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\"Precision Operation and Management in the New Dry Process for Cement Production\" Market price: ¥49 Author: Xie Keping Publisher: Chemical Industry Press Publication date: April 2007 【Content Summary】 The author of this book has many years of experience in technical and administrative work in cement enterprises, and possesses practical knowledge of the experiences and lessons gained throughout the development of China’s new dry process for cement production. This book draws on major domestic and international publications on cement published in recent years, and takes into account the current status of new dry-process cement production in China to propose ideas and specific approaches for efficient operation. Following the cement production process, this book focuses on the characteristics of the new dry-process cement production method, analyzing each operational element in detail. It offers opinions and suggestions regarding the rough practices and even misconceptions that are common in current operations and management. The materials cited in the text are provided for the readers’ reference, while the author’s views are intended to facilitate communication with them. This book aims to help corporate technicians consider how to achieve the goal of efficient operation, so that company leaders will not be satisfied with the current level and can provide technicians with the right requirements and support. 【Target Readers】 This book is suitable for technicians, operators, managers, etc. working in enterprises that produce cement using the new dry process. It can also be used as a reference for teachers and students in related fields at institutions of higher education. 【Table of Contents】 Introduction 0.1 Evaluation of the current operating status of the new dry process 0.2 Occurrence and elimination of abnormal operating conditions 0.3 Setting goals for optimal operation and accelerating its achievement Part I: Operational Techniques Chapter 1: Establishment of quality indicators for various processes 1.1 On the particle size of crushed materials 1.2 On the fineness of raw meal 1.3 On the decomposition rate of raw meal in the kiln 1.4 On free calcium oxide in clinker 1.5 On tricalcium silicate (C3S) in clinker 1.6 On sulfur trioxide (SO3) and alkalis (R2O) in clinker 1.7 On the visual quality of clinker 1.8 On the fineness and moisture content of coal powder 1.9 On the fineness of cement 1.10 On the target strength values for cement leaving the factory 1.11 Using standard deviation instead of pass rates to assess process quality Chapter 2: Determination of various operational parameters 2.1 Setting of total exhaust air parameters in the firing system 2.2 Selection of primary air volume at the kiln entrance 2.3 Selection of air for cooling in the high-temperature section of the grate cooler 2.4 Control of negative pressure at the kiln entrance 2.5 Control of the exit temperature of the primary preheater 2.6 Control of the temperature in the decomposition furnace 2.7 Control of the temperature at the kiln exit 2.8 Control of the firing temperature inside the kiln 2.9 Control of the temperature of secondary air 2.10 Control of the temperature of clinker exiting the grate cooler 2.11 Control of the temperature of exhaust gas entering the dust collectors at the kiln exit and entrance 2.12 Control and adjustment of kiln rotation speed 2.13 Control of the temperature of cement exiting the mill Chapter 3: Operational methods and techniques 3.1 Control of the overflow amount from the roller press 3.2 Determination of the position of burners (coal injection nozzles) 3.3 Feeding to the kiln and recirculation of raw meal in the raw meal storage 3.4 Methods for igniting and feeding material into the kiln 3.5 Evaluation of coal quality and use of anthracite 3.6 Principles for selecting steel balls for ball mills 3.7 Selection and use of conveying equipment 3.8 Use and determination of automatic control circuits 3.9 Assessment of the reliability of data from measuring instruments 3.10 Enhancing the role of testing in quality control 3.11 Improving the representativeness of samples taken 3.12 Use of air compressors and conservation of air usage 3.13 Determination of dust collection strategies and management thereof 3.14 Reducing NOx emissions 3.15 Laying and repairing refractory linings inside the kiln 3.16 Inventory management of raw materials, semi-finished products, and finished products Chapter 4: Troubleshooting in production and products 4.1 Prevention of ring formation inside the kiln 4.2 Prevention of blockages in preheaters 4.3 Causes and solutions for “snowman” and “candle” phenomena 4.4 Handling of large balls forming inside the kiln and large pieces of kiln lining falling off 4.5 Efforts to reduce air leakage in the system 4.6 Prevention of “false setting” and “flash setting” in cement 4.7 Driving the kiln and aligning the wheel belts and idlers 4.8 Prevention of fan vibration 4.9 Maintenance of large reducers 4.10 Causes of concrete cracking and their relationship with cement Chapter 5: Safe operations 5.1 Common causes of work-related accidents 5.2 Work-related accidents commonly occurring in the cement industry 5.3 Work-related accidents prone to occur in the new dry process Chapter 6: Methods for calibrating key process parameters 6.1 Measurement of wind speed and volume in the process system 6.2 Determination of homogenization values in homogenization facilities 6.3 Testing of mill sieve analysis curves and steel ball ratios 6.4 Calculation of mill load filling rate 6.5 Calculation of mill power 6.6 Calculation of the circulating load of the classifier and its characteristic curve 6.7 Analysis of cement particle size 6.8 Thermal balance of the firing system (based on 20°C) 6.9 Water volume required for spray cooling of exhaust gas at the kiln exit 6.10 Chimney draft force Part II: Technical Management Chapter 7: Processing of production data and results 7.1 Recording, organizing, and using production data 7.2 Relationship between instrument cumulative measurement and inventory tracking 7.3 Calculation of material consumption 7.4 Calculation of heat consumption 7.5 Establishment and implementation of evaluation indicators Chapter 8: Job roles and division of labor 8.1 Job roles in new dry process lines 8.2 Standards and responsibilities of inspection personnel 8.3 Professional technicians and equipment maintenance work 8.4 Dedicated lubrication staff Chapter 9: Operating procedures for new dry process lines 9.1 Requirements for compiling operating procedures 9.2 Operating procedures for central control operators 9.3 Operating procedures for inspection personnel 9.4 Operating procedures for troubleshooting Chapter 10: Basic tasks of technical management personnel 10.1 Several technical indicators for measuring a company’s management level 10.2 Management responsibilities of technical personnel in planning 10.3 Establishment of necessary systems for technical summaries and reports 10.4 Creation of technical management archives 10.5 Technical qualifications required of corporate technical personnel 10.6 Responsibilities of the chief engineer Chapter 11: Precise management in capital construction 11.1 Requirements for precise management in capital construction and ways to achieve it 11.2 Some suggestions for improving specific details in design work References ISBN: 978-7-5025-9868-6 Format: 16mo Pages: 364