Infrared Emitter Array for IR Drying/Curing Tunnels

Product Specifications

Technical details and manufacturing context for Infrared Emitter Array

Definition

The infrared emitter array is a critical component of IR drying/curing tunnels, consisting of multiple individual infrared heating elements (emitters) arranged in a specific geometric configuration (e.g., linear, grid, or panel). Its primary function is to generate and project controlled infrared radiation onto the surface of materials passing through the tunnel, facilitating rapid and efficient drying, curing, or heating processes by transferring thermal energy directly to the target. The array is designed for integration into industrial machinery, typically as a modular section that can be sized to fit the tunnel's width and length. It operates on AC input voltages ranging from 220 to 480 V, with total power consumption between 10 and 50 kW depending on the array length. Radiant power density ranges from 30 to 80 kW/m², and emission wavelengths fall within 2.0 to 4.0 μm, suitable for efficient IR drying. The array achieves temperature uniformity of ±5% across its width, with emitter surface temperatures reaching 400–800 °C. It is built with materials such as quartz glass, tungsten filaments (for halogen types), ceramic elements, nickel-chromium alloy heating wire, and aluminum reflectors/housings. The ingress protection rating is IP54 to IP65 per IEC 60529, indicating dust and water resistance. Standard array widths range from 500 to 2000 mm, and lengths from 1000 to 6000 mm, with modular sections for customization. Weight varies from 50 to 300 kg depending on size and materials. The typical lifespan is 5000 to 10000 operational hours. Operating temperature range is -20 to 60 °C. These values are reference ranges; actual specifications must be confirmed with the legal manufacturer or supplier for the specific model and application. The array is a component, not a standalone system, and requires proper electrical and mechanical integration. Verification of parameters and compliance with applicable standards is essential before procurement.

Working Principle

The array operates by electrically powering its individual infrared emitters (typically quartz tubes, ceramic elements, or halogen lamps), which convert electrical energy into infrared radiation. This radiation is emitted in specific wavelengths (short-wave, medium-wave, or long-wave IR) and directed onto the target material. The material absorbs this radiation, causing molecular vibration and generating heat from within, leading to efficient surface or through-heating for drying, curing, or pre-heating applications. The arrangement of emitters in a pattern ensures uniform heat distribution across the material's surface. The array's design allows for controlled power input and wavelength selection to match the absorption characteristics of the material being processed. Proper operation requires correct electrical supply, thermal management, and alignment within the tunnel. Maintenance signals include uneven heating, reduced output, or emitter failure. The array's performance is influenced by factors such as emitter condition, reflector cleanliness, and ambient temperature. It is not designed for outdoor use without additional protection. The working principle is based on radiative heat transfer, which is distinct from convective or conductive methods.

Common Materials

Quartz Glass, Tungsten Filament (for halogen types), Ceramic (for ceramic emitter types), Nickel-Chromium Alloy (heating wire), Aluminum (reflector/housing)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Emission Wavelength	2.0–4.0 μm	Peak wavelength range for efficient IR drying
Radiant Power Density	30–80 kW/m²	Higher density increases drying speed
Input Voltage	220–480 V AC	Three-phase or single-phase options
Power Consumption	10–50 kW	Total power for array length
Operating Temperature	-20–60 °C	Ambient temperature range
Max Surface Temperature	400–800 °C	Emitter surface temperature
Temperature Uniformity	±5 %	Across the array width
Ingress Protection	IP54–IP65	Dust and water resistanceIEC 60529
Array Width	500–2000 mm	Standard widths; custom available
Array Length	1000–6000 mm	Modular sections for length
Weight	50–300 kg	Depends on size and materials
Emitter Material	Quartz	High thermal shock resistance
Lifespan	5000–10000 h	Average operational hours

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Infrared Emitter Tube/Lamp Part
The core heating element that generates infrared radiation when powered.

Material: Quartz glass, tungsten, ceramic
Reflector Part
Directs and focuses the emitted infrared radiation towards the target material, improving efficiency.

Material: Polished aluminum, gold-coated surface
Electrical Connector/ Terminal Block Part
Provides secure electrical connections for powering the emitters.

Material: Ceramic, high-temperature plastic, brass
Mounting Frame/Housing
Holds all emitters and components in the specified array configuration and provides structural support and protection.

Material: Stainless steel, aluminum alloy
Insulation/Spacer Part
Provides electrical isolation and thermal management between emitters and the housing.

Material: Mica, ceramic fiber

Applied To / Applications

This component is essential for the following industrial systems and equipment:

IR Drying/Curing Tunnel

View system integration details

Infrared Heating Zone

View system integration details

Manufacturers of Infrared Emitter Array

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Frequently Asked Questions

What are the typical emission wavelengths for this infrared emitter array?

The array emits infrared radiation in the wavelength range of 2.0 to 4.0 μm, which is suitable for efficient IR drying. This range corresponds to medium-wave infrared, but the actual wavelength depends on the emitter type (quartz, ceramic, or halogen) and operating temperature. Verify the specific wavelength for your application with the manufacturer.

How is the array powered and what is the power consumption?

The array operates on AC input voltages from 220 to 480 V, with options for single-phase or three-phase. Total power consumption ranges from 10 to 50 kW depending on the array length and emitter configuration. The radiant power density is 30 to 80 kW/m². Ensure your facility's electrical supply matches the requirements.

What is the ingress protection rating and why is it important?

The array has an ingress protection rating of IP54 to IP65 per IEC 60529, indicating resistance to dust and water. This is important for industrial environments where moisture or particulates may be present. The rating ensures safe operation and longevity, but the actual level should be confirmed for the specific model.

Can the array be customized to fit different tunnel sizes?

Yes, the array is modular and available in standard widths from 500 to 2000 mm and lengths from 1000 to 6000 mm. Custom sizes may be available from the manufacturer. The array can be configured in linear, grid, or panel patterns to suit the tunnel's design. Always confirm dimensions and configuration with the supplier.

Data Basis

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Preliminary Technical Classification

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pressure:	Atmospheric to 1.5 bar (sealed enclosure dependent)
other spec:	Wavelength: 2-5 μm (typical for drying/curing), Power density: 5-50 kW/m² configurable, Response time: <1 sec
temperature:	Ambient to 400°C (operating), up to 600°C (peak)

Infrared Emitter Array

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards