From the last news about biomass fuels analysis, we can clearly see that biomass fuel has high environmental protection and ecological effects, so it is the ideal fuel for future large-scale boilers, including thermal power plants.
However, there are still some problems in the application of biomass fuels, which hinders their further application. Based on the investigation of this paper and the related theoretical basis, the author believes that the application of biomass as fuel process towel in thermal power plants can be mainly constructed from the following aspects.
First, an effective fuel system should be formed on the basis of comprehensive utilization. In the actual application process, the fuel planning system of extracting biomass and coal forms an effective production mode. This application model can not only avoid certain cost risks in the actual production process, but also effectively reduce the emission of air pollutants and objectively reduce the cost of sewage discharge and pollution control of enterprises.
Secondly, based on technological transformation, an efficient application mode is formed. Direct combustion of biomass fuel is difficult to meet the production needs of power plant boilers. The basic reason is the insufficient calorific value and combustion efficiency of biomass fuels. On this basis, through appropriate means to change the combustion process, to avoid the above problems, and then produce good application results. From the point of view of technical means at this stage, it can be divided into the following three modes.
The first is the application of additives, which add petroleum refining by-products (such as asphalt) to the production of biomass, so as to improve the actual calorific value of biomass fuel to meet the production needs of thermal power plants; the second is the use of gasification technology to improve its combustion efficiency through pre-combustion gasification, powder injection in the furnace and other technologies, so as to generate more heat release in a unit time; The third is to carry out technical renovation of parallel connection of generating units to drive the operation of generating units by means of multi-boiler parallel connection or graded gas supply, thereby avoiding the problem that single biomass boiler can not meet the production demand.
Thirdly, on the basis of industrial chain governance, further reduce the application cost of biomass. With power plant as the core, it forms the infiltration and construction to the industrial chain of biomass upstream and downstream. Through the integration construction and intensive effect to reduce the actual cost of biomass fuels in the process of procurement, production and transportation, and through the production and sale of phosphate fertilizer, the residual value in the process of biomass combustion can be obtained, and the cost subsidy for biomass application can be objectively completed.
Through the construction and strengthening of the above two aspects, it is believed that biomass fuels can contribute a lot to the upgrading and sustainable application of thermal power plants. We will further complete the construction of ultra-low emissions in thermal power plants and achieve a new balance in the field of economy and environmental protection.
conclusion
Biomass is mainly renewable, clean and other characteristics. It has a high ecological effect in the actual application process. It may become an important clean energy in the future, so it has attracted wide attention. However, in the actual application process, it also has some adverse effects, such as low calorific value and harsh storage conditions, which make it difficult to apply directly in thermal power plants. In this paper, the characteristics of biomass energy are summarized, and the prospects and conditions of its future application in power plants are analyzed. It is hoped that this study can provide the necessary theoretical basis for the subsequent upgrading of energy conservation and emission reduction in power plants, and provide a feasible idea for the application of new energy.
Biomass power generation is under development and is not yet mature. It cost much both in investment and labor. At present, using biomass gasifier burner to provide heat energy is becoming more and more popular.
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