面向产能优化的地下金属矿山安全保障条件评价研究

doi:10.11872/j.issn.1005-2518.2020.05.052

Abstract

Abstract:

Mineral resources are an important pillar of China’s development.Industries based on mineral resources occupy half of the national economic development.However，with the long-term exploitation of mineral resources in China，many mines have encountered various production and safety issues.Poor resource conditions，aging production equipment，poor management capabilities，and many safety accidents have brought problems to the development of China’s mines and have become a huge hidden danger.In recent years，with the rising demand for healthy and safe mine environment in China’s mines，the relationship between safety guarantee conditions and the production capacity of mines has become closer and closer.The optimization of mine safety guarantee conditions and the scientific and rational formulation of production capacity targets becomes particularly important.Based on the characteristics of the production capacity of underground metal mines，this paper establishes the “human，machine，material，environmental，and pipe” safety guarantee research and evaluation model of underground metal mines related to production capacity through the methods of literature survey，field investigation，and expert interviews.The calculation characteristics of the model calculation process were designed and demonstrated by comprehensively utilizing the calculation characteristics of entropy weight-analytic hierarchy process，accident tree and LEC method.Finally，taking an underground lead-zinc mine in China as an example，the research was conducted from three aspects，including the research on calculation and evaluation of the current safety assurance status score under the existing production capacity，evaluation and result verification of the ability to complete different production targets under current security conditions，and production capacity target formulation in the next 3 years.The evaluation results show that under the existing production conditions，if the mine want to rapidly improve the safety guarantee conditions，it is necessary to prioritize the reduction of the number of underground operators，reduce the violation rate of the operators，reduce the length of underground operations，optimize the conditions of underground mining，and rationally optimize the mining structure，and so on；The mine’s optimal production targets from 2020 to 2022 should be located at about 138 000 t/a，137 000 t/a，and 133 000 t/a，respectively.The comparison between the evaluation results and the facts proves that the evaluation results are consistent with the actual situation of the mine and can provide reference and guidance significance for the actual production of the mine.Therefore，the evaluation method can provide an effective basis and direction for mine capacity optimization，self-evaluation and improvement of safety guarantee capabilities.

Key words: underground metal mine, capacity, analytic hierarchy process, entropy weight method, safety guarantee, index system, degree of safety

CLC Number:

TD73

Meng WANG, Xiuzhi SHI, Shu ZHANG. Evaluation Research on Safety Guarantee Conditions of Underground Metal Mines Oriented to Optimizing Production Capacity[J].Gold Science and Technology, 2020, 28(5): 753-760.

Figures/Tables 7

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n	RI	n	RI
1	0	6	1.24
2	0	7	1.32
3	0.58	8	1.41
4	0.9	9	1.45
5	1.12

指标	得分区间	指标	得分区间	指标	得分区间	指标	得分区间
C1	（0-17]	C11	（0-28]	B10	（0-10]	C26	（0-20]
C2	（0-47]	C12	（0-25]	B11	（0-10]	C27	（0-28]
C3	（0-10]	C13	（0-10]	B12	（0-10]	C28	（0-30]
C4	（0-10]	C14	（0-10]	B13	（0-10]	B16	（0-10]
B3	（0-36]	C15	（0-10]	B14	（0-10]	B17	（0-10]
C5	（0-31]	C16	（0-10]	B15	（0-10]	B18	（0-10]
C6	（0-69]	C17	（0-10]	C21	（0-24]	B19	（0-10]
C7	（0-10]	C18	（0-10]	C22	（0-32]	B21	（0-10]
C8	（0-15]	C19	（0-10]	C23	（0-26]
C9	（0-8]	C20	（0-10]	C24	（0-18]
C10	（0-14]	B9	（0-10]	C25	（0-22]

指标	得分	熵	联合权重	指标	得分	熵	联合权重
B1	-	-	0.4003	C1	9.6	0.4868	0.2558
B2	-	-	0.5997	C2	29.4	0.5132	0.7442
B3	19.8	-	0.6055	C3	7.1	0.4697	0.5434
B4	-	-	0.3945	C4	9.1	0.5303	0.4566
B5	-	-	0.1929	C5	21.5	0.5000	0.3119
B6	-	-	0.312	C6	48.9	0.5000	0.6881
B7	-	-	0.2139	C7	10	0.1578	0.2945
B8	-	-	0.2813	C8	15	0.1702	0.154
B9	10	0.1385	0.1588	C9	7.1	0.1648	0.2402
B10	9.2	0.1487	0.1231	C10	14	0.1713	0.1395
B11	10	0.1394	0.1462	C11	26	0.1684	0.0755
B12	10	0.1453	0.1706	C12	25	0.1675	0.0963
B13	1.2	0.1512	0.1054	C13	9	0.2471	0.2355
B14	6	0.1393	0.1481	C14	8.2	0.2486	0.3569
B15	5	0.1376	0.1476	C15	10	0.2509	0.2214
B16	10	-	0.2561	C16	10	0.2534	0.1862
B17	8.8	-	0.1828	C17	10	0.5272	0.3581
B18	9	-	0.1155	C18	7.9	0.4728	0.6419
B19	8.8	-	0.142	C19	9.7	0.5272	0.5205
B20	-	-	0.0691	C20	8.4	0.4728	0.4795
B21	7	-	0.168	C21	22.3	-	0.2408
B22	-	-	0.0664	C22	28.3	-	0.321
				C23	17.2	-	0.2574
				C24	11.4	-	0.1809
				C25	22	-	0.2216
				C26	19.2	-	0.1967
				C27	26.2	-	0.2791
				C28	30	-	0.3026

Evaluation Research on Safety Guarantee Conditions of Underground Metal Mines Oriented to Optimizing Production Capacity

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