CN113151612A - Novel single crystal rock candy crystallization process and crystallization equipment - Google Patents
Novel single crystal rock candy crystallization process and crystallization equipment Download PDFInfo
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- 230000008025 crystallization Effects 0.000 title claims abstract description 116
- 239000013078 crystal Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000008569 process Effects 0.000 title claims abstract description 32
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 title claims description 7
- 235000000346 sugar Nutrition 0.000 claims abstract description 93
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims abstract description 43
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- 238000003756 stirring Methods 0.000 claims abstract description 27
- 239000011435 rock Substances 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000012153 distilled water Substances 0.000 claims abstract description 7
- 238000004321 preservation Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 6
- 230000014759 maintenance of location Effects 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 235000021551 crystal sugar Nutrition 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 12
- 229910021511 zinc hydroxide Inorganic materials 0.000 claims description 11
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical class [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 10
- 235000009508 confectionery Nutrition 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 8
- 230000018044 dehydration Effects 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- PENRVBJTRIYHOA-UHFFFAOYSA-L zinc dithionite Chemical compound [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 0.000 claims description 8
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 claims description 8
- 229940007718 zinc hydroxide Drugs 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
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- 230000003196 chaotropic effect Effects 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
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- 150000003839 salts Chemical class 0.000 claims description 4
- 238000010517 secondary reaction Methods 0.000 claims description 4
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B30/00—Crystallisation; Crystallising apparatus; Separating crystals from mother liquors ; Evaporating or boiling sugar juice
- C13B30/02—Crystallisation; Crystallising apparatus
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B30/00—Crystallisation; Crystallising apparatus; Separating crystals from mother liquors ; Evaporating or boiling sugar juice
- C13B30/04—Separating crystals from mother liquor
- C13B30/06—Separating crystals from mother liquor by centrifugal force
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B30/00—Crystallisation; Crystallising apparatus; Separating crystals from mother liquors ; Evaporating or boiling sugar juice
- C13B30/04—Separating crystals from mother liquor
- C13B30/14—Dissolving or refining raw sugar
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention discloses a novel single crystal rock sugar crystallization process and equipment, and the key points of the technical scheme are as follows: the method comprises the following steps: s11, sugar melting: sequentially putting high-quality white granulated sugar and distilled water into a heating container, and controlling the weight ratio of the white granulated sugar to the water to be 19: 3, starting the heating container to heat and dissolve the white granulated sugar, and obtaining sugar liquor after the white granulated sugar is completely dissolved; s12, color retention: adding sodium hydrosulfite into the heating container, and fully stirring and dissolving the sodium hydrosulfite and the sugar solution; s13, filtering: after the sugar solution and the sodium hydrosulfite are fully mixed and dissolved, starting a heating container to heat at a heating rate of 5 ℃/min, detecting the sugar degree of the sugar solution by using a measuring instrument, and stopping heating for heat preservation and stirring when the brix of the sugar solution is 45-60 BX; the effects of clear and reasonable process flow, high crystallization efficiency, difficult crystal breakage, high hardness, uniform color without impurity color and uniform and full finished product particles are achieved.
Description
Technical Field
The invention belongs to the field of single crystal rock sugar crystallization processes, particularly relates to a novel single crystal rock sugar crystallization process, and further relates to novel single crystal rock sugar crystallization equipment.
Background
The monocrystal rock sugar is prepared by purifying and dissolving white granulated sugar, and crystallizing, and is in a monocrystal shape, and various ions or atoms forming the whole crystal are all arranged in a certain direction and sequence, namely a monocrystal. Both the single crystal rock sugar and the polycrystalline rock sugar are made of sugar, and the nutritive values of the single crystal rock sugar and the polycrystalline rock sugar are the same. However, the purity of the single crystal rock sugar is a little higher because of different crystallization processes. Apparently, the single crystal is one small piece by one small piece, and the color is whitish; the polycrystal is a large block and a plurality of large water chestnuts and is relatively transparent. The rock sugar is sweet in taste and neutral in nature, and enters lung and spleen meridians; has effects in invigorating middle warmer, invigorating qi, regulating stomach function, and moistening lung; the crystal sugar has the effects of nourishing yin, promoting the production of body fluid, moistening lung, and relieving cough, and has good adjuvant treatment effects on cough due to lung dryness, dry cough without phlegm, and expectoration with blood; can be used for treating cough and asthma due to lung dryness, lung deficiency, and wind-cold fatigue, infantile malaria, dysentery, aphtha, and toothache due to pathogenic wind-fire. The traditional Chinese medicine considers that the rock sugar has the functions of moistening lung, relieving cough, clearing phlegm and reducing internal heat.
Reference may be made to chinese patent publication No. CN103276114B, which discloses a breeding process of a single crystal sugar, wherein a seed material is prepared by using granulated sugar with complete crystal form in advance, and the seed of the single crystal sugar is inoculated in the crystallization process of the granulated sugar, and the principle is as follows: the granulated sugar in the massecuite absorbs a great amount of precipitated sucrose crystals, so that the balance between the precipitation of the sucrose crystals and the crystallization is maintained, and the risk of generating pseudo crystals is eliminated; depending on the viscosity of the granulated sugar massecuite, the large-grain seeds with few components are maintained to be dispersed, circulated and gradually grow to the grain size of more than 4.0 mm, and are separated by utilizing the original granulated sugar screening device to obtain the single-crystal ice seeds with complete crystal forms and sufficient quantity and grain size of more than 4 mm.
Above-mentioned patent has, has reduced the seed production expense, has guaranteed the seed quality, and seed quantity does not receive polycrystal crystal sugar output restriction, and the advantage of the obvious improvement of single crystal sugar quality of output, but it also has the defect, if: the preparation process is complicated in flow and low in rationality, so that the prepared product is uneven in particle, low in hardness and easy to break, the product is inconsistent in color, the process is long, and the crystallization rate is low.
Disclosure of Invention
The invention aims to provide a novel single crystal rock candy crystallization process and equipment to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a novel single crystal rock sugar crystallization process comprises the following steps:
s11, sugar melting: sequentially putting high-quality white granulated sugar and distilled water into a heating container, and controlling the weight ratio of the white granulated sugar to the water to be 19: 3, starting the heating container to heat and dissolve the white granulated sugar, and obtaining sugar liquor after the white granulated sugar is completely dissolved;
s12, color retention: adding sodium hydrosulfite into the heating container, and fully stirring and dissolving the sodium hydrosulfite and the sugar solution;
s13, filtering: after the sugar solution and the sodium hydrosulfite are fully mixed and dissolved, starting a heating container to heat at a heating rate of 5 ℃/min, detecting the sugar degree of the sugar solution by using a measuring instrument, stopping heating for heat preservation and stirring when the brix of the sugar solution is 45-60BX, adding a saturated calcium chloride solution into the sugar solution for continuous mixing, and removing insoluble substances in the sugar solution by using a filtering device after the sugar solution and the saturated calcium chloride solution are fully mixed;
s14, crystallization: injecting the sugar solution prepared in the step S13 into the vacuum crystallization tank body by using a material pump, then putting seed crystals into the vacuum crystallization tank body, starting a servo motor to drive a rotating assembly to rotate at a constant speed when putting the seed crystals, mixing and stirring the sugar solution and the seed crystals, correspondingly adjusting the temperature and the vacuum degree in the vacuum crystallization tank body by a heating assembly and an exhaust pipe when putting the seed crystals, then crystallizing and growing the crystals, and obtaining a crystallization solution after the crystallization is finished;
s15, chaotropic: and (4) putting the crystal liquid obtained in the step (S14) into centrifugal equipment to separate solid and liquid, and drying the obtained wet sugar by using a vibrating fluidized bed and cooling the obtained wet sugar by using a cooling bed to obtain the single crystal rock sugar.
Preferably, the addition amount of the sodium hydrosulfite is 0.0026 percent of the weight of the white granulated sugar.
Preferably, after the crystallization in S14 is completed, the vacuum crystallization tank is vented to maintain the pressure in the vacuum crystallization tank at normal pressure.
Preferably, the vacuum degree in the vacuum crystallization tank body is 0.07-0.08 kpa.
Preferably, in S14, the temperature of the vacuum crystallization tank body is controlled at 48 ℃, and after heat preservation and crystal growth are performed for 8 hours, the vacuum crystallization tank body is controlled to cool according to a crystallization curve so that the sugar solution is continuously saturated.
Preferably, the crystal seeds are obtained by crushing polycrystalline rock candies and then sieving the crushed polycrystalline rock candies through a filter sieve, and the particle size of the crushed grains of the polycrystalline rock candies is controlled to be 2-6 mm.
Preferably, the preparation process of the sodium hydrosulfite comprises the following steps:
s21, primary reaction: introducing 99.9% of sulfur dioxide into the water suspension of zinc powder, and reacting at 35-45 ℃ to obtain a zinc hydrosulfite solution;
s22, secondary reaction: then adding caustic soda solution into the zinc hydrosulfite solution, and carrying out double decomposition reaction under the condition of cooling and stirring to obtain sodium hydrosulfite and zinc hydroxide suspension;
s23, pulverizing: filtering the suspension of sodium hydrosulfite and zinc hydroxide by using a filtering device, injecting the filtered suspension into a reaction bottle, adding refined salt into the reaction bottle under cooling and stirring for salting out, controlling the reaction temperature to gradually decrease from 36 ℃ to 20 ℃, standing for 2h, then heating to 58-60 ℃ for dehydration, adding ethanol into the solution for alcohol washing after the dehydration is finished, and adding soda ash into the solution after drying to obtain the sodium hydrosulfite.
Preferably, the chemical formula used in the preparation process of the sodium hydrosulfite comprises the following steps:
Zn+2SO2→ZnS2O4ZnS2O4+2NaOH→Na2S2O4+Zn(OH)2。
the invention also provides a crystallization device of the novel single crystal sugar, which comprises a vacuum crystallization tank body, wherein a rotating assembly is arranged in an inner cavity of the vacuum crystallization tank body, the rotating assembly comprises a rotating rod which is rotatably connected in the inner cavity of the vacuum crystallization tank body, a plurality of stirring rods are symmetrically and fixedly connected to the rotating rod, a heating assembly for heating is further arranged in the inner cavity of the vacuum crystallization tank body, a servo motor for driving the rotating rod to rotate is fixedly installed at the top of the vacuum crystallization tank body, a feeding pipe is fixedly communicated with one side of the vacuum crystallization tank body, a discharging pipe is fixedly communicated with the bottom of the vacuum crystallization tank body, and an exhaust pipe and an air inlet pipe for steam to enter are fixedly communicated with the vacuum crystallization tank body.
Preferably, the inlet pipe with be provided with the solenoid valve on the discharging pipe respectively, the outer wall of vacuum crystallization jar body is provided with intelligent control panel.
Compared with the prior art, the invention has the beneficial effects that:
this novel single crystal sugar crystallization process and crystallization equipment, the process flow is reasonable clear, through the ratio between reasonable selection white granulated sugar and the distilled water, control the sugar liquid concentration that gets into in the vacuum crystallization jar body and add appropriate amount of saturated calcium chloride solution, not only can shorten the crystallization time of sugar liquid, can also strengthen the hardness of crystalline, the single crystal sugar that obtains through this technology integrality is good, the hardness is big, the granule is even plump, moreover the addition of sodium hydrosulfite can effectively protect the colour of decocting the sugar liquid even, ensure the colour of finished product single crystal sugar unanimity, to sum up can make the invention reach the process flow clear reasonable, crystallization efficiency is higher, the crystal is difficult for breakage and the hardness is higher, the colour is even no mixed colour, the even plump effect of finished product granule.
Drawings
FIG. 1 is a block diagram of a process flow of the present invention;
FIG. 2 is a block diagram of the process flow of sodium hydrosulfite of the invention;
FIG. 3 is a block diagram of the present invention;
fig. 4 is a structural sectional view of the present invention.
In the figure: 1. a vacuum crystallization tank body; 2. a rotating assembly; 3. rotating the rod; 4. a stirring rod; 5. a heating assembly; 6. a servo motor; 7. a feed pipe; 8. a discharge pipe; 9. an exhaust pipe; 10. an air inlet pipe; 11. an electromagnetic valve; 12. an intelligent control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to FIGS. 1-4
Example 1
Referring to fig. 1, a novel process for crystallizing single crystal sugar comprises the following steps:
s11, sugar melting: sequentially putting high-quality white granulated sugar and distilled water into a heating container, and controlling the weight ratio of the white granulated sugar to the water to be 19: 3, starting the heating container to heat and dissolve the white granulated sugar, and obtaining sugar liquor after the white granulated sugar is completely dissolved;
s12, color retention: adding sodium hydrosulfite into the heating container, and fully stirring and dissolving the sodium hydrosulfite and the sugar solution;
s13, filtering: after the sugar solution and the sodium hydrosulfite are fully mixed and dissolved, starting a heating container to heat at a heating rate of 5 ℃/min, detecting the sugar degree of the sugar solution by using a measuring instrument, stopping heating when the brix of the sugar solution is 50BX, carrying out heat preservation stirring, adding a saturated calcium chloride solution into the sugar solution for continuous mixing, and removing insoluble substances in the sugar solution by using a filtering device after the sugar solution and the saturated calcium chloride solution are fully mixed;
s14, crystallization: injecting the sugar solution prepared in the step S13 into the vacuum crystallization tank body 1 by using a material pump, then adding seed crystals into the vacuum crystallization tank body 1, starting the servo motor 6 to drive the rotating assembly 2 to rotate at a constant speed when adding the seed crystals, mixing and stirring the sugar solution and the seed crystals, correspondingly adjusting the temperature and the vacuum degree in the vacuum crystallization tank body 1 by using the heating assembly 5 and the exhaust pipe 9 when adding the seed crystals, then crystallizing and growing the crystals, and obtaining a crystallization solution after the crystallization is finished;
s15, chaotropic: and (4) putting the crystal liquid obtained in the step (S14) into centrifugal equipment to separate solid and liquid, and drying the obtained wet sugar by using a vibrating fluidized bed and cooling the obtained wet sugar by using a cooling bed to obtain the single crystal rock sugar.
In this embodiment, preferably, the added amount of the sodium hydrosulfite is 0.0026% of the weight of the white granulated sugar.
In this embodiment, it is preferable that the vacuum crystallization tank body 1 is vented after completion of the crystallization in S14, so that the pressure of the vacuum crystallization tank body 1 is maintained at atmospheric pressure.
In this embodiment, the vacuum degree in the vacuum crystallization tank main body 1 is preferably 0.07 kpa.
In this embodiment, preferably, in S14, the temperature of the vacuum crystallization tank body 1 is controlled at 48 ℃, and after the vacuum crystallization tank body 1 is kept at the temperature for growing the crystals for 8 hours, the temperature of the vacuum crystallization tank body 1 is controlled to be lowered according to the crystallization curve so that the sugar solution is continuously saturated.
In this embodiment, preferably, the seed crystal is obtained by crushing polycrystal crystal sugar and then sieving, and the particle size of the crushed particles of the polycrystal crystal sugar is controlled to be 2 mm.
Referring to fig. 2, in this embodiment, preferably, the preparation process of the sodium hydrosulfite is as follows:
s21, primary reaction: introducing 99.9% of sulfur dioxide into the water suspension of zinc powder, and reacting at 45 ℃ to obtain a zinc hydrosulfite solution;
s22, secondary reaction: then adding caustic soda solution into the zinc hydrosulfite solution, and carrying out double decomposition reaction under the condition of cooling and stirring to obtain sodium hydrosulfite and zinc hydroxide suspension;
s23, pulverizing: filtering the suspension of sodium hydrosulfite and zinc hydroxide by using a filtering device, injecting the filtered suspension into a reaction bottle, adding refined salt into the reaction bottle under cooling and stirring for salting out, controlling the reaction temperature to gradually decrease from 36 ℃ to 20 ℃, standing for 2h, then heating to 60 ℃ for dehydration, adding ethanol into the solution for alcohol washing after the dehydration is finished, and adding soda ash into the solution after drying to obtain the sodium hydrosulfite.
In this embodiment, preferably, the chemical formula used in the sodium hydrosulfite preparation process includes:
Zn+2SO2→ZnS2O4ZnS2O4+2NaOH→Na2S2O4+Zn(OH)2。
referring to fig. 3-4, the invention further provides a novel crystallization device for single crystal sugar, which comprises a vacuum crystallization tank body 1, wherein a rotating assembly 2 is arranged in an inner cavity of the vacuum crystallization tank body 1, the rotating assembly 2 comprises a rotating rod 3 rotatably connected in the inner cavity of the vacuum crystallization tank body 1, a plurality of stirring rods 4 are symmetrically and fixedly connected on the rotating rod 3, a heating assembly 5 for heating is further arranged in the inner cavity of the vacuum crystallization tank body 1, a servo motor 6 for driving the rotating rod 3 to rotate is fixedly installed at the top of the vacuum crystallization tank body 1, a feeding pipe 7 is fixedly communicated with one side of the vacuum crystallization tank body 1, a discharging pipe 8 is fixedly communicated with the bottom of the vacuum crystallization tank body 1, and an exhaust pipe 9 and an air inlet pipe 10 for steam to enter are fixedly communicated with the vacuum crystallization tank body 1.
In this embodiment, preferably, the feeding pipe 7 and the discharging pipe 8 are respectively provided with an electromagnetic valve 11, and the outer wall of the vacuum crystallization tank body 1 is provided with an intelligent control panel 12.
The working principle and the using process of the invention are as follows:
this novel single crystal sugar crystallization process, this novel single crystal sugar crystallization process and crystallization equipment, the process flow is reasonable clear, through the ratio between reasonable selection white granulated sugar and the distilled water, control the sugar liquid concentration that gets into in vacuum crystallization jar body 1 and add appropriate amount of saturated calcium chloride solution, not only can shorten the crystallization time of sugar liquid, can also strengthen the hardness of crystalline, the single crystal sugar integrality that obtains through this technology is good, the hardness is big, the granule is even plump, moreover the addition of sodium hydrosulfite can effectively protect the colour of decocting the sugar liquid even, ensure the colour of finished product single crystal sugar unanimity, to sum up can make the invention reach the process flow clear reasonable, crystallization efficiency is higher, the crystal is difficult for breakage and the hardness is higher, the colour is even no mixed colour, the even plump effect of finished product granule.
Example 2
Referring to fig. 1, a novel process for crystallizing single crystal sugar comprises the following steps:
s11, sugar melting: sequentially putting high-quality white granulated sugar and distilled water into a heating container, and controlling the weight ratio of the white granulated sugar to the water to be 19: 3, starting the heating container to heat and dissolve the white granulated sugar, and obtaining sugar liquor after the white granulated sugar is completely dissolved;
s12, color retention: adding sodium hydrosulfite into the heating container, and fully stirring and dissolving the sodium hydrosulfite and the sugar solution;
s13, filtering: after the sugar solution and the sodium hydrosulfite are fully mixed and dissolved, starting a heating container to heat at a heating rate of 5 ℃/min, detecting the sugar degree of the sugar solution by using a measuring instrument, stopping heating when the brix of the sugar solution is 50BX, carrying out heat preservation stirring, adding a saturated calcium chloride solution into the sugar solution for continuous mixing, and removing insoluble substances in the sugar solution by using a filtering device after the sugar solution and the saturated calcium chloride solution are fully mixed;
s14, crystallization: injecting the sugar solution prepared in the step S13 into the vacuum crystallization tank body 1 by using a material pump, then adding seed crystals into the vacuum crystallization tank body 1, starting the servo motor 6 to drive the rotating assembly 2 to rotate at a constant speed when adding the seed crystals, mixing and stirring the sugar solution and the seed crystals, correspondingly adjusting the temperature and the vacuum degree in the vacuum crystallization tank body 1 by using the heating assembly 5 and the exhaust pipe 9 when adding the seed crystals, then crystallizing and growing the crystals, and obtaining a crystallization solution after the crystallization is finished;
s15, chaotropic: and (4) putting the crystal liquid obtained in the step (S14) into centrifugal equipment to separate solid and liquid, and drying the obtained wet sugar by using a vibrating fluidized bed and cooling the obtained wet sugar by using a cooling bed to obtain the single crystal rock sugar.
Referring to fig. 2, in this embodiment, preferably, the preparation process of the sodium hydrosulfite is as follows:
s21, primary reaction: introducing 99.9% of sulfur dioxide into the water suspension of zinc powder, and reacting at 45 ℃ to obtain a zinc hydrosulfite solution;
s22, secondary reaction: then adding caustic soda solution into the zinc hydrosulfite solution, and carrying out double decomposition reaction under the condition of cooling and stirring to obtain sodium hydrosulfite and zinc hydroxide suspension;
s23, pulverizing: filtering the suspension of sodium hydrosulfite and zinc hydroxide by using a filtering device, injecting the filtered suspension into a reaction bottle, adding refined salt into the reaction bottle under cooling and stirring for salting out, controlling the reaction temperature to gradually decrease from 36 ℃ to 20 ℃, standing for 2h, then heating to 60 ℃ for dehydration, adding ethanol into the solution for alcohol washing after the dehydration is finished, and adding soda ash into the solution after drying to obtain the sodium hydrosulfite.
Referring to fig. 3-4, the invention further provides a novel crystallization device for single crystal sugar, which comprises a vacuum crystallization tank body 1, wherein a rotating assembly 2 is arranged in an inner cavity of the vacuum crystallization tank body 1, the rotating assembly 2 comprises a rotating rod 3 rotatably connected in the inner cavity of the vacuum crystallization tank body 1, a plurality of stirring rods 4 are symmetrically and fixedly connected on the rotating rod 3, a heating assembly 5 for heating is further arranged in the inner cavity of the vacuum crystallization tank body 1, a servo motor 6 for driving the rotating rod 3 to rotate is fixedly installed at the top of the vacuum crystallization tank body 1, a feeding pipe 7 is fixedly communicated with one side of the vacuum crystallization tank body 1, a discharging pipe 8 is fixedly communicated with the bottom of the vacuum crystallization tank body 1, and an exhaust pipe 9 and an air inlet pipe 10 for steam to enter are fixedly communicated with the vacuum crystallization tank body 1.
In this embodiment, preferably, the feeding pipe 7 and the discharging pipe 8 are respectively provided with an electromagnetic valve 11, and the outer wall of the vacuum crystallization tank body 1 is provided with an intelligent control panel 12.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A novel single crystal rock candy crystallization process is characterized by comprising the following steps:
s11, sugar melting: sequentially putting high-quality white granulated sugar and distilled water into a heating container, and controlling the weight ratio of the white granulated sugar to the water to be 19: 3, starting the heating container to heat and dissolve the white granulated sugar, and obtaining sugar liquor after the white granulated sugar is completely dissolved;
s12, color retention: adding sodium hydrosulfite into the heating container, and fully stirring and dissolving the sodium hydrosulfite and the sugar solution;
s13, filtering: after the sugar solution and the sodium hydrosulfite are fully mixed and dissolved, starting a heating container to heat at a heating rate of 5 ℃/min, detecting the sugar degree of the sugar solution by using a measuring instrument, stopping heating for heat preservation and stirring when the brix of the sugar solution is 45-60BX, adding a saturated calcium chloride solution into the sugar solution for continuous mixing, and removing insoluble substances in the sugar solution by using a filtering device after the sugar solution and the saturated calcium chloride solution are fully mixed;
s14, crystallization: injecting the sugar solution prepared by S13 into a vacuum crystallization tank body (1) by using a material pump, then adding seed crystals into the vacuum crystallization tank body (1), starting a servo motor (6) to drive a rotating component (2) to rotate at a constant speed during adding, mixing and stirring the sugar solution and the seed crystals, correspondingly adjusting the temperature and the vacuum degree in the vacuum crystallization tank body (1) through a heating component (5) and an exhaust pipe (9) during adding the seed crystals, then crystallizing and growing the crystals, and obtaining a crystalline liquid after crystallization is completed;
s15, chaotropic: and (4) putting the crystal liquid obtained in the step (S14) into centrifugal equipment to separate solid and liquid, and drying the obtained wet sugar by using a vibrating fluidized bed and cooling the obtained wet sugar by using a cooling bed to obtain the single crystal rock sugar.
2. A novel process for the crystallization of single crystal sugar candy according to claim 1, wherein: the addition amount of the sodium hydrosulfite is 0.0026 percent of the weight of the white granulated sugar.
3. A novel process for the crystallization of single crystal sugar candy according to claim 1, wherein: and after the crystallization in the S14 is finished, emptying the vacuum crystallization tank body (1) to keep the pressure of the vacuum crystallization tank body (1) in a normal pressure state.
4. A novel process for the crystallization of single crystal sugar candy according to claim 1, wherein: the vacuum degree in the vacuum crystallization tank body (1) is 0.07-0.08 kpa.
5. A novel process for the crystallization of single crystal sugar candy according to claim 1, wherein: and in the S14, controlling the temperature of the vacuum crystallization tank body (1) to be 48 ℃, and after heat preservation and crystal growth are carried out for 8 hours, controlling the vacuum crystallization tank body (1) to cool according to a crystallization curve so as to enable sugar liquor to reach a saturated state continuously.
6. A novel process for the crystallization of single crystal sugar candy according to claim 1, wherein: the crystal seeds are obtained by crushing polycrystalline rock sugar and then sieving the crushed crystal sugar, and the particle size of the crushed grains of the polycrystalline rock sugar is controlled to be 2-6 mm.
7. A novel process for the crystallization of single crystal sugar candy according to claim 1, wherein: the preparation process of the sodium hydrosulfite comprises the following steps:
s21, primary reaction: introducing 99.9% of sulfur dioxide into the water suspension of zinc powder, and reacting at 35-45 ℃ to obtain a zinc hydrosulfite solution;
s22, secondary reaction: then adding caustic soda solution into the zinc hydrosulfite solution, and carrying out double decomposition reaction under the condition of cooling and stirring to obtain sodium hydrosulfite and zinc hydroxide suspension;
s23, pulverizing: filtering the suspension of sodium hydrosulfite and zinc hydroxide by using a filtering device, injecting the filtered suspension into a reaction bottle, adding refined salt into the reaction bottle under cooling and stirring for salting out, controlling the reaction temperature to gradually decrease from 36 ℃ to 20 ℃, standing for 2h, then heating to 58-60 ℃ for dehydration, adding ethanol into the solution for alcohol washing after the dehydration is finished, and adding soda ash into the solution after drying to obtain the sodium hydrosulfite.
8. A novel process for the crystallisation of single crystal ice sugar according to claim 7, characterised in that: the chemical formula used in the preparation process of the sodium hydrosulfite comprises the following steps:
Zn+2SO2→ZnS2O4ZnS2O4+2NaOH→Na2S2O4+Zn(OH)2。
9. the utility model provides a crystallization equipment of novel single crystal rock candy which characterized in that: comprises a vacuum crystallization tank body (1), a rotating component (2) is arranged in the inner cavity of the vacuum crystallization tank body (1), the rotating component (2) comprises a rotating rod (3) which is rotatably connected in the inner cavity of the vacuum crystallizing tank body (1), a plurality of stirring rods (4) are symmetrically and fixedly connected on the rotating rod (3), a heating component (5) for heating is also arranged in the inner cavity of the vacuum crystallization tank body (1), a servo motor (6) for driving the rotating rod (3) to rotate is fixedly arranged at the top of the vacuum crystallization tank body (1), a feeding pipe (7) is fixedly communicated with one side of the vacuum crystallization tank body (1), a discharge pipe (8) is fixedly communicated with the bottom of the vacuum crystallization tank body (1), the vacuum crystallization tank body (1) is also fixedly communicated with an exhaust pipe (9) and an air inlet pipe (10) for steam to enter.
10. A novel crystallization equipment of single crystal sugar according to claim 9, characterized in that: the inlet pipe (7) with be provided with solenoid valve (11) on discharging pipe (8) respectively, the outer wall of vacuum crystallization jar body (1) is provided with intelligent control panel (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110316600.9A CN113151612A (en) | 2021-03-25 | 2021-03-25 | Novel single crystal rock candy crystallization process and crystallization equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110316600.9A CN113151612A (en) | 2021-03-25 | 2021-03-25 | Novel single crystal rock candy crystallization process and crystallization equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106435044A (en) * | 2016-11-11 | 2017-02-22 | 陆良县云食品有限公司 | Method for manufacturing monocrystal rock candy |
| CN206940919U (en) * | 2017-05-20 | 2018-01-30 | 米易华森糖业有限责任公司 | One kind sugaring crystallizing tank |
| CN207958408U (en) * | 2018-02-08 | 2018-10-12 | 金元萍 | A kind of monocrystal rock sugar production crystallizing tank |
| CN110959731A (en) * | 2018-09-30 | 2020-04-07 | 台山市甘蔗林糖业有限公司 | Production process of monocrystal rock sugar |
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2021
- 2021-03-25 CN CN202110316600.9A patent/CN113151612A/en active Pending
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|---|---|---|---|---|
| CN106435044A (en) * | 2016-11-11 | 2017-02-22 | 陆良县云食品有限公司 | Method for manufacturing monocrystal rock candy |
| CN206940919U (en) * | 2017-05-20 | 2018-01-30 | 米易华森糖业有限责任公司 | One kind sugaring crystallizing tank |
| CN207958408U (en) * | 2018-02-08 | 2018-10-12 | 金元萍 | A kind of monocrystal rock sugar production crystallizing tank |
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Application publication date: 20210723 |