CN106319096A - Clarifying method for redissolving brown granulated sugar with primary wash syrup - Google Patents
Clarifying method for redissolving brown granulated sugar with primary wash syrup Download PDFInfo
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- CN106319096A CN106319096A CN201610679588.7A CN201610679588A CN106319096A CN 106319096 A CN106319096 A CN 106319096A CN 201610679588 A CN201610679588 A CN 201610679588A CN 106319096 A CN106319096 A CN 106319096A
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- Prior art keywords
- syrup
- granulated sugar
- brown
- mixing molasses
- dissolved
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/005—Purification of sugar juices using chemicals not provided for in groups C13B20/02 - C13B20/14
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/12—Purification of sugar juices using adsorption agents, e.g. active carbon
- C13B20/123—Inorganic agents, e.g. active carbon
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/12—Purification of sugar juices using adsorption agents, e.g. active carbon
- C13B20/126—Organic agents, e.g. polyelectrolytes
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/16—Purification of sugar juices by physical means, e.g. osmosis or filtration
Abstract
The invention discloses a clarifying method for redissolving brown granulated sugar with primary wash syrup. The clarifying method comprises the following steps that brown granulated sugar is dissolved, and a brown granulated sugar solution is obtained; the brown granulated sugar solution and primary wash syrup are mixed, mixed syrup is obtained, and preheating is carried out; the mixed syrup enters a stirring box, and phosphoric acid and saccharified calcium are added; the mixture enters a foaming box, and crude syrup is foamed into uniform foam; the foamed mixed syrup is led into a floating device from a juice outlet pipe, a decolorizing agent attapulgite and flocculating agents zinc dihydrogen phosphate and guar gum are added before the mixed syrup is led into the floating device, floating separation is carried out on the mixed syrup in the floating device, upper layer floating residues are scraped away by the floating device, and cleaned syrup is discharged from the bottom; the mixed syrup enters a settling device, and chitosan is added to carry out secondary decolorizing, wherein the stirring time is 1 min, and the reaction time is 15-20 min. According to the method, mixed treatment is carried out on two materials with high tone, the re-boiling amount of low-purity materials is increased, and thus the yield of white granulated sugar is increased.
Description
Technical field
The present invention relates to sugaring field, the defecation method of a kind of brown granulated sugar dissolved by a-wash.
Background technology
At present, the commonly used one-step method of China's cane sugar manufacture, latter end crystallized product is brown sugar (Saccharum Sinensis Roxb.)；Brown sugar (Saccharum Sinensis Roxb.) impurity is many, color
Value height, has not met the market demand；In order to reduce or do not produce brown sugar (Saccharum Sinensis Roxb.), brown sugar (Saccharum Sinensis Roxb.) back dissolving is heavily boiled or overlaps by most of sugar enterprises
Kind；Simultaneously because the non-sugar content of brown sugar (Saccharum Sinensis Roxb.) and colour are the highest, the direct back dissolving of brown sugar (Saccharum Sinensis Roxb.) is heavily boiled or interplanted also can affect white sand
Saccharic amount, makes that colour is higher even to exceed standard；And the pigment in brown sugar (Saccharum Sinensis Roxb.) is mainly in carbohydrate breakdown products and scouring process generation
Macromolecule colored substance (in dark brown to brown color, mostly be caramel color and melanoidin pigment), its crystal rate of transform is the highest, to one-tenth
The impact of product fried sugar value is more much bigger than the pigment of sugarcane juice itself.
In current sugar refinery production process, first wash honey because of its physical and chemical index such as purity and colour all poor more than syrup, for
Not affecting product quality, general only part first being washed back boils high-grade massecuite, and another part is then as the material of back segment massecuite so that thing
Move after material, decrease the withdrawal of sugar part.
Due to brown sugar (Saccharum Sinensis Roxb.) and first, to wash the colour of honey higher, and it is all the biggest for affecting the qualification rate of white sugar product, because of
This, be treated as the research emphasis on sugaring circle to both materials.
Summary of the invention
The invention provides the defecation method of a kind of brown granulated sugar dissolved by a-wash that can improve white sugar productivity and qualification rate.
For achieving the above object, the technical scheme is that
The defecation method of a kind of brown granulated sugar dissolved by a-wash, it is characterised in that comprise the following steps:
(1) brown sugar (Saccharum Sinensis Roxb.) is dissolved by the mass ratio of 1: 4 with hot water, obtain brown sugar (Saccharum Sinensis Roxb.) solution；
(2) brown sugar (Saccharum Sinensis Roxb.) solution is washed with first honey mix by the mass ratio of 2: 1, obtain mixing molasses, mixing molasses is preheated to 80～
Between 83 DEG C；
(3) mixing molasses after heating enters agitator tank, adds phosphoric acid and saccharifying calcium, makes PH control, between 7.0～7.3, to fill
Enter case of getting blisters after dividing mixing, raw sugar slurry is got uniform bubble；
(4) mixing molasses after getting blisters and processing imports floating device from juice yield tube, adds decolorising agent recessed before importing floating device
Convex rod soil and coagulant zinc dihydrogen phosphate and guar gum, mixing molasses carries out floating in floating device and separates, and floating device is by upper strata
Scum silica frost strikes off, peace and quiet after syrup from bottom discharge；
(5) settler will be entered through the mixing molasses after step (4) processes, and add chitosan and carry out secondary decolourization, mixing time
For 1min, the response time is 15～20min, filters the clear syrup of gained after sedimentation, through evaporation and concentration, through evaporation and concentration to 60～
65°Bx。
Further, the addition of described attapulgite is 0.10～0.15g/kg mixing molasses.
Further, the addition of described zinc dihydrogen phosphate is 0.05～0.08g/kg mixing molasses.
Further, the addition of described guar gum is 0.01～0.03g/kg mixing molasses.
Further, the addition of described chitosan is 0.02～0.05g/kg mixing molasses.
Further, the pretreatment mode of described chitosan is: chitosan is pre-dissolved in PH be PH be the vinegar of 5.0～5.5
In acid solution, concentration is 0.3g/L.
Further, the time interval that described decolorising agent and coagulant add is 2～8min.
The defecation method of above-described brown granulated sugar dissolved by a-wash, has the advantage that
(1) in back dissolving brown sugar (Saccharum Sinensis Roxb.), add first and wash honey, by phosphoric acid, saccharifying calcium, attapulgite and the mixing of zinc dihydrogen phosphate
The material of this high color value is processed by decolouring system, and combines floating technique, gets rid of most float, calcium salt, carries
The high purity of syrup, reduces the colour of syrup, turbidity and sulfur content；
(2) with attapulgite as decolorising agent, attapulgite has preferable draw ratio and abundant inner duct, can preferably inhale
Pigment in attached syrup, and the time cycle of syrup clarification can be accelerated, decolorizing effect is notable；
(3) mixing molasses is added chitosan and carried out secondary decolourization, further increase decolorizing effect；
(4) have employed the method that floating technology combines with sedimentation techniques, optimize decolorizing effect, for carrying of white sugar qualification rate
Rise and lay a good foundation；
(5) add low-purity material returns the amount of boiling, and decreases the rear shifting of sugary material, thus improves the productivity of white sugar,
Increase products reclaiming, improve the economic benefit in sugar refinery.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, but protection scope of the present invention and range of application are not
It is limited to following example:
Embodiment 1
The defecation method of a kind of brown granulated sugar dissolved by a-wash, comprises the following steps:
(1) brown sugar (Saccharum Sinensis Roxb.) is dissolved by the mass ratio of 1: 4 with hot water, obtain brown sugar (Saccharum Sinensis Roxb.) solution；
(2) brown sugar (Saccharum Sinensis Roxb.) solution is washed with first honey mix by the mass ratio of 2: 1, obtain mixing molasses, mixing molasses is preheated to 80～
Between 82 DEG C；
(3) mixing molasses after heating enters agitator tank, adds phosphoric acid and saccharifying calcium, makes PH control, between 7.1～7.2, to fill
Enter case of getting blisters after dividing mixing, raw sugar slurry is got uniform bubble；
(4) mixing molasses after getting blisters and processing imports floating device from juice yield tube, adds decolorising agent recessed before importing floating device
Convex rod soil and coagulant zinc dihydrogen phosphate and guar gum, wherein: the addition of attapulgite is 0.12g/kg mixing molasses, phosphoric acid
The addition of dihydro zinc is 0.06g/kg mixing molasses, and the addition of guar gum is 0.02g/kg mixing molasses, and decolorising agent is with mixed
The time interval that solidifying agent adds is 5min；Mixing molasses carries out floating in floating device and separates, and upper strata scum silica frost is struck off by floating device,
Syrup after peace and quiet is discharged from bottom；
(5) will enter settler through the mixing molasses after step (4) processes, and add chitosan and carry out secondary decolourization, wherein, shell gathers
The addition of sugar is 0.035g/kg；Mixing molasses mixing time is 1min, and the response time is 18min, filters gained clear after sedimentation
Syrup, through evaporation and concentration to 62～65 ° Bx.
In step (5), the pretreatment mode of chitosan is: be pre-dissolved in by chitosan in the acetum that PH is 5.2, dense
Degree is 0.3g/L.
Through inspection, the syrup colour after process is 800～1000IU560, purity is 86～88AP, reaches wanting of high-grade massecuite
Asking, produce white sugar with this high-grade massecuite, the ratio of first-grade products is up to more than 99.5%.
Embodiment 2
The defecation method of a kind of brown granulated sugar dissolved by a-wash, comprises the following steps:
(1) brown sugar (Saccharum Sinensis Roxb.) is dissolved by the mass ratio of 1: 4 with hot water, obtain brown sugar (Saccharum Sinensis Roxb.) solution；
(2) brown sugar (Saccharum Sinensis Roxb.) solution is washed with first honey mix by the mass ratio of 2: 1, obtain mixing molasses, mixing molasses is preheated to 80～
Between 82 DEG C；
(3) mixing molasses after heating enters agitator tank, adds phosphoric acid and saccharifying calcium, makes PH control, between 7.1～7.3, to fill
Enter case of getting blisters after dividing mixing, raw sugar slurry is got uniform bubble；
(4) mixing molasses after getting blisters and processing imports floating device from juice yield tube, adds decolorising agent recessed before importing floating device
Convex rod soil and coagulant zinc dihydrogen phosphate and guar gum, wherein: the addition of attapulgite is 0.15g/kg mixing molasses, phosphoric acid
The addition of dihydro zinc is 0.08g/kg mixing molasses, and the addition of guar gum is 0.01g/kg mixing molasses, and decolorising agent is with mixed
The time interval that solidifying agent adds is 8min；Mixing molasses carries out floating in floating device and separates, and upper strata scum silica frost is struck off by floating device,
Syrup after peace and quiet is discharged from bottom；
(5) will enter settler through the mixing molasses after step (4) processes, and add chitosan and carry out secondary decolourization, wherein, shell gathers
Sugar addition be 0.02g/kg mixing molasses mixing time be 1min, the response time is 20min, after sedimentation filter gained the most sugared
Slurry, through evaporation and concentration to 62～65 ° Bx.
In step (5), the pretreatment mode of chitosan is: be pre-dissolved in by chitosan in the acetum that PH is 5.0, dense
Degree is 0.3g/L.
Through inspection, the syrup colour after process is 900～1100IU560, purity is 86～88AP, reaches wanting of high-grade massecuite
Asking, produce white sugar with this high-grade massecuite, the ratio of first-grade products is up to more than 99.3%.
Embodiment 3
The defecation method of a kind of brown granulated sugar dissolved by a-wash, comprises the following steps:
(1) brown sugar (Saccharum Sinensis Roxb.) is dissolved by the mass ratio of 1: 4 with hot water, obtain brown sugar (Saccharum Sinensis Roxb.) solution；
(2) brown sugar (Saccharum Sinensis Roxb.) solution is washed with first honey mix by the mass ratio of 2: 1, obtain mixing molasses, mixing molasses is preheated to 81～
Between 83 DEG C；
(3) mixing molasses after heating enters agitator tank, adds phosphoric acid and saccharifying calcium, makes PH control, between 7.0～7.2, to fill
Enter case of getting blisters after dividing mixing, raw sugar slurry is got uniform bubble；
(4) mixing molasses after getting blisters and processing imports floating device from juice yield tube, adds decolorising agent recessed before importing floating device
Convex rod soil and coagulant zinc dihydrogen phosphate and guar gum, wherein: the addition of attapulgite is 0.10g/kg mixing molasses, phosphoric acid
The addition of dihydro zinc is 0.05g/kg mixing molasses, and the addition of guar gum is 0.03g/kg mixing molasses, and decolorising agent is with mixed
The time interval that solidifying agent adds is 5min；Mixing molasses carries out floating in floating device and separates, and upper strata scum silica frost is struck off by floating device,
Syrup after peace and quiet is discharged from bottom；
(5) will enter settler through the mixing molasses after step (4) processes, and add chitosan and carry out secondary decolourization, wherein, shell gathers
Sugar addition be 0.05g/kg mixing molasses mixing time be 1min, the response time is 15min, after sedimentation filter gained the most sugared
Slurry, through evaporation and concentration to 62～65 ° Bx.
In step (5), the pretreatment mode of chitosan is: be pre-dissolved in by chitosan in the acetum that PH is 5.5, dense
Degree is 0.3g/L.
Through inspection, the syrup colour after process is 950～1200IU560, purity is 86～88AP, reaches wanting of high-grade massecuite
Asking, produce white sugar with this high-grade massecuite, the ratio of first-grade products is up to more than 99.1%.
Claims (7)
1. the defecation method of a brown granulated sugar dissolved by a-wash, it is characterised in that comprise the following steps:
(1) brown sugar (Saccharum Sinensis Roxb.) is dissolved by the mass ratio of 1: 4 with hot water, obtain brown sugar (Saccharum Sinensis Roxb.) solution；
(2) brown sugar (Saccharum Sinensis Roxb.) solution is washed with first honey mix by the mass ratio of 2: 1, obtain mixing molasses, mixing molasses is preheated to 80～
Between 83 DEG C；
(3) mixing molasses after heating enters agitator tank, adds phosphoric acid and saccharifying calcium, makes PH control, between 7.0～7.3, to fill
Enter case of getting blisters after dividing mixing, raw sugar slurry is got uniform bubble；
(4) mixing molasses after getting blisters and processing imports floating device from juice yield tube, adds decolorising agent recessed before importing floating device
Convex rod soil and coagulant zinc dihydrogen phosphate and guar gum, mixing molasses carries out floating in floating device and separates, and floating device is by upper strata
Scum silica frost strikes off, peace and quiet after syrup from bottom discharge；
(5) settler will be entered through the mixing molasses after step (4) processes, and add chitosan and carry out secondary decolourization, mixing time
For 1min, the response time is 15～20min, filters the syrup of gained after sedimentation, through evaporation and concentration to 62～65 ° Bx.
The defecation method of a kind of brown granulated sugar dissolved by a-wash the most according to claim 1, it is characterised in that:
The addition of described attapulgite is 0.10～0.15g/kg mixing molasses.
The defecation method of a kind of brown granulated sugar dissolved by a-wash the most according to claim 1, it is characterised in that:
The addition of described zinc dihydrogen phosphate is 0.05～0.08g/kg mixing molasses.
The defecation method of a kind of brown granulated sugar dissolved by a-wash the most according to claim 1, it is characterised in that:
The addition of described guar gum is 0.01～0.03g/kg mixing molasses.
The defecation method of a kind of brown granulated sugar dissolved by a-wash the most according to claim 1, it is characterised in that:
The addition of described chitosan is 0.02～0.05g/kg mixing molasses.
The defecation method of a kind of brown granulated sugar dissolved by a-wash the most according to claim 5, it is characterised in that:
The pretreatment mode of described chitosan is: being pre-dissolved in by chitosan in the acetum that PH is 5.0～5.5, concentration is
0.3g/L。
The defecation method of a kind of brown granulated sugar dissolved by a-wash the most according to claim 1, it is characterised in that:
The time interval that described decolorising agent adds with coagulant is 2～8min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679588.7A CN106319096A (en) | 2016-08-17 | 2016-08-17 | Clarifying method for redissolving brown granulated sugar with primary wash syrup |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679588.7A CN106319096A (en) | 2016-08-17 | 2016-08-17 | Clarifying method for redissolving brown granulated sugar with primary wash syrup |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323885A (en) * | 2008-07-25 | 2008-12-17 | 高晓军 | Production method of sulfurless superior saccharose |
| CN101358249A (en) * | 2008-09-25 | 2009-02-04 | 广西永鑫华糖集团有限公司 | Floating method of brown granulated sugar dissolved by a-wash |
| CN101812546A (en) * | 2010-04-23 | 2010-08-25 | 广西大学 | Preparation of phosphoric acid composite decolorizer and application method thereof |
| CN102260753A (en) * | 2011-06-24 | 2011-11-30 | 广西工学院 | Method for clearing, decoloring and decontaminating sugar juice |
| CN103114156A (en) * | 2013-02-18 | 2013-05-22 | 广西农垦糖业集团防城精制糖有限公司 | New sugaring and clarifying process of low-sulfur low-phosphorus sugarcane |
-
2016
- 2016-08-17 CN CN201610679588.7A patent/CN106319096A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323885A (en) * | 2008-07-25 | 2008-12-17 | 高晓军 | Production method of sulfurless superior saccharose |
| CN101358249A (en) * | 2008-09-25 | 2009-02-04 | 广西永鑫华糖集团有限公司 | Floating method of brown granulated sugar dissolved by a-wash |
| CN101812546A (en) * | 2010-04-23 | 2010-08-25 | 广西大学 | Preparation of phosphoric acid composite decolorizer and application method thereof |
| CN102260753A (en) * | 2011-06-24 | 2011-11-30 | 广西工学院 | Method for clearing, decoloring and decontaminating sugar juice |
| CN103114156A (en) * | 2013-02-18 | 2013-05-22 | 广西农垦糖业集团防城精制糖有限公司 | New sugaring and clarifying process of low-sulfur low-phosphorus sugarcane |
Non-Patent Citations (3)
| Title |
|---|
| 李本高: "《现代工业水处理技术与应用》", 30 June 2004, 中国石化出版社 * |
| 葛恒展: "《淮安名特产品》", 30 September 2002, 中共党史出版社 * |
| 谢宇: "《壳聚糖及其衍生物制备与应用》", 31 July 2010, 中国水利水电出版社 * |
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