除尘设备发展史.doc

除尘设备发展史
班级:环境工程132班
学号:5802113047
姓名:刘娜
摘要:环境保护的问题已成为世人关注的热点话题,经济全球化的大潮和解决全球环境问题的呼声使环境与贸易的关系日益密切,国际组织制定了一系列旨在保护环境的技术标准。如何防治大气污染、洁净空气环境也是人们不断研究的课题。特别是我国的主要能源是煤炭,燃煤过程中会产生大量的煤粉尘,严重污染了大气环境。这些空气中细微煤粉尘,尤其是直径为215~6μm 的飘尘对人体健康有极大危害。它不仅会在肺部沉积,还可以直接进入血液到达人体各部位。粉尘粒子表面还会附着各种有毒物质,它一旦进入人体,就会引发各种呼吸系统疾病,危害将更大。因此,控制粉尘尤其是直径为215~6μm的细微粉尘的排放,是我国治理大气污染、洁净空气环境的重要举措。此外,电子、精密仪器加工等行业对空气中含尘量的要求更高,%以上,这对高效除尘及超高效除尘技术的发展提出了更高的要求。关键词:环境保护;全球化;空气;除尘
Dust removal equipment development Abstract: the problems of environmental protection has e a hot topic of attention, the tide of economic globalization and the global environment problem calls for increasingly close relations between environment and trade, the international
organization has established a series of technical standards to protect the environment. How to prevention and control of atmospheric pollution, clean air environment is also people constantly research topic. Especially in our country is the main energy of coal, coal process will produce a large amount of coal dust, seriously pollutes the atmospheric environment. The fine coal dust in the air, especially a diameter of 215 to 6 microns of fly ash has great harm to human body health. It will not only in the lungs deposition, can also directly into the blood stream to each part of the human body. Particle surface are also attach to all kinds of toxic substances