Reactor: A brief introduction to the five key components of a reactor

Reaction vessel The five elements: volume, working pressure, working temperature, stirring method, and reaction medium.

     If these features cannot be used, it is not recommended to equip all of them—doing so would increase costs and make operation less straightforward. If sampling is not required, there’s no need to install a sampling tube, no need for particulate catalysts, no need to install a filter, and no need for high operating pressure. There’s no need to design for high working pressure; if the pressure isn’t displayed digitally, the pressure is low and difficult to read accurately. Reaction vessel Heavy body, inconvenient to operate.

     1. As work pressure increases, Reaction vessel It will become correspondingly thicker and heavier, the range of the pressure gauge and the burst value of the safety valve will increase, and the pressure measurement method will also change. Typically, steel cylinders are used for pressurization. If it's air, you can add at most 12 MPa. If the temperature is not increased and a higher experimental pressure is required, the only option is to upgrade the pump equipment.

     2. Operating temperature. The operating temperature determines the type of stirring test to be performed. Typically, in reactors stirred by magnets, there is no cooling function between the stirring motor and the magnet, and the temperature must not exceed 300 degrees Celsius. If the temperature exceeds this threshold, demagnetization will occur—meaning the magnet will lose its magnetic properties, rendering it incapable of performing stirring. If the temperature surpasses 300 degrees Celsius, only alternative stirring methods can be used: paddle stirring, mechanical stirring with a flexible shaft magnetic coupling, or mechanical stirring with a directly coupled motor magnetic coupling.

     3. Regarding the stirring configuration and the viscosity of the reaction medium, the three-blade impeller is typically used as the standard. If the viscosity is low, an anchor-type impeller can be employed. If the viscosity is high, a shear-type impeller is the preferred choice.

    4. The size of the volume also determines... Reaction vessel the weight, the size of the heater, the increase in cost, and the kettle’s features. For example, for For the 10 mL paddle-type stirred reactor, the temperature measurement must be changed to a temperature-control configuration mounted on the reactor wall, or the 10 mL magnetic stirrer must be replaced with an underground stirred reactor that requires an internal tank and cannot be equipped with a filter, among other considerations.

5. The viscosity of the reaction medium determines the type of agitator to be used. Now, we will focus on discussing the impact of the reaction medium on... Reaction vessel Material of the reactor vessel Requirement. Except In addition to the KCF and GSA series (made of 316 stainless steel), the standard material for reactors is 316L stainless steel. 316L stainless steel is suitable for experiments involving weakly acidic and mildly corrosive reaction media.

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