A Review of the Problem of Tank Blocks for Glass Melting Furnaces

JSGT 1933 V17 T169-T238

The Report is written under the following headings, which furnish a summary of its contents:  

I. Introduction. 

II. Raw Materials. 

III Grog. 

IV. Preparation of the Raw Mixture. 

V. Methods of Manufacture: (l) Hand moulding of plastic mixtures; (2) Hand moulding-ramming method; (3) Mechanical ramming or beating processes; (4) Machine pressing-semi-dry process; (5) Extrusion; (6) Casting from slip; and (7) Casting from electrically fused material (electro-casting). 

VI. Drying and Firing. 

VII. Faults in Blocks. 

VIII. Methods of Testing. 

IX. Experience Gained from Practice: (1) Influence of batch composition; (2) Influence of furnace design, especially of the tank (a) Cooling and insulation and (b) Block size and joints; and (3) Influence of tank block quality. 

X. A Suggested Technique for Testing Tank Blocks. 

XI. A Tentative Specification for Tank Blocks.

J. H. Partridge