IEEE-IAS/PCA 2001 Cement Industry Technical Conference. Conference Record (Cat. No.01CH37150)最新文献

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Maintenance and production improvements with ASDs asd的维护和生产改进
R. Dolores A, M.F. Moran L
{"title":"Maintenance and production improvements with ASDs","authors":"R. Dolores A, M.F. Moran L","doi":"10.1109/CITCON.2001.934101","DOIUrl":"https://doi.org/10.1109/CITCON.2001.934101","url":null,"abstract":"The cement plant La Cruz Azul SCL is located in the center of Mexico, about 70 km north of Mexico City. The management of Cruz Azul established objectives in all its departments to reduce production costs. The optimization department and the management agreed to give major support to the projects, and the heads of departments committed themselves to develop new ideas to lower the production costs of the different processes by using the latest technology (if necessary) available on the market. The experience of the authors' department of optimization suggested focusing on new fans as a relevant area. These fans are widely used during various steps of the process, and the possibility to analyze this would mean a change of the flow from these dampers to variable speed drives. The large capacity fans have two medium voltage motors and with dampers to lower the flow capacity of the fans to a range of 60-80%. The fast advancing new technology of variable speed drives of medium and low voltage, where the equipment becomes more and more efficient and cheaper, contributes to the profitability of the projects to be carried out. Cruz Azul saw the opportunity to use two exhaust fans of 1000 HP in kiln 8. This paper shows the development of the projects, from the beginning of the analysis to the application.","PeriodicalId":412513,"journal":{"name":"IEEE-IAS/PCA 2001 Cement Industry Technical Conference. Conference Record (Cat. No.01CH37150)","volume":"4 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":"130704028","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: 6
Petroleum coke grinding with the vertical airswept pendulum mill 立式气扫摆磨粉碎石油焦
R. J. Schmidt
{"title":"Petroleum coke grinding with the vertical airswept pendulum mill","authors":"R. J. Schmidt","doi":"10.1109/CITCON.2001.934110","DOIUrl":"https://doi.org/10.1109/CITCON.2001.934110","url":null,"abstract":"The vertical pendulum mill has been used in the nonmetallic mineral industry for over one hundred years to grind natural minerals such as limestone, gypsum, barite and bentonite. Petroleum coke is ideally suited to be ground in this type of grinding mill. Before investigating this application, the author describes what this mill is, how it works, and what that makes it capable of grinding this wide array of minerals. The vertical pendulum mill gets its name from the fact that the grinding rolls are suspended from a horizontal plate that rotates about a central vertical shaft arrangement. Centrifugal force causes the journal to pivot at the attachment point to the horizontal plate. This action resembles the motion of a pendulum, hence the name vertical pendulum mill (in the industrial minerals field, this mill is also known as a roller mill). The grinding action of the pendulum is considered true rolling grinding because material is forced between a stationary ring and a rotating grinding roll.","PeriodicalId":412513,"journal":{"name":"IEEE-IAS/PCA 2001 Cement Industry Technical Conference. Conference Record (Cat. No.01CH37150)","volume":"58 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":"114450611","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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