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Refined sugar clarification device

A clarification device and sugar refining technology, which is applied in sugar products, sucrose production, sugar production, etc., can solve the problems of poor clarification effect of back-dissolving syrup and low service life of ion exchange resin, so as to prolong the membrane cleaning cycle and achieve good clarification effect , the effect of slow attenuation

Active Publication Date: 2015-07-29
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a refined sugar clarification device to solve the technical problems of poor clarification effect of re-dissolved syrup and low service life of ion exchange resin in the traditional refined sugar clarification process

Method used

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Examples

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Effect test

Embodiment 1

[0026] A refined sugar clarification device, including raw molasses washing equipment 1, sugar dissolving tank 3, No. 1 carbon filling tank 27, No. 2 carbon filling tank 23, plate and frame filter press 7, multi-stage ceramic membrane Microfiltration system 20 , plate heat exchanger 31 , first ion exchange resin tower 11 and second ion exchange resin tower 13 .

[0027] The specific connection method is as follows,

[0028] The honey washing raw sugar outlet 2 of the raw molasses washing equipment is connected to the sugar dissolving tank 3 through a spiral conveying tank, and the remelting syrup outlet 5 of the sugar dissolving tank is connected to the syrup inlet 26 of the No. 1 carbon filling tank, and the No. 1 carbon filling tank The syrup outlet 24 is connected with the syrup inlet 30 of the No. 2 carbon-filled tank, the syrup outlet 22 of the No. 2 carbon-filled tank is connected with the plate-and-frame filter press inlet 6, and the plate-and-frame filter press filtrat...

Embodiment 2

[0038] This embodiment is a specific example of production using the refined sugar clarification device of the present invention, and the specific operation steps are:

[0039] (1) Honey washing: Put the raw sugar into the top-suspension centrifugal honey separator, use R 4 Molasses cleans the pigment on the surface of raw sugar to obtain honey-washed raw sugar;

[0040] (2) Dissolving sugar: dissolving the honey-washed raw sugar with 85°C washing filter cloth water in a sugar-dissolving box to obtain 65.0°Bx back-dissolving syrup for subsequent use;

[0041] (3) Carbon filling: first pump the remelted syrup to the No. 1 carbon filling tank, and add lime milk and carbon dioxide to the No. The carbon-filled syrup is pumped to the No. 2 carbon-filled tank, and carbon dioxide is continued to be filled into the No. 2 carbon-filled tank to obtain the 2-carbon-filled syrup for use. The alkalinity of the 1-carbon-filled syrup is 0.05 and the pH value is 11.0 , the pH value of the c...

Embodiment 3

[0048] This embodiment is another specific example of production using the refined sugar clarification device of the present invention, and the specific operation steps are:

[0049] (1) Honey washing: Put the raw sugar into the top-suspension centrifugal honey separator, use R 4 Molasses cleans the pigment on the surface of raw sugar to obtain honey-washed raw sugar;

[0050] (2) Dissolving sugar: dissolving the honey-washed raw sugar with 80°C washing filter cloth water in a sugar-dissolving box to obtain 60.0°Bx back-dissolving syrup for subsequent use;

[0051] (3) Carbon filling: first pump the remelted syrup to the No. 1 carbon filling tank, and add lime milk and carbon dioxide to the No. The carbon-filled syrup is pumped to the No. 2 carbon-filled tank, and carbon dioxide is continued to be filled into the No. 2 carbon-filled tank to obtain the 2-carbon-filled syrup for use. The alkalinity of the 1-carbon-filled syrup is 0.03 and the pH value is 10.5. , the pH value o...

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Abstract

The invention discloses a refined sugar clarification device which comprises a device for washing raw molasses, a sugar melting box, a first carbonating tank, a second carbonating tank, a plate-and-frame filter press, a multistage ceramic membrane microfiltration system, a plate heat exchanger, a first ion-exchange resin tower and a second ion-exchange resin tower, which are connected in sequence. Based on the conventional refined sugar clarification technologies and devices, the refined sugar clarification device is additionally provided with the ceramic microfiltration membrane which can clarify remelt syrup carbonated and filtered by the plate-and-frame filter press, so that the turbidity of the remelt syrup before entering the ion-exchange resin is reduced and the service life of the ion-exchange resin is prolonged.

Description

technical field [0001] The invention relates to a refined sugar clarification device, which belongs to the technical field of sugar production engineering. technical background [0002] In the clarification process of refined sugar, the traditional method is to remove 40% to 50% of the pigment in the raw sugar by washing with honey, and then dissolve the raw sugar to obtain a re-dissolved syrup, and then use carbon saturation and filtration or phosphoric acid floating and filtration The method removes 40% to 60% of the remaining pigment in the re-dissolved syrup, and finally uses an ion exchange resin to desalt and decolorize the re-dissolved syrup. After crystallization, a product with a purity of about 99.9% can be obtained. However, the turbidity of the re-dissolved syrup after carbon saturation and filtration or phosphoric acid floatation and filtration is still high, and it is easy to contaminate the ion exchange resin in the subsequent process, which not only increases...

Claims

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Application Information

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IPC IPC(8): C13B20/00C13B20/16C13B20/14C13B20/06C13B50/00
CPCC13B20/005C13B20/06C13B20/142C13B20/165C13B50/00
Inventor 李凯李文黄玭杭方学陆海勤李红陆登俊谢彩锋项俊华
Owner GUANGXI UNIV
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