CN104805222B - A kind of refined sugar clarifier - Google Patents
A kind of refined sugar clarifier Download PDFInfo
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- CN104805222B CN104805222B CN201510158121.3A CN201510158121A CN104805222B CN 104805222 B CN104805222 B CN 104805222B CN 201510158121 A CN201510158121 A CN 201510158121A CN 104805222 B CN104805222 B CN 104805222B
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- exchange resin
- carbon
- carbonating
- syrup
- ceramic membrane
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/005—Purification of sugar juices using chemicals not provided for in groups C13B20/02 - C13B20/14
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/02—Purification of sugar juices using alkaline earth metal compounds
- C13B20/04—Purification of sugar juices using alkaline earth metal compounds followed by saturation
- C13B20/06—Purification of sugar juices using alkaline earth metal compounds followed by saturation with carbon dioxide or sulfur dioxide
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/14—Purification of sugar juices using ion-exchange materials
- C13B20/142—Mixed bed
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/16—Purification of sugar juices by physical means, e.g. osmosis or filtration
- C13B20/165—Purification of sugar juices by physical means, e.g. osmosis or filtration using membranes, e.g. osmosis, ultrafiltration
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A kind of refined sugar clarifier, include the raw sugar honey being sequentially connected and wash equipment, molten sugared case, No.1 carbon carbonating tank, No. two carbon carbonating tanks, plate and frame filter press, multistage microfiltration of ceramic membrane system, plate type heat exchanger, the first exchange resin tower and the second exchange resin tower.The present invention adds remelt syrup of the ceramic micro filter film clarification after carbon full charge and plate and frame filter press filtering on the basis of existing refined sugar clarification process and device, the turbidity into remelt syrup before ion exchange resin is reduced, improves the life-span of ion exchange resin.
Description
Technical field
The present invention relates to a kind of refined sugar clarifier, belong to Sugar Engineering technical field.
Technical background
In refined sugar clarifying process, traditional method is to first pass through the pigment that honey washout goes in raw sugar 40%~50%,
Then raw sugar is dissolved, obtains remelt syrup, recycled carbon full charge and filtering or phosphoric acid floats and the method for filtering removes back
The 40%~60% of remaining pigment in dissolved syrup, desalination further finally is carried out to remelt syrup using ion exchange resin and taken off
Color, the product that purity is about 99.9% is can obtain after crystallization.But after carbon full charge and filtering or phosphoric acid are floated and filtered
Remelt syrup turbidity it is still higher, it is easy to pollute the ion exchange resin of postorder workshop section, not only increase ion exchange resin
Load, also reduce life-span of ion exchange resin.In order to be lowered into the turbidity of remelt syrup before ion exchange resin, have
Dissolved syrup of whirling after carbon full charge or phosphoric acid float is passed through plate and frame filter press, leaf filter and pocket type by a little sugar refineries successively
Filter three-stage filtration, but effect is still undesirable.In order to be lowered into before ion exchange resin the turbidity of remelt syrup and
Shorten refined sugar clarification process flow, Peng Wenbo et al. (number of patent application：201310729069.3) reported remelt syrup
Successively by plate and frame filter press coarse filtration, microfiltration of ceramic membrane, the decolouring of ion exchange resin desalination is then entered back into；Though this method
It remelt syrup is obtained relatively low turbidity before entering ion exchange resin, also shorten refined sugar clarification process flow,
But the process due to being washed which omits raw sugar honey and remelt syrup carbon full charge twice are important, along with ceramic micro filter film does not have
The ability of standby decolouring so that the colour of remelt syrup is higher before into ion exchange resin, not only shortens the regeneration of resin
Cycle and the regeneration frequency for adding resin, also add the load of resin, can also reduce the life-span of resin.Therefore it provides
A kind of clarifying effect is more preferable, and production efficiency is higher, and the lower refined sugar clarification process of cost and device are necessary.
The content of the invention
It is an object of the invention to provide a kind of refined sugar clarifier, to solve back dissolving in traditional refined sugar clarification process
The technical problem that syrup clarifying effect is poor and the ion exchange resin life-span is low.
To achieve these goals, present invention employs following technical scheme,
A kind of refined sugar clarifier, include the raw sugar honey being sequentially connected wash equipment, molten sugared case, No.1 carbon carbonating tank,
No. two carbon carbonating tanks, plate and frame filter press, multistage microfiltration of ceramic membrane system, plate type heat exchanger, the first exchange resin tower and
Second exchange resin tower.
Specific connected mode is as follows,
The honey that raw sugar honey washes equipment is washed raw sugar and exported and by spiral conveying groove is connected to molten sugared case, the remelt syrup of molten sugared case
Outlet is connected with the syrup inlet of No.1 carbon carbonating tank, and the syrup of the syrup outlet and No. two carbon carbonating tanks of No.1 carbon carbonating tank enters
Mouth connection, the syrup outlet of No. two carbon carbonating tanks are connected with plate and frame filter press entrance, and plate and frame filter press filtrate (liquid is made pottery with multistage
The charging aperture connection of porcelain membrane microfiltration system, the permeate outlet of multistage microfiltration of ceramic membrane system are connected with plate type heat exchanger entrance,
Plate type heat exchanger outlet is connected with the first exchange resin tower entrance, and the outlet of the first exchange resin tower is handed over the second ion
The connection of resin tower entrance is changed, is exported in the second exchange resin tower and obtains refinery liquor；
The milk of lime entrance of No.1 carbon carbonating tank is connected to milk of lime holding vessel, No.1 carbon carbonating tank and No. two carbon carbonating tanks
Carbon dioxide entrance be connected to boiler flue source of the gas.
Described raw sugar honey washes equipment and centrifuges honey centrifuge for top suspension.
Described molten sugared box installed has agitating device.
The membrane aperture of described microfiltration of ceramic membrane system is 0.2~0.5 μm.
Described multistage microfiltration of ceramic membrane system is Pyatyi ceramic micro filter film in parallel, and every grade of ceramic membrane is by two membrane modules
Composition, wherein having one-level to play wheel washes replacing.
Described the first exchange resin tower and the second exchange resin tower is all upper feeding bottom discharge.
The first described ion exchange resin is macroporous strong basic anion exchange resin.
The second described ion exchange resin is storng-acid cation exchange resin or weak-acid cation-exchange resin.
Compared with prior art, the beneficial effect that the present invention possesses：
1st, using the remelt syrup after ceramic micro filter film process carbon full charge and plate and frame filter press filtering, reduce into ion
The turbidity of remelt syrup before exchanger resin, so as to reduce the load of ion exchange resin and add ion exchange resin
Life-span；And membrane resistance is smaller caused by fouling on ceramic membrane, therefore the membrane flux of ceramic membrane filter clarification syrup is larger, and film
Flux decline speed is slow, and higher membrane flux can be maintained to filter, so as to extend the Membrane cleaning cycle and reduce cleaning frequency membrane.
2nd, the multistage microfiltration of ceramic membrane system being made up of Pyatyi ceramic micro filter film in parallel is employed, every grade by two film groups
Part forms, and has one-level to play replacing wheel and washes, ensure that microfiltration of ceramic membrane system is capable of the operation of long-time stable.
3rd, remelt syrup enter ion exchange resin depth decolourize before, employ honey wash, carbon full charge twice it is more honest and clean
The process of valency is decolourized in advance to raw sugar and remelt syrup, can not only reduce the load of ion exchange resin, can also be increased
Add its life-span.
4th, obtained refinery liquor turbidity is less than 1.0NTU, colour is less than 10IU, electrical conductivity is less than 10 μ s/cm, clarification effect
Fruit is preferable.
Brief description of the drawings
Fig. 1 is the schematic diagram of refined sugar clarifier of the present invention.
Fig. 2 is the schematic diagram of multistage microfiltration of ceramic membrane system of the present invention.
Fig. 3 is the process chart produced using refined sugar clarifier of the present invention.
In figure：Raw sugar honey washes equipment 1；Honey washes raw sugar outlet 2；Molten sugared case 3；Milk of lime holding vessel 4；Remelt syrup outlet 5；
Plate and frame filter press entrance 6；Plate and frame filter press 7；Boiler flue source of the gas 8；Plate and frame filter press filtrate (liquid 9；Multistage microfiltration of ceramic membrane
The charging aperture 10 of system；First exchange resin tower 11；First exchange resin tower outlet 12；Second ion exchange resin
Tower 13；Second exchange resin tower outlet 14；Second exchange resin tower entrance 15；First exchange resin tower entrance
16；Plate type heat exchanger outlet 17；Plate type heat exchanger entrance 18；The permeate outlet 19 of multistage microfiltration of ceramic membrane system；Multistage pottery
Porcelain membrane microfiltration system 20；No. two carbon carbonating tank carbon dioxide entrances 21；No. two carbon carbonating tank syrup outlets 22；No. two carbon carbonating tanks
23；The syrup outlet 24 of No.1 carbon carbonating tank；The carbon dioxide entrance 25 of No.1 carbon carbonating tank；The syrup of No.1 carbon carbonating tank enters
Mouth 26；No.1 carbon carbonating tank 27；No.1 carbon carbonating tank milk of lime entrance 28；Molasses outlet 29；The syrup of No. two carbon carbonating tanks enters
Mouth 30；Plate type heat exchanger 31；The concentrated solution outlet 32 of multistage microfiltration of ceramic membrane system；
Embodiment
Embodiment 1
A kind of refined sugar clarifier, include the raw sugar honey being sequentially connected and wash equipment 1, molten sugared case 3, No.1 carbon carbonating tank
27th, No. two carbon carbonating tanks 23, plate and frame filter press 7, multistage microfiltration of ceramic membrane system 20, plate type heat exchanger 31, the first ion exchange
The exchange resin tower 13 of resin tower 11 and second.
Specific connected mode is as follows,
The honey that raw sugar honey washes equipment washes raw sugar outlet 2 and is connected to molten sugared case 3 by spiral conveying groove, the back dissolving sugar of molten sugared case
Slurry outlet 5 is connected with the syrup inlet 26 of No.1 carbon carbonating tank, the syrup outlet 24 of No.1 carbon carbonating tank and No. two carbon carbonating tanks
Syrup inlet 30 connect, the syrup outlet 22 of No. two carbon carbonating tanks is connected with plate and frame filter press entrance 6, plate and frame filter press filtrate
Outlet 9 is connected with the charging aperture 10 of multistage microfiltration of ceramic membrane system, the permeate outlet 19 of multistage microfiltration of ceramic membrane system and plate
Formula heat exchanger entrance 18 is connected, and the concentrated solution outlet 32 of multistage microfiltration of ceramic membrane system is connected with plate and frame filter press entrance 6, board-like
Heat exchanger exit 17 is connected with the first exchange resin tower entrance 16, the outlet 12 of the first exchange resin tower and the second ion
Exchange resin tower entrance 15 is connected, and refinery liquor is obtained in the second exchange resin tower outlet 14；
The milk of lime entrance 28 of No.1 carbon carbonating tank is connected to milk of lime holding vessel 4, and No.1 carbon carbonating tank and No. two carbon are satisfied
The carbon dioxide entrance 25,21 for filling tank is connected to boiler flue source of the gas 8.
Described raw sugar honey washes equipment and centrifuges honey centrifuge for top suspension.Described molten sugared box installed has agitating device.
The membrane aperture of described ceramic micro filter is 0.2~0.5 μm.
Described multistage microfiltration of ceramic membrane system is Pyatyi ceramic micro filter film in parallel, and every grade of ceramic membrane is by two membrane modules
Composition, wherein having one-level to play wheel washes replacing.
Described the first exchange resin tower and the second exchange resin tower is all upper feeding bottom discharge.
The first described ion exchange resin is macroporous strong basic anion exchange resin.
The second described ion exchange resin is storng-acid cation exchange resin or weak-acid cation-exchange resin.
Described plate and frame filter press needs diatomite drainage.
Embodiment 2
The present embodiment is an instantiation being produced using refined sugar clarifier of the present invention, concrete operations
Step is：
(1) honey is washed：Raw sugar is put into top suspension centrifugation honey centrifuge, uses R4Molasses clean the pigment on raw sugar surface dry
Only, obtain honey and wash raw sugar；
(2) molten sugar：Honey is washed into raw sugar with 85 DEG C of filter wash water distribution in molten sugared case to dissolve, obtains 65.0 ° of Bx back dissolving sugar
Starch standby；
(3) carbon full charge：Remelt syrup is first pumped to No.1 carbon carbonating tank, and toward adding milk of lime in No.1 carbon carbonating tank
Be filled with carbon dioxide, obtain a carbon saturated with syrup, a carbon saturated with syrup be then pumped to No. two carbon carbonating tanks again, continued past
Carbon dioxide is filled with No. two carbon carbonating tanks, obtains that two carbon saturated with syrup are standby, wherein the basicity of a carbon full charge is 0.05, pH value
For 11.0, the pH value of two carbon full charges is 8.5, and carbon dioxide comes from boiler flue；
(4) plate and frame filter press filters：By two carbon saturated with syrup after plate and frame filter press filters, it is standby to obtain filtering syrup
With；
(5) microfiltration of ceramic membrane is clarified：Filtering syrup is pumped to microfiltration of ceramic membrane work tank, using membrane aperture as 0.5 μm
Microfiltration of ceramic membrane system carries out micro-filtration clarification to filtering syrup, and the operating parameter of ceramic micro filter film is that transmembrane pressure is 0.2MPa,
Crossflow velocity is 4.0m/s, and filtration temperature is 80 DEG C, and it is standby to obtain clear syrup；
(6) ion exchange resin desalination decolourizes：Clear syrup is cooled into 45 DEG C by plate type heat exchanger (prevents that temperature is too high
Influence the life-span of ion exchange resin) the first exchange resin tower is sent into afterwards obtains the first penetrating fluid, then by the first penetrating fluid
It is sent into the second exchange resin tower and obtains the second penetrating fluid, you can refinery liquor is obtained, wherein the first ion exchange resin is big
Hole strong-base anion-exchange resin, the second ion exchange resin are storng-acid cation exchange resin.
Technic index in the production process of embodiment 2 is as shown in the table：
Embodiment 3
The present embodiment is another instantiation produced using refined sugar clarifier of the present invention, specific behaviour
It is as step：
(1) honey is washed：Raw sugar is put into top suspension centrifugation honey centrifuge, uses R4Molasses clean the pigment on raw sugar surface dry
Only, obtain honey and wash raw sugar；
(2) molten sugar：Honey is washed into raw sugar with 80 DEG C of filter wash water distribution in molten sugared case to dissolve, obtains 60.0 ° of Bx back dissolving sugar
Starch standby；
(3) carbon full charge：Remelt syrup is first pumped to No.1 carbon carbonating tank, and toward adding milk of lime in No.1 carbon carbonating tank
Be filled with carbon dioxide, obtain a carbon saturated with syrup, a carbon saturated with syrup be then pumped to No. two carbon carbonating tanks again, continued past
Carbon dioxide is filled with No. two carbon carbonating tanks, obtains that two carbon saturated with syrup are standby, wherein the basicity of a carbon full charge is 0.03, pH value
For 10.5, the pH value of two carbon full charges is 8.2, and carbon dioxide comes from boiler flue；
(4) plate and frame filter press filters：By two carbon saturated with syrup after plate and frame filter press filters, it is standby to obtain filtering syrup
With；
(5) microfiltration of ceramic membrane is clarified：Filtering syrup is pumped to microfiltration of ceramic membrane work tank, using aperture as 0.2 μm of film
Microfiltration of ceramic membrane system carries out micro-filtration clarification to filtering syrup, and the operating parameter of ceramic micro filter film is that transmembrane pressure is 0.3MPa,
Crossflow velocity is 5.0m/s, and filtration temperature is 75 DEG C, and it is standby to obtain clear syrup；
(6) ion exchange resin desalination decolourizes：Clear syrup is cooled into 40 DEG C by plate type heat exchanger (prevents that temperature is too high
Influence the life-span of ion exchange resin) the first exchange resin tower is sent into afterwards obtains the first penetrating fluid, then by the first penetrating fluid
It is sent into the second exchange resin tower and obtains the second penetrating fluid, you can refinery liquor is obtained, wherein the first ion exchange resin is big
Hole strong-base anion-exchange resin, the second ion exchange resin are storng-acid cation exchange resin.
Technic index in the production process of embodiment 3 is as shown in the table：
Claims (5)
- A kind of 1. refined sugar clarifier, it is characterised in that：Include the raw sugar honey being sequentially connected and wash equipment, molten sugared case, No.1 Carbon carbonating tank, No. two carbon carbonating tanks, plate and frame filter press, multistage microfiltration of ceramic membrane system, plate type heat exchanger, the first amberlite Fat tower and the second exchange resin tower；Specific connected mode is as follows,The honey that raw sugar honey washes equipment washes raw sugar outlet and is connected to molten sugared case by spiral conveying groove, and the remelt syrup of molten sugared case exports It is connected with the syrup inlet of No.1 carbon carbonating tank, the syrup inlet of the syrup outlet of No.1 carbon carbonating tank and No. two carbon carbonating tanks connects Connect, the syrup outlet of No. two carbon carbonating tanks is connected with plate and frame filter press entrance, plate and frame filter press filtrate (liquid and multistage ceramic membrane The charging aperture connection of microfiltration systems, the permeate outlet of multistage microfiltration of ceramic membrane system is connected with plate type heat exchanger entrance, board-like Heat exchanger exit is connected with the first exchange resin tower entrance, the outlet of the first exchange resin tower and the second amberlite Fat tower entrance connects, and is exported in the second exchange resin tower and obtains refinery liquor；The milk of lime entrance of No.1 carbon carbonating tank is connected to milk of lime holding vessel, and the two of No.1 carbon carbonating tank and No. two carbon carbonating tanks Carbonoxide entrance is connected to boiler flue source of the gas；The membrane aperture of described microfiltration of ceramic membrane system is 0.2~0.5 μm；The first described ion exchange resin is macroporous strong basic anion exchange resin；The second described ion exchange resin is storng-acid cation exchange resin or weak-acid cation-exchange resin.
- 2. refined sugar clarifier according to claim 1, it is characterised in that：It is top suspension that described raw sugar honey, which washes equipment, Centrifuge honey centrifuge.
- 3. refined sugar clarifier according to claim 1, it is characterised in that：Described molten sugared box installed has agitating device.
- 4. refined sugar clarifier according to claim 1, it is characterised in that：Described multistage microfiltration of ceramic membrane system is Pyatyi ceramic micro filter film in parallel, every grade of ceramic membrane is made up of two membrane modules, wherein having one-level to play wheel washes replacing.
- 5. refined sugar clarifier according to claim 1, it is characterised in that：The first described exchange resin tower with And second exchange resin tower be all upper feeding bottom discharge.
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| CN105506189A (en) * | 2015-12-01 | 2016-04-20 | 广西来宾永鑫糖业有限公司 | Semi-carbon semi-sulfur sugaring clarification technology utilizing flue gas for saturation of neutralized juice |
| CN105886671A (en) * | 2016-02-26 | 2016-08-24 | 广西大学 | Clearing device for producing crystalline fructose with raw sugar as raw material |
| CN107937627A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of method of raw sugar remelt syrup clarification decoloration |
| CN107794315A (en) * | 2017-11-27 | 2018-03-13 | 广西大学 | A kind of refined sugar processing unit (plant) based on activated carbon decolorizing |
| CN109355443B (en) * | 2018-12-04 | 2020-07-17 | 浙江华康药业股份有限公司 | System and method for preparing xylose liquid by continuous hydrolysis of hemicellulose |
| CN109402300B (en) | 2018-12-18 | 2023-12-15 | 浙江华康药业股份有限公司 | Xylose mother liquor continuous saturation impurity removing equipment and method |
| CN110358871B (en) * | 2019-07-23 | 2022-07-15 | 中粮(唐山)糖业有限公司 | Granulated sugar impurity removal production line and granulated sugar impurity removal method |
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