
Chenkumbi Lime
Fuel-efficient high quality production
Published: 1992
Pages: 44
eBook: 9781780443973
Paperback: 9781853391446
The case for lime
1. Raw Materials, applications and production 4
Raw materials; Applications; Theory of calcination and factors
affecting kiln design and operation; Kiln technology and choice
2. Background 10
Project location and environment; Social and economic survey;
Mineral resources; Fuel resources; Market for lime;
Preliminary investigations
3. Traditional production 13
Production cycle and technology; Input/output; Quality; Fuel
consumption and efficiency; Project implementation strategy
4. Natural draught vertical shaft kiln 17
Quarrying; Kiln firing; Slaking; Screening, milling and
bagging; Input/output; Quality; Fuel consumption and
thermal efficiency
5. Experimental forced-air kiln—Chenkumbi 20
Forced air technology; Chenkumbi Hills—experimental forced
air system; Kiln operation; Results; Input/output; Product
quality; Fuel consumption and thermal efficiency
6. Balaka forced-air system 25
Quarrying; Kiln design: operation and performance, Kiln
charging; Kiln operation; Forced air unit; Kiln discharge;
Input/output; Quality; Fuel consumption and thermal
efficiency; Experimental hydrator, milling and classification
plant
APPENDIX 1 32
Uses of lime and lime hydrate
APPENDIX 2: 33
Experimental forced-draught kiln trials
TABLES 34
1. Forced draught experimentation results;
2. Fuel consumption and efficiency;
3. Comparative capital costs;
4. Comparative incomes statement;
5. Comparative economic analysis
References 39
John Spiropoulos
John Spiropoulos is a graduate in the fields of building science and project management. He was instrumental in the establishment of a small scale building materials and minerals development company in Kanye, Botswana and was responsible for the project investigation and implementation of several building materials production projects including a small limeworks and a fired clay brickworks.