CN206418066U - A kind of celestial grass Polyose extraction system - Google Patents

Abstract

The utility model discloses a kind of celestial grass Polyose extraction system, it is characterised in that：Including structures such as reducing mechanism, ultrasonic wave adverse current extraction element, horizontal centrifugal device, one-level disc-stack centrifuge device, flocculation deposition apparatus, two grades of disc-stack centrifuge devices, cartridge filter, connection resin decoloration device, one-level film thickening apparatus, secondary membrane thickening apparatus, spray-drying installation or alcohol sink devices.Using above-mentioned technical proposal, celestial grass Polyose extraction system described in the utility model, applied to celestial grass polysaccharide is extracted from celestial grass, with following beneficial effects：Extraction time is short；30% solid content can be reached at normal temperatures simultaneously, the local flavor of product is kept, have the advantages that product purity is high.

Description

A kind of celestial grass Polyose extraction system

Technical field

The utility model is related to celestial grass Polyose extraction field, more particularly to a kind of celestial grass Polyose extraction system.

Background technology

Chinese mesona herb, also known as：Mesona chinensis Benth, celestial being are frozen, celestial grass, are labiate, the lower portion of the stem is thrown oneself on the ground.Celestial grass polysaccharide is celestial grass In contain a kind of polysaccharide with gelation.Celestial grass polysaccharide is by mannose, rhamnose, ribose, glucuronic acid, galacturonic Acid, glucose, 8 kinds of monose compositions of galactolipin and xylose.Celestial grass polysaccharide gives people for a long time as a kind of multicomponent product Perceived color is black, and containing more albumen, tanning, pigment, and purity is not high, and composition is failed to understand, based on domestic.In order to beat International market is opened, the clear and definite celestial grass polyose of component need to be produced；And it is used as the additive that congeals of other food, it is to avoid bring into Pigment, salinity.

The techniques such as the extraction to celestial grass polysaccharide at present mainly has water to boil, alcohol precipitation, such as Chen Yong leads in Publication No. CN1230356A Chinese utility model patent application《Preparation of xiancao polysaccharide as new congelation agent》In to disclose a kind of celestial grass more Sugar and preparation method thereof, it is through sorting, crushing plus Na by celestial grass₂CO₃, add water extractive, filter waste, by obtained celestial grass filter Liquid is concentrated by evaporation after activated carbon decolorizing, and celestial grass polysaccharide pulvis is made in spray drying；The receipts of the celestial grass polysaccharide of the process Rate is low, and will easily adulterate protein in the celestial grass polysaccharide of extraction, is that the separation in later stage brings larger difficulty, if not separating, celestial grass Polyose poor quality, it is not easy to maintain.Cao Huabin, Chen Minyan, Liao Shuqin are practical in Publication No. CN102911282A China New patent《A kind of decolouring of celestial grass polysaccharide liquid, de- protein Process method》In provide a kind of decolouring of celestial grass polysaccharide liquid, it is de- Protein Process method, it mainly passes through infusion, filtering clarification, tube centrifuge centrifugation, resin decolorization, vacuum concentration, finally With spray drying celestial grass polysaccharide, this method is also the purification mode of celestial grass polysaccharide for being extracted by infusion method.Week Army, Chen Yueshui Publication No. CN104387488A Chinese utility model patent《A kind of microbial fermentation extracts celestial grass polysaccharide Method》In disclose a kind of method that microbe fermentation method extracts celestial grass polysaccharide, this method includes crushing, extracts, sends out first Preparation, inoculation, fermentation, second extraction, coarse filtration and the centrifugation of yeast-like fungi seed liquor, film concentration, alcohol precipitation, drying steps.But It is long with extracting cycle the process employs fermentation extraction step, while adding fermentation seed liquid, add follow-up processing Difficulty and process, the celestial grass purity of polysaccharide for also resulting in final gained are relatively low.

The content of the invention

In view of the above-mentioned problems, the purpose of this utility model, which is to provide, has target product purity height, high income, production week Phase short celestial grass Polyose extraction system and extraction process.

To reach above-mentioned purpose, the technical scheme that the utility model is proposed is：A kind of celestial grass Polyose extraction system, it is special Levy and be：Including reducing mechanism, the ultrasonic wave adverse current extraction element being connected with reducing mechanism, described ultrasonic wave adverse current extracts dress Put and be sequentially connected horizontal centrifugal device, one-level disc-stack centrifuge device, flocculation deposition apparatus；The material of described flocculation deposition apparatus Liquid discharging opening connects two grades of disc-stack centrifuge device charging apertures by pipeline；The discharging opening of two grades of described disc-stack centrifuge devices Cartridge filter charging aperture is connected by pipeline；The discharging opening of described cartridge filter connects resin decoloration device by pipeline Weak-base anion-exchange resin is filled with charging aperture, described resin decolorization device；Described resin decolorization device goes out Material mouth connects dehvery pump charging aperture by pipeline, and described dehvery pump discharging opening connects the charging aperture of one-level film thickening apparatus；Institute The concentrated solution outlet for the one-level film thickening apparatus stated connects the charging aperture of circulating pump and dense by first by the first reflux line Pipe connects the charging aperture of electrodialysis desalination device；The discharging opening of described electrodialysis desalination device connects one-level by pipeline The charging aperture of booster pump, the discharging opening of described one-level booster pump connects the charging aperture of two-stage supercharging pump；Described two-stage supercharging The delivery port of pump connects the charging aperture of secondary membrane thickening apparatus by pipeline；The concentrated solution outlet of described secondary membrane thickening apparatus The charging aperture of two-stage supercharging pump is connected by the second reflux line and spray-drying installation or alcohol are connected by the second concentration pipeline Sink device.

Further, described one-level film thickening apparatus uses molecular cut off for the low pressure NF membrane of 50-250 dalton Thickening apparatus.

Further, described secondary membrane thickening apparatus uses high power film thickening apparatus, described high power film thickening apparatus In film be that molecular cut off is 50-150 dalton, pressure-resistant scope is 0-90bar high pressure resistant organic film.

It is preferred that, described cartridge filter is bag filter, and its filtering accuracy is 1-10 μm.

Using above-mentioned technical proposal, celestial grass Polyose extraction system described in the utility model is extracted applied to from celestial grass Celestial grass polysaccharide, with following beneficial effects：

1) use ultrasonic wave adverse current water extraction, extraction time is short, at the same can improve at normal temperatures product yield to 90% with On；

2) can have by the group technology of horizontal centrifugal+one-level disc-stack centrifuge++ two grades of flocculation sediment disc-stack centrifuge Effect removes solid impurity, suspension, part soluble protein and the tannin in feed liquid；

3) group technology concentrated by resin decolorization+one-level low-pressure membrane concentration++ two grades of electrodialysis desalination high-pressure membrane, can Effectively to remove the pigment and salinity in product, without the need for by traditional multi-effect evaporator, 30% can be reached at normal temperatures Solid content, keep product local flavor, have the advantages that product purity is high.

Brief description of the drawings

Fig. 1 is celestial grass Polyose extraction system structure diagram described in the utility model.

Embodiment

With reference to the accompanying drawings and detailed description, the utility model is described further.

As shown in figure 1, celestial grass Polyose extraction system described in the utility model, including：Including reducing mechanism 101, with powder The connected ultrasonic wave adverse current extraction element 102 of crushing device 101, ultrasonic wave adverse current extraction element 102 is sequentially connected horizontal centrifugal dress Put 103, one-level disc-stack centrifuge device 104, flocculation deposition apparatus 105；The feed liquid discharging opening of described flocculation deposition apparatus 105 Two grades of charging apertures of disc-stack centrifuge device 106 are connected by pipeline；The discharging opening of two grades of described disc-stack centrifuge devices 106 leads to Piping connects the charging aperture of cartridge filter 107；The discharging opening of cartridge filter 107 connects resin decoloration device by pipeline Weak-base anion-exchange resin is filled with 108 charging apertures, resin decolorization device 108；The discharging opening of resin decolorization device 108 The charging aperture of dehvery pump 109 is connected by pipeline, the described discharging opening of dehvery pump 109 connects the charging of one-level film thickening apparatus 110 Mouthful；The concentrated solution outlet of one-level film thickening apparatus 110 connects the charging aperture of circulating pump 109 by the first reflux line 115 and led to Cross the charging aperture of the first concentration connection electrodialysis desalination of pipeline 116 device 111；The discharging opening of electrodialysis desalination device 111 passes through Pipeline connects the charging aperture of one-level booster pump 112, and the discharging opening of described one-level booster pump 112 connects two-stage supercharging pump 113 Charging aperture；The delivery port of described two-stage supercharging pump 113 connects the charging aperture of secondary membrane thickening apparatus 114 by pipeline；It is described The concentrated solution outlet of secondary membrane thickening apparatus 114 charging aperture of two-stage supercharging pump is connected and logical by the second reflux line 117 Cross the second concentration pipeline 118 connection spray-drying installation or alcohol sink device 119.

It is preferred that, one-level film thickening apparatus 110 uses molecular cut off to be concentrated for the low pressure NF membrane of 50-250 dalton Component；Secondary membrane thickening apparatus 114 uses the film in high power film thickening apparatus, described high power film thickening apparatus to be retention molecule Measure as 50-150 dalton, pressure-resistant scope is 0-90bar high pressure resistant organic film；Cartridge filter 107 is bag filter, its Filtering accuracy is 1-10 μm.

By celestial grass Polyose extraction system described in the utility model, for the extraction of celestial grass polysaccharide, comprise the following steps：

Step 1：Celestial grass is first crushed to 100-200 mesh；By the celestial grass powder crushed by ultrasonic wave adverse current water extraction, obtain Ultrasonic extract, ultrasonic wave adverse current water extraction can improve the yield rate of product at normal temperatures to more than 90%；

Step 2：Ultrasonic extract removes solid suspension such as sand etc. by horizontal centrifugal device；Institute after horizontal centrifugal The extract solution obtained passes through one-level disc-stack centrifuge and removes part soluble protein and tannin；Extract solution after one-level disc-stack centrifuge ZTC- II type flocculant flocculation sediments are added, isolating protein and tannin is removed；Extract solution after flocculation sediment enters two grades of disc-types Oil removal is removed in centrifugation；

Step 4：Extract solution after two grades of disc-stack centrifuges enters filtering accuracy to be filtered in 1-10 μm of cartridge filter, Remove solid particle；Weak-base anion-exchange resin decolouring is carried out by the extract solution of cartridge filter, removed in extract solution Pigment, obtain resin decolorization liquid；

Step 5：Resin decolorization liquid carries out primary concentration, and primary concentration is concentrated using low pressure nanofiltration, and low pressure nanofiltration is concentrated Progress low pressure nanofiltration concentration after pressure 15-25bar is pressurized to by circulating pump in journey, concentrate is first back to circulating pump charging Mouthful, solution to be concentrated concentration reaches primary target concentration：Celestial grass polysaccharide total solid content be 5-7% after, obtain primary concentration liquid；

Step 6：The electrical conductivity of primary concentration liquid is 30 ms/cm or so, need to carry out desalting processing, the utility model passes through Electrodialysis desalination processing is carried out, the salt ion in feed liquid is removed, obtains electrodialysis desalination liquid；In described electrodialysis desalination processing The pole water in the hydroecium of pole in electrodialysis plant uses electrical conductivity for 8000-10000us/cm metabisulfite solution；In concentrated water room Concentrated water be pure water, Stress control is in 0.5-1bar, and temperature control is at 20-40 DEG C, and amount of water is controlled within 3 times, electrodialysis Electrodialysis desalination liquid electrical conductivity ＜ 3ms/cm after desalination；

Step 7：Electrodialysis desalination liquid carries out secondary concentration, and it is dense that secondary concentration carries out circulation using high power film thickening apparatus Contracting；Film in described high power film thickening apparatus is that molecular cut off is 50-150 dalton, and pressure-resistant scope is resistance to for 0-90bar's High pressure organic film；High pressure concentration is carried out to pressure 50-70bar by one-level booster pump and two-stage supercharging pump in concentration process, it is dense Contracting liquid is first back to two-stage supercharging pump charging aperture, and solution to be concentrated concentration reaches Secondary objective concentration i.e. celestial grass polysaccharide solid quality Fraction be 20-30% after, obtain secondary concentration liquid；

Step 8：Secondary concentration liquid, which is evaporated after concentration dust, dries or carries out the celestial grass that high-purity is made in alcohol precipitation Polysaccharide, after testing, its purity is up to more than 90%, and yield is up to more than 18%.

Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details On the utility model is made a variety of changes, be protection domain of the present utility model.

Claims (4)

1. a kind of celestial grass Polyose extraction system, it is characterised in that：Including reducing mechanism, the ultrasonic wave adverse current being connected with reducing mechanism Extraction element, described ultrasonic wave adverse current extraction element is sequentially connected horizontal centrifugal device, one-level disc-stack centrifuge device, flocculation Settler；The feed liquid discharging opening of described flocculation deposition apparatus connects two grades of disc-stack centrifuge device charging apertures by pipeline； The discharging opening of two grades of described disc-stack centrifuge devices connects cartridge filter charging aperture by pipeline；Described cartridge filter Discharging opening connected by pipeline weakly-basic anion be filled with resin decoloration device charging aperture, described resin decolorization device Exchanger resin；The discharging opening of described resin decolorization device connects dehvery pump charging aperture, described dehvery pump discharging by pipeline The charging aperture of mouth connection one-level film thickening apparatus；The concentrated solution outlet of described one-level film thickening apparatus passes through the first reflux line Connect the charging aperture of circulating pump and the charging aperture of electrodialysis desalination device is connected by the first concentration pipeline；Described electrodialysis takes off The discharging opening of salt device connects the charging aperture of one-level booster pump by pipeline, and the discharging opening of described one-level booster pump connects two grades The charging aperture of booster pump；The delivery port of described two-stage supercharging pump connects the charging aperture of secondary membrane thickening apparatus by pipeline；Institute The concentrated solution outlet for the secondary membrane thickening apparatus stated connects the charging aperture of two-stage supercharging pump and by the by the second reflux line Two concentration pipeline connection spray-drying installations or alcohol sink device.

2. a kind of celestial grass Polyose extraction system according to claim 1, it is characterised in that：Described one-level film thickening apparatus Molecular cut off is used for the low pressure NF membrane thickening apparatus of 50-250 dalton.

3. a kind of celestial grass Polyose extraction system according to claim 1, it is characterised in that：Described secondary membrane thickening apparatus Using high power film thickening apparatus；Film in described high power film thickening apparatus is that molecular cut off is 50-150 dalton, pressure-resistant Scope is 0-100bar high pressure resistant organic film.

4. a kind of celestial grass Polyose extraction system according to claim 1, it is characterised in that：Described cartridge filter is bag Formula filter, its filtering accuracy is 1-10 μm.