CN113481052A - Preparation process of perilla seed oil with high oil yield - Google Patents
Preparation process of perilla seed oil with high oil yield Download PDFInfo
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- CN113481052A CN113481052A CN202110924269.9A CN202110924269A CN113481052A CN 113481052 A CN113481052 A CN 113481052A CN 202110924269 A CN202110924269 A CN 202110924269A CN 113481052 A CN113481052 A CN 113481052A
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- 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
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
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- 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
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
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- 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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- 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
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
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- 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
- C11B3/02—Refining fats or fatty oils by chemical reaction
Abstract
The invention relates to the technical field of preparation of perilla seed oil, in particular to a preparation process of perilla seed oil with high oil yield, which comprises the following steps: firstly, selecting a multifunctional impurity remover to remove impurities of perilla seeds, secondly, performing centrifugal dehydration on the perilla seeds after impurity removal and cleaning, thirdly, drying the dehydrated perilla seeds in a dryer, fourthly, selecting perilla seed shelling and sorting equipment to perform shelling treatment on the perilla seeds, fifthly, selecting a color selector to perform color sorting treatment on perilla seed kernels, sixthly, putting the perilla seed kernels subjected to color sorting into a hydraulic device to squeeze, seventhly, primarily filtering the perilla seeds in a plate filter press, eighthly, finely filtering primarily-filtered perilla seed primarily-pressed oil in a vacuum filter, and ninth, flowing perilla seed oil subjected to twice impurity removal such as perilla seed kernels into a sedimentation tank, standing to obtain natural and pure high-quality perilla seed oil, and obtaining the perilla seed oil with higher oil yield and higher quality after the preparation.
Description
Technical Field
The invention relates to the technical field of preparation of purple perilla seed oil, in particular to a preparation process of purple perilla seed oil with high oil yield.
Background
The perilla is an annual labiate herb, the stem, the leaf and the seeds are used as medicines, the tender leaf can be used for preparing tea, the seeds can also be used as oil, the perilla herb can be used for medicine and food, and the perilla herb is a plant which is firstly compiled in the famous book of homology of medicine and food. The whole body of perilla is treasure, its stem is called perilla stem, leaf is called perilla leaf, and its seed is called perilla seed. Caulis Perillae and folium Perillae are pungent and warm in flavor, have the effects of relieving exterior syndrome, dispelling cold, and regulating qi-flowing, and can be used for treating abdominal pain, diarrhea, emesis, etc. caused by common cold, fever, aversion to cold, no sweat, chest distress, and cough; perilla seeds have the effects of clearing phlegm, moistening lung and widening intestines, are mainly used for treating phlegm asthma, qi stagnation, constipation and other symptoms, the planting and application of the perilla seeds in China has the history of about 2000 years, and are mainly used for the aspects of medicine, eating, oil pressing and the like, in recent years, the perilla leaves are a multipurpose plant which is concerned by the world due to the specific active substances and nutritional ingredients thereof, the economic price is very high, and in Japan, Korea, America, Canada and other countries as well as southeast Asian coast cities of China, perilla leaves are eaten as high-quality food materials, and the high-purity perilla seeds obtained by the processes of impurity removal, shelling, color selection and the like contain 45% of oil and 25% of protein, and other components comprise oryzanol, vitamin E, vitamin B1, black alcohol, phospholipid and the like.
Perilla seed oil obtained by squeezing perilla seed kernels obtained by pretreating perilla seeds through a hydraulic process is natural oil with high unsaturation degree and is the highest alpha-linolenic acid content in all natural vegetable oil found at present, so that a perilla seed oil preparation process with high oil yield is provided.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a preparation process of perilla seed oil with high oil yield.
In order to achieve the purpose, the invention adopts the following technical scheme that the preparation process of the perilla seed oil with high oil yield is prepared according to the following steps:
firstly, selecting a multifunctional impurity remover to remove impurities of perilla seeds to obtain the perilla seeds with the purity of 99.9 percent, and then selecting a cleaning machine to clean the perilla seeds after removing the impurities;
secondly, performing centrifugal dehydration treatment on the perilla seeds subjected to impurity removal and cleaning;
thirdly, putting the dehydrated perilla seeds into a dryer for drying treatment;
fourthly, shelling and sorting equipment for perilla seeds is selected to obtain perilla seed kernels with the purity of 95 percent,
fifthly, selecting a color selector to perform color selection treatment on the perilla seed kernels, and selecting out mildewed granules to obtain high-quality perilla seed kernels with the purity of 99%;
sixthly, putting the purple perilla seed kernels subjected to color selection into hydraulic equipment, and squeezing out primary perilla seed oil and high-purity purple perilla seed meal in the purple perilla seed kernels at normal temperature;
seventhly, flowing the primary perilla seed oil into a plate filter press, and performing primary filtration treatment on the primary perilla seed oil;
eighthly, flowing the primarily filtered perilla seed primary oil into a vacuum filter, and performing fine filtration treatment on the primarily filtered perilla seed primary oil;
and ninth, flowing the perilla seed oil subjected to twice impurity removal such as perilla seed kernels into a sedimentation tank, and standing to obtain natural and pure high-quality perilla seed oil.
Preferably, the multifunctional impurity remover is a two-layer screen bottom, large impurities, fine soil and small impurities are firstly cleaned through primary screening of a front screen, and then the rear air separation cleaning before discharging is carried out by a main fan.
Preferably, the centrifugal dehydrator consists of a rotary drum and a screw conveyor with a hollow rotating shaft.
Preferably, the shelling treatment adopts an insolation method, the spreading thickness is 10-15 cm, and the continuous sunning is carried out for 2-3 days.
Preferably, the color selector consists of a feeding system, an optical detection system, a signal processing system and a separation execution system.
Preferably, the filter plates of the plate filter press are in a plane thread net shape, different filter membranes can be replaced, and the number of the filter plate layers can be appropriately reduced or increased.
Preferably, the vacuum filter comprises two types, one is filter membrane supporting pad made of porous glass, and the other is filter membrane supporting pad made of stainless steel screen mesh with PTFE coating.
Preferably, the sedimentation tank is of a honeycomb inclined tube counter-flow sedimentation tank structure, a scum collecting and removing device is arranged in the sedimentation tank, and the baffle plate should be 0.1-0.15 m higher than the water surface, 0.3-0.4 m immersed below the water surface and 0.25-0.5 m away from the water outlet.
Advantageous effects
The invention provides a preparation process of perilla seed oil with high oil yield. The method has the following beneficial effects:
(1) the process cleans the perilla seeds after impurity removal by selecting a cleaning machine, the multifunctional impurity removing machine is a two-layer sieve bottom, large impurities, fine soil and small impurities are cleaned by primary screening through a front sieve, and then the impurity removing function is enhanced by a back winnowing cleaning mode before discharging by a main fan, so that the impurity removing effect is better.
(2) The perilla seed oil preparation process with the high oil yield has the advantages that shelling treatment is carried out by an insolation method, the thickness of the flat spread perilla seed oil is 10-15 cm, and the perilla seed oil in the green period can be smoothly shelled and peeled in a continuous sunning mode for 2-3 days, so that redundant moisture in the perilla seed can be further taken out, and the subsequent oil extraction is higher in purity.
(3) The filtering plate of the plate filter press adopts a plane thread net shape, is not easy to deform and easy to clean, can effectively prolong the service life of various filtering membranes, can replace different filtering membranes and properly reduce or increase the number of the filtering plate layers, is more suitable for production requirements, and has the characteristic of wide application range.
(4) The vacuum filter can select two types, one type uses porous glass as a filter membrane supporting pad, and can ensure that the intercepted particles are uniformly distributed on the surface of the filter membrane, so that the vacuum filter is particularly suitable for collecting and counting particles, and the other type uses a stainless steel screen with a PTFE coating as a filter membrane supporting pad, and is suitable for collecting filtrate, such as applications of removing particles of a sample and the like.
(5) The purple perilla seed oil preparation process with high oil yield has the advantages that the sedimentation tank adopts a honeycomb inclined tube counter-current sedimentation tank structure, the sedimentation area is increased, the sedimentation efficiency is improved, and flocculation, flocculation sedimentation and removal are facilitated under the counter-current condition.
(6) The utility model provides a purple perilla seed oil preparation technology of high oil yield, the inside dross that is provided with of sedimentation tank is collected and the eduction gear, and the baffle should be higher than the surface of water 0.1 ~ 0.15m, submergence 0.3 ~ 0.4m below the surface of water, apart from the delivery port department 0.25 ~ 0.5m, has guaranteed out water quality of water for it is higher to prepare to obtain purple perilla seed oil yield, and the oil quality is higher.
Drawings
FIG. 1 is a schematic view of the overall process of the preparation process of perilla seed oil with high oil yield.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples with reference to fig. 1.
The first embodiment is as follows: a preparation process of perilla seed oil with high oil yield comprises the following steps: firstly, selecting a multifunctional impurity remover to remove impurities of perilla seeds to obtain the perilla seeds with the purity of 99.9 percent, then selecting a cleaning machine to clean the perilla seeds after removing the impurities, wherein the multifunctional impurity remover is a two-layer screen bottom, firstly, cleaning large impurities, fine soil and small impurities through primary screening of a front screen, then, carrying out back air separation cleaning before discharging by a main fan, secondly, carrying out centrifugal dehydration treatment on the perilla seeds after removing the impurities and cleaning, wherein a centrifugal dehydrator consists of a rotary drum and a spiral conveyor with a hollow rotating shaft, and thirdly, drying the perilla seeds after the dehydration in a dryer;
fourthly, selecting perilla seed shelling and sorting equipment to conduct shelling treatment on perilla seeds, conducting shelling treatment on the perilla seeds by an insolation method, paving the perilla seeds to be 10-15 cm thick, and conducting continuous sunning for 2-3 days to obtain perilla seed kernels with the purity of 95%, conducting color sorting treatment on the perilla seed kernels by a color sorter in the fifth step, sorting out mildewed particles to obtain high-quality perilla seed kernels with the purity of 99%, wherein the color sorter consists of a feeding system, an optical detection system, a signal processing system and a separation execution system, putting the perilla seed kernels subjected to color sorting into hydraulic equipment, and squeezing out primary perilla seed oil and high-purity perilla seed meal in the perilla seed kernels at normal temperature;
the seventh step is that the perilla seeds are primarily pressed oil and flow into a plate filter press, primary filtration treatment is carried out on the perilla seeds, filter plates of the plate filter press are in a plane thread net shape, different filter membranes can be replaced, the number of layers of the filter plates is properly reduced or increased, the primarily filtered perilla seeds are primarily pressed oil and flow into a vacuum filter in the eighth step, fine filtration treatment is carried out on the primarily filtered perilla seeds, the vacuum filter uses porous glass as a filter membrane supporting pad, ninth step is that perilla seeds oil which is filtered twice and contains impurities such as perilla seeds and kernels flows into a sedimentation tank, the sedimentation tank adopts a honeycomb inclined tube anisotropic flow sedimentation tank structure, a scum collecting and removing device is arranged inside the sedimentation tank, a baffle plate is higher than the water surface by 0.1-0.15 m, the perilla seeds are immersed under the water surface by 0.3-0.4 m and are 0.25-0.5 m away from a water outlet, and natural and pure high-quality perilla seeds oil is obtained after standing.
The process comprises the steps of cleaning the perilla seeds after impurity removal by using a cleaning machine, wherein the multifunctional impurity removing machine is a two-layer screen bottom, large impurities, fine soil and small impurities are cleaned by primary screening of a front screen, and then the impurity removing function is enhanced by a back air separation cleaning mode before discharging by using a main fan, the impurity removing effect is better, the shelling treatment in a sunny day adopts an insolation method, the perilla seeds are flatly laid to be 10-15 cm in thickness and are smoothly shelled and shelled in a continuous sunning mode for 2-3 days, excessive moisture in the perilla seeds can be further taken out, the purity is higher in the follow-up oil extraction, the plate filter plate is in a plane thread net shape, the plate filter plate is not easy to deform and clean, the service lives of various filter membranes can be effectively prolonged, different filter membranes can be replaced, the number of layers can be properly reduced or increased, the production requirement is more suitable, and the process has the characteristic of wide application range, the vacuum filter selects porous glass as a filter membrane supporting pad, which can ensure that intercepted particles are uniformly distributed on the surface of the filter membrane, thereby being particularly suitable for collecting and counting particulate matters, the sedimentation tank adopts a honeycomb inclined tube counter flow sedimentation tank structure, the sedimentation area is increased, the sedimentation efficiency is improved, the flocculation, flocculation sedimentation and removal are facilitated under the condition of counter flow, a scum collecting and removing device is arranged in the sedimentation tank, a baffle plate is 0.1-0.15 m higher than the water surface, is immersed 0.3-0.4 m below the water surface and is 0.25-0.5 m away from the water outlet, the water quality of effluent is ensured, natural and pure high-quality perilla seed oil is obtained after standing, so that the perilla seed oil obtained after preparation has higher oil yield and higher oil quality.
Example two: a preparation process of perilla seed oil with high oil yield comprises the following steps: a preparation process of perilla seed oil with high oil yield comprises the following steps: firstly, selecting a multifunctional impurity remover to remove impurities of perilla seeds to obtain the perilla seeds with the purity of 99.9 percent, then selecting a cleaning machine to clean the perilla seeds after removing the impurities, wherein the multifunctional impurity remover is a two-layer screen bottom, firstly, cleaning large impurities, fine soil and small impurities through primary screening of a front screen, then, carrying out back air separation cleaning before discharging by a main fan, secondly, carrying out centrifugal dehydration treatment on the perilla seeds after removing the impurities and cleaning, wherein a centrifugal dehydrator consists of a rotary drum and a spiral conveyor with a hollow rotating shaft, and thirdly, drying the perilla seeds after the dehydration in a dryer;
fourthly, selecting perilla seed shelling and sorting equipment to conduct shelling treatment on perilla seeds, conducting shelling treatment on the perilla seeds by an insolation method, paving the perilla seeds to be 10-15 cm thick, and conducting continuous sunning for 2-3 days to obtain perilla seed kernels with the purity of 95%, conducting color sorting treatment on the perilla seed kernels by a color sorter in the fifth step, sorting out mildewed particles to obtain high-quality perilla seed kernels with the purity of 99%, wherein the color sorter consists of a feeding system, an optical detection system, a signal processing system and a separation execution system, putting the perilla seed kernels subjected to color sorting into hydraulic equipment, and squeezing out primary perilla seed oil and high-purity perilla seed meal in the perilla seed kernels at normal temperature;
the seventh step is that the perilla seeds are primarily pressed oil and flow into a plate filter press, primary filtration treatment is carried out on the perilla seeds, filter plates of the plate filter press are in a plane thread net shape, different filter membranes can be replaced, the number of layers of the filter plates is properly reduced or increased, the primarily filtered perilla seeds are primarily pressed oil and flow into a vacuum filter in the eighth step, fine filtration treatment is carried out on the primarily filtered perilla seeds, the vacuum filter uses porous glass as a filter membrane supporting pad, ninth step is that perilla seeds oil which is filtered twice and contains impurities such as perilla seeds and kernels flows into a sedimentation tank, the sedimentation tank adopts a honeycomb inclined tube anisotropic flow sedimentation tank structure, a scum collecting and removing device is arranged inside the sedimentation tank, a baffle plate is higher than the water surface by 0.1-0.15 m, the perilla seeds are immersed under the water surface by 0.3-0.4 m and are 0.25-0.5 m away from a water outlet, and natural and pure high-quality perilla seeds oil is obtained after standing.
The process comprises the steps of cleaning the purple perilla seeds after impurity removal by a cleaning machine, wherein the multifunctional impurity removal machine is a two-layer screen bottom, cleaning large impurities, fine soil and small impurities by primary screening of a front screen, and then enhancing the impurity removal function by a rear air separation cleaning mode before discharging by a main fan, the impurity removal effect is better, when the purple perilla seeds are in cloudy and rainy days, a drying method is adopted for shelling, the drying machine is utilized for carrying out spiral stirring, sweeping and shoveling plate in the drying machine to propel materials to move, the whole drying process is completed, the purple perilla seeds after drying can also be smoothly shelled and peeled, excessive water in the purple perilla seeds can be further taken out, the purity is higher during subsequent oil extraction, the filter plates of a plate type filter press are in a plane thread net shape, the filter plates are not easy to deform and easy to clean, the service lives of various filter membranes can be effectively prolonged, and different filter membranes can be replaced, And properly reducing or increasing the number of filter plate layers, more suitable for production requirements and wide application range, wherein the vacuum filter selects porous glass as a filter membrane supporting pad, and can ensure that intercepted particles are uniformly distributed on the surface of the filter membrane, so that the vacuum filter is particularly suitable for collecting and counting particulate matters, the sedimentation tank adopts a honeycomb inclined tube counter flow sedimentation tank structure, the sedimentation area is increased, the sedimentation efficiency is improved, flocculation sedimentation and removal are facilitated under the condition of counter flow, a scum collecting and removing device is arranged in the sedimentation tank, a baffle plate is 0.1-0.15 m higher than the water surface, the baffle plate is immersed 0.3-0.4 m below the water surface and 0.25-0.5 m away from a water outlet, the effluent water quality is ensured, and natural and pure high-quality perilla seed oil is obtained after standing, so that the oil yield of the perilla seed oil obtained after preparation is higher, and the oil quality is higher.
Example three: a preparation process of perilla seed oil with high oil yield comprises the following steps: a preparation process of perilla seed oil with high oil yield comprises the following steps: firstly, selecting a multifunctional impurity remover to remove impurities of perilla seeds to obtain the perilla seeds with the purity of 99.9 percent, then selecting a cleaning machine to clean the perilla seeds after removing the impurities, wherein the multifunctional impurity remover is a two-layer screen bottom, firstly, cleaning large impurities, fine soil and small impurities through primary screening of a front screen, then, carrying out back air separation cleaning before discharging by a main fan, secondly, carrying out centrifugal dehydration treatment on the perilla seeds after removing the impurities and cleaning, wherein a centrifugal dehydrator consists of a rotary drum and a spiral conveyor with a hollow rotating shaft, and thirdly, drying the perilla seeds after the dehydration in a dryer;
fourthly, selecting perilla seed shelling and sorting equipment to conduct shelling treatment on perilla seeds, conducting shelling treatment on the perilla seeds by an insolation method, paving the perilla seeds to be 10-15 cm thick, and conducting continuous sunning for 2-3 days to obtain perilla seed kernels with the purity of 95%, conducting color sorting treatment on the perilla seed kernels by a color sorter in the fifth step, sorting out mildewed particles to obtain high-quality perilla seed kernels with the purity of 99%, wherein the color sorter consists of a feeding system, an optical detection system, a signal processing system and a separation execution system, putting the perilla seed kernels subjected to color sorting into hydraulic equipment, and squeezing out primary perilla seed oil and high-purity perilla seed meal in the perilla seed kernels at normal temperature;
the seventh step is that the perilla seed primarily-pressed oil flows into a plate filter press, primary filtration treatment is carried out on the perilla seed primarily-pressed oil, a filter plate of the plate filter press is in a plane thread net shape, different filter membranes can be replaced, the number of layers of the filter plate is properly reduced or increased, eighth step is that the primarily-filtered perilla seed primarily-pressed oil flows into a vacuum filter, fine filtration treatment is carried out on the perilla seed primarily-pressed oil, the vacuum filter is a stainless steel screen with a PTFE coating and serves as a filter membrane supporting pad, ninth step is that perilla seed oil with impurities such as perilla seed kernels filtered twice flows into a sedimentation tank, the sedimentation tank adopts a honeycomb inclined tube anisotropic flow sedimentation tank structure, a scum collecting and removing device is arranged inside the sedimentation tank, a baffle plate is 0.1-0.15 m higher than the water surface and is immersed in 0.3-0.4 m below the water surface and 0.25-0.5 m away from a water outlet, and natural high-quality pure perilla seed oil is obtained after standing.
The process comprises the steps of cleaning the purple perilla seeds after impurity removal by a cleaning machine, wherein the multifunctional impurity removing machine is a two-layer screen bottom, cleaning large impurities, fine soil and small impurities by primary screening of a front screen, and then cleaning by a back air separation before discharging by a main fan, so that the impurity removing function is enhanced, the impurity removing effect is better, at the moment, the purple perilla seeds after drying can be smoothly shelled and peeled by spirally stirring, sweeping and shoveling plates in a drying machine to push materials to move, the whole drying process is completed, the redundant water in the purple perilla seeds can be further taken out, the purity of subsequent oil extraction is higher, the filter plates of a plate type filter press are in a plane thread net shape, the purple perilla seeds are not easy to deform and easy to clean, the service lives of various filter membranes can be effectively prolonged, different filter membranes can be replaced, the number of filter plates can be properly reduced or increased, and the production requirement is better met, the vacuum filter has the characteristics of wide application range, the stainless steel screen with the PTFE coating is selected as a filter membrane supporting pad by the vacuum filter, the vacuum filter is suitable for collecting filtered liquid, the sedimentation tank adopts a honeycomb inclined tube counter-current sedimentation tank structure, the sedimentation area is increased, the sedimentation efficiency is improved, flocculation sedimentation and removal are facilitated under the condition of counter-current, a scum collecting and removing device is arranged inside the sedimentation tank, the baffle plate is 0.1-0.15 m higher than the water surface, is immersed 0.3-0.4 m below the water surface and is 0.25-0.5 m away from the water outlet, the effluent quality is ensured, and natural and pure high-quality perilla seed oil is obtained after standing, so that the perilla seed oil obtained after preparation has higher oil yield and higher oil quality.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied in the medium.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A preparation process of perilla seed oil with high oil yield is characterized by comprising the following steps: the preparation method comprises the following steps:
(1) selecting a multifunctional impurity remover to remove impurities of the perilla seeds to obtain the perilla seeds with the purity of 99.9 percent, and then selecting a cleaning machine to clean the perilla seeds after impurity removal;
(2) carrying out centrifugal dehydration treatment on the perilla seeds subjected to impurity removal and cleaning;
(3) putting the dehydrated perilla seeds into a dryer for drying;
(4) selecting perilla seed shelling and sorting equipment to carry out shelling treatment on perilla seeds to obtain perilla seed kernels with the purity of 95 percent;
(5) selecting a color selector to perform color selection treatment on the perilla seed kernels, and selecting mildewed particles to obtain high-quality perilla seed kernels with the purity of 99%;
(6) putting the purple perilla seed kernels subjected to color selection into hydraulic equipment, and squeezing out primary perilla seed oil and high-purity purple perilla seed meal in the purple perilla seed kernels at normal temperature;
(7) the primary perilla seed oil flows into a plate filter press to be subjected to primary filtration treatment;
(8) the primarily filtered perilla seed primary oil flows into a vacuum filter, and fine filtration treatment is carried out on the primarily filtered perilla seed primary oil;
(9) and allowing the perilla seed oil with impurities such as perilla seed kernels filtered twice to flow into a sedimentation tank, and standing to obtain natural and pure high-quality perilla seed oil.
2. The preparation process of perilla seed oil with high oil yield as claimed in claim 1, wherein the preparation process comprises the following steps: the multifunctional impurity removing machine is a two-layer screen bottom, large impurities, fine soil and small impurities are cleaned through primary screening of a front screen, and then rear winnowing cleaning is carried out by a main fan before discharging.
3. The preparation process of perilla seed oil with high oil yield as claimed in claim 1, wherein the preparation process comprises the following steps: the centrifugal dehydrator consists of a rotary drum and a spiral conveyor with a hollow rotary shaft.
4. The preparation process of perilla seed oil with high oil yield as claimed in claim 1, wherein the preparation process comprises the following steps: the shelling treatment adopts a solarization method, the thickness of the flat spread is 10-15 cm, and the continuous solarization is carried out for 2-3 days.
5. The preparation process of perilla seed oil with high oil yield as claimed in claim 1, wherein the preparation process comprises the following steps: the color selector consists of a feeding system, an optical detection system, a signal processing system and a separation execution system.
6. The preparation process of perilla seed oil with high oil yield as claimed in claim 1, wherein the preparation process comprises the following steps: the filter plate of the plate filter press adopts a plane thread net shape, and different filter membranes can be replaced, and the number of layers of the filter plate can be properly reduced or increased.
7. The preparation process of perilla seed oil with high oil yield as claimed in claim 1, wherein the preparation process comprises the following steps: the vacuum filter comprises two types, wherein one type uses porous glass as a filter membrane supporting pad, and the other type uses a stainless steel screen mesh with a PTFE coating as the filter membrane supporting pad.
8. The preparation process of perilla seed oil with high oil yield as claimed in claim 1, wherein the preparation process comprises the following steps: the sedimentation tank adopts a honeycomb inclined tube counter-current sedimentation tank structure, a scum collecting and discharging device is arranged in the sedimentation tank, and the baffle plate should be 0.1-0.15 m higher than the water surface, immersed 0.3-0.4 m below the water surface and 0.25-0.5 m away from the water outlet.
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