CN105461779A - Low-cost tea-saponin-continuous-extraction raw material pretreatment process - Google Patents
Low-cost tea-saponin-continuous-extraction raw material pretreatment process Download PDFInfo
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- CN105461779A CN105461779A CN201510836710.2A CN201510836710A CN105461779A CN 105461779 A CN105461779 A CN 105461779A CN 201510836710 A CN201510836710 A CN 201510836710A CN 105461779 A CN105461779 A CN 105461779A
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- tea
- rice
- moisture
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- saponin
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J63/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
- C07J63/008—Expansion of ring D by one atom, e.g. D homo steroids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
- C07H1/06—Separation; Purification
- C07H1/08—Separation; Purification from natural products
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/20—Carbocyclic rings
- C07H15/24—Condensed ring systems having three or more rings
- C07H15/256—Polyterpene radicals
Abstract
The invention discloses a low-cost tea-saponin-continuous-extraction raw material pretreatment process which includes the steps: (1) screening camellia oleifera meal, allowing the screen underflow material to pass through a conveying auger and spraying hot water for adjusting the water content; (2) allowing the camellia oleifera meal after water content adjustment to enter a conditioning machine, spraying steam, continuing to adjust the water content, and heating; (3) allowing the camellia oleifera meal after conditioning to enter a granulator through an auger with shell-layer heating; (4) mixing the granulated camellia oleifera meal and the screen overflow material evenly, and drying; and (5) sending the dried mixed material into an extractor, continuously extracting, and concentrating and drying the extracted liquor to obtain the finished product. The process has the beneficial effects that after the adoption of the process, the tea saponin extraction efficiency can be improved effectively, and the processing cost can be effectively reduced; and moreover, the camellia oleifera meal after extraction has lower tea saponin residue, can be used as a raw material for a feed, thereby greatly improving the utilization scope and the value of the product.
Description
Technical field
The present invention relates to Extracted From Oil-tea-cake technical field, be specifically related to a kind of low cost tea saponin and extract raw material pretreatment process continuously.
Background technology
The extracting method of existing tea saponin, the technique that major part adopts is that tank group interval is extracted, and what small part factory adopted is that flat-turn leacher extracts continuously.Owing to not carrying out pre-treatment to the tea dregs of rice before extraction, in leaching process, fines content is too large, therefore in leaching process, solvent penetration is poor, and the material level of leacher is lower, reduce extraction effect and extraction efficiency, make to extract the residual more than 8% of tea saponin in the tea dregs of rice after tea saponin; Process because extracting front raw material, extract in post-drying process and can only adopt high temperature and low material level, and be difficult to solvent in material thoroughly to steam, cause drying effect and efficiency is all very low, extract one ton of tea saponin crude product solvent consumption up to more than 800kg, tea saponin crude product purity about 56%.
Summary of the invention
Object of the present invention is just in order to overcome the deficiency of above-mentioned technology, and provide a kind of low cost tea saponin to extract raw material pretreatment process continuously, after specifically the tea dregs of rice being sieved, powder under sieve carries out granulation, again the tea dregs of rice after granulation are mixed with screen overflow, dry, send into a kind of method that leacher extracts tea saponin continuously; Make course of processing efficiency higher, tooling cost is lower, and the tea saponin impurity of extraction is less, and the tea dregs of rice tea saponin extracting tea saponin is residual lower, and it is easier to apply.
The object of the invention is to have come by following technical solution.This low cost tea saponin extracts raw material pretreatment process continuously, comprises the steps:
(1) sieved by Extracted From Oil-tea-cake, screen underflow is by conveying auger and spray into hot water and carry out moisture adjustment;
(2) regulate the tea dregs of rice after moisture, enter quality controling machine and spray into steam, continue regulate moisture and heat, Heating temperature is 60 DEG C-70 DEG C, tea dregs of rice moisture 12-14%;
(3) the tea dregs of rice after modified enter granulator granulation by the auger heated with shell, and the Heating temperature of auger is 70 DEG C-80 DEG C, tablets press hole diameter of sieve (perforated) plate 3mm;
(4) the tea dregs of rice after granulation and screen overflow are mixed, and dry, after drying, tea dregs of rice moisture is 7%-9%;
(5) by the mixture after oven dry, send into leacher and carry out continuous extraction, extraction time is 90min-150min, is finished product after vat liquor concentrate drying.
Further: Extracted From Oil-tea-cake sieves by step (1), screen underflow is by conveying auger and spray into hot water and carry out moisture adjustment, screen-aperture 1.5mm, and hot water temperature is not less than 60 DEG C, and the tea dregs of rice moisture after adjustment is 12%.
Extracted From Oil-tea-cake modified: the vibratory screening apparatus of Extracted From Oil-tea-cake by screen-aperture 1.5mm is sieved, screen underflow is by conveying auger and spray into the hot water that temperature is not less than 60 DEG C and carry out moisture adjustment, and the tea dregs of rice moisture controlled after adjustment is near 12%; Regulate the tea dregs of rice after moisture, enter quality controling machine and spray into steam and continue to regulate moisture to be 12%-14%, open interlayer heating, heating and temperature control is at 60 DEG C-70 DEG C simultaneously.
Extracted From Oil-tea-cake granulation lixiviate: the tea dregs of rice after modified are by the auger heating with shell heating, and auger heating and temperature control is at 70 ° of C-80 DEG C, and it is 3mm granulator granulation that the tea dregs of rice after heating enter hole diameter of sieve (perforated) plate; The tea dregs of rice after granulation and screen overflow are mixed, and dry, baked tea dregs of rice moisture is 7%-9%; By the mixture after oven dry, send into leacher and carry out continuous extraction, extraction time is 90min-150min, is finished product after vat liquor concentrate drying.
Principle of the present invention is: by Extracted From Oil-tea-cake particle and powder separation; by the modified granulation of powder after separation, and then mix with particle, enter leacher after oven dry and carry out tea saponin continuous extraction; then by vat liquor concentrate drying, a kind of working method of lower production cost tea saponin is obtained.Due to process employing is sieved in advance by the tea dregs of rice, particle and powder is separated, then carries out granulation to powder, need not process, this improves the efficiency of raw materials pretreatment to all raw materials; Because the screen overflow tea dregs of rice are particulate state, substantially the infiltration of solvent is not affected in postchannel process, therefore by the tea dregs of rice after granulation and the mixing of screen overflow particle, enter the continuous extraction that leacher carries out tea saponin again, solve a difficult problem for poor permeability in raw material leaching process, make need not adopt low material level in leaching process, the material level compared with normal technique of extraction even can improve, therefore extraction efficiency and effect are all relatively good; After raw materials pretreatment, fines content is low, and during oven dry, steam penetrates and is more prone to, thus solves the higher difficult problem of continuous extraction process solvent consumption.
Beneficial effect of the present invention is: the present invention compared with prior art, have employed and sieves raw material, carries out granulation to screen underflow powder, and the tea dregs of rice after granulation and screen overflow tea dregs of rice particle mix, then carries out the method for drying.Adopt existing technology, the purity of tea saponin crude product does not adopt during this technique and increases, and in tea saponin, foreign matter content declines to some extent, more favourable to further purifying process.Compared with existing tea saponin preparation technique, after adopting the present invention, not only make extraction efficiency higher, and tea saponin residual lower in the tea dregs of rice after extracting, in leaching process, solvent consumption is less, and production cost is lower, has expanded the range of application of tea saponin to a certain extent; Because the tea dregs of rice tea saponin extracting tea saponin is residual few, to further utilizing as exploitation tea dregs of rice feed will be more prone to, the processing benefit of byproduct can be effectively improved.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Embodiment
Below by embodiment, the present invention is further elaborated, and help is understood the present invention by embodiment better, but the present invention is not limited only to following embodiment.
This low cost tea saponin of the present invention extracts raw material pretreatment process continuously, comprises the steps:
(1) sieved by Extracted From Oil-tea-cake, screen underflow is by conveying auger and spray into hot water and carry out moisture adjustment, screen-aperture 1.5mm, and hot water temperature is not less than 60 DEG C, and the tea dregs of rice moisture after adjustment is 12%.
(2) regulate the tea dregs of rice after moisture, enter quality controling machine and spray into steam, continue regulate moisture and heat, Heating temperature is 60 DEG C-70 DEG C, tea dregs of rice moisture 12-14%;
(3) the tea dregs of rice after modified enter granulator granulation by the auger heated with shell, and the Heating temperature of auger is 70 DEG C-80 DEG C, tablets press hole diameter of sieve (perforated) plate 3mm;
(4) the tea dregs of rice after granulation and screen overflow are mixed, and dry, after drying, tea dregs of rice moisture is 7%-9%;
(5) by the mixture after oven dry, send into leacher and carry out continuous extraction, extraction time is 90min-150min, is finished product after vat liquor concentrate drying.
Embodiment 1: the vibratory screening apparatus of Extracted From Oil-tea-cake by screen-aperture 1.5mm is sieved, screen underflow is by conveying auger and to spray into temperature be that the hot water of 60 DEG C carries out moisture adjustment, and the tea dregs of rice moisture controlled after adjustment is near 12%; Regulate the tea dregs of rice after moisture, enter quality controling machine and spray into steam and continue to regulate moisture to be 12%, open interlayer heating, heating and temperature control is at 60 DEG C simultaneously.The tea dregs of rice after modified are by the auger heating with shell heating, and auger heating and temperature control is at 70 DEG C, and it is 3mm granulator granulation that the tea dregs of rice after heating enter hole diameter of sieve (perforated) plate; The tea dregs of rice after granulation and screen overflow are mixed, and dry, baked tea dregs of rice moisture is 7%; By the mixture after oven dry, send into leacher and carry out continuous extraction, extraction time is 120min, is finished product after vat liquor concentrate drying.
Embodiment 2: the vibratory screening apparatus of Extracted From Oil-tea-cake by screen-aperture 1.5mm is sieved, screen underflow is by conveying auger and to spray into temperature be that the hot water of 63 DEG C carries out moisture adjustment, and the tea dregs of rice moisture controlled after adjustment is near 12%; Regulate the tea dregs of rice after moisture, enter quality controling machine and spray into steam and continue to regulate moisture to be 14%, open interlayer heating, heating and temperature control is at 70 DEG C simultaneously.The tea dregs of rice after modified are by the auger heating with shell heating, and auger heating and temperature control is at 75 DEG C, and it is 3mm granulator granulation that the tea dregs of rice after heating enter hole diameter of sieve (perforated) plate; The tea dregs of rice after granulation and screen overflow are mixed, and dry, baked tea dregs of rice moisture is 7%; By the mixture after oven dry, send into leacher and carry out continuous extraction, extraction time is 150min, is finished product after vat liquor concentrate drying.
Adopt the leading indicator after this technique as follows: tea saponin solvent consumption≤100kg per ton, tea saponin purity >=58%, tea saponin residual≤3.5% in the tea dregs of rice.
Finally, it should be pointed out that above example is only the more representational example of the present invention.Obviously, technical scheme of the present invention is not limited to above-mentioned example, can also have many distortion, all distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, and all should think protection scope of the present invention.
Claims (2)
1. low cost tea saponin extracts a raw material pretreatment process continuously, it is characterized in that: comprise the steps:
(1) sieved by Extracted From Oil-tea-cake, screen underflow is by conveying auger and spray into hot water and carry out moisture adjustment;
(2) regulate the tea dregs of rice after moisture, enter quality controling machine and spray into steam, continue regulate moisture and heat, Heating temperature is 60 DEG C-70 DEG C, tea dregs of rice moisture 12-14%;
(3) the tea dregs of rice after modified enter granulator granulation by the auger heated with shell, and the Heating temperature of auger is 70 DEG C-80 DEG C, tablets press hole diameter of sieve (perforated) plate 3mm;
(4) the tea dregs of rice after granulation and screen overflow are mixed, and dry, after drying, tea dregs of rice moisture is 7%-9%;
(5) by the mixture after oven dry, send into leacher and carry out continuous extraction, extraction time is 90min-150min, is finished product after vat liquor concentrate drying.
2. low cost tea saponin according to claim 1 extracts raw material pretreatment process continuously, it is characterized in that: Extracted From Oil-tea-cake sieves by step (1), screen underflow is by conveying auger and spray into hot water and carry out moisture adjustment, screen-aperture 1.5mm, hot water temperature is not less than 60 DEG C, and the tea dregs of rice moisture after adjustment is 12%.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893203A (en) * | 2018-06-26 | 2018-11-27 | 安徽山美生物科技有限公司 | A kind of granulation of Oil-tea-cake dust, which is leached, goes Residual oil technique |
| CN110526954A (en) * | 2019-07-15 | 2019-12-03 | 江西久晟油茶发展有限公司 | A kind of Tea Saponin process units and its method |
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| CN101434868A (en) * | 2008-12-09 | 2009-05-20 | 河南省滑县粮机厂 | Method for extracting montan wax from lignite |
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| CN103588850A (en) * | 2012-08-19 | 2014-02-19 | 邓培红 | Method for extracting tea saponin from oil tea meal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893203A (en) * | 2018-06-26 | 2018-11-27 | 安徽山美生物科技有限公司 | A kind of granulation of Oil-tea-cake dust, which is leached, goes Residual oil technique |
| CN110526954A (en) * | 2019-07-15 | 2019-12-03 | 江西久晟油茶发展有限公司 | A kind of Tea Saponin process units and its method |
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| CN105461779B (en) | 2018-07-24 |
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