面向高耗能企业铝加工过程的节能减碳潜力评价及画像研究

doi:10.3969/j.issn.2097-0706.2024.08.001

摘要/Abstract

摘要：

为引导高耗能企业实施可持续发展战略，促进碳减排和能源效率提升，以高耗能企业中铝加工过程为例，考虑能效、碳排放和环境多维指标，建立节能减碳评价指标体系，以确保评估的全面性和准确性。运用层次分析法对铝加工过程中的各加工工段的效能、碳排放水平和环境影响进行评估。在评估过程中，结合具体企业案例，对其各加工工段的节能减碳潜力情况进行详细分析，并对节能减碳评价指标体系进行了敏感性分析，确保建立的节能减碳潜力评价指标体系的普适性。结果表明：铝加工企业可以从熔铸工段开始，提升其节能减碳能力。通过用户画像分析，提出优化生产过程等建议，减少能源消耗和环境污染，实现可持续发展目标。

关键词: 高耗能企业, 铝加工过程, 节能减碳潜力, 层次分析法, 用户画像

Abstract:

To realize the sustainable development of high-energy-consuming enterprises， and promote carbon emission reduction and energy efficiency， an energy-saving and carbon-reduction evaluation index system for aluminum processing is established. The system takes energy efficiency， carbon emission and environment indicators into considerations， so as to ensure the comprehensiveness and accuracy of the evaluation. The analytic hierarchy process is used to evaluate the efficiency， carbon emission level and environmental impact of each processing section in aluminum processing. In a case study， the energy-saving and carbon-reduction potential of each processing section was evaluated， and the sensitivity analysis on the energy-saving and carbon-reduction evaluation index system was carried out to ensure the universality of the established index system. The results show that aluminum processing enterprises can improve their energy-saving and carbon-reduction capabilities from updating the casting process. Based on user profiling， optimizing suggestions for production process are proposed to reduce energy consumption and environmental pollutants，achieving sustainable development goals.

Key words: high-energy-consuming enterprise, aluminum processing, energy saving and carbon reduction potential, analytic hierarchy process, user profile

中图分类号:

TK09

罗玉伶, 彭道刚, 赵慧荣, 渠博岗. 面向高耗能企业铝加工过程的节能减碳潜力评价及画像研究[J]. 综合智慧能源, 2024, 46(8): 1-11.

LUO Yuling, PENG Daogang, ZHAO Huirong, QU Bogang. Evaluation on energy-saving and carbon-reduction potential of aluminum processing in high-energy-consuming enterprises and their profiles[J]. Integrated Intelligent Energy, 2024, 46(8): 1-11.

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标度量化	含义
1	a指标与b指标一样重要
3	a指标比b指标略微重要
5	a指标比b指标明显重要
7	a指标比b指标重要很多
9	a指标比b指标重要特别多
2,4,6,8	处于2个重要程度之间

一级指标	二级指标	三级指标	指标类型
能效指标	能源消耗量	电力消耗总量	定量计算
		水消耗总量	定量计算
		天然气消耗总量	定量计算
		柴油消耗总量	定量计算
		汽油消耗总量	定量计算
		氮气消耗总量	定量计算
	单位能耗	单位产量能耗	定量计算
	单位能耗	单位工时能耗	定量计算
	能源利用率	设备利用率	定量计算
	能源利用率	热能回收利用率	定量计算
	能源结构	可再生能源占比	定量计算
碳排放指标	碳排放总量	直接碳排放总量	定量计算
	碳排放总量	间接碳排放总量	定量计算
	单位碳排放量	单位产量碳排放量	定量计算
	单位碳排放量	单位工时碳排放量	定量计算
	减排潜力	能效改进潜力	定性打分
	减排技术	节能设备使用程度	定量计算
	减排技术	低碳技术占比	定量计算
环境指标	废水排放率	生产废水排放率	定量计算
	废气排放率	氮氧化物排放率	定量计算
	废气排放率	颗粒物排放率	定量计算
	固体废弃物产生率	废渣产生率	定量计算
	固体废弃物产生率	废品产生率	定量计算
	环境影响评估	噪音影响程度	定性打分
	环境影响评估	气味影响程度	定性打分

项目	折算系数
电力/[kg·(kW·h)^-1]	0.122 9
水/(kg·t^-1)	0.257 1
天然气/(kg·m^-³)	1.100 0
汽油/(kg·kg^-1)	1.428 6
柴油/(kg·kg^-1)	1.457 1
氮气/(kg·t^-1)	0.400 0

能源种类	低位发热量/ (kJ·m^-3)	单位热值含碳量/ ( kg·kJ^-1)	燃料碳氧化率/%
天然气	38 931	15.3×10^-5	0.99
汽油	43 070	18.9×10^-5	0.98
柴油	42 652	20.2×10^-5	0.98

矩阵序号	阶数 n	权重向量	最大特征值	C_I	R_I	C_R
1	3	（0.283,0.643,0.074）^T	3.065	0.032	0.525	0.062
2	4	（0.534,0.309,0.049,0.108）^T	4.194	0.065	0.882	0.073
3	6	（0.435,0.027,0.286,0.153,0.060,0.039）^T	6.443	0.089	1.250	0.071
4	2	（0.833，0.167）^T	2.000	0	0	0
5	2	（0.125，0.875）^T	2.000	0	0	0
6	1	（1.000）^T	1.000	0	0	0
7	4	（0.576,0.291,0.081,0.052）^T	4.202	0.067	0.882	0.076
8	2	（0.250,0.750）^T	2.000	0	0	0
9	2	（0.833,0.167）^T	2.000	0	0	0
10	1	（1.000）^T	1.000	0	0	0
11	2	（0.500,0.500）^T	2.000	0	0	0
12	4	（0.205,0.637,0.113,0.045）^T	4.235	0.078	0.882	0.089
13	1	（1.000）^T	1.000	0	0	0
14	2	（0.875,0.125）^T	2.000	0	0	0
15	2	（0.500,0.500）^T	2.000	0	0	0
16	2	（0.500,0.500）^T	2.000	0	0	0