Rana Seminar

8/6/2019 Rana Seminar

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Presented by :Presented by :

Rana Atique Ur RehmanRana Atique Ur Rehman

20082008--agag--6262


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INTRODUCTIONINTRODUCTION

Textile market is becoming sensitiveTextile market is becoming sensitivebuyerbuyers market. Weaver is demandings market. Weaver is demanding

dimensioned quality with consistencydimensioned quality with consistencyfrom spinners. Therefore in order tofrom spinners. Therefore in order to

satisfy these demands without alteringsatisfy these demands without alteringthe raw material the concept of YARNthe raw material the concept of YARNCONDITIONING PLANT came into pictureCONDITIONING PLANT came into picture

to supply the yarn with increasedto supply the yarn with increasedstrength,strength,


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Elongations, reduced snarling ofElongations, reduced snarling of

yarn, improved working at postyarn, improved working at postspinning processes like weaving,spinning processes like weaving,knitting, etc.knitting, etc.

Yarn conditioning reduces invisibleYarn conditioning reduces invisibleloss to the spinners. XORELLAloss to the spinners. XORELLACONDITIONING PLANT gives us evenCONDITIONING PLANT gives us evenpenetration of steam into all thepenetration of steam into all the

layers of yarns on cone & ensureslayers of yarns on cone & ensureseven conditioning effect throughouteven conditioning effect throughoutthe package.the package.


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Present Demand In these days there is a dramaticIn these days there is a dramatic

change in the production level ofchange in the production level ofweaving and knitting machines,weaving and knitting machines,because of the sophisticatedbecause of the sophisticated

manufacturing techniques.manufacturing techniques. Yarn quality required to run onYarn quality required to run on

these machines is extremely high.these machines is extremely high. In order to satisfy these demandsIn order to satisfy these demands

without altering the raw material, itwithout altering the raw material, itwas decided to make use of thewas decided to make use of thephysical properties inherent inphysical properties inherent in thethecotton fibres.cotton fibres.


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Why conditioning isWhy conditioning is

required?required? Moisture in atmosphere has a greatMoisture in atmosphere has a greatimpact on the physical properties ofimpact on the physical properties oftextile fibres and yarns .textile fibres and yarns .

A high degree of moisture improvesA high degree of moisture improvesthe physical properties of yarn.the physical properties of yarn.

Moreover it helps the yarn to attainMoreover it helps the yarn to attainthe standard moisture regain value ofthe standard moisture regain value of

the fibre.the fibre. Yarns sold with lower moisture contentYarns sold with lower moisture content

than the standard value will result inthan the standard value will result inmonetary loss.monetary loss.


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Conventional SteamingConventional Steaming

TreatmentTreatment Cotton fibre is hygroscopic materialCotton fibre is hygroscopic material

and has the ability to absorb water inand has the ability to absorb water in

the form of steam.the form of steam. The standard conventional steamingThe standard conventional steaming

treatment for yarn is chiefly used totreatment for yarn is chiefly used toavoid snarling inavoid snarling in further processing.further processing.


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It does not result in lastingIt does not result in lasting

improvement in yarn quality.improvement in yarn quality.

The steaming process may fail toThe steaming process may fail toensure even distribution of theensure even distribution of themoisture, especiallymoisture, especially on crosson cross--woundwoundbobbins cheeses) with medium to highbobbins cheeses) with medium to highcompactness.compactness.


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XORELLACONDITIONINGXORELLACONDITIONING

PROCESSPROCESS Thermal conditioning uses lowThermal conditioning uses low--

temperature saturated steam intemperature saturated steam invacuum.vacuum.

The vacuum first removes the airThe vacuum first removes the airpackets from the yarn package topackets from the yarn package toensure accelerated steam penetrationensure accelerated steam penetrationand also removes the atmosphericand also removes the atmospheric

oxygen in order to prevent oxidation.oxygen in order to prevent oxidation.


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The yarn is uniformly moistened byThe yarn is uniformly moistened by

the gas.the gas.

The great advantage of this process isThe great advantage of this process isthat the moisture in the form of gas isthat the moisture in the form of gas isvery finely distributed throughoutvery finely distributed throughout thetheyarn package and does not cling to theyarn package and does not cling to the

yarn in the form of drops.yarn in the form of drops.


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Working principleWorking principle

It works on the principle ofIt works on the principle of

conditioning the yarn in vacuum byconditioning the yarn in vacuum bylow temperature steam.low temperature steam.


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Main parts of machineMain parts of machine

Outer closed surfaceOuter closed surface

Control PanelControl Panel

Water TankWater Tank Temperature Meter (Temperature Meter (ooC)C)

Pressure Gauge (Bar)Pressure Gauge (Bar)

Vaccum PumpVaccum Pump

HeatersHeaters

ThermostatThermostat

Input TrackInput Track


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Working MechanismWorking Mechanism

Fill up TankFill up Tank Creating the VacuumCreating the Vacuum

Transfer of WaterTransfer of Water

HeatingHeating Reversing of Water to the TankReversing of Water to the Tank

Vacuum CreationVacuum Creation

Transfer WaterTransfer Water HeatingHeating

Reverse the WaterReverse the Water

Completion of ProcessCompletion of Process


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TEMPERATURE SETTINGS FORTEMPERATURE SETTINGS FOR

DIFF

ERENTY

ARNS

DIFF

ERENTY

ARNS

TEMPERATURE HOIESRY YARN WARP YARN SYNTHETIC

YARN

1st Cycle 650C (5 mint) 650C(5 mint) 900C (5 mint)

2nd Cycle 700C (20 mint) 850C (15 mint) 1200C (20 mint)


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Program FeedingProgram Feeding

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COMPARISONOFCOMPARISONOF

CONVENTIONALANDVACUUMCONVENTIONALANDVACUUM

CONDITIONINGCONDITIONING

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ADVANTAGES OFADVANTAGES OF

XORELLASS PROCESSXORELLASS PROCESS ItIt is mainly usedis mainly used for setting twist .for setting twist . Saturated steam through out theSaturated steam through out the

process.process. Even penetration of steam andEven penetration of steam and

distribution of moister.distribution of moister.

Lowest energy consumption.Lowest energy consumption.

Short process time.Short process time.

Absolute saturated steam atmosphereAbsolute saturated steam atmosphereof50of5000C to 150C to 15000C.C.


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No additional boiler required, theNo additional boiler required, thesteam is generated in the system.steam is generated in the system.

Minimum energy consumptionMinimum energy consumption(approx. 25 kwh for 1000 kg of(approx. 25 kwh for 1000 kg ofyarn).yarn).

Treatment of all natural yarns, blends,Treatment of all natural yarns, blends,synthetics and microfibre yarns.synthetics and microfibre yarns.

Low installation and maintenance cost.Low installation and maintenance cost.

Standardize sizes.Standardize sizes.


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No contamination of the treatedNo contamination of the treatedpackages.packages.

Energy recovery option offered byEnergy recovery option offered byindirectindirect heating system using steamheating system using steamor hot water.or hot water.

No special location required, theNo special location required, thesystems can be operated next to thesystems can be operated next to the

production machines.production machines.


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Benefits For KnittingBenefits For Knitting

The treatment temperature for knittingThe treatment temperature for knittingyarn is held below the melting point ofyarn is held below the melting point ofthe wax.the wax.

Temperatures for unwaxed yarn areTemperatures for unwaxed yarn arecoordinated to the compatibility forcoordinated to the compatibility foreach individual type of yarn.each individual type of yarn.

Upto 20% greater efficiency due to aUpto 20% greater efficiency due to areduction in the unwinding tension.reduction in the unwinding tension.

Fewer needle breaks.Fewer needle breaks.


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Uniform moisture content and frictionUniform moisture content and frictionvalues.values.

Regular stitch formation.Regular stitch formation.

No change in size of finished articles.No change in size of finished articles.

No extra dampening required.No extra dampening required.

Less fly hence less problems. It helpsLess fly hence less problems. It helpsif the yarn is running on a closerif the yarn is running on a closergauge machines.gauge machines.


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Benefits for Weaving:Benefits for Weaving:

Upto 15% fewer yarn breaks due toUpto 15% fewer yarn breaks due togreater elongation.greater elongation.

Less fly, resulting in a better weavingLess fly, resulting in a better weavingquality.quality.

Increased strength.Increased strength.

Softer fabrics.Softer fabrics.


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FORDYEING:

No streaks

Better dye affinity


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Rana Seminar

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