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study on Blowroom line and its machineries .pdf
1. Experiment No: 1
Name of the Experiment: Study on blow room line and its machineries.
Introduction:
The number of machines that are positioned in a line on series to carry out every task necessary to
produce a consistent lap form cotton bale is known as a blow room line. Some of the blow room's
streamlined devices are used for opening, cleaning, mixing, and ultimately producing laps. Thus,
the blow room procedure in this process refers to the aforementioned opening and mixing together.
In cotton, there are numerous sorts of waste. And the blow room is where the majority of these
waste materials are eliminated. The blow room is typically where these four tasks are finished. The
tasks are opening knot cleaning fiber, mixing and blending fiber, lap making.
Reiter and TRUTZSCHILER are two blow room line which are used most often in the textile
industry.
The tasks of blow room line are the following:
1. To prepare the material for straightforward carding by opening the baled fiber into small tufts
that allow foreign material to be removed from the strands.
2. To clean the fibers by discarding the extraneous objects.
3. Thoroughly combining the various fiber components of a mixture to produce a
Homogeneous blend.
4. To transmit the fibers equally in the carding machine.
Machine description :
Electronic metal extractor (Trutzschler ):
• three kinds of auxiliary equipment can be found in blow room section: 1. Metal Extractor/
Heavy particle separator.2.Fire eliminator. 3.Waste disposal.
• Electronic extractor machine separates metal particles of varying size i.e., magnetic or
non-magnetic.
• there’s a metal detector locating in the transport ducting which has the adjustable
sensibility.
• a spark sensor detects smoldering material.
• there’s a active operating flap that is opened by a signal from the detector and feeds the
material into receiving waste container
• An eliminating arrangement is provided about 15 m after the detector.
2. • When a piece of metal of any kind passes through the detector, the entry and exit flaps are
set that the material cannot fly straight through the duct but must through the eliminator.
• The grid holds the raw material.
• The floor (5) of the collector chamber opens and the contents fall into a transport container
(6).
Step cleaner :
• The substance enters the feed hopper and is sent to the first beater.
• then it is moved higher from there by the six beater rollers. carrying profile bars in each.
• The beaters are positioned in a line that is 45 degrees angled upward.
• Impurities are removed while the material is continuously passed across grids that are
positioned beneath rollers.
• High flow chamber step cleaners with unique baffle plates are available thus cleaning
intensity is done .the grids are adjustable and also the beater speed can be controlled .
3. The dual roller cleaner( Model b31/1 by marzoli ):
• The machine has two drums with a combined 610 mm drum diameter revolving in
a large cleaning chamber.
• Under the dual rollers a fan draws material through the machine through suction.
• Before moving on to the second roller, the initial opening roller runs the material over the
grid three times.
• Thrash falls into the bucket . Guides shits in the hood direct the tufts .
4. Rieter B12 Uniclean
cleaning Efficieny :
It's designed for thorough coarse cleaning. Only a small fraction of the contaminants must be
removed in the later phases of the process. As a result, the fibers are simultaneously cleansed.
Fiber realization was up to 2% higher in run-through than in traditional blow room lines. The grid
bars' optimal cross section, efficient material routing, and wide dedusting surface allow for the
cleaning of up to 1400 kilos of material every hour. The influence of air on cleaning is not a
problem. An airlock roller transfers the removed trash to the waste removal system once it falls
into the waste chamber. The garbage removal procedure is done on a regular basis. Only around
0.5 m3/s of dust-laden air collects as a result. This cuts down on the amount of energy needed. The
B 12 can simply be integrated into existing systems because it takes up minimal room. It also
improves the efficiency of existing cleaning systems.
5. Rieter B12 Uniclean working principle :
The material is picked up and mechanically passed across the cleaning grid five times in the
UNIclean B 12. The raw material is then guided across the dedusting surfaces built into the system.
Mechanically removes the tiniest seed coat fragments and dust. Cleaning is done without nipping
points, which is both delicate and efficient on the fibers. Quick adjustment in multi-assortment
mode The settings of the B 12 are automatically adjusted to the specific material when the UNIfloc
A 12 processes different assortments. This is accomplished using the UNI control blow room
control system.
Magnetic extractor machine :
Metal Extractor/ Heavy particle separator:
• Magnetic metal extractor (Marzolip):
6. • The knee-band extractors have permanent magnet at the two impact surfaces. •
When flocks are driven against the magnets, ferrous particles are retained and can be removed from time
to time. •
Magnetic extractors provide only a partial solution to the problem because they can eliminate only
magnetizable metal particles and they let all the pass. •
Electronic extractors are needed to remove the other particles.
Discussion :
Through this experiment we were well known about the machineries used in the blow room. Their
function and their application in operating system . different machines are used for different
purposes . We were also introduced with machine parts and functions. The machines were drawn
in the class and we were conceptually conducted .
Conclusion :
Because such machines are expensive to afford and put in laboratories, this experiment was
conducted conceptually. By the help of respective teacher, can visit industries which can help us
understand more about this process. In addition, newer equipment is being used while older
technology is being phased out. As a result, by the time we begin working in an industry, newer
versions of the machinery we've learnt about may be available.