Short Wave Infrared Heating


Short Wave Infrared Heating

 
Short wave infrared heating elements, or infrared emitters comprise a linear coiled metal filament surrounded by a clear quartz envelope (tube). The tube is evacuated, with the electrical connections being taken through seals on one or both ends. Short wave infrared refers tothat part of the wavelength spectrum of the emitted  light. The wavelength emitted of any infrared emitter is in direct relationship to the temperature of the filament: The peak wavelength is directly proportional to themaximum temperature of the filament.This is called Wien'sLaw. Short wave emitters deliver large amounts of infrared radiation energy very quickly and instanteously. Infrared radiation penetrates into the substrate with high efficacy compared to others modes of heating. Short wave emitters are in effect,  instant heat. The instantaneous operation of short wave heating elements has several advantages over other forms of heating including substantial power savings, high efficiency of heat delivery, compact installation and low level risk of fire hazards. Quartz twin tube Infrared Heating lamp with gold reflector
 

Standard Short Twin Tube Infrared Lamps-Standard Range PDF

 

Total Length (mm)

Heated Length (mm)

Voltage (V)

Power (W)

Watt density W/cm Leads (mm) Construction Section (mm)
145 80 115 600 60 500 B 23x11
145 80 240 600 60 500 B 23x11
300 200 240 1500 70 500 B 23x11
600 500 415 3000 60 500 B 23x11
800 700 415 4200 60 500 B 23x11
1150 1000 415 6000 60 500 C 23x11
1450 1300 415 7000 60 500 C 23x11
1850 1700 415 8500 50 500 C 23x11
2150 2000 415 9500 48 500 C 23x11
2250 2100 415 10000 48 500 C 23x11

Power Savings-Instant Heat

The power savings of a short wave heating system can be substantial compared to convection heating. Short wave infrared lamps have zero warm up time, they are effectively instant heat. A short wave infrared heating is one of themost efficient form of heating, delivering large amounts of energy instantly to where it matters most : onto the product, and no unnecessary heating of  the surrounding infrastructure. Because the system has a zero warm up time, it can be switched off during times when there is no product on the line, when there is a breakdown or even when operators go to lunch. Convection systems need hours to reach operating temperature and cannot be switchedoff without compromising production time.

Quartz Infrared heating Lamp

High Efficiency-The Quartz Envelope

The construction of a short wave infrared heating lamp means that large amounts of heat are delivered quickly, but also with extreme efficiency. Infrared heat is actually light, whereby heat is the result of the product absorbing the infrared light. When we designan infrared heatingsystem the properties of light must be considered: absorption, transmission and reflection. Quartz is translucent to IR radiation, which means the quartz envelope of the infrared lamp does not absorb the infrared radiation. About 95% of the power used is emitted onto the product,not in heating up the element. Typical heating elements like stainless steel, silicide, ceramic tiles, 50% of the energy is wasted just heating up the element itself.

Compact Installation

One of the main advantages of short wave infrared heating is the small size of the installation. Normal convection ovens are often enormous, consume large amounts of valuable space. For example , consider a standard  powder coating application: a typical convection oven will be atleast 10-20 meters in length. An IR system will less than a meter! In todays industrial market, factory space comes at a premium. Infrared heating systems are small, compact and easily retrofitted into existing processes. Installation is  simple, usually completed within hours, notweeks. Unlike gas convection systems, electric infrared heating requires no maintenance and ongoing compliance is not required. The lifetime of the quartz infrared twin tube, when installed correctly will be in excess of 100000 hours.

Infrared heating system powder coating booster oven
 

Specifications

  • Twin tube design for stability up to 3 meters continuous length
  • Quartz Section 23x11 or 34x14
  • Peak wavelength between 1.2 and 1.4 microns
  • Linear power density up to 100W/cm
  • Gold reflector standard
  • Standard or custom lengths available
  • Custom wiring configurations

INFRALiGHT-Advanced Heating Technology

 

infrared spectrum
 

 

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