Luoyang Longhua Heat Transfer Technology Co., Ltd. independently developed an internal finned tube evaporative intercooler which has recently obtained the national patent authorization. It is reported that this type of intercooler saves more than 20% electricity compared with traditional heat exchangers, saving more than 30% of water.
The inner finned tube evaporative intercooler adopts latent heat exchange principle. Spray water is used as a cooling medium. Water is formed on the outside of the heat exchange tube to form a water film to evaporate the heat of the process fluid in the tube, and the forced exhaust belt is passed through the axial fan. Take heat to achieve the purpose of cooling or condensing the process fluid in the tube. The intercooler evaporative heat exchange part adopts inner finned tubes, which increases the heat exchange area on the tube side, effectively improves the heat exchange efficiency, solves the problem of insufficient cooling capacity in the actual operation of the compressor, saves electricity, and saves water. The effect is significant.
Pigment must have a high tinting strength relative to the materials it colors. It must be stable in solid form at ambient temperatures.
Pigments are used for coloring paint, ink, plastic, construction, fabric, cosmetics, food, and other materials. Most pigments used in manufacturing are dry colorants, usually ground into a fine powder. For use in paint, this powder is added to a binder (or vehicle), a relatively neutral or colorless material that suspends the pigment and gives the paint its adhesion. A colorant can act as either a pigment or a dye depending on the vehicle involved. In some cases, a pigment can be manufactured from a dye by precipitating a soluble dye with a metallic salt.
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