CN104084047A - Glycyrrhiza extracting solution clarification and concentration membrane system - Google Patents
Glycyrrhiza extracting solution clarification and concentration membrane system Download PDFInfo
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- CN104084047A CN104084047A CN201410342063.5A CN201410342063A CN104084047A CN 104084047 A CN104084047 A CN 104084047A CN 201410342063 A CN201410342063 A CN 201410342063A CN 104084047 A CN104084047 A CN 104084047A
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Abstract
The invention discloses a glycyrrhiza extracting solution clarification and concentration membrane system. The glycyrrhiza extracting solution clarification and concentrated membrane system comprises a ceramic membrane clarification system and an RO (reverse osmosis) membrane concentrating system which are connected by a conveying pipeline; a glycyrrhiza crude extracting solution is pumped into the ceramic membrane clarification system for membrane system internal circulation to obtain a glycyrrhiza clarification solution; the obtained glycyrrhiza clarification solution is pumped into the RO membrane concentrating system by the conveying pipeline for concentration processing of the membrane system internal circulation to obtain dialysate; the dialysate enters a dialysate storage tank, and returns to the previous glycyrrhiza extracting working procedure for recycling; a concentration solution enters a concentration solution tank for subsequent processing treatment. The glycyrrhiza extracting solution clarification and concentration membrane system provided by the invention removes residual impurities in the glycyrrhiza extracting solution by utilizing the ceramic membrane clarification system so as to enrich effective ingredients; the RO membrane concentration system further purify and concentrate the clarification solution to obtain the high-quality glycyrrhiza concentration solution; the system operates at the normal temperature, has little loss of effective ingredients, and has no chemical change, and a product is not polluted because of the physical separation process.
Description
Technical field
The present invention relates to Radix Glycyrrhizae and extract concentrator, relate in particular to the concentrated film system of a kind of licorice extract clarification.
Background technology
It is in Chinese medicine preparation, to use processing step the most widely that water extracts Chinese medicine, and taking water as solvent, cheap and easy to get, easy to operate, cost of manufacture is low.But, the general volume of Chinese medicine aqueous extract is larger, in solution, have the macromolecular substances such as a large amount of tannins, protein, mucilaginous substance, polysaccharide, pectin and many particulates, submicron and floccule etc., their major part does not constantly have pharmacological action, and affects the quality of product.How extract being carried out scientific and reasonable purifying, refine, discarded the dross and selected the essential, both retained active ingredient and curative effect in Chinese medicine, remove again invalid impurity, make Chinese medicine reach the requirement of modern preparation, is the research important directions of Chinese medicine preparation.
At present there are alcohol deposition method, fining agent method etc. for the refining conventional method of licorice extract.Alcohol precipitation ratio juris is that Effective Component of Chinese Medicine is not only water-soluble but also be dissolved in alcohol, and in aqueous extract, often contain mucilaginous substance, gelatinized starch, pectin, protein etc., can effectively precipitate and remove with the ethanol of debita spissitudo.When alcohol amount reaches 60% as contained in liquid, can remove desizing, while reaching 75% containing alcohol amount, except the minority such as tannin, water colo(u)r invalid element, most of impurity is precipitable removing all.But alcohol deposition method makes Chinese medicine total solid, and particularly effective ingredient loss is serious, is difficult to ensure the validity of preparation, finished product stability is poor, easily produces precipitation and wall sticking phenomenon; Alcohol deposition method needs a large amount of alcohol simultaneously, reclaims loss more than 30%, and production cost is high, and the cycle is long.Fining agent method is to add fining agent in aqueous extract, makes liquid gather particulate and merges mutually and form compared with large particulate and precipitating is removed.But fining agent can produce and pollute medicament, and restricted application is fixed, when the water-soluble hour needs of effective ingredient in liquid are cautious use of.Obtain the concentrate that drug effect is higher removing to need to concentrate after the unnecessary impurity of licorice extract; conventionally can adopt low-temperature evaporation method to concentrate; thereby low-temperature evaporation method is the air pressure that utilizes vavuum pump to reduce in separation chamber reduces evaporating temperature; solvent in extract just can be evaporated in lower stablizing, thereby reach concentrated object.Generally speaking, heat damage is easily lost or be subject to traditional refining mode production cycle length, liquid vulnerable to pollution, active ingredient, finally causes drug effect to reduce.
Summary of the invention
The technical assignment of technical problem to be solved by this invention and proposition is that prior art is improved, provide a kind of licorice extract clarification concentrated film system, solve refining mode production cycle length of licorice extract traditional in current technology, liquid vulnerable to pollution, active ingredient and easily lose or be subject to heat damage, cause the problem of drug effect reduction.
For solving above technical problem, technical scheme of the present invention is:
The concentrated film system of a kind of licorice extract clarification, comprise ceramic membrane clarification system and RO film concentration systems, it is characterized in that, ceramic membrane clarification system is connected by transfer pipeline with RO film concentration systems, Radix Glycyrrhizae crude extract in Radix Glycyrrhizae crude extract tank is pumped into ceramic membrane clarification system and carries out circulation in film system, insoluble impurities enters slag charge tank, the Radix Glycyrrhizae clarified solution obtaining is pumped into RO film concentration systems by transfer pipeline and carries out the concentrated processing circulating in film system, remove the most of moisture in clarified solution, dislysate enters into dislysate storage tank and returns to leading portion Radix Glycyrrhizae abstraction process and recycles, be lowered into product cost, concentrate enters concentrated flow container and treats following process processing.By Radix Glycyrrhizae crude extract, first through ceramic membrane clarification system, filtering obtains Radix Glycyrrhizae clarified solution in the present invention, and recycling RO film concentration systems is removed unnecessary moisture in Radix Glycyrrhizae clarified solution, thereby realizes the concentrated of licorice extract.The ceramic membrane tube wall micropore that gathers, under pressure, material liquid is in film pipe or film flows outside, and small-molecule substance (or liquid) sees through film, macromolecular substances (or solid) tunicle is held back, thereby reaches the objects such as separation, concentrated, purifying and environmental protection.And the aperture of RO film is minimum, only have hydrone and part mineral ion to pass through, once after water pressurization, will be by high concentration flow to low concentration, that is so-called reverse osmosis principle, thereby the most of water of elimination, the active ingredient of remaining licorice extract.The concentrated film system of whole licorice extract clarification is carried out at normal temperatures, and active ingredient can Yin Gaowen and destroyed, ensures the good drug effect of licorice extract.Whole process is without chemical change, and typical physical separating process, need not add chemical reagent in clarification concentration process, and licorice extract can not be polluted.
Further, the pore size of inorganic ceramic membrane that described ceramic membrane clarification system is selected is 50～200nm, and when filtration, extract temperature is 20～50 DEG C, and control pressure reduction is 0.05～0.15MPa, crossflow velocity 3～5m/s.Adopt inorganic ceramic membrane filtration can realize the enrichment of active ingredient, and remove unnecessary impurity, by licorice extract clarification, improve the quality of licorice extract.
Further, the RO membrane aperture that described RO film concentration systems is selected is 0.1～0.5nm, and when filtration, extract temperature is 20～40 DEG C, is 0.95～1.05MPa to hydraulic pressure.Utilize RO membrane filtration to fall unnecessary moisture, thereby obtain the Radix Glycyrrhizae concentrate of high concentration, improve drug effect.
Further, the film core of the film core of described ceramic membrane clarification system and RO film concentration systems all installs in the shell of making at 304 stainless steels, and the material liquid entrance of ceramic membrane clarification system and RO film concentration systems all adopts Hastelloy to make.304 stainless steels have acid and alkali-resistance, machinery is slight large, surfacing, bright and clean, easy cleaning, feed liquid is the feature such as emptying easily, thus 304 stainless steels and Hastelloy are difficult for that oxidation and rusting is guaranteed to clarify again and concentrated process in licorice extract can not be polluted.
Further, between described ceramic membrane clarification system and Radix Glycyrrhizae crude extract tank, returning apparatus has cartridge filter, and cartridge filter adopts stainless steel filter basket formula to design, and adopts clamping hoop type to connect, and dismantles and check that replacing filter bag is very convenient.Cartridge filter is for the safety filtering of feed liquid before entering ceramic membrane element; the object arranging is to hold back the rigid particle or the trace suspension thing that enter circulating line batch can due to improper operation above; avoid rigid particle or trace suspension thing to cause the obstruction of ceramic membrane clarification system; thereby reduce membrane module performance; make happiness operating pressure liter, the serious high normal operation that affects system.
Further, on described ceramic membrane clarification system and RO film concentration systems, returning apparatus is useful on the CIP purging system cleaning after system membranes element pollutes, CIP purging system comprises ceramic membrane purge tank and RO film purge tank, both are connected with ceramic membrane clarification system and RO film concentration systems respectively, ceramic membrane purge tank and RO film purge tank built-in heat exchanger, adopt Steam Heating, cleaning temperature remains on 35～38 DEG C.The membrane module of ceramic membrane clarification system and RO film concentration systems is after long-term operation, can be subject to the pollution that some is difficult to rinse out, as long-term organic matter accumulation causes the decline of membrane module performance, operating pressure raises, therefore must use chemical agent to clean, to recover normal filter capacity.CIP purging system mainly judges the pollution condition of film according to the index comprehensive such as water-yielding capacity, operting differential pressure, determine that pollution cause takes different medicaments to clean.
Further, the pump using in this system transfer pipeline is Mechanical Sealed Type, and all adopts VFC.According to the common regulating system operating pressure of the aperture of the operating frequency of common adjusting pump motor and pressure-regulating valve, to ensure the rate of filtration of film system.Pump only adopts mechanical seal, without oil sealing, can not pollute because sealing wear causes material.
Further, the pipeline of this system all adopts 304 stainless steels to make, and guarantees that the process of carrying at whole licorice extract can be not contaminated because pipeline gets rusty.
Further, this system returning apparatus has Spot Data Acquisition System and PLC control system, Spot Data Acquisition System comprises the online press detection sensor of device on pipeline and flow monitoring sensor, the device temperature monitoring sensor at ceramic membrane clarification system and RO film concentration systems, and the level monitoring sensor of device on each flow container, Spot Data Acquisition System passes to the concentrated film system stable operation of the whole licorice extract clarification of PLC control system control after obtaining system service data.
Compared with prior art, the invention has the advantages that:
The concentrated film system of licorice extract clarification of the present invention is utilized ceramic membrane clarification system and the acting in conjunction of RO film concentration systems, in ceramic membrane clarification system removal licorice extract, residual impurity is realized the enrichment of active ingredient, RO film concentration systems is further purified clarified solution and is concentrated the Radix Glycyrrhizae concentrate that obtains high-quality, carry out at normal temperatures, loss of effective components is few, is specially adapted to heat-sensitive substance; Without phase-state change, operation energy consumption is low; Without chemical change, typical physical separating process, inapplicable chemical reagent, product is not contaminated; Selectively good, can in molecular level, carry out separating substances; System floor space is little, the plan of expanding production of favourable enterprise; Strong adaptability, complementary conditions are simpler, easy for installation;
The concentrated film system of licorice extract clarification of the present invention is easy to realize, low cost of manufacture, and applicability is strong, simple to operate, and economic benefit is high.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
To the technical scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention discloses the concentrated film system of a kind of licorice extract clarification, carry out at normal temperatures, loss of effective components is few, and without phase-state change, operation energy consumption is low, without chemical change, typical physical separating process, inapplicable chemical reagent, product is not contaminated, selectively good, in molecular level, carry out separating substances.
The concentrated film system of a kind of licorice extract clarification, comprise ceramic membrane clarification system 1 and RO film concentration systems 2, ceramic membrane clarification system 1 is connected by transfer pipeline with RO film concentration systems 2, the pipeline of this system all adopts 304 stainless steels to make, Radix Glycyrrhizae crude extract in Radix Glycyrrhizae crude extract tank 3 is pumped into ceramic membrane clarification system 1 and carries out circulation in film system, and between ceramic membrane clarification system 1 and Radix Glycyrrhizae crude extract tank 3, returning apparatus has cartridge filter 7, insoluble impurities enters slag charge tank 4, the Radix Glycyrrhizae clarified solution obtaining is pumped into RO film concentration systems 2 by transfer pipeline and carries out the concentrated processing circulating in film system, dislysate enters into dislysate storage tank 5 and returns to leading portion Radix Glycyrrhizae abstraction process and recycles, concentrate enters concentrated flow container 6 and treats following process processing.
The pore size of inorganic ceramic membrane that ceramic membrane clarification system 1 is selected is 50～200nm, and when filtration, extract temperature is 20～50 DEG C, and control pressure reduction is 0.05～0.15MPa, crossflow velocity 3～5m/s.
The RO membrane aperture that RO film concentration systems 2 is selected is 0.1～0.5nm, and when filtration, extract temperature is 20～40 DEG C, is 0.95～1.05MPa to hydraulic pressure.
The film core of the film core of ceramic membrane clarification system 1 and RO film concentration systems 2 all installs in the shell of making at 304 stainless steels, and the material liquid entrance of ceramic membrane clarification system 1 and RO film concentration systems 2 all adopts Hastelloy to make, guarantee that licorice extract can not be polluted in clarification and concentrated process.
Cartridge filter 7 is for holding back the rigid particle or the trace suspension thing that enter circulating line batch can due to improper operation above, and cartridge filter 7 adopts the design of stainless steel filter basket formula, adopts clamping hoop type to connect.
On ceramic membrane clarification system 1 and RO film concentration systems 2, returning apparatus has CIP purging system, CIP purging system comprises ceramic membrane purge tank 8 and RO film purge tank 9, both are connected with ceramic membrane clarification system 1 and RO film concentration systems 2 respectively, ceramic membrane purge tank 8 and RO film purge tank 9 built-in heat exchangers, adopt Steam Heating, cleaning temperature remains on 35～38 DEG C.
It is 2m that a volume is set in ceramic membrane clarification system 1
3ceramic membrane purge tank 8; It is 1m that a volume is set in RO film concentration systems 2
3rO film purge tank 9.
In the time that the long-term operation usefulness of ceramic membrane clarification system 1 and RO film concentration systems 2 declines, judge the pollution condition of film according to the index comprehensive such as water-yielding capacity, operting differential pressure, determine that pollution cause takes different medicaments to clean.
In the concentrated film system of licorice extract clarification, device has multiple dehvery pumps, high-pressure pump etc. for delivery of licorice extract.Dehvery pump is for extracting feed liquid and be pumped in the public pipe-line system of film system from head tank, for the filtration of film provides power; High-pressure pump ensures sufficient film system running pressure.Pump all adopts VFC, according to the common regulating system operating pressure of the aperture of the operating frequency of common adjusting pump motor and pressure-regulating valve, to ensure the rate of filtration of film system.
The concentrated film system returning apparatus of licorice extract clarification has Spot Data Acquisition System and PLC control system.Spot Data Acquisition System is included in linear pressure detecting sensor 10, temperature monitoring sensor 11, flow monitoring sensor 12, and level monitoring sensor 13.
A, online pressure monitoring sensor
Be installed on respectively common feed pipeline and enter on film pipeline at line pressure sensor 10, detect with the operating pressure to system, and data are sent to PLC and process, showing screen display simultaneously, in the time that pressure limit exceedes normal value, PLC control system can regulate the running speed of pump automatically, to keep constant pressure.
B, temperature monitoring sensor
System disposition has on-line temperature monitoring sensor 11, temperature to feed liquid in ceramic membrane clarification system 1 and RO film concentration systems 2 is monitored, and data are sent to PLC and process, showing screen display simultaneously, in the time that temperature range exceedes normal value, PLC control system can regulate heat exchanger automatically, to keep feed temperature stable.
C, flow monitoring sensor
Control system relies on and is arranged on flow sensor 12 on pipeline, concentrated solution discharge to film system and dialysis flow are monitored, and data are sent to PLC and process, showing screen display simultaneously, and online computing system can product water ratio, the aperture of the automatic regulating valve on automatic running speed or the adjusting water outlet pipeline that regulates pump of PLC control system meeting, with keeping system even running.
D, level monitoring sensor
System is all equipped with liquid level sensor 13 on each water pot and CIP purge tank, to ensure that system run duration is unlikely to water and overflows anhydrous operation in basin or tank.And by liquid level parameter value is set, system can be moved by automatic operation.
PLC control system adopts industrial controlling software, and system run all right is reliable.PLC control system adopts the foremost SIEMENS S7 of industry type PLC control module, comprises cpu central processing unit and input and output enlargement module.
PLC is for receiving, calculate, gather and transmitting control signal, and the data-signal of all collection in worksite is all sent to PLC controller, and after processing by PLC, is sent to industrial control computer and the online service data that shows on display screen.Same all control setting parameters and field control instruction are sent to PLC control module after also inputting by computer interface, and are sent to each control point after PLC control module is processed, and comprise pump motor, each control valve.
The workflow of the concentrated film system of licorice extract clarification of the present invention is: through leading portion operation Radix Glycyrrhizae crude extract after treatment, pump into ceramic membrane clarification system, by circulating in film system, remove the not tolerant impurity of graininess such as Glycyrrhiza uralensisFisch residue in licorice extract, obtain the licorice extract of clear; Again the licorice extract after clarification is pumped into RO film concentration systems, by circulating in film system, remove the most of moisture (removing 80% above moisture) in extract, thereby realize the concentrated of licorice extract, concentrate enters subsequent treatment process, dislysate enters storage tank, can turn back in leading portion Radix Glycyrrhizae abstraction process and recycle, and saves production cost.
Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred embodiment should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the concentrated film system of licorice extract clarification, comprise ceramic membrane clarification system (1) and RO film concentration systems (2), it is characterized in that, ceramic membrane clarification system (1) is connected by transfer pipeline with RO film concentration systems (2), Radix Glycyrrhizae crude extract in Radix Glycyrrhizae crude extract tank (3) is pumped into ceramic membrane clarification system (1) and carries out circulation in film system, insoluble impurities enters slag charge tank (4), the Radix Glycyrrhizae clarified solution obtaining is pumped into RO film concentration systems (2) by transfer pipeline and carries out the concentrated processing circulating in film system, dislysate enters into dislysate storage tank (5) and returns to leading portion Radix Glycyrrhizae abstraction process and recycles, concentrate enters concentrated flow container (6) and treats following process processing.
2. the concentrated film system of licorice extract clarification according to claim 1, it is characterized in that, the pore size of inorganic ceramic membrane that described ceramic membrane clarification system (1) is selected is 50～200nm, when filtration, extract temperature is 20～50 DEG C, control pressure reduction is 0.05～0.15MPa, crossflow velocity 3～5m/s.
3. the concentrated film system of licorice extract clarification according to claim 1, it is characterized in that, the RO membrane aperture that described RO film concentration systems (2) is selected is 0.1～0.5nm, and when filtration, extract temperature is 20～40 DEG C, is 0.95～1.05MPa to hydraulic pressure.
4. according to the concentrated film system of licorice extract clarification described in claim 2 or 3, it is characterized in that, the film core of described ceramic membrane clarification system (1) and the film core of RO film concentration systems (2) all install in the shell of making at 304 stainless steels, and the material liquid entrance of ceramic membrane clarification system (1) and RO film concentration systems (2) all adopts Hastelloy to make.
5. the concentrated film system of licorice extract clarification according to claim 1; it is characterized in that; between described ceramic membrane clarification system (1) and Radix Glycyrrhizae crude extract tank (3), returning apparatus is useful on the cartridge filter (7) of holding back rigid particle or suspension; cartridge filter (7) adopts the design of stainless steel filter basket formula, adopts clamping hoop type to connect.
6. the concentrated film system of licorice extract clarification according to claim 1, it is characterized in that, the upper returning apparatus of described ceramic membrane clarification system (1) and RO film concentration systems (2) has CIP purging system, CIP purging system comprises ceramic membrane purge tank (8) and RO film purge tank (9), both are connected with ceramic membrane clarification system (1) and RO film concentration systems (2) respectively, ceramic membrane purge tank (8) and RO film purge tank (9) built-in heat exchanger, adopt Steam Heating, cleaning temperature remains on 35～38 DEG C.
7. the concentrated film system of licorice extract according to claim 1 clarification, is characterized in that, the pump using in this system transfer pipeline is Mechanical Sealed Type, and all adopts VFC.
8. the concentrated film system of licorice extract clarification according to claim 1, is characterized in that, the pipeline of this system all adopts 304 stainless steels to make.
9. the concentrated film system of licorice extract clarification according to claim 1, it is characterized in that, this system returning apparatus has Spot Data Acquisition System and PLC control system, Spot Data Acquisition System comprises online press detection sensor (10) and the flow monitoring sensor (12) of device on pipeline, device is at the temperature monitoring sensor (11) of ceramic membrane clarification system (1) and RO film concentration systems (2), and the level monitoring sensor (13) of device on each flow container, Spot Data Acquisition System passes to the concentrated film system stable operation of the whole licorice extract clarification of PLC control system control after obtaining system service data.
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| CN106000103A (en) * | 2016-07-22 | 2016-10-12 | 吉林惠利现代轻工装备有限公司 | Fluid feed liquid concentration device |
| CN106518653A (en) * | 2016-09-24 | 2017-03-22 | 合肥信达膜科技有限公司 | Membrane extraction process for hydroxycitric acid |
| CN111617117A (en) * | 2019-12-31 | 2020-09-04 | 江苏久吾高科技股份有限公司 | Method and device for extracting effective components of radix isatidis |
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