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Infrared Quartz Heaters

Infrared Quartz Heaters

-- Steady & Reliable Manufacturer --

Introduction

Infrared Quartz Heaters (also known as Quartz IR Lamps or Quartz Heating Elements) are highly efficient, rapid-response heating sources widely used in industrial processes that require focused, fast, and precisely controllable radiant heat. These heaters typically consist of a tungsten or iron-chrome-aluminum (FeCrAl) resistance wire coiled within a sealed fused quartz tube or sheath. The quartz envelope serves as a protective, thermally durable, and highly IR-transmissive barrier. Yancheng Mingyang Quartz Products Co., Ltd. supplies the core quartz tubing and, in many cases, the complete heating element, leveraging the material's ability to withstand high wire temperatures (>1000∘C) and transmit IR radiation with minimal absorption. The low thermal mass of the quartz and the direct radiant heat transfer allow for exceptionally quick ramp-up and cool-down times compared to conventional convection or ceramic heaters. This responsiveness is critical in automated production lines like rapid thermal processing in electronics, paint curing, paper drying, and thermoforming plastics.

We specialize in the high-purity quartz tubing used for these elements, offering precise dimensional control and various end treatments (e.g., ground ends, ceramic-capped terminations) tailored for seamless integration into industrial heating systems. Our quartz tubing for IR heaters is engineered to resist thermal shock and to maintain its structural integrity over thousands of heating/cooling cycles. We also offer specialized grades, such as Halogen Quartz Heaters, where a halogen gas is sealed inside the tube to prevent the tungsten filament from evaporating, extending the heater's life and maintaining a higher operating temperature. The choice of clear or milky (opaque) quartz is also available; clear quartz provides focused, high-intensity heat, while milky quartz provides a more diffused, uniform heat distribution over a larger area. We supply both linear and custom-bent quartz elements to match the precise heating zone geometry required by the client’s process, ensuring maximum energy efficiency and product quality.

For OEM manufacturers of industrial ovens and drying equipment, our quartz IR heating elements provide a reliable, energy-efficient, and customizable heat source that significantly improves the throughput and quality of their final product.

Specification Parameters

ParameterDetails
Element TypeShort-Wave, Medium-Wave, or Halogen IR (Tungsten/FeCrAl filament)
Quartz Envelope TypeClear Fused Quartz (High IR focus) or Opaque/Milky Quartz (Diffused IR)
Peak Wavelength Range1.0 μm to 3.0 μm (Tuned by filament temperature)
Max Filament TempUp to 2200∘C (Halogen type); 1200∘C (Standard IR type)
Power DensityHigh power density capability, typically 50 W/in up to 200 W/in
Operating VoltageStandard 120 V / 240 V / 480 V (Custom specifications available)
Heat-Up TimeSeconds (Short-wave/Halogen type) to Minutes (Medium-wave type)
Custom GeometryLinear, Single Tube, Twin Tube, U-shaped, and Custom Curved Elements

The effectiveness of Infrared Quartz Heaters is based on the precise control over the radiant energy wavelength, which is determined by the filament temperature. The Peak Wavelength Range of 1.0 μm to 3.0 μm is highly efficient for targeted heating of most organic and plastic materials. The Quartz Envelope Type is a key design choice: Clear Quartz transmits the IR radiation with high directionality, while Opaque/Milky Quartz absorbs the filament heat and re-radiates it more uniformly across its surface, creating a softer, broader heating field. We ensure the Power Density capability is high by using precision-coiled resistance wire and high-purity quartz tubing that can withstand the associated thermal stress. The Halogen Type heaters, using a tungsten filament and sealed halogen gas, achieve the highest temperature (∼2200∘C) and the fastest response time (seconds), making them ideal for rapid thermal processing. We use specialized glass-to-metal seals at the tube ends to ensure a high-integrity, electrically insulated connection, and we custom-bend the tubes using precise tooling to create specialized geometries (e.g., parabolic or circular) that focus or distribute the heat exactly as required by the client’s oven or machine design.

Applications

  • Plastics Thermoforming and Preheating: Used to quickly and precisely heat plastic sheets to the forming temperature in automated machinery, leveraging rapid response time.

  • Paint and Powder Coating Curing: Employed in drying tunnels and ovens to cure paint and powder coatings on vehicle bodies or metal parts, speeding up the process and improving finish quality.

  • Electronics and Semiconductor Processing: Used in specialized rapid thermal processing (RTP) equipment for the quick annealing or processing of electronic components and thin films.

  • Printing and Paper Drying: Integrated into high-speed printing presses and paper machines to quickly dry inks, coatings, and moisture, preventing smearing and increasing production speed.

  • Food Service and Warming: Used as a clean, efficient radiant heat source for food warming, sterilization, and catering equipment.

  • Space and Process Heating: Employed as supplemental, high-intensity heat sources in challenging industrial environments.

The application of IR quartz heaters provides a unique advantage by focusing the energy directly onto the product, rather than heating the air. This makes the process significantly more energy-efficient and faster than traditional convection heating. The high IR transparency of the quartz envelope means minimal energy is wasted heating the component itself. For complex industrial applications, we offer customized twin-tube heaters, where two heating elements are run in parallel within a single quartz structure, providing higher power density and a more efficient heating geometry. The high durability of the quartz ensures the element can withstand splashing or thermal cycling common in industrial lines, providing a long service life and reducing replacement costs. Furthermore, the clean, non-contaminating nature of the quartz envelope is essential for high-purity processing environments in the food and electronics sectors.

Advantages

  • Extremely Fast Response Time: Achieves full heat output in seconds, enabling precise temperature control and rapid processing cycles (e.g., in RTP systems).

  • High Energy Efficiency: Directly transfers radiant heat to the product with minimal energy loss to the surrounding environment, reducing operational costs.

  • High Durability and Longevity: The quartz envelope resists thermal shock and corrosion, and the Halogen type prevents filament evaporation, ensuring a long operational life.

  • Focused and Controllable Heat: Clear quartz allows for highly directional, concentrated heat, while opaque quartz provides uniform, diffused heating, tailored to the application.

  • Customizable Geometry: Available in linear, U-shaped, and custom-curved designs to match the exact dimensions and contours of the client’s heating zone.

  • Clean and Non-Contaminating: The high-purity quartz surface is inert, making the heater suitable for food-grade, medical, and sensitive electronics applications.

The advantage of our IR quartz heaters is rooted in their ability to deliver precision heat on demand. Our vertically integrated manufacturing ensures high-quality quartz tubing that minimizes IR absorption, maximizing the heater's efficiency. For OEMs, the reliability and high power density allow for a smaller, more efficient machine design compared to traditional heating methods. We offer full technical consultation on selecting the optimal IR wavelength (Short-wave, Medium-wave) and quartz type (Clear, Opaque) based on the target material's absorption characteristics, ensuring the highest possible heating efficiency and end-product quality. This expertise differentiates us from general heater suppliers.

Payment and Shipping

We accept standard payments (T/T, L/C). For large-volume orders of standard heaters, we offer consignment or scheduled delivery options with fixed, favorable pricing. For custom-engineered heating elements, a deposit is required to initiate the specialized filament winding and quartz fabrication.

Shipping Protocol for Heating Elements: Elements are fragile and require anti-shock packaging.

  • Protective Cradles: Each element is individually placed in a custom foam or cardboard cradle that supports the quartz and protects the fragile end connections.

  • Rigid Outer Boxes: Multiple cradles are secured in double-walled cartons or wooden crates to prevent movement and external impact during transit.

  • Freight: We utilize express air or dedicated truck freight to minimize handling and exposure. All shipments are insured, and we provide electrical and dimensional test reports.

Lead times for standard linear IR heaters are 10−15 working days. Custom-bent or complex Halogen elements may require 4−6 weeks. We ensure secure and timely delivery to maintain client production schedules.

Frequently Asked Questions (FAQ)

  • Q: Should I choose clear or opaque quartz for my IR heater application?

  • A: Clear quartz provides highly directional, focused, high-intensity heat—best for rapid heating of thin materials or spot heating. Opaque quartz provides uniform, diffused, lower-intensity heat—best for heating large areas or materials sensitive to high thermal gradients.

  • Q: What is a Halogen IR heater and why use it?

  • A: A Halogen IR heater uses a tungsten filament and is filled with halogen gas. The gas prevents the tungsten from evaporating, allowing the filament to run at a much higher temperature (up to 2200∘C). This results in short-wave IR (fastest heat-up) and a significantly longer heater lifespan.

  • Q: Can the quartz element be submerged in water or used in a humid environment?

  • A: The quartz envelope itself is waterproof and chemically inert. However, the electrical terminal connections must be protected from moisture. We offer specialized end-seals and protective shrouds for high-humidity or splash-prone environments.

  • Q: What is the typical lifespan of a quartz IR heater?

  • A: Lifespan varies by type. Halogen IR heaters typically last 5,000 to 10,000+ hours. Standard medium-wave IR heaters typically last 10,000 to 20,000+ hours, depending on operating temperature, power cycling frequency, and mechanical environment.

From Made-in-China to
Global Smart Manufacturing

Yancheng Mingyang Quartz Products Co., Ltd. is a company specializing in the production of quartz and special glass products. Yancheng Mingyang Quartz Products Co., Ltd. is the production plant of Jinzhou Mingde Quartz Glass Co., Ltd. in Jiangsu, Since its establishment, the company has developed rapidly, introduced advanced technology and production equipment at home and abroad, and continuously improved and improved product quality. Relying on its own advantages, we have developed a variety of products suitable for the market and meet the needs of different customers, and solved many urgent production problems for our customers.

The company's products include quartz glass tubes, double-hole quartz glass tubes, quartz glass rods, quartz sheets, sapphire windows, calcium fluoride glass windows, infrared ultraviolet coatings, high-pressure resistant aluminosilicate glass window panels, quartz glass instruments, high borosilicate glass instruments, quartz crucibles, quartz gold-plated tubes, quartz heaters, quartz infrared heating tubes, far-infrared directional radiation heaters ultraviolet germicidal lamps and other special types of quartz glass products.

Yancheng Mingyang Quartz Products Co., Ltd.
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