The use of
water-based paint has become a major trend in the spraying industry
Compared with solvent-based
paint
Its biggest advantage is environmental protection and energy saving
But the drying time is relatively slow
What tools can accelerate the drying of water-based paint
And save more cost? To
The answer is: Venturi drying blow dryer (gun)
Tips: What is the Venturi effect?
The Venturi effect is also called the Venturi effect. This phenomenon is named after its discoverer, the Italian physicist Giovanni Battista Venturi. This effect is manifested in the phenomenon that the flow velocity of the fluid increases when the restricted flow passes through the reduced cross-section, and the flow velocity is inversely proportional to the cross-section. From Bernoulli's law, it is known that the increase in flow velocity is accompanied by the decrease in fluid pressure, which is a common Venturi phenomenon. In layman's terms, this effect refers to the generation of low pressure near the fluid flowing at high speed, resulting in adsorption. Venturi tubes can be made using this effect.
When gas or liquid flows in the venturi tube, the dynamic pressure (velocity head) reaches the maximum at the narrowest part of the pipe, and the static pressure (rest pressure) reaches the minimum. The velocity of the gas (liquid) is due to the flow cross section The area decreases and rises. The entire inrush current has to go through the pipeline shrinking process at the same time, so the pressure is also reduced at the same time. Then there is a pressure difference, which is used to measure or provide an external suction to the fluid.
The Venturi blowing gun adopts the Venturi principle. When compressed air flows forward rapidly, a "vacuum" area is formed behind the gas outlet, so that a large amount of air is sucked in and flows forward with the compressed air. Increased air flow. Make the air volume reach 9-12 times of the air volume!
With such a large amount of air blowing on the newly painted surface, I believe everyone will have the same concerns as the editor at the beginning:
Will it blow out or wrinkle the surface of the coating? ? ?
Will it blow out or wrinkle the surface of the coating? ? ?
Will it blow out or wrinkle the surface of the coating? ? ?
Countless cases and facts have proved that there is no need to worry at all. Venturi dryers fully meet the surface quality requirements of automotive coatings, not to mention general industry!
At present, the Venturi drying blower has become the standard drying tool for the spraying of high-end automotive water-based paint at home and abroad!
Venturi drying technology can effectively speed up the drying speed of water-based paint without consuming a large amount of energy. For example, in a humid environment, the speed of natural drying and Venturi drying is 10 times the surface drying speed!
The use of Venturi technology to increase the drying speed means the improvement of production efficiency and product quality, saving energy and reducing costs!
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