1. The unit has a compact structure with its own cold and heat source and air cooling. In recent years, most units adopt modular design to facilitate combination and save cooling water system.
2. In terms of structure, rainproof measures are considered for the device. When it is installed on the roof or outdoor platform, it is not necessary to provide rainproof and shading facilities.
3. The unit is equipped with full computer control, with high degree of automation and compact electrical connection. Only a few control lines and main power lines need to be connected on site.
4. The refrigeration system of the unit is reliable and can meet the needs of various types of air conditioners. Condensers and evaporators generally use copper tubes with aluminum fins, which has high heat transfer efficiency.
5. Do not occupy the effective area of the room. In some areas, it saves more power than the water-cooled unit.
What is the anti-corrosion process of air conditioner in paper mill?
1. Firstly, carry out pretreatment to remove the oil, dust and rust on the surface of the air-cooled cabinet machine workpiece, and form a "phosphating layer" which is corrosion-resistant and can increase the adhesion of the spraying layer on the workpiece surface. The main process steps are degreasing, derusting, phosphating and passivation. After pretreatment, the workpiece surface is free of oil, rust and dust, and a gray phosphating film with uniform roughness and not easy to rust is formed on the original silver glittering surface, It can prevent rust and increase the adhesion of plastic spraying layer.
2. The powder coating is evenly sprayed on the workpiece surface of the air cooler, and a layer of powder coating is evenly sprayed on the workpiece surface by using the principle of electrostatic adsorption.
3. High temperature curing: heat the powder coating on the workpiece surface of the air cooler to the specified temperature and keep it for corresponding time to melt, level and solidify, so as to obtain the required surface effect of the workpiece.
Secondly, for the aluminum foil used outside the air cooler, in order to further improve the anti-corrosion effect, hydrophilic aluminum foil should be used. Thirdly, for the copper pipe used outside the machine, advanced electrophoretic anti-corrosion treatment must be carried out before leaving the factory. After the coil is fabricated and welded on site, the surface of the copper pipe and weldment shall be treated with stainless steel anti-corrosion materials imported from Germany to ensure the product quality. This not only ensures the heat exchange effect, but also plays an anti-corrosion role. Through the above procedures, the anti-corrosion coating should have the characteristics of strong adhesion, not easy to change color, elegant appearance and durability, which can effectively prevent the anti-corrosion problems of air-cooled cabinet and air-conditioning external units.
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