CN204529879U - A kind of refined sugar clarifying plant - Google Patents
A kind of refined sugar clarifying plant Download PDFInfo
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- CN204529879U CN204529879U CN201520200874.1U CN201520200874U CN204529879U CN 204529879 U CN204529879 U CN 204529879U CN 201520200874 U CN201520200874 U CN 201520200874U CN 204529879 U CN204529879 U CN 204529879U
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Abstract
A kind of refined sugar clarifying plant, includes the raw sugar honey connected successively and washes equipment, molten sugared case, a carbon filling-up pot, No. two carbon filling-up pots, 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 towers.The utility model adds the retro-dissolved syrup of ceramic microfiltration membrane clarification after carbon full charge and plate-and-frame filter press are filtered on the basis of existing refined sugar clarification process and device, reduce the turbidity entering retro-dissolved syrup before ion exchange resin, improve the life-span of ion exchange resin.
Description
Technical field
The utility model relates to a kind of refined sugar clarifying plant, belongs to Sugar Engineering technical field.
Technical background
In refined sugar clarifying process, traditional method be first gone by sweet eccysis in raw sugar 40% ~ 50% pigment, then raw sugar is dissolved, obtain retro-dissolved syrup, 40% ~ 60% of pigment is remained in the method removing retro-dissolved syrup of recycling carbon full charge and filtration or phosphoric acid floating and filtration, finally make spent ion exchange resin carry out desalination decolouring to retro-dissolved syrup further, the product that purity is about 99.9% after crystallization, can be obtained.But the retro-dissolved syrup turbidity after carbon full charge and filtration or phosphoric acid are floated and filtered is still higher, is easy to the ion exchange resin polluting postorder workshop section, not only increases the load of ion exchange resin, also reduce the life-span of ion exchange resin.In order to reduce the turbidity entering retro-dissolved syrup before ion exchange resin, some sugar refinery will whirl dissolved syrup successively through plate-and-frame filter press, leaf filter and deep bed filter three-stage filtration after carbon full charge or phosphoric acid float, but effect is still undesirable.In order to reduce the turbidity that enters retro-dissolved syrup before ion exchange resin and shorten refined sugar clarification process flow process, the people such as Peng Wenbo (number of patent application: 201310729069.3) reported by retro-dissolved syrup successively through plate-and-frame filter press coarse filtration, microfiltration of ceramic membrane, and then enter the decolouring of ion exchange resin desalination; Although this method obtains lower turbidity before retro-dissolved syrup can be made to enter ion exchange resin, also refined sugar clarification process flow process is shortened, but owing to which omits the operation that raw sugar honey is washed and retro-dissolved syrup carbon full charge twice are important, add the ability of the decolouring that ceramic microfiltration membrane does not possess, make to enter the colour of retro-dissolved syrup before ion exchange resin higher, not only shorten the regeneration period of resin and add the regeneration frequency of resin, also add the load of resin, also can reduce the life-span of resin.Therefore, provide a kind of clarifying effect better, production efficiency is higher, and the refined sugar clarification process that cost is lower and device are necessary.
Utility model content
The purpose of this utility model is to provide a kind of refined sugar clarifying plant, to solve the technical problem that in traditional refined sugar clarification process, retro-dissolved syrup clarifying effect is poor and the ion exchange resin life-span is low.
To achieve these goals, the utility model have employed following technical scheme,
A kind of refined sugar clarifying plant, includes the raw sugar honey connected successively and washes equipment, molten sugared case, a carbon filling-up pot, No. two carbon filling-up pots, 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 towers.
Concrete mode of connection is as follows,
The sweet honey washing equipment of raw sugar is washed raw sugar outlet and is connected to molten sugared case by spiral conveying groove, the retro-dissolved syrup outlet of molten sugared case is connected with the syrup inlet of a carbon filling-up pot, the syrup outlet of a carbon filling-up pot is connected with the syrup inlet of No. two carbon filling-up pots, the syrup outlet of No. two carbon filling-up pots is connected with plate-and-frame filter press entrance, plate-and-frame filter press filtrate outlet is connected with the opening for feed of multistage microfiltration of ceramic membrane system, the permeate outlet of multistage microfiltration of ceramic membrane system is connected with plate-type heat exchanger entrance, plate-type heat exchanger outlet is connected with the first exchange resin tower entrance, first exchange resin tower outlet is connected with the second exchange resin tower entrance, refinery liquor is obtained in the second exchange resin tower outlet,
The milk of lime entrance of a carbon filling-up pot is connected to milk of lime hold-up vessel, and the carbonic acid gas entrance of a carbon filling-up pot and No. two carbon filling-up pots is connected to boiler flue source of the gas.
Equipment washed by described raw sugar honey is the centrifugal sugar centrifuge of top suspension.
Described molten sugared case is equipped with whipping appts.
The membrane pore size of described microfiltration of ceramic membrane system is 0.2 ~ 0.5 μm.
Described multistage microfiltration of ceramic membrane system is the ceramic microfiltration membrane of Pyatyi parallel connection, and every grade of ceramic membrane is made up of two membrane modules, wherein has one-level to play wheel and washes replacing effect.
The first described exchange resin tower and the second exchange resin tower are all upper feeding bottom discharges.
The first described ion exchange resin is macroporous strong basic anionite-exchange resin.
The second described ion exchange resin is storng-acid cation exchange resin or weakly acidic cation-exchange resin.
Compared with prior art, the beneficial effect that possesses of the utility model:
1, the retro-dissolved syrup after adopting ceramic microfiltration membrane process carbon full charge and plate-and-frame filter press to filter, reduces the turbidity entering retro-dissolved syrup before ion exchange resin, thus reduces the load of ion exchange resin and add the life-span of ion exchange resin; And the membrane resistance that on ceramic membrane, fouling causes is less, therefore the membrane flux of ceramic membrane filter clarification syrup is comparatively large, and the decline of membrane flux speed is slow, can maintain higher membrane flux and filter, thus extend the Membrane cleaning cycle and reduce cleaning frequency membrane.
2, have employed the multistage microfiltration of ceramic membrane system be made up of the ceramic microfiltration membrane of Pyatyi parallel connection, every grade is made up of two membrane modules, has one-level to play to change wheel to wash effect, ensure that microfiltration of ceramic membrane system can the operation of long-time stable.
3, before retro-dissolved syrup enters the decolouring of the ion exchange resin degree of depth, have employed the operation that honey is washed, carbon full charge twice are comparatively cheap and raw sugar and retro-dissolved syrup are decoloured in advance, not only can reduce the load of ion exchange resin, its life-span can also be increased.
4, obtained refinery liquor turbidity is less than 1.0NTU, colour is less than 10IU, specific conductivity is less than 10 μ s/cm, and clarifying effect is better.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of refined sugar clarifying plant described in the utility model.
Fig. 2 is the schematic diagram of multistage microfiltration of ceramic membrane system described in the utility model.
Fig. 3 utilizes refined sugar clarifying plant described in the utility model to carry out the process flow sheet produced.
In figure: equipment 1 washed by raw sugar honey; Raw sugar outlet 2 washed by honey; Molten sugared case 3; Milk of lime hold-up vessel 4; Retro-dissolved 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 outlet 9; The opening for feed 10 of multistage microfiltration of ceramic membrane system; First exchange resin tower 11; First exchange resin tower outlet 12; Second 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 microfiltration of ceramic membrane system 20; No. two carbon filling-up pot carbonic acid gas entrances 21; No. two carbon filling-up pot syrup outlets 22; No. two carbon filling-up pots 23; The syrup outlet 24 of a carbon filling-up pot; The carbonic acid gas entrance 25 of a carbon filling-up pot; The syrup inlet 26 of a carbon filling-up pot; A carbon filling-up pot 27; A carbon filling-up pot milk of lime entrance 28; Molasses outlet 29; The syrup inlet 30 of No. two carbon filling-up pots; 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 clarifying plant, includes the raw sugar honey connected successively and washes equipment 1, molten sugared case 3, carbon filling-up pot 27, No. two carbon filling-up pots 23, plate-and-frame filter press 7, multistage microfiltration of ceramic membrane system 20, plate-type heat exchanger 31, first exchange resin tower 11 and the second exchange resin tower 13.
Concrete mode of connection is as follows,
The sweet honey washing equipment of raw sugar is washed raw sugar outlet 2 and is connected to molten sugared case 3 by spiral conveying groove, the retro-dissolved syrup outlet 5 of molten sugared case is connected with the syrup inlet 26 of a carbon filling-up pot, the syrup outlet 24 of a carbon filling-up pot is connected with the syrup inlet 30 of No. two carbon filling-up pots, the syrup outlet 22 of No. two carbon filling-up pots is connected with plate-and-frame filter press entrance 6, plate-and-frame filter press filtrate outlet 9 is connected with the opening for feed 10 of multistage microfiltration of ceramic membrane system, the permeate outlet 19 of multistage microfiltration of ceramic membrane system is connected with plate-type heat exchanger entrance 18, the concentrated solution outlet 32 of multistage microfiltration of ceramic membrane system is connected with plate-and-frame filter press entrance 6, plate-type heat exchanger outlet 17 is connected with the first exchange resin tower entrance 16, first exchange resin tower outlet 12 is connected with the second exchange resin tower entrance 15, refinery liquor is obtained in the second exchange resin tower outlet 14,
The carbonic acid gas entrance 25,21 that the milk of lime entrance 28 of a carbon filling-up pot is connected to milk of lime hold-up vessel 4, carbon filling-up pot and No. two carbon filling-up pots is connected to boiler flue source of the gas 8.
Equipment washed by described raw sugar honey is the centrifugal sugar centrifuge of top suspension.Described molten sugared case is equipped with whipping appts.
The membrane pore size of described ceramic micro filter is 0.2 ~ 0.5 μm.
Described multistage microfiltration of ceramic membrane system is the ceramic microfiltration membrane of Pyatyi parallel connection, and every grade of ceramic membrane is made up of two membrane modules, wherein has one-level to play wheel and washes replacing effect.
The first described exchange resin tower and the second exchange resin tower are all upper feeding bottom discharges.
The first described ion exchange resin is macroporous strong basic anionite-exchange resin.
The second described ion exchange resin is storng-acid cation exchange resin or weakly acidic cation-exchange resin.
Described plate-and-frame filter press needs diatomite drainage.
Embodiment 2
The present embodiment is the specific examples utilizing refined sugar clarifying plant described in the utility model to carry out producing, and concrete operation step is:
(1) honey is washed: raw sugar is put into the centrifugal sugar centrifuge of top suspension, use R
4the pigment on raw sugar surface cleans up by molasses, obtains honey and washes raw sugar;
(2) molten sugar: with the filter wash water distribution of 85 DEG C, honey is washed raw sugar and dissolve in molten sugared case, the retro-dissolved syrup obtaining 65.0 ° of Bx is for subsequent use;
(3) carbon full charge: first retro-dissolved syrup is pumped to a carbon filling-up pot, and in a carbon filling-up pot, add milk of lime and be filled with carbonic acid gas, obtain a carbon saturated with syrup, and then a carbon saturated with syrup is pumped to No. two carbon filling-up pots, continue to be filled with carbonic acid gas in No. two carbon filling-up pots, obtain two carbon saturated with syrup for subsequent use, wherein the basicity of a carbon full charge is 0.05, pH value is 11.0, the pH value of two carbon full charges is 8.5, and carbonic acid gas is from boiler flue;
(4) plate-and-frame filter press filters: by two carbon saturated with syrup after plate-and-frame filter press filters, and obtains filtering syrup for subsequent use;
(5) microfiltration of ceramic membrane clarification: filtration sirup pump is delivered to microfiltration of ceramic membrane work tank, with membrane pore size be 0.5 μm microfiltration of ceramic membrane system to filtration syrup carry out micro-filtration clarification, the operating parameters of ceramic microfiltration membrane is transmembrane pressure is 0.2MPa, crossflow velocity is 4.0m/s, filtration temperature is 80 DEG C, obtains syrup clearly for subsequent use;
(6) ion exchange resin desalination decolouring: clear syrup is cooled to through plate-type heat exchanger and sends into the first exchange resin tower after 45 DEG C (preventing the temperature too high life-span affecting ion exchange resin) 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, refinery liquor can be obtained, wherein the first ion exchange resin is macroporous strong basic anionite-exchange resin, and the second ion exchange resin is storng-acid cation exchange resin.
Technic index in embodiment 2 production process is as shown in the table:
Embodiment 3
The present embodiment is utilize refined sugar clarifying plant described in the utility model to carry out another specific examples produced, and concrete operation step is:
(1) honey is washed: raw sugar is put into the centrifugal sugar centrifuge of top suspension, use R
4the pigment on raw sugar surface cleans up by molasses, obtains honey and washes raw sugar;
(2) molten sugar: with the filter wash water distribution of 80 DEG C, honey is washed raw sugar and dissolve in molten sugared case, the retro-dissolved syrup obtaining 60.0 ° of Bx is for subsequent use;
(3) carbon full charge: first retro-dissolved syrup is pumped to a carbon filling-up pot, and in a carbon filling-up pot, add milk of lime and be filled with carbonic acid gas, obtain a carbon saturated with syrup, and then a carbon saturated with syrup is pumped to No. two carbon filling-up pots, continue to be filled with carbonic acid gas in No. two carbon filling-up pots, obtain two carbon saturated with syrup for subsequent use, wherein the basicity of a carbon full charge is 0.03, pH value is 10.5, the pH value of two carbon full charges is 8.2, and carbonic acid gas is from boiler flue;
(4) plate-and-frame filter press filters: by two carbon saturated with syrup after plate-and-frame filter press filters, and obtains filtering syrup for subsequent use;
(5) microfiltration of ceramic membrane clarification: filtration sirup pump is delivered to microfiltration of ceramic membrane work tank, with aperture be film 0.2 μm microfiltration of ceramic membrane system to filtration syrup carry out micro-filtration clarification, the operating parameters of ceramic microfiltration membrane is transmembrane pressure is 0.3MPa, crossflow velocity is 5.0m/s, filtration temperature is 75 DEG C, obtains syrup clearly for subsequent use;
(6) ion exchange resin desalination decolouring: clear syrup is cooled to through plate-type heat exchanger and sends into the first exchange resin tower after 40 DEG C (preventing the temperature too high life-span affecting ion exchange resin) 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, refinery liquor can be obtained, wherein the first ion exchange resin is macroporous strong basic anionite-exchange resin, and the second ion exchange resin is storng-acid cation exchange resin.
Technic index in embodiment 3 production process is as shown in the table:
Claims (9)
1. a refined sugar clarifying plant, is characterized in that: include the raw sugar honey connected successively and wash equipment, molten sugared case, a carbon filling-up pot, No. two carbon filling-up pots, 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 towers.
2. refined sugar clarifying plant according to claim 1, is characterized in that: concrete mode of connection is as follows,
The sweet honey washing equipment of raw sugar is washed raw sugar outlet and is connected to molten sugared case by spiral conveying groove, the retro-dissolved syrup outlet of molten sugared case is connected with the syrup inlet of a carbon filling-up pot, the syrup outlet of a carbon filling-up pot is connected with the syrup inlet of No. two carbon filling-up pots, the syrup outlet of No. two carbon filling-up pots is connected with plate-and-frame filter press entrance, plate-and-frame filter press filtrate outlet is connected with the opening for feed of multistage microfiltration of ceramic membrane system, the permeate outlet of multistage microfiltration of ceramic membrane system is connected with plate-type heat exchanger entrance, plate-type heat exchanger outlet is connected with the first exchange resin tower entrance, first exchange resin tower outlet is connected with the second exchange resin tower entrance, refinery liquor is obtained in the second exchange resin tower outlet,
The milk of lime entrance of a carbon filling-up pot is connected to milk of lime hold-up vessel, and the carbonic acid gas entrance of a carbon filling-up pot and No. two carbon filling-up pots is connected to boiler flue source of the gas.
3. refined sugar clarifying plant according to claim 1 and 2, is characterized in that: equipment washed by described raw sugar honey is the centrifugal sugar centrifuge of top suspension.
4. refined sugar clarifying plant according to claim 1 and 2, is characterized in that: described molten sugared case is equipped with whipping appts.
5. refined sugar clarifying plant according to claim 1 and 2, is characterized in that: the membrane pore size of described microfiltration of ceramic membrane system is 0.2 ~ 0.5 μm.
6. refined sugar clarifying plant according to claim 1 and 2, is characterized in that: described multistage microfiltration of ceramic membrane system is the ceramic microfiltration membrane of Pyatyi parallel connection, and every grade of ceramic membrane is made up of two membrane modules, wherein has one-level to play wheel and washes replacing effect.
7. refined sugar clarifying plant according to claim 1 and 2, is characterized in that: the first described exchange resin tower and the second exchange resin tower are all upper feeding bottom discharges.
8. refined sugar clarifying plant according to claim 1 and 2, is characterized in that: the first described ion exchange resin is macroporous strong basic anionite-exchange resin.
9. refined sugar clarifying plant according to claim 1 and 2, is characterized in that: the second described ion exchange resin is storng-acid cation exchange resin or weakly acidic cation-exchange resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520200874.1U CN204529879U (en) | 2015-04-02 | 2015-04-02 | A kind of refined sugar clarifying plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520200874.1U CN204529879U (en) | 2015-04-02 | 2015-04-02 | A kind of refined sugar clarifying plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805222A (en) * | 2015-04-02 | 2015-07-29 | 广西大学 | Refined sugar clarification device |
| CN107937627A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of method of raw sugar remelt syrup clarification decoloration |
-
2015
- 2015-04-02 CN CN201520200874.1U patent/CN204529879U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805222A (en) * | 2015-04-02 | 2015-07-29 | 广西大学 | Refined sugar clarification device |
| CN104805222B (en) * | 2015-04-02 | 2018-02-27 | 广西大学 | A kind of refined sugar clarifier |
| CN107937627A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of method of raw sugar remelt syrup clarification decoloration |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |