CN104304916A - Production line for wheat aleurone layer content starch flour - Google Patents
Production line for wheat aleurone layer content starch flour Download PDFInfo
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- CN104304916A CN104304916A CN201410482330.9A CN201410482330A CN104304916A CN 104304916 A CN104304916 A CN 104304916A CN 201410482330 A CN201410482330 A CN 201410482330A CN 104304916 A CN104304916 A CN 104304916A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P10/00—Shaping or working of foodstuffs characterised by the products
- A23P10/40—Shaping or working of foodstuffs characterised by the products free-flowing powder or instant powder, i.e. powder which is reconstituted rapidly when liquid is added
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Abstract
The invention relates to a production line for wheat aleurone layer content starch flour. The production line comprises a feeding unit, a material bin unit, a grinding unit, a receiving unit, a screening unit and a packaging unit. The material to be processed in the feeding unit is conveyed into the material bin unit through a first cyclone dust removal group and a discharge valve thereof, a first spiral conveyer is arranged between the material bin unit and the grinding unit, the material which has been processed by the grinding unit is conveyed to the receiving unit through a high-pressure induced draft fan, the material in the receiving unit is conveyed to the screening unit through a second cyclone dust removal group and a discharge valve thereof, the material which has been screened by the screening unit is conveyed into the packaging unit through a third cyclone dust removal group and a discharge valve thereof, and then measured and packaged. The production line has features of automatic process, small pollution, short production period and high quality of products of the production line.
Description
Technical field
The invention belongs to the Design of Production Line field of machine-building design field, be specifically related to a kind of production line for the processing of wheat aleurone layer content fecula.
Background technology
Wheat bran, primarily of wheat cortex and wheat aleurone layer composition, is by the endosperm of the pericarp of wheat, seed coat, hyaline layer, aleurone and minute quantity from outside to inside successively.Wheat aleurone layer is present in the outermost layer of wheat seed endosperm, is combined by very strong adhesion with hyaline layer and seed coat, is divested or lose because rolling in flour processing process with wheat cortex.Wheat aleurone confluent monolayer cells contains wheat all substances significant in nutrition and physiology in a concentrated form; comprise dietary fiber, protein, mineral matter, B family vitamin, vitamin E, essential fatty acid and specific protective substance, as bioactivator etc.
Wheat is one of the most reliable food of the mankind in the history of several thousand always, but wheat aleurone layer and wheat cortex firm pasting, make the segregation ratio of wheat aleurone confluent monolayer cells and wheat cortex more difficult, conventional method is difficult to peel off to be extracted, so in the process of cereal shelling, the wheat aleurone layer overwhelming majority is ground off, and is used as feed with wheat cortex.That processes is meticulous, and nutriment loses more, so long-term edible refining cereal, human body easily lacks desired nutritional material.Therefore, try every possible means that the wheat aleurone layer separation and Extraction in wheat bran out will be had great benefit to human body, and good economic benefit and social benefit can be produced, and then provide new approach for the increment of agricultural byproducts.
In prior art, the method extracting wheat aleurone layer from wheat bran generally adopts wet method, need to carry out moistening process or biochemistry treatment etc. to wheat bran, and adopt wet method from wheat bran, extract wheat aleurone layer to involve the dehydration of wheat aleurone layer product and the problem such as dry, technological process is comparatively complicated and the production cycle is longer.
Therefore, need badly a kind of specifically for the production line of wheat aleurone layer content fecula processing, according to the characteristic of wheat aleurone layer content, by reasonably designing the object that should reach fast, produce in batches, retain primary characteristic and the mouthfeel of wheat aleurone layer again to greatest extent, minimizing material of simultaneously trying one's best leaks and flying dust flies upward, decreasing pollution environment.
Summary of the invention
The object of this invention is to provide a kind of production line for the processing of wheat aleurone layer content fecula, this production line comprises feed unit, feed bin unit, grinding unit, rewinding unit, sieve unit and packaging unit.
This production line comprises feed unit, feed bin unit, grinding unit, rewinding unit, sieve unit and packaging unit, material to be processed in feed unit enters feed bin unit by the first cyclone dust removal group, the first auger conveyor is provided with between feed bin unit and grinding unit, material after grinding unit processing is delivered to rewinding unit by high-pressure suction fan, material in rewinding unit enters sieve unit via the second cyclone dust removal group, and the material after sieve unit screening enters packaging unit by the 3rd cyclone dust removal group and completes metering packing.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, described grinding unit comprises drive unit, transmission device, multistage cyclone eddy current mill apparatus and drawing mechanism, wherein said multistage cyclone eddy current mill apparatus is made up of primary rotor, secondary rotor, three grades of rotors and grinding chamber, each rotor has three mills that diameter is stepped change respectively, three mill circumference are uniformly distributed 36 rotor blades altogether, and between adjacent two mills, rotor blade number difference is 4.Three mills have spacing, coaxially reverse rotational structure, make material can be stripped pulverizing after three dish counter-rotatings are accelerated.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, the rotating speed of described grinding unit mill is 2200-3000 rev/min.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, the maximum tangential velocity of described grinding unit mill is 110m/s.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, three rotor structures of described multistage cyclone eddy current mill apparatus form ladder grinding chamber structure, make that multistage cyclone eddy current mill apparatus forms separation, that order is broken three fracture area structures, by comminuting matter through the 1st fracture area, the impacting by chamber multistage of the 2nd fracture area and the 3rd fracture area, hit, split broken combining, improve the broken usefulness of material.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, in described grinding chamber, mill wall shape is auricle shape tooth-shape structure, and in grinding chamber, mill wall and rotor blade adopt wear-resistant ceramic to make.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, described multistage cyclone eddy current mill apparatus has airslide disintegrating mill.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, described airslide disintegrating mill is the high pressure admission nozzle arranged in opposite directions, spray from this high pressure admission nozzle through purification and dry compressed air, form supersonic flow, material collides in high velocity air focus center, thus is pulverized better.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, the eccentric block angle of the screening plant rotating shaft of described sieve unit is 20-38 degree.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, there are ten layers of sieve in the sieve nest of described sieve unit, there are two kinds of specification screen clothes and rotate in the same direction.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, three layers of screen cloth are the large screen clothes of 30-50 object above, seven layers of screen cloth are the little screen clothes of 100-110 object below, make to screen the wheat aleurone layer obtained and can meet aleurone granularity and products taste requirement simultaneously.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, the material of large screen cloth is made up of food-grade stainless steel, and the material of little screen cloth is made up of the material such as silk goods, staple fibre, and sieve aperture is square sieve aperture.
According to of the present invention for wheat aleurone layer content fecula processing production line, screen ball, screen block and sieve nest with the use of, screen ball is rubber material, screen block is made up of polyurethane material, and is all with hairbrush, rat, canvas block form.
According to the production line for the processing of wheat aleurone layer content fecula of the present invention, the rotary speed of sieve unit is 320 revs/min.
The present invention compared with prior art, has the following advantages and effect.
1, stripping to the medium and small gruel bisque of wheat bran and extraction is achieved, small investment by the method for simple and fast, with short production cycle.Adopt this production line production wheat aleurone layer product, can realize producing in enormous quantities.
What 2, take due to this technique is the processing mode of mechanical lapping, does not add any other composition, has not only divested most crude fibre in wheat bran but also has remained the primary characteristic of wheat aleurone layer greatly.
3, this invention whole process adopts the mode of pipeline wind model material, has both reduced the possibility that product is subject to secondary pollution, and the leakage of minimizing wheat bran and impurity fly upward to greatest extent again, reduce environmental pollution.
4, whole production line adopts the wheat aleurone layer content in dry method extraction wheat bran, the moisture control of raw material below 15%, as milling by product, moisture content be less than 15% wheat bran cheap, wide material sources, can directly put into production without the need to process.
5, whole production line adopts the wheat aleurone layer content in dry method extraction wheat bran, avoid the dehydration to wheat aleurone layer product and dry technical process, the aleurone content in wheat bran is extracted, also the nutritional labeling remaining wheat aleurone layer of high degree by simple and direct method.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing in the following describes is only some embodiments of the present invention.
Fig. 1 is a kind of production line schematic flow sheet for the processing of wheat aleurone layer content fecula of the present invention.
Fig. 2 is the grinding unit schematic diagram of a kind of production line for the processing of wheat aleurone layer content fecula of the present invention.
Fig. 3 is a kind of product line device schematic diagram for the processing of wheat aleurone layer content fecula of the present invention.
In figure: 1-support, 2-motor, 3-shaft coupling, 4-is drive disk assembly initiatively, 5-stiffener, 6-feeding mouth, 7-stator, 8-lid, 9-primary rotor, 10-secondary rotor, 11-tri-grades of rotors, 12-discharging opening, 20-feeding device, 21-multistage cyclone eddy current grinds, 22-cyclone collector, 23-high-pressure suction fan, 24-rewinding dust arrester, 25-screening plant, 26-product packing machine, 27-byproduct packing machine, 28-cyclone collector, 29-first dust pelletizing system, 30-second dust pelletizing system.
Detailed description of the invention
The invention provides a kind of production line for the processing of wheat aleurone layer content fecula, this production line comprises feed unit, feed bin unit, grinding unit, rewinding unit, sieve unit and packaging unit.Material to be processed in feed unit enters feed bin unit by the first cyclone dust removal group and discharge valve thereof, the first auger conveyor is provided with between feed bin unit and grinding unit, material after grinding unit processing is delivered to rewinding unit by high-pressure suction fan, material in rewinding unit enters sieve unit by the second cyclone dust removal group and discharge valve thereof, and the material after sieve unit screening enters packaging unit by the 3rd cyclone dust removal group and discharge valve thereof and completes metering packing.Wherein feed unit and feed bin unit composition feeding device (20), screening plant (25) is the chief component of sieve unit, and packaging unit comprises product packing machine (26) and byproduct packing machine (27).
The raw material of processing wheat aleurone layer content fecula is the wheat bran (hereinafter unitedly calling material) containing wheat aleurone layer that moisture content is less than 15%, material is poured into (setting of agitating device is lumpd in order to prevent wheat bran) in the feed unit of agitating device is installed, A1 mouth air-introduced machine is used to be sucked by material in the first cyclone dust removal group, except fine impurities such as dusts, then by discharge valve, material is sent into feed bin unit.
Material in feed bin unit is delivered to grinding unit through the second auger conveyor, described grinding unit comprises drive unit, transmission device, multistage cyclone eddy current mill apparatus and drawing mechanism, described drive unit is made up of motor (2) and charging frequency converter etc., described motor (2) is arranged on support (1), for grinder provides driving power, the rotating speed of motor regulates arbitrarily by charging frequency converter.Described charging Frequency Converter Control scope is 10-50HZ, duty according to material state, whirlwind eddy current mill regulates charging frequency converter frequency, by charging Frequency Converter Control auger rotating speed, and then controls the charging rate entering whirlwind eddy current mill, guarantee charging is stablized, and separating effect reaches optimum.
Further, described multistage cyclone erratic current grinding mill entirety also comprises transmission device, the building form of described transmission device is, motor (2) will drive power transmission to multistage cyclone eddy current mill apparatus by power output shaft, shaft coupling (3) and spindle transmission component (4) (also claiming bearing block) successively.
Wherein multistage cyclone eddy current mill apparatus (21) is made up of primary rotor (9), secondary rotor (10), three grades of rotors (11) and grinding chamber.Described primary rotor (9), secondary rotor (10), three grades of rotors (11) have point three mills of diameter stepped design respectively, and the spacing of three mills is 1-3mm, is preferably 2mm.Wherein, the diameter gradient difference of three mills is 100mm, and preferably the scope of diameter at different levels respectively is 300-500mm, 400-600mm and 500-700mm from small to large.More preferably, three grinding wheel diameter are respectively 450mm, 550mm, 650mm.
36 rotor blades of three mill even circumferential distributions, the rotor blade number difference of adjacent two mills is 4.Particularly, wherein the mill of primary rotor has 16 rotor blades, and the mill of secondary rotor has 12 rotor blades, and the mill of three grades of rotors has 8 rotor blades.Under some situation, each mill can according to actual needs, and increase or reduce rotor blade, the material of rotor blade can adopt wear-resistant ceramic to make.Each rotor blade described is high speed impact type rotor blade, and material obtains very large power acceleration in strong centrifugal field, under the synergy of the multiple crushing mechanisms such as impulsive force, impact force, shearing force and frictional force, be stripped pulverizing.In order to improve the crush efficiency of grinding material, in cavity, increase mill wall.The effect of mill wall, after material particles is subject to the impact comminution acceleration of rotor blade, with under the collision effect of mill wall, material is pulverized again.For mill wall construction form on the remarkable impact of crushing effect, Jiang Mobi makes the special tooth profile of auricle shape.
Particularly, described rotors at different levels (mill) constitute the turntable structure of spacing, homoaxial three dish counter-rotatings, make the impact velocity of material after three dish counter-rotatings are accelerated up to more than 100m/s, its impact velocity is close to the level of airflow milling, larger impact energy exacerbates the fragmentation of cell membrane and the speed of mechanical activation, higher impact velocity too increases the probability that plant cell collides mutually, more be conducive to the fragmentation of material, the broken usefulness of equipment is improved significantly.
Further particularly, three rotor structures of described multistage cyclone eddy current mill apparatus form special ladder grinding chamber structure, make that multistage cyclone eddy current mill apparatus forms separation, that order is broken three fracture area structures.Unique ladder grinding chamber makes material be raised speed quickly in chamber, and then produces huge crushing energy in clashing in opposite directions, and the 1st fracture area of forming device; The high speed impact of intensive tup inside stepped cavity, the 2nd fracture area of forming device and the 3rd fracture area, make the broken refinement further of powder.Material through the 1st fracture area, the impacting by chamber multistage of the 2nd fracture area and the 3rd fracture area, hit, split broken combining, improve broken usefulness.This is that other impact grindings are as not available in nail mill, crossing current mill, Ball-stirring mill etc.This is because after described multistage cyclone eddy current mill apparatus employing the 1st fracture area, the 2nd fracture area and the 3rd fracture area reasonably fragmentation order, mutually collide at the 1st fracture area large granular materials of rotating disk, impact velocity can be greater than 100m/s.Material after pulverizing enters the 2nd fracture area and the 3rd fracture area from the 1st fracture area of rotating disk under the drive of negative-pressure air-flow, then impacts the material after refinement.Material in the 2nd fracture area and the 3rd fracture area is by the successively sharp blow of multilayer impact components, and plant cell is by further fragmentation.This broken order is more conducive to the service life extending impact components, wearing piece.Related data through relevant authority testing department proves, under same process condition, the power consumption of this machine specific yield and airflow milling, flow over to grind etc. compared with can energy-conservation more than 50%.
Further, the stator (7) of described multistage cyclone eddy current mill apparatus also has airslide disintegrating mill, the pulverizing chamber surrounding of described airslide disintegrating mill is generally all provided with the special high pressure admission nozzle arranged in opposite directions, penetrate from nozzle through purification and dry compressed air, form supersonic flow, material collides in high velocity air focus center, is pulverized in moment.Particle through pulverizing rises to grading room with air-flow, and qualified particle enters cyclone separator with air-flow, finally obtains required product, and tail gas enters deduster and discharges.The turbine type hierarchy system arranged in grading room, can obtain several microns of even finer powders.When material pulverized in pulverizing chamber is by the promotion of ascending air, the effect (namely being rotated by turbine and the centrifugal intertia force that produces and gas-flow resistance) of centrifugal force field two kinds of different power will be subject at the same particle of turbine rotational section edge.When the particles sre larger, suffered centrifugal force is greater than resistance, and bulky grain flies to grading room wall along turbine tangential direction, then returns pulverizing chamber and is again pulverized.When particle is less, now centrifugal force is less than resistance, and granule enters turbine inside with ascending air, is qualified products through cyclone collection.Described device combines the principle of turbine grinder and airslide disintegrating mill just, overcome again the deficiency (pulverizing completely) that airslide disintegrating mill exists simultaneously, make equipment from vertical change into horizontal, namely can according to each component characteristic of material, after part is pulverized, form mixture and be delivered to next separation link by high-pressure suction fan, herein, high-pressure suction fan not only plays the effect of conveying, its air quantity, blast, to the component of final products and the ratio accounting for whole material, all play an important role.Prove through lot of experimental data, fan delivery, blast and equipment rotating speed three decide product quality, and said apparatus can be coordinated described three well well.
Particularly, the rotating speed of described grinding unit is 2200-3000 rev/min, and maximum tangential velocity is 110m/s.
Further, the drive unit of described multistage cyclone erratic current grinding mill entirety is bolted to connection the top to support (1), multistage cyclone eddy current mill apparatus is fixedly attached to support (1) by mill chamber pedestal, be connected with drive unit by shaft coupling, to ensure complete machine balance in the running, to stablize.There is outside grinding chamber the feeding mouth (6) entered for material and the discharging opening (12) of going out for material.When described multistage cyclone eddy current mill apparatus works; constantly can crumple to peel off to plant cell wall and pulverize with shearing the primary cell wall of plant is effectively separated with secondary cell wall; pulverize the material after being separated to be collected by the extraction of negative pressure air exhauster by discharging opening (12); make grinding chamber can form certain spatial volume with the lid (8) of discharging opening one; so that form air-flow in operation process; also protect described multistage cyclone eddy current mill apparatus simultaneously, prevent entering of the impurity such as dust.
Further particularly, the diverging duct that discharging opening (12) is tape guide, front wide and rear narrow, contribute to the acceleration of air-flow.
Further particularly, in described mill chamber, mill wall adopts wear-resistant ceramic to make, and wearability is good, corrosion-resistant, and caloric value is little, and produces without scrap metal in process of lapping, ensures the edible safety of material.Prove through test of many times, whirlwind eddy current electric mill current control is at 27A-29A, and rotating speed controls at 2800 revs/min, can ensure that separating effect reaches best, under the cooperation of mill body cooling device, can the heat of dissipation grinding machine, prevent material fiber crimp, gelatinization while ensureing continuous operation.Usually, whirlwind eddy current mill apparatus coordinates its supporting agitating device, induction system etc. jointly to use, and for processing wheat aleurone layer, can reach the process optimization of converted products while ensureing manipulation automatically, ensures that product nutritional quality arrives optimum.
Synchronously, in process of lapping, material is delivered to rewinding unit by high-pressure suction fan.Whole course of conveying adopts the mode of closed conduit wind model material, has both reduced the possibility that product is subject to secondary pollution, and the leakage of minimizing material and impurity fly upward to greatest extent again, reduce environmental pollution.
Next step, the material in rewinding unit is entered screening in the screening plant (25) of sieve unit by the second cyclone dust removal group, is separated, and described second cyclone dust removal group comprises three varigrained cyclone dust collectors.Described sieve unit, be made up of anterior base, rear portion base, motor, power transmission shaft, support plate, screen cloth, frequency converter, anterior base and rear portion base form the support of screening machine jointly, frequency converter is connected with motor, for controlling the motion frequency of motor, motor is connected with support plate by power transmission shaft, and screen cloth is connected with support plate, forms screening machine plane.Support plate is connected with anterior base and rear portion base, anterior base and rear portion substructure height adjustable, and rear portion base post is higher than anterior base, makes screening machine plane form certain gradient.By the screening plant separating mixture material that this has gradient, obtain aleurone content product, byproduct respectively.
Particularly, screen cloth can be set to multilayer as required, and form multilayer mesh screen, different sieve aperture specification is staggeredly placed, and object meets aleurone granularity requirements (1.4-150 μm).10 layers of sieve are had in sieve nest, screen cloth has two kinds of specifications: 3 layers is the large screen cloth of 30-50 order (being preferably 36-46 order) above, 7 layers is the little screen cloth of 100-110 order (being preferably 102-108 order) below, and object meets aleurone granularity and products taste requirement.The material of large screen cloth is made up of food-grade stainless steel metal simultaneously, and the material of little screen cloth is made up of the material such as silk goods, staple fibre.Sieve aperture is square, antistatic.
Particularly, screen cloth is when operating, and first actuating motor, is adjusted to suitable motion frequency by frequency converter, makes front-rear reciprocation movement with rear carrier plate together with screen cloth, drives the wheat aleurone layer on screen cloth to move forward simultaneously.In operation, can pass through adjusting base rotating shaft eccentric block angle, preferably free adjustment (most preferably being 35 °) in the scope of 20-38 °, angle is larger, and amplitude is larger, and material travels forward faster.Motion frequency motor can being selected suitable by frequency-variable controller, frequency is higher, and material travels forward faster.
Screen ball, screen block with the use of, screen ball be rubber material, screen block forms primarily of Polyurethane material, band hairbrush, rat, canvas block form, can reach and prevent material from sticking, and improves the object of screening efficiency.10 layers of screen cloth rotate (counterclockwise) in the same direction, frequency is 320 revs/min, ensure screen effect, improve screening efficiency, and improve the quality of screening product, make the movement locus of material on screen cloth and the time of staying, material distribution, treating capacity, separative efficiency, excessively net rate etc. reach optimum state.
By the product that this screening plant sieves, product granularity can be ensured: wheat aleurone confluent monolayer cells diameter 20-75 μm, by the particle mean size 20-45 μm of the wheat aleurone layer content of wheat aleurone layer screening plant screening of the present invention, the particle size range 100-250 μm of Burl Corp of Switzerland aleurone goods, Southern Yangtze University patent aleurone particle diameter 100-200 μm after domestic existing product screening.Contrast is visible thus, minimum by the wheat aleurone layer particle mean size of wheat aleurone layer screening plant screening of the present invention, substantially reaches wheat aleurone confluent monolayer cells diameter range.Compare other product granularities comparatively greatly, and illustrate that this screening plant screen is more careful, classification is meticulousr.
Finally, material after material is separated by sieve unit enters packaging unit respectively by the 3rd cyclone dust removal group and carries out metering packing, described 3rd cyclone dust removal group is made up of two varigrained cyclone dust collectors, and collected dust is collected by first dust pelletizing system (29) of production line and the second dust pelletizing system (30).The wheat aleurone layer component of last material will be ground into the comparatively granule of grain graininess between 1.4-150 μm, but not wheat aleurone layer component will be ground into grain graininess larger particles even larger between 150-2000 μm, this process is reached by hundreds of experimental verifications.Satisfactory wheat aleurone layer is packed by product packing machine (26), after the waste material produced then is packed by byproduct packing machine (27), can be used as feed addictive and uses in process.
In above-mentioned production line, the flow of A1 mouth air-introduced machine is 1800-3600m
3/ h, total head 3600-5400pa, the flow of high-pressure suction fan is 2200-5500m
3/ h, total head 4000-12000pa, the rotating speed of grinding unit is about 2200-3000 rev/min, and the vibration frequency of the frequency converter of sieve unit is 4.6-6.3HZ.
The processing mode of mechanical lapping that what the whole production line flow process of the present embodiment was taked is, does not add any other composition, has not only divested most crude fibre in wheat bran but also has remained the primary characteristic of wheat aleurone layer greatly.Carry out milled processed for wheat bran, the most crude fibres in wheat bran can be removed, make the wheat aleurone layer content being rich in dietary fiber, protein, minerals and vitamins, economic benefit and social benefit remarkable.
All do not adopt any chemistry or biological method process from wheat bran to the whole production procedure of wheat aleurone layer content in the present embodiment, the wheat aleurone layer content product produced directly is packed.Avoid many subsequent treatment operations, as wheat aleurone layer product dehydration, drying, break up, greatly reduce production cost, also improve production efficiency, shorten the production cycle.
The present invention is illustrated the production line that wheat aleurone layer content fecula is processed with an exemplary embodiments; should be understood that; for a person skilled in the art; when not exceeding the scope of the invention and principle; also can carry out apparent change and amendment to the present invention, these changes and amendment also fall within the protection domain of the claims in the present invention.
Claims (10)
1., for a production line for wheat aleurone layer content fecula processing, this production line comprises feed unit, feed bin unit, grinding unit, rewinding unit, sieve unit and packaging unit, it is characterized in that:
Material to be processed in feed unit enters feed bin unit by the first cyclone dust removal group, the first auger conveyor is provided with between feed bin unit and grinding unit, material after grinding unit processing is delivered to rewinding unit by high-pressure suction fan, material in rewinding unit enters sieve unit via the second cyclone dust removal group, and the material after sieve unit screening enters packaging unit by the 3rd cyclone dust removal group and completes metering packing.
2. the production line for the processing of wheat aleurone layer content fecula according to claim 1, described grinding unit comprises drive unit, transmission device, multistage cyclone eddy current mill apparatus and drawing mechanism, wherein said multistage cyclone eddy current mill apparatus is made up of primary rotor, secondary rotor, three grades of rotors and grinding chamber, each rotor has three mills that diameter is stepped change respectively, three mill circumference are uniformly distributed 36 rotor blades altogether, and between adjacent two mills, rotor blade number difference is 4.Three mills have spacing, coaxially reverse rotational structure, make material can be stripped pulverizing after three dish counter-rotatings are accelerated.
3. the production line for the processing of wheat aleurone layer content fecula according to claim 2, the rotating speed of described grinding unit mill is 2200-3000 rev/min, and the maximum tangential velocity of described grinding unit mill is 110m/s.
4. the production line for the processing of wheat aleurone layer content fecula according to claim 2, three rotor structures of described multistage cyclone eddy current mill apparatus form ladder grinding chamber structure, the formation of multistage cyclone eddy current mill apparatus is separated, three fracture area structures that order is broken, by comminuting matter through the 1st fracture area, impacting by chamber multistage of 2nd fracture area and the 3rd fracture area, hit, split broken combining, improve the broken usefulness of material, in described grinding chamber, mill wall shape is auricle shape tooth-shape structure, in grinding chamber, mill wall and rotor blade are all made with wear-resistant ceramic.
5. the production line for the processing of wheat aleurone layer content fecula according to claim 2 or 4, described multistage cyclone eddy current mill apparatus has airslide disintegrating mill, described airslide disintegrating mill has the high pressure admission nozzle arranged in opposite directions, spray from this high pressure admission nozzle through purification and dry compressed air, form supersonic flow, material collides in high velocity air focus center, thus is pulverized better.
6. the production line for the processing of wheat aleurone layer content fecula according to claim 1, the eccentric block angle of the screening plant rotating shaft of described sieve unit is 20-38 degree.
7. the production line for the processing of wheat aleurone layer content fecula according to claim 1, has ten layers of sieve, has two kinds of specification screen clothes and rotate in the same direction in the sieve nest of described sieve unit.
8. the production line for the processing of wheat aleurone layer content fecula according to claim 7, three layers of screen cloth are the large screen clothes of 30-50 object above, seven layers of screen cloth are the little screen clothes of 100-110 object below, make to screen the wheat aleurone layer obtained and can meet aleurone granularity and products taste requirement simultaneously.
9. the production line for the processing of wheat aleurone layer content fecula according to claim 7, the material of large screen cloth is made up of food-grade stainless steel, the material of little screen cloth is made up of the material such as silk goods, staple fibre, sieve aperture is square sieve aperture, screen ball, screen block and sieve nest with the use of, wherein screen ball is rubber material, screen block is made up of polyurethane material, and has the form of band hairbrush, rat, canvas block.
10. the production line for the processing of wheat aleurone layer content fecula according to claim 7, the rotary speed of described sieve unit is 320 revs/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410482330.9A CN104304916B (en) | 2014-09-19 | 2014-09-19 | A kind of production line processed for wheat aleurone layer content fecula fecula |
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| CN201410482330.9A CN104304916B (en) | 2014-09-19 | 2014-09-19 | A kind of production line processed for wheat aleurone layer content fecula fecula |
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| CN105499140A (en) * | 2016-02-03 | 2016-04-20 | 南通澳润建材科技有限公司 | Micropowder grading system with horizontal screw conveyor |
| CN105742577A (en) * | 2016-04-20 | 2016-07-06 | 绵阳流能粉体设备有限公司 | Method and device for superfine grinding and drying of lithium iron phosphate in closed circulation of high-temperature drying gas |
| CN111420754A (en) * | 2020-03-10 | 2020-07-17 | 华中农业大学 | Rice mature seed aleurone layer separation method |
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| CN111420754A (en) * | 2020-03-10 | 2020-07-17 | 华中农业大学 | Rice mature seed aleurone layer separation method |
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| CN104304916B (en) | 2017-07-28 |
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