Far infrared electric heating-Global supplier

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Far infrared electric heating

Product Introduction: 1. Far infrared wavelength range of 4-1000 microns, belonging to invisible light, suitable for thermal curing of various types o

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Product Introduction

远红外固化炉

1. The far-infrared wavelength range is 4-1000 microns, which belongs to invisible light and is suitable for the thermal curing of various types of coatings. It has a strong absorption effect on coatings, with an absorption and utilization rate of up to 80% and a reflectivity of less than 5%. It is very suitable for drying and curing coatings on thin-walled workpieces with simple shapes.

2. Far infrared radiation drying does not require an intermediate medium and can be directly transferred from the heat source to the heated object, so there is no heat loss caused by the intermediate medium. It has high thermal efficiency, fast drying speed, and is more energy-efficient than gas convection drying.

3. The coating quality is good. During the far-infrared radiation drying process, a part of the infrared radiation is absorbed by the coating film, while another part passes through the coating film to the workpiece substrate, generating micro resonance on the substrate surface and transferring heat to the coating film. The substrate surface and the coating film are heated simultaneously, so that the direction of heat conduction is consistent with the direction of solvent evaporation. This not only heats up quickly, but also avoids defects such as pinholes, bubbles, and orange peel that are prone to occur during the general drying process. In addition, external infrared radiation drying does not require a large amount of circulating air flow, with less flying dust and good coating surface quality.

4. Heating equipment has a relatively small volume, saves floor space, is relatively simple and safe compared to gas equipment, is easy to maintain and manage, has low cost, and has a wide range of power energy sources, belonging to stable, clean, and environmentally friendly energy sources.

5. The far-infrared heating tube is made of specially processed milky white quartz glass tube and alloy resistance wire assembled inside the tube. There is no filling material inside, and the surface temperature of the tube wall can reach 700 ℃. It has stable and harmless radiation, no environmental pollution, no deformation at high temperatures, low thermal inertia, high heat conversion rate, and good chemical stability. The electrical temperature control system can accurately control the temperature. Large furnace chambers can simultaneously adopt breeze circulation technology to adjust the temperature balance of the furnace and improve the solvent evaporation rate.

6. The back of the quartz tube is equipped with an aluminum plate reflector, which makes the heat energy emitted by the heating tube more unidirectional and more utilized by the heated object.

7. Aluminum silicate plate is a good insulation material, commonly used in household appliances such as rice cookers, electric cups, and other insulation materials. Installing this material on the back of the heating tube frame greatly prevents the heat source from reflecting towards the rear furnace wall panel, improving the thermal efficiency of use.

8. The heating (curing) furnace for steel barrel coating is generally tunnel through type, divided into sections; Double; Multiple rows; U-shaped and other forms are adopted. It is also divided into horizontal type and bridge type (half bridge; full bridge). Ground transportation cannot be made into a bridge furnace. From the perspective of energy-saving effect. The bridge furnace has a significant effect because the upper part of the furnace body is closed, just like cooking with a covered pot, which heats up quickly and saves energy in insulation. Hanging conveyor type adaptable bridge furnace, and can easily turn in multiple directions. Flexible design based on on-site conditions.

9. Regarding the structure of the furnace body, the wall panels are generally made of outer color steel and inner galvanized rock wool with a core board. The density of rock wool should not be less than 110 kg/cubic meter. The skeleton part is made of steel plate metal skeleton, so it is easy to conduct heat outward. The solution can be to make the wall panels double layered, isolated in the middle, and staggered in the vertical skeleton parts. This can achieve almost no heat loss on the outer surface of the furnace body.

10. There is also a type of furnace body that can be made into factory building blocks and standard independent sections, each of which can be independently controlled. The independent sections can be simply assembled in sequence on site, just like the connection of various train carriages. Simply connect to the power supply and use without any on-site production process. If relocation is needed in the future, simply disassemble, transport, and assemble each natural section, which is convenient, fast, and maintains the same insulation performance. The appearance of the equipment remains unchanged and is suitable for production sites that may be relocated in the future.

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