Volume 02 Issue 11-2022
104
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
02
I
SSUE
11
Pages:
104-107
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
METADATA
IF
–
7.356
A
BSTRACT
This article includes suggestions for filtering the dusty air coming out of the drying drum installed in cotton
ginning plants. The purpose of this is to reduce the ecological and environmental damage of cotton ginning
enterprises.
K
EYWORDS
Cotton ginning plants, drying drum, dusty air, filtration.
I
NTRODUCTION
Currently, several technologies are used in the
cotton ginning enterprises of the Republic of
Uzbekistan for drying seeded cotton. Among
them, tower dryers, shelf dryers and drying
drums are used. The most common of these are
drying drums. cleaning departments at
enterprises are currently equipped with 2SB-10,
SBO and SBT drying drums for drying or heating
seeded cotton. To ensure continuous operation of
these drying drums, they are equipped with
heating, transport and supply systems.
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Research Article
ANALYSIS OF EFFECTIVENESS OF DRYING AND DUSTY AIR
FILTERING USING DIGITAL TECHNOLOGY
Submission Date:
November 05, 2022,
Accepted Date:
November 15, 2022,
Published Date:
November 30, 2022
Crossref doi:
https://doi.org/10.37547/ijasr-02-11-15
Mirzayev Baxromjon Maxmudovich
Assistant Of Fergana Polytechnic Institute, Fergana, Uzbekistan
Volume 02 Issue 11-2022
105
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
02
I
SSUE
11
Pages:
104-107
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
METADATA
IF
–
7.356
In order to use drying drums economically and
rationally, it is necessary to control the
temperature, size and humidity of seed cotton. At
the same time, the degree of contamination of
seed cotton, the amount of seed cotton passed
along with impurities is also controlled. The 2SB-
10 drying drum is similar in operation to the SBO-
type drying drum, but because it does not have a
cleaning section, it does not remove small
impurities from seed cotton during the drying
process. During the drying process in the drums,
the heat is applied to the wet seed cotton. Heat
can affect the wet cotton in three ways:
a)
Due to the process of mixing with hot air
during cotton seeding from drum shovels;
b)
Due to the effect of heat on wet cotton
falling between the shovels and on the shovels
through the outer surface of the shovels;
c)
due to the beneficial heat effect due to the
transfer of heat from the heated parts of the drum
and the drum to the seeded cotton;
It has structural strength, ease of operation and
replacement
of
worn
parts,
long-term
maintenance-free operation, and the possibility
of automation. Multi-nozzle (slit) two-tunnel
burners are installed on the gas burner. The
mixing chamber consists of two tubes, one of
which is made in the form of a cone, and the other
- in the form of a truncated cone. To transfer the
heat agent to the drying equipment, the heat
generator is connected to the intake pipe of the
DN-11.2 smoke hood. In this project that we offer,
it is envisaged to filter the dusty air coming out of
the drying drum. Let's get acquainted with this
process below:
Bag filter with battery. The filtering element of
this type of devices is made of woven material
(Fig. 3).
Figure 1. Sleeve filter.
1 - rum; 2
–
shaking mechanism; 3 - shell; 4 - the most; 5 - auger.
Volume 02 Issue 11-2022
106
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
02
I
SSUE
11
Pages:
104-107
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
METADATA
IF
–
7.356
Filtering nets and bags 4 are hung on the general
frame 1 of the rectangular shell 3. The dusty gas
moving from the bottom to the top enters through
the open hole at the end of the filter ends. Then,
when the cylinder passes over the side surface of
the cylinder, the gas is purified and leaves, and the
solid particles are trapped on the inner wall of the
cylinder.
During use, the dust layer increases and the
resistance of the filter increases. To restore the
filter sleeves, it is necessary to periodically shake
them with the help of mechanism 2. Then, the
dust that is lost on the surface of the nozzles is
shed and taken out using the auger 5. In some
cases, the filter elements are cleaned by blowing
in the opposite direction using compressed air or
gas to restore the filters. Sectional filters are also
used in some cases. In this case, each section has
a mechanism that shakes the track. This allows for
continuous cleaning of filter sections, that is, it is
possible to carry out the process of restoring filter
elements without stopping the filter device.
The filtering speed of continuous filters is equal to
0.007...0.017m3/(m2.s). But, due to continuous
renewal of filtering tissues
the filtering speed increases to 0.05...0.08
m3/(m2.s). The hydraulic resistance of the most
common light filters is 1.5...2.5 kN/m2 (150...250
mm. above water.).
If sleeve filters are used correctly, the degree of
cleaning of gases from fine, dispersed dust is
98...99%.
Sleeves are made of natural, synthetic and
mineral materials. For example, cotton at
temperatures below 80 ℃ is made of us, wool at
temperatures below 110 ℃, polyamide,
polyethylene, polyacrylonitrile fibers at 130 ...
140 ℃, p
olytetrafluoroethylene and fluoroplast at
275 ℃, glass fibers at 400 ℃ filter sleeves are
used.
In this way, we can direct the filtered air to the
dehumidification or cleaning departments.
However, if we take into account the frequent
replacement of filters in this process, there is no
possibility that the costs will exceed the standard.
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Volume 02 Issue 11-2022
107
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
02
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11
Pages:
104-107
SJIF
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5.636
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METADATA
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