CN111234925A - Adsorption degumming squeezing method for aromatic rapeseed - Google Patents
Adsorption degumming squeezing method for aromatic rapeseed Download PDFInfo
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- CN111234925A CN111234925A CN202010138691.7A CN202010138691A CN111234925A CN 111234925 A CN111234925 A CN 111234925A CN 202010138691 A CN202010138691 A CN 202010138691A CN 111234925 A CN111234925 A CN 111234925A
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- oil
- degumming
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- crude oil
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 235000004977 Brassica sinapistrum Nutrition 0.000 title claims abstract description 11
- 125000003118 aryl group Chemical group 0.000 title claims abstract description 11
- 244000188595 Brassica sinapistrum Species 0.000 title claims abstract 6
- 238000001179 sorption measurement Methods 0.000 title abstract description 6
- 239000003921 oil Substances 0.000 claims abstract description 54
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 239000010779 crude oil Substances 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007670 refining Methods 0.000 abstract description 8
- 230000036571 hydration Effects 0.000 abstract description 6
- 238000006703 hydration reaction Methods 0.000 abstract description 6
- 239000012752 auxiliary agent Substances 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 abstract description 3
- 230000000887 hydrating effect Effects 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 235000019198 oils Nutrition 0.000 description 42
- 240000002791 Brassica napus Species 0.000 description 5
- 235000019484 Rapeseed oil Nutrition 0.000 description 5
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 4
- 235000012000 cholesterol Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000003904 phospholipids Chemical class 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- 241000219198 Brassica Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010499 rapseed oil Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000008159 sesame oil Substances 0.000 description 1
- 235000011803 sesame oil Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a method for adsorbing, degumming and squeezing aromatic rapeseed, which comprises the steps of sequentially hydrating crude oil, adding diatomite, stirring, filtering for the first time, cooling and growing crystals, adding cake powder and diatomite, and finally feeding into a finished product tank after the qualified product is subjected to secondary filtering inspection. According to the invention, the auxiliary agent is directly added after adsorption degumming hydration to filter the oil residue, the oil content of the filter residue cleaned by the oil filter is far lower than that of the oil residue, and the refining yield is improved by about 2-2.5%.
Description
Technical Field
The invention relates to the field of grain and oil production, in particular to a method for adsorbing, degumming and squeezing aromatic rapeseed.
Background
Rapeseed oil is called as "rape oil" for short, is one of main oil materials in China, is mainly taken from seeds of brassicaceous plant brassica (namely rape), and is mainly produced in Yangtze river basin, southwest and northwest areas in China. The rapeseed oil is golden yellow or brownish yellow in color, has a certain pungent smell, and is generally called as 'green smell'. Rapeseed oil has certain efficacies of softening blood vessels and delaying aging, and the cholesterol in the rapeseed oil is little or almost not contained, so people controlling the intake of the cholesterol can eat the rapeseed oil at ease.
However, the existing refining process of the thick sesame oil is hydration degumming, the process needs to discharge oil residue, the oil residue has high oil content, the oil loss is high, and the refining yield is low.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects, the invention provides the method for adsorbing, degumming and squeezing the aromatic rapeseed, the oil residue does not need to be discharged after the adsorption degumming and hydration, the oil content of the filter residue cleaned by an oil filter is far lower than that of the oil residue, and the refining yield is greatly improved.
The technical scheme is as follows:
the method for adsorbing, degumming and squeezing the aromatic rapeseed comprises the following steps:
(1) adding water with the weight of 2-5% of the weight of the crude oil and the temperature of 5-10 ℃ higher than the water temperature into the crude oil in a spraying mode, and stirring the crude oil;
(2) pumping the hydrated crude oil in the step (1) into a degumming tank through a centrifugal pump, and preserving heat at 50-60 ℃, and simultaneously stirring the pumped crude oil through a stirrer in the degumming tank; when the crude oil is pumped in, diatomite with the weight of 0.6 to 0.8 percent of the weight of the oil is added discontinuously;
(3) pumping the hydrated crude oil in the degumming tank into a blade type filter for primary filtration by a centrifugal pump, wherein the filtration time is 2-4 hours;
(4) cooling the oil subjected to primary filtration in the step (3) by using coil pipe chilled water, and simultaneously stirring quickly, and when the oil temperature is lower than 15 ℃, switching to slow stirring;
(5) adding cake powder and diatomite into the oil obtained in the step (4), wherein the adding amount of the cake powder is 0.5% -1% of the weight of the oil, and the adding amount of the diatomite is 0.2% of the weight of the oil;
(6) pumping the oil treated in the step (5) into a blade type filter through a centrifugal pump for filtering, wherein the oil temperature is kept at 10-12 ℃ during filtering, and the filtering time is 2-4 hours;
(7) finally obtaining qualified finished product entering cans.
In the step (1), water is added for 10-15 minutes, and the stirring time is 30 minutes.
In the step (2), the diatomite is added intermittently, and the level of the stirring leaves in the filter tank is used as the reference of the adding time.
In the step (2), the stirring blades are divided into three layers.
Has the advantages that: according to the invention, the auxiliary agent is directly added after adsorption degumming hydration to filter the oil residue, the oil content of the filter residue cleaned by the oil filter is far lower than that of the oil residue, the refining yield is improved to more than 95% from 93% of the original refining yield, and the refining yield is greatly improved.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
FIG. 1 is a flow chart of the present invention. As shown in fig. 1, the method for adsorbing, degumming and squeezing the aromatic rapeseed comprises the following steps:
(1) adding water into the crude oil for hydration; adding hot water (the water temperature is 5-10 ℃ higher than the oil temperature) with the weight of 2-5% of the oil weight into the crude oil which is being stirred by a stainless steel pipeline in a spraying manner, wherein the water adding time is 10-15 minutes, and the stirring time is 30 minutes;
(2) after the crude oil is hydrolyzed and phospholipid is separated out in the step (1), the hydrated crude oil is pumped into a degumming tank through a centrifugal pump and is subjected to heat preservation, a stirrer in the degumming tank is started at the same time, and diatomite with the weight of 0.6-0.8% of the weight of the oil is added discontinuously (the level of a stirring blade in the degumming tank is taken as the reference of the adding time, and the stirring blade is divided into three layers) in the tank inverting process;
(3) carrying out primary filtration;
pumping the hydrated crude oil in a degumming tank (belonging to a heat preservation tank) into a blade type filter (the blade type filter effectively separates oil in oil products from phospholipid, added auxiliary materials and the like) through a centrifugal pump for filtration, wherein the oil temperature is 50-60 ℃ during filtration, and the filtration time is 2-4 hours;
(4) cooling and growing the crystal after the primary filtration in the step (3);
cooling the oil subjected to primary filtration in the step (3) by using coil chilled water, starting rapid stirring, cooling while stirring, and converting stirring into slow stirring when the oil temperature is lower than 15 ℃ (wax in the oil product is crystallized);
(5) adding cake powder and diatomite
Adding cake powder and diatomite into the oil (the oil temperature is about 10-12 degrees) after the temperature reduction and crystal growth in the step (4), wherein the adding amount of the cake powder is 0.5-1% of the weight of the oil (the weight of the oil after filtration), and the adding amount of the diatomite is 0.2% of the weight of the oil;
(6) secondary filtration;
pumping the oil treated in the step (5) into a blade type filter through a centrifugal pump for filtering, wherein the oil temperature is kept at 10-12 ℃ during filtering, and the filtering time is 2-4 hours;
(7) and (5) sampling, inspecting and then putting into a finished product tank.
According to the invention, the auxiliary agent is directly added after adsorption degumming hydration to filter the oil residue, the oil content of the filter residue cleaned by the oil filter is far lower than that of the oil residue, and the refining yield is improved by about 2-2.5%.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the foregoing embodiments, and various equivalent changes (such as number, shape, position, etc.) may be made to the technical solution of the present invention within the technical spirit of the present invention, and the equivalents are protected by the present invention.
Claims (4)
1. The method for adsorbing, degumming and squeezing the aromatic rapeseed is characterized by comprising the following steps: the method comprises the following steps:
(1) adding water with the weight of 2-5% of the weight of the crude oil and the temperature of 5-10 ℃ higher than the water temperature into the crude oil in a spraying mode, and stirring the crude oil;
(2) pumping the hydrated crude oil in the step (1) into a degumming tank through a centrifugal pump, and preserving heat at 50-60 ℃, and simultaneously stirring the pumped crude oil through a stirrer in the degumming tank; when the crude oil is pumped in, diatomite with the weight of 0.6 to 0.8 percent of the weight of the oil is added discontinuously;
(3) pumping the hydrated crude oil in the degumming tank into a blade type filter for primary filtration by a centrifugal pump, wherein the filtration time is 2-4 hours;
(4) cooling the oil subjected to primary filtration in the step (3) by using coil pipe chilled water, and simultaneously stirring quickly, and when the oil temperature is lower than 15 ℃, switching to slow stirring;
(5) adding cake powder and diatomite into the oil obtained in the step (4), wherein the adding amount of the cake powder is 0.5% -1% of the weight of the oil, and the adding amount of the diatomite is 0.2% of the weight of the oil;
(6) pumping the oil treated in the step (5) into a blade type filter through a centrifugal pump for filtering, wherein the oil temperature is kept at 10-12 ℃ during filtering, and the filtering time is 2-4 hours;
(7) finally obtaining qualified finished product entering cans.
2. The method for adsorbing, degumming and squeezing aromatic rapeseed according to claim 1, characterized in that: in the step (1), water is added for 10-15 minutes, and the stirring time is 30 minutes.
3. The method for adsorbing, degumming and squeezing aromatic rapeseed according to claim 1, characterized in that: in the step (2), the diatomite is added intermittently, and the level of the stirring leaves in the filter tank is used as the reference of the adding time.
4. The method for adsorbing, degumming and squeezing aromatic rapeseed according to claim 3, characterized in that: in the step (2), the stirring blades are divided into three layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138691.7A CN111234925A (en) | 2020-03-03 | 2020-03-03 | Adsorption degumming squeezing method for aromatic rapeseed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138691.7A CN111234925A (en) | 2020-03-03 | 2020-03-03 | Adsorption degumming squeezing method for aromatic rapeseed |
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| Publication Number | Publication Date |
|---|---|
| CN111234925A true CN111234925A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010138691.7A Pending CN111234925A (en) | 2020-03-03 | 2020-03-03 | Adsorption degumming squeezing method for aromatic rapeseed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111876240A (en) * | 2020-08-15 | 2020-11-03 | 金健植物油有限公司 | Method and equipment for improving production efficiency of aromatic rapeseed oil |
| CN113512465A (en) * | 2021-05-24 | 2021-10-19 | 中粮营养健康研究院有限公司 | Preparation method of thick sesame oil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255587A (en) * | 2015-12-01 | 2016-01-20 | 道道全粮油股份有限公司 | Low-temperature physical refining method for rapeseed oil with aromatic flavor |
| CN109294733A (en) * | 2017-07-25 | 2019-02-01 | 江苏佳丰粮油工业有限公司 | A kind of fast dewaxing method of rapeseed oil |
| CN109536277A (en) * | 2017-09-22 | 2019-03-29 | 余握中 | A kind of processing technology of rapeseed oil |
-
2020
- 2020-03-03 CN CN202010138691.7A patent/CN111234925A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255587A (en) * | 2015-12-01 | 2016-01-20 | 道道全粮油股份有限公司 | Low-temperature physical refining method for rapeseed oil with aromatic flavor |
| CN109294733A (en) * | 2017-07-25 | 2019-02-01 | 江苏佳丰粮油工业有限公司 | A kind of fast dewaxing method of rapeseed oil |
| CN109536277A (en) * | 2017-09-22 | 2019-03-29 | 余握中 | A kind of processing technology of rapeseed oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111876240A (en) * | 2020-08-15 | 2020-11-03 | 金健植物油有限公司 | Method and equipment for improving production efficiency of aromatic rapeseed oil |
| CN113512465A (en) * | 2021-05-24 | 2021-10-19 | 中粮营养健康研究院有限公司 | Preparation method of thick sesame oil |
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Application publication date: 20200605 |
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