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Stirring tank stirring method and performance characteristics
Mar 27, 2018

For a simple understanding, a stirred tank is a container capable of undergoing physical or chemical reactions. According to the requirements of different process conditions, structural design and parameter configuration of the container are performed in order to realize the heating, evaporation, cooling and low-speed mixing of the process requirements. With function.


In order to obtain the desired effect, the configuration, design conditions, process, inspection, manufacturing, and acceptance of the stirred tank must all be based on relevant technical standards; and the pressure requirements during the reaction process are different from the design requirements of the vessel, combined with the production process and operating conditions. It is determined on the premise.


In terms of agitation, the stirred tanks can be divided into anchors, axial flow, and combined types. The anchored stirred tanks are usually operated at low speed, and do not generate large shear forces when the low viscosity liquids are stirred, resulting in slow reaction rates. . Axial-flow stirred tanks gradually replaced the anchored paddles with its advantages of large circulation, low energy consumption, and strong gas dispersion capability.


The combined agitation tank can more effectively promote the whole kettle cycle and prolong the residence time of the gas phase, thereby increasing the gas holdup rate of the agitating tank; it is also affected by the location of the aeration and the aeration volume, and only the aeration and agitation can be coordinated. Get the best results.


The design structure and parameters of the stirred tank are different, so its structural style is also different. It belongs to non-standard container equipment. However, it has the ability to resist atmospheric oxidation, but also has the ability to resist corrosion in mediums containing acids, alkalis, and salts. It is widely used for the storage of various decomposing medium solutions in chemical and pharmaceutical, petroleum dyes, fiber, food, and other industries.


With these characteristics, most of stirred tanks are used as liquid storage tanks, mixing tanks, temporary storage tanks, and water storage tanks, and are suitable for use in food, dairy products, juice drinks, pharmaceutical chemicals, and bioengineering.


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