CN210815296U - Maltose ion exchange deodorization device - Google Patents
Maltose ion exchange deodorization device Download PDFInfo
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- CN210815296U CN210815296U CN201921610234.2U CN201921610234U CN210815296U CN 210815296 U CN210815296 U CN 210815296U CN 201921610234 U CN201921610234 U CN 201921610234U CN 210815296 U CN210815296 U CN 210815296U
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Abstract
The utility model belongs to the technical field of the maltose processing, specific saying relates to a maltose ion exchange takes off flavor device, is applicable to the finish machining after the maltose decoloration. The main technical scheme is as follows: the device comprises an ion exchange column group, a mixed bed column group and a deodorizing column group which are sequentially connected through a connecting pipeline, wherein the ion exchange column group comprises a plurality of cation exchange columns formed by D001-FD resin and anion exchange columns formed by D354-FD resin; the mixed bed column set comprises one or more mixed ion exchange columns composed of DOWEX88MB resin and DOWEX 22 resin; the taste-removing column group comprises one or more ion exchange columns composed of XAD-16N resin. The maltose ion-exchange and odor-removing device has the characteristics of optimizing the maltose ion-exchange process and having good effect of removing peculiar smell and impurities in sugar liquid.
Description
Technical Field
The utility model belongs to the technical field of the maltose processing, specific saying relates to a maltose ion exchange takes off flavor device, is applicable to the finish machining after the maltose decoloration.
Background
The maltose syrup is a product which takes high-quality starch as a raw material and is refined and concentrated by the procedures of size mixing, liquefying, saccharifying, decoloring, filtering, ion exchange, evaporation and the like to form the maltose syrup which takes maltose as a main component, and the maltose syrup is widely applied to the industries of candies, cold drinks and dairy products due to the characteristics of lower moisture absorption, higher moisture retention, moderate sweetness, good crystallinity resistance, oxidation resistance, moderate viscosity, good chemical stability, low freezing point and the like.
After being decolored and filtered, the maltose syrup enters an ion exchange process to remove negative, positive ions and colored impurities in the sugar solution, but after entering the ion exchange process, the maltose syrup and carbonyl compounds (mainly reducing sugar) undergo Maillard reaction under alkaline conditions to produce a series of peculiar smell components, such as isovaleraldehyde 2.0 mu g/L, acetaldehyde 109 mu g/L, furfural 62 mu g/L (containing 5-hydroxymethyl-2 furfural) and the like, so that the production quality of maltose is influenced, and the problem which troubles fine processing is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an optimize maltose ion exchange process, get rid of the effectual maltose ion exchange flavor-removing device of peculiar smell impurity in the sugar solution.
In order to achieve the above object, the utility model adopts the following technical scheme:
a maltose ion-exchange and odor-removing device is used for fine processing after decolorization and comprises an ion-exchange column group, a mixed bed column group and an odor-removing column group which are sequentially connected through a connecting pipeline, wherein the ion-exchange column group comprises a plurality of cation exchange columns formed by D001-FD resin and anion exchange columns formed by D354-FD resin; the mixed bed column set comprises one or more mixed ion exchange columns composed of DOWEX88MB resin and DOWEX 22 resin; the taste-removing column group comprises one or more ion exchange columns composed of XAD-16N resin.
The additional technical characteristics of the maltose ion-exchange and deodorization device also comprise:
-the set of ion exchange columns comprises at least two ion exchange units in series or in parallel, the ion exchange units in series consisting of a front cation exchange column and a rear anion exchange column; the ion exchange units connected in parallel are composed of a front cation exchange column, a middle anion exchange column and a rear cation exchange column;
a sampling valve is arranged on a connecting pipeline of the ion exchange column group and the mixed bed column group, and a bag filter, a plate heat exchanger and an on-off valve are arranged on a connecting pipeline at the front end of the ion exchange column group;
the ion exchange column group is connected with a purging air pipe through a plurality of first branch pipes, the purging air pipe is communicated with compressed air, the mixed bed column group is connected with a backwashing pipeline through a plurality of second branch pipes, and the backwashing pipeline is communicated with condensate water; the deodorization column group is connected with a backwashing tank through a plurality of third branch pipes, and desalted water is contained in the backwashing tank;
the ion exchange column group, the mixed bed column group and the odor removal column group are respectively connected with the resin acid-base regeneration tank through a plurality of fourth branch pipes.
Compared with the prior art, the utility model provides a maltose ion exchange takes off flavor device has following advantage: the ion-exchange and odor-removing device comprises an ion-exchange column group, a mixed bed column group and an odor-removing column group which are sequentially connected through a connecting pipeline, wherein the ion-exchange column group comprises a plurality of cation exchange columns formed by D001-FD resin and anion exchange columns formed by D354-FD resin; the mixed bed column group comprises one or more mixed ion exchange columns composed of DOWEX88MB resin and DOWEX 22 resin, optimizes the ion exchange process, improves the working efficiency of the ion exchange resin, decomposes protein and soluble protein which are not completely removed in the preamble into amino compounds (amine, amino acid, peptide, protein and the like) under certain temperature and PH conditions, realizes the fine processing after the maltose is decolored, and improves the quality standard of the maltose; secondly, on the basis of removing impurities by two-stage ion exchange and mixed bed, a deodorizing column group comprising one or more ion exchange columns consisting of XAD-16N resin is added, the XAD-16N resin has a macroporous skeleton structure and large specific surface area, ions are easy to migrate and diffuse in the ion exchange process, the exchange speed is high, the working efficiency is high, a series of peculiar smell components generated in the ion exchange process, such as isovaleraldehyde 2.0 mu g/L, acetaldehyde 109 mu g/L and furfural 62 mu g/L (containing 5-hydroxymethyl-2 furfural) and the like, are completely removed by deodorizing the macroporous adsorption resin adsorption method on the saccharified ion exchange liquid, and the processing quality of the maltol saccharin is improved.
Drawings
Fig. 1 is a schematic structural diagram of a maltose ion-exchange deodorizing device of the present invention.
Detailed Description
The structure and the working principle of the maltose ion-exchange and flavor-removing device provided by the invention are further explained in detail with the accompanying drawings.
Referring to fig. 1, the structure of a maltose ion-exchange and flavor-removing device provided by the present invention is schematically illustrated. The structure of the maltose ion-exchange and odor-removal device comprises an ion-exchange column group 1, a mixed bed column group 2 and an odor-removal column group 3 which are sequentially connected through a connecting pipeline, wherein the ion-exchange column group 1 comprises a plurality of cation exchange columns 11 formed by D001-FD resin and anion exchange columns 12 formed by D354-FD resin; the mixed bed column set 2 comprises one or more mixed ion exchange columns 21 composed of DOWEX88MB resin and DOWEX 22 resin; the taste-reduction column set 3 comprises one or more ion exchange columns 31 composed of XAD-16N resin.
The working principle is as follows: the maltose liquid after the decolorization process sequentially enters an ion exchange column group 1, a mixed bed column group 2 and a deodorization column group 3 through connecting pipelines, wherein a cation exchange column 11 consisting of D001-FD resin and an anion exchange column 12 consisting of D354-FD resin mainly complete the primary processing of ion exchange and impurity removal, cations (Na +, K +, Ca + and the like), anions (CL-, SO 4-, NO 3-and the like), colored gases and impurities generating bad taste and smell in the material are exchanged with OH-ions and H + ions carried by the anion and cation resin in the ion exchange column group 11 to remove the impurities such as ions and proteins through the ion exchange columns (11, 12), which is the main process of the Maillard reaction, and the proteins and soluble proteins which are not completely removed in the previous process are decomposed into amino compounds (amine, soluble protein) under certain temperature and pH conditions, Amino acids, peptides, proteins, etc.); the mixed ion exchange column 21 composed of DOWEX88MB resin and DOWEX 22 resin of the mixed bed column group 2 and the ion exchange column 31 composed of XAD-16N resin of the deodorizing column group 3 form fine processing of ion exchange and impurity removal, a series of peculiar smell components generated in the ion exchange process, such as isovaleraldehyde 2.0 mu g/L, acetaldehyde 109 mu g/L, furfural 62 mu g/L (containing 5-hydroxymethyl-2 furfural) and the like, are completely removed, and the fine processing quality of the maltose is improved.
In the structure constituting the above-mentioned maltose ion-exchange deodorizing device,
in order to improve the ion exchange efficiency and optimize the production process, the ion exchange column set 1 comprises at least two ion exchange units 10 connected in series or in parallel, and the ion exchange units 10 connected in series are composed of a front cation exchange column 11 and a rear anion exchange column 12; the ion exchange unit connected in parallel is composed of a front cation exchange column 11, a middle anion exchange column 12 and a rear cation exchange column 11, the equipment layout realizes continuous ion exchange, the resin consumption is obviously reduced, no idle resin exists in the operation, the resin efficiency is fully exerted, the resin consumption is greatly reduced compared with a fixed bed under the condition of finishing the same production capacity, the resin consumption is only a fraction to one tenth of the fixed bed, the quality standard of the ion exchange liquid is transparent, clear, colorless, free of foreign matters and free of foam layers, the conductivity is less than or equal to 50us/cm, the PH is greater than or equal to 4.4, the light transmittance is greater than or equal to 99 percent, and the PH value of the ion exchange liquid is adjusted by utilizing the existing cation column without adding acid;
furthermore, a sampling valve 5 is arranged on a connecting pipeline positioned between the ion exchange column group 1 and the mixed bed column group 2, a bag filter, a plate heat exchanger and an on-off valve 41 are arranged on a connecting pipeline positioned at the front end of the ion exchange column group 1, sugar liquor is produced in the decoloring process, the sugar temperature is reduced to be less than or equal to 50 ℃ through the bag filter and the plate heat exchanger by a pump, the sugar liquor enters the ion exchange column group 1 and the mixed bed column group 2 and then is subjected to ion exchange and decoloring through a cation-anion bed, and the flow is controlled to be 2.5-3 times/h of the volume of the single-tank resin. The sampling valve detects sugar liquid after ion exchange, when the conductivity of the liquid is more than or equal to 120US/cm or the color of the liquid obviously turns yellow, the on-off valve is controlled to stop feeding the liquid, the cation and anion exchange columns 12 in the original ion exchange column group 1 are adjusted, for example, the on-off valve 42 is arranged at the front end of the ion exchange units connected in parallel to alternately work;
in order to enhance the backwashing effect of the ion exchange column resin and improve the cleaning degree of the ion exchange column, the ion exchange column group 1 is connected with a purging air pipe through a plurality of first branch pipes 61, the purging air pipe is communicated with compressed air 7, the mixed bed column group 2 is connected with a backwashing pipeline through a plurality of second branch pipes 62, and the backwashing pipeline is communicated with condensate water 8; the deodorization column group 3 is connected with a backwashing tank through a plurality of third branch pipes 63, desalted water 9 is contained in the backwashing tank, residual sugar in the tank can be thoroughly removed through the device, and the backwashing and regeneration effects of the ionic resin are ensured, wherein the mixed bed deodorization is required to be treated by the desalted water, so that the sugar solution is prevented from being tainted with odor due to the contact of the sugar solution and the evaporation condensate;
preferably, the ion-exchange column group 1, the mixed bed column group 2 and the odor-removing column group 3 are respectively connected with the resin acid-base regeneration tank 12 through a plurality of fourth branch pipes 64, so that the repeated use of ion-exchange and odor-removing resin is realized, and the production cost is reduced.
Production proves that after the malt sugar liquid is subjected to cation and anion exchange by the ion exchange column group 1 and the mixed bed column group 2, the produced material is yellowish and has peculiar smell, the material is deodorized by macroporous adsorption resin of the deodorization column group 3, the aim of decoloring and deodorizing is achieved, the chromaticity of a finished product is improved after deodorization, the boiling temperature and the light transmittance are improved, and the material quality is greatly improved.
After the ion-exchange mixed bed deodorization is carried out by the device, 0.26 mug/L of isovaleraldehyde, 52 mug/L of acetaldehyde and furfural in the sugar solution are not detected, and the effect is very obvious.
Claims (5)
1. A maltose ion-exchange flavor removing device is used for finish machining after decolorization and is characterized in that: the device comprises an ion exchange column group, a mixed bed column group and a deodorizing column group which are sequentially connected through a connecting pipeline, wherein the ion exchange column group comprises a plurality of cation exchange columns formed by D001-FD resin and anion exchange columns formed by D354-FD resin; the mixed bed column set comprises one or more mixed ion exchange columns composed of DOWEX88MB resin and DOWEX 22 resin; the taste-removing column group comprises one or more ion exchange columns composed of XAD-16N resin.
2. The maltose ion-exchange deflavour device of claim 1, wherein: the ion exchange column group comprises at least two ion exchange units which are connected in series or in parallel, and the ion exchange units connected in series are composed of a front cation exchange column and a rear anion exchange column; the ion exchange unit connected in parallel consists of a front cation exchange column, a middle anion exchange column and a rear cation exchange column.
3. The maltose ion-exchange deflavour device of claim 1, wherein: and a sampling valve is arranged on a connecting pipeline between the ion exchange column group and the mixed bed column group, and a bag filter, a plate heat exchanger and an on-off valve are arranged on a connecting pipeline at the front end of the ion exchange column group.
4. The maltose ion-exchange deflavour device of claim 1, wherein: the ion exchange column group is connected with a purging air pipe through a plurality of first branch pipes, the purging air pipe is communicated with compressed air, the mixed bed column group is connected with a backwashing pipeline through a plurality of second branch pipes, and the backwashing pipeline is communicated with condensate water; the deodorization column group is connected with a backwashing tank through a plurality of third branch pipes, and desalted water is contained in the backwashing tank.
5. The maltose ion-exchange deflavour device of claim 1, wherein: the ion exchange column group, the mixed bed column group and the odor removal column group are respectively connected with the resin acid-base regeneration tank through a plurality of fourth branch pipes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921610234.2U CN210815296U (en) | 2019-09-26 | 2019-09-26 | Maltose ion exchange deodorization device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921610234.2U CN210815296U (en) | 2019-09-26 | 2019-09-26 | Maltose ion exchange deodorization device |
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| CN210815296U true CN210815296U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450904A (en) * | 2019-09-26 | 2020-07-28 | 中粮生化能源（衡水）有限公司 | Maltose ion exchange deodorization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450904A (en) * | 2019-09-26 | 2020-07-28 | 中粮生化能源（衡水）有限公司 | Maltose ion exchange deodorization device |
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