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Modern Refractory Practice 1937 Second Edition HC Harrison Walker Refractories
Modern Refractory Practice 1937 Second Edition HC Harrison Walker Refractories
Hard Cover
Copyright 1937
Second Edition
295 Pages
By Harrison Walker Refractories Company
FOREWORD
I N 1865, Harbison-Walker Refractories Company, then known as Harbison-Walker Company, commenced operations with a single plant, located in the city of Pittsburgh, Pennsylvania. This original plant had a maximum capacity of only thirty-five thousand brick per day.
Today, Harbison-Walker Refractories Company is the world's largest producer of refractories. The company's facilities comprise mining and manufacturing operations in the states of Pennsylvania, Ohio, Kentucky, Indiana, Missouri, Alabama, Georgia and Wisconsin.
The output comprises Fireclay, High-Alumina, Silica, Magnesite, Chrome and Forsterite Brick, Insulating Brick, Insulating Refractory Brick, and Acid-Proof Brick, with additional tonnages of various Fire Clays and Silica Clays, Magnesite, Chrome, and High Temperature Bonding Mortars. The manufacturing plants are most advantageously located with respect to the transportation of both raw stock and finished products.
Deeply significant from the viewpoint of the user of refractories are the policies responsible for the growth of Harbison-Walker. From its inception, Harbison-Walker has sincerely endeavored to establish and maintain a constantly improving standard of quality. To this end the company has initiated many advances in the art and has availed itself of every improvement in production methods and machinery. By means of scientific research, refractory materials are developed or adapted to meet the changing demands of industry. All raw materials are carefully examined at the mines and again at the manufacturing plants. Brick are rigidly inspected throughout manufacture and before shipment. Raw materials and finished products are regularly tested at control laboratories. Constantly improved manufacturing methods have kept Harbison-Walker abreast of the ever increasing demands of industry. An extensive building program has made every plant a model manufacturing unit. Flexibility of operation is secured by the use of both periodic kilns and the more modern continuous tunnel kilns.
is assured by the long-established policy of acquiring extensive deposits of the best raw materials available, in every important field. These deposits are thoroughly investigated and prospected, and their quality is definitely established by accurate physical and chemical tests.
Service has been an important factor in the steady growth of Harbison-Walker. It takes many consumers to absorb the company's output. The same careful attention is given to the needs of every user of refractories, regardless of whether his requirements be large or small. To cope with the varied problems of the many industries utilizing refractories, Harbison-Walker maintains an Engineering Department, a thoroughly trained Technical Staff and Research Laboratories, which are at the service of all clients.
To summarize: extensive raw material deposits which insure uniformity of quality far into the future years, products of the highest quality, engineering and research assistance that is helpful in the selection of refractories to meet given conditions, equal service to all-these are the reasons for the steady growth of Harbison-Walker. They are, likewise, the basis on which the world's largest producer of refractories solicits your patronage.
HARBISON-WALKER REFRACTORIES COMPANY
FRONTISPIECEPage 8
FOREWORD9
FIRECLAY REFRACTORIES13
HIGH-ALUMINA REFRACTORIES35
SILICA REFRACTORIES41
MAGNESITE REFRACTORIES55
CHROME AND FORSTERITE REFRACTORIES63
SPECIAL CLAYS69
MORTAR MATERIALS AND RAMMING MIXTURES75
DURO ACID-PROOF BRICK AND TILE85
INSULATING MATERIALS91
EXPORT DEPARTMENT95
HWRCO PRODUCTS IN FURNACE CONSTRUCTION107
SELECTION AND USE OF REFRACTORIES155
HARBISON-WALKER RESEARCH183
REFRACTORIES AND THEIR PROPERTIES187
GLOSSARY213
MINERALS AND ROCKS218
GENERAL INFORMATION221
FORMULAS USEFUL IN CALCULATING BRICKWORK233
TABLES OF BRICK COMBINATIONS FOR CIRCLES259
TABLES OF BRICK COMBINATIONS FOR ARCHES276
INDEX287
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