2011年10月28日星期五

Laboratory reactor control theory

Laboratory reactor control theory

Control the reactor temperature to avoid internal and external temperature exceeds the maximum allowed. Heating reactor and when the cover must be careful,because they will lead to local temperature exceeds 350 ℃. When using a transformer, and gradually increase the voltage in the preparation period we recommend using 3 / 4 of the voltage (ie, half-power) until the internal temperature reaches your desired range, so as not to exceed the maximum temperature difference △ T. In the reactor in response to different media to do, you should firstfind out whether the corrosion medium on the subject material.

Of severe transient response, resulting in a large number of flammable gases orhigh-temperature chemical reactions, and high pressure, ultra-high temperature ormedium chlorine ions, fluoride ions on the corrosion of stainless steel have a severe reaction to be special orders. Set in the reactor with platinum resistance or thermocouple, using a different temperature difference into electricitytelecommunications number, transmission instructions to the temperature regulator,heating circuit using solid state voltage regulator to regulator, adjust thepotentiometer to change the size of the heating the size of the output voltage tostepless voltage regulation, if an appropriate adjustment can meet the purpose ofheating rate and temperature.

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Keywords: reactorpressure vesselheat exchanger 

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