CN104232291A - Rapeseed pre-pressing process - Google Patents
Rapeseed pre-pressing process Download PDFInfo
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- CN104232291A CN104232291A CN201410380106.9A CN201410380106A CN104232291A CN 104232291 A CN104232291 A CN 104232291A CN 201410380106 A CN201410380106 A CN 201410380106A CN 104232291 A CN104232291 A CN 104232291A
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- brassicae campestris
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Abstract
The invention provides a rapeseed pre-pressing process which mainly comprises the following process steps: a cleaning process, a germ flattening process, a bulking process, bulked material drying, bulked material pre-pressing and pre-pressed cake leaching. According to the rapeseed pre-pressing process, a blank sheet is bulked without outputting oil by substituting the usage of a bulking machine for steaming and frying, the destructive effect of the bulking machine on the cell wall of a material blank is higher than that of steaming and frying operations; because the bulking needs to be carried out, the requirement on the germ flattening of a rapeseed is greatly lowered, and the thickness of the blank sheet can be less than 0.5 mm; the refining loss is relatively lower; and phosphate and lipoxygenase are passivated due to wet-heat effect in a bulking process, and the phospholipid content of crude oil is reduced, so that the refining loss of the crude oil is reduced. The rapeseed pre-pressing process provided by the invention has the advantages of stability, easiness for implementation, energy conservation, consumption reduction and suitability for wide popularization.
Description
Technical field
The present invention relates to lipid complete processing, particularly relate to a kind of Semen Brassicae campestris and squeeze technique in advance.
Background technology
Semen Brassicae campestris is the fruit of crop in cruciferae rape, and angle fruit is longer, bears pods many, and grain is originally full.In Semen Brassicae campestris, the content of grease is 37.5%-46.3%.Slightly different according to the type of rape its fat content different.Semen Brassicae campestris, also referred to as Semen Brassicae Campestris, is draft crop in cruciferae, and be China main one of oil crops and nectar source crop, its seed is one of immersion oil fat raw material principal item processed.Cultivation, throughout China, is divided into winter rape and spring rape two kinds.Its cultivated area accounts for more than 40% of the Chinese oil crops total area, and output accounts for more than 30% of Chinese oil plant ultimate production, occupies first place in the world.At present, the processing of Semen Brassicae campestris mostly adopt traditional steaming fry-squeeze technique in advance, there is the shortcomings such as energy consumption is high, complex process, Extractive crudeoil are of poor quality in this technique, processing step is generally Semen Brassicae campestris-cleaning-squeezing embryo-steaming to be fried-pre-squeezing-leach, and the resid amount of its pre-pressed cake is too high, and oil plant long period in steaming stir-fry process is subject to high temperature, this is unfavorable to the quality generation of crude oil and grouts, also have pre-squeezing at high temperature to carry out, oil plant is easily oxidized, and the quality of crude oil and grouts is also affected.
Summary of the invention
For the deficiency that prior art exists, the invention provides a kind of Semen Brassicae campestris and squeeze technique in advance.
For realizing object of the present invention, technical scheme of the present invention is as follows:
A kind of Semen Brassicae campestris squeezes technique in advance, and its processing step is as follows:
(1) technique is cleaned: sent into by vegetable seed in cleaner, large assorted and fine earth is removed in primary election first through fore worker, then carries out selection by winnowing process through main force's blower fan, has the grain throwing machine being located at front end to carry out impelling after cleaning again, clean out stone, send into magnetic drum afterwards and remove metal sundries;
(2) strip plate technique: sent in flaker by the vegetable seed after cleaning and carry out strip plate, the pressure of strip plate is 6-8MPa, and blank thickness is less than 0.5mm;
(3) Peng's metallization processes: blank is sent into bulking machine expanded, bulking machine has direct vapour and indirect vapour to add, both high pressure steam, the pressure of direct vapour high pressure steam is 0.6-0.65MPa, the high pressure steam of indirect vapour is 0.5-0.55MPa, swelling temperature 110-115 DEG C, discharging at 11%-13%, obtains puffing material containing water management;
(4) oven dry of puffing material: puffing material is sent into plate dryer and pre-squeezer assists frying pan to dry, the water tariff collection after oven dry is about 2%;
(5) the pre-squeezing of puffing material: by add in the puffing material after drying suitable proportion without confused flour beetle chaff, fully send in low temperature pre-press after mixing and carry out cold press, acquisition cold press crude oil and cold press cake;
(6) leaching of pre-pressed cake: pre-pressed cake is sent into leacher, adjusts the flow of solvent pump, and fresh solvent sprays 2-3 time at each material lattice, and leaching cycle asks 120min, obtains crude oil and rapeseed meal after leaching;
Preferably, in step (3), blank enters the temperature of charge of bulking machine at 30-40 DEG C, goes out the temperature of bulking machine at 90-105 DEG C.
Preferably, in step (3), the speed of mainshaft of bulking machine controls at 320-350r/min.
Preferably, in step (4), bake out temperature is 120-150 DEG C, and Peng's material being dried to water content is 10-11%;
Preferably, in step (5), every 100kg Semen Brassicae campestris raw material adds 5-7kg cavings, and it squeezes environment is in advance nitrogen environment.
Preferably, material level accounts for the 60-80% of material lattice in step (6), and solvent is 0.7-0.9 with the volume ratio entering immersion oil material, and entering to soak temperature is 55 DEG C.
Beneficial effect: the invention provides a kind of Semen Brassicae campestris and squeeze technique in advance, its processing step mainly comprise clean technique, roll embryo technique, the oven dry of Peng's metallization processes, puffing material, the pre-squeezing of puffing material, the leaching of pre-pressed cake, this technology generations is fried for steaming, using bulking machine instead carries out not fuel-displaced expanded to blank, stronger to the destruction of material base cell walls than steaming stir-fry operation.Expanded owing to carrying out, require also greatly to reduce to the strip plate of Semen Brassicae campestris, blank thickness is less than 0.5mm.Refining consumption is also relatively low, and due to hyther in puffing process, phosphoric acid ester and lipoxidase are passivated, and the phospholipids content in crude oil is reduced, and the refining consumption of crude oil reduces.Present invention process is stablized, easy to implement, and energy-saving consumption-reducing, is suitable for extensive popularization.
Embodiment
The technique means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
Embodiment 1:
A kind of Semen Brassicae campestris squeezes technique in advance, and its processing step is as follows:
(1) technique is cleaned: sent into by vegetable seed in cleaner, large assorted and fine earth is removed in primary election first through fore worker, then carries out selection by winnowing process through main force's blower fan, has the grain throwing machine being located at front end to carry out impelling after cleaning again, clean out stone, send into magnetic drum afterwards and remove metal sundries;
(2) strip plate technique: sent in flaker by the vegetable seed after cleaning and carry out strip plate, the pressure of strip plate is 6MPa, and blank thickness is less than 0.5mm;
(3) Peng's metallization processes: blank is sent into bulking machine expanded, bulking machine has direct vapour and indirect vapour to add, both high pressure steam, the pressure of direct vapour high pressure steam is 0.6MPa, and the high pressure steam of indirect vapour is 0.5MPa, swelling temperature 110 DEG C, discharging is containing water management 11%, and blank enters the temperature of charge of bulking machine at 30 DEG C, goes out the temperature of bulking machine at 90 DEG C, wherein the speed of mainshaft of bulking machine controls at 320r/min, obtains puffing material;
(4) oven dry of puffing material: puffing material is sent into plate dryer and pre-squeezer assists frying pan to dry, bake out temperature is 120 DEG C, and the water tariff collection after oven dry is about 2%;
(5) the pre-squeezing of puffing material: by dry after puffing material in add suitable proportion without confused flour beetle chaff, every 100kg Semen Brassicae campestris raw material adds 5kg cavings, send into after abundant mixing in low temperature pre-press and carry out cold press, obtain cold press crude oil and cold press cake, it squeezes environment is in advance nitrogen environment;
(6) leaching of pre-pressed cake: pre-pressed cake is sent into leacher, adjust the flow of solvent pump, fresh solvent sprays 2 times at each material lattice, material level accounts for 60% of material lattice, solvent is 0.7 with the volume ratio entering immersion oil material, entering to soak temperature is 55 DEG C, and leaching cycle asks 120min, obtains crude oil and rapeseed meal after leaching;
Embodiment 2:
A kind of Semen Brassicae campestris squeezes technique in advance, and its processing step is as follows:
(1) technique is cleaned: sent into by vegetable seed in cleaner, large assorted and fine earth is removed in primary election first through fore worker, then carries out selection by winnowing process through main force's blower fan, has the grain throwing machine being located at front end to carry out impelling after cleaning again, clean out stone, send into magnetic drum afterwards and remove metal sundries;
(2) strip plate technique: sent in flaker by the vegetable seed after cleaning and carry out strip plate, the pressure of strip plate is 7MPa, and blank thickness is less than 0.5mm;
(3) Peng's metallization processes: blank is sent into bulking machine expanded, bulking machine has direct vapour and indirect vapour to add, both high pressure steam, the pressure of direct vapour high pressure steam is 0.63MPa, and the high pressure steam of indirect vapour is 0.53MPa, swelling temperature 113 DEG C, blank enters the temperature of charge of bulking machine at 35 DEG C, go out the temperature of bulking machine at 100 DEG C, wherein the speed of mainshaft of bulking machine controls to contain water management 12% in 340r/min discharging, obtains puffing material;
(4) oven dry of puffing material: puffing material is sent into plate dryer and pre-squeezer assists frying pan to dry, bake out temperature is 130 DEG C, and the water tariff collection after oven dry is about 2%;
(5) the pre-squeezing of puffing material: by dry after puffing material in add suitable proportion without confused flour beetle chaff, every 100kg Semen Brassicae campestris raw material adds 6kg cavings, send into after abundant mixing in low temperature pre-press and carry out cold press, obtain cold press crude oil and cold press cake, it squeezes environment is in advance nitrogen environment;
(6) leaching of pre-pressed cake: pre-pressed cake is sent into leacher, adjust the flow of solvent pump, fresh solvent sprays 2 times at each material lattice, leaching cycle asks 120min, material level accounts for 70% of material lattice, solvent is 0.8 with the volume ratio entering immersion oil material, and entering to soak temperature is 55 DEG C, obtains crude oil and rapeseed meal after leaching;
Embodiment 3:
A kind of Semen Brassicae campestris squeezes technique in advance, and its processing step is as follows:
(1) technique is cleaned: sent into by vegetable seed in cleaner, large assorted and fine earth is removed in primary election first through fore worker, then carries out selection by winnowing process through main force's blower fan, has the grain throwing machine being located at front end to carry out impelling after cleaning again, clean out stone, send into magnetic drum afterwards and remove metal sundries;
(2) strip plate technique: sent in flaker by the vegetable seed after cleaning and carry out strip plate, the pressure of strip plate is 8MPa, and blank thickness is less than 0.5mm;
(3) Peng's metallization processes: blank is sent into bulking machine expanded, bulking machine has direct vapour and indirect vapour to add, both high pressure steam, the pressure of direct vapour high pressure steam is 0.65MPa, and the high pressure steam of indirect vapour is 0.55MPa, swelling temperature 115 DEG C, blank enters the temperature of charge 40 DEG C of bulking machine, and go out the temperature of bulking machine at 105 DEG C, the speed of mainshaft of middle bulking machine controls at 350r/min, discharging 13%, obtains puffing material containing water management;
(4) oven dry of puffing material: puffing material is sent into plate dryer and pre-squeezer assists frying pan to dry, bake out temperature is 150 DEG C, and the water tariff collection after oven dry is about 2%;
(5) the pre-squeezing of puffing material: by dry after puffing material in add suitable proportion without confused flour beetle chaff, every 100kg Semen Brassicae campestris raw material adds 7kg cavings, send into after abundant mixing in low temperature pre-press and carry out cold press, obtain cold press crude oil and cold press cake, pre-squeezing environment is nitrogen environment;
(6) leaching of pre-pressed cake: pre-pressed cake is sent into leacher, adjust the flow of solvent pump, fresh solvent sprays 3 times at each material lattice, leaching cycle asks 120min, material level accounts for 80% of material lattice, solvent is 0.9 with the volume ratio entering immersion oil material, and entering to soak temperature is 55 DEG C, obtains crude oil and rapeseed meal after leaching;
By above-mentioned 3 embodiments, from three groups of data in upper table, when using embodiment 2 processing parameter, the total oil yield of pre-squeezing is the highest, and leaching meal residual quantity is minimum, and total oil yield efficiency is the highest, is now more conducive to the pre-squeezing of Semen Brassicae campestris.
The invention provides a kind of Semen Brassicae campestris and squeeze technique in advance, its processing step mainly comprise clean technique, roll embryo technique, the oven dry of Peng's metallization processes, puffing material, the pre-squeezing of puffing material, the leaching of pre-pressed cake, this technology generations is fried for steaming, using bulking machine instead carries out not fuel-displaced expanded to blank, stronger to the destruction of material base cell walls than steaming stir-fry operation.Expanded owing to carrying out, require also greatly to reduce to the strip plate of Semen Brassicae campestris, blank thickness is less than 0.5mm.Refining consumption is also relatively low, and due to hyther in puffing process, phosphoric acid ester and lipoxidase are passivated, and the phospholipids content in crude oil is reduced, and the refining consumption of crude oil reduces.Present invention process is stablized, easy to implement, and energy-saving consumption-reducing, is suitable for extensive popularization.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. Semen Brassicae campestris squeezes a technique in advance, it is characterized in that, its processing step is as follows:
(1) technique is cleaned: sent into by vegetable seed in cleaner, large assorted and fine earth is removed in primary election first through fore worker, then carries out selection by winnowing process through main force's blower fan, has the grain throwing machine being located at front end to carry out impelling after cleaning again, clean out stone, send into magnetic drum afterwards and remove metal sundries;
(2) strip plate technique: sent in crushing roll by the vegetable seed after cleaning and carry out rolling embryo, the pressure of strip plate is 6-8MPa, and blank thickness is less than 0.5mm;
(3) Peng's metallization processes: blank is sent into bulking machine expanded, bulking machine has direct vapour and indirect vapour to add, both high pressure steam, the pressure of direct vapour high pressure steam is 0.6-0.65MPa, the high pressure steam of indirect vapour is 0.5-0.55MPa, swelling temperature 110-115 DEG C, discharging at 11%-13%, obtains puffing material containing water management;
(4) oven dry of puffing material: puffing material is sent into plate dryer and pre-squeezer assists frying pan to dry, the water tariff collection after oven dry is about 2%;
(5) the pre-squeezing of puffing material: by add in the puffing material after drying suitable proportion without confused flour beetle chaff, fully send in low temperature pre-press after mixing and carry out cold press, acquisition cold press crude oil and cold press cake;
(6) leaching of pre-pressed cake: pre-pressed cake is sent into leacher, adjusts the flow of solvent pump, and fresh solvent sprays 2-3 time at each material lattice, and leaching cycle asks 120min, obtains crude oil and rapeseed meal after leaching.
2. a kind of rape oil seed according to claim 1 squeezes technique in advance, it is characterized in that, in step (3), blank enters the temperature of charge of bulking machine at 30-40 DEG C, goes out the temperature of bulking machine at 90-105 DEG C.
3. a kind of Semen Brassicae campestris according to claim 1 squeezes technique in advance, it is characterized in that, in step (3), the speed of mainshaft of bulking machine controls at 320-350r/min.
4. a kind of Semen Brassicae campestris according to claim 1 squeezes technique in advance, it is characterized in that, in step (4), bake out temperature is 120-150 DEG C, and Peng's material being dried to water content is 10-11%.
5. a kind of Semen Brassicae campestris according to claim 1 squeezes technique in advance, it is characterized in that, in step (5), every 100kg Semen Brassicae campestris raw material adds 5-7kg cavings, and it squeezes environment is in advance nitrogen environment.
6. a kind of Semen Brassicae campestris according to claim 1 squeezes technique in advance, it is characterized in that, material level accounts for the 60-80% of material lattice in step (6), and solvent is 0.7-0.9 with the volume ratio entering immersion oil material, and entering to soak temperature is 55 DEG C.
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| CN201410380106.9A CN104232291A (en) | 2014-08-04 | 2014-08-04 | Rapeseed pre-pressing process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105695084A (en) * | 2016-01-22 | 2016-06-22 | 厦门银祥油脂有限公司 | Processing method for decreasing blue value amplification of fourth-grade rapeseed oil processed by imported rapeseeds |
| CN106190538A (en) * | 2016-08-31 | 2016-12-07 | 东台市苏北油脂有限公司 | The processing technique of Luzhou-flavor Oleum Brassicae campestris |
| CN110343565A (en) * | 2019-08-21 | 2019-10-18 | 嘉里粮油（营口）有限公司 | A kind of expansion extraction oil technique, edible fat production technique and device |
| CN111234917A (en) * | 2020-03-05 | 2020-06-05 | 中国农业科学院油料作物研究所 | Preparation method of cold-pressed rapeseed oil rich in Canoll |
| CN111231399A (en) * | 2020-01-10 | 2020-06-05 | 蒋天勤 | Processing technology for pressing and preparing rolled blank by camellia oil |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105695084A (en) * | 2016-01-22 | 2016-06-22 | 厦门银祥油脂有限公司 | Processing method for decreasing blue value amplification of fourth-grade rapeseed oil processed by imported rapeseeds |
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| CN106190538A (en) * | 2016-08-31 | 2016-12-07 | 东台市苏北油脂有限公司 | The processing technique of Luzhou-flavor Oleum Brassicae campestris |
| CN110343565A (en) * | 2019-08-21 | 2019-10-18 | 嘉里粮油（营口）有限公司 | A kind of expansion extraction oil technique, edible fat production technique and device |
| CN111231399A (en) * | 2020-01-10 | 2020-06-05 | 蒋天勤 | Processing technology for pressing and preparing rolled blank by camellia oil |
| CN111234917A (en) * | 2020-03-05 | 2020-06-05 | 中国农业科学院油料作物研究所 | Preparation method of cold-pressed rapeseed oil rich in Canoll |
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Application publication date: 20141224 |