CIESC Journal ›› 2023, Vol. 74 ›› Issue (7): 2957-2966.DOI: 10.11949/0438-1157.20230363
• Separation engineering • Previous Articles Next Articles
Jinming GAO(), Yujiao GUO, Chenglin E, Chunxi LU()
Received:
2023-04-12
Revised:
2023-07-12
Online:
2023-08-31
Published:
2023-07-05
Contact:
Chunxi LU
通讯作者:
卢春喜
作者简介:
高金明(1995—),男,博士研究生,gjm114@126.com
基金资助:
CLC Number:
Jinming GAO, Yujiao GUO, Chenglin E, Chunxi LU. Study on the separation characteristics of a downstream gas-liquid vortex separator in a closed hood[J]. CIESC Journal, 2023, 74(7): 2957-2966.
高金明, 郭玉娇, 鄂承林, 卢春喜. 一种封闭罩内顺流多旋臂气液分离器的分离特性研究[J]. 化工学报, 2023, 74(7): 2957-2966.
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参数 | B-GLVS | D-GLVS |
---|---|---|
入口进料管内径Di /mm | 283 | 283 |
气相出口管内径Do1 /mm | 207 | 207 |
液相出口管内径Do2 /mm | 100 | 100 |
分离罐体内径D1 /mm | 800 | 800 |
分离罐体高度H1 /mm | 3000 | 3000 |
封闭罩内径D2 /mm | — | 500 |
封闭罩插入深度H2 /mm | — | 1800 |
沉降高度H3 /mm | 1000 | 1000 |
旋臂中心距气相出口管高度H4 /mm | 940 | 940 |
旋臂半径r/mm | 141.5 | 141.5 |
旋臂圆心与罐体中心间距B/mm | 95.5 | 95.5 |
旋臂喷出口高度L/mm | 192 | 192 |
Table 1 Structural parameters of experimental prototypes
参数 | B-GLVS | D-GLVS |
---|---|---|
入口进料管内径Di /mm | 283 | 283 |
气相出口管内径Do1 /mm | 207 | 207 |
液相出口管内径Do2 /mm | 100 | 100 |
分离罐体内径D1 /mm | 800 | 800 |
分离罐体高度H1 /mm | 3000 | 3000 |
封闭罩内径D2 /mm | — | 500 |
封闭罩插入深度H2 /mm | — | 1800 |
沉降高度H3 /mm | 1000 | 1000 |
旋臂中心距气相出口管高度H4 /mm | 940 | 940 |
旋臂半径r/mm | 141.5 | 141.5 |
旋臂圆心与罐体中心间距B/mm | 95.5 | 95.5 |
旋臂喷出口高度L/mm | 192 | 192 |
实验物料 | 动力黏度(20℃)/ (mPa·s) | 密度(20℃)/ (kg/m3) | 粒径/μm |
---|---|---|---|
空气 | 1 | 1.2 | — |
水 | 0.018 | 998 | 5.75~36.65 |
Table 2 Experimental material parameters
实验物料 | 动力黏度(20℃)/ (mPa·s) | 密度(20℃)/ (kg/m3) | 粒径/μm |
---|---|---|---|
空气 | 1 | 1.2 | — |
水 | 0.018 | 998 | 5.75~36.65 |
Qi/(m3/h) | Vi/(m/s) | Va/(m/s) |
---|---|---|
1100 | 4.86 | 6.22 |
1400 | 6.18 | 7.91 |
1800 | 7.95 | 10.17 |
2200 | 9.72 | 12.43 |
2600 | 11.48 | 14.69 |
3000 | 13.25 | 16.95 |
3600 | 15.90 | 20.35 |
4000 | 17.66 | 22.61 |
Table 3 Experimental parameters of inlet gas volume
Qi/(m3/h) | Vi/(m/s) | Va/(m/s) |
---|---|---|
1100 | 4.86 | 6.22 |
1400 | 6.18 | 7.91 |
1800 | 7.95 | 10.17 |
2200 | 9.72 | 12.43 |
2600 | 11.48 | 14.69 |
3000 | 13.25 | 16.95 |
3600 | 15.90 | 20.35 |
4000 | 17.66 | 22.61 |
喷嘴数 | mi/(kg/h) |
---|---|
3 | 55.56 |
4 | 74.62 |
5 | 92.50 |
6 | 111.38 |
7 | 127.34 |
8 | 146.69 |
Table 4 Experimental parameters of inlet liquid quality
喷嘴数 | mi/(kg/h) |
---|---|
3 | 55.56 |
4 | 74.62 |
5 | 92.50 |
6 | 111.38 |
7 | 127.34 |
8 | 146.69 |
Va/(m/s) | ΔP1/Pa | ΔP2/Pa | ΔP΄/Pa | ΔP/Pa | ε/% |
---|---|---|---|---|---|
6.22 | 61.62 | 138.86 | 200.48 | 204.90 | 2.16 |
7.91 | 184.13 | 221.78 | 405.91 | 395.09 | 2.74 |
10.17 | 267.44 | 381.39 | 648.83 | 663.93 | 2.27 |
12.43 | 387.78 | 548.88 | 936.65 | 950.88 | 1.50 |
14.69 | 543.07 | 776.24 | 1319.31 | 1336.58 | 1.29 |
16.95 | 760.18 | 1038.44 | 1798.62 | 1812.12 | 0.74 |
20.35 | 1116.69 | 1493.18 | 2609.87 | 2611.84 | 0.08 |
22.61 | 1341.09 | 1794.74 | 3135.83 | 3146.80 | 0.35 |
Table 5 Measured values of segmental pressure drop
Va/(m/s) | ΔP1/Pa | ΔP2/Pa | ΔP΄/Pa | ΔP/Pa | ε/% |
---|---|---|---|---|---|
6.22 | 61.62 | 138.86 | 200.48 | 204.90 | 2.16 |
7.91 | 184.13 | 221.78 | 405.91 | 395.09 | 2.74 |
10.17 | 267.44 | 381.39 | 648.83 | 663.93 | 2.27 |
12.43 | 387.78 | 548.88 | 936.65 | 950.88 | 1.50 |
14.69 | 543.07 | 776.24 | 1319.31 | 1336.58 | 1.29 |
16.95 | 760.18 | 1038.44 | 1798.62 | 1812.12 | 0.74 |
20.35 | 1116.69 | 1493.18 | 2609.87 | 2611.84 | 0.08 |
22.61 | 1341.09 | 1794.74 | 3135.83 | 3146.80 | 0.35 |
分段压降 | ξ | R2 |
---|---|---|
ΔP1 | 4.161 | 0.9976 |
ΔP2 | 5.487 | 0.9994 |
ΔP | 9.666 | 0.9993 |
Table 6 Analysis of the results of segmental pressure
分段压降 | ξ | R2 |
---|---|---|
ΔP1 | 4.161 | 0.9976 |
ΔP2 | 5.487 | 0.9994 |
ΔP | 9.666 | 0.9993 |
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