Absorption-stabilization technique capable of enhancing absorption by using complementary energy
A stable absorption and enhanced absorption technology, applied in the petroleum industry, liquid hydrocarbon mixture recovery, hydrocarbon oil treatment products, etc., can solve the problems of limited improvement of absorption effect
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Embodiment 1
[0074] Taking the absorption and stabilization unit of the 3 million tons / year coking unit as an example, the process simulation software ProⅡ is used for simulation calculation.
[0075] Simulation process such as figure 1 shown. The oil and gas from the top of the coking fractionation tower are separated into rich gas 2 and naphtha 3 in the gas-liquid separation tank 1 at the top of the tower. The rich gas 2 is boosted by the rich gas compressor 4 and mixed with the part of the absorption tower bottom oil 10 and desorbed gas 9 from the absorption tower 7 to cool down and enter the rich gas balance tank 5 . The gas phase 6 balanced by the rich gas balance tank 5 enters the bottom of the absorption tower 7; the liquid phase enters the upper part of the desorption tower 8 after being heated by the liquid phase heater 22 of the rich gas balance tank. The deethanized gasoline 24 at the bottom of the desorption tower 8 is sent to the stabilizing tower 13 for rectification, and t...
Embodiment 2
[0086] Taking the absorption and stabilization unit of the 3 million tons / year coking unit as an example, the process simulation software ProⅡ is used for simulation calculation.
[0087] Simulation process such as figure 2 . The oil and gas from the top of the coking fractionation tower are separated into rich gas 2 and naphtha 3 in the gas-liquid separation tank 1 at the top of the tower. The rich gas 2 is boosted by the rich gas compressor 4 and mixed with the part of the absorption tower bottom oil 10 and desorbed gas 9 from the absorption tower 7 to cool down and enter the rich gas balance tank 5 . The gas phase 6 balanced by the rich gas balance tank 5 enters the bottom of the absorption tower 7; the liquid phase enters the upper part of the desorption tower 8 after being heated by the liquid phase heater 22 of the rich gas balance tank. The deethanized gasoline 24 at the bottom of the desorption tower 8 is sent to the stabilizing tower 13 for rectification, and the l...
Embodiment 3
[0098] Taking the absorption and stabilization unit of the 3 million tons / year coking unit as an example, the process simulation software ProⅡ is used for simulation calculation.
[0099] Simulation process such as image 3 . The oil and gas from the top of the coking fractionation tower are separated into rich gas 2 and naphtha 3 in the gas-liquid separation tank 1 at the top of the tower. The rich gas 2 is boosted by the rich gas compressor 4 and mixed with the part of the absorption tower bottom oil 10 and desorbed gas 9 from the absorption tower 7 to cool down and enter the rich gas balance tank 5 . The gas phase 6 balanced by the rich gas balance tank 5 enters the bottom of the absorption tower 7; the liquid phase enters the upper part of the desorption tower 8 after being heated by the liquid phase heater of the rich gas balance tank. The deethanized gasoline 24 at the bottom of the desorption tower 8 is sent to the partition tower 37 for rectification, and the liquefi...
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