Fractionator for Narrowing the Molecular Weight Distribution of Polyester Polyols
A technology of polyester polyol and molecular weight distribution, which is applied in the field of fractionation tower equipment, can solve the problems of deepening the color of polyester products, affecting the appearance and quality, and increasing the temperature of the fractionator, so as to reduce the structure of the bottom pipeline and save Alcohol working hours, the effect of improving product quality
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[0029] Embodiment 1: as attached figure 1 As shown, a powder funnel 1 is installed at the upper end of the polyester reactor 2, the upper end of the polyester reactor 2 is connected with a fractionator 4, the lower part of the polyester reactor 2 is installed and connected with a sampler 3, and a condenser 6 is installed next to the fractionator 4, Waste water collecting tank 7 is installed beside polyester reactor 2, and reflux pipe is connected between polyester reactor 2 upper end and fractionator 4 lower ends simultaneously, and U-shaped pipe 5 is connected on the reflux pipe section, and the connecting bottom on U-shaped pipe 5 The end is connected into the waste water collection tank 7, and the bottom of the condenser 6 is connected into the waste water collection tank 7.
[0030]In the foregoing, the polyester reactor 2 is connected to the fractionator 4 .
[0031] In the foregoing, the fractionator 4 is connected to the condenser 6 .
[0032] In the foregoing, the i...
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