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Preparation and Properties of high temperature infrared radiation paint

Author: XuLinNa
Tutor: MaWenHui
School: Kunming University of Science and Technology
Course: Non-ferrous metallurgy
Keywords: Infrared radiation rate Paint Preparation Energy - saving mechanism
CLC: TQ637
Type: Master's thesis
Year: 2010
Downloads: 148
Quote: 0
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Abstract


Infrared radiation coating as a new energy-saving materials in industrial furnaces, industrial furnace applications can receive good energy saving effect, while the matrix material has a good protective effect, with a strong vitality and broad application prospects. The traditional infrared radiation coating is severely attenuated with the elevated temperature of the infrared radiation properties of the coating, short life, and prone to shedding fracture. In this study, a mixture of micro-silica fume and a variety of transition metal oxides to improve the performance of high-temperature infrared paint as a base material for the preparation of high-temperature infrared radiation paint, but also solve the comprehensive utilization of silica fume recovery, on the micro- performance of silica fume conducted in-depth research, development of new markets and prospects. This paper describes the development and application of high-temperature infrared radiation paint, paint preparation mechanism introduced experimental necessary raw materials and equipment, Preparation and testing means, discover and determine the process conditions affect the performance of paints and coatings . When designing experiments, mainly in full-wavelength method to infrared emissivity coating thermal stability and thermal shock resistance, and several other performance indicators to determine the degree of optimization of the formulation and process parameters. The main factors affecting the paint infrared radiation rate raw material structure and the nature of the coating preparation process (sintering temperature, heating rate, holding time, coating thickness, etc.), and thermal processes and environmental conditions. Large number of experiments contrast to elect the results significantly grinding dispersant, the best ratio of the carrier binder and composition, explore and determine the process parameters for the preparation of paints and coatings. Study found that the impact on the coating the two largest process for sintering temperature and holding time. The experimental study identified the sintering temperature control thermostat control will be conducive to the increase of the emissivity of the coating at 2h; coatings prepared after the trial for the 1400 ° C temperature setting, the trial time for 24h, measured at room temperature obtaining in the 1400 ° C, wavelength to infrared radiation rate up to 0.91. Detected by XRD and found to generate a lot of microcrystalline material and crystal materials, crystal type change is to ensure that high infrared emissivity and good thermal stability and thermal shock resistance is one important reason paper also discussed generating infrared radiation mechanism and influence of the main factors of radiation heat transfer, and laid the foundation for subsequent research work.

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