Difference between airless spraying and traditional painting for steel structure anticorrosion paint

It is the use of piston pumps, diaphragm pumps and other forms of booster pumps to pressurize the liquid paint, and then through the high-pressure hose to the airless spray gun, and finally in the airless nozzle at the release of the hydraulic pressure, instantaneous atomization sprayed to the surface of the coated object, the formation of coating film layer. Since the paint does not contain air, it is called airless spraying, or airless spraying for short. Unlike air spraying, it uses a high-pressure pump to pressurize the paint coating to a pressure of about 15 kilograms, and then sprays it through a small hole in a specially designed nozzle. Its spraying is characterized by fast speed, paint mist, poor working environment, paint utilization rate of only 40-60%

Paint spray gun

By the air compressor to produce about 8 kg of pressure, through the front of the spray gun when the air cap sprayed, it is connected to the front of the paint nozzle to produce a lower than atmospheric pressure than the low-pressure zone. This pressure difference generated at the nozzle of the spray gun sucks the paint out of the paint storage tank, and under the action of the high-speed jet force of compressed air, atomized into particles sprayed on the surface of the coated object. It is characterized by fast speed, paint mist is bigger, the working environment is more harsh, paint utilization rate of 40-65%.

Electric environmental protection spray gun

Driven by 220v power supply turbocharger fan, generating 0.6-0.8 kg of pressure, in the form of low air pressure and high flow to the spray gun air supply. According to the gun's unique principle of aerodynamics, when the gas is sprayed from the gun nozzle, it is in the form of a vortex, wrapping the paint forward to reach the finish. Lute electric spray gun is characterized by high speed, small paint mist, poor working environment, paint utilization rate of 60-90%.

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