introduction

Building a good energy management system for industrial enterprises is the basis for the healthy development of enterprises, which can help break the technical barriers, institutional barriers and market barriers between energy subsystems within enterprises or in parks, promote the comprehensive optimization of energy for enterprises, ensure production safety, and promote enterprises to reduce energy costs, improve energy efficiency, and create economic and social value for green production.

1. Current situation of energy management in industrial enterprises

Under the current situation of energy supply shortage, enterprise energy management belongs to the auxiliary function module of the enterprise, and the primary responsibility is to ensure the normal production of energy and power required by the enterprise. As the public awareness of energy conservation continues to strengthen, the competent authorities of the government continue to strengthen the energy conservation and emission reduction supervision, enterprise energy management has emerged some new market-oriented directions, such as carbon emission market, direct trading of electricity, green manufacturing system construction. However, the following problems still exist in enterprise energy management.

1.1 Insufficient allocation of full-time energy management personnel

Enterprise energy management should be completed by professional technical engineers, but general enterprise energy management professionals are few. The energy conservation management measures for key energy-using units stipulate that key energy-using units should set up energy management positions, but in fact, some companies' energy management work is part-time, and this phenomenon is more common in other energy-using units. Even if they are full-time energy managers, they may work part-time in statistics, metering, auditing and equipment management.

1.2 Energy metering instruments need to be improved

The Regulations of Shanghai Municipality on Energy Conservation stipulate that energy-using units shall establish an energy metering management system, equip and use energy metering instruments that have been verified and qualified according to law in accordance with regulations, strengthen the administration of energy metering instruments and make regular verification in accordance with regulations. However, due to the lack of systematic energy metering knowledge training or professional management experience, there are some problems in the equipment and calibration of energy metering instruments in enterprises. In general, the collection of enterprise energy data adopts the way of manual meter reading. The effective transmission of data, timely analysis and energy cost accounting need to be further improved.

1.3 Development trend of energy management

According to the energy management ideas of the competent departments of the government, mainly from the past planning management mode, gradually developed to strengthen the way of supervision. Energy use unit level, according to the different focus of the work, can be roughly divided into indicators completion type, statistical analysis type, energy-saving technology transformation type, intelligent management, integrated sharing management and other different stages. The same enterprise may be in a development stage of energy management in different periods, and different enterprises may also be in different stages in the same period. Energy management development stage.

1) Index completion type

In the period of planned economy, the energy management of enterprises has a distinct color of planned indicators. The higher units shall decompose the total amount step by step, and the lower units shall arrange production according to the energy index plan. The main reason was the shortage of domestic energy supply. At present, the summer kurtosis in some areas still has the color of indicator plan.

2) Statistical analysis

With the development of market economy and the deepening reform of enterprise management, enterprises began to gradually pay attention to the relationship between energy consumption and products, output, production organization and arrangement, and the government also gradually established an energy statistical system. On the basis of statistics, enterprises also studied the law of energy consumption and rationally arranged production. On the one hand, energy supply was guaranteed, energy waste was reduced and energy consumption cost was reduced. However, statistical analysis in this period was mostly based on manual ledger, and only a few key energy consumption units established energy measurement data collection platforms.

3) energy-saving technical transformation

With the improvement of the awareness of energy conservation in the whole society and the production technology level of enterprises, the competent government departments continue to strengthen the management of energy conservation in enterprises, and the enterprises continue to promote energy conservation technology, such as equipment conversion transformation, waste heat reuse, distributed photovoltaic and so on. Some provinces and cities promote carbon emission trading to vigorously promote enterprises' energy-saving technological transformation, but energy-saving technological transformation, statistical analysis and index completion have different degrees of planned economy.

4) Intelligent management

The continuous development of computer information technology promotes the intelligent process of energy management. Automatic control technology, equipment power facilities based on a certain control logic to achieve automatic and intelligent control, from single equipment control to multi-equipment systematic joint control, thus reducing the workload of field operators, and through advanced management to achieve energy-saving operation.

5) Integrated sharing management

With the rapid development of mobile communication technology and the improvement of emerging industries such as big data technology, cloud computing and Internet of Things technology, energy management has also changed from intelligent to intelligent [4]. In other words, intelligent technology is used to carry out systematic integration, data sharing and comprehensive services for energy suppliers, formula suppliers and users. Through intelligent sensing equipment to make energy consumption transparent, data online analysis, remote diagnosis, through big data technology to optimize equipment operating parameters, find energy saving potential, and real-time feedback implementation.

2. Bidirectional support energy management model based on big data technology

Energy management in industrial enterprises mainly involves energy supply, efficient use of energy, energy saving and carbon emission management. Enterprise energy management generally has the following goals: to ensure the normal supply of energy, ensure production safety; Improving energy efficiency in the process of energy processing, conversion and utilization; Reduce energy waste and save energy by means of technological transformation and organizational optimization; We will strengthen control over emissions of CO2 and other greenhouse gases, and promote legal compliance of carbon emissions by enterprises through market-based trading to protect the ecological environment. Management means and technical means are two - way support to achieve energy management objectives. Among them, management means to use systematic management and control methods, take KPI as the guide, strengthen the achievement of goals, promote the organization staff to work efficiently, identify energy-saving opportunities, and constantly improve energy performance. Systematization is the key to play a role in the healthy operation of enterprises. Technical means refer to the realization of big data and transparency of energy management and finally the realization of value based on the rapidly developing intelligent, automation and data technologies. Among them, the development of solar energy, wind energy, geothermal energy and other new energy alternative technologies is also an important part of the technical means. Whether it is systematic management means or technical means, the most important foundation that can play a role is big data. The realization of energy big data is inseparable from the rapid development of the Internet of Things, cloud computing and information and communication technology. The quantitative acquisition of energy or related variables affecting energy consumption requires intelligent sensor equipment; Cloud computing technology is the guarantee of big data storage, consumption benchmark confirmation, consumption forecast and other functions of energy consumption. The development of information communication technology is indispensable to the timely diagnosis of energy consumption and the high-speed transmission and display of data. Two-way support energy management model.

3. Conclusion

With the rapid development of economy and society, modern society is becoming more and more interconnected, open and low-carbon. On the one hand, enterprises will continue to strengthen their awareness of independent emission reduction, and the competent authorities will increasingly strengthen the supervision of energy-saving production. In order to meet the requirements of social development for energy conservation and emission reduction, and further reduce the cost of energy consumption, the energy management of enterprises will continue to tend to be intelligent, integrated and shared. The establishment of a perfect management system and the strengthening of the research and application of new technologies provide the possibility for energy efficiency and cost reduction in the new era.

Note: The article comes from "Shanghai Energy Saving", the author is Gao Qian. If there is any infringement, please contact to delete.