CN201976696U - Composite decolorization device used for mother liquor of monosodium glutamate - Google Patents
Composite decolorization device used for mother liquor of monosodium glutamate Download PDFInfo
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- CN201976696U CN201976696U CN2010206912501U CN201020691250U CN201976696U CN 201976696 U CN201976696 U CN 201976696U CN 2010206912501 U CN2010206912501 U CN 2010206912501U CN 201020691250 U CN201020691250 U CN 201020691250U CN 201976696 U CN201976696 U CN 201976696U
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Abstract
The utility model provides a composite decolorization device used for mother liquor of monosodium glutamate, which comprises a mother liquor treatment container and a filtering device. The mother liquor treatment container is provided with a liquor inlet tube and a liquor outlet tube and is connected with an ozone generator and a medicine adding device, the filtering device is communicated with a lower stream of the mother liquor treatment container, the filtering device is connected with the liquor outlet tube, and the liquor outlet tube is connected with a return pipeline leading to the mother liquor treatment container. Due to treatment of the composite decolorization device, light transmittance of liquor is 90% at least.
Description
Technical field
The utility model relates to a kind of composite decoloration device that is used for sodium glutamate mother liquid, relates in particular to a kind of composite decoloration device that is used for sodium glutamate mother liquid that comprises ozone oxidation, flocculation, filtering technique process.
Background technology
For glutamate production, want to guarantee the quality of monosodium glutamate, must be rigid in checking up from technology.From the angle in refining workshop, to the msg quality influence bigger may be exactly the reason of two aspects, the one, the purity of feed liquid, the 2nd, the processing of mother liquor.Monosodium glutamate is in the refining crystallization process, in system repeatedly the circulation decolour, crystallization, its impurity content rolls up, viscosity increases, be used further to make monosodium glutamate, not only rate of crystalline growth reduces and causes crystallizing cycle to prolong, and influences msg quality at aspects such as opaque, color and luster and light transmittance, hygroscopicity.Therefore the mother liquor after the general circulation several times though wherein still contain a large amount of sodium glutamates, should not be returned to refining link again.
Sodium glutamate mother liquid is faint yellow viscous liquid mostly, have in addition the band brownish red, according to the quality analysis of mother liquor, its look rope composition mainly comprises: the raw materials used yellowish-brown materials such as caramel, pigment that often are being mingled with of glutamate production; Sodium glutamate is in long high temperature boiling process, and some dehydration coking forms sodium pyroglutamate.If the continuation condensing crystallizing, the monosodium glutamate content of gained is low, and impurity is many, does not meet the msg quality standard, can not produce qualified msg product.Therefore, the processing that in sodium glutamate mother liquid refinement treatment process, needs to decolour.
In the art, the research of relevant sodium glutamate mother liquid decolouring processing emerges in an endless stream.But mainly still be treated to the master with charcoal absorption.For example, " the monosodium glutamate refinement mother liquor secondary decolourization Process Discussion " of Wang Weimin etc. (" the scientific and technological communication of fermenting " 2008 the 37th the 4th phases of volume) inquired into the active carbon of monosodium glutamate refinement mother liquor after disposable decolouring again through secondary decolourization, research is under the situation that does not influence every index, reduce the active carbon unit consumption, obtained the technology of economic benefit.According to this article, the feed liquid light transmittance is about 83% behind an activated carbon decolorizing, and the feed liquid light transmittance is about 92% behind the secondary activated carbon decolorizing.
The drawback of activated carbon decolorizing technology is the operating cost height, problems such as production environment difference.
Growing and ripe along with membrane separation technique, the researcher with application of membrane in the treatment process of sodium glutamate mother liquid.For example, " application study of NF membrane technology in monosodium glutamate two road mother liquor decolourings " (" the scientific and technological communication of fermenting " 2008 the 37th the 4th phases of volume) of the long equality of journey introduced the application study situation of NF membrane isolation technics in monosodium glutamate two road mother liquor decolourings, and two road sodium glutamate mother liquid light transmittances after wherein handling through the nanofiltration decolouring are at 78%-86%.
And for example, Chinese patent CN200610036389.0 discloses a kind of sodium glutamate mother liquid decolorization and purification method based on membrane technology, mixed crystallization mother liquor in the glutamate production process is filtered purification through NF membrane, remove metal ions such as a large amount of impurity that exist in the crystalline mother solution and calcium magnesium, separate the nanofiltration dislysate and the nanofiltration concentrated mother liquor of monosodium glutamate; The nanofiltration dislysate obtains the raw material of production high-purity monosodium glutamate after the granular activated carbon adsorption treatment, enter next process production high-purity monosodium glutamate; The backflow of nanofiltration concentrated mother liquor is sneaked in the mixed crystallization mother liquor recycling.Obviously, the technical scheme of this patent combines the decoloration performance of active carbon and membrane technology, therefore, after the light transmittance of mother liquor can be brought up to decolouring from original 50%-70% and handles more than 90%.
But membrane technology separates by film in handling the sodium glutamate mother liquid process fully, because the impurity component complexity in the sodium glutamate mother liquid, solution viscosity is big, and is seriously polluted to film, and operation and maintenance cost are higher; Once investment also is the practical problem of giving prominence to greatly simultaneously.
The utility model content
The purpose of this utility model is to solve in the prior art comparatively complicated in the sodium glutamate mother liquid decolorizing process technique, and processing cost is higher, and decolorizing effect is not good; Or the primary equipment investment is higher, operation and maintenance cost technical problems of high.
The utility model provides a kind of composite decoloration device that is used for sodium glutamate mother liquid, comprise mother liquor container handling with feed tube and drain pipe, described mother liquor container handling is connected with ozone generator and chemicals dosing plant, also comprise filter, described filter UNICOM communicates in the downstream of mother liquor container handling, described filter is connected with drain pipe, is connected with to the return line of described mother liquor container handling on the described drain pipe.
As preferably, on the described feed tube booster pump is installed.
As preferably, between described mother liquor container handling and the filter booster pump is installed.
Usually, the raw materials used yellowish-brown materials such as caramel, look rope that often are being mingled with of glutamate production.Especially the subtractive process high temperature crystallization more is easy to generate pigment.For example, sodium glutamate is in long high temperature boiling process, and some dehydration coking forms sodium pyroglutamate.Such mother liquor is faint yellow viscous liquid mostly, have in addition the band brownish red, if continue condensing crystallizing, the monosodium glutamate content of gained is low, impurity is many, does not meet the msg quality standard, can not produce qualified msg product.Therefore, the processing that in sodium glutamate mother liquid refinement treatment process, needs to decolour.
Ozone can be with the pigment oxidation in the sodium glutamate mother liquid, and the desalination color is introduced flocculant by chemicals dosing plant, and flocculation is discharged sodium glutamate mother liquid with other impurity by filter.
According to the utility model, the glutamic acid sodium content is 25%-40% in the described sodium glutamate mother liquid, preferred 28%-34%; The feed liquid light transmittance is less than 40%.
According to sodium glutamate mother liquid composite decoloration device of the present utility model, decolorization is meant introduces oxidant in sodium glutamate mother liquid, with most of pigment oxidation, and the desalination color.Known various industrial oxidant all can be used for the utility model at present, and through development test, we find that ozone is the most preferred oxidant of the utility model, and ozone can be obtained by ozone generator.
Ozone all has decoloring ability to all dyeing waste-waters.The oxidizing potential height (2.07ev) of ozone belongs to strong oxidizer, can attract electronics consumingly, and oxidation the other side reduces oneself.Ozone can break the color development and the auxochrome group of these dyestuffs of ring, thereby reaches decolorizing effect, and ozone ties up in two keys cut-outs that will become the color development source the effect of coloring matter.Therefore in the utility model, ozone can have been desalinated color with the pigment oxidation in the mother liquor, introduces flocculant by chemicals dosing plant, and flocculation is discharged the process decolouring by filter and handled sodium glutamate mother liquid with other impurity.
According to a kind of sodium glutamate mother liquid composite decoloration device of the present utility model, introduce flocculant by chemicals dosing plant, comprise flocculation process.Flocculation process assists in removing the oxidative decoloration process, and removes the impurity that produces in the sulfate ion process.We have selected multiple flocculant flocculation sodium glutamate mother liquid for use, and final preferred aluminium chloride it is advantageous that its flocculation ability is very strong, impurity substantially all can be flocculated and discharge, and it is cheap, can save production cost.
After described ozone oxidation and the flocculation process, all need sodium glutamate mother liquid is filtered,, obtain the filtrate of clarification to remove impurity.Filter process of the present utility model preferably adopts plate filter.
As preferably, according to a kind of sodium glutamate mother liquid composite decoloration device of the present utility model, also comprise adsorption column, described adsorption column is connected in described filter drain pipe downstream.Feed liquid after filtering is fed adsorption column, help the further decolouring of sodium glutamate mother liquid.Described adsorption column is filled with sorbing material, and described sorbing material can be active carbon, resin, atlapulgite, bentonite, kaolin, attapulgite etc.Active carbon is still very significant to the decolorizing effect of sodium glutamate mother liquid, can improve the light transmittance of sodium glutamate mother liquid when further desalinating the sodium glutamate mother liquid color, and to almost not absorption of active ingredient sodium glutamate in the sodium glutamate mother liquid.Therefore, the utility model preferably adopts active carbon as sorbing material.
Described adsorption column can also adopt the mode of the above adsorption column series connection of secondary, and described adsorption column is selected from the active carbon adsorption post, several series connection successively in decolorizing resin adsorption column and the ion exchange resin column.
Be connected with booster pump on the described adsorption column feed tube.
Be connected with return line on the described adsorption column drain pipe to described adsorption column.
Therefore, the utility model is preferably realized by following technical proposals:
According to a kind of sodium glutamate mother liquid composite decoloration device of the present utility model, the glutamic acid sodium content is 25%-40% in the sodium glutamate mother liquid of handling of waiting to decolour, preferred 28%-34%, and the feed liquid light transmittance is less than 40%.Handle through device of the present utility model, the feed liquid light transmittance reaches more than 90%.
Compared with the prior art the utility model has following advantage:
1, this method is simple to operate, easily promotes.
2, do not need acid, the such Special Equipment of basic hydrolysis, operating cost is low.
3, normal-temperature operation, energy consumption is low.
4, method flow is short, and the loss of active ingredient sodium glutamate seldom in the monosodium glutamate.
5, a large amount of pigment, the removal of impurity in the mother liquor can improve the light transmittance and the purity of sodium glutamate mother liquid, and finally crystallization improves the yield and the end product quality of mother liquor.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
Accompanying drawing 2 is another kind of structural representations of the present utility model.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.But be not limited thereto.
Wherein, equipment that is adopted and medicament are as follows:
Ozone generator: Suzhou gold ozone difficult to understand Co., Ltd, the serial ozone generator of JCF-K (H).
Plate filter: Hangzhou Beit Filter Co., Ltd, model: XLM20/800-UB.
Adsorption column: Shanghai Hu Xi analytical instrument Co., Ltd., Factory, internal diameter: 1.6cm, length: 60cm.
Active carbon: Shanghai active carbon Co., Ltd., Factory, 769 type granular activated carbons, packed height: 60cm.
Decolorizing resin: Anhui Wan Dong chemical industry Co., Ltd, WD-6 decolorizing resin, packed height: 40cm.
Ion exchange resin: Anhui Wan Dong chemical industry Co., Ltd, 001 * 7 strongly acidic styrene type cation exchange resin, packed height: 40cm.
Aluminium chloride: Wuxi west Zhang environmental protection medicament factory, aluminium oxide (Al2O3) content is more than or equal to 29%.
Embodiment 1
As shown in Figure 1, a kind of composite decoloration device that is used for sodium glutamate mother liquid, comprise the booster pump 1 on the feed tube, mother liquor container handling 2, mother liquor container handling 2 are connected with ozone generator 3 and chemicals dosing plant 4, also comprise plate frame filter device 7, described plate frame filter device 7 UNICOMs communicate in the downstream of mother liquor container handling, and by booster pump 5 superchargings conveying, described filter is connected with drain pipe, is connected with the return line 6 to described mother liquor container handling on the described drain pipe.
During the device operation, sodium glutamate mother liquid stoste is sent into mother liquor container handling 2 via force (forcing) pump 1, feeding is carried out oxidation by the ozone that ozone generator 3 produces, then by the impurity in the chemicals dosing plant 4 adding flocculant aluminium chlorides removal mother liquors, be delivered to plate frame filter 7 through booster pump 5 superchargings and filter, after a large amount of pigments and impurity are removed mother liquor is expelled to down technology one through drain pipe.Also be provided with on the mother liquor drain pipe and be back to mother liquor container handling 2 loops 6, be used for the mother liquor decolouring that circulates and handle.
Embodiment 2:
As shown in Figure 2, a kind of composite decoloration device that is used for sodium glutamate mother liquid, comprise the booster pump 1 on the feed tube, mother liquor container handling 2, mother liquor container handling 2 is connected with ozone generator 3 and chemicals dosing plant 4, also comprise plate frame filter device 7, described plate frame filter device 7 UNICOMs communicate in the downstream of mother liquor container handling, and carry by booster pump 5 superchargings, the drain pipe of described filter, via booster pump 8 superchargings, be delivered to adsorption column 9 again, be connected with on described adsorption column 9 drain pipes to described adsorption column 9 return lines 10.
During the device operation, sodium glutamate mother liquid stoste is sent into mother liquor container handling 2 via force (forcing) pump 1, feeding is carried out oxidation by the ozone that ozone generator 3 produces, then by the impurity in the chemicals dosing plant 4 adding flocculant aluminium chlorides removal mother liquors, be delivered to plate frame filter 7 through booster pump 5 superchargings and filter, after a large amount of pigments and impurity are removed mother liquor is expelled to down technology one through drain pipe.Also be provided with on the mother liquor drain pipe and be back to mother liquor container handling 2 loops 6, be used for the mother liquor decolouring that circulates and handle.Plate frame filter 7 drain pipes via booster pump 8 superchargings, are delivered to adsorption column 9 again, carry out further adsorption bleaching, after further pigment and impurity are removed mother liquor are expelled to down technology one through drain pipe.Also be provided with the loop 10 that is back to adsorption column 9 on the mother liquor drain pipe, be used for the mother liquor decolouring that circulates and handle.
Claims (4)
1. composite decoloration device that is used for sodium glutamate mother liquid, it is characterized in that comprising mother liquor container handling with feed tube and drain pipe, described mother liquor container handling is connected with ozone generator and chemicals dosing plant, also comprise filter, described filter UNICOM communicates in the downstream of mother liquor container handling, described filter is connected with drain pipe, is connected with to the return line of described mother liquor container handling on the described drain pipe.
2. a kind of composite decoloration device that is used for sodium glutamate mother liquid according to claim 1 is characterized in that also comprising adsorption column, and described adsorption column is connected in described filter drain pipe downstream.
3. a kind of composite decoloration device that is used for sodium glutamate mother liquid according to claim 2 is characterized in that described adsorption column can also adopt the mode of the above adsorption column series connection of secondary.
4. according to claim 2 or 3 described a kind of composite decoloration devices that are used for sodium glutamate mother liquid, it is characterized in that being connected with on the described adsorption column drain pipe return line to described adsorption column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206912501U CN201976696U (en) | 2010-12-21 | 2010-12-21 | Composite decolorization device used for mother liquor of monosodium glutamate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206912501U CN201976696U (en) | 2010-12-21 | 2010-12-21 | Composite decolorization device used for mother liquor of monosodium glutamate |
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| Publication Number | Publication Date |
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| CN201976696U true CN201976696U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206912501U Expired - Fee Related CN201976696U (en) | 2010-12-21 | 2010-12-21 | Composite decolorization device used for mother liquor of monosodium glutamate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106472963A (en) * | 2016-09-29 | 2017-03-08 | 齐齐哈尔大学 | A kind of discoloration method of alfalfa leaf protein anti-oxidation peptide |
| CN110771854A (en) * | 2019-10-31 | 2020-02-11 | 苏桥娄 | Method for refining monosodium glutamate mother liquor |
-
2010
- 2010-12-21 CN CN2010206912501U patent/CN201976696U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106472963A (en) * | 2016-09-29 | 2017-03-08 | 齐齐哈尔大学 | A kind of discoloration method of alfalfa leaf protein anti-oxidation peptide |
| CN110771854A (en) * | 2019-10-31 | 2020-02-11 | 苏桥娄 | Method for refining monosodium glutamate mother liquor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20131221 |