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Method for cleaning sugar preparing and boiling materials

A sugar cooking and cleaning technology, which is applied in sugar production, pretreatment of sugar raw materials, sucrose production, etc., can solve the problems of high impurity content in sugar cooking materials and low sugar recovery, achieve low inorganic ash content, and improve sucrose recovery , The effect of reducing the viscosity of the material

Active Publication Date: 2014-05-28
广西柳州中嘉知识产权服务有限公司 +1
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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 method for cleaning and treating sugar-cooking materials, which can solve the problems of high impurity content and low sugar recovery in existing sugar-cooking materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] This example is based on the common sulphite sugar production process using sugarcane as raw material, including the raw material sugarcane juice extraction, clarification, evaporation, three-line sugar cooking, crystallization, honey separation and drying processes. The cleaning method for the boiled sugar material is: the massecuite obtained in the three-series sugar boiling process is separated and sieved to obtain the first honey and the first washed honey, and mix the mixed honey stream with a purity of 73.5AP. Add it to a 40 cubic meter interlayer steam-heated dilution tank, dilute it to 64.5Bx with 65°C sugar process water, and then use steam to heat the diluted mixture to 70~72°C to flow into the floater, and use compressed air to pass it into the heated Froth and float in the honey, clear out the floating foam; add the honey that has removed the foam into the fast settler, and add 400ppm phosphoric acid and 450ppm calcium hydroxide into the fast settler to react...

Embodiment 2

[0023] This example is based on the common sulphite sugar production process using sugarcane as raw material, including the raw material sugarcane juice extraction, clarification, evaporation, three-line sugar cooking, crystallization, honey separation and drying processes. The cleaning method for the boiled sugar material is: add the massecuite produced in the three-series sugar boiling process to the 40 cubic meter layer of steam for heating and diluting. In the tank, dilute to 63.5Bx with 65°C sugar process water, and then heat the diluted honey to 74~76°C with steam to flow into the floater, pass compressed air into the heated honey to froth and float up, and remove the floating foam ;Add the honey that has been foamed into the fast settler, and add 800ppm phosphoric acid and 950ppm calcium hydroxide to the fast settler to react at the same time to form calcium hydrogen phosphate-calcium phosphate network sedimentation, and add 3.5ppm flocculant to the fast settler to assis...

Embodiment 3

[0025] This example is based on the common sulphite sugar production process using sugarcane as raw material, including the raw material sugarcane juice extraction, clarification, evaporation, three-line sugar cooking, crystallization, honey separation and drying processes. The cleaning treatment method for the boiled sugar material is: add the sugar paste obtained in the three-series sugar boiling process to the 49.5AP purity of the sugar syrup and sieve it into a 40 cubic meter interlayer steam heating dilution tank In the process, dilute to 63.0Bx with 65°C sugar refining process water, then heat the diluted honey to 78~80°C with steam and flow into the floater, use compressed air to pass into the heated honey to froth and float up, and remove the floating foam; Put the foam-free honey into the fast settler, and at the same time add 1500ppm phosphoric acid and 1800ppm calcium hydroxide to the fast settler to react to form calcium hydrogen phosphate-calcium phosphate network ...

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PUM

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Abstract

The invention discloses a method for cleaning sugar preparing and boiling materials, and relates to the technical field of sugar preparation. The method comprises the following steps of: diluting honey formed by crystallization, purging and sieving of massecuite decocted in a three line sugar boiling step; heating the diluted honey; introducing compressed air to get blisters and float, and cleaning floated foams; stirring and mixing phosphoric acid with calcium hydroxide which is 1.0-1.2 times of phosphoric acid in equivalent to react and cleaning the foams in honey to form calcium hydrophosphate-calcium phosphate network settlement; and adding a flocculant to absorb suspended particle impurity settlement in the honey in an assistant manner to obtain cleaned syrup as a raw material to boil sugar. Compared with the prior art, the purity of cleaned materials is improved, the viscosity is reduced, the most part can be re-boiled, the decocting amount of materials in the rear stage is reduced, the waste honey yield is reduced, and the sucrose content recycled is improved. The purity is improved, the viscosity is reduced, the cane sugar is easy to crystallize and absorb, and the sucrose content recycled is improved. Inorganic ash impurities in the waste honey are greatly reduced, and the use value of the waste honey is promoted.

Description

technical field [0001] The invention relates to the technical field of sugar production, in particular to a method for treating boiled sugar materials which improves the sugar recovery rate of sugar production raw materials. Background technique [0002] In the production process of sugar factories, the sugar production process of white granulated sugar generally includes raw material juice extraction, clarification, evaporation, three-series sugar cooking, crystallization, honey separation and drying processes. Among them, the massecuite obtained in the three-series sugar cooking process , B sugar paste and tri sugar paste are sifted through crystallization and nectar separation to obtain honey and finished sugar. The purity of the sieved honey is not high. In order not to affect the product quality, generally only part of the first-washed honey is boiled back to the first sugar. The other part is used as the material for the later stage of massecuite cooking, which makes t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C13B5/00
Inventor 蒙冠怀李凯
Owner 广西柳州中嘉知识产权服务有限公司
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