CIESC Journal ›› 2021, Vol. 72 ›› Issue (8): 4325-4335.DOI: 10.11949/0438-1157.20201786
• Energy and environmental engineering • Previous Articles Next Articles
Yuming ZHANG1(),Lifeng WAN1,2,Juntao GUAN1,Haipeng SONG3,Hang YANG3,Shiqiu GAO2
Received:
2020-12-09
Revised:
2021-01-27
Online:
2021-08-05
Published:
2021-08-05
Contact:
Yuming ZHANG
张玉明1(),万利锋1,2,管俊涛1,宋海朋3,杨行3,高士秋2
通讯作者:
张玉明
作者简介:
张玉明(1985—),男,博士,副教授,基金资助:
CLC Number:
Yuming ZHANG, Lifeng WAN, Juntao GUAN, Haipeng SONG, Hang YANG, Shiqiu GAO. Fundamental study on the fluid coking behavior of Dagang oil slurry and preparation of aromatic-rich oil[J]. CIESC Journal, 2021, 72(8): 4325-4335.
张玉明, 万利锋, 管俊涛, 宋海朋, 杨行, 高士秋. 大港油浆流化焦化行为及其富芳烃油制备基础研究[J]. 化工学报, 2021, 72(8): 4325-4335.
项目 | 大港油浆 | 项目 | 大港油浆 |
---|---|---|---|
密度(20℃)/(g/cm3) | 1.032 | 康氏残炭/%(质量) | 18.61 |
运动黏度(80℃)/(mm2/s) | 131.31 | 固含量/(μg/g) | 3100 |
元素组成分析 /%(质量) | n(H)/n(C) | 1.17 | |
C | 88.6 | 馏程分布/℃ | |
H | 8.62 | 初馏点 | 371 |
S | 1.34 | 10% | 416 |
N | 0.25 | 30% | 447 |
四组分分析/%(质量) | 50% | 473 | |
饱和分 | 23.46 | 70% | 500 |
芳香分 | 59.85 | 90% | 538 |
胶质 | 14.20 | 终馏点 | 600 |
沥青质(正戊烷) | 2.49 |
Table 1 The basic properties of Dagang slurry oil
项目 | 大港油浆 | 项目 | 大港油浆 |
---|---|---|---|
密度(20℃)/(g/cm3) | 1.032 | 康氏残炭/%(质量) | 18.61 |
运动黏度(80℃)/(mm2/s) | 131.31 | 固含量/(μg/g) | 3100 |
元素组成分析 /%(质量) | n(H)/n(C) | 1.17 | |
C | 88.6 | 馏程分布/℃ | |
H | 8.62 | 初馏点 | 371 |
S | 1.34 | 10% | 416 |
N | 0.25 | 30% | 447 |
四组分分析/%(质量) | 50% | 473 | |
饱和分 | 23.46 | 70% | 500 |
芳香分 | 59.85 | 90% | 538 |
胶质 | 14.20 | 终馏点 | 600 |
沥青质(正戊烷) | 2.49 |
工业分析/%(质量) | 元素分析/%(质量) | HHV/(MJ/kg) | |||||||
---|---|---|---|---|---|---|---|---|---|
Mad | Aad | Vad | FCad | Cdaf | Hdaf | Sdaf | Ndaf | Odaf① | |
0.54 | 5.17 | 7.63 | 86.66 | 85.38 | 2.31 | 3.53 | 1.94 | 6.84 | 32.15 |
Table 2 Proximate and ultimate analysis of fluid coke
工业分析/%(质量) | 元素分析/%(质量) | HHV/(MJ/kg) | |||||||
---|---|---|---|---|---|---|---|---|---|
Mad | Aad | Vad | FCad | Cdaf | Hdaf | Sdaf | Ndaf | Odaf① | |
0.54 | 5.17 | 7.63 | 86.66 | 85.38 | 2.31 | 3.53 | 1.94 | 6.84 | 32.15 |
项目 | 500℃ | 550℃ | 600℃ |
---|---|---|---|
收率 | |||
油收率/%(质量) | 85.54 | 83.33 | 81.66 |
焦炭收率/%(质量) | 12.52 | 13.03 | 14.51 |
气体收率/%(质量) | 1.24 | 1.84 | 3.01 |
总产物收率/%(质量) | 99.31 | 98.21 | 99.18 |
液体产物分布 | |||
汽油馏分/%(质量) | 0.12 | 0.61 | 1.01 |
柴油馏分/%(质量) | 4.41 | 5.24 | 7.22 |
VGO馏分/%(质量) | 65.49 | 66.39 | 66.47 |
重油馏分/%(质量) | 29.98 | 27.76 | 25.31 |
液体产物固含量 | |||
裂解油品固含量/(μg/g) | 214 | 199 | 191 |
脱固率/% | 93.10 | 93.58 | 93.84 |
Table 3 Variation of slurry oil cracking product distribution with temperature using quartz sand
项目 | 500℃ | 550℃ | 600℃ |
---|---|---|---|
收率 | |||
油收率/%(质量) | 85.54 | 83.33 | 81.66 |
焦炭收率/%(质量) | 12.52 | 13.03 | 14.51 |
气体收率/%(质量) | 1.24 | 1.84 | 3.01 |
总产物收率/%(质量) | 99.31 | 98.21 | 99.18 |
液体产物分布 | |||
汽油馏分/%(质量) | 0.12 | 0.61 | 1.01 |
柴油馏分/%(质量) | 4.41 | 5.24 | 7.22 |
VGO馏分/%(质量) | 65.49 | 66.39 | 66.47 |
重油馏分/%(质量) | 29.98 | 27.76 | 25.31 |
液体产物固含量 | |||
裂解油品固含量/(μg/g) | 214 | 199 | 191 |
脱固率/% | 93.10 | 93.58 | 93.84 |
项目 | 实验1 | 实验2 | 实验3 | 平均值 | 相对误差 |
---|---|---|---|---|---|
反应温度/oC | 500 | 500 | 500 | 500 | |
油收率/%(质量) | 84.38 | 83.35 | 84.32 | 84.02 | 0.80 |
焦炭收率/%(质量) | 13.93 | 14.82 | 13.89 | 14.21 | 4.29 |
气体收率/%(质量) | 1.69 | 1.83 | 1.79 | 1.77 | 4.52 |
总收率/%(质量) | 100.00 | 100.00 | 100.00 | 100.00 |
Table 4 The reliability and repeatability of the experimental device
项目 | 实验1 | 实验2 | 实验3 | 平均值 | 相对误差 |
---|---|---|---|---|---|
反应温度/oC | 500 | 500 | 500 | 500 | |
油收率/%(质量) | 84.38 | 83.35 | 84.32 | 84.02 | 0.80 |
焦炭收率/%(质量) | 13.93 | 14.82 | 13.89 | 14.21 | 4.29 |
气体收率/%(质量) | 1.69 | 1.83 | 1.79 | 1.77 | 4.52 |
总收率/%(质量) | 100.00 | 100.00 | 100.00 | 100.00 |
项目 | 500℃ | 550℃ | 600℃ |
---|---|---|---|
收率 | |||
油收率/%(质量) | 84.02 | 82.05 | 80.50 |
焦炭收率/%(质量) | 14.21 | 16.10 | 16.23 |
气体收率/%(质量) | 1.77 | 1.85 | 3.27 |
总物料收率/%(质量) | 100.00 | 100.00 | 100.00 |
液体产物分布 | |||
汽油馏分/%(质量) | 0.21 | 0.42 | 0.74 |
柴油馏分/%(质量) | 5.01 | 5.60 | 6.58 |
VGO馏分%(质量) | 68.28 | 68.30 | 67.99 |
重油馏分/%(质量) | 26.51 | 25.69 | 24.69 |
液体产物固含量 | |||
裂解油品固含量/(μg/g) | 167 | 162 | 161 |
脱固率/% | 94.61 | 94.77 | 94.81 |
Table 5 Variation of slurry oil cracking product distribution with temperature when fluid coke is used as heat carrier
项目 | 500℃ | 550℃ | 600℃ |
---|---|---|---|
收率 | |||
油收率/%(质量) | 84.02 | 82.05 | 80.50 |
焦炭收率/%(质量) | 14.21 | 16.10 | 16.23 |
气体收率/%(质量) | 1.77 | 1.85 | 3.27 |
总物料收率/%(质量) | 100.00 | 100.00 | 100.00 |
液体产物分布 | |||
汽油馏分/%(质量) | 0.21 | 0.42 | 0.74 |
柴油馏分/%(质量) | 5.01 | 5.60 | 6.58 |
VGO馏分%(质量) | 68.28 | 68.30 | 67.99 |
重油馏分/%(质量) | 26.51 | 25.69 | 24.69 |
液体产物固含量 | |||
裂解油品固含量/(μg/g) | 167 | 162 | 161 |
脱固率/% | 94.61 | 94.77 | 94.81 |
参数 | 油浆 | 石英砂裂解油 | 焦粉裂解油 |
---|---|---|---|
A1600 | 0.944 | 0.647 | 0.448 |
A1460 | 0.795 | 0.468 | 0.276 |
A1380 | 0.895 | 0.637 | 0.444 |
P | 0.739 | 0.745 | 0.754 |
fa | 0.448 | 0.452 | 0.457 |
Table 6 Calculation results of aromaticity of slurry oil and its pyrolysis oil
参数 | 油浆 | 石英砂裂解油 | 焦粉裂解油 |
---|---|---|---|
A1600 | 0.944 | 0.647 | 0.448 |
A1460 | 0.795 | 0.468 | 0.276 |
A1380 | 0.895 | 0.637 | 0.444 |
P | 0.739 | 0.745 | 0.754 |
fa | 0.448 | 0.452 | 0.457 |
分类 | 组分性质 | 含量/%(质量) | ||||
---|---|---|---|---|---|---|
Slurry oil | Sand-500 | Sand-600 | Coke-500 | Coke-600 | ||
烷烃类 | 20.61 | 15.33 | 16.36 | 12.47 | 17.59 | |
2~3环芳烃 | 萘系(带侧链) | 0.26 | 0.00 | 0.00 | 0.00 | 0.00 |
菲系(带侧链) | 3.60 | 3.42 | 3.97 | 1.47 | 1.04 | |
蒽系(带侧链) | 0.72 | 1.40 | 2.16 | 0.48 | 0.00 | |
其他 | 9.51 | 9.34 | 10.16 | 11.63 | 10.90 | |
4环芳烃 | 芘系(带侧链) | 8.67 | 9.73 | 11.20 | 8.04 | 6.00 |
?系(带侧链) | 5.28 | 12.84 | 12.53 | 2.55 | 3.46 | |
苯并菲(带侧链) | 2.73 | 2.74 | 2.91 | 2.24 | 2.12 | |
苯并蒽(带侧链) | 36.72 | 23.19 | 23.22 | 46.47 | 44.57 | |
其他 | 0.48 | 1.50 | 1.30 | 0.48 | 0.44 | |
5环芳烃 | 9.17 | 12.00 | 11.72 | 12.15 | 12.21 | |
2~5环占比 | 77.14 | 77.42 | 79.16 | 85.48 | 80.74 |
Table 7 Content of aromatic components in slurry and its pyrolysis oil
分类 | 组分性质 | 含量/%(质量) | ||||
---|---|---|---|---|---|---|
Slurry oil | Sand-500 | Sand-600 | Coke-500 | Coke-600 | ||
烷烃类 | 20.61 | 15.33 | 16.36 | 12.47 | 17.59 | |
2~3环芳烃 | 萘系(带侧链) | 0.26 | 0.00 | 0.00 | 0.00 | 0.00 |
菲系(带侧链) | 3.60 | 3.42 | 3.97 | 1.47 | 1.04 | |
蒽系(带侧链) | 0.72 | 1.40 | 2.16 | 0.48 | 0.00 | |
其他 | 9.51 | 9.34 | 10.16 | 11.63 | 10.90 | |
4环芳烃 | 芘系(带侧链) | 8.67 | 9.73 | 11.20 | 8.04 | 6.00 |
?系(带侧链) | 5.28 | 12.84 | 12.53 | 2.55 | 3.46 | |
苯并菲(带侧链) | 2.73 | 2.74 | 2.91 | 2.24 | 2.12 | |
苯并蒽(带侧链) | 36.72 | 23.19 | 23.22 | 46.47 | 44.57 | |
其他 | 0.48 | 1.50 | 1.30 | 0.48 | 0.44 | |
5环芳烃 | 9.17 | 12.00 | 11.72 | 12.15 | 12.21 | |
2~5环占比 | 77.14 | 77.42 | 79.16 | 85.48 | 80.74 |
热载体 | SBET/(m2/g) | Smic/ (m2/g) | Vtotal / (cm3/g) | Vmic /(cm3/g) | Dave/nm |
---|---|---|---|---|---|
新鲜焦粉 | 15.91 | 2.55 | 0.0162 | 0.0013 | 4.41 |
积炭焦粉 | 2.40 | 0 | 0.0102 | 0 | 5.26 |
Table 8 BET test results of fresh and spent fluid coke
热载体 | SBET/(m2/g) | Smic/ (m2/g) | Vtotal / (cm3/g) | Vmic /(cm3/g) | Dave/nm |
---|---|---|---|---|---|
新鲜焦粉 | 15.91 | 2.55 | 0.0162 | 0.0013 | 4.41 |
积炭焦粉 | 2.40 | 0 | 0.0102 | 0 | 5.26 |
项目 | 原始焦 | 循环1次 | 循环2次 | 循环3次 |
---|---|---|---|---|
温度/℃ | 500 | 500 | 500 | 500 |
油收率/%(质量) | 84.02 | 84.18 | 83.98 | 85.77 |
焦炭收率/%(质量) | 14.21 | 14.06 | 14.21 | 12.51 |
气体收率/%(质量) | 1.77 | 1.76 | 1.82 | 1.72 |
总收率/%(质量) | 100.00 | 100.00 | 100.00 | 100.00 |
Table 9 Product distribution of slurry oil during fluid coke circulation
项目 | 原始焦 | 循环1次 | 循环2次 | 循环3次 |
---|---|---|---|---|
温度/℃ | 500 | 500 | 500 | 500 |
油收率/%(质量) | 84.02 | 84.18 | 83.98 | 85.77 |
焦炭收率/%(质量) | 14.21 | 14.06 | 14.21 | 12.51 |
气体收率/%(质量) | 1.77 | 1.76 | 1.82 | 1.72 |
总收率/%(质量) | 100.00 | 100.00 | 100.00 | 100.00 |
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