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    The development of wheat epider skin deep cleaning technology In China
     
     
    The development of wheat epider skin deep cleaning technology In China
     
     
    WUXI HASEN WHEAT TECHNICAL FORUM 29th Aug 2020
     
     
     
     

    Dirt in the wheat skin, wheat surface clean good or bad, directly related to the quality of flour and the
    development of flour enterprises. In this article we study the unique physical structure of wheat and
    the requirements of the ideal cleaning and processing process, from the traditional wheat-making
    machine technology, to the current new level of technology, put forward a personal point of view,
    aimed at reference, exchange views for the wheat mill industry.
     
     
    No.1. The unique physical structure of wheat.
     
     
    CHINESE RESEARCH WHEAT PHYSICAL STRUCTURE
     
     

     
    By studying the grain structure of wheat, it is found that the coral layer of wheat is composed of six
    layers. In order to facilitate understanding, can be image of wheat seeds likened to "corn bar with
    pants", from the outside in turn for the epiderm, peel, inner peel, seed skin, bead heart layer, paste
    layer. The first layer of wheat epiderm, wheat peel, groin direct contact with the outside world
    inevitable impurities, dirt. The outer five layers are collectively referred to as the
    outer cortry, and the paste layer is the middlemost layer of the wheat cortry, that is, the sixth layer
    of wheat skin, with a higher ash content. The upper layer of wheat cortation, i.e. the endosperm.
     
    No.2. Roller making is required for the ideal cleaning and processing process.

    Existing wheat flour processes are generally processed from the inside out, i.e. the process
    of maximizing the quality of endosperm from bran and fully separating it from bran, gluten stars,
    and dirt to ensure the integrity of the bran. The cleaner the separation of the skin dirt of wheat,
    the lower the ash content in the flour, the better the quality, the higher the economic benefits.
    Deep cleaning is actually another meaning of "purification", the ideal cleaning process should
    be: more flour, good flour, low loss as the ultimate goal. Deep cleaning technology equipment
    should be achievable: wheat peel, bran star and groin clean-up thoroughly, the lowest rate of
    wheat crushing, the lowest consumption, does not affect the integrity of bran, good product
    stability. And to achieve this ideal cleaning process requirements should
    be more advanced technology to achieve.
     
    No.3 The traditional wheat-grading machine technical principle index
    and the status quo.

    The wheat scourer is one of the commonly used equipment to clean the wheat surface,
    which is to clean the wheat surface by using the high-speed rotating plate and the
    stationary round sieve surface through the comprehensive effect of wheat strike, friction
    and so on. For each wheat hit, the wheat ash content should be reduced by not less
    than 0.02%, the increase in crushed wheat should not be greater than 0.5%, and the
    perfect wheat content in the lower foot material should not be greater than 1%. The
    wheat machine is widely used and has certain representative. By analyzing the
    principle of wheat scourer, it is beneficial to better understand the level of
    traditional cleaning technology, so as to further optimize the improvement
    and improve the cleaning process.
     
     
     
     
     
     
    By studying the mechanical principle of wheat scourer, the effect analysis is combined: the gap between the plate
    and the screen is very critical to the cleaning of wheat. The smaller the gap, the stronger the role of playing wheat,
    the better the cleaning effect, but the increase in the gap between board and screen, less broken wheat, but poor
    cleaning effect, smaller gap between wheat scourer machine, the faster the screen wear is a good proof. According
    to experience, the wheat hitter plate clearance should be between 20-30MM is appropriate, increase or decrease
    the speed of the wheat machine, you can adjust the rate of broken wheat. But the wheat machine hit the plate by
    hard technical principle, will inevitably lead to broken wheat, has been an indisputable fact, the loss of flour
    enterprises such as careful calculation, is also a not small number, and the impact on the quality of the whole
    flour is critical. Therefore, the wheat machine should reach the clean-up, but do not break the wheat as the
    principle, such as after the wheat cleaning is not clean, or the rate of increase in the rate is too high will
    lose the meaning of wheat scourer.
     
    No.4. The principle and function of wheat softer peeler structure.

    Wheat softer scraper - different from peeling machine, is a use of automatically adjust the gap and pressure
    of elastic alloy on the wheat surface 360 degrees repeated softer scratching, working gap only a grain of
    wheat around, clean very uniform, when the internal work pressure, elastic alloy will automatically bounce
    up, is soft processing, processing wheat almost no fragmentation, processing machine can completely
    replace the wheat scourer, wheat brush, peeling machine. Set softer blow, scrape, grinding as a whole.
    Ability to put dirt on the appearance of wheat grains, fragile skin, wheat peel, vomit toxins.... The most
    efficient removal before entering the grinder is detailed as follows:

    Wheat scraper roll 3D chart:
     
     
     
     
     
     
     
    Detailed schematic of the key structure of the wheat peeler
     
    As shown in the figure: wheat soft scraper for horizontal structure, the interior is composed of
    polygon roller and external screen, wherein the polygon roller with centrifulation radiation type
    equipped with multi-layer soft alloy and diamond grinding plate, soft alloy under, diamond
    grinding plate on. The working direction of soft alloy is consistent with that of centrifugal
    fan impel when the roll is turned, and the material is processed repeatedly at 360 degrees.
    The necessarycondition to clean up the dirt is that the action parts to fully contact the
    material, work because the soft alloy has a unique soft physical characteristics, just
    like the grinding machine can adjust the pitch, the design work gap can reach
    a grain of wheat, and with the roller internal pressure and scraping force can
    automatically adjust the gap between the elastic alloy and the screen, almost
    no fragmentation and do not hurt the paste layer, its effect is self-evident.
    .
    5, The combination structure design features of wheat soft peeler.
     
    Wheat-specific soft alloy itself has a good elasticity, wear resistance, automatic
    cutting edge and fragile skin, wheat groin scratching, flexible strike characteristics,
    diamond structure has good wear resistance, and excellent grinding characteristics
    of wheat peel, after the combination, that can make wheat wheat peel dirt fully
    removed, but also protect the elastic alloy root, so that the material only friction
    elastic alloy blade, not grinding root, several times longer elastic alloy life.
     
    At present, wheat soft scraper has been applied to COFCO Group, Su San zero
    Group, Anhui Yongxin Industry and Trade, Fengtai Longtai, Tai'an Fushikang,
    Binzhou Longfeng,....... many flour mill enterprises in China, and the market
    has been unanimously praised. The production of good flour and raw grain
    quality, cleaning effect, operating level, moisture regulation, powdering
    process and other factors are closely related, the new flexible scraping
    depth cleaning technology needs a large number of measured data to
    verify its technical effect, due to limited space, the author through successfu
    l communication with some flour manufacturers, choose not to change the
    powder road, and the same raw grain, operation, moisture regulation ...
    and other conditions.
     
     
                                    Wheat soft scraper reduce surface omit toxins with ash
     
     
     
     
     
     
                                                               
     
     
                CLEANING RESULT
     
     
        
     
    Measuring the advanced nature of a technology and equipment is not only reflected in its structural
    principles, but also in its contribution to society, enterprises and quality. Through the transformation
    of many flour manufacturers have been significantly improved quality, the times in progress, technology
    in the development of wheat flexible scratch cleaning technology will promote the food industry leapfrog
    development.
     
     
     
    Wheat Soft peeler data drawings.
     
     
     
    CHARACTERISTIC OF SOFT PEELER MACHINE:

    Wheat soft scraper is different from the peeling machine, is the use of automatically adjust the gap and pressure of
    the elastic alloy on the wheat surface soft scraping, working gap is only about one grain of wheat, so clean evenly,
    and when the pressure is large, will automatically bounce, so processing wheat almost no broken, is currently replacing
    the wheat scourer machine, wheat brushing machine, wheat washing machine, peeling machine's most advanced
    depth cleaning equipment, can be the appearance of wheat dirt, Fragile exterior skin, wheat hair, vomit toxins, the
    most efficient removal before grinding.
     
     
    SPECIFICATION SPECIAL OF SOFT PEELER MACHINE:

    1, Lower broken:

    broken ratio in raw wheat is 0.01-0.06,
    broken ratio in clean wheat is 0.01-0.04,
    broken ratio Far lower then ratio of 0.5 wheat scourer;

    2, The clean-up effect is significant: reduce ash 0.03-0.08 input of roller mill, adjustable, after
        soft scraper machine working, the wheat become more white and shining, improving the
        whiteness of wheat flour;

    3, Not hurt paste layer: different from peeling machine, sift scraper not hurt paste layer;

    4, signification removing of Omit toxins material: Omit toxins remove ratio at 50-70%;

    5, Instead of wheat washer, wheat scourer pre B1 roller mill, remove groove dirty and wheat hair very efficiently;

    6, Easy maintenance and overhaul: no need to open bearing like roller mill fluting, loose sifter sieve, just adjust
        the gap of sifter sieve;
     
     
     
     
     
     
                                                          OAT THE RESULT AFTER SOFT PEELING 
     
     
     
     
     
    Lets see the research figures from abroad as reference:
     
    ABROAD RESEARCH WHEAT PHYSICAL STRUCTURE AND WHEAT PEELING TECHNOLOGY:
     
     
     
     
     
     
    ANALYSIS RESULT BETWEEN CHINA AND ABROAD: 
     
    From above analysis we can find out that there are so much difference from the structure, abroad use
    diamond for inner roller, same like the structure from Sataka from Japan, but Chinese roller blade is soft
    powered stainless steel blade;
     
    Input method are difference, Abroad methos is up vertical input material and Chinese input is horizontal
    input materials.
     
     
    The big difference is the broken ratio for each grain by Chinese soft peeler:
     
     Lower broken:

    broken ratio in raw wheat is 0.01-0.06,
    broken ratio in clean wheat is 0.01-0.04,
    broken ratio Far lower then ratio of 0.5 wheat scourer;
     
    Check broken ratio from abroad, much big difference!
     
     
    Most welcome to discuss and give good idea for technical  for peeling and cleaing, rolling wheat, maize,
    oat  and buckwheat etc grain products.
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