Chemical Industry and Engineering Progress ›› 2023, Vol. 42 ›› Issue (S1): 113-123.DOI: 10.16085/j.issn.1000-6613.2023-0926
• Chemical processes and equipment • Previous Articles Next Articles
LI Mengyuan1(), GUO Fan2(), LI Qunsheng1
Received:
2023-06-05
Revised:
2023-06-17
Online:
2023-11-30
Published:
2023-10-25
Contact:
GUO Fan
通讯作者:
郭凡
作者简介:
李梦圆(1999—),硕士研究生,研究方向为传质与分离。E-mail:3042803252@qq.com。
基金资助:
CLC Number:
LI Mengyuan, GUO Fan, LI Qunsheng. Simulation and optimization of the third and fourth distillation columns in the recovery section of polyvinyl alcohol production[J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 113-123.
李梦圆, 郭凡, 李群生. 聚乙烯醇生产中回收工段第三、第四精馏塔的模拟与优化[J]. 化工进展, 2023, 42(S1): 113-123.
Add to citation manager EndNote|Ris|BibTeX
URL: https://hgjz.cip.com.cn/EN/10.16085/j.issn.1000-6613.2023-0926
T/K | x1 | y1 | T/K | x1 | y1 |
---|---|---|---|---|---|
327.45 | 1.000 | 1.000 | 339.77 | 0.332 | 0.706 |
328.20 | 0.948 | 0.983 | 341.06 | 0.289 | 0.674 |
330.31 | 0.819 | 0.935 | 342.54 | 0.246 | 0.638 |
331.93 | 0.707 | 0.888 | 346.11 | 0.160 | 0.538 |
333.76 | 0.620 | 0.849 | 352.16 | 0.075 | 0.366 |
335.03 | 0.536 | 0.816 | 355.88 | 0.039 | 0.235 |
336.93 | 0.449 | 0.769 | 358.06 | 0.020 | 0.139 |
338.16 | 0.393 | 0.744 | 361.51 | 0.000 | 0.000 |
T/K | x1 | y1 | T/K | x1 | y1 |
---|---|---|---|---|---|
327.45 | 1.000 | 1.000 | 339.77 | 0.332 | 0.706 |
328.20 | 0.948 | 0.983 | 341.06 | 0.289 | 0.674 |
330.31 | 0.819 | 0.935 | 342.54 | 0.246 | 0.638 |
331.93 | 0.707 | 0.888 | 346.11 | 0.160 | 0.538 |
333.76 | 0.620 | 0.849 | 352.16 | 0.075 | 0.366 |
335.03 | 0.536 | 0.816 | 355.88 | 0.039 | 0.235 |
336.93 | 0.449 | 0.769 | 358.06 | 0.020 | 0.139 |
338.16 | 0.393 | 0.744 | 361.51 | 0.000 | 0.000 |
x1 | x2 | ln(γ1/γ2) | ||
---|---|---|---|---|
1.0000 | 0.0000 | 65.7474 | 15.2172 | — |
0.9481 | 0.0519 | 67.8536 | 15.7761 | -0.3046 |
0.8193 | 0.1807 | 74.0832 | 17.4433 | -0.2897 |
0.7072 | 0.2928 | 79.1836 | 18.823 | -0.2471 |
0.6200 | 0.3800 | 85.2935 | 20.4921 | -0.1888 |
0.5364 | 0.4636 | 89.7602 | 21.7229 | -0.0735 |
0.4487 | 0.5513 | 96.8044 | 23.6812 | -0.0006 |
0.3928 | 0.6072 | 101.6047 | 25.0271 | 0.1004 |
0.3321 | 0.6679 | 108.1848 | 26.8862 | 0.1830 |
0.2887 | 0.7113 | 113.7083 | 28.4589 | 0.2414 |
0.2459 | 0.7541 | 120.3308 | 30.3583 | 0.3096 |
0.1598 | 0.8402 | 137.6269 | 35.3854 | 0.4523 |
0.0747 | 0.9253 | 171.597 | 45.5045 | 0.6356 |
0.0386 | 0.9614 | 195.7048 | 52.8565 | 0.7151 |
0.0199 | 0.9801 | 211.0762 | 57.6097 | 0.7697 |
0.0000 | 1.0000 | 237.4105 | 65.8599 | — |
x1 | x2 | ln(γ1/γ2) | ||
---|---|---|---|---|
1.0000 | 0.0000 | 65.7474 | 15.2172 | — |
0.9481 | 0.0519 | 67.8536 | 15.7761 | -0.3046 |
0.8193 | 0.1807 | 74.0832 | 17.4433 | -0.2897 |
0.7072 | 0.2928 | 79.1836 | 18.823 | -0.2471 |
0.6200 | 0.3800 | 85.2935 | 20.4921 | -0.1888 |
0.5364 | 0.4636 | 89.7602 | 21.7229 | -0.0735 |
0.4487 | 0.5513 | 96.8044 | 23.6812 | -0.0006 |
0.3928 | 0.6072 | 101.6047 | 25.0271 | 0.1004 |
0.3321 | 0.6679 | 108.1848 | 26.8862 | 0.1830 |
0.2887 | 0.7113 | 113.7083 | 28.4589 | 0.2414 |
0.2459 | 0.7541 | 120.3308 | 30.3583 | 0.3096 |
0.1598 | 0.8402 | 137.6269 | 35.3854 | 0.4523 |
0.0747 | 0.9253 | 171.597 | 45.5045 | 0.6356 |
0.0386 | 0.9614 | 195.7048 | 52.8565 | 0.7151 |
0.0199 | 0.9801 | 211.0762 | 57.6097 | 0.7697 |
0.0000 | 1.0000 | 237.4105 | 65.8599 | — |
x1 | y1(NRTL) | y1(Wilson) | y1(UNIQUAC) |
---|---|---|---|
0.0000 | 0.0000 | 0.0000 | 0.0000 |
0.0476 | 0.2739 | 0.2743 | 0.2678 |
0.0952 | 0.4285 | 0.4284 | 0.4236 |
0.1429 | 0.5287 | 0.5282 | 0.5257 |
0.1905 | 0.5994 | 0.5988 | 0.5981 |
0.2381 | 0.6526 | 0.6519 | 0.6525 |
0.2857 | 0.6944 | 0.6939 | 0.6952 |
0.3333 | 0.7286 | 0.7283 | 0.7299 |
0.3810 | 0.7575 | 0.7573 | 0.7591 |
0.4286 | 0.7825 | 0.7825 | 0.7842 |
0.4762 | 0.8048 | 0.8050 | 0.8065 |
0.5238 | 0.8250 | 0.8254 | 0.8266 |
0.5714 | 0.8438 | 0.8443 | 0.8452 |
0.6190 | 0.8616 | 0.8621 | 0.8628 |
0.6667 | 0.8787 | 0.8793 | 0.8796 |
0.7143 | 0.8955 | 0.8960 | 0.8961 |
0.7619 | 0.9121 | 0.9125 | 0.9124 |
0.8095 | 0.9288 | 0.9291 | 0.9289 |
0.8571 | 0.9458 | 0.9459 | 0.9457 |
0.9048 | 0.9632 | 0.9632 | 0.9630 |
0.9524 | 0.9813 | 0.9811 | 0.9810 |
1.0000 | 1.0000 | 1.0000 | 1.0000 |
x1 | y1(NRTL) | y1(Wilson) | y1(UNIQUAC) |
---|---|---|---|
0.0000 | 0.0000 | 0.0000 | 0.0000 |
0.0476 | 0.2739 | 0.2743 | 0.2678 |
0.0952 | 0.4285 | 0.4284 | 0.4236 |
0.1429 | 0.5287 | 0.5282 | 0.5257 |
0.1905 | 0.5994 | 0.5988 | 0.5981 |
0.2381 | 0.6526 | 0.6519 | 0.6525 |
0.2857 | 0.6944 | 0.6939 | 0.6952 |
0.3333 | 0.7286 | 0.7283 | 0.7299 |
0.3810 | 0.7575 | 0.7573 | 0.7591 |
0.4286 | 0.7825 | 0.7825 | 0.7842 |
0.4762 | 0.8048 | 0.8050 | 0.8065 |
0.5238 | 0.8250 | 0.8254 | 0.8266 |
0.5714 | 0.8438 | 0.8443 | 0.8452 |
0.6190 | 0.8616 | 0.8621 | 0.8628 |
0.6667 | 0.8787 | 0.8793 | 0.8796 |
0.7143 | 0.8955 | 0.8960 | 0.8961 |
0.7619 | 0.9121 | 0.9125 | 0.9124 |
0.8095 | 0.9288 | 0.9291 | 0.9289 |
0.8571 | 0.9458 | 0.9459 | 0.9457 |
0.9048 | 0.9632 | 0.9632 | 0.9630 |
0.9524 | 0.9813 | 0.9811 | 0.9810 |
1.0000 | 1.0000 | 1.0000 | 1.0000 |
A12 | A21 | B12 | B21 | 平均 偏差 | 最大 偏差 | 平均绝对偏差/% |
---|---|---|---|---|---|---|
-0.693 | 2.7322 | 172.9871 | -617.2687 | 0.3123 | -2.8756 | 0.5832 |
A12 | A21 | B12 | B21 | 平均 偏差 | 最大 偏差 | 平均绝对偏差/% |
---|---|---|---|---|---|---|
-0.693 | 2.7322 | 172.9871 | -617.2687 | 0.3123 | -2.8756 | 0.5832 |
序号 | P/bar | T/℃ |
---|---|---|
1 | 0.0 | 65.1 |
2 | 0.5 | 75.5 |
3 | 1.0 | 83.6 |
4 | 1.5 | 90.7 |
5 | 2.0 | 95.2 |
6 | 2.5 | 100.2 |
7 | 3.0 | 104.0 |
8 | 3.5 | 108.1 |
9 | 4.0 | 112.9 |
序号 | P/bar | T/℃ |
---|---|---|
1 | 0.0 | 65.1 |
2 | 0.5 | 75.5 |
3 | 1.0 | 83.6 |
4 | 1.5 | 90.7 |
5 | 2.0 | 95.2 |
6 | 2.5 | 100.2 |
7 | 3.0 | 104.0 |
8 | 3.5 | 108.1 |
9 | 4.0 | 112.9 |
R | QR/MW | QC/MW | Q=(-QC +QR)/MW |
---|---|---|---|
1.85 | 5.370 | -3.896 | 9.266 |
1.9 | 5.436 | -3.961 | 9.396 |
1.95 | 5.501 | -4.026 | 9.527 |
2 | 5.567 | -4.091 | 9.659 |
2.05 | 5.633 | -4.157 | 9.790 |
2.1 | 5.700 | -4.223 | 9.923 |
2.15 | 5.766 | -4.289 | 10.055 |
2.2 | 5.833 | -4.355 | 10.188 |
2.25 | 5.900 | -4.422 | 10.321 |
2.3 | 5.967 | -4.488 | 10.455 |
2.35 | 6.033 | -4.555 | 10.588 |
R | QR/MW | QC/MW | Q=(-QC +QR)/MW |
---|---|---|---|
1.85 | 5.370 | -3.896 | 9.266 |
1.9 | 5.436 | -3.961 | 9.396 |
1.95 | 5.501 | -4.026 | 9.527 |
2 | 5.567 | -4.091 | 9.659 |
2.05 | 5.633 | -4.157 | 9.790 |
2.1 | 5.700 | -4.223 | 9.923 |
2.15 | 5.766 | -4.289 | 10.055 |
2.2 | 5.833 | -4.355 | 10.188 |
2.25 | 5.900 | -4.422 | 10.321 |
2.3 | 5.967 | -4.488 | 10.455 |
2.35 | 6.033 | -4.555 | 10.588 |
组分 | TQ-603进料(自TQ-602釜液) | 采出 | 塔釜液 | |||
---|---|---|---|---|---|---|
W2/kg∙h-1 | w | D3/kg∙h-1 | w | W3/kg∙h-1 | w | |
MeOH | 4963.0 | 0.2605 | 4939.4 | 0.9952 | 23.6 | 0.0000 |
MeOAc | 0.3 | 0.0001 | 0.3 | 0.0000 | 0.0 | 0.0017 |
H2O | 14084.3 | 0.7393 | 22.1 | 0.0045 | 14062.2 | 0.9982 |
Ald | 0.0 | 0.0000 | 0.0 | 0.0000 | 0.0 | 0.0000 |
Ace | 2.5 | 0.0001 | 1.3 | 0.0003 | 1.3 | 0.0001 |
NaAc | 0.0 | 0.0000 | 0 | 0 | 0 | |
总量 | 19050.1 | 1 | 4963.0 | 1 | 14087.1 | 1 |
T/℃ | 85.0 | 100.2 | 138.8 | |||
P/atm | 1.05 | 2.5 | 2.6 |
组分 | TQ-603进料(自TQ-602釜液) | 采出 | 塔釜液 | |||
---|---|---|---|---|---|---|
W2/kg∙h-1 | w | D3/kg∙h-1 | w | W3/kg∙h-1 | w | |
MeOH | 4963.0 | 0.2605 | 4939.4 | 0.9952 | 23.6 | 0.0000 |
MeOAc | 0.3 | 0.0001 | 0.3 | 0.0000 | 0.0 | 0.0017 |
H2O | 14084.3 | 0.7393 | 22.1 | 0.0045 | 14062.2 | 0.9982 |
Ald | 0.0 | 0.0000 | 0.0 | 0.0000 | 0.0 | 0.0000 |
Ace | 2.5 | 0.0001 | 1.3 | 0.0003 | 1.3 | 0.0001 |
NaAc | 0.0 | 0.0000 | 0 | 0 | 0 | |
总量 | 19050.1 | 1 | 4963.0 | 1 | 14087.1 | 1 |
T/℃ | 85.0 | 100.2 | 138.8 | |||
P/atm | 1.05 | 2.5 | 2.6 |
组分 | TQ-604进料(自TQ-601釜液) | TQ-604进料(自TQ-302釜液) | TQ-604采出 | TQ-604釜液 | ||||
---|---|---|---|---|---|---|---|---|
W1/kg∙h-1 | w | W302/kg∙h-1 | w | D4/kg∙h-1 | w | W4/kg∙h-1 | w | |
MeOH | 43526.0 | 0.9713 | 12370.0 | 0.3800 | 56249.8 | 0.9955 | 6.4 | 0.0003 |
MeOAc | 4.1 | 0.0001 | 3.9 | 0.0001 | ||||
H2O | 1184.4 | 0.0264 | 20770.0 | 0.6200 | 231.9 | 0.0042 | 21722.5 | 0.9960 |
Ald | 0.001 | 0.0001 | ||||||
Ace | 14.4 | 0.0003 | 14.4 | 0.0002 | ||||
NaAc | 81.1 | 0.0018 | 81.1 | 0.0037 | ||||
总量 | 44810.0 | 1 | 33500.0 | 1 | 56500.0 | 1 | 21860.0 | 1 |
T/℃ | 68.2 | 80.0 | 64.6 | 100.0 | ||||
P/atm | 1.12 | 3.96 | 1.02 | 1.00 |
组分 | TQ-604进料(自TQ-601釜液) | TQ-604进料(自TQ-302釜液) | TQ-604采出 | TQ-604釜液 | ||||
---|---|---|---|---|---|---|---|---|
W1/kg∙h-1 | w | W302/kg∙h-1 | w | D4/kg∙h-1 | w | W4/kg∙h-1 | w | |
MeOH | 43526.0 | 0.9713 | 12370.0 | 0.3800 | 56249.8 | 0.9955 | 6.4 | 0.0003 |
MeOAc | 4.1 | 0.0001 | 3.9 | 0.0001 | ||||
H2O | 1184.4 | 0.0264 | 20770.0 | 0.6200 | 231.9 | 0.0042 | 21722.5 | 0.9960 |
Ald | 0.001 | 0.0001 | ||||||
Ace | 14.4 | 0.0003 | 14.4 | 0.0002 | ||||
NaAc | 81.1 | 0.0018 | 81.1 | 0.0037 | ||||
总量 | 44810.0 | 1 | 33500.0 | 1 | 56500.0 | 1 | 21860.0 | 1 |
T/℃ | 68.2 | 80.0 | 64.6 | 100.0 | ||||
P/atm | 1.12 | 3.96 | 1.02 | 1.00 |
序号 | P/atm | T/℃ |
---|---|---|
1 | 1 | 64.87 |
2 | 1.5 | 75.53 |
3 | 2 | 83.57 |
4 | 2.5 | 90.11 |
5 | 3 | 95.65 |
6 | 3.5 | 100.49 |
7 | 4 | 104.79 |
8 | 4.5 | 108.68 |
9 | 5 | 112.24 |
10 | 5.5 | 115.52 |
11 | 2.5 | 118.57 |
序号 | P/atm | T/℃ |
---|---|---|
1 | 1 | 64.87 |
2 | 1.5 | 75.53 |
3 | 2 | 83.57 |
4 | 2.5 | 90.11 |
5 | 3 | 95.65 |
6 | 3.5 | 100.49 |
7 | 4 | 104.79 |
8 | 4.5 | 108.68 |
9 | 5 | 112.24 |
10 | 5.5 | 115.52 |
11 | 2.5 | 118.57 |
序号 | 精馏采出量D/kg·h-1 | w(MeOH)塔底 | T/℃ |
---|---|---|---|
1 | 30000 | 0.9220 | 66.18 |
2 | 31000 | 0.9166 | 66.41 |
3 | 32000 | 0.9104 | 66.76 |
4 | 33000 | 0.9032 | 67.03 |
5 | 34000 | 0.8946 | 67.43 |
6 | 35000 | 0.8842 | 67.88 |
7 | 36000 | 0.8715 | 68.28 |
8 | 37000 | 0.8556 | 68.45 |
9 | 38000 | 0.8349 | 68.73 |
10 | 39000 | 0.8071 | 69.16 |
11 | 40000 | 0.7677 | 70.06 |
12 | 41000 | 0.7076 | 71.40 |
13 | 42000 | 0.6046 | 73.72 |
14 | 43000 | 0.3871 | 79.20 |
15 | 44000 | 0.0000 | 100.55 |
序号 | 精馏采出量D/kg·h-1 | w(MeOH)塔底 | T/℃ |
---|---|---|---|
1 | 30000 | 0.9220 | 66.18 |
2 | 31000 | 0.9166 | 66.41 |
3 | 32000 | 0.9104 | 66.76 |
4 | 33000 | 0.9032 | 67.03 |
5 | 34000 | 0.8946 | 67.43 |
6 | 35000 | 0.8842 | 67.88 |
7 | 36000 | 0.8715 | 68.28 |
8 | 37000 | 0.8556 | 68.45 |
9 | 38000 | 0.8349 | 68.73 |
10 | 39000 | 0.8071 | 69.16 |
11 | 40000 | 0.7677 | 70.06 |
12 | 41000 | 0.7076 | 71.40 |
13 | 42000 | 0.6046 | 73.72 |
14 | 43000 | 0.3871 | 79.20 |
15 | 44000 | 0.0000 | 100.55 |
D/kg·h-1 | w(MeOH)塔顶 | D/kg·h-1 | w(MeOH)塔顶 |
---|---|---|---|
25300 | 0.9951 | 25400 | 0.9942 |
25310 | 0.9951 | 25410 | 0.9938 |
25320 | 0.9951 | 25420 | 0.9934 |
25330 | 0.9951 | 25430 | 0.9931 |
25340 | 0.9951 | 25440 | 0.9927 |
25350 | 0.9951 | 25450 | 0.9923 |
25360 | 0.9951 | 25460 | 0.9919 |
25370 | 0.9950 | 25470 | 0.9915 |
25380 | 0.9950 | 25480 | 0.9911 |
25390 | 0.9946 | 25490 | 0.9907 |
D/kg·h-1 | w(MeOH)塔顶 | D/kg·h-1 | w(MeOH)塔顶 |
---|---|---|---|
25300 | 0.9951 | 25400 | 0.9942 |
25310 | 0.9951 | 25410 | 0.9938 |
25320 | 0.9951 | 25420 | 0.9934 |
25330 | 0.9951 | 25430 | 0.9931 |
25340 | 0.9951 | 25440 | 0.9927 |
25350 | 0.9951 | 25450 | 0.9923 |
25360 | 0.9951 | 25460 | 0.9919 |
25370 | 0.9950 | 25470 | 0.9915 |
25380 | 0.9950 | 25480 | 0.9911 |
25390 | 0.9946 | 25490 | 0.9907 |
组分 | TQ-603进料 (自TQ-602釜液) | TQ-603进料 (自TQ-302釜液) | TQ-603进料 (自TQ-604塔釜) | 采出 | 塔釜液 | |||||
---|---|---|---|---|---|---|---|---|---|---|
W2/kg∙h-1 | w | W302/kg∙h-1 | w | W4/kg∙h-1 | w | D3/kg∙h-1 | w | W3/kg∙h-1 | w | |
MeOH | 4963.0 | 0.2605 | 12370.0 | 0.3800 | 7691.8 | 0.8741 | 25255.4 | 0.9951 | 0.1 | 0.0000 |
MeOAc | 0.3 | 0.00001 | ||||||||
H2O | 14084.3 | 0.7393 | 20770.0 | 0.6200 | 1026.8 | 0.1167 | 122.2 | 0.0048 | 40888.3 | 0.9980 |
Ald | 0.0 | 0.0000 | ||||||||
Ace | 2.5 | 0.0001 | 0.3 | 0.0000 | 2.4 | 0.0001 | 0.5 | 0.0001 | ||
NaAc | 0.0000 | 0.0000 | 81.1 | 0.0092 | 81.1 | 0.0019 | ||||
总量 | 19050.1 | 1 | 33500.0 | 1 | 8800.0 | 1 | 25380 | 1 | 40970 | 1 |
T/℃ | 85.0 | 80.0 | 69.7 | 108.5 | 149.3 | |||||
P/atm | 1.05 | 3.96 | 1.08 | 4.5 | 4.6 |
组分 | TQ-603进料 (自TQ-602釜液) | TQ-603进料 (自TQ-302釜液) | TQ-603进料 (自TQ-604塔釜) | 采出 | 塔釜液 | |||||
---|---|---|---|---|---|---|---|---|---|---|
W2/kg∙h-1 | w | W302/kg∙h-1 | w | W4/kg∙h-1 | w | D3/kg∙h-1 | w | W3/kg∙h-1 | w | |
MeOH | 4963.0 | 0.2605 | 12370.0 | 0.3800 | 7691.8 | 0.8741 | 25255.4 | 0.9951 | 0.1 | 0.0000 |
MeOAc | 0.3 | 0.00001 | ||||||||
H2O | 14084.3 | 0.7393 | 20770.0 | 0.6200 | 1026.8 | 0.1167 | 122.2 | 0.0048 | 40888.3 | 0.9980 |
Ald | 0.0 | 0.0000 | ||||||||
Ace | 2.5 | 0.0001 | 0.3 | 0.0000 | 2.4 | 0.0001 | 0.5 | 0.0001 | ||
NaAc | 0.0000 | 0.0000 | 81.1 | 0.0092 | 81.1 | 0.0019 | ||||
总量 | 19050.1 | 1 | 33500.0 | 1 | 8800.0 | 1 | 25380 | 1 | 40970 | 1 |
T/℃ | 85.0 | 80.0 | 69.7 | 108.5 | 149.3 | |||||
P/atm | 1.05 | 3.96 | 1.08 | 4.5 | 4.6 |
组分 | TQ-604进料(自TQ-601釜液) | TQ-604采出 | TQ-604釜液 | |||
---|---|---|---|---|---|---|
W1/kg∙h-1 | w | D4/kg∙h-1 | w | W4/kg∙h-1 | w | |
MeOH | 43526.0 | 0.9713 | 35818.0 | 0.9950 | 7691.8 | 0.8741 |
MeOAc | 4.1 | 0.0001 | 2.1 | 0.0001 | 0.0 | 0.0000 |
H2O | 1184.4 | 0.0264 | 166.0 | 0.0045 | 1026.8 | 0.1167 |
Ald | 0.001 | 0.0001 | ||||
Ace | 14.4 | 0.0003 | 13.9 | 0.0004 | 0.3 | 0.0000 |
NaAc | 81.1 | 0.0018 | 81.1 | 0.0092 | ||
总量 | 44810.0 | 1 | 36000.0 | 1 | 8800.0 | 1 |
T/℃ | 68.2 | 64.7 | 69.7 | |||
P/atm | 1.12 | 1.00 | 1.08 |
组分 | TQ-604进料(自TQ-601釜液) | TQ-604采出 | TQ-604釜液 | |||
---|---|---|---|---|---|---|
W1/kg∙h-1 | w | D4/kg∙h-1 | w | W4/kg∙h-1 | w | |
MeOH | 43526.0 | 0.9713 | 35818.0 | 0.9950 | 7691.8 | 0.8741 |
MeOAc | 4.1 | 0.0001 | 2.1 | 0.0001 | 0.0 | 0.0000 |
H2O | 1184.4 | 0.0264 | 166.0 | 0.0045 | 1026.8 | 0.1167 |
Ald | 0.001 | 0.0001 | ||||
Ace | 14.4 | 0.0003 | 13.9 | 0.0004 | 0.3 | 0.0000 |
NaAc | 81.1 | 0.0018 | 81.1 | 0.0092 | ||
总量 | 44810.0 | 1 | 36000.0 | 1 | 8800.0 | 1 |
T/℃ | 68.2 | 64.7 | 69.7 | |||
P/atm | 1.12 | 1.00 | 1.08 |
操作参数 | 改造前 TQ-603 | 改造后 TQ-603 | 改造前 TQ-604 | 改造后 TQ-604 |
---|---|---|---|---|
N(理论板) | 25 | 28 | 21 | 21 |
R | 2.05 | 2.50 | 0.70 | 0.40 |
NF | 20 | 7/12/20 | 8/18 | 7 |
D/kg∙h-1 | 4963 | 25380 | 56500 | 36000 |
P/atm | 2.5 | 4.5 | 1.02 | 1.02 |
操作参数 | 改造前 TQ-603 | 改造后 TQ-603 | 改造前 TQ-604 | 改造后 TQ-604 |
---|---|---|---|---|
N(理论板) | 25 | 28 | 21 | 21 |
R | 2.05 | 2.50 | 0.70 | 0.40 |
NF | 20 | 7/12/20 | 8/18 | 7 |
D/kg∙h-1 | 4963 | 25380 | 56500 | 36000 |
P/atm | 2.5 | 4.5 | 1.02 | 1.02 |
操作参数 | 塔顶温度 /℃ | 塔底温度 /℃ | 冷凝器能耗/MW | 再沸器能耗 /MW |
---|---|---|---|---|
改造前TQ-601 | 53.4 | 68.2 | 11.14 | 11.64 |
改造前TQ-602 | 55.4 | 88.0 | 7.56 | 9.22 |
改造前TQ-603 | 100.0 | 138.8 | 4.30 | 5.46 |
改造前TQ-604 | 64.6 | 100.0 | 29.41 | 29.84 |
改造后TQ-601 | 53.4 | 68.2 | 11.14 | 11.64 |
改造后TQ-602 | 55.4 | 88.0 | 7.56 | 9.22 |
改造后TQ-603 | 108.5 | 149.3 | 22.59 | 27.29 |
改造后TQ-604 | 64.7 | 69.7 | 15.45 | 15.34 |
操作参数 | 塔顶温度 /℃ | 塔底温度 /℃ | 冷凝器能耗/MW | 再沸器能耗 /MW |
---|---|---|---|---|
改造前TQ-601 | 53.4 | 68.2 | 11.14 | 11.64 |
改造前TQ-602 | 55.4 | 88.0 | 7.56 | 9.22 |
改造前TQ-603 | 100.0 | 138.8 | 4.30 | 5.46 |
改造前TQ-604 | 64.6 | 100.0 | 29.41 | 29.84 |
改造后TQ-601 | 53.4 | 68.2 | 11.14 | 11.64 |
改造后TQ-602 | 55.4 | 88.0 | 7.56 | 9.22 |
改造后TQ-603 | 108.5 | 149.3 | 22.59 | 27.29 |
改造后TQ-604 | 64.7 | 69.7 | 15.45 | 15.34 |
1 | 张荣梅, 王爱青, 崔晓芳. 聚乙烯醇醇解度影响因素浅析[J]. 中国高新技术企业, 2012(16): 24-25. |
ZHANG Rongmei, WANG Aiqing, CUI Xiaofang. Analysis on influencing factors of alcoholysis degree of polyvinyl alcohol[J]. China High-Tech Enterprises, 2012(16): 24-25. | |
2 | 杨亮, 房进信, 谢明珠, 等. 聚乙烯醇改性研究进展[J]. 染整技术, 2021, 43(4): 13-17,24. |
YANG Liang, FANG Jinxin, XIE Mingzhu, et al. Research progress of modification of polyvinyl alcohol[J].Textile Dyeing and Finishing Journal, 2021, 43(4): 13-17,24. | |
3 | 郭浩. 聚乙烯醇生产过程中的工艺与安全问题探讨[J]. 化工管理, 2017(17): 27. |
GUO Hao. Discussion on technology and safety problems in polyvinyl alcohol production[J]. Chemical Engineering Management, 2017(17): 27. | |
4 | 屈建宁. 聚乙烯醇生产过程中提质节能降耗的途径[J]. 石油化工设计, 2016, 33(1): 40-42. |
QU Jianning. Quality improvement, energy saving and consumption reduction measures in PVA production[J]. Petrochemical Design, 2016, 33(1): 40-42. | |
5 | 陆逸昕, 刘霞洁, 沈佳艳. 醋酸乙烯与聚乙烯醇生产工艺分析及综合优化[J]. 科技创新与应用, 2016(11): 120. |
LU Yixin, LIU Xiajie, SHEN Jiayan. Analysis and comprehensive optimization of production process of vinyl acetate and polyvinyl alcohol[J]. Technology Innovation and Application, 2016(11): 120. | |
6 | 崔小明. 国内外聚乙烯醇供需现状及发展前景分析[J]. 石油化工技术与经济, 2020, 36(6): 9-15. |
CUI Xiaoming. Analysis of supply and demand status and development prospect of polyvinyl alcohol at home and abroad[J]. Technology & Economics in Petrochemicals, 2020, 36(6): 9-15. | |
7 | 杨豪安. 中国聚乙烯醇改性薄膜近20年来发展现状及前景[J]. 绿色包装, 2018(5): 69-71. |
YANG Haoan. Recent development and prospect of polyvinyl alcohol modified membrane in China in recent 20 years[J]. Green Packaging, 2018(5): 69-71. | |
8 | YANG Changsheng, SUN Feizhong, MA Shengyong, et al. Organic salt effect on vapor-liquid equilibrium of the methanol + water system at subatmospheric pressure[J]. Journal of Chemical & Engineering Data, 2012, 57(10): 2696-2701. |
9 | 张荣. 氨合成系统模拟与优化研究[D]. 郑州: 郑州大学, 2010. |
ZHANG Rong. Study on simulation and optimization of ammonia synthesis system[D]. Zhengzhou: Zhengzhou University, 2010. | |
10 | 郑丹星. 流体与过程热力学[M]. 2版. 北京: 化学工业出版社, 2010. |
ZHENG Danxing. Fluid and process thermodynamics[M]. 2nd ed. Beijing: Chemical Industry Press, 2010. | |
11 | PRAUSNITZ J M, SNIDER G D. Thermodynamic consistency test for multicomponent solutions[J]. AIChE Journal, 1959, 5(3): 7S-8S. |
12 | HERINGTON E F G. A thermodynamic test for the internal consistency of experimental data on volatility ratios[J]. Nature, 1947, 160(4070): 610-611. |
[1] | ZHANG Ruijie, LIU Zhilin, WANG Junwen, ZHANG Wei, HAN Deqiu, LI Ting, ZOU Xiong. On-line dynamic simulation and optimization of water-cooled cascade refrigeration system [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 124-132. |
[2] | WANG Tai, SU Shuo, LI Shengrui, MA Xiaolong, LIU Chuntao. Dynamic behavior of single bubble attached to the solid wall in the AC electric field [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 133-141. |
[3] | SUN Jipeng, HAN Jing, TANG Yangchao, YAN Bowen, ZHANG Jieyao, XIAO Ping, WU Feng. Numerical simulation and optimization of operating parameters of sulfur wet molding process [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 189-196. |
[4] | WANG Fu'an. Consumption and emission reduction of the reactor of 300kt/a propylene oxide process [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 213-218. |
[5] | CHEN Kuangyin, LI Ruilan, TONG Yang, SHEN Jianhua. Structure design of gas diffusion layer in proton exchange membrane fuel cell [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 246-259. |
[6] | YANG Yudi, LI Wentao, QIAN Yongkang, HUI Junhong. Analysis of influencing factors of natural gas turbulent diffusion flame length in industrial combustion chamber [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 267-275. |
[7] | CUI Shoucheng, XU Hongbo, PENG Nan. Simulation analysis of two MOFs materials for O2/He adsorption separation [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 382-390. |
[8] | WANG Zhengkun, LI Sifang. Green synthesis of gemini surfactant decyne diol [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 400-410. |
[9] | XU Ruosi, TAN Wei. Flow field simulation and fluid-structure coupling analysis of C-tube pool boiling two-phase flow model [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 47-55. |
[10] | ZHANG Fengqi, CUI Chengdong, BAO Xuewei, ZHU Weixuan, DONG Hongguang. Design and evaluation of sweetening process with amine solution absorption and multiple desorption [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 518-528. |
[11] | GUO Qiang, ZHAO Wenkai, XIAO Yonghou. Numerical simulation of enhancing fluid perturbation to improve separation of dimethyl sulfide/nitrogen via pressure swing adsorption [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 64-72. |
[12] | SHAO Boshi, TAN Hongbo. Simulation on the enhancement of cryogenic removal of volatile organic compounds by sawtooth plate [J]. Chemical Industry and Engineering Progress, 2023, 42(S1): 84-93. |
[13] | XU Youhao, WANG Wei, LU Bona, XU Hui, HE Mingyuan. China’s oil refining innovation: MIP development strategy and enlightenment [J]. Chemical Industry and Engineering Progress, 2023, 42(9): 4465-4470. |
[14] | LI Chunli, HAN Xiaoguang, LIU Jiapeng, WANG Yatao, WANG Chenxi, WANG Honghai, PENG Sheng. Research progress of liquid distributors in packed columns [J]. Chemical Industry and Engineering Progress, 2023, 42(9): 4479-4495. |
[15] | CHEN Lin, XU Peiyuan, ZHANG Xiaohui, CHEN Jie, XU Zhenjun, CHEN Jiaxiang, MI Xiaoguang, FENG Yongchang, MEI Deqing. Investigation on the LNG mixed refrigerant flow and heat transfer characteristics in coil-wounded heat exchanger (CWHE) system [J]. Chemical Industry and Engineering Progress, 2023, 42(9): 4496-4503. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||
京ICP备12046843号-2;京公网安备 11010102001994号 Copyright © Chemical Industry and Engineering Progress, All Rights Reserved. E-mail: hgjz@cip.com.cn Powered by Beijing Magtech Co. Ltd |