Publish Time: 2023-11-16 Origin: Site
Industrial Agitators are devices for forced convection and uniform mixing of liquid and gaseous media. Industrial Agitators are generally divided into propeller-type and turbine-type Industrial Agitators, propeller-type and anchor-type Industrial Agitators, screw-belt and hinged-vane Industrial Agitators, etc. Next, let's take a look.
Here is the content list:
l Propeller and Turbine Industrial Agitators
l Paddle and Anchor Industrial Agitators
l Ribbon and Folding Leaf Industrial Agitators
Top Entry Agitators consist of 2 to 3 propeller blades with high working speed, and the peripheral speed of the outer edge of the blade is generally 5 to 15m/s. Propeller-type Industrial Agitators mainly cause axial liquid flow and generate a large circulation volume, and are suitable for stirring low-viscosity (<2Pa s) liquids, emulsions and suspensions with a solid particle content of less than 10%. The rotating shaft of the Industrial Agitators can also be inserted into the tank horizontally or obliquely. At this time, the circulation loop of the liquid flow is asymmetrical, which can increase the flow and prevent the liquid level from sinking. Turbine Industrial Agitators consist of 2 to 4 flat or curved blades mounted on a horizontal disc. The ratio of the outer diameter, width, and height of the blade is generally 20:5:4, and the peripheral speed is generally 3-8m/s. Turbine rotation creates a highly turbulent radial flow, suitable for the dispersion of gases and immiscible liquids and liquid-liquid phase reactions. The viscosity of the liquid to be stirred generally does not exceed 25Pa·s.
There are two types of flat paddle and inclined paddle. Flat-blade Industrial Agitators consist of two straight blades. The ratio of blade diameter to height is 4 to 10, and the peripheral speed is 1.5 to 3 m/s, resulting in a small radial flow velocity. The two blades of the inclined paddle-type Industrial Agitators are turned 45° or 60° oppositely, thus producing an axial flow. Paddle-type Industrial Agitators have a simple structure and are often used for mixing low-viscosity liquids and dissolving and suspending solid particles. The shape of the outer edge of the blade of the anchored Industrial Agitators should be consistent with the inner wall of the stirring tank, and there is only a small gap between them, which can remove the viscous reaction products attached to the tank wall or the solids accumulated on the bottom of the tank to maintain good heat transfer. Effect. The peripheral speed of the outer edge of the blade is 0.5~1.5m/s, which can be used to stir Newtonian fluids and pseudoplastic fluids with a viscosity of up to 200Pa s (see the viscous fluid flow. Only when stirring high-viscosity liquids, there are larger liquids in the liquid layer stagnation zone.
The outer diameter of the ribbon is equal to the pitch, and it is specially used for stirring high-viscosity liquids (200-500Pa s) and pseudo-plastic fluids, usually operating in a laminar flow state. According to the physical properties, capacity, and stirring purpose of different media, the corresponding Industrial Agitators can be selected, which can play a great role in promoting chemical reaction speed and improving production efficiency. Folding blade turbine Industrial Agitators is generally suitable for the reaction of gas and liquid phase mixing, and the rotation speed of Industrial Agitators should generally be selected above 300r/min.
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