Xylose-mother-liquid continuous full-filling impunity-removing device and method

A technology of xylose mother liquor and full filling, which is applied in the direction of xylose production, sugar production, sugar production, etc., can solve the problems of low utilization rate, long filling time, low degree of automation, etc., to improve efficiency and reduce pressure , the effect of simple operation

Pending Publication Date: 2019-03-01
ZHEJIANG HUAKANG PHARMA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The filling device used in the existing sugar factory basically has a long filling time and CO 2 Low utilization rate, uneven reaction, discontinuous feeding and discharging, unstable pH control of sugar liquid, and low degree of automation
So there is no good continuous filling and impurity removal equipment

Method used

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  • Xylose-mother-liquid continuous full-filling impunity-removing device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] With pH: 3.5, refraction 60%, xylose content 52%, flow rate 10m 3 The xylose mother liquor of / h is example carry out filling according to the method of the present invention.

[0050] The first step is to monitor through the first online pH sensor 18, and chain control Ca(OH) 2 The flow rate is 50L / h, the frequency of the lye pump 12 is controlled at 36Hz, and the chain control adjusts the pH value of the xylose mother liquor to 9.5.

[0051] In the second step, the pH value of the xylose mother liquor is continuously stepped down through the process of the first-level continuous filling unit 2 and the second-level control unit 2'. The first-stage continuous filling unit 2 is monitored by the online second pH sensor 26, and the CO chain is controlled 2 The opening of the feed regulating valve is 60%, the flow rate is 22L / h, and the chain control adjusts the pH value of the xylose mother liquor to 8.0. Then carry out the second level control unit 2', through the moni...

Embodiment 2

[0055] Take pH: 4.0, refraction 65%, xylose content 55%, flow rate 10m 3 The xylose mother liquor of / h is example carry out filling according to the method of the present invention.

[0056] The first step is to monitor through the first online pH sensor 18, and chain control Ca(OH) 2 The flow rate is 40L / h, the frequency of the lye pump 12 is controlled at 30Hz, and the chain control adjusts the pH value of the xylose mother liquor to 10.

[0057] In the second step, the pH value of the xylose mother liquor is continuously stepped down through the process of the first-level continuous filling unit 2 and the second-level control unit 2'. The first-stage continuous filling unit 2 is monitored by the online second pH sensor 26, and the CO chain is controlled 2 The opening of the feed regulating valve is 70%, the flow rate is 25L / h, and the chain control adjusts the pH value of the xylose mother liquor to 8.5. Then carry out the second level control unit 2', through the monit...

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Abstract

The invention relates to a xylose-mother-liquid continuous-full-filling impunity-removing device and method. The device comprises an alkali adding unit, a continuous full-filling unit, a discharging control unit, a CO2 feeding station, a steam station and a tank after full filling, wherein the alkali adding unit is used for adding Ca(OH)2 alkali liquor into xylose mother liquid; the continuous full-filling unit is used for introducing CO2 fed by the CO2 feeding station into the xylose mother liquid added with alkali for full filling mixing to remove colloid and colloid impurities in the xylosemother liquid; the discharging control unit is used for introducing the CO2 fed by the CO2 feeding station and steam delivered from the steam station into the xylose mother liquid after full filling,and the pH value of the xylose mother liquid after full filling is controlled and stabilized; the tank after full filling is used for collecting and temporarily storing the xylose mother liquid afterfull filling and impunity-removing to be ready to enter the next process. The invention also discloses a method with the device. According to the xylose-mother-liquid continuous-full-filling impunity-removing device and method, the pH of the xylose mother liquid is continuously adjusted and stabilized, feeding and discharging are continuous, the automatic degree of the device is high, continuousuninterrupted production is achieved, and the production efficiency can be improved.

Description

technical field [0001] The invention belongs to the technical field of recycling xylose mother liquor, and relates to a device and method for continuously filling and removing impurities with xylose mother liquor. Background technique [0002] Xylose is a five-carbon sugar made from corn cobs through hydrolysis, crystallization and refining. The xylose mother liquor left after xylose crystallization contains about 50% xylose. At present, there are many manufacturers producing xylose in China. With the increase of xylose production, a large number of by-products - xylose mother liquor will also increase. Every ton of crystal xylose produced will get nearly one ton of xylose mother liquor. The composition of the xylose mother liquor was determined, and the xylose mother liquor mainly contained xylose, arabinose, glucose, galactose and other sugar components, and also contained some colloids, pigments and other impurities. At present, many manufacturers sell xylose mother li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C13K13/00
CPCC13K13/002D21C11/00
Inventor 罗家星罗国伟廖承军江松涛周元陈德水柳志强张晓健郑裕国李勉
Owner ZHEJIANG HUAKANG PHARMA
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