CN104480227B - A kind of production technology of polycrystal rock sugar - Google Patents
A kind of production technology of polycrystal rock sugar Download PDFInfo
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- CN104480227B CN104480227B CN201410662960.4A CN201410662960A CN104480227B CN 104480227 B CN104480227 B CN 104480227B CN 201410662960 A CN201410662960 A CN 201410662960A CN 104480227 B CN104480227 B CN 104480227B
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- C13—SUGAR INDUSTRY
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- C13B50/00—Sugar products, e.g. powdered, lump or liquid sugar; Working-up of sugar
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Abstract
A kind of production technology of polycrystal rock sugar, comprises the following steps：Using one-level white granulated sugar as raw material, by the way that molten sugar, microfiltration of ceramic membrane are clarified, ion exchange resin desalination decolourizes, is concentrated in vacuo, crystallization of charging seed, six steps of dry packing produce polycrystal rock sugar.The polycrystal rock sugar taste produced using the present invention is fresh and sweet tasty, color and luster is pure white and translucent, whole production process need not add sodium dithionite color protection, it ensure that the green safety of product, and the percent crystallization in massecuite of rock sugar is up to more than 95%, the problem of polycrystal crystal sugar production percent crystallization in massecuite is low for a long time is solved.
Description
Technical field
The present invention relates to the production technology of polycrystal rock sugar, belong to crystal sugar production technical field.
Technical background
Rock sugar is the crystallization reproduced goods of white granulated sugar, is one kind of refined sugar.Because its crystallization is such as ice-like, therefore named rock sugar,
Cry " ice grain ".Rock sugar quality is pure, is unlikely to deteriorate, and in addition to it can make candy and eat, is also used as the sweetener of gourmet food.
The traditional Chinese medical science thinks that rock sugar has moistening lung, cough-relieving, clear phlegm and the effect reduced internal heat, and is also to process medicinal liquor, stew the auxiliary material of tonic, always standby
Liked by people.In addition to the custom that China has edible rock sugar, rock sugar the country such as Japan and Southeast Asia also very by
Welcome.With the development and the continuous progress of science and technology of society, the kind of rock sugar is via single polycrystal rock sugar, hair
Open up the products such as monocrystal rock sugar, golden slab sugar and coffee rock sugar now.
Polycrystal rock sugar is also known as old rock sugar, native rock sugar, ice cube sugar etc., and this rock sugar has the medicinal efficacy described in the traditional Chinese medical science；
It is that obtained irregular crystal shape rock sugar is produced with traditional production technology, written by Song dynasty Wang Zhuo《Frosting is remembered》Sichuan is narrated
The situation of Suining ice making sugar, Ming Dynasty's SONG Yingxing is his《Tian Gong Kai Wu》In also illustrate that the manufacture method of rock sugar.According to its life
The difference of production. art, polycrystal rock sugar is divided into plumbing method rock sugar and basin crystallization rock sugar again.The finished product of plumbing method rock sugar be icicle and
Ice side, has the impurity such as cotton thread, the scraps of paper, and whole rock sugar of basin crystallization rock sugar are even along crystallization basin crystallization, and finished product is purer.In state
Interior, the north is main to produce polycrystal rock sugar using plumbing method, and south is main using the production of basin crystallization.The two is except in production procedure
Outside upper slightly difference, its production principle is substantially the same.But the production method percent crystallization in massecuite of both traditional polycrystal rock sugar is all
It is relatively low, only 40%~50%, and the sodium dithionite color protection for being commonly called as sodium hydrosulfite is additionally added in process of production, it result in
There is the residual of sulphur in commerieal sugar, had some limitations for high-end customer, product is also have impact on to a certain extent
Quality.Therefore it provides a kind of advanced polycrystal crystal sugar production technique is to solve, percent crystallization in massecuite for a long time is low and product
Ropy problem is necessary.
The content of the invention
It is an object of the invention to provide a kind of production technology of polycrystal rock sugar.Solve conventional polysilicon body crystal sugar production side
The technical problems such as method percent crystallization in massecuite is low, poor product quality.
The purpose of foregoing invention, which is achieved in that, employs following technical scheme：
A kind of production technology of polycrystal rock sugar, comprises the steps：
(1) molten sugar：In the water that white granulated sugar is dissolved in 80~85 DEG C, stirring to white granulated sugar is all dissolved, and obtains 55~65 ° of Bx
Dissolved syrup of whirling；
(2) microfiltration of ceramic membrane：Micro-filtration processing is carried out to dissolved syrup of whirling using ceramic micro filter film, clear syrup is obtained；
(3) ion exchange resin desalination decolourizes：Clear syrup is cooled to after 40~45 DEG C and sends into the first ion exchange resin
Tower obtains the first penetrating fluid, then the first penetrating fluid the second exchange resin tower of feeding is obtained into the second penetrating fluid, obtains desalination
Decolouring syrup；
(4) it is concentrated in vacuo：Cryogenic vacuum concentration is carried out to desalination decolouring syrup, 76~80 ° of Bx concentration sugar is obtained
Slurry；
(5) crystallize：Heavy syrup is poured into crystallization basin and polycrystalline rock sugar seed is put into, after feeding crystallisation chamber is crystallized 2 weeks,
Polycrystal rock sugar and uncrystallized mother liquor are separated, polycrystal rock sugar is obtained；
(6) dry packing：Polycrystal rock sugar is by drying, cooling down, packaging is got product.
It is preferred that, the water described in step (1) is deionized water.
It is preferred that, the aperture of the ceramic micro filter film described in step (2) is 200~500nm, transmembrane pressure is 0.1~
0.5MPa, filtration temperature is 70~90 DEG C, and crossflow velocity is 4.5m/s~6m/s.
It is preferred that, the clear syrup turbidity described in step (2) is less than 1.00NTU.
It is preferred that, the colour of the desalination decolouring syrup described in step (3) is less than 10IU, and Conductivity ash is less than 0.003%.
It is preferred that, the first exchange resin tower described in step (3) is macroporous strong basic anion exchange resin, tower
Blade diameter length ratio is 1/3~1/10, and feed velocity is 2~10BV/h；Second exchange resin tower is strongly acidic cation exchange tree
Fat either weak-acid cation-exchange resin, the blade diameter length ratio of tower is 1/3~1/10, and feed velocity is 2~10BV/h.
It is preferred that, the cryogenic vacuum concentration described in step (4) is board-like triple effect vacuum vaporation system, and technological parameter is such as
Under：Temperature is 60~80 DEG C, and vacuum is 0.04~0.08MPa.
It is preferred that, the seed of the polycrystal rock sugar described in step (5) is broken by big block polycrystal rock sugar
Small block polycrystal rock sugar, the seed weight of every polycrystal rock sugar is 5~15g.
It is preferred that, constant temperature and humidity in the crystallisation chamber described in step (5), indoor temperature is 50~55 DEG C, relative humidity is
80%~90%.
It is preferred that, the specification of the crystallization basin described in step (5) is：Length × width × height=40~50cm × 40~50cm × 7
~10cm, the deep 4~6cm of syrup, each basin puts into 15~25, and is uniformly distributed.
Compared with prior art, the beneficial effect that the present invention possesses：
Decolourized present invention employs the water-soluble sugar of deionization, microfiltration of ceramic membrane turbidity removal clarification and ion exchange resin desalination, greatly
Reduce the colour of the content and syrup of suspension and ion in syrup greatly, thus improve polycrystal rock sugar percent crystallization in massecuite and
Reduce the colour of commerieal sugar.In addition mainly normal pressure is used in traditional polycrystal crystal sugar production technique syrup concentration process
High temperature is concentrated, the company of addition two in order to prevent syrup chromogenesis in high temperature concentration process from influenceing the presentation quality of commerieal sugar
Sodium sulfite color protection, result in the residual for having sulphur in commerieal sugar, is had some limitations for high-end customer, and dense
The contracting time is also longer, generally 20~30min so that sucrose is converted excessively in concentration process, so that percent crystallization in massecuite is reduced, and
The present invention is not only reduced the temperature of syrup concentration, is also shortened concentration using the concentration of board-like triple effect vacuum vaporation system low temperature
Time (concentration time be 1~3min), so as to greatly reduce syrup sucrose inversion caused by high temperature in concentration process
Loss and the generation of pigment.The production method of conventional polysilicon body rock sugar is that syrup is concentrated into 82~84 ° of Bx, then slow drop
Temperature make the control of syrup degree of supersaturation in labile region after natural graining growing the grain 7~9 days can finished product, because sucrose is molten in crystallization basin
The degree of supersaturation of liquid is controlled in labile region along with the volatilization of crystallization basin surface moisture so that sucrose molecule is first in crystallization basin
Surface crystallization formation crystal, this layer crystal body (also referred to as " floating ice ") formed on crystallization basin surface prevents moisture to be waved from crystallization basin
Issue, just do not recrystallized when the degree of supersaturation for crystallizing mother liquor inside basin is less than 1.0 so that this method produces polycrystal ice
The percent crystallization in massecuite of sugar is relatively low, and only 40%~50%, and the whole process of the invention in crystalization of crystal sugar is by controlling humidity and temperature
Within the specific limits, the degree of supersaturation of sucrose solution in whole crystallization process is controlled in Metastable zone, then put into little particle
Polycrystal rock sugar as seed slowly growing the grain 2 weeks or so can finished product, and crystalization of crystal sugar is up to more than 95%, solves long-term
Since polycrystal crystal sugar production percent crystallization in massecuite it is low the problem of.
The polycrystal rock sugar taste that the present invention is produced is fresh and sweet tasty, and color and luster is pure white and translucent, outward appearance straight uniform, entirely
Process need not add sodium dithionite color protection, it is ensured that the green safety of product, and mother liquor in crystallization process
Degree of supersaturation controls crystallization of then being charged seed in Metastable zone, so as to improve the percent crystallization in massecuite of rock sugar.
Brief description of the drawings
Fig. 1 is the flow chart of the production technology of the polycrystal rock sugar of the present invention.
Embodiment
Embodiment 1
A kind of production technology of polycrystal rock sugar, operating procedure is：
(1) molten sugar：In the water that white granulated sugar is dissolved in 85 DEG C, stirring to white granulated sugar is all dissolved, and obtains 62 ° of Bx molten sugar of whirling
Slurry；
(2) microfiltration of ceramic membrane：The dissolved syrup that will whirl delivers to microfiltration of ceramic membrane work tank, and the ceramic membrane using aperture as 200nm enters
Row micro-filtration is clarified, and wherein transmembrane pressure is 0.15MPa, and filtration temperature is 75 DEG C, and crossflow velocity is 5m/s, obtains clear syrup standby
With；
(3) ion exchange resin desalination decolourizes：Clear syrup is sent into after plate type heat exchanger is cooled to 40 DEG C first from
The flow velocity that sub-exchange resin tower is obtained in the first penetrating fluid, resin is 2.0BV/h, and blade diameter length ratio is 1/3, then the first penetrating fluid is sent
Enter the second exchange resin tower and obtain the flow velocity in the second penetrating fluid, resin for 10.0BV/h, blade diameter length ratio is 1/10, that is, is obtained
Desalination decolouring syrup is standby；The first described ion exchange resin be macroporous strong basic anion exchange exchanger resin, second from
Sub-exchange resin is storng-acid cation exchange resin；
(4) it is concentrated in vacuo：Desalination decolouring syrup is sent into board-like triple effect vacuum vaporation system and carries out cryogenic vacuum concentration, one
The evaporating temperature of effect is 80 DEG C, and vacuum is 0.04MPa, and the evaporating temperature of two effects is 65 DEG C, and vacuum is 0.06MPa, triple effect
Evaporating temperature be 55 DEG C, vacuum is 0.08MPa, and the heavy syrup for obtaining 78 ° of Bx is standby；
(5) crystallize：Syrup after being concentrated through board-like triple effect vacuum vaporation system is poured into crystallization basin and Polycrystalline Ice is put into
Sugared seed, feeding crystallisation chamber can obtain polycrystal rock sugar after crystallizing 2 weeks；Wherein crystallization basin specification for length × width × height=
45cm × 45cm × 8cm, crystallization basin is made by stainless sheet steel, and the seed of polycrystalline rock sugar is by big block polycrystalline rock sugar
Broken small block polycrystalline rock sugar, every weight is 8~12g, and input polycrystalline rock sugar seed is 20 in each crystallization basin
, and be uniformly distributed, crystallisation chamber is the stone room of a constant temperature and humidity, indoor temperature is 50~52 DEG C, relative humidity be 80%~
85%, the speed of moisture spontaneous evaporation and the speed of crystallization of sucrose crystallized in whole crystallization process in basin reaches balance, makes knot
The degree of supersaturation of sucrose mother liquor in brilliant basin is maintained in Metastable zone；
(6) dry packing：Polycrystal rock sugar and uncrystallized mother liquor are separated with centrifugation honey centrifuge, isolated polycrystalline
Body rock sugar can finished product by drying, cooling down, pack.
Technic index in the production process of embodiment 1 is as shown in the table：
Embodiment 2
A kind of production technology of polycrystal rock sugar, operating procedure is：
(1) molten sugar：In the water that white granulated sugar is dissolved in 80 DEG C, stirring to white granulated sugar is all dissolved, and obtains 60 ° of Bx molten sugar of whirling
Slurry；
(2) microfiltration of ceramic membrane：The dissolved syrup that will whirl delivers to microfiltration of ceramic membrane work tank, and the ceramic membrane using aperture as 500nm enters
Row micro-filtration is clarified, and wherein transmembrane pressure is 0.25MPa, and filtration temperature is 80 DEG C, and crossflow velocity is 6m/s, obtains clear syrup standby
With；
(3) ion exchange resin desalination decolourizes：Clear syrup is sent into after plate type heat exchanger is cooled to 43 DEG C first from
The flow velocity that sub-exchange resin tower is obtained in the first penetrating fluid, resin is 2.5BV/h, and blade diameter length ratio is 1/4, then the first penetrating fluid is sent
Enter the second exchange resin tower and obtain the flow velocity in the second penetrating fluid, resin for 8.5BV/h, blade diameter length ratio is 1/8, that is, is removed
Salt decolouring syrup is standby；The first described ion exchange resin is macroporous strong basic anion exchange exchanger resin, the second ion
Exchanger resin is storng-acid cation exchange resin；
(4) it is concentrated in vacuo：Desalination decolouring syrup is sent into board-like triple effect vacuum vaporation system and carries out cryogenic vacuum concentration, one
The evaporating temperature of effect is 80 DEG C, and vacuum is 0.04MPa, and the evaporating temperature of two effects is 65 DEG C, and vacuum is 0.06MPa, triple effect
Evaporating temperature be 55 DEG C, vacuum is 0.08MPa, and the heavy syrup for obtaining 77 ° of Bx is standby；
(5) crystallize：Syrup after being concentrated through board-like triple effect vacuum vaporation system is poured into crystallization basin and Polycrystalline Ice is put into
Sugared seed, feeding crystallisation chamber can obtain polycrystal rock sugar after crystallizing 2 weeks；Wherein crystallization basin specification for length × width × height=
40cm × 40cm × 7cm, crystallization basin is made by stainless sheet steel；The seed of polycrystalline rock sugar is by big block polycrystalline rock sugar
Broken small block polycrystalline rock sugar, every weight is 5~15g, and input polycrystalline rock sugar seed is 18 in each crystallization basin
, and be uniformly distributed, crystallisation chamber is the stone room of a constant temperature and humidity, indoor temperature is 53~55 DEG C, relative humidity be 85%~
90%, the speed of moisture spontaneous evaporation and the speed of crystallization of sucrose crystallized in whole crystallization process in basin reaches balance, makes knot
The degree of supersaturation of sucrose mother liquor in brilliant basin is maintained in Metastable zone；
(6) dry packing：Polycrystal rock sugar and uncrystallized mother liquor are separated with centrifugation honey centrifuge, isolated polycrystalline
Body rock sugar can finished product by drying, cooling down, pack.
Technic index in the production process of embodiment 2 is as shown in the table：
Claims (9)
1. a kind of production technology of polycrystal rock sugar, it is characterised in that comprise the steps：
(1) molten sugar：In the water that white granulated sugar is dissolved in 80~85 DEG C, stirring to white granulated sugar is all dissolved, and obtains whirling for 55~65 ° of Bx
Dissolved syrup；
(2) microfiltration of ceramic membrane：Micro-filtration processing is carried out to dissolved syrup of whirling using ceramic micro filter film, clear syrup is obtained；
(3) ion exchange resin desalination decolourizes：Clear syrup is cooled to after 40~45 DEG C and sends into the first exchange resin tower and obtains
The second penetrating fluid is obtained to the first penetrating fluid, then by the first penetrating fluid the second exchange resin tower of feeding, desalination decolouring is obtained
Syrup；
(4) it is concentrated in vacuo：Cryogenic vacuum concentration is carried out to desalination decolouring syrup, 76~80 ° of Bx heavy syrup is obtained；
(5) crystallize：Heavy syrup is poured into crystallization basin and polycrystalline rock sugar seed is put into, will be many after feeding crystallisation chamber is crystallized 2 weeks
Crystal rock sugar and the separation of uncrystallized mother liquor, obtain polycrystal rock sugar；Constant temperature and humidity in described crystallisation chamber, indoor temperature is 50
~55 DEG C, relative humidity be 80%~90%；
(6) dry packing：Polycrystal rock sugar is by drying, cooling down, packaging is got product.
2. the production technology of polycrystal rock sugar as claimed in claim 1, it is characterised in that water described in step (1) for go from
Sub- water.
3. the production technology of polycrystal rock sugar as claimed in claim 1, it is characterised in that the ceramic micro filter described in step (2)
The aperture of film is 200~500nm, and transmembrane pressure is 0.1~0.5MPa, and filtration temperature is 70~90 DEG C, and crossflow velocity is 4.5m/
S~6m/s.
4. the production technology of polycrystal rock sugar as claimed in claim 1, it is characterised in that the clear syrup described in step (2) is turbid
Degree is less than 1.00NTU.
5. the production technology of polycrystal rock sugar as claimed in claim 1, it is characterised in that the desalination described in step (3) decolourizes
The colour of syrup is less than 10IU, and Conductivity ash is less than 0.003%.
6. the production technology of polycrystal rock sugar as claimed in claim 1, it is characterised in that the first ion described in step (3)
Exchange resin tower is macroporous strong basic anion exchange resin, and the blade diameter length ratio of tower is 1/3~1/10, and feed velocity is 2~10BV/
h；Second exchange resin tower is storng-acid cation exchange resin either weak-acid cation-exchange resin, and the footpath of tower is high
Than for 1/3~1/10, feed velocity is 2~10BV/h.
7. the production technology of polycrystal rock sugar as claimed in claim 1, it is characterised in that the cryogenic vacuum described in step (4)
Concentration is board-like triple effect vacuum vaporation system, and technological parameter is as follows：Temperature be 60~80 DEG C, vacuum be 0.04~
0.08MPa。
8. the production technology of polycrystal rock sugar as claimed in claim 1, it is characterised in that the polycrystal ice described in step (5)
The seed of sugar is by the broken small block polycrystal rock sugar of big block polycrystal rock sugar, the kind of every polycrystal rock sugar
Sub- weight is 5~15g.
9. the production technology of polycrystal rock sugar as claimed in claim 1, it is characterised in that crystallization basin described in step (5)
Specification is：Length × width × height=40~50cm × 40~50cm × 7~10cm, the deep 4~6cm of syrup, each basin input 15~25
, and be uniformly distributed.
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| CN104805224B (en) * | 2015-04-02 | 2018-04-13 | 广西大学 | A kind of processing unit (plant) of ecosystem brown sugar |
| CN104805228A (en) * | 2015-04-02 | 2015-07-29 | 广西大学 | Sugar juice evaporation method |
| CN104789705A (en) * | 2015-04-02 | 2015-07-22 | 广西大学 | Refined sugar clarifying method |
| CN104805222B (en) * | 2015-04-02 | 2018-02-27 | 广西大学 | A kind of refined sugar clarifier |
| CN105671214A (en) * | 2016-02-26 | 2016-06-15 | 广西大学 | Method for producing crystallized fructose by taking raw sugar as raw material |
| CN107760805A (en) * | 2017-11-27 | 2018-03-06 | 广西大学 | Activated carbon, ceramic membrane and ion exchange resin coupling processing and refining sugar method |
| CN107937627A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of method of raw sugar remelt syrup clarification decoloration |
| CN107937626A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of refined sugar processing method based on activated carbon decolorizing |
| CN110016525A (en) * | 2019-04-10 | 2019-07-16 | 中国科学院近代物理研究所 | A kind of functional food sugar grass syrup and preparation method thereof |
| CN113249528A (en) * | 2021-05-21 | 2021-08-13 | 南京甘汁园糖业有限公司 | Intelligent management system and intelligent management method for efficient crystallization of polycrystalline rock sugar |
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| CN102337316A (en) * | 2011-09-30 | 2012-02-01 | 广州双桥股份有限公司 | Process for producing starch sugar |
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