Recently, Shenning Group's coal chemical branch company olefins company propylene technology workshop technical research group brainstorming, through the addition of a new heat exchanger, to achieve 3 parallel operation, to solve the company's MTP device C3 separation tower problems.
It is understood that there has been a problem that the circulating water flow rate is low and the tube bundles are often blocked in the MTP plant C3 separation tower overhead cooler, resulting in poor heat exchanger condensing effect, system pressure exceeding the design operating pressure, and high temperature at the top of the tower after cooling. The difficulty of raising the temperature in the C3 separation tower and the propylene loss in the tower reactor exceeded the standards, seriously affecting the yield of propylene and the full-load operation of the plant. It is reported that after the implementation of the technical transformation of the device, the post-condensation temperature can be reduced, the vapor phase materials distilled from the top of the tower can be partially condensed, the equipment load can be reduced, the tower processing capacity can be improved, and the heat exchanger can be switched and the C3 tower can be operated at full load for a long period of time.
It is understood that there has been a problem that the circulating water flow rate is low and the tube bundles are often blocked in the MTP plant C3 separation tower overhead cooler, resulting in poor heat exchanger condensing effect, system pressure exceeding the design operating pressure, and high temperature at the top of the tower after cooling. The difficulty of raising the temperature in the C3 separation tower and the propylene loss in the tower reactor exceeded the standards, seriously affecting the yield of propylene and the full-load operation of the plant. It is reported that after the implementation of the technical transformation of the device, the post-condensation temperature can be reduced, the vapor phase materials distilled from the top of the tower can be partially condensed, the equipment load can be reduced, the tower processing capacity can be improved, and the heat exchanger can be switched and the C3 tower can be operated at full load for a long period of time.
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