CN107312614B - Physical refining method of tea seed oil - Google Patents
Physical refining method of tea seed oil Download PDFInfo
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- CN107312614B CN107312614B CN201710538219.0A CN201710538219A CN107312614B CN 107312614 B CN107312614 B CN 107312614B CN 201710538219 A CN201710538219 A CN 201710538219A CN 107312614 B CN107312614 B CN 107312614B
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- oil
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- tea seed
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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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—Working-up
-
- 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
-
- 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
Abstract
The invention relates to a method for refining tea seed oil, which comprises the following steps: (1) picking: picking up tea fruits 3-4 days before and 7-8 days after the solar term of frost every year; (2) and (3) storage: putting the picked tea fruits in a room for retting for 3-7 days; (3) drying in the sun (4), removing dust, drying (5), separating shells and kernels (6), crushing tea seeds and kernels (7), and squeezing: squeezing the crushed tea seed kernels into crude oil and oil cakes in a low-temperature squeezer at the squeezing temperature of 30-55 ℃; (8) secondary squeezing of oil cakes: conveying the oil cake squeezed and extruded by the low-temperature squeezer to a vertical squeezer for secondary oil squeezing; (9) and (3) filtering: and (3) filtering the crude oil squeezed by the low-temperature squeezer and the oil secondarily squeezed by the vertical squeezer to obtain a finished product of the tea seed oil. The invention adopts the low-temperature presser and the vertical presser to press for two times, improves the oil yield of the product, improves the economic efficiency and is suitable for the production and processing requirements of medium and small enterprises.
Description
Technical Field
The invention belongs to the technical field of tea seed oil processing, and particularly relates to a physical refining method of tea seed oil.
Background
The tea oil is clear in color, fragrant in taste, high in oleic acid content, easy to digest and absorb by human bodies, beneficial to human health, durable in storage and not easy to rancidity, and therefore, the tea oil is a good storage substance, so that the tea oil plays an important role in eating, and has multiple purposes in various aspects such as industry, medicine, beauty treatment and the like. At present, tea seed oil is prepared by a plurality of methods, including extraction, supercritical carbon dioxide purification and other processes, but most of the processes have the defects of high extraction cost, expensive equipment, large investment capital and low oil yield, and are difficult to bear the high investment for small enterprises.
Disclosure of Invention
In order to solve the problems, the invention provides a physical refining method of tea seed oil, which adopts a physical refining method and has the advantages of low equipment cost and strong operability, and the oil yield is higher after the tea-oil tree is squeezed twice.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention relates to a method for refining tea seed oil, which comprises the following steps:
(1) picking: picking up tea fruits 3-4 days before and 7-8 days after the solar term of frost every year;
(2) and (3) storage: putting the picked tea fruits in a room for retting for 3-7 days;
(3) and (3) airing: insolating in the sun for 1-3 days, turning for 5-8 times every day or ventilating in indoor dry place for 1-2 days in cloudy day, and turning once every hour;
(4) dust removal and drying: the dried tea fruits enter a drying device through a dust removal device and a conveying device to be dried;
(5) separating shells and kernels: putting the tea fruit obtained in the step (4) into a hulling device for hull and kernel separation;
(6) crushing tea seed kernels: crushing the separated tea seed kernels in a crushing device;
(7) squeezing: squeezing the crushed tea seed kernels into crude oil and oil cakes in a low-temperature squeezer at the squeezing temperature of 30-55 ℃;
(8) secondary squeezing of oil cakes: conveying the oil cake squeezed and extruded by the low-temperature squeezer to a vertical squeezer through an oil cake discharge pipeline for secondary oil squeezing;
(9) and (3) filtering: performing multiple filtration on the crude oil squeezed by the low-temperature squeezer and the oil secondarily squeezed by the vertical squeezer through a filtering device to obtain a finished product of the tea seed oil;
wherein: the conveying device comprises a lifting conveying belt, and baffles are arranged on the left side and the right side of the lifting conveying belt;
the dust removing device comprises a suspension bracket which is obliquely arranged above the lifting conveyer belt, a plurality of dust removing fans are arranged below the suspension bracket, and a dust collecting box is arranged below the lifting conveyer belt;
the drying device comprises a feed hopper arranged on one side of the lifting conveying belt, a drying cylinder is arranged below the feed hopper, an electric heating belt layer is arranged on the outer side of the drying cylinder, a second conveying belt for conveying the oil tea fruits is arranged in the drying cylinder, a plurality of air cylinders are arranged above the drying cylinder, and a pressing plate is arranged below the air cylinders through sliding rods;
the shelling device comprises a shelling rotary drum driven by a motor, food-grade stainless steel balls are arranged in the shelling rotary drum, a drying drum is connected with the shelling rotary drum through a discharging sliding plate, a discharging slideway is arranged below the shelling rotary drum, a screen mesh for filtering tea seed kernels is inserted into the discharging slideway, a chute is obliquely arranged on one side above the screen mesh, a shell collecting barrel is arranged below the chute, and a material pushing plate driven by an extrusion cylinder is arranged on the other side above the screen mesh;
the crushing device comprises a crushing box, a crushing cutter group which is driven to rotate by a motor is arranged in the crushing box, and a low-temperature squeezer is arranged below the crushing box;
the filtering device comprises a filtering box body, and the oil outlet of the low-temperature squeezer is connected with the filtering box body.
An oil cake discharge pipeline is arranged at the oil cake discharge position of the low-temperature squeezer, one side of the oil cake discharge pipeline is connected with the vertical squeezer through the discharge pipeline, and oil squeezed by the vertical squeezer is connected with the upper end of the filter box body through an oil feeding pipeline.
The invention is further improved in that: a plurality of arc-shaped impact heads are arranged below the pressing plate, and sealing rings are arranged on the drying cylinder and at the positions where the sliding rods penetrate.
The invention is further improved in that: a pipeline is arranged between the crushing box and the discharging slide way, one side of the pipeline is provided with a screen, and the other side of the pipeline is provided with a blower.
The invention is further improved in that: the filtering box body is internally provided with filtering screens with 80 meshes, 100 meshes and 200 meshes from top to bottom in sequence for multiple filtering, and an oil filtering paper layer is also arranged below the 200 meshes filtering screen.
The invention is further improved in that: and a heat insulation layer is arranged on the outer side of the electric heating belt layer.
The invention is further improved in that: the stirring plate is inserted and arranged above the oil cake discharging pipeline, the stirring motor drives the stirring plate to rotate, a plurality of symmetrically arranged stirring rods are arranged on the stirring plate, and an oil residue collecting barrel is further arranged at one end of the vertical squeezer.
The invention has the beneficial effects that: the invention utilizes the combination of natural environment airing and heating drying to improve the drying speed, and removes dust before drying to improve the product quality, the pressing plate is utilized to extrude and break the shell of the oil-tea camellia fruit while drying, then the shell is separated by the friction extrusion of the steel ball in the shelling drum, the shell and the nutlet are separately collected, the nutlet is crushed and squeezed to obtain the finished oil, and a low-temperature squeezer and a vertical squeezer are adopted for twice squeezing, so that the oil yield of the product is improved, and the economic efficiency is improved.
The tea seed low-temperature squeezing multi-stage filtering device is simple in structure, reasonable and novel in design and convenient to operate, and the yield of tea seeds is improved by adopting a low-temperature squeezing one-stage multi-stage filtering method.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1, the invention is a method for refining tea seed oil, which comprises the following steps:
(1) picking: tea fruits are manually picked 3-4 days before frost solar terms and 7-8 days after frost solar terms every year, and the highest oil yield of the ripe tea fruits before and after frost solar terms can be ensured;
(2) and (3) storage: the picked tea fruits are placed in a room for retting for 3-7 days, preferably, the picked tea fruits are placed in the room for retting for 5 days, so that the tea fruits have the post-maturation effect, the oil content is increased, and the oil yield is improved;
(3) and (3) airing: the tea fruits are exposed to the sun for 1 to 3 days, turned for 5 to 8 times every day or ventilated for 1 to 2 days in a dry place in the shade every day, and turned once every hour, so that the uniform airing is ensured, the tea fruits are prevented from mildewing, and the sun is exposed to the sun or the shady place is used for ventilating and drying, so that the investment of resources such as electric energy and the like consumed by drying equipment in the later period is reduced to the maximum extent;
(4) dust removal and drying: the dried tea fruits enter a drying device through a dust removal device and a conveying device to be dried, and the tea fruits are subjected to dust removal treatment before being dried, so that the quality of the tea fruits is guaranteed to the maximum extent, dust pollution is reduced, the minimum amount of impurities in the tea fruits to be crushed is guaranteed, and the procedures of crushing, filtering and the like are reduced;
(5) separating shells and kernels: putting the tea fruit obtained in the step (4) into a hulling device for hull and kernel separation;
(6) crushing tea seed kernels: crushing the separated tea seed kernels in a crushing device;
(7) squeezing: squeezing the crushed tea seed kernels into crude oil and oil cakes in a low-temperature squeezing machine at the squeezing temperature of 30-55 ℃ by adopting low-pressure squeezing to avoid the tea oil components from being damaged at high temperature;
(8) secondary squeezing of oil cakes: the oil cake squeezed and extruded by the low-temperature squeezer is conveyed to the vertical squeezer through the oil cake discharge pipeline for secondary oil squeezing, the oil yield of the product is higher after the secondary oil squeezing, and the oil cake squeezed for the first time is broken up before the secondary oil squeezing and then squeezed, so that the oil yield is improved;
(9) and (3) filtering: performing multiple filtration on the crude oil squeezed by the low-temperature squeezer and the oil secondarily squeezed by the vertical squeezer through a filtering device to obtain a finished product of the tea seed oil, and filtering the oil after the two times of squeezing through the filtering device;
wherein: the conveying device comprises a lifting conveying belt 1, baffle plates 2 are further arranged on the left side and the right side of the lifting conveying belt 1, impurities such as dust on the surfaces of tea fruits are treated in the lifting process of the lifting conveying belt 1, the quality of dried tea fruits after cracking is guaranteed, the dust removing device comprises a suspension frame 3 which is arranged above the lifting conveying belt 1 and is obliquely arranged, a plurality of dust removing fans 4 are arranged below the suspension frame 3, preferably, the number of the dust removing fans 4 is 3-5, the dust removing fans blow the tea fruits on the lifting conveying belt 1, the dust on the tea fruits can fall into a dust receiving box 5 below the dust receiving box, and the dust receiving box 5 is arranged below the lifting conveying belt 1; the dust collecting box 5 is directly arranged below the vehicle lifting conveying belt 1 to effectively collect dust, the drying device comprises a feeding hopper 6 arranged on one side of the lifting conveying belt 1, a drying cylinder 7 is arranged below the feeding hopper 6, an electric heating belt layer 8 is arranged on the outer side of the drying cylinder 7, a heat insulating layer 9 is arranged on the outer side of the electric heating belt layer 8, the heat insulating layer plays a role in heat insulation and can also prevent workers from being scalded, a second conveying belt 10 for conveying the oil-tea fruits is arranged inside the drying cylinder 7, a plurality of air cylinders 11 are arranged above the drying cylinder 7, a pressing plate 13 is arranged below the air cylinders 11 through sliding rods 12, a plurality of arc-shaped impact heads are arranged below the pressing plate 13, sealing rings 14 are arranged on the drying cylinder 7 and where the sliding rods 12 penetrate, the pressing plate is driven to move downwards through the air cylinders to extrude the oil-tea fruits for the first time, the shelling device comprises a shelling drum 16 driven by a motor 15, a food-grade stainless steel ball 17 is arranged in the shelling drum 16, the diameter of the steel ball 17 is larger than that of kernels, the drying cylinder 7 is connected with the shelling drum 16 through a discharging sliding plate 18, a discharging slideway 19 is arranged below the shelling drum 16, a screen 20 for filtering tea seed kernels is inserted in the discharging slideway 19, the diameter of a mesh on the screen 20 is larger than that of the kernels, so that the kernels can fall conveniently, but due to the breakage of the shells, a part of the shells can fall through the screen 20, a blower is added for the purpose, small pieces of shells can be blown out conveniently, a chute 21 is obliquely arranged on one side above the screen 20, a shell collecting barrel 22 is arranged below the sliding chute 21, a material pushing plate 40 driven by an extrusion cylinder 23 is arranged on the other side above the screen mesh 20, the shell is pushed into the shell collecting barrel 22 by the extrusion cylinder 23 for collection, the crushing device comprises a crushing box 24, a pipeline 25 is arranged between the crushing box 24 and the discharging slideway 19, a screen mesh 26 is arranged on one side of the pipeline 25, a blower 27 is arranged on the other side of the pipeline 25 for blowing out fine impurities, a crushing cutter group 28 driven to rotate by a motor is arranged in the crushing box 24, and a low-temperature presser 29 is arranged below the crushing box 24; the filtering device comprises a filtering box body 30, an oil outlet of the low-temperature squeezer 29 is connected with the filtering box body 30, filtering nets with 80 meshes, 100 meshes and 200 meshes are sequentially arranged in the filtering box body 30 from top to bottom for multiple filtering, an oil filtering paper layer 31 is further arranged below the filtering net with 200 meshes, an oil cake discharging pipeline 32 is arranged at an oil cake discharging position of the low-temperature squeezer 29, one side of the oil cake discharging pipeline 32 is connected with a vertical squeezer 37 through a discharging pipeline 36, oil squeezed out by the vertical squeezer 37 is connected with the upper end of the filtering box body 30 through an oil feeding pipeline 38, a stirring plate 34 which drives the rotation through a stirring motor 33 is inserted and arranged above the oil cake discharging pipeline 32, a plurality of symmetrically arranged stirring rods 35 are arranged on the stirring plate 34, and an oil residue collecting barrel 39 is further arranged at one end of the vertical squeezer 37, the tea seed kernels are crushed and then are subjected to multiple filtration, so that the quality of the product is improved, no additive component is needed in the process of extracting the tea seed oil, the natural performance of the product is guaranteed, the extraction cost is low, the oil yield is high, and the tea seed oil extraction method is suitable for production of small and medium-sized enterprises.
Claims (6)
1. A physical refining method of tea seed oil is characterized by comprising the following steps: the refining method comprises the following steps:
(1) picking: picking up tea fruits 3-4 days before and 7-8 days after the solar term of frost every year;
(2) and (3) storage: putting the picked tea fruits in a room for retting for 3-7 days;
(3) and (3) airing: insolating in the sun for 1-3 days, turning for 5-8 times every day or ventilating in indoor dry place for 1-2 days in cloudy day, and turning once every hour;
(4) dust removal and drying: the dried tea fruits enter a drying device through a dust removal device and a conveying device to be dried;
(5) separating shells and kernels: putting the tea fruit obtained in the step (4) into a hulling device for hull and kernel separation;
(6) crushing tea seed kernels: crushing the separated tea seed kernels in a crushing device;
(7) squeezing: squeezing the crushed tea seed kernels into crude oil and oil cakes in a low-temperature squeezer at the squeezing temperature of 30-55 ℃;
(8) secondary squeezing of oil cakes: conveying the oil cake squeezed and extruded by the low-temperature squeezer to a vertical squeezer through an oil cake discharge pipeline for secondary oil squeezing;
(9) and (3) filtering: performing multiple filtration on the crude oil squeezed by the low-temperature squeezer and the oil secondarily squeezed by the vertical squeezer through a filtering device to obtain a finished product of the tea seed oil;
wherein: the conveying device comprises a lifting conveying belt (1), and baffles (2) are arranged on the left side and the right side of the lifting conveying belt (1);
the dust removal device comprises a suspension bracket (3) which is arranged above the lifting conveyer belt (1) in an inclined mode, a plurality of dust removal fans (4) are arranged below the suspension bracket (3), and a dust collection box (5) is arranged below the lifting conveyer belt (1);
the drying device comprises a feed hopper (6) arranged on one side of the lifting conveying belt (1), a drying cylinder (7) is arranged below the feed hopper (6), an electric heating belt layer (8) is arranged on the outer side of the drying cylinder (7), a second conveying belt (10) for conveying the oil tea fruits is arranged inside the drying cylinder (7), a plurality of air cylinders (11) are arranged above the drying cylinder (7), and a pressing plate (13) is arranged below the air cylinders (11) through sliding rods (12);
the shelling device comprises a shelling rotary drum (16) driven by a motor (15), food-grade stainless steel balls (17) are arranged in the shelling rotary drum (16), the drying drum (7) is connected with the shelling rotary drum (16) through a discharging sliding plate (18), a discharging slide way (19) is arranged below the shelling rotary drum (16), a screen (20) for filtering tea seeds is inserted into the discharging slide way (19), a sliding groove (21) is obliquely arranged on one side above the screen (20), a shell collecting barrel (22) is arranged below the sliding groove (21), and a material pushing plate (40) is driven by an extruding cylinder (23) is arranged on the other side above the screen (20);
the crushing device comprises a crushing box (24), a crushing cutter group (28) driven to rotate by a motor is arranged in the crushing box (24), and a low-temperature presser (29) is arranged below the crushing box (24);
the filtering device comprises a filtering box body (30), and the oil outlet of the low-temperature squeezer (29) is connected with the filtering box body (30);
an oil cake discharge pipeline (32) is arranged at an oil cake discharge position of the low-temperature presser (29), a vertical presser (37) is connected to one side of the oil cake discharge pipeline (32) through a discharge pipeline (36), and oil squeezed out by the vertical presser (37) is connected with the upper end of the filter box body (30) through an oil feeding pipeline (38).
2. The physical refining method of tea seed oil as claimed in claim 1, wherein: a plurality of arc-shaped impact heads are arranged below the pressure plate (13), and sealing rings (14) are arranged on the drying cylinder (7) and at the positions where the sliding rods (12) penetrate.
3. The physical refining method of tea seed oil as claimed in claim 1, wherein: a pipeline (25) is arranged between the crushing box (24) and the discharging slide way (19), a screen (26) is arranged on one side of the pipeline (25), and a blower (27) is arranged on the other side of the pipeline (25).
4. The physical refining method of tea seed oil as claimed in claim 1, wherein: the filtering box body (30) is internally provided with filtering nets with filtering holes of 80 meshes, 100 meshes and 200 meshes from top to bottom in sequence for multiple filtering, and an oil filtering paper layer (31) is also arranged below the 200-mesh filtering net.
5. The physical refining method of tea seed oil as claimed in claim 1, wherein: and a heat insulation layer (9) is arranged on the outer side of the electric heating belt layer (8).
6. The physical refining method of tea seed oil as claimed in claim 1, wherein: the oil cake discharging pipeline is characterized in that a stirring plate (34) driven to rotate by a stirring motor (33) is inserted into the upper portion of the oil cake discharging pipeline (32), a plurality of symmetrically arranged stirring rods (35) are arranged on the stirring plate (34), and an oil residue collecting barrel (39) is further arranged at one end of a vertical squeezer (37).
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| CN201710538219.0A CN107312614B (en) | 2017-07-04 | 2017-07-04 | Physical refining method of tea seed oil |
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| CN201710538219.0A CN107312614B (en) | 2017-07-04 | 2017-07-04 | Physical refining method of tea seed oil |
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| CN107312614B true CN107312614B (en) | 2020-12-29 |
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| CN108466445A (en) * | 2018-03-21 | 2018-08-31 | 大连大学 | A kind of novel household garbage squeezes water-eliminating method and device |
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| CN109468165A (en) * | 2018-12-26 | 2019-03-15 | 福清老农民农产品贸易有限公司 | A kind of Squeeze Production Line equipment step by step of camellia oil |
| CN110328883B (en) * | 2019-07-25 | 2020-01-14 | 广东星汇生物科技有限公司 | Equipment for extracting oil from deodorized and deastringent tea seeds |
| CN110404932B (en) * | 2019-07-29 | 2021-03-16 | 河南中坤农业科技有限公司 | Peanut oil residue crusher |
| CN112552993A (en) * | 2020-11-20 | 2021-03-26 | 湘西倍益康农副产品开发有限公司 | Preparation method of camellia oil |
| WO2023082138A1 (en) * | 2021-11-11 | 2023-05-19 | 湖南大三湘茶油股份有限公司 | Fully automatic apparatus for peeling, screening and cold pressing of camellia oleifera seeds |
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Denomination of invention: A physical extraction method of tea seed oil Effective date of registration: 20230217 Granted publication date: 20201229 Pledgee: Anhui Langxi Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI KANGLONG AGRICULTURAL DEVELOPMENT Co.,Ltd. Registration number: Y2023980032854 |
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