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How To Solve The Temperature Control Problem Of Internal Mixer?

2022-11-09

The accuracy of the mixer temperature is directly related to the results of the research and development of ingredients. The heating methods generally used are electric heating mold heating and oil heating. The power and mold processing methods used in the electromechanical heating of the internal mixer are different, and the results are different. The specific solutions are as follows:

Internal Mixer wrap-around electric heating

The power of a single heating wire can reach 2.1KW. The temperature difference between the two ends of the effect is more than ten degrees, and more are dozens of degrees. The main reason is that the heating wire cannot be closely matched or is not in contact with the inner wall at all, forming a hollow dry burning. Using this method, the main manifestations are that the heating wire is deformed after being dried for a period of time, it is difficult to replace, and the temperature is uneven. However, because the power of the heating wire is relatively large and the structure is relatively strong, it is not easy to be burned out.

Internal mixer single-head rod electric heating tube

The maximum diameter of a single heating wire single-head rod is 19.8 and the power is normally 1.7KW. In this way, the temperature is relatively uniform, and the accuracy can be ±2°C. The disadvantage is that the heating speed is slow and the power is small. If the power is increased, the heating tube may be easily burned out, which increases the replacement time and frequency.

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