CN105349256A - Refining process based on peony seed oil squeezing process - Google Patents

Abstract

The invention discloses a refining process based on a peony seed oil squeezing process. The refining process comprises the following steps: raising the temperature of peony seed oil to be 60 DEG C while stirring, adding boiling water, dissolving salt into water, and stewing until separation between hydrated oil sediments and oil is qualified when the water temperature is higher than the oil temperature and colloidal particles start gathering; pumping clear crude oil into a pot, uniformly mixing the clear crude oil, uniformly spraying metered alkali liquor into oil, and starting filtering when the oil temperature is reduced to be 60 DEG C; heating the oil to 90 DEG C, adding a liquid-state discoloring adsorbent, enabling the oil to be in contact with the adsorbent for about 30 minutes, then cooling the oil to be 70 DEG C, and removing the discoloring adsorbent to obtain discolored oil. opening a steam valve and a cooling water valve of a steam-saving ejector vacuum pump, absorbing the discolored oil into a deodorization pot by utilizing vacuum, then opening a heat-conducting oil valve, starting direct steam, shutting down a heat-conducting oil temperature-raising system 30 minutes before deodorization so as to pump out deodorized clear oil. By virtue of the process, the oil quality of the finally obtained peony seed oil reaches edible level, and the oil is free from extraneous odor and bright in color and luster, so that the peony seed oil is safe for a consumer to eat and is high in value.

Description

Based on the refinery practice in peony seeds oil expression process

Technical field

The present invention relates to a kind of technique, especially relate to a kind of based on the refinery practice in peony seeds oil expression process.

Background technology

Oil press zhai refers to the effect by means of mechanical external force, the machine squeezed out from oil plant by grease.Oil press zhai raw material, namely oil crops are according to type divided into plant material and animal material, and in general production process, we are mainly based on plant material.And plant material divides pulse family class and seed section class and numb section class, peanut is beans material crop, is once peanut, fallen flowers ginseng in history, lands pine, Longevity, Fructus Fici etc.Peanut nourishes mends stomach, promotes longevity, among the people also known as " peanut ", and equally with soya bean is described as " Vegetable meat ", " meat or fish in element ".The nutritive value of peanut is higher than grain class, and can match in excellence or beauty with some animal foods such as egg, milk, meats, it contains a large amount of protein, and particularly the content of unsaturated fatty acids is very high, the various nutritive food of very suitable manufacture.Peanut is annual herb plant.Also be important oil crops, it is various in style, the chemical composition of general peanut is: moisture 5.33% ~ 9.16%, oil content 44.27% ~ 53.86%, carbohydrate 9.89% ~ 23.62%, protein 23.96% ~ 33.94%, phosphatidase 0 .5% ~ 1.5%, robust fibre 2.67% ~ 5.26%, ash content 1.75% ~ 2.58%, finds out thus, and peanut contains a large amount of oil contents and protein, be good oil crops, wherein protein 23.96% ~ 33.94% is than protein height 1.5-2.5 times of thin pork, beef and mutton; Than rice, flour height 5-13 doubly, and the digestibility coefficient of albumen is very high, and it is rich in the amino acid of needed by human body; The mineral substance such as VITMAIN B1 B6 and vitamins D, E and calcium phosphorus.China's peanut cultivation area occupies the second in the world.Series of Peanut product is deeply by the welcome of consumers in general for a long time.But blemish in an otherwise perfect thing is that " fat content of peanut is higher, and time edible, mouthfeel is excessively greasy, thus causes the generation of a series of fattiness disease of human body.North China's oil expression raw material mostly generally is peanut.Semen Brassicae campestris, is pakchoi again, bitter dish, is the young stem and leaf of cress rape, and originate in China, color is dark green, and side, as Chinese cabbage, belongs to the mutation of Cruciferae Chinese cabbage.North and south is widely cultivated, and the four seasons all have for producing.Containing various nutrients in rape, contained vitamins C enriches.Rape originates in western part of China, is distributed in the northwest of China, North China, the Inner Mongol and Yangtze valley each province and also extensively distributes all over the world.Containing multivitamin in rape oil, as vitamin A, vitamins D and vitamin-E, be the important sources of human body liposoluble vitamin.In rape oil, content of vitamin E enriches, and reaches 60 milligrams/100 grams oil, especially A type content of vitamin E up to 13 milligrams/100 grams of oil, be 2.6 times of soybean oil, and reduce few after standing storage and heating, can be used as the source of food vitamins E.Semen Brassicae campestris oil-containing 45%, linoleic acid content also rises to about 20%, similar to tea oil, peanut oil to making the lipid acid of low erucic acid rape oil form.Oil is a kind of emerging woody oleiferous plants crop with tree peony, possesses the feature of outstanding " three high and one low ": high production, raw per mu yield in 5 years can reach 300 kilograms, and mu comprehensive benefit can reach ten thousand yuan, high oil length, seed oil length 22%, high-quality, unsaturated fatty acid content 92%, low cost, the Gansu oil drought-enduring impoverishment tolerant of tree peony, is applicable to green barren hill afforestation, underwood planting; Within 1 year, kind a century is received, and cost is low.Owing to there is the situations such as oily peculiar smell after peony seeds oil expression, people cannot be met and use, cause its value to embody.

Summary of the invention

The object of the invention is to overcome the above-mentioned existing situations such as the oily peculiar smell of rear appearance of extracting oil due to peony seeds, people cannot be met use, cause the problem that its value cannot embody, devise a kind of based on the refinery practice in peony seeds oil expression process, this technique can make the peony seed oil oil finally obtained reach food sanitation standard, free from extraneous odour, bright color, make human consumer relieved edible, be worth high, solve existing owing to there is the situations such as oily peculiar smell after peony seeds oil expression, people cannot be met use, cause the problem that its value cannot embody.

Object of the present invention is achieved through the following technical solutions: based on the refinery practice in peony seeds oil expression process, comprise the following steps:

(1) to come unstuck aquation: be under agitation warming up to 60 DEG C, add the boiling water of 4-5 times of phosphorus content in oil, in water, dissolve in the salt that oil weighs 0.2%-0.3%, water temperature is higher than oil temperature, when micelle starts to assemble, namely start low rate mixing, and be warming up to 75 DEG C, when liquid level is obvious oil circuit, namely stop stir, leave standstill 3-5 hours, until hydrated oil foot be separated with grease qualified, release oil foot, obtain degummed oil and enter next program;

(2) lipin deacidifying: clear crude oil is pumped in pot, stir, oil temperature is made to rise to 60 DEG C, carry out rapid stirring simultaneously, rotating speed is 60 revs/min, the alkali lye measured evenly is sprayed in oil, continue rapid stirring, it is made fully to mix with oil, then change low rate mixing into, rotating speed is 30 revs/min, temperature is risen to 75 DEG C simultaneously, extremely oil and neat soap are in being obviously separated, when being easy to precipitation, stop air-blowing, allow neat soap sedimentation, leave standstill 3 hours, then wash with the hot water of a little higher than oil temperature, to eliminate the impurity such as neat soap remaining in oil, be down to 60 DEG C when oil temperature to start to filter, enter next program,

(3) decolour: adopt atlapulgite and add gac and make discoloring agent, decolouring grease is inhaled in Decolouring pot from storage tanker by vacuum action, and be heated to 90 DEG C under vacuo, the air in oil and moisture are divested thereupon, suck liquid decolorizing adsorbent again, decolorizing adsorbent oil heavy 1-5% between, be under the abundant agitation condition of absolute pressure 8 kPas in vacuum, oil contact about 30 minutes with agent after, be cooled to 70 DEG C, with being pumped in filter, removing discoloring agent, obtains bleached oil;

(4) deodorization: steam valve and the cooling water valve of first opening solar term ejector vacuum pump, odor removing pot is vacuumized, when vacuum tightness reaches set(ting)value, drive fuel tap into, utilize vacuum that bleached oil is sucked odor removing pot, open thermal oil valve again, kettle temperature is risen to 190 DEG C, when intensification reaches 100 DEG C, namely open steam is opened, oil in pot is fully stirred, spray open steam about 3 hours, vacuum in whole deodorising process, residual voltage 0.13-0.8 kPa must be kept, direct emitted dose is about 5%-15% of processing grease weight, deodorization time arrives first 30 minutes, close thermal oil temperature elevation system, after oil deodorization completes, close open steam, open cooling unexpected winner, oil cooling less than 70 DEG C, finally close vacuum pump, vacuum breaker, pump deodorization edible vegetable oil.

In sum, the invention has the beneficial effects as follows: this technique can make the peony seed oil oil finally obtained reach food sanitation standard, free from extraneous odour, bright color, make human consumer relieved edible, be worth high, solve existing owing to there is the situations such as oily peculiar smell after peony seeds oil expression, people cannot be met and use, cause the problem that its value cannot embody.

Embodiment

Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.

Embodiment:

Based on the refinery practice in peony seeds oil expression process, comprise the following steps:

(1) to come unstuck aquation: be under agitation warming up to 60 DEG C, add the boiling water of 4-5 times of phosphorus content in oil, in water, dissolve in the salt that oil weighs 0.2%-0.3%, water temperature is higher than oil temperature, when micelle starts to assemble, namely start low rate mixing, and be warming up to 75 DEG C, when liquid level is obvious oil circuit, namely stop stir, leave standstill 3-5 hours, until hydrated oil foot be separated with grease qualified, release oil foot, obtain degummed oil and enter next program;

(2) lipin deacidifying: clear crude oil is pumped in pot, stir, oil temperature is made to rise to 60 DEG C, carry out rapid stirring simultaneously, rotating speed is 60 revs/min, the alkali lye measured evenly is sprayed in oil, continue rapid stirring, it is made fully to mix with oil, then change low rate mixing into, rotating speed is 30 revs/min, temperature is risen to 75 DEG C simultaneously, extremely oil and neat soap are in being obviously separated, when being easy to precipitation, stop air-blowing, allow neat soap sedimentation, leave standstill 3 hours, then wash with the hot water of a little higher than oil temperature, to eliminate the impurity such as neat soap remaining in oil, be down to 60 DEG C when oil temperature to start to filter, enter next program,

(3) decolour: adopt atlapulgite and add gac and make discoloring agent, decolouring grease is inhaled in Decolouring pot from storage tanker by vacuum action, and be heated to 90 DEG C under vacuo, the air in oil and moisture are divested thereupon, suck liquid decolorizing adsorbent again, decolorizing adsorbent oil heavy 1-5% between, be under the abundant agitation condition of absolute pressure 8 kPas in vacuum, oil contact about 30 minutes with agent after, be cooled to 70 DEG C, with being pumped in filter, removing discoloring agent, obtains bleached oil;

(4) deodorization: steam valve and the cooling water valve of first opening solar term ejector vacuum pump, odor removing pot is vacuumized, when vacuum tightness reaches set(ting)value, drive fuel tap into, utilize vacuum that bleached oil is sucked odor removing pot, open thermal oil valve again, kettle temperature is risen to 190 DEG C, when intensification reaches 100 DEG C, namely open steam is opened, oil in pot is fully stirred, spray open steam about 3 hours, vacuum in whole deodorising process, residual voltage 0.13-0.8 kPa must be kept, direct emitted dose is about 5%-15% of processing grease weight, deodorization time arrives first 30 minutes, close thermal oil temperature elevation system, after oil deodorization completes, close open steam, open cooling unexpected winner, oil cooling less than 70 DEG C, finally close vacuum pump, vacuum breaker, pump deodorization edible vegetable oil.

This technique can make the peony seed oil oil finally obtained reach food sanitation standard, free from extraneous odour, bright color, make human consumer relieved edible, be worth high, solve existing owing to there is the situations such as oily peculiar smell after peony seeds oil expression, people cannot be met use, cause the problem that its value cannot embody.

The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention, every according to technology of the present invention, method in fact to any simple modification, equivalent variations that above embodiment is done, all fall within protection scope of the present invention.

Claims (1)

1., based on the refinery practice in peony seeds oil expression process, it is characterized in that, comprise the following steps:

(1) to come unstuck aquation: be under agitation warming up to 60 DEG C, add the boiling water of 4-5 times of phosphorus content in oil, in water, dissolve in the salt that oil weighs 0.2%-0.3%, water temperature is higher than oil temperature, when micelle starts to assemble, namely start low rate mixing, and be warming up to 75 DEG C, when liquid level is obvious oil circuit, namely stop stir, leave standstill 3-5 hours, until hydrated oil foot be separated with grease qualified, release oil foot, obtain degummed oil and enter next program;

(2) lipin deacidifying: clear crude oil is pumped in pot, stir, oil temperature is made to rise to 60 DEG C, carry out rapid stirring simultaneously, rotating speed is 60 revs/min, the alkali lye measured evenly is sprayed in oil, continue rapid stirring, it is made fully to mix with oil, then change low rate mixing into, rotating speed is 30 revs/min, temperature is risen to 75 DEG C simultaneously, extremely oil and neat soap are in being obviously separated, when being easy to precipitation, stop air-blowing, allow neat soap sedimentation, leave standstill 3 hours, then wash with the hot water of a little higher than oil temperature, to eliminate the impurity such as neat soap remaining in oil, be down to 60 DEG C when oil temperature to start to filter, enter next program,

(3) decolour: adopt atlapulgite and add gac and make discoloring agent, decolouring grease is inhaled in Decolouring pot from storage tanker by vacuum action, and be heated to 90 DEG C under vacuo, the air in oil and moisture are divested thereupon, suck liquid decolorizing adsorbent again, decolorizing adsorbent oil heavy 1-5% between, be under the abundant agitation condition of absolute pressure 8 kPas in vacuum, oil contact about 30 minutes with agent after, be cooled to 70 DEG C, with being pumped in filter, removing discoloring agent, obtains bleached oil;

(4) deodorization: steam valve and the cooling water valve of first opening solar term ejector vacuum pump, odor removing pot is vacuumized, when vacuum tightness reaches set(ting)value, drive fuel tap into, utilize vacuum that bleached oil is sucked odor removing pot, open thermal oil valve again, kettle temperature is risen to 190 DEG C, when intensification reaches 100 DEG C, namely open steam is opened, oil in pot is fully stirred, spray open steam about 3 hours, vacuum in whole deodorising process, residual voltage 0.13-0.8 kPa must be kept, direct emitted dose is about 5%-15% of processing grease weight, deodorization time arrives first 30 minutes, close thermal oil temperature elevation system, after oil deodorization completes, close open steam, open cooling unexpected winner, oil cooling less than 70 DEG C, finally close vacuum pump, vacuum breaker, pump deodorization edible vegetable oil.