What is the prospect of thermal power plants? Is there a future for centralized control operation post?

There are many jobs in this promising major. My son is majoring in energy and power engineering, and now he works in a small power generation enterprise. Large thermal power enterprises in this professional country can't get in. There are other power generation enterprises, such as waste heat power generation enterprises of steel companies, which are short of people. There are five classes in state-owned enterprises, four classes in small enterprises, and three shifts pay 5 thousand to 8 thousand.

I am also a major in this field, with three shifts in five classes.

In 2020, China's thermal power generation will reach 4,709.59 billion kWh, accounting for 70.5% of the national electricity. Although China is vigorously increasing the installed capacity of wind power and photovoltaic, and realizing the diversification of energy generation. Under the existing technical level, the uncertainty of renewable energy generation and its impact on the power grid will also have a greater impact on the stable operation of the power system. The installed capacity is gradually increasing, but the power generated is limited, so at present, thermal power generation is mainly used in China.

On March 4, 2022, the promotion meeting for centralized commencement of key projects in the first quarter of 2022 was held in Fuxian County, Yan 'an City. Two thermal power plants under construction in Fuxian County with a total investment of more than/kloc-0.00 billion yuan are accelerating the project progress. Fuxian Power Plant Project will be based on the deep integration of industrialization and industrialization and internet plus's smart energy concept, and actively innovate in the aspects of life cycle data platform, integration of intelligent production management and control, and integration of intelligent factory management and control, so as to build an all-round smart power plant with energy conservation and low carbon.

Electricity is the most important carbon reduction industry, and coal-fired power generation is the largest energy form in China's current energy structure. Coal will produce toxic and harmful gases such as carbon dioxide, sulfur dioxide and nitrogen oxides in the combustion process, and the carbon emissions of power industry account for more than 1/3 of all carbon emissions. China promises to be "carbon neutral" by 2060, and carbon reduction is the focus of all work. Most foreign cities adopt the energy structure of "renewable energy+energy storage system", and gradually develop to zero fossil energy through technical routes such as biomass power generation and cogeneration.

Green thermal power plants need to adopt advanced and efficient new environmental protection technologies such as dust removal, desulfurization, low-nitrogen combustion, denitrification, wastewater treatment, comprehensive utilization of ash and slag, online monitoring, etc., and strictly control the concentration and total amount of pollutants discharged. Using the visualization technology of graphics software for online monitoring, you can access the 3D visualization system anytime and anywhere as long as you open the browser, which reduces the pressure on users to buy high-performance hardware, and breaks the management scene limitation of users in the monitoring room in the past, and also improves the monitoring efficiency.

Green thermal power plant

According to the fuel used in thermal power generation, there are mainly coal-fired power generation, oil-fired power generation and gas-fired power generation. The main equipment systems include fuel supply system, water supply system, steam system, cooling system, electrical system and other auxiliary process equipment. Through the graphic software, the information of the whole plant and the operation of key equipment on site can be displayed on the Web in real time, so that the factory operation and maintenance personnel can monitor the operation of fuel and steam system in real time through the visual big screen and manage it comprehensively and efficiently. The role of coal-fired power is changing, from base load power supply to peak-shaving power supply, from scale to intensification, from saving to high-quality development. The essential attribute of coal machine will also gradually transition from a single electric energy producer to an assistant to build a new energy power system, helping new energy enter the growth period and realize the smooth upgrade of the power grid.

The traditional coal conveying system in thermal power plant is mainly equipped with coal storage yard, coal feeder, 1 belt conveyor, inclined roller screen, ring hammer coarse crusher, belt conveyor No.2, ring hammer fine crusher, belt conveyor No.3, iron remover, dust collector, sampler, discharger and boiler coal bunker.

Raw coal is processed into a form suitable for modern power boilers (such as grinding coal into fine pulverized coal), and then sent to the boiler for full combustion with the help of hot air, so that the chemical energy stored in the fuel can be converted into heat energy; After absorbing heat, the water in the boiler becomes saturated steam under a certain pressure, and the saturated steam is continuously heated into superheated steam in the superheater.

Steam passes through the steam turbine, which converts heat energy into rotating power and drives the generator to output electric energy. By the 1980s, the efficiency of the best thermal power plants in the world reached 40%, that is, 40% of the thermal energy in the fuel was converted into electric energy.

The factory information panel on the left side of the big screen shows the main information of this project, including: factory information and enterprise information. Among them, business information can view the real-time dynamic trend chart of cost, income and profit. The right side shows the days of safe production and records the cumulative safe production time of the factory. Equipment operation efficiency and production information * * * Monitor the real-time operation efficiency and operation parameters of boilers and steam turbine-generator sets. The low-carbon operation of equipment can be realized by real-time data-driven regulation of equipment. Nowadays, power companies are constantly exploring new technologies to reduce carbon emissions.

China Resources Power adopts the advanced technology of "smoke tower integration", which integrates the chimney and cooling tower of thermal power plant and uses the cooling tower to discharge flue gas. The cooling tower not only has the original heat dissipation function, but also can replace the chimney to discharge the clean flue gas after desulfurization. This technology can not only achieve the standard emission of flue gas, but also achieve harmony and unity with urban landscape. According to the technical personnel of the power plant, the project adopts high-efficiency electric bag composite dust collector and builds desulfurization and denitrification facilities at the same time; After the boiler flue gas passes through the electric bag dust collector and desulfurization and denitrification facilities, the emission concentration of flue gas is controlled below 20 μ g/m3, and the emission concentration of sulfide and nitrogen oxides meets the latest national emission standards, thus minimizing the impact of enterprise production on urban air quality.

Intelligent personnel control

Low-carbon operation of power plants not only needs to start with equipment, but also needs to improve the work efficiency of personnel and reduce the accident rate. Based on UWB positioning base station or other positioning hardware, the real-time positioning visualization function of employees in the factory is realized in the three-dimensional scene, so that employees can not fish during working hours.

Electronic fence is an advanced perimeter alarm system at present. The electronic fence mainframe adopts the advanced perimeter security concept of "blocking first and then alarming", which integrates "deterrence, blocking, alarming and safety". When staff patrol near dangerous equipment, alarm distance can be set to prevent employees from entering by mistake.

Enterprises can freely set alarm types according to the production situation, such as string post, detention, overstaffed, understaffed, invasion, station overtime and other alarm types.

The behavior of employees can be further confirmed by intelligent monitoring. Graphics software can seamlessly combine various multimedia functions of HTML5, support the integration of various video resources to form a unified video stream, mark camera objects on 2D and 3D situation maps and associate their video signal sources, and retrieve corresponding surveillance videos through scene interaction.

The implementation of low-carbon technology is a complex process, and many enterprises will terminate because of the uncooperative employees. Fine personnel management can achieve twice the result with half the effort, and efficient work can assist the implementation of low-carbon technology and promote the realization of green thermal power plants.

As China's accession to the Paris Agreement shows its determination to reduce carbon emissions, the state's attitude towards thermal power plants with high carbon emissions has also changed significantly. Eliminating backward production capacity and carrying out ultra-low emission transformation have become the guidelines that the thermal power industry must follow. According to the electricity price, coal price level and local power demand and load in different regions, we will flexibly adjust our business, reduce the number of thermal power in areas with low electricity price and low power demand, eliminate backward thermal power production capacity with serious pollution and low utilization hours, and concentrate the advantages of thermal power in areas with high power demand and high peak shaving demand.