1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076)最新文献_第2页

To improve the availability of grate coolers 提高炉排冷却器的可用性

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/CITCON.1997.599342

H. Meyer, A. Wolter

{"title":"To improve the availability of grate coolers","authors":"H. Meyer, A. Wolter","doi":"10.1109/CITCON.1997.599342","DOIUrl":"https://doi.org/10.1109/CITCON.1997.599342","url":null,"abstract":"Mechanical equipment, hydraulic components, its control as well as the process design, all play an important role in the reliability of the clinker cooling system. Only by optimizing all of them can the performance and the availability be optimized. In addition to new design features like the anti-riddling side plates or the aerated beams it is shown that a new solution for the cooler inlet section, called the cross motion grate (CMG), is applied. The aim is to widen-up the grate at increased throughput capacities of up to 15000 t clinker/day and to equalize the clinker distribution actively instead of randomly as in the case of fixed inlet grates. The CMG design reduces the frequency of strokes and the wear rate respectively. Furthermore more attention has to be paid to the movement characteristics generated by the hydraulic drive. Any sharp and discontinuous motion has to be eliminated for reducing the mechanical stress in all components and avoiding the wear-intensive slipping of clinker as far as possible. In the 'competition' of thermal efficiency, power consumption and availability the latter seems to be the most attractive one in the long term, because it combines low maintenance costs with steady product quality and attractive return on investment.","PeriodicalId":443254,"journal":{"name":"1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076)","volume":"2422 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130784631","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: 2

The air-swept ring roller mill for clinker grinding 用于熟料研磨的气扫环辊磨

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/CITCON.1997.599284

J. Folsberg

引用次数: 11

New developments in precalciners and preheaters 分解炉和预热器的新发展

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/CITCON.1997.599349

B. Klotz

{"title":"New developments in precalciners and preheaters","authors":"B. Klotz","doi":"10.1109/CITCON.1997.599349","DOIUrl":"https://doi.org/10.1109/CITCON.1997.599349","url":null,"abstract":"The evolving design of the preheater in a modern cement plant has changed very little. Some of the design details, such as low pressure drop cyclones and designs with an eye toward easier and less maintenance are among some of the more significant changes. The preheater must achieve a transfer of heat from the pyroprocessing system exhaust gases to the incoming raw meal in preparation for the energy intensive decarbonation process to occur in the calciner. However, the optimum design is a series of compromises that attempts to balance a lower preheater tower pressure drop (fan electric power) with cyclone collection efficiency (fuel consumption) and cyclone vessel volume (capital cost). Today's preheater cyclones normally are dimensioned smaller, equipped with larger gas inlets and outlets for decreased pressure drop, and don't necessarily yield the highest possible particulate collection efficiency when compared to a decade ago. As a result, the volume occupied in the preheater tower is significantly less for a given capacity resulting in a smaller tower structure to house and support these vessels. With the dynamic environmental regulations constantly becoming more and more strict, equipment suppliers must develop combustion methods to keep pace with the newly imposed limits. Multi-staged combustion, at least for now, offers a relatively low cost approach to meeting the accepted emission levels.","PeriodicalId":443254,"journal":{"name":"1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134046420","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: 13

Industrial applications and results of low NO/sub x/ precalciner systems [cement industry] 低NO/sub - x/预分解系统的工业应用和成果[水泥工业]

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/CITCON.1997.599362

G. Conroy

引用次数: 0

Refractory management using fact-based analysis for the cement kiln 基于事实分析的水泥窑耐火材料管理

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/CITCON.1997.599374

D. Stepien, D. Funk, I. M. Brown

{"title":"Refractory management using fact-based analysis for the cement kiln","authors":"D. Stepien, D. Funk, I. M. Brown","doi":"10.1109/CITCON.1997.599374","DOIUrl":"https://doi.org/10.1109/CITCON.1997.599374","url":null,"abstract":"Variation is present in all manufacturing processes and \"control\" is not a natural state. In fact, a lack of variation in a process which indicates \"perfect\" control, should make one suspicious. Using control charts will keep a process operating within specified limits most of the time and, more importantly, control charting can both alert an operator when a process goes out of control and suggest how to bring it back. Learning about a process never stops manufacturing is a grand experiment that goes on each and every day. A proactive approach to one's manufacturing process is vital if companies wish to gain process knowledge. Shewhart control charts, for example, have been in use since the 1950s, but going beyond this basic level of knowledge has been troublesome due to the excessive number of statistical calculations required. The onset of the information age and the geometric growth in the amount of data generated by online controllers had, until recently, complicated efforts to make more than a basic use of data. Here, the authors describe a new process analysis package which can enable management to come to grips with this problem and gain insight into its manufacturing processes.","PeriodicalId":443254,"journal":{"name":"1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128304694","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

Sensorless approach to on-line motor diagnostics 无传感器在线电机诊断方法

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/CITCON.1997.599277

G. Kliman, J.G. Mazereeuw, S. Patel

引用次数: 6

Taking full advantage of utility deregulation 充分利用公用事业放松管制的优势

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/2943.667910

P. Cunningham

引用次数: 1

New generation of low NO/sub x/ calciners 新一代低NO/sub x/煅烧炉

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/CITCON.1997.599357

O. L. Jepsen, S. W. Miller

引用次数: 0

Commitment to the fully-automated cement laboratory concept: a cement industry trend whose time has come 致力于全自动水泥实验室概念:水泥行业的发展趋势已经到来

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/CITCON.1997.599414

X. Dupont-Wavrin, M. C. Mound

{"title":"Commitment to the fully-automated cement laboratory concept: a cement industry trend whose time has come","authors":"X. Dupont-Wavrin, M. C. Mound","doi":"10.1109/CITCON.1997.599414","DOIUrl":"https://doi.org/10.1109/CITCON.1997.599414","url":null,"abstract":"In the modern cement plant, there is the challenge to balance production efficiency and quality to meet internal and international requirements for standards. Focus is concentrated on the process, rather than the individual job units. Defined in this way, a process is a sequence of activities which provide value and quality to meet production goals. At most innovative companies, the drive to achieve this balance relies on state-of-the-art technology and maintaining a level of quality consistency from plant to plant. Productivity, which is the underpinning of consistent process operations, is effectively maximized by means of automation. A potentially complicating factor in meeting this objective is that there is usually a combination of existing, relatively new plants and a number of older plant operations which are in various stages of upgrading. The level of sophistication of equipment and integration of several generations of technology represents a rather formidable obstacle to achieving the objective of consistency of integration and production quality control. Nowhere is this more important than in the area of automation of the cement plant production laboratory.","PeriodicalId":443254,"journal":{"name":"1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123587298","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: 4

Performance evaluation of an on-line PGNAA cross-belt analyzer [cement plant monitoring] 在线PGNAA交叉带分析仪的性能评价[水泥厂监测]

1997 IEEE/PCA Cement Industry Technical Conference. XXXIX Conference Record (Cat. No.97CH36076) Pub Date : 1997-04-20 DOI: 10.1109/CITCON.1997.599413

S. Regis

引用次数: 6