Process and apparatus for controlling continuous and stable discharge of non-condensable gas in benzene recovery system
A recovery system and condensing technology, which is applied in the field of process and device to control the continuous and stable discharge of non-condensable gas in the benzene recovery system, can solve problems such as difficult product quality assurance, poor discharge of non-condensable gas, safety accidents, etc. To achieve the effect of reasonable and compact equipment layout, elimination of unstable factors, and convenient installation and maintenance
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[0018] The specific embodiments of the present invention will be further described below in conjunction with the drawings:
[0019] see figure 2 , Is the flow chart of the process of controlling the continuous and stable discharge of non-condensable gas in the benzene recovery system of the present invention. The process of controlling the continuous and stable discharge of non-condensable gas in the benzene recovery system of the present invention, the benzene produced at the top of the debenzene tower The steam enters the condensing cooler 1, and is cooled by a low-grade cold source and a high-grade cold source in sections to obtain a benzene-water mixture; the benzene-water mixture flows into the gas-liquid mass transfer heat transfer device 3 and the lower benzene-water separator 2- 2 Flow, the gas phase in the condensing cooler 1 enters the benzene-water separator 2-2 and flows into the upper gas-liquid mass transfer heat transfer device 3, and the internal pressure of the s...
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