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Selection factors of chemical reactor temperature control system
Jul 09, 2019

When the chemical reactor is temperature-controlled, the heat of absorption and release in the chemical reaction must be compensated quickly and efficiently. When selecting the most suitable temperature control system, it is necessary to consider various conditions and influencing factors. Chemical reactors typically have an internal chamber in which materials that require temperature control are placed. The internal cavity is surrounded by a jacket that can be passed through the heat transfer oil.


In order to control the temperature of the reactor, the temperature control system continuously pumps the heat transfer oil into the jacket of the reactor through a circulation pump. The sudden change in temperature inside the reactor will be compensated by rapid heating and cooling of the temperature control device to achieve dynamic balance. The material and design of the chemical reactor have an important influence on temperature control. The heat transfer effect of glass and stainless steel is not the same, and the surface area and wall thickness of the kettle body also affect the temperature control accuracy.


Efficient agitation enables better uniformity of the reaction mass in the kettle body and, correspondingly, good heat transfer. A good temperature control solution must have sufficient cooling and heating power. The cooling and heating power affects the speed at which the system reaches the set temperature. To calculate the heating/cooling power, the user needs to consider the mass of the material, the temperature difference between the actual temperature and the set temperature, the expected cooling and heating time, and the specific heat capacity of the bath.


The high dynamic temperature control system of the chemical reactor has two types: air-cooling and water-cooling. The air-cooled equipment does not need cooling water and can be used anywhere. The heat generated during the refrigeration of the equipment will directly diffuse into the surrounding air. . Water-cooled equipment, which needs to be connected to cooling water, does not dissipate waste heat into small laboratories. For applications that need to be isolated from the environment, a water-cooled device can be used to form a fully enclosed

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