CN104480227A - Production process of poly-crystal rocky candy - Google Patents
Production process of poly-crystal rocky candy Download PDFInfo
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- CN104480227A CN104480227A CN201410662960.4A CN201410662960A CN104480227A CN 104480227 A CN104480227 A CN 104480227A CN 201410662960 A CN201410662960 A CN 201410662960A CN 104480227 A CN104480227 A CN 104480227A
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B50/00—Sugar products, e.g. powdered, lump or liquid sugar; Working-up of sugar
- C13B50/004—Agglomerated sugar products; Agglomeration
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Abstract
The invention discloses a production process of poly-crystal rocky candy. The production process comprises the following six steps: by taking first-grade white sugar as a raw material, dissolving the sugar, micro-filtering and clarifying, desalting and decolorizing by using ion exchange resin, concentrating in vacuum, charging seeds for crystallization, drying and packaging to produce the poly-crystal rocky candy. The poly-crystal rocky candy produced by the method disclosed by the invention is sweet and delicious in taste and white and transparent in color and luster; no sodium hydrosulfite is added for color protection during the overall production, so the product is environmental friendly and safe; the crystallization rate of the rocky candy is above 95%; the problem of low crystallization rate during production of the poly-crystal rocky candy for a long time is solved.
Description
Technical field
What the present invention relates to is the production technique of polycrystal rock sugar, belongs to crystal sugar production technical field.
Technical background
Rock sugar is the crystallization reproduced goods of white sugar, is the one of refined sugar.Because its crystallization is as ice-like, therefore named rock sugar, is also named " ice grain ".Rock sugar quality is pure, not perishable, except can do candy edible except, can also as the sweeting agent of gourmet food.The traditional Chinese medical science thinks the effect that rock sugar has moistening lung, cough-relieving, clear phlegm and reduces internal heat, and is also to concoct medicinal liquor, stew the auxiliary material boiling tonic, always enjoys liking of people.Except the custom that China has edible rock sugar, rock sugar is also very welcome in countries such as Japan and South East Asia.Along with the development of society and the continuous progress of science and technology, the kind of rock sugar, by single polycrystal rock sugar, develops into the products such as monocrystal rock sugar now, Borneolum Syntheticum sugar and coffee rock sugar.
Polycrystal rock sugar is also known as old rock sugar, native rock sugar, ice cube sugar etc., and this rock sugar has the said medicinal efficacy of the traditional Chinese medical science; Be produce by traditional production technique the random crystal shape rock sugar obtained, " the frosting note " of Song dynasty Wang Zhuo work has narrated the situation of Suining, Sichuan ice making sugar, and Ming Dynasty's SONG Yingxing also illustrate that the manufacture method of rock sugar in his Exploitation of the Works of Nature.According to the difference of its production technique, polycrystal rock sugar is divided into again plumbing method rock sugar and basin crystallization rock sugar.The finished product of plumbing method rock sugar is icicle and ice limit, has the impurity such as cotton thread, the scraps of paper, and whole rock sugar of basin crystallization rock sugar are even along the crystallization of crystallization basin, and finished product is purer.At home, the main plumbing method that adopts in the north produces polycrystal rock sugar, and the main basin crystallization that adopts in south is produced.The two is except in Production Flow Chart slightly except difference, and its production principle is substantially identical.But the production method percent crystallization in massecuite of these two kinds traditional polycrystal rock sugar is all lower, only have 40% ~ 50%, and also add the V-Brite B being commonly called as vat powder in process of production and protect look, result in commerieal sugar and have the residual of sulphur, have some limitations for high-end customer, also have impact on the quality of product to a certain extent.Therefore, it is necessary for providing the polycrystal crystal sugar production technique of a kind of advanced person to solve the problem that is low and poor product quality of percent crystallization in massecuite for a long time.
Summary of the invention
The object of this invention is to provide a kind of production technique of polycrystal rock sugar.Solve the technical problems such as conventional polysilicon body production method of rock candy percent crystallization in massecuite is low, poor product quality.
It is because have employed following technical scheme that the object of foregoing invention is achieved:
A production technique for polycrystal rock sugar, comprises the steps:
(1) molten sugar: be dissolved in by white sugar in the water of 80 ~ 85 DEG C, is stirred to white sugar and all dissolves, and obtains the dissolved syrup of whirling of 55 ~ 65 ° of Bx;
(2) microfiltration of ceramic membrane: utilize ceramic microfiltration membrane to carry out micro-filtration process to dissolved syrup of whirling, obtain syrup clearly;
(3) ion exchange resin desalination decolouring: send into the first exchange resin tower after clear syrup is cooled to 40 ~ 45 DEG C and obtain the first penetrating fluid, again the first penetrating fluid is sent into the second exchange resin tower and obtain the second penetrating fluid, obtain desalination decolouring syrup;
(4) vacuum concentration: cryogenic vacuum concentration is carried out to desalination decolouring syrup, obtains the heavy syrup of 76 ~ 80 ° of Bx;
(5) crystallization: to be poured into by heavy syrup in crystallization basin and to drop into polycrystalline rock sugar seed, sends into crystallisation chamber crystallization after 2 weeks, is separated by polycrystal rock sugar, obtains polycrystal rock sugar with uncrystallized mother liquor;
(6) dry packing: polycrystal rock sugar gets product through super-dry, cooling, packaging.
Preferably, the water described in step (1) is deionized water.
Preferably, the aperture of the ceramic microfiltration membrane described in step (2) 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.
Preferably, the clear syrup turbidity described in step (2) is less than 1.00NTU.
Preferably, the colour of the desalination decolouring syrup described in step (3) is lower than 10IU, and Conductivity ash is less than 0.003%.
Preferably, the first exchange resin tower described in step (3) is macroporous strong basic anionite-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 or weakly acidic cation-exchange resin, and the blade diameter length ratio of tower is 1/3 ~ 1/10, and feed velocity is 2 ~ 10BV/h.
Preferably, the cryogenic vacuum concentration described in step (4) is board-like triple effect vacuum vaporation system, and processing parameter is as follows: temperature is 60 ~ 80 DEG C, and vacuum tightness is 0.04 ~ 0.08MPa.
Preferably, the seed of the polycrystal rock sugar described in step (5) is that the seed weight of every polycrystal rock sugar is 5 ~ 15g by the polycrystal rock sugar of large block polycrystal rock sugar broken little bulk.
Preferably, the crystallization chamber fixed temperature and humidity described in step (5), room temp is 50 ~ 55 DEG C, relative humidity is 80% ~ 90%.
Preferably, the specification of the crystallization basin described in step (5) is: length × wide × height=40 ~ 50cm × 40 ~ 50cm × 7 ~ 10cm, the dark 4 ~ 6cm of syrup, and each basin drops into 15 ~ 25, and is uniformly distributed.
Compared with prior art, the beneficial effect that possesses of the present invention:
Present invention employs the water-soluble sugar of deionization, microfiltration of ceramic membrane turbidity removal clarification and the decolouring of ion exchange resin desalination, greatly reduce the content of suspended substance and ion and the colour of syrup in syrup, thus improve the percent crystallization in massecuite of polycrystal rock sugar and reduce the colour of commerieal sugar.In traditional polycrystal crystal sugar production technique syrup concentration process, mainly adopt constant-pressure and high-temperature to concentrate in addition, the visual appearance of commerieal sugar is affected in order to prevent syrup chromogenesis in high temperature concentration process, add V-Brite B and protect look, result in commerieal sugar and have the residual of sulphur, have some limitations for high-end customer, and concentration time is also longer, be generally 20 ~ 30min, sucrose is made to transform too much in concentration process, thus reduce percent crystallization in massecuite, and the present invention adopts board-like triple effect vacuum vaporation system cryoconcentration, not only reduce the temperature that syrup is concentrated, also shorten the concentrated time (concentration time is 1 ~ 3min), thus greatly reduce the generation of sucrose inversion loss that syrup Yin Gaowen in concentration process causes and pigment.The production method of conventional polysilicon body rock sugar syrup is concentrated to 82 ~ 84 ° of Bx, then slow cooling makes syrup degree of supersaturation control in labile region growing the grain after natural graining and gets final product finished product in 7 ~ 9 days, because in crystallization basin, the degree of supersaturation of sucrose solution controls the volatilization of adding crystallization basin surface-moisture in labile region, sucrose molecules is made first to form crystal at crystallization basin surface crystallization, this layer crystal body (also claiming " floating ice ") formed on crystallization basin surface prevents moisture to evaporate from crystallization basin, the just not recrystallize when the degree of supersaturation of the inner mother liquor of crystallization basin is less than 1.0, make the percent crystallization in massecuite of this method production polycrystal rock sugar lower, only have 40% ~ 50%, and the present invention crystalization of crystal sugar whole process by controlling moisture and temperature within the specific limits, the degree of supersaturation of sucrose solution in whole crystallisation process is made to control in Metastable zone, then drop into short grained polycrystal rock sugar as seed slowly growing the grain within about 2 weeks, get final product finished product, and crystalization of crystal sugar is up to more than 95%, solve the problem that polycrystal crystal sugar production percent crystallization in massecuite is low for a long time.
The polycrystal rock sugar taste that the present invention produces is fresh and sweet good to eat, color and luster is pure white and translucent, outward appearance straight uniform, whole process protects look without the need to adding V-Brite B, ensure that the green safety of product, and in crystallisation process, the degree of supersaturation of mother liquor is controlled then to charge seed crystallization in Metastable zone, thus improve the percent crystallization in massecuite of rock sugar.
Accompanying drawing explanation
Fig. 1 is the schema of the production technique of polycrystal rock sugar of the present invention.
Embodiment
Embodiment 1
A production technique for polycrystal rock sugar, operation steps is:
(1) molten sugar: be dissolved in by white sugar in the water of 85 DEG C, is stirred to white sugar and all dissolves, and obtains the dissolved syrup of whirling of 62 ° of Bx;
(2) microfiltration of ceramic membrane: dissolved syrup of whirling delivers to microfiltration of ceramic membrane work tank, be that the ceramic membrane of 200nm carries out micro-filtration clarification with aperture, wherein transmembrane pressure is 0.15MPa, and filtration temperature is 75 DEG C, and crossflow velocity is 5m/s, obtains syrup clearly for subsequent use;
(3) ion exchange resin desalination decolouring: clear syrup is sent into after plate-type heat exchanger is cooled to 40 DEG C the first exchange resin tower and obtain the first penetrating fluid, flow velocity in resin is 2.0BV/h, blade diameter length ratio is 1/3, again the first penetrating fluid is sent into the second exchange resin tower and obtain the second penetrating fluid, flow velocity in resin is 10.0BV/h, blade diameter length ratio is 1/10, namely obtains desalination decolouring syrup for subsequent use; The first described ion exchange resin is macroporous strong basic anionresin exchange resin, and the second ion exchange resin is storng-acid cation exchange resin;
(4) vacuum concentration: the syrup that decoloured by desalination is sent into board-like triple effect vacuum vaporation system and carried out cryogenic vacuum and concentrate, the vaporization temperature of one effect is 80 DEG C, vacuum tightness is 0.04MPa, the vaporization temperature of two effects is 65 DEG C, vacuum tightness is 0.06MPa, the vaporization temperature of triple effect is 55 DEG C, and vacuum tightness is 0.08MPa, and the heavy syrup obtaining 78 ° of Bx is for subsequent use;
(5) crystallization: the syrup after concentrating through board-like triple effect vacuum vaporation system to be poured in crystallization basin and to drop into polycrystalline rock sugar seed, sending into crystallisation chamber crystallization and can obtain polycrystal rock sugar after 2 weeks, wherein the specification of crystallization basin is length × wide × height=45cm × 45cm × 8cm, crystallization basin is made by stainless steel sheet, the seed of polycrystalline rock sugar is by the polycrystalline rock sugar of the broken little bulk of large block polycrystalline rock sugar, every weight is 8 ~ 12g, dropping into polycrystalline rock sugar seed in each crystallization basin is 20, and be uniformly distributed, crystallisation chamber is the stone room of a fixed temperature and humidity, room temp is 50 ~ 52 DEG C, relative humidity is 80% ~ 85%, the speed of the self-evaporating speed of the moisture in whole crystallisation process in crystallization basin and crystallization of sucrose reaches balance, the degree of supersaturation of the sucrose mother liquor in crystallization basin is made to maintain in Metastable zone,
(6) dry packing: be separated with uncrystallized mother liquor by polycrystal rock sugar with centrifugal sugar centrifuge, is separated the polycrystal rock sugar obtained and gets final product finished product through super-dry, cooling, packaging.
Technic index in embodiment 1 production process is as shown in the table:
Embodiment 2
A production technique for polycrystal rock sugar, operation steps is:
(1) molten sugar: be dissolved in by white sugar in the water of 80 DEG C, is stirred to white sugar and all dissolves, and obtains the dissolved syrup of whirling of 60 ° of Bx;
(2) microfiltration of ceramic membrane: dissolved syrup of whirling delivers to microfiltration of ceramic membrane work tank, be that the ceramic membrane of 500nm carries out micro-filtration clarification with aperture, wherein transmembrane pressure is 0.25MPa, and filtration temperature is 80 DEG C, and crossflow velocity is 6m/s, obtains syrup clearly for subsequent use;
(3) ion exchange resin desalination decolouring: clear syrup is sent into after plate-type heat exchanger is cooled to 43 DEG C the first exchange resin tower and obtain the first penetrating fluid, flow velocity in resin is 2.5BV/h, blade diameter length ratio is 1/4, again the first penetrating fluid is sent into the second exchange resin tower and obtain the second penetrating fluid, flow velocity in resin is 8.5BV/h, blade diameter length ratio is 1/8, namely obtains desalination decolouring syrup for subsequent use; The first described ion exchange resin is macroporous strong basic anionresin exchange resin, and the second ion exchange resin is storng-acid cation exchange resin;
(4) vacuum concentration: the syrup that decoloured by desalination is sent into board-like triple effect vacuum vaporation system and carried out cryogenic vacuum and concentrate, the vaporization temperature of one effect is 80 DEG C, vacuum tightness is 0.04MPa, the vaporization temperature of two effects is 65 DEG C, vacuum tightness is 0.06MPa, the vaporization temperature of triple effect is 55 DEG C, and vacuum tightness is 0.08MPa, and the heavy syrup obtaining 77 ° of Bx is for subsequent use;
(5) crystallization: the syrup after concentrating through board-like triple effect vacuum vaporation system to be poured in crystallization basin and to drop into polycrystalline rock sugar seed, sending into crystallisation chamber crystallization and can obtain polycrystal rock sugar after 2 weeks; Wherein the specification of crystallization basin is length × wide × height=40cm × 40cm × 7cm, and crystallization basin is made by stainless steel sheet; The seed of polycrystalline rock sugar is by the polycrystalline rock sugar of the broken little bulk of large block polycrystalline rock sugar, every weight is 5 ~ 15g, dropping into polycrystalline rock sugar seed in each crystallization basin is 18, and be uniformly distributed, crystallisation chamber is the stone room of a fixed temperature and humidity, room temp is 53 ~ 55 DEG C, relative humidity is 85% ~ 90%, the speed of the self-evaporating speed of the moisture in whole crystallisation process in crystallization basin and crystallization of sucrose reaches balance, makes the degree of supersaturation of the sucrose mother liquor in crystallization basin maintain in Metastable zone;
(6) dry packing: be separated with uncrystallized mother liquor by polycrystal rock sugar with centrifugal sugar centrifuge, is separated the polycrystal rock sugar obtained and gets final product finished product through super-dry, cooling, packaging.
Technic index in embodiment 2 production process is as shown in the table:
Claims (10)
1. a production technique for polycrystal rock sugar, is characterized in that, comprises the steps:
(1) molten sugar: be dissolved in by white sugar in the water of 80 ~ 85 DEG C, is stirred to white sugar and all dissolves, and obtains the dissolved syrup of whirling of 55 ~ 65 ° of Bx;
(2) microfiltration of ceramic membrane: utilize ceramic microfiltration membrane to carry out micro-filtration process to dissolved syrup of whirling, obtain syrup clearly;
(3) ion exchange resin desalination decolouring: send into the first exchange resin tower after clear syrup is cooled to 40 ~ 45 DEG C and obtain the first penetrating fluid, again the first penetrating fluid is sent into the second exchange resin tower and obtain the second penetrating fluid, obtain desalination decolouring syrup;
(4) vacuum concentration: cryogenic vacuum concentration is carried out to desalination decolouring syrup, obtains the heavy syrup of 76 ~ 80 ° of Bx;
(5) crystallization: to be poured into by heavy syrup in crystallization basin and to drop into polycrystalline rock sugar seed, sends into crystallisation chamber crystallization after 2 weeks, is separated by polycrystal rock sugar, obtains polycrystal rock sugar with uncrystallized mother liquor;
(6) dry packing: polycrystal rock sugar gets product through super-dry, cooling, packaging.
2. the production technique of polycrystal rock sugar as claimed in claim 1, it is characterized in that, the water described in step (1) is deionized water.
3. the production technique of polycrystal rock sugar as claimed in claim 1, it is characterized in that, the aperture of the ceramic microfiltration membrane described in step (2) is 200 ~ 500nm, and transmembrane pressure is 0.1 ~ 0.5Mpa, filtration temperature is 70 ~ 90 DEG C, and crossflow velocity is 4.5m/s ~ 6m/s.
4. the production technique of polycrystal rock sugar as claimed in claim 1, it is characterized in that, the clear syrup turbidity described in step (2) is less than 1.00NTU.
5. the production technique of polycrystal rock sugar as claimed in claim 1, is characterized in that, the colour of the desalination decolouring syrup described in step (3) is lower than 10IU, and Conductivity ash is less than 0.003%.
6. the production technique of polycrystal rock sugar as claimed in claim 1, it is characterized in that, the first exchange resin tower described in step (3) is macroporous strong basic anionite-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 or weakly acidic cation-exchange resin, and the blade diameter length ratio of tower is 1/3 ~ 1/10, and feed velocity is 2 ~ 10BV/h.
7. the production technique of polycrystal rock sugar as claimed in claim 1, it is characterized in that, cryogenic vacuum concentration described in step (4) is board-like triple effect vacuum vaporation system, and processing parameter is as follows: temperature is 60 ~ 80 DEG C, and vacuum tightness is 0.04 ~ 0.08MPa.
8. the production technique of polycrystal rock sugar as claimed in claim 1, it is characterized in that, the seed of the polycrystal rock sugar described in step (5) is that the seed weight of every polycrystal rock sugar is 5 ~ 15g by the polycrystal rock sugar of large block polycrystal rock sugar broken little bulk.
9. the production technique of polycrystal rock sugar as claimed in claim 1, is characterized in that, the crystallization chamber fixed temperature and humidity described in step (5), room temp is 50 ~ 55 DEG C, relative humidity is 80% ~ 90%.
10. the production technique of polycrystal rock sugar as claimed in claim 1, it is characterized in that, the specification of the crystallization basin described in step (5) is: length × wide × height=40 ~ 50cm × 40 ~ 50cm × 7 ~ 10cm, the dark 4 ~ 6cm of syrup, each basin drops into 15 ~ 25, and is uniformly distributed.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104789705A (en) * | 2015-04-02 | 2015-07-22 | 广西大学 | Refined sugar clarifying method |
| CN104805228A (en) * | 2015-04-02 | 2015-07-29 | 广西大学 | Sugar juice evaporation method |
| CN104805224A (en) * | 2015-04-02 | 2015-07-29 | 广西大学 | Originally ecological black sugar processing device |
| CN104805222A (en) * | 2015-04-02 | 2015-07-29 | 广西大学 | Refined sugar clarification device |
| 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 |
| CN107937626A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of refined sugar processing method based on activated carbon decolorizing |
| CN107937627A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of method of raw sugar remelt syrup clarification decoloration |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104789705A (en) * | 2015-04-02 | 2015-07-22 | 广西大学 | Refined sugar clarifying method |
| CN104805228A (en) * | 2015-04-02 | 2015-07-29 | 广西大学 | Sugar juice evaporation method |
| CN104805224A (en) * | 2015-04-02 | 2015-07-29 | 广西大学 | Originally ecological black sugar processing device |
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| 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 |
| CN107937626A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of refined sugar processing method based on activated carbon decolorizing |
| CN107937627A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of method of raw sugar remelt syrup clarification decoloration |
| 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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| CN104480227B (en) | 2017-08-25 |
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