CN1883808A - Method and device for dehulling separation of flax seed - Google Patents
Method and device for dehulling separation of flax seed Download PDFInfo
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- CN1883808A CN1883808A CN 200610012938 CN200610012938A CN1883808A CN 1883808 A CN1883808 A CN 1883808A CN 200610012938 CN200610012938 CN 200610012938 CN 200610012938 A CN200610012938 A CN 200610012938A CN 1883808 A CN1883808 A CN 1883808A
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- linseed
- screen cloth
- decortication
- electrostatic
- separation
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- 235000004426 flaxseed Nutrition 0.000 title claims abstract description 61
- 238000000926 separation method Methods 0.000 title claims abstract description 45
- MJYQFWSXKFLTAY-OVEQLNGDSA-N (2r,3r)-2,3-bis[(4-hydroxy-3-methoxyphenyl)methyl]butane-1,4-diol;(2r,3r,4s,5s,6r)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O.C1=C(O)C(OC)=CC(C[C@@H](CO)[C@H](CO)CC=2C=C(OC)C(O)=CC=2)=C1 MJYQFWSXKFLTAY-OVEQLNGDSA-N 0.000 title claims description 7
- 238000000034 method Methods 0.000 title abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 230000005686 electrostatic field Effects 0.000 claims abstract description 8
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 49
- 240000006240 Linum usitatissimum Species 0.000 claims description 46
- 239000004744 fabric Substances 0.000 claims description 37
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 239000010903 husk Substances 0.000 claims description 5
- 238000005421 electrostatic potential Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- 239000000843 powder Substances 0.000 description 6
- 239000004519 grease Substances 0.000 description 4
- 102000004169 proteins and genes Human genes 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 241000208202 Linaceae Species 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 235000020985 whole grains Nutrition 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 239000003075 phytoestrogen Substances 0.000 description 1
Landscapes
- Electrostatic Separation (AREA)
Abstract
Disclosed is a method for flax seeds decortication and separation, comprising dehydrading flax seeds to a moisture percentage of 2-4%; feeding same into a rotary centrifugal decortication machine continuously, decorticating the flax seeds to form a mixture of shells and kernels; and separating the shells and kernels mixture through an electrostatic field. An apparatus realizing said method comprises a centrifugal decortication machine, screen means mounted on the discharge side of the centrifugal decortication machine, a convey belt mounted on the discharge side of the screen, and electrostatic absorption means mounted over the discharge terminal of the convey belt front part. The method is provided with continuously industrialization production for large amounts of product, complete seperation of shells and kernels, and high production efficiency to shorten the art time from the flax seeds feeding, decorticating to discharging by 80%, decrease full cost by 50%, and produce no environmental waste materials.
Description
Technical field
The present invention relates to decortication of a kind of crops fruit and seed, skin separation method and relevant device, be applicable to the decortication of linseed or similar crops fruit and the method and apparatus that seed benevolence is separated with the shell skin.
Background technology
Linseed is the fruit of a kind of oil crops.Oil content is very high in the seed, and contains the σ-leukotrienes about 48% in the oil, and in large grease crop, its alpha-linolenic acid content is the highest.Containing the flax glue about 10% in the shell skin, is unique available natural plant gum resource in the grease crop.Contain a large amount of flax lignanoids in the waste of flax, as a kind of phytoestrogen, its content is about 800 times of other crop.Up to now, the processing and utilization of above-mentioned each beneficiating ingredient all is to carry out without decortication or on without the basis that seed, skin separate effectively.Therefore, the yield of above-mentioned various useful compositions is very low.Linseed is flat ellipse, is about 4.8mm, wide about 2.5mm, and thick about 1.1mm, the seed skin accounts for about 45% greatly in the seed gross weight.Because linseed oil content height and shape are special, commonly used roll or the peeling method that rubs can make seed and shell skin stick together makes that seed, the skin after the decortication separates very difficult.Abroad once the someone carried out small-scale linseed decortication and seed, skin separating experiment, but scale only limits to every batch 100 laboratory test about gram, does not form commercial size.Chinese patent 02825044.3 discloses a kind of " components of flaxseed separation method and device ", its mode that adopts is dried linseed to be sent into a separation bin that the corase grind circulator is housed by friction linseed is shelled, form flax seed husk skin and seed benevolence, through screen cloth and/or Gravity Separation mode the shell skin is separated with seed benevolence then.It also needs to feed air-flow and add light material in the storehouse in order to control the flowing velocity of linseed in separation bin.This separation method too complex and be difficult to control.At first linseed is constantly rubbed and squeezing action in separation bin, the grease in the seed benevolence after the shelling can overflow make between the shell skin or shell skin and seed benevolence between stick together and be difficult to further separate.Adopt the mode of in separation bin, sending into air-flow to control relatively difficulty of the flowing velocity of linseed in the storehouse in addition, difficulty more especially takes place under the situation of grease adhesion.Three, it is not high to adopt screen cloth to add the mode separation purity that gravity separates, and also need take further separating measure usually.The 4th, owing to adopt the as above method of more complicated, therefore cause also more complicated of this separation equipment.
Summary of the invention
The present invention proposes a kind of fairly simple linseed peeling method and the flax seed husk skin after the decortication and the separation method and the corresponding apparatus of seed benevolence.
Linseed decortication separation method of the present invention mainly comprises the steps:
A, linseed is dried to moisture content is 2-4%;
B, dried linseed is continuously sent in the centrifugal peeling machine that is rotating, made the linseed decortication form the mixture of shell skin and seed benevolence;
C, by an electrostatic field both are separated with seed benevolence mixture the shell skin.
Described linseed decortication separation method, shell skin and seed benevolence mixture after centrifugal peeling machine decortication carry out electrostatic separation again after the screen cloth separation equipment carries out pre-separation.
Described linseed decortication separation method, wherein the flax seed husk skin is continuously realized separating by an electrostatic field with seed benevolence mixture.
A kind of equipment of realizing above-mentioned linseed decortication separation method comprises centrifugal peeling machine, is connected to screen cloth equipment at the exit side of centrifugal peeling machine, is connected to conveyer belt at the exit side of screen cloth equipment, above the anterior blanking end of conveyer belt electrostatic adsorption device is arranged.
Described linseed decortication and separation equipment, screen cloth equipment wherein comprises the screen cloth of two-layer at least or two-layer above different sieve apertures, and the exit side of every layer of screen cloth is connected to a conveyer belt respectively.
Described linseed decortication and separation equipment, wherein screen cloth equipment is two-layer, and the upper strata screen cloth adopts 10-14 order mesh screen cloth, and screen cloth goes out corresponding first conveyer belt of side, and lower screen adopts 30-40 order mesh screen cloth, corresponding second conveyer belt of screen cloth exit side.
Described linseed decortication and separation equipment, wherein electrostatic adsorption device is a roller conveyer belt, the static roller links to each other with electrostatic generator by cable in the end of roller conveyer belt, in roller conveyer belt bottom charging conduit is arranged.
Linseed decortication separation method of the present invention and equipment owing to adopted centrifugal peeling method, make the linseed decortication realize continuous a large amount of industrialization operation.Owing to adopted electrostatic separating method, it is comparatively thorough to make that the shell skin separates with seed benevolence, detects according to the scene, and in 3-4%, the seed benevolence amount in the shell skin charging conduit is then less than 1% at seed benevolence charging conduit mesochite skin amount.Owing to adopted above-mentioned centrifugal decortication and electrostatic separating method, make this process extremely simple, and efficient is high especially, linseed has shortened 80% from charging decortication to the process time of separating discharging.Whole cost has descended 50%, and does not produce any environment waste material.
Equipment of the present invention makes the entire equipment system become very simple owing to adopted centrifugal dejacketer and electrostatic separating device, and efficient has improved 3-4 doubly.
Description of drawings
Fig. 1 is an equipment flowsheet of the present invention
Fig. 2 is an electrostatic adsorption device operation schematic diagram
The centrifugal peeling machine 3-of 1-drying box 2-hopper 4-quickens the broken seed gatherer 19-electrostatic generator 20-cable 21-driving wheel 22-transport tape 23-shell skin gatherer in the rotating cylinder 5-speed regulator 7-upper strata screen cloth 8-lower screen 9-powder catcher 10-first conveyer belt 11-first driving wheel 12-second driven pulley 13-, the second conveyer belt 14-, the second driving wheel 15-, second driven pulley 16-static roller 17-seed benevolence gatherer 18-end among the figure
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail.
Linseed decortication of the present invention and separation method need earlier linseed to be dried to moisture content 1-5%, if moisture content is lower than 1%, then drying cost can increase, and is higher than at 5% o'clock, and the decortication effect is poorer slightly.Therefore, the scope of getting 1-5% is mainly considered from the economical rationality factor.According to experimental result, getting moisture content all is more rational in the scope of 2-4% from economy or technical standpoint, drying means can adopt air dry or artificial drying all can, the present invention has adopted air dry to add the artificial drying mode, under field conditions (factors) linseed is dried to moisture content below 10%, sends into drying box then and carry out drying, baking temperature 120-160 ℃, about about 10-20 of time minute, the operation of can peeling that moisture content is lower than at 5% o'clock.
Dried linseed is continuously sent in the centrifugal peeling machine that is rotating, made the linseed decortication form the mixture (wherein having only the proteins in flax seeds of not finishing the decortication task on a small quantity) of shell skin and seed benevolence.The input speed of linseed is the 100-200 kilogram per hour, and this is main relevant with the size of peeling machine.
Can directly carry out electrostatic separation from the shell skin and the seed benevolence mixture of peeling machine output, preferred way is to sieve earlier, and powder separation is gone out.Perhaps can adopt the multilayer screen cloth, carry out pre-separation such as the screen cloth in two-layer different apertures.
By an electrostatic field both are separated with seed benevolence mixture the shell skin.The electrostatic potential of described electric field is ten thousand volts of 0.3-1.5, preferably selects ten thousand volts of voltages of 0.4-1.2 for use, can reach desirable separating effect, and power consumption is also little.Select the upper bound or lower bound mainly to decide on the size of linseed degree of drying and seed or shell skin.Flax seed husk skin and seed benevolence mixture are continuously passed through electrostatic field, with the sucking-off from mixture of shell skin, promptly reach the separation purpose by static.
Linseed of the present invention decortication and separation equipment as shown in Figure 1, material drying case 1 drying after cleaning drops to below 5% the moisture content of linseed, is preferably in 2-4%.Seed comes out to enter in the acceleration rotating cylinder 4 the centrifugal off line by hopper 3 from drying box 1, on the simple wall of above-mentioned acceleration rotating cylinder 4 circular hole is arranged, the interior proteins in flax seeds of acceleration rotating cylinder that enters rotation at a high speed is being accelerated in by barrel motion process around the middle mind-set, from the circular hole of barrel, penetrate at a high speed then, collide with centrifugal peeling machine inner walls, dry and hard linseed shell is hit to be split, and the shell skin separates with seed benevolence.The rotating speed that quickens rotating cylinder can be adjusted continuously by speed regulator 5 between 2000-3500 rev/min.Shell skin after the decortication and seed benevolence mixture are admitted on the vibratory sieve and sieve, and vibratory sieve is obliquely installed, and the inclination angle is adjustable between the 1-8 degree, do reciprocating type screen campaign under the effect of vibrating motor, and material is sieved.The present invention has adopted the vibratory sieve that is made of two-layer screen cloth, upper strata screen cloth 7 is different with lower screen 8 apertures, wherein upper strata screen cloth 7 adopts 10-15 purpose nets, broken shell skin and powder is fallen and whole grain of will not peel and the whole skin of peeling sift out and fall on first conveyer belt 10.Lower screen 8 adopts 24-30 purpose net, broken shell skin is sifted out fall on second conveyer belt 13, makes powder leak down to fall into powder gatherer 9.First conveyer belt 10 is supported by first driving wheel 11 and driven pulley 12, second conveyer belt 13 is supported by second driving wheel 14 and second driven pulley 15, driving wheel 11 and 14 is driven through reducing gear by motor, driven pulley 12 and 15 and electrostatic drum 16 between distance usually between 3-7cm, regulate by adjuster during operation.Form by the whole grain and the whole skin of not decortication from the mixed material that upper strata screen cloth 7 is delivered on first conveyer belt 10, after electrostatic drum 16 absorption, whole skin is sucked away, and whole seed is fallen in the whole seed gatherer 17 below first conveyer belt 10, sends into centrifugal peeling machine again and peels.The mixed material of delivering on second conveyer belt 13 from lower screen 8 is the seed benevolence except that whole seed and powder, the mixed material of broken shell skin, and after electrostatic drum absorption, broken shell skin is sucked away, and seed benevolence falls into the seed benevolence gatherer 18 below second conveyer belt 13.The static that electrostatic generator 19 is received static in the electrostatic drum 16 by cable 20 is online, and electrostatic drum 16 is driven by driving wheel 21, and the transport tape of being made by insulating materials 22 connects between the two.After electrostatic generator 19 energisings, just produce static on the electrostatic drum 16, electrostatic drum rotates counterclockwise, shell skin in the material that transport tape (10,13) is sent here is adsorbed onto on the conveyer belt 22 that links to each other with cylinder, when the part of transport tape 22 absorption shell skins leaves electrostatic drum, Electrostatic Absorption power weakens, and the shell skin that is adsorbed on the transport tape 22 falls into shell skin gatherer 23.
200 kilograms of embodiment 1 proteins in flax seeds are dried to moisture content 4%, send into centrifugal peeling machine by the speed of 2 kilograms of per minutes, quicken the radius 15cm of rotating cylinder 4, high 50cm, the equidistant circular hole that is shaped on four diameter 12mm of sustained height on barrel, 2500 rev/mins of rotating cylinder rotating speeds.Centrifugal peeling machine shell radius 50cm.Peeling rate reaches 60%.Upper strata screen cloth 12 orders of screen cloth equipment, lower screen 36 orders.8000 volts of static roller voltages.Shell skin and seed benevolence separation rate reach 97%.
200 kilograms of embodiment 2 proteins in flax seeds are dried to moisture content 2%, send into centrifugal peeling machine by the speed of 2 kilograms of per minutes, quicken the radius 15cm of rotating cylinder 4, high 50cm, the equidistant circular hole that is shaped on four diameter 12mm of sustained height on barrel, 3500 rev/mins of rotating cylinder rotating speeds.Centrifugal peeling machine shell radius 50cm.Peeling rate reaches 65%.Upper strata screen cloth 10 orders of screen cloth equipment, lower screen 40 orders.6000 volts of static roller voltages.Shell skin and seed benevolence separation rate reach 98.5%.
Claims (9)
1, a kind of linseed decortication separation method mainly comprises the steps:
A, linseed is dried to moisture content is 2-4%;
B, dried linseed is continuously sent in the centrifugal peeling machine that is rotating, made the linseed decortication form the mixture of shell skin and seed benevolence;
C, by electrostatic field both are separated with seed benevolence mixture the shell skin.
2,, it is characterized in that shell skin and the seed benevolence mixture after centrifugal peeling machine decortication carries out electrostatic separation again after the screen cloth separation equipment carries out pre-separation according to the linseed decortication separation method of claim 1.
3,, it is characterized in that described flax seed husk skin continuously separates by the electrostatic field realization with seed benevolence mixture according to the linseed decortication separation method of claim 1 or 2.
4, according to the linseed decortication separation method of claim 3, the electrostatic potential that it is characterized in that described electrostatic field is ten thousand volts of 0.3-1.5.
5, a kind of equipment of realizing described each linseed decortication separation method of claim 1-4, it is characterized in that this equipment comprises centrifugal peeling machine (2), exit side at centrifugal peeling machine is connected to screen cloth equipment, exit side at screen cloth equipment is connected to conveyer belt (10,13), above the anterior blanking end of conveyer belt electrostatic adsorption device is arranged.
6,, it is characterized in that described screen cloth equipment comprises the screen cloth of two-layer at least or two-layer above different sieve apertures, and the exit side of every layer of screen cloth is connected to a conveyer belt respectively according to the linseed decortication and the separation equipment of claim 5.
7, peel and separation equipment according to the linseed of claim 6, it is characterized in that described screen cloth equipment is two-layer, wherein upper strata screen cloth (7) adopts 10-14 order mesh screen cloth, screen cloth goes out corresponding first conveyer belt (10) of side, lower screen (8) adopts 30-40 order mesh screen cloth, corresponding second conveyer belt (13) of screen cloth exit side.
8, peel and separation equipment according to the linseed of claim 5, it is characterized in that described electrostatic adsorption device is a roller conveyer belt, its medial end portions electrostatic roller tube (16) links to each other with electrostatic generator (19) by cable, in roller conveyer belt bottom shell skin gatherer (23) is arranged.
9, peel and separation equipment according to the linseed of claim 6 or 7, it is characterized in that described electrostatic adsorption device is a roller conveyer belt, its medial end portions electrostatic roller tube (16) links to each other with electrostatic generator (19) by cable (20), in roller conveyer belt bottom shell skin gatherer (23) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100129380A CN100496751C (en) | 2006-07-10 | 2006-07-10 | Method and device for dehulling separation of flax seed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100129380A CN100496751C (en) | 2006-07-10 | 2006-07-10 | Method and device for dehulling separation of flax seed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1883808A true CN1883808A (en) | 2006-12-27 |
| CN100496751C CN100496751C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100129380A Expired - Fee Related CN100496751C (en) | 2006-07-10 | 2006-07-10 | Method and device for dehulling separation of flax seed |
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| CN (1) | CN100496751C (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102349689A (en) * | 2011-08-25 | 2012-02-15 | 河南工业大学 | Sesame peeling process and device based on dry method |
| CN102513177A (en) * | 2011-11-22 | 2012-06-27 | 中国农业科学院油料作物研究所 | Method for producing flaxseed gum and flaxseed kernels |
| CN103586104A (en) * | 2013-12-02 | 2014-02-19 | 郝俊毅 | Peeling method and machine for flaxseeds |
| CN103797933A (en) * | 2014-03-24 | 2014-05-21 | 山西省农业科学院农产品加工研究所 | Flaxseed germination device |
| CN104148171A (en) * | 2014-07-17 | 2014-11-19 | 陈乐� | Multifunctional full-automatic walking vibrating screen |
| CN105054231A (en) * | 2015-07-20 | 2015-11-18 | 内蒙古久鼎食品有限公司 | Linseed dehulling method |
| CN105233909A (en) * | 2015-11-16 | 2016-01-13 | 蔡利华 | Flaxseed dehulling method and matching equipment |
| 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 |
| CN108835682A (en) * | 2018-06-05 | 2018-11-20 | 合肥德磬机械有限公司 | A kind of novel drying is peeled off integrated elevator |
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| CN109759169A (en) * | 2019-03-04 | 2019-05-17 | 寿阳县利尔康食用油脂有限公司 | A flaxseed peeling equipment |
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| CN112544997A (en) * | 2020-11-26 | 2021-03-26 | 杭州电子科技大学 | Integrated intelligent flaxseed dehulling device and method |
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| CN87105056B (en) * | 1987-08-06 | 1988-09-07 | 龙江县景星农具厂 | Method of separating hull and kernel of pine nut and device thereof |
| CN2041490U (en) * | 1988-09-13 | 1989-07-26 | 王兆臣 | Electrostatic separating machine for kernel and peel |
| DE3839778A1 (en) * | 1988-11-25 | 1990-05-31 | Buehler Gmbh | Grinding or polishing machine for grains, such as rice, maize, wheat or the like |
| US6592921B2 (en) * | 2001-09-18 | 2003-07-15 | The United States Of America, As Represented By The Secretary Of Agriculture | Method of removing the hull from corn kernels |
| US20030131737A1 (en) * | 2001-12-13 | 2003-07-17 | Wuwei Cui | Process and apparatus for flaxseed component separation |
| CN2613315Y (en) * | 2003-04-17 | 2004-04-28 | 驻马店市天裕食品工程有限公司 | Equipment for decorticating and separating repeseed |
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| CN102349689A (en) * | 2011-08-25 | 2012-02-15 | 河南工业大学 | Sesame peeling process and device based on dry method |
| CN102513177A (en) * | 2011-11-22 | 2012-06-27 | 中国农业科学院油料作物研究所 | Method for producing flaxseed gum and flaxseed kernels |
| CN102513177B (en) * | 2011-11-22 | 2014-02-12 | 中国农业科学院油料作物研究所 | A method for producing linseed gum and linseed kernels |
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| US12343736B2 (en) | 2019-05-08 | 2025-07-01 | St Equipment & Technology Llc | Process for protein enrichment of dried distillers grains using a tribo-electrostatic separator device |
| CN110384420A (en) * | 2019-07-15 | 2019-10-29 | 常州亚当生物技术有限公司 | A kind of coffee bean bean milling machine of removable coffee bean crust |
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