What need pay attention to flour mill machine in summer

SHIJIAZHUANG HONGDEFA MACHINERY CO., LTD
Address: No.388 NORTH JIANHUA STREET SHIJIAZHUANG, HEBEI,CHINA.
Whatsapp:+86 139 3305 7265 Email: jane@hdfmill.com Web:www.hongdefa.com
What need Pay Attention to Flour Mill Machine In Summer ?
Summer is a season of high temperature and high humidity, and it is also a period of
frequent accidents in flour processing. How to do the technical adjustment and
management of flour milling line is very necessary for the quality control of flour.
Flour manufacturers should pay attention to the following matters:
Raw wheat in wheat flour mill machine
First, about the raw wheat
In order to meet the needs of production, some flour mill plant purchased large
quantities of raw wheat, pay less attention to the quality of raw wheat, and brought
some unqualified wheat into production. However, the quality of raw materials directly
affects the quality of flour and its products. These unqualified raw wheat mainly
include worm wheat, germinated wheat, new wheat and high temperature wheat.

A. worm wheat
Processing flour with worm wheat will first reduce the rate of flour extraction. In
addition, due to the metabolism and reproduction activities of aphids, some excretions
and eggs are formed in the wheat. These active substances are more difficult to remove
during the wheat cleaning process, resulting in poor color and frequent biochemical
activities. Flour and its products have discoloration, odor, and reduced gluten quality.
B. Germinated wheat
When harvest wheat, due to excessive rain or not drying in time, some wheat granules
are germinated or about to germinate, so that the flour sticky in the edible, the surface
is pale and the edible quality of the flour is deteriorated.
C.New wheat
The newly harvested wheat needs a “post-maturing period” before processing. The
general post-maturing period is above 3 months. In this process, the wheat will
improve its quality through its own breathing and other activities. Otherwise, the
wheat can not be used for processing. The flour getting from the new wheat not only
has a low yield, but also have poor color, poor gluten strength, and poor food quality,
the steamed bread can not afford, the sticky teeth, the noodles mixed soup etc.
D.High temperature and moldy wheat
Flour quality is reduced from high temperature or mildew wheat. Moreover, in summer,
because of high temperature and high humidity in storage process, the wheat itself will

starch hydrolysis, protein deterioration, mildew, etc., resulting in the wheat flour being
black color, bitter, and even inedible.
Second,about the processing of wheat
Processing of wheat into wheat flour
The high temperature and high humidity climate in summer, affects the processing
effect of wheat, mainly in moisture , milling and sifting of wheat:
A. moisture wheat
The moisture rate of wheat in summer do not need to be too high, around 14.5%- 15%
is good. The degree of degradation of wheat under high temperature conditions is
closely related to water. The higher the moisture rate, the lower the temperature that
causes the quality of the wheat to decrease, the higher the opposite. In summer, due to
the heat dissipation of the wheat itself and the external environment temperature, the
temperature of the wheat itself is relatively high. Therefore, it is necessary to control

the time of wheat moisture. The moisture time is generally controlled 18-24 hours (due
to differences in wheat quality). The wheat bin should be cleaned frequently. If it is not
cleaned frequently or stopped for a long time without being cleaned, the wheat left in
the bin for a long time will be mildewed or protein denatured due to high temperature
and high humidity, thus affecting the edible quality of the flour.
B.milling wheat
In summer, the moisture content of the flour is high and the viscosity is high too. In the
milling section, if the roller’s distance is not well adjusted, a layer of powder ring will
adhere to the surface of the roller, and the roller phenomenon will occur, causing the
radial rotation of the roller and affecting the milling process. Effect and flour quality.
Therefore, the roller distance should not be too close, and the bottom suction can be
appropriately increased.
C.sifting of wheat flour
Sifting of wheat flour

Because the high humidity in summer, and the wheat flour has strong hygroscopic
characteristics,so in summer, flour sifting section often suffers from the opaque
phenomenon due to the excessive moisture of the material, which may be caused by the
back flow of the material. This will seriously affect the quality of normal production
and finished products. Therefore, in summer, could consider reducing the output per
unit time, reducing the material flow, or increasing the pore size of the screen to avoid
this phenomenon.
Third,storage of wheat and flour
Storage of wheat and wheat flour
A. storage of wheat
In summer, the flour mill machine factory may receive some new wheat into the
warehouse. Because of its frequent breathing and other biochemical activities during

the storage process, the new wheat will cause high temperature in the warehouse,
coupled with high temperature and high humidity. The environment is very easy to
cause protein deterioration and mildew in wheat. Therefore, the wheat storage work
must be done well , shall strengthen ventilation and turn of bin.
B.storage of wheat flour
The hygroscopicity of flour also tends to cause agglomeration and mildew in the
storage process. Therefore, the flour storage during this period should pay special
attention to maintain good ventilation and suitable temperature. Wheat flour mill
machine factory can use low temperature or hypoxia store. Moreover, it is necessary to
avoid different batches, different grades of flour are mixed after packing, so as to
avoid the exchange of moisture between them, and the storage time is long and often
turned over.
For more wheat milling plants contact with us freely:
Mrs. Jane Liu for flour milling machines.
M: +86 139 3305 7265 (whatsapp/viber/imo/wechat)
www.hongdefa.com
www.hongdefamill.com

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