CN214344587U - Separation system of sugar and inorganic salt - Google Patents
Separation system of sugar and inorganic salt Download PDFInfo
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- CN214344587U CN214344587U CN202023063143.7U CN202023063143U CN214344587U CN 214344587 U CN214344587 U CN 214344587U CN 202023063143 U CN202023063143 U CN 202023063143U CN 214344587 U CN214344587 U CN 214344587U
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Abstract
The utility model discloses a separation system of sugar and inorganic salt, including being used for carrying out the continuous ion piece-rate system that separates sugar and inorganic salt, the accumulator tank that is used for collecting the inorganic salt solution that continuous ion piece-rate system produced, the sugar liquid jar that is used for collecting the sugar liquid that continuous ion piece-rate system produced and be used for carrying out the membrane separation system that the concentration was separated with the inorganic salt solution. The liquid inlet end of the membrane separation system is connected with the storage tank through a material conveying pipe, and a material conveying pump is arranged on the material conveying pipe. The utility model discloses a continuous ion separation system separates sugar and inorganic salt to recycle after concentrating the inorganic salt solution that separates out through membrane separation system, effectively saved the quantity of water, reduced the emission of waste water, when realizing extracting technology energy-conservation, emission reduction, automated production's purpose, shorten production technology cycle, improve production efficiency, reduce the manufacturing cost of product.
Description
Technical Field
The utility model belongs to the technical field of the separation, in particular to separation system of sugar and inorganic salt.
Background
In the prior art, the solution containing sugar and inorganic salt is difficult to directly separate sugar and inorganic salt, and the separation of sugar and inorganic salt is usually realized in a mode of combining a plurality of processes such as neutralization, membrane separation and the like, which invisibly increases the production cost and wastes resources. The existing separation process of sugar and inorganic salt generally adopts cation-anion resin to carry out sectional separation on cations and anions in sugar liquid, and the regeneration of the ion exchange resin consumes a large amount of water and simultaneously generates acid and alkali wastewater, thereby causing water resource waste and bringing environmental pressure.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a sugar and inorganic salt separating system, which employs a continuous ion separating system to separate sugar and inorganic salt, and employs a membrane separating system to concentrate and reuse the produced inorganic salt solution, thereby reducing the water consumption and reducing the discharge of waste water.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a separation system for sugar and inorganic salt comprises a continuous ion separation system for separating sugar and inorganic salt, a storage tank for collecting inorganic salt solution generated by the continuous ion separation system, a sugar solution tank for collecting sugar solution generated by the continuous ion separation system, and a membrane separation system for concentrating and separating the inorganic salt solution. The liquid inlet end of the membrane separation system is connected with the storage tank through a material conveying pipe, and a material conveying pump is arranged on the material conveying pipe.
Preferably, the membrane adopted by the membrane separation system is a reverse osmosis membrane. Pure water components and inorganic matter components can be obtained by adopting reverse osmosis membrane separation, and if nanofiltration or ultrafiltration is adopted, the condition of incomplete separation can occur, so that impurities are carried in the separated water, and the recycling is influenced.
Further, the continuous ion separation system comprises at least 2 resin columns which are uniformly distributed along the circumferential direction, and the interior of each resin column is filled with resin filler for adsorbing inorganic salt.
Preferably, the resin filler is K+Type chromatography resin packing.
Further, the continuous ion separation system comprises 24 resin columns. The continuous ion separation system comprises a first separation system and a second separation system, and the first separation system and the second separation system respectively comprise 12 resin columns. The first separation system and the second separation system are divided into 3 regions, and each region comprises the following components:
an adsorption zone: contain 4 resin columns, 4 resin columns divide into series connection's first adsorption zone and second adsorption zone, and first adsorption zone and second adsorption zone are respectively including 2 resin columns of mutual parallel connection, and the inlet pipe is connected to the top feed liquor end in first adsorption zone, and the bottom of second adsorption zone goes out the liquid end and passes through pipe connection to sugar liquid jar.
A sugar washing area: contain 4 resin columns, 4 resin columns divide into first sugar washing district and second sugar washing district of series connection, and first sugar washing district and second sugar washing district are respectively including 2 resin columns of mutual parallel connection. The top liquid inlet end of the first sugar washing area is connected with the outlet of the liquid pumping pump through a pipeline, the inlet of the liquid pumping pump is connected with the storage tank through a pipeline, and the bottom liquid outlet end of the second sugar washing area is connected with the feeding pipe through a pipeline.
Inorganic salt washing zone: comprises 4 resin columns which are connected in series in sequence, the liquid inlet end of the inorganic salt cleaning area is connected with a pure water pipe, and the liquid outlet end is connected to a storage tank through a pipeline.
Wherein, the adsorption area, the sugar washing area and the inorganic salt washing area are arranged in sequence along the circumferential direction.
The utility model discloses following beneficial effect has: 1. breaking through the neutralization-extraction process in the traditional sugar making process, not only separating two substances by a physical method, but also recycling resources after retreating the by-products, recycling effective resources and being more economic and environment-friendly; 2. the use of water can be effectively saved, and the discharge of waste water is reduced; 3. the equipment investment is reduced, and the occupied area is reduced; 4. the production process period is shortened, the time is saved, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of a sugar and inorganic salt separation system according to the present invention.
Fig. 2 is a schematic diagram of a continuous ion separation system.
Description of the main component symbols: 1. a continuous ion separation system; 101. a first separation system; 102. a second separation system; 11. a feed pipe; 12. a liquid pump; 13. a pure water pipe; 2. a storage tank; 3. a sugar solution tank; 4. a membrane separation system; 40. a reverse osmosis membrane; 5. a delivery pipe; 6. a material delivery pump.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1, a separation system for sugar and inorganic salt comprises a continuous ion separation system 1 for separating sugar and inorganic salt, a storage tank 2 for collecting inorganic salt solution generated by the continuous ion separation system 1, a sugar solution tank 3 for collecting sugar solution generated by the continuous ion separation system 1, and a membrane separation system 4 for concentrating and separating inorganic salt solution. The liquid inlet end of the membrane separation system 4 is connected with the storage tank 2 through a material conveying pipe 5, and a material conveying pump 6 is arranged on the material conveying pipe 5.
Preferably, the membrane employed in the membrane separation system 4 is a reverse osmosis membrane 40. Pure water components and inorganic matter components can be obtained by adopting the reverse osmosis membrane 40 for separation, and if nanofiltration or ultrafiltration is adopted, incomplete separation can occur, so that impurities are carried in the separated water, and the recycling is influenced.
As shown in FIG. 2, the continuous ion separation system 1 comprises 24 resin columns uniformly arranged on a circular turntable along the circumferential direction, and K for adsorbing inorganic salts is filled in each resin column+The position of the resin column is switched once after the turntable is stepped once, and the resin column is switched leftwards one by one in the embodiment. The continuous ion separation system 1 includes a first separation system 101 and a second separation system 102, the first separation system 101 includes 12 resin columns (1-12#), the first separation system 101 is divided into 3 regions, each region is composed as follows:
an adsorption zone: contain 4 resin columns (9-12#), 4 resin columns divide into the first adsorption zone (9#, 10#) and the second adsorption zone (11#, 12#) of series connection, and inlet pipe 11 is connected to the top inlet port of 9# resin column and 10# resin column, and 11# resin column and 12# resin column's bottom play liquid end pass through pipe connection to sugar liquid jar 3.
A sugar washing area: contain 4 resin columns (5-8#), 4 resin columns divide into the first sugar washing district (5#, 6#) and the second sugar washing district (7#, 8#) of series connection, and the top feed liquor end of 5# resin column and 6# resin column passes through the pipeline and links to each other with the export of drawing liquid pump 12, and the import of drawing liquid pump 12 passes through the pipeline and links to each other with holding vessel 2, and the bottom of 7# resin column and 8# resin column is gone out the liquid end and is passed through the pipeline and link to each other with inlet pipe 11.
Inorganic salt washing zone: comprises 4 resin columns (1-4#) connected in series in sequence, wherein the liquid inlet end of the 1# resin column is connected with a pure water pipe 13, and the liquid outlet end of the 4# resin column is connected to a storage tank 2 through a pipeline.
The second separation systems 102 each include 12 resin columns (13-24#), and the second separation system 102 is divided into 3 zones, each zone consisting of:
an adsorption zone: the sugar solution machine comprises 4 resin columns (21-24#), wherein the 4 resin columns are divided into a first adsorption area (21#, 22#) and a second adsorption area (23#, 24#) which are connected in series, the liquid inlet ends at the tops of the 21# resin columns and the 22# resin columns are connected with a feeding pipe 11, and the liquid outlet ends at the bottoms of the 23# resin columns and the 24# resin columns are connected to a sugar solution tank 3 through pipelines.
A sugar washing area: contain 4 resin columns (17-20#), 4 resin columns divide into the first sugar washing district (17#, 18#) and the second sugar washing district (19#, 20#) of series connection, and the top inlet end of 17# resin column and 18# resin column passes through the pipeline and links to each other with the export of drawing liquid pump 12, and the import of drawing liquid pump 12 passes through the pipeline and links to each other with holding vessel 2, and the bottom of 19# resin column and 20# resin column is gone out the liquid end and is linked to each other with inlet pipe 11 through the pipeline.
Inorganic salt washing zone: comprises 4 resin columns (13-16#) connected in series in sequence, wherein the liquid inlet end of the 13# resin column is connected with a pure water pipe 13, and the liquid outlet end of the 16# resin column is connected to a storage tank 2 through a pipeline.
The separation system for separating the sugar and the inorganic salt comprises the following steps:
firstly, pumping a mixed solution of sugar and inorganic salt in a raw material tank into a continuous ion separation system 1, adsorbing the inorganic salt in the mixed solution by a resin column in the continuous ion separation system 1 to obtain sugar liquor, and collecting the sugar liquor into a sugar liquor tank 3.
And secondly, washing the resin column which has absorbed the inorganic salt with inorganic salt water solution, washing out residual sugar in the resin column, and returning the washed sugar liquid to the raw material tank.
And thirdly, washing out the inorganic salt in the resin column after sugar washing by using pure water and collecting the inorganic salt in the storage tank 2.
And fourthly, pumping the inorganic salt solution in the storage tank 2 into the membrane separation system 2 for concentration treatment to obtain pure water and inorganic acid concentrated solution which are reused in the continuous ion separation system 1.
Repeating the above steps to continuously separate the sugar salt from the feed solution.
The feeding material of the continuous ion separation system 1 of the utility model is sugar liquid (can be polysaccharide or monosaccharide), wherein the components are sugar, inorganic salt, organic acid, inorganic acid, pigment, etc. The sugar content is represented by a refractive index of 5-20 Brix, and the inorganic matter is characterized by an electric conductivity of 15.0-60 ms/cm. After separation is carried out by the continuous ion separation system 1, the refractive index of the obtained sugar solution is 5-20 Brix, and the conductivity of the obtained inorganic salt mixed solution is 8-40 ms/cm. And pumping the inorganic substance mixed solution into the membrane separation system 2 for concentration and separation, so that 20-80% of water can be recovered for returning to production, and the inorganic substance in the concentrated solution can continue to return to production for use because the inorganic substance also contains a large amount of inorganic acid. The utility model discloses combine continuous ion separation system 1 and 2 organic of membrane separation system, abundant complementary breaks acid-base neutralization, separation concentration in traditional technology for the sugaring technology is more environmental protection and more economic.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A separation system for sugars and inorganic salts, characterized in that: the continuous ion separation system comprises a continuous ion separation system for separating sugar and inorganic salt, a storage tank for collecting inorganic salt solution generated by the continuous ion separation system, a sugar solution tank for collecting sugar solution generated by the continuous ion separation system and a membrane separation system for concentrating and separating the inorganic salt solution, wherein the liquid inlet end of the membrane separation system is connected with the storage tank through a material conveying pipe, and the material conveying pipe is provided with a material conveying pump; the continuous ion separation system comprises at least 2 resin columns which are uniformly distributed along the circumferential direction, and resin filler for adsorbing inorganic salt is filled in each resin column;
continuous ion separation system include 24 resin columns, continuous ion separation system include first piece of separation system and second piece of separation system, first piece of separation system and second piece of separation system all include 12 resin columns, first piece of separation system and second piece of separation system equally divide into 3 regions, every regional component is as follows:
an adsorption zone: the sugar solution adsorption device comprises 4 resin columns, wherein the 4 resin columns are divided into a first adsorption area and a second adsorption area which are connected in series, the first adsorption area and the second adsorption area respectively comprise 2 resin columns which are connected in parallel, the liquid inlet end at the top of the first adsorption area is connected with a feeding pipe, and the liquid outlet end at the bottom of the second adsorption area is connected to a sugar solution tank through a pipeline;
a sugar washing area: the device comprises 4 resin columns, wherein the 4 resin columns are divided into a first sugar washing area and a second sugar washing area which are connected in series, the first sugar washing area and the second sugar washing area respectively comprise 2 resin columns which are connected in parallel, the liquid inlet end at the top of the first sugar washing area is connected with the outlet of a liquid suction pump through a pipeline, the inlet of the liquid suction pump is connected with a storage tank through a pipeline, and the liquid outlet end at the bottom of the second sugar washing area is connected with a feeding pipe through a pipeline;
inorganic salt washing zone: comprises 4 resin columns which are connected in series in sequence, the liquid inlet end of the inorganic salt cleaning area is connected with a pure water pipe, and the liquid outlet end is connected to a storage tank through a pipeline.
2. A separation system of sugars and inorganic salts according to claim 1, characterized in that: the membrane adopted by the membrane separation system is a reverse osmosis membrane.
3. A separation system of sugars and inorganic salts according to claim 1, characterized in that: the resin filler is K+Type chromatography resin packing.
4. A separation system of sugars and inorganic salts according to claim 1, characterized in that: the adsorption area, the sugar washing area and the inorganic salt washing area are sequentially arranged along the circumferential direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020726459 | 2020-05-06 | ||
| CN2020207264590 | 2020-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214344587U true CN214344587U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023063143.7U Active CN214344587U (en) | 2020-05-06 | 2020-12-18 | Separation system of sugar and inorganic salt |
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|---|---|
| CN (1) | CN214344587U (en) |
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2020
- 2020-12-18 CN CN202023063143.7U patent/CN214344587U/en active Active
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