Polyester Resin Reactor Introduction
Polyester Resin Reactor Temperature control mainly includes the following parts: the temperature of the central part of the reactor. The material temperature of the reactor wall. The oil temperature in the jacket. The steam temperature at the top of the fractionation column is often referred to as the "distillate temperature." The temperature at the inlet and outlet of the condenser, the temperature in the central portion of the dilution tank, and the temperature of the medium in the outer casing of the dilution tank.
The temperature at the center of the reactor is the temperature of the reactants, but the temperature near the wall of the kettle is directly affected by the temperature of the medium in the jacket, and the temperature is different from the central portion. Under good mixing conditions, the difference is small. When the stirring is not good, there is a significant temperature difference, so that the polymerization temperature of the resin is not uniform, and even a partial gel may be generated. The oil temperature in the jacket should not be too high, otherwise the reactants will rise too fast, and the coking wall will produce coke crust.
The control of the steam temperature at the top of the fractionation column is also important. In the reaction of the polyester, the temperature should be controlled at about 100 ° C, because the reactants have a large amount of alcohol, and the alcohol can form an azeotrope with water. At lower temperatures, the alcohol vaporizes and the alcohol is lost, which does not meet the synthesis requirements.
The Unsaturated resin reactor equipment produced by our factory consists of five parts: vertical condenser, horizontal condenser, reaction kettle, water storage and fractionation column. It is a special equipment for producing unsaturated polyester resin. The set of equipment is reasonable in design and advanced in technology, and can be specially processed according to customer technical requirements.
It can be mainly used in Oil Paint, Printing-ink, Color Paste, Plastic Paste, Cosmetic, Soap, Ceramics, Rubber, unsaturated polyester resin etc.
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