Apparatus and method for separating heavy components from light feedstock cracking products
A technology for pyrolysis products and light raw materials, applied in separation methods, chemical instruments and methods, hydrocarbon oil treatment products, etc., can solve the problems of lack of means to separate heavy components, etc., and achieve the effect of simple process, less equipment, and investment saving
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Embodiment 1
[0033] like figure 1 , figure 2 As shown, the device for separating heavy components from ethane cracking products includes a quenching water tower 1, an oil-water separation tank 2, a heavy oil tank 3 and a heavy gasoline stripper 15;
[0034]The quenching water tower 1 is connected with the raw material cracking gas feed line, the bottom of the quenching water tower 1 is provided with a heavy oil discharge port 27, which is communicated with the heavy oil tank 3, the side part is communicated with the oil-water separation tank 2 through the side line discharge pipeline, and the top is provided with a cracking Gas outlet; the bottom of the quenching water tower 1 is provided with a plurality of quenching water pumping outlets 28, the top is provided with the return port for the upper segment to return the quenching water 7, and the middle part is provided with the return port for the middle segment returning the quenching water 8; the oil-water separation tank 2 passes throu...
Embodiment 2
[0045] like image 3 Shown, with embodiment 1, difference is:
[0046] The heat source of the heavy gasoline stripper 15 adopts high-pressure steam or cracked gas 22, and the high-pressure steam pipeline or cracked gas pipeline is directly connected to the bottom of the heavy gasoline stripper 15; the top of the heavy gasoline stripper 15 is provided with a raw material inlet, and The heavy gasoline feed pump 5 is connected; the gas outlet at the top of the tower is connected with the middle part of the quenching water tower 1, and a product outlet is provided at the bottom of the tower. The bottom product of heavy gasoline stripper 15 is C8s+component 23.
Embodiment 3
[0048] like Figure 4 Shown, with embodiment 1, difference is:
[0049] The heat source of the heavy gasoline stripper 15 adopts high-pressure steam 25 and cracked gas 24, and the cracked gas pipeline is directly connected with the bottom of the heavy gasoline stripper 15, and the high-pressure steam pipeline is directly connected with the middle part of the heavy gasoline stripper 15; The upper part of the stripper 15 is provided with a raw material inlet, which communicates with the heavy gasoline feed pump 5; the gas outlet at the top of the tower communicates with the middle part of the quenching water tower 1, and a product outlet is provided at the bottom of the tower. The bottom product of heavy gasoline stripper 15 is C8s+component 26.
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