Conversion unit high ammonia nitrogen acid condensate pretreatment system and conversion unit high ammonia nitrogen acid condensate pretreatment method
A high-ammonia-nitrogen acidic, conversion unit technology, applied in the field of high-ammonia nitrogen acidic condensate pretreatment system of the conversion unit, can solve the problems of increasing process complexity, ammonium salt crystallization blockage, occupying space, etc., to avoid corrosion and reduce burden , the effect of effective recycling
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[0042] Example 1
[0043] The shift gas condensate enters the stripping tower from the upper part of the stripping tower 1, the acid gas in the condensate is stripped out, and the stripping gas passes through the top of the stripping tower 1 after defoaming and exits from the top of the stripping tower 1. Entering the pipeline connected to the heat exchanger 2, the temperature of the stripping gas at the top outlet of the stripping tower 1 is 148°C.
[0044] The stripping gas passes through the tube side of the heat exchanger 2 and is cooled by the desalinated water entering the shell side, and enters the separation tower together with the stripping gas passing through the bypass, and controls the temperature of the stripping liquid at the inlet of the separation tower to 135°C; The boiler water supplement is performed through the shell side desalinated water inlet pipeline;
[0045] The cooled stripping liquid enters the separation tower, where gas and liquid are separated, the gas...
Example Embodiment
[0046] Example 2
[0047] The shift gas condensate enters the stripping tower from the upper part of the stripping tower, the acid gas in the condensate is stripped out, and the stripping gas passes through the top of the stripping tower after defoaming, and then enters and exchanges In the pipeline connected to the heat exchanger, the temperature of the stripping gas at the top outlet of the stripping tower is 146°C.
[0048] The stripping gas passes through the tube side of the heat exchanger 2, is cooled by the desalinated water entering the shell side, and enters the separation tower together with the stripping gas passing through the bypass, and controls the temperature of the stripping liquid at the inlet of the separation tower to 138°C; The boiler water supplement is performed through the shell side desalinated water inlet pipeline;
[0049] The cooled stripping liquid enters the separation tower, where gas and liquid are separated, the gas phase is adjusted by the pressure ...
Example Embodiment
[0050] Example 3
[0051] The shift gas condensate enters the stripping tower from the upper part of the stripping tower, the acid gas in the condensate is stripped out, and the stripping gas passes through the top of the stripping tower after defoaming, and then enters and exchanges In the pipeline connected to the heat exchanger, the temperature of the stripping gas at the top outlet of the stripping tower is 140°C.
[0052] The stripping gas passes through the tube side of the heat exchanger 2 and is cooled by the desalinated water entering the shell side, and enters the separation tower together with the stripping gas passing through the bypass, and controls the temperature of the stripping liquid at the inlet of the separation tower to 105°C; The boiler water supplement is performed through the shell side desalinated water inlet pipeline;
[0053] The cooled stripping liquid enters the separation tower, where gas and liquid are separated, the gas phase is adjusted by the pressu...
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