technique [0002] Hemicellulose is a heterogeneous polymer composed of several different types of monosaccharides, five- and six-carbon sugars, including xylose, arabinose, and galactose. Hemicellulose xylan, which accounts for 50% of the total in woody tissues, is bound to the surface of cellulose microfibrils and interconnected, and these fibers form a rigid network of interconnected cells; hemicellulose has hydrophilic properties , which causes swelling of the cell wall, which imparts elasticity to the fiber. [0003] At present, hemicellulose can be used to prepare xylooligosaccharides, or as dietary fiber; when extracting hemicellulose, ethanol precipitation is generally used to realize the extraction of hemicellulose; however, in existing devices, ethanol precipitation of hemicellulose After extraction, in the...

Claims

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Application Information

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IPC IPC(8): C08B37/14B01D36/04B01D1/00
CPCC08B37/0003B01D1/00B01D36/04
Inventor 陈拙夫
Owner CHENGDU SINESTONR TECH