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30th IEEE Cement Industry Technical Conference最新文献

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Laboratory automation in a cement plant: system configuration and operating results 水泥厂实验室自动化:系统配置和运行结果
30th IEEE Cement Industry Technical Conference Pub Date : 1900-01-01 DOI: 10.1109/CITCON.1988.13250
S. Sheth, P. Brady
{"title":"Laboratory automation in a cement plant: system configuration and operating results","authors":"S. Sheth, P. Brady","doi":"10.1109/CITCON.1988.13250","DOIUrl":"https://doi.org/10.1109/CITCON.1988.13250","url":null,"abstract":"The application of automation to raw meal sampling and analysis for online control of the raw mix composition in the blending silo of a cement plant is discussed. X-ray fluorescence spectroscopy makes feasible the automation of the sampling and analysis routine in the laboratory. The necessary frequency of sampling can readily by achieved and the consistency of samples for analysis maintained. Operating results are reviewed in connection with the POLAB laboratory automation system at the Santa Cruz plant of RMC-Lone Star, which uses this technique.<<ETX>>","PeriodicalId":118848,"journal":{"name":"30th IEEE Cement Industry Technical Conference","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123596424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reclassification of askarel transformers-field application and results askarel变压器的重新分类——现场应用与结果
30th IEEE Cement Industry Technical Conference Pub Date : 1900-01-01 DOI: 10.1109/CITCON.1988.13237
M. D. McMahon, B. Rian
{"title":"Reclassification of askarel transformers-field application and results","authors":"M. D. McMahon, B. Rian","doi":"10.1109/CITCON.1988.13237","DOIUrl":"https://doi.org/10.1109/CITCON.1988.13237","url":null,"abstract":"Several field-proven processes are now available by which pure askarel (PCB) transformers may be reconditioned with guaranteed reclassification to non-PCB status of less than 50 p.p.m. One such proprietary procedure, introduced by Westinghouse, by which more than 60 commercially owned transformers have been reclassified at very low PCB levels following a few months of processing and 90 days of in-service waiting period, is discussed. The process, the extensive test program, and actual case history results are discussed.<<ETX>>","PeriodicalId":118848,"journal":{"name":"30th IEEE Cement Industry Technical Conference","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129636244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Hydraulic drives for clinker cooler roller breakers 用于熟料冷却辊破碎机的液压传动
30th IEEE Cement Industry Technical Conference Pub Date : 1900-01-01 DOI: 10.1109/CITCON.1988.13239
G. Koeberer
{"title":"Hydraulic drives for clinker cooler roller breakers","authors":"G. Koeberer","doi":"10.1109/CITCON.1988.13239","DOIUrl":"https://doi.org/10.1109/CITCON.1988.13239","url":null,"abstract":"The author considers the design of a roller breaker equipped with a hydraulic drive for the purpose of improving the operating reliability of the clinker crushing and grate cooler system in cement factories. In contrast to the electric drive, the hydraulic drive offers essential advantages for a crushing process using slow-rotation rollers, including the flexibility to adapt to higher speeds. In addition to the particular drive characteristics, a number of improvements in process technology and economy are achieved, proving the roller breaker's superiority over the conventional hammer crusher. All of these features were implemented with the aim of increasing the reliability of cooler/breaker operation, that is, minimizing kiln stops caused by this area.<<ETX>>","PeriodicalId":118848,"journal":{"name":"30th IEEE Cement Industry Technical Conference","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125543450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Instrumentation, control and electrical systems strategy for a new US cement plant 美国新建水泥厂的仪表、控制和电气系统策略
30th IEEE Cement Industry Technical Conference Pub Date : 1900-01-01 DOI: 10.1109/CITCON.1988.13249
J. Kemmerer
{"title":"Instrumentation, control and electrical systems strategy for a new US cement plant","authors":"J. Kemmerer","doi":"10.1109/CITCON.1988.13249","DOIUrl":"https://doi.org/10.1109/CITCON.1988.13249","url":null,"abstract":"Many factors must be considered to accomplish a low-cost strategy; site selection, process selection, and equipment selection are a few of the major factors. After these selections are made, the design of the instrumentation and control systems provide a major area of opportunity. The author provides an overview of these systems. The plant of interest is a 1-million-ton-/yr dry process plant consisting of a four-stage precalciner preheater feeding a 14'6\" kiln, and an eight-compartment ventless grate cooler. Issues discussed are process control, process design and control systems, and operator interface. It is concluded that the resulting plant is a low-cost facility with impressive credentials, e.g. heat consumption at 8% below guarantee and power consumption at 95 kW/ST.<<ETX>>","PeriodicalId":118848,"journal":{"name":"30th IEEE Cement Industry Technical Conference","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132395111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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