Mechanical Conveyors: Selection and Operation

ISBN-13: 9781566764162 / Angielski / Twarda / 1996 / 485 str.

M. E. Fayed; Mohammed E. Fayed; Thomas S. Skocir

Opis

An introductory reference for engineering and industry students, and a reference manual for technologists, design and plant engineers, and operators of solids conveying systems in various industries. Emphasis is on solids characteristics and properties and how they affect conveyor selection and type

Spis treści

1. Introduction
General Comments o Conveying and Material Handling o The Material Handling Problem o Equipment Specifications o Standardizing Sources of Additional Information
2. Material Characterization and Analysis
General Comments o Representative Sampling o Sample Analysis o Physical Properties and Tests o Qualitative Properties o Material Classification o Coding
3. Belt Conveyors
Introduction o Layout o Basic Configuration o Important Material Characteristics o Material Properties o Affecting Conveyability o Components of a Standard Belt Conveyor o Design Belt o Training Belt Feeders o Belt Scales oSpecialty Systems
4. Screw Conveyors and Feeders
Introduction o Basic Configuration o Material Classifications o Material Properties Affecting o Conveyability Components of a Screw Conveyor o Hardfacing and Wear Resistance o Conveyor Design Inclined o Conveying Feeders o Flexible Screw Conveyors Screw o Unloaders and Loaders
5. Vibratory Conveyors
Introduction o Basic Configuration o Vibratory Feeders versus Conveyors o Material Processing o Material Properties Affecting Conveyability o Components of a Vibratory Conveyor o Modes of Operation o Capacity Spiral Elevators o Reciprocating Slat Conveyors
6. Chain-Type Conveyors
Introduction o Basic Configuration o Material Properties Affecting Conveyability o Components of a Chain Conveyor o Conveyor Design o Apron Conveyors oDrag Conveyors oPlain Chain Conveyors o Scraper and Flight Conveyors o En-Masse Conveyors o Tubular Drag Conveyor o Aero-Mechanical Conveyors o Serpentix
7. Bucket Elevators and Bucket Carriers
Introduction o Basic Configuration o Material Properties Affecting Conveyability o Types of Bucket Elevatorso Components of a Bucket Elevator o Design o Conveying High-Temperature Materials o Bucket Carriers
8. Motors and Drives
Introduction o Motors Speed o Reduction o Adjustable Speed Drives o Soft Starting Flexible Couplings and Shaft Alignment

Appendices
Units and Conversions o Organizations and Periodicals o Motor Terminology and Definitions o Material Characteristics
Index
Data Tables
More than 50 tables provides a wealth of useful reference data on mechanical conveyors and conveyable materials. Here is a small sampling of table captions: Flowability of Solids CEMA Material Classification Code Chart Conveyor Belt Grades and Services Recommended Maximum Belt Speed Screw Conveyor Sizes and Capacities Torsional Ratings and Groupings of Components Conveying Speeds and Bed Depths of Some Common Materials Characteristics of Various Chain-Type Conveyors Comparison of Solid-State Electrical Adjustable Speed Drives Material Characteristics and Design Factors (series of tables)
Illustrations
More than 180 photographs, diagrams and other schematics illustrate different types of mechanical conveyors, their design and function, and component parts. Here is a small sampling of these illustrations: Mechanical splices (for belts) Various drive arrangements for a belt conveyor Volumetric belt feeder and bin arrangement Typical screw conveyor setup Flared trough screw feeder with conveyor section Exploded view of a twin screw, volumetric feeder Typical vibratory conveyor arrangement Heavy-duty feeder with an electromagnetic drive Centrifugal discharge elevator and continuous discharge elevator Variable pitch sheave drives

O autorze

Thomas Skocir