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IR Paper Dryers

High intensity infrared dryers are a world favourite for coating immobilisation for improved quality of coated paper/paperboard.   Why Litel […]

About the product

High intensity infrared dryers are a world favourite for coating immobilisation for improved quality of coated paper/paperboard.


Why Litel ?


 Litel’ introduced Short-wave Infrared Dryers in India in the early 90’s.

Now we are offering the third generation design with many state-of-the -art features.



-Enhanced quality of the coated surface due to quick coating immobilization.
-Elimination or reduction of scale on initial dryers
-Simplified sheet travel because of compact IR dryer.
-Provides better coverage or reduce fibre swelling and show- through.
-Allows lower coat weight and increased amounts of synthetics in the surface coating.
-Reduces the restoration time following sheet breaks/stops.
-Improves control over process because of fine tuning ability.
-Instant cool down limits the possibility of web damage during emergency stop.
-Fast response to product temperature, speed and moisture variation ( if moisture sensor is provided ) ensures invariant  quality and enhanced production.
-Instant ‘switch on’ minimizes waiting time and under processed products


New generation Litel high intensity Infrared Dryer : salient features  at a glance


-Proven with several prestigious (References available on request)

-Indigenously developed system to meet world-class drying results.

Proven IR emitter design


-Self-manufactured infrared emitters which are internationally accepted.

-These high-penetrating capacity shortwave emitters are exported to developed countries like US, UK, Germany etc.

World-class equipment design


-Lightweight, compact equipment (typically 0.5m / 1m in the direction of sheet travel), corrosion free construction in stainless steel. Its unique pivoted type design makes it suitable for installation in any position and direction.

-High intensities of IR radiation ( up to 600 kW/M² ).

-24 carat Gold coated reflectors manufactured in-house.  Gold has a reflectivity of 99%. The savings in electricity bills are enormous.

-Quartz sheet cover- is transparent to infrared radiation. Protects the emitters and gold coated reflectors from water splashes and dust; can be cleaned easily.

-Another important feature of Litel dryer is that the total power consumption of fans is less than any known imported system and also substantially less than the hot air based systems available on the market

Unique air system design


-Air Management System :  At the sheet surface there is a boundary layer of air which rapidly becomes saturated and obstructs further evaporation. Hence an effective air management system is essential, to maintain thermal efficiency and to prevent curl and uncontrolled sheet temperature variation.

-Air impingement at elevated temperatures and continuous exhaust of vapour laden air give a higher efficiency of evaporation.

-A unique feature of Litel equipment is the absolute uniformity of velocities across the width.

-Enhanced life of components due to air cooling. IR emitters have given 15000-20000 hrs life in field.

Controls and automation


-Instantaneous ‘On’ & ‘Off’ switching of emitters

-Thyristorised (SCR) power regulator for stepless power variation.

-Automatic safety interlocks against breakage in web, machine stoppage, blower failure etc

-Energy monitoring system reduces  power consumption

-Complete PLC based control system with  touch-screen controls

-Option of Internet connectivity  for the equipment which helps to monitor the equipment from litel factory and modify the program or troubleshoot.

-Digital power controllers

Customer support


-Trained service engineers for service backup.
-Readily available spares.
-Verification of parameters and change of software if required.
-Annual maintenance contract



-On-line coating immobilization
-Moisture profile correction
-Edge drying
-As a speed booster
-As a speed booster after size press





Case Studies