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为协助国家做好引进技术设备的“消化”工作,全国基建系统暖通空调技术情报网于1979年10月至12月组织了“引进工程除尘设备调查”。参加这一工作的有14个单位的19位同志。他们分三组到十四个城市调查了三十多个工程及单项。这些设备来自东德、西德、瑞典、瑞士、丹麦、英国、法国、美国、日本等国家。通过调查对引进设备的结构、性能、优缺点、运行维护等方面的情况有了一个初步了解。经过比较,认为瑞士ELEX公司的电除尘器、西德生产的VK型布袋除尘器与IFS型环隙喷吹脉冲袋式除尘
In order to assist the country in the “digestion” of imported technical equipment, the National Infrastructure System HVAC Technical Information Network organized an “Investigation of Dust Removal Equipment for Imported Projects” from October to December 1979. There are 19 comrades in 14 units participating in this work. They surveyed more than 30 projects and single projects in three groups of 14 cities. These equipment come from East Germany, West Germany, Sweden, Switzerland, Denmark, Britain, France, the United States, Japan and other countries. Through the investigation, we have a preliminary understanding of the structure, performance, advantages and disadvantages, and operation and maintenance of imported equipment. After comparison, the electrostatic precipitator of the ELEX company in Switzerland, the VK bag filter produced by West Germany and the IFS ring gap jet bag-type dust collector were considered.