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IR Heating Applications
Functions and Flexible Design of Infrared Heating Radiation Tubes in Solar Cell String Soldering
Non-contact Heating: Directly heats soldering points via infrared radiation to avoid mechanical contact damage to the cells. Precise Temperature Control: Rapid heating and stable temperature maintenance ensure complete melting of solder (e.g., solder paste) without overheating. Uniform Heating: Reduces thermal stress and prevents microcracks or efficiency loss in cells caused by localized high temperatures. II. Primary Objectives Reliable Electrical Connection: Achieves metallurgical bonding between cell busbars and ribbons (copper or tin-plated) through molten solder. Enhanced Soldering Efficiency: Adapts to high-speed automated production lines, meeting demands for high precision and consistency. III. Soldering Process Solder Selection: Use low-temperature solder paste (e.g., Sn-Pb or Sn-Ag-Cu alloys) with a melting point typically between 180–250°C. Preheating: Gradual temperature rise via infrared heating tubes prevents thermal shock-induced cell cracking. Peak Heating: Rapidly reach the solder’s melting point (e.g., 220°C) to enable solder flow and wetting of ribbons and cell busbars. Cooling and Solidification: Solder solidifies after heating stops, forming a stable connection. Pressure Assistance: Some equipment applies slight pressure (e.g., vacuum chucks or rollers) to ensure tight contact between ribbons and busbars. Infrared Heating Tube Design for Large-Sized Panels (4m×4m) 1. Length Design Coverage of Soldering Area: For continuous 4m soldering paths (e.g., full-panel soldering), design infrared tubes with a 4m emission length to enable single-pass soldering. 2. Power Design Example Solution (4m×4m Panel only for reference) Parameter Design Value Total heating tube length ≥4m (dual-tube design) Single-tube power 10–12kW Radiation wavelength Short-wave infrared (1–2μm, strong penetration capability) Temperature accuracy ±2°C (PID closed-loop control) Shortwave Twin Tube Quartz IR Lamp Twin Tube Short Wave Infrared Heating Lamp are widely used in high-efficient industrial fast heating applications. ①：Metal Heating For Aluminum Foil, Aluminum Casting, Aluminum Extrusion ②：Welding equipment such as copper plate or copper wire welding, electronic components wave soldering ③：Photovoltaic industry such as solar cell welding ④：Heating thin iron or steel plates ⑤：Preheating before sheet metal cutting ⑥：Other heating application such as environment quick heating for thawing or scientific research According to the configuration of different heating filament design and ending cables, twin tube infrared lamp can be produced as the following common filament configuration. 1: Cables can be one side connection or two sides connection 2: Different heating length designed for partial heating purpose 3: Length is up to 6 meter long and widely used in industrial heating process, such as glass cutting, plastics forming or lamination, auto painting and etc.. We are customized IR heating lamp manufacturer and we also provide one-stop service for your heating solution. Welcome to inquriy our high efficient heating infrared lamps. If you need twin tube IR lamps with other specifications, please refer the attached technical drawing and contact us for confirmation.
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Infrared Heating to Remove Burrs From Injection Molded Parts
During the injection molding process, burrs (flash) may form on the edges of parts due to mold gaps or excessive material fluidity. Traditional methods for deburring include mechanical trimming (knife, stamping), freezing deburring (low temperature embrittlement) or manual grinding, but these methods have problems such as low efficiency, damage to the surface of parts or high costs. Infrared heating technology uses non-contact precision heating to avoid mechanical damage, soften or melt burrs, making them easy to remove or automatically fall off, especially suitable for precision parts or thermoplastic materials (such as ABS, PP, PC, etc.). 1. Part positioning: The robot removes the injection molded part from the mold and fixes it to the infrared heating station to achieve fully automatic deburring. 2. Local heating: Heating is only for the burr area, and energy consumption is more than 50% lower than traditional hot air heating. Use short-wave infrared lamps (wavelength 0.8-1.4μm) to radiate the burr area in a directional manner, and the heating time is usually 1-5 seconds (adjusted according to the material thickness). Temperature control: The infrared lamp power is adjustable, and it is monitored in real time with a thermocouple or infrared thermometer to ensure that the burr temperature rises to the softening point of the material (such as about 105-120°C for ABS), but avoid overheating of the main body of the part. 3. Burr removal: The softened burrs are automatically removed by slight mechanical vibration, air flow blowing or a touch of the robot. For complex structural parts, laser cutting or robot flexible grinding can be combined for secondary processing.
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Industrial Glue Drying By Infrared Shortwave Quartz Heating Tube
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EDEN кварцевые инфракрасные лампы ИК-обогреватели - это промышленные элементы инфракрасного сушки
EDEN кварцевые инфракрасные лампы ИК-обогреватели - это промышленные элементы инфракрасного сушки, использующие кварцевое излучение. Эти обогреватели обеспечивают высокоэффективное и целенаправленное инфракрасное излучение, которое идеально подходит для различных промышленных процессов, таких как сушка материалов, отверждение покрытий, нагрев и другие применения, требующие точного и быстрого тепла.
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Drying and Infrared Heating Drying
1. Drying and Infrared Heating Drying Definition of Drying Drying is the process of removing moisture and volatile components from materials through evaporation, sublimation, or other means. The primary purposes of drying are to prevent spoilage, improve storage stability, extend shelf life, and meet subsequent processing requirements. Traditional drying techniques (such as hot air and steam drying) rely on medium-based heat transfer, which often results in high energy consumption, low efficiency, and uneven heating. Principle of Infrared Heating Drying Infrared heating drying utilizes infrared radiation to directly transfer energy to an object, penetrating the surface and causing water molecules to absorb energy and vaporize rapidly, thereby achieving fast and uniform drying. The wavelength of infrared radiation (typically ranging from 0.78 to 1000 microns) determines the energy penetration depth, and different wavelengths have varying absorption effects on materials. Traditional heating elements, such as milky quartz tubes, ceramic heaters, and stainless steel heating tubes, generate heat through resistance wires and transfer it via conduction, resulting in low thermal efficiency. Additionally, these elements tend to oxidize over time, leading to energy waste due to reduced heating efficiency. In contrast, transparent quartz infrared heating tubes with reflective coatings utilize vacuum-sealed tungsten alloy filaments that withstand temperatures up to 2500°C. The heating element is enclosed within a high-purity transparent quartz tube that transmits 99% of infrared radiation energy. The high-reflectivity coating reflects 50% of the infrared energy, enabling directional radiation heating, which significantly enhances energy efficiency. 2. Applications of Infrared Heating Drying in Various Industries Packaging Film：DryingInfrared heating precisely dries coatings, preventing film deformation caused by hot air. Drying speed is increased by three times. Fruits and Vegetables Dehydration：Retains heat-sensitive components such as Vitamin C (loss rate <5%, compared to >15% with traditional hot air drying). Surface Sterilization：Short-term high-temperature treatment effectively inactivates pathogens like Salmonella while preventing excessive heating of food. Sterilization of Instrument Packaging：Non-contact heating prevents secondary contamination, achieving a sterilization efficiency of 99.9%. Tablet Drying：Ensures uniform heating, preventing tablet cracking and maintaining moisture content within ±0.5%. Moisture Prevention for Electronic Components： Effectively dries circuit board packaging films, reducing humidity below 100 ppm to prevent oxidation. Automobile Coating：Infrared preheating of paint shortens curing time to one-third of traditional processes and reduces orange peel defects. 3. Example: Infrared Drying in Leather Processing Infrared drying offers the following advantages in leather processing: Rapid Drying Infrared radiation partially penetrates the leather, creating a temperature gradient between the surface and the interior. This accelerates moisture diffusion from the inside out, significantly shortening drying time. Uniform Heating Both the surface and interior of the leather absorb infrared radiation, ensuring even drying. This improves leather color consistency, enhances physical properties, and boosts final product quality. High Energy Efficiency Compared to traditional steam or hot air drying, infrared drying equipment is simpler in structure and consumes less energy. Energy savings can exceed 50%, while the compact design allows for easy operation.
What is Drying? What is Infrared Heating Drying?
What is Drying? Drying refers to the process of removing moisture or other volatile components from a material through evaporation, sublimation, or other methods. The primary purpose is to reduce the moisture content to prevent spoilage, improve storage stability, extend shelf life, enhance material stability and mechanical properties, facilitate transportation and storage, and meet subsequent processing requirements. What is Infrared Heating Drying? Infrared heating drying is a drying technology that uses infrared radiation energy to heat objects and promote moisture evaporation. Infrared radiation is an electromagnetic wave with a wavelength range typically between 0.78 and 1000 microns. Infrared heating mainly relies on radiant heat transfer, directly penetrating the surface of objects, allowing water molecules and other volatile components to absorb energy and evaporate, thus achieving rapid drying. Applications of Infrared Heating Technology in Packaging Production for the Food and Medical Industries Food Packaging Material Drying: Used for drying food packaging films or coatings to ensure uniformity and stability. Food Dehydration: Used for rapid dehydration of fruits, vegetables, and meat products, preserving nutrients and extending shelf life. Food Sterilization: Utilizes the high-temperature characteristics of infrared radiation to sterilize food surfaces, improving food safety. Medical Device Packaging Sterilization: Used for the sterile treatment of medical equipment packaging, enhancing hygiene standards for medical products. Pharmaceutical Packaging Drying: Applied to the drying of pharmaceutical capsules and tablet packaging to ensure product stability. Electronics Packaging: Used for drying electronic component packaging films to prevent moisture-related short circuits or damage. Cosmetics Industry: Applied to the drying of packaging materials for skincare products, lipsticks, etc., improving product quality and appearance. What is Quartz Infrared Heating Lamp? High Efficiency Infrared Lamps are made by three parts, radiation body、filament and other accessories. The radiation body is transparent quartz glass tube. High temperature resistant heating filaments are tungsten alloy, Ni-Cr alloy and carbon materials. Other accessories include molybdenum electrode、cables、insulating ceramics. When the infrared lamps are connecting power supply, the heating filaments reach high temperature in seconds and the radiation body emitter lots of infrared rays, so the objects will absorb those amounts of infrared and be heated very fast. If we install fast heating IR lamps in your machine or production lines, we can dry our products faster and increase our productivity. What is the Advantages of Quartz Infrared Hetaing Lamp? 1: Infrared heating lamps can be switched on and off quickly. 2: 1~2 seconds fast response time to full power IR heating energy. 3: Accurate（±1 ℃）IR heating temperature control with regulators or solid state relays. 4: Small installation space requests, flexble distribution to meet evenly drying. 5: Our infrared heating lamps are for all industrial heating applications, the highest working temperature up to 1000 ℃. 6: Special Gold reflector (90% reflective rate) and Ceramic white reflector (70% reflective rate) coated on IR lamp quartz tube surface to reflect infrared radiation energy back on heated objects. 7: Matched IR radiation wavelength for different heated materials, especialy for moisture drying, coating drying, laminating, paper printing, textile dyeing or drying and etc.. 8: Customzied heating power density-The highest surface power output of shortwave IR lamp is 300KW/M2, Fast response medium wave IR lamp is 200KW/M2, Carbon medium wave IR lamp is 150KW/M2, Medium wave IR lamp is 120KW/M2.
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Quartz Infrared Lamps For Chemical Compounds or Liquids Heating
In the development and production of high-purity magnesium compounds, heating is generally required, as many processes necessitate precise temperature control to achieve the desired reactions or purity levels. Why is heating necessary? The production of high-purity magnesium compounds typically involves the following thermal processes: Thermal reduction: This involves heating magnesium ores (usually magnesium carbonate or magnesium oxide) with a reducing agent to high temperatures to produce pure magnesium metal. This process typically requires high temperatures (above 700°C). Dehydration: Some magnesium compounds (such as magnesium hydroxide) need to be heated to remove water, transforming them into anhydrous compounds. Sintering or calcination: For certain magnesium compounds, sintering at high temperatures is necessary to achieve solid structures with the correct crystal structure or porosity. Application of Quartz Infrared Heating Tubes: The quartz casing of infrared heating tubes is chemically inert, preventing metal contamination, and is especially suitable for magnesium compound production processes that require precise temperature control and heating rates. Localized heating: Quartz infrared heating provides precise and efficient heat transfer, which is particularly important in processes like calcination or dehydration, where high-precision control is needed. Rapid heating: Infrared heating can quickly raise the temperature of specific areas within a reactor or furnace, improving efficiency and reducing overall processing time. Chemical inertness: The quartz casing of infrared heating tubes is resistant to acids, alkalis, solvents, and high temperatures, making it suitable for directly heating chemical liquids. Energy efficiency: Infrared heaters are generally more efficient than traditional heating methods because they heat the material directly, rather than wasting energy heating the air or the surrounding environment. Heating reactors: In certain setups, quartz infrared heating tubes can be used to precisely heat magnesium chloride or magnesium hydroxide to facilitate thermal decomposition. Thermal treatment of magnesium powders: Quartz infrared heating tubes can also be used in the production of magnesium-based powders or coatings, processes that require uniform heating to maintain high purity.
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Preheating and Drying Effects of Infrared Heating Technology in Industrial Processing
Preheating and Drying Effects of Infrared Heating Technology in Industrial Processing Infrared heating achieves energy savings, quality improvement, and cost reduction in preheating and drying processes through wavelength matching with the heated object's absorption, non-contact radiation heat transfer, and efficient energy conversion. This technology is particularly irreplaceable in moisture drying applications. 1.1. Food Processing Rapid and Uniform Heating: Infrared radiation directly penetrates the food's surface, enabling simultaneous internal and external heating, reducing preheating time (e.g., baking, meat thawing), and minimizing nutrient loss. Surface Sterilization: Short-wave infrared (0.76-2μm) can instantly eliminate surface microorganisms, enhancing the safety of bottled and canned foods. Mid-wave infrared (2-4μm) is effective for killing insect eggs in fruits or drying moisture in chili peppers, vegetables, tea leaves, and traditional Chinese herbs. 1.2. Coating Curing Precise Temperature Control: Infrared wavelengths can be tailored to match the absorption spectra of coatings (e.g., mid-wave infrared 2-4μm is suitable for polymer resins), preventing excessive heating of the substrate. Gradient Heating and Modular Design: Adjusting the number of infrared heaters in different zones, combined with precise temperature control (±1°C), accommodates substrates with irregular shapes. Zone-specific radiation intensity control facilitates gradient curing from the surface inward, reducing defects like bubbles and orange peel. 1.3. Textile Printing Non-Contact Heating: Many printing equipment rollers have insufficient heating or prolonged preheating times. Infrared heating, designed for curved surfaces, achieves uniform temperature elevation, avoids mechanical damage to flexible materials, and shortens drying time, making it suitable for high-precision textile printing pre-drying. 1.4. Wood Coating Preheating The efficiency of infrared heating is utilized in the preheating and drying stages of coating equipment. Specifically, infrared preheating before spraying paint on wood raises the wood's surface temperature, ensuring uniform paint adhesion and consistent thickness. 1.5. Electronics Industry Localized Heating: Focusing infrared radiation allows precise preheating of solder joints or encapsulants, preventing thermal damage to components from overall heating. Fast Response: Infrared systems have rapid start-stop times (milliseconds), suitable for high-precision semiconductor packaging processes. Comparison of Infrared Heating with Traditional Heating Methods Infrared heating technology offers distinct advantages over traditional heating methods such as hot air convection and microwave drying. The following table summarizes the key performance indicators of these heating methods: / Infrared Drying Hot Air Convection Drying Microwave Drying Heat Transfer Efficiency Direct radiation (60-80%) Indirect transfer (30-50%) Volume heating (50-70%) Drying Uniformity High (requires wavelength matching) Low (prone to temperature gradients) Prone to hotspots (requires uniform field design) Energy Consumption Cost Low (no medium heating loss) High (requires substantial air circulation) Medium to high (electrical energy conversion loss) Equipment Complexity Simple (no fans/duct systems) Complex (requires hot air circulation system) Complex (magnetron/waveguide design) Infrared Drying Tea Leaf Infrared Drying: Infrared drying has been shown to increase the content of tea polyphenols by 10%～15%, enhancing the quality of the dried tea leaves. Automotive Coating Infrared Curing: Utilizing infrared curing has reduced drying times around 40% and decreased volatile organic compound (VOC) emissions more than 30%, contributing to both efficiency and environmental sustainability. PCB Board Pre-Baking: Implementing infrared pre-baking has cut half processing times , streamlining production without compromising quality.
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