WO2013064037A1 - 一种只剥除果皮的小麦制粉麦间工艺及成套设备 - Google Patents

一种只剥除果皮的小麦制粉麦间工艺及成套设备 Download PDF

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Publication number
WO2013064037A1
WO2013064037A1 PCT/CN2012/083616 CN2012083616W WO2013064037A1 WO 2013064037 A1 WO2013064037 A1 WO 2013064037A1 CN 2012083616 W CN2012083616 W CN 2012083616W WO 2013064037 A1 WO2013064037 A1 WO 2013064037A1
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Prior art keywords
wheat
peeling
wheat flour
water
machine
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PCT/CN2012/083616
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English (en)
French (fr)
Inventor
王洪福
王毅
Original Assignee
Wang Hongfu
Wang Yi
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Application filed by Wang Hongfu, Wang Yi filed Critical Wang Hongfu
Priority to EP12844673.9A priority Critical patent/EP2786803A4/en
Publication of WO2013064037A1 publication Critical patent/WO2013064037A1/zh
Priority to US14/266,669 priority patent/US20140283694A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B1/00—Preparing grain for milling or like processes
    • B02B1/04—Wet treatment, e.g. washing, wetting, softening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B5/00—Grain treatment not otherwise provided for
    • B02B5/02—Combined processes

Definitions

  • the invention belongs to the technical field of wheat processing, and particularly relates to a wheat flour-making process and a complete set of equipment for peeling only the peel.
  • Wheat milling technology includes wheat cleaning and wheat milling.
  • the wheat cleaning workshop is referred to as the wheat room
  • the wheat milling workshop is referred to as the powder room.
  • the prior art wheat inter-process process includes the initial cleaning (referring to the preliminary cleaning of the original grain before entering the warehouse), the cleaning of the wheat (the wheat after the initial clearing or the raw grain without the preliminary clearing section), the quenching and tempering treatment, and the light wheat (after the wheat is cleaned) Wheat) cleaned and peeled 5 sections.
  • Wheat cleaning is usually carried out by air selection (common equipment is vertical suction duct, suction separator and circulating air dust collector, etc.), screening (common equipment is vibrating screen and plane rotary screen, etc.), gravity separation (common equipment is de-stone) Machine and gravity classifier, etc.), magnetic separation (common equipment is magnetic steel and permanent magnet cylinder, etc.), selection (common equipment is disc selection machine, roller selection machine and spiral selection machine) and surface cleaning (commonly used)
  • the equipment is composed of processes such as a wheat machine and a wheat washing machine.
  • the function of the cleaning section is to remove foreign matter or dirt such as mudstone, ferromagnetic foreign matter, grass seeds, other grain particles, wheat straw, wheat awn, buckwheat, worm, and wheat grain contained in the raw grain of wheat.
  • the cleaning section of the prior art before entering the wheat warehouse is called the preliminary cleaning section.
  • the initial clearing section usually consists of a screening and a selection of winds or only one screening.
  • the cleaning section before entering the wheat warehouse is called the wheat cleaning section. It is usually composed of a wind selection, a screening, a magnetic separation, a specific gravity sorting, a selection and a surface treatment process for six processes.
  • the light wheat cleaning section usually only has one selection process less than the wheat wheat cleaning section.
  • the quenching and tempering treatment section includes a watering process (common equipment is a powerful watering machine, a water mixing machine and a spray watering machine, etc.) and a moisturizing process (pointing to the water after storage of the wheat in the wheat warehouse for a certain period of time).
  • the role of the quenching and tempering treatment section is to improve the physical, biochemical and processing properties of the wheat cortex and endosperm through the water-wet wheat, and to improve the processing effect of wheat milling.
  • the purpose of the prior art stripping process is to strip as much wheat cortex (including seed coat and peel) as possible, reduce the ash content of the milled wheat, thereby reducing the ash content of the flour produced in the production line, and improving the precision and quality of the flour.
  • wheat cortex including seed coat and peel
  • the binding strength between the seed coat and the endosperm is very strong, and the wheat grain has a deep surface area with a deep surface area of about 1/3 of the total surface area of the wheat grain.
  • the structure and working principle of the prior art are both The equipment similar to the rice mill can only remove 30% to 60% of the cortex of the wheat grain after the water is properly added for more than 20 hours, and the crushing rate is 1% to 3%.
  • the peeled wheat flour has been thinned or torn after being peeled.
  • the fine bran star is mixed into the flour and the probability of mixing into the flour is higher than that of the unpeeled processor.
  • the existing wheat peeling and milling technology also has high energy consumption and the exposure of the endosperm after peeling, which leads to the lack of production of the milled wheat silo, so it is rarely used.
  • an object of the present invention is to provide a wheat flour-making process and a complete set of equipment for peeling only the peel.
  • the present invention adopts the following technical solutions:
  • the invention relates to a wheat flour-making process for peeling only peels, which comprises four sections of wheat wool cleaning, peeling, light wheat cleaning and quenching and tempering treatment, and the peeling section consists of water and stirring process.
  • the specific steps of the peeling section are: adding water to the wheat by 1-5% by weight of the wheat, the water temperature is 10-60 ° C, adding water and sending the stirring process within 10 min, and controlling the wheat height to 0.5- during the stirring process. 3m.
  • Agitator is used for stirring, and the stirring bar speed of the mixer is controlled to be 1-6 m/s.
  • the number of stirrings is 1-4 times, and the peeled skin layer is removed by screening or air separation after each stirring with repeated stirring.
  • the wool cleaning section consists of screening, wind selection, magnetic separation, second screening and second air selection.
  • the light wheat cleaning section consists of magnetic separation, stone removal, screening and air separation.
  • the quenching and tempering section consists of water and moisture. Process composition.
  • the utility model relates to a complete equipment for the wheat flour-making process for peeling only the peel, the complete equipment comprising the feed pit connected in sequence, the first hoist, the first vibrating screen, the first vertical suction duct, the screw conveyor , wheat barn, second hoist, first magnetic separator, second vibrating screen, second vertical air duct, first stone removing machine, first watering machine, mixer, third hoist, second magnetic separation , second stone removing machine, third vibrating screen, third vertical air duct, second watering machine, run-up warehouse, fourth hoist, third water machine and net wheat warehouse.
  • the upper port of the blanking pit and the first vertical suction duct is connected with the first wind net device; the second vertical air duct, the first rock removing machine, the second stone removing machine, the upper port of the third vertical air duct and the second Wind network installation.
  • the first wind net device and the second air net device are respectively composed of a fan and a centrifugal dust collector.
  • the purpose of the water is to allow moisture to enter the wheat peel and separate the peel from the seed coat.
  • Water needs to pay attention to the temperature of the water, the amount of water added, and the time of watering.
  • the water temperature of the water is controlled between 10 and 60 ° C.
  • the skin peeling effect can be achieved by using normal temperature water.
  • the slight heating can make the water penetrate into the peel layer faster, which is more conducive to the separation of the peel.
  • the temperature is too high, such as more than 60 ° C, not only will consume too much coal, but high temperatures above 60 °C may damage and mature the protein in wheat, destroying the quality of wheat.
  • the amount of water added to the water is controlled at 0.5-5% of the weight of the wheat.
  • the water time can be controlled within 10min, because the peel will be separated from the seed coat in a short time after the water is in use. If the time is long, the seed coat will absorb the water and re-stain the peel on the seed coat, which is not conducive to stripping the peel. .
  • the wheat can be sprayed with liquid water, or the wheat can be treated with steam.
  • the principle of agitating and peeling is to keep the wheat at a certain height, and the lower layer of wheat is subjected to the pressure of the upper layer of wheat to generate a grip force, which generates a relative force with the stirring force of the stirring rod, thereby peeling off the wheat peel layer.
  • the height of wheat should be controlled between 0.5 and 3 m. The height of wheat is too low, and the holding power is not enough to achieve better peeling effect. If the height of wheat is too high, the holding power of wheat is too large, and the energy consumption of mixing and peeling is increased. And because the force is too large, it is easy to cause the wheat to break down and cause side effects.
  • the stir bar can be used in the form of inserting a blade on the stick, and the wheat peel layer is scraped off while stirring, and the wheat rubs against each other during the stirring process, and also has a certain peeling effect. Controlling the line speed of the stir bar determines the amount of force applied by the stir bar to the material particles. Too high will increase energy consumption and may also cause side effects of stripping transition.
  • the number of stirring times is 1-4 times. When the stripping of one stirring is incomplete, the number of stirring times can be increased. After repeated stirring, the stripped skin layer can be removed by screening or air-selecting after each stirring to prevent the peeling cortex from agitating. influences.
  • a stirrer may be used, and the mixer is vertically assembled with a plurality of cylindrical stirrers equipped with long strip scrapers on a vertical cylindrical container member and a horizontally placed cross-shaped stir bar rack.
  • Components such as transmissions and frames (see patent CN200910157760.2 for details).
  • the wheat peel layer is removed by scraping with a sharp blade.
  • the binding force with the seed coat is weakened after expansion, and the peel can be separated from the seed coat with a little friction, while the wheat seed coat is much stronger than the peel, and the seed coat and The endosperm has strong binding force, is difficult to separate and is not easy to break, and the wheat grain loosely accumulated in the container can be flipped freely when scraped by the scraper. Therefore, the height of the material in the container and the stirrer rotation speed are controlled within a certain range. Under the premise of not harming the seed coat, most of the peels of the wheat grains other than the inner layer of the granules of the granules of the granules can be removed, and the husks are not damaged.
  • the invention only removes the wheat peel and does not damage the seed coat, and has the following obvious advantages:
  • the mixing section can remove most of the peeling impurities, the invention does not need to use the surface cleaning equipment such as the wheat machine and the wheat washing machine to reduce the equipment, shorten the process flow and reduce the energy consumption, and the obvious advantages are obvious;
  • the invention saves water by eliminating the need to wash the wheat machine. Taking a medium-sized flour mill as an example, the annual water saving can reach tens of thousands of tons, and the resulting water pollution is avoided, and the economic and social benefits are enormous. .
  • Fig. 1 is a schematic view showing the process of the wheat flour-making process of peeling only the peel of the present invention.
  • a wheat flour-making process for peeling only peels the process of which is wheat wool cleaning (screening, air separation, magnetic separation, second screening and second air selection), peeling (watering and stirring), light wheat Cleaning (magnetic separation, stone removal, screening and air selection) and quenching and tempering treatment (water and moisture).
  • the specific steps of the peeling section are: adding about 3% of the weight of wheat to the wheat, the water temperature is about 35 ° C, adding water and sending the stirring process within 10 min, and controlling the height of the wheat to 0.5-3 m during the stirring process.
  • the stirrer's line speed of the mixer use a mixer to control the stirrer's line speed of the mixer to be 1-6m/s; according to the effect of stripping the skin layer by stirring, the number of stirring times can be set to 1-4 times, and after repeated stirring, the filter or air separation can be removed after each stirring. Stripped cortex.
  • the complete equipment includes a lowering pit 13 connected in sequence, a first hoist 14, a first vibrating screen 6, The first vertical suction duct 7, the screw conveyor 8, the first wheat hopper 10, the second hoist 50, the first magnetic separator 2, the second vibrating screen 61, the second vertical air passage 71, and the first stone removing machine 4
  • the upper port of 7 is connected to the first air mesh device 25; the upper port of the second vertical air channel 71, the first stone removing machine 4, the second stone removing machine 41
  • the wheat received by the blanking pit 13 is lifted by the first hoisting machine 14, and the first vibrating screen 6 and the first vertical air duct 7 are sent to remove the size impurities and light impurities, and the wheat conveyor is sent by the screw conveyor 8.
  • the silo 10 stores, the wheat output from the wheat silo 10 is removed from the ferromagnetic impurities by the first magnetic separator 2, the second vibrating screen 61 and the second vertical duct 71 are used to remove the size impurities and light impurities, and the first stone removing machine is used.
  • the peeled wheat is lifted by the third hoist 51, and the ferromagnet is removed by the second magnetic separator 21.
  • the impurities are sent to the second stone removing machine 41 to go to the stone again, and the third vibrating screen 62 and the third vertical air passage 72 are used to remove the large and small impurities and the light impurities mainly based on the peel, and then the second watering machine 11 is used for the wheat.
  • the screw conveyor is used to send the rungage 16 Runmai for 16 to 28 hours; the runn wheat is lifted by the fourth hoist 52, and the third water machine 15 is used to send the net to the net storage 17 after storage.
  • the wheat fed from the net wheat silo 17 is ground by a roller mill 18.
  • the first wind net device 25 is used for collecting impurities such as dust, wheat straw, rope head, grass seeds, paper sheets and plastic sheets which are cleaned before the wheat into the wheat warehouse, and is generally used for garbage disposal;
  • the second wind net device 26 is used for collecting The peels, wheat awns, grass seeds and buckwheat, which are cleaned out after the wheat stalks, are the scraps of the production line, usually mixed with bran after pulverization.

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Abstract

公开了一种只剥除果皮的小麦制粉清理工艺及实施该工艺的成套设备。所述工艺包括毛麦清理、剥皮、光麦清理和调质处理四个工序，且剥皮工序由着水和搅拌工序组成。所述工艺只剥除大部分果皮，而基本不伤及种皮，由此使种皮被磨成细小麸星进而混入面粉的几率大幅度降低，从而降低了面粉中的灰分含量。所述成套设备取消了洗麦机，节约了水资源并防止了水污染。

Description

一种只剥除果皮的小麦制粉麦间工艺及成套设备
技术领域
本发明属于小麦加工技术领域，具体涉及一种只剥除果皮的小麦制粉麦间工艺及成套设备。
背景技术
小麦制粉技术包括小麦清理和小麦制粉两部分。在小麦制粉生产线中，小麦清理车间简称麦间，小麦制粉车间简称粉间。现有技术麦间工艺流程包括初清（指原粮入仓前初步清理）、毛麦（初清后的小麦或不设初清工段的原粮）清理、调质处理、光麦（毛麦清理后的小麦）清理和剥皮5个工段。小麦清理通常由风选（常用设备是垂直吸风道、吸风分离器和循环风除尘器等）、筛选（常用设备是振动筛和平面回转筛等）、比重分选（常用设备是去石机和比重分级机等），磁选（常用设备是磁钢和永磁筒等）、精选（常用设备是碟片精选机、滚筒精选机和螺旋精选机）和表面清理(常用设备是打麦机和洗麦机等)等工序组成。清理工段的作用是：去除小麦原粮中含有的泥土石砂、铁磁性异物、草籽、其它谷物颗粒、麦秸、麦芒、瘪麦，虫蚀霉变麦粒等异物或污物。现有技术入毛麦仓前的清理工段称初清工段。初清工段通常由一道筛选和一道风选或只一道筛选组成。入润麦仓前的清理工段称作毛麦清理工段。通常由一道风选、一道筛选、一道磁选、一道比重分选、一道精选和一道表面处理工序供6个工序组成。光麦清理工段通常只比毛麦清理工段少一道精选工序。调质处理工段包括一道着水工序（常用设备是强力着水机、着水混合机和喷雾着水机等）和一道润麦工序（指着水后小麦在润麦仓贮存一定时间）。调质处理工段的作用是：通过着水润麦改善小麦皮层和胚乳的物理、生化和加工性能，提高小麦制粉的工艺效果。
现有技术设置剥皮工序的目的是剥除尽可能多的小麦皮层（包括种皮和果皮），降低入磨小麦的灰分，进而降低生产线产出面粉的灰分，提高面粉精度和食用品质。但因小麦皮层厚，强度高，种皮与胚乳的结合力很强，而且小麦籽粒有凹陷很深表面积占麦粒外表总面积1/3左右的腹沟，现有技术用结构和工作原理都与碾米机类似的设备在适当加水后，润麦20小时以上也只能剥除麦粒30%～60%的皮层，而且碎粒率达1%～3%。特别是剥皮后残存在碾麦粒上已被碾薄或撕破尚的麦皮在此后粉间反复多次的研磨制粉过程中被磨成细小麸星混入面粉几率比未经剥皮加工者高得多，导致虽然入磨小麦灰分明显降低，但产出面粉灰分降低不明显甚至不降反升的现象频频发生。同时现有小麦剥皮制粉技术还有能耗高和剥皮后胚乳外露导致润麦仓结拱影响生产等缺欠，所以现已极少应用。
发明内容
根据上述情况，本发明目的在于提供一种只剥除果皮的小麦制粉麦间工艺及成套设备。
为实现上述目的，本发明采用如下技术方案：
一种只剥除果皮的小麦制粉麦间工艺，包括毛麦清理、剥皮、光麦清理和调质处理四个工段，剥皮工段由着水和搅拌工序组成。
所述剥皮工段的具体步骤为：向小麦中添加占小麦重量1-5%的水，水温为10-60℃，加水后在10min以内送搅拌工序加工，搅拌过程中将小麦高度控制在0.5-3m。
搅拌时采用搅拌机，控制搅拌机的搅拌棒线速度为1-6m/s。
搅拌次数为1-4次，重复搅拌时每次搅拌后用筛选或风选除去已剥除的皮层。
毛麦清理工段由筛选、风选、磁选、第二筛选和第二风选组成，光麦清理工段由磁选、去石、筛选和风选工序组成，调质处理工段由着水和润麦工序组成。
一种用于只剥除果皮的小麦制粉麦间工艺的成套设备，该成套设备包括依次连接的下料坑、第一提升机、第一振动筛、第一垂直吸风道、螺旋输送机、毛麦仓、第二提升机、第一磁选器、第二振动筛、第二垂直风道、第一去石机、第一着水机、搅拌机、第三提升机、第二磁选器、第二去石机、第三振动筛、第三垂直风道、第二着水机、润麦仓、第四提升机、第三着水机和净麦仓。
下料坑和第一垂直吸风道的上端口与第一风网装置连接；第二垂直风道、第一去石机、第二去石机、第三垂直风道的上端口与第二风网装置连接。
第一风网装置、第二风网装置分别由风机和离心集尘器组成。
着水的目的在于使水分进入小麦果皮，使果皮与种皮分离开。着水需要注意水的温度、加水量及着水时间等。着水的水温控制在10～60℃之间，一般使用常温水就可以达到较好的剥皮效果，略微加温可以使水较快地渗入果皮层，更利于果皮分离。但是，若温度过高，如超过60℃，不仅会消耗过多煤电，而且60℃以上的高温可能使小麦内的蛋白质受损、熟化，破坏小麦的质量。着水的加水量控制在小麦重量的0.5－5%。因为加水的目的在于润湿果皮，加水过多并不能起到更好的效果，反而浪费水资源。着水时间控制在10min以内即可，因为果皮会在着水后短时间内与种皮分离，如果时间长了，种皮会吸收水分，使果皮重新沾到种皮上，不利于剥除果皮。着水工序可用液态水对小麦进行喷洒，也可以用水蒸气对小麦进行处理。
搅拌剥皮的原理是：让小麦保持一定高度，下层小麦承受上层小麦的压力从而产生握持力，与搅拌棒搅拌力产生相对的力，从而剥除小麦果皮层。小麦高度应控制在0.5～3m之间，小麦高度过低，握持力不够，无法达到较好的剥皮效果；小麦高度过高则小麦的握持力过大，加大搅拌剥皮的能耗，并且因施力过大容易使小麦破碎产生副作用。搅拌棒可使用在棒上镶嵌刀片的形式，搅拌时将小麦果皮层刮下来，同时小麦在搅拌过程中互相摩擦，也起到一定的剥皮效果。控制搅拌棒的线速度决定搅拌棒施加给物料颗粒作用力的大小，太高会增加能耗，还可能导致剥刮过渡的副作用。搅拌的次数1-4次，当一次搅拌的剥皮不完全时，增加搅拌次数即可，重复搅拌时每次搅拌后筛选或风选除去已剥除的皮层，防止已剥落的皮层对搅拌效果有影响。
本发明工艺中搅拌剥皮工序可采用搅拌机，搅拌机由立式圆筒形容器部件、水平放置的十字形搅棒架上垂直安装若干根装有长条形刮刀的圆柱形搅棒组成的搅拌器、传动装置和机架等零部件组成（详见专利CN200910157760.2）。搅拌机工作时，靠刃口锋利的刮刀刮削除去小麦果皮层。因为小麦果皮薄、强度较低且容易吸水膨胀，膨胀后与种皮的结合力减弱，稍加摩擦就可使果皮与种皮上分离开，而小麦种皮强度远比果皮高，种皮与胚乳的结合力很牢固，很难分离也不易破碎，且松散堆积在容器内的小麦籽粒被刮刀刮削时可以自由翻转，所以，只要把容器内料位高度和搅拌器转速是控制在一定范围内就能在基本不伤及种皮的前提下，剥除麦粒腹沟内皮层以外的麦粒的绝大部分果皮，基本不伤及麦粒种皮。
本发明只剥除小麦果皮，不伤及种皮的措施具有如下明显优势：
1）麦间剥除大部分果皮，基本不伤及种皮，使种皮被磨成细小麸星混入面粉的几率大幅度降低，生产线产出面粉灰分降低0.02个百分点以上；
2）剥除粘附粉尘、污物和残留农药等杂质的绝大部分果皮，使产出面粉的含沙量、菌落量降低，面粉洁净程度和食用品质大幅度提高，面粉贮存期延长；
3）可产出种皮占80%以上的麸皮，用于生产食用纤维将使小麦深加工价值大幅度提高；
4）因搅拌工段能剥除绝大部分粘附污物杂质的果皮，本发明无需再用打麦机和洗麦机等表面清理设备减少设备，缩短工艺流程和降低能耗等显著优势明显；
5）本发明在因无需洗麦机，节约用水，以一个中型面粉厂为例，每年节约的水资源就可达数万吨，并避免了由此产生的水污染，经济和社会效益十分巨大。
附图说明
图1为本发明只剥除果皮的小麦制粉麦间工艺的流程示意图。
具体实施方式
以下结合实施例对本发明的技术方案作进一步地详细介绍，但本发明的保护范围并不局限于此。
一种只剥除果皮的小麦制粉麦间工艺，其工艺流程为毛麦清理（筛选、风选、磁选、第二筛选和第二风选）、剥皮（着水和搅拌）、光麦清理（磁选、去石、筛选和风选）和调质处理（着水和润麦）。
所述剥皮工段的具体步骤为：向小麦中添加占小麦重量3%左右的水，水温为35℃左右，加水后在10min以内送搅拌工序加工，搅拌过程中将小麦高度控制在0.5-3m，搅拌时采用搅拌机，控制搅拌机的搅拌棒线速度为1-6m/s；根据搅拌剥除皮层的效果，可设置搅拌次数为1-4次，重复搅拌时每次搅拌后筛选或风选除去已剥除的皮层。
一种用于上述只剥除果皮的小麦制粉麦间工艺的成套设备，如图1所示，该成套设备包括依次连接的下料坑13、第一提升机14、第一振动筛6、第一垂直吸风道7、螺旋输送机8、毛麦仓10、第二提升机50、第一磁选器2、第二振动筛61、第二垂直风道71、第一去石机4、第一着水机9、搅拌机12、第三提升机51、第二磁选器21、第二去石机41、第三振动筛62、第三垂直风道72、第二着水机11、润麦仓16、第四提升机52、第三着水机15和净麦仓17，净麦仓17的出口与辊式磨粉机18连接；下料坑13和第一垂直吸风道7的上端口与第一风网装置25连接；第二垂直风道71、第一去石机4、第二去石机41、第三垂直风道72的上端口与第二风网装置26连接，第一风网装置25、第二风网装置26分别由风机3和离心集尘器5组成。
该成套设备使用时，下料坑13接收的小麦用第一提升机14提升起来，送第一振动筛6和第一垂直风道7去除大小杂质和轻杂质，用螺旋输送机8送毛麦仓10储存，从毛麦仓10输出的小麦经第一磁选器2去除铁磁性杂质，用第二振动筛61和第二垂直风道71去除大小杂质和轻杂质，并用第一去石机4去除石子等重杂质，经第一着水机9给小麦着水后送搅拌机12搅拌实现剥皮；剥过皮的小麦用第三提升机51提升起来，经第二磁选器21去除铁磁性杂质，再送第二去石机41再次去石，用第三振动筛62、第三垂直风道72再次去除大小杂质和以果皮为主的轻杂质后，用第二着水机11给小麦着水后，再用螺旋输送机送润麦仓16润麦16～28小时；润好的小麦用第四提升机52提升起来，经第三着水机15着水后送净麦仓17贮存，从净麦仓17流出的小麦进粉间用辊式磨粉机18研磨。
第一风网装置25用于收集小麦进毛麦仓以前清理出来的粉尘、麦秸、绳头、草籽、纸片和塑料片等杂质，一般做垃圾处理；第二风网装置26用于收集小麦出毛麦仓以后清理出来的果皮、麦芒、草籽和瘪麦等杂质，是生产线麦间的下脚料，通常经粉碎处理后混入麸皮。

Claims (8)

  1. 一种只剥除果皮的小麦制粉麦间工艺，包括毛麦清理、剥皮、光麦清理和调质处理四个工段，其特征在于：剥皮工段由着水和搅拌工序组成。
  2. 如权利要求1所述的只剥除果皮的小麦制粉麦间工艺，其特征在于，所述剥皮工段的具体步骤为：向小麦中添加占小麦重量1-5%的水，水温为10-60℃，加水后在10 min以内送搅拌工序加工，搅拌过程中将小麦高度控制在0.5-3m。
  3. 如权利要求1或2所述的只剥除果皮的小麦制粉麦间工艺，其特征在于，搅拌时采用搅拌机，控制搅拌机的搅拌棒线速度为1-6m/s。
  4. 如权利要求3所述的只剥除果皮的小麦制粉麦间工艺，其特征在于，搅拌次数为1-4次，重复搅拌时每次搅拌后用筛选或风选除去已剥除的皮层。
  5. 如权利要求4所述的只剥除果皮的小麦制粉麦间工艺，其特征在于，毛麦清理工段由筛选、风选、磁选、第二筛选和第二风选组成，光麦清理工段由磁选、去石、筛选和风选工序组成，调质处理工段由着水和润麦工序组成。
  6. 一种用于权利要求1所述只剥除果皮的小麦制粉麦间工艺的成套设备，其特征在于，该成套设备包括依次连接的下料坑、第一提升机、第一振动筛、第一垂直吸风道、螺旋输送机、毛麦仓、第二提升机、第一磁选器、第二振动筛、第二垂直风道、第一去石机、第一着水机、搅拌机、第三提升机、第二磁选器、第二去石机、第三振动筛、第三垂直风道、第二着水机、润麦仓、第四提升机、第三着水机和净麦仓。
  7. 如权利要求6所述的用于只剥除果皮的小麦制粉麦间工艺的成套设备，其特征在于，下料坑和第一垂直吸风道的上端口与第一风网装置连接；第二垂直风道、第一去石机、第二去石机、第三垂直风道的上端口与第二风网装置连接。
  8. 如权利要求6或7所述的用于只剥除果皮的小麦制粉麦间工艺的成套设备，其特征在于，第一风网装置、第二风网装置分别由风机和离心集尘器组成。
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