On Energy Saving and Environmental Protection Technology of Heating Boiler
With the development of the times and social progress, the demand for energy is increasing year by year. As an important material basis, energy plays a very important role in economic development. With the improvement of people's living standard and the improvement of residential conditions, the demand for heat energy is also increasing day by day. In the process of modern economic development, the heating industry as an important part of more and more people's attention, because it consumes huge energy, so it is necessary to do energy saving and environmental protection. The article has conducted in-depth and meticulous analysis and discussion, with a view to providing relevant reference for some people and reference.
Heating systems and boilers account for a large percentage of energy consumption systems and their annual coal consumption is huge. As one of China's major energy sources, coal plays a decisive role in the energy structure. Therefore, in order to achieve sustainable development, to achieve energy saving and emission reduction, and to ease the imbalance between energy supply and demand, we must start with reducing the heat loss of heating systems and boilers. Energy saving is a systematic and comprehensive project, and the energy-saving measures of boiler combustion are related to many factors. However, we are concerned about and studied the issue of ensuring the integrity of the system under the premise of a reasonable choice of energy-saving measures and strengthen routine maintenance.
1, the selection of equipment should pay attention to the problem
1.1 Selection of energy-saving boiler
In the selection of media, should be based on the corresponding use to choose the preferred hot water, rather than steam. Compared to superheated steam, the use of saturated steam is more energy efficient and safe. For the heat medium and heat load parameters, there are certain requirements, first of all to calculate the heat load of the enterprise, and then determine the capacity and number of boilers, boiler should also be in the long-term low-load operation. At present, the state attaches great importance to energy saving and environmental protection, and also has specific requirements on energy-saving products. When choosing a boiler, it should not be lower than the national standard and pay attention to the quality of products. The characteristics of local coal, the same is the choice of the boiler must be considered. Adaptability to fuel varieties is strong enough to achieve effective combustion. In order to avoid the cost increase caused by long-distance transportation, coal should be selected nearby. On the basis of meeting the requirements of use, low-quality coal should be rationally selected from the viewpoint of improving economy. Different boiler installation areas, there must be different requirements for environmental protection, some areas require high, some areas require lower. The dust emission concentration of pulverized coal boilers and circulating fluidized boilers are not suitable for installation in the scenic area and urban areas. In addition, if the boiler is in the form of steam heating, you need to work out a reasonable working pressure indicator, the specific needs of production based on actual, process and pipeline layout to determine, to avoid the phenomenon of under or over pressure.
1.2 using computer control technology
The computer control technology is applied to the heating system, which realizes the record and digital display of various operating parameters of the boiler, and can precisely control the combustion system and the water supply system for the purpose of energy saving. Small boilers need to be equipped with thermal instrumentation, and computer control systems should be equipped with boilers with evaporation of more than 10 t / h. The application of computer control technology provides accurate and detailed energy consumption basis and output basis for the assessment of boiler operation, which effectively improves the accuracy and efficiency of assessment and statistics. With the development of economy and the extensive application of science and technology, the range of application of computer technology is gradually expanding, and the depth of its application is deepening day by day. However, the application in the boiler control system shows its unique advantages. For saving coal resources and To ensure the safe operation of the boiler plays an important role.
1.3 to take uniform and stratified coal technology
The energy saving effect of adopting this kind of technology is very remarkable. Significant improvements have been made in the combustion conditions. Coal with lower calorific value and lower volatility can also be applied to ordinary boilers, thus greatly reducing the cost of coal combustion. At the same time, the ventilation conditions were significantly improved, exhaust heat loss reduced, exhaust emissions decreased. Leakage of coal reduced significantly, reducing the carbon content of carbon residue, mechanical heat loss significantly reduced incomplete combustion, thus greatly improving the thermal efficiency of the boiler. In addition, the use of uniform and stratified coal feeding technology also reduces the amount of soot and boiler fly ash and increases boiler output.
2, factors affecting the energy-saving environmental protection boiler
2.1 strictly control the temperature of the exhaust heat boiler
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