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Gold Science and Technology ›› 2018, Vol. 26 ›› Issue (5): 635-646.doi: 10.11872/j.issn.1005-2518.2018.05.635

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Cleaner Production Assessments of Zinc Smelting Enterprise Based on Game Theory and Fuzzy Comprehensive Evaluation

Huan LI1(),Junhua MING1,Xiaofeng SHI2   

  1. 1 School of Resources and Safety Engineering,Central South University,Changsha 410083,Hunan, China
    2 Hubei Shashi Middle School,Jingzhou 434000,Hubei, China
  • Received:2018-07-18 Revised:2018-09-29 Online:2018-10-20 Published:2018-10-31

Abstract:

In order to promote cleaner production and promote the sustainable development of zinc smelting enterprises,the evaluation model based on game theory and fuzzy comprehensive evaluation was put forward on the basis of smelting process and mathematical method.Firstly,the weight values were calculated by the analytic hierarchy process and entropy weight method.Secondly, the final weight was determined by the game theory. Finally,the fuzzy comprehensive evaluation method was used to get the evaluation results.The results of the application examples showed that the cleaner production level of the enterprise is in the second level,which has great potential for cleaner production,among the six first level indicators in the index system,two indicators are in third levels,three indicators are in second grades, and one indicator is in the first level.And the evaluation model based on game theory and fuzzy comprehensive evaluation had a strong applicability in the cleaner production evaluation of zinc smelting enterprises and it would effectively promote the development of cleaner production.

Key words: zinc smelting enterprise, cleaner production assessments, game theory, combined weight, fuzzy comprehensive evaluation

CLC Number: 

  • TQ450

Fig. 1

Comprehensive evaluation flowchart of game"

Fig. 2

Evaluation index system of cleaner production in zinc smelting industry "

Table 1

Judgment matrix and weights of target layer"

A B 1 B 2 B 3 B 4 B 5 B 6 W i
B 1 1 2 2 6 2 3 0.3231
B 2 1/2 1 1 4 2 2 0.1996
B 3 1/2 1 1 4 2 2 0.1996
B 4 1/6 1/4 1/4 1 1/3 1/2 0.0484
B 5 1/2 1/2 1/2 3 1 2 0.1364
B 6 1/3 1/2 1/2 2 1/2 1 0.0930

Table 2

Judgment matrix and weights of production process and device index "

B 1 B 11 B 12 B 13 B 14 W i
B 11 1 1 2 2 0.3334
B 12 1 1 2 2 0.3334
B 13 1/2 1/2 1 1 0.1666
B 14 1/2 1/2 1 1 0.1666

Table 3

Judgment matrix and weights of resource"

B 2 B 21 B 22 B 23 B 24 W i
B 21 1 1 1/2 1/2 0.1666
B 22 1 1 1/2 1/2 0.1666
B 23 2 2 1 1 0.3334
B 24 2 2 1 1 0.3334

Table 4

Judgment matrix and weights of resource"

B 3 B 31 B 32 B 33 B 34 B 35 W i
B 31 1 3 2 3 1 0.3133
B 32 1/3 1 1/2 1 1/3 0.0986
B 33 1/2 2 1 2 1/2 0.1763
B 34 1/3 1 1/2 1 1/3 0.0986
B 35 1 3 2 3 1 0.3133

Table 5

Judgment matrix and weights of product"

B 4 B 41 B 42 W i
B 41 1 1 0.5000
B 42 1 1 0.5000

Table 6

Judgment matrix and weights of pollutant generation and emission index "

B 5 B 51 B 52 B 53 B 54 W i
B 51 1 4 4 1 0.4000
B 52 1/4 1 1 1/4 0.1000
B 53 1/4 1 1 1/4 0.1000
B 54 1 4 4 1 0.4000

Table 7

Judgment matrix and weights of cleaner production management index "

B 6 B 61 B 62 B 63 B 64 B 65 B 66 B 67 B 68 B 69 W i
B 61 1 1/2 1 1 1 1 1 1 1 0.1000
B 62 2 1 2 2 2 2 2 2 2 0.2000
B 63 1 1/2 1 1 1 1 1 1 1 0.1000
B 64 1 1/2 1 1 1 1 1 1 1 0.1000
B 65 1 1/2 1 1 1 1 1 1 1 0.1000
B 66 1 1/2 1 1 1 1 1 1 1 0.1000
B 67 1 1/2 1 1 1 1 1 1 1 0.1000
B 68 1 1/2 1 1 1 1 1 1 1 0.1000
B 69 1 1/2 1 1 1 1 1 1 1 0.1000

Table 8

Weights value of cleaner production potential assessment index in zinc smelting industry "

序号 一级指标 一级指标权重 二级指标 二级指标权重
1 生产工艺与装置要求 0.3231 冶炼工艺 0.3334
2 阴极板 0.3334
3 物流运输系统 0.1666
4 自动控制系统 0.1666
5 资源能源消耗指标 0.1996 电锌电流效率 0.1666
6 单位产品新鲜水用量 0.1666
7 电锌直流电耗 0.3334
8 电锌单位产品综合能耗(折标煤) 0.3334
9 资源综合利用指标 0.1996 工业用水循环利用率 0.3133
10 镉利用率 0.0986
11 总硫利用率 0.1763
12 有价元素利用率 0.0986
13 锌总回收率 0.3133
14 产品指标 0.0484 安全性 0.5000
15 锌产品成分限制要求 0.5000
16 污染物产生与排放指标 0.1364 废水产生量 0.4000
17 排空烟尘固体物含量 0.1000
18 允许废渣排放量 0.1000
19 单位产品二氧化硫产生量 0.4000
20 清洁生产管理指标 0.0930 环境法律法规标准 0.1000
21 产业政策执行情况 0.2000
22 环境应急预案 0.1000
23 组织机构 0.1000
24 危险化学品管理 0.1000
25 环境审核 0.1000
26 生产过程管理 0.1000
27 污染物排放监测 0.1000
28 环境管理制度 0.1000

Table 9

Expert scoring table of qualitative indicators"

定性指标编号 专家编号 平均值
1 2 3 4 5 6 7 8 9 10
B 11 80 100 80 100 90 100 90 100 100 100 94
B 13 30 30 30 30 30 30 30 30 30 30 30
B 14 30 30 30 30 30 30 30 30 30 30 30
B 41 100 90 80 85 95 100 100 100 80 90 92
B 61 100 100 100 100 100 100 100 100 100 100 100
B 62 80 70 75 60 85 70 70 60 65 60 70.5
B 63 20 30 30 15 30 30 30 30 15 20 25
B 64 70 80 65 85 70 60 65 75 80 60 71
B 65 60 60 60 70 65 50 50 50 55 60 58
B 66 50 60 70 70 60 60 60 60 60 60 61
B 67 30 30 20 10 10 30 20 20 20 30 22
B 68 0 0 10 5 10 5 10 5 5 0 5
B 69 0 0 0 5 0 5 0 0 5 0 1.5

Table 10

Evaluation Indicator Data Sheet"

定量指标编号 单位 国际先进水平 国内先进水平 国内一般水平 企业实际水平
B 11 - 100 70 30 94
B 12 m 2 3.2 2.6 2.0 2.2
B 13 - 100 70 30 30
B 14 - 100 70 30 30
B 21 - 90% 89% 88% 90%
B 22 t/tZn 10 15 20 31.33
B 23 kW*h/t 350 400 450 380
B 24 kgce/t 700 800 900 780
B 31 - 95% 85% 75% 90%
B 32 - 90% 80% 70% 76%
B 33 - 98% 97% 96% 0
B 34 - 80% 75% 70% 73%
B 35 - 97% 96.5% 96% 96.45%
B 41 - 100 70 30 92
B 42 - 99.995% 99.99% 99.95% 99.998%
B 51 t/t 2.5 5 7.5 4
B 52 mg/ m 3 50 100 150 5.3
B 53 t/tZn 0.5 0.7 1.0 1.2
B 54 kg/t 8 10 20 15
B 61 - 100 70 30 100
B 62 - 100 70 30 70.5
B 63 - 100 70 30 25
B 64 - 100 70 30 71
B 65 - 100 70 30 58
B 66 - 100 70 30 61
B 67 - 100 70 30 22
B 68 - 100 70 30 5
B 69 - 100 70 30 1.5

Table 11

Calculation data of information entropy( H i ),difference coefficient( g i )and entropy weight( W i ) "

指标编号 H i g i W i 指标编号 H i g i W i
B 11 0.9572 0.0428 0.1542 B 42 0.9771 0.0229 0.1477
B 12 0.9545 0.0455 0.1765 B 51 0.9791 0.0209 0.1613
B 13 0.9476 0.0524 0.1795 B 52 0.9773 0.0227 0.1657
B 14 0.9476 0.0524 0.1795 B 53 0.9759 0.0241 0.2143
B 21 0.9750 0.0250 0.1538 B 54 0.9767 0.0233 0.1600
B 22 0.9790 0.0210 0.2402 B 61 0.9909 0.0091 0.1522
B 23 0.9791 0.0209 0.1613 B 62 0.9899 0.0101 0.1626
B 24 0.9796 0.0204 0.1639 B 63 0.9910 0.0090 0.1882
B 31 0.9787 0.0213 0.1600 B 64 0.9898 0.0102 0.1624
B 32 0.9776 0.0224 0.1724 B 65 0.9899 0.0101 0.1675
B 33 0.9754 0.0246 0.2840 B 66 0.9893 0.0107 0.1663
B 34 0.9776 0.0224 0.1724 B 67 0.9906 0.0094 0.1928
B 35 0.9793 0.0207 0.1681 B 68 0.9908 0.0092 0.2124
B 41 0.9776 0.0224 0.1549 B 69 0.9892 0.0108 0.2154

Table 12

Weight value of cleaner production potential assessment index and cleaner production assessment index in zinc smelting industry "

序号 一级指标 一级指标权重 二级指标 二级指标权重
1 生产工艺与装置要求 0.3132/0.3203 冶炼工艺 0.2216/0.3033
2 阴极板 0.2356/0.3071
3 物流运输系统 0.2714/0.1948
4 自动控制系统 0.2714/0.1948
5 资源能源消耗指标 0.1414/0.1835 电锌电流效率 0.2863/0.1922
6 单位产品新鲜水用量 0.2406/0.1825
7 电锌直流电耗 0.2393/0.3132
8 电锌单位产品综合能耗(折标煤) 0.2337/0.3120
9 资源综合利用指标 0.1807/0.1944 工业用水循环利用率 0.1911/0.2818
10 镉利用率 0.2014/0.1250
11 总硫利用率 0.2206/0.1877
12 有价元素利用率 0.2014/0.1250
13 锌总回收率 0.1855/0.2804
14 产品指标 0.0735/0.0553 安全性 0.4939/0.4978
15 锌产品成分限制要求 0.5061/0.5022
16 污染物产生与排放指标 0.1475/0.1394 废水产生量 0.2295/0.3505
17 排空烟尘固体物含量 0.2493/0.1434
18 允许废渣排放量 0.2652/0.1479
19 单位产品二氧化硫产生量 0.2560/0.3582
20 清洁生产管理指标 0.1437/0.1070 环境法律法规标准 0.1027/0.1011
21 产业政策执行情况 0.1140/0.1682
22 环境应急预案 0.1016/0.1006
23 组织机构 0.1151/0.1055
24 危险化学品管理 0.1140/0.1052
25 环境审核 0.1208/0.1078
26 生产过程管理 0.1061/0.1021
27 污染物排放监测 0.1038/0.1014
28 环境管理制度 0.1219/0.1081
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