Application of Super Air Knife

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2020/8/25

Super air knife is mainly used in dust removal and liquid removal, which can save 70% of air consumption compared with traditional air bar and air bar. In the situation where compressed air is used in large quantities, such as dust removal and water removal, drying and cooling, air knife is a very suitable product. Super air knives can be divided into stainless steel air knives, aluminum alloy air knives and plastic air knives according to their materials. Stainless steel air knives are mainly used in corrosion-resistant occasions, aluminum alloy air knives have good versatility, and plastic air knives are mainly used in occasions containing acidic cleaning solution or corrosive electroplating solution.

After entering the air knife, the compressed air is blown out at a high speed with an airflow sheet with a thickness of only 0.05 mm. According to the principle of Coastland effect and the special geometry of air knife, this thin air curtain can drain 30-40 times of ambient air at most, and form a thin impact air curtain with high intensity and large airflow. Air knives are divided into standard air knives and super air knives in working mode. The air curtain of standard air knives deflects 90 degrees and then blows out; The air curtain of the super air knife blows out horizontally. Coaster effect, also known as wall-attached effect, means that when there is surface friction between the fluid (water flow or air flow) and the surface of the object through which it flows, the velocity of the fluid will slow down.

As long as the curvature of the surface of the object is not too large, the fluid will leave the original flow direction and flow on the protruding surface of the object instead, finally forming a strange phenomenon that the fluid is adsorbed and flows on the surface of the object. You can do such a small experiment: turn on the tap, let out a small flow of water, and put the back of the spoon next to the flow. The water will be attracted to the back of the spoon. This is the result of the coanda effect. After the water flow is attached to the spoon, the coanda effect water flow always flows on the convex surface of the spoon.

XT Dongguan HongGuang Hardwares Co., Ltd. focuses on the air suspension fan, super fan, air knife drying system and super air knife manufacturer. The company has been established for many years, and its products are constantly innovating in the industry. It has a professional technical team and a professional pre-sales and after-sales team. Its products are exported to domestic and foreign markets and serve you 24 hours a day.

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