CN210237652U - Nanofiltration membrane decoloring equipment for xylose production - Google Patents
Nanofiltration membrane decoloring equipment for xylose production Download PDFInfo
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- CN210237652U CN210237652U CN201921188050.1U CN201921188050U CN210237652U CN 210237652 U CN210237652 U CN 210237652U CN 201921188050 U CN201921188050 U CN 201921188050U CN 210237652 U CN210237652 U CN 210237652U
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- stock solution
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- nanofiltration membrane
- mixing chamber
- decoloring device
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Abstract
The utility model discloses a nanofiltration membrane decoloring device for xylose production, which comprises a stock solution tank and a decoloring device arranged near the stock solution tank, wherein the stock solution tank is communicated with the decoloring device through a stock solution pipeline, the stock solution pipeline is provided with a first pressure pump, the decolouring device top all is curved cylindricality jar with the bottom, cylindricality tank deck portion is equipped with agitator motor, the (mixing) shaft is connected to the agitator motor output, be equipped with the stirring leaf of broach form on the (mixing) shaft, the stirring leaf is located the mixing chamber of cylindricality jar inside top, the mixing chamber below is equipped with the sand filter with the mixing chamber intercommunication, the sand filter below is equipped with the milipore filter subassembly with the sand filter intercommunication, milipore filter subassembly below is equipped with the filter membrane subassembly that receives with the milipore filter subassembly intercommunication, it runs through the filtrating outlet pipe way of cylindricality tank bottoms to be equipped with on the filter membrane subassembly to receive, be equipped with the dosing tank on. The utility model has good decolorizing effect, simple process and lower cost.
Description
Technical Field
The utility model relates to a xylose preparation technical field, concretely relates to xylose production receives filter membrane decoloration equipment.
Background
Xylitol is a sweet food with high nutritional value, is also an intermediate of sugar metabolism in a human body, is a nutritional sugar substitute most suitable for diabetics to eat, most of the existing xylose production process decoloration means adopts activated carbon for adsorption decoloration, but the activated carbon cannot be recycled after being used, so that a large amount of waste activated carbon is generated, resources are wasted, moreover, the activated carbon cannot remove proteins and other colloidal substances in xylose, the product quality of the xylose is influenced, the decoloration process of the activated carbon is complex, and the high-quality decolored xylose is obtained, so that the production cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a filter membrane decoloration equipment is received in xylose production for it is complicated to solve xylose decoloration technology, and the decoloration effect is unsatisfactory, technical problem such as xylose quality is not good.
In order to solve the technical problem, the utility model discloses a following scheme:
a nanofiltration membrane decoloring device for xylose production comprises a stock solution tank and a decoloring device arranged close to the stock solution tank, wherein the stock solution tank is communicated with the decoloring device through a stock solution pipeline, a first pressure pump is arranged on the stock solution pipeline, the top and the bottom of the decoloring device are arc-shaped cylindrical tanks, a stirring motor is arranged at the top of each cylindrical tank, the output end of the stirring motor is connected with a stirring shaft, comb-tooth-shaped stirring blades are arranged on the stirring shaft, the stirring blades are positioned in a mixing chamber above the inside of each cylindrical tank, a sand filter communicated with the mixing chamber is arranged below the mixing chamber, the filtration pore diameter of the sand filter is 100nm, an ultrafiltration membrane component communicated with the sand filter is arranged below the sand filter, the interception molecular weight of the ultrafiltration membrane component is 25000 daltons, a nanofiltration membrane component communicated with the ultrafiltration membrane component is arranged below the ultrafiltration membrane component, the interception molecular weight of the nanofiltration membrane component is, a dosing tank is arranged on the side surface of the cylindrical tank and is communicated with the top of the cylindrical tank through a dosing pipeline.
By adopting the technical scheme, the stock solution box and the decoloring device are arranged close to each other, the conveying path of the stock solution can be shortened, the efficiency is accelerated, the stock solution box and the decoloring device are communicated with a stock solution pipeline for conveying the xylose stock solution into the decoloring device for filtering and decoloring, the first booster pump on the stock solution pipeline can control the conveying flow of the stock solution, the stock solution is conveyed into a mixing chamber in the decoloring device and is mixed with the stock solution through a dosing pipeline, a prepared chemical flocculant is conveyed into the mixing chamber to be mixed with the stock solution through the dosing pipeline, a motor at the top of a cylindrical tank drives a stirring shaft to rotate, the stirring shaft drives comb-tooth-shaped stirring blades to rotate clockwise to fully stir the stock solution and the flocculant to form mixed colloid, the mixed colloid is used for adsorbing impurities in the xylose stock solution, after the mixed colloid is stirred for a certain time, the mixed colloid flows to a sand filter below from the mixing chamber, and, the sand filter can filter colloid after adsorbing impurities, achieves the effect of pre-filtering, prevents impurities at the later stage from blocking the nanofiltration membrane, and leads filtrate after filtering the impurities to flow to a difference filtration membrane component, the ultrafiltration membrane component adopts a molecular cut-off value of 25000 daltons and can cut off impurities such as protein and pigment with the molecular weight of more than 25000, the protein belongs to macromolecular substances and is basically between 600 plus one class and 1000000 daltons, so that the transmittance of the filtrate is further improved, the filtrate enters the nanofiltration membrane component, the molecular cut-off value of the nanofiltration membrane component is 900 daltons, the cut-off value of the pigment with the molecular weight of more than 900 is generally between 500 plus one class and 13000 daltons, most of the pigment impurities can be filtered out, the transmittance of filtered liquid reaches 70 percent, the cost is also lower than that of active carbon decoloration under the same result, and finally decolored liquid is conveyed to an external designated position through, the utility model discloses a decoloration simple process only needs mixed medicament, strains miscellaneous, the color filter just can obtain required xylose liquid, and the xylose decoloration is effectual, and the quality is high.
Further, as a preferred technical scheme, a first valve is arranged on the filtrate outlet pipeline.
Due to the adoption of the technical scheme, the filtrate outlet pipeline is horizontally provided with the first valve for controlling the outflow of the filtrate.
Further, as a preferred technical scheme, the filtrate outlet pipeline is communicated with the stock solution pipeline through a return pipeline.
By adopting the technical scheme, the backflow pipeline is hermetically communicated between the filtrate outlet pipeline and the stock solution pipeline and is used for filtering the filtrate again, so that the filtrate has better decolorization effect and higher transparency.
Further, as a preferred technical scheme, a second pressure pump and a second valve are arranged on the return pipeline.
Owing to adopt above-mentioned technical scheme, installation second force pump and second valve on return line, the second valve is close to first valve setting, and the second force pump is installed behind the second valve, and the second valve is used for controlling switching on or blocking of backward flow filtrating, and the second force pump is used for controlling the pressure that backward flow filtrating got into the cylindricality jar.
Further, as a preferred technical scheme, the mixing chamber is in a transparent state, and a glass observation window is arranged on the outer side wall of the cylindrical tank corresponding to the position of the mixing chamber.
By adopting the technical scheme, the mixing chamber is made of transparent glass, and the outer side wall of the cylindrical tank corresponding to the mixing chamber box is provided with the glass observation window, so that the mixing state of the internal stock solution and the medicament can be observed conveniently.
Further, as preferred technical scheme, cylindricality jar top is detachable arc lid.
Owing to adopt the technical scheme of telling on, cylindricality tank deck portion is detachable arc lid, demolishs the arc lid and is convenient for clear up the maintenance to cylindricality jar inside.
Further, as preferred technical scheme, the cylindricality jar bottom is equipped with the supporting leg all around for keep the stability of whole cylindricality jar.
The utility model discloses beneficial effect who has:
1. through pouring into the flocculating agent into the stoste in the mixing chamber, after the full stirring of broach form stirring leaf, impurity in the stoste is adsorbed by the colloid that forms basically, filters the impurity of mixing the colloid through the sand filter, and ultrafiltration membrane subassembly filters most macromolecular protein and pigment impurity and receives the filter membrane subassembly and filters remaining most at the pigment, and the stoste transmittance that so came out is high, and the pigment impurity that contains is few, and the product quality of xylose is high, and decoloration simple process, and the manufacturing cost of same product result is lower than active carbon.
2. A return pipeline is communicated to the stock solution pipeline on the filtrate outlet pipeline, and the filtrate can be conveyed into the cylindrical pipe again for decolorization, so that the final filtrate decolorization quality is higher.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1-cylindrical tank, 2-stock solution tank, 3-stirring motor, 4-stirring shaft, 5-arc cover, 6-sand filter, 7-ultrafiltration membrane component, 8-nanofiltration membrane component, 9-filtrate outlet pipeline, 10-first valve, 11-second valve, 12-stock solution pipeline, 13-reflux pipeline, 14-stirring blade, 15-first pressure pump, 16-second pressure pump, 17-dosing tank, 18-mixing chamber, 19-dosing pipeline and 20-supporting leg.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Examples
As shown in figure 1, a nanofiltration membrane decoloring device for xylose production comprises a stock solution tank 2 and a decoloring device arranged close to the stock solution tank 2, wherein the stock solution tank 2 is communicated with the decoloring device through a stock solution pipeline 12, a first pressure pump 15 is arranged on the stock solution pipeline 12, the top and the bottom of the decoloring device are arc-shaped cylindrical tanks 1, the top of each cylindrical tank 1 is provided with a detachable arc-shaped cover 5, the arc-shaped cover 5 is detached to facilitate cleaning and maintenance of the inside of the cylindrical tank 1, the top of each cylindrical tank 1 is provided with a stirring motor 3, the output end of the stirring motor 3 is connected with a stirring shaft 4, the stirring shaft 4 is provided with a comb-shaped stirring blade 14, the stirring blade 14 is positioned in a mixing chamber 18 above the inside of the cylindrical tank 1, a sand filter 6 communicated with the mixing chamber 18 is arranged below the mixing chamber 18, the filtering pore diameter of the sand filter 6 is 100nm, and an ultrafiltration membrane component, the molecular weight cutoff of the ultrafiltration membrane component 7 is 25000 daltons, a nanofiltration membrane component 8 communicated with the ultrafiltration membrane component 7 is arranged below the ultrafiltration membrane component 7, the molecular weight cutoff of the nanofiltration membrane component 8 is 900 daltons, a filtrate outlet pipeline 9 penetrating through the bottom of the cylindrical tank 1 is arranged on the nanofiltration membrane component 8, and a dosing tank 17 is arranged on the side face of the cylindrical tank 1 and communicated with the top of the cylindrical tank 1 through a dosing pipeline 19.
By adopting the technical scheme, the stock solution box 2 and the decoloring device are arranged close to each other, the conveying path of the stock solution can be shortened, the efficiency is accelerated, the stock solution pipeline 12 is communicated between the stock solution box 2 and the decoloring device and is used for conveying the xylose stock solution into the decoloring device for filtering and decoloring, the first booster pump on the stock solution pipeline 12 can control the conveying flow of the stock solution, the stock solution is conveyed into the mixing chamber 18 in the decoloring device and is conveyed into the mixing chamber 18 through the dosing pipeline 19 to be mixed with the stock solution, the motor at the top of the cylindrical tank 1 drives the stirring shaft 4 to rotate, the stirring shaft 4 drives the comb-tooth-shaped stirring blades 14 to rotate clockwise to fully stir the stock solution and the flocculant to form mixed colloid, the mixed colloid is used for adsorbing impurities in the xylose stock solution, and after being stirred for a certain time, the mixed colloid flows to the sand filter 6 downwards from the mixing chamber 18, the filtering aperture of the sand filter 6 is 100nm, the sand filter 6 can filter colloid after adsorbing impurities, the effect of pre-filtering is achieved, the later stage impurities are prevented from blocking the nanofiltration membrane, the filtrate after filtering the impurities flows to the differential filtration membrane component, the ultrafiltration membrane component 7 adopts a molecular cut-off value of 25000 daltons, and can cut off the impurities such as protein and pigment with the molecular weight of more than 25000, the protein belongs to macromolecular substances and is basically between 600 plus 1000000 daltons, so that the transmittance of the filtrate is further improved, the filtrate enters the nanofiltration membrane component 8, the molecular cut-off value of the nanofiltration membrane component 8 is 900 daltons, the pigment impurities with the molecular weight of more than 900 are cut off, the general pigment is between 500 plus 13000 daltons, most of the pigment impurities can be cut off, thus the transmittance of the filtered liquid reaches 70%, the cost is lower than the decolorization of active carbon under the same result, and the finally decolorized liquid is conveyed to an external designated position through the filtrate, the utility model discloses a decoloration simple process only needs mixed medicament, strains miscellaneous, the color filter just can obtain required xylose liquid, and the xylose decoloration is effectual, and the quality is high.
On the basis of the above embodiment, the filtrate outlet pipe 9 is provided with the first valve 10.
Specifically, a first valve 10 is horizontally installed on the filtrate outlet pipeline 9, and is used for controlling the outflow of the filtrate.
On the basis of the above embodiment, the filtrate outlet pipe 9 is communicated with the stock solution pipe 12 through the return pipe 13.
Specifically, a backflow pipeline 13 is hermetically communicated between the filtrate outlet pipeline 9 and the stock solution pipeline 12 and is used for filtering the filtrate again, so that the filtrate has better decolorization effect and higher transparency.
On the basis of the above embodiment, the return pipe 13 is provided with the second pressure pump 16 and the second valve 11.
Specifically, a second pressure pump 16 and a second valve 11 are installed on the return pipe 13, the second valve 11 is arranged adjacent to the first valve 10, the second pressure pump 16 is installed behind the second valve 11, the second valve 11 is used for controlling the conduction or the blockage of the return filtrate, and the second pressure pump 16 is used for controlling the pressure of the return filtrate entering the cylindrical tank 1.
On the basis of the above embodiment, the mixing chamber 18 is transparent, and a glass observation window is arranged on the outer side wall of the cylindrical tank 1 corresponding to the position of the mixing chamber 18.
Specifically, the mixing chamber 18 is made of transparent glass, and a glass observation window is arranged on the outer side wall of the cylindrical tank 1 corresponding to the mixing chamber 18, so that the mixing state of the internal stock solution and the medicament can be observed conveniently.
On the basis of the above embodiment, the bottom of the cylindrical tank 1 is provided with support legs 20 all around for keeping the stability of the whole cylindrical tank 1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.
Claims (7)
1. A nanofiltration membrane decoloring device for xylose production is characterized by comprising a stock solution tank (2) and a decoloring device arranged close to the stock solution tank (2), wherein the stock solution tank (2) is communicated with the decoloring device through a stock solution pipeline (12), a first pressure pump (15) is arranged on the stock solution pipeline (12), the top and the bottom of the decoloring device are arc-shaped cylindrical tanks (1), the top of each cylindrical tank (1) is provided with a stirring motor (3), the output end of each stirring motor (3) is connected with a stirring shaft (4), each stirring shaft (4) is provided with a comb-tooth-shaped stirring blade (14), each stirring blade (14) is positioned in a mixing chamber (18) above the inside of each cylindrical tank (1), a sand filter (6) communicated with the mixing chamber (18) is arranged below the mixing chamber (18), the filtering pore diameter of the sand filter (6) is 100nm, and an ultrafiltration membrane component (7) communicated with the sand filter (6) is arranged below the sand filter (6), the molecular weight cutoff of the ultrafiltration membrane component (7) is 25000 daltons, a nanofiltration membrane component (8) communicated with the ultrafiltration membrane component (7) is arranged below the ultrafiltration membrane component (7), the molecular weight cutoff of the nanofiltration membrane component (8) is 900 daltons, a filtrate outlet pipeline (9) penetrating through the bottom of the cylindrical tank (1) is arranged on the nanofiltration membrane component (8), and a dosing tank (17) is arranged on the side surface of the cylindrical tank (1) and communicated with the top of the cylindrical tank (1) through a dosing pipeline (19).
2. The nanofiltration membrane decolorization apparatus for xylose production according to claim 1, wherein a first valve (10) is provided on the filtrate outlet line (9).
3. The nanofiltration membrane decolorization apparatus for xylose production according to claim 2, wherein the filtrate outlet line (9) is in communication with the stock solution line (12) via a return line (13).
4. The nanofiltration membrane decolorization apparatus for xylose production according to claim 3, wherein a second pressure pump (16) and a second valve (11) are provided on the return line (13).
5. The nanofiltration membrane decoloring device for xylose production according to claim 1, wherein the mixing chamber (18) is transparent, and a glass observation window is arranged on the outer side wall of the cylindrical tank (1) corresponding to the position of the mixing chamber (18).
6. The nanofiltration membrane decolorization equipment for xylose production according to claim 1, wherein the top of the cylindrical tank (1) is provided with a detachable arc-shaped cover (5).
7. The nanofiltration membrane decoloring device for xylose production according to claim 1, wherein the bottom of the cylindrical tank (1) is provided with support legs (20) at the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188050.1U CN210237652U (en) | 2019-07-26 | 2019-07-26 | Nanofiltration membrane decoloring equipment for xylose production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188050.1U CN210237652U (en) | 2019-07-26 | 2019-07-26 | Nanofiltration membrane decoloring equipment for xylose production |
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| Publication Number | Publication Date |
|---|---|
| CN210237652U true CN210237652U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921188050.1U Expired - Fee Related CN210237652U (en) | 2019-07-26 | 2019-07-26 | Nanofiltration membrane decoloring equipment for xylose production |
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| CN (1) | CN210237652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112892219A (en) * | 2021-01-22 | 2021-06-04 | 夏艳 | Microfiltration membrane experimental equipment for membrane separation |
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2019
- 2019-07-26 CN CN201921188050.1U patent/CN210237652U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112892219A (en) * | 2021-01-22 | 2021-06-04 | 夏艳 | Microfiltration membrane experimental equipment for membrane separation |
| CN112892219B (en) * | 2021-01-22 | 2022-11-29 | 宜昌天仁药业有限责任公司 | Microfiltration membrane experimental equipment for membrane separation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20210726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |