煤炭洗选企业清洁生产评价研究

发布时间：2018-05-25 10:49

本文选题：清洁生产 + 煤炭洗选　；参考：《山东科技大学》2017年硕士论文

【摘要】：我国是煤炭生产与消耗大国,煤炭通洗选能提高煤炭资源利用率,是实现节约能源、保护环境的有效途径。清洁生产是一种环境友好型的生产模式,是当前煤炭洗选发展的趋势。本文根据清洁生产的要求,建立了煤炭洗选企业清洁生产水平评价体系、评价标准与评价模型,以促进煤炭洗选企业的清洁生产,合理利用资源、保护环境实现煤炭行业的可持续发展。根据清洁生产“节约能源、降低消耗、减少污染、增加效益”的基本思想,借鉴国家环保部发布的《煤炭采选行业清洁生产标准》,结合相关环境要求以及国内外行业发展情况,建立了煤炭洗选清洁生产评价指标体系。根据各指标的特点及本身属性,采用改进层次分析法确定主观权重,采用熵权法对主观权重进行修正,得到综合权重值。选用改进的模糊综合评价方法建立评价模型,在原来专家打分法的基础上,引入灰色系统理论中的中心点白化权函数来定性指标的隶属度;引入有效度与置信度对最大隶属度原则进行改进,使得到的评价结果更具有说服力。以山东省某煤矿重介质洗煤厂作为研究对象,调研其2016年各指标对应值,根据相关规范要求、各种统计数据以及行业内发展水平确定了对应指标标准值,应用清洁生产水平评价模型得到各指标的隶属度值及模糊评价结果。应用改进的最大隶属度原则,得到该企业所处的清洁生产水平等级,对评价结果进行分析,发现清洁生产的薄弱环节并提出改进意见,为企业今后更好的实施清洁生产提供参考与依据。
[Abstract]:China is a big country in coal production and consumption. Coal washing and washing can improve the utilization ratio of coal resources and is an effective way to save energy and protect the environment. Cleaner production is a kind of environment-friendly production mode, which is the development trend of coal washing. According to the requirements of cleaner production, the evaluation system, evaluation standard and evaluation model of cleaner production level in coal washing and sorting enterprises are established in this paper, in order to promote cleaner production and make rational use of resources in coal washing and sorting enterprises. Protect the environment and realize the sustainable development of coal industry. According to the basic idea of "saving energy, reducing consumption, reducing pollution and increasing benefit", the Cleaner production Standard of Coal Mining and sorting Industry issued by the Ministry of Environmental Protection of China is used for reference, combined with the relevant environmental requirements and the development of domestic and foreign industries. The evaluation index system of clean production for coal washing was established. According to the characteristics of each index and its own attributes, the subjective weight is determined by the improved Analytic hierarchy process (AHP), and the subjective weight is modified by the entropy weight method, and the comprehensive weight value is obtained. The improved fuzzy comprehensive evaluation method is used to establish the evaluation model. On the basis of the original expert scoring method, the whitening weight function of the center point in the grey system theory is introduced to determine the membership degree of the qualitative index. The principle of maximum membership degree is improved by introducing the degree of effectiveness and confidence, which makes the evaluation results more convincing. Taking a coal mine heavy medium washing plant in Shandong province as the research object, the corresponding values of each index in 2016 are investigated. According to the requirements of relevant norms, various statistical data and the level of development of the industry, the corresponding standard values of the indicators are determined. The membership value and fuzzy evaluation result of each index were obtained by using cleaner production level evaluation model. By applying the principle of maximum membership degree of improvement, the level of cleaner production in this enterprise is obtained, the evaluation results are analyzed, the weak links of cleaner production are found, and some suggestions for improvement are put forward. For the enterprise in the future better implementation of cleaner production to provide reference and basis.
【学位授予单位】：山东科技大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TD94

【参考文献】