CN206705992U - A kind of continuous oscillation drift tube type equipment of crystallisation by cooling of antierythrite - Google Patents
A kind of continuous oscillation drift tube type equipment of crystallisation by cooling of antierythrite Download PDFInfo
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- CN206705992U CN206705992U CN201720396589.0U CN201720396589U CN206705992U CN 206705992 U CN206705992 U CN 206705992U CN 201720396589 U CN201720396589 U CN 201720396589U CN 206705992 U CN206705992 U CN 206705992U
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Abstract
The utility model is specifically related to a kind of continuous oscillation drift tube type equipment of crystallisation by cooling of antierythrite, specifically it is made up of the extension type crystallizer of plural serial stage, and along the central axial setting circular baffle plate in each sleeve pipe, by circular baffle plate along pipe central axial reciprocating vibration, significantly improve the flow of fluid of continuous extension type crystallizer near-wall and microcosmic admixture, the crystal particles even suspension in crystalline mother solution can also be made, even if also almost reaching horizontal sliding flow pattern RTD (residence time destribution) at low flow rates, efficiently solve the intrinsic persistent ailment for restricting conventional tubular continuous crystalizer commercial Application, as wall easily deposits/separated out the brilliant dirt of Crystallization so as to significantly reduce heat transfer efficiency, radial temperature concentration gradient is larger caused by tube wall retention layer is thicker under low shear rate, local degree of supersaturation is higher to wait technical barrier.The utility model also has the advantages that continuous production, can effectively reduce antierythrite crystallization production cost.
Description
Technical field
The utility model belongs to multi-sugar alcohol production technical field, and in particular to a kind of continuous oscillation flow tube of antierythrite
Formula equipment of crystallisation by cooling.
Background technology
Antierythrite is a kind of natural saccharic and Functional sweetening agents, is widely used in developing health food low in calories, glycosuria
The functional food or beverage, children special-purpose of disease and the crowd such as glucose uncomfortable diseases clean the teeth articles for use etc., and market prospects are very good.
The production technology of antierythrite mainly has chemical synthesis and fermentation method, is finally both needed to use Crystallization Separation technology,
Antierythrite product could be obtained.At present, the crystallization processes of antierythrite production are mainly periodic crystallisation operation, such as evaporation knot
Brilliant, crystallisation by cooling and dilution crystallization.Compared to batch crystallization process, continuous crystallisation is steady state operation, have running cost it is low,
The advantages that utilization rate of equipment and installations is high, production capacity is big, automaticity is high.Moreover, state Behavior of Continuous Crystallization Processes product quality is stable, can
Effectively avoid the differences between batches phenomenon of batch crystallization process product quality.In addition, continuous crystallisation also have procedure parameter it is easy to control,
The advantages that being more easy to realize industry amplification.
At present, the Continuous Cooling Crystallization equipment of main flow is broadly divided into two major classes：Mix suspending mixing discharging crystallizer
And tube type mold (MSMPR).Although MSMPR crystallizers are because the advantages that its is simple in construction, manipulation is convenient, is in current continuous knot
It is widely used in brilliant process (no matter laboratory, or commercial scale), but there is also following deficiency：Bad microcosmic mixing causes
Localised high shear region and local supersaturation are serious (secondary nucleation, crystal fracture etc.)；Contain solids on tinuous production
The conveying of material；The drawback such as non-linear of industrial amplification process.
And tube type mold is when being applied to Continuous Cooling Crystallization process, because the temperature difference is larger at the tube wall that exchanges heat, crystal is easily in pipe
The phenomenon that wall deposition separates out is very serious, or even the phenomenon for blocking tube type mold occurs.
The content of the invention
The utility model is intended to overcome above-mentioned technological deficiency, there is provided a kind of continuous oscillation drift tube type cooling knot of antierythrite
Brilliant device, can effectively solve easily to deposit the phenomenon for separating out crystal at continuous pipe type cooler crystallizer tube wall.
To achieve the above object, the continuous oscillation drift tube type equipment of crystallisation by cooling of the utility model antierythrite, specific bag
Include crystalline mother solution storage tank (1), pump (2), tube type mold group, plunger pump (4)；The tube type mold group by plural serial stage set
Tube type mold (3) forms, and series connection series n is the natural number more than 1；Described sleeve pipe formula crystallizer (3) is provided with tube side import
(31), tube side outlet (32), shell side import (33) and shell-side outlet (34), it is interior formed with phase in each extension type crystallizer (3)
The tube side passage and shell side passage mutually isolated, described tube side passage connect with tube side import (31) and tube side outlet (32)；Institute
The shell side passage stated connects with shell side import (33) with shell-side outlet (34)；
Described sleeve pipe formula crystallizer (3) piece damper rod of central axial setting along pipe, from damper rod close to bushing type knot
One end of brilliant device (3) tube side import (31) starts, and sets circular baffle plate evenly and at intervals, and damper rod passes perpendicularly through each circular gear
The circle center of plate, damper rod are connected close to one end of extension type crystallizer (3) tube side outlet (32) by plunger and plunger pump (4)
Connecing, enable damper rod along central axial reciprocating vibration in extension type crystallizer pipe, its frequency of oscillation is 1 ~ 10Hz, amplitude is 1 ~
5cm；
Using the sequence of flow of crystalline mother solution as reference, in the tube type mold group of described plural serial stage, the 1st bushing type
The tube side outlet (32) of crystallizer (3) is female by pipeline communication, crystallization with the tube side import (31) of subsequent casings formula crystallizer (3)
Liquid is added by the tube side import (31) of the 1st extension type crystallizer (3) by pump (2), by last set after being gradually cooled as it passes through the cooler
The tube side outlet (32) of tube type mold (3) flows continually out, then sends to filtering, washing, dries, and obtains erythritol crystal product；
Using the sequence of flow of crystalline mother solution as reference, in the tube type mold group of described plural serial stage, the 1st bushing type
The shell side import (33) of crystallizer (3) passes through pipeline communication, cooling water with the shell-side outlet (34) of subsequent casings formula crystallizer (3)
Entered by the shell side import (33) of last extension type crystallizer (3), cool down the extension type crystallizer of each series connection step by step
(3) flowed out after by the shell-side outlet (34) of the 1st extension type crystallizer (3)；
The diameter of described circular baffle plate is 0.3 ~ 0.8 times of extension type crystallizer (3) tube side diameter, on every damper rod
The spacing of two neighboring circular baffle plate is 1.0 ~ 10 times of extension type crystallizer (3) tube side diameter；
The length of described damper rod is 0.6 ~ 0.8 times of extension type crystallizer (3) tube side length.
Described crystalline mother solution storage tank (1) is the jacketed storage tank of controllable temperature.
Due to there is following good effect compared with prior art using above-mentioned technical proposal, the utility model：
(1) the continuous oscillation drift tube type equipment of crystallisation by cooling of the antierythrite involved by the utility model, in bushing type knot
Brilliant device is central axial along pipe to be provided with baffle plate, and effectively improves extension type crystallizer tube wall surface by the vibration of baffle plate
Flow of fluid and microcosmic admixture, the technical disadvantages of MSMPR crystallizers are not only effectively overcome, also efficiently solve restriction and pass
The intrinsic persistent ailment of formula continuous crystalizer commercial Application under the overall leadership, as wall easily deposits/separated out the brilliant dirt of Crystallization so as to significantly drop
Low heat transfer efficiency, radial temperature-concentration gradient is larger caused by tube wall retention layer is thicker under low shear rate, part is supersaturated
Degree is higher to wait technical barrier.
(2) the continuous oscillation drift tube type equipment of crystallisation by cooling of the antierythrite involved by the utility model, the vibration of baffle plate
Mixing, Mass and heat transfer in efficient hardening double-pipe chiller so that extension type crystallizer can remain to realize at low flow rates
Good mixing radially, axially and the advantages that the crystal particles even suspension in crystalline mother solution can be made.Also, shaken by baffle plate
Mixing intensity in extension type crystallizer can accurately be regulated and controled by swinging frequency and amplitude, even if also almost reaching at low flow rates
Horizontal sliding flow pattern RTD (residence time destribution).
Brief description of the drawings
Fig. 1 is the utility model schematic diagram.
Embodiment
Explanation that the utility model is further explained below in conjunction with the accompanying drawings, not to the limitation of its protection domain.
As shown in figure 1, the continuous oscillation drift tube type equipment of crystallisation by cooling of the antierythrite involved by the utility model, specifically
Including crystalline mother solution storage tank (1), pump (2), tube type mold group, plunger pump (4)；The tube type mold group is by plural serial stage
Extension type crystallizer (3) forms, series connection series n=4；Described sleeve pipe formula crystallizer (3) is provided with tube side import (31), tube side goes out
Mouth (32), shell side import (33) and shell-side outlet (34), it is interior formed with mutually isolated tube side in each extension type crystallizer (3)
Passage and shell side passage, described tube side passage connect with tube side import (31) and tube side outlet (32)；Described shell side passage
Connected with shell side import (33) with shell-side outlet (34)；
Described sleeve pipe formula crystallizer (3) piece damper rod of central axial setting along pipe, from damper rod close to bushing type knot
One end of brilliant device (3) tube side import (31) starts, and sets circular baffle plate evenly and at intervals, and damper rod passes perpendicularly through each circular gear
The circle center of plate, damper rod are connected close to one end of extension type crystallizer (3) tube side outlet (32) by plunger and plunger pump (4)
Connecing, enable damper rod along central axial reciprocating vibration in extension type crystallizer pipe, its frequency of oscillation is 1 ~ 5Hz, amplitude is 2 ~
5cm；
Using the sequence of flow of crystalline mother solution as reference, in the tube type mold group of described plural serial stage, the 1st bushing type
The tube side outlet (32) of crystallizer (3) is female by pipeline communication, crystallization with the tube side import (31) of subsequent casings formula crystallizer (3)
Liquid is added by the tube side import (31) of the 1st extension type crystallizer (3) by pump (2), by the 4th bushing type after being gradually cooled as it passes through the cooler
The tube side outlet (32) of crystallizer (3) flows continually out, then sends to filtering, washing, dries, and obtains erythritol crystal product；
Using the sequence of flow of crystalline mother solution as reference, in the tube type mold group of described plural serial stage, the 1st bushing type
The shell side import (33) of crystallizer (3) passes through pipeline communication, cooling water with the shell-side outlet (34) of subsequent casings formula crystallizer (3)
Entered by the shell side import (33) of the 4th extension type crystallizer (3), cool down the extension type crystallizer (3) of each series connection step by step
Flowed out afterwards by the shell-side outlet (34) of the 1st extension type crystallizer (3)；
The diameter of described circular baffle plate is 0.5 ~ 0.6 times of extension type crystallizer (3) tube side diameter, on every damper rod
The spacing of two neighboring circular baffle plate is 1.0 ~ 3.0 times of extension type crystallizer (3) tube side diameter；
The length of described damper rod is 0.6 ~ 0.8 times of extension type crystallizer (3) tube side length.
Described crystalline mother solution storage tank (1) is the jacketed storage tank of controllable temperature.
The continuous oscillation drift tube type of antierythrite with reference to involved by concrete technology operating condition describes the utility model is cold
But crystallization apparatus implementation process is as follows：Under conditions of 10~80 DEG C and 100~500r/min of rotating speed, in crystalline mother solution storage tank
(1) antierythrite crude product and water are hybridly prepared into the erythritol crystallization mother liquor that concentration is 50 ~ 80wt% in；Use pump (2) will again
Erythritol crystallization mother liquor is sent into the tube side import (31) of first extension type crystallizer (3), by the 4th set after being gradually cooled as it passes through the cooler
Tube side outlet (32) outflow of tube type mold (3)；Simultaneously by 5~70 DEG C of cooling water from the 4th extension type crystallizer (3)
Shell side import (33), after operating stable state, make mean residence time of the erythritol crystallization mother liquor in whole tube type mold group
It is 10 ~ 120min, continuous magma of discharging is filtered, washed, dried, and erythritol crystal product is made.
Claims (2)
1. the continuous oscillation drift tube type equipment of crystallisation by cooling of a kind of antierythrite, it is characterised in that specifically include crystalline mother solution storage
Tank (1), pump (2), tube type mold group, plunger pump (4)；The tube type mold group by plural serial stage extension type crystallizer
(3) form, series connection series n is the natural number more than 1；Described sleeve pipe formula crystallizer (3) is provided with tube side import (31), tube side goes out
Mouth (32), shell side import (33) and shell-side outlet (34), it is interior formed with mutually isolated tube side in each extension type crystallizer (3)
Passage and shell side passage, described tube side passage connect with tube side import (31) and tube side outlet (32)；Described shell side passage
Connected with shell side import (33) with shell-side outlet (34)；
Described sleeve pipe formula crystallizer (3) piece damper rod of central axial setting along pipe, from damper rod close to extension type crystallizer
(3) one end of tube side import (31) starts, and sets circular baffle plate evenly and at intervals, and damper rod passes perpendicularly through each circular baffle plate
Circle center, damper rod are connected with plunger pump (4) by plunger close to one end of extension type crystallizer (3) tube side outlet (32), made
Damper rod can be along central axial reciprocating vibration in extension type crystallizer pipe, and its frequency of oscillation is 1 ~ 10Hz, and amplitude is 1 ~ 5cm；
Using the sequence of flow of crystalline mother solution as reference, in the tube type mold group of described plural serial stage, the 1st bushing type crystallization
The tube side import (31) of tube side outlet (32) and the subsequent casings formula crystallizer (3) of device (3) by pipeline communication, crystalline mother solution by
The tube side import (31) of 1st extension type crystallizer (3) is added by pump (2), by last bushing type after being gradually cooled as it passes through the cooler
The tube side outlet (32) of crystallizer (3) flows continually out, then sends to filtering, washing, dries, and obtains erythritol crystal product；
Using the sequence of flow of crystalline mother solution as reference, in the tube type mold group of described plural serial stage, the 1st bushing type crystallization
The shell side import (33) of device (3) is with the shell-side outlet (34) of subsequent casings formula crystallizer (3) by pipeline communication, and cooling water is by most
The shell side import (33) of the latter extension type crystallizer (3) enters, after the extension type crystallizer (3) for cooling down each series connection step by step
Flowed out by the shell-side outlet (34) of the 1st extension type crystallizer (3)；
The diameter of described circular baffle plate is 0.3 ~ 0.8 times of extension type crystallizer (3) tube side diameter, adjacent on every damper rod
The spacing of two circular baffle plates is 1.0 ~ 10 times of extension type crystallizer (3) tube side diameter；
The length of described damper rod is 0.6 ~ 0.8 times of extension type crystallizer (3) tube side length.
2. according to the continuous oscillation drift tube type equipment of crystallisation by cooling of the antierythrite described in claim 1, it is characterised in that the knot
Brilliant mother liquor holding tank (1) is the jacketed storage tank of controllable temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396589.0U CN206705992U (en) | 2017-04-17 | 2017-04-17 | A kind of continuous oscillation drift tube type equipment of crystallisation by cooling of antierythrite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396589.0U CN206705992U (en) | 2017-04-17 | 2017-04-17 | A kind of continuous oscillation drift tube type equipment of crystallisation by cooling of antierythrite |
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| CN206705992U true CN206705992U (en) | 2017-12-05 |
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| CN201720396589.0U Expired - Fee Related CN206705992U (en) | 2017-04-17 | 2017-04-17 | A kind of continuous oscillation drift tube type equipment of crystallisation by cooling of antierythrite |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479820A (en) * | 2020-11-16 | 2021-03-12 | 江苏汉光生物工程有限公司 | Erythritol's continuous oscillation flowing film crystallization device |
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2017
- 2017-04-17 CN CN201720396589.0U patent/CN206705992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479820A (en) * | 2020-11-16 | 2021-03-12 | 江苏汉光生物工程有限公司 | Erythritol's continuous oscillation flowing film crystallization device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20180417 |