Coarse carbon bisulfide rectifying equipment and method
A carbon disulfide and rectification technology, which is applied in the field of rectification, can solve the problems of unstable quality of carbon disulfide products, difficult control of hydrogen sulfide and sulfur content, and easy formation of hydrates, so as to avoid product waste, avoid environmental pollution, and achieve good separation effect. Effect
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[0015] The rectification equipment for crude carbon disulfide includes rough stripping tower 1, fine stripping tower 2 and finished product tower 3. The rough stripping tower 1 is connected to the sulfur condenser through a gas-liquid mixing pipe 5 and then connected to the reactor, and the top of the rough stripping tower 1 passes Pipe 6 is connected to condensers 7, 8, and 9 in turn. Under condensers 7, 8, and 9 are respectively connected a liquid carbon disulfide output branch pipe 10, and the liquid carbon disulfide output branch pipe 10 is connected to the mixer 11, and the mixer 11 is redistributed through the pipe 12. The middle part of the coarse stripping tower 1 is connected with a carbon disulfide output pipe 14 communicating with the redistributor 13, and the lower part of the splitter 13 is connected to the fine stripping column 2 through a pipe 15, and the top of the fine stripping tower 2 is connected to the fine stripping column through the pipe 16 in turn. The con...
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