CN103805336A - High-efficient rice bran oil degumming method - Google Patents
High-efficient rice bran oil degumming method Download PDFInfo
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- CN103805336A CN103805336A CN201210442385.8A CN201210442385A CN103805336A CN 103805336 A CN103805336 A CN 103805336A CN 201210442385 A CN201210442385 A CN 201210442385A CN 103805336 A CN103805336 A CN 103805336A
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Abstract
The invention discloses a high-efficient rice bran oil degumming method. According to the high-efficient rice bran oil degumming method, crude oil is heated; phosphoric acid with a concentration of 85% is added so as to promote conversion of nonhydratable phospholipids in crude oil to hydratable phospholipids; a small amount of diluted alkali is added so as to realize hydration and flocculation of phospholipids in liquid crystal states via alkali neutralization of free fatty acids; dehydrated rice bran oil is delivered into a blade filter for one time of filtration and blow-drying without vibrating filter cake; impurities such as residual phospholipids and metal ions are removed via filtration using decolored waste white clay, colloids in the rice bran oil are removed completely via a plurality of times of separation, and subsequent technique implementation quality is ensured.
Description
Technical field:
Product involved in the present invention, the technical field that peptized impurities in Rice pollard oil and non-peptized impurities removed of edible oil in refining procedure.
Background technology:
Rice pollard oil, as a kind of health-nutrition oil, is favored in the international market very much.The height that is rich in thiaminogen is cooked grade Rice pollard oil rotten developed country such as American-European, Japanese of wind.Owing to containing in rice bran crude oil than more complicated, a fairly large number of other oil-soluble substance of other Vegetable oil lipoprotein; As: free fatty acids (is generally 10% left and right, have up to more than 20%), wax (3%～5%), phosphatide and gunk-squeeze process (0.5% left and right), pigment (0.12%～0.28%), Determination of multiple metal elements (general content is other greases more than 10 times) and other hot bad change materials, make neutral oil heavy losses in the refining difficulty of Rice pollard oil and refining process, the production of hair oil extracted from rice husks rests on the level of inferior grade edible oil always.At present, the Rice pollard oil (20～40) higher for acid value, still adopts continuous physical purifying method (comprise and adopt molecular distillation new technology) substantially, and its research emphasis mainly concentrates on the novel process of Rice pollard oil color and impurity removal, new formula, new additive aspect.Rice pollard oil for acid value more than 40, the rate of recovery of chemical refining and physical refining is very low, and refining has no commercial value, but that this part Rice pollard oil accounts for the ratio of raw material is also very high; Forward position and the focus of research are enzyme process and biorefining both at home and abroad at present, all have the work of developing research in countries such as the U.S., Japan, Europe and India, and China also starts research and the input of this respect substantially.Due to the high nutritive value characteristic of Rice pollard oil and the difficulty of refining process thereof, increasing experts and scholars put into refining of crude rice bran oil fund and expect that from former processed oil in depth analyzes, tests each manufacturing procedure, expectation can dissect the substantive reason of refining of crude rice bran oil difficulty, and finds out corresponding refining countermeasure.Allow the commodity Rice pollard oil of low cost high-quality lay out shelf, come into huge numbers of families.In rice bran crude oil, contain more non-fatty acid triglyceride composition, as free fatty acids, phosphatide, glycolipid matter, lipoprotein, pigment, chaff wax etc., the feature such as the existence of these materials, makes rice bran crude oil form acid value high, and color and luster is dark, the content of wax is many.Not only have a strong impact on the edible performance of Rice pollard oil, and proposed higher requirement to the refining of rice bran crude oil.Refining Degumming Procedures is whole refining process origin or beginning operation, and the quality of degumming effect determines that the effect of subsequent handling decolouring, deodorization, depickling, winterization directly affects outward appearance and the grade judgement of final finished oil.
Summary of the invention:
The technique that this project is related, is applied in refining raw food oil operation; Belong to a kind of continuity degumming technology.For example: the acid value 14.5m g KOI-I/g of hair Rice pollard oil, color and luster: auburn pressed oil, first a hair Rice pollard oil pumps into well heater by oil pump and heats; After heating, adding phosphoric acid is 85%, food grade, enter multiple-effect mixing tank and mix.After mixing, be transported to souring tank acidification, the effect that adds phosphoric acid is to impel the nonhydratable phosphatide in grease to transform to hydrated phospholipid.After acidification, adding the effect of sodium-chlor is for breakdown of emulsion again, accelerates phosphatide coagulating sedimentation.After coagulating sedimentation, be transported to whizzer and separate through row, isolated oil foot is sent into oil foot pond.Rice pollard oil after coming unstuck for the first time adds a small amount of diluted alkaline, after multiple-effect mixing tank mixes; Send into reaction time-retention tank and carry out chemical reaction.The effect that adds a small amount of diluted alkaline is by making mesomorphic phosphatide aquation and solidifying wadding a quilt with cotton with the free property lipid acid of seldom measuring in alkali.Phosphatide aquation with after solidifying wadding, be transported to whizzer and again separate, the Rice pollard oil after separation is transported to and in drying chamber, carries out vacuum hydro-extraction.After vacuum hydro-extraction, be transported to once to filter through oil pump and do not shake filter cake leaf-type filter after drying up and filter.Utilize the spent bleaching clay after decolouring to filter the remaining impurity such as phosphatide and metal ion of removal; Obtain dry degumming oil.Be less than or equal to 10mg/k through the oily phosphorus content coming unstuck, through separating several times, the colloid in Rice pollard oil thoroughly removed; Guarantee subsequent technique implementation quality.
Accompanying drawing explanation:
Below in conjunction with drawings and Examples, the present invention is further described, and Fig. 1 is the schematic diagram of this project.
System is by steam heater 1, sump oil catch 2, hot-water cylinder 3, water dispenser 4, soap stock tank 5, an alkali liquid tank 6, alkali-prepared tank 7, No. two alkali liquid tanks 8, phosphoric acid tank 9, dewaxing storage tank 10, crude oil well heater 11, a multiple-effect mixing tank 12, the oily retort 13 of acid, No. two multiple-effect mixing tanks 14, in No. one and time-retention tank 15, a contaminated product well heater 16, a whizzer 17, No. two contaminated product well heaters 18, No. three multiple-effect mixing tanks 19, in No. two and time-retention tank 20, electric block 21, No. two whizzers 22, No. three contaminated product well heaters 23, No. four multiple-effect mixing tanks 24, No. three whizzers 25, No. four contaminated product well heaters 26, water ring vacuum pump 27, condenser 28, liquid foam trap 29, precipitation drying tower 30, leaf-type filter 31, water cooler 32 forms.
Embodiment:
The product that this project is related, heats pumping into crude oil well heater 11 in dewaxing storage tank 10 by oil pump; Crude oil after heating enters multiple-effect mixing tank 12 No. one, and carries in proportion the phosphoric acid of coming to mix from phosphoric acid tank 9; After mixing, be transported to sour oily retort 13 and carry out acidification reaction.After preliminary acidification reaction, enter No. two multiple-effect mixing tanks 14 and again mix; After again mixing, enter in No. one and carry out time delay acidification reaction again with time-retention tank 15; After having reacted, be transported to a contaminated product well heater 16 through oil pump and heat; Separate through a whizzer 17 again.Isolated oil foot is transported to soap stock tank 5, and the degummed oil of separation heats by No. two contaminated product well heaters 18; Be transported to multiple-effect mixing tank 19 No. three, carry in proportion the alkali lye of coming to mix with alkali liquid tank 6, alkali-prepared tank 7, No. two alkali liquid tanks 8; After mixing, be transported in No. two and time-retention tank 20 neutralization reaction that alkalizes, reacted rear mixing oil and be transported to No. two whizzers 22 through oil pump and separate.Isolated soap stock is transported to soap stock tank 5, and isolated Rice pollard oil is transported to No. three contaminated product well heaters 23 and heats; After Rice pollard oil heating, enter multiple-effect mixing tank 24 No. four, provide hot water to mix washing with hot-water cylinder 3, water dispenser 4; After mixing washing, be transported to No. three whizzers 25 and carry out profit initial gross separation.Rice pollard oil after separation is transported to contaminated product well heater 26 No. four, enters precipitation drying tower 30 and carry out vacuum hydro-extraction, remove residual solvent oil after heating.Vacuum environment is produced and is kept by the circulation of water ring vacuum pump 27, condenser 28, and the gaseous impurities of steam and generation is discharged through liquid foam trap 29.After Rice pollard oil vacuum hydro-extraction, be transported to once to filter through oil pump and do not shake filter cake leaf-type filter after drying up and filter.Utilize the spent bleaching clay after decolouring to filter the remaining impurity such as phosphatide and metal ion of removal.Through water cooler (32), the leaf-type filter (31) that is cooled to certain temperature to enter into filtering layer bleaching workshop section filters; After filtering, the high-quality Rice pollard oil that comes unstuck enters next section of bleaching process.The routine maintenance of whizzer 17, No. two whizzers 22, No. three whizzers 25 has been assisted by electric block 21.
Claims (7)
1. an efficient Rice pollard oil degumming technology, its feature: the effect that adds phosphoric acid is to impel the nonhydratable phosphatide in grease to transform to hydrated phospholipid.After acidification, adding the effect of sodium-chlor is for breakdown of emulsion again, accelerates phosphatide coagulating sedimentation.Rice pollard oil after coming unstuck for the first time adds a small amount of diluted alkaline.The effect that adds a small amount of diluted alkaline is by making mesomorphic phosphatide aquation and solidifying wadding a quilt with cotton with the free property lipid acid of seldom measuring in alkali.Phosphatide aquation with after solidifying wadding, be transported to whizzer and again separate, the Rice pollard oil after separation is transported to and in drying chamber, carries out vacuum hydro-extraction.Rice pollard oil after dehydration is transported to once to filter and does not shake filter cake leaf-type filter after drying up and filter.Utilize decolouring spent bleaching clay to filter and remove the remaining impurity such as phosphatide and metal ion.
2. technique according to claim 1, pumps into crude oil well heater (11) in dewaxing storage tank (10) and heats; After heating, enter a multiple-effect mixing tank (12), and carry in proportion the phosphoric acid of coming to mix from phosphoric acid tank (9); After mixing, be transported to sour oily retort (13) and carry out acidification reaction.
3. technique according to claim 1, the Rice pollard oil after preliminary acidification reaction, enters No. two multiple-effect mixing tanks (14) and again mixes; After again mixing, enter in No. one and time-retention tank (15) carries out time delay acidification reaction again; After reaction, be transported to a contaminated product well heater (16) heating through oil pump; Separate through a whizzer (17), oil foot is transported to soap stock tank (5) again.
4. technique according to claim 1, degummed oil is by No. two contaminated product well heaters (18) heating; Be transported to No. three multiple-effect mixing tanks (19), the alkali lye of carrying in proportion with an alkali liquid tank (6), alkali-prepared tank (7), No. two alkali liquid tanks (8) mixes; After mixing, be transported in No. two and time-retention tank (20) neutralization reaction that alkalizes, be transported to No. two whizzers (22) and separate.Soap stock is transported to soap stock tank (5).
5. technique according to claim 1, Rice pollard oil is transported to No. three contaminated product well heaters (23) heating; After Rice pollard oil heating, enter No. four multiple-effect mixing tanks (24), provide hot water to mix washing with hot-water cylinder (3), water dispenser (4); After mixing washing, be transported to No. three whizzers (25) and carry out profit initial gross separation.
6. technique according to claim 1, Rice pollard oil is transported to No. four contaminated product well heaters (26), enters precipitation drying tower (30) and carry out vacuum hydro-extraction, remove residual solvent oil after heating.Vacuum environment is produced and is kept by the circulation of water ring vacuum pump (27), condenser (28), and the gaseous impurities of steam and generation is discharged through liquid foam trap (29).
7. technique according to claim 1, is transported to once to filter through oil pump after Rice pollard oil vacuum hydro-extraction and does not shake filter cake leaf-type filter after drying up and filter.Utilize the spent bleaching clay after decolouring to filter the remaining impurity such as phosphatide and metal ion of removal.After mixing, through water cooler (32), the leaf-type filter (31) that is cooled to certain temperature to enter into filtering layer bleaching workshop section filters.After filtering, the high-quality Rice pollard oil that comes unstuck enters next section of bleaching process.
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| CN201210442385.8A CN103805336A (en) | 2012-11-08 | 2012-11-08 | High-efficient rice bran oil degumming method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073363A (en) * | 2014-06-30 | 2014-10-01 | 李安民 | Degumming and impurity removing process and equipment for waste oil |
| WO2018024728A1 (en) | 2016-08-05 | 2018-02-08 | Neste Oyj | Purification of feedstock by heat treatment |
| CN111676095A (en) * | 2020-06-24 | 2020-09-18 | 广汉市迈德乐食品有限公司 | Fully-automatic integrated production line for beef tallow |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073363A (en) * | 2014-06-30 | 2014-10-01 | 李安民 | Degumming and impurity removing process and equipment for waste oil |
| WO2018024728A1 (en) | 2016-08-05 | 2018-02-08 | Neste Oyj | Purification of feedstock by heat treatment |
| US11142722B2 (en) | 2016-08-05 | 2021-10-12 | Neste Oyj | Purification of feedstock by heat treatment |
| CN111676095A (en) * | 2020-06-24 | 2020-09-18 | 广汉市迈德乐食品有限公司 | Fully-automatic integrated production line for beef tallow |
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Application publication date: 20140521 |