河北省玻璃行業(yè)大氣污染防治技術(shù)評(píng)估方法及應(yīng)用研究
[Abstract]:Glass is the basic raw material for the production and life of Chinese residents, and its production and manufacture is especially important. As a large country of glass building materials consumption, China's glass output ranks among the top in the world, and Hebei's glass output accounts for about 25 percent of the country's total output. At the same time, according to the requirements of the glass production process, the raw materials containing sulfur and nitrogen need to be melted at high temperature in the furnace, and a large amount of pollutants such as smoke dust, sulfur dioxide and nitrogen oxides will be produced in its production process. Therefore, the industry has been listed as one of the important industries to control air pollution. Hebei Province is a big producer of glass industry. The application of pollution control technology in regional glass industry is also varied, and the effects of each technology are also uneven. How to scientifically and effectively select the best technology for preventing and controlling air pollution is an urgent problem for glass industry. Therefore, this study mainly through the investigation of representative glass enterprises in Hebei Province, set up a suitable glass industry evaluation index system, using AHP to determine the weight of each index, using fuzzy comprehensive evaluation method to screen out the best feasible technology in the industry. The specific research results are as follows: (1) through expert consultation and enterprise investigation, three evaluation index systems of dedusting, desulphurization, denitrification and denitrification in glass industry are constructed. The index system mainly includes technical performance index, economic cost index, and so on. There are 16 indexes of dust removal index system, 17 indexes of desulphurization index system and 15 indexes of denitrification index system. (2) the weight of each index in the index system of dedusting, desulphurization and denitrification is determined by using the analytic hierarchy process. The order of the weight of the index is: the environmental effect index, the technical performance index, the economic cost index. Among them, the weight of the dust removal index is 0.534U 0.250m 0.216, the desulfurization index is 0.6100.236U 0.154, and the denitrification index is 0.592U 0.2070.201; (3) the index content data is summarized on the basis of the on-the-spot investigation and data reference of the enterprise, and the membership function of each index is established by using the method of fuzzy comprehensive evaluation, and each index is quantified. The optimum technology of dust removal, desulfurization and denitrification was screened out, in which high temperature electrostatic dust removal technology was the best, double alkali technology was the best technology, and SCR (selective catalytic reduction) technology was the best technology. At the same time, suggestions for technical improvement such as bag dust removal technology, limestone gypsum desulphurization technology and SNCR (non-selective catalytic reduction) technology are put forward.
【學(xué)位授予單位】:河北大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:X82
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