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1985年9月27日,由华北石油管理局技术发展部主持的粘土陶粒烧胀机理、生产工艺及产品鉴定会在油建一公司召开。石油部施工技术研究所及北京建材科学研究所专家到会参加了评审鉴定工作。华北石油管理局油建一公司科研设计人员自1980年着手任丘劣质粘土烧胀机理研究和陶粒厂设计工作。1982～1983年施工建成年产量15000～30000m~3的陶粒厂,1984～1985年调试,已试产25000m~3优质陶粒。试产陶粒产品性能指标: 松散容重610～700kg/m~3 筒压强度392～588Pa(40～70kg/m~2) 该产品经北京建材科学研究所检验,性能
On September 27, 1985, the mechanism, production technology, and product appraisal of the clay ceramsite hosted by the Technical Development Department of the North China Petroleum Administration Bureau were held at the Oil Construction Company. Experts from the Ministry of Petroleum Construction Technology and Beijing Institute of Building Materials Science attended the assessment and appraisal. The scientific research and design personnel of the oil construction company of the North China Petroleum Administration Bureau has been working on the mechanism of sintering and swelling of the inferior clay in Renqiu since 1980 and the design of the ceramic factory. From 1982 to 1983, a ceramic factory with an annual output of 15,000 to 30000 m 3 was built and commissioned from 1984 to 1985. It has already produced 25,000 m 3 quality ceramics. Experimental production of ceramic products performance indicators: Bulk density 610 ~ 700kg/m ~ 3 Barrel compression strength 392 ~ 588Pa (40 ~ 70kg/m ~ 2) The product was tested by the Beijing Institute of Building Materials, performance