CN112295734A - High-purity acer truncatum seed shelling and separating method - Google Patents
High-purity acer truncatum seed shelling and separating method Download PDFInfo
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- CN112295734A CN112295734A CN202010874551.6A CN202010874551A CN112295734A CN 112295734 A CN112295734 A CN 112295734A CN 202010874551 A CN202010874551 A CN 202010874551A CN 112295734 A CN112295734 A CN 112295734A
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- acer truncatum
- separation
- seeds
- purity
- shells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N5/00—Machines for hulling, husking or cracking nuts
Abstract
The invention discloses a high-purity acer truncatum seed shelling and separating method which mainly comprises the processes of magnetic separation, hulling, wind screening, microwave heating, vacuum treatment, centrifugal husking, high-voltage electrostatic separation, fluidized suspension separation and color separation. The process of the invention adopts microwave and vacuum to treat acer truncatum buge seeds, promotes the separation of acer truncatum seeds and shells, separates the shells and the shells by adopting a triple process of high-voltage static electricity, fluidized suspension and color selection after the shells are peeled, removes mildewed particles, and can obtain the acer truncatum seeds with high purity and high quality. The process has the advantages of high yield of the Yuanbao Fengzhi kernels, clean separation of the shells and the kernels, no mildew grains and suitability for industrial production.
Description
Technical Field
The invention belongs to the field of oil shelling, and particularly relates to a shelling and separating method for high-purity acer truncatum seeds.
Background
The fruit of Acer truncatum Bunge is pterocarpus heterophyllus Bunge, and is named because the shape is similar to that of Acer truncatum Bunge. Many studies indicate that acer truncatum seeds are rich in grease, protein, and a small amount of reducing sugar, and do not contain starch. The oil content of the dry seeds is more than 40 percent, the vitamin E content in the oil is rich, the unsaturated fatty acid content is up to 90 percent, and the content of the special rare component nervonic acid is more than 5 percent. The acer truncatum shells and seed coats are rich in active tannin, can be used for clarifying beer and prolonging the shelf life, can also be used as a color fixing agent in the textile industry, and has particularly good effect. Therefore, the acer truncatum bunge seed coat and fruit wing resources are not only high-quality tanning material resources in industry, but also have important application value in medicine. However, due to the structural particularity of acer truncatum seeds, the separation of the shells and the kernels is difficult, so that the deep processing of the acer truncatum seeds is not well developed all the time, and therefore, the complete separation of the shells and the kernels is necessary.
Disclosure of Invention
The invention provides a high-purity acer truncatum seed shelling and separating method which has high purity and high efficiency and is suitable for industrial production in order to make up for the defects of the prior art.
The invention is realized by the following technical scheme:
a high-purity acer truncatum seed shelling and separating method mainly comprises the processes of magnetic separation, pod removal, wind power screening, microwave heating, vacuum treatment, centrifugal shelling, high-voltage electrostatic separation, fluidized suspension separation and color separation.
When the wind power is used for screening, the air flow speed is 15-22 m/s.
The moisture of the acer truncatum seeds is adjusted to 8-15% before microwave heating. The microwave heating time is 30min-90 min.
The vacuum treatment temperature is 50-70 deg.C, and the vacuum treatment time is 25-65 min.
The rotating speed of the centrifugal husking machine used for centrifugal husking is 2000-3000 r/min.
When high-voltage electrostatic separation is carried out, the static electricity is 5-15 ten thousand volts.
When the fluidization and suspension separation is carried out, the wind power suspension speed is 0.68-0.85 m/s.
The acer truncatum hulling device is used for acer truncatum hulling.
The color sorting uses a color CCD color sorter.
The invention has the beneficial effects that the acer truncatum seeds are pretreated by microwave heating and vacuum treatment, the microwave heating quickly vaporizes the moisture in the material to generate higher pressure, and the shell of the material is cracked, thereby realizing the shelling of the material. The vacuum treatment increases the pressure in the shell, and the shell is burst and shelled under the action of the pressure difference between the inside and the outside of the material shell. The two pretreatment methods can separate the shells and kernels of the acer truncatum seeds and are beneficial to husking. After husking, the husks and kernels can be completely separated by adopting high-voltage electrostatic separation, fluidized suspension separation and color sorting, and mildew grains can be completely removed, so that the husked acer truncatum bunge seeds with high cleanliness can be obtained.
Detailed Description
Example 1:
a high-purity acer truncatum seed shelling and separating method comprises the following specific steps:
the acer truncatum samara is magnetically separated by a magnetic separator, and magnetic metal impurities mixed in the acer truncatum samara are removed. Then removing the wings outside the winged fruit of the acer truncatum by acer truncatum hulling equipment, and screening the acer truncatum wings by using wind power screening equipment at the air flow speed of 15m/s to obtain wingless acer truncatum seeds. Regulating water content of wingless Acer Truncatum Bunge seed to 10%, and heating with microwave heating device for 30 min. Transferring microwave-treated Acer Truncatum Bunge seed into vacuum tank, heating to 50 deg.C, and vacuum-treating for 30 min. And after the treatment is finished, cooling, and transferring the acer truncatum seeds into a centrifugal husking machine for husking, wherein the rotating speed of the centrifugal husking machine is 2000 r/min. Then transferring the shelled materials into a high-voltage electrostatic separator, and separating out a shell and kernel mixture and unshelled whole grains by static electricity of 5 ten thousand volts. The unshelled whole grains continuously return to a centrifugal husking machine for husking, the husks are conveyed to an auxiliary material warehouse, the husk and kernel mixture is conveyed to a fluidized suspension separator again, the wind power suspension speed is 0.68m/s, and the husks and kernels are separated. Conveying the shell to an auxiliary material warehouse, conveying the kernels to a color CCD color sorter, and removing mildew grains to obtain shell-free and mildew-free acer truncatum seeds.
Example 2:
a high-purity acer truncatum seed shelling and separating method comprises the following specific steps:
the acer truncatum samara is magnetically separated by a magnetic separator, and magnetic metal impurities mixed in the acer truncatum samara are removed. Then removing the wings outside the acer truncatum samara through acer truncatum hulling equipment, screening the acer truncatum samara through wind power screening equipment at the air flow speed of 22m/s to obtain the acer truncatum seeds without the wings. Regulating water content of wingless Acer Truncatum Bunge seed to 15%, and heating with microwave heating device for 50 min. Transferring microwave-treated Acer Truncatum Bunge seed into vacuum tank, heating to 60 deg.C, and vacuum-treating for 40 min. And after the treatment is finished, cooling, and transferring the acer truncatum seeds into a centrifugal husking machine for husking, wherein the rotating speed of the centrifugal husking machine is 3000 r/min. Then transferring the shelled materials into a high-voltage electrostatic separator, separating out a shell and kernel mixture and unshelled whole grains by static electricity of 10 ten thousand volts. The unshelled whole grains continuously return to a centrifugal husking machine for husking, the husks are conveyed to an auxiliary material warehouse, the husk and kernel mixture is conveyed to a fluidized suspension separator again, the wind power suspension speed is 0.85m/s, and the husks and kernels are separated. Conveying the shell to an auxiliary material warehouse, conveying the kernels to a color CCD color sorter, and removing mildew grains to obtain shell-free and mildew-free acer truncatum seeds.
Example 3:
a high-purity acer truncatum seed shelling and separating method comprises the following specific steps:
the acer truncatum samara is magnetically separated by a magnetic separator, and magnetic metal impurities mixed in the acer truncatum samara are removed. Then removing the wings outside the winged fruit of the acer truncatum by acer truncatum hulling equipment, and screening the acer truncatum wings by using wind power screening equipment at the air flow velocity of 19m/s to obtain wingless acer truncatum seeds. Regulating moisture content of wingless Acer Truncatum Bunge seed to 13%, and heating with microwave heating device for 90 min. Transferring microwave-treated Acer Truncatum Bunge seed into vacuum tank, heating to 70 deg.C, and vacuum-treating for 65 min. And after the treatment is finished, cooling, transferring the acer truncatum seeds into a centrifugal husking machine for husking, transferring the husked materials into a high-voltage electrostatic separator, carrying out electrostatic 15 ten thousand volts, and separating a shell-kernel mixture and unshelled granules. And continuously returning the unhulled whole grains to a centrifugal husking machine for husking, wherein the rotating speed of the centrifugal husking machine is 2500 r/min. The shell is conveyed to an auxiliary material warehouse, the shell and kernel mixture is conveyed to a fluidization suspension separator again, the wind power suspension speed is 0.77m/s, and the shell and the kernel are separated. Conveying the shell to an auxiliary material warehouse, conveying the kernels to a color CCD color sorter, and removing mildew grains to obtain shell-free and mildew-free acer truncatum seeds.
Claims (3)
1. A high-purity acer truncatum seed shelling and separating method is characterized by comprising the following steps of: the method comprises the following steps:
(1) magnetic separation;
(2) removing pods;
(3) wind screening: using wind power screening equipment, wherein the air flow speed is 15-22 m/s;
(4) microwave heating: before microwave heating, the moisture of the acer truncatum seeds is adjusted to 8-15 percent; the microwave heating time is 30min-90 min;
(5) and (3) vacuum treatment: the temperature is 50-70 ℃, and the vacuum treatment time is 25-65 min;
(6) centrifugal husking: the rotating speed of the used centrifugal husking machine is 2000-3000 r/min;
(7) high-voltage electrostatic separation: static electricity is 5-15 ten thousand volts;
(8) fluidized suspension separation: the wind power suspension speed is 0.68-0.85 m/s;
(9) and (6) color selection.
2. The method for hulling and separating Acer truncatum seeds with high purity as claimed in claim 1, wherein in step 1, magnetic separation is performed by using a magnetic separator to remove metal impurities.
3. The method for hulling and separating Acer truncatum seeds with high cleanliness as recited in claim 1, wherein in the step 9, a color CCD color sorter is used for color sorting, and the mildewed grains are removed according to the color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874551.6A CN112295734A (en) | 2020-08-27 | 2020-08-27 | High-purity acer truncatum seed shelling and separating method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010874551.6A CN112295734A (en) | 2020-08-27 | 2020-08-27 | High-purity acer truncatum seed shelling and separating method |
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| CN112295734A true CN112295734A (en) | 2021-02-02 |
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| CN202010874551.6A Pending CN112295734A (en) | 2020-08-27 | 2020-08-27 | High-purity acer truncatum seed shelling and separating method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183737A (en) * | 2017-04-26 | 2017-09-22 | 镇江虎瑞生物科技有限公司 | A kind of Rhus succedanea seed shelling separation method |
| CN108479892A (en) * | 2018-03-23 | 2018-09-04 | 内蒙古丰吉妙农业产品科技开发有限公司 | A kind of Flaxseed peeling technique |
| CN109277304A (en) * | 2018-11-14 | 2019-01-29 | 祖柏实 | A kind of production equipment of continuous multi-stage screening shelling selection by winnowing peony seeds |
| WO2019174310A1 (en) * | 2018-03-16 | 2019-09-19 | 青岛理工大学 | High-efficiency automated production system for walnut shell-breaking, kernel-taking and shell-kernel separation |
-
2020
- 2020-08-27 CN CN202010874551.6A patent/CN112295734A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183737A (en) * | 2017-04-26 | 2017-09-22 | 镇江虎瑞生物科技有限公司 | A kind of Rhus succedanea seed shelling separation method |
| WO2019174310A1 (en) * | 2018-03-16 | 2019-09-19 | 青岛理工大学 | High-efficiency automated production system for walnut shell-breaking, kernel-taking and shell-kernel separation |
| CN108479892A (en) * | 2018-03-23 | 2018-09-04 | 内蒙古丰吉妙农业产品科技开发有限公司 | A kind of Flaxseed peeling technique |
| CN109277304A (en) * | 2018-11-14 | 2019-01-29 | 祖柏实 | A kind of production equipment of continuous multi-stage screening shelling selection by winnowing peony seeds |
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Application publication date: 20210202 |