CN210560185U - Device for purifying and recovering protein peptide by membrane method - Google Patents
Device for purifying and recovering protein peptide by membrane method Download PDFInfo
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- CN210560185U CN210560185U CN201921226986.9U CN201921226986U CN210560185U CN 210560185 U CN210560185 U CN 210560185U CN 201921226986 U CN201921226986 U CN 201921226986U CN 210560185 U CN210560185 U CN 210560185U
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Abstract
The utility model discloses a device for purifying and recovering protein peptide by a membrane method, which comprises a ceramic membrane separation system, an ultrafiltration membrane system, a first nanofiltration membrane system, a second nanofiltration membrane system and a reuse water treatment system. The liquid inlet end of the ultrafiltration membrane system is connected with a penetrating fluid outlet of the ceramic membrane separation system, the liquid inlet end of the first nanofiltration membrane system is connected with the penetrating fluid outlet of the ultrafiltration membrane system, and the liquid inlet end of the second nanofiltration membrane system is connected with a concentrated solution outlet of the first nanofiltration membrane system. And the liquid inlet end of the reuse water treatment system is connected with the penetrating fluid outlets of the first nanofiltration system and the second nanofiltration system respectively. The utility model discloses an useful part lies in: the device for purifying and recovering the protein peptide by the membrane method can recover high-purity edible protein peptide and edible oligosaccharide, can realize the recycling of water resources, and greatly reduces the discharge amount of waste water.
Description
Technical Field
The utility model belongs to the technical field of the protein peptide is retrieved, in particular to device of protein peptide is retrieved in purification of membrane process.
Background
The protein peptide is a pure natural nutrient substance extracted from soybeans and is also an important component of human cells. Mainly consists of 2-10 amino acids, and the molecular weight is below 3000. Plays an extremely important role in life activities, has obvious medical health care effects on hypertension resistance, cholesterol resistance, thrombosis resistance, fatigue elimination, liver protection, arteriosclerosis prevention, physical and muscular strength enhancement, human immunity enhancement and the like, and diabetes, and is a functional health care food suitable for the old and the young.
The centrifugal separation process for producing the protein peptide can generate a large amount of protein peptide wastewater, the wastewater has complex components, the protein peptide has low purity and is difficult to utilize, the protein peptide is treated in a sewage form, the cost is high, and the resource waste is caused, so a device which can recycle the protein peptide in the protein peptide wastewater and can reduce the wastewater discharge amount needs to be designed.
Disclosure of Invention
To the above problem, an object of the utility model is to provide a device of protein peptide is retrieved in purification of membrane method, the device not only can retrieve the protein peptide in the protein peptide waste water, can also realize the retrieval and utilization of waste water, reduces the waste water discharge.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a device for purifying and recovering protein peptide by a membrane method comprises a ceramic membrane separation system, an ultrafiltration membrane system, a first nanofiltration membrane system, a second nanofiltration membrane system and a reuse water treatment system. The liquid inlet end of the ultrafiltration membrane system is connected with a penetrating fluid outlet of the ceramic membrane separation system, the liquid inlet end of the first nanofiltration membrane system is connected with the penetrating fluid outlet of the ultrafiltration membrane system, and the liquid inlet end of the second nanofiltration membrane system is connected with a concentrated solution outlet of the first nanofiltration membrane system. And the liquid inlet end of the reuse water treatment system is connected with the penetrating fluid outlets of the first nanofiltration system and the second nanofiltration system respectively.
Further, ceramic membrane separation system including the one-level head tank, one-level valve, one-level conveying pump, ceramic membrane separation element and the one-level tank of connecting in order, the dislysate export of ceramic membrane separation element links to each other with the one-level tank of dialysing, the concentrate export links to each other with the one-level head tank through the one-level back flow, the one-level back flow on be equipped with one-level heat transfer device.
The ceramic membrane separation unit is characterized in that the aperture of a ceramic membrane used in the ceramic membrane separation unit is 50-150 nm.
Further, the milipore filter system including second grade head tank, second grade valve, second grade delivery pump, milipore filter separating unit and the second grade dialysis tank that connect in order, second grade head tank links to each other with one-level dialysis tank pipeline, milipore filter separating unit's dislysate export links to each other with the second grade dialysis tank, the concentrate export passes through the second grade back flow and links to each other with the second grade head tank, the second grade back flow on be equipped with second grade heat transfer device.
Wherein the ultrafiltration membrane adopted by the ultrafiltration membrane separation unit has the molecular weight cutoff of 2200 to 2800 daltons.
Further, the first nanofiltration membrane system comprises a three-stage raw material tank, a three-stage valve, a three-stage material conveying pump, a first nanofiltration membrane separation unit and a three-stage dialysate tank which are connected in sequence. Tertiary head tank links to each other with second grade dialysis fluid reservoir pipeline, and first receive filter membrane separating element's dislysate export links to each other with tertiary dialysis fluid reservoir, and the concentrate export links to each other with tertiary head tank through tertiary back flow, tertiary back flow on be equipped with tertiary heat transfer device.
Further, the second nanofiltration membrane system comprises a four-stage raw material tank, a four-stage valve, a four-stage material conveying pump, a second nanofiltration membrane separation unit and a four-stage dialysate tank which are connected in sequence. Level four head tank pass through the connecting pipe and link to each other with tertiary head tank, the second receives the dislysate export of filter membrane separating element and links to each other with level four dislysate jar, the concentrate export links to each other with level four head tank through level four back flow, level four back flow on be equipped with level four heat transfer device.
Furthermore, the connecting pipe is provided with a cation exchange column for decolorization, the four-stage raw material tank is connected with a liquid outlet end pipeline of the cation exchange column, and a liquid inlet end of the cation exchange column is connected with a three-stage raw material tank pipeline.
Furthermore, the intercepted molecular weight of the nanofiltration membrane adopted by the first nanofiltration membrane separation unit and the second nanofiltration membrane separation unit is 150-300 daltons.
Furthermore, reuse water processing system include five grades of head tank, five grades of valves, five grades of conveying pumps, reverse osmosis membrane separation element and five grades of dialysis fluid tanks that connect in order. And the third-stage dialysate tank and the fourth-stage dialysate tank are respectively connected with the five-stage raw material tank through pipelines. The dialysate outlet of the reverse osmosis membrane separation unit is connected with a five-stage dialysate tank, the concentrated solution outlet is connected with a five-stage raw material tank through a five-stage return pipe, and a five-stage heat exchange device is arranged on the five-stage return pipe.
The working process of the device for purifying and recovering the protein peptide by the membrane method comprises the following steps:
firstly, protein peptide wastewater enters a ceramic membrane separation system, a ceramic membrane separation unit in the ceramic membrane separation system carries out suspended matter removal treatment on the protein peptide wastewater, dialysate generated by filtration of the ceramic membrane separation unit enters an ultrafiltration membrane system, and concentrated solution is subjected to post-treatment.
And secondly, removing impurities from the dialysate generated by the ceramic membrane separation unit by an ultrafiltration membrane separation unit in the ultrafiltration membrane system, feeding the generated dialysate into the first nanofiltration membrane system, and spraying powder on the concentrated solution to obtain the edible protein peptide powder.
And thirdly, purifying the dialysate generated by the ultrafiltration membrane separation unit by the first nanofiltration membrane separation unit in the first nanofiltration membrane system, enabling the generated concentrated solution to enter a second nanofiltration membrane system after passing through a decoloration desalting device, and directly enabling the dialysate to enter a reuse water treatment device for water regeneration and reuse.
And step four, concentrating the concentrated solution generated by the first nanofiltration membrane separation unit by a second nanofiltration membrane separation unit of a second nanofiltration membrane system, drying and crystallizing the generated concentrated solution to obtain an oligosaccharide finished product, and recycling the dialysate into a reuse water treatment device for water regeneration.
The utility model discloses following beneficial effect has: the device for purifying and recovering the protein peptide by the membrane method can recover the high-purity edible protein peptide and the high-purity edible oligosaccharide, can realize the recycling of water resources, and greatly reduces the discharge amount of waste water.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of the main component symbols: 1. a ceramic membrane separation system; 11. a primary feed tank; 12. a first-stage valve; 13. a first-stage material conveying pump; 14. a ceramic membrane separation unit; 15. a primary dialysis tank; 16. a primary return pipe; 17. a primary heat exchange device; 2. an ultrafiltration membrane system; 21. a secondary feed tank; 22. a secondary valve; 23. a second-stage delivery pump; 24. an ultrafiltration membrane separation unit; 25. a secondary dialysis tank; 26. a secondary return pipe; 27. a secondary heat exchange device; 3. a first nanofiltration membrane system; 31. a third-stage raw material tank; 32. a tertiary valve; 33. a third-stage delivery pump; 34. a first nanofiltration membrane separation unit; 35. a third-stage dialysate tank; 36. a tertiary return pipe; 37. a third stage heat exchange device; 4. a cation exchange column; 5. a second nanofiltration membrane system; 51. a four-stage material tank; 52. a four-stage valve; 53. a four-stage material conveying pump; 54. a second nanofiltration membrane separation unit; 55. a four-stage dialysate tank; 56. a four-stage return pipe; 57. a four-stage heat exchange device; 6. a reuse water treatment system; 61. a five-stage raw material tank; 62. a five-stage valve; 63. a five-stage delivery pump; 64. a reverse osmosis membrane separation unit; 65. a five-stage dialysate tank; 66. a five-stage return pipe; 67. five-stage heat exchange device.
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, an apparatus for purifying and recovering protein peptide by membrane method comprises a ceramic membrane separation system 1, an ultrafiltration membrane system 2, a first nanofiltration membrane system 3, a cation exchange column 4, a second nanofiltration membrane system 5 and a reuse water treatment system 6.
The ceramic membrane separation system 1 comprises a first-stage raw material tank 11, a first-stage valve 12, a first-stage delivery pump 13, a ceramic membrane separation unit 14 and a first-stage dialysis tank 15 which are connected in sequence, a dialysate outlet of the ceramic membrane separation unit 14 is connected with the first-stage dialysis tank 15, a concentrated solution outlet is connected with the first-stage raw material tank 11 through a first-stage return pipe 16, and a first-stage heat exchange device 17 is arranged on the first-stage return pipe 16. The ceramic membrane used in the ceramic membrane separation unit 14 has a pore diameter of 100 nm.
The ultrafiltration membrane system 2 comprises a secondary raw material tank 21, a secondary valve 22, a secondary delivery pump 23, an ultrafiltration membrane separation unit 24 and a secondary dialysis tank 25 which are connected in sequence, the secondary raw material tank 21 is connected with a primary dialysis tank 15 through a pipeline, a dialysate outlet of the ultrafiltration membrane separation unit 24 is connected with the secondary dialysis tank 25, a concentrated solution outlet is connected with the secondary raw material tank 21 through a secondary return pipe 26, and a secondary heat exchange device 27 is arranged on the secondary return pipe 26. The ultrafiltration membrane used in the ultrafiltration membrane separation unit 24 has a cut-off molecular weight of 2500 daltons.
The first nanofiltration membrane system 3 comprises a tertiary raw material tank 31, a tertiary valve 32, a tertiary delivery pump 33, a first nanofiltration membrane separation unit 34 and a tertiary dialysate tank 35 which are connected in sequence. Tertiary feed tank 31 links to each other with second grade dialysis fluid jar 25 pipeline, and the dislysate export of first nanofiltration membrane separation element 34 links to each other with tertiary dialysis fluid jar 35, and the concentrate export passes through tertiary back flow 36 and links to each other with tertiary feed tank 31, is equipped with tertiary heat transfer device 37 on the tertiary back flow 36. The nanofiltration membrane used in the first nanofiltration membrane separation unit 34 has a molecular weight cut-off of 200 daltons.
The second nanofiltration membrane system 5 comprises a four-stage raw material tank 51, a four-stage valve 52, a four-stage material delivery pump 53, a second nanofiltration membrane separation unit 54 and a four-stage dialysate tank 55 which are connected in sequence. The fourth stage raw material tank 51 is connected to the third stage raw material tank 31 through a connection pipe 50, and the cation exchange column 4 is provided on the connection pipe 50. The dialysate outlet of the second nanofiltration membrane separation unit 54 is connected with the four-stage dialysate tank 45, the concentrated solution outlet is connected with the four-stage raw material tank 51 through a four-stage return pipe 56, and a four-stage heat exchange device 57 is arranged on the four-stage return pipe 56. The nanofiltration membrane used in the second nanofiltration membrane separation unit 54 has a molecular weight cut-off of 200 daltons.
The reuse water treatment system 6 includes a five-stage raw material tank 61, a five-stage valve 62, a five-stage feed pump 63, a reverse osmosis membrane separation unit 64, and a five-stage dialysate tank 65, which are connected in sequence. The third-stage dialysate tank 35 and the fourth-stage dialysate tank 55 are connected to the five-stage material tank 61 through pipes, respectively. The dialysate outlet of the reverse osmosis membrane separation unit 64 is connected with a five-stage dialysate tank 65, the concentrated solution outlet is connected with a five-stage raw material tank 61 through a five-stage return pipe 66, and a five-stage heat exchange device 67 is arranged on the five-stage return pipe 66.
The utility model discloses a working process does:
the protein peptide wastewater solution to be purified and recycled (dry matter is 0.78%, protein content is 31.6%, pH value is 4.15, conductivity is 350us/cm, and light transmittance is 0%) enters a first-stage raw material tank 11, and is firstly put into a ceramic membrane separation unit 14 to be subjected to suspended matter removal treatment by a ceramic membrane with separation pore size of 100 nm.
The dialyzate (dry matter 0.53%, protein content 28.6%, pH value 4.44, conductivity 280us/cm, light transmittance 50%) of the ceramic membrane separation unit 14 enters an ultrafiltration membrane system 2 and is subjected to impurity removal through an organic ultrafiltration membrane with separation and interception molecular weight of 2500 daltons, so that impurities such as oligosaccharide, amino acid, monosaccharide and the like in the solution are removed. Then spraying powder on the concentrated solution (8% of dry matter, 80.5% of protein content, 4.43 of pH value, 30us/cm of conductivity and 40% of light transmittance) generated by the organic ultrafiltration membrane to obtain the edible protein peptide powder.
The dialysate (0.38% of dry matter, 50% of oligosaccharide, 0.6% of protein, 4.44 of pH value, 200us/cm of conductivity and 90% of light transmittance) of the ultrafiltration membrane separation unit 24 enters the first nanofiltration membrane system 3, is purified by an organic nanofiltration membrane with the separation aperture of 150-300 daltons, removes monosaccharides, amino acids and other substances in the solution, and then enters the cation exchange column 4.
Concentrated solution (10% of dry matter, 90% of oligosaccharide content, 4.15 of pH value, 758us/cm of electrical conductivity and 60% of light transmittance) generated by the first nanofiltration membrane unit 34 enters the cation exchange column 4; the feed liquid (dried matter 7%, oligosaccharide content 90%, pH value 5, conductivity 30us/cm, light transmittance 98%) desalted by the cation exchange column 4 enters the second nanofiltration membrane system 5 and is concentrated by an organic nanofiltration membrane with the separation aperture of 150-300 daltons.
The concentrated solution (30% of dry matter, 90% of oligosaccharide content, 4.5 pH value, 50us/cm conductivity and 90% of light transmittance) generated by the second nanofiltration membrane system 5 is dried and crystallized to obtain high-purity oligosaccharide, and the generated dialysate and the dialysate of the first nanofiltration membrane separation unit 34 enter the reuse water treatment system 6 together for water regeneration and reuse.
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 (10)
1. A device for purifying and recovering protein peptide by a membrane method is characterized in that: the filter is characterized by comprising a ceramic membrane separation system, an ultrafiltration membrane system, a first nanofiltration membrane system, a second nanofiltration membrane system and a reuse water treatment system, wherein a liquid inlet end of the ultrafiltration membrane system is connected with a penetrating fluid outlet of the ceramic membrane separation system, a liquid inlet end of the first nanofiltration membrane system is connected with a penetrating fluid outlet of the ultrafiltration membrane system, a liquid inlet end of the second nanofiltration membrane system is connected with a concentrated liquid outlet of the first nanofiltration membrane system, and a liquid inlet end of the reuse water treatment system is connected with penetrating fluid outlets of the first nanofiltration system and the second nanofiltration system respectively.
2. The apparatus for purifying and recovering a protein peptide by a membrane method according to claim 1, wherein: ceramic membrane separation system including the one-level head tank, one-level valve, one-level delivery pump, ceramic membrane separation element and the one-level tank of connecting in order, the dislysate export of ceramic membrane separation element links to each other with the one-level tank of dialysing, the concentrate export links to each other with the one-level head tank through the one-level back flow, the one-level back flow on be equipped with one-level heat transfer device.
3. The apparatus for purifying and recovering a protein peptide by a membrane method according to claim 2, wherein: the ceramic membrane used in the ceramic membrane separation unit has a pore diameter of 50-150 nm.
4. The apparatus for purifying and recovering a protein peptide by a membrane method according to claim 2, wherein: the milipore filter system including second grade head tank, second grade valve, second grade delivery pump, milipore filter separating unit and the second grade dialysis tank that connects in order, second grade head tank links to each other with one-level dialysis tank pipeline, milipore filter separating unit's dislysate export links to each other with the second grade dialysis tank, the concentrate export passes through the second grade back flow and links to each other with the second grade head tank, the second grade back flow on be equipped with second grade heat transfer device.
5. The apparatus for purifying and recovering a protein peptide by a membrane method according to claim 4, wherein: the ultrafiltration membrane used in the ultrafiltration membrane separation unit has a molecular weight cutoff of 2200 to 2800 daltons.
6. The apparatus for purifying and recovering a protein peptide by a membrane method according to claim 4, wherein: first receive filter membrane system including tertiary head tank, tertiary valve, tertiary delivery pump, the first membrane separating element of receiving and tertiary dialysate jar of receiving that connects in order, tertiary head tank links to each other with second grade dialysate jar pipeline, the first dialysate outlet of receiving filter membrane separating element links to each other with tertiary dialysate jar, the concentrate export passes through tertiary back flow and links to each other with tertiary head tank, tertiary back flow on be equipped with tertiary heat transfer device.
7. The apparatus for purifying and recovering a protein peptide by a membrane method according to claim 6, wherein: the second receive filter membrane system including level four head tank, level four valve, level four delivery pump, second that connect in order receive filter membrane isolating unit and level four dislysate jar, level four head tank pass through the connecting pipe and link to each other with level four head tank, the second receives filter membrane isolating unit's dislysate export and level four dislysate jar and links to each other, the concentrate export links to each other with level four head tank through level four back flow, level four back flow on be equipped with level four heat transfer device.
8. The apparatus for purifying and recovering a protein peptide by a membrane method according to claim 7, wherein: the connecting pipe on be equipped with the cation exchange column that is used for the decoloration, level four head tank links to each other with cation exchange column's play liquid end pipeline, cation exchange column's feed liquor end links to each other with tertiary head tank pipeline.
9. The apparatus for purifying and recovering a protein peptide by a membrane method according to claim 7, wherein: the cut-off molecular weight of the nanofiltration membrane adopted by the first nanofiltration membrane separation unit and the second nanofiltration membrane separation unit is 150-300 daltons.
10. The apparatus for purifying and recovering a protein peptide by a membrane method according to claim 7, wherein: the reuse water treatment system comprises a five-stage raw material tank, a five-stage valve, a five-stage material conveying pump, a reverse osmosis membrane separation unit and a five-stage dialysate tank which are connected in sequence, wherein the three-stage dialysate tank and the four-stage dialysate tank are respectively connected with the five-stage raw material tank through pipelines, a dialysate outlet of the reverse osmosis membrane separation unit is connected with the five-stage dialysate tank, a concentrated solution outlet is connected with the five-stage raw material tank through a five-stage return pipe, and the five-stage return pipe is provided with a five-stage heat exchange device.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114540554A (en) * | 2020-11-26 | 2022-05-27 | 赛普特环保技术(厦门)有限公司 | Device and process for producing inulin by using inulin or jerusalem artichoke |
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2019
- 2019-07-31 CN CN201921226986.9U patent/CN210560185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114540554A (en) * | 2020-11-26 | 2022-05-27 | 赛普特环保技术(厦门)有限公司 | Device and process for producing inulin by using inulin or jerusalem artichoke |
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