CN213570258U - Production line preparation system for extracting polysaccharides and flavones from bamboo pulping liquid - Google Patents
Production line preparation system for extracting polysaccharides and flavones from bamboo pulping liquid Download PDFInfo
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- CN213570258U CN213570258U CN202022498810.8U CN202022498810U CN213570258U CN 213570258 U CN213570258 U CN 213570258U CN 202022498810 U CN202022498810 U CN 202022498810U CN 213570258 U CN213570258 U CN 213570258U
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Abstract
The utility model discloses an extract assembly line preparation system of polysaccharide, flavone in bamboo system thick liquid, including filter, a membrane processing apparatus, low pressure vacuum concentrator, secondary membrane processing apparatus, cubic membrane processing apparatus, MVR evaporimeter and quartic membrane processing apparatus, the filter aperture is 15 ~ 45 microns, and a membrane processing apparatus aperture is 0.1 ~ 15 microns, and secondary membrane processing apparatus aperture is 0.01 ~ 0.1 micron, and cubic membrane processing apparatus aperture is 0.5 nanometer ~ 0.01 micron, and quartic membrane processing apparatus aperture is less than 0.5 nanometer. The utility model discloses can isolate macromolecule, micromolecule saccharide extract product, can separate the extract product that obtains substances such as micromolecule flavonoid again, effectively utilized the useful material in the bamboo pulping liquid, realized changing waste into valuables's effect, reduced the processing degree of difficulty of bamboo pulping industry, the preparation process need not to add chemical and green, has characteristics such as easy operation, low in labor strength, degree of automation height, preparation efficiency height, rate of recovery height.
Description
Technical Field
The utility model relates to a bamboo plant draws the field, especially relates to an extract polysaccharide, flavone's assembly line preparation system in bamboo system thick liquid, in particular to extract polysaccharide, flavone's assembly line preparation system in bamboo plant system thick liquid or bamboo plant pulping waste liquid.
Background
Bamboo plants have a wide range of uses, and are both a high-quality fiber raw material and a traditional Chinese medicinal material. How to scientifically utilize bamboo plants, chinese patent No. 201911307366.2 discloses a preparation method and application technology for preparing bamboo pulp fiber and bamboo extract from bamboo, wherein, the bamboo is processed by material preparation and decoction, the separated extraction (waste) liquid-decoction is directly sent to an evaporator for concentration, and the concentrated liquid is sent to a dryer for drying, and the bamboo extract is prepared after drying. Chinese patent No. 201922321906.4 discloses an assembly line preparation system for preparing bamboo pulp fiber from bamboo, wherein the extracted (waste) liquid of the bamboo after material preparation treatment, decoction treatment, mechanical treatment and enzymolysis treatment is directly sent to an evaporator for concentration, and then sent to a dryer for drying, and the dried bamboo extract is prepared. Practice shows that the extract or the extraction waste liquid can not be effectively extracted and utilized, and the following technical problems still exist: firstly, in the evaporation, concentration and drying process, due to the fact that the macromolecular substances such as saccharides and the like are high in content, high in viscosity, scaling, wall sticking and the like, equipment failure is easy to cause, operation is inconvenient, and substances such as flavone and the like are not easy to separate. Secondly, macromolecule substances and micromolecule substances are not separated, and the problems of low product purity, poor quality and the like exist.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid, which removes the residue in the solution firstly and then separates macromolecular substances from micromolecular substances by adopting a membrane purification and concentration mode; the separated solution containing macromolecular substances has high viscosity, is concentrated by a low-temperature low-pressure multi-effect vacuum concentrator, and the concentrated paste is dried by low-temperature microwave; the separated solution containing the micromolecule substances has low viscosity, is concentrated by an MVR evaporator, and the concentrated paste is respectively prepared by low-temperature microwave drying.
The purpose of the utility model is realized through the following technical scheme:
an assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid comprises a filter, a primary membrane treatment device, a low-pressure vacuum concentrator, a dryer A, a secondary membrane treatment device, a tertiary membrane treatment device, an MVR evaporator and a quartic membrane treatment device, wherein the filter is provided with a filtered substance outlet and a filtrate outlet, and the filtrate outlet of the filter is connected with the inlet of the primary membrane treatment device through a pipeline; the primary membrane treatment device is provided with a concentrated solution outlet A and a dialysate outlet A, the concentrated solution outlet A of the primary membrane treatment device is communicated with the inlet of the low-pressure vacuum concentrator through a pipeline, the discharge port of the low-pressure vacuum concentrator is communicated with the inlet of the dryer A, and the dialysate outlet A of the primary membrane treatment device is connected with the inlet of the secondary membrane treatment device through a pipeline; the secondary membrane treatment device is provided with a concentrated solution outlet B and a dialysate outlet B, the concentrated solution outlet B of the secondary membrane treatment device is communicated with the inlet of the low-pressure vacuum concentrator through a pipeline, and the dialysate outlet B of the secondary membrane treatment device is communicated with the inlet of the tertiary membrane treatment device through a pipeline; the third membrane processing device is provided with a concentrated solution outlet C and a dialyzate outlet C, the concentrated solution outlet C of the third membrane processing device is communicated with the inlet of the MVR evaporator through a pipeline, and the dialyzate outlet C of the third membrane processing device is communicated with the inlet of the fourth membrane processing device through a pipeline; the four-time membrane processing device is provided with a concentrated solution outlet D and a clear solution outlet, the concentrated solution outlet D of the four-time membrane processing device is communicated with the inlet of the MVR evaporator through a pipeline, and the clear solution outlet of the four-time membrane processing device is communicated with a liquid storage tank J through a pipeline; the dryer A is connected with a crushing and packaging machine A, and the MVR evaporator is sequentially connected with a dryer B and a crushing and packaging machine B.
In order to better realize the utility model, the filter is a plate and frame filter press, and the aperture of the sieve pore of the filter is 15-45 microns; the aperture of the membrane hole of the primary membrane treatment device is 0.1-15 micrometers, the aperture of the membrane hole of the secondary membrane treatment device is 0.01-0.1 micrometers, the aperture of the membrane hole of the tertiary membrane treatment device is 0.5-0.01 micrometers, and the aperture of the membrane hole of the quaternary membrane treatment device is less than 0.5 nanometer; a conveyor A is connected between the low-pressure vacuum concentrator and the dryer A, and the crushing and packaging machine A is provided with a finished product outlet A; and a conveyor B is connected between the MVR evaporator and the dryer B, and the crushing and packaging machine B is provided with a finished product outlet B.
The further technical scheme is as follows: the utility model also comprises a pulping workshop, wherein the pulping workshop is provided with a material inlet and a clear liquid inlet, and the filtered material outlet of the filter is connected with the material inlet of the pulping workshop through a conveyor; a liquid storage tank A and a plurality of pumps are communicated on a pipeline between a filtrate outlet of the filter and an inlet of the primary membrane treatment device; a liquid storage tank B and a plurality of pumps are communicated on a pipeline between a concentrated solution outlet A of the primary membrane treatment device and an inlet of the low-pressure vacuum concentrator; a liquid storage tank C and a plurality of pumps are communicated on a pipeline between the dialysate outlet A of the primary membrane treatment device and the inlet of the secondary membrane treatment device; a liquid storage tank D and a pump are communicated with a pipeline between a concentrated solution outlet B of the secondary membrane treatment device and an inlet of the low-pressure vacuum concentrator, and a liquid storage tank E and a plurality of pumps are communicated with a pipeline between a dialysate outlet B of the secondary membrane treatment device and an inlet of the tertiary membrane treatment device; a liquid storage tank F and a plurality of pumps are communicated with a pipeline between a concentrated solution outlet C of the tertiary membrane treatment device and an inlet of the MVR evaporator, and a liquid storage tank G and a plurality of pumps are communicated with a pipeline between a dialysate outlet C of the tertiary membrane treatment device and an inlet of the quaternary membrane treatment device; the utility model discloses a four-time membrane processing device, including four membrane processing device, MVR evaporimeter, pipeline between the import of four membrane processing device's concentrate export D and MVR evaporimeter, be equipped with liquid storage pot H and pump on the pipeline between the import of four membrane processing device's concentrate export D and MVR evaporimeter, be equipped with the pump on the pipeline between the clear solution export of four membrane processing device and liquid storage pot J, through pipeline intercommunication between the export of liquid storage pot J and the clear solution import of slurrying workshop, install the pump on the pipeline between the export of liquid storage.
Preferably, a circulating pipe A is communicated between the liquid storage tank A and the primary membrane processing device, and a circulating pipe B is communicated between the liquid storage tank C and the secondary membrane processing device.
Preferably, a circulating pipe C is communicated between the tertiary membrane processing device and the liquid storage tank E, and a circulating pipe D is communicated between the quaternary membrane processing device and the liquid storage tank G.
Preferably, the upper part of the membrane hole of the primary membrane treatment device corresponds to the concentrated solution outlet A, and the lower part of the membrane hole of the primary membrane treatment device corresponds to the dialysate outlet A.
Preferably, the upper part of the membrane hole of the secondary membrane treatment device corresponds to the concentrated solution outlet B, and the lower part of the membrane hole of the secondary membrane treatment device corresponds to the dialysate outlet B.
Preferably, the upper part of the membrane hole of the tertiary membrane treatment device corresponds to the concentrated solution outlet C, and the lower part of the membrane hole of the tertiary membrane treatment device corresponds to the dialysate outlet C.
Preferably, the upper part of the membrane hole of the quartic membrane processing device corresponds to the concentrated solution outlet D, and the lower part of the membrane hole of the quartic membrane processing device corresponds to the clear solution outlet.
Preferably, the filter is provided with a material inlet, the material inlet of the filter is communicated with a material inlet pipe, and a pump is installed on the material inlet pipe.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
(1) the utility model adopts the steps of removing the residue in the solution, and then separating the macromolecular substances from the micromolecular substances by adopting a membrane purification and concentration mode; the separated solution containing macromolecular substances has high viscosity, is concentrated by a low-temperature low-pressure multi-effect vacuum concentrator, and the concentrated paste is dried by low-temperature microwave; the separated solution containing the micromolecule substances has low viscosity, is concentrated by an MVR evaporator, and the concentrated paste is respectively prepared by low-temperature microwave drying.
(2) The utility model discloses preparation system takes and draws (useless) liquid filtration processing earlier decocte, slurrying, gets rid of impurity, passes through membrane purification concentration system filtration processing four times under the normal atmospheric temperature again, can separate the extract product of material such as macromolecule, micromolecule saccharide extract product and micromolecule flavonoid, can reduce the loss that effective component takes place to decompose and bring because of the temperature is high again, has improved product purity and product quality and harvest rate; meanwhile, the method is beneficial to protecting the concentration membrane, ensures the concentration effect, prolongs the service life of the concentration membrane, and has the advantages of high preparation efficiency, high recovery rate, good product quality, high purity and the like.
(3) The utility model discloses a membrane purification concentration has got rid of the water more than 70% of total liquid volume in the waste liquid, and the water clarification of concentration play can direct retrieval and utilization, and the micromolecule class material solution that separates in addition adopts the concentrated processing of MVR evaporimeter, has alleviateed the environmental protection pressure and has practiced thrift the water resource. And the whole concentration process belongs to a pure physical process, does not need to add chemicals, solvents or solvents, does not bring secondary pollutants, and is green and environment-friendly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
examples
As shown in figure 1, the production line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid comprises a filter, a primary membrane treatment device, a low-pressure vacuum concentrator, a dryer A, a secondary membrane treatment device, a tertiary membrane treatment device, an MVR evaporator, a quaternary membrane treatment device and a pulping workshop, wherein the filter is provided with a filtered material outlet and a filtrate outlet, and the filtrate outlet of the filter is connected with the inlet of the primary membrane treatment device through a pipeline. The bamboo pulping liquid that this embodiment drawed draws mixed liquid for the bamboo, and the bamboo is when pulping the operation, and the bamboo is cut into the bamboo chip earlier, and the bamboo chip decocte is handled the back, carries out material, liquid separation and obtains the decocte liquid, and the decocte material after material, liquid separation carries out mechanical treatment, microwave treatment, enzymolysis simultaneously and obtains pulping waste liquid (mechanical treatment, microwave treatment, enzymolysis back obtain the material just be used for pulping papermaking), the utility model discloses a bamboo draws mixed liquid and includes above-mentioned decocte liquid and pulping waste liquid, and this bamboo draws mixed liquid and mainly includes macromolecule, micromolecule carbohydrate material, micromolecule flavonoid substance two kinds of material, the utility model discloses utilize preparation system can successfully separate above-mentioned two kinds of material in order, realized the high-efficient utilization of decocte liquid and pulping waste liquid in the bamboo pulping operation for the decocte liquid and the pulping waste liquid that are the waste liquid in the bamboo pulping obtain effective recycle, provides a set of economic and feasible scheme for the treatment of the pulping waste liquid, can also create economic value, realizes the recycling of the waste liquid and provides required raw material products for other industries. The utility model discloses a filter is a plate and frame filter press, the aperture of the sieve of the filter is 15-45 microns; filtering with filter to obtain residue (also called residue) and filtrate, wherein the residue mainly contains fine particulate matter such as fine fiber, dust, lignin, etc., and the residue is mainly obtained by removing particulate matter in bamboo extraction mixed liquor and conveying to pulping workshop for recycling.
The primary membrane treatment device is provided with a concentrated solution outlet A and a dialysate outlet A, the concentrated solution outlet A of the primary membrane treatment device is communicated with the inlet of the low-pressure vacuum concentrator through a pipeline, the discharge port of the low-pressure vacuum concentrator is communicated with the inlet of the dryer A, and the dialysate outlet A of the primary membrane treatment device is connected with the inlet of the secondary membrane treatment device through a pipeline; the aperture of the membrane pores of the primary membrane treatment device is 0.1-15 microns. The bamboo extraction mixed liquor is filtered by the filter to obtain filtrate, the filtrate is subjected to membrane separation treatment by a primary membrane treatment device to form concentrated liquor A and dialysate A (wherein the dialysate A can pass through the pore diameter of a membrane of the primary membrane treatment device, and the concentrated liquor A is separated by the membrane of the primary membrane treatment device, so that the concentrated liquor A and the dialysate A can be subjected to membrane separation by the primary membrane treatment device, the concentrated liquor A is discharged into a low-pressure vacuum concentrator through a concentrated liquor outlet A, and then a finished product A (the finished product A is a polysaccharide crude product) is obtained after vacuum concentration, drying and crushing treatment, and the dialysate A is discharged into a secondary membrane treatment device through a dialysate outlet A to be subjected to membrane separation treatment.
The secondary membrane treatment device is provided with a concentrated solution outlet B and a dialysate outlet B, the concentrated solution outlet B of the secondary membrane treatment device is communicated with the inlet of the low-pressure vacuum concentrator through a pipeline, and the dialysate outlet B of the secondary membrane treatment device is communicated with the inlet of the tertiary membrane treatment device through a pipeline; the aperture of the membrane pores of the secondary membrane treatment device is 0.01-0.1 micron, the dialysate A is subjected to membrane separation treatment by the secondary membrane treatment device to form a concentrated solution B and a dialysate B (wherein the dialysate B can pass through the aperture of the membrane pores of the secondary membrane treatment device, and the concentrated solution B is blocked by the membrane pores of the secondary membrane treatment device, so that the concentrated solution B and the dialysate B can be subjected to membrane separation by the secondary membrane treatment device), the concentrated solution B is discharged into a low-pressure vacuum concentrator through a concentrated solution outlet B, and then a finished product A (the finished product A is a polysaccharide crude product) is obtained after vacuum concentration, drying and crushing treatment, and the dialysate B is discharged into a tertiary membrane treatment device through a dialysate outlet B to be subjected to membrane separation treatment.
The third membrane processing device is provided with a concentrated solution outlet C and a dialyzate outlet C, the concentrated solution outlet C of the third membrane processing device is communicated with the inlet of the MVR evaporator through a pipeline, and the dialyzate outlet C of the third membrane processing device is communicated with the inlet of the fourth membrane processing device through a pipeline; the aperture of the membrane pore of the tertiary membrane treatment device is 0.5 nanometer to 0.01 micrometer, the dialysate B is subjected to membrane separation by the tertiary membrane treatment device to form a concentrate C and a dialysate C (wherein the dialysate C can pass through the aperture of the membrane pore of the tertiary membrane treatment device, and the concentrate C is blocked by the membrane pore of the tertiary membrane treatment device, so that the concentrate C and the dialysate C can be separated by the membrane of the tertiary membrane treatment device), the concentrate C is subjected to evaporation concentration by the MVR evaporator, and then a finished product B (the finished product B is a flavone crude product particle) is obtained after vacuum concentration, drying and crushing in sequence.
The four-time membrane processing device is provided with a concentrated solution outlet D and a clear solution outlet, the concentrated solution outlet D of the four-time membrane processing device is communicated with the inlet of the MVR evaporator through a pipeline, and the clear solution outlet of the four-time membrane processing device is communicated with a liquid storage tank J through a pipeline; the aperture of the membrane hole of the four-time membrane treatment device is smaller than 0.5 nanometer, the dialysate C is conveyed to the four-time membrane treatment device to be subjected to membrane separation treatment to obtain a concentrated solution D and a clear solution (wherein the clear solution can pass through the aperture of the membrane hole of the four-time membrane treatment device, and the concentrated solution D is blocked by the membrane hole of the four-time membrane treatment device, so that the four-time membrane treatment device can carry out membrane separation on the concentrated solution D and the clear solution), the clear solution is conveyed to a pulping workshop to be recycled, the concentrated solution D is conveyed to an MVR evaporator through a pump to be subjected to evaporation concentration treatment, and then the vacuum concentration, drying and crushing treatment are sequentially carried out to obtain a finished product. The dryer A is connected with a crushing and packaging machine A, and the MVR evaporator is sequentially connected with a dryer B and a crushing and packaging machine B. A conveyor A is connected between the low-pressure vacuum concentrator and the dryer A, and the crushing and packaging machine A is provided with a finished product outlet A; and a conveyor B is connected between the MVR evaporator and the dryer B, and the crushing and packaging machine B is provided with a finished product outlet B. Thus obtaining the finished product B (namely the flavone crude product particles), which can be widely used in the industries of medicine, food, feed and the like and can be used as medicinal materials, additives and the like.
As shown in figure 1, the pulping workshop is provided with a material inlet and a clear liquid inlet, and a filtered supernatant outlet of the filter is connected with the material inlet of the pulping workshop through a conveyor; a liquid storage tank A and a plurality of pumps are communicated on a pipeline between a filtrate outlet of the filter and an inlet of the primary membrane treatment device; a liquid storage tank B and a plurality of pumps are communicated on a pipeline between a concentrated solution outlet A of the primary membrane treatment device and an inlet of the low-pressure vacuum concentrator; a liquid storage tank C and a plurality of pumps are communicated on a pipeline between the dialysate outlet A of the primary membrane treatment device and the inlet of the secondary membrane treatment device; a liquid storage tank D and a pump are communicated with a pipeline between a concentrated solution outlet B of the secondary membrane treatment device and an inlet of the low-pressure vacuum concentrator, and a liquid storage tank E and a plurality of pumps are communicated with a pipeline between a dialysate outlet B of the secondary membrane treatment device and an inlet of the tertiary membrane treatment device; a liquid storage tank F and a plurality of pumps are communicated with a pipeline between a concentrated solution outlet C of the tertiary membrane treatment device and an inlet of the MVR evaporator, and a liquid storage tank G and a plurality of pumps are communicated with a pipeline between a dialysate outlet C of the tertiary membrane treatment device and an inlet of the quaternary membrane treatment device; the utility model discloses a four-time membrane processing device, including four membrane processing device, MVR evaporimeter, pipeline between the import of four membrane processing device's concentrate export D and MVR evaporimeter, be equipped with liquid storage pot H and pump on the pipeline between the import of four membrane processing device's concentrate export D and MVR evaporimeter, be equipped with the pump on the pipeline between the clear solution export of four membrane processing device and liquid storage pot J, through pipeline intercommunication between the export of liquid storage pot J and the clear solution import of slurrying workshop, install the pump on the pipeline between the export of liquid storage.
As shown in fig. 1, a circulation pipe a is communicated between a liquid storage tank a and a primary membrane processing device, the primary membrane processing device performs membrane filtration processing on filtrate filtered by a filter, in the membrane filtration process, feed liquid (namely filtrate) is pressurized by a pump, the filtrate flows along the surface of a filter membrane of the primary membrane processing device at a certain flow rate, substances larger than the molecular weight cut-off of the membrane cannot permeate the membrane and flow back to the liquid storage tank a through the circulation pipe a, and substances or molecules smaller than the molecular weight cut-off of the membrane permeate the membrane to form dialysate a; the liquid flowing back to the liquid storage tank A and the feed liquid are mixed and input into the primary membrane processing device for membrane filtration processing again, and then the circulation is carried out, the primary membrane processing device continuously discharges the dialysate A into the liquid storage tank C through the dialysate outlet A, substances (namely, concentrated solution A) intercepted by the primary membrane processing device are periodically or irregularly discharged into the liquid storage tank B, and then the substances are conveyed into the low-pressure vacuum concentrator through a pump for vacuum concentration processing. The utility model discloses when in-service use, can regularly carry out cleaning to membrane processing apparatus once to improve membrane processing apparatus's membrane filtration treatment effeciency and quality.
As shown in figure 1, a circulating pipe B is communicated between the liquid storage tank C and the secondary membrane treatment device. The secondary membrane treatment device carries out membrane filtration treatment on the dialysate A after membrane filtration of the primary membrane treatment device, in the membrane filtration process, the dialysate A is pressurized by a pump, the dialysate A flows through the surface of a filter membrane of the secondary membrane treatment device at a certain flow rate, substances larger than the molecular weight cut-off of the membrane cannot permeate the membrane and flow back to a liquid storage tank C through a circulating pipe B, and substances or molecules smaller than the molecular weight cut-off of the membrane permeate the membrane to form dialysate B; and mixing the liquid flowing back to the liquid storage tank C with the dialysate A, inputting the mixture into a secondary membrane treatment device for membrane filtration treatment again, and adding purified water into the liquid storage tank C for dialysis to improve the purity of crude products and the yield of subsequent micromolecular substances by circulation. The secondary membrane treatment device continuously discharges the dialysate B into the liquid storage tank E through the dialysate outlet B, substances (namely, concentrated solution B) intercepted by the secondary membrane treatment device are periodically or irregularly discharged into the liquid storage tank D, and then are conveyed to the low-pressure vacuum concentrator for concentration treatment through a pump. The utility model discloses when in actual use, can regularly carry out cleaning to secondary membrane processing apparatus to improve membrane processing apparatus's membrane filtration treatment effeciency and quality.
As shown in fig. 1, a circulation pipe C is communicated between the tertiary membrane treatment device and the liquid storage tank E, the tertiary membrane treatment device performs membrane filtration treatment on the dialysate B after membrane filtration by the secondary membrane treatment device, in the membrane filtration process, the dialysate B is pressurized by a pump, the dialysate B flows along the surface of a filter membrane of the tertiary membrane treatment device at a certain flow rate, substances larger than the molecular weight cut-off of the membrane cannot permeate the membrane and flow back to the liquid storage tank E through the circulation pipe C, and substances or molecules smaller than the molecular weight cut-off of the membrane permeate the membrane to form the dialysate C; and mixing the liquid flowing back to the liquid storage tank E with the dialysate B, inputting the mixture into a tertiary membrane treatment device for membrane filtration treatment again, circulating the mixture, continuously discharging the dialysate C from the tertiary membrane treatment device into the liquid storage tank G through a dialysate outlet C, periodically or irregularly discharging substances (namely, the concentrated solution C) intercepted by the tertiary membrane treatment device into the liquid storage tank F, and conveying the substances to an MVR evaporator for evaporation and concentration treatment through a pump. The utility model discloses when in-service use, can regularly carry out cleaning to cubic membrane processing apparatus to improve cubic membrane processing apparatus's membrane filtration treatment effeciency and quality.
As shown in FIG. 1, a circulation pipe D is communicated between the four-time film processing device and the liquid storage tank G. The fourth membrane treatment device carries out membrane filtration treatment on the dialysate C subjected to membrane filtration by the third membrane treatment device, in the membrane filtration process, the dialysate C is pressurized by a pump, the dialysate C flows along the surface of a filter membrane of the fourth membrane treatment device at a certain flow rate, substances larger than the membrane molecular weight cut-off cannot permeate the membrane and flow back to the liquid storage tank G through a circulating pipe D, substances or molecules smaller than the membrane molecular weight cut-off permeate the membrane to form clear liquid and store the clear liquid in the liquid storage tank J, and the clear liquid in the liquid storage tank J is pumped to a pulping and decocting workshop for recycling, or can be used as supplementary water in other processes; and mixing the liquid flowing back to the liquid storage tank G with the dialysate C, inputting the mixture into the tertiary membrane treatment device for membrane filtration treatment again, circulating the mixture, continuously discharging clear liquid into the liquid storage tank J through a clear liquid outlet by the quaternary membrane treatment device, periodically or irregularly discharging substances (namely concentrated solution D) intercepted by the quaternary membrane treatment device into the liquid storage tank H, and conveying the substances to the MVR evaporator for evaporation and concentration treatment by a pump. The utility model discloses when in actual use, can regularly carry out cleaning to quartic membrane processing apparatus to membrane processing apparatus's membrane filtration treatment effeciency and quality are once improved.
The upper part of a membrane hole of the primary membrane treatment device corresponds to the concentrated solution outlet A, and the lower part of the membrane hole of the primary membrane treatment device corresponds to the dialysate outlet A. The upper part of a membrane hole of the secondary membrane treatment device corresponds to the concentrated solution outlet B, and the lower part of the membrane hole of the secondary membrane treatment device corresponds to the dialysate outlet B. The upper part of a membrane hole of the tertiary membrane treatment device corresponds to the concentrated solution outlet C, and the lower part of the membrane hole of the tertiary membrane treatment device corresponds to the dialysate outlet C. The upper part of a membrane hole of the fourth membrane processing device corresponds to the concentrated solution outlet D, and the lower part of the membrane hole of the fourth membrane processing device corresponds to the clear solution outlet.
The filter of this embodiment has the material import, the material import intercommunication of filter has the material to advance the pipe, advance the pipe through the material to the utility model discloses the input bamboo draws mixed liquid (or bamboo system thick liquid), the material advances to install the pump on the pipe.
The process of extracting polysaccharide and flavone substances from the mixed solution of bamboo extraction will be described in detail by using the preparation system of the embodiment with reference to the following examples:
1. 86 kg of local bamboo is taken and is converted into 50 kg of oven dry bamboo, the local bamboo is cut into 30-120 mm bamboo chips, the bamboo chips are washed and then sent into a decoction tank according to the material-liquid ratio of 1:3 for decoction treatment, after the decoction is finished, the material-liquid separation is carried out, and 100 kg of separated decoction liquid is obtained.
2. And carrying out mechanical treatment and enzymolysis treatment on the separated decoction materials to obtain 100 kg of pulping extract.
3. Pumping 200 kg of the separated decoction liquid and pulping extract to a centrifugal filter for treatment to obtain residues, drying to constant weight of 0.5 kg, and feeding the filtered stock solution into a liquid storage tank A, wherein: the aperture of the sieve pore of the centrifugal filter is 30 microns.
4. Pumping the stock solution in the liquid storage tank A into a primary membrane treatment device for separation, separating out 16 kg of primary concentrated solution to enter the liquid storage tank B, and separating out 183.5 kg of primary dialyzate to enter the liquid storage tank C. Wherein the aperture of the membrane pore of the primary membrane treatment device is 0.8 micron.
5. Pumping the primary dialysate in the liquid storage tank C to a secondary membrane treatment device for separation, wherein 10 kg of separated secondary concentrated solution enters the liquid storage tank D, 173.5 kg of separated secondary dialysate enters the liquid storage tank E, and the aperture of a membrane hole of the secondary membrane treatment device is 0.05 micron.
6. Respectively pumping the primary concentrated solution in the liquid storage tank B and the secondary concentrated solution in the liquid storage tank D into a low-pressure vacuum concentrator (or a low-temperature double-effect vacuum concentrator) for concentration treatment, then conveying the concentrated solutions into a microwave dryer for treatment, and crushing the dried concentrated solutions to obtain bamboo extract-macromolecular and micromolecular saccharide extracts (certainly, primary and secondary separate concentration and drying treatment can be adopted), wherein the crude solid powder substance of the saccharide extract is 2589 g, and the purity of the crude polysaccharide is determined by an ultraviolet spectrophotometry method as follows: 58.2 percent.
7. Pumping the secondary dialysate in the liquid storage tank E to a tertiary membrane treatment device for separation, separating out 20 kg of tertiary concentrated solution to enter a liquid storage tank F, and separating out 153.5 kg of tertiary dialysate to enter a liquid storage tank G, wherein the aperture of a membrane hole of the tertiary membrane treatment device is 2 nanometers.
8. Pumping the tertiary dialysate in the liquid storage tank G to a quartic membrane treatment device for separation, feeding 12.5 kg of the quartic concentrated liquid after separation into a liquid storage tank H, feeding 141 kg of the separated clear liquid into a liquid storage tank J, pumping the clear liquid in the liquid storage tank J to a pulping and decocting workshop for recycling, and also feeding the clear liquid into other processes to be used as supplementary water, wherein the aperture of a membrane hole of the quartic membrane treatment device is 0.5 nm.
9. Pumping the three-time concentrated solution in the liquid storage tank F and the four-time concentrated solution in the liquid storage tank H to an MVR evaporator respectively for concentration treatment, conveying the concentrated solutions to a microwave dryer for treatment, drying and then crushing to obtain a finished product B (flavone solid powder), wherein the flavone solid powder is 2715 g, and the flavone purity measured by an ultraviolet spectrophotometry is as follows: 75.5 percent.
Example two
The preparation system of this embodiment is the same as the first embodiment, and the following examples are combined to describe the process of extracting polysaccharide and flavone substances from the bamboo extraction mixture in detail:
1. taking 88 kg of local bamboo, converting the local bamboo into 50 kg of absolute dry bamboo, cutting the local bamboo into bamboo chips with the thickness of 30-120 mm, washing, sending the bamboo chips into a decoction tank according to the material-liquid ratio of 1:3, carrying out decoction treatment, separating materials from liquid after the decoction is finished, and separating 100 kg of separated decoction liquid.
2. And carrying out mechanical treatment and enzymolysis treatment on the separated decoction materials to obtain 100 kg of pulping extract.
3. Pumping 200 kg of the separated decoction liquid and pulping extract to a centrifugal filter for treatment to obtain residues, drying to constant weight of 0.4 kg, and feeding the filtered stock solution into a liquid storage tank A, wherein: the aperture of the sieve pore of the centrifugal filter is 40 microns.
4. Pumping the stock solution in the liquid storage tank A into a primary membrane treatment device by a pump for separation, separating out 19 kg of primary concentrated solution to enter a liquid storage tank B, and separating out 180.5 kg of primary dialyzate to enter a liquid storage tank C. Wherein the aperture of the membrane pore of the primary membrane treatment device is 0.4 micron.
5. Pumping the primary dialysate in the liquid storage tank C to a secondary membrane treatment device by a pump for separation, introducing 14 kg of separated secondary concentrated solution into the liquid storage tank D, and introducing 166 kg of separated secondary dialysate into the liquid storage tank E, wherein the aperture of a membrane hole of the secondary membrane treatment device is 0.06 micron.
6. And pumping the primary concentrated solution in the liquid storage tank B and the secondary concentrated solution in the liquid storage tank D into a low-pressure vacuum concentrator (or a low-temperature double-effect vacuum concentrator) respectively for concentration treatment, then conveying the concentrated solution into a microwave dryer for treatment, drying and then crushing to obtain bamboo extract, namely macromolecular and micromolecular saccharide extract (certainly, primary and secondary separate concentration and drying treatment can also be adopted), wherein the crude solid powder of the saccharide extract is 2731 g.
7. Pumping the secondary dialysate in the liquid storage tank E to a tertiary membrane treatment device for separation, separating out 16 kg of tertiary concentrated solution to enter a liquid storage tank F, and separating out 150 kg of tertiary dialysate to enter a liquid storage tank G, wherein the aperture of a membrane hole of the tertiary membrane treatment device is 6 nanometers.
8. Pumping the third dialysate in the liquid storage tank G to a fourth membrane treatment device for separation, feeding 9 kg of the separated fourth concentrated liquid into a liquid storage tank H, feeding 141 kg of separated clear liquid into a liquid storage tank J, pumping the clear liquid in the liquid storage tank J to a pulping and decocting workshop for recycling, and feeding the clear liquid into other processes to be used as supplementary water, wherein the aperture of a membrane hole of the fourth membrane treatment device is 0.5 nm.
9. Pumping the three-time concentrated solution in the liquid storage tank F and the four-time concentrated solution in the liquid storage tank H to an MVR evaporator for concentration treatment respectively, conveying the concentrated solutions to a microwave dryer for treatment, drying and then crushing to obtain a finished product B (flavone solid powder), wherein the flavone solid powder is 2814 g, and the flavone purity measured by an ultraviolet spectrophotometry is as follows: 82.3 percent.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid is characterized in that: the device comprises a filter, a primary membrane treatment device, a low-pressure vacuum concentrator, a dryer A, a secondary membrane treatment device, a tertiary membrane treatment device, an MVR evaporator and a quaternary membrane treatment device, wherein the filter is provided with a filtered substance outlet and a filtrate outlet, and the filtrate outlet of the filter is connected with the inlet of the primary membrane treatment device through a pipeline; the primary membrane treatment device is provided with a concentrated solution outlet A and a dialysate outlet A, the concentrated solution outlet A of the primary membrane treatment device is communicated with the inlet of the low-pressure vacuum concentrator through a pipeline, the discharge port of the low-pressure vacuum concentrator is communicated with the inlet of the dryer A, and the dialysate outlet A of the primary membrane treatment device is connected with the inlet of the secondary membrane treatment device through a pipeline; the secondary membrane treatment device is provided with a concentrated solution outlet B and a dialysate outlet B, the concentrated solution outlet B of the secondary membrane treatment device is communicated with the inlet of the low-pressure vacuum concentrator through a pipeline, and the dialysate outlet B of the secondary membrane treatment device is communicated with the inlet of the tertiary membrane treatment device through a pipeline; the third membrane processing device is provided with a concentrated solution outlet C and a dialyzate outlet C, the concentrated solution outlet C of the third membrane processing device is communicated with the inlet of the MVR evaporator through a pipeline, and the dialyzate outlet C of the third membrane processing device is communicated with the inlet of the fourth membrane processing device through a pipeline; the four-time membrane processing device is provided with a concentrated solution outlet D and a clear solution outlet, the concentrated solution outlet D of the four-time membrane processing device is communicated with the inlet of the MVR evaporator through a pipeline, and the clear solution outlet of the four-time membrane processing device is communicated with a liquid storage tank J through a pipeline; the dryer A is connected with a crushing and packaging machine A, and the MVR evaporator is sequentially connected with a dryer B and a crushing and packaging machine B.
2. The assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid according to claim 1, characterized in that: the filter is a plate-and-frame filter press, and the aperture of a sieve pore of the filter is 15-45 microns; the aperture of the membrane hole of the primary membrane treatment device is 0.1-15 micrometers, the aperture of the membrane hole of the secondary membrane treatment device is 0.01-0.1 micrometers, the aperture of the membrane hole of the tertiary membrane treatment device is 0.5-0.01 micrometers, and the aperture of the membrane hole of the quaternary membrane treatment device is less than 0.5 nanometer; a conveyor A is connected between the low-pressure vacuum concentrator and the dryer A, and the crushing and packaging machine A is provided with a finished product outlet A; and a conveyor B is connected between the MVR evaporator and the dryer B, and the crushing and packaging machine B is provided with a finished product outlet B.
3. The assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid according to claim 2, characterized in that: the pulping workshop is provided with a material inlet and a clear liquid inlet, and a filtered supernatant outlet of the filter is connected with the material inlet of the pulping workshop through a conveyor; a liquid storage tank A and a plurality of pumps are communicated on a pipeline between a filtrate outlet of the filter and an inlet of the primary membrane treatment device; a liquid storage tank B and a plurality of pumps are communicated on a pipeline between a concentrated solution outlet A of the primary membrane treatment device and an inlet of the low-pressure vacuum concentrator; a liquid storage tank C and a plurality of pumps are communicated on a pipeline between the dialysate outlet A of the primary membrane treatment device and the inlet of the secondary membrane treatment device; a liquid storage tank D and a pump are communicated with a pipeline between a concentrated solution outlet B of the secondary membrane treatment device and an inlet of the low-pressure vacuum concentrator, and a liquid storage tank E and a plurality of pumps are communicated with a pipeline between a dialysate outlet B of the secondary membrane treatment device and an inlet of the tertiary membrane treatment device; a liquid storage tank F and a plurality of pumps are communicated with a pipeline between a concentrated solution outlet C of the tertiary membrane treatment device and an inlet of the MVR evaporator, and a liquid storage tank G and a plurality of pumps are communicated with a pipeline between a dialysate outlet C of the tertiary membrane treatment device and an inlet of the quaternary membrane treatment device; the utility model discloses a four-time membrane processing device, including four membrane processing device, MVR evaporimeter, pipeline between the import of four membrane processing device's concentrate export D and MVR evaporimeter, be equipped with liquid storage pot H and pump on the pipeline between the import of four membrane processing device's concentrate export D and MVR evaporimeter, be equipped with the pump on the pipeline between the clear solution export of four membrane processing device and liquid storage pot J, through pipeline intercommunication between the export of liquid storage pot J and the clear solution import of slurrying workshop, install the pump on the pipeline between the export of liquid storage.
4. The assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid according to claim 3, characterized in that: the liquid storage tank A is communicated with the primary membrane treatment device through a circulation pipe A, and the liquid storage tank C is communicated with the secondary membrane treatment device through a circulation pipe B.
5. The assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid according to claim 4, characterized in that: and a circulating pipe C is communicated between the tertiary membrane treatment device and the liquid storage tank E, and a circulating pipe D is communicated between the quaternary membrane treatment device and the liquid storage tank G.
6. The assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid according to claim 1, characterized in that: the upper part of a membrane hole of the primary membrane treatment device corresponds to the concentrated solution outlet A, and the lower part of the membrane hole of the primary membrane treatment device corresponds to the dialysate outlet A.
7. The assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid according to claim 1, characterized in that: the upper part of a membrane hole of the secondary membrane treatment device corresponds to the concentrated solution outlet B, and the lower part of the membrane hole of the secondary membrane treatment device corresponds to the dialysate outlet B.
8. The assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid according to claim 1, characterized in that: the upper part of a membrane hole of the tertiary membrane treatment device corresponds to the concentrated solution outlet C, and the lower part of the membrane hole of the tertiary membrane treatment device corresponds to the dialysate outlet C.
9. The assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid according to claim 1, characterized in that: the upper part of a membrane hole of the fourth membrane processing device corresponds to the concentrated solution outlet D, and the lower part of the membrane hole of the fourth membrane processing device corresponds to the clear solution outlet.
10. The assembly line preparation system for extracting polysaccharide and flavone from bamboo pulping liquid according to claim 1, characterized in that: the filter is provided with a material inlet, the material inlet of the filter is communicated with a material inlet pipe, and a pump is installed on the material inlet pipe.
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| CN113637090A (en) * | 2021-08-10 | 2021-11-12 | 张明勋 | Paper mulberry branch and bark material separation, decoction and extraction system and method |
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Effective date of registration: 20231108 Address after: Room 301, Shuangchuang Valley, Economic Development Zone, No. 5 Wangchong Street, Yongchang Town, Beichuan Qiang Autonomous County, Mianyang City, Sichuan Province, 621000 Patentee after: Sichuan Qiangyuan Jiasheng Technology Co.,Ltd. Address before: 621000 No. 20, Ziliang street, Huangtu Town, an County, Mianyang City, Sichuan Province Patentee before: Zhang Mingxun |