In order to ensure that the temperature of the medium in the working area is stable and uniform, we select the tank structure scheme of lateral stirring. The working principle of the constant temperature bath is explained below according to the process of the working medium flowing in the tank: under the stirring (4), the working medium is Flowing from top to bottom in the mixing zone (2), the heat is exchanged through the coil evaporator (1) and the heater (3) to make the flowing medium reach a certain temperature, and then the mixer stirs it vigorously to make the temperature The uneven medium is fully mixed, and then the medium is pushed out from the bottom, and then the diversion is upward into the working area (6), and the medium has a certain flow rate. In the process of flowing through the work area, the medium is required to minimize the heat exchange with the outside world, so as to ensure that the temperature of the medium in the work area is uniform, and create good conditions for high-quality temperature control. After that, the medium flows into the mixing area and repeats in turn Circulation. The temperature sensing element (5) of the temperature control system is placed in the fluid to measure the temperature signal. The temperature control system adjusts the output pulse signal according to the temperature change measured by the temperature sensing element, and finally drives the bidirectional thyristor to push the heater Heating, to control the bath temperature to work at the set temperature.
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